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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 | |
20 | #include "scsidisk.h"\r | |
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 | |
877 | switch (Status) {\r | |
878 | //\r | |
879 | // no need to check HostAdapterStatus and TargetStatus\r | |
880 | //\r | |
881 | case EFI_SUCCESS:\r | |
882 | case EFI_WARN_BUFFER_TOO_SMALL:\r | |
883 | ParseInquiryData (ScsiDiskDevice);\r | |
884 | return EFI_SUCCESS;\r | |
885 | \r | |
886 | case EFI_NOT_READY:\r | |
887 | *NeedRetry = TRUE;\r | |
888 | return EFI_DEVICE_ERROR;\r | |
889 | \r | |
890 | case EFI_INVALID_PARAMETER:\r | |
891 | case EFI_UNSUPPORTED:\r | |
892 | *NeedRetry = FALSE;\r | |
893 | return EFI_DEVICE_ERROR;\r | |
894 | \r | |
895 | //\r | |
896 | // go ahead to check HostAdapterStatus and TargetStatus\r | |
897 | // (EFI_TIMEOUT, EFI_DEVICE_ERROR)\r | |
898 | //\r | |
899 | default:\r | |
900 | break;\r | |
901 | }\r | |
902 | \r | |
903 | Status = CheckHostAdapterStatus (HostAdapterStatus);\r | |
904 | switch (Status) {\r | |
905 | case EFI_SUCCESS:\r | |
906 | break;\r | |
907 | \r | |
908 | case EFI_TIMEOUT:\r | |
909 | case EFI_NOT_READY:\r | |
910 | *NeedRetry = TRUE;\r | |
911 | return EFI_DEVICE_ERROR;\r | |
912 | \r | |
913 | case EFI_DEVICE_ERROR:\r | |
914 | //\r | |
915 | // reset the scsi channel\r | |
916 | //\r | |
917 | ScsiDiskDevice->ScsiIo->ResetBus (ScsiDiskDevice->ScsiIo);\r | |
918 | *NeedRetry = FALSE;\r | |
919 | return EFI_DEVICE_ERROR;\r | |
920 | }\r | |
921 | \r | |
922 | Status = CheckTargetStatus (TargetStatus);\r | |
923 | switch (Status) {\r | |
924 | case EFI_SUCCESS:\r | |
925 | break;\r | |
926 | \r | |
927 | case EFI_NOT_READY:\r | |
928 | //\r | |
929 | // reset the scsi device\r | |
930 | //\r | |
931 | ScsiDiskDevice->ScsiIo->ResetDevice (ScsiDiskDevice->ScsiIo);\r | |
932 | *NeedRetry = TRUE;\r | |
933 | return EFI_DEVICE_ERROR;\r | |
934 | \r | |
935 | case EFI_DEVICE_ERROR:\r | |
936 | *NeedRetry = FALSE;\r | |
937 | return EFI_DEVICE_ERROR;\r | |
938 | }\r | |
939 | \r | |
940 | //\r | |
941 | // if goes here, meant SubmitInquiryCommand() failed.\r | |
942 | // if ScsiDiskRequestSenseKeys() succeeds at last,\r | |
943 | // better retry SubmitInquiryCommand(). (by setting *NeedRetry = TRUE)\r | |
944 | //\r | |
945 | MaxRetry = 3;\r | |
946 | for (Index = 0; Index < MaxRetry; Index++) {\r | |
947 | \r | |
948 | Status = ScsiDiskRequestSenseKeys (\r | |
949 | ScsiDiskDevice,\r | |
950 | NeedRetry,\r | |
951 | &SenseDataArray,\r | |
952 | &NumberOfSenseKeys,\r | |
953 | TRUE\r | |
954 | );\r | |
955 | if (!EFI_ERROR (Status)) {\r | |
956 | *NeedRetry = TRUE;\r | |
957 | return EFI_DEVICE_ERROR;\r | |
958 | }\r | |
959 | \r | |
960 | if (!*NeedRetry) {\r | |
961 | return EFI_DEVICE_ERROR;\r | |
962 | }\r | |
963 | }\r | |
964 | //\r | |
965 | // ScsiDiskRequestSenseKeys() failed after several rounds of retry.\r | |
966 | // set *NeedRetry = FALSE to avoid the outside caller try again.\r | |
967 | //\r | |
968 | *NeedRetry = FALSE;\r | |
969 | return EFI_DEVICE_ERROR;\r | |
970 | }\r | |
971 | \r | |
972 | EFI_STATUS\r | |
973 | ScsiDiskTestUnitReady (\r | |
974 | SCSI_DISK_DEV *ScsiDiskDevice,\r | |
975 | BOOLEAN *NeedRetry,\r | |
976 | EFI_SCSI_SENSE_DATA **SenseDataArray,\r | |
977 | UINTN *NumberOfSenseKeys\r | |
978 | )\r | |
979 | // TODO: function comment should start with '/*++'\r | |
980 | /*\r | |
981 | When Test Unit Ready command succeeds,\r | |
982 | retrieve Sense Keys via Request Sense;\r | |
983 | When Test Unit Ready command encounters any error caused by host adapter or\r | |
984 | target, return error without retrieving Sense Keys.\r | |
985 | */\r | |
986 | // TODO: function comment should end with '--*/'\r | |
987 | // TODO: function comment is missing 'Routine Description:'\r | |
988 | // TODO: function comment is missing 'Arguments:'\r | |
989 | // TODO: function comment is missing 'Returns:'\r | |
990 | // TODO: ScsiDiskDevice - add argument and description to function comment\r | |
991 | // TODO: NeedRetry - add argument and description to function comment\r | |
992 | // TODO: SenseDataArray - add argument and description to function comment\r | |
993 | // TODO: NumberOfSenseKeys - add argument and description to function comment\r | |
994 | // TODO: EFI_DEVICE_ERROR - add return value to function comment\r | |
995 | // TODO: EFI_DEVICE_ERROR - add return value to function comment\r | |
996 | // TODO: EFI_DEVICE_ERROR - add return value to function comment\r | |
997 | // TODO: EFI_DEVICE_ERROR - add return value to function comment\r | |
998 | // TODO: EFI_DEVICE_ERROR - add return value to function comment\r | |
999 | // TODO: EFI_DEVICE_ERROR - add return value to function comment\r | |
1000 | // TODO: EFI_SUCCESS - add return value to function comment\r | |
1001 | // TODO: EFI_DEVICE_ERROR - add return value to function comment\r | |
1002 | // TODO: EFI_DEVICE_ERROR - add return value to function comment\r | |
1003 | {\r | |
1004 | EFI_STATUS Status;\r | |
1005 | UINT8 SenseDataLength;\r | |
1006 | UINT8 HostAdapterStatus;\r | |
1007 | UINT8 TargetStatus;\r | |
1008 | UINT8 Index;\r | |
1009 | UINT8 MaxRetry;\r | |
1010 | \r | |
1011 | SenseDataLength = 0;\r | |
1012 | *NumberOfSenseKeys = 0;\r | |
1013 | \r | |
1014 | //\r | |
1015 | // Parameter 3 and 4: do not require sense data, retrieve it when needed.\r | |
1016 | //\r | |
1017 | Status = SubmitTestUnitReadyCommand (\r | |
1018 | ScsiDiskDevice->ScsiIo,\r | |
1019 | EfiScsiStallSeconds (1),\r | |
1020 | NULL,\r | |
1021 | &SenseDataLength,\r | |
1022 | &HostAdapterStatus,\r | |
1023 | &TargetStatus\r | |
1024 | );\r | |
1025 | switch (Status) {\r | |
1026 | //\r | |
1027 | // no need to check HostAdapterStatus and TargetStatus\r | |
1028 | //\r | |
1029 | case EFI_NOT_READY:\r | |
1030 | *NeedRetry = TRUE;\r | |
1031 | return EFI_DEVICE_ERROR;\r | |
1032 | \r | |
1033 | case EFI_INVALID_PARAMETER:\r | |
1034 | case EFI_UNSUPPORTED:\r | |
1035 | *NeedRetry = FALSE;\r | |
1036 | return EFI_DEVICE_ERROR;\r | |
1037 | \r | |
1038 | //\r | |
1039 | // go ahead to check HostAdapterStatus and TargetStatus\r | |
1040 | //\r | |
