878ddf1f |
1 | /*++\r |
2 | \r |
3 | Copyright (c) 2006, Intel Corporation \r |
4 | All rights reserved. This program and the accompanying materials \r |
5 | are licensed and made available under the terms and conditions of the BSD License \r |
6 | which accompanies this distribution. The full text of the license may be found at \r |
7 | http://opensource.org/licenses/bsd-license.php \r |
8 | \r |
9 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r |
10 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r |
11 | \r |
12 | Module Name:\r |
13 | \r |
14 | ScsiDisk.c\r |
15 | \r |
16 | Abstract:\r |
17 | \r |
18 | --*/\r |
19 | \r |
f0ec738d |
20 | #include "ScsiDisk.h"\r |
878ddf1f |
21 | \r |
22 | EFI_STATUS\r |
23 | EFIAPI\r |
24 | ScsiDiskDriverBindingSupported (\r |
25 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r |
26 | IN EFI_HANDLE Controller,\r |
27 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r |
28 | );\r |
29 | \r |
30 | EFI_STATUS\r |
31 | EFIAPI\r |
32 | ScsiDiskDriverBindingStart (\r |
33 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r |
34 | IN EFI_HANDLE Controller,\r |
35 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r |
36 | );\r |
37 | \r |
38 | EFI_STATUS\r |
39 | EFIAPI\r |
40 | ScsiDiskDriverBindingStop (\r |
41 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r |
42 | IN EFI_HANDLE Controller,\r |
43 | IN UINTN NumberOfChildren,\r |
44 | IN EFI_HANDLE *ChildHandleBuffer\r |
45 | );\r |
46 | \r |
47 | EFI_DRIVER_BINDING_PROTOCOL gScsiDiskDriverBinding = {\r |
48 | ScsiDiskDriverBindingSupported,\r |
49 | ScsiDiskDriverBindingStart,\r |
50 | ScsiDiskDriverBindingStop,\r |
51 | 0x10,\r |
52 | NULL,\r |
53 | NULL\r |
54 | };\r |
55 | \r |
56 | EFI_STATUS\r |
57 | EFIAPI\r |
58 | ScsiDiskDriverBindingSupported (\r |
59 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r |
60 | IN EFI_HANDLE Controller,\r |
61 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r |
62 | )\r |
63 | /*++\r |
64 | \r |
65 | Routine Description:\r |
66 | \r |
67 | Arguments:\r |
68 | \r |
69 | Returns:\r |
70 | \r |
71 | --*/\r |
72 | // TODO: This - add argument and description to function comment\r |
73 | // TODO: Controller - add argument and description to function comment\r |
74 | // TODO: RemainingDevicePath - add argument and description to function comment\r |
75 | {\r |
76 | EFI_STATUS Status;\r |
77 | EFI_SCSI_IO_PROTOCOL *ScsiIo;\r |
78 | UINT8 DeviceType;\r |
79 | \r |
80 | Status = gBS->OpenProtocol (\r |
81 | Controller,\r |
82 | &gEfiScsiIoProtocolGuid,\r |
83 | (VOID **) &ScsiIo,\r |
84 | This->DriverBindingHandle,\r |
85 | Controller,\r |
86 | EFI_OPEN_PROTOCOL_BY_DRIVER\r |
87 | );\r |
88 | if (EFI_ERROR (Status)) {\r |
89 | return Status;\r |
90 | }\r |
91 | \r |
92 | Status = ScsiIo->GetDeviceType (ScsiIo, &DeviceType);\r |
93 | if (!EFI_ERROR (Status)) {\r |
94 | if ((DeviceType == EFI_SCSI_TYPE_DISK) || (DeviceType == EFI_SCSI_TYPE_CDROM)) {\r |
95 | Status = EFI_SUCCESS;\r |
96 | } else {\r |
97 | Status = EFI_UNSUPPORTED;\r |
98 | }\r |
99 | }\r |
100 | \r |
101 | gBS->CloseProtocol (\r |
102 | Controller,\r |
103 | &gEfiScsiIoProtocolGuid,\r |
104 | This->DriverBindingHandle,\r |
105 | Controller\r |
106 | );\r |
107 | return Status;\r |
108 | }\r |
109 | \r |
110 | EFI_STATUS\r |
111 | EFIAPI\r |
112 | ScsiDiskDriverBindingStart (\r |
113 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r |
114 | IN EFI_HANDLE Controller,\r |
115 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r |
116 | )\r |
117 | /*++\r |
118 | \r |
119 | Routine Description:\r |
120 | \r |
121 | Arguments:\r |
122 | \r |
123 | Returns:\r |
124 | \r |
125 | --*/\r |
126 | // TODO: This - add argument and description to function comment\r |
127 | // TODO: Controller - add argument and description to function comment\r |
128 | // TODO: RemainingDevicePath - add argument and description to function comment\r |
129 | // TODO: EFI_DEVICE_ERROR - add return value to function comment\r |
130 | // TODO: EFI_SUCCESS - add return value to function comment\r |
131 | {\r |
132 | EFI_STATUS Status;\r |
133 | EFI_SCSI_IO_PROTOCOL *ScsiIo;\r |
134 | SCSI_DISK_DEV *ScsiDiskDevice;\r |
135 | BOOLEAN Temp;\r |
136 | UINT8 Index;\r |
137 | UINT8 MaxRetry;\r |
138 | BOOLEAN NeedRetry;\r |
139 | \r |
140 | Status = gBS->AllocatePool (\r |
141 | EfiBootServicesData,\r |
142 | sizeof (SCSI_DISK_DEV),\r |
143 | (VOID **) &ScsiDiskDevice\r |
144 | );\r |
145 | if (EFI_ERROR (Status)) {\r |
146 | return Status;\r |
147 | }\r |
148 | \r |
149 | ZeroMem (ScsiDiskDevice, sizeof (SCSI_DISK_DEV));\r |
150 | \r |
151 | Status = gBS->OpenProtocol (\r |
152 | Controller,\r |
153 | &gEfiScsiIoProtocolGuid,\r |
154 | (VOID **) &ScsiIo,\r |
155 | This->DriverBindingHandle,\r |
156 | Controller,\r |
157 | EFI_OPEN_PROTOCOL_BY_DRIVER\r |
158 | );\r |
159 | if (EFI_ERROR (Status)) {\r |
160 | gBS->FreePool (ScsiDiskDevice);\r |
161 | return Status;\r |
162 | }\r |
163 | \r |
164 | ScsiDiskDevice->Signature = SCSI_DISK_DEV_SIGNATURE;\r |
165 | ScsiDiskDevice->ScsiIo = ScsiIo;\r |
166 | ScsiDiskDevice->BlkIo.Media = &ScsiDiskDevice->BlkIoMedia;\r |
167 | ScsiDiskDevice->BlkIo.Reset = ScsiDiskReset;\r |
168 | ScsiDiskDevice->BlkIo.ReadBlocks = ScsiDiskReadBlocks;\r |
169 | ScsiDiskDevice->BlkIo.WriteBlocks = ScsiDiskWriteBlocks;\r |
170 | ScsiDiskDevice->BlkIo.FlushBlocks = ScsiDiskFlushBlocks;\r |
171 | ScsiDiskDevice->Handle = Controller;\r |
172 | \r |
173 | ScsiIo->GetDeviceType (ScsiIo, &(ScsiDiskDevice->DeviceType));\r |
174 | switch (ScsiDiskDevice->DeviceType) {\r |
175 | case EFI_SCSI_TYPE_DISK:\r |
176 | ScsiDiskDevice->BlkIo.Media->BlockSize = 0x200;\r |
177 | break;\r |
178 | \r |
179 | case EFI_SCSI_TYPE_CDROM:\r |
180 | ScsiDiskDevice->BlkIo.Media->BlockSize = 0x800;\r |
181 | break;\r |
182 | }\r |
183 | //\r |
184 | // The Sense Data Array's initial size is 6\r |
185 | //\r |
186 | ScsiDiskDevice->SenseDataNumber = 6;\r |
187 | Status = gBS->AllocatePool (\r |
188 | EfiBootServicesData,\r |
189 | sizeof (EFI_SCSI_SENSE_DATA) * ScsiDiskDevice->SenseDataNumber,\r |
190 | (VOID **) &(ScsiDiskDevice->SenseData)\r |
191 | );\r |
192 | if (EFI_ERROR (Status)) {\r |
193 | gBS->CloseProtocol (\r |
194 | Controller,\r |
195 | &gEfiScsiIoProtocolGuid,\r |
196 | This->DriverBindingHandle,\r |
197 | Controller\r |
198 | );\r |
199 | gBS->FreePool (ScsiDiskDevice);\r |
200 | return Status;\r |
201 | }\r |
202 | \r |
203 | ZeroMem (\r |
204 | ScsiDiskDevice->SenseData,\r |
205 | sizeof (EFI_SCSI_SENSE_DATA) * ScsiDiskDevice->SenseDataNumber\r |
206 | );\r |
207 | \r |
208 | //\r |
209 | // Retrive device information\r |
210 | //\r |
211 | MaxRetry = 2;\r |
212 | for (Index = 0; Index < MaxRetry; Index++) {\r |
213 | Status = ScsiDiskInquiryDevice (ScsiDiskDevice, &NeedRetry);\r |
214 | if (!EFI_ERROR (Status)) {\r |
215 | break;\r |
216 | }\r |
217 | \r |
218 | if (!NeedRetry) {\r |
219 | gBS->FreePool (ScsiDiskDevice->SenseData);\r |
220 | gBS->CloseProtocol (\r |
221 | Controller,\r |
222 | &gEfiScsiIoProtocolGuid,\r |
223 | This->DriverBindingHandle,\r |
224 | Controller\r |
225 | );\r |
226 | gBS->FreePool (ScsiDiskDevice);\r |
227 | return EFI_DEVICE_ERROR;\r |
228 | }\r |
229 | }\r |
230 | //\r |
231 | // The second parameter "TRUE" means must\r |
232 | // retrieve media capacity\r |
233 | //\r |
234 | Status = ScsiDiskDetectMedia (ScsiDiskDevice, TRUE, &Temp);\r |
235 | if (!EFI_ERROR (Status)) {\r |
236 | Status = gBS->InstallMultipleProtocolInterfaces (\r |
237 | &Controller,\r |
238 | &gEfiBlockIoProtocolGuid,\r |
239 | &ScsiDiskDevice->BlkIo,\r |
240 | NULL\r |
241 | );\r |
242 | }\r |
243 | \r |
244 | if (EFI_ERROR (Status)) {\r |
245 | gBS->FreePool (ScsiDiskDevice->SenseData);\r |
246 | gBS->CloseProtocol (\r |
247 | Controller,\r |
248 | &gEfiScsiIoProtocolGuid,\r |
249 | This->DriverBindingHandle,\r |
250 | Controller\r |
251 | );\r |
252 | gBS->FreePool (ScsiDiskDevice);\r |
253 | return Status;\r |
254 | }\r |
255 | \r |
256 | ScsiDiskDevice->ControllerNameTable = NULL;\r |
257 | AddUnicodeString (\r |
258 | "eng",\r |
259 | gScsiDiskComponentName.SupportedLanguages,\r |
260 | &ScsiDiskDevice->ControllerNameTable,\r |
261 | (CHAR16 *) L"SCSI Disk Device"\r |
262 | );\r |
263 | \r |
264 | return EFI_SUCCESS;\r |
265 | \r |
266 | }\r |
267 | \r |
268 | EFI_STATUS\r |
269 | EFIAPI\r |
270 | ScsiDiskDriverBindingStop (\r |
271 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r |
272 | IN EFI_HANDLE Controller,\r |
273 | IN UINTN NumberOfChildren,\r |
274 | IN EFI_HANDLE *ChildHandleBuffer\r |
275 | )\r |
276 | /*++\r |
277 | \r |
278 | Routine Description:\r |
279 | \r |
280 | Arguments:\r |
281 | \r |
282 | Returns:\r |
283 | \r |
284 | --*/\r |
285 | // TODO: This - add argument and description to function comment\r |
286 | // TODO: Controller - add argument and description to function comment\r |
287 | // TODO: NumberOfChildren - add argument and description to function comment\r |
288 | // TODO: ChildHandleBuffer - add argument and description to function comment\r |
289 | // TODO: EFI_SUCCESS - add return value to function comment\r |
