[edk2-devel] [PATCH v2 08/16] MdeModulePkg: FirmwarePerformanceDataTable: Added StandaloneMm support

Wu, Hao A hao.a.wu at intel.com
Wed Jan 6 03:24:35 UTC 2021


> -----Original Message-----
> From: Kun Qin <kun.q at outlook.com>
> Sent: Wednesday, January 6, 2021 2:59 AM
> To: devel at edk2.groups.io
> Cc: Wang, Jian J <jian.j.wang at intel.com>; Wu, Hao A <hao.a.wu at intel.com>;
> Bi, Dandan <dandan.bi at intel.com>; Liming Gao <gaoliming at byosoft.com.cn>
> Subject: [PATCH v2 08/16] MdeModulePkg: FirmwarePerformanceDataTable:
> Added StandaloneMm support
> 
> This change added support of FPDT driver under StandaloneMm. It replaces
> SMM version ReportStatusCode protocol with MM version. This patch also
> abstracts standalone and traditional MM interfaces into separate files to
> support each corresponding function prototypes and implementations.


Reviewed-by: Hao A Wu <hao.a.wu at intel.com>

Best Regards,
Hao Wu


> 
> Cc: Jian J Wang <jian.j.wang at intel.com>
> Cc: Hao A Wu <hao.a.wu at intel.com>
> Cc: Dandan Bi <dandan.bi at intel.com>
> Cc: Liming Gao <gaoliming at byosoft.com.cn>
> 
> Signed-off-by: Kun Qin <kun.q at outlook.com>
> ---
> 
> Notes:
>     v2:
>     - Removed "EFIAPI" for internally abstracted functions [Hao]
>     - Support driver for both IA32 and X64 in dsc file [Hao]
> 
> 
> MdeModulePkg/Universal/Acpi/FirmwarePerformanceDataTableSmm/{Firm
> warePerformanceSmm.c => FirmwarePerformanceCommon.c}           | 76
> +++++++++-----------
> 
> MdeModulePkg/Universal/Acpi/FirmwarePerformanceDataTableSmm/Firm
> warePerformanceStandaloneMm.c                                   | 61
> ++++++++++++++++
> 
> MdeModulePkg/Universal/Acpi/FirmwarePerformanceDataTableSmm/Firm
> warePerformanceTraditional.c                                    | 61 ++++++++++++++++
>  MdeModulePkg/MdeModulePkg.dsc
> |  2 +
> 
> MdeModulePkg/Universal/Acpi/FirmwarePerformanceDataTableSmm/Firm
> warePerformanceCommon.h                                         | 50 +++++++++++++
> 
> MdeModulePkg/Universal/Acpi/FirmwarePerformanceDataTableSmm/Firm
> warePerformanceSmm.inf                                          | 11 +--
> 
> MdeModulePkg/Universal/Acpi/FirmwarePerformanceDataTableSmm/{Firm
> warePerformanceSmm.inf => FirmwarePerformanceStandaloneMm.inf} | 31
> ++++----
>  7 files changed, 230 insertions(+), 62 deletions(-)
> 
> diff --git
> a/MdeModulePkg/Universal/Acpi/FirmwarePerformanceDataTableSmm/Fir
> mwarePerformanceSmm.c
> b/MdeModulePkg/Universal/Acpi/FirmwarePerformanceDataTableSmm/Fir
> mwarePerformanceCommon.c
> similarity index 75%
> rename from
> MdeModulePkg/Universal/Acpi/FirmwarePerformanceDataTableSmm/Firm
> warePerformanceSmm.c
> rename to
> MdeModulePkg/Universal/Acpi/FirmwarePerformanceDataTableSmm/Firm
> warePerformanceCommon.c
> index d6c6e7693e4d..ecadef8711ed 100644
> ---
> a/MdeModulePkg/Universal/Acpi/FirmwarePerformanceDataTableSmm/Fir
> mwarePerformanceSmm.c
> +++
> b/MdeModulePkg/Universal/Acpi/FirmwarePerformanceDataTableSmm/Fir
> mwa
> +++ rePerformanceCommon.c
> @@ -1,11 +1,11 @@
>  /** @file
> -  This module collects performance data for SMM driver boot records and S3
> Suspend Performance Record.
