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c311f86b | 1 | /** @file\r |
5879b875 | 2 | This file provides functions for accessing a memory-mapped firmware volume of a specific format.\r |
3 | \r | |
4 | Copyright (c) 2006 - 2007, Intel Corporation \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 | |
5879b875 | 13 | @par Revision Reference:\r |
14 | This PPI is defined in PI.\r | |
15 | Version 1.00\r | |
16 | \r | |
17 | **/\r | |
18 | \r | |
19 | #ifndef __FIRMWARE_VOLUME_PPI_H__\r | |
20 | #define __FIRMWARE_VOLUME_PPI_H__\r | |
21 | \r | |
06889842 | 22 | ///\r |
23 | /// The GUID for this PPI is the same as the firmware volume format GUID.\r | |
dafa11b1 | 24 | /// The FV format can be EFI_FIRMWARE_FILE_SYSTEM2_GUID or the GUID for a user-defined\r |
25 | /// format. The EFI_FIRMWARE_FILE_SYSTEM2_GUID is the PI Firmware Volume format.\r | |
06889842 | 26 | /// \r |
00edb218 | 27 | typedef struct _EFI_PEI_FIRMWARE_VOLUME_PPI EFI_PEI_FIRMWARE_VOLUME_PPI;\r |
5879b875 | 28 | \r |
29 | \r | |
30 | /**\r | |
d7132512 LG |
31 | Process a firmware volume and create a volume handle.\r |
32 | \r | |
5879b875 | 33 | Create a volume handle from the information in the buffer. For\r |
34 | memory-mapped firmware volumes, Buffer and BufferSize refer to\r | |
35 | the start of the firmware volume and the firmware volume size.\r | |
36 | For non memory-mapped firmware volumes, this points to a\r | |
37 | buffer which contains the necessary information for creating\r | |
38 | the firmware volume handle. Normally, these values are derived\r | |
39 | from the EFI_FIRMWARE_VOLUME_INFO_PPI.\r | |
40 | \r | |
41 | \r | |
dafa11b1 | 42 | @param This Points to this instance of the\r |
43 | EFI_PEI_FIRMWARE_VOLUME_PPI.\r | |
44 | @param Buffer Points to the start of the buffer.\r | |
45 | @param BufferSize Size of the buffer.\r | |
46 | @param FvHandle Points to the returned firmware volume\r | |
47 | handle. The firmware volume handle must\r | |
48 | be unique within the system. \r | |
5879b875 | 49 | \r |
dafa11b1 | 50 | @retval EFI_SUCCESS Firmware volume handle created.\r |
00edb218 | 51 | @retval EFI_VOLUME_CORRUPTED Volume was corrupt.\r |
5879b875 | 52 | \r |
53 | **/\r | |
54 | typedef\r | |
55 | EFI_STATUS\r | |
8b13229b | 56 | (EFIAPI *EFI_PEI_FV_PROCESS_FV)(\r |
dafa11b1 | 57 | IN CONST EFI_PEI_FIRMWARE_VOLUME_PPI *This,\r |
58 | IN VOID *Buffer,\r | |
59 | IN UINTN BufferSize,\r | |
60 | OUT EFI_PEI_FV_HANDLE *FvHandle\r | |
5879b875 | 61 | );\r |
62 | \r | |
5879b875 | 63 | /**\r |
d7132512 | 64 | Finds the next file of the specified type.\r |
5879b875 | 65 | \r |
d7132512 LG |
66 | This service enables PEI modules to discover additional firmware files. \r |
67 | The FileHandle must be unique within the system.\r | |
5879b875 | 68 | \r |
dafa11b1 | 69 | @param This Points to this instance of the\r |
70 | EFI_PEI_FIRMWARE_VOLUME_PPI.\r | |
71 | @param SearchType A filter to find only files of this type. Type\r | |
72 | EFI_FV_FILETYPE_ALL causes no filtering to be\r | |
73 | done.\r | |
74 | @param FvHandle Handle of firmware volume in which to\r | |
75 | search.\r | |
76 | @param FileHandle Points to the current handle from which to\r | |
77 | begin searching or NULL to start at the\r | |
78 | beginning of the firmware volume. Updated\r | |
