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2f4dfa84 JJ |
1 | /** @file\r |
2 | FAT recovery PEIM entry point, Ppi Functions and FAT Api functions.\r | |
3 | \r | |
8a467be1 | 4 | Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved.<BR>\r |
2f4dfa84 JJ |
5 | \r |
6 | This program and the accompanying materials are licensed and made available\r | |
7 | under the terms and conditions of the BSD License which accompanies this\r | |
8 | distribution. The full text of the license may be found at\r | |
9 | http://opensource.org/licenses/bsd-license.php\r | |
10 | \r | |
11 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
12 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
13 | \r | |
14 | **/\r | |
15 | \r | |
16 | #include "FatLitePeim.h"\r | |
17 | \r | |
18 | PEI_FAT_PRIVATE_DATA *mPrivateData = NULL;\r | |
19 | \r | |
20 | /**\r | |
21 | BlockIo installation nofication function. Find out all the current BlockIO\r | |
22 | PPIs in the system and add them into private data. Assume there is\r | |
23 | \r | |
24 | @param PeiServices General purpose services available to every \r | |
25 | PEIM. \r | |
26 | @param NotifyDescriptor The typedef structure of the notification \r | |
27 | descriptor. Not used in this function. \r | |
28 | @param Ppi The typedef structure of the PPI descriptor. \r | |
29 | Not used in this function. \r | |
30 | \r | |
31 | @retval EFI_SUCCESS The function completed successfully.\r | |
32 | \r | |
33 | **/\r | |
34 | EFI_STATUS\r | |
35 | EFIAPI\r | |
36 | BlockIoNotifyEntry (\r | |
37 | IN EFI_PEI_SERVICES **PeiServices,\r | |
38 | IN EFI_PEI_NOTIFY_DESCRIPTOR *NotifyDescriptor,\r | |
39 | IN VOID *Ppi\r | |
40 | );\r | |
41 | \r | |
42 | \r | |
43 | /**\r | |
44 | Discover all the block I/O devices to find the FAT volume.\r | |
45 | \r | |
46 | @param PrivateData Global memory map for accessing global \r | |
47 | variables. \r | |
8a467be1 | 48 | @param BlockIo2 Boolean to show whether using BlockIo2 or BlockIo\r |
2f4dfa84 JJ |
49 | \r |
50 | @retval EFI_SUCCESS The function completed successfully.\r | |
51 | \r | |
52 | **/\r | |
53 | EFI_STATUS\r | |
54 | UpdateBlocksAndVolumes (\r | |
8a467be1 FT |
55 | IN OUT PEI_FAT_PRIVATE_DATA *PrivateData,\r |
56 | IN BOOLEAN BlockIo2\r | |
2f4dfa84 JJ |
57 | )\r |
58 | {\r | |
8a467be1 FT |
59 | EFI_STATUS Status;\r |
60 | EFI_PEI_PPI_DESCRIPTOR *TempPpiDescriptor;\r | |
61 | UINTN BlockIoPpiInstance;\r | |
62 | EFI_PEI_RECOVERY_BLOCK_IO_PPI *BlockIoPpi;\r | |
63 | EFI_PEI_RECOVERY_BLOCK_IO2_PPI *BlockIo2Ppi;\r | |
64 | UINTN NumberBlockDevices;\r | |
65 | UINTN Index;\r | |
66 | EFI_PEI_BLOCK_IO_MEDIA Media;\r | |
67 | EFI_PEI_BLOCK_IO2_MEDIA Media2;\r | |
68 | PEI_FAT_VOLUME Volume;\r | |
69 | EFI_PEI_SERVICES **PeiServices;\r | |
2f4dfa84 JJ |
70 | \r |
71 | PeiServices = (EFI_PEI_SERVICES **) GetPeiServicesTablePointer ();\r | |
72 | \r | |
73 | //\r | |
74 | // Clean up caches\r | |
75 | //\r | |
76 | for (Index = 0; Index < PEI_FAT_CACHE_SIZE; Index++) {\r | |
77 | PrivateData->CacheBuffer[Index].Valid = FALSE;\r | |
78 | }\r | |
79 | \r | |
80 | PrivateData->BlockDeviceCount = 0;\r | |
81 | \r | |
82 | //\r | |
83 | // Find out all Block Io Ppi instances within the system\r | |
84 | // Assuming all device Block Io Peims are dispatched already\r | |
