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1 | /** @file\r | |
2 | SCSI disk driver that layers on every SCSI IO protocol in the system.\r | |
3 | \r | |
4 | Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved.<BR>\r | |
5 | This program and the accompanying materials\r | |
6 | are licensed and made available under the terms and conditions of the BSD License\r | |
7 | which accompanies this distribution. The full text of the license may be found at\r | |
8 | http://opensource.org/licenses/bsd-license.php\r | |
9 | \r | |
10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
12 | \r | |
13 | **/\r | |
14 | \r | |
15 | \r | |
16 | #include "ScsiDisk.h"\r | |
17 | \r | |
18 | EFI_DRIVER_BINDING_PROTOCOL gScsiDiskDriverBinding = {\r | |
19 | ScsiDiskDriverBindingSupported,\r | |
20 | ScsiDiskDriverBindingStart,\r | |
21 | ScsiDiskDriverBindingStop,\r | |
22 | 0xa,\r | |
23 | NULL,\r | |
24 | NULL\r | |
25 | };\r | |
26 | \r | |
27 | EFI_DISK_INFO_PROTOCOL gScsiDiskInfoProtocolTemplate = {\r | |
28 | EFI_DISK_INFO_SCSI_INTERFACE_GUID,\r | |
29 | ScsiDiskInfoInquiry,\r | |
30 | ScsiDiskInfoIdentify,\r | |
31 | ScsiDiskInfoSenseData,\r | |
32 | ScsiDiskInfoWhichIde\r | |
33 | };\r | |
34 | \r | |
35 | /**\r | |
36 | Allocates an aligned buffer for SCSI disk.\r | |
37 | \r | |
38 | This function allocates an aligned buffer for the SCSI disk to perform\r | |
39 | SCSI IO operations. The alignment requirement is from SCSI IO interface.\r | |
40 | \r | |
41 | @param ScsiDiskDevice The SCSI disk involved for the operation.\r | |
42 | @param BufferSize The request buffer size.\r | |
43 | \r | |
44 | @return A pointer to the aligned buffer or NULL if the allocation fails.\r | |
45 | \r | |
46 | **/\r | |
47 | VOID *\r | |
48 | AllocateAlignedBuffer (\r | |
49 | IN SCSI_DISK_DEV *ScsiDiskDevice,\r | |
50 | IN UINTN BufferSize\r | |
51 | )\r | |
52 | {\r | |
53 | return AllocateAlignedPages (EFI_SIZE_TO_PAGES (BufferSize), ScsiDiskDevice->ScsiIo->IoAlign);\r | |
54 | }\r | |
55 | \r | |
56 | /**\r | |
57 | Frees an aligned buffer for SCSI disk.\r | |
58 | \r | |
59 | This function frees an aligned buffer for the SCSI disk to perform\r | |
60 | SCSI IO operations.\r | |
61 | \r | |
62 | @param Buffer The aligned buffer to be freed.\r | |
63 | @param BufferSize The request buffer size.\r | |
64 | \r | |
65 | **/\r | |
66 | VOID\r | |
67 | FreeAlignedBuffer (\r | |
68 | IN VOID *Buffer,\r | |
69 | IN UINTN BufferSize\r | |
70 | )\r | |
71 | {\r | |
72 | if (Buffer != NULL) {\r | |
73 | FreeAlignedPages (Buffer, EFI_SIZE_TO_PAGES (BufferSize));\r | |
74 | }\r | |
75 | }\r | |
76 | \r | |
77 | /**\r | |
78 | The user Entry Point for module ScsiDisk.\r | |
79 | \r | |
80 | The user code starts with this function.\r | |
81 | \r | |
82 | @param ImageHandle The firmware allocated handle for the EFI image. \r | |
83 | @param SystemTable A pointer to the EFI System Table.\r | |
84 | \r | |
85 | @retval EFI_SUCCESS The entry point is executed successfully.\r | |
86 | @retval other Some error occurs when executing this entry point.\r | |
87 | \r | |
88 | **/\r | |
89 | EFI_STATUS\r | |
90 | EFIAPI\r | |
91 | InitializeScsiDisk(\r | |
92 | IN EFI_HANDLE ImageHandle,\r | |
93 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
94 | )\r | |
95 | {\r | |
96 | EFI_STATUS Status;\r | |
97 | \r | |
98 | //\r | |
99 | // Install driver model protocol(s).\r | |
100 | //\r | |
101 | Status = EfiLibInstallDriverBindingComponentName2 (\r | |
102 | ImageHandle,\r | |
103 | SystemTable,\r | |
104 | &gScsiDiskDriverBinding,\r | |
105 | ImageHandle,\r | |
106 | &gScsiDiskComponentName,\r | |
107 | &gScsiDiskComponentName2\r | |
108 | );\r | |
109 | ASSERT_EFI_ERROR (Status);\r | |
110 | \r | |
111 | \r | |
112 | return Status;\r | |
113 | }\r | |
114 | \r | |
115 | /**\r | |
116 | Test to see if this driver supports ControllerHandle.\r | |
117 | \r | |
118 | This service is called by the EFI boot service ConnectController(). In order\r | |
119 | to make drivers as small as possible, there are a few calling restrictions for\r | |
120 | this service. ConnectController() must follow these calling restrictions.\r | |
121 | If any other agent wishes to call Supported() it must also follow these\r | |
122 | calling restrictions.\r | |
123 | \r | |
124 | @param This Protocol instance pointer.\r | |
125 | @param ControllerHandle Handle of device to test\r | |
126 | @param RemainingDevicePath Optional parameter use to pick a specific child\r | |
127 | device to start.\r | |
128 | \r | |
129 | @retval EFI_SUCCESS This driver supports this device\r | |
130 | @retval EFI_ALREADY_STARTED This driver is already running on this device\r | |
131 | @retval other This driver does not support this device\r | |
132 | \r | |
133 | **/\r | |
134 | EFI_STATUS\r | |
135 | EFIAPI\r | |
136 | ScsiDiskDriverBindingSupported (\r | |
137 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
138 | IN EFI_HANDLE Controller,\r | |
139 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL\r | |
140 | )\r | |
141 | {\r | |
142 | EFI_STATUS Status;\r | |
143 | EFI_SCSI_IO_PROTOCOL *ScsiIo;\r | |
144 | UINT8 DeviceType;\r | |
145 | \r | |
146 | Status = gBS->OpenProtocol (\r | |
147 | Controller,\r | |
148 | &gEfiScsiIoProtocolGuid,\r | |
149 | (VOID **) &ScsiIo,\r | |
150 | This->DriverBindingHandle,\r | |
151 | Controller,\r | |
152 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
153 | );\r | |
154 | if (EFI_ERROR (Status)) {\r | |
155 | return Status;\r | |
156 | }\r | |
157 | \r | |
158 | Status = ScsiIo->GetDeviceType (ScsiIo, &DeviceType);\r | |
159 | if (!EFI_ERROR (Status)) {\r | |
160 | if ((DeviceType == EFI_SCSI_TYPE_DISK) || (DeviceType == EFI_SCSI_TYPE_CDROM)) {\r | |
161 | Status = EFI_SUCCESS;\r | |
162 | } else {\r | |
163 | Status = EFI_UNSUPPORTED;\r | |
164 | }\r | |
165 | }\r | |
166 | \r | |
167 | gBS->CloseProtocol (\r | |
168 | Controller,\r | |
169 | &gEfiScsiIoProtocolGuid,\r | |
170 | This->DriverBindingHandle,\r | |
171 | Controller\r | |
172 | );\r | |
173 | return Status;\r | |
174 | }\r | |
175 | \r | |
176 | \r | |
177 | /**\r | |
178 | Start this driver on ControllerHandle.\r | |
179 | \r | |
180 | This service is called by the EFI boot service ConnectController(). In order\r | |
181 | to make drivers as small as possible, there are a few calling restrictions for\r | |
182 | this service. ConnectController() must follow these calling restrictions. If\r | |
183 | any other agent wishes to call Start() it must also follow these calling\r | |
184 | restrictions.\r | |
185 | \r | |
186 | @param This Protocol instance pointer.\r | |
187 | @param ControllerHandle Handle of device to bind driver to\r | |
188 | @param RemainingDevicePath Optional parameter use to pick a specific child\r | |
189 | device to start.\r | |
190 | \r | |
191 | @retval EFI_SUCCESS This driver is added to ControllerHandle\r | |
192 | @retval EFI_ALREADY_STARTED This driver is already running on ControllerHandle\r | |
193 | @retval other This driver does not support this device\r | |
194 | \r | |
195 | **/\r | |
196 | EFI_STATUS\r | |
197 | EFIAPI\r | |
198 | ScsiDiskDriverBindingStart (\r | |
199 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
200 | IN EFI_HANDLE Controller,\r | |
201 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL\r | |
202 | )\r | |
203 | {\r | |
204 | EFI_STATUS Status;\r | |
205 | EFI_SCSI_IO_PROTOCOL *ScsiIo;\r | |
206 | SCSI_DISK_DEV *ScsiDiskDevice;\r | |
207 | BOOLEAN Temp;\r | |