> +  This module collects performance data for MM driver boot records and S3
> Suspend Performance Record.
> 
>    This module registers report status code listener to collect performance
> data
> -  for SMM driver boot records and S3 Suspend Performance Record.
> +  for MM driver boot records and S3 Suspend Performance Record.
> 
>    Caution: This module requires additional review when modified.
> -  This driver will have external input - communicate buffer in SMM mode.
> +  This driver will have external input - communicate buffer in MM mode.
>    This external input must be validated carefully to avoid security issue like
>    buffer overflow, integer overflow.
> 
> @@ -16,13 +16,13 @@
> 
>  **/
> 
> -#include <PiSmm.h>
> +#include <PiMm.h>
> 
> -#include <Protocol/SmmReportStatusCodeHandler.h>
> +#include <Protocol/MmReportStatusCodeHandler.h>
> 
>  #include <Guid/FirmwarePerformance.h>
> 
> -#include <Library/SmmServicesTableLib.h>
> +#include <Library/MmServicesTableLib.h>
>  #include <Library/BaseLib.h>
>  #include <Library/DebugLib.h>
>  #include <Library/TimerLib.h>
> @@ -30,23 +30,22 @@
>  #include <Library/PcdLib.h>
>  #include <Library/BaseMemoryLib.h>
>  #include <Library/MemoryAllocationLib.h> -#include
> <Library/UefiBootServicesTableLib.h>
>  #include <Library/SynchronizationLib.h> -#include <Library/SmmMemLib.h>
> +#include "FirmwarePerformanceCommon.h"
> 
> -SMM_BOOT_PERFORMANCE_TABLE    *mSmmBootPerformanceTable =
> NULL;
> +SMM_BOOT_PERFORMANCE_TABLE    *mMmBootPerformanceTable =
> NULL;
> 
> -EFI_SMM_RSC_HANDLER_PROTOCOL  *mRscHandlerProtocol    = NULL;
> +EFI_MM_RSC_HANDLER_PROTOCOL   *mRscHandlerProtocol    = NULL;
>  UINT64                        mSuspendStartTime       = 0;
>  BOOLEAN                       mS3SuspendLockBoxSaved  = FALSE;
>  UINT32                        mBootRecordSize = 0;
>  UINT8                         *mBootRecordBuffer = NULL;
> 
> -SPIN_LOCK                     mSmmFpdtLock;
> -BOOLEAN                       mSmramIsOutOfResource = FALSE;
> +SPIN_LOCK                     mMmFpdtLock;
> +BOOLEAN                       mMmramIsOutOfResource = FALSE;
> 
>  /**
> -  Report status code listener for SMM. This is used to record the
> performance
> +  Report status code listener for MM. This is used to record the
> + performance
>    data for S3 Suspend Start and S3 Suspend End in FPDT.
> 
>    @param[in]  CodeType            Indicates the type of status code being
> reported.
> @@ -66,7 +65,7 @@ BOOLEAN                       mSmramIsOutOfResource = FALSE;
>  **/
>  EFI_STATUS
>  EFIAPI
> -FpdtStatusCodeListenerSmm (
> +FpdtStatusCodeListenerMm (
>    IN EFI_STATUS_CODE_TYPE     CodeType,
>    IN EFI_STATUS_CODE_VALUE    Value,
>    IN UINT32                   Instance,
> @@ -89,19 +88,19 @@ FpdtStatusCodeListenerSmm (
>    // Collect one or more Boot records in boot time
>    //
>    if (Data != NULL && CompareGuid (&Data->Type,
> &gEdkiiFpdtExtendedFirmwarePerformanceGuid)) {
> -    AcquireSpinLock (&mSmmFpdtLock);
> +    AcquireSpinLock (&mMmFpdtLock);
>      //
>      // Get the boot performance data.
