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1 | /** @file\r | |
2 | Routines dealing with setting/getting file/volume info\r | |
3 | \r | |
4 | Copyright (c) 2005 - 2015, Intel Corporation. All rights reserved.<BR>\r | |
5 | This program and the accompanying materials are licensed and made available\r | |
6 | under the terms and conditions of the BSD License which accompanies this\r | |
7 | 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 | **/\r | |
16 | \r | |
17 | #include "Fat.h"\r | |
18 | \r | |
19 | EFI_STATUS\r | |
20 | FatGetVolumeInfo (\r | |
21 | IN FAT_VOLUME *Volume,\r | |
22 | IN OUT UINTN *BufferSize,\r | |
23 | OUT VOID *Buffer\r | |
24 | );\r | |
25 | \r | |
26 | EFI_STATUS\r | |
27 | FatSetVolumeInfo (\r | |
28 | IN FAT_VOLUME *Volume,\r | |
29 | IN UINTN BufferSize,\r | |
30 | IN VOID *Buffer\r | |
31 | );\r | |
32 | \r | |
33 | EFI_STATUS\r | |
34 | FatSetOrGetInfo (\r | |
35 | IN BOOLEAN IsSet,\r | |
36 | IN EFI_FILE_PROTOCOL *FHand,\r | |
37 | IN EFI_GUID *Type,\r | |
38 | IN OUT UINTN *BufferSize,\r | |
39 | IN OUT VOID *Buffer\r | |
40 | );\r | |
41 | \r | |
42 | /**\r | |
43 | \r | |
44 | Get the open file's info into Buffer.\r | |
45 | \r | |
46 | @param OFile - The open file.\r | |
47 | @param BufferSize - Size of Buffer.\r | |
48 | @param Buffer - Buffer containing file info.\r | |
49 | \r | |
50 | @retval EFI_SUCCESS - Get the file info successfully.\r | |
51 | @retval EFI_BUFFER_TOO_SMALL - The buffer is too small.\r | |
52 | \r | |
53 | **/\r | |
54 | EFI_STATUS\r | |
55 | FatGetFileInfo (\r | |
56 | IN FAT_OFILE *OFile,\r | |
57 | IN OUT UINTN *BufferSize,\r | |
58 | OUT VOID *Buffer\r | |
59 | )\r | |
60 | {\r | |
61 | return FatGetDirEntInfo (OFile->Volume, OFile->DirEnt, BufferSize, Buffer);\r | |
62 | }\r | |
63 | \r | |
64 | /**\r | |
65 | \r | |
66 | Get the volume's info into Buffer.\r | |
67 | \r | |
68 | @param Volume - FAT file system volume.\r | |
69 | @param BufferSize - Size of Buffer.\r | |
70 | @param Buffer - Buffer containing volume info.\r | |
71 | \r | |
72 | @retval EFI_SUCCESS - Get the volume info successfully.\r | |
73 | @retval EFI_BUFFER_TOO_SMALL - The buffer is too small.\r | |
74 | \r | |
75 | **/\r | |
76 | EFI_STATUS\r | |
77 | FatGetVolumeInfo (\r | |
78 | IN FAT_VOLUME *Volume,\r | |
79 | IN OUT UINTN *BufferSize,\r | |
80 | OUT VOID *Buffer\r | |
81 | )\r | |
82 | {\r | |
83 | UINTN Size;\r | |
84 | UINTN NameSize;\r | |
85 | UINTN ResultSize;\r | |
86 | CHAR16 Name[FAT_NAME_LEN + 1];\r | |
87 | EFI_STATUS Status;\r | |
88 | EFI_FILE_SYSTEM_INFO *Info;\r | |
89 | UINT8 ClusterAlignment;\r | |
90 | \r | |
91 | Size = SIZE_OF_EFI_FILE_SYSTEM_INFO;\r | |
92 | Status = FatGetVolumeEntry (Volume, Name);\r | |
93 | NameSize = StrSize (Name);\r | |