1041 | default:\r | |
1042 | break;\r | |
1043 | }\r | |
1044 | \r | |
1045 | Status = CheckHostAdapterStatus (HostAdapterStatus);\r | |
1046 | switch (Status) {\r | |
1047 | case EFI_SUCCESS:\r | |
1048 | break;\r | |
1049 | \r | |
1050 | case EFI_TIMEOUT:\r | |
1051 | case EFI_NOT_READY:\r | |
1052 | *NeedRetry = TRUE;\r | |
1053 | return EFI_DEVICE_ERROR;\r | |
1054 | \r | |
1055 | case EFI_DEVICE_ERROR:\r | |
1056 | //\r | |
1057 | // reset the scsi channel\r | |
1058 | //\r | |
1059 | ScsiDiskDevice->ScsiIo->ResetBus (ScsiDiskDevice->ScsiIo);\r | |
1060 | *NeedRetry = FALSE;\r | |
1061 | return EFI_DEVICE_ERROR;\r | |
1062 | }\r | |
1063 | \r | |
1064 | Status = CheckTargetStatus (TargetStatus);\r | |
1065 | switch (Status) {\r | |
1066 | case EFI_SUCCESS:\r | |
1067 | break;\r | |
1068 | \r | |
1069 | case EFI_NOT_READY:\r | |
1070 | //\r | |
1071 | // reset the scsi device\r | |
1072 | //\r | |
1073 | ScsiDiskDevice->ScsiIo->ResetDevice (ScsiDiskDevice->ScsiIo);\r | |
1074 | *NeedRetry = TRUE;\r | |
1075 | return EFI_DEVICE_ERROR;\r | |
1076 | \r | |
1077 | case EFI_DEVICE_ERROR:\r | |
1078 | *NeedRetry = FALSE;\r | |
1079 | return EFI_DEVICE_ERROR;\r | |
1080 | }\r | |
1081 | \r | |
1082 | MaxRetry = 3;\r | |
1083 | for (Index = 0; Index < MaxRetry; Index++) {\r | |
1084 | \r | |
1085 | Status = ScsiDiskRequestSenseKeys (\r | |
1086 | ScsiDiskDevice,\r | |
1087 | NeedRetry,\r | |
1088 | SenseDataArray,\r | |
1089 | NumberOfSenseKeys,\r | |
1090 | FALSE\r | |
1091 | );\r | |
1092 | if (!EFI_ERROR (Status)) {\r | |
1093 | return EFI_SUCCESS;\r | |
1094 | }\r | |
1095 | \r | |
1096 | if (!*NeedRetry) {\r | |
1097 | return EFI_DEVICE_ERROR;\r | |
1098 | }\r | |
1099 | }\r | |
1100 | //\r | |
1101 | // ScsiDiskRequestSenseKeys() failed after several rounds of retry.\r | |
1102 | // set *NeedRetry = FALSE to avoid the outside caller try again.\r | |
1103 | //\r | |
1104 | *NeedRetry = FALSE;\r | |
1105 | return EFI_DEVICE_ERROR;\r | |
1106 | }\r | |
1107 | \r | |
1108 | EFI_STATUS\r | |
1109 | DetectMediaParsingSenseKeys (\r | |
1110 | SCSI_DISK_DEV *ScsiDiskDevice,\r | |
1111 | EFI_SCSI_SENSE_DATA *SenseData,\r | |
1112 | UINTN NumberOfSenseKeys,\r | |
1113 | UINTN *Action\r | |
1114 | )\r | |
1115 | /*++\r | |
1116 | \r | |
1117 | Routine Description:\r | |
1118 | \r | |
1119 | TODO: Add function description\r | |
1120 | \r | |
1121 | Arguments:\r | |
1122 | \r | |
1123 | ScsiDiskDevice - TODO: add argument description\r | |
1124 | SenseData - TODO: add argument description\r | |
1125 | NumberOfSenseKeys - TODO: add argument description\r | |
1126 | Action - TODO: add argument description\r | |
1127 | \r | |
1128 | Returns:\r | |
1129 | \r | |
1130 | EFI_SUCCESS - TODO: Add description for return value\r | |
1131 | EFI_SUCCESS - TODO: Add description for return value\r | |
1132 | EFI_SUCCESS - TODO: Add description for return value\r | |
1133 | EFI_SUCCESS - TODO: Add description for return value\r | |
1134 | EFI_DEVICE_ERROR - TODO: Add description for return value\r | |
1135 | EFI_DEVICE_ERROR - TODO: Add description for return value\r | |
1136 | EFI_SUCCESS - TODO: Add description for return value\r | |
1137 | EFI_DEVICE_ERROR - TODO: Add description for return value\r | |
1138 | EFI_SUCCESS - TODO: Add description for return value\r | |
1139 | \r | |
1140 | --*/\r | |
1141 | {\r | |
1142 | BOOLEAN RetryLater;\r | |
1143 | \r | |
1144 | //\r | |
1145 | // Default is to read capacity, unless..\r | |
1146 | //\r | |
1147 | *Action = ACTION_READ_CAPACITY;\r | |
1148 | \r | |
1149 | if (NumberOfSenseKeys == 0) {\r | |
1150 | *Action = ACTION_NO_ACTION;\r | |
1151 | return EFI_SUCCESS;\r | |
1152 | }\r | |
1153 | \r | |
1154 | if (!ScsiDiskHaveSenseKey (SenseData, NumberOfSenseKeys)) {\r | |
1155 | //\r | |
1156 | // No Sense Key returned from last submitted command\r | |
1157 | //\r | |
1158 | *Action = ACTION_NO_ACTION;\r | |
1159 | return EFI_SUCCESS;\r | |
1160 | }\r | |
1161 | \r | |
1162 | if (ScsiDiskIsNoMedia (SenseData, NumberOfSenseKeys)) {\r | |
1163 | ScsiDiskDevice->BlkIo.Media->MediaPresent = FALSE;\r | |
1164 | ScsiDiskDevice->BlkIo.Media->LastBlock = 0;\r | |
1165 | *Action = ACTION_NO_ACTION;\r | |
1166 | return EFI_SUCCESS;\r | |
1167 | }\r | |
1168 | \r | |
1169 | if (ScsiDiskIsMediaChange (SenseData, NumberOfSenseKeys)) {\r | |
1170 | ScsiDiskDevice->BlkIo.Media->MediaId++;\r | |
1171 | return EFI_SUCCESS;\r | |
1172 | }\r | |
1173 | \r | |
1174 | if (ScsiDiskIsMediaError (SenseData, NumberOfSenseKeys)) {\r | |
1175 | ScsiDiskDevice->BlkIo.Media->MediaPresent = FALSE;\r | |
1176 | ScsiDiskDevice->BlkIo.Media->LastBlock = 0;\r | |
1177 | return EFI_DEVICE_ERROR;\r | |
1178 | }\r | |
1179 | \r | |
1180 | if (ScsiDiskIsHardwareError (SenseData, NumberOfSenseKeys)) {\r | |
1181 | return EFI_DEVICE_ERROR;\r | |
1182 | }\r | |
1183 | \r | |
1184 | if (!ScsiDiskIsDriveReady (SenseData, NumberOfSenseKeys, &RetryLater)) {\r | |
1185 | if (RetryLater) {\r | |
1186 | *Action = ACTION_RETRY_COMMAND_LATER;\r | |
1187 | return EFI_SUCCESS;\r | |
1188 | }\r | |
1189 | \r | |
1190 | return EFI_DEVICE_ERROR;\r | |
1191 | }\r | |
1192 | \r | |
1193 | return EFI_SUCCESS;\r | |
1194 | }\r | |
1195 | \r | |
1196 | EFI_STATUS\r | |
1197 | ScsiDiskReadCapacity (\r | |
1198 | SCSI_DISK_DEV *ScsiDiskDevice,\r | |
1199 | BOOLEAN *NeedRetry,\r | |
1200 | EFI_SCSI_SENSE_DATA **SenseDataArray,\r | |
1201 | UINTN *NumberOfSenseKeys\r | |
1202 | )\r | |
1203 | /*++\r | |
1204 | \r | |
1205 | Routine Description:\r | |
1206 | \r | |
1207 | TODO: Add function description\r | |
1208 | \r | |
1209 | Arguments:\r | |
1210 | \r | |
1211 | ScsiDiskDevice - TODO: add argument description\r | |
1212 | NeedRetry - TODO: add argument description\r | |
1213 | SenseDataArray - TODO: add argument description\r | |
1214 | NumberOfSenseKeys - TODO: add argument description\r | |
1215 | \r | |
1216 | Returns:\r | |
1217 | \r | |
1218 | EFI_SUCCESS - TODO: Add description for return value\r | |
1219 | EFI_DEVICE_ERROR - TODO: Add description for return value\r | |
1220 | EFI_DEVICE_ERROR - TODO: Add description for return value\r | |
1221 | EFI_DEVICE_ERROR - TODO: Add description for return value\r | |