>      //
> -    CopyMem (&mSmmBootPerformanceTable, Data + 1, Data->Size);
> -    mBootRecordBuffer = ((UINT8 *) (mSmmBootPerformanceTable)) +
> sizeof (SMM_BOOT_PERFORMANCE_TABLE);
> +    CopyMem (&mMmBootPerformanceTable, Data + 1, Data->Size);
> +    mBootRecordBuffer = ((UINT8 *) (mMmBootPerformanceTable)) + sizeof
> + (SMM_BOOT_PERFORMANCE_TABLE);
> 
> -    ReleaseSpinLock (&mSmmFpdtLock);
> +    ReleaseSpinLock (&mMmFpdtLock);
>      return EFI_SUCCESS;
>    }
> 
>    if (Data != NULL && CompareGuid (&Data->Type,
> &gEfiFirmwarePerformanceGuid)) {
> -    DEBUG ((DEBUG_ERROR, "FpdtStatusCodeListenerSmm: Performance
> data reported through gEfiFirmwarePerformanceGuid will not be collected
> by FirmwarePerformanceDataTableSmm\n"));
> +    DEBUG ((DEBUG_ERROR, "FpdtStatusCodeListenerMm: Performance
> data
> + reported through gEfiFirmwarePerformanceGuid will not be collected by
> + FirmwarePerformanceDataTableMm\n"));
>      return EFI_UNSUPPORTED;
>    }
> 
> @@ -157,7 +156,7 @@ FpdtStatusCodeListenerSmm (
>  /**
>    Communication service SMI Handler entry.
> 
> -  This SMI handler provides services for report SMM boot records.
> +  This SMI handler provides services for report MM boot records.
> 
>    Caution: This function may receive untrusted input.
>    Communicate buffer and buffer size are external input, so this function will
> do basic validation.
> @@ -166,7 +165,7 @@ FpdtStatusCodeListenerSmm (
>    @param[in]     RegisterContext Points to an optional handler context which
> was specified when the
>                                   handler was registered.
>    @param[in, out] CommBuffer     A pointer to a collection of data in memory
> that will
> -                                 be conveyed from a non-SMM environment into an SMM
> environment.
> +                                 be conveyed from a non-MM environment into an MM
> environment.
>    @param[in, out] CommBufferSize The size of the CommBuffer.
> 
>    @retval EFI_SUCCESS                         The interrupt was handled and quiesced.
> No other handlers
> @@ -207,8 +206,8 @@ FpdtSmiHandler (
>      return EFI_SUCCESS;
>    }
> 
> -  if (!SmmIsBufferOutsideSmmValid ((UINTN)CommBuffer,
> TempCommBufferSize)) {
> -    DEBUG ((EFI_D_ERROR, "FpdtSmiHandler: SMM communication data
> buffer in SMRAM or overflow!\n"));
> +  if (!IsBufferOutsideMmValid ((UINTN)CommBuffer,
> TempCommBufferSize)) {
> +    DEBUG ((DEBUG_ERROR, "FpdtSmiHandler: MM communication data
> buffer
> + in MMRAM or overflow!\n"));
>      return EFI_SUCCESS;
>    }
> 
> @@ -218,8 +217,8 @@ FpdtSmiHandler (
> 
>    switch (SmmCommData->Function) {
>      case SMM_FPDT_FUNCTION_GET_BOOT_RECORD_SIZE :
> -      if (mSmmBootPerformanceTable != NULL) {
> -        mBootRecordSize = mSmmBootPerformanceTable->Header.Length -
> sizeof (SMM_BOOT_PERFORMANCE_TABLE);
> +      if (mMmBootPerformanceTable != NULL) {
> +        mBootRecordSize = mMmBootPerformanceTable->Header.Length -
> + sizeof (SMM_BOOT_PERFORMANCE_TABLE);
>        }
>        SmmCommData->BootRecordSize = mBootRecordSize;
>        break;
> @@ -244,8 +243,8 @@ FpdtSmiHandler (
>          BootRecordSize = mBootRecordSize - BootRecordOffset;
>        }
>        SmmCommData->BootRecordSize = BootRecordSize;
> -      if (!SmmIsBufferOutsideSmmValid ((UINTN)BootRecordData,
> BootRecordSize)) {
> -        DEBUG ((EFI_D_ERROR, "FpdtSmiHandler: SMM Data buffer in SMRAM
> or overflow!\n"));
> +      if (!IsBufferOutsideMmValid ((UINTN)BootRecordData, BootRecordSize))
> {
> +        DEBUG ((DEBUG_ERROR, "FpdtSmiHandler: MM Data buffer in
> MMRAM
> + or overflow!\n"));
>          Status = EFI_ACCESS_DENIED;
>          break;
>        }
> @@ -267,20 +266,15 @@ FpdtSmiHandler (
>  }
> 
>  /**
> -  The module Entry Point of the Firmware Performance Data Table SMM
> driver.
