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30c00a1c | 1 | /** @file\r |
2 | Source file for CD recovery PEIM\r | |
3 | \r | |
2e217e40 | 4 | Copyright (c) 2006 - 2019, Intel Corporation. All rights reserved.<BR>\r |
30c00a1c | 5 | \r |
9d510e61 | 6 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
30c00a1c | 7 | \r |
8 | **/\r | |
9 | \r | |
10 | #include "PeiCdExpress.h"\r | |
11 | \r | |
12 | PEI_CD_EXPRESS_PRIVATE_DATA *mPrivateData = NULL;\r | |
97533607 JY |
13 | CHAR8 *mRecoveryFileName;\r |
14 | UINTN mRecoveryFileNameSize;\r | |
30c00a1c | 15 | \r |
16 | /**\r | |
d1102dba | 17 | Installs the Device Recovery Module PPI, Initialize BlockIo Ppi\r |
30c00a1c | 18 | installation notification\r |
19 | \r | |
20 | @param FileHandle The file handle of the image.\r | |
21 | @param PeiServices General purpose services available to every PEIM.\r | |
22 | \r | |
23 | @retval EFI_SUCCESS The function completed successfully.\r | |
24 | @retval EFI_OUT_OF_RESOURCES There is not enough system memory.\r | |
25 | \r | |
26 | **/\r | |
27 | EFI_STATUS\r | |
28 | EFIAPI\r | |
29 | CdExpressPeimEntry (\r | |
30 | IN EFI_PEI_FILE_HANDLE FileHandle,\r | |
31 | IN CONST EFI_PEI_SERVICES **PeiServices\r | |
32 | )\r | |
33 | {\r | |
34 | EFI_STATUS Status;\r | |
35 | PEI_CD_EXPRESS_PRIVATE_DATA *PrivateData;\r | |
36 | \r | |
37 | if (!EFI_ERROR (PeiServicesRegisterForShadow (FileHandle))) {\r | |
38 | return EFI_SUCCESS;\r | |
39 | }\r | |
40 | \r | |
41 | PrivateData = AllocatePages (EFI_SIZE_TO_PAGES (sizeof (*PrivateData)));\r | |
42 | if (PrivateData == NULL) {\r | |
43 | return EFI_OUT_OF_RESOURCES;\r | |
44 | }\r | |
45 | \r | |
97533607 JY |
46 | mRecoveryFileNameSize = PcdGetSize(PcdRecoveryFileName) / sizeof(CHAR16);\r |
47 | mRecoveryFileName = AllocatePool(mRecoveryFileNameSize);\r | |
48 | if (mRecoveryFileName == NULL) {\r | |
49 | return EFI_OUT_OF_RESOURCES;\r | |
50 | }\r | |
51 | Status = UnicodeStrToAsciiStrS(PcdGetPtr(PcdRecoveryFileName), mRecoveryFileName, mRecoveryFileNameSize);\r | |
52 | if (EFI_ERROR(Status)) {\r | |
53 | return Status;\r | |
54 | }\r | |
55 | \r | |
30c00a1c | 56 | //\r |
57 | // Initialize Private Data (to zero, as is required by subsequent operations)\r | |
58 | //\r | |
59 | ZeroMem (PrivateData, sizeof (*PrivateData));\r | |
60 | PrivateData->Signature = PEI_CD_EXPRESS_PRIVATE_DATA_SIGNATURE;\r | |
61 | \r | |
62 | PrivateData->BlockBuffer = AllocatePages (EFI_SIZE_TO_PAGES (PEI_CD_BLOCK_SIZE));\r | |
63 | if (PrivateData->BlockBuffer == NULL) {\r | |
64 | return EFI_OUT_OF_RESOURCES;\r | |
65 | }\r | |
66 | \r | |
67 | PrivateData->CapsuleCount = 0;\r | |
f9964c80 FT |
68 | Status = UpdateBlocksAndVolumes (PrivateData, TRUE);\r |
69 | Status = UpdateBlocksAndVolumes (PrivateData, FALSE);\r | |
30c00a1c | 70 | \r |
71 | //\r | |
72 | // Installs Ppi\r | |
73 | //\r | |
74 | PrivateData->DeviceRecoveryPpi.GetNumberRecoveryCapsules = GetNumberRecoveryCapsules;\r | |
75 | PrivateData->DeviceRecoveryPpi.GetRecoveryCapsuleInfo = GetRecoveryCapsuleInfo;\r | |
76 | PrivateData->DeviceRecoveryPpi.LoadRecoveryCapsule = LoadRecoveryCapsule;\r | |
77 | \r | |
f9964c80 FT |
78 | PrivateData->PpiDescriptor.Flags = (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST);\r |
79 | PrivateData->PpiDescriptor.Guid = &gEfiPeiDeviceRecoveryModulePpiGuid;\r | |
80 | PrivateData->PpiDescriptor.Ppi = &PrivateData->DeviceRecoveryPpi;\r | |
30c00a1c | 81 | \r |
82 | Status = PeiServicesInstallPpi (&PrivateData->PpiDescriptor);\r | |