290 | {\r |
291 | EFI_BLOCK_IO_PROTOCOL *BlkIo;\r |
292 | SCSI_DISK_DEV *ScsiDiskDevice;\r |
293 | EFI_STATUS Status;\r |
294 | \r |
295 | Status = gBS->OpenProtocol (\r |
296 | Controller,\r |
297 | &gEfiBlockIoProtocolGuid,\r |
298 | (VOID **) &BlkIo,\r |
299 | This->DriverBindingHandle,\r |
300 | Controller,\r |
301 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r |
302 | );\r |
303 | if (EFI_ERROR (Status)) {\r |
304 | return Status;\r |
305 | }\r |
306 | \r |
307 | ScsiDiskDevice = SCSI_DISK_DEV_FROM_THIS (BlkIo);\r |
308 | Status = gBS->UninstallProtocolInterface (\r |
309 | Controller,\r |
310 | &gEfiBlockIoProtocolGuid,\r |
311 | &ScsiDiskDevice->BlkIo\r |
312 | );\r |
313 | if (!EFI_ERROR (Status)) {\r |
314 | gBS->CloseProtocol (\r |
315 | Controller,\r |
316 | &gEfiScsiIoProtocolGuid,\r |
317 | This->DriverBindingHandle,\r |
318 | Controller\r |
319 | );\r |
320 | \r |
321 | ReleaseScsiDiskDeviceResources (ScsiDiskDevice);\r |
322 | \r |
323 | return EFI_SUCCESS;\r |
324 | }\r |
325 | //\r |
326 | // errors met\r |
327 | //\r |
328 | return Status;\r |
329 | }\r |
330 | \r |
331 | //\r |
332 | // Block I/O Protocol Interface\r |
333 | //\r |
334 | \r |
335 | EFI_STATUS\r |
336 | EFIAPI\r |
337 | ScsiDiskReset (\r |
338 | IN EFI_BLOCK_IO_PROTOCOL *This,\r |
339 | IN BOOLEAN ExtendedVerification\r |
340 | )\r |
341 | /*++\r |
342 | \r |
343 | Routine Description:\r |
344 | \r |
345 | TODO: Add function description\r |
346 | \r |
347 | Arguments:\r |
348 | \r |
349 | This - TODO: add argument description\r |
350 | ExtendedVerification - TODO: add argument description\r |
351 | \r |
352 | Returns:\r |
353 | \r |
354 | TODO: add return values\r |
355 | \r |
356 | --*/\r |
357 | {\r |
358 | SCSI_DISK_DEV *ScsiDiskDevice;\r |
359 | EFI_STATUS Status;\r |
360 | \r |
361 | ScsiDiskDevice = SCSI_DISK_DEV_FROM_THIS (This);\r |
362 | \r |
363 | Status = ScsiDiskDevice->ScsiIo->ResetDevice (ScsiDiskDevice->ScsiIo);\r |
364 | \r |
365 | if (!ExtendedVerification) {\r |
366 | return Status;\r |
367 | }\r |
368 | \r |
369 | Status = ScsiDiskDevice->ScsiIo->ResetBus (ScsiDiskDevice->ScsiIo);\r |
370 | \r |
371 | return Status;\r |
372 | }\r |
373 | \r |
374 | EFI_STATUS\r |
375 | EFIAPI\r |
376 | ScsiDiskReadBlocks (\r |
377 | IN EFI_BLOCK_IO_PROTOCOL *This,\r |
378 | IN UINT32 MediaId,\r |
379 | IN EFI_LBA LBA,\r |
380 | IN UINTN BufferSize,\r |
381 | OUT VOID *Buffer\r |
382 | )\r |
383 | /*++\r |
384 | \r |
385 | Routine Description:\r |
386 | \r |
387 | TODO: Add function description\r |
388 | \r |
389 | Arguments:\r |
390 | \r |
391 | This - TODO: add argument description\r |
392 | MediaId - TODO: add argument description\r |
393 | LBA - TODO: add argument description\r |
394 | BufferSize - TODO: add argument description\r |
395 | Buffer - TODO: add argument description\r |
396 | \r |
397 | Returns:\r |
398 | \r |
399 | EFI_INVALID_PARAMETER - TODO: Add description for return value\r |
400 | EFI_SUCCESS - TODO: Add description for return value\r |
401 | EFI_DEVICE_ERROR - TODO: Add description for return value\r |
402 | EFI_NO_MEDIA - TODO: Add description for return value\r |
403 | EFI_MEDIA_CHANGED - TODO: Add description for return value\r |
404 | EFI_BAD_BUFFER_SIZE - TODO: Add description for return value\r |
405 | EFI_INVALID_PARAMETER - TODO: Add description for return value\r |
406 | EFI_INVALID_PARAMETER - TODO: Add description for return value\r |
407 | EFI_INVALID_PARAMETER - TODO: Add description for return value\r |
408 | \r |
409 | --*/\r |
410 | {\r |
411 | SCSI_DISK_DEV *ScsiDiskDevice;\r |
412 | EFI_BLOCK_IO_MEDIA *Media;\r |
413 | EFI_STATUS Status;\r |
414 | UINTN BlockSize;\r |
415 | UINTN NumberOfBlocks;\r |
416 | BOOLEAN MediaChange;\r |
417 | \r |
418 | MediaChange = FALSE;\r |
419 | if (!Buffer) {\r |
420 | return EFI_INVALID_PARAMETER;\r |
421 | }\r |
422 | \r |
423 | if (BufferSize == 0) {\r |
424 | return EFI_SUCCESS;\r |
425 | }\r |
426 | \r |
427 | ScsiDiskDevice = SCSI_DISK_DEV_FROM_THIS (This);\r |
428 | \r |
429 | if (!IsDeviceFixed (ScsiDiskDevice)) {\r |
430 | \r |
431 | Status = ScsiDiskDetectMedia (ScsiDiskDevice, FALSE, &MediaChange);\r |
432 | if (EFI_ERROR (Status)) {\r |
433 | return EFI_DEVICE_ERROR;\r |
434 | }\r |
435 | \r |
436 | if (MediaChange) {\r |
437 | gBS->ReinstallProtocolInterface (\r |
438 | ScsiDiskDevice->Handle,\r |
439 | &gEfiBlockIoProtocolGuid,\r |
440 | &ScsiDiskDevice->BlkIo,\r |
441 | &ScsiDiskDevice->BlkIo\r |
442 | );\r |
443 | }\r |
444 | }\r |
445 | //\r |
446 | // Get the intrinsic block size\r |
447 | //\r |
448 | Media = ScsiDiskDevice->BlkIo.Media;\r |
449 | BlockSize = Media->BlockSize;\r |
450 | \r |
451 | NumberOfBlocks = BufferSize / BlockSize;\r |
452 | \r |
453 | if (!(Media->MediaPresent)) {\r |
454 | return EFI_NO_MEDIA;\r |
455 | }\r |
456 | \r |
457 | if (MediaId != Media->MediaId) {\r |
458 | return EFI_MEDIA_CHANGED;\r |
459 | }\r |
460 | \r |
461 | if (BufferSize % BlockSize != 0) {\r |
462 | return EFI_BAD_BUFFER_SIZE;\r |
463 | }\r |
464 | \r |
465 | if (LBA > Media->LastBlock) {\r |
466 | return EFI_INVALID_PARAMETER;\r |
467 | }\r |
468 | \r |
469 | if ((LBA + NumberOfBlocks - 1) > Media->LastBlock) {\r |
470 | return EFI_INVALID_PARAMETER;\r |
471 | }\r |
472 | \r |
473 | if ((Media->IoAlign > 1) && (((UINTN) Buffer & (Media->IoAlign - 1)) != 0)) {\r |
474 | return EFI_INVALID_PARAMETER;\r |
475 | }\r |
476 | \r |
477 | //\r |
478 | // if all the parameters are valid, then perform read sectors command\r |
479 | // to transfer data from device to host.\r |
480 | //\r |
481 | Status = ScsiDiskReadSectors (ScsiDiskDevice, Buffer, LBA, NumberOfBlocks);\r |
482 | \r |
483 | return Status;\r |
484 | }\r |
485 | \r |
486 | EFI_STATUS\r |
487 | EFIAPI\r |
488 | ScsiDiskWriteBlocks (\r |
489 | IN EFI_BLOCK_IO_PROTOCOL *This,\r |
490 | IN UINT32 MediaId,\r |
491 | IN EFI_LBA LBA,\r |
492 | IN UINTN BufferSize,\r |
493 | IN VOID *Buffer\r |
494 | )\r |
495 | /*++\r |
496 | \r |
497 | Routine Description:\r |
498 | \r |
499 | TODO: Add function description\r |
500 | \r |
501 | Arguments:\r |
502 | \r |
503 | This - TODO: add argument description\r |
504 | MediaId - TODO: add argument description\r |
505 | LBA - TODO: add argument description\r |
506 | BufferSize - TODO: add argument description\r |
507 | Buffer - TODO: add argument description\r |
508 | \r |
509 | Returns:\r |
510 | \r |
511 | EFI_INVALID_PARAMETER - TODO: Add description for return value\r |
512 | EFI_SUCCESS - TODO: Add description for return value\r |
513 | EFI_DEVICE_ERROR - TODO: Add description for return value\r |
514 | EFI_NO_MEDIA - TODO: Add description for return value\r |
515 | EFI_MEDIA_CHANGED - TODO: Add description for return value\r |
516 | EFI_BAD_BUFFER_SIZE - TODO: Add description for return value\r |
517 | EFI_INVALID_PARAMETER - TODO: Add description for return value\r |
518 | EFI_INVALID_PARAMETER - TODO: Add description for return value\r |
519 | EFI_INVALID_PARAMETER - TODO: Add description for return value\r |
520 | \r |
521 | --*/\r |
522 | {\r |
523 | SCSI_DISK_DEV *ScsiDiskDevice;\r |
524 | EFI_BLOCK_IO_MEDIA *Media;\r |
525 | EFI_STATUS Status;\r |
526 | UINTN BlockSize;\r |
527 | UINTN NumberOfBlocks;\r |
528 | BOOLEAN MediaChange;\r |
529 | \r |
530 | MediaChange = FALSE;\r |
531 | if (!Buffer) {\r |
532 | return EFI_INVALID_PARAMETER;\r |
533 | }\r |
534 | \r |
535 | if (BufferSize == 0) {\r |
536 | return EFI_SUCCESS;\r |
537 | }\r |
538 | \r |
539 | ScsiDiskDevice = SCSI_DISK_DEV_FROM_THIS (This);\r |
540 | \r |
541 | if (!IsDeviceFixed (ScsiDiskDevice)) {\r |
542 | \r |
543 | Status = ScsiDiskDetectMedia (ScsiDiskDevice, FALSE, &MediaChange);\r |
544 | if (EFI_ERROR (Status)) {\r |
545 | return EFI_DEVICE_ERROR;\r |
546 | }\r |
547 | \r |
548 | if (MediaChange) {\r |
549 | gBS->ReinstallProtocolInterface (\r |
550 | ScsiDiskDevice->Handle,\r |
551 | &gEfiBlockIoProtocolGuid,\r |
552 | &ScsiDiskDevice->BlkIo,\r |
553 | &ScsiDiskDevice->BlkIo\r |
554 | );\r |
555 | }\r |
556 | }\r |
557 | //\r |
558 | // Get the intrinsic block size\r |
559 | //\r |
560 | Media = ScsiDiskDevice->BlkIo.Media;\r |
561 | BlockSize = Media->BlockSize;\r |
562 | \r |
563 | NumberOfBlocks = BufferSize / BlockSize;\r |
564 | \r |
565 | if (!(Media->MediaPresent)) {\r |
566 | return EFI_NO_MEDIA;\r |
567 | }\r |
568 | \r |
569 | if (MediaId != Media->MediaId) {\r |
570 | return EFI_MEDIA_CHANGED;\r |
571 | }\r |
572 | \r |
573 | if (BufferSize % BlockSize != 0) {\r |
574 | return EFI_BAD_BUFFER_SIZE;\r |
575 | }\r |
576 | \r |
577 | if (LBA > Media->LastBlock) {\r |
578 | return EFI_INVALID_PARAMETER;\r |
579 | }\r |
580 | \r |
581 | if ((LBA + NumberOfBlocks - 1) > Media->LastBlock) {\r |
582 | return EFI_INVALID_PARAMETER;\r |
583 | }\r |
584 | \r |
585 | if ((Media->IoAlign > 1) && (((UINTN) Buffer & (Media->IoAlign - 1)) != 0)) {\r |
586 | return EFI_INVALID_PARAMETER;\r |
587 | }\r |
588 | //\r |
589 | // if all the parameters are valid, then perform read sectors command\r |
590 | // to transfer data from device to host.\r |
591 | //\r |
592 | Status = ScsiDiskWriteSectors (ScsiDiskDevice, Buffer, LBA, NumberOfBlocks);\r |
