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1 | /**@file\r |
2 | Header file for EFI Variable Services.\r |
3 | \r |
4 | Copyright (c) 2006 - 2007 Intel Corporation. <BR>\r |
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 |
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20 | #define MAX_VARIABLE_SIZE FixedPcdGet32(PcdMaxVariableSize)\r |
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21 | \r |
22 | //\r |
23 | // Enlarges the hardware error record maximum variable size to 32K bytes\r |
24 | //\r |
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25 | #define MAX_HARDWARE_ERROR_VARIABLE_SIZE FixedPcdGet32(PcdMaxHardwareErrorVariableSize)\r |
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26 | \r |
27 | #define VARIABLE_DATA 0x55AA\r |
28 | \r |
29 | //\r |
30 | // Variable Store Header flags\r |
31 | //\r |
32 | #define VARIABLE_STORE_FORMATTED 0x5a\r |
33 | #define VARIABLE_STORE_HEALTHY 0xfe\r |
34 | \r |
35 | //\r |
36 | // The alignment of variable's start offset.\r |
37 | // For IA32/X64 architecture, the alignment is set to 1, and\r |
38 | // 8 is for IPF archtecture.\r |
39 | //\r |
40 | #if defined (MDE_CPU_IPF)\r |
41 | #define ALIGNMENT 8\r |
42 | #else\r |
43 | #define ALIGNMENT 1\r |
44 | #endif\r |
45 | \r |
46 | //\r |
47 | // Variable Store Status\r |
48 | //\r |
49 | typedef enum {\r |
50 | EfiRaw,\r |
51 | EfiValid,\r |
52 | EfiInvalid,\r |
53 | EfiUnknown\r |
54 | } VARIABLE_STORE_STATUS;\r |
55 | \r |
56 | //\r |
57 | // Variable State flags\r |
58 | //\r |
59 | #define VAR_IN_DELETED_TRANSITION 0xfe // Variable is in obsolete transistion\r |
60 | #define VAR_DELETED 0xfd // Variable is obsolete\r |
61 | #define VAR_ADDED 0x7f // Variable has been completely added\r |
62 | #define IS_VARIABLE_STATE(_c, _Mask) (BOOLEAN) (((~_c) & (~_Mask)) != 0)\r |
63 | \r |
64 | #pragma pack(1)\r |
65 | \r |
66 | typedef struct {\r |
67 | UINT32 Signature;\r |
68 | UINT32 Size;\r |
69 | UINT8 Format;\r |
70 | UINT8 State;\r |
71 | UINT16 Reserved;\r |
72 | UINT32 Reserved1;\r |
73 | } VARIABLE_STORE_HEADER;\r |
74 | \r |
75 | typedef struct {\r |
76 | UINT16 StartId;\r |
77 | UINT8 State;\r |
78 | UINT8 Reserved;\r |
79 | UINT32 Attributes;\r |
80 | UINT32 NameSize;\r |
81 | UINT32 DataSize;\r |
82 | EFI_GUID VendorGuid;\r |
83 | } VARIABLE_HEADER;\r |
84 | \r |
85 | #pragma pack()\r |
86 | \r |
87 | #endif // _EFI_VARIABLE_H_\r |