[SCSI] qla2xxx: Add ISP82XX support.
Enhanced the driver to support new FCoE host bus adapter.
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
diff --git a/drivers/scsi/qla2xxx/qla_nx.c b/drivers/scsi/qla2xxx/qla_nx.c
new file mode 100644
index 0000000..495ff1a
--- /dev/null
+++ b/drivers/scsi/qla2xxx/qla_nx.c
@@ -0,0 +1,3635 @@
+/*
+ * QLogic Fibre Channel HBA Driver
+ * Copyright (c) 2003-2008 QLogic Corporation
+ *
+ * See LICENSE.qla2xxx for copyright and licensing details.
+ */
+#include "qla_def.h"
+#include <linux/delay.h>
+#include <linux/pci.h>
+
+#define MASK(n) ((1ULL<<(n))-1)
+#define MN_WIN(addr) (((addr & 0x1fc0000) >> 1) | \
+ ((addr >> 25) & 0x3ff))
+#define OCM_WIN(addr) (((addr & 0x1ff0000) >> 1) | \
+ ((addr >> 25) & 0x3ff))
+#define MS_WIN(addr) (addr & 0x0ffc0000)
+#define QLA82XX_PCI_MN_2M (0)
+#define QLA82XX_PCI_MS_2M (0x80000)
+#define QLA82XX_PCI_OCM0_2M (0xc0000)
+#define VALID_OCM_ADDR(addr) (((addr) & 0x3f800) != 0x3f800)
+#define GET_MEM_OFFS_2M(addr) (addr & MASK(18))
+
+/* CRB window related */
+#define CRB_BLK(off) ((off >> 20) & 0x3f)
+#define CRB_SUBBLK(off) ((off >> 16) & 0xf)
+#define CRB_WINDOW_2M (0x130060)
+#define QLA82XX_PCI_CAMQM_2M_END (0x04800800UL)
+#define CRB_HI(off) ((qla82xx_crb_hub_agt[CRB_BLK(off)] << 20) | \
+ ((off) & 0xf0000))
+#define QLA82XX_PCI_CAMQM_2M_BASE (0x000ff800UL)
+#define CRB_INDIRECT_2M (0x1e0000UL)
+
+static inline void *qla82xx_pci_base_offsetfset(struct qla_hw_data *ha,
+ unsigned long off)
+{
+ if ((off < ha->first_page_group_end) &&
+ (off >= ha->first_page_group_start))
+ return (void *)(ha->nx_pcibase + off);
+
+ return NULL;
+}
+
+#define MAX_CRB_XFORM 60
+static unsigned long crb_addr_xform[MAX_CRB_XFORM];
+int qla82xx_crb_table_initialized;
+
+#define qla82xx_crb_addr_transform(name) \
+ (crb_addr_xform[QLA82XX_HW_PX_MAP_CRB_##name] = \
+ QLA82XX_HW_CRB_HUB_AGT_ADR_##name << 20)
+
+static void qla82xx_crb_addr_transform_setup(void)
+{
+ qla82xx_crb_addr_transform(XDMA);
+ qla82xx_crb_addr_transform(TIMR);
+ qla82xx_crb_addr_transform(SRE);
+ qla82xx_crb_addr_transform(SQN3);
+ qla82xx_crb_addr_transform(SQN2);
+ qla82xx_crb_addr_transform(SQN1);
+ qla82xx_crb_addr_transform(SQN0);
+ qla82xx_crb_addr_transform(SQS3);
+ qla82xx_crb_addr_transform(SQS2);
+ qla82xx_crb_addr_transform(SQS1);
+ qla82xx_crb_addr_transform(SQS0);
+ qla82xx_crb_addr_transform(RPMX7);
+ qla82xx_crb_addr_transform(RPMX6);
+ qla82xx_crb_addr_transform(RPMX5);
+ qla82xx_crb_addr_transform(RPMX4);
+ qla82xx_crb_addr_transform(RPMX3);
+ qla82xx_crb_addr_transform(RPMX2);
+ qla82xx_crb_addr_transform(RPMX1);
+ qla82xx_crb_addr_transform(RPMX0);
+ qla82xx_crb_addr_transform(ROMUSB);
+ qla82xx_crb_addr_transform(SN);
+ qla82xx_crb_addr_transform(QMN);
+ qla82xx_crb_addr_transform(QMS);
+ qla82xx_crb_addr_transform(PGNI);
+ qla82xx_crb_addr_transform(PGND);
+ qla82xx_crb_addr_transform(PGN3);
+ qla82xx_crb_addr_transform(PGN2);
+ qla82xx_crb_addr_transform(PGN1);
+ qla82xx_crb_addr_transform(PGN0);
+ qla82xx_crb_addr_transform(PGSI);
+ qla82xx_crb_addr_transform(PGSD);
+ qla82xx_crb_addr_transform(PGS3);
+ qla82xx_crb_addr_transform(PGS2);
+ qla82xx_crb_addr_transform(PGS1);
+ qla82xx_crb_addr_transform(PGS0);
+ qla82xx_crb_addr_transform(PS);
+ qla82xx_crb_addr_transform(PH);
+ qla82xx_crb_addr_transform(NIU);
+ qla82xx_crb_addr_transform(I2Q);
+ qla82xx_crb_addr_transform(EG);
+ qla82xx_crb_addr_transform(MN);
+ qla82xx_crb_addr_transform(MS);
+ qla82xx_crb_addr_transform(CAS2);
+ qla82xx_crb_addr_transform(CAS1);
+ qla82xx_crb_addr_transform(CAS0);
+ qla82xx_crb_addr_transform(CAM);
+ qla82xx_crb_addr_transform(C2C1);
+ qla82xx_crb_addr_transform(C2C0);
+ qla82xx_crb_addr_transform(SMB);
+ qla82xx_crb_addr_transform(OCM0);
+ /*
+ * Used only in P3 just define it for P2 also.
+ */
+ qla82xx_crb_addr_transform(I2C0);
+
+ qla82xx_crb_table_initialized = 1;
+}
+
+struct crb_128M_2M_block_map crb_128M_2M_map[64] = {
+ {{{0, 0, 0, 0} } },
+ {{{1, 0x0100000, 0x0102000, 0x120000},
+ {1, 0x0110000, 0x0120000, 0x130000},
+ {1, 0x0120000, 0x0122000, 0x124000},
+ {1, 0x0130000, 0x0132000, 0x126000},
+ {1, 0x0140000, 0x0142000, 0x128000},
+ {1, 0x0150000, 0x0152000, 0x12a000},
+ {1, 0x0160000, 0x0170000, 0x110000},
+ {1, 0x0170000, 0x0172000, 0x12e000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {1, 0x01e0000, 0x01e0800, 0x122000},
+ {0, 0x0000000, 0x0000000, 0x000000} } } ,
+ {{{1, 0x0200000, 0x0210000, 0x180000} } },
+ {{{0, 0, 0, 0} } },
+ {{{1, 0x0400000, 0x0401000, 0x169000} } },
+ {{{1, 0x0500000, 0x0510000, 0x140000} } },
+ {{{1, 0x0600000, 0x0610000, 0x1c0000} } },
+ {{{1, 0x0700000, 0x0704000, 0x1b8000} } },
+ {{{1, 0x0800000, 0x0802000, 0x170000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {1, 0x08f0000, 0x08f2000, 0x172000} } },
+ {{{1, 0x0900000, 0x0902000, 0x174000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {1, 0x09f0000, 0x09f2000, 0x176000} } },
+ {{{0, 0x0a00000, 0x0a02000, 0x178000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {1, 0x0af0000, 0x0af2000, 0x17a000} } },
+ {{{0, 0x0b00000, 0x0b02000, 0x17c000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {1, 0x0bf0000, 0x0bf2000, 0x17e000} } },
+ {{{1, 0x0c00000, 0x0c04000, 0x1d4000} } },
+ {{{1, 0x0d00000, 0x0d04000, 0x1a4000} } },
+ {{{1, 0x0e00000, 0x0e04000, 0x1a0000} } },
+ {{{1, 0x0f00000, 0x0f01000, 0x164000} } },
+ {{{0, 0x1000000, 0x1004000, 0x1a8000} } },
+ {{{1, 0x1100000, 0x1101000, 0x160000} } },
+ {{{1, 0x1200000, 0x1201000, 0x161000} } },
+ {{{1, 0x1300000, 0x1301000, 0x162000} } },
+ {{{1, 0x1400000, 0x1401000, 0x163000} } },
+ {{{1, 0x1500000, 0x1501000, 0x165000} } },
+ {{{1, 0x1600000, 0x1601000, 0x166000} } },
+ {{{0, 0, 0, 0} } },
+ {{{0, 0, 0, 0} } },
+ {{{0, 0, 0, 0} } },
+ {{{0, 0, 0, 0} } },
+ {{{0, 0, 0, 0} } },
+ {{{0, 0, 0, 0} } },
+ {{{1, 0x1d00000, 0x1d10000, 0x190000} } },
+ {{{1, 0x1e00000, 0x1e01000, 0x16a000} } },
+ {{{1, 0x1f00000, 0x1f10000, 0x150000} } },
+ {{{0} } },
+ {{{1, 0x2100000, 0x2102000, 0x120000},
+ {1, 0x2110000, 0x2120000, 0x130000},
+ {1, 0x2120000, 0x2122000, 0x124000},
+ {1, 0x2130000, 0x2132000, 0x126000},
+ {1, 0x2140000, 0x2142000, 0x128000},
+ {1, 0x2150000, 0x2152000, 0x12a000},
+ {1, 0x2160000, 0x2170000, 0x110000},
+ {1, 0x2170000, 0x2172000, 0x12e000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000},
+ {0, 0x0000000, 0x0000000, 0x000000} } },
+ {{{1, 0x2200000, 0x2204000, 0x1b0000} } },
+ {{{0} } },
+ {{{0} } },
+ {{{0} } },
+ {{{0} } },
+ {{{0} } },
+ {{{1, 0x2800000, 0x2804000, 0x1a4000} } },
+ {{{1, 0x2900000, 0x2901000, 0x16b000} } },
+ {{{1, 0x2a00000, 0x2a00400, 0x1ac400} } },
+ {{{1, 0x2b00000, 0x2b00400, 0x1ac800} } },
+ {{{1, 0x2c00000, 0x2c00400, 0x1acc00} } },
+ {{{1, 0x2d00000, 0x2d00400, 0x1ad000} } },
+ {{{1, 0x2e00000, 0x2e00400, 0x1ad400} } },
+ {{{1, 0x2f00000, 0x2f00400, 0x1ad800} } },
+ {{{1, 0x3000000, 0x3000400, 0x1adc00} } },
+ {{{0, 0x3100000, 0x3104000, 0x1a8000} } },
+ {{{1, 0x3200000, 0x3204000, 0x1d4000} } },
+ {{{1, 0x3300000, 0x3304000, 0x1a0000} } },
+ {{{0} } },
+ {{{1, 0x3500000, 0x3500400, 0x1ac000} } },
+ {{{1, 0x3600000, 0x3600400, 0x1ae000} } },
+ {{{1, 0x3700000, 0x3700400, 0x1ae400} } },
+ {{{1, 0x3800000, 0x3804000, 0x1d0000} } },
+ {{{1, 0x3900000, 0x3904000, 0x1b4000} } },
+ {{{1, 0x3a00000, 0x3a04000, 0x1d8000} } },
+ {{{0} } },
+ {{{0} } },
+ {{{1, 0x3d00000, 0x3d04000, 0x1dc000} } },
+ {{{1, 0x3e00000, 0x3e01000, 0x167000} } },
+ {{{1, 0x3f00000, 0x3f01000, 0x168000} } }
+};
+
+/*
+ * top 12 bits of crb internal address (hub, agent)
+ */
+unsigned qla82xx_crb_hub_agt[64] = {
+ 0,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_PS,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_MN,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_MS,
+ 0,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_SRE,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_NIU,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_QMN,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_SQN0,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_SQN1,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_SQN2,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_SQN3,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_I2Q,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_TIMR,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_ROMUSB,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_PGN4,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_XDMA,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_PGN0,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_PGN1,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_PGN2,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_PGN3,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_PGND,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_PGNI,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_PGS0,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_PGS1,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_PGS2,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_PGS3,
+ 0,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_PGSI,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_SN,
+ 0,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_EG,
+ 0,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_PS,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_CAM,
+ 0,
+ 0,
+ 0,
+ 0,
+ 0,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_TIMR,
+ 0,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX1,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX2,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX3,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX4,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX5,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX6,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX7,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_XDMA,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_I2Q,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_ROMUSB,
+ 0,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX0,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX8,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_RPMX9,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_OCM0,
+ 0,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_SMB,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_I2C0,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_I2C1,
+ 0,
+ QLA82XX_HW_CRB_HUB_AGT_ADR_PGNC,
+ 0,
+};
+
+/*
+ * In: 'off' is offset from CRB space in 128M pci map
+ * Out: 'off' is 2M pci map addr
+ * side effect: lock crb window
+ */
+static void
+qla82xx_pci_set_crbwindow_2M(struct qla_hw_data *ha, ulong *off)
+{
+ u32 win_read;
+
+ ha->crb_win = CRB_HI(*off);
+ writel(ha->crb_win,
+ (void *)(CRB_WINDOW_2M + ha->nx_pcibase));
+
+ /* Read back value to make sure write has gone through before trying
+ * to use it.
+ */
+ win_read = RD_REG_DWORD((void *)(CRB_WINDOW_2M + ha->nx_pcibase));
+ if (win_read != ha->crb_win) {
+ DEBUG2(qla_printk(KERN_INFO, ha,
+ "%s: Written crbwin (0x%x) != Read crbwin (0x%x), "
+ "off=0x%lx\n", __func__, ha->crb_win, win_read, *off));
+ }
+ *off = (*off & MASK(16)) + CRB_INDIRECT_2M + ha->nx_pcibase;
+}
+
+static inline unsigned long
+qla82xx_pci_set_crbwindow(struct qla_hw_data *ha, u64 off)
+{
+ /* See if we are currently pointing to the region we want to use next */
+ if ((off >= QLA82XX_CRB_PCIX_HOST) && (off < QLA82XX_CRB_DDR_NET)) {
+ /* No need to change window. PCIX and PCIEregs are in both
+ * regs are in both windows.