208 | UINT8 Index;\r | |
209 | UINT8 MaxRetry;\r | |
210 | BOOLEAN NeedRetry;\r | |
211 | BOOLEAN MustReadCapacity;\r | |
212 | \r | |
213 | MustReadCapacity = TRUE;\r | |
214 | \r | |
215 | ScsiDiskDevice = (SCSI_DISK_DEV *) AllocateZeroPool (sizeof (SCSI_DISK_DEV));\r | |
216 | if (ScsiDiskDevice == NULL) {\r | |
217 | return EFI_OUT_OF_RESOURCES;\r | |
218 | }\r | |
219 | \r | |
220 | Status = gBS->OpenProtocol (\r | |
221 | Controller,\r | |
222 | &gEfiScsiIoProtocolGuid,\r | |
223 | (VOID **) &ScsiIo,\r | |
224 | This->DriverBindingHandle,\r | |
225 | Controller,\r | |
226 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
227 | );\r | |
228 | if (EFI_ERROR (Status)) {\r | |
229 | FreePool (ScsiDiskDevice);\r | |
230 | return Status;\r | |
231 | }\r | |
232 | \r | |
233 | ScsiDiskDevice->Signature = SCSI_DISK_DEV_SIGNATURE;\r | |
234 | ScsiDiskDevice->ScsiIo = ScsiIo;\r | |
235 | ScsiDiskDevice->BlkIo.Revision = EFI_BLOCK_IO_PROTOCOL_REVISION3;\r | |
236 | ScsiDiskDevice->BlkIo.Media = &ScsiDiskDevice->BlkIoMedia;\r | |
237 | ScsiDiskDevice->BlkIo.Media->IoAlign = ScsiIo->IoAlign;\r | |
238 | ScsiDiskDevice->BlkIo.Reset = ScsiDiskReset;\r | |
239 | ScsiDiskDevice->BlkIo.ReadBlocks = ScsiDiskReadBlocks;\r | |
240 | ScsiDiskDevice->BlkIo.WriteBlocks = ScsiDiskWriteBlocks;\r | |
241 | ScsiDiskDevice->BlkIo.FlushBlocks = ScsiDiskFlushBlocks;\r | |
242 | ScsiDiskDevice->BlkIo2.Media = &ScsiDiskDevice->BlkIoMedia;\r | |
243 | ScsiDiskDevice->BlkIo2.Reset = ScsiDiskResetEx;\r | |
244 | ScsiDiskDevice->BlkIo2.ReadBlocksEx = ScsiDiskReadBlocksEx;\r | |
245 | ScsiDiskDevice->BlkIo2.WriteBlocksEx = ScsiDiskWriteBlocksEx;\r | |
246 | ScsiDiskDevice->BlkIo2.FlushBlocksEx = ScsiDiskFlushBlocksEx;\r | |
247 | ScsiDiskDevice->Handle = Controller;\r | |
248 | InitializeListHead (&ScsiDiskDevice->BlkIo2Queue);\r | |
249 | \r | |
250 | ScsiIo->GetDeviceType (ScsiIo, &(ScsiDiskDevice->DeviceType));\r | |
251 | switch (ScsiDiskDevice->DeviceType) {\r | |
252 | case EFI_SCSI_TYPE_DISK:\r | |
253 | ScsiDiskDevice->BlkIo.Media->BlockSize = 0x200;\r | |
254 | MustReadCapacity = TRUE;\r | |
255 | break;\r | |
256 | \r | |
257 | case EFI_SCSI_TYPE_CDROM:\r | |
258 | ScsiDiskDevice->BlkIo.Media->BlockSize = 0x800;\r | |
259 | ScsiDiskDevice->BlkIo.Media->ReadOnly = TRUE;\r | |
260 | MustReadCapacity = FALSE;\r | |
261 | break;\r | |
262 | }\r | |
263 | //\r | |
264 | // The Sense Data Array's initial size is 6\r | |
265 | //\r | |
266 | ScsiDiskDevice->SenseDataNumber = 6;\r | |
267 | ScsiDiskDevice->SenseData = (EFI_SCSI_SENSE_DATA *) AllocateZeroPool (\r | |
268 | sizeof (EFI_SCSI_SENSE_DATA) * ScsiDiskDevice->SenseDataNumber\r | |
269 | );\r | |
270 | if (ScsiDiskDevice->SenseData == NULL) {\r | |
271 | gBS->CloseProtocol (\r | |
272 | Controller,\r | |
273 | &gEfiScsiIoProtocolGuid,\r | |
274 | This->DriverBindingHandle,\r | |
275 | Controller\r | |
276 | );\r | |
277 | FreePool (ScsiDiskDevice);\r | |
278 | return EFI_OUT_OF_RESOURCES;\r | |
279 | }\r | |
280 | \r | |
281 | //\r | |
282 | // Retrieve device information\r | |
283 | //\r | |
284 | MaxRetry = 2;\r | |
285 | for (Index = 0; Index < MaxRetry; Index++) {\r | |
286 | Status = ScsiDiskInquiryDevice (ScsiDiskDevice, &NeedRetry);\r | |
287 | if (!EFI_ERROR (Status)) {\r | |
288 | break;\r | |
289 | }\r | |
290 | \r | |
291 | if (!NeedRetry) {\r | |
292 | FreePool (ScsiDiskDevice->SenseData);\r | |
293 | gBS->CloseProtocol (\r | |
294 | Controller,\r | |
295 | &gEfiScsiIoProtocolGuid,\r | |
296 | This->DriverBindingHandle,\r | |
297 | Controller\r | |
298 | );\r | |
299 | FreePool (ScsiDiskDevice);\r | |
300 | return EFI_DEVICE_ERROR;\r | |
301 | }\r | |
302 | }\r | |
303 | //\r | |
304 | // The second parameter "TRUE" means must\r | |
305 | // retrieve media capacity\r | |
306 | //\r | |
307 | Status = ScsiDiskDetectMedia (ScsiDiskDevice, MustReadCapacity, &Temp);\r | |
308 | if (!EFI_ERROR (Status)) {\r | |
309 | //\r | |
310 | // Determine if Block IO & Block IO2 should be produced on this controller\r | |
311 | // handle\r | |
312 | //\r | |
313 | if (DetermineInstallBlockIo(Controller)) {\r | |
314 | InitializeInstallDiskInfo(ScsiDiskDevice, Controller);\r | |
315 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
316 | &Controller,\r | |
317 | &gEfiBlockIoProtocolGuid,\r | |
318 | &ScsiDiskDevice->BlkIo,\r | |
319 | &gEfiBlockIo2ProtocolGuid,\r | |
320 | &ScsiDiskDevice->BlkIo2,\r | |
321 | &gEfiDiskInfoProtocolGuid,\r | |
322 | &ScsiDiskDevice->DiskInfo,\r | |
323 | NULL\r | |
324 | );\r | |
325 | if (!EFI_ERROR(Status)) {\r | |
326 | ScsiDiskDevice->ControllerNameTable = NULL;\r | |
327 | AddUnicodeString2 (\r | |
328 | "eng",\r | |
329 | gScsiDiskComponentName.SupportedLanguages,\r | |
330 | &ScsiDiskDevice->ControllerNameTable,\r | |
331 | L"SCSI Disk Device",\r | |
332 | TRUE\r | |
333 | );\r | |
334 | AddUnicodeString2 (\r | |
335 | "en",\r | |
336 | gScsiDiskComponentName2.SupportedLanguages,\r | |
337 | &ScsiDiskDevice->ControllerNameTable,\r | |
338 | L"SCSI Disk Device",\r | |
339 | FALSE\r | |
340 | );\r | |
341 | return EFI_SUCCESS;\r | |
342 | }\r | |
343 | } \r | |
344 | }\r | |
345 | \r | |
346 | gBS->FreePool (ScsiDiskDevice->SenseData);\r | |
347 | gBS->FreePool (ScsiDiskDevice);\r | |
348 | gBS->CloseProtocol (\r | |
349 | Controller,\r | |
350 | &gEfiScsiIoProtocolGuid,\r | |
351 | This->DriverBindingHandle,\r | |
352 | Controller\r | |
353 | );\r | |
354 | return Status;\r | |
355 | \r | |
356 | }\r | |
357 | \r | |
358 | \r | |
359 | /**\r | |
360 | Stop this driver on ControllerHandle.\r | |
361 | \r | |
362 | This service is called by the EFI boot service DisconnectController().\r | |
363 | In order to make drivers as small as possible, there are a few calling\r | |
364 | restrictions for this service. DisconnectController() must follow these\r | |
365 | calling restrictions. If any other agent wishes to call Stop() it must\r | |
366 | also follow these calling restrictions.\r | |
367 | \r | |
368 | @param This Protocol instance pointer.\r | |
369 | @param ControllerHandle Handle of device to stop driver on\r | |
370 | @param NumberOfChildren Number of Handles in ChildHandleBuffer. If number of\r | |
371 | children is zero stop the entire bus driver.\r | |
372 | @param ChildHandleBuffer List of Child Handles to Stop.\r | |
373 | \r | |
374 | @retval EFI_SUCCESS This driver is removed ControllerHandle\r | |
375 | @retval other This driver was not removed from this device\r | |
376 | \r | |
377 | **/\r | |
378 | EFI_STATUS\r | |
379 | EFIAPI\r | |
380 | ScsiDiskDriverBindingStop (\r | |
381 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
382 | IN EFI_HANDLE Controller,\r | |
383 | IN UINTN NumberOfChildren,\r | |
384 | IN EFI_HANDLE *ChildHandleBuffer OPTIONAL\r | |
385 | )\r | |
386 | {\r | |
387 | EFI_BLOCK_IO_PROTOCOL *BlkIo;\r | |
388 | SCSI_DISK_DEV *ScsiDiskDevice;\r | |
389 | EFI_STATUS Status;\r | |
390 | \r | |
391 | Status = gBS->OpenProtocol (\r | |
392 | Controller,\r | |
393 | &gEfiBlockIoProtocolGuid,\r | |
394 | (VOID **) &BlkIo,\r | |
395 | This->DriverBindingHandle,\r | |
396 | Controller,\r | |
397 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
398 | );\r | |
399 | if (EFI_ERROR (Status)) {\r | |
400 | return Status;\r | |
401 | }\r | |
402 | \r | |
403 | ScsiDiskDevice = SCSI_DISK_DEV_FROM_BLKIO (BlkIo);\r | |
404 | \r | |
405 | //\r | |
406 | // Wait for the BlockIo2 requests queue to become empty\r | |
407 | //\r | |
408 | while (!IsListEmpty (&ScsiDiskDevice->BlkIo2Queue));\r | |
