BaseTools/Source/C/Include/Common/VariableFormat.h

   1 /**@file
   2   Header file for EFI Variable Services.
   3
   4   Copyright (c) 2007 - 2008, Intel Corporation. All rights reserved.<BR>
   5
   6   This program and the accompanying materials are licensed and made available
   7   under the terms and conditions of the BSD License which accompanies this
   8   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   File Name: VariableFormat.h
  15
  16 **/
  17
  18 #ifndef __VARIABLE_FORMAT_H__
  19 #define __VARIABLE_FORMAT_H__
  20
  21 #define VARIABLE_STORE_SIGNATURE  EFI_SIGNATURE_32 ('$', 'V', 'S', 'S')
  22
  23 #define VARIABLE_DATA                     0x55AA
  24
  25 //
  26 // Variable Store Header flags
  27 //
  28 #define VARIABLE_STORE_FORMATTED          0x5a
  29 #define VARIABLE_STORE_HEALTHY            0xfe
  30
  31 #pragma pack(1)
  32
  33 typedef struct {
  34   UINT32  Signature;
  35   UINT32  Size;
  36   UINT8   Format;
  37   UINT8   State;
  38   UINT16  Reserved;
  39   UINT32  Reserved1;
  40 } VARIABLE_STORE_HEADER;
  41
  42 typedef struct {
  43   UINT16      StartId;
  44   UINT8       State;
  45   UINT8       Reserved;
  46   UINT32      Attributes;
  47   UINT32      NameSize;
  48   UINT32      DataSize;
  49   EFI_GUID    VendorGuid;
  50 } VARIABLE_HEADER;
  51
  52 #pragma pack()
  53
  54 #endif // _EFI_VARIABLE_H_