+ */
+ return off;
+ }
+
+ if ((off >= QLA82XX_CRB_PCIX_HOST) && (off < QLA82XX_CRB_PCIX_HOST2)) {
+ /* We are in first CRB window */
+ if (ha->curr_window != 0)
+ WARN_ON(1);
+ return off;
+ }
+
+ if ((off > QLA82XX_CRB_PCIX_HOST2) && (off < QLA82XX_CRB_MAX)) {
+ /* We are in second CRB window */
+ off = off - QLA82XX_CRB_PCIX_HOST2 + QLA82XX_CRB_PCIX_HOST;
+
+ if (ha->curr_window != 1)
+ return off;
+
+ /* We are in the QM or direct access
+ * register region - do nothing
+ */
+ if ((off >= QLA82XX_PCI_DIRECT_CRB) &&
+ (off < QLA82XX_PCI_CAMQM_MAX))
+ return off;
+ }
+ /* strange address given */
+ qla_printk(KERN_WARNING, ha,
+ "%s: Warning: unm_nic_pci_set_crbwindow called with"
+ " an unknown address(%llx)\n", QLA2XXX_DRIVER_NAME, off);
+ return off;
+}
+
+int
+qla82xx_wr_32(struct qla_hw_data *ha, ulong off, u32 data)
+{
+ unsigned long flags = 0;
+ int rv;
+
+ rv = qla82xx_pci_get_crb_addr_2M(ha, &off);
+
+ BUG_ON(rv == -1);
+
+ if (rv == 1) {
+ write_lock_irqsave(&ha->hw_lock, flags);
+ qla82xx_crb_win_lock(ha);
+ qla82xx_pci_set_crbwindow_2M(ha, &off);
+ }
+
+ writel(data, (void __iomem *)off);
+
+ if (rv == 1) {
+ qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM7_UNLOCK));
+ write_unlock_irqrestore(&ha->hw_lock, flags);
+ }
+ return 0;
+}
+
+int
+qla82xx_rd_32(struct qla_hw_data *ha, ulong off)
+{
+ unsigned long flags = 0;
+ int rv;
+ u32 data;
+
+ rv = qla82xx_pci_get_crb_addr_2M(ha, &off);
+
+ BUG_ON(rv == -1);
+
+ if (rv == 1) {
+ write_lock_irqsave(&ha->hw_lock, flags);
+ qla82xx_crb_win_lock(ha);
+ qla82xx_pci_set_crbwindow_2M(ha, &off);
+ }
+ data = RD_REG_DWORD((void __iomem *)off);
+
+ if (rv == 1) {
+ qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM7_UNLOCK));
+ write_unlock_irqrestore(&ha->hw_lock, flags);
+ }
+ return data;
+}
+
+#define CRB_WIN_LOCK_TIMEOUT 100000000
+int qla82xx_crb_win_lock(struct qla_hw_data *ha)
+{
+ int done = 0, timeout = 0;
+
+ while (!done) {
+ /* acquire semaphore3 from PCI HW block */
+ done = qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM7_LOCK));
+ if (done == 1)
+ break;
+ if (timeout >= CRB_WIN_LOCK_TIMEOUT)
+ return -1;
+ timeout++;
+ }
+ qla82xx_wr_32(ha, QLA82XX_CRB_WIN_LOCK_ID, ha->portnum);
+ return 0;
+}
+
+#define IDC_LOCK_TIMEOUT 100000000
+int qla82xx_idc_lock(struct qla_hw_data *ha)
+{
+ int i;
+ int done = 0, timeout = 0;
+
+ while (!done) {
+ /* acquire semaphore5 from PCI HW block */
+ done = qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM5_LOCK));
+ if (done == 1)
+ break;
+ if (timeout >= IDC_LOCK_TIMEOUT)
+ return -1;
+
+ timeout++;
+
+ /* Yield CPU */
+ if (!in_interrupt())
+ schedule();
+ else {
+ for (i = 0; i < 20; i++)
+ cpu_relax();
+ }
+ }
+
+ return 0;
+}
+
+void qla82xx_idc_unlock(struct qla_hw_data *ha)
+{
+ qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM5_UNLOCK));
+}
+
+int
+qla82xx_pci_get_crb_addr_2M(struct qla_hw_data *ha, ulong *off)
+{
+ struct crb_128M_2M_sub_block_map *m;
+
+ if (*off >= QLA82XX_CRB_MAX)
+ return -1;
+
+ if (*off >= QLA82XX_PCI_CAMQM && (*off < QLA82XX_PCI_CAMQM_2M_END)) {
+ *off = (*off - QLA82XX_PCI_CAMQM) +
+ QLA82XX_PCI_CAMQM_2M_BASE + ha->nx_pcibase;
+ return 0;
+ }
+
+ if (*off < QLA82XX_PCI_CRBSPACE)
+ return -1;
+
+ *off -= QLA82XX_PCI_CRBSPACE;
+
+ /* Try direct map */
+ m = &crb_128M_2M_map[CRB_BLK(*off)].sub_block[CRB_SUBBLK(*off)];
+
+ if (m->valid && (m->start_128M <= *off) && (m->end_128M > *off)) {
+ *off = *off + m->start_2M - m->start_128M + ha->nx_pcibase;
+ return 0;
+ }
+ /* Not in direct map, use crb window */
+ return 1;
+}
+
+/* PCI Windowing for DDR regions. */
+#define QLA82XX_ADDR_IN_RANGE(addr, low, high) \
+ (((addr) <= (high)) && ((addr) >= (low)))
+/*
+ * check memory access boundary.
+ * used by test agent. support ddr access only for now
+ */
+static unsigned long
+qla82xx_pci_mem_bound_check(struct qla_hw_data *ha,
+ unsigned long long addr, int size)
+{
+ if (!QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_DDR_NET,
+ QLA82XX_ADDR_DDR_NET_MAX) ||
+ !QLA82XX_ADDR_IN_RANGE(addr + size - 1, QLA82XX_ADDR_DDR_NET,
+ QLA82XX_ADDR_DDR_NET_MAX) ||
+ ((size != 1) && (size != 2) && (size != 4) && (size != 8)))
+ return 0;
+ else
+ return 1;
+}
+
+int qla82xx_pci_set_window_warning_count;
+
+unsigned long
+qla82xx_pci_set_window(struct qla_hw_data *ha, unsigned long long addr)
+{
+ int window;
+ u32 win_read;
+
+ if (QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_DDR_NET,
+ QLA82XX_ADDR_DDR_NET_MAX)) {
+ /* DDR network side */
+ window = MN_WIN(addr);
+ ha->ddr_mn_window = window;
+ qla82xx_wr_32(ha,
+ ha->mn_win_crb | QLA82XX_PCI_CRBSPACE, window);
+ win_read = qla82xx_rd_32(ha,
+ ha->mn_win_crb | QLA82XX_PCI_CRBSPACE);
+ if ((win_read << 17) != window) {
+ qla_printk(KERN_WARNING, ha,
+ "%s: Written MNwin (0x%x) != Read MNwin (0x%x)\n",
+ __func__, window, win_read);
+ }
+ addr = GET_MEM_OFFS_2M(addr) + QLA82XX_PCI_DDR_NET;
+ } else if (QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_OCM0,
+ QLA82XX_ADDR_OCM0_MAX)) {
+ unsigned int temp1;
+ if ((addr & 0x00ff800) == 0xff800) {
+ qla_printk(KERN_WARNING, ha,
+ "%s: QM access not handled.\n", __func__);
+ addr = -1UL;
+ }
+ window = OCM_WIN(addr);
+ ha->ddr_mn_window = window;
+ qla82xx_wr_32(ha,
+ ha->mn_win_crb | QLA82XX_PCI_CRBSPACE, window);
+ win_read = qla82xx_rd_32(ha,
+ ha->mn_win_crb | QLA82XX_PCI_CRBSPACE);
+ temp1 = ((window & 0x1FF) << 7) |
+ ((window & 0x0FFFE0000) >> 17);
+ if (win_read != temp1) {
+ qla_printk(KERN_WARNING, ha,
+ "%s: Written OCMwin (0x%x) != Read OCMwin (0x%x)\n",
+ __func__, temp1, win_read);
+ }
+ addr = GET_MEM_OFFS_2M(addr) + QLA82XX_PCI_OCM0_2M;
+
+ } else if (QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_QDR_NET,
+ QLA82XX_P3_ADDR_QDR_NET_MAX)) {
+ /* QDR network side */
+ window = MS_WIN(addr);
+ ha->qdr_sn_window = window;
+ qla82xx_wr_32(ha,
+ ha->ms_win_crb | QLA82XX_PCI_CRBSPACE, window);
+ win_read = qla82xx_rd_32(ha,
+ ha->ms_win_crb | QLA82XX_PCI_CRBSPACE);
+ if (win_read != window) {
+ qla_printk(KERN_WARNING, ha,
+ "%s: Written MSwin (0x%x) != Read MSwin (0x%x)\n",
+ __func__, window, win_read);
+ }
+ addr = GET_MEM_OFFS_2M(addr) + QLA82XX_PCI_QDR_NET;
+ } else {
+ /*
+ * peg gdb frequently accesses memory that doesn't exist,
+ * this limits the chit chat so debugging isn't slowed down.
+ */
+ if ((qla82xx_pci_set_window_warning_count++ < 8) ||
+ (qla82xx_pci_set_window_warning_count%64 == 0)) {
+ qla_printk(KERN_WARNING, ha,
+ "%s: Warning:%s Unknown address range!\n", __func__,
+ QLA2XXX_DRIVER_NAME);
+ }
+ addr = -1UL;
+ }
+ return addr;
+}
+
+/* check if address is in the same windows as the previous access */
+static int qla82xx_pci_is_same_window(struct qla_hw_data *ha,
+ unsigned long long addr)
+{
+ int window;
+ unsigned long long qdr_max;
+
+ qdr_max = QLA82XX_P3_ADDR_QDR_NET_MAX;
+
+ /* DDR network side */
+ if (QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_DDR_NET,
+ QLA82XX_ADDR_DDR_NET_MAX))
+ BUG();
+ else if (QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_OCM0,
+ QLA82XX_ADDR_OCM0_MAX))
+ return 1;
+ else if (QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_OCM1,
+ QLA82XX_ADDR_OCM1_MAX))
+ return 1;
+ else if (QLA82XX_ADDR_IN_RANGE(addr, QLA82XX_ADDR_QDR_NET, qdr_max)) {
+ /* QDR network side */
+ window = ((addr - QLA82XX_ADDR_QDR_NET) >> 22) & 0x3f;
+ if (ha->qdr_sn_window == window)
+ return 1;
+ }
+ return 0;
+}
+
+static int qla82xx_pci_mem_read_direct(struct qla_hw_data *ha,
+ u64 off, void *data, int size)
+{
+ unsigned long flags;
+ void *addr;
+ int ret = 0;
+ u64 start;
+ uint8_t *mem_ptr = NULL;
+ unsigned long mem_base;
+ unsigned long mem_page;
+
+ write_lock_irqsave(&ha->hw_lock, flags);
+
+ /*
+ * If attempting to access unknown address or straddle hw windows,
+ * do not access.
+ */
+ start = qla82xx_pci_set_window(ha, off);
+ if ((start == -1UL) ||
+ (qla82xx_pci_is_same_window(ha, off + size - 1) == 0)) {
+ write_unlock_irqrestore(&ha->hw_lock, flags);
+ qla_printk(KERN_ERR, ha,
+ "%s out of bound pci memory access. "
+ "offset is 0x%llx\n", QLA2XXX_DRIVER_NAME, off);
+ return -1;
+ }
+
+ addr = qla82xx_pci_base_offsetfset(ha, start);
+ if (!addr) {
+ write_unlock_irqrestore(&ha->hw_lock, flags);
+ mem_base = pci_resource_start(ha->pdev, 0);
+ mem_page = start & PAGE_MASK;
+ /* Map two pages whenever user tries to access addresses in two
+ * consecutive pages.
+ */
+ if (mem_page != ((start + size - 1) & PAGE_MASK))
+ mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE * 2);
+ else
+ mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE);
+ if (mem_ptr == 0UL) {
+ *(u8 *)data = 0;
+ return -1;
+ }
+ addr = mem_ptr;
+ addr += start & (PAGE_SIZE - 1);
+ write_lock_irqsave(&ha->hw_lock, flags);
+ }
+
+ switch (size) {
+ case 1:
+ *(u8 *)data = readb(addr);
+ break;
+ case 2:
+ *(u16 *)data = readw(addr);
+ break;
+ case 4:
+ *(u32 *)data = readl(addr);
+ break;
+ case 8:
+ *(u64 *)data = readq(addr);
+ break;
+ default:
+ ret = -1;
+ break;
+ }
+ write_unlock_irqrestore(&ha->hw_lock, flags);
+
+ if (mem_ptr)
+ iounmap(mem_ptr);
+ return ret;
+}
+
+static int
+qla82xx_pci_mem_write_direct(struct qla_hw_data *ha,
+ u64 off, void *data, int size)
+{
+ unsigned long flags;
+ void *addr;
+ int ret = 0;
+ u64 start;
+ uint8_t *mem_ptr = NULL;
+ unsigned long mem_base;
+ unsigned long mem_page;
+
+ write_lock_irqsave(&ha->hw_lock, flags);
+
+ /*
+ * If attempting to access unknown address or straddle hw windows,
+ * do not access.
+ */
+ start = qla82xx_pci_set_window(ha, off);
+ if ((start == -1UL) ||
+ (qla82xx_pci_is_same_window(ha, off + size - 1) == 0)) {
+ write_unlock_irqrestore(&ha->hw_lock, flags);
+ qla_printk(KERN_ERR, ha,
+ "%s out of bound pci memory access. "
+ "offset is 0x%llx\n", QLA2XXX_DRIVER_NAME, off);
+ return -1;
+ }
+
+ addr = qla82xx_pci_base_offsetfset(ha, start);
+ if (!addr) {
+ write_unlock_irqrestore(&ha->hw_lock, flags);
+ mem_base = pci_resource_start(ha->pdev, 0);
+ mem_page = start & PAGE_MASK;
+ /* Map two pages whenever user tries to access addresses in two
+ * consecutive pages.
+ */
+ if (mem_page != ((start + size - 1) & PAGE_MASK))
+ mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE*2);
+ else
+ mem_ptr = ioremap(mem_base + mem_page, PAGE_SIZE);
+ if (mem_ptr == 0UL)
+ return -1;
+
+ addr = mem_ptr;
+ addr += start & (PAGE_SIZE - 1);
+ write_lock_irqsave(&ha->hw_lock, flags);
+ }
+
+ switch (size) {
+ case 1:
+ writeb(*(u8 *)data, addr);
+ break;
+ case 2:
+ writew(*(u16 *)data, addr);
+ break;
+ case 4:
+ writel(*(u32 *)data, addr);
+ break;
+ case 8:
+ writeq(*(u64 *)data, addr);
+ break;
+ default:
+ ret = -1;
+ break;
+ }
+ write_unlock_irqrestore(&ha->hw_lock, flags);
+ if (mem_ptr)
+ iounmap(mem_ptr);
+ return ret;
+}
+
+int
+qla82xx_wrmem(struct qla_hw_data *ha, u64 off, void *data, int size)
+{
+ int i, j, ret = 0, loop, sz[2], off0;
+ u32 temp;
+ u64 off8, mem_crb, tmpw, word[2] = {0, 0};
+#define MAX_CTL_CHECK 1000
+ /*
+ * If not MN, go check for MS or invalid.
+ */
+ if (off >= QLA82XX_ADDR_QDR_NET && off <= QLA82XX_P3_ADDR_QDR_NET_MAX) {
+ mem_crb = QLA82XX_CRB_QDR_NET;
+ } else {
+ mem_crb = QLA82XX_CRB_DDR_NET;
+ if (qla82xx_pci_mem_bound_check(ha, off, size) == 0)
+ return qla82xx_pci_mem_write_direct(ha, off,
+ data, size);
+ }
+
+ off8 = off & 0xfffffff8;
+ off0 = off & 0x7;
+ sz[0] = (size < (8 - off0)) ? size : (8 - off0);
+ sz[1] = size - sz[0];
+ loop = ((off0 + size - 1) >> 3) + 1;
+
+ if ((size != 8) || (off0 != 0)) {
+ for (i = 0; i < loop; i++) {
+ if (qla82xx_rdmem(ha, off8 + (i << 3), &word[i], 8))
+ return -1;
+ }
+ }
+
+ switch (size) {
+ case 1:
+ tmpw = *((u8 *)data);
+ break;
+ case 2:
+ tmpw = *((u16 *)data);
+ break;
+ case 4:
+ tmpw = *((u32 *)data);
+ break;
+ case 8:
+ default:
+ tmpw = *((u64 *)data);
+ break;
+ }
+
+ word[0] &= ~((~(~0ULL << (sz[0] * 8))) << (off0 * 8));
+ word[0] |= tmpw << (off0 * 8);
+
+ if (loop == 2) {
+ word[1] &= ~(~0ULL << (sz[1] * 8));
+ word[1] |= tmpw >> (sz[0] * 8);
+ }
+
+ for (i = 0; i < loop; i++) {
+ temp = off8 + (i << 3);
+ qla82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_ADDR_LO, temp);
+ temp = 0;
+ qla82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_ADDR_HI, temp);
+ temp = word[i] & 0xffffffff;
+ qla82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_WRDATA_LO, temp);
+ temp = (word[i] >> 32) & 0xffffffff;
+ qla82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_WRDATA_HI, temp);
+ temp = MIU_TA_CTL_ENABLE | MIU_TA_CTL_WRITE;
+ qla82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_CTRL, temp);
+ temp = MIU_TA_CTL_START | MIU_TA_CTL_ENABLE | MIU_TA_CTL_WRITE;
+ qla82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_CTRL, temp);
+
+ for (j = 0; j < MAX_CTL_CHECK; j++) {
+ temp = qla82xx_rd_32(ha, mem_crb + MIU_TEST_AGT_CTRL);
+ if ((temp & MIU_TA_CTL_BUSY) == 0)
+ break;
+ }
+
+ if (j >= MAX_CTL_CHECK) {
+ qla_printk(KERN_WARNING, ha,
+ "%s: Fail to write through agent\n",
+ QLA2XXX_DRIVER_NAME);
+ ret = -1;
+ break;
+ }
+ }
+ return ret;
+}
+
+int
+qla82xx_rdmem(struct qla_hw_data *ha, u64 off, void *data, int size)
+{
+ int i, j = 0, k, start, end, loop, sz[2], off0[2];
+ u32 temp;
+ u64 off8, val, mem_crb, word[2] = {0, 0};
+#define MAX_CTL_CHECK 1000
+
+ /*
+ * If not MN, go check for MS or invalid.