83 | if (EFI_ERROR (Status)) {\r | |
84 | return EFI_OUT_OF_RESOURCES;\r | |
85 | }\r | |
86 | //\r | |
87 | // PrivateData is allocated now, set it to the module variable\r | |
88 | //\r | |
89 | mPrivateData = PrivateData;\r | |
90 | \r | |
91 | //\r | |
92 | // Installs Block Io Ppi notification function\r | |
93 | //\r | |
94 | PrivateData->NotifyDescriptor.Flags =\r | |
95 | (\r | |
f9964c80 | 96 | EFI_PEI_PPI_DESCRIPTOR_NOTIFY_CALLBACK\r |
30c00a1c | 97 | );\r |
98 | PrivateData->NotifyDescriptor.Guid = &gEfiPeiVirtualBlockIoPpiGuid;\r | |
99 | PrivateData->NotifyDescriptor.Notify = BlockIoNotifyEntry;\r | |
f9964c80 FT |
100 | \r |
101 | PrivateData->NotifyDescriptor2.Flags =\r | |
102 | (\r | |
103 | EFI_PEI_PPI_DESCRIPTOR_NOTIFY_CALLBACK |\r | |
104 | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST\r | |
105 | );\r | |
106 | PrivateData->NotifyDescriptor2.Guid = &gEfiPeiVirtualBlockIo2PpiGuid;\r | |
107 | PrivateData->NotifyDescriptor2.Notify = BlockIoNotifyEntry;\r | |
108 | \r | |
30c00a1c | 109 | return PeiServicesNotifyPpi (&PrivateData->NotifyDescriptor);\r |
110 | \r | |
111 | }\r | |
112 | \r | |
113 | /**\r | |
d1102dba LG |
114 | BlockIo installation notification function.\r |
115 | \r | |
30c00a1c | 116 | This function finds out all the current Block IO PPIs in the system and add them\r |
117 | into private data.\r | |
118 | \r | |
119 | @param PeiServices Indirect reference to the PEI Services Table.\r | |
120 | @param NotifyDescriptor Address of the notification descriptor data structure.\r | |
121 | @param Ppi Address of the PPI that was installed.\r | |
122 | \r | |
123 | @retval EFI_SUCCESS The function completes successfully.\r | |
124 | \r | |
125 | **/\r | |
126 | EFI_STATUS\r | |
127 | EFIAPI\r | |
128 | BlockIoNotifyEntry (\r | |
129 | IN EFI_PEI_SERVICES **PeiServices,\r | |
130 | IN EFI_PEI_NOTIFY_DESCRIPTOR *NotifyDescriptor,\r | |
131 | IN VOID *Ppi\r | |
132 | )\r | |
133 | {\r | |
f9964c80 FT |
134 | if (CompareGuid (NotifyDescriptor->Guid, &gEfiPeiVirtualBlockIo2PpiGuid)) {\r |
135 | UpdateBlocksAndVolumes (mPrivateData, TRUE);\r | |
136 | } else {\r | |
137 | UpdateBlocksAndVolumes (mPrivateData, FALSE);\r | |
138 | }\r | |
30c00a1c | 139 | \r |
140 | return EFI_SUCCESS;\r | |
141 | }\r | |
142 | \r | |
143 | /**\r | |
144 | Finds out all the current Block IO PPIs in the system and add them into private data.\r | |
145 | \r | |
146 | @param PrivateData The private data structure that contains recovery module information.\r | |
f9964c80 | 147 | @param BlockIo2 Boolean to show whether using BlockIo2 or BlockIo.\r |
30c00a1c | 148 | \r |
149 | @retval EFI_SUCCESS The blocks and volumes are updated successfully.\r | |
150 | \r | |
151 | **/\r | |
152 | EFI_STATUS\r | |
153 | UpdateBlocksAndVolumes (\r | |
f9964c80 FT |
154 | IN OUT PEI_CD_EXPRESS_PRIVATE_DATA *PrivateData,\r |
155 | IN BOOLEAN BlockIo2\r | |
30c00a1c | 156 | )\r |
157 | {\r | |
158 | EFI_STATUS Status;\r | |
159 | EFI_PEI_PPI_DESCRIPTOR *TempPpiDescriptor;\r | |
160 | UINTN BlockIoPpiInstance;\r | |
161 | EFI_PEI_RECOVERY_BLOCK_IO_PPI *BlockIoPpi;\r | |
f9964c80 | 162 | EFI_PEI_RECOVERY_BLOCK_IO2_PPI *BlockIo2Ppi;\r |
30c00a1c | 163 | UINTN NumberBlockDevices;\r |
164 | UINTN IndexBlockDevice;\r | |
165 | EFI_PEI_BLOCK_IO_MEDIA Media;\r | |
f9964c80 | 166 | EFI_PEI_BLOCK_IO2_MEDIA Media2;\r |
30c00a1c | 167 | EFI_PEI_SERVICES **PeiServices;\r |
168 | \r | |
169 | IndexBlockDevice = 0;\r | |
02c9f144 FT |
170 | BlockIo2Ppi = NULL;\r |