409 | \r | |
410 | Status = gBS->UninstallMultipleProtocolInterfaces (\r | |
411 | Controller,\r | |
412 | &gEfiBlockIoProtocolGuid,\r | |
413 | &ScsiDiskDevice->BlkIo,\r | |
414 | &gEfiBlockIo2ProtocolGuid,\r | |
415 | &ScsiDiskDevice->BlkIo2,\r | |
416 | &gEfiDiskInfoProtocolGuid,\r | |
417 | &ScsiDiskDevice->DiskInfo,\r | |
418 | NULL\r | |
419 | );\r | |
420 | if (!EFI_ERROR (Status)) {\r | |
421 | gBS->CloseProtocol (\r | |
422 | Controller,\r | |
423 | &gEfiScsiIoProtocolGuid,\r | |
424 | This->DriverBindingHandle,\r | |
425 | Controller\r | |
426 | );\r | |
427 | \r | |
428 | ReleaseScsiDiskDeviceResources (ScsiDiskDevice);\r | |
429 | \r | |
430 | return EFI_SUCCESS;\r | |
431 | }\r | |
432 | //\r | |
433 | // errors met\r | |
434 | //\r | |
435 | return Status;\r | |
436 | }\r | |
437 | \r | |
438 | /**\r | |
439 | Reset SCSI Disk.\r | |
440 | \r | |
441 | \r | |
442 | @param This The pointer of EFI_BLOCK_IO_PROTOCOL\r | |
443 | @param ExtendedVerification The flag about if extend verificate\r | |
444 | \r | |
445 | @retval EFI_SUCCESS The device was reset.\r | |
446 | @retval EFI_DEVICE_ERROR The device is not functioning properly and could\r | |
447 | not be reset.\r | |
448 | @return EFI_STATUS is returned from EFI_SCSI_IO_PROTOCOL.ResetDevice().\r | |
449 | \r | |
450 | **/\r | |
451 | EFI_STATUS\r | |
452 | EFIAPI\r | |
453 | ScsiDiskReset (\r | |
454 | IN EFI_BLOCK_IO_PROTOCOL *This,\r | |
455 | IN BOOLEAN ExtendedVerification\r | |
456 | )\r | |
457 | {\r | |
458 | EFI_TPL OldTpl;\r | |
459 | SCSI_DISK_DEV *ScsiDiskDevice;\r | |
460 | EFI_STATUS Status;\r | |
461 | \r | |
462 | OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r | |
463 | \r | |
464 | ScsiDiskDevice = SCSI_DISK_DEV_FROM_BLKIO (This);\r | |
465 | \r | |
466 | Status = ScsiDiskDevice->ScsiIo->ResetDevice (ScsiDiskDevice->ScsiIo);\r | |
467 | \r | |
468 | if (EFI_ERROR (Status)) {\r | |
469 | Status = EFI_DEVICE_ERROR;\r | |
470 | goto Done;\r | |
471 | }\r | |
472 | \r | |
473 | if (!ExtendedVerification) {\r | |
474 | goto Done;\r | |
475 | }\r | |
476 | \r | |
477 | Status = ScsiDiskDevice->ScsiIo->ResetBus (ScsiDiskDevice->ScsiIo);\r | |
478 | \r | |
479 | if (EFI_ERROR (Status)) {\r | |
480 | Status = EFI_DEVICE_ERROR;\r | |
481 | goto Done;\r | |
482 | }\r | |
483 | \r | |
484 | Done:\r | |
485 | gBS->RestoreTPL (OldTpl);\r | |
486 | return Status;\r | |
487 | }\r | |
488 | \r | |
489 | /**\r | |
490 | The function is to Read Block from SCSI Disk.\r | |
491 | \r | |
492 | @param This The pointer of EFI_BLOCK_IO_PROTOCOL.\r | |
493 | @param MediaId The Id of Media detected\r | |
494 | @param Lba The logic block address\r | |
495 | @param BufferSize The size of Buffer\r | |
496 | @param Buffer The buffer to fill the read out data\r | |
497 | \r | |
498 | @retval EFI_SUCCESS Successfully to read out block.\r | |
499 | @retval EFI_DEVICE_ERROR Fail to detect media.\r | |
500 | @retval EFI_NO_MEDIA Media is not present.\r | |
501 | @retval EFI_MEDIA_CHANGED Media has changed.\r | |
502 | @retval EFI_BAD_BUFFER_SIZE The Buffer was not a multiple of the block size of the device.\r | |
503 | @retval EFI_INVALID_PARAMETER Invalid parameter passed in.\r | |
504 | \r | |
505 | **/\r | |
506 | EFI_STATUS\r | |
507 | EFIAPI\r | |
508 | ScsiDiskReadBlocks (\r | |
509 | IN EFI_BLOCK_IO_PROTOCOL *This,\r | |
510 | IN UINT32 MediaId,\r | |
511 | IN EFI_LBA Lba,\r | |
512 | IN UINTN BufferSize,\r | |
513 | OUT VOID *Buffer\r | |
514 | )\r | |
515 | {\r | |
516 | SCSI_DISK_DEV *ScsiDiskDevice;\r | |
517 | EFI_BLOCK_IO_MEDIA *Media;\r | |
518 | EFI_STATUS Status;\r | |
519 | UINTN BlockSize;\r | |
520 | UINTN NumberOfBlocks;\r | |
521 | BOOLEAN MediaChange;\r | |
522 | EFI_TPL OldTpl;\r | |
523 | \r | |
524 | MediaChange = FALSE;\r | |
525 | OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r | |
526 | ScsiDiskDevice = SCSI_DISK_DEV_FROM_BLKIO (This);\r | |
527 | \r | |
528 | if (!IS_DEVICE_FIXED(ScsiDiskDevice)) {\r | |
529 | \r | |
530 | Status = ScsiDiskDetectMedia (ScsiDiskDevice, FALSE, &MediaChange);\r | |
531 | if (EFI_ERROR (Status)) {\r | |
532 | Status = EFI_DEVICE_ERROR;\r | |
533 | goto Done;\r | |
534 | }\r | |
535 | \r | |
536 | if (MediaChange) {\r | |
537 | gBS->ReinstallProtocolInterface (\r | |
538 | ScsiDiskDevice->Handle,\r | |
539 | &gEfiBlockIoProtocolGuid,\r | |
540 | &ScsiDiskDevice->BlkIo,\r | |
541 | &ScsiDiskDevice->BlkIo\r | |
542 | );\r | |
543 | gBS->ReinstallProtocolInterface (\r | |
544 | ScsiDiskDevice->Handle,\r | |
545 | &gEfiBlockIo2ProtocolGuid,\r | |
546 | &ScsiDiskDevice->BlkIo2,\r | |
547 | &ScsiDiskDevice->BlkIo2\r | |
548 | );\r | |
549 | Status = EFI_MEDIA_CHANGED;\r | |
550 | goto Done;\r | |
551 | }\r | |
552 | }\r | |
553 | //\r | |
554 | // Get the intrinsic block size\r | |
555 | //\r | |
556 | Media = ScsiDiskDevice->BlkIo.Media;\r | |
557 | BlockSize = Media->BlockSize;\r | |
558 | \r | |
559 | NumberOfBlocks = BufferSize / BlockSize;\r | |
560 | \r | |
561 | if (!(Media->MediaPresent)) {\r | |
562 | Status = EFI_NO_MEDIA;\r | |
563 | goto Done;\r | |
564 | }\r | |
565 | \r | |
566 | if (MediaId != Media->MediaId) {\r | |
567 | Status = EFI_MEDIA_CHANGED;\r | |
568 | goto Done;\r | |
569 | }\r | |
570 | \r | |
571 | if (Buffer == NULL) {\r | |
572 | Status = EFI_INVALID_PARAMETER;\r | |
573 | goto Done;\r | |
574 | }\r | |
575 | \r | |
576 | if (BufferSize == 0) {\r | |
577 | Status = EFI_SUCCESS;\r | |
578 | goto Done;\r | |
579 | }\r | |
580 | \r | |
581 | if (BufferSize % BlockSize != 0) {\r | |
582 | Status = EFI_BAD_BUFFER_SIZE;\r | |
583 | goto Done;\r | |
584 | }\r | |
585 | \r | |
586 | if (Lba > Media->LastBlock) {\r | |
587 | Status = EFI_INVALID_PARAMETER;\r | |
588 | goto Done;\r | |
589 | }\r | |
590 | \r | |
591 | if ((Lba + NumberOfBlocks - 1) > Media->LastBlock) {\r | |
592 | Status = EFI_INVALID_PARAMETER;\r | |
593 | goto Done;\r | |
594 | }\r | |
595 | \r | |
596 | if ((Media->IoAlign > 1) && (((UINTN) Buffer & (Media->IoAlign - 1)) != 0)) {\r | |
597 | Status = EFI_INVALID_PARAMETER;\r | |
598 | goto Done;\r | |
599 | }\r | |
600 | \r | |
601 | //\r | |
602 | // If all the parameters are valid, then perform read sectors command\r | |
603 | // to transfer data from device to host.\r | |
604 | //\r | |
605 | Status = ScsiDiskReadSectors (ScsiDiskDevice, Buffer, Lba, NumberOfBlocks);\r | |
606 | \r | |
607 | Done:\r | |
608 | gBS->RestoreTPL (OldTpl);\r | |
609 | return Status;\r | |
610 | }\r | |
611 | \r | |
612 | /**\r | |
613 | The function is to Write Block to SCSI Disk.\r | |
614 | \r | |
615 | @param This The pointer of EFI_BLOCK_IO_PROTOCOL\r | |
616 | @param MediaId The Id of Media detected\r | |
617 | @param Lba The logic block address\r | |
618 | @param BufferSize The size of Buffer\r | |
619 | @param Buffer The buffer to fill the read out data\r | |
620 | \r | |
621 | @retval EFI_SUCCESS Successfully to read out block.\r | |
622 | @retval EFI_WRITE_PROTECTED The device can not be written to.\r | |
623 | @retval EFI_DEVICE_ERROR Fail to detect media.\r | |
624 | @retval EFI_NO_MEDIA Media is not present.\r | |
625 | @retval EFI_MEDIA_CHNAGED Media has changed.\r | |
626 | @retval EFI_BAD_BUFFER_SIZE The Buffer was not a multiple of the block size of the device.\r | |
627 | @retval EFI_INVALID_PARAMETER Invalid parameter passed in.\r | |
628 | \r | |
629 | **/\r | |
630 | EFI_STATUS\r | |
631 | EFIAPI\r | |
632 | ScsiDiskWriteBlocks (\r | |
633 | IN EFI_BLOCK_IO_PROTOCOL *This,\r | |
634 | IN UINT32 MediaId,\r | |