79 | upon return to reflect the file found.\r | |
5879b875 | 80 | \r |
00edb218 | 81 | @retval EFI_SUCCESS The file was found.\r |
d7132512 | 82 | @retval EFI_NOT_FOUND The file was not found. FileHandle contains NULL.\r |
dafa11b1 | 83 | \r |
5879b875 | 84 | **/ \r |
dafa11b1 | 85 | typedef\r |
86 | EFI_STATUS\r | |
8b13229b | 87 | (EFIAPI *EFI_PEI_FV_FIND_FILE_TYPE)( \r |
dafa11b1 | 88 | IN CONST EFI_PEI_FIRMWARE_VOLUME_PPI *This, \r |
89 | IN EFI_FV_FILETYPE SearchType, \r | |
90 | IN EFI_PEI_FV_HANDLE FvHandle,\r | |
91 | IN OUT EFI_PEI_FILE_HANDLE *FileHandle \r | |
5879b875 | 92 | );\r |
93 | \r | |
94 | \r | |
95 | /**\r | |
d7132512 LG |
96 | Find a file within a volume by its name. \r |
97 | \r | |
00edb218 A |
98 | This service searches for files with a specific name, within\r |
99 | either the specified firmware volume or all firmware volumes.\r | |
5879b875 | 100 | \r |
dafa11b1 | 101 | @param This Points to this instance of the\r |
102 | EFI_PEI_FIRMWARE_VOLUME_PPI.\r | |
103 | @param FileName A pointer to the name of the file to find\r | |
104 | within the firmware volume.\r | |
105 | @param FvHandle Upon entry, the pointer to the firmware\r | |
106 | volume to search or NULL if all firmware\r | |
107 | volumes should be searched. Upon exit, the\r | |
108 | actual firmware volume in which the file was\r | |
109 | found.\r | |
110 | @param FileHandle Upon exit, points to the found file's\r | |
111 | handle or NULL if it could not be found.\r | |
112 | \r | |
113 | @retval EFI_SUCCESS File was found.\r | |
114 | @retval EFI_NOT_FOUND File was not found.\r | |
115 | @retval EFI_INVALID_PARAMETER FvHandle or FileHandle or\r | |
5879b875 | 116 | FileName was NULL.\r |
117 | \r | |
118 | \r | |
119 | **/\r | |
120 | typedef\r | |
121 | EFI_STATUS\r | |
8b13229b | 122 | (EFIAPI *EFI_PEI_FV_FIND_FILE_NAME)(\r |
dafa11b1 | 123 | IN CONST EFI_PEI_FIRMWARE_VOLUME_PPI *This,\r |
124 | IN CONST EFI_GUID *FileName,\r | |
125 | IN EFI_PEI_FV_HANDLE FvHandle,\r | |
126 | OUT EFI_PEI_FILE_HANDLE *FileHandle\r | |
5879b875 | 127 | );\r |
128 | \r | |
129 | \r | |
130 | /**\r | |
d7132512 LG |
131 | Returns information about a specific file.\r |
132 | \r | |
5879b875 | 133 | This function returns information about a specific\r |
00edb218 | 134 | file, including its file name, type, attributes, starting\r |
5879b875 | 135 | address and size. \r |
136 | \r | |
dafa11b1 | 137 | @param This Points to this instance of the\r |
138 | EFI_PEI_FIRMWARE_VOLUME_PPI.\r | |
139 | @param FileHandle Handle of the file.\r | |
140 | @param FileInfo Upon exit, points to the file's\r | |
141 | information.\r | |
5879b875 | 142 | \r |
00edb218 | 143 | @retval EFI_SUCCESS File information returned.\r |
00edb218 | 144 | @retval EFI_INVALID_PARAMETER If FileHandle does not\r |
5879b875 | 145 | represent a valid file.\r |
dafa11b1 | 146 | @retval EFI_INVALID_PARAMETER If FileInfo is NULL.\r |
5879b875 | 147 | \r |
148 | **/ \r | |
5879b875 | 149 | typedef\r |
dafa11b1 | 150 | EFI_STATUS\r |
151 | (EFIAPI *EFI_PEI_FV_GET_FILE_INFO)(\r | |
00edb218 | 152 | IN CONST EFI_PEI_FIRMWARE_VOLUME_PPI *This, \r |
dafa11b1 | 153 | IN EFI_PEI_FILE_HANDLE FileHandle, \r |
154 | OUT EFI_FV_FILE_INFO *FileInfo\r | |
5879b875 | 155 | );\r |
156 | \r | |
157 | /**\r | |
dafa11b1 | 158 | This function returns information about the firmware volume.\r |