85 | //\r | |
86 | for (BlockIoPpiInstance = 0; BlockIoPpiInstance < PEI_FAT_MAX_BLOCK_IO_PPI; BlockIoPpiInstance++) {\r | |
8a467be1 FT |
87 | if (BlockIo2) {\r |
88 | Status = PeiServicesLocatePpi (\r | |
89 | &gEfiPeiVirtualBlockIo2PpiGuid,\r | |
90 | BlockIoPpiInstance,\r | |
91 | &TempPpiDescriptor,\r | |
92 | (VOID **) &BlockIo2Ppi\r | |
93 | );\r | |
94 | } else {\r | |
95 | Status = PeiServicesLocatePpi (\r | |
96 | &gEfiPeiVirtualBlockIoPpiGuid,\r | |
97 | BlockIoPpiInstance,\r | |
98 | &TempPpiDescriptor,\r | |
99 | (VOID **) &BlockIoPpi\r | |
100 | );\r | |
101 | }\r | |
2f4dfa84 JJ |
102 | if (EFI_ERROR (Status)) {\r |
103 | //\r | |
104 | // Done with all Block Io Ppis\r | |
105 | //\r | |
106 | break;\r | |
107 | }\r | |
108 | \r | |
8a467be1 FT |
109 | if (BlockIo2) {\r |
110 | Status = BlockIo2Ppi->GetNumberOfBlockDevices (\r | |
111 | PeiServices,\r | |
112 | BlockIo2Ppi,\r | |
113 | &NumberBlockDevices\r | |
114 | );\r | |
115 | } else {\r | |
116 | Status = BlockIoPpi->GetNumberOfBlockDevices (\r | |
117 | PeiServices,\r | |
118 | BlockIoPpi,\r | |
119 | &NumberBlockDevices\r | |
120 | );\r | |
121 | }\r | |
2f4dfa84 JJ |
122 | if (EFI_ERROR (Status)) {\r |
123 | continue;\r | |
124 | }\r | |
125 | \r | |
126 | for (Index = 1; Index <= NumberBlockDevices && PrivateData->BlockDeviceCount < PEI_FAT_MAX_BLOCK_DEVICE; Index++) {\r | |
127 | \r | |
8a467be1 FT |
128 | if (BlockIo2) {\r |
129 | Status = BlockIo2Ppi->GetBlockDeviceMediaInfo (\r | |
130 | PeiServices,\r | |
131 | BlockIo2Ppi,\r | |
132 | Index,\r | |
133 | &Media2\r | |
134 | );\r | |
135 | if (EFI_ERROR (Status) || !Media2.MediaPresent) {\r | |
136 | continue;\r | |
137 | }\r | |
138 | } else {\r | |
139 | Status = BlockIoPpi->GetBlockDeviceMediaInfo (\r | |
140 | PeiServices,\r | |
141 | BlockIoPpi,\r | |
142 | Index,\r | |
143 | &Media\r | |
144 | );\r | |
145 | if (EFI_ERROR (Status) || !Media.MediaPresent) {\r | |
146 | continue;\r | |
147 | }\r | |
2f4dfa84 JJ |
148 | }\r |
149 | \r | |
2f4dfa84 JJ |
150 | PrivateData->BlockDevice[PrivateData->BlockDeviceCount].IoAlign = 0;\r |
151 | //\r | |
152 | // Not used here\r | |
153 | //\r | |
154 | PrivateData->BlockDevice[PrivateData->BlockDeviceCount].Logical = FALSE;\r | |
155 | PrivateData->BlockDevice[PrivateData->BlockDeviceCount].PartitionChecked = FALSE;\r | |
156 | \r | |
2f4dfa84 | 157 | PrivateData->BlockDevice[PrivateData->BlockDeviceCount].PhysicalDevNo = (UINT8) Index;\r |
8a467be1 FT |
158 | if (BlockIo2) {\r |
159 | PrivateData->BlockDevice[PrivateData->BlockDeviceCount].BlockIo2 = BlockIo2Ppi;\r | |
160 | PrivateData->BlockDevice[PrivateData->BlockDeviceCount].InterfaceType = Media2.InterfaceType;\r | |
161 | PrivateData->BlockDevice[PrivateData->BlockDeviceCount].LastBlock = Media2.LastBlock;\r | |
162 | PrivateData->BlockDevice[PrivateData->BlockDeviceCount].BlockSize = Media2.BlockSize;\r | |
163 | } else {\r | |
164 | PrivateData->BlockDevice[PrivateData->BlockDeviceCount].BlockIo = BlockIoPpi;\r | |
165 | PrivateData->BlockDevice[PrivateData->BlockDeviceCount].DevType = Media.DeviceType;\r | |
166 | PrivateData->BlockDevice[PrivateData->BlockDeviceCount].LastBlock = Media.LastBlock;\r | |
167 | PrivateData->BlockDevice[PrivateData->BlockDeviceCount].BlockSize = (UINT32) Media.BlockSize;\r | |
