MdeModulePkg/Include/Guid/PeiPerformanceHob.h

   1 /** @file
   2   GUIDs used for PEI Performance HOB data structures
   3
   4 Copyright (c) 2006 - 2008, Intel Corporation. <BR>
   5 All rights reserved. This program and the accompanying materials
   6 are licensed and made available under the terms and conditions of the BSD License
   7 which accompanies this distribution.  The full text of the license may be found at
   8 http://opensource.org/licenses/bsd-license.php
   9
  10 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  11 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  12
  13 **/
  14
  15 #ifndef __PEI_PERFORMANCE_HOB_H__
  16 #define __PEI_PERFORMANCE_HOB_H__
  17
  18 //
  19 // This is the GUID of PEI performance HOB
  20 //
  21 #define PEI_PERFORMANCE_HOB_GUID \
  22   { 0xec4df5af, 0x4395, 0x4cc9, { 0x94, 0xde, 0x77, 0x50, 0x6d, 0x12, 0xc7, 0xb8 } }
  23
  24 //
  25 // PEI_PERFORMANCE_STRING_SIZE must be a multiple of 8.
  26 //
  27 #define PEI_PERFORMANCE_STRING_SIZE     8
  28 #define PEI_PERFORMANCE_STRING_LENGTH   (PEI_PERFORMANCE_STRING_SIZE - 1)
  29
  30 typedef struct {
  31   EFI_PHYSICAL_ADDRESS  Handle;
  32   CHAR8                 Token[PEI_PERFORMANCE_STRING_SIZE];
  33   CHAR8                 Module[PEI_PERFORMANCE_STRING_SIZE];
  34   UINT64                StartTimeStamp;
  35   UINT64                EndTimeStamp;
  36 } PEI_PERFORMANCE_LOG_ENTRY;
  37
  38 //
  39 // The header must be aligned at 8 bytes.
  40 //
  41 typedef struct {
  42   UINT32                             NumberOfEntries;
  43   UINT32                             Reserved;
  44 } PEI_PERFORMANCE_LOG_HEADER;
  45
  46
  47 extern EFI_GUID gPeiPerformanceHobGuid;
  48
  49 #endif