593 | \r |
594 | return Status;\r |
595 | }\r |
596 | \r |
597 | EFI_STATUS\r |
598 | EFIAPI\r |
599 | ScsiDiskFlushBlocks (\r |
600 | IN EFI_BLOCK_IO_PROTOCOL *This\r |
601 | )\r |
602 | /*++\r |
603 | \r |
604 | Routine Description:\r |
605 | \r |
606 | TODO: Add function description\r |
607 | \r |
608 | Arguments:\r |
609 | \r |
610 | This - TODO: add argument description\r |
611 | \r |
612 | Returns:\r |
613 | \r |
614 | EFI_SUCCESS - TODO: Add description for return value\r |
615 | \r |
616 | --*/\r |
617 | {\r |
618 | //\r |
619 | // return directly\r |
620 | //\r |
621 | return EFI_SUCCESS;\r |
622 | }\r |
623 | \r |
624 | EFI_STATUS\r |
625 | ScsiDiskDetectMedia (\r |
626 | SCSI_DISK_DEV *ScsiDiskDevice,\r |
627 | BOOLEAN MustReadCapacity,\r |
628 | BOOLEAN *MediaChange\r |
629 | )\r |
630 | /*++\r |
631 | \r |
632 | Routine Description:\r |
633 | \r |
634 | TODO: Add function description\r |
635 | \r |
636 | Arguments:\r |
637 | \r |
638 | ScsiDiskDevice - TODO: add argument description\r |
639 | MustReadCapacity - TODO: add argument description\r |
640 | MediaChange - TODO: add argument description\r |
641 | \r |
642 | Returns:\r |
643 | \r |
644 | EFI_DEVICE_ERROR - TODO: Add description for return value\r |
645 | EFI_DEVICE_ERROR - TODO: Add description for return value\r |
646 | EFI_DEVICE_ERROR - TODO: Add description for return value\r |
647 | EFI_SUCCESS - TODO: Add description for return value\r |
648 | \r |
649 | --*/\r |
650 | {\r |
651 | EFI_STATUS Status;\r |
652 | EFI_STATUS ReadCapacityStatus;\r |
653 | EFI_SCSI_SENSE_DATA *SenseData;\r |
654 | UINTN NumberOfSenseKeys;\r |
655 | BOOLEAN NeedRetry;\r |
656 | BOOLEAN NeedReadCapacity;\r |
657 | UINT8 Index;\r |
658 | UINT8 MaxRetry;\r |
659 | EFI_BLOCK_IO_MEDIA OldMedia;\r |
660 | UINTN Action;\r |
661 | \r |
662 | Status = EFI_SUCCESS;\r |
663 | ReadCapacityStatus = EFI_SUCCESS;\r |
664 | SenseData = NULL;\r |
665 | NumberOfSenseKeys = 0;\r |
666 | NeedReadCapacity = FALSE;\r |
667 | CopyMem (&OldMedia, ScsiDiskDevice->BlkIo.Media, sizeof (OldMedia));\r |
668 | // OldMedia = *(ScsiDiskDevice->BlkIo.Media);\r |
669 | \r |
670 | *MediaChange = FALSE;\r |
671 | \r |
672 | MaxRetry = 3;\r |
673 | for (Index = 0; Index < MaxRetry; Index++) {\r |
674 | Status = ScsiDiskTestUnitReady (\r |
675 | ScsiDiskDevice,\r |
676 | &NeedRetry,\r |
677 | &SenseData,\r |
678 | &NumberOfSenseKeys\r |
679 | );\r |
680 | if (!EFI_ERROR (Status)) {\r |
681 | break;\r |
682 | }\r |
683 | \r |
684 | if (!NeedRetry) {\r |
685 | return Status;\r |
686 | }\r |
687 | }\r |
688 | \r |
689 | if ((Index == MaxRetry) && EFI_ERROR (Status)) {\r |
690 | return EFI_DEVICE_ERROR;\r |
691 | }\r |
692 | \r |
693 | Status = DetectMediaParsingSenseKeys (\r |
694 | ScsiDiskDevice,\r |
695 | SenseData,\r |
696 | NumberOfSenseKeys,\r |
697 | &Action\r |
698 | );\r |
699 | if (EFI_ERROR (Status)) {\r |
700 | return Status;\r |
701 | }\r |
702 | //\r |
703 | // ACTION_NO_ACTION: need not read capacity\r |
704 | // other action code: need read capacity\r |
705 | //\r |
706 | if (Action == ACTION_NO_ACTION) {\r |
707 | NeedReadCapacity = FALSE;\r |
708 | } else {\r |
709 | NeedReadCapacity = TRUE;\r |
710 | }\r |
711 | \r |
712 | //\r |
713 | // either NeedReadCapacity is TRUE, or MustReadCapacity is TRUE,\r |
714 | // retrieve capacity via Read Capacity command\r |
715 | //\r |
716 | if (NeedReadCapacity || MustReadCapacity) {\r |
717 | \r |
718 | //\r |
719 | // retrieve media information\r |
720 | //\r |
721 | MaxRetry = 3;\r |
722 | for (Index = 0; Index < MaxRetry; Index++) {\r |
723 | \r |
724 | ReadCapacityStatus = ScsiDiskReadCapacity (\r |
725 | ScsiDiskDevice,\r |
726 | &NeedRetry,\r |
727 | &SenseData,\r |
728 | &NumberOfSenseKeys\r |
729 | );\r |
730 | if (EFI_ERROR (ReadCapacityStatus) && !NeedRetry) {\r |
731 | return EFI_DEVICE_ERROR;\r |
732 | }\r |
733 | //\r |
734 | // analyze sense key to action\r |
735 | //\r |
736 | Status = DetectMediaParsingSenseKeys (\r |
737 | ScsiDiskDevice,\r |
738 | SenseData,\r |
739 | NumberOfSenseKeys,\r |
740 | &Action\r |
741 | );\r |
742 | //\r |
743 | // if Status is error, it may indicate crisis error,\r |
744 | // so return without retry.\r |
745 | //\r |
746 | if (EFI_ERROR (Status)) {\r |
747 | return Status;\r |
748 | }\r |
749 | \r |
750 | switch (Action) {\r |
751 | case ACTION_NO_ACTION:\r |
752 | //\r |
753 | // no retry\r |
754 | //\r |
755 | Index = MaxRetry;\r |
756 | break;\r |
757 | \r |
758 | case ACTION_RETRY_COMMAND_LATER:\r |
759 | //\r |
760 | // retry the ReadCapacity later and continuously, until the condition\r |
761 | // no longer emerges.\r |
762 | // stall time is 100000us, or say 0.1 second.\r |
763 | //\r |
764 | gBS->Stall (100000);\r |
765 | Index = 0;\r |
766 | break;\r |
767 | \r |
768 | default:\r |
769 | //\r |
770 | // other cases, just retry the command\r |
771 | //\r |
772 | break;\r |
773 | }\r |
774 | }\r |
775 | \r |
776 | if ((Index == MaxRetry) && EFI_ERROR (ReadCapacityStatus)) {\r |
777 | return EFI_DEVICE_ERROR;\r |
778 | }\r |
779 | }\r |
780 | \r |
781 | if (ScsiDiskDevice->BlkIo.Media->MediaId != OldMedia.MediaId) {\r |
782 | //\r |
783 | // Media change information got from the device\r |
784 | //\r |
785 | *MediaChange = TRUE;\r |
786 | }\r |
787 | \r |
788 | if (ScsiDiskDevice->BlkIo.Media->ReadOnly != OldMedia.ReadOnly) {\r |
789 | *MediaChange = TRUE;\r |
790 | ScsiDiskDevice->BlkIo.Media->MediaId += 1;\r |
791 | }\r |
792 | \r |
793 | if (ScsiDiskDevice->BlkIo.Media->BlockSize != OldMedia.BlockSize) {\r |
794 | *MediaChange = TRUE;\r |
795 | ScsiDiskDevice->BlkIo.Media->MediaId += 1;\r |
796 | }\r |
797 | \r |
798 | if (ScsiDiskDevice->BlkIo.Media->LastBlock != OldMedia.LastBlock) {\r |
799 | *MediaChange = TRUE;\r |
800 | ScsiDiskDevice->BlkIo.Media->MediaId += 1;\r |
801 | }\r |
802 | \r |
803 | if (ScsiDiskDevice->BlkIo.Media->MediaPresent != OldMedia.MediaPresent) {\r |
804 | if (ScsiDiskDevice->BlkIo.Media->MediaPresent) {\r |
805 | //\r |
806 | // when change from no media to media present, reset the MediaId to 1.\r |
807 | //\r |
808 | ScsiDiskDevice->BlkIo.Media->MediaId = 1;\r |
809 | } else {\r |
810 | //\r |
811 | // when no media, reset the MediaId to zero.\r |
812 | //\r |
813 | ScsiDiskDevice->BlkIo.Media->MediaId = 0;\r |
814 | }\r |
815 | \r |
816 | *MediaChange = TRUE;\r |
817 | }\r |
818 | \r |
819 | return EFI_SUCCESS;\r |
820 | }\r |
821 | \r |
822 | EFI_STATUS\r |
823 | ScsiDiskInquiryDevice (\r |
824 | SCSI_DISK_DEV *ScsiDiskDevice,\r |
825 | BOOLEAN *NeedRetry\r |
826 | )\r |
827 | /*++\r |
828 | \r |
829 | Routine Description:\r |
830 | \r |
831 | TODO: Add function description\r |
832 | \r |
833 | Arguments:\r |
834 | \r |
835 | ScsiDiskDevice - TODO: add argument description\r |
836 | NeedRetry - TODO: add argument description\r |
837 | \r |
838 | Returns:\r |
839 | \r |
840 | EFI_SUCCESS - TODO: Add description for return value\r |
841 | EFI_DEVICE_ERROR - TODO: Add description for return value\r |
842 | EFI_DEVICE_ERROR - TODO: Add description for return value\r |
843 | EFI_DEVICE_ERROR - TODO: Add description for return value\r |
844 | EFI_DEVICE_ERROR - TODO: Add description for return value\r |
845 | EFI_DEVICE_ERROR - TODO: Add description for return value\r |
846 | EFI_DEVICE_ERROR - TODO: Add description for return value\r |
847 | EFI_DEVICE_ERROR - TODO: Add description for return value\r |
848 | EFI_DEVICE_ERROR - TODO: Add description for return value\r |
849 | EFI_DEVICE_ERROR - TODO: Add description for return value\r |
850 | \r |
851 | --*/\r |
852 | {\r |
853 | UINT32 InquiryDataLength;\r |
854 | UINT8 SenseDataLength;\r |
855 | UINT8 HostAdapterStatus;\r |
856 | UINT8 TargetStatus;\r |
857 | EFI_SCSI_SENSE_DATA *SenseDataArray;\r |
858 | UINTN NumberOfSenseKeys;\r |
859 | EFI_STATUS Status;\r |
860 | UINT8 MaxRetry;\r |
861 | UINT8 Index;\r |
862 | \r |
863 | InquiryDataLength = sizeof (EFI_SCSI_INQUIRY_DATA);\r |
864 | SenseDataLength = 0;\r |
865 | \r |
866 | Status = SubmitInquiryCommand (\r |
867 | ScsiDiskDevice->ScsiIo,\r |
868 | EfiScsiStallSeconds (1),\r |
869 | NULL,\r |
870 | &SenseDataLength,\r |
871 | &HostAdapterStatus,\r |
872 | &TargetStatus,\r |
873 | (VOID *) &(ScsiDiskDevice->InquiryData),\r |
874 | &InquiryDataLength,\r |
875 | FALSE\r |
876 | );\r |
4ba61e5e |
877 | if ((Status == EFI_SUCCESS) || (Status == EFI_WARN_BUFFER_TOO_SMALL)) {\r |
878 | //\r |
879 | // no need to check HostAdapterStatus and TargetStatus\r |
880 | //\r |
878ddf1f |
881 | ParseInquiryData (ScsiDiskDevice);\r |
882 | return EFI_SUCCESS;\r |
4ba61e5e |
883 | } else if (Status == EFI_NOT_READY) {\r |
884 | //\r |
885 | // no need to check HostAdapterStatus and TargetStatus\r |
886 | //\r |
878ddf1f |
887 | *NeedRetry = TRUE;\r |
888 | return EFI_DEVICE_ERROR;\r |
4ba61e5e |
889 | } else if ((Status == EFI_INVALID_PARAMETER) || (Status == EFI_UNSUPPORTED)) {\r |
890 | //\r |
891 | // no need to check HostAdapterStatus and TargetStatus\r |
892 | //\r |
878ddf1f |
893 | *NeedRetry = FALSE;\r |
894 | return EFI_DEVICE_ERROR;\r |
4ba61e5e |
895 | }\r |
878ddf1f |
896 | //\r |
