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6cc9ca32 | 1 | /** @file\r |
d7dec593 | 2 | \r |
6cc9ca32 LG |
3 | Internal functions to operate Working Block Space.\r |
4 | \r | |
5 | Copyright (c) 2006 - 2008, Intel Corporation \r | |
d7dec593 | 6 | All rights reserved. This program and the accompanying materials \r |
7 | are licensed and made available under the terms and conditions of the BSD License \r | |
8 | which accompanies this 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 | |
6cc9ca32 | 14 | **/\r |
d7dec593 | 15 | \r |
16 | \r | |
e87a334f | 17 | #include "FtwLite.h"\r |
d7dec593 | 18 | \r |
6aab8214 | 19 | /**\r |
20 | Check to see if it is a valid work space.\r | |
d7dec593 | 21 | \r |
d7dec593 | 22 | \r |
6aab8214 | 23 | @param WorkingHeader Pointer of working block header\r |
d7dec593 | 24 | \r |
6aab8214 | 25 | @retval EFI_SUCCESS The function completed successfully\r |
26 | @retval EFI_ABORTED The function could not complete successfully.\r | |
d7dec593 | 27 | \r |
6aab8214 | 28 | **/\r |
29 | BOOLEAN\r | |
30 | IsValidWorkSpace (\r | |
31 | IN EFI_FAULT_TOLERANT_WORKING_BLOCK_HEADER *WorkingHeader\r | |
32 | )\r | |
d7dec593 | 33 | {\r |
34 | EFI_STATUS Status;\r | |
35 | EFI_FAULT_TOLERANT_WORKING_BLOCK_HEADER WorkingBlockHeader;\r | |
36 | \r | |
37 | ASSERT (WorkingHeader != NULL);\r | |
38 | if (WorkingHeader->WorkingBlockValid != FTW_VALID_STATE) {\r | |
276a49b6 | 39 | DEBUG ((EFI_D_ERROR, "FtwLite: Work block header valid bit check error\n"));\r |
d7dec593 | 40 | return FALSE;\r |
41 | }\r | |
42 | //\r | |
43 | // Check signature with gEfiSystemNvDataFvGuid\r | |
44 | //\r | |
45 | if (!CompareGuid (&gEfiSystemNvDataFvGuid, &WorkingHeader->Signature)) {\r | |
276a49b6 | 46 | DEBUG ((EFI_D_ERROR, "FtwLite: Work block header signature check error\n"));\r |
d7dec593 | 47 | return FALSE;\r |
48 | }\r | |
49 | //\r | |
50 | // Check the CRC of header\r | |
51 | //\r | |
52 | CopyMem (\r | |
53 | &WorkingBlockHeader,\r | |
54 | WorkingHeader,\r | |
55 | sizeof (EFI_FAULT_TOLERANT_WORKING_BLOCK_HEADER)\r | |
56 | );\r | |
57 | \r | |
58 | //\r | |
59 | // Filter out the Crc and State fields\r | |
60 | //\r | |
61 | SetMem (\r | |
62 | &WorkingBlockHeader.Crc,\r | |
63 | sizeof (UINT32),\r | |
64 | FTW_ERASED_BYTE\r | |
65 | );\r | |
66 | WorkingBlockHeader.WorkingBlockValid = FTW_ERASE_POLARITY;\r | |
67 | WorkingBlockHeader.WorkingBlockInvalid = FTW_ERASE_POLARITY;\r | |
68 | \r | |
69 | //\r | |
70 | // Calculate the Crc of woking block header\r | |
71 | //\r | |
72 | Status = gBS->CalculateCrc32 (\r | |
73 | (UINT8 *) &WorkingBlockHeader,\r | |
74 | sizeof (EFI_FAULT_TOLERANT_WORKING_BLOCK_HEADER),\r | |
75 | &WorkingBlockHeader.Crc\r | |
76 | );\r | |
77 | ASSERT_EFI_ERROR (Status);\r | |
78 | \r | |
79 | if (WorkingBlockHeader.Crc != WorkingHeader->Crc) {\r | |
276a49b6 | 80 | DEBUG ((EFI_D_ERROR, "FtwLite: Work block header CRC check error\n"));\r |
d7dec593 | 81 | return FALSE;\r |
82 | }\r | |
83 | \r | |
84 | return TRUE;\r | |
85 | }\r | |
86 | \r | |