635 | IN EFI_LBA Lba,\r | |
636 | IN UINTN BufferSize,\r | |
637 | IN VOID *Buffer\r | |
638 | )\r | |
639 | {\r | |
640 | SCSI_DISK_DEV *ScsiDiskDevice;\r | |
641 | EFI_BLOCK_IO_MEDIA *Media;\r | |
642 | EFI_STATUS Status;\r | |
643 | UINTN BlockSize;\r | |
644 | UINTN NumberOfBlocks;\r | |
645 | BOOLEAN MediaChange;\r | |
646 | EFI_TPL OldTpl;\r | |
647 | \r | |
648 | MediaChange = FALSE;\r | |
649 | OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r | |
650 | ScsiDiskDevice = SCSI_DISK_DEV_FROM_BLKIO (This);\r | |
651 | \r | |
652 | if (!IS_DEVICE_FIXED(ScsiDiskDevice)) {\r | |
653 | \r | |
654 | Status = ScsiDiskDetectMedia (ScsiDiskDevice, FALSE, &MediaChange);\r | |
655 | if (EFI_ERROR (Status)) {\r | |
656 | Status = EFI_DEVICE_ERROR;\r | |
657 | goto Done;\r | |
658 | }\r | |
659 | \r | |
660 | if (MediaChange) {\r | |
661 | gBS->ReinstallProtocolInterface (\r | |
662 | ScsiDiskDevice->Handle,\r | |
663 | &gEfiBlockIoProtocolGuid,\r | |
664 | &ScsiDiskDevice->BlkIo,\r | |
665 | &ScsiDiskDevice->BlkIo\r | |
666 | );\r | |
667 | gBS->ReinstallProtocolInterface (\r | |
668 | ScsiDiskDevice->Handle,\r | |
669 | &gEfiBlockIo2ProtocolGuid,\r | |
670 | &ScsiDiskDevice->BlkIo2,\r | |
671 | &ScsiDiskDevice->BlkIo2\r | |
672 | );\r | |
673 | Status = EFI_MEDIA_CHANGED;\r | |
674 | goto Done;\r | |
675 | }\r | |
676 | }\r | |
677 | //\r | |
678 | // Get the intrinsic block size\r | |
679 | //\r | |
680 | Media = ScsiDiskDevice->BlkIo.Media;\r | |
681 | BlockSize = Media->BlockSize;\r | |
682 | \r | |
683 | NumberOfBlocks = BufferSize / BlockSize;\r | |
684 | \r | |
685 | if (!(Media->MediaPresent)) {\r | |
686 | Status = EFI_NO_MEDIA;\r | |
687 | goto Done;\r | |
688 | }\r | |
689 | \r | |
690 | if (MediaId != Media->MediaId) {\r | |
691 | Status = EFI_MEDIA_CHANGED;\r | |
692 | goto Done;\r | |
693 | }\r | |
694 | \r | |
695 | if (Media->ReadOnly) {\r | |
696 | Status = EFI_WRITE_PROTECTED;\r | |
697 | goto Done;\r | |
698 | }\r | |
699 | \r | |
700 | if (BufferSize == 0) {\r | |
701 | Status = EFI_SUCCESS;\r | |
702 | goto Done;\r | |
703 | }\r | |
704 | \r | |
705 | if (Buffer == NULL) {\r | |
706 | Status = EFI_INVALID_PARAMETER;\r | |
707 | goto Done;\r | |
708 | }\r | |
709 | \r | |
710 | if (BufferSize % BlockSize != 0) {\r | |
711 | Status = EFI_BAD_BUFFER_SIZE;\r | |
712 | goto Done;\r | |
713 | }\r | |
714 | \r | |
715 | if (Lba > Media->LastBlock) {\r | |
716 | Status = EFI_INVALID_PARAMETER;\r | |
717 | goto Done;\r | |
718 | }\r | |
719 | \r | |
720 | if ((Lba + NumberOfBlocks - 1) > Media->LastBlock) {\r | |
721 | Status = EFI_INVALID_PARAMETER;\r | |
722 | goto Done;\r | |
723 | }\r | |
724 | \r | |
725 | if ((Media->IoAlign > 1) && (((UINTN) Buffer & (Media->IoAlign - 1)) != 0)) {\r | |
726 | Status = EFI_INVALID_PARAMETER;\r | |
727 | goto Done;\r | |
728 | }\r | |
729 | //\r | |
730 | // if all the parameters are valid, then perform read sectors command\r | |
731 | // to transfer data from device to host.\r | |
732 | //\r | |
733 | Status = ScsiDiskWriteSectors (ScsiDiskDevice, Buffer, Lba, NumberOfBlocks);\r | |
734 | \r | |
735 | Done:\r | |
736 | gBS->RestoreTPL (OldTpl);\r | |
737 | return Status;\r | |
738 | }\r | |
739 | \r | |
740 | /**\r | |
741 | Flush Block to Disk.\r | |
742 | \r | |
743 | EFI_SUCCESS is returned directly.\r | |
744 | \r | |
745 | @param This The pointer of EFI_BLOCK_IO_PROTOCOL\r | |
746 | \r | |
747 | @retval EFI_SUCCESS All outstanding data was written to the device\r | |
748 | \r | |
749 | **/\r | |
750 | EFI_STATUS\r | |
751 | EFIAPI\r | |
752 | ScsiDiskFlushBlocks (\r | |
753 | IN EFI_BLOCK_IO_PROTOCOL *This\r | |
754 | )\r | |
755 | {\r | |
756 | //\r | |
757 | // return directly\r | |
758 | //\r | |
759 | return EFI_SUCCESS;\r | |
760 | }\r | |
761 | \r | |
762 | \r | |
763 | /**\r | |
764 | Reset SCSI Disk.\r | |
765 | \r | |
766 | @param This The pointer of EFI_BLOCK_IO2_PROTOCOL.\r | |
767 | @param ExtendedVerification The flag about if extend verificate.\r | |
768 | \r | |
769 | @retval EFI_SUCCESS The device was reset.\r | |
770 | @retval EFI_DEVICE_ERROR The device is not functioning properly and could\r | |
771 | not be reset.\r | |
772 | @return EFI_STATUS is returned from EFI_SCSI_IO_PROTOCOL.ResetDevice().\r | |
773 | \r | |
774 | **/\r | |
775 | EFI_STATUS\r | |
776 | EFIAPI\r | |
777 | ScsiDiskResetEx (\r | |
778 | IN EFI_BLOCK_IO2_PROTOCOL *This,\r | |
779 | IN BOOLEAN ExtendedVerification\r | |
780 | )\r | |
781 | {\r | |
782 | EFI_TPL OldTpl;\r | |
783 | SCSI_DISK_DEV *ScsiDiskDevice;\r | |
784 | EFI_STATUS Status;\r | |
785 | \r | |
786 | OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r | |
787 | \r | |
788 | ScsiDiskDevice = SCSI_DISK_DEV_FROM_BLKIO2 (This);\r | |
789 | \r | |
790 | Status = ScsiDiskDevice->ScsiIo->ResetDevice (ScsiDiskDevice->ScsiIo);\r | |
791 | \r | |
792 | if (EFI_ERROR (Status)) {\r | |
793 | Status = EFI_DEVICE_ERROR;\r | |
794 | goto Done;\r | |
795 | }\r | |
796 | \r | |
797 | if (!ExtendedVerification) {\r | |
798 | goto Done;\r | |
799 | }\r | |
800 | \r | |
801 | Status = ScsiDiskDevice->ScsiIo->ResetBus (ScsiDiskDevice->ScsiIo);\r | |
802 | \r | |
803 | if (EFI_ERROR (Status)) {\r | |
804 | Status = EFI_DEVICE_ERROR;\r | |
805 | goto Done;\r | |
806 | }\r | |
807 | \r | |
808 | Done:\r | |
809 | gBS->RestoreTPL (OldTpl);\r | |
810 | return Status;\r | |
811 | }\r | |
812 | \r | |
813 | /**\r | |
814 | The function is to Read Block from SCSI Disk.\r | |
815 | \r | |
816 | @param This The pointer of EFI_BLOCK_IO_PROTOCOL.\r | |
817 | @param MediaId The Id of Media detected.\r | |
818 | @param Lba The logic block address.\r | |
819 | @param Token A pointer to the token associated with the transaction.\r | |
820 | @param BufferSize The size of Buffer.\r | |
821 | @param Buffer The buffer to fill the read out data.\r | |
822 | \r | |
823 | @retval EFI_SUCCESS The read request was queued if Token-> Event is\r | |
824 | not NULL. The data was read correctly from the\r | |
825 | device if theToken-> Event is NULL.\r | |
826 | @retval EFI_DEVICE_ERROR The device reported an error while attempting\r | |
827 | to perform the read operation.\r | |
828 | @retval EFI_NO_MEDIA There is no media in the device.\r | |
829 | @retval EFI_MEDIA_CHANGED The MediaId is not for the current media.\r | |
830 | @retval EFI_BAD_BUFFER_SIZE The BufferSize parameter is not a multiple of\r | |
831 | the intrinsic block size of the device.\r | |
832 | @retval EFI_INVALID_PARAMETER The read request contains LBAs that are not\r | |
833 | valid, or the buffer is not on proper\r | |
834 | alignment.\r | |
835 | @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a\r | |
836 | lack of resources.\r | |
837 | \r | |
838 | **/\r | |
839 | EFI_STATUS\r | |
840 | EFIAPI\r | |
841 | ScsiDiskReadBlocksEx (\r | |
842 | IN EFI_BLOCK_IO2_PROTOCOL *This,\r | |
843 | IN UINT32 MediaId,\r | |
844 | IN EFI_LBA Lba,\r | |
845 | IN OUT EFI_BLOCK_IO2_TOKEN *Token,\r | |
846 | IN UINTN BufferSize,\r | |
847 | OUT VOID *Buffer\r | |
848 | )\r | |
849 | {\r | |
850 | SCSI_DISK_DEV *ScsiDiskDevice;\r | |
851 | EFI_BLOCK_IO_MEDIA *Media;\r | |
852 | EFI_STATUS Status;\r | |
853 | UINTN BlockSize;\r | |
854 | UINTN NumberOfBlocks;\r | |
855 | BOOLEAN MediaChange;\r | |
856 | EFI_TPL OldTpl;\r | |
857 | \r | |
858 | MediaChange = FALSE;\r | |
859 | OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r | |
860 | ScsiDiskDevice = SCSI_DISK_DEV_FROM_BLKIO2 (This);\r | |
861 | \r | |