+ */
+ if (off >= QLA82XX_ADDR_QDR_NET && off <= QLA82XX_P3_ADDR_QDR_NET_MAX)
+ mem_crb = QLA82XX_CRB_QDR_NET;
+ else {
+ mem_crb = QLA82XX_CRB_DDR_NET;
+ if (qla82xx_pci_mem_bound_check(ha, off, size) == 0)
+ return qla82xx_pci_mem_read_direct(ha, off,
+ data, size);
+ }
+
+ off8 = off & 0xfffffff8;
+ off0[0] = off & 0x7;
+ off0[1] = 0;
+ sz[0] = (size < (8 - off0[0])) ? size : (8 - off0[0]);
+ sz[1] = size - sz[0];
+ loop = ((off0[0] + size - 1) >> 3) + 1;
+
+ for (i = 0; i < loop; i++) {
+ temp = off8 + (i << 3);
+ qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_ADDR_LO, temp);
+ temp = 0;
+ qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_ADDR_HI, temp);
+ temp = MIU_TA_CTL_ENABLE;
+ qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_CTRL, temp);
+ temp = MIU_TA_CTL_START | MIU_TA_CTL_ENABLE;
+ qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_CTRL, temp);
+
+ for (j = 0; j < MAX_CTL_CHECK; j++) {
+ temp = qla82xx_rd_32(ha, mem_crb + MIU_TEST_AGT_CTRL);
+ if ((temp & MIU_TA_CTL_BUSY) == 0)
+ break;
+ }
+
+ if (j >= MAX_CTL_CHECK) {
+ qla_printk(KERN_INFO, ha,
+ "%s: Fail to read through agent\n",
+ QLA2XXX_DRIVER_NAME);
+ break;
+ }
+
+ start = off0[i] >> 2;
+ end = (off0[i] + sz[i] - 1) >> 2;
+ for (k = start; k <= end; k++) {
+ temp = qla82xx_rd_32(ha,
+ mem_crb + MIU_TEST_AGT_RDDATA(k));
+ word[i] |= ((u64)temp << (32 * k));
+ }
+ }
+
+ if (j >= MAX_CTL_CHECK)
+ return -1;
+
+ if (sz[0] == 8) {
+ val = word[0];
+ } else {
+ val = ((word[0] >> (off0[0] * 8)) & (~(~0ULL << (sz[0] * 8)))) |
+ ((word[1] & (~(~0ULL << (sz[1] * 8)))) << (sz[0] * 8));
+ }
+
+ switch (size) {
+ case 1:
+ *(u8 *)data = val;
+ break;
+ case 2:
+ *(u16 *)data = val;
+ break;
+ case 4:
+ *(u32 *)data = val;
+ break;
+ case 8:
+ *(u64 *)data = val;
+ break;
+ }
+ return 0;
+}
+
+#define MTU_FUDGE_FACTOR 100
+unsigned long qla82xx_decode_crb_addr(unsigned long addr)
+{
+ int i;
+ unsigned long base_addr, offset, pci_base;
+
+ if (!qla82xx_crb_table_initialized)
+ qla82xx_crb_addr_transform_setup();
+
+ pci_base = ADDR_ERROR;
+ base_addr = addr & 0xfff00000;
+ offset = addr & 0x000fffff;
+
+ for (i = 0; i < MAX_CRB_XFORM; i++) {
+ if (crb_addr_xform[i] == base_addr) {
+ pci_base = i << 20;
+ break;
+ }
+ }
+ if (pci_base == ADDR_ERROR)
+ return pci_base;
+ return pci_base + offset;
+}
+
+static long rom_max_timeout = 100;
+static long qla82xx_rom_lock_timeout = 100;
+
+int
+qla82xx_rom_lock(struct qla_hw_data *ha)
+{
+ int done = 0, timeout = 0;
+
+ while (!done) {
+ /* acquire semaphore2 from PCI HW block */
+ done = qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM2_LOCK));
+ if (done == 1)
+ break;
+ if (timeout >= qla82xx_rom_lock_timeout)
+ return -1;
+ timeout++;
+ }
+ qla82xx_wr_32(ha, QLA82XX_ROM_LOCK_ID, ROM_LOCK_DRIVER);
+ return 0;
+}
+
+int
+qla82xx_wait_rom_busy(struct qla_hw_data *ha)
+{
+ long timeout = 0;
+ long done = 0 ;
+
+ while (done == 0) {
+ done = qla82xx_rd_32(ha, QLA82XX_ROMUSB_GLB_STATUS);
+ done &= 4;
+ timeout++;
+ if (timeout >= rom_max_timeout) {
+ DEBUG(qla_printk(KERN_INFO, ha,
+ "%s: Timeout reached waiting for rom busy",
+ QLA2XXX_DRIVER_NAME));
+ return -1;
+ }
+ }
+ return 0;
+}
+
+int
+qla82xx_wait_rom_done(struct qla_hw_data *ha)
+{
+ long timeout = 0;
+ long done = 0 ;
+
+ while (done == 0) {
+ done = qla82xx_rd_32(ha, QLA82XX_ROMUSB_GLB_STATUS);
+ done &= 2;
+ timeout++;
+ if (timeout >= rom_max_timeout) {
+ DEBUG(qla_printk(KERN_INFO, ha,
+ "%s: Timeout reached waiting for rom done",
+ QLA2XXX_DRIVER_NAME));
+ return -1;
+ }
+ }
+ return 0;
+}
+
+int
+qla82xx_do_rom_fast_read(struct qla_hw_data *ha, int addr, int *valp)
+{
+ qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ADDRESS, addr);
+ qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_DUMMY_BYTE_CNT, 0);
+ qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 3);
+ qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, 0xb);
+ qla82xx_wait_rom_busy(ha);
+ if (qla82xx_wait_rom_done(ha)) {
+ qla_printk(KERN_WARNING, ha,
+ "%s: Error waiting for rom done\n",
+ QLA2XXX_DRIVER_NAME);
+ return -1;
+ }
+ /* Reset abyte_cnt and dummy_byte_cnt */
+ qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_DUMMY_BYTE_CNT, 0);
+ udelay(10);
+ cond_resched();
+ qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 0);
+ *valp = qla82xx_rd_32(ha, QLA82XX_ROMUSB_ROM_RDATA);
+ return 0;
+}
+
+int
+qla82xx_rom_fast_read(struct qla_hw_data *ha, int addr, int *valp)
+{
+ int ret, loops = 0;
+
+ while ((qla82xx_rom_lock(ha) != 0) && (loops < 50000)) {
+ udelay(100);
+ schedule();
+ loops++;
+ }
+ if (loops >= 50000) {
+ qla_printk(KERN_INFO, ha,
+ "%s: qla82xx_rom_lock failed\n",
+ QLA2XXX_DRIVER_NAME);
+ return -1;
+ }
+ ret = qla82xx_do_rom_fast_read(ha, addr, valp);
+ qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM2_UNLOCK));
+ return ret;
+}
+
+int
+qla82xx_read_status_reg(struct qla_hw_data *ha, uint32_t *val)
+{
+ qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, M25P_INSTR_RDSR);
+ qla82xx_wait_rom_busy(ha);
+ if (qla82xx_wait_rom_done(ha)) {
+ qla_printk(KERN_WARNING, ha,
+ "Error waiting for rom done\n");
+ return -1;
+ }
+ *val = qla82xx_rd_32(ha, QLA82XX_ROMUSB_ROM_RDATA);
+ return 0;
+}
+
+int
+qla82xx_flash_wait_write_finish(struct qla_hw_data *ha)
+{
+ long timeout = 0;
+ uint32_t done = 1 ;
+ uint32_t val;
+ int ret = 0;
+
+ qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 0);
+ while ((done != 0) && (ret == 0)) {
+ ret = qla82xx_read_status_reg(ha, &val);
+ done = val & 1;
+ timeout++;
+ udelay(10);
+ cond_resched();
+ if (timeout >= 50000) {
+ qla_printk(KERN_WARNING, ha,
+ "Timeout reached waiting for write finish");
+ return -1;
+ }
+ }
+ return ret;
+}
+
+int
+qla82xx_flash_set_write_enable(struct qla_hw_data *ha)
+{
+ uint32_t val;
+ qla82xx_wait_rom_busy(ha);
+ qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 0);
+ qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, M25P_INSTR_WREN);
+ qla82xx_wait_rom_busy(ha);
+ if (qla82xx_wait_rom_done(ha))
+ return -1;
+ if (qla82xx_read_status_reg(ha, &val) != 0)
+ return -1;
+ if ((val & 2) != 2)
+ return -1;
+ return 0;
+}
+
+int
+qla82xx_write_status_reg(struct qla_hw_data *ha, uint32_t val)
+{
+ if (qla82xx_flash_set_write_enable(ha))
+ return -1;
+ qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_WDATA, val);
+ qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, 0x1);
+ if (qla82xx_wait_rom_done(ha)) {
+ qla_printk(KERN_WARNING, ha,
+ "Error waiting for rom done\n");
+ return -1;
+ }
+ return qla82xx_flash_wait_write_finish(ha);
+}
+
+int
+qla82xx_write_disable_flash(struct qla_hw_data *ha)
+{
+ qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, M25P_INSTR_WRDI);
+ if (qla82xx_wait_rom_done(ha)) {
+ qla_printk(KERN_WARNING, ha,
+ "Error waiting for rom done\n");
+ return -1;
+ }
+ return 0;
+}
+
+int
+ql82xx_rom_lock_d(struct qla_hw_data *ha)
+{
+ int loops = 0;
+ while ((qla82xx_rom_lock(ha) != 0) && (loops < 50000)) {
+ udelay(100);
+ cond_resched();
+ loops++;
+ }
+ if (loops >= 50000) {
+ qla_printk(KERN_WARNING, ha, "ROM lock failed\n");
+ return -1;
+ }
+ return 0;;
+}
+
+int
+qla82xx_write_flash_dword(struct qla_hw_data *ha, uint32_t flashaddr,
+ uint32_t data)
+{
+ int ret = 0;
+
+ ret = ql82xx_rom_lock_d(ha);
+ if (ret < 0) {
+ qla_printk(KERN_WARNING, ha, "ROM Lock failed\n");
+ return ret;
+ }
+
+ if (qla82xx_flash_set_write_enable(ha))
+ goto done_write;
+
+ qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_WDATA, data);
+ qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ADDRESS, flashaddr);
+ qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 3);
+ qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, M25P_INSTR_PP);
+ qla82xx_wait_rom_busy(ha);
+ if (qla82xx_wait_rom_done(ha)) {
+ qla_printk(KERN_WARNING, ha,
+ "Error waiting for rom done\n");
+ ret = -1;
+ goto done_write;
+ }
+
+ ret = qla82xx_flash_wait_write_finish(ha);
+
+done_write:
+ qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM2_UNLOCK));
+ return ret;
+}
+
+/* This routine does CRB initialize sequence
+ * to put the ISP into operational state
+ */
+int qla82xx_pinit_from_rom(scsi_qla_host_t *vha)
+{
+ int addr, val;
+ int i ;
+ struct crb_addr_pair *buf;
+ unsigned long off;
+ unsigned offset, n;
+ struct qla_hw_data *ha = vha->hw;
+
+ struct crb_addr_pair {
+ long addr;
+ long data;
+ };
+
+ /* Halt all the indiviual PEGs and other blocks of the ISP */
+ qla82xx_rom_lock(ha);
+ if (test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))
+ /* don't reset CAM block on reset */
+ qla82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0xfeffffff);
+ else
+ qla82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0xffffffff);
+ qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM2_UNLOCK));
+
+ /* Read the signature value from the flash.
+ * Offset 0: Contain signature (0xcafecafe)
+ * Offset 4: Offset and number of addr/value pairs
+ * that present in CRB initialize sequence
+ */
+ if (qla82xx_rom_fast_read(ha, 0, &n) != 0 || n != 0xcafecafeUL ||
+ qla82xx_rom_fast_read(ha, 4, &n) != 0) {
+ qla_printk(KERN_WARNING, ha,
+ "[ERROR] Reading crb_init area: n: %08x\n", n);
+ return -1;
+ }
+
+ /* Offset in flash = lower 16 bits
+ * Number of enteries = upper 16 bits
+ */
+ offset = n & 0xffffU;
+ n = (n >> 16) & 0xffffU;
+
+ /* number of addr/value pair should not exceed 1024 enteries */
+ if (n >= 1024) {
+ qla_printk(KERN_WARNING, ha,
+ "%s: %s:n=0x%x [ERROR] Card flash not initialized.\n",
+ QLA2XXX_DRIVER_NAME, __func__, n);
+ return -1;
+ }
+
+ qla_printk(KERN_INFO, ha,
+ "%s: %d CRB init values found in ROM.\n", QLA2XXX_DRIVER_NAME, n);
+
+ buf = kmalloc(n * sizeof(struct crb_addr_pair), GFP_KERNEL);
+ if (buf == NULL) {
+ qla_printk(KERN_WARNING, ha,
+ "%s: [ERROR] Unable to malloc memory.\n",
+ QLA2XXX_DRIVER_NAME);
+ return -1;
+ }
+
+ for (i = 0; i < n; i++) {
+ if (qla82xx_rom_fast_read(ha, 8*i + 4*offset, &val) != 0 ||
+ qla82xx_rom_fast_read(ha, 8*i + 4*offset + 4, &addr) != 0) {
+ kfree(buf);
+ return -1;
+ }
+
+ buf[i].addr = addr;
+ buf[i].data = val;
+ }
+
+ for (i = 0; i < n; i++) {
+ /* Translate internal CRB initialization
+ * address to PCI bus address
+ */
+ off = qla82xx_decode_crb_addr((unsigned long)buf[i].addr) +
+ QLA82XX_PCI_CRBSPACE;
+ /* Not all CRB addr/value pair to be written,
+ * some of them are skipped
+ */
+
+ /* skipping cold reboot MAGIC */
+ if (off == QLA82XX_CAM_RAM(0x1fc))
+ continue;
+
+ /* do not reset PCI */
+ if (off == (ROMUSB_GLB + 0xbc))
+ continue;
+
+ /* skip core clock, so that firmware can increase the clock */
+ if (off == (ROMUSB_GLB + 0xc8))
+ continue;
+
+ /* skip the function enable register */
+ if (off == QLA82XX_PCIE_REG(PCIE_SETUP_FUNCTION))
+ continue;
+
+ if (off == QLA82XX_PCIE_REG(PCIE_SETUP_FUNCTION2))
+ continue;
+
+ if ((off & 0x0ff00000) == QLA82XX_CRB_SMB)
+ continue;
+
+ if ((off & 0x0ff00000) == QLA82XX_CRB_DDR_NET)
+ continue;
+
+ if (off == ADDR_ERROR) {
+ qla_printk(KERN_WARNING, ha,
+ "%s: [ERROR] Unknown addr: 0x%08lx\n",
+ QLA2XXX_DRIVER_NAME, buf[i].addr);
+ continue;
+ }
+
+ if (off == (QLA82XX_CRB_PEG_NET_1 + 0x18)) {
+ if (!QLA82XX_IS_REVISION_P3PLUS(ha->chip_revision))
+ buf[i].data = 0x1020;
+ }
+
+ qla82xx_wr_32(ha, off, buf[i].data);
+
+ /* ISP requires much bigger delay to settle down,
+ * else crb_window returns 0xffffffff
+ */
+ if (off == QLA82XX_ROMUSB_GLB_SW_RESET)
+ msleep(1000);
+
+ /* ISP requires millisec delay between
+ * successive CRB register updation
+ */
+ msleep(1);
+ }
+
+ kfree(buf);
+
+ /* Resetting the data and instruction cache */
+ qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_D+0xec, 0x1e);
+ qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_D+0x4c, 8);
+ qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_I+0x4c, 8);
+
+ /* Clear all protocol processing engines */
+ qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_0+0x8, 0);
+ qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_0+0xc, 0);
+ qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_1+0x8, 0);
+ qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_1+0xc, 0);
+ qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_2+0x8, 0);
+ qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_2+0xc, 0);
+ qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_3+0x8, 0);
+ qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_3+0xc, 0);
+ return 0;
+}
+
+int qla82xx_check_for_bad_spd(struct qla_hw_data *ha)
+{
+ u32 val = 0;
+ val = qla82xx_rd_32(ha, BOOT_LOADER_DIMM_STATUS);
+ val &= QLA82XX_BOOT_LOADER_MN_ISSUE;
+ if (val & QLA82XX_PEG_TUNE_MN_SPD_ZEROED) {
+ qla_printk(KERN_INFO, ha,
+ "Memory DIMM SPD not programmed. "
+ " Assumed valid.\n");
+ return 1;
+ } else if (val) {
+ qla_printk(KERN_INFO, ha,
+ "Memory DIMM type incorrect.Info:%08X.\n", val);
+ return 2;
+ }
+ return 0;
+}
+
+int
+qla82xx_fw_load_from_flash(struct qla_hw_data *ha)
+{
+ int i;
+ long size = 0;
+ long flashaddr = BOOTLD_START, memaddr = BOOTLD_START;
+ u64 data;
+ u32 high, low;
+ size = (IMAGE_START - BOOTLD_START) / 8;
+
+ for (i = 0; i < size; i++) {
+ if ((qla82xx_rom_fast_read(ha, flashaddr, (int *)&low)) ||
+ (qla82xx_rom_fast_read(ha, flashaddr + 4, (int *)&high))) {
+ return -1;
+ }
+ data = ((u64)high << 32) | low ;
+ qla82xx_pci_mem_write_2M(ha, memaddr, &data, 8);
+ flashaddr += 8;
+ memaddr += 8;
+
+ if (i % 0x1000 == 0)
+ msleep(1);
+ }
+ udelay(100);
+ read_lock(&ha->hw_lock);
+ if (QLA82XX_IS_REVISION_P3PLUS(ha->chip_revision)) {
+ qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_0 + 0x18, 0x1020);
+ qla82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0x80001e);
+ } else {
+ qla82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0x80001d);
+ }
+ read_unlock(&ha->hw_lock);
+ return 0;
+}
+
+int
+qla82xx_pci_mem_read_2M(struct qla_hw_data *ha,
+ u64 off, void *data, int size)
+{
+ int i, j = 0, k, start, end, loop, sz[2], off0[2];
+ int shift_amount;
+ uint32_t temp;
+ uint64_t off8, val, mem_crb, word[2] = {0, 0};
+
+ /*
+ * If not MN, go check for MS or invalid.