1222 | EFI_DEVICE_ERROR - TODO: Add description for return value\r | |
1223 | EFI_DEVICE_ERROR - TODO: Add description for return value\r | |
1224 | EFI_DEVICE_ERROR - TODO: Add description for return value\r | |
1225 | EFI_DEVICE_ERROR - TODO: Add description for return value\r | |
1226 | EFI_DEVICE_ERROR - TODO: Add description for return value\r | |
1227 | EFI_DEVICE_ERROR - TODO: Add description for return value\r | |
1228 | \r | |
1229 | --*/\r | |
1230 | {\r | |
1231 | EFI_SCSI_DISK_CAPACITY_DATA CapacityData;\r | |
1232 | UINT32 DataLength;\r | |
1233 | UINT8 HostAdapterStatus;\r | |
1234 | UINT8 TargetStatus;\r | |
1235 | EFI_STATUS CommandStatus;\r | |
1236 | EFI_STATUS Status;\r | |
1237 | UINT8 Index;\r | |
1238 | UINT8 MaxRetry;\r | |
1239 | UINT8 SenseDataLength;\r | |
1240 | \r | |
1241 | SenseDataLength = 0;\r | |
1242 | ZeroMem (&CapacityData, sizeof (EFI_SCSI_DISK_CAPACITY_DATA));\r | |
1243 | DataLength = sizeof (EFI_SCSI_DISK_CAPACITY_DATA);\r | |
1244 | \r | |
1245 | *NumberOfSenseKeys = 0;\r | |
1246 | *NeedRetry = FALSE;\r | |
1247 | //\r | |
1248 | // submit Read Capacity Command. in this call,not request sense data\r | |
1249 | //\r | |
1250 | CommandStatus = SubmitReadCapacityCommand (\r | |
1251 | ScsiDiskDevice->ScsiIo,\r | |
1252 | EfiScsiStallSeconds (1),\r | |
1253 | NULL,\r | |
1254 | &SenseDataLength,\r | |
1255 | &HostAdapterStatus,\r | |
1256 | &TargetStatus,\r | |
1257 | (VOID *) &CapacityData,\r | |
1258 | &DataLength,\r | |
1259 | FALSE\r | |
1260 | );\r | |
1261 | switch (CommandStatus) {\r | |
1262 | //\r | |
1263 | // no need to check HostAdapterStatus and TargetStatus\r | |
1264 | //\r | |
1265 | case EFI_SUCCESS:\r | |
1266 | GetMediaInfo (ScsiDiskDevice, &CapacityData);\r | |
1267 | return EFI_SUCCESS;\r | |
1268 | \r | |
1269 | case EFI_NOT_READY:\r | |
1270 | *NeedRetry = TRUE;\r | |
1271 | return EFI_DEVICE_ERROR;\r | |
1272 | \r | |
1273 | case EFI_INVALID_PARAMETER:\r | |
1274 | case EFI_UNSUPPORTED:\r | |
1275 | *NeedRetry = FALSE;\r | |
1276 | return EFI_DEVICE_ERROR;\r | |
1277 | \r | |
1278 | //\r | |
1279 | // go ahead to check HostAdapterStatus and TargetStatus\r | |
1280 | // (EFI_TIMEOUT, EFI_DEVICE_ERROR, EFI_WARN_BUFFER_TOO_SMALL)\r | |
1281 | //\r | |
1282 | default:\r | |
1283 | break;\r | |
1284 | }\r | |
1285 | \r | |
1286 | Status = CheckHostAdapterStatus (HostAdapterStatus);\r | |
1287 | switch (Status) {\r | |
1288 | case EFI_SUCCESS:\r | |
1289 | break;\r | |
1290 | \r | |
1291 | case EFI_TIMEOUT:\r | |
1292 | case EFI_NOT_READY:\r | |
1293 | *NeedRetry = TRUE;\r | |
1294 | return EFI_DEVICE_ERROR;\r | |
1295 | \r | |
1296 | case EFI_DEVICE_ERROR:\r | |
1297 | //\r | |
1298 | // reset the scsi channel\r | |
1299 | //\r | |
1300 | ScsiDiskDevice->ScsiIo->ResetBus (ScsiDiskDevice->ScsiIo);\r | |
1301 | *NeedRetry = FALSE;\r | |
1302 | return EFI_DEVICE_ERROR;\r | |
1303 | }\r | |
1304 | \r | |
1305 | Status = CheckTargetStatus (TargetStatus);\r | |
1306 | switch (Status) {\r | |
1307 | case EFI_SUCCESS:\r | |
1308 | break;\r | |
1309 | \r | |
1310 | case EFI_NOT_READY:\r | |
1311 | //\r | |
1312 | // reset the scsi device\r | |
1313 | //\r | |
1314 | ScsiDiskDevice->ScsiIo->ResetDevice (ScsiDiskDevice->ScsiIo);\r | |
1315 | *NeedRetry = TRUE;\r | |
1316 | return EFI_DEVICE_ERROR;\r | |
1317 | \r | |
1318 | case EFI_DEVICE_ERROR:\r | |
1319 | *NeedRetry = FALSE;\r | |
1320 | return EFI_DEVICE_ERROR;\r | |
1321 | }\r | |
1322 | \r | |
1323 | //\r | |
1324 | // if goes here, meant SubmitReadCapacityCommand() failed.\r | |
1325 | // if ScsiDiskRequestSenseKeys() succeeds at last,\r | |
1326 | // better retry SubmitReadCapacityCommand(). (by setting *NeedRetry = TRUE)\r | |
1327 | //\r | |
1328 | MaxRetry = 3;\r | |
1329 | for (Index = 0; Index < MaxRetry; Index++) {\r | |
1330 | \r | |
1331 | Status = ScsiDiskRequestSenseKeys (\r | |
1332 | ScsiDiskDevice,\r | |
1333 | NeedRetry,\r | |
1334 | SenseDataArray,\r | |
1335 | NumberOfSenseKeys,\r | |
1336 | TRUE\r | |
1337 | );\r | |
1338 | if (!EFI_ERROR (Status)) {\r | |
1339 | *NeedRetry = TRUE;\r | |
1340 | return EFI_DEVICE_ERROR;\r | |
1341 | }\r | |
1342 | \r | |
1343 | if (!*NeedRetry) {\r | |
1344 | return EFI_DEVICE_ERROR;\r | |
1345 | }\r | |
1346 | }\r | |
1347 | //\r | |
1348 | // ScsiDiskRequestSenseKeys() failed after several rounds of retry.\r | |
1349 | // set *NeedRetry = FALSE to avoid the outside caller try again.\r | |
1350 | //\r | |
1351 | *NeedRetry = FALSE;\r | |
1352 | return EFI_DEVICE_ERROR;\r | |
1353 | }\r | |
1354 | \r | |
1355 | EFI_STATUS\r | |
1356 | CheckHostAdapterStatus (\r | |
1357 | UINT8 HostAdapterStatus\r | |
1358 | )\r | |
1359 | /*++\r | |
1360 | \r | |
1361 | Routine Description:\r | |
1362 | \r | |
1363 | TODO: Add function description\r | |
1364 | \r | |
1365 | Arguments:\r | |
1366 | \r | |
1367 | HostAdapterStatus - TODO: add argument description\r | |
1368 | \r | |
1369 | Returns:\r | |
1370 | \r | |
1371 | EFI_SUCCESS - TODO: Add description for return value\r | |
1372 | EFI_TIMEOUT - TODO: Add description for return value\r | |
1373 | EFI_NOT_READY - TODO: Add description for return value\r | |
1374 | EFI_DEVICE_ERROR - TODO: Add description for return value\r | |
1375 | EFI_SUCCESS - TODO: Add description for return value\r | |
1376 | \r | |
1377 | --*/\r | |
1378 | {\r | |
1379 | switch (HostAdapterStatus) {\r | |
1380 | case EFI_SCSI_IO_STATUS_HOST_ADAPTER_OK:\r | |
1381 | return EFI_SUCCESS;\r | |
1382 | \r | |
1383 | case EFI_SCSI_IO_STATUS_HOST_ADAPTER_SELECTION_TIMEOUT:\r | |
1384 | case EFI_SCSI_IO_STATUS_HOST_ADAPTER_TIMEOUT:\r | |
1385 | case EFI_SCSI_IO_STATUS_HOST_ADAPTER_TIMEOUT_COMMAND:\r | |
1386 | return EFI_TIMEOUT;\r | |
1387 | \r | |
1388 | case EFI_SCSI_IO_STATUS_HOST_ADAPTER_MESSAGE_REJECT:\r | |
1389 | case EFI_SCSI_IO_STATUS_HOST_ADAPTER_PARITY_ERROR:\r | |
1390 | case EFI_SCSI_IO_STATUS_HOST_ADAPTER_REQUEST_SENSE_FAILED:\r | |
1391 | case EFI_SCSI_IO_STATUS_HOST_ADAPTER_DATA_OVERRUN_UNDERRUN:\r | |
1392 | case EFI_SCSI_IO_STATUS_HOST_ADAPTER_BUS_RESET:\r | |
1393 | return EFI_NOT_READY;\r | |
1394 | \r | |
1395 | case EFI_SCSI_IO_STATUS_HOST_ADAPTER_BUS_FREE:\r | |
