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878ddf1f | 1 | /*++\r |
2 | \r | |
ce8bd86e | 3 | Copyright (c) 2006 - 2007, 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 | |
878ddf1f | 11 | \r |
12 | Module Name:\r | |
13 | \r | |
14 | Variable.h\r | |
ce8bd86e | 15 | \r |
878ddf1f | 16 | Abstract:\r |
17 | \r | |
18 | --*/\r | |
19 | \r | |
20 | #ifndef _VARIABLE_H\r | |
21 | #define _VARIABLE_H\r | |
22 | \r | |
23 | //\r | |
24 | // Statements that include other header files\r | |
25 | //\r | |
26 | \r | |
27 | //\r | |
28 | // BugBug: We need relcate the head file.\r | |
ce8bd86e | 29 | //\r |
878ddf1f | 30 | #include <Common/Variable.h>\r |
31 | \r | |
c65c1e1e | 32 | #define VARIABLE_RECLAIM_THRESHOLD (1024)\r |
878ddf1f | 33 | \r |
34 | #define VARIABLE_STORE_SIZE (64 * 1024)\r | |
35 | #define SCRATCH_SIZE (4 * 1024)\r | |
36 | \r | |
37 | //\r | |
38 | // Define GET_PAD_SIZE to optimize compiler\r | |
39 | //\r | |
40 | #if ((ALIGNMENT == 0) || (ALIGNMENT == 1))\r | |
41 | #define GET_PAD_SIZE(a) (0)\r | |
42 | #else\r | |
43 | #define GET_PAD_SIZE(a) (((~a) + 1) & (ALIGNMENT - 1))\r | |
44 | #endif\r | |
45 | \r | |
46 | #define GET_VARIABLE_NAME_PTR(a) (CHAR16 *) ((UINTN) (a) + sizeof (VARIABLE_HEADER))\r | |
47 | \r | |
48 | typedef enum {\r | |
49 | Physical,\r | |
50 | Virtual\r | |
51 | } VARIABLE_POINTER_TYPE;\r | |
52 | \r | |
53 | typedef struct {\r | |
54 | VARIABLE_HEADER *CurrPtr;\r | |
55 | VARIABLE_HEADER *EndPtr;\r | |
56 | VARIABLE_HEADER *StartPtr;\r | |
57 | BOOLEAN Volatile;\r | |
58 | } VARIABLE_POINTER_TRACK;\r | |
59 | \r | |
60 | typedef struct {\r | |
61 | EFI_PHYSICAL_ADDRESS VolatileVariableBase;\r | |
62 | EFI_PHYSICAL_ADDRESS NonVolatileVariableBase;\r | |
6ed71dcc | 63 | EFI_LOCK VariableServicesLock;\r |
878ddf1f | 64 | } VARIABLE_GLOBAL;\r |
65 | \r | |
66 | typedef struct {\r | |
6ed71dcc | 67 | VARIABLE_GLOBAL VariableGlobal[2];\r |
878ddf1f | 68 | UINTN VolatileLastVariableOffset;\r |
69 | UINTN NonVolatileLastVariableOffset;\r | |
70 | UINT32 FvbInstance;\r | |
71 | } ESAL_VARIABLE_GLOBAL;\r | |
72 | \r | |
92dda53e | 73 | extern ESAL_VARIABLE_GLOBAL *mVariableModuleGlobal;\r |
74 | \r | |
878ddf1f | 75 | //\r |
76 | // Functions\r | |
77 | //\r | |
78 | EFI_STATUS\r | |
79 | EFIAPI\r | |
80 | VariableCommonInitialize (\r | |
81 | IN EFI_HANDLE ImageHandle,\r | |
82 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
83 | )\r | |
84 | ;\r | |
85 | \r | |
86 | EFI_STATUS\r | |
87 | EFIAPI\r | |
88 | VariableServiceInitialize (\r | |
89 | IN EFI_HANDLE ImageHandle,\r | |
90 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
91 | )\r | |
92 | ;\r | |
93 | \r | |
94 | VOID\r | |
95 | EFIAPI\r | |
96 | VariableClassAddressChangeEvent (\r | |
97 | IN EFI_EVENT Event,\r | |
98 | IN VOID *Context\r | |
99 | )\r | |
100 | ;\r | |
101 | \r | |
102 | EFI_STATUS\r | |
103 | EFIAPI\r | |
104 | GetVariable (\r | |
105 | IN CHAR16 *VariableName,\r | |
106 | IN EFI_GUID * VendorGuid,\r | |
107 | OUT UINT32 *Attributes OPTIONAL,\r | |
108 | IN OUT UINTN *DataSize,\r | |
109 | OUT VOID *Data,\r | |
110 | IN VARIABLE_GLOBAL * Global,\r | |
111 | IN UINT32 Instance\r | |
112 | )\r | |
113 | ;\r | |
114 | \r | |
115 | EFI_STATUS\r | |
116 | EFIAPI\r | |
117 | GetNextVariableName (\r | |
118 | IN OUT UINTN *VariableNameSize,\r | |
119 | IN OUT CHAR16 *VariableName,\r | |
120 | IN OUT EFI_GUID *VendorGuid,\r | |
121 | IN VARIABLE_GLOBAL *Global,\r | |
122 | IN UINT32 Instance\r | |
123 | )\r | |
124 | ;\r | |
125 | \r | |
126 | EFI_STATUS\r | |
127 | EFIAPI\r | |
128 | SetVariable (\r | |
129 | IN CHAR16 *VariableName,\r | |
130 | IN EFI_GUID *VendorGuid,\r | |
131 | IN UINT32 Attributes,\r | |
132 | IN UINTN DataSize,\r | |
133 | IN VOID *Data,\r | |
134 | IN VARIABLE_GLOBAL *Global,\r | |
135 | IN UINTN *VolatileOffset,\r | |
136 | IN UINTN *NonVolatileOffset,\r | |
137 | IN UINT32 Instance\r | |
138 | )\r | |
139 | ;\r | |
140 | \r | |
045f4521 | 141 | EFI_STATUS\r |
142 | EFIAPI\r | |
143 | QueryVariableInfo (\r | |
144 | IN UINT32 Attributes,\r | |
145 | OUT UINT64 *MaximumVariableStorageSize,\r | |
146 | OUT UINT64 *RemainingVariableStorageSize,\r | |
147 | OUT UINT64 *MaximumVariableSize,\r | |
148 | IN VARIABLE_GLOBAL *Global,\r | |
149 | IN UINT32 Instance\r | |
150 | )\r | |
151 | ;\r | |
045f4521 | 152 | \r |
878ddf1f | 153 | #endif\r |