878ddf1f |
1 | /*++\r |
2 | \r |
3 | Copyright (c) 2006, Intel Corporation \r |
4 | All rights reserved. This program and the accompanying materials \r |
5 | are licensed and made available under the terms and conditions of the BSD License \r |
6 | which accompanies this distribution. The full text of the license may be found at \r |
7 | http://opensource.org/licenses/bsd-license.php \r |
8 | \r |
9 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r |
10 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r |
11 | \r |
12 | Module Name:\r |
13 | \r |
14 | EfiVariable.h\r |
15 | \r |
16 | Abstract:\r |
17 | \r |
18 | Header file for EFI Variable Services\r |
19 | \r |
20 | --*/\r |
21 | \r |
22 | #ifndef _EFI_VARIABLE_H_\r |
23 | #define _EFI_VARIABLE_H_\r |
24 | \r |
25 | #define VARIABLE_STORE_SIGNATURE EFI_SIGNATURE_32 ('$', 'V', 'S', 'S')\r |
26 | \r |
27 | #define MAX_VARIABLE_SIZE 1024\r |
28 | \r |
29 | #define VARIABLE_DATA 0x55AA\r |
30 | \r |
31 | //\r |
32 | // Variable Store Header flags\r |
33 | //\r |
34 | #define VARIABLE_STORE_FORMATTED 0x5a\r |
35 | #define VARIABLE_STORE_HEALTHY 0xfe\r |
36 | \r |
37 | //\r |
38 | // Variable Store Status\r |
39 | //\r |
40 | typedef enum {\r |
41 | EfiRaw,\r |
42 | EfiValid,\r |
43 | EfiInvalid,\r |
44 | EfiUnknown\r |
45 | } VARIABLE_STORE_STATUS;\r |
46 | \r |
47 | //\r |
48 | // Variable State flags\r |
49 | //\r |
50 | #define VAR_IN_DELETED_TRANSITION 0xfe // Variable is in obsolete transistion\r |
51 | #define VAR_DELETED 0xfd // Variable is obsolete\r |
52 | #define VAR_ADDED 0x7f // Variable has been completely added\r |
53 | #define IS_VARIABLE_STATE(_c, _Mask) (BOOLEAN) (((~_c) & (~_Mask)) != 0)\r |
54 | \r |
55 | #pragma pack(1)\r |
56 | \r |
57 | typedef struct {\r |
58 | UINT32 Signature;\r |
59 | UINT32 Size;\r |
60 | UINT8 Format;\r |
61 | UINT8 State;\r |
62 | UINT16 Reserved;\r |
63 | UINT32 Reserved1;\r |
64 | } VARIABLE_STORE_HEADER;\r |
65 | \r |
66 | typedef struct {\r |
67 | UINT16 StartId;\r |
68 | UINT8 State;\r |
69 | UINT8 Reserved;\r |
70 | UINT32 Attributes;\r |
71 | UINT32 NameSize;\r |
72 | UINT32 DataSize;\r |
73 | EFI_GUID VendorGuid;\r |
74 | } VARIABLE_HEADER;\r |
75 | \r |
76 | #pragma pack()\r |
77 | \r |
78 | #endif // _EFI_VARIABLE_H_\r |