171 | BlockIoPpi = NULL;\r | |
30c00a1c | 172 | //\r |
173 | // Find out all Block Io Ppi instances within the system\r | |
174 | // Assuming all device Block Io Peims are dispatched already\r | |
175 | //\r | |
176 | for (BlockIoPpiInstance = 0; BlockIoPpiInstance < PEI_CD_EXPRESS_MAX_BLOCK_IO_PPI; BlockIoPpiInstance++) {\r | |
f9964c80 FT |
177 | if (BlockIo2) {\r |
178 | Status = PeiServicesLocatePpi (\r | |
179 | &gEfiPeiVirtualBlockIo2PpiGuid,\r | |
180 | BlockIoPpiInstance,\r | |
181 | &TempPpiDescriptor,\r | |
182 | (VOID **) &BlockIo2Ppi\r | |
183 | );\r | |
184 | } else {\r | |
185 | Status = PeiServicesLocatePpi (\r | |
186 | &gEfiPeiVirtualBlockIoPpiGuid,\r | |
187 | BlockIoPpiInstance,\r | |
188 | &TempPpiDescriptor,\r | |
189 | (VOID **) &BlockIoPpi\r | |
190 | );\r | |
191 | }\r | |
30c00a1c | 192 | if (EFI_ERROR (Status)) {\r |
193 | //\r | |
194 | // Done with all Block Io Ppis\r | |
195 | //\r | |
196 | break;\r | |
197 | }\r | |
198 | \r | |
199 | PeiServices = (EFI_PEI_SERVICES **) GetPeiServicesTablePointer ();\r | |
f9964c80 FT |
200 | if (BlockIo2) {\r |
201 | Status = BlockIo2Ppi->GetNumberOfBlockDevices (\r | |
202 | PeiServices,\r | |
203 | BlockIo2Ppi,\r | |
204 | &NumberBlockDevices\r | |
205 | );\r | |
206 | } else {\r | |
207 | Status = BlockIoPpi->GetNumberOfBlockDevices (\r | |
208 | PeiServices,\r | |
209 | BlockIoPpi,\r | |
210 | &NumberBlockDevices\r | |
211 | );\r | |
212 | }\r | |
30c00a1c | 213 | if (EFI_ERROR (Status) || (NumberBlockDevices == 0)) {\r |
214 | continue;\r | |
215 | }\r | |
216 | //\r | |
217 | // Just retrieve the first block, should emulate all blocks.\r | |
218 | //\r | |
219 | for (IndexBlockDevice = 1; IndexBlockDevice <= NumberBlockDevices && PrivateData->CapsuleCount < PEI_CD_EXPRESS_MAX_CAPSULE_NUMBER; IndexBlockDevice ++) {\r | |
f9964c80 FT |
220 | if (BlockIo2) {\r |
221 | Status = BlockIo2Ppi->GetBlockDeviceMediaInfo (\r | |
222 | PeiServices,\r | |
223 | BlockIo2Ppi,\r | |
224 | IndexBlockDevice,\r | |
225 | &Media2\r | |
226 | );\r | |
227 | if (EFI_ERROR (Status) ||\r | |
228 | !Media2.MediaPresent ||\r | |
229 | ((Media2.InterfaceType != MSG_ATAPI_DP) && (Media2.InterfaceType != MSG_USB_DP)) ||\r | |
230 | (Media2.BlockSize != PEI_CD_BLOCK_SIZE)\r | |
231 | ) {\r | |
232 | continue;\r | |
233 | }\r | |
234 | DEBUG ((EFI_D_INFO, "PeiCdExpress InterfaceType is %d\n", Media2.InterfaceType));\r | |
235 | DEBUG ((EFI_D_INFO, "PeiCdExpress MediaPresent is %d\n", Media2.MediaPresent));\r | |
236 | DEBUG ((EFI_D_INFO, "PeiCdExpress BlockSize is 0x%x\n", Media2.BlockSize));\r | |
237 | } else {\r | |
238 | Status = BlockIoPpi->GetBlockDeviceMediaInfo (\r | |
239 | PeiServices,\r | |
240 | BlockIoPpi,\r | |
241 | IndexBlockDevice,\r | |
242 | &Media\r | |
243 | );\r | |
244 | if (EFI_ERROR (Status) ||\r | |
245 | !Media.MediaPresent ||\r | |
246 | ((Media.DeviceType != IdeCDROM) && (Media.DeviceType != UsbMassStorage)) ||\r | |
247 | (Media.BlockSize != PEI_CD_BLOCK_SIZE)\r | |
248 | ) {\r | |
249 | continue;\r | |
250 | }\r | |
251 | DEBUG ((EFI_D_INFO, "PeiCdExpress DeviceType is %d\n", Media.DeviceType));\r | |
252 | DEBUG ((EFI_D_INFO, "PeiCdExpress MediaPresent is %d\n", Media.MediaPresent));\r | |
253 | DEBUG ((EFI_D_INFO, "PeiCdExpress BlockSize is 0x%x\n", Media.BlockSize));\r | |
30c00a1c | 254 | }\r |
255 | \r | |
30c00a1c | 256 | DEBUG ((EFI_D_INFO, "PeiCdExpress Status is %d\n", Status));\r |
257 | \r | |
258 | DEBUG ((EFI_D_INFO, "IndexBlockDevice is %d\n", IndexBlockDevice));\r | |
