]> git.proxmox.com Git - mirror_edk2.git/blame_incremental - MdeModulePkg/Core/Dxe/FwVolBlock/FwVolBlock.h
Clean up to update the reference of the these macros:
[mirror_edk2.git] / MdeModulePkg / Core / Dxe / FwVolBlock / FwVolBlock.h
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1/** @file\r
2 Firmware Volume Block protocol functions.\r
3 Consumes FV hobs and creates appropriate block protocols.\r
4\r
5Copyright (c) 2006 - 2008, Intel Corporation. <BR>\r
6All rights reserved. This program and the accompanying materials\r
7are licensed and made available under the terms and conditions of the BSD License\r
8which accompanies this distribution. The full text of the license may be found at\r
9http://opensource.org/licenses/bsd-license.php\r
10\r
11THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
12WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
13\r
14**/\r
15\r
16#ifndef _FWVOL_BLOCK_H_\r
17#define _FWVOL_BLOCK_H_\r
18\r
19\r
20#define FVB_DEVICE_SIGNATURE SIGNATURE_32('_','F','V','B')\r
21\r
22\r
23typedef struct {\r
24 UINTN Base;\r
25 UINTN Length;\r
26} LBA_CACHE;\r
27\r
28\r
29typedef struct {\r
30 MEMMAP_DEVICE_PATH MemMapDevPath;\r
31 EFI_DEVICE_PATH_PROTOCOL EndDevPath;\r
32} FV_DEVICE_PATH;\r
33\r
34\r
35typedef struct {\r
36 UINTN Signature;\r
37 EFI_HANDLE Handle;\r
38 FV_DEVICE_PATH DevicePath;\r
39 EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL FwVolBlockInstance;\r
40 UINTN NumBlocks;\r
41 LBA_CACHE *LbaCache;\r
42 UINT32 FvbAttributes;\r
43 EFI_PHYSICAL_ADDRESS BaseAddress;\r
44} EFI_FW_VOL_BLOCK_DEVICE;\r
45\r
46\r
47#define FVB_DEVICE_FROM_THIS(a) \\r
48 CR(a, EFI_FW_VOL_BLOCK_DEVICE, FwVolBlockInstance, FVB_DEVICE_SIGNATURE)\r
49\r
50\r
51/**\r
52 Retrieves Volume attributes. No polarity translations are done.\r
53\r
54 @param This Calling context\r
55 @param Attributes output buffer which contains attributes\r
56\r
57 @retval EFI_SUCCESS The firmware volume attributes were returned.\r
58\r
59**/\r
60EFI_STATUS\r
61EFIAPI\r
62FwVolBlockGetAttributes (\r
63 IN CONST EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *This,\r
64 OUT EFI_FVB_ATTRIBUTES_2 *Attributes\r
65 );\r
66\r
67\r
68\r
69/**\r
70 Modifies the current settings of the firmware volume according to the input parameter.\r
71\r
72 @param This Calling context\r
73 @param Attributes input buffer which contains attributes\r
74\r
75 @retval EFI_SUCCESS The firmware volume attributes were returned.\r
76 @retval EFI_INVALID_PARAMETER The attributes requested are in conflict with\r
77 the capabilities as declared in the firmware\r
78 volume header.\r
79 @retval EFI_UNSUPPORTED Not supported.\r
80\r
81**/\r
82EFI_STATUS\r
83EFIAPI\r
84FwVolBlockSetAttributes (\r
85 IN CONST EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *This,\r
86 IN CONST EFI_FVB_ATTRIBUTES_2 *Attributes\r
87 );\r
88\r
89\r
90\r
91/**\r
92 The EraseBlock() function erases one or more blocks as denoted by the\r
93 variable argument list. The entire parameter list of blocks must be verified\r
94 prior to erasing any blocks. If a block is requested that does not exist\r
95 within the associated firmware volume (it has a larger index than the last\r
96 block of the firmware volume), the EraseBlock() function must return\r
97 EFI_INVALID_PARAMETER without modifying the contents of the firmware volume.\r
98\r
99 @param This Calling context\r
100 @param ... Starting LBA followed by Number of Lba to erase.\r
101 a -1 to terminate the list.\r
102\r
103 @retval EFI_SUCCESS The erase request was successfully completed.\r
104 @retval EFI_ACCESS_DENIED The firmware volume is in the WriteDisabled\r
105 state.\r
106 @retval EFI_DEVICE_ERROR The block device is not functioning correctly\r
107 and could not be written. The firmware device\r
108 may have been partially erased.\r
109 @retval EFI_INVALID_PARAMETER One or more of the LBAs listed in the variable\r
110 argument list do\r
111 @retval EFI_UNSUPPORTED Not supported.\r
112\r
113**/\r
114EFI_STATUS\r
115EFIAPI\r
