MdeModulePkg/Include/Guid/VariableInfo.h

   1 /** @file
   2
   3   GUIDs used for variable list entries put in the EFI system table.
   4
   5 Copyright (c) 2006 - 2008, Intel Corporation
   6 All rights reserved. This program and the accompanying materials
   7 are licensed and made available under the terms and conditions of the BSD License
   8 which accompanies this distribution.  The full text of the license may be found at
   9 http://opensource.org/licenses/bsd-license.php
  10
  11 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  12 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  13
  14 **/
  15
  16 #ifndef __VARIABLE_INFO_GUID_H__
  17 #define __VARIABLE_INFO_GUID_H__
  18
  19 // {DDCF3616-3275-4164-98B6-FE85707FFE7D}
  20 #define EFI_VARIABLE_INFO_GUID \
  21   { 0xddcf3616, 0x3275, 0x4164, { 0x98, 0xb6, 0xfe, 0x85, 0x70, 0x7f, 0xfe, 0x7d } }
  22
  23 extern EFI_GUID gEfiVariableInfoGuid;
  24
  25
  26 typedef struct _VARIABLE_INFO_ENTRY  VARIABLE_INFO_ENTRY;
  27
  28 //
  29 // This list gets put in the EFI system table. It is produced by the Variable driver at
  30 // Boot Services time and records read and write access to a given variable
  31 //
  32 struct _VARIABLE_INFO_ENTRY {
  33   VARIABLE_INFO_ENTRY *Next;
  34   EFI_GUID            VendorGuid;
  35   CHAR16              *Name;
  36   UINT32              Attributes;
  37   UINT32              ReadCount;
  38   UINT32              WriteCount;
  39   UINT32              DeleteCount;
  40   UINT32              CacheCount;
  41   BOOLEAN             Volatile;
  42 };
  43
  44
  45 #endif