f9964c80 FT |
259 | PrivateData->CapsuleData[PrivateData->CapsuleCount].IndexBlock = IndexBlockDevice;\r |
260 | if (BlockIo2) {\r | |
261 | PrivateData->CapsuleData[PrivateData->CapsuleCount].BlockIo2 = BlockIo2Ppi;\r | |
262 | } else {\r | |
263 | PrivateData->CapsuleData[PrivateData->CapsuleCount].BlockIo = BlockIoPpi;\r | |
264 | }\r | |
30c00a1c | 265 | Status = FindRecoveryCapsules (PrivateData);\r |
266 | DEBUG ((EFI_D_INFO, "Status is %d\n", Status));\r | |
267 | \r | |
268 | if (EFI_ERROR (Status)) {\r | |
269 | continue;\r | |
270 | }\r | |
d1102dba | 271 | \r |
30c00a1c | 272 | PrivateData->CapsuleCount++;\r |
273 | }\r | |
274 | \r | |
275 | }\r | |
276 | \r | |
277 | return EFI_SUCCESS;\r | |
278 | }\r | |
279 | \r | |
280 | /**\r | |
281 | Finds out the recovery capsule in the current volume.\r | |
282 | \r | |
283 | @param PrivateData The private data structure that contains recovery module information.\r | |
284 | \r | |
285 | @retval EFI_SUCCESS The recovery capsule is successfully found in the volume.\r | |
286 | @retval EFI_NOT_FOUND The recovery capsule is not found in the volume.\r | |
287 | \r | |
288 | **/\r | |
289 | EFI_STATUS\r | |
290 | EFIAPI\r | |
291 | FindRecoveryCapsules (\r | |
292 | IN OUT PEI_CD_EXPRESS_PRIVATE_DATA *PrivateData\r | |
293 | )\r | |
294 | {\r | |
295 | EFI_STATUS Status;\r | |
296 | UINTN Lba;\r | |
297 | EFI_PEI_RECOVERY_BLOCK_IO_PPI *BlockIoPpi;\r | |
f9964c80 | 298 | EFI_PEI_RECOVERY_BLOCK_IO2_PPI *BlockIo2Ppi;\r |
30c00a1c | 299 | UINTN BufferSize;\r |
300 | UINT8 *Buffer;\r | |
301 | UINT8 Type;\r | |
302 | UINT8 *StandardID;\r | |
303 | UINT32 RootDirLBA;\r | |
304 | PEI_CD_EXPRESS_DIR_FILE_RECORD *RoorDirRecord;\r | |
305 | UINTN VolumeSpaceSize;\r | |
306 | BOOLEAN StartOfVolume;\r | |
307 | UINTN OriginalLBA;\r | |
308 | UINTN IndexBlockDevice;\r | |
309 | \r | |
310 | Buffer = PrivateData->BlockBuffer;\r | |
311 | BufferSize = PEI_CD_BLOCK_SIZE;\r | |
312 | \r | |
313 | Lba = 16;\r | |
314 | //\r | |
315 | // The volume descriptor starts on Lba 16\r | |
316 | //\r | |
317 | IndexBlockDevice = PrivateData->CapsuleData[PrivateData->CapsuleCount].IndexBlock;\r | |
318 | BlockIoPpi = PrivateData->CapsuleData[PrivateData->CapsuleCount].BlockIo;\r | |
f9964c80 | 319 | BlockIo2Ppi = PrivateData->CapsuleData[PrivateData->CapsuleCount].BlockIo2;\r |
30c00a1c | 320 | \r |
321 | VolumeSpaceSize = 0;\r | |
322 | StartOfVolume = TRUE;\r | |
323 | OriginalLBA = 16;\r | |
324 | \r | |
325 | while (TRUE) {\r | |
326 | SetMem (Buffer, BufferSize, 0);\r | |
f9964c80 FT |
327 | if (BlockIo2Ppi != NULL) {\r |
328 | Status = BlockIo2Ppi->ReadBlocks (\r | |
329 | (EFI_PEI_SERVICES **) GetPeiServicesTablePointer (),\r | |
330 | BlockIo2Ppi,\r | |
331 | IndexBlockDevice,\r | |
332 | Lba,\r | |
333 | BufferSize,\r | |
334 | Buffer\r | |
335 | );\r | |
336 | } else {\r | |
337 | Status = BlockIoPpi->ReadBlocks (\r | |
338 | (EFI_PEI_SERVICES **) GetPeiServicesTablePointer (),\r | |
339 | BlockIoPpi,\r | |
340 | IndexBlockDevice,\r | |
341 | Lba,\r | |
342 | BufferSize,\r | |
343 | Buffer\r | |
344 | );\r | |
345 | }\r | |
30c00a1c | 346 | if (EFI_ERROR (Status)) {\r |
347 | return Status;\r | |
348 | }\r | |
349 | \r | |
350 | StandardID = (UINT8 *) (Buffer + PEI_CD_EXPRESS_STANDARD_ID_OFFSET);\r | |
351 | if (!StringCmp (StandardID, (UINT8 *) PEI_CD_STANDARD_ID, PEI_CD_EXPRESS_STANDARD_ID_SIZE, TRUE)) {\r | |
352 | break;\r | |
353 | }\r | |
354 | \r | |
355 | if (StartOfVolume) {\r | |