+ */
+
+ if (off >= QLA82XX_ADDR_QDR_NET && off <= QLA82XX_P3_ADDR_QDR_NET_MAX)
+ mem_crb = QLA82XX_CRB_QDR_NET;
+ else {
+ mem_crb = QLA82XX_CRB_DDR_NET;
+ if (qla82xx_pci_mem_bound_check(ha, off, size) == 0)
+ return qla82xx_pci_mem_read_direct(ha,
+ off, data, size);
+ }
+
+ if (QLA82XX_IS_REVISION_P3PLUS(ha->chip_revision)) {
+ off8 = off & 0xfffffff0;
+ off0[0] = off & 0xf;
+ sz[0] = (size < (16 - off0[0])) ? size : (16 - off0[0]);
+ shift_amount = 4;
+ } else {
+ off8 = off & 0xfffffff8;
+ off0[0] = off & 0x7;
+ sz[0] = (size < (8 - off0[0])) ? size : (8 - off0[0]);
+ shift_amount = 4;
+ }
+ loop = ((off0[0] + size - 1) >> shift_amount) + 1;
+ off0[1] = 0;
+ sz[1] = size - sz[0];
+
+ /*
+ * don't lock here - write_wx gets the lock if each time
+ * write_lock_irqsave(&adapter->adapter_lock, flags);
+ * netxen_nic_pci_change_crbwindow_128M(adapter, 0);
+ */
+
+ for (i = 0; i < loop; i++) {
+ temp = off8 + (i << shift_amount);
+ qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_ADDR_LO, temp);
+ temp = 0;
+ qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_ADDR_HI, temp);
+ temp = MIU_TA_CTL_ENABLE;
+ qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_CTRL, temp);
+ temp = MIU_TA_CTL_START | MIU_TA_CTL_ENABLE;
+ qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_CTRL, temp);
+
+ for (j = 0; j < MAX_CTL_CHECK; j++) {
+ temp = qla82xx_rd_32(ha, mem_crb + MIU_TEST_AGT_CTRL);
+ if ((temp & MIU_TA_CTL_BUSY) == 0)
+ break;
+ }
+
+ if (j >= MAX_CTL_CHECK) {
+ if (printk_ratelimit())
+ dev_err(&ha->pdev->dev,
+ "failed to read through agent\n");
+ break;
+ }
+
+ start = off0[i] >> 2;
+ end = (off0[i] + sz[i] - 1) >> 2;
+ for (k = start; k <= end; k++) {
+ temp = qla82xx_rd_32(ha,
+ mem_crb + MIU_TEST_AGT_RDDATA(k));
+ word[i] |= ((uint64_t)temp << (32 * (k & 1)));
+ }
+ }
+
+ /*
+ * netxen_nic_pci_change_crbwindow_128M(adapter, 1);
+ * write_unlock_irqrestore(&adapter->adapter_lock, flags);
+ */
+
+ if (j >= MAX_CTL_CHECK)
+ return -1;
+
+ if ((off0[0] & 7) == 0) {
+ val = word[0];
+ } else {
+ val = ((word[0] >> (off0[0] * 8)) & (~(~0ULL << (sz[0] * 8)))) |
+ ((word[1] & (~(~0ULL << (sz[1] * 8)))) << (sz[0] * 8));
+ }
+
+ switch (size) {
+ case 1:
+ *(uint8_t *)data = val;
+ break;
+ case 2:
+ *(uint16_t *)data = val;
+ break;
+ case 4:
+ *(uint32_t *)data = val;
+ break;
+ case 8:
+ *(uint64_t *)data = val;
+ break;
+ }
+ return 0;
+}
+
+int
+qla82xx_pci_mem_write_2M(struct qla_hw_data *ha,
+ u64 off, void *data, int size)
+{
+ int i, j, ret = 0, loop, sz[2], off0;
+ int scale, shift_amount, p3p, startword;
+ uint32_t temp;
+ uint64_t off8, mem_crb, tmpw, word[2] = {0, 0};
+
+ /*
+ * If not MN, go check for MS or invalid.
+ */
+ if (off >= QLA82XX_ADDR_QDR_NET && off <= QLA82XX_P3_ADDR_QDR_NET_MAX)
+ mem_crb = QLA82XX_CRB_QDR_NET;
+ else {
+ mem_crb = QLA82XX_CRB_DDR_NET;
+ if (qla82xx_pci_mem_bound_check(ha, off, size) == 0)
+ return qla82xx_pci_mem_write_direct(ha,
+ off, data, size);
+ }
+
+ off0 = off & 0x7;
+ sz[0] = (size < (8 - off0)) ? size : (8 - off0);
+ sz[1] = size - sz[0];
+
+ if (QLA82XX_IS_REVISION_P3PLUS(ha->chip_revision)) {
+ off8 = off & 0xfffffff0;
+ loop = (((off & 0xf) + size - 1) >> 4) + 1;
+ shift_amount = 4;
+ scale = 2;
+ p3p = 1;
+ startword = (off & 0xf)/8;
+ } else {
+ off8 = off & 0xfffffff8;
+ loop = ((off0 + size - 1) >> 3) + 1;
+ shift_amount = 3;
+ scale = 1;
+ p3p = 0;
+ startword = 0;
+ }
+
+ if (p3p || (size != 8) || (off0 != 0)) {
+ for (i = 0; i < loop; i++) {
+ if (qla82xx_pci_mem_read_2M(ha, off8 +
+ (i << shift_amount), &word[i * scale], 8))
+ return -1;
+ }
+ }
+
+ switch (size) {
+ case 1:
+ tmpw = *((uint8_t *)data);
+ break;
+ case 2:
+ tmpw = *((uint16_t *)data);
+ break;
+ case 4:
+ tmpw = *((uint32_t *)data);
+ break;
+ case 8:
+ default:
+ tmpw = *((uint64_t *)data);
+ break;
+ }
+
+ if (QLA82XX_IS_REVISION_P3PLUS(ha->chip_revision)) {
+ if (sz[0] == 8) {
+ word[startword] = tmpw;
+ } else {
+ word[startword] &=
+ ~((~(~0ULL << (sz[0] * 8))) << (off0 * 8));
+ word[startword] |= tmpw << (off0 * 8);
+ }
+ if (sz[1] != 0) {
+ word[startword+1] &= ~(~0ULL << (sz[1] * 8));
+ word[startword+1] |= tmpw >> (sz[0] * 8);
+ }
+ } else {
+ word[startword] &= ~((~(~0ULL << (sz[0] * 8))) << (off0 * 8));
+ word[startword] |= tmpw << (off0 * 8);
+
+ if (loop == 2) {
+ word[1] &= ~(~0ULL << (sz[1] * 8));
+ word[1] |= tmpw >> (sz[0] * 8);
+ }
+ }
+
+ /*
+ * don't lock here - write_wx gets the lock if each time
+ * write_lock_irqsave(&adapter->adapter_lock, flags);
+ * netxen_nic_pci_change_crbwindow_128M(adapter, 0);
+ */
+ for (i = 0; i < loop; i++) {
+ temp = off8 + (i << shift_amount);
+ qla82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_ADDR_LO, temp);
+ temp = 0;
+ qla82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_ADDR_HI, temp);
+ temp = word[i * scale] & 0xffffffff;
+ qla82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_WRDATA_LO, temp);
+ temp = (word[i * scale] >> 32) & 0xffffffff;
+ qla82xx_wr_32(ha, mem_crb+MIU_TEST_AGT_WRDATA_HI, temp);
+ if (QLA82XX_IS_REVISION_P3PLUS(ha->chip_revision)) {
+ temp = word[i*scale + 1] & 0xffffffff;
+ qla82xx_wr_32(ha, mem_crb +
+ MIU_TEST_AGT_WRDATA_UPPER_LO, temp);
+ temp = (word[i*scale + 1] >> 32) & 0xffffffff;
+ qla82xx_wr_32(ha, mem_crb +
+ MIU_TEST_AGT_WRDATA_UPPER_HI, temp);
+ }
+
+ temp = MIU_TA_CTL_ENABLE | MIU_TA_CTL_WRITE;
+ qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_CTRL, temp);
+ temp = MIU_TA_CTL_START | MIU_TA_CTL_ENABLE | MIU_TA_CTL_WRITE;
+ qla82xx_wr_32(ha, mem_crb + MIU_TEST_AGT_CTRL, temp);
+
+ for (j = 0; j < MAX_CTL_CHECK; j++) {
+ temp = qla82xx_rd_32(ha, mem_crb + MIU_TEST_AGT_CTRL);
+ if ((temp & MIU_TA_CTL_BUSY) == 0)
+ break;
+ }
+
+ if (j >= MAX_CTL_CHECK) {
+ if (printk_ratelimit())
+ dev_err(&ha->pdev->dev,
+ "failed to write through agent\n");
+ ret = -1;
+ break;
+ }
+ }
+
+ return ret;
+}
+
+/* PCI related functions */
+char *
+qla82xx_pci_info_str(struct scsi_qla_host *vha, char *str)
+{
+ int pcie_reg;
+ struct qla_hw_data *ha = vha->hw;
+ char lwstr[6];
+ uint16_t lnk;
+
+ pcie_reg = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
+ pci_read_config_word(ha->pdev, pcie_reg + PCI_EXP_LNKSTA, &lnk);
+ ha->link_width = (lnk >> 4) & 0x3f;
+
+ strcpy(str, "PCIe (");
+ strcat(str, "2.5Gb/s ");
+ snprintf(lwstr, sizeof(lwstr), "x%d)", ha->link_width);
+ strcat(str, lwstr);
+ return str;
+}
+
+int qla82xx_pci_region_offset(struct pci_dev *pdev, int region)
+{
+ unsigned long val = 0;
+ u32 control;
+
+ switch (region) {
+ case 0:
+ val = 0;
+ break;
+ case 1:
+ pci_read_config_dword(pdev, QLA82XX_PCI_REG_MSIX_TBL, &control);
+ val = control + QLA82XX_MSIX_TBL_SPACE;
+ break;
+ }
+ return val;
+}
+
+int qla82xx_pci_region_len(struct pci_dev *pdev, int region)
+{
+ unsigned long val = 0;
+ u32 control;
+ switch (region) {
+ case 0:
+ pci_read_config_dword(pdev, QLA82XX_PCI_REG_MSIX_TBL, &control);
+ val = control;
+ break;
+ case 1:
+ val = pci_resource_len(pdev, 0) -
+ qla82xx_pci_region_offset(pdev, 1);
+ break;
+ }
+ return val;
+}
+
+int
+qla82xx_iospace_config(struct qla_hw_data *ha)
+{
+ uint32_t len = 0;
+
+ if (pci_request_regions(ha->pdev, QLA2XXX_DRIVER_NAME)) {
+ qla_printk(KERN_WARNING, ha,
+ "Failed to reserve selected regions (%s)\n",
+ pci_name(ha->pdev));
+ goto iospace_error_exit;
+ }
+
+ /* Use MMIO operations for all accesses. */
+ if (!(pci_resource_flags(ha->pdev, 0) & IORESOURCE_MEM)) {
+ qla_printk(KERN_ERR, ha,
+ "region #0 not an MMIO resource (%s), aborting\n",
+ pci_name(ha->pdev));
+ goto iospace_error_exit;
+ }
+
+ len = pci_resource_len(ha->pdev, 0);
+ ha->nx_pcibase =
+ (unsigned long)ioremap(pci_resource_start(ha->pdev, 0), len);
+ if (!ha->nx_pcibase) {
+ qla_printk(KERN_ERR, ha,
+ "cannot remap pcibase MMIO (%s), aborting\n",
+ pci_name(ha->pdev));
+ pci_release_regions(ha->pdev);
+ goto iospace_error_exit;
+ }
+
+ /* Mapping of IO base pointer */
+ ha->iobase = (device_reg_t __iomem *)((uint8_t *)ha->nx_pcibase +
+ 0xbc000 + (ha->pdev->devfn << 11));
+
+ if (!ql2xdbwr) {
+ ha->nxdb_wr_ptr =
+ (unsigned long)ioremap((pci_resource_start(ha->pdev, 4) +
+ (ha->pdev->devfn << 12)), 4);
+ if (!ha->nxdb_wr_ptr) {
+ qla_printk(KERN_ERR, ha,
+ "cannot remap MMIO (%s), aborting\n",
+ pci_name(ha->pdev));
+ pci_release_regions(ha->pdev);
+ goto iospace_error_exit;
+ }
+
+ /* Mapping of IO base pointer,
+ * door bell read and write pointer
+ */
+ ha->nxdb_rd_ptr = (uint8_t *) ha->nx_pcibase + (512 * 1024) +
+ (ha->pdev->devfn * 8);
+ } else {
+ ha->nxdb_wr_ptr = (ha->pdev->devfn == 6 ?
+ QLA82XX_CAMRAM_DB1 :
+ QLA82XX_CAMRAM_DB2);
+ }
+
+ ha->max_req_queues = ha->max_rsp_queues = 1;
+ ha->msix_count = ha->max_rsp_queues + 1;
+ return 0;
+
+iospace_error_exit:
+ return -ENOMEM;
+}
+
+/* GS related functions */
+
+/* Initialization related functions */
+
+/**
+ * qla82xx_pci_config() - Setup ISP82xx PCI configuration registers.
+ * @ha: HA context
+ *
+ * Returns 0 on success.
+*/
+int
+qla82xx_pci_config(scsi_qla_host_t *vha)
+{
+ struct qla_hw_data *ha = vha->hw;
+ int ret;
+
+ pci_set_master(ha->pdev);
+ ret = pci_set_mwi(ha->pdev);
+ ha->chip_revision = ha->pdev->revision;
+ return 0;
+}
+
+/**
+ * qla82xx_reset_chip() - Setup ISP82xx PCI configuration registers.
+ * @ha: HA context
+ *
+ * Returns 0 on success.
