[edk2-devel] [edk2-platforms: PATCH v3 8/9] WhitleyOpenBoardPkg: Support FSP 2.3 FSP_NON_VOLATILE_STORAGE_HOB2.
Nate DeSimone
nathaniel.l.desimone at intel.com
Mon Oct 11 21:46:58 UTC 2021
Reviewed-by: Nate DeSimone <nathaniel.l.desimone at intel.com>
> -----Original Message-----
> From: Chiu, Chasel <chasel.chiu at intel.com>
> Sent: Thursday, October 7, 2021 11:43 PM
> To: devel at edk2.groups.io
> Cc: Chiu, Chasel <chasel.chiu at intel.com>; Oram, Isaac W
> <isaac.w.oram at intel.com>; Desimone, Nathaniel L
> <nathaniel.l.desimone at intel.com>
> Subject: [edk2-platforms: PATCH v3 8/9] WhitleyOpenBoardPkg: Support FSP
> 2.3 FSP_NON_VOLATILE_STORAGE_HOB2.
>
> REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3678
>
> Implementation should search FSP_NON_VOLATILE_STORAGE_HOB2 firstly
> and only search FSP_NON_VOLATILE_STORAGE_HOB when former one is
> not found.
>
> Also added PeiGetLargeVariable () to support the scenarios where the
> variable data size is bigger than a single variable size limit.
>
> Cc: Isaac Oram <isaac.w.oram at intel.com>
> Cc: Nate DeSimone <nathaniel.l.desimone at intel.com>
> Signed-off-by: Chasel Chiu <chasel.chiu at intel.com>
> ---
>
> Platform/Intel/WhitleyOpenBoardPkg/Platform/Dxe/S3NvramSave/S3Nvra
> mSave.c | 29 +++++++++++++++++++++++------
>
> Platform/Intel/WhitleyOpenBoardPkg/Platform/Dxe/S3NvramSave/S3Nvra
> mSave.inf | 4 +++-
> Platform/Intel/WhitleyOpenBoardPkg/PlatformPkg.dsc | 1 +
> 3 files changed, 27 insertions(+), 7 deletions(-)
>
> diff --git
> a/Platform/Intel/WhitleyOpenBoardPkg/Platform/Dxe/S3NvramSave/S3Nvr
> amSave.c
> b/Platform/Intel/WhitleyOpenBoardPkg/Platform/Dxe/S3NvramSave/S3Nvr
> amSave.c
> index 709c7ad479..01e36cda27 100644
> ---
> a/Platform/Intel/WhitleyOpenBoardPkg/Platform/Dxe/S3NvramSave/S3Nvr
> amSave.c
> +++
> b/Platform/Intel/WhitleyOpenBoardPkg/Platform/Dxe/S3NvramSave/S3Nvr
> a
> +++ mSave.c
> @@ -7,6 +7,7 @@
> **/ #include "S3NvramSave.h"+#include
> <Guid/FspNonVolatileStorageHob2.h> #include
> <Library/MemoryAllocationLib.h> #include <Library/LargeVariableReadLib.h>
> #include <Library/LargeVariableWriteLib.h>@@ -80,21 +81,37 @@
> SaveFspNonVolatileStorageHob (
> Status = EFI_SUCCESS; DEBUG ((DEBUG_INFO, "Saving FSP / MRC
> Training Data\n"));- GuidHob = GetFirstGuidHob
> (&gFspNonVolatileStorageHobGuid);+ //+ // Firstly check version2
> FspNvsHob.+ //+ GuidHob = GetFirstGuidHob
> (&gFspNonVolatileStorageHob2Guid); if (GuidHob != NULL) {- HobData =
> GET_GUID_HOB_DATA (GuidHob);- DataSize =
> GET_GUID_HOB_DATA_SIZE (GuidHob);+ HobData = (VOID *) (UINTN)
> ((FSP_NON_VOLATILE_STORAGE_HOB2 *) (UINTN) GuidHob)->NvsDataPtr;+
> DataSize = (UINTN) ((FSP_NON_VOLATILE_STORAGE_HOB2 *) (UINTN)
> GuidHob)->NvsDataLength;+ } else {+ //+ // Fall back to version1
> FspNvsHob+ //+ GuidHob = GetFirstGuidHob
