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.

Cc: Jian J Wang <jian.j.wang@intel.com>
Cc: Hao A Wu <hao.a.wu@intel.com>
Cc: Dandan Bi <dandan.bi@intel.com>
Cc: Liming Gao <gaoliming@byosoft.com.cn>

Signed-off-by: Kun Qin <kun.q@outlook.com>
Reviewed-by: Hao A Wu <hao.a.wu@intel.com>

7 files changed, 281 insertions, 46 deletions

diff --git a/MdeModulePkg/MdeModulePkg.dsc b/MdeModulePkg/MdeModulePkg.dsc
index 0989094900..34ca571ca6 100644
--- a/MdeModulePkg/MdeModulePkg.dsc
+++ b/MdeModulePkg/MdeModulePkg.dsc
@@ -168,6 +168,7 @@
   StandaloneMmDriverEntryPoint|MdePkg/Library/StandaloneMmDriverEntryPoint/StandaloneMmDriverEntryPoint.inf

   MmServicesTableLib|MdePkg/Library/StandaloneMmServicesTableLib/StandaloneMmServicesTableLib.inf

   LockBoxLib|MdeModulePkg/Library/SmmLockBoxLib/SmmLockBoxStandaloneMmLib.inf

+  MemLib|StandaloneMmPkg/Library/StandaloneMmMemLib/StandaloneMmMemLib.inf

 

 [LibraryClasses.ARM, LibraryClasses.AARCH64]

   ArmLib|ArmPkg/Library/ArmLib/ArmBaseLib.inf

@@ -495,6 +496,7 @@
   MdeModulePkg/Universal/Acpi/S3SaveStateDxe/S3SaveStateDxe.inf

   MdeModulePkg/Universal/Acpi/SmmS3SaveState/SmmS3SaveState.inf

   MdeModulePkg/Universal/Acpi/FirmwarePerformanceDataTableSmm/FirmwarePerformanceSmm.inf

+  MdeModulePkg/Universal/Acpi/FirmwarePerformanceDataTableSmm/FirmwarePerformanceStandaloneMm.inf

   MdeModulePkg/Universal/FaultTolerantWriteDxe/FaultTolerantWriteSmm.inf

   MdeModulePkg/Universal/FaultTolerantWriteDxe/FaultTolerantWriteSmmDxe.inf

   MdeModulePkg/Universal/RegularExpressionDxe/RegularExpressionDxe.inf

diff --git a/MdeModulePkg/Universal/Acpi/FirmwarePerformanceDataTableSmm/FirmwarePerformanceSmm.c b/MdeModulePkg/Universal/Acpi/FirmwarePerformanceDataTableSmm/FirmwarePerformanceCommon.c
index d6c6e7693e..ecadef8711 100644
--- a/MdeModulePkg/Universal/Acpi/FirmwarePerformanceDataTableSmm/FirmwarePerformanceSmm.c
+++ b/MdeModulePkg/Universal/Acpi/FirmwarePerformanceDataTableSmm/FirmwarePerformanceCommon.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/FirmwarePerformanceCommon.h b/MdeModulePkg/Universal/Acpi/FirmwarePerformanceDataTableSmm/FirmwarePerformanceCommon.h
new file mode 100644
index 0000000000..0fbdac02de
--- /dev/null
+++ b/MdeModulePkg/Universal/Acpi/FirmwarePerformanceDataTableSmm/FirmwarePerformanceCommon.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/FirmwarePerformanceSmm.inf b/MdeModulePkg/Universal/Acpi/FirmwarePerformanceDataTableSmm/FirmwarePerformanceSmm.inf
index 618cbd56ca..b7194bd899 100644
--- a/MdeModulePkg/Universal/Acpi/FirmwarePerformanceDataTableSmm/FirmwarePerformanceSmm.inf
+++ b/MdeModulePkg/Universal/Acpi/FirmwarePerformanceDataTableSmm/FirmwarePerformanceSmm.inf
@@ -26,7 +26,9 @@
 #

 

 [Sources]

-  FirmwarePerformanceSmm.c

+  FirmwarePerformanceCommon.c

+  FirmwarePerformanceCommon.h

+  FirmwarePerformanceTraditional.c

 

 [Packages]

   MdePkg/MdePkg.dec

@@ -34,7 +36,7 @@
 

 [LibraryClasses]

   UefiDriverEntryPoint

-  SmmServicesTableLib

+  MmServicesTableLib

   BaseLib

   DebugLib

   TimerLib

@@ -42,12 +44,11 @@
   PcdLib

   BaseMemoryLib

   MemoryAllocationLib

-  UefiBootServicesTableLib

   SynchronizationLib

   SmmMemLib

 