862 | if (!IS_DEVICE_FIXED(ScsiDiskDevice)) {\r | |
863 | \r | |
864 | Status = ScsiDiskDetectMedia (ScsiDiskDevice, FALSE, &MediaChange);\r | |
865 | if (EFI_ERROR (Status)) {\r | |
866 | Status = EFI_DEVICE_ERROR;\r | |
867 | goto Done;\r | |
868 | }\r | |
869 | \r | |
870 | if (MediaChange) {\r | |
871 | gBS->ReinstallProtocolInterface (\r | |
872 | ScsiDiskDevice->Handle,\r | |
873 | &gEfiBlockIoProtocolGuid,\r | |
874 | &ScsiDiskDevice->BlkIo,\r | |
875 | &ScsiDiskDevice->BlkIo\r | |
876 | );\r | |
877 | gBS->ReinstallProtocolInterface (\r | |
878 | ScsiDiskDevice->Handle,\r | |
879 | &gEfiBlockIo2ProtocolGuid,\r | |
880 | &ScsiDiskDevice->BlkIo2,\r | |
881 | &ScsiDiskDevice->BlkIo2\r | |
882 | );\r | |
883 | Status = EFI_MEDIA_CHANGED;\r | |
884 | goto Done;\r | |
885 | }\r | |
886 | }\r | |
887 | //\r | |
888 | // Get the intrinsic block size\r | |
889 | //\r | |
890 | Media = ScsiDiskDevice->BlkIo2.Media;\r | |
891 | BlockSize = Media->BlockSize;\r | |
892 | \r | |
893 | NumberOfBlocks = BufferSize / BlockSize;\r | |
894 | \r | |
895 | if (!(Media->MediaPresent)) {\r | |
896 | Status = EFI_NO_MEDIA;\r | |
897 | goto Done;\r | |
898 | }\r | |
899 | \r | |
900 | if (MediaId != Media->MediaId) {\r | |
901 | Status = EFI_MEDIA_CHANGED;\r | |
902 | goto Done;\r | |
903 | }\r | |
904 | \r | |
905 | if (Buffer == NULL) {\r | |
906 | Status = EFI_INVALID_PARAMETER;\r | |
907 | goto Done;\r | |
908 | }\r | |
909 | \r | |
910 | if (BufferSize == 0) {\r | |
911 | if ((Token != NULL) && (Token->Event != NULL)) {\r | |
912 | Token->TransactionStatus = EFI_SUCCESS;\r | |
913 | gBS->SignalEvent (Token->Event);\r | |
914 | }\r | |
915 | \r | |
916 | Status = EFI_SUCCESS;\r | |
917 | goto Done;\r | |
918 | }\r | |
919 | \r | |
920 | if (BufferSize % BlockSize != 0) {\r | |
921 | Status = EFI_BAD_BUFFER_SIZE;\r | |
922 | goto Done;\r | |
923 | }\r | |
924 | \r | |
925 | if (Lba > Media->LastBlock) {\r | |
926 | Status = EFI_INVALID_PARAMETER;\r | |
927 | goto Done;\r | |
928 | }\r | |
929 | \r | |
930 | if ((Lba + NumberOfBlocks - 1) > Media->LastBlock) {\r | |
931 | Status = EFI_INVALID_PARAMETER;\r | |
932 | goto Done;\r | |
933 | }\r | |
934 | \r | |
935 | if ((Media->IoAlign > 1) && (((UINTN) Buffer & (Media->IoAlign - 1)) != 0)) {\r | |
936 | Status = EFI_INVALID_PARAMETER;\r | |
937 | goto Done;\r | |
938 | }\r | |
939 | \r | |
940 | //\r | |
941 | // If all the parameters are valid, then perform read sectors command\r | |
942 | // to transfer data from device to host.\r | |
943 | //\r | |
944 | if ((Token != NULL) && (Token->Event != NULL)) {\r | |
945 | Token->TransactionStatus = EFI_SUCCESS;\r | |
946 | Status = ScsiDiskAsyncReadSectors (\r | |
947 | ScsiDiskDevice,\r | |
948 | Buffer,\r | |
949 | Lba,\r | |
950 | NumberOfBlocks,\r | |
951 | Token\r | |
952 | );\r | |
953 | } else {\r | |
954 | Status = ScsiDiskReadSectors (\r | |
955 | ScsiDiskDevice,\r | |
956 | Buffer,\r | |
957 | Lba,\r | |
958 | NumberOfBlocks\r | |
959 | );\r | |
960 | }\r | |
961 | \r | |
962 | Done:\r | |
963 | gBS->RestoreTPL (OldTpl);\r | |
964 | return Status;\r | |
965 | }\r | |
966 | \r | |
967 | /**\r | |
968 | The function is to Write Block to SCSI Disk.\r | |
969 | \r | |
970 | @param This The pointer of EFI_BLOCK_IO_PROTOCOL.\r | |
971 | @param MediaId The Id of Media detected.\r | |
972 | @param Lba The logic block address.\r | |
973 | @param Token A pointer to the token associated with the transaction.\r | |
974 | @param BufferSize The size of Buffer.\r | |
975 | @param Buffer The buffer to fill the read out data.\r | |
976 | \r | |
977 | @retval EFI_SUCCESS The data were written correctly to the device.\r | |
978 | @retval EFI_WRITE_PROTECTED The device cannot be written to.\r | |
979 | @retval EFI_NO_MEDIA There is no media in the device.\r | |
980 | @retval EFI_MEDIA_CHANGED The MediaId is not for the current media.\r | |
981 | @retval EFI_DEVICE_ERROR The device reported an error while attempting\r | |
982 | to perform the write operation.\r | |
983 | @retval EFI_BAD_BUFFER_SIZE The BufferSize parameter is not a multiple of\r | |
984 | the intrinsic block size of the device.\r | |
985 | @retval EFI_INVALID_PARAMETER The write request contains LBAs that are not\r | |
986 | valid, or the buffer is not on proper\r | |
987 | alignment.\r | |
988 | \r | |
989 | **/\r | |
990 | EFI_STATUS\r | |
991 | EFIAPI\r | |
992 | ScsiDiskWriteBlocksEx (\r | |
993 | IN EFI_BLOCK_IO2_PROTOCOL *This,\r | |
994 | IN UINT32 MediaId,\r | |
995 | IN EFI_LBA Lba,\r | |
996 | IN OUT EFI_BLOCK_IO2_TOKEN *Token,\r | |
997 | IN UINTN BufferSize,\r | |
998 | IN VOID *Buffer\r | |
999 | )\r | |
1000 | {\r | |
1001 | SCSI_DISK_DEV *ScsiDiskDevice;\r | |
1002 | EFI_BLOCK_IO_MEDIA *Media;\r | |
1003 | EFI_STATUS Status;\r | |
1004 | UINTN BlockSize;\r | |
1005 | UINTN NumberOfBlocks;\r | |
1006 | BOOLEAN MediaChange;\r | |
1007 | EFI_TPL OldTpl;\r | |
1008 | \r | |
1009 | MediaChange = FALSE;\r | |
1010 | OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r | |
1011 | ScsiDiskDevice = SCSI_DISK_DEV_FROM_BLKIO2 (This);\r | |
1012 | \r | |
1013 | if (!IS_DEVICE_FIXED(ScsiDiskDevice)) {\r | |
1014 | \r | |
1015 | Status = ScsiDiskDetectMedia (ScsiDiskDevice, FALSE, &MediaChange);\r | |
1016 | if (EFI_ERROR (Status)) {\r | |
1017 | Status = EFI_DEVICE_ERROR;\r | |
1018 | goto Done;\r | |
1019 | }\r | |
1020 | \r | |
1021 | if (MediaChange) {\r | |
1022 | gBS->ReinstallProtocolInterface (\r | |
1023 | ScsiDiskDevice->Handle,\r | |
1024 | &gEfiBlockIoProtocolGuid,\r | |
1025 | &ScsiDiskDevice->BlkIo,\r | |
1026 | &ScsiDiskDevice->BlkIo\r | |
1027 | );\r | |
1028 | gBS->ReinstallProtocolInterface (\r | |
1029 | ScsiDiskDevice->Handle,\r | |
1030 | &gEfiBlockIo2ProtocolGuid,\r | |
1031 | &ScsiDiskDevice->BlkIo2,\r | |
1032 | &ScsiDiskDevice->BlkIo2\r | |
1033 | );\r | |
1034 | Status = EFI_MEDIA_CHANGED;\r | |
1035 | goto Done;\r | |
1036 | }\r | |
1037 | }\r | |
1038 | //\r | |
1039 | // Get the intrinsic block size\r | |
1040 | //\r | |
1041 | Media = ScsiDiskDevice->BlkIo2.Media;\r | |
1042 | BlockSize = Media->BlockSize;\r | |
1043 | \r | |
1044 | NumberOfBlocks = BufferSize / BlockSize;\r | |
1045 | \r | |
1046 | if (!(Media->MediaPresent)) {\r | |
1047 | Status = EFI_NO_MEDIA;\r | |
1048 | goto Done;\r | |
1049 | }\r | |
1050 | \r | |
1051 | if (MediaId != Media->MediaId) {\r | |
1052 | Status = EFI_MEDIA_CHANGED;\r | |
1053 | goto Done;\r | |
1054 | }\r | |
1055 | \r | |
1056 | if (Media->ReadOnly) {\r | |
1057 | Status = EFI_WRITE_PROTECTED;\r | |
1058 | goto Done;\r | |
1059 | }\r | |
1060 | \r | |
1061 | if (BufferSize == 0) {\r | |
1062 | if ((Token != NULL) && (Token->Event != NULL)) {\r | |
1063 | Token->TransactionStatus = EFI_SUCCESS;\r | |
1064 | gBS->SignalEvent (Token->Event);\r | |
1065 | }\r | |
1066 | \r | |
1067 | Status = EFI_SUCCESS;\r | |
1068 | goto Done;\r | |
1069 | }\r | |
1070 | \r | |
1071 | if (Buffer == NULL) {\r | |
1072 | Status = EFI_INVALID_PARAMETER;\r | |
1073 | goto Done;\r | |
1074 | }\r | |
1075 | \r | |
1076 | if (BufferSize % BlockSize != 0) {\r | |
1077 | Status = EFI_BAD_BUFFER_SIZE;\r | |
1078 | goto Done;\r | |
1079 | }\r | |
1080 | \r | |
1081 | if (Lba > Media->LastBlock) {\r | |
1082 | Status = EFI_INVALID_PARAMETER;\r | |
1083 | goto Done;\r | |
1084 | }\r | |
1085 | \r | |
1086 | if ((Lba + NumberOfBlocks - 1) > Media->LastBlock) {\r | |
1087 | Status = EFI_INVALID_PARAMETER;\r | |
1088 | goto Done;\r | |
1089 | }\r | |
1090 | \r | |
1091 | if ((Media->IoAlign > 1) && (((UINTN) Buffer & (Media->IoAlign - 1)) != 0)) {\r | |