168 | }\r | |
2f4dfa84 JJ |
169 | PrivateData->BlockDeviceCount++;\r |
170 | }\r | |
171 | }\r | |
172 | //\r | |
173 | // Find out all logical devices\r | |
174 | //\r | |
175 | FatFindPartitions (PrivateData);\r | |
176 | \r | |
177 | //\r | |
178 | // Build up file system volume array\r | |
179 | //\r | |
180 | PrivateData->VolumeCount = 0;\r | |
181 | for (Index = 0; Index < PrivateData->BlockDeviceCount; Index++) {\r | |
182 | Volume.BlockDeviceNo = Index;\r | |
183 | Status = FatGetBpbInfo (PrivateData, &Volume);\r | |
184 | if (Status == EFI_SUCCESS) {\r | |
185 | //\r | |
186 | // Add the detected volume to the volume array\r | |
187 | //\r | |
188 | CopyMem (\r | |
189 | (UINT8 *) &(PrivateData->Volume[PrivateData->VolumeCount]),\r | |
190 | (UINT8 *) &Volume,\r | |
191 | sizeof (PEI_FAT_VOLUME)\r | |
192 | );\r | |
193 | PrivateData->VolumeCount += 1;\r | |
194 | if (PrivateData->VolumeCount >= PEI_FAT_MAX_VOLUME) {\r | |
195 | break;\r | |
196 | }\r | |
197 | }\r | |
198 | }\r | |
199 | \r | |
200 | return EFI_SUCCESS;\r | |
201 | }\r | |
202 | \r | |
203 | \r | |
204 | /**\r | |
205 | BlockIo installation notification function. Find out all the current BlockIO\r | |
206 | PPIs in the system and add them into private data. Assume there is\r | |
207 | \r | |
208 | @param PeiServices General purpose services available to every \r | |
209 | PEIM. \r | |
210 | @param NotifyDescriptor The typedef structure of the notification \r | |
211 | descriptor. Not used in this function. \r | |
212 | @param Ppi The typedef structure of the PPI descriptor. \r | |
213 | Not used in this function. \r | |
214 | \r | |
215 | @retval EFI_SUCCESS The function completed successfully.\r | |
216 | \r | |
217 | **/\r | |
218 | EFI_STATUS\r | |
219 | EFIAPI\r | |
220 | BlockIoNotifyEntry (\r | |
221 | IN EFI_PEI_SERVICES **PeiServices,\r | |
222 | IN EFI_PEI_NOTIFY_DESCRIPTOR *NotifyDescriptor,\r | |
223 | IN VOID *Ppi\r | |
224 | )\r | |
225 | {\r | |
8a467be1 FT |
226 | if (CompareGuid (NotifyDescriptor->Guid, &gEfiPeiVirtualBlockIo2PpiGuid)) {\r |
227 | UpdateBlocksAndVolumes (mPrivateData, TRUE);\r | |
228 | } else {\r | |
229 | UpdateBlocksAndVolumes (mPrivateData, FALSE);\r | |
230 | }\r | |
2f4dfa84 JJ |
231 | return EFI_SUCCESS;\r |
232 | }\r | |
233 | \r | |
234 | \r | |
235 | /**\r | |
236 | Installs the Device Recovery Module PPI, Initialize BlockIo Ppi\r | |
237 | installation notification\r | |
238 | \r | |
239 | @param FileHandle Handle of the file being invoked. Type \r | |
240 | EFI_PEI_FILE_HANDLE is defined in \r | |
241 | FfsFindNextFile(). \r | |
242 | @param PeiServices Describes the list of possible PEI Services. \r | |
243 | \r | |
244 | @retval EFI_SUCCESS The entry point was executed successfully. \r | |
245 | @retval EFI_OUT_OF_RESOURCES There is no enough memory to complete the \r | |
246 | operations.\r | |
247 | \r | |
248 | **/\r | |
249 | EFI_STATUS\r | |
250 | EFIAPI\r | |
251 | FatPeimEntry (\r | |
252 | IN EFI_PEI_FILE_HANDLE FileHandle,\r | |
253 | IN CONST EFI_PEI_SERVICES **PeiServices\r | |
254 | )\r | |
255 | {\r | |
256 | EFI_STATUS Status;\r | |
257 | EFI_PHYSICAL_ADDRESS Address;\r | |
258 | PEI_FAT_PRIVATE_DATA *PrivateData;\r | |
259 | \r | |
260 | Status = PeiServicesRegisterForShadow (FileHandle);\r | |