6aab8214 | 87 | /**\r |
88 | Initialize a work space when there is no work space.\r | |
d7dec593 | 89 | \r |
d7dec593 | 90 | \r |
6aab8214 | 91 | @param WorkingHeader Pointer of working block header\r |
d7dec593 | 92 | \r |
6aab8214 | 93 | @retval EFI_SUCCESS The function completed successfully\r |
94 | @retval EFI_ABORTED The function could not complete successfully.\r | |
d7dec593 | 95 | \r |
6aab8214 | 96 | **/\r |
97 | EFI_STATUS\r | |
98 | InitWorkSpaceHeader (\r | |
99 | IN EFI_FAULT_TOLERANT_WORKING_BLOCK_HEADER *WorkingHeader\r | |
100 | )\r | |
d7dec593 | 101 | {\r |
102 | EFI_STATUS Status;\r | |
103 | \r | |
104 | ASSERT (WorkingHeader != NULL);\r | |
105 | \r | |
106 | //\r | |
107 | // Here using gEfiSystemNvDataFvGuid as the signature.\r | |
108 | //\r | |
109 | CopyMem (\r | |
110 | &WorkingHeader->Signature,\r | |
111 | &gEfiSystemNvDataFvGuid,\r | |
112 | sizeof (EFI_GUID)\r | |
113 | );\r | |
5944a83b | 114 | WorkingHeader->WriteQueueSize = (UINT64) (PcdGet32 (PcdFlashNvStorageFtwWorkingSize) - sizeof (EFI_FAULT_TOLERANT_WORKING_BLOCK_HEADER));\r |
d7dec593 | 115 | \r |
116 | //\r | |
117 | // Crc is calculated with all the fields except Crc and STATE\r | |
118 | //\r | |
119 | WorkingHeader->WorkingBlockValid = FTW_ERASE_POLARITY;\r | |
120 | WorkingHeader->WorkingBlockInvalid = FTW_ERASE_POLARITY;\r | |
121 | SetMem (&WorkingHeader->Crc, sizeof (UINT32), FTW_ERASED_BYTE);\r | |
122 | \r | |
123 | //\r | |
124 | // Calculate the CRC value\r | |
125 | //\r | |
126 | Status = gBS->CalculateCrc32 (\r | |
127 | (UINT8 *) WorkingHeader,\r | |
128 | sizeof (EFI_FAULT_TOLERANT_WORKING_BLOCK_HEADER),\r | |
129 | &WorkingHeader->Crc\r | |
130 | );\r | |
131 | ASSERT_EFI_ERROR (Status);\r | |
132 | \r | |
133 | //\r | |
134 | // Restore the WorkingBlockValid flag to VALID state\r | |
135 | //\r | |
136 | WorkingHeader->WorkingBlockValid = FTW_VALID_STATE;\r | |
137 | WorkingHeader->WorkingBlockInvalid = FTW_INVALID_STATE;\r | |
138 | \r | |
139 | return EFI_SUCCESS;\r | |
140 | }\r | |
141 | \r | |
6aab8214 | 142 | /**\r |
143 | Update a bit of state on a block device. The location of the bit is\r | |
144 | calculated by the (Lba, Offset, bit). Here bit is determined by the\r | |
145 | the name of a certain bit.\r | |
146 | \r | |
147 | \r | |
148 | @param FvBlock FVB Protocol interface to access SrcBlock and DestBlock\r | |
149 | @param Lba Lba of a block\r | |
150 | @param Offset Offset on the Lba\r | |
151 | @param NewBit New value that will override the old value if it can be change\r | |
152 | \r | |
153 | @retval EFI_SUCCESS A state bit has been updated successfully\r | |
154 | @retval Others Access block device error.\r | |
155 | Notes:\r | |
156 | Assume all bits of State are inside the same BYTE.\r | |
157 | @retval EFI_ABORTED Read block fail\r | |
158 | \r | |
159 | **/\r | |
d7dec593 | 160 | EFI_STATUS\r |
161 | FtwUpdateFvState (\r | |
162 | IN EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *FvBlock,\r | |
163 | IN EFI_LBA Lba,\r | |
164 | IN UINTN Offset,\r | |