94 | ResultSize = Size + NameSize;\r | |
95 | ClusterAlignment = Volume->ClusterAlignment;\r | |
96 | \r | |
97 | //\r | |
98 | // If we don't have valid info, compute it now\r | |
99 | //\r | |
100 | FatComputeFreeInfo (Volume);\r | |
101 | \r | |
102 | Status = EFI_BUFFER_TOO_SMALL;\r | |
103 | if (*BufferSize >= ResultSize) {\r | |
104 | Status = EFI_SUCCESS;\r | |
105 | \r | |
106 | Info = Buffer;\r | |
107 | ZeroMem (Info, SIZE_OF_EFI_FILE_SYSTEM_INFO);\r | |
108 | \r | |
109 | Info->Size = ResultSize;\r | |
110 | Info->ReadOnly = Volume->ReadOnly;\r | |
111 | Info->BlockSize = (UINT32) Volume->ClusterSize;\r | |
112 | Info->VolumeSize = LShiftU64 (Volume->MaxCluster, ClusterAlignment);\r | |
113 | Info->FreeSpace = LShiftU64 (\r | |
114 | Volume->FatInfoSector.FreeInfo.ClusterCount,\r | |
115 | ClusterAlignment\r | |
116 | );\r | |
117 | CopyMem ((CHAR8 *) Buffer + Size, Name, NameSize);\r | |
118 | }\r | |
119 | \r | |
120 | *BufferSize = ResultSize;\r | |
121 | return Status;\r | |
122 | }\r | |
123 | \r | |
124 | /**\r | |
125 | \r | |
126 | Get the volume's label info into Buffer.\r | |
127 | \r | |
128 | @param Volume - FAT file system volume.\r | |
129 | @param BufferSize - Size of Buffer.\r | |
130 | @param Buffer - Buffer containing volume's label info.\r | |
131 | \r | |
132 | @retval EFI_SUCCESS - Get the volume's label info successfully.\r | |
133 | @retval EFI_BUFFER_TOO_SMALL - The buffer is too small.\r | |
134 | \r | |
135 | **/\r | |
136 | EFI_STATUS\r | |
137 | FatGetVolumeLabelInfo (\r | |
138 | IN FAT_VOLUME *Volume,\r | |
139 | IN OUT UINTN *BufferSize,\r | |
140 | OUT VOID *Buffer\r | |
141 | )\r | |
142 | {\r | |
143 | UINTN Size;\r | |
144 | UINTN NameSize;\r | |
145 | UINTN ResultSize;\r | |
146 | CHAR16 Name[FAT_NAME_LEN + 1];\r | |
147 | EFI_STATUS Status;\r | |
148 | \r | |
149 | Size = SIZE_OF_EFI_FILE_SYSTEM_VOLUME_LABEL;\r | |
150 | Status = FatGetVolumeEntry (Volume, Name);\r | |
151 | NameSize = StrSize (Name);\r | |
152 | ResultSize = Size + NameSize;\r | |
153 | \r | |
154 | Status = EFI_BUFFER_TOO_SMALL;\r | |
155 | if (*BufferSize >= ResultSize) {\r | |
156 | Status = EFI_SUCCESS;\r | |
157 | CopyMem ((CHAR8 *) Buffer + Size, Name, NameSize);\r | |
158 | }\r | |
159 | \r | |
160 | *BufferSize = ResultSize;\r | |
161 | return Status;\r | |
162 | }\r | |
163 | \r | |
164 | /**\r | |
165 | \r | |
166 | Set the volume's info.\r | |
167 | \r | |
168 | @param Volume - FAT file system volume.\r | |
169 | @param BufferSize - Size of Buffer.\r | |
170 | @param Buffer - Buffer containing the new volume info.\r | |
171 | \r | |
172 | @retval EFI_SUCCESS - Set the volume info successfully.\r | |
173 | @retval EFI_BAD_BUFFER_SIZE - The buffer size is error.\r | |
174 | @retval EFI_WRITE_PROTECTED - The volume is read only.\r | |