1092 | Status = EFI_INVALID_PARAMETER;\r | |
1093 | goto Done;\r | |
1094 | }\r | |
1095 | \r | |
1096 | //\r | |
1097 | // if all the parameters are valid, then perform write sectors command\r | |
1098 | // to transfer data from device to host.\r | |
1099 | //\r | |
1100 | if ((Token != NULL) && (Token->Event != NULL)) {\r | |
1101 | Token->TransactionStatus = EFI_SUCCESS;\r | |
1102 | Status = ScsiDiskAsyncWriteSectors (\r | |
1103 | ScsiDiskDevice,\r | |
1104 | Buffer,\r | |
1105 | Lba,\r | |
1106 | NumberOfBlocks,\r | |
1107 | Token\r | |
1108 | );\r | |
1109 | } else {\r | |
1110 | Status = ScsiDiskWriteSectors (\r | |
1111 | ScsiDiskDevice,\r | |
1112 | Buffer,\r | |
1113 | Lba,\r | |
1114 | NumberOfBlocks\r | |
1115 | );\r | |
1116 | }\r | |
1117 | \r | |
1118 | Done:\r | |
1119 | gBS->RestoreTPL (OldTpl);\r | |
1120 | return Status;\r | |
1121 | }\r | |
1122 | \r | |
1123 | /**\r | |
1124 | Flush the Block Device.\r | |
1125 | \r | |
1126 | @param This Indicates a pointer to the calling context.\r | |
1127 | @param Token A pointer to the token associated with the transaction.\r | |
1128 | \r | |
1129 | @retval EFI_SUCCESS All outstanding data was written to the device.\r | |
1130 | @retval EFI_DEVICE_ERROR The device reported an error while attempting to\r | |
1131 | write data.\r | |
1132 | @retval EFI_WRITE_PROTECTED The device cannot be written to.\r | |
1133 | @retval EFI_NO_MEDIA There is no media in the device.\r | |
1134 | @retval EFI_MEDIA_CHANGED The MediaId is not for the current media.\r | |
1135 | \r | |
1136 | **/\r | |
1137 | EFI_STATUS\r | |
1138 | EFIAPI\r | |
1139 | ScsiDiskFlushBlocksEx (\r | |
1140 | IN EFI_BLOCK_IO2_PROTOCOL *This,\r | |
1141 | IN OUT EFI_BLOCK_IO2_TOKEN *Token\r | |
1142 | )\r | |
1143 | {\r | |
1144 | SCSI_DISK_DEV *ScsiDiskDevice;\r | |
1145 | EFI_BLOCK_IO_MEDIA *Media;\r | |
1146 | EFI_STATUS Status;\r | |
1147 | BOOLEAN MediaChange;\r | |
1148 | EFI_TPL OldTpl;\r | |
1149 | \r | |
1150 | MediaChange = FALSE;\r | |
1151 | OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r | |
1152 | ScsiDiskDevice = SCSI_DISK_DEV_FROM_BLKIO2 (This);\r | |
1153 | \r | |
1154 | if (!IS_DEVICE_FIXED(ScsiDiskDevice)) {\r | |
1155 | \r | |
1156 | Status = ScsiDiskDetectMedia (ScsiDiskDevice, FALSE, &MediaChange);\r | |
1157 | if (EFI_ERROR (Status)) {\r | |
1158 | Status = EFI_DEVICE_ERROR;\r | |
1159 | goto Done;\r | |
1160 | }\r | |
1161 | \r | |
1162 | if (MediaChange) {\r | |
1163 | gBS->ReinstallProtocolInterface (\r | |
1164 | ScsiDiskDevice->Handle,\r | |
1165 | &gEfiBlockIoProtocolGuid,\r | |
1166 | &ScsiDiskDevice->BlkIo,\r | |
1167 | &ScsiDiskDevice->BlkIo\r | |
1168 | );\r | |
1169 | gBS->ReinstallProtocolInterface (\r | |
1170 | ScsiDiskDevice->Handle,\r | |
1171 | &gEfiBlockIo2ProtocolGuid,\r | |
1172 | &ScsiDiskDevice->BlkIo2,\r | |
1173 | &ScsiDiskDevice->BlkIo2\r | |
1174 | );\r | |
1175 | Status = EFI_MEDIA_CHANGED;\r | |
1176 | goto Done;\r | |
1177 | }\r | |
1178 | }\r | |
1179 | \r | |
1180 | Media = ScsiDiskDevice->BlkIo2.Media;\r | |
1181 | \r | |
1182 | if (!(Media->MediaPresent)) {\r | |
1183 | Status = EFI_NO_MEDIA;\r | |
1184 | goto Done;\r | |
1185 | }\r | |
1186 | \r | |
1187 | if (Media->ReadOnly) {\r | |
1188 | Status = EFI_WRITE_PROTECTED;\r | |
1189 | goto Done;\r | |
1190 | }\r | |
1191 | \r | |
1192 | //\r | |
1193 | // Wait for the BlockIo2 requests queue to become empty\r | |
1194 | //\r | |
1195 | while (!IsListEmpty (&ScsiDiskDevice->BlkIo2Queue));\r | |
1196 | \r | |
1197 | Status = EFI_SUCCESS;\r | |
1198 | \r | |
1199 | //\r | |
1200 | // Signal caller event\r | |
1201 | //\r | |
1202 | if ((Token != NULL) && (Token->Event != NULL)) {\r | |
1203 | Token->TransactionStatus = EFI_SUCCESS;\r | |
1204 | gBS->SignalEvent (Token->Event);\r | |
1205 | }\r | |
1206 | \r | |
1207 | Done:\r | |
1208 | gBS->RestoreTPL (OldTpl);\r | |
1209 | return Status;\r | |
1210 | }\r | |
1211 | \r | |
1212 | \r | |
1213 | /**\r | |
1214 | Detect Device and read out capacity ,if error occurs, parse the sense key.\r | |
1215 | \r | |
1216 | @param ScsiDiskDevice The pointer of SCSI_DISK_DEV\r | |
1217 | @param MustReadCapacity The flag about reading device capacity\r | |
1218 | @param MediaChange The pointer of flag indicates if media has changed \r | |
1219 | \r | |
1220 | @retval EFI_DEVICE_ERROR Indicates that error occurs\r | |
1221 | @retval EFI_SUCCESS Successfully to detect media\r | |
1222 | \r | |
1223 | **/\r | |
1224 | EFI_STATUS\r | |
1225 | ScsiDiskDetectMedia (\r | |
1226 | IN SCSI_DISK_DEV *ScsiDiskDevice,\r | |
1227 | IN BOOLEAN MustReadCapacity,\r | |
1228 | OUT BOOLEAN *MediaChange\r | |
1229 | )\r | |
1230 | {\r | |
1231 | EFI_STATUS Status;\r | |
1232 | EFI_SCSI_SENSE_DATA *SenseData;\r | |
1233 | UINTN NumberOfSenseKeys;\r | |
1234 | BOOLEAN NeedRetry;\r | |
1235 | BOOLEAN NeedReadCapacity;\r | |
1236 | UINT8 Retry;\r | |
1237 | UINT8 MaxRetry;\r | |
1238 | EFI_BLOCK_IO_MEDIA OldMedia;\r | |
1239 | UINTN Action;\r | |
1240 | EFI_EVENT TimeoutEvt;\r | |
1241 | \r | |
1242 | Status = EFI_SUCCESS;\r | |
1243 | SenseData = NULL;\r | |
1244 | NumberOfSenseKeys = 0;\r | |
1245 | Retry = 0;\r | |
1246 | MaxRetry = 3;\r | |
1247 | Action = ACTION_NO_ACTION;\r | |
1248 | NeedReadCapacity = FALSE;\r | |
1249 | *MediaChange = FALSE;\r | |
1250 | TimeoutEvt = NULL;\r | |
1251 | \r | |
1252 | CopyMem (&OldMedia, ScsiDiskDevice->BlkIo.Media, sizeof (OldMedia));\r | |
1253 | \r | |
1254 | Status = gBS->CreateEvent (\r | |
1255 | EVT_TIMER,\r | |
1256 | TPL_CALLBACK,\r | |
1257 | NULL,\r | |
1258 | NULL,\r | |
1259 | &TimeoutEvt\r | |
1260 | );\r | |
1261 | if (EFI_ERROR (Status)) {\r | |
1262 | return Status;\r | |
1263 | }\r | |
1264 | \r | |
1265 | Status = gBS->SetTimer (TimeoutEvt, TimerRelative, EFI_TIMER_PERIOD_SECONDS(120));\r | |
1266 | if (EFI_ERROR (Status)) {\r | |
1267 | goto EXIT;\r | |
1268 | }\r | |
1269 | \r | |
1270 | //\r | |
1271 | // Sending Test_Unit cmd to poll device status.\r | |
1272 | // If the sense data shows the drive is not ready or reset before, we need poll the device status again.\r | |
1273 | // We limit the upper boundary to 120 seconds.\r | |
1274 | //\r | |
1275 | while (EFI_ERROR (gBS->CheckEvent (TimeoutEvt))) {\r | |
1276 | Status = ScsiDiskTestUnitReady (\r | |
1277 | ScsiDiskDevice,\r | |
1278 | &NeedRetry,\r | |
1279 | &SenseData,\r | |
1280 | &NumberOfSenseKeys\r | |
1281 | );\r | |
1282 | if (!EFI_ERROR (Status)) {\r | |
1283 | Status = DetectMediaParsingSenseKeys (\r | |
1284 | ScsiDiskDevice,\r | |
1285 | SenseData,\r | |
1286 | NumberOfSenseKeys,\r | |
1287 | &Action\r | |
1288 | );\r | |
1289 | if (EFI_ERROR (Status)) {\r | |
1290 | goto EXIT;\r | |
1291 | } else if (Action == ACTION_RETRY_COMMAND_LATER) {\r | |
1292 | continue;\r | |
1293 | } else {\r | |
1294 | break;\r | |
1295 | }\r | |
1296 | } else {\r | |
1297 | Retry++;\r | |
1298 | if (!NeedRetry || (Retry >= MaxRetry)) {\r | |
1299 | goto EXIT;\r | |
1300 | }\r | |
1301 | }\r | |
1302 | }\r | |
1303 | \r | |
1304 | if (EFI_ERROR (Status)) {\r | |
1305 | goto EXIT;\r | |
1306 | }\r | |
1307 | \r | |
1308 | //\r | |
1309 | // ACTION_NO_ACTION: need not read capacity\r | |
1310 | // other action code: need read capacity\r | |
1311 | //\r | |
1312 | if (Action == ACTION_READ_CAPACITY) {\r | |
1313 | NeedReadCapacity = TRUE;\r | |
1314 | }\r | |
1315 | \r | |
1316 | //\r | |
1317 | // either NeedReadCapacity is TRUE, or MustReadCapacity is TRUE,\r | |