165 | IN UINT8 NewBit\r | |
166 | )\r | |
d7dec593 | 167 | {\r |
168 | EFI_STATUS Status;\r | |
169 | UINT8 State;\r | |
170 | UINTN Length;\r | |
171 | \r | |
172 | //\r | |
173 | // Read state from device, assume State is only one byte.\r | |
174 | //\r | |
175 | Length = sizeof (UINT8);\r | |
176 | Status = FvBlock->Read (FvBlock, Lba, Offset, &Length, &State);\r | |
177 | if (EFI_ERROR (Status)) {\r | |
178 | return EFI_ABORTED;\r | |
179 | }\r | |
180 | \r | |
181 | State ^= FTW_POLARITY_REVERT;\r | |
182 | State = (UINT8) (State | NewBit);\r | |
183 | State ^= FTW_POLARITY_REVERT;\r | |
184 | \r | |
185 | //\r | |
186 | // Write state back to device\r | |
187 | //\r | |
188 | Length = sizeof (UINT8);\r | |
189 | Status = FvBlock->Write (FvBlock, Lba, Offset, &Length, &State);\r | |
190 | \r | |
191 | return Status;\r | |
192 | }\r | |
193 | \r | |
6aab8214 | 194 | /**\r |
195 | Get the last Write record pointer.\r | |
196 | The last record is the record whose 'complete' state hasn't been set.\r | |
197 | After all, this header may be a EMPTY header entry for next Allocate.\r | |
198 | \r | |
199 | \r | |
200 | @param FtwLiteDevice Private data of this driver\r | |
201 | @param FtwLastRecord Pointer to retrieve the last write record\r | |
202 | \r | |
203 | @retval EFI_SUCCESS Get the last write record successfully\r | |
204 | @retval EFI_ABORTED The FTW work space is damaged\r | |
205 | \r | |
206 | **/\r | |
d7dec593 | 207 | EFI_STATUS\r |
208 | FtwGetLastRecord (\r | |
209 | IN EFI_FTW_LITE_DEVICE *FtwLiteDevice,\r | |
210 | OUT EFI_FTW_LITE_RECORD **FtwLastRecord\r | |
211 | )\r | |
d7dec593 | 212 | {\r |
213 | EFI_FTW_LITE_RECORD *Record;\r | |
214 | \r | |
e11ae3a5 | 215 | *FtwLastRecord = NULL;\r |
d7dec593 | 216 | Record = (EFI_FTW_LITE_RECORD *) (FtwLiteDevice->FtwWorkSpaceHeader + 1);\r |
217 | while (Record->WriteCompleted == FTW_VALID_STATE) {\r | |
218 | //\r | |
219 | // If Offset exceed the FTW work space boudary, return error.\r | |
220 | //\r | |
221 | if ((UINTN) ((UINT8 *) Record - FtwLiteDevice->FtwWorkSpace) > FtwLiteDevice->FtwWorkSpaceSize) {\r | |
222 | return EFI_ABORTED;\r | |
223 | }\r | |
224 | \r | |
225 | Record++;\r | |
226 | }\r | |
227 | //\r | |
228 | // Last write record is found\r | |
229 | //\r | |
230 | *FtwLastRecord = Record;\r | |
231 | return EFI_SUCCESS;\r | |
232 | }\r | |
233 | \r | |
6aab8214 | 234 | /**\r |
235 | Read from working block to refresh the work space in memory.\r | |
d7dec593 | 236 | \r |
d7dec593 | 237 | \r |
6aab8214 | 238 | @param FtwLiteDevice Point to private data of FTW driver\r |
d7dec593 | 239 | \r |
6aab8214 | 240 | @retval EFI_SUCCESS The function completed successfully\r |
241 | @retval EFI_ABORTED The function could not complete successfully.\r | |
d7dec593 | 242 | \r |
6aab8214 | 243 | **/\r |
244 | EFI_STATUS\r | |
245 | WorkSpaceRefresh (\r | |
246 | IN EFI_FTW_LITE_DEVICE *FtwLiteDevice\r | |
247 | )\r | |
d7dec593 | 248 | {\r |
249 | EFI_STATUS Status;\r | |
250 | UINTN Length;\r | |
251 | UINTN Offset;\r | |