261 | if (!EFI_ERROR (Status)) {\r | |
262 | return Status;\r | |
263 | }\r | |
264 | \r | |
265 | Status = PeiServicesAllocatePages (\r | |
266 | EfiBootServicesCode,\r | |
267 | (sizeof (PEI_FAT_PRIVATE_DATA) - 1) / PEI_FAT_MEMMORY_PAGE_SIZE + 1,\r | |
268 | &Address\r | |
269 | );\r | |
270 | if (EFI_ERROR (Status)) {\r | |
271 | return EFI_OUT_OF_RESOURCES;\r | |
272 | }\r | |
273 | \r | |
274 | PrivateData = (PEI_FAT_PRIVATE_DATA *) (UINTN) Address;\r | |
275 | \r | |
276 | //\r | |
277 | // Initialize Private Data (to zero, as is required by subsequent operations)\r | |
278 | //\r | |
279 | ZeroMem ((UINT8 *) PrivateData, sizeof (PEI_FAT_PRIVATE_DATA));\r | |
280 | \r | |
281 | PrivateData->Signature = PEI_FAT_PRIVATE_DATA_SIGNATURE;\r | |
282 | \r | |
283 | //\r | |
284 | // Installs Ppi\r | |
285 | //\r | |
286 | PrivateData->DeviceRecoveryPpi.GetNumberRecoveryCapsules = GetNumberRecoveryCapsules;\r | |
287 | PrivateData->DeviceRecoveryPpi.GetRecoveryCapsuleInfo = GetRecoveryCapsuleInfo;\r | |
288 | PrivateData->DeviceRecoveryPpi.LoadRecoveryCapsule = LoadRecoveryCapsule;\r | |
289 | \r | |
290 | PrivateData->PpiDescriptor.Flags = (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST);\r | |
291 | PrivateData->PpiDescriptor.Guid = &gEfiPeiDeviceRecoveryModulePpiGuid;\r | |
8a467be1 | 292 | PrivateData->PpiDescriptor.Ppi = &PrivateData->DeviceRecoveryPpi;\r |
2f4dfa84 JJ |
293 | \r |
294 | Status = PeiServicesInstallPpi (&PrivateData->PpiDescriptor);\r | |
295 | if (EFI_ERROR (Status)) {\r | |
296 | return EFI_OUT_OF_RESOURCES;\r | |
297 | }\r | |
298 | //\r | |
299 | // Other initializations\r | |
300 | //\r | |
301 | PrivateData->BlockDeviceCount = 0;\r | |
302 | \r | |
8a467be1 FT |
303 | UpdateBlocksAndVolumes (PrivateData, TRUE);\r |
304 | UpdateBlocksAndVolumes (PrivateData, FALSE);\r | |
2f4dfa84 JJ |
305 | \r |
306 | //\r | |
307 | // PrivateData is allocated now, set it to the module variable\r | |
308 | //\r | |
309 | mPrivateData = PrivateData;\r | |
310 | \r | |
311 | //\r | |
312 | // Installs Block Io Ppi notification function\r | |
313 | //\r | |
8a467be1 FT |
314 | PrivateData->NotifyDescriptor[0].Flags =\r |
315 | (\r | |
316 | EFI_PEI_PPI_DESCRIPTOR_NOTIFY_CALLBACK\r | |
317 | );\r | |
318 | PrivateData->NotifyDescriptor[0].Guid = &gEfiPeiVirtualBlockIoPpiGuid;\r | |
319 | PrivateData->NotifyDescriptor[0].Notify = BlockIoNotifyEntry;\r | |
320 | PrivateData->NotifyDescriptor[1].Flags =\r | |
2f4dfa84 JJ |
321 | (\r |
322 | EFI_PEI_PPI_DESCRIPTOR_NOTIFY_CALLBACK |\r | |
323 | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST\r | |
324 | );\r | |
8a467be1 FT |
325 | PrivateData->NotifyDescriptor[1].Guid = &gEfiPeiVirtualBlockIo2PpiGuid;\r |
326 | PrivateData->NotifyDescriptor[1].Notify = BlockIoNotifyEntry;\r | |
327 | return PeiServicesNotifyPpi (&PrivateData->NotifyDescriptor[0]);\r | |
2f4dfa84 JJ |
328 | }\r |
329 | \r | |
330 | \r | |
331 | /**\r | |
332 | Returns the number of DXE capsules residing on the device.\r | |
333 | \r | |
334 | This function searches for DXE capsules from the associated device and returns\r | |
335 | the number and maximum size in bytes of the capsules discovered. Entry 1 is \r | |
336 | assumed to be the highest load priority and entry N is assumed to be the lowest \r | |
