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

   1 /**@file
   2   Header file for EFI Variable Services.
   3
   4   Copyright (c) 2007 - 2018, 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 **/
  15
  16 #ifndef __VARIABLE_FORMAT_H__
  17 #define __VARIABLE_FORMAT_H__
  18
  19 #define VARIABLE_DATA                     0x55AA
  20
  21 //
  22 // Variable Store Header flags
  23 //
  24 #define VARIABLE_STORE_FORMATTED          0x5a
  25 #define VARIABLE_STORE_HEALTHY            0xfe
  26
  27 #pragma pack(1)
  28
  29 typedef struct {
  30   EFI_GUID  Signature;
  31   UINT32    Size;
  32   UINT8     Format;
  33   UINT8     State;
  34   UINT16    Reserved;
  35   UINT32    Reserved1;
  36 } VARIABLE_STORE_HEADER;
  37
  38 typedef struct {
  39   UINT16      StartId;
  40   UINT8       State;
  41   UINT8       Reserved;
  42   UINT32      Attributes;
  43   UINT32      NameSize;
  44   UINT32      DataSize;
  45   EFI_GUID    VendorGuid;
  46 } VARIABLE_HEADER;
  47
  48 #pragma pack()
  49
  50 #endif // _EFI_VARIABLE_H_