252 | EFI_FTW_LITE_RECORD *Record;\r | |
253 | \r | |
254 | //\r | |
255 | // Initialize WorkSpace as FTW_ERASED_BYTE\r | |
256 | //\r | |
257 | SetMem (\r | |
258 | FtwLiteDevice->FtwWorkSpace,\r | |
259 | FtwLiteDevice->FtwWorkSpaceSize,\r | |
260 | FTW_ERASED_BYTE\r | |
261 | );\r | |
262 | \r | |
263 | //\r | |
264 | // Read from working block\r | |
265 | //\r | |
266 | Length = FtwLiteDevice->FtwWorkSpaceSize;\r | |
267 | Status = FtwLiteDevice->FtwFvBlock->Read (\r | |
268 | FtwLiteDevice->FtwFvBlock,\r | |
269 | FtwLiteDevice->FtwWorkSpaceLba,\r | |
270 | FtwLiteDevice->FtwWorkSpaceBase,\r | |
271 | &Length,\r | |
272 | FtwLiteDevice->FtwWorkSpace\r | |
273 | );\r | |
274 | if (EFI_ERROR (Status)) {\r | |
275 | return EFI_ABORTED;\r | |
276 | }\r | |
277 | //\r | |
278 | // Refresh the FtwLastRecord\r | |
279 | //\r | |
280 | Status = FtwGetLastRecord (FtwLiteDevice, &FtwLiteDevice->FtwLastRecord);\r | |
281 | \r | |
282 | Record = FtwLiteDevice->FtwLastRecord;\r | |
283 | Offset = (UINTN) (UINT8 *) Record - (UINTN) FtwLiteDevice->FtwWorkSpace;\r | |
284 | \r | |
285 | //\r | |
da770255 | 286 | // If work space has error or Record is out of the workspace limit, THEN\r |
d7dec593 | 287 | // call reclaim.\r |
288 | //\r | |
5944a83b | 289 | if (EFI_ERROR (Status) || (Offset + FTW_LITE_RECORD_SIZE >= FtwLiteDevice->FtwWorkSpaceSize)) {\r |
d7dec593 | 290 | //\r |
291 | // reclaim work space in working block.\r | |
292 | //\r | |
e11ae3a5 | 293 | Status = FtwReclaimWorkSpace (FtwLiteDevice, TRUE);\r |
d7dec593 | 294 | if (EFI_ERROR (Status)) {\r |
276a49b6 | 295 | DEBUG ((EFI_D_ERROR, "FtwLite: Reclaim workspace - %r\n", Status));\r |
d7dec593 | 296 | return EFI_ABORTED;\r |
297 | }\r | |
298 | }\r | |
299 | \r | |
300 | return EFI_SUCCESS;\r | |
301 | }\r | |
302 | \r | |
6aab8214 | 303 | /**\r |
304 | Reclaim the work space on the working block.\r | |
d7dec593 | 305 | \r |
d7dec593 | 306 | \r |
9920ae74 | 307 | @param FtwLiteDevice Point to private data of FTW driver\r |
308 | @param PreserveRecord Whether get the last record or not\r | |
d7dec593 | 309 | \r |
9920ae74 | 310 | @retval EFI_SUCCESS The function completed successfully\r |
311 | @retval EFI_OUT_OF_RESOURCES Allocate memory error\r | |
312 | @retval EFI_ABORTED The function could not complete successfully\r | |
d7dec593 | 313 | \r |
6aab8214 | 314 | **/\r |
315 | EFI_STATUS\r | |
316 | FtwReclaimWorkSpace (\r | |
e11ae3a5 LG |
317 | IN EFI_FTW_LITE_DEVICE *FtwLiteDevice,\r |
318 | IN BOOLEAN PreserveRecord\r | |
6aab8214 | 319 | )\r |
d7dec593 | 320 | {\r |
321 | EFI_STATUS Status;\r | |
322 | UINT8 *TempBuffer;\r | |
323 | UINTN TempBufferSize;\r | |
324 | UINT8 *Ptr;\r | |
325 | UINTN Length;\r | |
326 | UINTN Index;\r | |
327 | UINTN SpareBufferSize;\r | |
328 | UINT8 *SpareBuffer;\r | |
329 | EFI_FAULT_TOLERANT_WORKING_BLOCK_HEADER *WorkingBlockHeader;\r | |
e11ae3a5 | 330 | EFI_FTW_LITE_RECORD *Record;\r |
d7dec593 | 331 | \r |
276a49b6 | 332 | DEBUG ((EFI_D_ERROR, "FtwLite: start to reclaim work space\n"));\r |
d7dec593 | 333 | \r |
