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From: "Wu, Hao A" <hao.a.wu@intel.com>
To: "devel@edk2.groups.io" <devel@edk2.groups.io>,
	"mikuback@linux.microsoft.com" <mikuback@linux.microsoft.com>
Cc: "Wang, Jian J" <jian.j.wang@intel.com>,
	"Gao, Liming" <gaoliming@byosoft.com.cn>
Subject: Re: [edk2-devel] [PATCH v1 3/3] MdeModulePkg/FaultTolerantWrite: Consume Variable Info HOB
Date: Thu, 7 Apr 2022 03:31:56 +0000	[thread overview]
Message-ID: <DM6PR11MB4025CBAD061BD8758DF5E3CECAE69@DM6PR11MB4025.namprd11.prod.outlook.com> (raw)
In-Reply-To: <20220406162648.234-4-mikuback@linux.microsoft.com>

Two minor inline comments:


> -----Original Message-----
> From: devel@edk2.groups.io <devel@edk2.groups.io> On Behalf Of Michael
> Kubacki
> Sent: Thursday, April 7, 2022 12:27 AM
> To: devel@edk2.groups.io
> Cc: Wang, Jian J <jian.j.wang@intel.com>; Wu, Hao A <hao.a.wu@intel.com>;
> Gao, Liming <gaoliming@byosoft.com.cn>
> Subject: [edk2-devel] [PATCH v1 3/3] MdeModulePkg/FaultTolerantWrite:
> Consume Variable Info HOB
> 
> From: Michael Kubacki <michael.kubacki@microsoft.com>
> 
> REF:https://bugzilla.tianocore.org/show_bug.cgi?id=3479
> 
> Adds support to the UEFI variable fault tolerant write (FTW) drivers
> to receive FTW base and size information dynamically via the Variable
> Flash Information HOB.
> 
> This supplements support added earlier for the variable store base
> address and size passed with the Variable Flash Information HOB.
> 
> Cc: Jian J Wang <jian.j.wang@intel.com>
> Cc: Hao A Wu <hao.a.wu@intel.com>
> Cc: Liming Gao <gaoliming@byosoft.com.cn>
> Signed-off-by: Michael Kubacki <michael.kubacki@microsoft.com>
> ---
>  MdeModulePkg/Universal/FaultTolerantWriteDxe/FtwMisc.c                          |
> 111 +++++++++++++++++---
>  MdeModulePkg/Universal/FaultTolerantWriteDxe/UpdateWorkingBlock.c
> |   7 +-
>  MdeModulePkg/Universal/FaultTolerantWritePei/FaultTolerantWritePei.c
> |  92 ++++++++++++++--
>  MdeModulePkg/Universal/FaultTolerantWriteDxe/FaultTolerantWrite.h
> |   9 +-
>  MdeModulePkg/Universal/FaultTolerantWriteDxe/FaultTolerantWriteDxe.inf
> |  11 +-
>  MdeModulePkg/Universal/FaultTolerantWriteDxe/FaultTolerantWriteSmm.inf
> |  11 +-
> 
> MdeModulePkg/Universal/FaultTolerantWriteDxe/FaultTolerantWriteStandalon
> eMm.inf |  11 +-
>  MdeModulePkg/Universal/FaultTolerantWritePei/FaultTolerantWritePei.inf
> |  10 +-
>  8 files changed, 221 insertions(+), 41 deletions(-)
> 
> diff --git a/MdeModulePkg/Universal/FaultTolerantWriteDxe/FtwMisc.c
> b/MdeModulePkg/Universal/FaultTolerantWriteDxe/FtwMisc.c
> index 661e1487673b..5066fe0d3711 100644
> --- a/MdeModulePkg/Universal/FaultTolerantWriteDxe/FtwMisc.c
> +++ b/MdeModulePkg/Universal/FaultTolerantWriteDxe/FtwMisc.c
> @@ -972,6 +972,48 @@ GetPreviousRecordOfWrites (
>    return EFI_SUCCESS;
>  }
> 
> +/**
> +  Get the HOB that contains variable flash information.
> +
> +  @param[out] VariableFlashInfo   Pointer to a pointer to set to the variable
> flash information structure.