175 | @return other - An error occurred when operation the disk.\r | |
176 | \r | |
177 | **/\r | |
178 | EFI_STATUS\r | |
179 | FatSetVolumeInfo (\r | |
180 | IN FAT_VOLUME *Volume,\r | |
181 | IN UINTN BufferSize,\r | |
182 | IN VOID *Buffer\r | |
183 | )\r | |
184 | {\r | |
185 | EFI_FILE_SYSTEM_INFO *Info;\r | |
186 | \r | |
187 | Info = (EFI_FILE_SYSTEM_INFO *) Buffer;\r | |
188 | \r | |
189 | if (BufferSize < SIZE_OF_EFI_FILE_SYSTEM_INFO + 2 || Info->Size > BufferSize) {\r | |
190 | return EFI_BAD_BUFFER_SIZE;\r | |
191 | }\r | |
192 | \r | |
193 | return FatSetVolumeEntry (Volume, Info->VolumeLabel);\r | |
194 | }\r | |
195 | \r | |
196 | /**\r | |
197 | \r | |
198 | Set the volume's label info.\r | |
199 | \r | |
200 | @param Volume - FAT file system volume.\r | |
201 | @param BufferSize - Size of Buffer.\r | |
202 | @param Buffer - Buffer containing the new volume label info.\r | |
203 | \r | |
204 | @retval EFI_SUCCESS - Set the volume label info successfully.\r | |
205 | @retval EFI_WRITE_PROTECTED - The disk is write protected.\r | |
206 | @retval EFI_BAD_BUFFER_SIZE - The buffer size is error.\r | |
207 | @return other - An error occurred when operation the disk.\r | |
208 | \r | |
209 | **/\r | |
210 | EFI_STATUS\r | |
211 | FatSetVolumeLabelInfo (\r | |
212 | IN FAT_VOLUME *Volume,\r | |
213 | IN UINTN BufferSize,\r | |
214 | IN VOID *Buffer\r | |
215 | )\r | |
216 | {\r | |
217 | EFI_FILE_SYSTEM_VOLUME_LABEL *Info;\r | |
218 | \r | |
219 | Info = (EFI_FILE_SYSTEM_VOLUME_LABEL *) Buffer;\r | |
220 | \r | |
221 | if (BufferSize < SIZE_OF_EFI_FILE_SYSTEM_VOLUME_LABEL + 2) {\r | |
222 | return EFI_BAD_BUFFER_SIZE;\r | |
223 | }\r | |
224 | \r | |
225 | return FatSetVolumeEntry (Volume, Info->VolumeLabel);\r | |
226 | }\r | |
227 | \r | |
228 | /**\r | |
229 | \r | |
230 | Set the file info.\r | |
231 | \r | |
232 | @param Volume - FAT file system volume.\r | |
233 | @param IFile - The instance of the open file.\r | |
234 | @param OFile - The open file.\r | |
235 | @param BufferSize - Size of Buffer.\r | |
236 | @param Buffer - Buffer containing the new file info.\r | |
237 | \r | |
238 | @retval EFI_SUCCESS - Set the file info successfully.\r | |
239 | @retval EFI_ACCESS_DENIED - It is the root directory\r | |
240 | or the directory attribute bit can not change\r | |
241 | or try to change a directory size\r | |
242 | or something else.\r | |
243 | @retval EFI_UNSUPPORTED - The new file size is larger than 4GB.\r | |
244 | @retval EFI_WRITE_PROTECTED - The disk is write protected.\r | |
245 | @retval EFI_BAD_BUFFER_SIZE - The buffer size is error.\r | |
246 | @retval EFI_INVALID_PARAMETER - The time info or attributes info is error.\r | |
247 | @retval EFI_OUT_OF_RESOURCES - Can not allocate new memory.\r | |