337 | priority.\r | |
338 | \r | |
339 | @param[in] PeiServices General-purpose services that are available \r | |
340 | to every PEIM\r | |
341 | @param[in] This Indicates the EFI_PEI_DEVICE_RECOVERY_MODULE_PPI\r | |
342 | instance.\r | |
343 | @param[out] NumberRecoveryCapsules Pointer to a caller-allocated UINTN. On \r | |
344 | output, *NumberRecoveryCapsules contains \r | |
345 | the number of recovery capsule images \r | |
346 | available for retrieval from this PEIM \r | |
347 | instance.\r | |
348 | \r | |
349 | @retval EFI_SUCCESS One or more capsules were discovered.\r | |
350 | @retval EFI_DEVICE_ERROR A device error occurred.\r | |
351 | @retval EFI_NOT_FOUND A recovery DXE capsule cannot be found.\r | |
352 | \r | |
353 | **/\r | |
354 | EFI_STATUS\r | |
355 | EFIAPI\r | |
356 | GetNumberRecoveryCapsules (\r | |
357 | IN EFI_PEI_SERVICES **PeiServices,\r | |
358 | IN EFI_PEI_DEVICE_RECOVERY_MODULE_PPI *This,\r | |
359 | OUT UINTN *NumberRecoveryCapsules\r | |
360 | )\r | |
361 | {\r | |
362 | EFI_STATUS Status;\r | |
363 | PEI_FAT_PRIVATE_DATA *PrivateData;\r | |
364 | UINTN Index;\r | |
365 | UINTN RecoveryCapsuleCount;\r | |
366 | PEI_FILE_HANDLE Handle;\r | |
367 | \r | |
368 | PrivateData = PEI_FAT_PRIVATE_DATA_FROM_THIS (This);\r | |
369 | \r | |
370 | //\r | |
371 | // Search each volume in the root directory for the Recovery capsule\r | |
372 | //\r | |
373 | RecoveryCapsuleCount = 0;\r | |
374 | for (Index = 0; Index < PrivateData->VolumeCount; Index++) {\r | |
375 | Status = FindRecoveryFile (PrivateData, Index, PEI_FAT_RECOVERY_CAPSULE_WITHOUT_NT_EMULATOR, &Handle);\r | |
376 | if (EFI_ERROR (Status)) {\r | |
377 | continue;\r | |
378 | }\r | |
379 | \r | |
380 | RecoveryCapsuleCount++;\r | |
381 | }\r | |
382 | \r | |
383 | *NumberRecoveryCapsules = RecoveryCapsuleCount;\r | |
384 | \r | |
385 | if (*NumberRecoveryCapsules == 0) {\r | |
386 | return EFI_NOT_FOUND;\r | |
387 | }\r | |
388 | \r | |
389 | return EFI_SUCCESS;\r | |
390 | }\r | |
391 | \r | |
392 | \r | |
393 | /**\r | |
394 | Returns the size and type of the requested recovery capsule.\r | |
395 | \r | |
396 | This function gets the size and type of the capsule specified by CapsuleInstance.\r | |
397 | \r | |
398 | @param[in] PeiServices General-purpose services that are available to every PEIM\r | |
399 | @param[in] This Indicates the EFI_PEI_DEVICE_RECOVERY_MODULE_PPI \r | |
400 | instance.\r | |
401 | @param[in] CapsuleInstance Specifies for which capsule instance to retrieve \r | |
402 | the information. This parameter must be between \r | |
403 | one and the value returned by GetNumberRecoveryCapsules() \r | |
404 | in NumberRecoveryCapsules.\r | |
405 | @param[out] Size A pointer to a caller-allocated UINTN in which \r | |
406 | the size of the requested recovery module is \r | |
407 | returned.\r | |
408 | @param[out] CapsuleType A pointer to a caller-allocated EFI_GUID in which \r | |
409 | the type of the requested recovery capsule is \r | |
410 | returned. The semantic meaning of the value \r | |
411 | returned is defined by the implementation.\r | |
412 | \r | |
413 | @retval EFI_SUCCESS One or more capsules were discovered.\r | |
414 | @retval EFI_DEVICE_ERROR A device error occurred.\r | |
415 | @retval EFI_NOT_FOUND A recovery DXE capsule cannot be found.\r | |