1396 | case EFI_SCSI_IO_STATUS_HOST_ADAPTER_PHASE_ERROR:\r | |
1397 | return EFI_DEVICE_ERROR;\r | |
1398 | \r | |
1399 | default:\r | |
1400 | return EFI_SUCCESS;\r | |
1401 | }\r | |
1402 | }\r | |
1403 | \r | |
1404 | EFI_STATUS\r | |
1405 | CheckTargetStatus (\r | |
1406 | UINT8 TargetStatus\r | |
1407 | )\r | |
1408 | /*++\r | |
1409 | \r | |
1410 | Routine Description:\r | |
1411 | \r | |
1412 | TODO: Add function description\r | |
1413 | \r | |
1414 | Arguments:\r | |
1415 | \r | |
1416 | TargetStatus - TODO: add argument description\r | |
1417 | \r | |
1418 | Returns:\r | |
1419 | \r | |
1420 | EFI_SUCCESS - TODO: Add description for return value\r | |
1421 | EFI_NOT_READY - TODO: Add description for return value\r | |
1422 | EFI_DEVICE_ERROR - TODO: Add description for return value\r | |
1423 | EFI_SUCCESS - TODO: Add description for return value\r | |
1424 | \r | |
1425 | --*/\r | |
1426 | {\r | |
1427 | switch (TargetStatus) {\r | |
1428 | case EFI_SCSI_IO_STATUS_TARGET_GOOD:\r | |
1429 | case EFI_SCSI_IO_STATUS_TARGET_CHECK_CONDITION:\r | |
1430 | case EFI_SCSI_IO_STATUS_TARGET_CONDITION_MET:\r | |
1431 | return EFI_SUCCESS;\r | |
1432 | \r | |
1433 | case EFI_SCSI_IO_STATUS_TARGET_INTERMEDIATE:\r | |
1434 | case EFI_SCSI_IO_STATUS_TARGET_INTERMEDIATE_CONDITION_MET:\r | |
1435 | case EFI_SCSI_IO_STATUS_TARGET_BUSY:\r | |
1436 | case EFI_SCSI_IO_STATUS_TARGET_COMMOND_TERMINATED:\r | |
1437 | case EFI_SCSI_IO_STATUS_TARGET_QUEUE_FULL:\r | |
1438 | return EFI_NOT_READY;\r | |
1439 | \r | |
1440 | case EFI_SCSI_IO_STATUS_TARGET_RESERVATION_CONFLICT:\r | |
1441 | return EFI_DEVICE_ERROR;\r | |
1442 | break;\r | |
1443 | \r | |
1444 | default:\r | |
1445 | return EFI_SUCCESS;\r | |
1446 | }\r | |
1447 | }\r | |
1448 | \r | |
1449 | EFI_STATUS\r | |
1450 | ScsiDiskRequestSenseKeys (\r | |
1451 | SCSI_DISK_DEV *ScsiDiskDevice,\r | |
1452 | BOOLEAN *NeedRetry,\r | |
1453 | EFI_SCSI_SENSE_DATA **SenseDataArray,\r | |
1454 | UINTN *NumberOfSenseKeys,\r | |
1455 | BOOLEAN AskResetIfError\r | |
1456 | )\r | |
1457 | // TODO: function comment should start with '/*++'\r | |
1458 | /*\r | |
1459 | Retrieve all sense keys from the device.\r | |
1460 | When encountering error during the process,\r | |
1461 | if retrieve sense keys before error encounterred,\r | |
1462 | return the sense keys with return status set to EFI_SUCCESS,\r | |
1463 | and NeedRetry set to FALSE; otherwize, return the proper return\r | |
1464 | status.\r | |
1465 | */\r | |
1466 | // TODO: function comment should end with '--*/'\r | |
1467 | // TODO: function comment is missing 'Routine Description:'\r | |
1468 | // TODO: function comment is missing 'Arguments:'\r | |
1469 | // TODO: function comment is missing 'Returns:'\r | |
1470 | // TODO: ScsiDiskDevice - add argument and description to function comment\r | |
1471 | // TODO: NeedRetry - add argument and description to function comment\r | |
1472 | // TODO: SenseDataArray - add argument and description to function comment\r | |
1473 | // TODO: NumberOfSenseKeys - add argument and description to function comment\r | |
1474 | // TODO: AskResetIfError - add argument and description to function comment\r | |
1475 | // TODO: EFI_SUCCESS - add return value to function comment\r | |
1476 | // TODO: EFI_DEVICE_ERROR - add return value to function comment\r | |
1477 | // TODO: EFI_SUCCESS - add return value to function comment\r | |
1478 | {\r | |
1479 | EFI_SCSI_SENSE_DATA *PtrSenseData;\r | |
1480 | UINT8 SenseDataLength;\r | |
1481 | BOOLEAN SenseReq;\r | |
1482 | EFI_STATUS Status;\r | |
1483 | EFI_STATUS FallStatus;\r | |
1484 | UINT8 HostAdapterStatus;\r | |
1485 | UINT8 TargetStatus;\r | |
1486 | \r | |
1487 | FallStatus = EFI_SUCCESS;\r | |
1488 | SenseDataLength = sizeof (EFI_SCSI_SENSE_DATA);\r | |
1489 | \r | |
1490 | ZeroMem (\r | |
1491 | ScsiDiskDevice->SenseData,\r | |
1492 | sizeof (EFI_SCSI_SENSE_DATA) * (ScsiDiskDevice->SenseDataNumber)\r | |
1493 | );\r | |
1494 | \r | |
1495 | *NumberOfSenseKeys = 0;\r | |
1496 | *SenseDataArray = ScsiDiskDevice->SenseData;\r | |
1497 | PtrSenseData = ScsiDiskDevice->SenseData;\r | |
1498 | \r | |
1499 | for (SenseReq = TRUE; SenseReq;) {\r | |
1500 | \r | |
1501 | Status = SubmitRequestSenseCommand (\r | |
1502 | ScsiDiskDevice->ScsiIo,\r | |
1503 | EfiScsiStallSeconds (2),\r | |
1504 | PtrSenseData,\r | |
1505 | &SenseDataLength,\r | |
1506 | &HostAdapterStatus,\r | |
1507 | &TargetStatus\r | |
1508 | );\r | |
1509 | switch (Status) {\r | |
1510 | \r | |
1511 | case EFI_SUCCESS:\r | |
1512 | \r | |
1513 | //\r | |
1514 | // fall through\r | |
1515 | //\r | |
1516 | case EFI_WARN_BUFFER_TOO_SMALL:\r | |
1517 | FallStatus = EFI_SUCCESS;\r | |
1518 | break;\r | |
1519 | \r | |
1520 | case EFI_TIMEOUT:\r | |
1521 | \r | |
1522 | //\r | |
1523 | // fall through\r | |
1524 | //\r | |
1525 | case EFI_NOT_READY:\r | |
1526 | *NeedRetry = TRUE;\r | |
1527 | FallStatus = EFI_DEVICE_ERROR;\r | |
1528 | break;\r | |
1529 | \r | |
1530 | case EFI_INVALID_PARAMETER:\r | |
1531 | case EFI_UNSUPPORTED:\r | |
1532 | *NeedRetry = FALSE;\r | |
1533 | FallStatus = EFI_DEVICE_ERROR;\r | |
1534 | break;\r | |
1535 | \r | |
1536 | case EFI_DEVICE_ERROR:\r | |
1537 | if (AskResetIfError) {\r | |
1538 | ScsiDiskDevice->ScsiIo->ResetDevice (ScsiDiskDevice->ScsiIo);\r | |
1539 | }\r | |
1540 | \r | |
1541 | FallStatus = EFI_DEVICE_ERROR;\r | |
1542 | break;\r | |
1543 | }\r | |
1544 | \r | |
1545 | if (EFI_ERROR (FallStatus)) {\r | |
1546 | if (*NumberOfSenseKeys != 0) {\r | |
1547 | *NeedRetry = FALSE;\r | |
1548 | return EFI_SUCCESS;\r | |
1549 | } else {\r | |
1550 | return EFI_DEVICE_ERROR;\r | |
1551 | }\r | |
1552 | }\r | |
1553 | \r | |
1554 | (*NumberOfSenseKeys) += 1;\r | |
1555 | \r | |
1556 | //\r | |
1557 | // no more sense key or number of sense keys exceeds predefined,\r | |
1558 | // skip the loop.\r | |
1559 | //\r | |
1560 | if ((PtrSenseData->Sense_Key == EFI_SCSI_SK_NO_SENSE) || \r | |
1561 | (*NumberOfSenseKeys == ScsiDiskDevice->SenseDataNumber)) {\r | |
1562 | SenseReq = FALSE;\r | |
1563 | }\r | |
1564 | \r | |
1565 | PtrSenseData += 1;\r | |
1566 | \r | |
1567 | }\r | |
1568 | \r | |
1569 | return EFI_SUCCESS;\r | |
