MdePkg/Include/ToBeRemoved/Variable.h

   1 /*++
   2
   3 Copyright (c) 2006, Intel Corporation
   4 All rights reserved. This program and the accompanying materials
   5 are licensed and made available under the terms and conditions of the BSD License
   6 which accompanies this distribution.  The full text of the license may be found at
   7 http://opensource.org/licenses/bsd-license.php
   8
   9 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  10 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  11
  12 Module Name:
  13
  14   EfiVariable.h
  15
  16 Abstract:
  17
  18   Header file for EFI Variable Services
  19
  20 --*/
  21
  22 #ifndef _EFI_VARIABLE_H_
  23 #define _EFI_VARIABLE_H_
  24
  25 #define VARIABLE_STORE_SIGNATURE  EFI_SIGNATURE_32 ('$', 'V', 'S', 'S')
  26
  27 #define MAX_VARIABLE_SIZE         1024
  28
  29 #define VARIABLE_DATA             0x55AA
  30
  31 //
  32 // Variable Store Header flags
  33 //
  34 #define VARIABLE_STORE_FORMATTED  0x5a
  35 #define VARIABLE_STORE_HEALTHY    0xfe
  36
  37 //
  38 // Variable Store Status
  39 //
  40 typedef enum {
  41   EfiRaw,
  42   EfiValid,
  43   EfiInvalid,
  44   EfiUnknown
  45 } VARIABLE_STORE_STATUS;
  46
  47 //
  48 // Variable State flags
  49 //
  50 #define VAR_IN_DELETED_TRANSITION     0xfe  // Variable is in obsolete transistion
  51 #define VAR_DELETED                   0xfd  // Variable is obsolete
  52 #define VAR_ADDED                     0x7f  // Variable has been completely added
  53 #define IS_VARIABLE_STATE(_c, _Mask)  (BOOLEAN) (((~_c) & (~_Mask)) != 0)
  54
  55 #pragma pack(1)
  56
  57 typedef struct {
  58   UINT32  Signature;
  59   UINT32  Size;
  60   UINT8   Format;
  61   UINT8   State;
  62   UINT16  Reserved;
  63   UINT32  Reserved1;
  64 } VARIABLE_STORE_HEADER;
  65
  66 typedef struct {
  67   UINT16    StartId;
  68   UINT8     State;
  69   UINT8     Reserved;
  70   UINT32    Attributes;
  71   UINTN     NameSize;
  72   UINTN     DataSize;
  73   EFI_GUID  VendorGuid;
  74 } VARIABLE_HEADER;
  75
  76 #pragma pack()
  77
  78 #endif // _EFI_VARIABLE_H_