416 | \r | |
417 | **/\r | |
418 | EFI_STATUS\r | |
419 | EFIAPI\r | |
420 | GetRecoveryCapsuleInfo (\r | |
421 | IN EFI_PEI_SERVICES **PeiServices,\r | |
422 | IN EFI_PEI_DEVICE_RECOVERY_MODULE_PPI *This,\r | |
423 | IN UINTN CapsuleInstance,\r | |
424 | OUT UINTN *Size,\r | |
425 | OUT EFI_GUID *CapsuleType\r | |
426 | )\r | |
427 | {\r | |
428 | EFI_STATUS Status;\r | |
429 | PEI_FAT_PRIVATE_DATA *PrivateData;\r | |
430 | UINTN Index;\r | |
431 | UINTN BlockDeviceNo;\r | |
432 | UINTN RecoveryCapsuleCount;\r | |
433 | PEI_FILE_HANDLE Handle;\r | |
434 | UINTN NumberRecoveryCapsules;\r | |
435 | \r | |
436 | Status = GetNumberRecoveryCapsules (PeiServices, This, &NumberRecoveryCapsules);\r | |
437 | \r | |
438 | if (EFI_ERROR (Status)) {\r | |
439 | return Status;\r | |
440 | }\r | |
441 | \r | |
442 | if (FeaturePcdGet (PcdFrameworkCompatibilitySupport)) {\r | |
443 | CapsuleInstance = CapsuleInstance + 1;\r | |
444 | }\r | |
445 | \r | |
446 | if ((CapsuleInstance == 0) || (CapsuleInstance > NumberRecoveryCapsules)) {\r | |
447 | return EFI_NOT_FOUND;\r | |
448 | }\r | |
449 | \r | |
450 | PrivateData = PEI_FAT_PRIVATE_DATA_FROM_THIS (This);\r | |
451 | \r | |
452 | //\r | |
453 | // Search each volume in the root directory for the Recovery capsule\r | |
454 | //\r | |
455 | RecoveryCapsuleCount = 0;\r | |
456 | for (Index = 0; Index < PrivateData->VolumeCount; Index++) {\r | |
457 | Status = FindRecoveryFile (PrivateData, Index, PEI_FAT_RECOVERY_CAPSULE_WITHOUT_NT_EMULATOR, &Handle);\r | |
458 | \r | |
459 | if (EFI_ERROR (Status)) {\r | |
460 | continue;\r | |
461 | }\r | |
462 | \r | |
463 | if (CapsuleInstance - 1 == RecoveryCapsuleCount) {\r | |
464 | //\r | |
465 | // Get file size\r | |
466 | //\r | |
467 | *Size = (UINTN) (((PEI_FAT_FILE *) Handle)->FileSize);\r | |
468 | \r | |
469 | //\r | |
470 | // Find corresponding physical block device\r | |
471 | //\r | |
472 | BlockDeviceNo = PrivateData->Volume[Index].BlockDeviceNo;\r | |
473 | while (PrivateData->BlockDevice[BlockDeviceNo].Logical && BlockDeviceNo < PrivateData->BlockDeviceCount) {\r | |
474 | BlockDeviceNo = PrivateData->BlockDevice[BlockDeviceNo].ParentDevNo;\r | |
475 | }\r | |
476 | //\r | |
477 | // Fill in the Capsule Type GUID according to the block device type\r | |
478 | //\r | |
479 | if (BlockDeviceNo < PrivateData->BlockDeviceCount) {\r | |
8a467be1 FT |
480 | if (PrivateData->BlockDevice[BlockDeviceNo].BlockIo2 != NULL) {\r |
481 | switch (PrivateData->BlockDevice[BlockDeviceNo].InterfaceType) {\r | |
482 | case MSG_ATAPI_DP:\r | |
483 | CopyGuid (CapsuleType, &gRecoveryOnFatIdeDiskGuid);\r | |
484 | break;\r | |
485 | \r | |
486 | case MSG_USB_DP:\r | |
487 | CopyGuid (CapsuleType, &gRecoveryOnFatUsbDiskGuid);\r | |
488 | break;\r | |
489 | \r | |
490 | default:\r | |
491 | break;\r | |
492 | }\r | |
493 | }\r | |
494 | if (PrivateData->BlockDevice[BlockDeviceNo].BlockIo != NULL) {\r | |
495 | switch (PrivateData->BlockDevice[BlockDeviceNo].DevType) {\r | |
496 | case LegacyFloppy:\r | |
497 | CopyGuid (CapsuleType, &gRecoveryOnFatFloppyDiskGuid);\r | |
498 | break;\r | |
499 | \r | |
500 | case IdeCDROM:\r | |
501 | case IdeLS120:\r | |
502 | CopyGuid (CapsuleType, &gRecoveryOnFatIdeDiskGuid);\r | |
503 | break;\r | |