> +
> +  @retval EFI_SUCCESS             Variable flash information was found successfully.
> +  @retval EFI_INVALID_PARAMETER   The VariableFlashInfo pointer given is
> NULL.
> +  @retval EFI_NOT_FOUND           Variable flash information could not be found.
> +
> +**/
> +EFI_STATUS
> +GetVariableFlashInfo (
> +  OUT VARIABLE_FLASH_INFO  **VariableFlashInfo
> +  )
> +{
> +  EFI_HOB_GUID_TYPE  *GuidHob;
> +
> +  if (VariableFlashInfo == NULL) {
> +    return EFI_INVALID_PARAMETER;
> +  }
> +
> +  GuidHob = GetFirstGuidHob (&gVariableFlashInfoHobGuid);
> +  if (GuidHob == NULL) {
> +    return EFI_NOT_FOUND;
> +  }
> +
> +  *VariableFlashInfo = GET_GUID_HOB_DATA (GuidHob);
> +
> +  //
> +  // Assert if more than one variable flash information HOB is present.
> +  //
> +  DEBUG_CODE (
> +    if ((GetNextGuidHob (&gVariableFlashInfoHobGuid, GET_NEXT_HOB
> (GuidHob)) != NULL)) {
> +    DEBUG ((DEBUG_ERROR, "ERROR: Found two variable flash information
> HOBs\n"));
> +    ASSERT (FALSE);
> +  }
> +
> +    );
> +
> +  return EFI_SUCCESS;
> +}
> +
>  /**
>    Allocate private data for FTW driver and initialize it.
> 
> @@ -987,22 +1029,71 @@ InitFtwDevice (
>    OUT EFI_FTW_DEVICE  **FtwData
>    )
>  {
> -  EFI_FTW_DEVICE  *FtwDevice;
> +  EFI_STATUS           Status;
> +  EFI_STATUS           VariableFlashInfoStatus;
> +  UINTN                FtwWorkingSize;
> +  VARIABLE_FLASH_INFO  *VariableFlashInfo;
> +  EFI_FTW_DEVICE       *FtwDevice;
> +
> +  FtwWorkingSize          = 0;
> +  VariableFlashInfoStatus = GetVariableFlashInfo (&VariableFlashInfo);
> +  if (!EFI_ERROR (VariableFlashInfoStatus)) {
> +    Status = SafeUint64ToUintn (VariableFlashInfo->FtwWorkingLength,
> &FtwWorkingSize);
> +    if (EFI_ERROR (Status)) {
> +      ASSERT_EFI_ERROR (Status);
> +      FtwWorkingSize = 0;
> +    }
> +  }
> +
> +  if (FtwWorkingSize == 0) {
> +    FtwWorkingSize = (UINTN)PcdGet32 (PcdFlashNvStorageFtwWorkingSize);
> +  }
> 
>    //
>    // Allocate private data of this driver,
>    // Including the FtwWorkSpace[FTW_WORK_SPACE_SIZE].
>    //
> -  FtwDevice = AllocateZeroPool (sizeof (EFI_FTW_DEVICE) + PcdGet32
> (PcdFlashNvStorageFtwWorkingSize));
> +  FtwDevice = AllocateZeroPool (sizeof (EFI_FTW_DEVICE) + FtwWorkingSize);
>    if (FtwDevice == NULL) {
>      return EFI_OUT_OF_RESOURCES;
>    }
> 
> +  FtwDevice->WorkSpaceLength = FtwWorkingSize;
> +
> +  if (!EFI_ERROR (VariableFlashInfoStatus)) {
> +    // This driver currently assumes the size will be UINT32 so only accept


"the size will be UINT32", UINTN to be more precise.


> +    // that for now.