897 | // go ahead to check HostAdapterStatus and TargetStatus\r |
898 | // (EFI_TIMEOUT, EFI_DEVICE_ERROR)\r |
899 | //\r |
878ddf1f |
900 | Status = CheckHostAdapterStatus (HostAdapterStatus);\r |
4ba61e5e |
901 | if ((Status == EFI_TIMEOUT) || (Status == EFI_NOT_READY)) {\r |
878ddf1f |
902 | *NeedRetry = TRUE;\r |
903 | return EFI_DEVICE_ERROR;\r |
4ba61e5e |
904 | } else if (Status == EFI_DEVICE_ERROR) {\r |
878ddf1f |
905 | //\r |
906 | // reset the scsi channel\r |
907 | //\r |
908 | ScsiDiskDevice->ScsiIo->ResetBus (ScsiDiskDevice->ScsiIo);\r |
909 | *NeedRetry = FALSE;\r |
910 | return EFI_DEVICE_ERROR;\r |
911 | }\r |
912 | \r |
913 | Status = CheckTargetStatus (TargetStatus);\r |
4ba61e5e |
914 | if (Status == EFI_NOT_READY) {\r |
878ddf1f |
915 | //\r |
916 | // reset the scsi device\r |
917 | //\r |
918 | ScsiDiskDevice->ScsiIo->ResetDevice (ScsiDiskDevice->ScsiIo);\r |
919 | *NeedRetry = TRUE;\r |
920 | return EFI_DEVICE_ERROR;\r |
4ba61e5e |
921 | } else if (Status == EFI_DEVICE_ERROR) {\r |
878ddf1f |
922 | *NeedRetry = FALSE;\r |
923 | return EFI_DEVICE_ERROR;\r |
924 | }\r |
925 | \r |
926 | //\r |
927 | // if goes here, meant SubmitInquiryCommand() failed.\r |
928 | // if ScsiDiskRequestSenseKeys() succeeds at last,\r |
929 | // better retry SubmitInquiryCommand(). (by setting *NeedRetry = TRUE)\r |
930 | //\r |
931 | MaxRetry = 3;\r |
932 | for (Index = 0; Index < MaxRetry; Index++) {\r |
933 | \r |
934 | Status = ScsiDiskRequestSenseKeys (\r |
935 | ScsiDiskDevice,\r |
936 | NeedRetry,\r |
937 | &SenseDataArray,\r |
938 | &NumberOfSenseKeys,\r |
939 | TRUE\r |
940 | );\r |
941 | if (!EFI_ERROR (Status)) {\r |
942 | *NeedRetry = TRUE;\r |
943 | return EFI_DEVICE_ERROR;\r |
944 | }\r |
945 | \r |
946 | if (!*NeedRetry) {\r |
947 | return EFI_DEVICE_ERROR;\r |
948 | }\r |
949 | }\r |
950 | //\r |
951 | // ScsiDiskRequestSenseKeys() failed after several rounds of retry.\r |
952 | // set *NeedRetry = FALSE to avoid the outside caller try again.\r |
953 | //\r |
954 | *NeedRetry = FALSE;\r |
955 | return EFI_DEVICE_ERROR;\r |
956 | }\r |
957 | \r |
958 | EFI_STATUS\r |
959 | ScsiDiskTestUnitReady (\r |
960 | SCSI_DISK_DEV *ScsiDiskDevice,\r |
961 | BOOLEAN *NeedRetry,\r |
962 | EFI_SCSI_SENSE_DATA **SenseDataArray,\r |
963 | UINTN *NumberOfSenseKeys\r |
964 | )\r |
965 | // TODO: function comment should start with '/*++'\r |
966 | /*\r |
967 | When Test Unit Ready command succeeds,\r |
968 | retrieve Sense Keys via Request Sense;\r |
969 | When Test Unit Ready command encounters any error caused by host adapter or\r |
970 | target, return error without retrieving Sense Keys.\r |
971 | */\r |
972 | // TODO: function comment should end with '--*/'\r |
973 | // TODO: function comment is missing 'Routine Description:'\r |
974 | // TODO: function comment is missing 'Arguments:'\r |
975 | // TODO: function comment is missing 'Returns:'\r |
976 | // TODO: ScsiDiskDevice - add argument and description to function comment\r |
977 | // TODO: NeedRetry - add argument and description to function comment\r |
978 | // TODO: SenseDataArray - add argument and description to function comment\r |
979 | // TODO: NumberOfSenseKeys - add argument and description to function comment\r |
980 | // TODO: EFI_DEVICE_ERROR - add return value to function comment\r |
981 | // TODO: EFI_DEVICE_ERROR - add return value to function comment\r |
982 | // TODO: EFI_DEVICE_ERROR - add return value to function comment\r |
983 | // TODO: EFI_DEVICE_ERROR - add return value to function comment\r |
984 | // TODO: EFI_DEVICE_ERROR - add return value to function comment\r |
985 | // TODO: EFI_DEVICE_ERROR - add return value to function comment\r |
986 | // TODO: EFI_SUCCESS - add return value to function comment\r |
987 | // TODO: EFI_DEVICE_ERROR - add return value to function comment\r |
988 | // TODO: EFI_DEVICE_ERROR - add return value to function comment\r |
989 | {\r |
990 | EFI_STATUS Status;\r |
991 | UINT8 SenseDataLength;\r |
992 | UINT8 HostAdapterStatus;\r |
993 | UINT8 TargetStatus;\r |
994 | UINT8 Index;\r |
995 | UINT8 MaxRetry;\r |
996 | \r |
997 | SenseDataLength = 0;\r |
998 | *NumberOfSenseKeys = 0;\r |
999 | \r |
1000 | //\r |
1001 | // Parameter 3 and 4: do not require sense data, retrieve it when needed.\r |
1002 | //\r |
1003 | Status = SubmitTestUnitReadyCommand (\r |
1004 | ScsiDiskDevice->ScsiIo,\r |
1005 | EfiScsiStallSeconds (1),\r |
1006 | NULL,\r |
1007 | &SenseDataLength,\r |
1008 | &HostAdapterStatus,\r |
1009 | &TargetStatus\r |
1010 | );\r |
4ba61e5e |
1011 | if (Status == EFI_NOT_READY) {\r |
1012 | //\r |
1013 | // no need to check HostAdapterStatus and TargetStatus\r |
1014 | //\r |
878ddf1f |
1015 | *NeedRetry = TRUE;\r |
1016 | return EFI_DEVICE_ERROR;\r |
4ba61e5e |
1017 | } else if ((Status == EFI_INVALID_PARAMETER) || (Status == EFI_UNSUPPORTED)) {\r |
1018 | //\r |
1019 | // no need to check HostAdapterStatus and TargetStatus\r |
1020 | //\r |
878ddf1f |
1021 | *NeedRetry = FALSE;\r |
1022 | return EFI_DEVICE_ERROR;\r |
4ba61e5e |
1023 | }\r |
878ddf1f |
1024 | //\r |
1025 | // go ahead to check HostAdapterStatus and TargetStatus\r |
1026 | //\r |
878ddf1f |
1027 | Status = CheckHostAdapterStatus (HostAdapterStatus);\r |
4ba61e5e |
1028 | if ((Status == EFI_TIMEOUT) || (Status == EFI_NOT_READY)) {\r |
878ddf1f |
1029 | *NeedRetry = TRUE;\r |
1030 | return EFI_DEVICE_ERROR;\r |
4ba61e5e |
1031 | } else if (Status == EFI_DEVICE_ERROR) {\r |
878ddf1f |
1032 | //\r |
1033 | // reset the scsi channel\r |
1034 | //\r |
1035 | ScsiDiskDevice->ScsiIo->ResetBus (ScsiDiskDevice->ScsiIo);\r |
1036 | *NeedRetry = FALSE;\r |
1037 | return EFI_DEVICE_ERROR;\r |
1038 | }\r |
1039 | \r |
1040 | Status = CheckTargetStatus (TargetStatus);\r |
4ba61e5e |
1041 | if (Status == EFI_NOT_READY) {\r |
878ddf1f |
1042 | //\r |
1043 | // reset the scsi device\r |
1044 | //\r |
1045 | ScsiDiskDevice->ScsiIo->ResetDevice (ScsiDiskDevice->ScsiIo);\r |
1046 | *NeedRetry = TRUE;\r |
1047 | return EFI_DEVICE_ERROR;\r |
4ba61e5e |
1048 | } else if (Status == EFI_DEVICE_ERROR) {\r |
878ddf1f |
1049 | *NeedRetry = FALSE;\r |
1050 | return EFI_DEVICE_ERROR;\r |
1051 | }\r |
1052 | \r |
1053 | MaxRetry = 3;\r |
1054 | for (Index = 0; Index < MaxRetry; Index++) {\r |
1055 | \r |
1056 | Status = ScsiDiskRequestSenseKeys (\r |
1057 | ScsiDiskDevice,\r |
1058 | NeedRetry,\r |
1059 | SenseDataArray,\r |
1060 | NumberOfSenseKeys,\r |
1061 | FALSE\r |
1062 | );\r |
1063 | if (!EFI_ERROR (Status)) {\r |
1064 | return EFI_SUCCESS;\r |
1065 | }\r |
1066 | \r |
1067 | if (!*NeedRetry) {\r |
1068 | return EFI_DEVICE_ERROR;\r |
1069 | }\r |
1070 | }\r |
1071 | //\r |
1072 | // ScsiDiskRequestSenseKeys() failed after several rounds of retry.\r |
1073 | // set *NeedRetry = FALSE to avoid the outside caller try again.\r |
1074 | //\r |
1075 | *NeedRetry = FALSE;\r |
1076 | return EFI_DEVICE_ERROR;\r |
1077 | }\r |
1078 | \r |
1079 | EFI_STATUS\r |
1080 | DetectMediaParsingSenseKeys (\r |
1081 | SCSI_DISK_DEV *ScsiDiskDevice,\r |
1082 | EFI_SCSI_SENSE_DATA *SenseData,\r |
1083 | UINTN NumberOfSenseKeys,\r |
1084 | UINTN *Action\r |
1085 | )\r |
1086 | /*++\r |
1087 | \r |
1088 | Routine Description:\r |
1089 | \r |
1090 | TODO: Add function description\r |
1091 | \r |
1092 | Arguments:\r |
1093 | \r |
1094 | ScsiDiskDevice - TODO: add argument description\r |
1095 | SenseData - TODO: add argument description\r |
1096 | NumberOfSenseKeys - TODO: add argument description\r |
1097 | Action - TODO: add argument description\r |
1098 | \r |
1099 | Returns:\r |
1100 | \r |
1101 | EFI_SUCCESS - TODO: Add description for return value\r |
1102 | EFI_SUCCESS - TODO: Add description for return value\r |
1103 | EFI_SUCCESS - TODO: Add description for return value\r |
1104 | EFI_SUCCESS - TODO: Add description for return value\r |
1105 | EFI_DEVICE_ERROR - TODO: Add description for return value\r |
1106 | EFI_DEVICE_ERROR - TODO: Add description for return value\r |
1107 | EFI_SUCCESS - TODO: Add description for return value\r |
1108 | EFI_DEVICE_ERROR - TODO: Add description for return value\r |
1109 | EFI_SUCCESS - TODO: Add description for return value\r |
1110 | \r |
1111 | --*/\r |
1112 | {\r |
1113 | BOOLEAN RetryLater;\r |
1114 | \r |
1115 | //\r |
1116 | // Default is to read capacity, unless..\r |
1117 | //\r |
1118 | *Action = ACTION_READ_CAPACITY;\r |
1119 | \r |
1120 | if (NumberOfSenseKeys == 0) {\r |
1121 | *Action = ACTION_NO_ACTION;\r |
1122 | return EFI_SUCCESS;\r |
1123 | }\r |
1124 | \r |
1125 | if (!ScsiDiskHaveSenseKey (SenseData, NumberOfSenseKeys)) {\r |
1126 | //\r |
1127 | // No Sense Key returned from last submitted command\r |
1128 | //\r |
1129 | *Action = ACTION_NO_ACTION;\r |
1130 | return EFI_SUCCESS;\r |
1131 | }\r |
1132 | \r |
1133 | if (ScsiDiskIsNoMedia (SenseData, NumberOfSenseKeys)) {\r |
1134 | ScsiDiskDevice->BlkIo.Media->MediaPresent = FALSE;\r |
1135 | ScsiDiskDevice->BlkIo.Media->LastBlock = 0;\r |
1136 | *Action = ACTION_NO_ACTION;\r |
1137 | return EFI_SUCCESS;\r |
1138 | }\r |
1139 | \r |
1140 | if (ScsiDiskIsMediaChange (SenseData, NumberOfSenseKeys)) {\r |