356 | OriginalLBA = Lba;\r | |
357 | StartOfVolume = FALSE;\r | |
358 | }\r | |
359 | \r | |
360 | Type = *(UINT8 *) (Buffer + PEI_CD_EXPRESS_VOLUME_TYPE_OFFSET);\r | |
361 | if (Type == PEI_CD_EXPRESS_VOLUME_TYPE_TERMINATOR) {\r | |
362 | if (VolumeSpaceSize == 0) {\r | |
363 | break;\r | |
364 | } else {\r | |
365 | Lba = (OriginalLBA + VolumeSpaceSize);\r | |
366 | VolumeSpaceSize = 0;\r | |
367 | StartOfVolume = TRUE;\r | |
368 | continue;\r | |
369 | }\r | |
370 | }\r | |
371 | \r | |
372 | if (Type != PEI_CD_EXPRESS_VOLUME_TYPE_PRIMARY) {\r | |
373 | Lba++;\r | |
374 | continue;\r | |
375 | }\r | |
376 | \r | |
377 | VolumeSpaceSize = *(UINT32 *) (Buffer + PEI_CD_EXPRESS_VOLUME_SPACE_OFFSET);\r | |
378 | \r | |
379 | RoorDirRecord = (PEI_CD_EXPRESS_DIR_FILE_RECORD *) (Buffer + PEI_CD_EXPRESS_ROOT_DIR_RECORD_OFFSET);\r | |
380 | RootDirLBA = RoorDirRecord->LocationOfExtent[0];\r | |
381 | \r | |
f9964c80 | 382 | Status = RetrieveCapsuleFileFromRoot (PrivateData, BlockIoPpi, BlockIo2Ppi, IndexBlockDevice, RootDirLBA);\r |
30c00a1c | 383 | if (!EFI_ERROR (Status)) {\r |
384 | //\r | |
385 | // Just look for the first primary descriptor\r | |
386 | //\r | |
387 | return EFI_SUCCESS;\r | |
388 | }\r | |
389 | \r | |
390 | Lba++;\r | |
391 | }\r | |
392 | \r | |
393 | return EFI_NOT_FOUND;\r | |
394 | }\r | |
395 | \r | |
396 | /**\r | |
397 | Retrieves the recovery capsule in root directory of the current volume.\r | |
398 | \r | |
399 | @param PrivateData The private data structure that contains recovery module information.\r | |
400 | @param BlockIoPpi The Block IO PPI used to access the volume.\r | |
f9964c80 | 401 | @param BlockIo2Ppi The Block IO 2 PPI used to access the volume.\r |
30c00a1c | 402 | @param IndexBlockDevice The index of current block device.\r |
403 | @param Lba The starting logic block address to retrieve capsule.\r | |
404 | \r | |
405 | @retval EFI_SUCCESS The recovery capsule is successfully found in the volume.\r | |
406 | @retval EFI_NOT_FOUND The recovery capsule is not found in the volume.\r | |
d1102dba | 407 | @retval Others\r |
30c00a1c | 408 | \r |
409 | **/\r | |
410 | EFI_STATUS\r | |
411 | EFIAPI\r | |
412 | RetrieveCapsuleFileFromRoot (\r | |
413 | IN OUT PEI_CD_EXPRESS_PRIVATE_DATA *PrivateData,\r | |
414 | IN EFI_PEI_RECOVERY_BLOCK_IO_PPI *BlockIoPpi,\r | |
f9964c80 | 415 | IN EFI_PEI_RECOVERY_BLOCK_IO2_PPI *BlockIo2Ppi,\r |
30c00a1c | 416 | IN UINTN IndexBlockDevice,\r |
417 | IN UINT32 Lba\r | |
418 | )\r | |
419 | {\r | |
420 | EFI_STATUS Status;\r | |
421 | UINTN BufferSize;\r | |
422 | UINT8 *Buffer;\r | |
423 | PEI_CD_EXPRESS_DIR_FILE_RECORD *FileRecord;\r | |
424 | UINTN Index;\r | |
425 | \r | |
426 | Buffer = PrivateData->BlockBuffer;\r | |
427 | BufferSize = PEI_CD_BLOCK_SIZE;\r | |
428 | \r | |
429 | SetMem (Buffer, BufferSize, 0);\r | |
430 | \r | |
f9964c80 FT |
431 | if (BlockIo2Ppi != NULL) {\r |
432 | Status = BlockIo2Ppi->ReadBlocks (\r | |
433 | (EFI_PEI_SERVICES **) GetPeiServicesTablePointer (),\r | |
434 | BlockIo2Ppi,\r | |
435 | IndexBlockDevice,\r | |
436 | Lba,\r | |
437 | BufferSize,\r | |
438 | Buffer\r | |
439 | );\r | |
440 | } else {\r | |
441 | Status = BlockIoPpi->ReadBlocks (\r | |
442 | (EFI_PEI_SERVICES **) GetPeiServicesTablePointer (),\r | |
443 | BlockIoPpi,\r | |
444 | IndexBlockDevice,\r | |
445 | Lba,\r | |
446 | BufferSize,\r | |
447 | Buffer\r | |
448 | );\r | |
449 | }\r | |
30c00a1c | 450 | if (EFI_ERROR (Status)) {\r |
451 | return Status;\r | |
452 | }\r | |
453 | \r | |