+ */
+void
+qla82xx_reset_chip(scsi_qla_host_t *vha)
+{
+ struct qla_hw_data *ha = vha->hw;
+ ha->isp_ops->disable_intrs(ha);
+}
+
+void qla82xx_config_rings(struct scsi_qla_host *vha)
+{
+ struct qla_hw_data *ha = vha->hw;
+ struct device_reg_82xx __iomem *reg = &ha->iobase->isp82;
+ struct init_cb_81xx *icb;
+ struct req_que *req = ha->req_q_map[0];
+ struct rsp_que *rsp = ha->rsp_q_map[0];
+
+ /* Setup ring parameters in initialization control block. */
+ icb = (struct init_cb_81xx *)ha->init_cb;
+ icb->request_q_outpointer = __constant_cpu_to_le16(0);
+ icb->response_q_inpointer = __constant_cpu_to_le16(0);
+ icb->request_q_length = cpu_to_le16(req->length);
+ icb->response_q_length = cpu_to_le16(rsp->length);
+ icb->request_q_address[0] = cpu_to_le32(LSD(req->dma));
+ icb->request_q_address[1] = cpu_to_le32(MSD(req->dma));
+ icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma));
+ icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma));
+
+ icb->version = 1;
+ icb->frame_payload_size = 2112;
+ icb->execution_throttle = 8;
+ icb->exchange_count = 128;
+ icb->login_retry_count = 8;
+
+ WRT_REG_DWORD((unsigned long __iomem *)®->req_q_out[0], 0);
+ WRT_REG_DWORD((unsigned long __iomem *)®->rsp_q_in[0], 0);
+ WRT_REG_DWORD((unsigned long __iomem *)®->rsp_q_out[0], 0);
+}
+
+int qla82xx_fw_load_from_blob(struct qla_hw_data *ha)
+{
+ u64 *ptr64;
+ u32 i, flashaddr, size;
+ __le64 data;
+
+ size = (IMAGE_START - BOOTLD_START) / 8;
+
+ ptr64 = (u64 *)&ha->hablob->fw->data[BOOTLD_START];
+ flashaddr = BOOTLD_START;
+
+ for (i = 0; i < size; i++) {
+ data = cpu_to_le64(ptr64[i]);
+ qla82xx_pci_mem_write_2M(ha, flashaddr, &data, 8);
+ flashaddr += 8;
+ }
+
+ size = *(u32 *)&ha->hablob->fw->data[FW_SIZE_OFFSET];
+ size = (__force u32)cpu_to_le32(size) / 8;
+ ptr64 = (u64 *)&ha->hablob->fw->data[IMAGE_START];
+ flashaddr = FLASH_ADDR_START;
+
+ for (i = 0; i < size; i++) {
+ data = cpu_to_le64(ptr64[i]);
+
+ if (qla82xx_pci_mem_write_2M(ha, flashaddr, &data, 8))
+ return -EIO;
+ flashaddr += 8;
+ }
+
+ /* Write a magic value to CAMRAM register
+ * at a specified offset to indicate
+ * that all data is written and
+ * ready for firmware to initialize.
+ */
+ qla82xx_wr_32(ha, QLA82XX_CAM_RAM(0x1fc), 0x12345678);
+
+ if (QLA82XX_IS_REVISION_P3PLUS(ha->chip_revision)) {
+ qla82xx_wr_32(ha, QLA82XX_CRB_PEG_NET_0 + 0x18, 0x1020);
+ qla82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0x80001e);
+ } else
+ qla82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0x80001d);
+ return 0;
+}
+
+int qla82xx_check_cmdpeg_state(struct qla_hw_data *ha)
+{
+ u32 val = 0;
+ int retries = 60;
+
+ do {
+ read_lock(&ha->hw_lock);
+ val = qla82xx_rd_32(ha, CRB_CMDPEG_STATE);
+ read_unlock(&ha->hw_lock);
+
+ switch (val) {
+ case PHAN_INITIALIZE_COMPLETE:
+ case PHAN_INITIALIZE_ACK:
+ return QLA_SUCCESS;
+ case PHAN_INITIALIZE_FAILED:
+ break;
+ default:
+ break;
+ }
+ qla_printk(KERN_WARNING, ha,
+ "CRB_CMDPEG_STATE: 0x%x and retries: 0x%x\n",
+ val, retries);
+
+ msleep(500);
+
+ } while (--retries);
+
+ qla_printk(KERN_INFO, ha,
+ "Cmd Peg initialization failed: 0x%x.\n", val);
+
+ qla82xx_check_for_bad_spd(ha);
+ val = qla82xx_rd_32(ha, QLA82XX_ROMUSB_GLB_PEGTUNE_DONE);
+ read_lock(&ha->hw_lock);
+ qla82xx_wr_32(ha, CRB_CMDPEG_STATE, PHAN_INITIALIZE_FAILED);
+ read_unlock(&ha->hw_lock);
+ return QLA_FUNCTION_FAILED;
+}
+
+int qla82xx_check_rcvpeg_state(struct qla_hw_data *ha)
+{
+ u32 val = 0;
+ int retries = 60;
+
+ do {
+ read_lock(&ha->hw_lock);
+ val = qla82xx_rd_32(ha, CRB_RCVPEG_STATE);
+ read_unlock(&ha->hw_lock);
+
+ switch (val) {
+ case PHAN_INITIALIZE_COMPLETE:
+ case PHAN_INITIALIZE_ACK:
+ return QLA_SUCCESS;
+ case PHAN_INITIALIZE_FAILED:
+ break;
+ default:
+ break;
+ }
+
+ qla_printk(KERN_WARNING, ha,
+ "CRB_RCVPEG_STATE: 0x%x and retries: 0x%x\n",
+ val, retries);
+
+ msleep(500);
+
+ } while (--retries);
+
+ qla_printk(KERN_INFO, ha,
+ "Rcv Peg initialization failed: 0x%x.\n", val);
+ read_lock(&ha->hw_lock);
+ qla82xx_wr_32(ha, CRB_RCVPEG_STATE, PHAN_INITIALIZE_FAILED);
+ read_unlock(&ha->hw_lock);
+ return QLA_FUNCTION_FAILED;
+}
+
+/* ISR related functions */
+uint32_t qla82xx_isr_int_target_mask_enable[8] = {
+ ISR_INT_TARGET_MASK, ISR_INT_TARGET_MASK_F1,
+ ISR_INT_TARGET_MASK_F2, ISR_INT_TARGET_MASK_F3,
+ ISR_INT_TARGET_MASK_F4, ISR_INT_TARGET_MASK_F5,
+ ISR_INT_TARGET_MASK_F7, ISR_INT_TARGET_MASK_F7
+};
+
+uint32_t qla82xx_isr_int_target_status[8] = {
+ ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1,
+ ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3,
+ ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5,
+ ISR_INT_TARGET_STATUS_F7, ISR_INT_TARGET_STATUS_F7
+};
+
+static struct qla82xx_legacy_intr_set legacy_intr[] = \
+ QLA82XX_LEGACY_INTR_CONFIG;
+
+/*
+ * qla82xx_mbx_completion() - Process mailbox command completions.
+ * @ha: SCSI driver HA context
+ * @mb0: Mailbox0 register
+ */
+void
+qla82xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0)
+{
+ uint16_t cnt;
+ uint16_t __iomem *wptr;
+ struct qla_hw_data *ha = vha->hw;
+ struct device_reg_82xx __iomem *reg = &ha->iobase->isp82;
+ wptr = (uint16_t __iomem *)®->mailbox_out[1];
+
+ /* Load return mailbox registers. */
+ ha->flags.mbox_int = 1;
+ ha->mailbox_out[0] = mb0;
+
+ for (cnt = 1; cnt < ha->mbx_count; cnt++) {
+ ha->mailbox_out[cnt] = RD_REG_WORD(wptr);
+ wptr++;
+ }
+
+ if (ha->mcp) {
+ DEBUG3_11(printk(KERN_INFO "%s(%ld): "
+ "Got mailbox completion. cmd=%x.\n",
+ __func__, vha->host_no, ha->mcp->mb[0]));
+ } else {
+ qla_printk(KERN_INFO, ha,
+ "%s(%ld): MBX pointer ERROR!\n",
+ __func__, vha->host_no);
+ }
+}
+
+/*
+ * qla82xx_intr_handler() - Process interrupts for the ISP23xx and ISP63xx.
+ * @irq:
+ * @dev_id: SCSI driver HA context
+ * @regs:
+ *
+ * Called by system whenever the host adapter generates an interrupt.
+ *
+ * Returns handled flag.
+ */
+irqreturn_t
+qla82xx_intr_handler(int irq, void *dev_id)
+{
+ scsi_qla_host_t *vha;
+ struct qla_hw_data *ha;
+ struct rsp_que *rsp;
+ struct device_reg_82xx __iomem *reg;
+ int status = 0, status1 = 0;
+ unsigned long flags;
+ unsigned long iter;
+ uint32_t stat;
+ uint16_t mb[4];
+
+ rsp = (struct rsp_que *) dev_id;
+ if (!rsp) {
+ printk(KERN_INFO
+ "%s(): NULL response queue pointer\n", __func__);
+ return IRQ_NONE;
+ }
+ ha = rsp->hw;
+
+ if (!ha->flags.msi_enabled) {
+ status = qla82xx_rd_32(ha, ISR_INT_VECTOR);
+ if (!(status & ha->nx_legacy_intr.int_vec_bit))
+ return IRQ_NONE;
+
+ status1 = qla82xx_rd_32(ha, ISR_INT_STATE_REG);
+ if (!ISR_IS_LEGACY_INTR_TRIGGERED(status1))
+ return IRQ_NONE;
+ }
+
+ /* clear the interrupt */
+ qla82xx_wr_32(ha, ha->nx_legacy_intr.tgt_status_reg, 0xffffffff);
+
+ /* read twice to ensure write is flushed */
+ qla82xx_rd_32(ha, ISR_INT_VECTOR);
+ qla82xx_rd_32(ha, ISR_INT_VECTOR);
+
+ reg = &ha->iobase->isp82;
+
+ spin_lock_irqsave(&ha->hardware_lock, flags);
+ vha = pci_get_drvdata(ha->pdev);
+ for (iter = 1; iter--; ) {
+
+ if (RD_REG_DWORD(®->host_int)) {
+ stat = RD_REG_DWORD(®->host_status);
+ if (stat & HSRX_RISC_PAUSED) {
+ if (pci_channel_offline(ha->pdev))
+ break;
+
+ qla_printk(KERN_INFO, ha, "RISC paused\n");
+ set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
+ qla2xxx_wake_dpc(vha);
+ break;
+ } else if ((stat & HSRX_RISC_INT) == 0)
+ break;
+
+ switch (stat & 0xff) {
+ case 0x1:
+ case 0x2:
+ case 0x10:
+ case 0x11:
+ qla82xx_mbx_completion(vha, MSW(stat));
+ status |= MBX_INTERRUPT;
+ break;
+ case 0x12:
+ mb[0] = MSW(stat);
+ mb[1] = RD_REG_WORD(®->mailbox_out[1]);
+ mb[2] = RD_REG_WORD(®->mailbox_out[2]);
+ mb[3] = RD_REG_WORD(®->mailbox_out[3]);
+ qla2x00_async_event(vha, rsp, mb);
+ break;
+ case 0x13:
+ qla24xx_process_response_queue(vha, rsp);
+ break;
+ default:
+ DEBUG2(printk("scsi(%ld): "
+ " Unrecognized interrupt type (%d).\n",
+ vha->host_no, stat & 0xff));
+ break;
+ }
+ }
+ WRT_REG_DWORD(®->host_int, 0);
+ }
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+ if (!ha->flags.msi_enabled)
+ qla82xx_wr_32(ha, ha->nx_legacy_intr.tgt_mask_reg, 0xfbff);
+
+#ifdef QL_DEBUG_LEVEL_17
+ if (!irq && ha->flags.eeh_busy)
+ qla_printk(KERN_WARNING, ha,
+ "isr: status %x, cmd_flags %lx, mbox_int %x, stat %x\n",
+ status, ha->mbx_cmd_flags, ha->flags.mbox_int, stat);
+#endif
+
+ if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) &&
+ (status & MBX_INTERRUPT) && ha->flags.mbox_int) {
+ set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
+ complete(&ha->mbx_intr_comp);
+ }
+ return IRQ_HANDLED;
+}
+
+irqreturn_t
+qla82xx_msix_default(int irq, void *dev_id)
+{
+ scsi_qla_host_t *vha;
+ struct qla_hw_data *ha;
+ struct rsp_que *rsp;
+ struct device_reg_82xx __iomem *reg;
+ int status = 0;
+ unsigned long flags;
+ uint32_t stat;
+ uint16_t mb[4];
+
+ rsp = (struct rsp_que *) dev_id;
+ if (!rsp) {
+ printk(KERN_INFO
+ "%s(): NULL response queue pointer\n", __func__);
+ return IRQ_NONE;
+ }
+ ha = rsp->hw;
+
+ reg = &ha->iobase->isp82;
+
+ spin_lock_irqsave(&ha->hardware_lock, flags);
+ vha = pci_get_drvdata(ha->pdev);
+ do {
+ if (RD_REG_DWORD(®->host_int)) {
+ stat = RD_REG_DWORD(®->host_status);
+ if (stat & HSRX_RISC_PAUSED) {
+ if (pci_channel_offline(ha->pdev))
+ break;
+
+ qla_printk(KERN_INFO, ha, "RISC paused\n");
+ set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
+ qla2xxx_wake_dpc(vha);
+ break;
+ } else if ((stat & HSRX_RISC_INT) == 0)
+ break;
+
+ switch (stat & 0xff) {
+ case 0x1:
+ case 0x2:
+ case 0x10:
+ case 0x11:
+ qla82xx_mbx_completion(vha, MSW(stat));
+ status |= MBX_INTERRUPT;
+ break;
+ case 0x12:
+ mb[0] = MSW(stat);
+ mb[1] = RD_REG_WORD(®->mailbox_out[1]);
+ mb[2] = RD_REG_WORD(®->mailbox_out[2]);
+ mb[3] = RD_REG_WORD(®->mailbox_out[3]);
+ qla2x00_async_event(vha, rsp, mb);
+ break;
+ case 0x13:
+ qla24xx_process_response_queue(vha, rsp);
+ break;
+ default:
+ DEBUG2(printk("scsi(%ld): "
+ " Unrecognized interrupt type (%d).\n",
+ vha->host_no, stat & 0xff));
+ break;
+ }
+ }
+ WRT_REG_DWORD(®->host_int, 0);
+ } while (0);
+
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+
+#ifdef QL_DEBUG_LEVEL_17
+ if (!irq && ha->flags.eeh_busy)
+ qla_printk(KERN_WARNING, ha,
+ "isr: status %x, cmd_flags %lx, mbox_int %x, stat %x\n",
+ status, ha->mbx_cmd_flags, ha->flags.mbox_int, stat);
+#endif
+
+ if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) &&
+ (status & MBX_INTERRUPT) && ha->flags.mbox_int) {
+ set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
+ complete(&ha->mbx_intr_comp);
+ }
+ return IRQ_HANDLED;
+}
+
+irqreturn_t
+qla82xx_msix_rsp_q(int irq, void *dev_id)
+{
+ scsi_qla_host_t *vha;
+ struct qla_hw_data *ha;
+ struct rsp_que *rsp;
+ struct device_reg_82xx __iomem *reg;
+
+ rsp = (struct rsp_que *) dev_id;
+ if (!rsp) {
+ printk(KERN_INFO
+ "%s(): NULL response queue pointer\n", __func__);
+ return IRQ_NONE;
+ }
+
+ ha = rsp->hw;