1570 | }\r | |
1571 | \r | |
1572 | VOID\r | |
1573 | GetMediaInfo (\r | |
1574 | SCSI_DISK_DEV *ScsiDiskDevice,\r | |
1575 | EFI_SCSI_DISK_CAPACITY_DATA *Capacity\r | |
1576 | )\r | |
1577 | /*++\r | |
1578 | \r | |
1579 | Routine Description:\r | |
1580 | \r | |
1581 | TODO: Add function description\r | |
1582 | \r | |
1583 | Arguments:\r | |
1584 | \r | |
1585 | ScsiDiskDevice - TODO: add argument description\r | |
1586 | Capacity - TODO: add argument description\r | |
1587 | \r | |
1588 | Returns:\r | |
1589 | \r | |
1590 | TODO: add return values\r | |
1591 | \r | |
1592 | --*/\r | |
1593 | {\r | |
1594 | ScsiDiskDevice->BlkIo.Media->LastBlock = (Capacity->LastLba3 << 24) |\r | |
1595 | (Capacity->LastLba2 << 16) |\r | |
1596 | (Capacity->LastLba1 << 8) |\r | |
1597 | Capacity->LastLba0;\r | |
1598 | \r | |
1599 | ScsiDiskDevice->BlkIo.Media->MediaPresent = TRUE;\r | |
1600 | ScsiDiskDevice->BlkIo.Media->BlockSize = (Capacity->BlockSize3 << 24) |\r | |
1601 | (Capacity->BlockSize2 << 16) | \r | |
1602 | (Capacity->BlockSize1 << 8) |\r | |
1603 | Capacity->BlockSize0;\r | |
1604 | if (ScsiDiskDevice->DeviceType == EFI_SCSI_TYPE_DISK) {\r | |
1605 | ScsiDiskDevice->BlkIo.Media->BlockSize = 0x200;\r | |
1606 | }\r | |
1607 | \r | |
1608 | if (ScsiDiskDevice->DeviceType == EFI_SCSI_TYPE_CDROM) {\r | |
1609 | ScsiDiskDevice->BlkIo.Media->BlockSize = 0x800;\r | |
1610 | }\r | |
1611 | }\r | |
1612 | \r | |
1613 | VOID\r | |
1614 | ParseInquiryData (\r | |
1615 | SCSI_DISK_DEV *ScsiDiskDevice\r | |
1616 | )\r | |
1617 | /*++\r | |
1618 | \r | |
1619 | Routine Description:\r | |
1620 | \r | |
1621 | TODO: Add function description\r | |
1622 | \r | |
1623 | Arguments:\r | |
1624 | \r | |
1625 | ScsiDiskDevice - TODO: add argument description\r | |
1626 | \r | |
1627 | Returns:\r | |
1628 | \r | |
1629 | TODO: add return values\r | |
1630 | \r | |
1631 | --*/\r | |
1632 | {\r | |
1633 | ScsiDiskDevice->FixedDevice = (BOOLEAN) (ScsiDiskDevice->InquiryData.RMB ? 0 : 1);\r | |
1634 | ScsiDiskDevice->BlkIoMedia.RemovableMedia = (BOOLEAN) (!ScsiDiskDevice->FixedDevice);\r | |
1635 | }\r | |
1636 | \r | |
1637 | EFI_STATUS\r | |
1638 | ScsiDiskReadSectors (\r | |
1639 | SCSI_DISK_DEV *ScsiDiskDevice,\r | |
1640 | VOID *Buffer,\r | |
1641 | EFI_LBA Lba,\r | |
1642 | UINTN NumberOfBlocks\r | |
1643 | )\r | |
1644 | /*++\r | |
1645 | \r | |
1646 | Routine Description:\r | |
1647 | \r | |
1648 | TODO: Add function description\r | |
1649 | \r | |
1650 | Arguments:\r | |
1651 | \r | |
1652 | ScsiDiskDevice - TODO: add argument description\r | |
1653 | Buffer - TODO: add argument description\r | |
1654 | Lba - TODO: add argument description\r | |
1655 | NumberOfBlocks - TODO: add argument description\r | |
1656 | \r | |
1657 | Returns:\r | |
1658 | \r | |
1659 | EFI_DEVICE_ERROR - TODO: Add description for return value\r | |
1660 | EFI_DEVICE_ERROR - TODO: Add description for return value\r | |
1661 | EFI_SUCCESS - TODO: Add description for return value\r | |
1662 | \r | |
1663 | --*/\r | |
1664 | {\r | |
1665 | UINTN BlocksRemaining;\r | |
1666 | UINT32 Lba32;\r | |
1667 | UINT8 *PtrBuffer;\r | |
1668 | UINT32 BlockSize;\r | |
1669 | UINT32 ByteCount;\r | |
1670 | UINT32 MaxBlock;\r | |
1671 | UINT32 SectorCount;\r | |
1672 | UINT64 Timeout;\r | |
1673 | EFI_STATUS Status;\r | |
1674 | UINT8 Index;\r | |
1675 | UINT8 MaxRetry;\r | |
1676 | BOOLEAN NeedRetry;\r | |
1677 | EFI_SCSI_SENSE_DATA *SenseData;\r | |
1678 | UINT8 SenseDataLength;\r | |
1679 | UINTN NumberOfSenseKeys;\r | |
1680 | \r | |
1681 | SenseData = NULL;\r | |
1682 | SenseDataLength = 0;\r | |
1683 | NumberOfSenseKeys = 0;\r | |
1684 | \r | |
1685 | Status = EFI_SUCCESS;\r | |
1686 | \r | |
1687 | BlocksRemaining = NumberOfBlocks;\r | |
1688 | BlockSize = ScsiDiskDevice->BlkIo.Media->BlockSize;\r | |
1689 | //\r | |
1690 | // limit the data bytes that can be transferred by one Read(10) Command\r | |
1691 | //\r | |
1692 | MaxBlock = 65536;\r | |
1693 | \r | |
1694 | PtrBuffer = Buffer;\r | |
1695 | Lba32 = (UINT32) Lba;\r | |
1696 | \r | |
1697 | while (BlocksRemaining > 0) {\r | |
1698 | \r | |
1699 | if (BlocksRemaining <= MaxBlock) {\r | |
1700 | \r | |
1701 | SectorCount = (UINT16) BlocksRemaining;\r | |
1702 | } else {\r | |
1703 | \r | |
1704 | SectorCount = MaxBlock;\r | |
1705 | }\r | |
1706 | \r | |
1707 | ByteCount = SectorCount * BlockSize;\r | |
1708 | Timeout = EfiScsiStallSeconds (2);\r | |
1709 | \r | |
1710 | MaxRetry = 2;\r | |
1711 | for (Index = 0; Index < MaxRetry; Index++) {\r | |
1712 | \r | |
1713 | Status = ScsiDiskRead10 (\r | |
1714 | ScsiDiskDevice,\r | |
1715 | &NeedRetry,\r | |
1716 | &SenseData,\r | |
1717 | &NumberOfSenseKeys,\r | |
1718 | Timeout,\r | |
1719 | PtrBuffer,\r | |
1720 | &ByteCount,\r | |
1721 | Lba32,\r | |
1722 | SectorCount\r | |
1723 | );\r | |
1724 | if (!EFI_ERROR (Status)) {\r | |
1725 | break;\r | |
1726 | }\r | |
1727 | \r | |
1728 | if (!NeedRetry) {\r | |
1729 | return EFI_DEVICE_ERROR;\r | |
1730 | }\r | |
1731 | \r | |
1732 | }\r | |
1733 | \r | |
1734 | if ((Index == MaxRetry) && (Status != EFI_SUCCESS)) {\r | |
1735 | return EFI_DEVICE_ERROR;\r | |
1736 | }\r | |
1737 | \r | |
1738 | //\r | |
1739 | // actual transferred sectors\r | |
1740 | //\r | |
1741 | SectorCount = ByteCount / BlockSize;\r | |
1742 | \r | |
1743 | Lba32 += SectorCount;\r | |
1744 | PtrBuffer = PtrBuffer + SectorCount * BlockSize;\r | |
1745 | BlocksRemaining -= SectorCount;\r | |
1746 | }\r | |
1747 | \r | |
1748 | return EFI_SUCCESS;\r | |
1749 | }\r | |
1750 | \r | |
1751 | EFI_STATUS\r | |
1752 | ScsiDiskWriteSectors (\r | |
1753 | SCSI_DISK_DEV *ScsiDiskDevice,\r | |
1754 | VOID *Buffer,\r | |
1755 | EFI_LBA Lba,\r | |
1756 | UINTN NumberOfBlocks\r | |
1757 | )\r | |
1758 | /*++\r | |
1759 | \r | |
1760 | Routine Description:\r | |
1761 | \r | |
1762 | TODO: Add function description\r | |
1763 | \r | |
1764 | Arguments:\r | |
1765 | \r | |
1766 | ScsiDiskDevice - TODO: add argument description\r | |
1767 | Buffer - TODO: add argument description\r | |
1768 | Lba - TODO: add argument description\r | |
1769 | NumberOfBlocks - TODO: add argument description\r | |
1770 | \r | |