248 | @retval EFI_VOLUME_CORRUPTED - The volume is corrupted.\r | |
249 | @return other - An error occurred when operation the disk.\r | |
250 | \r | |
251 | **/\r | |
252 | EFI_STATUS\r | |
253 | FatSetFileInfo (\r | |
254 | IN FAT_VOLUME *Volume,\r | |
255 | IN FAT_IFILE *IFile,\r | |
256 | IN FAT_OFILE *OFile,\r | |
257 | IN UINTN BufferSize,\r | |
258 | IN VOID *Buffer\r | |
259 | )\r | |
260 | {\r | |
261 | EFI_STATUS Status;\r | |
262 | EFI_FILE_INFO *NewInfo;\r | |
263 | FAT_OFILE *DotOFile;\r | |
264 | FAT_OFILE *Parent;\r | |
265 | CHAR16 NewFileName[EFI_PATH_STRING_LENGTH];\r | |
266 | EFI_TIME ZeroTime;\r | |
267 | FAT_DIRENT *DirEnt;\r | |
268 | FAT_DIRENT *TempDirEnt;\r | |
269 | UINT8 NewAttribute;\r | |
270 | BOOLEAN ReadOnly;\r | |
271 | \r | |
272 | ZeroMem (&ZeroTime, sizeof (EFI_TIME));\r | |
273 | Parent = OFile->Parent;\r | |
274 | DirEnt = OFile->DirEnt;\r | |
275 | //\r | |
276 | // If this is the root directory, we can't make any updates\r | |
277 | //\r | |
278 | if (Parent == NULL) {\r | |
279 | return EFI_ACCESS_DENIED;\r | |
280 | }\r | |
281 | //\r | |
282 | // Make sure there's a valid input buffer\r | |
283 | //\r | |
284 | NewInfo = Buffer;\r | |
285 | if (BufferSize < SIZE_OF_EFI_FILE_INFO + 2 || NewInfo->Size > BufferSize) {\r | |
286 | return EFI_BAD_BUFFER_SIZE;\r | |
287 | }\r | |
288 | \r | |
289 | ReadOnly = (BOOLEAN)(IFile->ReadOnly || (DirEnt->Entry.Attributes & EFI_FILE_READ_ONLY));\r | |
290 | //\r | |
291 | // if a zero time is specified, then the original time is preserved\r | |
292 | //\r | |
293 | if (CompareMem (&ZeroTime, &NewInfo->CreateTime, sizeof (EFI_TIME)) != 0) {\r | |
294 | if (!FatIsValidTime (&NewInfo->CreateTime)) {\r | |
295 | return EFI_INVALID_PARAMETER;\r | |
296 | }\r | |
297 | \r | |
298 | if (!ReadOnly) {\r | |
299 | FatEfiTimeToFatTime (&NewInfo->CreateTime, &DirEnt->Entry.FileCreateTime);\r | |
300 | }\r | |
301 | }\r | |
302 | \r | |
303 | if (CompareMem (&ZeroTime, &NewInfo->ModificationTime, sizeof (EFI_TIME)) != 0) {\r | |
304 | if (!FatIsValidTime (&NewInfo->ModificationTime)) {\r | |
305 | return EFI_INVALID_PARAMETER;\r | |
306 | }\r | |
307 | \r | |
308 | if (!ReadOnly) {\r | |
309 | FatEfiTimeToFatTime (&NewInfo->ModificationTime, &DirEnt->Entry.FileModificationTime);\r | |
310 | }\r | |
311 | \r | |
312 | OFile->PreserveLastModification = TRUE;\r | |
313 | }\r | |
314 | \r | |
315 | if (NewInfo->Attribute & (~EFI_FILE_VALID_ATTR)) {\r | |
316 | return EFI_INVALID_PARAMETER;\r | |
317 | }\r | |
318 | \r | |
319 | NewAttribute = (UINT8) NewInfo->Attribute;\r | |
320 | //\r | |
321 | // Can not change the directory attribute bit\r | |
322 | //\r | |
323 | if ((NewAttribute ^ DirEnt->Entry.Attributes) & EFI_FILE_DIRECTORY) {\r | |