116FwVolBlockEraseBlock (\r
117 IN EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *This,\r
118 ...\r
119 );\r
120\r
121\r
122\r
123/**\r
124 Read the specified number of bytes from the block to the input buffer.\r
125\r
126 @param This Indicates the calling context.\r
127 @param Lba The starting logical block index to read.\r
128 @param Offset Offset into the block at which to begin reading.\r
129 @param NumBytes Pointer to a UINT32. At entry, *NumBytes\r
130 contains the total size of the buffer. At exit,\r
131 *NumBytes contains the total number of bytes\r
132 actually read.\r
133 @param Buffer Pinter to a caller-allocated buffer that\r
134 contains the destine for the read.\r
135\r
136 @retval EFI_SUCCESS The firmware volume was read successfully.\r
137 @retval EFI_BAD_BUFFER_SIZE The read was attempted across an LBA boundary.\r
138 @retval EFI_ACCESS_DENIED Access denied.\r
139 @retval EFI_DEVICE_ERROR The block device is malfunctioning and could not\r
140 be read.\r
141\r
142**/\r
143EFI_STATUS\r
144EFIAPI\r
145FwVolBlockReadBlock (\r
146 IN CONST EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *This,\r
147 IN CONST EFI_LBA Lba,\r
148 IN CONST UINTN Offset,\r
149 IN OUT UINTN *NumBytes,\r
150 IN OUT UINT8 *Buffer\r
151 );\r
152\r
153\r
154\r
155/**\r
156 Writes the specified number of bytes from the input buffer to the block.\r
157\r
158 @param This Indicates the calling context.\r
159 @param Lba The starting logical block index to write to.\r
160 @param Offset Offset into the block at which to begin writing.\r
161 @param NumBytes Pointer to a UINT32. At entry, *NumBytes\r
162 contains the total size of the buffer. At exit,\r
163 *NumBytes contains the total number of bytes\r
164 actually written.\r
165 @param Buffer Pinter to a caller-allocated buffer that\r
166 contains the source for the write.\r
167\r
168 @retval EFI_SUCCESS The firmware volume was written successfully.\r
169 @retval EFI_BAD_BUFFER_SIZE The write was attempted across an LBA boundary.\r
170 On output, NumBytes contains the total number of\r
171 bytes actually written.\r
172 @retval EFI_ACCESS_DENIED The firmware volume is in the WriteDisabled\r
173 state.\r
174 @retval EFI_DEVICE_ERROR The block device is malfunctioning and could not\r
175 be written.\r
176 @retval EFI_UNSUPPORTED Not supported.\r
177\r
178**/\r
179EFI_STATUS\r
180EFIAPI\r
181FwVolBlockWriteBlock (\r
182 IN EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *This,\r
183 IN EFI_LBA Lba,\r
184 IN UINTN Offset,\r
185 IN OUT UINTN *NumBytes,\r
186 IN UINT8 *Buffer\r
187 );\r
188\r
189\r
190\r
191/**\r
192 Get Fvb's base address.\r
193\r
194 @param This Indicates the calling context.\r
195 @param Address Fvb device base address.\r
196\r
197 @retval EFI_SUCCESS Successfully got Fvb's base address.\r
198 @retval EFI_UNSUPPORTED Not supported.\r
199\r
200**/\r
201EFI_STATUS\r
202EFIAPI\r
203FwVolBlockGetPhysicalAddress (\r
204 IN CONST EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *This,\r
205 OUT EFI_PHYSICAL_ADDRESS *Address\r
206 );\r
207\r
208\r
209\r
210/**\r
211 Retrieves the size in bytes of a specific block within a firmware volume.\r
212\r
213 @param This Indicates the calling context.\r
214 @param Lba Indicates the block for which to return the\r
215 size.\r
216 @param BlockSize Pointer to a caller-allocated UINTN in which the\r
217 size of the block is returned.\r
218 @param NumberOfBlocks Pointer to a caller-allocated UINTN in which the\r
219 number of consecutive blocks starting with Lba\r
220 is returned. All blocks in this range have a\r
221 size of BlockSize.\r
222\r
223 @retval EFI_SUCCESS The firmware volume base address is returned.\r
224 @retval EFI_INVALID_PARAMETER The requested LBA is out of range.\r
225\r
226**/\r
227EFI_STATUS\r
228EFIAPI\r
229FwVolBlockGetBlockSize (\r
230 IN CONST EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *This,\r
231 IN CONST EFI_LBA Lba,\r
232 IN OUT UINTN *BlockSize,\r
233 IN OUT UINTN *NumberOfBlocks\r
234 );\r
235\r
236\r
237#endif\r