1141 | ScsiDiskDevice->BlkIo.Media->MediaId++;\r |
1142 | return EFI_SUCCESS;\r |
1143 | }\r |
1144 | \r |
1145 | if (ScsiDiskIsMediaError (SenseData, NumberOfSenseKeys)) {\r |
1146 | ScsiDiskDevice->BlkIo.Media->MediaPresent = FALSE;\r |
1147 | ScsiDiskDevice->BlkIo.Media->LastBlock = 0;\r |
1148 | return EFI_DEVICE_ERROR;\r |
1149 | }\r |
1150 | \r |
1151 | if (ScsiDiskIsHardwareError (SenseData, NumberOfSenseKeys)) {\r |
1152 | return EFI_DEVICE_ERROR;\r |
1153 | }\r |
1154 | \r |
1155 | if (!ScsiDiskIsDriveReady (SenseData, NumberOfSenseKeys, &RetryLater)) {\r |
1156 | if (RetryLater) {\r |
1157 | *Action = ACTION_RETRY_COMMAND_LATER;\r |
1158 | return EFI_SUCCESS;\r |
1159 | }\r |
1160 | \r |
1161 | return EFI_DEVICE_ERROR;\r |
1162 | }\r |
1163 | \r |
1164 | return EFI_SUCCESS;\r |
1165 | }\r |
1166 | \r |
1167 | EFI_STATUS\r |
1168 | ScsiDiskReadCapacity (\r |
1169 | SCSI_DISK_DEV *ScsiDiskDevice,\r |
1170 | BOOLEAN *NeedRetry,\r |
1171 | EFI_SCSI_SENSE_DATA **SenseDataArray,\r |
1172 | UINTN *NumberOfSenseKeys\r |
1173 | )\r |
1174 | /*++\r |
1175 | \r |
1176 | Routine Description:\r |
1177 | \r |
1178 | TODO: Add function description\r |
1179 | \r |
1180 | Arguments:\r |
1181 | \r |
1182 | ScsiDiskDevice - TODO: add argument description\r |
1183 | NeedRetry - TODO: add argument description\r |
1184 | SenseDataArray - TODO: add argument description\r |
1185 | NumberOfSenseKeys - TODO: add argument description\r |
1186 | \r |
1187 | Returns:\r |
1188 | \r |
1189 | EFI_SUCCESS - TODO: Add description for return value\r |
1190 | EFI_DEVICE_ERROR - TODO: Add description for return value\r |
1191 | EFI_DEVICE_ERROR - TODO: Add description for return value\r |
1192 | EFI_DEVICE_ERROR - TODO: Add description for return value\r |
1193 | EFI_DEVICE_ERROR - TODO: Add description for return value\r |
1194 | EFI_DEVICE_ERROR - TODO: Add description for return value\r |
1195 | EFI_DEVICE_ERROR - TODO: Add description for return value\r |
1196 | EFI_DEVICE_ERROR - TODO: Add description for return value\r |
1197 | EFI_DEVICE_ERROR - TODO: Add description for return value\r |
1198 | EFI_DEVICE_ERROR - TODO: Add description for return value\r |
1199 | \r |
1200 | --*/\r |
1201 | {\r |
1202 | EFI_SCSI_DISK_CAPACITY_DATA CapacityData;\r |
1203 | UINT32 DataLength;\r |
1204 | UINT8 HostAdapterStatus;\r |
1205 | UINT8 TargetStatus;\r |
1206 | EFI_STATUS CommandStatus;\r |
1207 | EFI_STATUS Status;\r |
1208 | UINT8 Index;\r |
1209 | UINT8 MaxRetry;\r |
1210 | UINT8 SenseDataLength;\r |
1211 | \r |
1212 | SenseDataLength = 0;\r |
1213 | ZeroMem (&CapacityData, sizeof (EFI_SCSI_DISK_CAPACITY_DATA));\r |
1214 | DataLength = sizeof (EFI_SCSI_DISK_CAPACITY_DATA);\r |
1215 | \r |
1216 | *NumberOfSenseKeys = 0;\r |
1217 | *NeedRetry = FALSE;\r |
1218 | //\r |
1219 | // submit Read Capacity Command. in this call,not request sense data\r |
1220 | //\r |
1221 | CommandStatus = SubmitReadCapacityCommand (\r |
1222 | ScsiDiskDevice->ScsiIo,\r |
1223 | EfiScsiStallSeconds (1),\r |
1224 | NULL,\r |
1225 | &SenseDataLength,\r |
1226 | &HostAdapterStatus,\r |
1227 | &TargetStatus,\r |
1228 | (VOID *) &CapacityData,\r |
1229 | &DataLength,\r |
1230 | FALSE\r |
1231 | );\r |
4ba61e5e |
1232 | if (CommandStatus == EFI_SUCCESS) {\r |
1233 | //\r |
1234 | // no need to check HostAdapterStatus and TargetStatus\r |
1235 | //\r |
878ddf1f |
1236 | GetMediaInfo (ScsiDiskDevice, &CapacityData);\r |
1237 | return EFI_SUCCESS;\r |
4ba61e5e |
1238 | } else if (CommandStatus == EFI_NOT_READY) {\r |
1239 | //\r |
1240 | // no need to check HostAdapterStatus and TargetStatus\r |
1241 | //\r |
878ddf1f |
1242 | *NeedRetry = TRUE;\r |
1243 | return EFI_DEVICE_ERROR;\r |
4ba61e5e |
1244 | } else if ((CommandStatus == EFI_INVALID_PARAMETER) || (CommandStatus == EFI_UNSUPPORTED)) {\r |
1245 | //\r |
1246 | // no need to check HostAdapterStatus and TargetStatus\r |
1247 | //\r |
878ddf1f |
1248 | *NeedRetry = FALSE;\r |
1249 | return EFI_DEVICE_ERROR;\r |
4ba61e5e |
1250 | }\r |
878ddf1f |
1251 | //\r |
1252 | // go ahead to check HostAdapterStatus and TargetStatus\r |
1253 | // (EFI_TIMEOUT, EFI_DEVICE_ERROR, EFI_WARN_BUFFER_TOO_SMALL)\r |
1254 | //\r |
4ba61e5e |
1255 | \r |
878ddf1f |
1256 | Status = CheckHostAdapterStatus (HostAdapterStatus);\r |
4ba61e5e |
1257 | if ((Status == EFI_TIMEOUT) || (Status == EFI_NOT_READY)) {\r |
878ddf1f |
1258 | *NeedRetry = TRUE;\r |
1259 | return EFI_DEVICE_ERROR;\r |
4ba61e5e |
1260 | } else if (Status == EFI_DEVICE_ERROR) {\r |
878ddf1f |
1261 | //\r |
1262 | // reset the scsi channel\r |
1263 | //\r |
1264 | ScsiDiskDevice->ScsiIo->ResetBus (ScsiDiskDevice->ScsiIo);\r |
1265 | *NeedRetry = FALSE;\r |
1266 | return EFI_DEVICE_ERROR;\r |
1267 | }\r |
1268 | \r |
1269 | Status = CheckTargetStatus (TargetStatus);\r |
4ba61e5e |
1270 | if (Status == EFI_NOT_READY) {\r |
878ddf1f |
1271 | //\r |
1272 | // reset the scsi device\r |
1273 | //\r |
1274 | ScsiDiskDevice->ScsiIo->ResetDevice (ScsiDiskDevice->ScsiIo);\r |
1275 | *NeedRetry = TRUE;\r |
1276 | return EFI_DEVICE_ERROR;\r |
4ba61e5e |
1277 | } else if (Status == EFI_DEVICE_ERROR) {\r |
878ddf1f |
1278 | *NeedRetry = FALSE;\r |
1279 | return EFI_DEVICE_ERROR;\r |
1280 | }\r |
1281 | \r |
1282 | //\r |
1283 | // if goes here, meant SubmitReadCapacityCommand() failed.\r |
1284 | // if ScsiDiskRequestSenseKeys() succeeds at last,\r |
1285 | // better retry SubmitReadCapacityCommand(). (by setting *NeedRetry = TRUE)\r |
1286 | //\r |
1287 | MaxRetry = 3;\r |
1288 | for (Index = 0; Index < MaxRetry; Index++) {\r |
1289 | \r |
1290 | Status = ScsiDiskRequestSenseKeys (\r |
1291 | ScsiDiskDevice,\r |
1292 | NeedRetry,\r |
1293 | SenseDataArray,\r |
1294 | NumberOfSenseKeys,\r |
1295 | TRUE\r |
1296 | );\r |
1297 | if (!EFI_ERROR (Status)) {\r |
1298 | *NeedRetry = TRUE;\r |
1299 | return EFI_DEVICE_ERROR;\r |
1300 | }\r |
1301 | \r |
1302 | if (!*NeedRetry) {\r |
1303 | return EFI_DEVICE_ERROR;\r |
1304 | }\r |
1305 | }\r |
1306 | //\r |
1307 | // ScsiDiskRequestSenseKeys() failed after several rounds of retry.\r |
1308 | // set *NeedRetry = FALSE to avoid the outside caller try again.\r |
1309 | //\r |
1310 | *NeedRetry = FALSE;\r |
1311 | return EFI_DEVICE_ERROR;\r |
1312 | }\r |
1313 | \r |
1314 | EFI_STATUS\r |
1315 | CheckHostAdapterStatus (\r |
1316 | UINT8 HostAdapterStatus\r |
1317 | )\r |
1318 | /*++\r |
1319 | \r |
1320 | Routine Description:\r |
1321 | \r |
1322 | TODO: Add function description\r |
1323 | \r |
1324 | Arguments:\r |
1325 | \r |
1326 | HostAdapterStatus - TODO: add argument description\r |
1327 | \r |
1328 | Returns:\r |
1329 | \r |
1330 | EFI_SUCCESS - TODO: Add description for return value\r |
1331 | EFI_TIMEOUT - TODO: Add description for return value\r |
1332 | EFI_NOT_READY - TODO: Add description for return value\r |
1333 | EFI_DEVICE_ERROR - TODO: Add description for return value\r |
1334 | EFI_SUCCESS - TODO: Add description for return value\r |
1335 | \r |
1336 | --*/\r |
1337 | {\r |
1338 | switch (HostAdapterStatus) {\r |
1339 | case EFI_SCSI_IO_STATUS_HOST_ADAPTER_OK:\r |
1340 | return EFI_SUCCESS;\r |
1341 | \r |
1342 | case EFI_SCSI_IO_STATUS_HOST_ADAPTER_SELECTION_TIMEOUT:\r |
1343 | case EFI_SCSI_IO_STATUS_HOST_ADAPTER_TIMEOUT:\r |
1344 | case EFI_SCSI_IO_STATUS_HOST_ADAPTER_TIMEOUT_COMMAND:\r |
1345 | return EFI_TIMEOUT;\r |
1346 | \r |
1347 | case EFI_SCSI_IO_STATUS_HOST_ADAPTER_MESSAGE_REJECT:\r |
1348 | case EFI_SCSI_IO_STATUS_HOST_ADAPTER_PARITY_ERROR:\r |
1349 | case EFI_SCSI_IO_STATUS_HOST_ADAPTER_REQUEST_SENSE_FAILED:\r |
1350 | case EFI_SCSI_IO_STATUS_HOST_ADAPTER_DATA_OVERRUN_UNDERRUN:\r |
1351 | case EFI_SCSI_IO_STATUS_HOST_ADAPTER_BUS_RESET:\r |
1352 | return EFI_NOT_READY;\r |
1353 | \r |
1354 | case EFI_SCSI_IO_STATUS_HOST_ADAPTER_BUS_FREE:\r |
1355 | case EFI_SCSI_IO_STATUS_HOST_ADAPTER_PHASE_ERROR:\r |
1356 | return EFI_DEVICE_ERROR;\r |
1357 | \r |
1358 | default:\r |
1359 | return EFI_SUCCESS;\r |
1360 | }\r |
1361 | }\r |
1362 | \r |
1363 | EFI_STATUS\r |
1364 | CheckTargetStatus (\r |
1365 | UINT8 TargetStatus\r |
1366 | )\r |
1367 | /*++\r |
1368 | \r |
1369 | Routine Description:\r |
1370 | \r |
1371 | TODO: Add function description\r |
1372 | \r |
1373 | Arguments:\r |
1374 | \r |
1375 | TargetStatus - TODO: add argument description\r |
1376 | \r |
1377 | Returns:\r |
1378 | \r |
1379 | EFI_SUCCESS - TODO: Add description for return value\r |
1380 | EFI_NOT_READY - TODO: Add description for return value\r |
1381 | EFI_DEVICE_ERROR - TODO: Add description for return value\r |
1382 | EFI_SUCCESS - TODO: Add description for return value\r |
1383 | \r |
1384 | --*/\r |
1385 | {\r |
1386 | switch (TargetStatus) {\r |
1387 | case EFI_SCSI_IO_STATUS_TARGET_GOOD:\r |
1388 | case EFI_SCSI_IO_STATUS_TARGET_CHECK_CONDITION:\r |
1389 | case EFI_SCSI_IO_STATUS_TARGET_CONDITION_MET:\r |
1390 | return EFI_SUCCESS;\r |
1391 | \r |
1392 | case EFI_SCSI_IO_STATUS_TARGET_INTERMEDIATE:\r |
1393 | case EFI_SCSI_IO_STATUS_TARGET_INTERMEDIATE_CONDITION_MET:\r |
1394 | case EFI_SCSI_IO_STATUS_TARGET_BUSY:\r |
1395 | case EFI_SCSI_IO_STATUS_TARGET_COMMOND_TERMINATED:\r |
