| /*++ | |
| 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') | |
| #ifndef MAX_VARIABLE_SIZE | |
| #define MAX_VARIABLE_SIZE 1024 | |
| #endif | |
| // | |
| // Enlarges the hardware error record maximum variable size to 32K bytes | |
| // | |
| #if (EFI_SPECIFICATION_VERSION >= 0x0002000A) | |
| #ifndef MAX_HARDWARE_ERROR_VARIABLE_SIZE | |
| #define MAX_HARDWARE_ERROR_VARIABLE_SIZE 0x8000 | |
| #endif | |
| #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| #define VAR_DELETED 0xfd // Variable is obsolete | |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_ |