> +    Status = SafeUint64ToUintn (VariableFlashInfo->FtwSpareLength,
> &FtwDevice->SpareAreaLength);
> +    if (EFI_ERROR (Status)) {
> +      ASSERT_EFI_ERROR (Status);
> +      FtwDevice->SpareAreaLength = 0;
> +    }
> +
> +    FtwDevice->SpareAreaAddress = VariableFlashInfo->FtwSpareBaseAddress;
> +    FtwDevice->WorkSpaceAddress = VariableFlashInfo-
> >FtwWorkingBaseAddress;
> +  }
> +
> +  if (FtwDevice->SpareAreaLength == 0) {
> +    FtwDevice->SpareAreaLength = (UINTN)PcdGet32
> (PcdFlashNvStorageFtwSpareSize);
> +  }
> +
> +  if (FtwDevice->SpareAreaAddress == 0) {
> +    FtwDevice->SpareAreaAddress = (EFI_PHYSICAL_ADDRESS)PcdGet64
> (PcdFlashNvStorageFtwSpareBase64);
> +    if (FtwDevice->SpareAreaAddress == 0) {
> +      FtwDevice->SpareAreaAddress = (EFI_PHYSICAL_ADDRESS)PcdGet32
> (PcdFlashNvStorageFtwSpareBase);
> +    }
> +  }
> +
> +  if (FtwDevice->WorkSpaceAddress == 0) {
> +    FtwDevice->WorkSpaceAddress = (EFI_PHYSICAL_ADDRESS)PcdGet64
> (PcdFlashNvStorageFtwWorkingBase64);
> +    if (FtwDevice->WorkSpaceAddress == 0) {
> +      FtwDevice->WorkSpaceAddress = (EFI_PHYSICAL_ADDRESS)PcdGet32
> (PcdFlashNvStorageFtwWorkingBase);
> +    }
> +  }
> +
>    //
>    // Initialize other parameters, and set WorkSpace as FTW_ERASED_BYTE.
>    //
> -  FtwDevice->WorkSpaceLength = (UINTN)PcdGet32
> (PcdFlashNvStorageFtwWorkingSize);
> -  FtwDevice->SpareAreaLength = (UINTN)PcdGet32
> (PcdFlashNvStorageFtwSpareSize);
>    if ((FtwDevice->WorkSpaceLength == 0) || (FtwDevice->SpareAreaLength == 0))
> {
>      DEBUG ((DEBUG_ERROR, "Ftw: Workspace or Spare block does not exist!\n"));
>      FreePool (FtwDevice);
> @@ -1015,16 +1106,6 @@ InitFtwDevice (
>    FtwDevice->FtwWorkSpaceLba = (EFI_LBA)(-1);
>    FtwDevice->FtwSpareLba     = (EFI_LBA)(-1);
> 
> -  FtwDevice->WorkSpaceAddress = (EFI_PHYSICAL_ADDRESS)PcdGet64
> (PcdFlashNvStorageFtwWorkingBase64);
> -  if (FtwDevice->WorkSpaceAddress == 0) {
> -    FtwDevice->WorkSpaceAddress = (EFI_PHYSICAL_ADDRESS)PcdGet32
> (PcdFlashNvStorageFtwWorkingBase);
> -  }
> -
> -  FtwDevice->SpareAreaAddress = (EFI_PHYSICAL_ADDRESS)PcdGet64
> (PcdFlashNvStorageFtwSpareBase64);
> -  if (FtwDevice->SpareAreaAddress == 0) {
> -    FtwDevice->SpareAreaAddress = (EFI_PHYSICAL_ADDRESS)PcdGet32
> (PcdFlashNvStorageFtwSpareBase);
> -  }
> -
>    *FtwData = FtwDevice;
>    return EFI_SUCCESS;
>  }
> @@ -1277,7 +1358,7 @@ InitFtwProtocol (
>    FtwDevice->FtwLastWriteHeader = NULL;
>    FtwDevice->FtwLastWriteRecord = NULL;
> 
> -  InitializeLocalWorkSpaceHeader ();
> +  InitializeLocalWorkSpaceHeader (FtwDevice->WorkSpaceLength);
> 
>    //
>    // Refresh the working space data from working block
> diff --git
> a/MdeModulePkg/Universal/FaultTolerantWriteDxe/UpdateWorkingBlock.c
> b/MdeModulePkg/Universal/FaultTolerantWriteDxe/UpdateWorkingBlock.c
> index 61e7a92ccea1..fd563643eb63 100644
> --- a/MdeModulePkg/Universal/FaultTolerantWriteDxe/UpdateWorkingBlock.c
> +++ b/MdeModulePkg/Universal/FaultTolerantWriteDxe/UpdateWorkingBlock.c
> @@ -16,10 +16,13 @@ EFI_FAULT_TOLERANT_WORKING_BLOCK_HEADER
> mWorkingBlockHeader = { ZERO_GUID, 0, 0
> 
>    Since Signature and WriteQueueSize have been known, Crc can be calculated
> out,
>    then the work space header will be fixed.