334 | //\r | |
335 | // Read all original data from working block to a memory buffer\r | |
336 | //\r | |
337 | TempBufferSize = FtwLiteDevice->SpareAreaLength;\r | |
338 | TempBuffer = AllocateZeroPool (TempBufferSize);\r | |
e11ae3a5 | 339 | if (TempBuffer == NULL) {\r |
d7dec593 | 340 | return EFI_OUT_OF_RESOURCES;\r |
341 | }\r | |
342 | \r | |
343 | Ptr = TempBuffer;\r | |
344 | for (Index = 0; Index < FtwLiteDevice->NumberOfSpareBlock; Index += 1) {\r | |
276a49b6 | 345 | Length = FtwLiteDevice->BlockSize;\r |
d7dec593 | 346 | Status = FtwLiteDevice->FtwFvBlock->Read (\r |
347 | FtwLiteDevice->FtwFvBlock,\r | |
348 | FtwLiteDevice->FtwWorkBlockLba + Index,\r | |
349 | 0,\r | |
350 | &Length,\r | |
351 | Ptr\r | |
352 | );\r | |
353 | if (EFI_ERROR (Status)) {\r | |
354 | FreePool (TempBuffer);\r | |
355 | return EFI_ABORTED;\r | |
356 | }\r | |
357 | \r | |
358 | Ptr += Length;\r | |
359 | }\r | |
360 | //\r | |
361 | // Clean up the workspace, remove all the completed records.\r | |
362 | //\r | |
363 | Ptr = TempBuffer +\r | |
364 | ((UINTN) (FtwLiteDevice->FtwWorkSpaceLba - FtwLiteDevice->FtwWorkBlockLba)) *\r | |
276a49b6 | 365 | FtwLiteDevice->BlockSize + FtwLiteDevice->FtwWorkSpaceBase;\r |
d7dec593 | 366 | \r |
e11ae3a5 LG |
367 | //\r |
368 | // Clear the content of buffer that will save the new work space data\r | |
369 | //\r | |
370 | SetMem (Ptr, FtwLiteDevice->FtwWorkSpaceSize, FTW_ERASED_BYTE);\r | |
371 | \r | |
372 | //\r | |
373 | // Copy EFI_FAULT_TOLERANT_WORKING_BLOCK_HEADER to buffer\r | |
374 | //\r | |
375 | CopyMem (\r | |
376 | Ptr,\r | |
377 | FtwLiteDevice->FtwWorkSpaceHeader,\r | |
378 | sizeof (EFI_FAULT_TOLERANT_WORKING_BLOCK_HEADER)\r | |
379 | );\r | |
380 | if (PreserveRecord) {\r | |
381 | //\r | |
382 | // Get the last record\r | |
383 | //\r | |
384 | Status = FtwGetLastRecord (FtwLiteDevice, &FtwLiteDevice->FtwLastRecord);\r | |
385 | Record = FtwLiteDevice->FtwLastRecord;\r | |
386 | if (!EFI_ERROR (Status) &&\r | |
387 | Record != NULL &&\r | |
388 | Record->WriteAllocated == FTW_VALID_STATE &&\r | |
389 | Record->WriteCompleted != FTW_VALID_STATE) {\r | |
390 | CopyMem (\r | |
391 | (UINT8 *) Ptr + sizeof (EFI_FAULT_TOLERANT_WORKING_BLOCK_HEADER),\r | |
392 | Record,\r | |
5944a83b | 393 | FTW_LITE_RECORD_SIZE\r |
e11ae3a5 LG |
394 | );\r |
395 | }\r | |
396 | }\r | |
d7dec593 | 397 | \r |
398 | CopyMem (\r | |
399 | FtwLiteDevice->FtwWorkSpace,\r | |
400 | Ptr,\r | |
401 | FtwLiteDevice->FtwWorkSpaceSize\r | |
402 | );\r | |
403 | \r | |
404 | Status = FtwGetLastRecord (FtwLiteDevice, &FtwLiteDevice->FtwLastRecord);\r | |
405 | \r | |
406 | //\r | |
407 | // Set the WorkingBlockValid and WorkingBlockInvalid as INVALID\r | |
408 | //\r | |
409 | WorkingBlockHeader = (EFI_FAULT_TOLERANT_WORKING_BLOCK_HEADER *) Ptr;\r | |
410 | WorkingBlockHeader->WorkingBlockValid = FTW_INVALID_STATE;\r | |
411 | WorkingBlockHeader->WorkingBlockInvalid = FTW_INVALID_STATE;\r | |
412 | \r | |
413 | //\r | |
414 | // Try to keep the content of spare block\r | |