324 | return EFI_ACCESS_DENIED;\r | |
325 | }\r | |
326 | //\r | |
327 | // Set the current attributes even if the IFile->ReadOnly is TRUE\r | |
328 | //\r | |
329 | DirEnt->Entry.Attributes = (UINT8) ((DirEnt->Entry.Attributes &~EFI_FILE_VALID_ATTR) | NewAttribute);\r | |
330 | //\r | |
331 | // Open the filename and see if it refers to an existing file\r | |
332 | //\r | |
333 | Status = FatLocateOFile (&Parent, NewInfo->FileName, DirEnt->Entry.Attributes, NewFileName);\r | |
334 | if (EFI_ERROR (Status)) {\r | |
335 | return Status;\r | |
336 | }\r | |
337 | \r | |
338 | if (*NewFileName != 0) {\r | |
339 | //\r | |
340 | // File was not found. We do not allow rename of the current directory if\r | |
341 | // there are open files below the current directory\r | |
342 | //\r | |
343 | if (!IsListEmpty (&OFile->ChildHead) || Parent == OFile) {\r | |
344 | return EFI_ACCESS_DENIED;\r | |
345 | }\r | |
346 | \r | |
347 | if (ReadOnly) {\r | |
348 | return EFI_ACCESS_DENIED;\r | |
349 | }\r | |
350 | \r | |
351 | Status = FatRemoveDirEnt (OFile->Parent, DirEnt);\r | |
352 | if (EFI_ERROR (Status)) {\r | |
353 | return Status;\r | |
354 | }\r | |
355 | //\r | |
356 | // Create new dirent\r | |
357 | //\r | |
358 | Status = FatCreateDirEnt (Parent, NewFileName, DirEnt->Entry.Attributes, &TempDirEnt);\r | |
359 | if (EFI_ERROR (Status)) {\r | |
360 | return Status;\r | |
361 | }\r | |
362 | \r | |
363 | FatCloneDirEnt (TempDirEnt, DirEnt);\r | |
364 | FatFreeDirEnt (DirEnt);\r | |
365 | DirEnt = TempDirEnt;\r | |
366 | DirEnt->OFile = OFile;\r | |
367 | OFile->DirEnt = DirEnt;\r | |
368 | OFile->Parent = Parent;\r | |
369 | RemoveEntryList (&OFile->ChildLink);\r | |
370 | InsertHeadList (&Parent->ChildHead, &OFile->ChildLink);\r | |
371 | //\r | |
372 | // If this is a directory, synchronize its dot directory entry\r | |
373 | //\r | |
374 | if (OFile->ODir != NULL) {\r | |
375 | //\r | |
376 | // Syncronize its dot entry\r | |
377 | //\r | |
378 | FatResetODirCursor (OFile);\r | |
379 | ASSERT (OFile->Parent != NULL);\r | |
380 | for (DotOFile = OFile; DotOFile != OFile->Parent->Parent; DotOFile = DotOFile->Parent) {\r | |
381 | Status = FatGetNextDirEnt (OFile, &DirEnt);\r | |
382 | if (EFI_ERROR (Status) || DirEnt == NULL || !FatIsDotDirEnt (DirEnt)) {\r | |
383 | return EFI_VOLUME_CORRUPTED;\r | |
384 | }\r | |
385 | \r | |
386 | FatCloneDirEnt (DirEnt, DotOFile->DirEnt);\r | |
387 | Status = FatStoreDirEnt (OFile, DirEnt);\r | |
388 | if (EFI_ERROR (Status)) {\r | |
389 | return Status;\r | |
390 | }\r | |
391 | }\r | |
392 | }\r | |
393 | //\r | |
394 | // If the file is renamed, we should append the ARCHIVE attribute\r | |
395 | //\r | |
396 | OFile->Archive = TRUE;\r | |
397 | } else if (Parent != OFile) {\r | |
398 | //\r | |