> +
> +  @param[in]  WorkSpaceLength     Length in bytes of the FTW workspace area.
> +
>  **/
>  VOID
>  InitializeLocalWorkSpaceHeader (
> -  VOID
> +  IN  UINTN  WorkSpaceLength
>    )
>  {
>    //
> @@ -46,7 +49,7 @@ InitializeLocalWorkSpaceHeader (
>      &gEdkiiWorkingBlockSignatureGuid,
>      sizeof (EFI_GUID)
>      );
> -  mWorkingBlockHeader.WriteQueueSize = PcdGet32
> (PcdFlashNvStorageFtwWorkingSize) - sizeof
> (EFI_FAULT_TOLERANT_WORKING_BLOCK_HEADER);
> +  mWorkingBlockHeader.WriteQueueSize = WorkSpaceLength - sizeof
> (EFI_FAULT_TOLERANT_WORKING_BLOCK_HEADER);
> 
>    //
>    // Crc is calculated with all the fields except Crc and STATE, so leave them as
> FTW_ERASED_BYTE.
> diff --git
> a/MdeModulePkg/Universal/FaultTolerantWritePei/FaultTolerantWritePei.c
> b/MdeModulePkg/Universal/FaultTolerantWritePei/FaultTolerantWritePei.c
> index 15543f12ed29..7abf8f72d569 100644
> --- a/MdeModulePkg/Universal/FaultTolerantWritePei/FaultTolerantWritePei.c
> +++ b/MdeModulePkg/Universal/FaultTolerantWritePei/FaultTolerantWritePei.c
> @@ -11,11 +11,13 @@ SPDX-License-Identifier: BSD-2-Clause-Patent
> 
>  #include <Guid/SystemNvDataGuid.h>
>  #include <Guid/FaultTolerantWrite.h>
> +#include <Guid/VariableFlashInfo.h>
>  #include <Library/PeiServicesLib.h>
>  #include <Library/PcdLib.h>
>  #include <Library/DebugLib.h>
>  #include <Library/BaseMemoryLib.h>
>  #include <Library/HobLib.h>
> +#include <Library/SafeIntLib.h>
> 
>  EFI_PEI_PPI_DESCRIPTOR  mPpiListVariable = {
>    (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
> @@ -186,6 +188,48 @@ IsValidWorkSpace (
>    return TRUE;
>  }
> 
> +/**
> +  Get the HOB that contains variable flash information.
> +
> +  @param[out] VariableFlashInfo   Pointer to a pointer to set to the variable
> flash information structure.
> +
> +  @retval EFI_SUCCESS             Variable flash information was found successfully.
> +  @retval EFI_INVALID_PARAMETER   The VariableFlashInfo pointer given is
> NULL.
> +  @retval EFI_NOT_FOUND           Variable flash information could not be found.
> +
> +**/
> +EFI_STATUS
> +GetVariableFlashInfo (
> +  OUT VARIABLE_FLASH_INFO  **VariableFlashInfo
> +  )
> +{
> +  EFI_HOB_GUID_TYPE  *GuidHob;
> +
> +  if (VariableFlashInfo == NULL) {
> +    return EFI_INVALID_PARAMETER;
> +  }
> +
> +  GuidHob = GetFirstGuidHob (&gVariableFlashInfoHobGuid);
> +  if (GuidHob == NULL) {
> +    return EFI_NOT_FOUND;
> +  }
> +
> +  *VariableFlashInfo = GET_GUID_HOB_DATA (GuidHob);
> +
> +  //
> +  // Assert if more than one variable flash information HOB is present.
> +  //
> +  DEBUG_CODE (
> +    if ((GetNextGuidHob (&gVariableFlashInfoHobGuid, GET_NEXT_HOB
> (GuidHob)) != NULL)) {
> +    DEBUG ((DEBUG_ERROR, "ERROR: Found two variable flash information
> HOBs\n"));
> +    ASSERT (FALSE);
> +  }
> +
> +    );
> +
> +  return EFI_SUCCESS;
> +}
> +
>  /**
>    Main entry for Fault Tolerant Write PEIM.