5879b875 | 159 | \r |
dafa11b1 | 160 | @param This Points to this instance of the\r |
161 | EFI_PEI_FIRMWARE_VOLUME_PPI.\r | |
162 | @param FvHandle Handle to the firmware handle.\r | |
163 | @param VolumeInfo Points to the returned firmware volume\r | |
164 | information.\r | |
165 | \r | |
166 | @retval EFI_SUCCESS Information returned successfully.\r | |
167 | @retval EFI_INVALID_PARAMETER FvHandle does not indicate a valid\r | |
168 | firmware volume or VolumeInfo is NULL.\r | |
169 | \r | |
5879b875 | 170 | **/ \r |
171 | typedef\r | |
dafa11b1 | 172 | EFI_STATUS\r |
173 | (EFIAPI *EFI_PEI_FV_GET_INFO)(\r | |
174 | IN CONST EFI_PEI_FIRMWARE_VOLUME_PPI *This, \r | |
175 | IN EFI_PEI_FV_HANDLE FvHandle, \r | |
176 | OUT EFI_FV_INFO *VolumeInfo\r | |
5879b875 | 177 | );\r |
178 | \r | |
179 | /**\r | |
d7132512 LG |
180 | Find the next matching section in the firmware file.\r |
181 | \r | |
dafa11b1 | 182 | This service enables PEI modules to discover sections\r |
183 | of a given type within a valid file.\r | |
5879b875 | 184 | \r |
dafa11b1 | 185 | @param This Points to this instance of the\r |
186 | EFI_PEI_FIRMWARE_VOLUME_PPI.\r | |
187 | @param SearchType A filter to find only sections of this\r | |
188 | type.\r | |
189 | @param FileHandle Handle of firmware file in which to\r | |
190 | search.\r | |
191 | @param SectionData Updated upon return to point to the\r | |
192 | section found.\r | |
5879b875 | 193 | \r |
00edb218 | 194 | @retval EFI_SUCCESS Section was found.\r |
00edb218 A |
195 | @retval EFI_NOT_FOUND Section of the specified type was not\r |
196 | found. SectionData contains NULL.\r | |
5879b875 | 197 | **/\r |
198 | typedef\r | |
199 | EFI_STATUS\r | |
8b13229b | 200 | (EFIAPI *EFI_PEI_FV_FIND_SECTION)(\r |
dafa11b1 | 201 | IN CONST EFI_PEI_FIRMWARE_VOLUME_PPI *This,\r |
202 | IN EFI_SECTION_TYPE SearchType,\r | |
203 | IN EFI_PEI_FILE_HANDLE FileHandle,\r | |
204 | OUT VOID **SectionData\r | |
5879b875 | 205 | );\r |
206 | \r | |
dafa11b1 | 207 | ///\r |
208 | /// This PPI provides functions for accessing a memory-mapped firmware volume of a specific format.\r | |
209 | ///\r | |
5879b875 | 210 | struct _EFI_PEI_FIRMWARE_VOLUME_PPI {\r |
dafa11b1 | 211 | ///\r |
212 | /// Process a firmware volume and create a volume handle.\r | |
213 | ///\r | |
00edb218 | 214 | EFI_PEI_FV_PROCESS_FV ProcessVolume;\r |
dafa11b1 | 215 | ///\r |
216 | /// Find all files of a specific type.\r | |
217 | ///\r | |
00edb218 | 218 | EFI_PEI_FV_FIND_FILE_TYPE FindFileByType;\r |
dafa11b1 | 219 | ///\r |
220 | /// Find the file with a specific name.\r | |
221 | ///\r | |
00edb218 | 222 | EFI_PEI_FV_FIND_FILE_NAME FindFileByName;\r |
dafa11b1 | 223 | ///\r |
224 | /// Return the information about a specific file.\r | |
225 | ///\r | |
00edb218 | 226 | EFI_PEI_FV_GET_FILE_INFO GetFileInfo;\r |
dafa11b1 | 227 | ///\r |
228 | /// Return the firmware volume attributes.\r | |
229 | ///\r | |
00edb218 | 230 | EFI_PEI_FV_GET_INFO GetVolumeInfo;\r |
dafa11b1 | 231 | ///\r |
232 | /// Find all sections of a specific type.\r | |
233 | ///\r | |
00edb218 | 234 | EFI_PEI_FV_FIND_SECTION FindSectionByType;\r |
dafa11b1 | 235 | };\r |
5879b875 | 236 | \r |
00edb218 | 237 | extern EFI_GUID gEfiPeiFirmwareVolumePpiGuid;\r |
5879b875 | 238 | \r |
239 | #endif \r |