+ reg = &ha->iobase->isp82;
+ spin_lock_irq(&ha->hardware_lock);
+ vha = pci_get_drvdata(ha->pdev);
+ qla24xx_process_response_queue(vha, rsp);
+ WRT_REG_DWORD(®->host_int, 0);
+ spin_unlock_irq(&ha->hardware_lock);
+ return IRQ_HANDLED;
+}
+
+void
+qla82xx_poll(int irq, void *dev_id)
+{
+ scsi_qla_host_t *vha;
+ struct qla_hw_data *ha;
+ struct rsp_que *rsp;
+ struct device_reg_82xx __iomem *reg;
+ int status = 0;
+ uint32_t stat;
+ uint16_t mb[4];
+ unsigned long flags;
+
+ rsp = (struct rsp_que *) dev_id;
+ if (!rsp) {
+ printk(KERN_INFO
+ "%s(): NULL response queue pointer\n", __func__);
+ return;
+ }
+ ha = rsp->hw;
+
+ reg = &ha->iobase->isp82;
+ spin_lock_irqsave(&ha->hardware_lock, flags);
+ vha = pci_get_drvdata(ha->pdev);
+
+ if (RD_REG_DWORD(®->host_int)) {
+ stat = RD_REG_DWORD(®->host_status);
+ switch (stat & 0xff) {
+ case 0x1:
+ case 0x2:
+ case 0x10:
+ case 0x11:
+ qla82xx_mbx_completion(vha, MSW(stat));
+ status |= MBX_INTERRUPT;
+ break;
+ case 0x12:
+ mb[0] = MSW(stat);
+ mb[1] = RD_REG_WORD(®->mailbox_out[1]);
+ mb[2] = RD_REG_WORD(®->mailbox_out[2]);
+ mb[3] = RD_REG_WORD(®->mailbox_out[3]);
+ qla2x00_async_event(vha, rsp, mb);
+ break;
+ case 0x13:
+ qla24xx_process_response_queue(vha, rsp);
+ break;
+ default:
+ DEBUG2(printk("scsi(%ld): Unrecognized interrupt type "
+ "(%d).\n",
+ vha->host_no, stat & 0xff));
+ break;
+ }
+ }
+ WRT_REG_DWORD(®->host_int, 0);
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+}
+
+void
+qla82xx_enable_intrs(struct qla_hw_data *ha)
+{
+ scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
+ qla82xx_mbx_intr_enable(vha);
+ spin_lock_irq(&ha->hardware_lock);
+ qla82xx_wr_32(ha, ha->nx_legacy_intr.tgt_mask_reg, 0xfbff);
+ spin_unlock_irq(&ha->hardware_lock);
+ ha->interrupts_on = 1;
+}
+
+void
+qla82xx_disable_intrs(struct qla_hw_data *ha)
+{
+ scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
+ qla82xx_mbx_intr_disable(vha);
+ spin_lock_irq(&ha->hardware_lock);
+ qla82xx_wr_32(ha, ha->nx_legacy_intr.tgt_mask_reg, 0x0400);
+ spin_unlock_irq(&ha->hardware_lock);
+ ha->interrupts_on = 0;
+}
+
+void qla82xx_init_flags(struct qla_hw_data *ha)
+{
+ struct qla82xx_legacy_intr_set *nx_legacy_intr;
+
+ /* ISP 8021 initializations */
+ rwlock_init(&ha->hw_lock);
+ ha->qdr_sn_window = -1;
+ ha->ddr_mn_window = -1;
+ ha->curr_window = 255;
+ ha->portnum = PCI_FUNC(ha->pdev->devfn);
+ nx_legacy_intr = &legacy_intr[ha->portnum];
+ ha->nx_legacy_intr.int_vec_bit = nx_legacy_intr->int_vec_bit;
+ ha->nx_legacy_intr.tgt_status_reg = nx_legacy_intr->tgt_status_reg;
+ ha->nx_legacy_intr.tgt_mask_reg = nx_legacy_intr->tgt_mask_reg;
+ ha->nx_legacy_intr.pci_int_reg = nx_legacy_intr->pci_int_reg;
+}
+
+static inline void
+qla82xx_set_drv_active(scsi_qla_host_t *vha)
+{
+ uint32_t drv_active;
+ struct qla_hw_data *ha = vha->hw;
+
+ drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
+
+ /* If reset value is all FF's, initialize DRV_ACTIVE */
+ if (drv_active == 0xffffffff) {
+ qla82xx_wr_32(ha, QLA82XX_CRB_DRV_ACTIVE, 0);
+ drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
+ }
+ drv_active |= (1 << (ha->portnum * 4));
+ qla82xx_wr_32(ha, QLA82XX_CRB_DRV_ACTIVE, drv_active);
+}
+
+inline void
+qla82xx_clear_drv_active(struct qla_hw_data *ha)
+{
+ uint32_t drv_active;
+
+ drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
+ drv_active &= ~(1 << (ha->portnum * 4));
+ qla82xx_wr_32(ha, QLA82XX_CRB_DRV_ACTIVE, drv_active);
+}
+
+static inline int
+qla82xx_need_reset(struct qla_hw_data *ha)
+{
+ uint32_t drv_state;
+ int rval;
+
+ drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
+ rval = drv_state & (1 << (ha->portnum * 4));
+ return rval;
+}
+
+static inline void
+qla82xx_set_rst_ready(struct qla_hw_data *ha)
+{
+ uint32_t drv_state;
+ scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
+
+ drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
+
+ /* If reset value is all FF's, initialize DRV_STATE */
+ if (drv_state == 0xffffffff) {
+ qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, 0);
+ drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
+ }
+ drv_state |= (QLA82XX_DRVST_RST_RDY << (ha->portnum * 4));
+ qla_printk(KERN_INFO, ha,
+ "%s(%ld):drv_state = 0x%x\n",
+ __func__, vha->host_no, drv_state);
+ qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, drv_state);
+}
+
+static inline void
+qla82xx_clear_rst_ready(struct qla_hw_data *ha)
+{
+ uint32_t drv_state;
+
+ drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
+ drv_state &= ~(QLA82XX_DRVST_RST_RDY << (ha->portnum * 4));
+ qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, drv_state);
+}
+
+static inline void
+qla82xx_set_qsnt_ready(struct qla_hw_data *ha)
+{
+ uint32_t qsnt_state;
+
+ qsnt_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
+ qsnt_state |= (QLA82XX_DRVST_QSNT_RDY << (ha->portnum * 4));
+ qla82xx_wr_32(ha, QLA82XX_CRB_DRV_STATE, qsnt_state);
+}
+
+int qla82xx_load_fw(scsi_qla_host_t *vha)
+{
+ int rst;
+ struct fw_blob *blob;
+ struct qla_hw_data *ha = vha->hw;
+
+ /* Put both the PEG CMD and RCV PEG to default state
+ * of 0 before resetting the hardware
+ */
+ qla82xx_wr_32(ha, CRB_CMDPEG_STATE, 0);
+ qla82xx_wr_32(ha, CRB_RCVPEG_STATE, 0);
+
+ if (qla82xx_pinit_from_rom(vha) != QLA_SUCCESS) {
+ qla_printk(KERN_ERR, ha,
+ "%s: Error during CRB Initialization\n", __func__);
+ return QLA_FUNCTION_FAILED;
+ }
+ udelay(500);
+
+ /* Bring QM and CAMRAM out of reset */
+ rst = qla82xx_rd_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET);
+ rst &= ~((1 << 28) | (1 << 24));
+ qla82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, rst);
+
+ /*
+ * FW Load priority:
+ * 1) Operational firmware residing in flash.
+ * 2) Firmware via request-firmware interface (.bin file).
+ */
+ if (ql2xfwloadbin == 2)
+ goto try_blob_fw;
+
+ qla_printk(KERN_INFO, ha,
+ "Attempting to load firmware from flash\n");
+
+ if (qla82xx_fw_load_from_flash(ha) == QLA_SUCCESS) {
+ qla_printk(KERN_ERR, ha,
+ "Firmware loaded successfully from flash\n");
+ return QLA_SUCCESS;
+ }
+try_blob_fw:
+ qla_printk(KERN_INFO, ha,
+ "Attempting to load firmware from blob\n");
+
+ /* Load firmware blob. */
+ blob = ha->hablob = qla2x00_request_firmware(vha);
+ if (!blob) {
+ qla_printk(KERN_ERR, ha,
+ "Firmware image not present.\n");
+ goto fw_load_failed;
+ }
+
+ if (qla82xx_fw_load_from_blob(ha) == QLA_SUCCESS) {
+ qla_printk(KERN_ERR, ha,
+ "%s: Firmware loaded successfully "
+ " from binary blob\n", __func__);
+ return QLA_SUCCESS;
+ } else {
+ qla_printk(KERN_ERR, ha,
+ "Firmware load failed from binary blob\n");
+ blob->fw = NULL;
+ blob = NULL;
+ goto fw_load_failed;
+ }
+ return QLA_SUCCESS;
+
+fw_load_failed:
+ return QLA_FUNCTION_FAILED;
+}
+
+static int
+qla82xx_start_firmware(scsi_qla_host_t *vha)
+{
+ int pcie_cap;
+ uint16_t lnk;
+ struct qla_hw_data *ha = vha->hw;
+
+ /* scrub dma mask expansion register */
+ qla82xx_wr_32(ha, CRB_DMA_SHIFT, 0x55555555);
+
+ /* Overwrite stale initialization register values */
+ qla82xx_wr_32(ha, QLA82XX_PEG_HALT_STATUS1, 0);
+ qla82xx_wr_32(ha, QLA82XX_PEG_HALT_STATUS2, 0);
+
+ if (qla82xx_load_fw(vha) != QLA_SUCCESS) {
+ qla_printk(KERN_INFO, ha,
+ "%s: Error trying to start fw!\n", __func__);
+ return QLA_FUNCTION_FAILED;
+ }
+
+ /* Handshake with the card before we register the devices. */
+ if (qla82xx_check_cmdpeg_state(ha) != QLA_SUCCESS) {
+ qla_printk(KERN_INFO, ha,
+ "%s: Error during card handshake!\n", __func__);
+ return QLA_FUNCTION_FAILED;
+ }
+
+ /* Negotiated Link width */
+ pcie_cap = pci_find_capability(ha->pdev, PCI_CAP_ID_EXP);
+ pci_read_config_word(ha->pdev, pcie_cap + PCI_EXP_LNKSTA, &lnk);
+ ha->link_width = (lnk >> 4) & 0x3f;
+
+ /* Synchronize with Receive peg */
+ return qla82xx_check_rcvpeg_state(ha);
+}
+
+static inline int
+qla2xx_build_scsi_type_6_iocbs(srb_t *sp, struct cmd_type_6 *cmd_pkt,
+ uint16_t tot_dsds)
+{
+ uint32_t *cur_dsd = NULL;
+ scsi_qla_host_t *vha;
+ struct qla_hw_data *ha;
+ struct scsi_cmnd *cmd;
+ struct scatterlist *cur_seg;
+ uint32_t *dsd_seg;
+ void *next_dsd;
+ uint8_t avail_dsds;
+ uint8_t first_iocb = 1;
+ uint32_t dsd_list_len;
+ struct dsd_dma *dsd_ptr;
+ struct ct6_dsd *ctx;
+
+ cmd = sp->cmd;
+
+ /* Update entry type to indicate Command Type 3 IOCB */
+ *((uint32_t *)(&cmd_pkt->entry_type)) =
+ __constant_cpu_to_le32(COMMAND_TYPE_6);
+
+ /* No data transfer */
+ if (!scsi_bufflen(cmd) || cmd->sc_data_direction == DMA_NONE) {
+ cmd_pkt->byte_count = __constant_cpu_to_le32(0);
+ return 0;
+ }
+
+ vha = sp->fcport->vha;
+ ha = vha->hw;
+
+ /* Set transfer direction */
+ if (cmd->sc_data_direction == DMA_TO_DEVICE) {
+ cmd_pkt->control_flags =
+ __constant_cpu_to_le16(CF_WRITE_DATA);
+ ha->qla_stats.output_bytes += scsi_bufflen(cmd);
+ } else if (cmd->sc_data_direction == DMA_FROM_DEVICE) {
+ cmd_pkt->control_flags =
+ __constant_cpu_to_le16(CF_READ_DATA);
+ ha->qla_stats.input_bytes += scsi_bufflen(cmd);
+ }
+
+ cur_seg = scsi_sglist(cmd);
+ ctx = sp->ctx;
+
+ while (tot_dsds) {
+ avail_dsds = (tot_dsds > QLA_DSDS_PER_IOCB) ?
+ QLA_DSDS_PER_IOCB : tot_dsds;
+ tot_dsds -= avail_dsds;
+ dsd_list_len = (avail_dsds + 1) * QLA_DSD_SIZE;
+
+ dsd_ptr = list_first_entry(&ha->gbl_dsd_list,
+ struct dsd_dma, list);
+ next_dsd = dsd_ptr->dsd_addr;
+ list_del(&dsd_ptr->list);
+ ha->gbl_dsd_avail--;
+ list_add_tail(&dsd_ptr->list, &ctx->dsd_list);
+ ctx->dsd_use_cnt++;
+ ha->gbl_dsd_inuse++;
+
+ if (first_iocb) {
+ first_iocb = 0;
+ dsd_seg = (uint32_t *)&cmd_pkt->fcp_data_dseg_address;
+ *dsd_seg++ = cpu_to_le32(LSD(dsd_ptr->dsd_list_dma));
+ *dsd_seg++ = cpu_to_le32(MSD(dsd_ptr->dsd_list_dma));
+ *dsd_seg++ = dsd_list_len;
+ } else {
+ *cur_dsd++ = cpu_to_le32(LSD(dsd_ptr->dsd_list_dma));
+ *cur_dsd++ = cpu_to_le32(MSD(dsd_ptr->dsd_list_dma));
+ *cur_dsd++ = dsd_list_len;
+ }
+ cur_dsd = (uint32_t *)next_dsd;
+ while (avail_dsds) {
+ dma_addr_t sle_dma;
+
+ sle_dma = sg_dma_address(cur_seg);
+ *cur_dsd++ = cpu_to_le32(LSD(sle_dma));
+ *cur_dsd++ = cpu_to_le32(MSD(sle_dma));
+ *cur_dsd++ = cpu_to_le32(sg_dma_len(cur_seg));
+ cur_seg++;
+ avail_dsds--;
+ }
+ }
+
+ /* Null termination */
+ *cur_dsd++ = 0;
+ *cur_dsd++ = 0;
+ *cur_dsd++ = 0;
+ cmd_pkt->control_flags |= CF_DATA_SEG_DESCR_ENABLE;
+ return 0;
+}
+
+/*
+ * qla82xx_calc_dsd_lists() - Determine number of DSD list required
+ * for Command Type 6.
+ *
+ * @dsds: number of data segment decriptors needed
+ *
+ * Returns the number of dsd list needed to store @dsds.
+ */
+inline uint16_t
+qla82xx_calc_dsd_lists(uint16_t dsds)
+{
+ uint16_t dsd_lists = 0;
+
+ dsd_lists = (dsds/QLA_DSDS_PER_IOCB);
+ if (dsds % QLA_DSDS_PER_IOCB)
+ dsd_lists++;
+ return dsd_lists;
+}
+
+/*
+ * qla82xx_start_scsi() - Send a SCSI command to the ISP
+ * @sp: command to send to the ISP
+ *
+ * Returns non-zero if a failure occured, else zero.