1318 | // retrieve capacity via Read Capacity command\r | |
1319 | //\r | |
1320 | if (NeedReadCapacity || MustReadCapacity) {\r | |
1321 | //\r | |
1322 | // retrieve media information\r | |
1323 | //\r | |
1324 | for (Retry = 0; Retry < MaxRetry; Retry++) {\r | |
1325 | Status = ScsiDiskReadCapacity (\r | |
1326 | ScsiDiskDevice,\r | |
1327 | &NeedRetry,\r | |
1328 | &SenseData,\r | |
1329 | &NumberOfSenseKeys\r | |
1330 | );\r | |
1331 | if (!EFI_ERROR (Status)) {\r | |
1332 | //\r | |
1333 | // analyze sense key to action\r | |
1334 | //\r | |
1335 | Status = DetectMediaParsingSenseKeys (\r | |
1336 | ScsiDiskDevice,\r | |
1337 | SenseData,\r | |
1338 | NumberOfSenseKeys,\r | |
1339 | &Action\r | |
1340 | );\r | |
1341 | if (EFI_ERROR (Status)) {\r | |
1342 | //\r | |
1343 | // if Status is error, it may indicate crisis error,\r | |
1344 | // so return without retry.\r | |
1345 | //\r | |
1346 | goto EXIT;\r | |
1347 | } else if (Action == ACTION_RETRY_COMMAND_LATER) {\r | |
1348 | Retry = 0;\r | |
1349 | continue;\r | |
1350 | } else {\r | |
1351 | break;\r | |
1352 | }\r | |
1353 | } else { \r | |
1354 | Retry++;\r | |
1355 | if (!NeedRetry || (Retry >= MaxRetry)) {\r | |
1356 | goto EXIT;\r | |
1357 | }\r | |
1358 | }\r | |
1359 | }\r | |
1360 | \r | |
1361 | if (EFI_ERROR (Status)) {\r | |
1362 | goto EXIT;\r | |
1363 | }\r | |
1364 | }\r | |
1365 | \r | |
1366 | if (ScsiDiskDevice->BlkIo.Media->MediaId != OldMedia.MediaId) {\r | |
1367 | //\r | |
1368 | // Media change information got from the device\r | |
1369 | //\r | |
1370 | *MediaChange = TRUE;\r | |
1371 | }\r | |
1372 | \r | |
1373 | if (ScsiDiskDevice->BlkIo.Media->ReadOnly != OldMedia.ReadOnly) {\r | |
1374 | *MediaChange = TRUE;\r | |
1375 | ScsiDiskDevice->BlkIo.Media->MediaId += 1;\r | |
1376 | }\r | |
1377 | \r | |
1378 | if (ScsiDiskDevice->BlkIo.Media->BlockSize != OldMedia.BlockSize) {\r | |
1379 | *MediaChange = TRUE;\r | |
1380 | ScsiDiskDevice->BlkIo.Media->MediaId += 1;\r | |
1381 | }\r | |
1382 | \r | |
1383 | if (ScsiDiskDevice->BlkIo.Media->LastBlock != OldMedia.LastBlock) {\r | |
1384 | *MediaChange = TRUE;\r | |
1385 | ScsiDiskDevice->BlkIo.Media->MediaId += 1;\r | |
1386 | }\r | |
1387 | \r | |
1388 | if (ScsiDiskDevice->BlkIo.Media->MediaPresent != OldMedia.MediaPresent) {\r | |
1389 | if (ScsiDiskDevice->BlkIo.Media->MediaPresent) {\r | |
1390 | //\r | |
1391 | // when change from no media to media present, reset the MediaId to 1.\r | |
1392 | //\r | |
1393 | ScsiDiskDevice->BlkIo.Media->MediaId = 1;\r | |
1394 | } else {\r | |
1395 | //\r | |
1396 | // when no media, reset the MediaId to zero.\r | |
1397 | //\r | |
1398 | ScsiDiskDevice->BlkIo.Media->MediaId = 0;\r | |
1399 | }\r | |
1400 | \r | |
1401 | *MediaChange = TRUE;\r | |
1402 | }\r | |
1403 | \r | |
1404 | EXIT:\r | |
1405 | if (TimeoutEvt != NULL) {\r | |
1406 | gBS->CloseEvent (TimeoutEvt);\r | |
1407 | }\r | |
1408 | return Status;\r | |
1409 | }\r | |
1410 | \r | |
1411 | \r | |
1412 | /**\r | |
1413 | Send out Inquiry command to Device.\r | |
1414 | \r | |
1415 | @param ScsiDiskDevice The pointer of SCSI_DISK_DEV\r | |
1416 | @param NeedRetry Indicates if needs try again when error happens\r | |
1417 | \r | |
1418 | @retval EFI_DEVICE_ERROR Indicates that error occurs\r | |
1419 | @retval EFI_SUCCESS Successfully to detect media\r | |
1420 | \r | |
1421 | **/\r | |
1422 | EFI_STATUS\r | |
1423 | ScsiDiskInquiryDevice (\r | |
1424 | IN OUT SCSI_DISK_DEV *ScsiDiskDevice,\r | |
1425 | OUT BOOLEAN *NeedRetry\r | |
1426 | )\r | |
1427 | {\r | |
1428 | UINT32 InquiryDataLength;\r | |
1429 | UINT8 SenseDataLength;\r | |
1430 | UINT8 HostAdapterStatus;\r | |
1431 | UINT8 TargetStatus;\r | |
1432 | EFI_SCSI_SENSE_DATA *SenseDataArray;\r | |
1433 | UINTN NumberOfSenseKeys;\r | |
1434 | EFI_STATUS Status;\r | |
1435 | UINT8 MaxRetry;\r | |
1436 | UINT8 Index;\r | |
1437 | EFI_SCSI_SUPPORTED_VPD_PAGES_VPD_PAGE *SupportedVpdPages;\r | |
1438 | EFI_SCSI_BLOCK_LIMITS_VPD_PAGE *BlockLimits;\r | |
1439 | UINTN PageLength;\r | |
1440 | \r | |
1441 | InquiryDataLength = sizeof (EFI_SCSI_INQUIRY_DATA);\r | |
1442 | SenseDataLength = 0;\r | |
1443 | \r | |
1444 | Status = ScsiInquiryCommand (\r | |
1445 | ScsiDiskDevice->ScsiIo,\r | |
1446 | SCSI_DISK_TIMEOUT,\r | |
1447 | NULL,\r | |
1448 | &SenseDataLength,\r | |
1449 | &HostAdapterStatus,\r | |
1450 | &TargetStatus,\r | |
1451 | (VOID *) &(ScsiDiskDevice->InquiryData),\r | |
1452 | &InquiryDataLength,\r | |
1453 | FALSE\r | |
1454 | );\r | |
1455 | //\r | |
1456 | // no need to check HostAdapterStatus and TargetStatus\r | |
1457 | //\r | |
1458 | if ((Status == EFI_SUCCESS) || (Status == EFI_WARN_BUFFER_TOO_SMALL)) {\r | |
1459 | ParseInquiryData (ScsiDiskDevice);\r | |
1460 | \r | |
1461 | if (ScsiDiskDevice->DeviceType == EFI_SCSI_TYPE_DISK) {\r | |
1462 | //\r | |
1463 | // Check whether the device supports Block Limits VPD page (0xB0)\r | |
1464 | //\r | |
1465 | SupportedVpdPages = AllocateAlignedBuffer (ScsiDiskDevice, sizeof (EFI_SCSI_SUPPORTED_VPD_PAGES_VPD_PAGE));\r | |
1466 | if (SupportedVpdPages == NULL) {\r | |
1467 | *NeedRetry = FALSE;\r | |
1468 | return EFI_DEVICE_ERROR;\r | |
1469 | }\r | |
1470 | ZeroMem (SupportedVpdPages, sizeof (EFI_SCSI_SUPPORTED_VPD_PAGES_VPD_PAGE));\r | |
1471 | InquiryDataLength = sizeof (EFI_SCSI_SUPPORTED_VPD_PAGES_VPD_PAGE);\r | |
1472 | SenseDataLength = 0;\r | |
1473 | Status = ScsiInquiryCommandEx (\r | |
1474 | ScsiDiskDevice->ScsiIo,\r | |
1475 | SCSI_DISK_TIMEOUT,\r | |
1476 | NULL,\r | |
1477 | &SenseDataLength,\r | |
1478 | &HostAdapterStatus,\r | |
1479 | &TargetStatus,\r | |
1480 | (VOID *) SupportedVpdPages,\r | |
1481 | &InquiryDataLength,\r | |
1482 | TRUE,\r | |
1483 | EFI_SCSI_PAGE_CODE_SUPPORTED_VPD\r | |
1484 | );\r | |
1485 | if (!EFI_ERROR (Status)) {\r | |
1486 | PageLength = (SupportedVpdPages->PageLength2 << 8)\r | |
1487 | | SupportedVpdPages->PageLength1;\r | |
1488 | for (Index = 0; Index < PageLength; Index++) {\r | |
1489 | if (SupportedVpdPages->SupportedVpdPageList[Index] == EFI_SCSI_PAGE_CODE_BLOCK_LIMITS_VPD) {\r | |
1490 | break;\r | |
1491 | }\r | |
1492 | }\r | |
1493 | \r | |
1494 | //\r | |
1495 | // Query the Block Limits VPD page\r | |
1496 | //\r | |
1497 | if (Index < PageLength) {\r | |
1498 | BlockLimits = AllocateAlignedBuffer (ScsiDiskDevice, sizeof (EFI_SCSI_BLOCK_LIMITS_VPD_PAGE));\r | |
1499 | if (BlockLimits == NULL) {\r | |
1500 | FreeAlignedBuffer (SupportedVpdPages, sizeof (EFI_SCSI_SUPPORTED_VPD_PAGES_VPD_PAGE));\r | |
1501 | *NeedRetry = FALSE;\r | |
1502 | return EFI_DEVICE_ERROR;\r | |
1503 | }\r | |
1504 | ZeroMem (BlockLimits, sizeof (EFI_SCSI_BLOCK_LIMITS_VPD_PAGE));\r | |
1505 | InquiryDataLength = sizeof (EFI_SCSI_BLOCK_LIMITS_VPD_PAGE);\r | |
1506 | SenseDataLength = 0;\r | |
1507 | Status = ScsiInquiryCommandEx (\r | |
1508 | ScsiDiskDevice->ScsiIo,\r | |
1509 | SCSI_DISK_TIMEOUT,\r | |
1510 | NULL,\r | |
1511 | &SenseDataLength,\r | |
1512 | &HostAdapterStatus,\r | |
1513 | &TargetStatus,\r | |
1514 | (VOID *) BlockLimits,\r | |
1515 | &InquiryDataLength,\r | |
1516 | TRUE,\r | |
1517 | EFI_SCSI_PAGE_CODE_BLOCK_LIMITS_VPD\r | |
1518 | );\r | |
1519 | if (!EFI_ERROR (Status)) {\r | |
1520 | ScsiDiskDevice->BlkIo.Media->OptimalTransferLengthGranularity = \r | |
1521 | (BlockLimits->OptimalTransferLengthGranularity2 << 8) |\r | |
1522 | BlockLimits->OptimalTransferLengthGranularity1;\r | |
1523 | }\r | |
1524 | \r | |
1525 | FreeAlignedBuffer (BlockLimits, sizeof (EFI_SCSI_BLOCK_LIMITS_VPD_PAGE));\r | |