> 
> @@ -207,6 +251,7 @@ PeimFaultTolerantWriteInitialize (
>    EFI_FAULT_TOLERANT_WORKING_BLOCK_HEADER  *FtwWorkingBlockHeader;
>    EFI_FAULT_TOLERANT_WRITE_HEADER          *FtwLastWriteHeader;
>    EFI_FAULT_TOLERANT_WRITE_RECORD          *FtwLastWriteRecord;
> +  VARIABLE_FLASH_INFO                      *VariableFlashInfo;
>    EFI_PHYSICAL_ADDRESS                     WorkSpaceAddress;
>    UINTN                                    WorkSpaceLength;
>    EFI_PHYSICAL_ADDRESS                     SpareAreaAddress;
> @@ -218,19 +263,52 @@ PeimFaultTolerantWriteInitialize (
>    FtwLastWriteHeader    = NULL;
>    FtwLastWriteRecord    = NULL;
> 
> -  WorkSpaceAddress = (EFI_PHYSICAL_ADDRESS)PcdGet64
> (PcdFlashNvStorageFtwWorkingBase64);
> -  if (WorkSpaceAddress == 0) {
> -    WorkSpaceAddress = (EFI_PHYSICAL_ADDRESS)PcdGet32
> (PcdFlashNvStorageFtwWorkingBase);
> +  SpareAreaAddress = 0;
> +  SpareAreaLength  = 0;
> +  WorkSpaceAddress = 0;
> +  WorkSpaceLength  = 0;
> +
> +  Status = GetVariableFlashInfo (&VariableFlashInfo);
> +  if (!EFI_ERROR (Status)) {
> +    // This driver currently assumes the size will be UINT32 so only accept


"the size will be UINT32", UINTN to be more precise.

Best Regards,
Hao Wu


> +    // that for now.
> +    Status = SafeUint64ToUintn (VariableFlashInfo->FtwSpareLength,
> &SpareAreaLength);
> +    if (EFI_ERROR (Status)) {
> +      ASSERT_EFI_ERROR (Status);
> +      SpareAreaLength = 0;
> +    }
> +
> +    Status = SafeUint64ToUintn (VariableFlashInfo->FtwWorkingLength,
> &WorkSpaceLength);
> +    if (EFI_ERROR (Status)) {
> +      ASSERT_EFI_ERROR (Status);
> +      WorkSpaceLength = 0;
> +    }
> +
> +    SpareAreaAddress = VariableFlashInfo->FtwSpareBaseAddress;
> +    WorkSpaceAddress = VariableFlashInfo->FtwWorkingBaseAddress;
>    }
> 
> -  WorkSpaceLength = (UINTN)PcdGet32 (PcdFlashNvStorageFtwWorkingSize);
> +  if (SpareAreaLength == 0) {
> +    SpareAreaLength = (UINTN)PcdGet32 (PcdFlashNvStorageFtwSpareSize);
> +  }
> +
> +  if (WorkSpaceLength == 0) {
> +    WorkSpaceLength = (UINTN)PcdGet32 (PcdFlashNvStorageFtwWorkingSize);
> +  }
> 
> -  SpareAreaAddress = (EFI_PHYSICAL_ADDRESS)PcdGet64
> (PcdFlashNvStorageFtwSpareBase64);
>    if (SpareAreaAddress == 0) {
> -    SpareAreaAddress = (EFI_PHYSICAL_ADDRESS)PcdGet32
> (PcdFlashNvStorageFtwSpareBase);
> +    SpareAreaAddress = (EFI_PHYSICAL_ADDRESS)PcdGet64
> (PcdFlashNvStorageFtwSpareBase64);
> +    if (SpareAreaAddress == 0) {
> +      SpareAreaAddress = (EFI_PHYSICAL_ADDRESS)PcdGet32
> (PcdFlashNvStorageFtwSpareBase);
> +    }
>    }
> 
> -  SpareAreaLength = (UINTN)PcdGet32 (PcdFlashNvStorageFtwSpareSize);
> +  if (WorkSpaceAddress == 0) {
> +    WorkSpaceAddress = (EFI_PHYSICAL_ADDRESS)PcdGet64
> (PcdFlashNvStorageFtwWorkingBase64);
> +    if (WorkSpaceAddress == 0) {
> +      WorkSpaceAddress = (EFI_PHYSICAL_ADDRESS)PcdGet32
> (PcdFlashNvStorageFtwWorkingBase);
> +    }
> +  }
> 
>    //
>    // The address of FTW working base and spare base must not be 0.