1396 | case EFI_SCSI_IO_STATUS_TARGET_QUEUE_FULL:\r |
1397 | return EFI_NOT_READY;\r |
1398 | \r |
1399 | case EFI_SCSI_IO_STATUS_TARGET_RESERVATION_CONFLICT:\r |
1400 | return EFI_DEVICE_ERROR;\r |
1401 | break;\r |
1402 | \r |
1403 | default:\r |
1404 | return EFI_SUCCESS;\r |
1405 | }\r |
1406 | }\r |
1407 | \r |
1408 | EFI_STATUS\r |
1409 | ScsiDiskRequestSenseKeys (\r |
1410 | SCSI_DISK_DEV *ScsiDiskDevice,\r |
1411 | BOOLEAN *NeedRetry,\r |
1412 | EFI_SCSI_SENSE_DATA **SenseDataArray,\r |
1413 | UINTN *NumberOfSenseKeys,\r |
1414 | BOOLEAN AskResetIfError\r |
1415 | )\r |
1416 | // TODO: function comment should start with '/*++'\r |
1417 | /*\r |
1418 | Retrieve all sense keys from the device.\r |
1419 | When encountering error during the process,\r |
1420 | if retrieve sense keys before error encounterred,\r |
1421 | return the sense keys with return status set to EFI_SUCCESS,\r |
1422 | and NeedRetry set to FALSE; otherwize, return the proper return\r |
1423 | status.\r |
1424 | */\r |
1425 | // TODO: function comment should end with '--*/'\r |
1426 | // TODO: function comment is missing 'Routine Description:'\r |
1427 | // TODO: function comment is missing 'Arguments:'\r |
1428 | // TODO: function comment is missing 'Returns:'\r |
1429 | // TODO: ScsiDiskDevice - add argument and description to function comment\r |
1430 | // TODO: NeedRetry - add argument and description to function comment\r |
1431 | // TODO: SenseDataArray - add argument and description to function comment\r |
1432 | // TODO: NumberOfSenseKeys - add argument and description to function comment\r |
1433 | // TODO: AskResetIfError - add argument and description to function comment\r |
1434 | // TODO: EFI_SUCCESS - add return value to function comment\r |
1435 | // TODO: EFI_DEVICE_ERROR - add return value to function comment\r |
1436 | // TODO: EFI_SUCCESS - add return value to function comment\r |
1437 | {\r |
1438 | EFI_SCSI_SENSE_DATA *PtrSenseData;\r |
1439 | UINT8 SenseDataLength;\r |
1440 | BOOLEAN SenseReq;\r |
1441 | EFI_STATUS Status;\r |
1442 | EFI_STATUS FallStatus;\r |
1443 | UINT8 HostAdapterStatus;\r |
1444 | UINT8 TargetStatus;\r |
1445 | \r |
1446 | FallStatus = EFI_SUCCESS;\r |
1447 | SenseDataLength = sizeof (EFI_SCSI_SENSE_DATA);\r |
1448 | \r |
1449 | ZeroMem (\r |
1450 | ScsiDiskDevice->SenseData,\r |
1451 | sizeof (EFI_SCSI_SENSE_DATA) * (ScsiDiskDevice->SenseDataNumber)\r |
1452 | );\r |
1453 | \r |
1454 | *NumberOfSenseKeys = 0;\r |
1455 | *SenseDataArray = ScsiDiskDevice->SenseData;\r |
1456 | PtrSenseData = ScsiDiskDevice->SenseData;\r |
1457 | \r |
1458 | for (SenseReq = TRUE; SenseReq;) {\r |
1459 | \r |
1460 | Status = SubmitRequestSenseCommand (\r |
1461 | ScsiDiskDevice->ScsiIo,\r |
1462 | EfiScsiStallSeconds (2),\r |
1463 | PtrSenseData,\r |
1464 | &SenseDataLength,\r |
1465 | &HostAdapterStatus,\r |
1466 | &TargetStatus\r |
1467 | );\r |
4ba61e5e |
1468 | if ((Status == EFI_SUCCESS) || (Status == EFI_WARN_BUFFER_TOO_SMALL)) {\r |
878ddf1f |
1469 | FallStatus = EFI_SUCCESS;\r |
4ba61e5e |
1470 | } else if ((Status == EFI_TIMEOUT) || (Status == EFI_NOT_READY)) { \r |
878ddf1f |
1471 | *NeedRetry = TRUE;\r |
1472 | FallStatus = EFI_DEVICE_ERROR;\r |
4ba61e5e |
1473 | } else if ((Status == EFI_INVALID_PARAMETER) || (Status == EFI_UNSUPPORTED)) {\r |
878ddf1f |
1474 | *NeedRetry = FALSE;\r |
1475 | FallStatus = EFI_DEVICE_ERROR;\r |
4ba61e5e |
1476 | } else if (Status == EFI_DEVICE_ERROR) {\r |
878ddf1f |
1477 | if (AskResetIfError) {\r |
1478 | ScsiDiskDevice->ScsiIo->ResetDevice (ScsiDiskDevice->ScsiIo);\r |
1479 | }\r |
1480 | \r |
1481 | FallStatus = EFI_DEVICE_ERROR;\r |
878ddf1f |
1482 | }\r |
1483 | \r |
1484 | if (EFI_ERROR (FallStatus)) {\r |
1485 | if (*NumberOfSenseKeys != 0) {\r |
1486 | *NeedRetry = FALSE;\r |
1487 | return EFI_SUCCESS;\r |
1488 | } else {\r |
1489 | return EFI_DEVICE_ERROR;\r |
1490 | }\r |
1491 | }\r |
1492 | \r |
1493 | (*NumberOfSenseKeys) += 1;\r |
1494 | \r |
1495 | //\r |
1496 | // no more sense key or number of sense keys exceeds predefined,\r |
1497 | // skip the loop.\r |
1498 | //\r |
1499 | if ((PtrSenseData->Sense_Key == EFI_SCSI_SK_NO_SENSE) || \r |
1500 | (*NumberOfSenseKeys == ScsiDiskDevice->SenseDataNumber)) {\r |
1501 | SenseReq = FALSE;\r |
1502 | }\r |
1503 | \r |
1504 | PtrSenseData += 1;\r |
1505 | \r |
1506 | }\r |
1507 | \r |
1508 | return EFI_SUCCESS;\r |
1509 | }\r |
1510 | \r |
1511 | VOID\r |
1512 | GetMediaInfo (\r |
1513 | SCSI_DISK_DEV *ScsiDiskDevice,\r |
1514 | EFI_SCSI_DISK_CAPACITY_DATA *Capacity\r |
1515 | )\r |
1516 | /*++\r |
1517 | \r |
1518 | Routine Description:\r |
1519 | \r |
1520 | TODO: Add function description\r |
1521 | \r |
1522 | Arguments:\r |
1523 | \r |
1524 | ScsiDiskDevice - TODO: add argument description\r |
1525 | Capacity - TODO: add argument description\r |
1526 | \r |
1527 | Returns:\r |
1528 | \r |
1529 | TODO: add return values\r |
1530 | \r |
1531 | --*/\r |
1532 | {\r |
1533 | ScsiDiskDevice->BlkIo.Media->LastBlock = (Capacity->LastLba3 << 24) |\r |
1534 | (Capacity->LastLba2 << 16) |\r |
1535 | (Capacity->LastLba1 << 8) |\r |
1536 | Capacity->LastLba0;\r |
1537 | \r |
1538 | ScsiDiskDevice->BlkIo.Media->MediaPresent = TRUE;\r |
1539 | ScsiDiskDevice->BlkIo.Media->BlockSize = (Capacity->BlockSize3 << 24) |\r |
1540 | (Capacity->BlockSize2 << 16) | \r |
1541 | (Capacity->BlockSize1 << 8) |\r |
1542 | Capacity->BlockSize0;\r |
1543 | if (ScsiDiskDevice->DeviceType == EFI_SCSI_TYPE_DISK) {\r |
1544 | ScsiDiskDevice->BlkIo.Media->BlockSize = 0x200;\r |
1545 | }\r |
1546 | \r |
1547 | if (ScsiDiskDevice->DeviceType == EFI_SCSI_TYPE_CDROM) {\r |
1548 | ScsiDiskDevice->BlkIo.Media->BlockSize = 0x800;\r |
1549 | }\r |
1550 | }\r |
1551 | \r |
1552 | VOID\r |
1553 | ParseInquiryData (\r |
1554 | SCSI_DISK_DEV *ScsiDiskDevice\r |
1555 | )\r |
1556 | /*++\r |
1557 | \r |
1558 | Routine Description:\r |
1559 | \r |
1560 | TODO: Add function description\r |
1561 | \r |
1562 | Arguments:\r |
1563 | \r |
1564 | ScsiDiskDevice - TODO: add argument description\r |
1565 | \r |
1566 | Returns:\r |
1567 | \r |
1568 | TODO: add return values\r |
1569 | \r |
1570 | --*/\r |
1571 | {\r |
1572 | ScsiDiskDevice->FixedDevice = (BOOLEAN) (ScsiDiskDevice->InquiryData.RMB ? 0 : 1);\r |
1573 | ScsiDiskDevice->BlkIoMedia.RemovableMedia = (BOOLEAN) (!ScsiDiskDevice->FixedDevice);\r |
1574 | }\r |
1575 | \r |
1576 | EFI_STATUS\r |
1577 | ScsiDiskReadSectors (\r |
1578 | SCSI_DISK_DEV *ScsiDiskDevice,\r |
1579 | VOID *Buffer,\r |
1580 | EFI_LBA Lba,\r |
1581 | UINTN NumberOfBlocks\r |
1582 | )\r |
1583 | /*++\r |
1584 | \r |
1585 | Routine Description:\r |
1586 | \r |
1587 | TODO: Add function description\r |
1588 | \r |
1589 | Arguments:\r |
1590 | \r |
1591 | ScsiDiskDevice - TODO: add argument description\r |
1592 | Buffer - TODO: add argument description\r |
1593 | Lba - TODO: add argument description\r |
1594 | NumberOfBlocks - TODO: add argument description\r |
1595 | \r |
1596 | Returns:\r |
1597 | \r |
1598 | EFI_DEVICE_ERROR - TODO: Add description for return value\r |
1599 | EFI_DEVICE_ERROR - TODO: Add description for return value\r |
1600 | EFI_SUCCESS - TODO: Add description for return value\r |
1601 | \r |
1602 | --*/\r |
1603 | {\r |
1604 | UINTN BlocksRemaining;\r |
1605 | UINT32 Lba32;\r |
1606 | UINT8 *PtrBuffer;\r |
1607 | UINT32 BlockSize;\r |
1608 | UINT32 ByteCount;\r |
1609 | UINT32 MaxBlock;\r |
1610 | UINT32 SectorCount;\r |
1611 | UINT64 Timeout;\r |
1612 | EFI_STATUS Status;\r |
1613 | UINT8 Index;\r |
1614 | UINT8 MaxRetry;\r |
1615 | BOOLEAN NeedRetry;\r |
1616 | EFI_SCSI_SENSE_DATA *SenseData;\r |
1617 | UINT8 SenseDataLength;\r |
1618 | UINTN NumberOfSenseKeys;\r |
1619 | \r |
1620 | SenseData = NULL;\r |
1621 | SenseDataLength = 0;\r |
1622 | NumberOfSenseKeys = 0;\r |
1623 | \r |
1624 | Status = EFI_SUCCESS;\r |
1625 | \r |
1626 | BlocksRemaining = NumberOfBlocks;\r |
1627 | BlockSize = ScsiDiskDevice->BlkIo.Media->BlockSize;\r |
1628 | //\r |
1629 | // limit the data bytes that can be transferred by one Read(10) Command\r |
1630 | //\r |
1631 | MaxBlock = 65536;\r |
1632 | \r |
1633 | PtrBuffer = Buffer;\r |
1634 | Lba32 = (UINT32) Lba;\r |
1635 | \r |
1636 | while (BlocksRemaining > 0) {\r |
1637 | \r |
1638 | if (BlocksRemaining <= MaxBlock) {\r |
1639 | \r |
1640 | SectorCount = (UINT16) BlocksRemaining;\r |
1641 | } else {\r |
1642 | \r |
1643 | SectorCount = MaxBlock;\r |
1644 | }\r |
1645 | \r |
1646 | ByteCount = SectorCount * BlockSize;\r |
1647 | Timeout = EfiScsiStallSeconds (2);\r |
1648 | \r |
1649 | MaxRetry = 2;\r |
1650 | for (Index = 0; Index < MaxRetry; Index++) {\r |
1651 | \r |
1652 | Status = ScsiDiskRead10 (\r |
1653 | ScsiDiskDevice,\r |
1654 | &NeedRetry,\r |
1655 | &SenseData,\r |
1656 | &NumberOfSenseKeys,\r |
1657 | Timeout,\r |
1658 | PtrBuffer,\r |
1659 | &ByteCount,\r |
1660 | Lba32,\r |
1661 | SectorCount\r |
1662 | );\r |
1663 | if (!EFI_ERROR (Status)) {\r |
1664 | break;\r |
1665 | }\r |
1666 | \r |
1667 | if (!NeedRetry) {\r |
1668 | return EFI_DEVICE_ERROR;\r |
1669 | }\r |
1670 | \r |
1671 | }\r |
1672 | \r |
1673 | if ((Index == MaxRetry) && (Status != EFI_SUCCESS)) {\r |
