1 files changed, 12 insertions, 2 deletions
diff --git a/MdeModulePkg/Include/Guid/FirmwarePerformance.h b/MdeModulePkg/Include/Guid/FirmwarePerformance.h
index 7da07f9ea7..a4aeda2759 100644
--- a/MdeModulePkg/Include/Guid/FirmwarePerformance.h
+++ b/MdeModulePkg/Include/Guid/FirmwarePerformance.h
@@ -1,7 +1,7 @@
 /** @file
   ACPI Firmware Performance Data Table (FPDT) implementation specific definitions.
 
-  Copyright (c) 2011 - 2012, Intel Corporation. All rights reserved.<BR>
+  Copyright (c) 2011 - 2013, Intel Corporation. All rights reserved.<BR>
   This program and the accompanying materials
   are licensed and made available under the terms and conditions of the BSD License
   which accompanies this distribution.  The full text of the license may be found at
@@ -50,6 +50,15 @@
 
 #define EFI_FIRMWARE_PERFORMANCE_VARIABLE_NAME  L"FirmwarePerformance"
 
+/// LockBox:
+///   GUID - gFirmwarePerformanceS3PointerGuid
+///   Data - S3 performance table pointer
+///
+#define FIRMWARE_PERFORMANCE_S3_POINTER_GUID \
+  { \
+    0xdc65adc, 0xa973, 0x4130, { 0x8d, 0xf0, 0x2a, 0xdb, 0xeb, 0x9e, 0x4a, 0x31 } \
+  }
+
 #pragma pack(1)
 
 ///
@@ -95,7 +104,7 @@ typedef struct {
 
 ///
 /// Variable defined for FPDT implementation.
-/// This Variable is produced by FPDT DXE module and consumed by FPDT PEIM.
+/// This Variable is produced by FPDT DXE module.
 ///
 typedef struct {
   EFI_PHYSICAL_ADDRESS  BootPerformanceTablePointer; ///< Pointer to Boot Performance Table.
@@ -118,5 +127,6 @@ typedef struct {
 } SMM_BOOT_RECORD_COMMUNICATE;
 
 extern EFI_GUID gEfiFirmwarePerformanceGuid;
+extern EFI_GUID gFirmwarePerformanceS3PointerGuid;
 
 #endif