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1 | /** @file\r | |
2 | Implements get/set firmware volume attributes\r | |
3 | \r | |
4 | Copyright (c) 2006 - 2008, 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 | #include "DxeMain.h"\r | |
16 | \r | |
17 | \r | |
18 | /**\r | |
19 | Retrieves attributes, insures positive polarity of attribute bits, returns\r | |
20 | resulting attributes in output parameter.\r | |
21 | \r | |
22 | @param This Calling context\r | |
23 | @param Attributes output buffer which contains attributes\r | |
24 | \r | |
25 | @retval EFI_SUCCESS Successfully got volume attributes\r | |
26 | \r | |
27 | **/\r | |
28 | EFI_STATUS\r | |
29 | EFIAPI\r | |
30 | FvGetVolumeAttributes (\r | |
31 | IN CONST EFI_FIRMWARE_VOLUME2_PROTOCOL *This,\r | |
32 | OUT EFI_FV_ATTRIBUTES *Attributes\r | |
33 | )\r | |
34 | {\r | |
35 | EFI_STATUS Status;\r | |
36 | FV_DEVICE *FvDevice;\r | |
37 | EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *Fvb;\r | |
38 | EFI_FVB_ATTRIBUTES FvbAttributes;\r | |
39 | \r | |
40 | FvDevice = FV_DEVICE_FROM_THIS (This);\r | |
41 | Fvb = FvDevice->Fvb;\r | |
42 | \r | |
43 | if (FvDevice->CachedFv == NULL) {\r | |
44 | Status = FvCheck (FvDevice);\r | |
45 | if (EFI_ERROR (Status)) {\r | |
46 | return Status;\r | |
47 | }\r | |
48 | }\r | |
49 | \r | |
50 | //\r | |
51 | // First get the Firmware Volume Block Attributes\r | |
52 | //\r | |
53 | Status = Fvb->GetAttributes (Fvb, &FvbAttributes);\r | |
54 | \r | |
55 | //\r | |
56 | // Mask out Fvb bits that are not defined in FV\r | |
57 | //\r | |
58 | FvbAttributes &= 0xfffff0ff;\r | |
59 | \r | |
60 | *Attributes = (EFI_FV_ATTRIBUTES)FvbAttributes;\r | |
61 | \r | |
62 | return Status;\r | |
63 | }\r | |
64 | \r | |
65 | \r | |
66 | \r | |
67 | /**\r | |
68 | Sets current attributes for volume\r | |
69 | \r | |
70 | @param This Calling context\r | |
71 | @param Attributes At input, contains attributes to be set. At output\r | |
72 | contains new value of FV\r | |
73 | \r | |
74 | @retval EFI_UNSUPPORTED Could not be set.\r | |
75 | \r | |
76 | **/\r | |
77 | EFI_STATUS\r | |
78 | EFIAPI\r | |
79 | FvSetVolumeAttributes (\r | |
80 | IN CONST EFI_FIRMWARE_VOLUME2_PROTOCOL *This,\r | |
81 | IN OUT EFI_FV_ATTRIBUTES *Attributes\r | |
82 | )\r | |
83 | {\r | |
84 | return EFI_UNSUPPORTED;\r | |
85 | }\r | |
86 | \r | |
87 | \r | |
88 | /**\r | |
89 | Return information of type InformationType for the requested firmware\r | |
90 | volume.\r | |
91 | \r | |
92 | @param This Pointer to EFI_FIRMWARE_VOLUME2_PROTOCOL.\r | |
93 | @param InformationType InformationType for requested.\r | |
94 | @param BufferSize On input, size of Buffer.On output, the amount of data\r | |
95 | returned in Buffer.\r | |
96 | @param Buffer A poniter to the data buffer to return.\r | |
97 | \r | |
98 | @retval EFI_SUCCESS Successfully got volume Information.\r | |
99 | \r | |
100 | **/\r | |
101 | EFI_STATUS\r | |
102 | EFIAPI\r | |
103 | FvGetVolumeInfo (\r | |
104 | IN CONST EFI_FIRMWARE_VOLUME2_PROTOCOL *This,\r | |
105 | IN CONST EFI_GUID *InformationType,\r | |
106 | IN OUT UINTN *BufferSize,\r | |
107 | OUT VOID *Buffer\r | |
108 | )\r | |
109 | {\r | |
110 | return EFI_UNSUPPORTED;\r | |
111 | }\r | |
112 | \r | |
113 | \r | |
114 | \r | |
115 | /**\r | |
116 | Set information of type InformationType for the requested firmware\r | |
117 | volume.\r | |
118 | \r | |
119 | @param This Pointer to EFI_FIRMWARE_VOLUME2_PROTOCOL.\r | |
120 | @param InformationType InformationType for requested.\r | |
121 | @param BufferSize On input, size of Buffer.On output, the amount of data\r | |
122 | returned in Buffer.\r | |
123 | @param Buffer A poniter to the data buffer to return.\r | |
124 | \r | |
125 | @retval EFI_SUCCESS Successfully set volume Information.\r | |
126 | \r | |
127 | **/\r | |
128 | EFI_STATUS\r | |
129 | EFIAPI\r | |
130 | FvSetVolumeInfo (\r | |
131 | IN CONST EFI_FIRMWARE_VOLUME2_PROTOCOL *This,\r | |
132 | IN CONST EFI_GUID *InformationType,\r | |
133 | IN UINTN BufferSize,\r | |
134 | IN CONST VOID *Buffer\r | |
135 | )\r | |
136 | {\r | |
137 | return EFI_UNSUPPORTED;\r | |
138 | }\r | |
139 | \r | |
140 | \r | |
141 | \r |