415 | // Save spare block into a spare backup memory buffer (Sparebuffer)\r | |
416 | //\r | |
417 | SpareBufferSize = FtwLiteDevice->SpareAreaLength;\r | |
418 | SpareBuffer = AllocatePool (SpareBufferSize);\r | |
419 | if (SpareBuffer == NULL) {\r | |
420 | FreePool (TempBuffer);\r | |
421 | return EFI_OUT_OF_RESOURCES;\r | |
422 | }\r | |
423 | \r | |
424 | Ptr = SpareBuffer;\r | |
425 | for (Index = 0; Index < FtwLiteDevice->NumberOfSpareBlock; Index += 1) {\r | |
276a49b6 | 426 | Length = FtwLiteDevice->BlockSize;\r |
d7dec593 | 427 | Status = FtwLiteDevice->FtwBackupFvb->Read (\r |
428 | FtwLiteDevice->FtwBackupFvb,\r | |
429 | FtwLiteDevice->FtwSpareLba + Index,\r | |
430 | 0,\r | |
431 | &Length,\r | |
432 | Ptr\r | |
433 | );\r | |
434 | if (EFI_ERROR (Status)) {\r | |
435 | FreePool (TempBuffer);\r | |
436 | FreePool (SpareBuffer);\r | |
437 | return EFI_ABORTED;\r | |
438 | }\r | |
439 | \r | |
440 | Ptr += Length;\r | |
441 | }\r | |
442 | //\r | |
443 | // Write the memory buffer to spare block\r | |
444 | //\r | |
445 | Status = FtwEraseSpareBlock (FtwLiteDevice);\r | |
446 | Ptr = TempBuffer;\r | |
447 | for (Index = 0; Index < FtwLiteDevice->NumberOfSpareBlock; Index += 1) {\r | |
276a49b6 | 448 | Length = FtwLiteDevice->BlockSize;\r |
d7dec593 | 449 | Status = FtwLiteDevice->FtwBackupFvb->Write (\r |
450 | FtwLiteDevice->FtwBackupFvb,\r | |
451 | FtwLiteDevice->FtwSpareLba + Index,\r | |
452 | 0,\r | |
453 | &Length,\r | |
454 | Ptr\r | |
455 | );\r | |
456 | if (EFI_ERROR (Status)) {\r | |
457 | FreePool (TempBuffer);\r | |
458 | FreePool (SpareBuffer);\r | |
459 | return EFI_ABORTED;\r | |
460 | }\r | |
461 | \r | |
462 | Ptr += Length;\r | |
463 | }\r | |
464 | //\r | |
465 | // Free TempBuffer\r | |
466 | //\r | |
467 | FreePool (TempBuffer);\r | |
468 | \r | |
469 | //\r | |
470 | // Write the spare block to working block\r | |
471 | //\r | |
472 | Status = FlushSpareBlockToWorkingBlock (FtwLiteDevice);\r | |
473 | if (EFI_ERROR (Status)) {\r | |
474 | FreePool (SpareBuffer);\r | |
475 | return Status;\r | |
476 | }\r | |
477 | //\r | |
478 | // Restore spare backup buffer into spare block , if no failure happened during FtwWrite.\r | |
479 | //\r | |
480 | Status = FtwEraseSpareBlock (FtwLiteDevice);\r | |
481 | Ptr = SpareBuffer;\r | |
482 | for (Index = 0; Index < FtwLiteDevice->NumberOfSpareBlock; Index += 1) {\r | |
276a49b6 | 483 | Length = FtwLiteDevice->BlockSize;\r |
d7dec593 | 484 | Status = FtwLiteDevice->FtwBackupFvb->Write (\r |
485 | FtwLiteDevice->FtwBackupFvb,\r | |
486 | FtwLiteDevice->FtwSpareLba + Index,\r | |
487 | 0,\r | |
488 | &Length,\r | |
489 | Ptr\r | |
490 | );\r | |
491 | if (EFI_ERROR (Status)) {\r | |
492 | FreePool (SpareBuffer);\r | |
493 | return EFI_ABORTED;\r | |
494 | }\r | |
495 | \r | |
496 | Ptr += Length;\r | |
497 | }\r | |
498 | \r | |
499 | FreePool (SpareBuffer);\r | |
500 | \r | |
276a49b6 | 501 | DEBUG ((EFI_D_ERROR, "FtwLite: reclaim work space success\n"));\r |
d7dec593 | 502 | \r |
503 | return EFI_SUCCESS;\r | |
504 | }\r |