> diff --git
> a/MdeModulePkg/Universal/FaultTolerantWriteDxe/FaultTolerantWrite.h
> b/MdeModulePkg/Universal/FaultTolerantWriteDxe/FaultTolerantWrite.h
> index c14e47b5c7b2..40ef44c069eb 100644
> --- a/MdeModulePkg/Universal/FaultTolerantWriteDxe/FaultTolerantWrite.h
> +++ b/MdeModulePkg/Universal/FaultTolerantWriteDxe/FaultTolerantWrite.h
> @@ -14,11 +14,14 @@ SPDX-License-Identifier: BSD-2-Clause-Patent
>  #include <PiDxe.h>
> 
>  #include <Guid/SystemNvDataGuid.h>
> +#include <Guid/VariableFlashInfo.h>
>  #include <Guid/ZeroGuid.h>
>  #include <Protocol/FaultTolerantWrite.h>
>  #include <Protocol/FirmwareVolumeBlock.h>
>  #include <Protocol/SwapAddressRange.h>
> 
> +#include <Library/HobLib.h>
> +#include <Library/SafeIntLib.h>
>  #include <Library/PcdLib.h>
>  #include <Library/DebugLib.h>
>  #include <Library/UefiLib.h>
> @@ -706,12 +709,16 @@ InitFtwProtocol (
>  /**
>    Initialize a local work space header.
> 
> +
>    Since Signature and WriteQueueSize have been known, Crc can be calculated
> out,
>    then the work space header will be fixed.
> +
> +  @param[in]  WorkSpaceLength     Length in bytes of the FTW workspace area.
> +
>  **/
>  VOID
>  InitializeLocalWorkSpaceHeader (
> -  VOID
> +  IN  UINTN  WorkSpaceLength
>    );
> 
>  /**
> diff --git
> a/MdeModulePkg/Universal/FaultTolerantWriteDxe/FaultTolerantWriteDxe.inf
> b/MdeModulePkg/Universal/FaultTolerantWriteDxe/FaultTolerantWriteDxe.inf
> index 96165614d178..923f0231a047 100644
> ---
> a/MdeModulePkg/Universal/FaultTolerantWriteDxe/FaultTolerantWriteDxe.inf
> +++
> b/MdeModulePkg/Universal/FaultTolerantWriteDxe/FaultTolerantWriteDxe.inf
> @@ -46,6 +46,8 @@ [LibraryClasses]
>    UefiLib
>    PcdLib
>    ReportStatusCodeLib
> +  HobLib
> +  SafeIntLib
> 
>  [Guids]
>    #
> @@ -54,6 +56,7 @@ [Guids]
>    ## CONSUMES           ## GUID
>    ## PRODUCES           ## GUID
>    gEdkiiWorkingBlockSignatureGuid
> +  gVariableFlashInfoHobGuid       ## CONSUMES   ## HOB
> 
>  [Protocols]
>    gEfiSwapAddressRangeProtocolGuid |
> gEfiMdeModulePkgTokenSpaceGuid.PcdFullFtwServiceEnable ##
> SOMETIMES_CONSUMES
> @@ -67,11 +70,11 @@ [FeaturePcd]
> 
>  [Pcd]
>    gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwWorkingBase    ##
> SOMETIMES_CONSUMES
> -  gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwWorkingBase64
> ## CONSUMES
> -  gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwWorkingSize    ##
> CONSUMES
> +  gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwWorkingBase64
> ## SOMETIMES_CONSUMES
> +  gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwWorkingSize    ##
> SOMETIMES_CONSUMES
>    gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwSpareBase      ##
> SOMETIMES_CONSUMES
> -  gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwSpareBase64    ##
> CONSUMES
> -  gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwSpareSize      ##
> CONSUMES
> +  gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwSpareBase64    ##
> SOMETIMES_CONSUMES
> +  gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwSpareSize      ##
> SOMETIMES_CONSUMES
> 
>  #
>  # gBS->CalculateCrc32() is consumed in EntryPoint.