> (&gFspNonVolatileStorageHobGuid);+ if (GuidHob != NULL) {+ HobData
> = GET_GUID_HOB_DATA (GuidHob);+ DataSize =
> GET_GUID_HOB_DATA_SIZE (GuidHob);+ }+ }+ if (HobData != NULL) {+
> DEBUG ((DEBUG_INFO, "FspNvsHob.Size: %d\n", DataSize));+ DEBUG
> ((DEBUG_INFO, "FspNvsHob.NvsDataPtr: 0x%x\n", HobData)); if (DataSize
> > 0) { // // Check if the presently saved data is identical to the data
> given by MRC/FSP //- Status = GetLargeVariable (L"FspNvsBuffer",
> &gFspNonVolatileStorageHobGuid, &FspNvsBufferSize, NULL);+ Status =
> GetLargeVariable (L"FspNvsBuffer", &gFspNvsBufferVariableGuid,
> &FspNvsBufferSize, NULL); if (Status == EFI_BUFFER_TOO_SMALL) { if
> (FspNvsBufferSize == DataSize) { VariableData = AllocatePool
> (FspNvsBufferSize); if (VariableData != NULL) {- Status =
> GetLargeVariable (L"FspNvsBuffer", &gFspNonVolatileStorageHobGuid,
> &FspNvsBufferSize, VariableData);+ Status = GetLargeVariable
> (L"FspNvsBuffer", &gFspNvsBufferVariableGuid, &FspNvsBufferSize,
> VariableData); if (!EFI_ERROR (Status) && (FspNvsBufferSize ==
> DataSize) && (0 == CompareMem (HobData, VariableData, DataSize))) {
> DataIsIdentical = TRUE; }@@ -105,7 +122,7 @@
> SaveFspNonVolatileStorageHob (
> Status = EFI_SUCCESS; if (!DataIsIdentical) {- Status =
> SetLargeVariable (L"FspNvsBuffer", &gFspNonVolatileStorageHobGuid,
> TRUE, DataSize, HobData);+ Status = SetLargeVariable (L"FspNvsBuffer",
> &gFspNvsBufferVariableGuid, TRUE, DataSize, HobData);
> ASSERT_EFI_ERROR (Status); DEBUG ((DEBUG_INFO, "Saved size of FSP /
> MRC Training Data: 0x%x\n", DataSize)); } else {diff --git
> a/Platform/Intel/WhitleyOpenBoardPkg/Platform/Dxe/S3NvramSave/S3Nvr
> amSave.inf
> b/Platform/Intel/WhitleyOpenBoardPkg/Platform/Dxe/S3NvramSave/S3Nvr
> amSave.inf
> index e62baa24c4..a77125cf44 100644
> ---
> a/Platform/Intel/WhitleyOpenBoardPkg/Platform/Dxe/S3NvramSave/S3Nvr
> amSave.inf
> +++
> b/Platform/Intel/WhitleyOpenBoardPkg/Platform/Dxe/S3NvramSave/S3Nvr
> a
> +++ mSave.inf
> @@ -43,7 +43,9 @@
> LargeVariableWriteLib [Guids]- gFspNonVolatileStorageHobGuid #
> CONSUMES+ gFspNonVolatileStorageHobGuid # CONSUMES+
> gFspNonVolatileStorageHob2Guid # CONSUMES+
> gFspNvsBufferVariableGuid # PRODUCES [Pcd]
> gEfiCpRcPkgTokenSpaceGuid.PcdPeiSyshostMemorySizediff --git
> a/Platform/Intel/WhitleyOpenBoardPkg/PlatformPkg.dsc
> b/Platform/Intel/WhitleyOpenBoardPkg/PlatformPkg.dsc
> index dc3dd0e026..87165103bf 100644
> --- a/Platform/Intel/WhitleyOpenBoardPkg/PlatformPkg.dsc
> +++ b/Platform/Intel/WhitleyOpenBoardPkg/PlatformPkg.dsc
> @@ -637,6 +637,7 @@
> [LibraryClasses.Common]
> DebugLib|MdePkg/Library/BaseDebugLibSerialPort/BaseDebugLibSerialPort.
> inf+ PeiLib|MinPlatformPkg/Library/PeiLib/PeiLib.inf [Components.IA32]
> UefiCpuPkg/SecCore/SecCore.inf--
> 2.28.0.windows.1
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