> -
> -  @param[in]  ImageHandle    The firmware allocated handle for the EFI
> image.
> -  @param[in]  SystemTable    A pointer to the EFI System Table.
> +  The module Entry Point of the Firmware Performance Data Table MM
> driver.
> 
>    @retval EFI_SUCCESS    The entry point is executed successfully.
>    @retval Other          Some error occurs when executing this entry point.
> 
>  **/
>  EFI_STATUS
> -EFIAPI
> -FirmwarePerformanceSmmEntryPoint (
> -  IN EFI_HANDLE          ImageHandle,
> -  IN EFI_SYSTEM_TABLE    *SystemTable
> +FirmwarePerformanceCommonEntryPoint (
> +  VOID
>    )
>  {
>    EFI_STATUS                Status;
> @@ -289,13 +283,13 @@ FirmwarePerformanceSmmEntryPoint (
>    //
>    // Initialize spin lock
>    //
> -  InitializeSpinLock (&mSmmFpdtLock);
> +  InitializeSpinLock (&mMmFpdtLock);
> 
>    //
> -  // Get SMM Report Status Code Handler Protocol.
> +  // Get MM Report Status Code Handler Protocol.
>    //
> -  Status = gSmst->SmmLocateProtocol (
> -                    &gEfiSmmRscHandlerProtocolGuid,
> +  Status = gMmst->MmLocateProtocol (
> +                    &gEfiMmRscHandlerProtocolGuid,
>                      NULL,
>                      (VOID **) &mRscHandlerProtocol
>                      );
> @@ -304,14 +298,14 @@ FirmwarePerformanceSmmEntryPoint (
>    //
>    // Register report status code listener for BootRecords and S3 Suspend
> Start and End.
>    //
> -  Status = mRscHandlerProtocol->Register (FpdtStatusCodeListenerSmm);
> +  Status = mRscHandlerProtocol->Register (FpdtStatusCodeListenerMm);
>    ASSERT_EFI_ERROR (Status);
> 
>    //
>    // Register SMI handler.
>    //
>    Handle = NULL;
> -  Status = gSmst->SmiHandlerRegister (FpdtSmiHandler,
> &gEfiFirmwarePerformanceGuid, &Handle);
> +  Status = gMmst->MmiHandlerRegister (FpdtSmiHandler,
> + &gEfiFirmwarePerformanceGuid, &Handle);
>    ASSERT_EFI_ERROR (Status);
> 
>    return Status;
> diff --git
> a/MdeModulePkg/Universal/Acpi/FirmwarePerformanceDataTableSmm/Fir
> mwarePerformanceStandaloneMm.c
> b/MdeModulePkg/Universal/Acpi/FirmwarePerformanceDataTableSmm/Fir
> mwarePerformanceStandaloneMm.c
> new file mode 100644
> index 000000000000..d7da61c98c66
> --- /dev/null
> +++
> b/MdeModulePkg/Universal/Acpi/FirmwarePerformanceDataTableSmm/Fir
> mwa
> +++ rePerformanceStandaloneMm.c
> @@ -0,0 +1,61 @@
> +/** @file
> +  This module collects performance data for MM driver boot records and S3
> Suspend Performance Record.
> +
> +  This module registers report status code listener to collect
> + performance data  for MM driver boot records and S3 Suspend
> Performance Record.
> +
> +  Caution: This module requires additional review when modified.
> +  This driver will have external input - communicate buffer in MM mode.
> +  This external input must be validated carefully to avoid security
> + issue like  buffer overflow, integer overflow.