1674 | return EFI_DEVICE_ERROR;\r |
1675 | }\r |
1676 | \r |
1677 | //\r |
1678 | // actual transferred sectors\r |
1679 | //\r |
1680 | SectorCount = ByteCount / BlockSize;\r |
1681 | \r |
1682 | Lba32 += SectorCount;\r |
1683 | PtrBuffer = PtrBuffer + SectorCount * BlockSize;\r |
1684 | BlocksRemaining -= SectorCount;\r |
1685 | }\r |
1686 | \r |
1687 | return EFI_SUCCESS;\r |
1688 | }\r |
1689 | \r |
1690 | EFI_STATUS\r |
1691 | ScsiDiskWriteSectors (\r |
1692 | SCSI_DISK_DEV *ScsiDiskDevice,\r |
1693 | VOID *Buffer,\r |
1694 | EFI_LBA Lba,\r |
1695 | UINTN NumberOfBlocks\r |
1696 | )\r |
1697 | /*++\r |
1698 | \r |
1699 | Routine Description:\r |
1700 | \r |
1701 | TODO: Add function description\r |
1702 | \r |
1703 | Arguments:\r |
1704 | \r |
1705 | ScsiDiskDevice - TODO: add argument description\r |
1706 | Buffer - TODO: add argument description\r |
1707 | Lba - TODO: add argument description\r |
1708 | NumberOfBlocks - TODO: add argument description\r |
1709 | \r |
1710 | Returns:\r |
1711 | \r |
1712 | EFI_DEVICE_ERROR - TODO: Add description for return value\r |
1713 | EFI_DEVICE_ERROR - TODO: Add description for return value\r |
1714 | EFI_SUCCESS - TODO: Add description for return value\r |
1715 | \r |
1716 | --*/\r |
1717 | {\r |
1718 | UINTN BlocksRemaining;\r |
1719 | UINT32 Lba32;\r |
1720 | UINT8 *PtrBuffer;\r |
1721 | UINT32 BlockSize;\r |
1722 | UINT32 ByteCount;\r |
1723 | UINT32 MaxBlock;\r |
1724 | UINT32 SectorCount;\r |
1725 | UINT64 Timeout;\r |
1726 | EFI_STATUS Status;\r |
1727 | UINT8 Index;\r |
1728 | UINT8 MaxRetry;\r |
1729 | BOOLEAN NeedRetry;\r |
1730 | EFI_SCSI_SENSE_DATA *SenseData;\r |
1731 | UINT8 SenseDataLength;\r |
1732 | UINTN NumberOfSenseKeys;\r |
1733 | \r |
1734 | SenseData = NULL;\r |
1735 | SenseDataLength = 0;\r |
1736 | NumberOfSenseKeys = 0;\r |
1737 | \r |
1738 | Status = EFI_SUCCESS;\r |
1739 | \r |
1740 | BlocksRemaining = NumberOfBlocks;\r |
1741 | BlockSize = ScsiDiskDevice->BlkIo.Media->BlockSize;\r |
1742 | //\r |
1743 | // limit the data bytes that can be transferred by one Write(10) Command\r |
1744 | //\r |
1745 | MaxBlock = 65536;\r |
1746 | \r |
1747 | PtrBuffer = Buffer;\r |
1748 | Lba32 = (UINT32) Lba;\r |
1749 | \r |
1750 | while (BlocksRemaining > 0) {\r |
1751 | \r |
1752 | if (BlocksRemaining <= MaxBlock) {\r |
1753 | \r |
1754 | SectorCount = (UINT16) BlocksRemaining;\r |
1755 | } else {\r |
1756 | \r |
1757 | SectorCount = MaxBlock;\r |
1758 | }\r |
1759 | \r |
1760 | ByteCount = SectorCount * BlockSize;\r |
1761 | Timeout = EfiScsiStallSeconds (2);\r |
1762 | MaxRetry = 2;\r |
1763 | for (Index = 0; Index < MaxRetry; Index++) {\r |
1764 | Status = ScsiDiskWrite10 (\r |
1765 | ScsiDiskDevice,\r |
1766 | &NeedRetry,\r |
1767 | &SenseData,\r |
1768 | &NumberOfSenseKeys,\r |
1769 | Timeout,\r |
1770 | PtrBuffer,\r |
1771 | &ByteCount,\r |
1772 | Lba32,\r |
1773 | SectorCount\r |
1774 | );\r |
1775 | if (!EFI_ERROR (Status)) {\r |
1776 | break;\r |
1777 | }\r |
1778 | \r |
1779 | if (!NeedRetry) {\r |
1780 | return EFI_DEVICE_ERROR;\r |
1781 | }\r |
1782 | }\r |
1783 | \r |
1784 | if ((Index == MaxRetry) && (Status != EFI_SUCCESS)) {\r |
1785 | return EFI_DEVICE_ERROR;\r |
1786 | }\r |
1787 | //\r |
1788 | // actual transferred sectors\r |
1789 | //\r |
1790 | SectorCount = ByteCount / BlockSize;\r |
1791 | \r |
1792 | Lba32 += SectorCount;\r |
1793 | PtrBuffer = PtrBuffer + SectorCount * BlockSize;\r |
1794 | BlocksRemaining -= SectorCount;\r |
1795 | }\r |
1796 | \r |
1797 | return EFI_SUCCESS;\r |
1798 | }\r |
1799 | \r |
1800 | EFI_STATUS\r |
1801 | ScsiDiskRead10 (\r |
1802 | SCSI_DISK_DEV *ScsiDiskDevice,\r |
1803 | BOOLEAN *NeedRetry,\r |
1804 | EFI_SCSI_SENSE_DATA **SenseDataArray,\r |
1805 | UINTN *NumberOfSenseKeys,\r |
1806 | UINT64 Timeout,\r |
1807 | UINT8 *DataBuffer,\r |
1808 | UINT32 *DataLength,\r |
1809 | UINT32 StartLba,\r |
1810 | UINT32 SectorSize\r |
1811 | )\r |
1812 | /*++\r |
1813 | \r |
1814 | Routine Description:\r |
1815 | \r |
1816 | TODO: Add function description\r |
1817 | \r |
1818 | Arguments:\r |
1819 | \r |
1820 | ScsiDiskDevice - TODO: add argument description\r |
1821 | NeedRetry - TODO: add argument description\r |
1822 | SenseDataArray - TODO: add argument description\r |
1823 | NumberOfSenseKeys - TODO: add argument description\r |
1824 | Timeout - TODO: add argument description\r |
1825 | DataBuffer - TODO: add argument description\r |
1826 | DataLength - TODO: add argument description\r |
1827 | StartLba - TODO: add argument description\r |
1828 | SectorSize - TODO: add argument description\r |
1829 | \r |
1830 | Returns:\r |
1831 | \r |
1832 | TODO: add return values\r |
1833 | \r |
1834 | --*/\r |
1835 | {\r |
1836 | UINT8 SenseDataLength;\r |
1837 | EFI_STATUS Status;\r |
1838 | UINT8 HostAdapterStatus;\r |
1839 | UINT8 TargetStatus;\r |
1840 | \r |
1841 | *NeedRetry = FALSE;\r |
1842 | *NumberOfSenseKeys = 0;\r |
1843 | SenseDataLength = 0;\r |
1844 | Status = SubmitRead10Command (\r |
1845 | ScsiDiskDevice->ScsiIo,\r |
1846 | Timeout,\r |
1847 | NULL,\r |
1848 | &SenseDataLength,\r |
1849 | &HostAdapterStatus,\r |
1850 | &TargetStatus,\r |
1851 | DataBuffer,\r |
1852 | DataLength,\r |
1853 | StartLba,\r |
1854 | SectorSize\r |
1855 | );\r |
1856 | return Status;\r |
1857 | }\r |
1858 | \r |
1859 | EFI_STATUS\r |
1860 | ScsiDiskWrite10 (\r |
1861 | SCSI_DISK_DEV *ScsiDiskDevice,\r |
1862 | BOOLEAN *NeedRetry,\r |
1863 | EFI_SCSI_SENSE_DATA **SenseDataArray,\r |
1864 | UINTN *NumberOfSenseKeys,\r |
1865 | UINT64 Timeout,\r |
1866 | UINT8 *DataBuffer,\r |
1867 | UINT32 *DataLength,\r |
1868 | UINT32 StartLba,\r |
1869 | UINT32 SectorSize\r |
1870 | )\r |
1871 | /*++\r |
1872 | \r |
1873 | Routine Description:\r |
1874 | \r |
1875 | TODO: Add function description\r |
1876 | \r |
1877 | Arguments:\r |
1878 | \r |
1879 | ScsiDiskDevice - TODO: add argument description\r |
1880 | NeedRetry - TODO: add argument description\r |
1881 | SenseDataArray - TODO: add argument description\r |
1882 | NumberOfSenseKeys - TODO: add argument description\r |
1883 | Timeout - TODO: add argument description\r |
1884 | DataBuffer - TODO: add argument description\r |
1885 | DataLength - TODO: add argument description\r |
1886 | StartLba - TODO: add argument description\r |
1887 | SectorSize - TODO: add argument description\r |
1888 | \r |
1889 | Returns:\r |
1890 | \r |
1891 | TODO: add return values\r |
1892 | \r |
1893 | --*/\r |
1894 | {\r |
1895 | EFI_STATUS Status;\r |
1896 | UINT8 SenseDataLength;\r |
1897 | UINT8 HostAdapterStatus;\r |
1898 | UINT8 TargetStatus;\r |
1899 | \r |
1900 | *NeedRetry = FALSE;\r |
1901 | *NumberOfSenseKeys = 0;\r |
1902 | SenseDataLength = 0;\r |
1903 | Status = SubmitWrite10Command (\r |
1904 | ScsiDiskDevice->ScsiIo,\r |
1905 | Timeout,\r |
1906 | NULL,\r |
1907 | &SenseDataLength,\r |
1908 | &HostAdapterStatus,\r |
1909 | &TargetStatus,\r |
1910 | DataBuffer,\r |
1911 | DataLength,\r |
1912 | StartLba,\r |
1913 | SectorSize\r |
1914 | );\r |
1915 | return Status;\r |
1916 | }\r |
1917 | \r |
1918 | BOOLEAN\r |
1919 | ScsiDiskIsNoMedia (\r |
1920 | IN EFI_SCSI_SENSE_DATA *SenseData,\r |
1921 | IN UINTN SenseCounts\r |
1922 | )\r |
1923 | /*++\r |
1924 | \r |
1925 | Routine Description:\r |
1926 | \r |
1927 | TODO: Add function description\r |
1928 | \r |
1929 | Arguments:\r |
1930 | \r |
1931 | SenseData - TODO: add argument description\r |
1932 | SenseCounts - TODO: add argument description\r |
1933 | \r |
1934 | Returns:\r |
1935 | \r |
1936 | TODO: add return values\r |
1937 | \r |
1938 | --*/\r |
1939 | {\r |
1940 | EFI_SCSI_SENSE_DATA *SensePtr;\r |
1941 | UINTN Index;\r |
1942 | BOOLEAN IsNoMedia;\r |
1943 | \r |
1944 | IsNoMedia = FALSE;\r |
1945 | SensePtr = SenseData;\r |
1946 | \r |
1947 | for (Index = 0; Index < SenseCounts; Index++) {\r |
1948 | \r |
1949 | //\r |
1950 | // Sense Key is EFI_SCSI_SK_NOT_READY (0x2),\r |
1951 | // Additional Sense Code is ASC_NO_MEDIA (0x3A)\r |
1952 | //\r |
1953 | if ((SensePtr->Sense_Key == EFI_SCSI_SK_NOT_READY) &&\r |
1954 | (SensePtr->Addnl_Sense_Code == EFI_SCSI_ASC_NO_MEDIA)) {\r |
1955 | IsNoMedia = TRUE;\r |
1956 | }\r |
1957 | \r |
1958 | SensePtr++;\r |
1959 | }\r |
1960 | \r |
1961 | return IsNoMedia;\r |
1962 | }\r |
1963 | \r |
1964 | BOOLEAN\r |
1965 | ScsiDiskIsMediaError (\r |
1966 | IN EFI_SCSI_SENSE_DATA *SenseData,\r |
1967 | IN UINTN SenseCounts\r |
1968 | )\r |
1969 | /*++\r |
1970 | \r |
1971 | Routine Description:\r |
1972 | \r |
1973 | TODO: Add function description\r |
1974 | \r |
1975 | Arguments:\r |
1976 | \r |
1977 | SenseData - TODO: add argument description\r |
1978 | SenseCounts - TODO: add argument description\r |
1979 | \r |
1980 | Returns:\r |
1981 | \r |
1982 | TODO: add return values\r |
1983 | \r |
1984 | --*/\r |
1985 | {\r |
1986 | EFI_SCSI_SENSE_DATA *SensePtr;\r |
1987 | UINTN Index;\r |
1988 | BOOLEAN IsError;\r |
1989 | \r |
1990 | IsError = FALSE;\r |
1991 | SensePtr = SenseData;\r |
1992 | \r |
1993 | for (Index = 0; Index < SenseCounts; Index++) {\r |
1994 | \r |
1995 | switch (SensePtr->Sense_Key) {\r |
1996 | \r |