399 | // filename is to a different filename that already exists\r | |
400 | //\r | |
401 | return EFI_ACCESS_DENIED;\r | |
402 | }\r | |
403 | //\r | |
404 | // If the file size has changed, apply it\r | |
405 | //\r | |
406 | if (NewInfo->FileSize != OFile->FileSize) {\r | |
407 | if (OFile->ODir != NULL || ReadOnly) {\r | |
408 | //\r | |
409 | // If this is a directory or the file is read only, we can't change the file size\r | |
410 | //\r | |
411 | return EFI_ACCESS_DENIED;\r | |
412 | }\r | |
413 | \r | |
414 | if (NewInfo->FileSize > OFile->FileSize) {\r | |
415 | Status = FatExpandOFile (OFile, NewInfo->FileSize);\r | |
416 | } else {\r | |
417 | Status = FatTruncateOFile (OFile, (UINTN) NewInfo->FileSize);\r | |
418 | }\r | |
419 | \r | |
420 | if (EFI_ERROR (Status)) {\r | |
421 | return Status;\r | |
422 | }\r | |
423 | \r | |
424 | FatUpdateDirEntClusterSizeInfo (OFile);\r | |
425 | }\r | |
426 | \r | |
427 | OFile->Dirty = TRUE;\r | |
428 | return FatOFileFlush (OFile);\r | |
429 | }\r | |
430 | \r | |
431 | /**\r | |
432 | \r | |
433 | Set or Get the some types info of the file into Buffer.\r | |
434 | \r | |
435 | @param IsSet - TRUE:The access is set, else is get\r | |
436 | @param FHand - The handle of file\r | |
437 | @param Type - The type of the info\r | |
438 | @param BufferSize - Size of Buffer\r | |
439 | @param Buffer - Buffer containing volume info\r | |
440 | \r | |
441 | @retval EFI_SUCCESS - Get the info successfully\r | |
442 | @retval EFI_DEVICE_ERROR - Can not find the OFile for the file\r | |
443 | \r | |
444 | **/\r | |
445 | EFI_STATUS\r | |
446 | FatSetOrGetInfo (\r | |
447 | IN BOOLEAN IsSet,\r | |
448 | IN EFI_FILE_PROTOCOL *FHand,\r | |
449 | IN EFI_GUID *Type,\r | |
450 | IN OUT UINTN *BufferSize,\r | |
451 | IN OUT VOID *Buffer\r | |
452 | )\r | |
453 | {\r | |
454 | FAT_IFILE *IFile;\r | |
455 | FAT_OFILE *OFile;\r | |
456 | FAT_VOLUME *Volume;\r | |
457 | EFI_STATUS Status;\r | |
458 | \r | |
459 | IFile = IFILE_FROM_FHAND (FHand);\r | |
460 | OFile = IFile->OFile;\r | |
461 | Volume = OFile->Volume;\r | |
462 | \r | |
463 | Status = OFile->Error;\r | |
464 | if (Status == EFI_NOT_FOUND) {\r | |
465 | return EFI_DEVICE_ERROR;\r | |
466 | }\r | |
467 | \r | |
468 | FatWaitNonblockingTask (IFile);\r | |
469 | \r | |
470 | FatAcquireLock ();\r | |
471 | \r | |
472 | //\r | |
473 | // Verify the file handle isn't in an error state\r | |
474 | //\r | |
475 | if (!EFI_ERROR (Status)) {\r | |
476 | //\r | |
477 | // Get the proper information based on the request\r | |
478 | //\r | |
479 | Status = EFI_UNSUPPORTED;\r | |
480 | if (IsSet) {\r | |
481 | if (CompareGuid (Type, &gEfiFileInfoGuid)) {\r | |
482 | Status = Volume->ReadOnly ? EFI_WRITE_PROTECTED : FatSetFileInfo (Volume, IFile, OFile, *BufferSize, Buffer);\r | |
