2 This file defines GUIDs used for variable list entries put in the EFI system table.
4 Copyright (c) 2006 - 2008, Intel Corporation
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
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.
15 #ifndef __VARIABLE_INFO_GUID_H__
16 #define __VARIABLE_INFO_GUID_H__
18 // {DDCF3616-3275-4164-98B6-FE85707FFE7D}
19 #define EFI_VARIABLE_INFO_GUID \
20 { 0xddcf3616, 0x3275, 0x4164, { 0x98, 0xb6, 0xfe, 0x85, 0x70, 0x7f, 0xfe, 0x7d } }
22 extern EFI_GUID gEfiVariableInfoGuid
;
25 typedef struct _VARIABLE_INFO_ENTRY VARIABLE_INFO_ENTRY
;
28 /// This list gets put in the EFI system table. It is produced by the Variable driver at
29 /// Boot Services time and records read and write access to a given variable
31 struct _VARIABLE_INFO_ENTRY
{
32 VARIABLE_INFO_ENTRY
*Next
; /// Pointer to next entry
33 EFI_GUID VendorGuid
; /// Guid of Variable
34 CHAR16
*Name
; /// Name of Variable
35 UINT32 Attributes
; /// Attributes of variable defined in UEFI spec
36 UINT32 ReadCount
; /// Times to read this variable
37 UINT32 WriteCount
; /// Times to write this variable
38 UINT32 DeleteCount
; /// Times to delete this variable
39 UINT32 CacheCount
; /// Times that cache hits this variable
40 BOOLEAN Volatile
; /// TRUE if volatile FALSE if non-volatile