1997 | case EFI_SCSI_SK_MEDIUM_ERROR:\r |
1998 | //\r |
1999 | // Sense Key is EFI_SCSI_SK_MEDIUM_ERROR (0x3)\r |
2000 | //\r |
2001 | switch (SensePtr->Addnl_Sense_Code) {\r |
2002 | \r |
2003 | //\r |
2004 | // fall through\r |
2005 | //\r |
2006 | case EFI_SCSI_ASC_MEDIA_ERR1:\r |
2007 | \r |
2008 | //\r |
2009 | // fall through\r |
2010 | //\r |
2011 | case EFI_SCSI_ASC_MEDIA_ERR2:\r |
2012 | \r |
2013 | //\r |
2014 | // fall through\r |
2015 | //\r |
2016 | case EFI_SCSI_ASC_MEDIA_ERR3:\r |
2017 | case EFI_SCSI_ASC_MEDIA_ERR4:\r |
2018 | IsError = TRUE;\r |
2019 | break;\r |
2020 | \r |
2021 | default:\r |
2022 | break;\r |
2023 | }\r |
2024 | \r |
2025 | break;\r |
2026 | \r |
2027 | case EFI_SCSI_SK_NOT_READY:\r |
2028 | //\r |
2029 | // Sense Key is EFI_SCSI_SK_NOT_READY (0x2)\r |
2030 | //\r |
2031 | switch (SensePtr->Addnl_Sense_Code) {\r |
2032 | //\r |
2033 | // Additional Sense Code is ASC_MEDIA_UPSIDE_DOWN (0x6)\r |
2034 | //\r |
2035 | case EFI_SCSI_ASC_MEDIA_UPSIDE_DOWN:\r |
2036 | IsError = TRUE;\r |
2037 | break;\r |
2038 | \r |
2039 | default:\r |
2040 | break;\r |
2041 | }\r |
2042 | break;\r |
2043 | \r |
2044 | default:\r |
2045 | break;\r |
2046 | }\r |
2047 | \r |
2048 | SensePtr++;\r |
2049 | }\r |
2050 | \r |
2051 | return IsError;\r |
2052 | }\r |
2053 | \r |
2054 | BOOLEAN\r |
2055 | ScsiDiskIsHardwareError (\r |
2056 | IN EFI_SCSI_SENSE_DATA *SenseData,\r |
2057 | IN UINTN SenseCounts\r |
2058 | )\r |
2059 | /*++\r |
2060 | \r |
2061 | Routine Description:\r |
2062 | \r |
2063 | TODO: Add function description\r |
2064 | \r |
2065 | Arguments:\r |
2066 | \r |
2067 | SenseData - TODO: add argument description\r |
2068 | SenseCounts - TODO: add argument description\r |
2069 | \r |
2070 | Returns:\r |
2071 | \r |
2072 | TODO: add return values\r |
2073 | \r |
2074 | --*/\r |
2075 | {\r |
2076 | EFI_SCSI_SENSE_DATA *SensePtr;\r |
2077 | UINTN Index;\r |
2078 | BOOLEAN IsError;\r |
2079 | \r |
2080 | IsError = FALSE;\r |
2081 | SensePtr = SenseData;\r |
2082 | \r |
2083 | for (Index = 0; Index < SenseCounts; Index++) {\r |
2084 | \r |
2085 | //\r |
2086 | // Sense Key is EFI_SCSI_SK_HARDWARE_ERROR (0x4)\r |
2087 | //\r |
2088 | if (SensePtr->Sense_Key == EFI_SCSI_SK_HARDWARE_ERROR) {\r |
2089 | IsError = TRUE;\r |
2090 | }\r |
2091 | \r |
2092 | SensePtr++;\r |
2093 | }\r |
2094 | \r |
2095 | return IsError;\r |
2096 | }\r |
2097 | \r |
2098 | BOOLEAN\r |
2099 | ScsiDiskIsMediaChange (\r |
2100 | IN EFI_SCSI_SENSE_DATA *SenseData,\r |
2101 | IN UINTN SenseCounts\r |
2102 | )\r |
2103 | /*++\r |
2104 | \r |
2105 | Routine Description:\r |
2106 | \r |
2107 | TODO: Add function description\r |
2108 | \r |
2109 | Arguments:\r |
2110 | \r |
2111 | SenseData - TODO: add argument description\r |
2112 | SenseCounts - TODO: add argument description\r |
2113 | \r |
2114 | Returns:\r |
2115 | \r |
2116 | TODO: add return values\r |
2117 | \r |
2118 | --*/\r |
2119 | {\r |
2120 | EFI_SCSI_SENSE_DATA *SensePtr;\r |
2121 | UINTN Index;\r |
2122 | BOOLEAN IsMediaChanged;\r |
2123 | \r |
2124 | IsMediaChanged = FALSE;\r |
2125 | SensePtr = SenseData;\r |
2126 | \r |
2127 | for (Index = 0; Index < SenseCounts; Index++) {\r |
2128 | //\r |
2129 | // Sense Key is EFI_SCSI_SK_UNIT_ATTENTION (0x6),\r |
2130 | // Additional sense code is EFI_SCSI_ASC_MEDIA_CHANGE (0x28)\r |
2131 | //\r |
2132 | if ((SensePtr->Sense_Key == EFI_SCSI_SK_UNIT_ATTENTION) &&\r |
2133 | (SensePtr->Addnl_Sense_Code == EFI_SCSI_ASC_MEDIA_CHANGE)) {\r |
2134 | IsMediaChanged = TRUE;\r |
2135 | }\r |
2136 | \r |
2137 | SensePtr++;\r |
2138 | }\r |
2139 | \r |
2140 | return IsMediaChanged;\r |
2141 | }\r |
2142 | \r |
2143 | BOOLEAN\r |
2144 | ScsiDiskIsResetBefore (\r |
2145 | IN EFI_SCSI_SENSE_DATA *SenseData,\r |
2146 | IN UINTN SenseCounts\r |
2147 | )\r |
2148 | /*++\r |
2149 | \r |
2150 | Routine Description:\r |
2151 | \r |
2152 | TODO: Add function description\r |
2153 | \r |
2154 | Arguments:\r |
2155 | \r |
2156 | SenseData - TODO: add argument description\r |
2157 | SenseCounts - TODO: add argument description\r |
2158 | \r |
2159 | Returns:\r |
2160 | \r |
2161 | TODO: add return values\r |
2162 | \r |
2163 | --*/\r |
2164 | {\r |
2165 | EFI_SCSI_SENSE_DATA *SensePtr;\r |
2166 | UINTN Index;\r |
2167 | BOOLEAN IsResetBefore;\r |
2168 | \r |
2169 | IsResetBefore = FALSE;\r |
2170 | SensePtr = SenseData;\r |
2171 | \r |
2172 | for (Index = 0; Index < SenseCounts; Index++) {\r |
2173 | \r |
2174 | //\r |
2175 | // Sense Key is EFI_SCSI_SK_UNIT_ATTENTION (0x6)\r |
2176 | // Additional Sense Code is EFI_SCSI_ASC_RESET (0x29)\r |
2177 | //\r |
2178 | if ((SensePtr->Sense_Key == EFI_SCSI_SK_UNIT_ATTENTION) &&\r |
2179 | (SensePtr->Addnl_Sense_Code == EFI_SCSI_ASC_RESET)) {\r |
2180 | IsResetBefore = TRUE;\r |
2181 | }\r |
2182 | \r |
2183 | SensePtr++;\r |
2184 | }\r |
2185 | \r |
2186 | return IsResetBefore;\r |
2187 | }\r |
2188 | \r |
2189 | BOOLEAN\r |
2190 | ScsiDiskIsDriveReady (\r |
2191 | IN EFI_SCSI_SENSE_DATA *SenseData,\r |
2192 | IN UINTN SenseCounts,\r |
2193 | OUT BOOLEAN *RetryLater\r |
2194 | )\r |
2195 | /*++\r |
2196 | \r |
2197 | Routine Description:\r |
2198 | \r |
2199 | TODO: Add function description\r |
2200 | \r |
2201 | Arguments:\r |
2202 | \r |
2203 | SenseData - TODO: add argument description\r |
2204 | SenseCounts - TODO: add argument description\r |
2205 | RetryLater - TODO: add argument description\r |
2206 | \r |
2207 | Returns:\r |
2208 | \r |
2209 | TODO: add return values\r |
2210 | \r |
2211 | --*/\r |
2212 | {\r |
2213 | EFI_SCSI_SENSE_DATA *SensePtr;\r |
2214 | UINTN Index;\r |
2215 | BOOLEAN IsReady;\r |
2216 | \r |
2217 | IsReady = TRUE;\r |
2218 | *RetryLater = FALSE;\r |
2219 | SensePtr = SenseData;\r |
2220 | \r |
2221 | for (Index = 0; Index < SenseCounts; Index++) {\r |
2222 | \r |
2223 | switch (SensePtr->Sense_Key) {\r |
2224 | \r |
2225 | case EFI_SCSI_SK_NOT_READY:\r |
2226 | //\r |
2227 | // Sense Key is EFI_SCSI_SK_NOT_READY (0x2)\r |
2228 | //\r |
2229 | switch (SensePtr->Addnl_Sense_Code) {\r |
2230 | case EFI_SCSI_ASC_NOT_READY:\r |
2231 | //\r |
2232 | // Additional Sense Code is EFI_SCSI_ASC_NOT_READY (0x4)\r |
2233 | //\r |
2234 | switch (SensePtr->Addnl_Sense_Code_Qualifier) {\r |
2235 | case EFI_SCSI_ASCQ_IN_PROGRESS:\r |
2236 | //\r |
2237 | // Additional Sense Code Qualifier is\r |
2238 | // EFI_SCSI_ASCQ_IN_PROGRESS (0x1)\r |
2239 | //\r |
2240 | IsReady = FALSE;\r |
2241 | *RetryLater = TRUE;\r |
2242 | break;\r |
2243 | \r |
2244 | default:\r |
2245 | IsReady = FALSE;\r |
2246 | *RetryLater = FALSE;\r |
2247 | break;\r |
2248 | }\r |
2249 | break;\r |
2250 | \r |
2251 | default:\r |
2252 | break;\r |
2253 | }\r |
2254 | break;\r |
2255 | \r |
2256 | default:\r |
2257 | break;\r |
2258 | }\r |
2259 | \r |
2260 | SensePtr++;\r |
2261 | }\r |
2262 | \r |
2263 | return IsReady;\r |
2264 | }\r |
2265 | \r |
2266 | BOOLEAN\r |
2267 | ScsiDiskHaveSenseKey (\r |
2268 | IN EFI_SCSI_SENSE_DATA *SenseData,\r |
2269 | IN UINTN SenseCounts\r |
2270 | )\r |
2271 | /*++\r |
2272 | \r |
2273 | Routine Description:\r |
2274 | \r |
2275 | TODO: Add function description\r |
2276 | \r |
2277 | Arguments:\r |
2278 | \r |
2279 | SenseData - TODO: add argument description\r |
2280 | SenseCounts - TODO: add argument description\r |
2281 | \r |
2282 | Returns:\r |
2283 | \r |
2284 | TODO: add return values\r |
2285 | \r |
2286 | --*/\r |
2287 | {\r |
2288 | EFI_SCSI_SENSE_DATA *SensePtr;\r |
2289 | UINTN Index;\r |
2290 | BOOLEAN HaveSenseKey;\r |
2291 | \r |
2292 | if (SenseCounts == 0) {\r |
2293 | HaveSenseKey = FALSE;\r |
2294 | } else {\r |
2295 | HaveSenseKey = TRUE;\r |
2296 | }\r |
2297 | \r |
2298 | SensePtr = SenseData;\r |
2299 | \r |
2300 | for (Index = 0; Index < SenseCounts; Index++) {\r |
2301 | \r |
2302 | //\r |
2303 | // Sense Key is SK_NO_SENSE (0x0)\r |
2304 | //\r |
2305 | if ((SensePtr->Sense_Key == EFI_SCSI_SK_NO_SENSE) &&\r |
2306 | (Index == 0)) {\r |
2307 | HaveSenseKey = FALSE;\r |
2308 | }\r |
2309 | \r |
2310 | SensePtr++;\r |
2311 | }\r |
2312 | \r |
2313 | return HaveSenseKey;\r |
2314 | }\r |
2315 | \r |
2316 | VOID\r |
2317 | ReleaseScsiDiskDeviceResources (\r |
2318 | IN SCSI_DISK_DEV *ScsiDiskDevice\r |
2319 | )\r |
2320 | /*++\r |
2321 | \r |
2322 | Routine Description:\r |
2323 | \r |
2324 | TODO: Add function description\r |
2325 | \r |
2326 | Arguments:\r |
2327 | \r |
2328 | ScsiDiskDevice - TODO: add argument description\r |
2329 | \r |
2330 | Returns:\r |
2331 | \r |
2332 | TODO: add return values\r |
2333 | \r |
2334 | --*/\r |
2335 | {\r |
2336 | if (ScsiDiskDevice == NULL) {\r |
2337 | return ;\r |
2338 | }\r |
2339 | \r |
2340 | if (ScsiDiskDevice->SenseData != NULL) {\r |
2341 | gBS->FreePool (ScsiDiskDevice->SenseData);\r |
2342 | ScsiDiskDevice->SenseData = NULL;\r |
2343 | }\r |
2344 | \r |
2345 | if (ScsiDiskDevice->ControllerNameTable != NULL) {\r |
2346 | FreeUnicodeStringTable (ScsiDiskDevice->ControllerNameTable);\r |
2347 | ScsiDiskDevice->ControllerNameTable = NULL;\r |
2348 | }\r |
2349 | \r |
2350 | gBS->FreePool (ScsiDiskDevice);\r |
2351 | \r |
2352 | ScsiDiskDevice = NULL;\r |
2353 | }\r |