> +
> +  FpdtSmiHandler() will receive untrusted input and do basic validation.
> +
> +  Copyright (c) 2011 - 2018, Intel Corporation. All rights
> + reserved.<BR>  Copyright (c), Microsoft Corporation.
> +  SPDX-License-Identifier: BSD-2-Clause-Patent
> +
> +**/
> +
> +#include <PiMm.h>
> +
> +#include <Library/StandaloneMmMemLib.h> #include
> +"FirmwarePerformanceCommon.h"
> +
> +/**
> +  This function is an abstraction layer for implementation specific Mm buffer
> validation routine.
> +
> +  @param Buffer  The buffer start address to be checked.
> +  @param Length  The buffer length to be checked.
> +
> +  @retval TRUE  This buffer is valid per processor architecture and not
> overlap with SMRAM.
> +  @retval FALSE This buffer is not valid per processor architecture or overlap
> with SMRAM.
> +**/
> +BOOLEAN
> +IsBufferOutsideMmValid (
> +  IN EFI_PHYSICAL_ADDRESS  Buffer,
> +  IN UINT64                Length
> +  )
> +{
> +  return MmIsBufferOutsideMmValid (Buffer, Length); }
> +
> +/**
> +  The module Entry Point of the Firmware Performance Data Table MM
> driver.
> +
> +  @param[in]  ImageHandle    The firmware allocated handle for the EFI
> image.
> +  @param[in]  SystemTable    A pointer to the EFI MM System Table.
> +
> +  @retval EFI_SUCCESS    The entry point is executed successfully.
> +  @retval Other          Some error occurs when executing this entry point.
> +
> +**/
> +EFI_STATUS
> +EFIAPI
> +FirmwarePerformanceStandaloneMmEntryPoint (
> +  IN EFI_HANDLE             ImageHandle,
> +  IN EFI_MM_SYSTEM_TABLE    *SystemTable
> +  )
> +{
> +  return FirmwarePerformanceCommonEntryPoint (); }
> diff --git
> a/MdeModulePkg/Universal/Acpi/FirmwarePerformanceDataTableSmm/Fir
> mwarePerformanceTraditional.c
> b/MdeModulePkg/Universal/Acpi/FirmwarePerformanceDataTableSmm/Fir
> mwarePerformanceTraditional.c
> new file mode 100644
> index 000000000000..43c050d6b516
> --- /dev/null
> +++
> b/MdeModulePkg/Universal/Acpi/FirmwarePerformanceDataTableSmm/Fir
> mwa
> +++ rePerformanceTraditional.c
> @@ -0,0 +1,61 @@
> +/** @file
> +  This module collects performance data for MM driver boot records and S3
> Suspend Performance Record.
> +
> +  This module registers report status code listener to collect
> + performance data  for MM driver boot records and S3 Suspend
> Performance Record.
> +
> +  Caution: This module requires additional review when modified.
> +  This driver will have external input - communicate buffer in MM mode.
> +  This external input must be validated carefully to avoid security
> + issue like  buffer overflow, integer overflow.
> +
> +  FpdtSmiHandler() will receive untrusted input and do basic validation.
> +
> +  Copyright (c) 2011 - 2018, Intel Corporation. All rights
> + reserved.<BR>  Copyright (c), Microsoft Corporation.
> +  SPDX-License-Identifier: BSD-2-Clause-Patent
> +
> +**/
> +
> +#include <PiSmm.h>
> +
> +#include <Library/SmmMemLib.h>
> +#include "FirmwarePerformanceCommon.h"
> +
> +/**
> +  This function is an abstraction layer for implementation specific Mm buffer
> validation routine.
> +
> +  @param Buffer  The buffer start address to be checked.
> +  @param Length  The buffer length to be checked.
> +
> +  @retval TRUE  This buffer is valid per processor architecture and not
> overlap with SMRAM.
> +  @retval FALSE This buffer is not valid per processor architecture or overlap
> with SMRAM.
> +**/
> +BOOLEAN
> +IsBufferOutsideMmValid (
> +  IN EFI_PHYSICAL_ADDRESS  Buffer,
> +  IN UINT64                Length
> +  )
> +{
> +  return SmmIsBufferOutsideSmmValid (Buffer, Length); }
> +
> +/**
> +  The module Entry Point of the Firmware Performance Data Table MM
> driver.
