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878ddf1f 1/*++\r
2\r
3Copyright (c) 2006, Intel Corporation \r
4All rights reserved. This program and the accompanying materials \r
5are licensed and made available under the terms and conditions of the BSD License \r
6which accompanies this distribution. The full text of the license may be found at \r
7http://opensource.org/licenses/bsd-license.php \r
8 \r
9THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r
10WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r
11\r
12Module Name:\r
13\r
14 Variable.h\r
15 \r
16Abstract:\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
29// \r
30#include <Common/Variable.h>\r
31\r
32#if defined (MDE_CPU_IPF)\r
33#define ALIGNMENT 8\r
34#else\r
35#define ALIGNMENT 1\r
36#endif\r
37\r
c65c1e1e 38#define VARIABLE_RECLAIM_THRESHOLD (1024)\r
878ddf1f 39\r
40#define VARIABLE_STORE_SIZE (64 * 1024)\r
41#define SCRATCH_SIZE (4 * 1024)\r
42\r
43//\r
44// Define GET_PAD_SIZE to optimize compiler\r
45//\r
46#if ((ALIGNMENT == 0) || (ALIGNMENT == 1))\r
47#define GET_PAD_SIZE(a) (0)\r
48#else\r
49#define GET_PAD_SIZE(a) (((~a) + 1) & (ALIGNMENT - 1))\r
50#endif\r
51\r
52#define GET_VARIABLE_NAME_PTR(a) (CHAR16 *) ((UINTN) (a) + sizeof (VARIABLE_HEADER))\r
53\r
54typedef enum {\r
55 Physical,\r
56 Virtual\r
57} VARIABLE_POINTER_TYPE;\r
58\r
59typedef struct {\r
60 VARIABLE_HEADER *CurrPtr;\r
61 VARIABLE_HEADER *EndPtr;\r
62 VARIABLE_HEADER *StartPtr;\r
63 BOOLEAN Volatile;\r
64} VARIABLE_POINTER_TRACK;\r
65\r
66typedef struct {\r
67 EFI_PHYSICAL_ADDRESS VolatileVariableBase;\r
68 EFI_PHYSICAL_ADDRESS NonVolatileVariableBase;\r
69} VARIABLE_GLOBAL;\r
70\r
71typedef struct {\r
72 VARIABLE_GLOBAL VariableBase[2];\r
73 UINTN VolatileLastVariableOffset;\r
74 UINTN NonVolatileLastVariableOffset;\r
75 UINT32 FvbInstance;\r
76} ESAL_VARIABLE_GLOBAL;\r
77\r
78//\r
79// Functions\r
80//\r
81EFI_STATUS\r
82EFIAPI\r
83VariableCommonInitialize (\r
84 IN EFI_HANDLE ImageHandle,\r
85 IN EFI_SYSTEM_TABLE *SystemTable\r
86 )\r
87;\r
88\r
89EFI_STATUS\r
90EFIAPI\r
91VariableServiceInitialize (\r
92 IN EFI_HANDLE ImageHandle,\r
93 IN EFI_SYSTEM_TABLE *SystemTable\r
94 )\r
95;\r
96\r
97VOID\r
98EFIAPI\r
99VariableClassAddressChangeEvent (\r
100 IN EFI_EVENT Event,\r
101 IN VOID *Context\r
102 )\r
103;\r
104\r
105EFI_STATUS\r
106EFIAPI\r
107GetVariable (\r
108 IN CHAR16 *VariableName,\r
109 IN EFI_GUID * VendorGuid,\r
110 OUT UINT32 *Attributes OPTIONAL,\r
111 IN OUT UINTN *DataSize,\r
112 OUT VOID *Data,\r
113 IN VARIABLE_GLOBAL * Global,\r
114 IN UINT32 Instance\r
115 )\r
116;\r
117\r
118EFI_STATUS\r
119EFIAPI\r
120GetNextVariableName (\r
121 IN OUT UINTN *VariableNameSize,\r
122 IN OUT CHAR16 *VariableName,\r
123 IN OUT EFI_GUID *VendorGuid,\r
124 IN VARIABLE_GLOBAL *Global,\r
125 IN UINT32 Instance\r
126 )\r
127;\r
128\r
129EFI_STATUS\r
130EFIAPI\r
131SetVariable (\r
132 IN CHAR16 *VariableName,\r
133 IN EFI_GUID *VendorGuid,\r
134 IN UINT32 Attributes,\r
135 IN UINTN DataSize,\r
136 IN VOID *Data,\r
137 IN VARIABLE_GLOBAL *Global,\r
138 IN UINTN *VolatileOffset,\r
139 IN UINTN *NonVolatileOffset,\r
140 IN UINT32 Instance\r
141 )\r
142;\r
143\r
045f4521 144#if (EFI_SPECIFICATION_VERSION >= 0x00020000)\r
145EFI_STATUS\r
146EFIAPI\r
147QueryVariableInfo (\r
148 IN UINT32 Attributes,\r
149 OUT UINT64 *MaximumVariableStorageSize,\r
150 OUT UINT64 *RemainingVariableStorageSize,\r
151 OUT UINT64 *MaximumVariableSize,\r
152 IN VARIABLE_GLOBAL *Global,\r
153 IN UINT32 Instance\r
154 )\r
155;\r
156#endif\r
157\r
878ddf1f 158#endif\r