> diff --git
> a/MdeModulePkg/Universal/FaultTolerantWriteDxe/FaultTolerantWriteSmm.inf
> b/MdeModulePkg/Universal/FaultTolerantWriteDxe/FaultTolerantWriteSmm.inf
> index 8cc6028470d8..bbed17e4b611 100644
> ---
> a/MdeModulePkg/Universal/FaultTolerantWriteDxe/FaultTolerantWriteSmm.inf
> +++
> b/MdeModulePkg/Universal/FaultTolerantWriteDxe/FaultTolerantWriteSmm.inf
> @@ -52,6 +52,8 @@ [LibraryClasses]
>    ReportStatusCodeLib
>    SmmMemLib
>    BaseLib
> +  HobLib
> +  SafeIntLib
> 
>  [Guids]
>    #
> @@ -60,6 +62,7 @@ [Guids]
>    ## CONSUMES           ## GUID
>    ## PRODUCES           ## GUID
>    gEdkiiWorkingBlockSignatureGuid
> +  gVariableFlashInfoHobGuid       ## CONSUMES   ## HOB
> 
>  [Protocols]
>    gEfiSmmSwapAddressRangeProtocolGuid |
> gEfiMdeModulePkgTokenSpaceGuid.PcdFullFtwServiceEnable  ##
> SOMETIMES_CONSUMES
> @@ -76,11 +79,11 @@ [FeaturePcd]
> 
>  [Pcd]
>    gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwWorkingBase    ##
> SOMETIMES_CONSUMES
> -  gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwWorkingBase64
> ## CONSUMES
> -  gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwWorkingSize    ##
> CONSUMES
> +  gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwWorkingBase64
> ## SOMETIMES_CONSUMES
> +  gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwWorkingSize    ##
> SOMETIMES_CONSUMES
>    gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwSpareBase      ##
> SOMETIMES_CONSUMES
> -  gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwSpareBase64    ##
> CONSUMES
> -  gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwSpareSize      ##
> CONSUMES
> +  gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwSpareBase64    ##
> SOMETIMES_CONSUMES
> +  gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwSpareSize      ##
> SOMETIMES_CONSUMES
> 
>  #
>  # gBS->CalculateCrc32() is consumed in EntryPoint.
> diff --git
> a/MdeModulePkg/Universal/FaultTolerantWriteDxe/FaultTolerantWriteStandal
> oneMm.inf
> b/MdeModulePkg/Universal/FaultTolerantWriteDxe/FaultTolerantWriteStandal
> oneMm.inf
> index d0fab7d9414f..0b394b04da7b 100644
> ---
> a/MdeModulePkg/Universal/FaultTolerantWriteDxe/FaultTolerantWriteStandal
> oneMm.inf
> +++
> b/MdeModulePkg/Universal/FaultTolerantWriteDxe/FaultTolerantWriteStandal
> oneMm.inf
> @@ -46,10 +46,12 @@ [LibraryClasses]
>    BaseLib
>    BaseMemoryLib
>    DebugLib
> +  HobLib
>    MemoryAllocationLib
>    MmServicesTableLib
>    PcdLib
>    ReportStatusCodeLib
> +  SafeIntLib
>    StandaloneMmDriverEntryPoint
> 
>  [Guids]
> @@ -59,6 +61,7 @@ [Guids]
>    ## CONSUMES           ## GUID
>    ## PRODUCES           ## GUID
>    gEdkiiWorkingBlockSignatureGuid
> +  gVariableFlashInfoHobGuid       ## CONSUMES   ## HOB
> 
>  [Protocols]
>    gEfiSmmSwapAddressRangeProtocolGuid |
> gEfiMdeModulePkgTokenSpaceGuid.PcdFullFtwServiceEnable  ##
> SOMETIMES_CONSUMES
> @@ -75,11 +78,11 @@ [FeaturePcd]
> 
>  [Pcd]
>    gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwWorkingBase    ##
> SOMETIMES_CONSUMES
> -  gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwWorkingBase64
> ## CONSUMES
> -  gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwWorkingSize    ##
> CONSUMES
> +  gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwWorkingBase64
> ## SOMETIMES_CONSUMES
> +  gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwWorkingSize    ##