> +
> +  @param[in]  ImageHandle    The firmware allocated handle for the EFI
> image.
> +  @param[in]  SystemTable    A pointer to the EFI System Table.
> +
> +  @retval EFI_SUCCESS    The entry point is executed successfully.
> +  @retval Other          Some error occurs when executing this entry point.
> +
> +**/
> +EFI_STATUS
> +EFIAPI
> +FirmwarePerformanceSmmEntryPoint (
> +  IN EFI_HANDLE          ImageHandle,
> +  IN EFI_SYSTEM_TABLE    *SystemTable
> +  )
> +{
> +  return FirmwarePerformanceCommonEntryPoint (); }
> diff --git a/MdeModulePkg/MdeModulePkg.dsc
> b/MdeModulePkg/MdeModulePkg.dsc index 098909490095..34ca571ca662
> 100644
> --- a/MdeModulePkg/MdeModulePkg.dsc
> +++ b/MdeModulePkg/MdeModulePkg.dsc
> @@ -168,6 +168,7 @@ [LibraryClasses.common.MM_STANDALONE]
> 
> StandaloneMmDriverEntryPoint|MdePkg/Library/StandaloneMmDriverEntry
> Point/StandaloneMmDriverEntryPoint.inf
> 
> MmServicesTableLib|MdePkg/Library/StandaloneMmServicesTableLib/Stan
> daloneMmServicesTableLib.inf
> 
> LockBoxLib|MdeModulePkg/Library/SmmLockBoxLib/SmmLockBoxStandalo
> neMmLib.inf
> +
> +
> MemLib|StandaloneMmPkg/Library/StandaloneMmMemLib/StandaloneMm
> MemLib.i
> + nf
> 
>  [LibraryClasses.ARM, LibraryClasses.AARCH64]
>    ArmLib|ArmPkg/Library/ArmLib/ArmBaseLib.inf
> @@ -495,6 +496,7 @@ [Components.IA32, Components.X64]
>    MdeModulePkg/Universal/Acpi/S3SaveStateDxe/S3SaveStateDxe.inf
>    MdeModulePkg/Universal/Acpi/SmmS3SaveState/SmmS3SaveState.inf
> 
> MdeModulePkg/Universal/Acpi/FirmwarePerformanceDataTableSmm/Firm
> warePerformanceSmm.inf
> +
> +
> MdeModulePkg/Universal/Acpi/FirmwarePerformanceDataTableSmm/Firm
> warePe
> + rformanceStandaloneMm.inf
> 
> MdeModulePkg/Universal/FaultTolerantWriteDxe/FaultTolerantWriteSmm.i
> nf
> 
> MdeModulePkg/Universal/FaultTolerantWriteDxe/FaultTolerantWriteSmmD
> xe.inf
> 
> MdeModulePkg/Universal/RegularExpressionDxe/RegularExpressionDxe.inf
> diff --git
> a/MdeModulePkg/Universal/Acpi/FirmwarePerformanceDataTableSmm/Fir
> mwarePerformanceCommon.h
> b/MdeModulePkg/Universal/Acpi/FirmwarePerformanceDataTableSmm/Fir
> mwarePerformanceCommon.h
> new file mode 100644
> index 000000000000..0fbdac02de4c
> --- /dev/null
> +++
> b/MdeModulePkg/Universal/Acpi/FirmwarePerformanceDataTableSmm/Fir
> mwa
> +++ rePerformanceCommon.h
> @@ -0,0 +1,50 @@
> +/** @file
> +  This module collects performance data for SMM driver boot records and S3
> Suspend Performance Record.
> +
> +  This module registers report status code listener to collect
> + performance data  for SMM driver boot records and S3 Suspend
> Performance Record.
> +
> +  Caution: This module requires additional review when modified.
> +  This driver will have external input - communicate buffer in SMM mode.
> +  This external input must be validated carefully to avoid security
> + issue like  buffer overflow, integer overflow.
