commit 6c91e9fa7cacd51f67c5b464d17bce1fb5dcf9a5
author Alexander Martinz <amartinz@shiftphones.com> Tue Jun 02 13:30:49 2020 +0200
committer Alexander Martinz <amartinz@shiftphones.com> Fri Jan 07 10:00:17 2022 +0100
tree 7f247429f20fb5d69878e379f8d4dcaebeae6135
parent d046e7da0b4db74f76a60c3e6df74fa21b6bd602

QcomModulePkg: allow retrieving oem partition guid

"oem" is a partition where device specific values are stored,
such as "serial number", "hardware revision", ...

This change allows retrieving the partition guid of "oem",
which will be used in future changes.

Change-Id: Ic0b70a312d22cc0eaaf4eaad50c2997de45a6e7d
Signed-off-by: Alexander Martinz <amartinz@shiftphones.com>

QcomModulePkg/Include/Library/LinuxLoaderLib.h

diff --git a/QcomModulePkg/Include/Library/LinuxLoaderLib.h b/QcomModulePkg/Include/Library/LinuxLoaderLib.h
index 1e34256..8690405 100644
--- a/QcomModulePkg/Include/Library/LinuxLoaderLib.h
+++ b/QcomModulePkg/Include/Library/LinuxLoaderLib.h
@@ -145,6 +145,9 @@
 ReadWriteDeviceInfo (vb_device_state_op_t Mode, void *DevInfo, UINT32 Sz);
 
 EFI_STATUS
+GetNandOemPartiGuid (EFI_GUID *Ptype);
+
+EFI_STATUS
 GetNandMiscPartiGuid (EFI_GUID *Ptype);
 /**
   Returns a list of BlkIo handles based on required criteria

QcomModulePkg/Library/BootLib/BootLib.inf

diff --git a/QcomModulePkg/Library/BootLib/BootLib.inf b/QcomModulePkg/Library/BootLib/BootLib.inf
index 317b40b..6f09d07 100755
--- a/QcomModulePkg/Library/BootLib/BootLib.inf
+++ b/QcomModulePkg/Library/BootLib/BootLib.inf
@@ -111,6 +111,7 @@
 	gEfiLogFSPartitionGuid
 	gEfiNandUserPartitionGuid
 	gEfiMiscPartitionGuid
+	gEfiOemPartitionGuid
 	gEfiRNGAlgRawGuid
 	gEfiUfsLU0Guid
 	gEfiUfsLU1Guid

QcomModulePkg/Library/BootLib/LinuxLoaderLib.c

diff --git a/QcomModulePkg/Library/BootLib/LinuxLoaderLib.c b/QcomModulePkg/Library/BootLib/LinuxLoaderLib.c
index 5d77f34..9159434 100644
--- a/QcomModulePkg/Library/BootLib/LinuxLoaderLib.c
+++ b/QcomModulePkg/Library/BootLib/LinuxLoaderLib.c
@@ -568,6 +568,30 @@
 }
 
 EFI_STATUS
+GetNandOemPartiGuid (EFI_GUID *Ptype)
+{
+  EFI_STATUS Status = EFI_INVALID_PARAMETER;
+  EFI_NAND_PARTI_GUID_PROTOCOL *NandPartiGuid;
+
+  Status = gBS->LocateProtocol (&gEfiNandPartiGuidProtocolGuid, NULL,
+                                (VOID **)&NandPartiGuid);
+  if (Status != EFI_SUCCESS) {
+    DEBUG ((EFI_D_ERROR, "Unable to locate NandPartiGuid protocol: %r.debug_x\n",
+                                Status));
+    return Status;
+  }
+
+  Status = NandPartiGuid->GenGuid (NandPartiGuid, (CONST CHAR16 *)L"oem",
+                                StrLen ((CONST CHAR16 *)L"oem"), Ptype);
+  if (Status != EFI_SUCCESS) {
+    DEBUG ((EFI_D_ERROR, "NandPartiGuid GenGuid failed with: %r\n", Status));
+    return Status;
+  }
+
+  return Status;
+}
+
+EFI_STATUS
 GetNandMiscPartiGuid (EFI_GUID *Ptype)
 {
   EFI_STATUS Status = EFI_INVALID_PARAMETER;

QcomModulePkg/QcomModulePkg.dec

diff --git a/QcomModulePkg/QcomModulePkg.dec b/QcomModulePkg/QcomModulePkg.dec
index 78460c5..d9c3c41 100644
--- a/QcomModulePkg/QcomModulePkg.dec
+++ b/QcomModulePkg/QcomModulePkg.dec
@@ -87,6 +87,7 @@
   gEfiMdtpPartitionGuid =               { 0x3878408A, 0xE263, 0x4B67, { 0xB8, 0x78, 0x63, 0x40, 0xB3, 0x5B, 0x11, 0xE3 } }
   gBlockIoRefreshGuid =                 { 0xb1eb3d10, 0x9d67, 0x40ca, { 0x95, 0x59, 0xf1, 0x48, 0x8b, 0x1b, 0x2d, 0xdb } }
   gEfiRNGAlgRawGuid =                   { 0xe43176d7, 0xb6e8, 0x4827, { 0xb7, 0x84, 0x7f, 0xfd, 0xc4, 0xb6, 0x85, 0x61 } }
+  gEfiOemPartitionGuid =                { 0x2EF88D0E, 0x0B34, 0xB6D1, { 0x52, 0x08, 0xC5, 0x59, 0x83, 0x86, 0xD1, 0xDF } }
 
 [Protocols]
   # SCM