504 | \r | |
505 | case UsbMassStorage:\r | |
506 | CopyGuid (CapsuleType, &gRecoveryOnFatUsbDiskGuid);\r | |
507 | break;\r | |
508 | \r | |
509 | default:\r | |
510 | break;\r | |
511 | }\r | |
2f4dfa84 JJ |
512 | }\r |
513 | }\r | |
514 | \r | |
515 | return EFI_SUCCESS;\r | |
516 | }\r | |
517 | \r | |
518 | RecoveryCapsuleCount++;\r | |
519 | }\r | |
520 | \r | |
521 | return EFI_NOT_FOUND;\r | |
522 | }\r | |
523 | \r | |
524 | \r | |
525 | /**\r | |
526 | Loads a DXE capsule from some media into memory.\r | |
527 | \r | |
528 | This function, by whatever mechanism, retrieves a DXE capsule from some device\r | |
529 | and loads it into memory. Note that the published interface is device neutral.\r | |
530 | \r | |
531 | @param[in] PeiServices General-purpose services that are available \r | |
532 | to every PEIM\r | |
533 | @param[in] This Indicates the EFI_PEI_DEVICE_RECOVERY_MODULE_PPI\r | |
534 | instance.\r | |
535 | @param[in] CapsuleInstance Specifies which capsule instance to retrieve.\r | |
536 | @param[out] Buffer Specifies a caller-allocated buffer in which \r | |
537 | the requested recovery capsule will be returned.\r | |
538 | \r | |
539 | @retval EFI_SUCCESS The capsule was loaded correctly.\r | |
540 | @retval EFI_DEVICE_ERROR A device error occurred.\r | |
541 | @retval EFI_NOT_FOUND A requested recovery DXE capsule cannot be found.\r | |
542 | \r | |
543 | **/\r | |
544 | EFI_STATUS\r | |
545 | EFIAPI\r | |
546 | LoadRecoveryCapsule (\r | |
547 | IN EFI_PEI_SERVICES **PeiServices,\r | |
548 | IN EFI_PEI_DEVICE_RECOVERY_MODULE_PPI *This,\r | |
549 | IN UINTN CapsuleInstance,\r | |
550 | OUT VOID *Buffer\r | |
551 | )\r | |
552 | {\r | |
553 | EFI_STATUS Status;\r | |
554 | PEI_FAT_PRIVATE_DATA *PrivateData;\r | |
555 | UINTN Index;\r | |
556 | UINTN RecoveryCapsuleCount;\r | |
557 | PEI_FILE_HANDLE Handle;\r | |
558 | UINTN NumberRecoveryCapsules;\r | |
559 | \r | |
560 | Status = GetNumberRecoveryCapsules (PeiServices, This, &NumberRecoveryCapsules);\r | |
561 | \r | |
562 | if (EFI_ERROR (Status)) {\r | |
563 | return Status;\r | |
564 | }\r | |
565 | \r | |
566 | if (FeaturePcdGet (PcdFrameworkCompatibilitySupport)) {\r | |
567 | CapsuleInstance = CapsuleInstance + 1;\r | |
568 | }\r | |
569 | \r | |
570 | if ((CapsuleInstance == 0) || (CapsuleInstance > NumberRecoveryCapsules)) {\r | |
571 | return EFI_NOT_FOUND;\r | |
572 | }\r | |
573 | \r | |
574 | PrivateData = PEI_FAT_PRIVATE_DATA_FROM_THIS (This);\r | |
575 | \r | |
576 | //\r | |
577 | // Search each volume in the root directory for the Recovery capsule\r | |
578 | //\r | |
579 | RecoveryCapsuleCount = 0;\r | |
580 | for (Index = 0; Index < PrivateData->VolumeCount; Index++) {\r | |
581 | Status = FindRecoveryFile (PrivateData, Index, PEI_FAT_RECOVERY_CAPSULE_WITHOUT_NT_EMULATOR, &Handle);\r | |
582 | if (EFI_ERROR (Status)) {\r | |
583 | continue;\r | |
584 | }\r | |
585 | \r | |
586 | if (CapsuleInstance - 1 == RecoveryCapsuleCount) {\r | |
587 | \r | |
588 | Status = FatReadFile (\r | |
589 | PrivateData,\r | |
590 | Handle,\r | |
591 | (UINTN) (((PEI_FAT_FILE *) Handle)->FileSize),\r | |
592 | Buffer\r | |
593 | );\r | |
594 | return Status;\r | |
595 | }\r | |
596 | \r | |
597 | RecoveryCapsuleCount++;\r | |
598 | }\r | |
599 | \r | |
600 | return EFI_NOT_FOUND;\r | |
