projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| 5f597758 LG |
1 | /** @file\r |
| 2 | EDK II specific implementation of UEFI variable depend on data structure.\r | |
| 3cfb790c | 3 | \r |
| 5f597758 | 4 | Copyright (c) 2006 - 2008 Intel Corporation. <BR>\r |
| 3cfb790c | 5 | All rights reserved. This program and the accompanying materials\r |
| 6 | are licensed and made available under the terms and conditions of the BSD License\r | |
| 7 | which accompanies this distribution. The full text of the license may be found at\r | |
| 8 | http://opensource.org/licenses/bsd-license.php\r | |
| 9 | \r | |
| 10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
| 11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
| 12 | \r | |
| 13 | **/\r | |
| 14 | \r | |
| 15 | #ifndef __VARIABLE_FORMAT_H__\r | |
| 16 | #define __VARIABLE_FORMAT_H__\r | |
| 17 | \r | |
| 18 | #define VARIABLE_STORE_SIGNATURE EFI_SIGNATURE_32 ('$', 'V', 'S', 'S')\r | |
| 19 | \r | |
| 71f36e0f | 20 | #ifndef MAX_VARIABLE_SIZE\r |
| 518d395c | 21 | #define MAX_VARIABLE_SIZE FixedPcdGet32(PcdMaxVariableSize)\r |
| 71f36e0f | 22 | #endif\r |
| 3cfb790c | 23 | //\r |
| 24 | // Enlarges the hardware error record maximum variable size to 32K bytes\r | |
| 25 | //\r | |
| 71f36e0f | 26 | #ifndef MAX_HARDWARE_ERROR_VARIABLE_SIZE\r |
| 518d395c | 27 | #define MAX_HARDWARE_ERROR_VARIABLE_SIZE FixedPcdGet32(PcdMaxHardwareErrorVariableSize)\r |
| 71f36e0f | 28 | #endif\r |
| 3cfb790c | 29 | \r |
| 30 | #define VARIABLE_DATA 0x55AA\r | |
| 31 | \r | |
| 32 | //\r | |
| 33 | // Variable Store Header flags\r | |
| 34 | //\r | |
| 35 | #define VARIABLE_STORE_FORMATTED 0x5a\r | |
| 36 | #define VARIABLE_STORE_HEALTHY 0xfe\r | |
| 37 | \r | |
| 38 | //\r | |
| 39 | // The alignment of variable's start offset.\r | |
| 40 | // For IA32/X64 architecture, the alignment is set to 1, and\r | |
| 41 | // 8 is for IPF archtecture.\r | |
| 42 | //\r | |
| 43 | #if defined (MDE_CPU_IPF)\r | |
| 9cad030b | 44 | #define ALIGNMENT 8\r |
| 3cfb790c | 45 | #else\r |
| 9cad030b | 46 | #define ALIGNMENT 1\r |
| 3cfb790c | 47 | #endif\r |
| 48 | \r | |
| 9cad030b | 49 | #define HEADER_ALIGNMENT 4\r |
| 50 | \r | |
| 3cfb790c | 51 | //\r |
| 52 | // Variable Store Status\r | |
| 53 | //\r | |
| 54 | typedef enum {\r | |
| 55 | EfiRaw,\r | |
| 56 | EfiValid,\r | |
| 57 | EfiInvalid,\r | |
| 58 | EfiUnknown\r | |
| 59 | } VARIABLE_STORE_STATUS;\r | |
| 60 | \r | |
| 61 | //\r | |
| 62 | // Variable State flags\r | |
| 63 | //\r | |
| 64 | #define VAR_IN_DELETED_TRANSITION 0xfe // Variable is in obsolete transistion\r | |
| 65 | #define VAR_DELETED 0xfd // Variable is obsolete\r | |
| 130e2569 | 66 | #define VAR_HEADER_VALID_ONLY 0x7f // Variable header has been valid\r |
| 67 | #define VAR_ADDED 0x3f // Variable has been completely added\r | |
| 68 | // \r | |
| 3cfb790c | 69 | #define IS_VARIABLE_STATE(_c, _Mask) (BOOLEAN) (((~_c) & (~_Mask)) != 0)\r |
| 70 | \r | |
| 71 | #pragma pack(1)\r | |
| 72 | \r | |
| 504214c4 LG |
73 | //\r |
| 74 | // Variable Store region header\r | |
| 75 | //\r | |
| 3cfb790c | 76 | typedef struct {\r |
| 77 | UINT32 Signature;\r | |
| 78 | UINT32 Size;\r | |
| 79 | UINT8 Format;\r | |
| 80 | UINT8 State;\r | |
| 81 | UINT16 Reserved;\r | |
| 82 | UINT32 Reserved1;\r | |
| 83 | } VARIABLE_STORE_HEADER;\r | |
| 84 | \r | |
| 504214c4 LG |
85 | //\r |
| 86 | // Variable header structure\r | |
| 87 | //\r | |
| 3cfb790c | 88 | typedef struct {\r |
| 89 | UINT16 StartId;\r | |
| 90 | UINT8 State;\r | |
| 91 | UINT8 Reserved;\r | |
| 92 | UINT32 Attributes;\r | |
| 93 | UINT32 NameSize;\r | |
| 94 | UINT32 DataSize;\r | |
| 95 | EFI_GUID VendorGuid;\r | |
| 96 | } VARIABLE_HEADER;\r | |
| 97 | \r | |
| 98 | #pragma pack()\r | |
| 99 | \r | |
| 100 | #endif // _EFI_VARIABLE_H_\r |