> SOMETIMES_CONSUMES
>    gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwSpareBase      ##
> SOMETIMES_CONSUMES
> -  gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwSpareBase64    ##
> CONSUMES
> -  gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwSpareSize      ##
> CONSUMES
> +  gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwSpareBase64    ##
> SOMETIMES_CONSUMES
> +  gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwSpareSize      ##
> SOMETIMES_CONSUMES
> 
>  [Depex]
>    TRUE
> diff --git
> a/MdeModulePkg/Universal/FaultTolerantWritePei/FaultTolerantWritePei.inf
> b/MdeModulePkg/Universal/FaultTolerantWritePei/FaultTolerantWritePei.inf
> index f90892ad4493..ff9d53bf7040 100644
> --- a/MdeModulePkg/Universal/FaultTolerantWritePei/FaultTolerantWritePei.inf
> +++
> b/MdeModulePkg/Universal/FaultTolerantWritePei/FaultTolerantWritePei.inf
> @@ -39,6 +39,7 @@ [LibraryClasses]
>    HobLib
>    BaseMemoryLib
>    PcdLib
> +  SafeIntLib
> 
>  [Guids]
>    ## SOMETIMES_PRODUCES   ## HOB
> @@ -46,14 +47,15 @@ [Guids]
>    gEdkiiFaultTolerantWriteGuid
>    gEdkiiWorkingBlockSignatureGuid               ## SOMETIMES_CONSUMES   ##
> GUID
>    gEfiSystemNvDataFvGuid                        ## SOMETIMES_CONSUMES   ## GUID
> +  gVariableFlashInfoHobGuid                     ## CONSUMES             ## HOB
> 
>  [Pcd]
>    gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwWorkingBase    ##
> SOMETIMES_CONSUMES
> -  gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwWorkingBase64
> ## CONSUMES
> -  gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwWorkingSize    ##
> CONSUMES
> +  gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwWorkingBase64
> ## SOMETIMES_CONSUMES
> +  gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwWorkingSize    ##
> SOMETIMES_CONSUMES
>    gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwSpareBase      ##
> SOMETIMES_CONSUMES
> -  gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwSpareBase64    ##
> CONSUMES
> -  gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwSpareSize      ##
> CONSUMES
> +  gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwSpareBase64    ##
> SOMETIMES_CONSUMES
> +  gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwSpareSize      ##
> SOMETIMES_CONSUMES
> 
>  [Depex]
>    TRUE
> --
> 2.28.0.windows.1
> 
> 
> 
> -=-=-=-=-=-=
> Groups.io Links: You receive all messages sent to this group.
> View/Reply Online (#88464): https://edk2.groups.io/g/devel/message/88464
> Mute This Topic: https://groups.io/mt/90293667/1768737
> Group Owner: devel+owner@edk2.groups.io
> Unsubscribe: https://edk2.groups.io/g/devel/unsub [hao.a.wu@intel.com]
> -=-=-=-=-=-=
> 


  reply	other threads:[~2022-04-07  3:32 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-04-06 16:26 [PATCH v1 0/3] Add Variable Flash Info HOB Michael Kubacki
2022-04-06 16:26 ` [PATCH v1 1/3] MdeModulePkg: " Michael Kubacki
2022-04-06 16:26 ` [PATCH v1 2/3] MdeModulePkg/Variable: Consume Variable " Michael Kubacki
2022-04-07  3:31   ` [edk2-devel] " Wu, Hao A
2022-04-06 16:26 ` [PATCH v1 3/3] MdeModulePkg/FaultTolerantWrite: " Michael Kubacki
2022-04-07  3:31   ` Wu, Hao A [this message]
2022-04-07  3:31 ` [edk2-devel] [PATCH v1 0/3] Add Variable Flash " Wu, Hao A
2022-04-07 23:56   ` Michael Kubacki
2022-04-08 21:20     ` Michael Kubacki

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