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1 | /*++\r |
2 | \r |
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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 |
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11 | \r |
12 | Module Name:\r |
13 | \r |
14 | Variable.h\r |
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15 | \r |
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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 |
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29 | //\r |
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30 | #include <Common/Variable.h>\r |
31 | \r |
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32 | #define VARIABLE_RECLAIM_THRESHOLD (1024)\r |
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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 |
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63 | EFI_LOCK VariableServicesLock;\r |
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64 | } VARIABLE_GLOBAL;\r |
65 | \r |
66 | typedef struct {\r |
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67 | VARIABLE_GLOBAL VariableGlobal[2];\r |
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68 | UINTN VolatileLastVariableOffset;\r |
69 | UINTN NonVolatileLastVariableOffset;\r |
70 | UINT32 FvbInstance;\r |
71 | } ESAL_VARIABLE_GLOBAL;\r |
72 | \r |
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73 | extern ESAL_VARIABLE_GLOBAL *mVariableModuleGlobal;\r |
74 | \r |
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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 |
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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 |
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152 | \r |
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153 | #endif\r |