601 | }\r | |
602 | \r | |
603 | \r | |
604 | /**\r | |
605 | Finds the recovery file on a FAT volume.\r | |
606 | This function finds the the recovery file named FileName on a specified FAT volume and returns\r | |
607 | its FileHandle pointer.\r | |
608 | \r | |
609 | @param PrivateData Global memory map for accessing global \r | |
610 | variables. \r | |
611 | @param VolumeIndex The index of the volume. \r | |
612 | @param FileName The recovery file name to find. \r | |
613 | @param Handle The output file handle. \r | |
614 | \r | |
615 | @retval EFI_DEVICE_ERROR Some error occured when operating the FAT \r | |
616 | volume. \r | |
617 | @retval EFI_NOT_FOUND The recovery file was not found. \r | |
618 | @retval EFI_SUCCESS The recovery file was successfully found on the \r | |
619 | FAT volume.\r | |
620 | \r | |
621 | **/\r | |
622 | EFI_STATUS\r | |
623 | FindRecoveryFile (\r | |
624 | IN PEI_FAT_PRIVATE_DATA *PrivateData,\r | |
625 | IN UINTN VolumeIndex,\r | |
626 | IN CHAR16 *FileName,\r | |
627 | OUT PEI_FILE_HANDLE *Handle\r | |
628 | )\r | |
629 | {\r | |
630 | EFI_STATUS Status;\r | |
631 | PEI_FAT_FILE Parent;\r | |
632 | PEI_FAT_FILE *File;\r | |
633 | \r | |
634 | File = &PrivateData->File;\r | |
635 | \r | |
636 | //\r | |
637 | // VolumeIndex must be less than PEI_FAT_MAX_VOLUME because PrivateData->VolumeCount\r | |
638 | // cannot be larger than PEI_FAT_MAX_VOLUME when detecting recovery volume.\r | |
639 | //\r | |
640 | ASSERT (VolumeIndex < PEI_FAT_MAX_VOLUME);\r | |
641 | \r | |
642 | //\r | |
643 | // Construct root directory file\r | |
644 | //\r | |
1d951a30 | 645 | ZeroMem (&Parent, sizeof (PEI_FAT_FILE));\r |
2f4dfa84 JJ |
646 | Parent.IsFixedRootDir = (BOOLEAN) ((PrivateData->Volume[VolumeIndex].FatType == Fat32) ? FALSE : TRUE);\r |
647 | Parent.Attributes = FAT_ATTR_DIRECTORY;\r | |
648 | Parent.CurrentPos = 0;\r | |
649 | Parent.CurrentCluster = Parent.IsFixedRootDir ? 0 : PrivateData->Volume[VolumeIndex].RootDirCluster;\r | |
650 | Parent.StartingCluster = Parent.CurrentCluster;\r | |
651 | Parent.Volume = &PrivateData->Volume[VolumeIndex];\r | |
652 | \r | |
653 | Status = FatSetFilePos (PrivateData, &Parent, 0);\r | |
654 | if (EFI_ERROR (Status)) {\r | |
655 | return EFI_DEVICE_ERROR;\r | |
656 | }\r | |
657 | //\r | |
658 | // Search for recovery capsule in root directory\r | |
659 | //\r | |
660 | Status = FatReadNextDirectoryEntry (PrivateData, &Parent, File);\r | |
661 | while (Status == EFI_SUCCESS) {\r | |
1d951a30 FT |
662 | //\r |
663 | // Compare whether the file name is recovery file name.\r | |
664 | //\r | |
2f4dfa84 JJ |
665 | if (EngStriColl (PrivateData, FileName, File->FileName)) {\r |
666 | break;\r | |
667 | }\r | |
668 | \r | |
669 | Status = FatReadNextDirectoryEntry (PrivateData, &Parent, File);\r | |
670 | }\r | |
671 | \r | |
672 | if (EFI_ERROR (Status)) {\r | |
673 | return EFI_NOT_FOUND;\r | |
674 | }\r | |
675 | \r | |
1d951a30 FT |
676 | //\r |
677 | // Get the recovery file, set its file position to 0.\r | |
678 | //\r | |
679 | if (File->StartingCluster != 0) {\r | |
680 | Status = FatSetFilePos (PrivateData, File, 0);\r | |
681 | }\r | |
682 | \r | |
2f4dfa84 JJ |
683 | *Handle = File;\r |
684 | \r | |
685 | return EFI_SUCCESS;\r | |
686 | \r | |
687 | }\r |