483 | }\r | |
484 | \r | |
485 | if (CompareGuid (Type, &gEfiFileSystemInfoGuid)) {\r | |
486 | Status = Volume->ReadOnly ? EFI_WRITE_PROTECTED : FatSetVolumeInfo (Volume, *BufferSize, Buffer);\r | |
487 | }\r | |
488 | \r | |
489 | if (CompareGuid (Type, &gEfiFileSystemVolumeLabelInfoIdGuid)) {\r | |
490 | Status = Volume->ReadOnly ? EFI_WRITE_PROTECTED : FatSetVolumeLabelInfo (Volume, *BufferSize, Buffer);\r | |
491 | }\r | |
492 | } else {\r | |
493 | if (CompareGuid (Type, &gEfiFileInfoGuid)) {\r | |
494 | Status = FatGetFileInfo (OFile, BufferSize, Buffer);\r | |
495 | }\r | |
496 | \r | |
497 | if (CompareGuid (Type, &gEfiFileSystemInfoGuid)) {\r | |
498 | Status = FatGetVolumeInfo (Volume, BufferSize, Buffer);\r | |
499 | }\r | |
500 | \r | |
501 | if (CompareGuid (Type, &gEfiFileSystemVolumeLabelInfoIdGuid)) {\r | |
502 | Status = FatGetVolumeLabelInfo (Volume, BufferSize, Buffer);\r | |
503 | }\r | |
504 | }\r | |
505 | }\r | |
506 | \r | |
507 | Status = FatCleanupVolume (Volume, NULL, Status, NULL);\r | |
508 | \r | |
509 | FatReleaseLock ();\r | |
510 | return Status;\r | |
511 | }\r | |
512 | \r | |
513 | /**\r | |
514 | \r | |
515 | Get the some types info of the file into Buffer.\r | |
516 | \r | |
517 | @param FHand - The handle of file.\r | |
518 | @param Type - The type of the info.\r | |
519 | @param BufferSize - Size of Buffer.\r | |
520 | @param Buffer - Buffer containing volume info.\r | |
521 | \r | |
522 | @retval EFI_SUCCESS - Get the info successfully.\r | |
523 | @retval EFI_DEVICE_ERROR - Can not find the OFile for the file.\r | |
524 | \r | |
525 | **/\r | |
526 | EFI_STATUS\r | |
527 | EFIAPI\r | |
528 | FatGetInfo (\r | |
529 | IN EFI_FILE_PROTOCOL *FHand,\r | |
530 | IN EFI_GUID *Type,\r | |
531 | IN OUT UINTN *BufferSize,\r | |
532 | OUT VOID *Buffer\r | |
533 | )\r | |
534 | {\r | |
535 | return FatSetOrGetInfo (FALSE, FHand, Type, BufferSize, Buffer);\r | |
536 | }\r | |
537 | \r | |
538 | /**\r | |
539 | \r | |
540 | Set the some types info of the file into Buffer.\r | |
541 | \r | |
542 | @param FHand - The handle of file.\r | |
543 | @param Type - The type of the info.\r | |
544 | @param BufferSize - Size of Buffer\r | |
545 | @param Buffer - Buffer containing volume info.\r | |
546 | \r | |
547 | @retval EFI_SUCCESS - Set the info successfully.\r | |
548 | @retval EFI_DEVICE_ERROR - Can not find the OFile for the file.\r | |
549 | \r | |
550 | **/\r | |
551 | EFI_STATUS\r | |
552 | EFIAPI\r | |
553 | FatSetInfo (\r | |
554 | IN EFI_FILE_PROTOCOL *FHand,\r | |
555 | IN EFI_GUID *Type,\r | |
556 | IN UINTN BufferSize,\r | |
557 | IN VOID *Buffer\r | |
558 | )\r | |
559 | {\r | |
560 | return FatSetOrGetInfo (TRUE, FHand, Type, &BufferSize, Buffer);\r | |
561 | }\r |