454 | while (1) {\r | |
455 | FileRecord = (PEI_CD_EXPRESS_DIR_FILE_RECORD *) Buffer;\r | |
456 | \r | |
457 | if (FileRecord->Length == 0) {\r | |
458 | break;\r | |
459 | }\r | |
460 | //\r | |
461 | // Not intend to check other flag now\r | |
462 | //\r | |
463 | if ((FileRecord->Flag & PEI_CD_EXPRESS_DIR_FILE_REC_FLAG_ISDIR) != 0) {\r | |
464 | Buffer += FileRecord->Length;\r | |
465 | continue;\r | |
466 | }\r | |
467 | \r | |
468 | for (Index = 0; Index < FileRecord->FileIDLength; Index++) {\r | |
469 | if (FileRecord->FileID[Index] == ';') {\r | |
470 | break;\r | |
471 | }\r | |
472 | }\r | |
473 | \r | |
97533607 | 474 | if (Index != mRecoveryFileNameSize - 1) {\r |
30c00a1c | 475 | Buffer += FileRecord->Length;\r |
476 | continue;\r | |
477 | }\r | |
478 | \r | |
97533607 | 479 | if (!StringCmp (FileRecord->FileID, (UINT8 *)mRecoveryFileName, mRecoveryFileNameSize - 1, FALSE)) {\r |
30c00a1c | 480 | Buffer += FileRecord->Length;\r |
481 | continue;\r | |
482 | }\r | |
483 | \r | |
484 | PrivateData->CapsuleData[PrivateData->CapsuleCount].CapsuleStartLBA = FileRecord->LocationOfExtent[0];\r | |
9381ad87 | 485 | PrivateData->CapsuleData[PrivateData->CapsuleCount].CapsuleBlockAlignedSize =\r |
30c00a1c | 486 | (\r |
487 | FileRecord->DataLength[0] /\r | |
488 | PEI_CD_BLOCK_SIZE +\r | |
489 | 1\r | |
490 | ) *\r | |
491 | PEI_CD_BLOCK_SIZE;\r | |
9381ad87 | 492 | PrivateData->CapsuleData[PrivateData->CapsuleCount].CapsuleSize = FileRecord->DataLength[0];\r |
30c00a1c | 493 | \r |
494 | return EFI_SUCCESS;\r | |
495 | }\r | |
496 | \r | |
497 | return EFI_NOT_FOUND;\r | |
498 | }\r | |
499 | \r | |
500 | /**\r | |
501 | Returns the number of DXE capsules residing on the device.\r | |
502 | \r | |
503 | This function searches for DXE capsules from the associated device and returns\r | |
d1102dba LG |
504 | the number and maximum size in bytes of the capsules discovered. Entry 1 is\r |
505 | assumed to be the highest load priority and entry N is assumed to be the lowest\r | |
30c00a1c | 506 | priority.\r |
507 | \r | |
d1102dba | 508 | @param[in] PeiServices General-purpose services that are available\r |
30c00a1c | 509 | to every PEIM\r |
510 | @param[in] This Indicates the EFI_PEI_DEVICE_RECOVERY_MODULE_PPI\r | |
511 | instance.\r | |
d1102dba LG |
512 | @param[out] NumberRecoveryCapsules Pointer to a caller-allocated UINTN. On\r |
513 | output, *NumberRecoveryCapsules contains\r | |
514 | the number of recovery capsule images\r | |
515 | available for retrieval from this PEIM\r | |
30c00a1c | 516 | instance.\r |
517 | \r | |
518 | @retval EFI_SUCCESS One or more capsules were discovered.\r | |
519 | @retval EFI_DEVICE_ERROR A device error occurred.\r | |
520 | @retval EFI_NOT_FOUND A recovery DXE capsule cannot be found.\r | |
521 | \r | |
522 | **/\r | |
523 | EFI_STATUS\r | |
524 | EFIAPI\r | |
525 | GetNumberRecoveryCapsules (\r | |
526 | IN EFI_PEI_SERVICES **PeiServices,\r | |
527 | IN EFI_PEI_DEVICE_RECOVERY_MODULE_PPI *This,\r | |
528 | OUT UINTN *NumberRecoveryCapsules\r | |
529 | )\r | |
530 | {\r | |
531 | PEI_CD_EXPRESS_PRIVATE_DATA *PrivateData;\r | |
532 | \r | |
533 | PrivateData = PEI_CD_EXPRESS_PRIVATE_DATA_FROM_THIS (This);\r | |
f9964c80 FT |
534 | UpdateBlocksAndVolumes (PrivateData, TRUE);\r |
535 | UpdateBlocksAndVolumes (PrivateData, FALSE);\r | |
30c00a1c | 536 | *NumberRecoveryCapsules = PrivateData->CapsuleCount;\r |
537 | \r | |
538 | if (*NumberRecoveryCapsules == 0) {\r | |
539 | return EFI_NOT_FOUND;\r | |