1771 | Returns:\r | |
1772 | \r | |
1773 | EFI_DEVICE_ERROR - TODO: Add description for return value\r | |
1774 | EFI_DEVICE_ERROR - TODO: Add description for return value\r | |
1775 | EFI_SUCCESS - TODO: Add description for return value\r | |
1776 | \r | |
1777 | --*/\r | |
1778 | {\r | |
1779 | UINTN BlocksRemaining;\r | |
1780 | UINT32 Lba32;\r | |
1781 | UINT8 *PtrBuffer;\r | |
1782 | UINT32 BlockSize;\r | |
1783 | UINT32 ByteCount;\r | |
1784 | UINT32 MaxBlock;\r | |
1785 | UINT32 SectorCount;\r | |
1786 | UINT64 Timeout;\r | |
1787 | EFI_STATUS Status;\r | |
1788 | UINT8 Index;\r | |
1789 | UINT8 MaxRetry;\r | |
1790 | BOOLEAN NeedRetry;\r | |
1791 | EFI_SCSI_SENSE_DATA *SenseData;\r | |
1792 | UINT8 SenseDataLength;\r | |
1793 | UINTN NumberOfSenseKeys;\r | |
1794 | \r | |
1795 | SenseData = NULL;\r | |
1796 | SenseDataLength = 0;\r | |
1797 | NumberOfSenseKeys = 0;\r | |
1798 | \r | |
1799 | Status = EFI_SUCCESS;\r | |
1800 | \r | |
1801 | BlocksRemaining = NumberOfBlocks;\r | |
1802 | BlockSize = ScsiDiskDevice->BlkIo.Media->BlockSize;\r | |
1803 | //\r | |
1804 | // limit the data bytes that can be transferred by one Write(10) Command\r | |
1805 | //\r | |
1806 | MaxBlock = 65536;\r | |
1807 | \r | |
1808 | PtrBuffer = Buffer;\r | |
1809 | Lba32 = (UINT32) Lba;\r | |
1810 | \r | |
1811 | while (BlocksRemaining > 0) {\r | |
1812 | \r | |
1813 | if (BlocksRemaining <= MaxBlock) {\r | |
1814 | \r | |
1815 | SectorCount = (UINT16) BlocksRemaining;\r | |
1816 | } else {\r | |
1817 | \r | |
1818 | SectorCount = MaxBlock;\r | |
1819 | }\r | |
1820 | \r | |
1821 | ByteCount = SectorCount * BlockSize;\r | |
1822 | Timeout = EfiScsiStallSeconds (2);\r | |
1823 | MaxRetry = 2;\r | |
1824 | for (Index = 0; Index < MaxRetry; Index++) {\r | |
1825 | Status = ScsiDiskWrite10 (\r | |
1826 | ScsiDiskDevice,\r | |
1827 | &NeedRetry,\r | |
1828 | &SenseData,\r | |
1829 | &NumberOfSenseKeys,\r | |
1830 | Timeout,\r | |
1831 | PtrBuffer,\r | |
1832 | &ByteCount,\r | |
1833 | Lba32,\r | |
1834 | SectorCount\r | |
1835 | );\r | |
1836 | if (!EFI_ERROR (Status)) {\r | |
1837 | break;\r | |
1838 | }\r | |
1839 | \r | |
1840 | if (!NeedRetry) {\r | |
1841 | return EFI_DEVICE_ERROR;\r | |
1842 | }\r | |
1843 | }\r | |
1844 | \r | |
1845 | if ((Index == MaxRetry) && (Status != EFI_SUCCESS)) {\r | |
1846 | return EFI_DEVICE_ERROR;\r | |
1847 | }\r | |
1848 | //\r | |
1849 | // actual transferred sectors\r | |
1850 | //\r | |
1851 | SectorCount = ByteCount / BlockSize;\r | |
1852 | \r | |
1853 | Lba32 += SectorCount;\r | |
1854 | PtrBuffer = PtrBuffer + SectorCount * BlockSize;\r | |
1855 | BlocksRemaining -= SectorCount;\r | |
1856 | }\r | |
1857 | \r | |
1858 | return EFI_SUCCESS;\r | |
1859 | }\r | |
1860 | \r | |
1861 | EFI_STATUS\r | |
1862 | ScsiDiskRead10 (\r | |
1863 | SCSI_DISK_DEV *ScsiDiskDevice,\r | |
1864 | BOOLEAN *NeedRetry,\r | |
1865 | EFI_SCSI_SENSE_DATA **SenseDataArray,\r | |
1866 | UINTN *NumberOfSenseKeys,\r | |
1867 | UINT64 Timeout,\r | |
1868 | UINT8 *DataBuffer,\r | |
1869 | UINT32 *DataLength,\r | |
1870 | UINT32 StartLba,\r | |
1871 | UINT32 SectorSize\r | |
1872 | )\r | |
1873 | /*++\r | |
1874 | \r | |
1875 | Routine Description:\r | |
1876 | \r | |
1877 | TODO: Add function description\r | |
1878 | \r | |
1879 | Arguments:\r | |
1880 | \r | |
1881 | ScsiDiskDevice - TODO: add argument description\r | |
1882 | NeedRetry - TODO: add argument description\r | |
1883 | SenseDataArray - TODO: add argument description\r | |
1884 | NumberOfSenseKeys - TODO: add argument description\r | |
1885 | Timeout - TODO: add argument description\r | |
1886 | DataBuffer - TODO: add argument description\r | |
1887 | DataLength - TODO: add argument description\r | |
1888 | StartLba - TODO: add argument description\r | |
1889 | SectorSize - TODO: add argument description\r | |
1890 | \r | |
1891 | Returns:\r | |
1892 | \r | |
1893 | TODO: add return values\r | |
1894 | \r | |
1895 | --*/\r | |
1896 | {\r | |
1897 | UINT8 SenseDataLength;\r | |
1898 | EFI_STATUS Status;\r | |
1899 | UINT8 HostAdapterStatus;\r | |
1900 | UINT8 TargetStatus;\r | |
1901 | \r | |
1902 | *NeedRetry = FALSE;\r | |
1903 | *NumberOfSenseKeys = 0;\r | |
1904 | SenseDataLength = 0;\r | |
1905 | Status = SubmitRead10Command (\r | |
1906 | ScsiDiskDevice->ScsiIo,\r | |
1907 | Timeout,\r | |
1908 | NULL,\r | |
1909 | &SenseDataLength,\r | |
1910 | &HostAdapterStatus,\r | |
1911 | &TargetStatus,\r | |
1912 | DataBuffer,\r | |
1913 | DataLength,\r | |
1914 | StartLba,\r | |
1915 | SectorSize\r | |
1916 | );\r | |
1917 | return Status;\r | |
1918 | }\r | |
1919 | \r | |
1920 | EFI_STATUS\r | |
1921 | ScsiDiskWrite10 (\r | |
1922 | SCSI_DISK_DEV *ScsiDiskDevice,\r | |
1923 | BOOLEAN *NeedRetry,\r | |
1924 | EFI_SCSI_SENSE_DATA **SenseDataArray,\r | |
1925 | UINTN *NumberOfSenseKeys,\r | |
1926 | UINT64 Timeout,\r | |
1927 | UINT8 *DataBuffer,\r | |
1928 | UINT32 *DataLength,\r | |
1929 | UINT32 StartLba,\r | |
1930 | UINT32 SectorSize\r | |
1931 | )\r | |
1932 | /*++\r | |
1933 | \r | |
1934 | Routine Description:\r | |
1935 | \r | |
1936 | TODO: Add function description\r | |
1937 | \r | |
1938 | Arguments:\r | |
1939 | \r | |
1940 | ScsiDiskDevice - TODO: add argument description\r | |
1941 | NeedRetry - TODO: add argument description\r | |
1942 | SenseDataArray - TODO: add argument description\r | |
1943 | NumberOfSenseKeys - TODO: add argument description\r | |
1944 | Timeout - TODO: add argument description\r | |
1945 | DataBuffer - TODO: add argument description\r | |
1946 | DataLength - TODO: add argument description\r | |
1947 | StartLba - TODO: add argument description\r | |
1948 | SectorSize - TODO: add argument description\r | |
1949 | \r | |
1950 | Returns:\r | |
1951 | \r | |
1952 | TODO: add return values\r | |
1953 | \r | |
1954 | --*/\r | |
1955 | {\r | |
1956 | EFI_STATUS Status;\r | |
1957 | UINT8 SenseDataLength;\r | |
1958 | UINT8 HostAdapterStatus;\r | |
1959 | UINT8 TargetStatus;\r | |
1960 | \r | |
1961 | *NeedRetry = FALSE;\r | |
1962 | *NumberOfSenseKeys = 0;\r | |
1963 | SenseDataLength = 0;\r | |
1964 | Status = SubmitWrite10Command (\r | |
1965 | ScsiDiskDevice->ScsiIo,\r | |