+ */
+int
+qla82xx_start_scsi(srb_t *sp)
+{
+ int ret, nseg;
+ unsigned long flags;
+ struct scsi_cmnd *cmd;
+ uint32_t *clr_ptr;
+ uint32_t index;
+ uint32_t handle;
+ uint16_t cnt;
+ uint16_t req_cnt;
+ uint16_t tot_dsds;
+ struct device_reg_82xx __iomem *reg;
+ uint32_t dbval;
+ uint32_t *fcp_dl;
+ uint8_t additional_cdb_len;
+ struct ct6_dsd *ctx;
+ struct scsi_qla_host *vha = sp->fcport->vha;
+ struct qla_hw_data *ha = vha->hw;
+ struct req_que *req = NULL;
+ struct rsp_que *rsp = NULL;
+
+ /* Setup device pointers. */
+ ret = 0;
+ reg = &ha->iobase->isp82;
+ cmd = sp->cmd;
+ req = vha->req;
+ rsp = ha->rsp_q_map[0];
+
+ /* So we know we haven't pci_map'ed anything yet */
+ tot_dsds = 0;
+
+ dbval = 0x04 | (ha->portnum << 5);
+
+ /* Send marker if required */
+ if (vha->marker_needed != 0) {
+ if (qla2x00_marker(vha, req,
+ rsp, 0, 0, MK_SYNC_ALL) != QLA_SUCCESS)
+ return QLA_FUNCTION_FAILED;
+ vha->marker_needed = 0;
+ }
+
+ /* Acquire ring specific lock */
+ spin_lock_irqsave(&ha->hardware_lock, flags);
+
+ /* Check for room in outstanding command list. */
+ handle = req->current_outstanding_cmd;
+ for (index = 1; index < MAX_OUTSTANDING_COMMANDS; index++) {
+ handle++;
+ if (handle == MAX_OUTSTANDING_COMMANDS)
+ handle = 1;
+ if (!req->outstanding_cmds[handle])
+ break;
+ }
+ if (index == MAX_OUTSTANDING_COMMANDS)
+ goto queuing_error;
+
+ /* Map the sg table so we have an accurate count of sg entries needed */
+ if (scsi_sg_count(cmd)) {
+ nseg = dma_map_sg(&ha->pdev->dev, scsi_sglist(cmd),
+ scsi_sg_count(cmd), cmd->sc_data_direction);
+ if (unlikely(!nseg))
+ goto queuing_error;
+ } else
+ nseg = 0;
+
+ tot_dsds = nseg;
+
+ if (tot_dsds > ql2xshiftctondsd) {
+ struct cmd_type_6 *cmd_pkt;
+ uint16_t more_dsd_lists = 0;
+ struct dsd_dma *dsd_ptr;
+ uint16_t i;
+
+ more_dsd_lists = qla82xx_calc_dsd_lists(tot_dsds);
+ if ((more_dsd_lists + ha->gbl_dsd_inuse) >= NUM_DSD_CHAIN)
+ goto queuing_error;
+
+ if (more_dsd_lists <= ha->gbl_dsd_avail)
+ goto sufficient_dsds;
+ else
+ more_dsd_lists -= ha->gbl_dsd_avail;
+
+ for (i = 0; i < more_dsd_lists; i++) {
+ dsd_ptr = kzalloc(sizeof(struct dsd_dma), GFP_ATOMIC);
+ if (!dsd_ptr)
+ goto queuing_error;
+
+ dsd_ptr->dsd_addr = dma_pool_alloc(ha->dl_dma_pool,
+ GFP_ATOMIC, &dsd_ptr->dsd_list_dma);
+ if (!dsd_ptr->dsd_addr) {
+ kfree(dsd_ptr);
+ goto queuing_error;
+ }
+ list_add_tail(&dsd_ptr->list, &ha->gbl_dsd_list);
+ ha->gbl_dsd_avail++;
+ }
+
+sufficient_dsds:
+ req_cnt = 1;
+
+ ctx = sp->ctx = mempool_alloc(ha->ctx_mempool, GFP_ATOMIC);
+ if (!sp->ctx) {
+ DEBUG(printk(KERN_INFO
+ "%s(%ld): failed to allocate"
+ " ctx.\n", __func__, vha->host_no));
+ goto queuing_error;
+ }
+ memset(ctx, 0, sizeof(struct ct6_dsd));
+ ctx->fcp_cmnd = dma_pool_alloc(ha->fcp_cmnd_dma_pool,
+ GFP_ATOMIC, &ctx->fcp_cmnd_dma);
+ if (!ctx->fcp_cmnd) {
+ DEBUG2_3(printk("%s(%ld): failed to allocate"
+ " fcp_cmnd.\n", __func__, vha->host_no));
+ goto queuing_error_fcp_cmnd;
+ }
+
+ /* Initialize the DSD list and dma handle */
+ INIT_LIST_HEAD(&ctx->dsd_list);
+ ctx->dsd_use_cnt = 0;
+
+ if (cmd->cmd_len > 16) {
+ additional_cdb_len = cmd->cmd_len - 16;
+ if ((cmd->cmd_len % 4) != 0) {
+ /* SCSI command bigger than 16 bytes must be
+ * multiple of 4
+ */
+ goto queuing_error_fcp_cmnd;
+ }
+ ctx->fcp_cmnd_len = 12 + cmd->cmd_len + 4;
+ } else {
+ additional_cdb_len = 0;
+ ctx->fcp_cmnd_len = 12 + 16 + 4;
+ }
+
+ cmd_pkt = (struct cmd_type_6 *)req->ring_ptr;
+ cmd_pkt->handle = MAKE_HANDLE(req->id, handle);
+
+ /* Zero out remaining portion of packet. */
+ /* tagged queuing modifier -- default is TSK_SIMPLE (0). */
+ clr_ptr = (uint32_t *)cmd_pkt + 2;
+ memset(clr_ptr, 0, REQUEST_ENTRY_SIZE - 8);
+ cmd_pkt->dseg_count = cpu_to_le16(tot_dsds);
+
+ /* Set NPORT-ID and LUN number*/
+ cmd_pkt->nport_handle = cpu_to_le16(sp->fcport->loop_id);
+ cmd_pkt->port_id[0] = sp->fcport->d_id.b.al_pa;
+ cmd_pkt->port_id[1] = sp->fcport->d_id.b.area;
+ cmd_pkt->port_id[2] = sp->fcport->d_id.b.domain;
+ cmd_pkt->vp_index = sp->fcport->vp_idx;
+
+ /* Build IOCB segments */
+ if (qla2xx_build_scsi_type_6_iocbs(sp, cmd_pkt, tot_dsds))
+ goto queuing_error_fcp_cmnd;
+
+ int_to_scsilun(sp->cmd->device->lun, &cmd_pkt->lun);
+
+ /* build FCP_CMND IU */
+ memset(ctx->fcp_cmnd, 0, sizeof(struct fcp_cmnd));
+ int_to_scsilun(sp->cmd->device->lun, &ctx->fcp_cmnd->lun);
+ ctx->fcp_cmnd->additional_cdb_len = additional_cdb_len;
+
+ if (cmd->sc_data_direction == DMA_TO_DEVICE)
+ ctx->fcp_cmnd->additional_cdb_len |= 1;
+ else if (cmd->sc_data_direction == DMA_FROM_DEVICE)
+ ctx->fcp_cmnd->additional_cdb_len |= 2;
+
+ memcpy(ctx->fcp_cmnd->cdb, cmd->cmnd, cmd->cmd_len);
+
+ fcp_dl = (uint32_t *)(ctx->fcp_cmnd->cdb + 16 +
+ additional_cdb_len);
+ *fcp_dl = htonl((uint32_t)scsi_bufflen(cmd));
+
+ cmd_pkt->fcp_cmnd_dseg_len = cpu_to_le16(ctx->fcp_cmnd_len);
+ cmd_pkt->fcp_cmnd_dseg_address[0] =
+ cpu_to_le32(LSD(ctx->fcp_cmnd_dma));
+ cmd_pkt->fcp_cmnd_dseg_address[1] =
+ cpu_to_le32(MSD(ctx->fcp_cmnd_dma));
+
+ sp->flags |= SRB_FCP_CMND_DMA_VALID;
+ cmd_pkt->byte_count = cpu_to_le32((uint32_t)scsi_bufflen(cmd));
+ /* Set total data segment count. */
+ cmd_pkt->entry_count = (uint8_t)req_cnt;
+ /* Specify response queue number where
+ * completion should happen
+ */
+ cmd_pkt->entry_status = (uint8_t) rsp->id;
+ } else {
+ struct cmd_type_7 *cmd_pkt;
+ req_cnt = qla24xx_calc_iocbs(tot_dsds);
+ if (req->cnt < (req_cnt + 2)) {
+ cnt = (uint16_t)RD_REG_DWORD_RELAXED(
+ ®->req_q_out[0]);
+ if (req->ring_index < cnt)
+ req->cnt = cnt - req->ring_index;
+ else
+ req->cnt = req->length -
+ (req->ring_index - cnt);
+ }
+ if (req->cnt < (req_cnt + 2))
+ goto queuing_error;
+
+ cmd_pkt = (struct cmd_type_7 *)req->ring_ptr;
+ cmd_pkt->handle = MAKE_HANDLE(req->id, handle);
+
+ /* Zero out remaining portion of packet. */
+ /* tagged queuing modifier -- default is TSK_SIMPLE (0).*/
+ clr_ptr = (uint32_t *)cmd_pkt + 2;
+ memset(clr_ptr, 0, REQUEST_ENTRY_SIZE - 8);
+ cmd_pkt->dseg_count = cpu_to_le16(tot_dsds);
+
+ /* Set NPORT-ID and LUN number*/
+ cmd_pkt->nport_handle = cpu_to_le16(sp->fcport->loop_id);
+ cmd_pkt->port_id[0] = sp->fcport->d_id.b.al_pa;
+ cmd_pkt->port_id[1] = sp->fcport->d_id.b.area;
+ cmd_pkt->port_id[2] = sp->fcport->d_id.b.domain;
+ cmd_pkt->vp_index = sp->fcport->vp_idx;
+
+ int_to_scsilun(sp->cmd->device->lun, &cmd_pkt->lun);
+ host_to_fcp_swap((uint8_t *)&cmd_pkt->lun,
+ sizeof(cmd_pkt->lun));
+
+ /* Load SCSI command packet. */
+ memcpy(cmd_pkt->fcp_cdb, cmd->cmnd, cmd->cmd_len);
+ host_to_fcp_swap(cmd_pkt->fcp_cdb, sizeof(cmd_pkt->fcp_cdb));
+
+ cmd_pkt->byte_count = cpu_to_le32((uint32_t)scsi_bufflen(cmd));
+
+ /* Build IOCB segments */
+ qla24xx_build_scsi_iocbs(sp, cmd_pkt, tot_dsds);
+
+ /* Set total data segment count. */
+ cmd_pkt->entry_count = (uint8_t)req_cnt;
+ /* Specify response queue number where
+ * completion should happen.
+ */
+ cmd_pkt->entry_status = (uint8_t) rsp->id;
+
+ }
+ /* Build command packet. */
+ req->current_outstanding_cmd = handle;
+ req->outstanding_cmds[handle] = sp;
+ sp->handle = handle;
+ sp->cmd->host_scribble = (unsigned char *)(unsigned long)handle;
+ req->cnt -= req_cnt;
+ wmb();
+
+ /* Adjust ring index. */
+ req->ring_index++;
+ if (req->ring_index == req->length) {
+ req->ring_index = 0;
+ req->ring_ptr = req->ring;
+ } else
+ req->ring_ptr++;
+
+ sp->flags |= SRB_DMA_VALID;
+
+ /* Set chip new ring index. */
+ /* write, read and verify logic */
+ dbval = dbval | (req->id << 8) | (req->ring_index << 16);
+ if (ql2xdbwr)
+ qla82xx_wr_32(ha, ha->nxdb_wr_ptr, dbval);
+ else {
+ WRT_REG_DWORD(
+ (unsigned long __iomem *)ha->nxdb_wr_ptr,
+ dbval);
+ wmb();
+ while (RD_REG_DWORD(ha->nxdb_rd_ptr) != dbval) {
+ WRT_REG_DWORD(
+ (unsigned long __iomem *)ha->nxdb_wr_ptr,
+ dbval);
+ wmb();
+ }
+ }
+
+ /* Manage unprocessed RIO/ZIO commands in response queue. */
+ if (vha->flags.process_response_queue &&
+ rsp->ring_ptr->signature != RESPONSE_PROCESSED)
+ qla24xx_process_response_queue(vha, rsp);
+
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+ return QLA_SUCCESS;
+
+queuing_error_fcp_cmnd:
+ dma_pool_free(ha->fcp_cmnd_dma_pool, ctx->fcp_cmnd, ctx->fcp_cmnd_dma);
+queuing_error:
+ if (tot_dsds)
+ scsi_dma_unmap(cmd);
+
+ if (sp->ctx) {
+ mempool_free(sp->ctx, ha->ctx_mempool);
+ sp->ctx = NULL;
+ }
+ spin_unlock_irqrestore(&ha->hardware_lock, flags);
+
+ return QLA_FUNCTION_FAILED;
+}
+
+uint32_t *
+qla82xx_read_flash_data(scsi_qla_host_t *vha, uint32_t *dwptr, uint32_t faddr,
+ uint32_t length)
+{
+ uint32_t i;
+ uint32_t val;
+ struct qla_hw_data *ha = vha->hw;
+
+ /* Dword reads to flash. */
+ for (i = 0; i < length/4; i++, faddr += 4) {
+ if (qla82xx_rom_fast_read(ha, faddr, &val)) {
+ qla_printk(KERN_WARNING, ha,
+ "Do ROM fast read failed\n");
+ goto done_read;
+ }
+ dwptr[i] = __constant_cpu_to_le32(val);
+ }
+done_read:
+ return dwptr;
+}
+
+int
+qla82xx_unprotect_flash(struct qla_hw_data *ha)
+{
+ int ret;
+ uint32_t val;
+
+ ret = ql82xx_rom_lock_d(ha);
+ if (ret < 0) {
+ qla_printk(KERN_WARNING, ha, "ROM Lock failed\n");
+ return ret;
+ }
+
+ ret = qla82xx_read_status_reg(ha, &val);
+ if (ret < 0)
+ goto done_unprotect;
+
+ val &= ~(0x7 << 2);
+ ret = qla82xx_write_status_reg(ha, val);
+ if (ret < 0) {
+ val |= (0x7 << 2);
+ qla82xx_write_status_reg(ha, val);
+ }
+
+ if (qla82xx_write_disable_flash(ha) != 0)
+ qla_printk(KERN_WARNING, ha, "Write disable failed\n");
+
+done_unprotect:
+ qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM2_UNLOCK));
+ return ret;
+}
+
+int
+qla82xx_protect_flash(struct qla_hw_data *ha)
+{
+ int ret;
+ uint32_t val;
+
+ ret = ql82xx_rom_lock_d(ha);
+ if (ret < 0) {
+ qla_printk(KERN_WARNING, ha, "ROM Lock failed\n");
+ return ret;
+ }
+
+ ret = qla82xx_read_status_reg(ha, &val);
+ if (ret < 0)
+ goto done_protect;
+
+ val |= (0x7 << 2);
+ /* LOCK all sectors */
+ ret = qla82xx_write_status_reg(ha, val);
+ if (ret < 0)
+ qla_printk(KERN_WARNING, ha, "Write status register failed\n");
+
+ if (qla82xx_write_disable_flash(ha) != 0)
+ qla_printk(KERN_WARNING, ha, "Write disable failed\n");
+done_protect:
+ qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM2_UNLOCK));
+ return ret;
+}
+
+int
+qla82xx_erase_sector(struct qla_hw_data *ha, int addr)
+{
+ int ret = 0;
+
+ ret = ql82xx_rom_lock_d(ha);
+ if (ret < 0) {
+ qla_printk(KERN_WARNING, ha, "ROM Lock failed\n");
+ return ret;
+ }
+
+ qla82xx_flash_set_write_enable(ha);
+ qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ADDRESS, addr);
+ qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 3);
+ qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, M25P_INSTR_SE);
+
+ if (qla82xx_wait_rom_done(ha)) {
+ qla_printk(KERN_WARNING, ha,
+ "Error waiting for rom done\n");
+ ret = -1;
+ goto done;
+ }
+ ret = qla82xx_flash_wait_write_finish(ha);
+done:
+ qla82xx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM2_UNLOCK));
+ return ret;
+}
+
+/*
+ * Address and length are byte address
+ */
+uint8_t *
+qla82xx_read_optrom_data(struct scsi_qla_host *vha, uint8_t *buf,
+ uint32_t offset, uint32_t length)
+{
+ scsi_block_requests(vha->host);
+ qla82xx_read_flash_data(vha, (uint32_t *)buf, offset, length);
+ scsi_unblock_requests(vha->host);
+ return buf;
+}
+
+static int
+qla82xx_write_flash_data(struct scsi_qla_host *vha, uint32_t *dwptr,
+ uint32_t faddr, uint32_t dwords)
+{
+ int ret;
+ uint32_t liter;
+ uint32_t sec_mask, rest_addr;
+ dma_addr_t optrom_dma;
+ void *optrom = NULL;
+ int page_mode = 0;
+ struct qla_hw_data *ha = vha->hw;
+
+ ret = -1;
+
+ /* Prepare burst-capable write on supported ISPs. */
+ if (page_mode && !(faddr & 0xfff) &&
+ dwords > OPTROM_BURST_DWORDS) {
+ optrom = dma_alloc_coherent(&ha->pdev->dev, OPTROM_BURST_SIZE,
+ &optrom_dma, GFP_KERNEL);
+ if (!optrom) {
+ qla_printk(KERN_DEBUG, ha,
+ "Unable to allocate memory for optrom "
+ "burst write (%x KB).\n",
+ OPTROM_BURST_SIZE / 1024);
+ }
+ }
+
+ rest_addr = ha->fdt_block_size - 1;
+ sec_mask = ~rest_addr;
+
+ ret = qla82xx_unprotect_flash(ha);
+ if (ret) {
+ qla_printk(KERN_WARNING, ha,
+ "Unable to unprotect flash for update.\n");
+ goto write_done;
+ }
+
+ for (liter = 0; liter < dwords; liter++, faddr += 4, dwptr++) {
+ /* Are we at the beginning of a sector? */
+ if ((faddr & rest_addr) == 0) {
+
+ ret = qla82xx_erase_sector(ha, faddr);
+ if (ret) {
+ DEBUG9(qla_printk(KERN_ERR, ha,
+ "Unable to erase sector: "
+ "address=%x.\n", faddr));
+ break;
+ }
+ }
+
+ /* Go with burst-write. */
+ if (optrom && (liter + OPTROM_BURST_DWORDS) <= dwords) {
+ /* Copy data to DMA'ble buffer. */
+ memcpy(optrom, dwptr, OPTROM_BURST_SIZE);
+
+ ret = qla2x00_load_ram(vha, optrom_dma,