540 | }\r | |
541 | \r | |
542 | return EFI_SUCCESS;\r | |
543 | }\r | |
544 | \r | |
545 | /**\r | |
546 | Returns the size and type of the requested recovery capsule.\r | |
547 | \r | |
548 | This function gets the size and type of the capsule specified by CapsuleInstance.\r | |
549 | \r | |
550 | @param[in] PeiServices General-purpose services that are available to every PEIM\r | |
d1102dba | 551 | @param[in] This Indicates the EFI_PEI_DEVICE_RECOVERY_MODULE_PPI\r |
30c00a1c | 552 | instance.\r |
d1102dba LG |
553 | @param[in] CapsuleInstance Specifies for which capsule instance to retrieve\r |
554 | the information. This parameter must be between\r | |
555 | one and the value returned by GetNumberRecoveryCapsules()\r | |
30c00a1c | 556 | in NumberRecoveryCapsules.\r |
d1102dba LG |
557 | @param[out] Size A pointer to a caller-allocated UINTN in which\r |
558 | the size of the requested recovery module is\r | |
30c00a1c | 559 | returned.\r |
d1102dba LG |
560 | @param[out] CapsuleType A pointer to a caller-allocated EFI_GUID in which\r |
561 | the type of the requested recovery capsule is\r | |
562 | returned. The semantic meaning of the value\r | |
30c00a1c | 563 | returned is defined by the implementation.\r |
564 | \r | |
565 | @retval EFI_SUCCESS One or more capsules were discovered.\r | |
566 | @retval EFI_DEVICE_ERROR A device error occurred.\r | |
567 | @retval EFI_NOT_FOUND A recovery DXE capsule cannot be found.\r | |
568 | \r | |
569 | **/\r | |
570 | EFI_STATUS\r | |
571 | EFIAPI\r | |
572 | GetRecoveryCapsuleInfo (\r | |
573 | IN EFI_PEI_SERVICES **PeiServices,\r | |
574 | IN EFI_PEI_DEVICE_RECOVERY_MODULE_PPI *This,\r | |
575 | IN UINTN CapsuleInstance,\r | |
576 | OUT UINTN *Size,\r | |
577 | OUT EFI_GUID *CapsuleType\r | |
578 | )\r | |
579 | {\r | |
580 | PEI_CD_EXPRESS_PRIVATE_DATA *PrivateData;\r | |
581 | UINTN NumberRecoveryCapsules;\r | |
582 | EFI_STATUS Status;\r | |
583 | \r | |
584 | Status = GetNumberRecoveryCapsules (PeiServices, This, &NumberRecoveryCapsules);\r | |
585 | \r | |
586 | if (EFI_ERROR (Status)) {\r | |
587 | return Status;\r | |
588 | }\r | |
589 | \r | |
30c00a1c | 590 | if ((CapsuleInstance == 0) || (CapsuleInstance > NumberRecoveryCapsules)) {\r |
591 | return EFI_NOT_FOUND;\r | |
592 | }\r | |
593 | \r | |
594 | PrivateData = PEI_CD_EXPRESS_PRIVATE_DATA_FROM_THIS (This);\r | |
595 | \r | |
596 | *Size = PrivateData->CapsuleData[CapsuleInstance - 1].CapsuleSize;\r | |
597 | CopyMem (\r | |
598 | CapsuleType,\r | |
599 | &gRecoveryOnDataCdGuid,\r | |
600 | sizeof (EFI_GUID)\r | |
601 | );\r | |
602 | \r | |
603 | return EFI_SUCCESS;\r | |
604 | }\r | |
605 | \r | |
606 | /**\r | |
607 | Loads a DXE capsule from some media into memory.\r | |
608 | \r | |
609 | This function, by whatever mechanism, retrieves a DXE capsule from some device\r | |
610 | and loads it into memory. Note that the published interface is device neutral.\r | |
611 | \r | |
d1102dba | 612 | @param[in] PeiServices General-purpose services that are available\r |
30c00a1c | 613 | to every PEIM\r |
614 | @param[in] This Indicates the EFI_PEI_DEVICE_RECOVERY_MODULE_PPI\r | |
615 | instance.\r | |
616 | @param[in] CapsuleInstance Specifies which capsule instance to retrieve.\r | |
d1102dba | 617 | @param[out] Buffer Specifies a caller-allocated buffer in which\r |
30c00a1c | 618 | the requested recovery capsule will be returned.\r |
619 | \r | |
620 | @retval EFI_SUCCESS The capsule was loaded correctly.\r | |
