/*++ | |
Copyright (c) 2004, Intel Corporation | |
All rights reserved. This program and the accompanying materials | |
are licensed and made available under the terms and conditions of the BSD License | |
which accompanies this distribution. The full text of the license may be found at | |
http://opensource.org/licenses/bsd-license.php | |
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, | |
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. | |
Module Name: | |
EfiVariable.h | |
Abstract: | |
Header file for EFI Variable Services | |
--*/ | |
#ifndef _EFI_VARIABLE_H_ | |
#define _EFI_VARIABLE_H_ | |
#define VARIABLE_STORE_SIGNATURE EFI_SIGNATURE_32 ('$', 'V', 'S', 'S') | |
#define MAX_VARIABLE_SIZE 1024 | |
// | |
// Enlarges the hardware error record maximum variable size to 32K bytes | |
// | |
#if (EFI_SPECIFICATION_VERSION >= 0x0002000A) | |
#define MAX_HARDWARE_ERROR_VARIABLE_SIZE 0x8000 | |
#endif | |
#define VARIABLE_DATA 0x55AA | |
// | |
// Variable Store Header flags | |
// | |
#define VARIABLE_STORE_FORMATTED 0x5a | |
#define VARIABLE_STORE_HEALTHY 0xfe | |
// | |
// Variable Store Status | |
// | |
typedef enum { | |
EfiRaw, | |
EfiValid, | |
EfiInvalid, | |
EfiUnknown | |
} VARIABLE_STORE_STATUS; | |
// | |
// Variable State flags | |
// | |
#define VAR_IN_DELETED_TRANSITION 0xfe // Variable is in obsolete transistion | |
#define VAR_DELETED 0xfd // Variable is obsolete | |
#define VAR_ADDED 0x7f // Variable has been completely added | |
#define IS_VARIABLE_STATE(_c, _Mask) (BOOLEAN) (((~_c) & (~_Mask)) != 0) | |
#pragma pack(1) | |
typedef struct { | |
UINT32 Signature; | |
UINT32 Size; | |
UINT8 Format; | |
UINT8 State; | |
UINT16 Reserved; | |
UINT32 Reserved1; | |
} VARIABLE_STORE_HEADER; | |
typedef struct { | |
UINT16 StartId; | |
UINT8 State; | |
UINT8 Reserved; | |
UINT32 Attributes; | |
UINT32 NameSize; | |
UINT32 DataSize; | |
EFI_GUID VendorGuid; | |
} VARIABLE_HEADER; | |
#pragma pack() | |
#endif // _EFI_VARIABLE_H_ |