1966 | Timeout,\r | |
1967 | NULL,\r | |
1968 | &SenseDataLength,\r | |
1969 | &HostAdapterStatus,\r | |
1970 | &TargetStatus,\r | |
1971 | DataBuffer,\r | |
1972 | DataLength,\r | |
1973 | StartLba,\r | |
1974 | SectorSize\r | |
1975 | );\r | |
1976 | return Status;\r | |
1977 | }\r | |
1978 | \r | |
1979 | BOOLEAN\r | |
1980 | ScsiDiskIsNoMedia (\r | |
1981 | IN EFI_SCSI_SENSE_DATA *SenseData,\r | |
1982 | IN UINTN SenseCounts\r | |
1983 | )\r | |
1984 | /*++\r | |
1985 | \r | |
1986 | Routine Description:\r | |
1987 | \r | |
1988 | TODO: Add function description\r | |
1989 | \r | |
1990 | Arguments:\r | |
1991 | \r | |
1992 | SenseData - TODO: add argument description\r | |
1993 | SenseCounts - TODO: add argument description\r | |
1994 | \r | |
1995 | Returns:\r | |
1996 | \r | |
1997 | TODO: add return values\r | |
1998 | \r | |
1999 | --*/\r | |
2000 | {\r | |
2001 | EFI_SCSI_SENSE_DATA *SensePtr;\r | |
2002 | UINTN Index;\r | |
2003 | BOOLEAN IsNoMedia;\r | |
2004 | \r | |
2005 | IsNoMedia = FALSE;\r | |
2006 | SensePtr = SenseData;\r | |
2007 | \r | |
2008 | for (Index = 0; Index < SenseCounts; Index++) {\r | |
2009 | \r | |
2010 | //\r | |
2011 | // Sense Key is EFI_SCSI_SK_NOT_READY (0x2),\r | |
2012 | // Additional Sense Code is ASC_NO_MEDIA (0x3A)\r | |
2013 | //\r | |
2014 | if ((SensePtr->Sense_Key == EFI_SCSI_SK_NOT_READY) &&\r | |
2015 | (SensePtr->Addnl_Sense_Code == EFI_SCSI_ASC_NO_MEDIA)) {\r | |
2016 | IsNoMedia = TRUE;\r | |
2017 | }\r | |
2018 | \r | |
2019 | SensePtr++;\r | |
2020 | }\r | |
2021 | \r | |
2022 | return IsNoMedia;\r | |
2023 | }\r | |
2024 | \r | |
2025 | BOOLEAN\r | |
2026 | ScsiDiskIsMediaError (\r | |
2027 | IN EFI_SCSI_SENSE_DATA *SenseData,\r | |
2028 | IN UINTN SenseCounts\r | |
2029 | )\r | |
2030 | /*++\r | |
2031 | \r | |
2032 | Routine Description:\r | |
2033 | \r | |
2034 | TODO: Add function description\r | |
2035 | \r | |
2036 | Arguments:\r | |
2037 | \r | |
2038 | SenseData - TODO: add argument description\r | |
2039 | SenseCounts - TODO: add argument description\r | |
2040 | \r | |
2041 | Returns:\r | |
2042 | \r | |
2043 | TODO: add return values\r | |
2044 | \r | |
2045 | --*/\r | |
2046 | {\r | |
2047 | EFI_SCSI_SENSE_DATA *SensePtr;\r | |
2048 | UINTN Index;\r | |
2049 | BOOLEAN IsError;\r | |
2050 | \r | |
2051 | IsError = FALSE;\r | |
2052 | SensePtr = SenseData;\r | |
2053 | \r | |
2054 | for (Index = 0; Index < SenseCounts; Index++) {\r | |
2055 | \r | |
2056 | switch (SensePtr->Sense_Key) {\r | |
2057 | \r | |
2058 | case EFI_SCSI_SK_MEDIUM_ERROR:\r | |
2059 | //\r | |
2060 | // Sense Key is EFI_SCSI_SK_MEDIUM_ERROR (0x3)\r | |
2061 | //\r | |
2062 | switch (SensePtr->Addnl_Sense_Code) {\r | |
2063 | \r | |
2064 | //\r | |
2065 | // fall through\r | |
2066 | //\r | |
2067 | case EFI_SCSI_ASC_MEDIA_ERR1:\r | |
2068 | \r | |
2069 | //\r | |
2070 | // fall through\r | |
2071 | //\r | |
2072 | case EFI_SCSI_ASC_MEDIA_ERR2:\r | |
2073 | \r | |
2074 | //\r | |
2075 | // fall through\r | |
2076 | //\r | |
2077 | case EFI_SCSI_ASC_MEDIA_ERR3:\r | |
2078 | case EFI_SCSI_ASC_MEDIA_ERR4:\r | |
2079 | IsError = TRUE;\r | |
2080 | break;\r | |
2081 | \r | |
2082 | default:\r | |
2083 | break;\r | |
2084 | }\r | |
2085 | \r | |
2086 | break;\r | |
2087 | \r | |
2088 | case EFI_SCSI_SK_NOT_READY:\r | |
2089 | //\r | |
2090 | // Sense Key is EFI_SCSI_SK_NOT_READY (0x2)\r | |
2091 | //\r | |
2092 | switch (SensePtr->Addnl_Sense_Code) {\r | |
2093 | //\r | |
2094 | // Additional Sense Code is ASC_MEDIA_UPSIDE_DOWN (0x6)\r | |
2095 | //\r | |
2096 | case EFI_SCSI_ASC_MEDIA_UPSIDE_DOWN:\r | |
2097 | IsError = TRUE;\r | |
2098 | break;\r | |
2099 | \r | |
2100 | default:\r | |
2101 | break;\r | |
2102 | }\r | |
2103 | break;\r | |
2104 | \r | |
2105 | default:\r | |
2106 | break;\r | |
2107 | }\r | |
2108 | \r | |
2109 | SensePtr++;\r | |
2110 | }\r | |
2111 | \r | |
2112 | return IsError;\r | |
2113 | }\r | |
2114 | \r | |
2115 | BOOLEAN\r | |
2116 | ScsiDiskIsHardwareError (\r | |
2117 | IN EFI_SCSI_SENSE_DATA *SenseData,\r | |
2118 | IN UINTN SenseCounts\r | |
2119 | )\r | |
2120 | /*++\r | |
2121 | \r | |
2122 | Routine Description:\r | |
2123 | \r | |
2124 | TODO: Add function description\r | |
2125 | \r | |
2126 | Arguments:\r | |
2127 | \r | |
2128 | SenseData - TODO: add argument description\r | |
2129 | SenseCounts - TODO: add argument description\r | |
2130 | \r | |
2131 | Returns:\r | |
2132 | \r | |
2133 | TODO: add return values\r | |
2134 | \r | |
2135 | --*/\r | |
2136 | {\r | |
2137 | EFI_SCSI_SENSE_DATA *SensePtr;\r | |
2138 | UINTN Index;\r | |
2139 | BOOLEAN IsError;\r | |
2140 | \r | |
2141 | IsError = FALSE;\r | |
2142 | SensePtr = SenseData;\r | |
2143 | \r | |
2144 | for (Index = 0; Index < SenseCounts; Index++) {\r | |
2145 | \r | |
2146 | //\r | |
2147 | // Sense Key is EFI_SCSI_SK_HARDWARE_ERROR (0x4)\r | |
2148 | //\r | |
2149 | if (SensePtr->Sense_Key == EFI_SCSI_SK_HARDWARE_ERROR) {\r | |
2150 | IsError = TRUE;\r | |
2151 | }\r | |
2152 | \r | |
2153 | SensePtr++;\r | |
2154 | }\r | |
2155 | \r | |
2156 | return IsError;\r | |
2157 | }\r | |
2158 | \r | |
2159 | BOOLEAN\r | |
2160 | ScsiDiskIsMediaChange (\r | |
2161 | IN EFI_SCSI_SENSE_DATA *SenseData,\r | |
2162 | IN UINTN SenseCounts\r | |
2163 | )\r | |
2164 | /*++\r | |
2165 | \r | |
2166 | Routine Description:\r | |
2167 | \r | |
2168 | TODO: Add function description\r | |
2169 | \r | |
2170 | Arguments:\r | |
2171 | \r | |
2172 | SenseData - TODO: add argument description\r | |
2173 | SenseCounts - TODO: add argument description\r | |
2174 | \r | |
2175 | Returns:\r | |
2176 | \r | |
2177 | TODO: add return values\r | |
2178 | \r | |
2179 | --*/\r | |
2180 | {\r | |
2181 | EFI_SCSI_SENSE_DATA *SensePtr;\r | |
2182 | UINTN Index;\r | |
2183 | BOOLEAN IsMediaChanged;\r | |
2184 | \r | |
2185 | IsMediaChanged = FALSE;\r | |
2186 | SensePtr = SenseData;\r | |
2187 | \r | |
2188 | for (Index = 0; Index < SenseCounts; Index++) {\r | |
2189 | //\r | |
2190 | // Sense Key is EFI_SCSI_SK_UNIT_ATTENTION (0x6),\r | |
2191 | // Additional sense code is EFI_SCSI_ASC_MEDIA_CHANGE (0x28)\r | |
2192 | //\r | |
2193 | if ((SensePtr->Sense_Key == EFI_SCSI_SK_UNIT_ATTENTION) &&\r | |