621 | @retval EFI_DEVICE_ERROR A device error occurred.\r | |
622 | @retval EFI_NOT_FOUND A requested recovery DXE capsule cannot be found.\r | |
623 | \r | |
624 | **/\r | |
625 | EFI_STATUS\r | |
626 | EFIAPI\r | |
627 | LoadRecoveryCapsule (\r | |
628 | IN EFI_PEI_SERVICES **PeiServices,\r | |
629 | IN EFI_PEI_DEVICE_RECOVERY_MODULE_PPI *This,\r | |
630 | IN UINTN CapsuleInstance,\r | |
631 | OUT VOID *Buffer\r | |
632 | )\r | |
633 | {\r | |
634 | EFI_STATUS Status;\r | |
635 | PEI_CD_EXPRESS_PRIVATE_DATA *PrivateData;\r | |
636 | EFI_PEI_RECOVERY_BLOCK_IO_PPI *BlockIoPpi;\r | |
f9964c80 | 637 | EFI_PEI_RECOVERY_BLOCK_IO2_PPI *BlockIo2Ppi;\r |
30c00a1c | 638 | UINTN NumberRecoveryCapsules;\r |
639 | \r | |
640 | Status = GetNumberRecoveryCapsules (PeiServices, This, &NumberRecoveryCapsules);\r | |
641 | \r | |
642 | if (EFI_ERROR (Status)) {\r | |
643 | return Status;\r | |
644 | }\r | |
645 | \r | |
30c00a1c | 646 | if ((CapsuleInstance == 0) || (CapsuleInstance > NumberRecoveryCapsules)) {\r |
647 | return EFI_NOT_FOUND;\r | |
648 | }\r | |
649 | \r | |
650 | PrivateData = PEI_CD_EXPRESS_PRIVATE_DATA_FROM_THIS (This);\r | |
651 | BlockIoPpi = PrivateData->CapsuleData[CapsuleInstance - 1].BlockIo;\r | |
f9964c80 | 652 | BlockIo2Ppi = PrivateData->CapsuleData[CapsuleInstance - 1].BlockIo2;\r |
30c00a1c | 653 | \r |
f9964c80 FT |
654 | if (BlockIo2Ppi != NULL) {\r |
655 | Status = BlockIo2Ppi->ReadBlocks (\r | |
656 | PeiServices,\r | |
657 | BlockIo2Ppi,\r | |
658 | PrivateData->CapsuleData[CapsuleInstance - 1].IndexBlock,\r | |
659 | PrivateData->CapsuleData[CapsuleInstance - 1].CapsuleStartLBA,\r | |
9381ad87 | 660 | PrivateData->CapsuleData[CapsuleInstance - 1].CapsuleBlockAlignedSize,\r |
f9964c80 FT |
661 | Buffer\r |
662 | );\r | |
663 | } else {\r | |
664 | Status = BlockIoPpi->ReadBlocks (\r | |
665 | PeiServices,\r | |
666 | BlockIoPpi,\r | |
667 | PrivateData->CapsuleData[CapsuleInstance - 1].IndexBlock,\r | |
668 | PrivateData->CapsuleData[CapsuleInstance - 1].CapsuleStartLBA,\r | |
9381ad87 | 669 | PrivateData->CapsuleData[CapsuleInstance - 1].CapsuleBlockAlignedSize,\r |
f9964c80 FT |
670 | Buffer\r |
671 | );\r | |
672 | }\r | |
30c00a1c | 673 | return Status;\r |
674 | }\r | |
675 | \r | |
676 | /**\r | |
677 | This function compares two ASCII strings in case sensitive/insensitive way.\r | |
678 | \r | |
679 | @param Source1 The first string.\r | |
680 | @param Source2 The second string.\r | |
681 | @param Size The maximum comparison length.\r | |
682 | @param CaseSensitive Flag to indicate whether the comparison is case sensitive.\r | |
683 | \r | |
684 | @retval TRUE The two strings are the same.\r | |
685 | @retval FALSE The two string are not the same.\r | |
686 | \r | |
687 | **/\r | |
688 | BOOLEAN\r | |
689 | StringCmp (\r | |
690 | IN UINT8 *Source1,\r | |
691 | IN UINT8 *Source2,\r | |
692 | IN UINTN Size,\r | |
693 | IN BOOLEAN CaseSensitive\r | |
694 | )\r | |
695 | {\r | |
696 | UINTN Index;\r | |
697 | UINT8 Dif;\r | |
698 | \r | |
699 | for (Index = 0; Index < Size; Index++) {\r | |
700 | if (Source1[Index] == Source2[Index]) {\r | |
701 | continue;\r | |
702 | }\r | |
703 | \r | |
704 | if (!CaseSensitive) {\r | |
705 | Dif = (UINT8) ((Source1[Index] > Source2[Index]) ? (Source1[Index] - Source2[Index]) : (Source2[Index] - Source1[Index]));\r | |
706 | if (Dif == ('a' - 'A')) {\r | |
707 | continue;\r | |
708 | }\r | |
709 | }\r | |
710 | \r | |
711 | return FALSE;\r | |
712 | }\r | |
713 | \r | |
714 | return TRUE;\r | |
715 | }\r |