> +
> +  FpdtSmiHandler() will receive untrusted input and do basic validation.
> +
> +  Copyright (c) 2011 - 2018, Intel Corporation. All rights
> + reserved.<BR>  Copyright (c), Microsoft Corporation.
> +  SPDX-License-Identifier: BSD-2-Clause-Patent
> +
> +**/
> +
> +#ifndef _FW_PERF_COMMON_H_
> +#define _FW_PERF_COMMON_H_
> +
> +/**
> +  This function is an abstraction layer for implementation specific Mm buffer
> validation routine.
> +
> +  @param Buffer  The buffer start address to be checked.
> +  @param Length  The buffer length to be checked.
> +
> +  @retval TRUE  This buffer is valid per processor architecture and not
> overlap with SMRAM.
> +  @retval FALSE This buffer is not valid per processor architecture or overlap
> with SMRAM.
> +**/
> +BOOLEAN
> +IsBufferOutsideMmValid (
> +  IN EFI_PHYSICAL_ADDRESS  Buffer,
> +  IN UINT64                Length
> +  );
> +
> +/**
> +  The module Entry Point of the Firmware Performance Data Table MM
> driver.
> +
> +  @retval EFI_SUCCESS    The entry point is executed successfully.
> +  @retval Other          Some error occurs when executing this entry point.
> +
> +**/
> +EFI_STATUS
> +FirmwarePerformanceCommonEntryPoint (
> +  VOID
> +  );
> +
> +#endif // _FW_PERF_COMMON_H_
> diff --git
> a/MdeModulePkg/Universal/Acpi/FirmwarePerformanceDataTableSmm/Fir
> mwarePerformanceSmm.inf
> b/MdeModulePkg/Universal/Acpi/FirmwarePerformanceDataTableSmm/Fir
> mwarePerformanceSmm.inf
> index 618cbd56ca59..b7194bd899dd 100644
> ---
> a/MdeModulePkg/Universal/Acpi/FirmwarePerformanceDataTableSmm/Fir
> mwarePerformanceSmm.inf
> +++
> b/MdeModulePkg/Universal/Acpi/FirmwarePerformanceDataTableSmm/Fir
> mwa
> +++ rePerformanceSmm.inf
> @@ -26,7 +26,9 @@ [Defines]
>  #
> 
>  [Sources]
> -  FirmwarePerformanceSmm.c
> +  FirmwarePerformanceCommon.c
> +  FirmwarePerformanceCommon.h
> +  FirmwarePerformanceTraditional.c
> 
>  [Packages]
>    MdePkg/MdePkg.dec
> @@ -34,7 +36,7 @@ [Packages]
> 
>  [LibraryClasses]
>    UefiDriverEntryPoint
> -  SmmServicesTableLib
> +  MmServicesTableLib
>    BaseLib
>    DebugLib
>    TimerLib
> @@ -42,12 +44,11 @@ [LibraryClasses]
>    PcdLib
>    BaseMemoryLib
>    MemoryAllocationLib
> -  UefiBootServicesTableLib
>    SynchronizationLib
>    SmmMemLib
> 
>  [Protocols]
> -  gEfiSmmRscHandlerProtocolGuid                 ## CONSUMES
> +  gEfiMmRscHandlerProtocolGuid                 ## CONSUMES
> 
>  [Guids]
>    ## SOMETIMES_PRODUCES   ## UNDEFINED # SaveLockBox
> @@ -61,7 +62,7 @@ [Pcd]
>    gEfiMdeModulePkgTokenSpaceGuid.PcdProgressCodeS3SuspendEnd    ##
> CONSUMES
> 
>  [Depex]
> -  gEfiSmmRscHandlerProtocolGuid
> +  gEfiMmRscHandlerProtocolGuid
> 
>  [UserExtensions.TianoCore."ExtraFiles"]
>    FirmwarePerformanceSmmExtra.uni
> diff --git
> a/MdeModulePkg/Universal/Acpi/FirmwarePerformanceDataTableSmm/Fir
> mwarePerformanceSmm.inf
> b/MdeModulePkg/Universal/Acpi/FirmwarePerformanceDataTableSmm/Fir
> mwarePerformanceStandaloneMm.inf
> similarity index 65%
> copy from
> MdeModulePkg/Universal/Acpi/FirmwarePerformanceDataTableSmm/Firm
> warePerformanceSmm.inf
> copy to
> MdeModulePkg/Universal/Acpi/FirmwarePerformanceDataTableSmm/Firm
> warePerformanceStandaloneMm.inf
> index 618cbd56ca59..e6aad88be0ef 100644
> ---
> a/MdeModulePkg/Universal/Acpi/FirmwarePerformanceDataTableSmm/Fir
> mwarePerformanceSmm.inf
> +++
> b/MdeModulePkg/Universal/Acpi/FirmwarePerformanceDataTableSmm/Fir
> mwa
> +++ rePerformanceStandaloneMm.inf
> @@ -5,19 +5,19 @@
>  #  for SMM boot performance records and S3 Suspend Performance Record.