2194 | (SensePtr->Addnl_Sense_Code == EFI_SCSI_ASC_MEDIA_CHANGE)) {\r | |
2195 | IsMediaChanged = TRUE;\r | |
2196 | }\r | |
2197 | \r | |
2198 | SensePtr++;\r | |
2199 | }\r | |
2200 | \r | |
2201 | return IsMediaChanged;\r | |
2202 | }\r | |
2203 | \r | |
2204 | BOOLEAN\r | |
2205 | ScsiDiskIsResetBefore (\r | |
2206 | IN EFI_SCSI_SENSE_DATA *SenseData,\r | |
2207 | IN UINTN SenseCounts\r | |
2208 | )\r | |
2209 | /*++\r | |
2210 | \r | |
2211 | Routine Description:\r | |
2212 | \r | |
2213 | TODO: Add function description\r | |
2214 | \r | |
2215 | Arguments:\r | |
2216 | \r | |
2217 | SenseData - TODO: add argument description\r | |
2218 | SenseCounts - TODO: add argument description\r | |
2219 | \r | |
2220 | Returns:\r | |
2221 | \r | |
2222 | TODO: add return values\r | |
2223 | \r | |
2224 | --*/\r | |
2225 | {\r | |
2226 | EFI_SCSI_SENSE_DATA *SensePtr;\r | |
2227 | UINTN Index;\r | |
2228 | BOOLEAN IsResetBefore;\r | |
2229 | \r | |
2230 | IsResetBefore = FALSE;\r | |
2231 | SensePtr = SenseData;\r | |
2232 | \r | |
2233 | for (Index = 0; Index < SenseCounts; Index++) {\r | |
2234 | \r | |
2235 | //\r | |
2236 | // Sense Key is EFI_SCSI_SK_UNIT_ATTENTION (0x6)\r | |
2237 | // Additional Sense Code is EFI_SCSI_ASC_RESET (0x29)\r | |
2238 | //\r | |
2239 | if ((SensePtr->Sense_Key == EFI_SCSI_SK_UNIT_ATTENTION) &&\r | |
2240 | (SensePtr->Addnl_Sense_Code == EFI_SCSI_ASC_RESET)) {\r | |
2241 | IsResetBefore = TRUE;\r | |
2242 | }\r | |
2243 | \r | |
2244 | SensePtr++;\r | |
2245 | }\r | |
2246 | \r | |
2247 | return IsResetBefore;\r | |
2248 | }\r | |
2249 | \r | |
2250 | BOOLEAN\r | |
2251 | ScsiDiskIsDriveReady (\r | |
2252 | IN EFI_SCSI_SENSE_DATA *SenseData,\r | |
2253 | IN UINTN SenseCounts,\r | |
2254 | OUT BOOLEAN *RetryLater\r | |
2255 | )\r | |
2256 | /*++\r | |
2257 | \r | |
2258 | Routine Description:\r | |
2259 | \r | |
2260 | TODO: Add function description\r | |
2261 | \r | |
2262 | Arguments:\r | |
2263 | \r | |
2264 | SenseData - TODO: add argument description\r | |
2265 | SenseCounts - TODO: add argument description\r | |
2266 | RetryLater - TODO: add argument description\r | |
2267 | \r | |
2268 | Returns:\r | |
2269 | \r | |
2270 | TODO: add return values\r | |
2271 | \r | |
2272 | --*/\r | |
2273 | {\r | |
2274 | EFI_SCSI_SENSE_DATA *SensePtr;\r | |
2275 | UINTN Index;\r | |
2276 | BOOLEAN IsReady;\r | |
2277 | \r | |
2278 | IsReady = TRUE;\r | |
2279 | *RetryLater = FALSE;\r | |
2280 | SensePtr = SenseData;\r | |
2281 | \r | |
2282 | for (Index = 0; Index < SenseCounts; Index++) {\r | |
2283 | \r | |
2284 | switch (SensePtr->Sense_Key) {\r | |
2285 | \r | |
2286 | case EFI_SCSI_SK_NOT_READY:\r | |
2287 | //\r | |
2288 | // Sense Key is EFI_SCSI_SK_NOT_READY (0x2)\r | |
2289 | //\r | |
2290 | switch (SensePtr->Addnl_Sense_Code) {\r | |
2291 | case EFI_SCSI_ASC_NOT_READY:\r | |
2292 | //\r | |
2293 | // Additional Sense Code is EFI_SCSI_ASC_NOT_READY (0x4)\r | |
2294 | //\r | |
2295 | switch (SensePtr->Addnl_Sense_Code_Qualifier) {\r | |
2296 | case EFI_SCSI_ASCQ_IN_PROGRESS:\r | |
2297 | //\r | |
2298 | // Additional Sense Code Qualifier is\r | |
2299 | // EFI_SCSI_ASCQ_IN_PROGRESS (0x1)\r | |
2300 | //\r | |
2301 | IsReady = FALSE;\r | |
2302 | *RetryLater = TRUE;\r | |
2303 | break;\r | |
2304 | \r | |
2305 | default:\r | |
2306 | IsReady = FALSE;\r | |
2307 | *RetryLater = FALSE;\r | |
2308 | break;\r | |
2309 | }\r | |
2310 | break;\r | |
2311 | \r | |
2312 | default:\r | |
2313 | break;\r | |
2314 | }\r | |
2315 | break;\r | |
2316 | \r | |
2317 | default:\r | |
2318 | break;\r | |
2319 | }\r | |
2320 | \r | |
2321 | SensePtr++;\r | |
2322 | }\r | |
2323 | \r | |
2324 | return IsReady;\r | |
2325 | }\r | |
2326 | \r | |
2327 | BOOLEAN\r | |
2328 | ScsiDiskHaveSenseKey (\r | |
2329 | IN EFI_SCSI_SENSE_DATA *SenseData,\r | |
2330 | IN UINTN SenseCounts\r | |
2331 | )\r | |
2332 | /*++\r | |
2333 | \r | |
2334 | Routine Description:\r | |
2335 | \r | |
2336 | TODO: Add function description\r | |
2337 | \r | |
2338 | Arguments:\r | |
2339 | \r | |
2340 | SenseData - TODO: add argument description\r | |
2341 | SenseCounts - TODO: add argument description\r | |
2342 | \r | |
2343 | Returns:\r | |
2344 | \r | |
2345 | TODO: add return values\r | |
2346 | \r | |
2347 | --*/\r | |
2348 | {\r | |
2349 | EFI_SCSI_SENSE_DATA *SensePtr;\r | |
2350 | UINTN Index;\r | |
2351 | BOOLEAN HaveSenseKey;\r | |
2352 | \r | |
2353 | if (SenseCounts == 0) {\r | |
2354 | HaveSenseKey = FALSE;\r | |
2355 | } else {\r | |
2356 | HaveSenseKey = TRUE;\r | |
2357 | }\r | |
2358 | \r | |
2359 | SensePtr = SenseData;\r | |
2360 | \r | |
2361 | for (Index = 0; Index < SenseCounts; Index++) {\r | |
2362 | \r | |
2363 | //\r | |
2364 | // Sense Key is SK_NO_SENSE (0x0)\r | |
2365 | //\r | |
2366 | if ((SensePtr->Sense_Key == EFI_SCSI_SK_NO_SENSE) &&\r | |
2367 | (Index == 0)) {\r | |
2368 | HaveSenseKey = FALSE;\r | |
2369 | }\r | |
2370 | \r | |
2371 | SensePtr++;\r | |
2372 | }\r | |
2373 | \r | |
2374 | return HaveSenseKey;\r | |
2375 | }\r | |
2376 | \r | |
2377 | VOID\r | |
2378 | ReleaseScsiDiskDeviceResources (\r | |
2379 | IN SCSI_DISK_DEV *ScsiDiskDevice\r | |
2380 | )\r | |
2381 | /*++\r | |
2382 | \r | |
2383 | Routine Description:\r | |
2384 | \r | |
2385 | TODO: Add function description\r | |
2386 | \r | |
2387 | Arguments:\r | |
2388 | \r | |
2389 | ScsiDiskDevice - TODO: add argument description\r | |
2390 | \r | |
2391 | Returns:\r | |
2392 | \r | |
2393 | TODO: add return values\r | |
2394 | \r | |
2395 | --*/\r | |
2396 | {\r | |
2397 | if (ScsiDiskDevice == NULL) {\r | |
2398 | return ;\r | |
2399 | }\r | |
2400 | \r | |
2401 | if (ScsiDiskDevice->SenseData != NULL) {\r | |
2402 | gBS->FreePool (ScsiDiskDevice->SenseData);\r | |
2403 | ScsiDiskDevice->SenseData = NULL;\r | |
2404 | }\r | |
2405 | \r | |
2406 | if (ScsiDiskDevice->ControllerNameTable != NULL) {\r | |
2407 | FreeUnicodeStringTable (ScsiDiskDevice->ControllerNameTable);\r | |
2408 | ScsiDiskDevice->ControllerNameTable = NULL;\r | |
2409 | }\r | |
2410 | \r | |
2411 | gBS->FreePool (ScsiDiskDevice);\r | |
2412 | \r | |
2413 | ScsiDiskDevice = NULL;\r | |
2414 | }\r |