 [Protocols]

-  gEfiSmmRscHandlerProtocolGuid                 ## CONSUMES

+  gEfiMmRscHandlerProtocolGuid                 ## CONSUMES

 

 [Guids]

   ## SOMETIMES_PRODUCES   ## UNDEFINED # SaveLockBox

@@ -61,7 +62,7 @@
   gEfiMdeModulePkgTokenSpaceGuid.PcdProgressCodeS3SuspendEnd    ## CONSUMES

 

 [Depex]

-  gEfiSmmRscHandlerProtocolGuid

+  gEfiMmRscHandlerProtocolGuid

 

 [UserExtensions.TianoCore."ExtraFiles"]

   FirmwarePerformanceSmmExtra.uni

diff --git a/MdeModulePkg/Universal/Acpi/FirmwarePerformanceDataTableSmm/FirmwarePerformanceStandaloneMm.c b/MdeModulePkg/Universal/Acpi/FirmwarePerformanceDataTableSmm/FirmwarePerformanceStandaloneMm.c
new file mode 100644
index 0000000000..d7da61c98c
--- /dev/null
+++ b/MdeModulePkg/Universal/Acpi/FirmwarePerformanceDataTableSmm/FirmwarePerformanceStandaloneMm.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/FirmwarePerformanceStandaloneMm.inf b/MdeModulePkg/Universal/Acpi/FirmwarePerformanceDataTableSmm/FirmwarePerformanceStandaloneMm.inf
new file mode 100644
index 0000000000..e6aad88be0
--- /dev/null
+++ b/MdeModulePkg/Universal/Acpi/FirmwarePerformanceDataTableSmm/FirmwarePerformanceStandaloneMm.inf
@@ -0,0 +1,66 @@
+## @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 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                      = FirmwarePerformanceStandaloneMm

+  FILE_GUID                      = 827AC29D-E52D-4B1A-874A-C6577E0699CF

+  MODULE_TYPE                    = MM_STANDALONE

+  VERSION_STRING                 = 1.0

+  PI_SPECIFICATION_VERSION       = 0x00010032

+  ENTRY_POINT                    = FirmwarePerformanceStandaloneMmEntryPoint

+

+#

+# The following information is for reference only and not required by the build tools.

+#

+#  VALID_ARCHITECTURES           = IA32 X64

+#

+

+[Sources]

+  FirmwarePerformanceCommon.c

+  FirmwarePerformanceCommon.h

+  FirmwarePerformanceStandaloneMm.c

+

+[Packages]

+  MdePkg/MdePkg.dec

+  MdeModulePkg/MdeModulePkg.dec

+  StandaloneMmPkg/StandaloneMmPkg.dec

+

+[LibraryClasses]

+  StandaloneMmDriverEntryPoint

+  MmServicesTableLib

+  BaseLib

+  DebugLib

+  TimerLib

+  LockBoxLib

+  PcdLib

+  BaseMemoryLib

+  MemoryAllocationLib

+  SynchronizationLib

+  MemLib

+

+[Protocols]

+  gEfiMmRscHandlerProtocolGuid                 ## CONSUMES

+

+[Guids]

+  ## SOMETIMES_PRODUCES   ## UNDEFINED # SaveLockBox

+  ## PRODUCES             ## UNDEFINED # SmiHandlerRegister

+  ## SOMETIMES_CONSUMES   ## UNDEFINED # StatusCode Data

+  gEfiFirmwarePerformanceGuid

+  gEdkiiFpdtExtendedFirmwarePerformanceGuid  ## SOMETIMES_PRODUCES ## UNDEFINED # StatusCode Data

+

+[Pcd]

+  gEfiMdeModulePkgTokenSpaceGuid.PcdProgressCodeS3SuspendStart  ## CONSUMES

+  gEfiMdeModulePkgTokenSpaceGuid.PcdProgressCodeS3SuspendEnd    ## CONSUMES

+

+[Depex]

+  gEfiMmRscHandlerProtocolGuid

diff --git a/MdeModulePkg/Universal/Acpi/FirmwarePerformanceDataTableSmm/FirmwarePerformanceTraditional.c b/MdeModulePkg/Universal/Acpi/FirmwarePerformanceDataTableSmm/FirmwarePerformanceTraditional.c
new file mode 100644
index 0000000000..43c050d6b5
--- /dev/null
+++ b/MdeModulePkg/Universal/Acpi/FirmwarePerformanceDataTableSmm/FirmwarePerformanceTraditional.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 ();

+}