>  #
>  #  Copyright (c) 2011 - 2018, Intel Corporation. All rights reserved.<BR>
> +#  Copyright (c) Microsoft Corporation.
>  #  SPDX-License-Identifier: BSD-2-Clause-Patent  #  ##
> 
>  [Defines]
>    INF_VERSION                    = 0x00010005
> -  BASE_NAME                      = FirmwarePerformanceSmm
> -  MODULE_UNI_FILE                = FirmwarePerformanceSmm.uni
> -  FILE_GUID                      = 044310AB-77FD-402a-AF1A-87D4120E7329
> -  MODULE_TYPE                    = DXE_SMM_DRIVER
> +  BASE_NAME                      = FirmwarePerformanceStandaloneMm
> +  FILE_GUID                      = 827AC29D-E52D-4B1A-874A-C6577E0699CF
> +  MODULE_TYPE                    = MM_STANDALONE
>    VERSION_STRING                 = 1.0
> -  PI_SPECIFICATION_VERSION       = 0x0001000A
> -  ENTRY_POINT                    = FirmwarePerformanceSmmEntryPoint
> +  PI_SPECIFICATION_VERSION       = 0x00010032
> +  ENTRY_POINT                    = FirmwarePerformanceStandaloneMmEntryPoint
> 
>  #
>  # The following information is for reference only and not required by the
> build tools.
> @@ -26,15 +26,18 @@ [Defines]
>  #
> 
>  [Sources]
> -  FirmwarePerformanceSmm.c
> +  FirmwarePerformanceCommon.c
> +  FirmwarePerformanceCommon.h
> +  FirmwarePerformanceStandaloneMm.c
> 
>  [Packages]
>    MdePkg/MdePkg.dec
>    MdeModulePkg/MdeModulePkg.dec
> +  StandaloneMmPkg/StandaloneMmPkg.dec
> 
>  [LibraryClasses]
> -  UefiDriverEntryPoint
> -  SmmServicesTableLib
> +  StandaloneMmDriverEntryPoint
> +  MmServicesTableLib
>    BaseLib
>    DebugLib
>    TimerLib
> @@ -42,12 +45,11 @@ [LibraryClasses]
>    PcdLib
>    BaseMemoryLib
>    MemoryAllocationLib
> -  UefiBootServicesTableLib
>    SynchronizationLib
> -  SmmMemLib
> +  MemLib
> 
>  [Protocols]
> -  gEfiSmmRscHandlerProtocolGuid                 ## CONSUMES
> +  gEfiMmRscHandlerProtocolGuid                 ## CONSUMES
> 
>  [Guids]
>    ## SOMETIMES_PRODUCES   ## UNDEFINED # SaveLockBox
> @@ -61,7 +63,4 @@ [Pcd]
>    gEfiMdeModulePkgTokenSpaceGuid.PcdProgressCodeS3SuspendEnd    ##
> CONSUMES
> 
>  [Depex]
> -  gEfiSmmRscHandlerProtocolGuid
> -
> -[UserExtensions.TianoCore."ExtraFiles"]
> -  FirmwarePerformanceSmmExtra.uni
> +  gEfiMmRscHandlerProtocolGuid
> --
> 2.30.0.windows.1



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