+ (ha->flash_data_off | faddr),
+ OPTROM_BURST_DWORDS);
+ if (ret != QLA_SUCCESS) {
+ qla_printk(KERN_WARNING, ha,
+ "Unable to burst-write optrom segment "
+ "(%x/%x/%llx).\n", ret,
+ (ha->flash_data_off | faddr),
+ (unsigned long long)optrom_dma);
+ qla_printk(KERN_WARNING, ha,
+ "Reverting to slow-write.\n");
+
+ dma_free_coherent(&ha->pdev->dev,
+ OPTROM_BURST_SIZE, optrom, optrom_dma);
+ optrom = NULL;
+ } else {
+ liter += OPTROM_BURST_DWORDS - 1;
+ faddr += OPTROM_BURST_DWORDS - 1;
+ dwptr += OPTROM_BURST_DWORDS - 1;
+ continue;
+ }
+ }
+
+ ret = qla82xx_write_flash_dword(ha, faddr,
+ cpu_to_le32(*dwptr));
+ if (ret) {
+ DEBUG9(printk(KERN_DEBUG "%s(%ld) Unable to program"
+ "flash address=%x data=%x.\n", __func__,
+ ha->host_no, faddr, *dwptr));
+ break;
+ }
+ }
+
+ ret = qla82xx_protect_flash(ha);
+ if (ret)
+ qla_printk(KERN_WARNING, ha,
+ "Unable to protect flash after update.\n");
+write_done:
+ if (optrom)
+ dma_free_coherent(&ha->pdev->dev,
+ OPTROM_BURST_SIZE, optrom, optrom_dma);
+ return ret;
+}
+
+int
+qla82xx_write_optrom_data(struct scsi_qla_host *vha, uint8_t *buf,
+ uint32_t offset, uint32_t length)
+{
+ int rval;
+
+ /* Suspend HBA. */
+ scsi_block_requests(vha->host);
+ rval = qla82xx_write_flash_data(vha, (uint32_t *)buf, offset,
+ length >> 2);
+ scsi_unblock_requests(vha->host);
+
+ /* Convert return ISP82xx to generic */
+ if (rval)
+ rval = QLA_FUNCTION_FAILED;
+ else
+ rval = QLA_SUCCESS;
+ return rval;
+}
+
+void
+qla82xx_start_iocbs(srb_t *sp)
+{
+ struct qla_hw_data *ha = sp->fcport->vha->hw;
+ struct req_que *req = ha->req_q_map[0];
+ struct device_reg_82xx __iomem *reg;
+ uint32_t dbval;
+
+ /* Adjust ring index. */
+ req->ring_index++;
+ if (req->ring_index == req->length) {
+ req->ring_index = 0;
+ req->ring_ptr = req->ring;
+ } else
+ req->ring_ptr++;
+
+ reg = &ha->iobase->isp82;
+ dbval = 0x04 | (ha->portnum << 5);
+
+ dbval = dbval | (req->id << 8) | (req->ring_index << 16);
+ WRT_REG_DWORD((unsigned long __iomem *)ha->nxdb_wr_ptr, dbval);
+ wmb();
+ while (RD_REG_DWORD(ha->nxdb_rd_ptr) != dbval) {
+ WRT_REG_DWORD((unsigned long __iomem *)ha->nxdb_wr_ptr, dbval);
+ wmb();
+ }
+}
+
+/*
+ * qla82xx_device_bootstrap
+ * Initialize device, set DEV_READY, start fw
+ *
+ * Note:
+ * IDC lock must be held upon entry
+ *
+ * Return:
+ * Success : 0
+ * Failed : 1
+ */
+static int
+qla82xx_device_bootstrap(scsi_qla_host_t *vha)
+{
+ int rval, i, timeout;
+ uint32_t old_count, count;
+ struct qla_hw_data *ha = vha->hw;
+
+ if (qla82xx_need_reset(ha))
+ goto dev_initialize;
+
+ old_count = qla82xx_rd_32(ha, QLA82XX_PEG_ALIVE_COUNTER);
+
+ for (i = 0; i < 10; i++) {
+ timeout = msleep_interruptible(200);
+ if (timeout) {
+ qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
+ QLA82XX_DEV_FAILED);
+ return QLA_FUNCTION_FAILED;
+ }
+
+ count = qla82xx_rd_32(ha, QLA82XX_PEG_ALIVE_COUNTER);
+ if (count != old_count)
+ goto dev_ready;
+ }
+
+dev_initialize:
+ /* set to DEV_INITIALIZING */
+ qla_printk(KERN_INFO, ha, "HW State: INITIALIZING\n");
+ qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA82XX_DEV_INITIALIZING);
+
+ /* Driver that sets device state to initializating sets IDC version */
+ qla82xx_wr_32(ha, QLA82XX_CRB_DRV_IDC_VERSION, QLA82XX_IDC_VERSION);
+
+ qla82xx_idc_unlock(ha);
+ rval = qla82xx_start_firmware(vha);
+ qla82xx_idc_lock(ha);
+
+ if (rval != QLA_SUCCESS) {
+ qla_printk(KERN_INFO, ha, "HW State: FAILED\n");
+ qla82xx_clear_drv_active(ha);
+ qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA82XX_DEV_FAILED);
+ return rval;
+ }
+
+dev_ready:
+ qla_printk(KERN_INFO, ha, "HW State: READY\n");
+ qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA82XX_DEV_READY);
+
+ return QLA_SUCCESS;
+}
+
+static void
+qla82xx_dev_failed_handler(scsi_qla_host_t *vha)
+{
+ struct qla_hw_data *ha = vha->hw;
+
+ /* Disable the board */
+ qla_printk(KERN_INFO, ha, "Disabling the board\n");
+
+ /* Set DEV_FAILED flag to disable timer */
+ vha->device_flags |= DFLG_DEV_FAILED;
+ qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
+ qla2x00_mark_all_devices_lost(vha, 0);
+ vha->flags.online = 0;
+ vha->flags.init_done = 0;
+}
+
+/*
+ * qla82xx_need_reset_handler
+ * Code to start reset sequence
+ *
+ * Note:
+ * IDC lock must be held upon entry
+ *
+ * Return:
+ * Success : 0
+ * Failed : 1
+ */
+static void
+qla82xx_need_reset_handler(scsi_qla_host_t *vha)
+{
+ uint32_t dev_state, drv_state, drv_active;
+ unsigned long reset_timeout;
+ struct qla_hw_data *ha = vha->hw;
+ struct req_que *req = ha->req_q_map[0];
+
+ if (vha->flags.online) {
+ qla82xx_idc_unlock(ha);
+ qla2x00_abort_isp_cleanup(vha);
+ ha->isp_ops->get_flash_version(vha, req->ring);
+ ha->isp_ops->nvram_config(vha);
+ qla82xx_idc_lock(ha);
+ }
+
+ qla82xx_set_rst_ready(ha);
+
+ /* wait for 10 seconds for reset ack from all functions */
+ reset_timeout = jiffies + (ha->nx_reset_timeout * HZ);
+
+ drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
+ drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
+
+ while (drv_state != drv_active) {
+ if (time_after_eq(jiffies, reset_timeout)) {
+ qla_printk(KERN_INFO, ha,
+ "%s: RESET TIMEOUT!\n", QLA2XXX_DRIVER_NAME);
+ break;
+ }
+ qla82xx_idc_unlock(ha);
+ msleep(1000);
+ qla82xx_idc_lock(ha);
+ drv_state = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_STATE);
+ drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
+ }
+
+ dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
+ /* Force to DEV_COLD unless someone else is starting a reset */
+ if (dev_state != QLA82XX_DEV_INITIALIZING) {
+ qla_printk(KERN_INFO, ha, "HW State: COLD/RE-INIT\n");
+ qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE, QLA82XX_DEV_COLD);
+ }
+}
+
+static void
+qla82xx_check_fw_alive(scsi_qla_host_t *vha)
+{
+ uint32_t fw_heartbeat_counter, halt_status;
+ struct qla_hw_data *ha = vha->hw;
+
+ fw_heartbeat_counter = qla82xx_rd_32(ha, QLA82XX_PEG_ALIVE_COUNTER);
+ if (vha->fw_heartbeat_counter == fw_heartbeat_counter) {
+ vha->seconds_since_last_heartbeat++;
+ /* FW not alive after 2 seconds */
+ if (vha->seconds_since_last_heartbeat == 2) {
+ vha->seconds_since_last_heartbeat = 0;
+ halt_status = qla82xx_rd_32(ha,
+ QLA82XX_PEG_HALT_STATUS1);
+ if (halt_status & HALT_STATUS_UNRECOVERABLE) {
+ set_bit(ISP_UNRECOVERABLE, &vha->dpc_flags);
+ } else {
+ qla_printk(KERN_INFO, ha,
+ "scsi(%ld): %s - detect abort needed\n",
+ vha->host_no, __func__);
+ set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
+ }
+ qla2xxx_wake_dpc(vha);
+ }
+ }
+ vha->fw_heartbeat_counter = fw_heartbeat_counter;
+}
+
+/*
+ * qla82xx_device_state_handler
+ * Main state handler
+ *
+ * Note:
+ * IDC lock must be held upon entry
+ *
+ * Return:
+ * Success : 0
+ * Failed : 1
+ */
+int
+qla82xx_device_state_handler(scsi_qla_host_t *vha)
+{
+ uint32_t dev_state;
+ uint32_t drv_active;
+ int rval = QLA_SUCCESS;
+ unsigned long dev_init_timeout;
+ struct qla_hw_data *ha = vha->hw;
+
+ qla82xx_idc_lock(ha);
+ if (!vha->flags.init_done)
+ qla82xx_set_drv_active(vha);
+
+ /* Set cold state*/
+ if (!PCI_FUNC(ha->pdev->devfn & 1)) {
+
+ /* Check if other functions alive, else set dev state
+ * to cold
+ */
+ drv_active = qla82xx_rd_32(ha, QLA82XX_CRB_DRV_ACTIVE);
+ drv_active &= ~(1 << (ha->portnum * 4));
+ drv_active &= ~(1 << ((ha->portnum + 1) * 4));
+
+ dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
+ if (!drv_active) {
+
+ switch (dev_state) {
+ case QLA82XX_DEV_COLD:
+ case QLA82XX_DEV_READY:
+ case QLA82XX_DEV_INITIALIZING:
+ case QLA82XX_DEV_NEED_RESET:
+ case QLA82XX_DEV_NEED_QUIESCENT:
+ case QLA82XX_DEV_QUIESCENT:
+ case QLA82XX_DEV_FAILED:
+ break;
+ default:
+ qla_printk(KERN_INFO, ha,
+ "No other function exist,"
+ " resetting dev state to COLD\n");
+ qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
+ QLA82XX_DEV_COLD);
+ break;
+ }
+ }
+ }
+
+ /* wait for 30 seconds for device to go ready */
+ dev_init_timeout = jiffies + (ha->nx_dev_init_timeout * HZ);
+
+ while (1) {
+
+ if (time_after_eq(jiffies, dev_init_timeout)) {
+ DEBUG(qla_printk(KERN_INFO, ha,
+ "%s: device init failed!\n",
+ QLA2XXX_DRIVER_NAME));
+ rval = QLA_FUNCTION_FAILED;
+ break;
+ }
+ dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
+ switch (dev_state) {
+ case QLA82XX_DEV_READY:
+ goto exit;
+ case QLA82XX_DEV_COLD:
+ rval = qla82xx_device_bootstrap(vha);
+ goto exit;
+ case QLA82XX_DEV_INITIALIZING:
+ qla82xx_idc_unlock(ha);
+ msleep(1000);
+ qla82xx_idc_lock(ha);
+ break;
+ case QLA82XX_DEV_NEED_RESET:
+ if (!ql2xdontresethba)
+ qla82xx_need_reset_handler(vha);
+ break;
+ case QLA82XX_DEV_NEED_QUIESCENT:
+ qla82xx_set_qsnt_ready(ha);
+ case QLA82XX_DEV_QUIESCENT:
+ qla82xx_idc_unlock(ha);
+ msleep(1000);
+ qla82xx_idc_lock(ha);
+ break;
+ case QLA82XX_DEV_FAILED:
+ qla82xx_dev_failed_handler(vha);
+ rval = QLA_FUNCTION_FAILED;
+ goto exit;
+ default:
+ qla82xx_idc_unlock(ha);
+ msleep(1000);
+ qla82xx_idc_lock(ha);
+ }
+ }
+exit:
+ qla82xx_idc_unlock(ha);
+ return rval;
+}
+
+void qla82xx_watchdog(scsi_qla_host_t *vha)
+{
+ uint32_t dev_state;
+ struct qla_hw_data *ha = vha->hw;
+
+ dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
+
+ /* don't poll if reset is going on */
+ if (!(test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
+ test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) ||
+ test_bit(ISP_ABORT_RETRY, &vha->dpc_flags))) {
+ if (dev_state == QLA82XX_DEV_NEED_RESET) {
+ qla_printk(KERN_WARNING, ha,
+ "%s(): Adapter reset needed!\n", __func__);
+ set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
+ qla2xxx_wake_dpc(vha);
+ } else {
+ qla82xx_check_fw_alive(vha);
+ }
+ }
+}
+
+int qla82xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr)
+{
+ int rval;
+ rval = qla82xx_device_state_handler(vha);
+ return rval;
+}
+
+/*
+ * qla82xx_abort_isp
+ * Resets ISP and aborts all outstanding commands.
+ *
+ * Input:
+ * ha = adapter block pointer.
+ *
+ * Returns:
+ * 0 = success
+ */
+int
+qla82xx_abort_isp(scsi_qla_host_t *vha)
+{
+ int rval;
+ struct qla_hw_data *ha = vha->hw;
+ uint32_t dev_state;
+
+ if (vha->device_flags & DFLG_DEV_FAILED) {
+ qla_printk(KERN_WARNING, ha,
+ "%s(%ld): Device in failed state, "
+ "Exiting.\n", __func__, vha->host_no);
+ return QLA_SUCCESS;
+ }
+
+ qla82xx_idc_lock(ha);
+ dev_state = qla82xx_rd_32(ha, QLA82XX_CRB_DEV_STATE);
+ if (dev_state != QLA82XX_DEV_INITIALIZING) {
+ qla_printk(KERN_INFO, ha, "HW State: NEED RESET\n");
+ qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
+ QLA82XX_DEV_NEED_RESET);
+ } else
+ qla_printk(KERN_INFO, ha, "HW State: DEVICE INITIALIZING\n");
+ qla82xx_idc_unlock(ha);
+
+ rval = qla82xx_device_state_handler(vha);
+
+ qla82xx_idc_lock(ha);
+ qla82xx_clear_rst_ready(ha);
+ qla82xx_idc_unlock(ha);
+
+ if (rval == QLA_SUCCESS)
+ qla82xx_restart_isp(vha);
+ return rval;
+}
+
+/*
+ * qla82xx_fcoe_ctx_reset
+ * Perform a quick reset and aborts all outstanding commands.
+ * This will only perform an FCoE context reset and avoids a full blown
+ * chip reset.
+ *
+ * Input:
+ * ha = adapter block pointer.
+ * is_reset_path = flag for identifying the reset path.
+ *
+ * Returns:
+ * 0 = success
+ */
+int qla82xx_fcoe_ctx_reset(scsi_qla_host_t *vha)
+{
+ int rval = QLA_FUNCTION_FAILED;
+
+ if (vha->flags.online) {
+ /* Abort all outstanding commands, so as to be requeued later */
+ qla2x00_abort_isp_cleanup(vha);
+ }
+
+ /* Stop currently executing firmware.
+ * This will destroy existing FCoE context at the F/W end.
+ */
+ qla2x00_try_to_stop_firmware(vha);
+
+ /* Restart. Creates a new FCoE context on INIT_FIRMWARE. */
+ rval = qla82xx_restart_isp(vha);
+
+ return rval;
+}
+
+/*
+ * qla2x00_wait_for_fcoe_ctx_reset
+ * Wait till the FCoE context is reset.
+ *
+ * Note:
+ * Does context switching here.
+ * Release SPIN_LOCK (if any) before calling this routine.
+ *
+ * Return:
+ * Success (fcoe_ctx reset is done) : 0
+ * Failed (fcoe_ctx reset not completed within max loop timout ) : 1
+ */
+int qla2x00_wait_for_fcoe_ctx_reset(scsi_qla_host_t *vha)
+{
+ int status = QLA_FUNCTION_FAILED;
+ unsigned long wait_reset;
+
+ wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ);
+ while ((test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) ||
+ test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))
+ && time_before(jiffies, wait_reset)) {
+
+ set_current_state(TASK_UNINTERRUPTIBLE);
+ schedule_timeout(HZ);
+
+ if (!test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) &&
+ !test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) {
+ status = QLA_SUCCESS;
+ break;
+ }
+ }
+ DEBUG2(printk(KERN_INFO
+ "%s status=%d\n", __func__, status));
+
+ return status;
+}