1526 | }\r | |
1527 | }\r | |
1528 | \r | |
1529 | FreeAlignedBuffer (SupportedVpdPages, sizeof (EFI_SCSI_SUPPORTED_VPD_PAGES_VPD_PAGE));\r | |
1530 | }\r | |
1531 | }\r | |
1532 | \r | |
1533 | if (!EFI_ERROR (Status)) {\r | |
1534 | return EFI_SUCCESS;\r | |
1535 | \r | |
1536 | } else if (Status == EFI_NOT_READY) {\r | |
1537 | *NeedRetry = TRUE;\r | |
1538 | return EFI_DEVICE_ERROR;\r | |
1539 | \r | |
1540 | } else if ((Status == EFI_INVALID_PARAMETER) || (Status == EFI_UNSUPPORTED)) {\r | |
1541 | *NeedRetry = FALSE;\r | |
1542 | return EFI_DEVICE_ERROR;\r | |
1543 | }\r | |
1544 | //\r | |
1545 | // go ahead to check HostAdapterStatus and TargetStatus\r | |
1546 | // (EFI_TIMEOUT, EFI_DEVICE_ERROR)\r | |
1547 | //\r | |
1548 | \r | |
1549 | Status = CheckHostAdapterStatus (HostAdapterStatus);\r | |
1550 | if ((Status == EFI_TIMEOUT) || (Status == EFI_NOT_READY)) {\r | |
1551 | *NeedRetry = TRUE;\r | |
1552 | return EFI_DEVICE_ERROR;\r | |
1553 | } else if (Status == EFI_DEVICE_ERROR) {\r | |
1554 | //\r | |
1555 | // reset the scsi channel\r | |
1556 | //\r | |
1557 | ScsiDiskDevice->ScsiIo->ResetBus (ScsiDiskDevice->ScsiIo);\r | |
1558 | *NeedRetry = FALSE;\r | |
1559 | return EFI_DEVICE_ERROR;\r | |
1560 | }\r | |
1561 | \r | |
1562 | Status = CheckTargetStatus (TargetStatus);\r | |
1563 | if (Status == EFI_NOT_READY) {\r | |
1564 | //\r | |
1565 | // reset the scsi device\r | |
1566 | //\r | |
1567 | ScsiDiskDevice->ScsiIo->ResetDevice (ScsiDiskDevice->ScsiIo);\r | |
1568 | *NeedRetry = TRUE;\r | |
1569 | return EFI_DEVICE_ERROR;\r | |
1570 | \r | |
1571 | } else if (Status == EFI_DEVICE_ERROR) {\r | |
1572 | *NeedRetry = FALSE;\r | |
1573 | return EFI_DEVICE_ERROR;\r | |
1574 | }\r | |
1575 | \r | |
1576 | //\r | |
1577 | // if goes here, meant ScsiInquiryCommand() failed.\r | |
1578 | // if ScsiDiskRequestSenseKeys() succeeds at last,\r | |
1579 | // better retry ScsiInquiryCommand(). (by setting *NeedRetry = TRUE)\r | |
1580 | //\r | |
1581 | MaxRetry = 3;\r | |
1582 | for (Index = 0; Index < MaxRetry; Index++) {\r | |
1583 | Status = ScsiDiskRequestSenseKeys (\r | |
1584 | ScsiDiskDevice,\r | |
1585 | NeedRetry,\r | |
1586 | &SenseDataArray,\r | |
1587 | &NumberOfSenseKeys,\r | |
1588 | TRUE\r | |
1589 | );\r | |
1590 | if (!EFI_ERROR (Status)) {\r | |
1591 | *NeedRetry = TRUE;\r | |
1592 | return EFI_DEVICE_ERROR;\r | |
1593 | }\r | |
1594 | \r | |
1595 | if (!*NeedRetry) {\r | |
1596 | return EFI_DEVICE_ERROR;\r | |
1597 | }\r | |
1598 | }\r | |
1599 | //\r | |
1600 | // ScsiDiskRequestSenseKeys() failed after several rounds of retry.\r | |
1601 | // set *NeedRetry = FALSE to avoid the outside caller try again.\r | |
1602 | //\r | |
1603 | *NeedRetry = FALSE;\r | |
1604 | return EFI_DEVICE_ERROR;\r | |
1605 | }\r | |
1606 | \r | |
1607 | /**\r | |
1608 | To test device.\r | |
1609 | \r | |
1610 | When Test Unit Ready command succeeds, retrieve Sense Keys via Request Sense;\r | |
1611 | When Test Unit Ready command encounters any error caused by host adapter or\r | |
1612 | target, return error without retrieving Sense Keys.\r | |
1613 | \r | |
1614 | @param ScsiDiskDevice The pointer of SCSI_DISK_DEV\r | |
1615 | @param NeedRetry The pointer of flag indicates try again\r | |
1616 | @param SenseDataArray The pointer of an array of sense data\r | |
1617 | @param NumberOfSenseKeys The pointer of the number of sense data array\r | |
1618 | \r | |
1619 | @retval EFI_DEVICE_ERROR Indicates that error occurs\r | |
1620 | @retval EFI_SUCCESS Successfully to test unit\r | |
1621 | \r | |
1622 | **/\r | |
1623 | EFI_STATUS\r | |
1624 | ScsiDiskTestUnitReady (\r | |
1625 | IN SCSI_DISK_DEV *ScsiDiskDevice,\r | |
1626 | OUT BOOLEAN *NeedRetry,\r | |
1627 | OUT EFI_SCSI_SENSE_DATA **SenseDataArray,\r | |
1628 | OUT UINTN *NumberOfSenseKeys\r | |
1629 | )\r | |
1630 | {\r | |
1631 | EFI_STATUS Status;\r | |
1632 | UINT8 SenseDataLength;\r | |
1633 | UINT8 HostAdapterStatus;\r | |
1634 | UINT8 TargetStatus;\r | |
1635 | UINT8 Index;\r | |
1636 | UINT8 MaxRetry;\r | |
1637 | \r | |
1638 | SenseDataLength = (UINT8) (ScsiDiskDevice->SenseDataNumber * sizeof (EFI_SCSI_SENSE_DATA));\r | |
1639 | *NumberOfSenseKeys = 0;\r | |
1640 | \r | |
1641 | //\r | |
1642 | // Parameter 3 and 4: do not require sense data, retrieve it when needed.\r | |
1643 | //\r | |
1644 | Status = ScsiTestUnitReadyCommand (\r | |
1645 | ScsiDiskDevice->ScsiIo,\r | |
1646 | SCSI_DISK_TIMEOUT,\r | |
1647 | ScsiDiskDevice->SenseData,\r | |
1648 | &SenseDataLength,\r | |
1649 | &HostAdapterStatus,\r | |
1650 | &TargetStatus\r | |
1651 | );\r | |
1652 | //\r | |
1653 | // no need to check HostAdapterStatus and TargetStatus\r | |
1654 | //\r | |
1655 | if (Status == EFI_NOT_READY) {\r | |
1656 | *NeedRetry = TRUE;\r | |
1657 | return EFI_DEVICE_ERROR;\r | |
1658 | \r | |
1659 | } else if ((Status == EFI_INVALID_PARAMETER) || (Status == EFI_UNSUPPORTED)) {\r | |
1660 | *NeedRetry = FALSE;\r | |
1661 | return EFI_DEVICE_ERROR;\r | |
1662 | }\r | |
1663 | //\r | |
1664 | // go ahead to check HostAdapterStatus and TargetStatus(in case of EFI_DEVICE_ERROR)\r | |
1665 | //\r | |
1666 | \r | |
1667 | Status = CheckHostAdapterStatus (HostAdapterStatus);\r | |
1668 | if ((Status == EFI_TIMEOUT) || (Status == EFI_NOT_READY)) {\r | |
1669 | *NeedRetry = TRUE;\r | |
1670 | return EFI_DEVICE_ERROR;\r | |
1671 | \r | |
1672 | } else if (Status == EFI_DEVICE_ERROR) {\r | |
1673 | //\r | |
1674 | // reset the scsi channel\r | |
1675 | //\r | |
1676 | ScsiDiskDevice->ScsiIo->ResetBus (ScsiDiskDevice->ScsiIo);\r | |
1677 | *NeedRetry = FALSE;\r | |
1678 | return EFI_DEVICE_ERROR;\r | |
1679 | }\r | |
1680 | \r | |
1681 | Status = CheckTargetStatus (TargetStatus);\r | |
1682 | if (Status == EFI_NOT_READY) {\r | |
1683 | //\r | |
1684 | // reset the scsi device\r | |
1685 | //\r | |
1686 | ScsiDiskDevice->ScsiIo->ResetDevice (ScsiDiskDevice->ScsiIo);\r | |
1687 | *NeedRetry = TRUE;\r | |
1688 | return EFI_DEVICE_ERROR;\r | |
1689 | \r | |
1690 | } else if (Status == EFI_DEVICE_ERROR) {\r | |
1691 | *NeedRetry = FALSE;\r | |
1692 | return EFI_DEVICE_ERROR;\r | |
1693 | }\r | |
1694 | \r | |
1695 | if (SenseDataLength != 0) {\r | |
1696 | *NumberOfSenseKeys = SenseDataLength / sizeof (EFI_SCSI_SENSE_DATA);\r | |
1697 | *SenseDataArray = ScsiDiskDevice->SenseData;\r | |
1698 | return EFI_SUCCESS;\r | |
1699 | }\r | |
1700 | \r | |
1701 | MaxRetry = 3;\r | |
1702 | for (Index = 0; Index < MaxRetry; Index++) {\r | |
1703 | Status = ScsiDiskRequestSenseKeys (\r | |
1704 | ScsiDiskDevice,\r | |
1705 | NeedRetry,\r | |
1706 | SenseDataArray,\r | |
1707 | NumberOfSenseKeys,\r | |
1708 | FALSE\r | |
1709 | );\r | |
1710 | if (!EFI_ERROR (Status)) {\r | |
1711 | return EFI_SUCCESS;\r | |
1712 | }\r | |
1713 | \r | |
1714 | if (!*NeedRetry) {\r | |
1715 | return EFI_DEVICE_ERROR;\r | |
1716 | }\r | |
1717 | }\r | |
1718 | //\r | |
1719 | // ScsiDiskRequestSenseKeys() failed after several rounds of retry.\r | |
1720 | // set *NeedRetry = FALSE to avoid the outside caller try again.\r | |
1721 | //\r | |
1722 | *NeedRetry = FALSE;\r | |
1723 | return EFI_DEVICE_ERROR;\r | |
1724 | }\r | |
1725 | \r | |
1726 | /**\r | |
1727 | Parsing Sense Keys which got from request sense command.\r | |
1728 | \r | |
1729 | @param ScsiDiskDevice The pointer of SCSI_DISK_DEV\r | |
1730 | @param SenseData The pointer of EFI_SCSI_SENSE_DATA\r | |
1731 | @param NumberOfSenseKeys The number of sense key \r | |
1732 | @param Action The pointer of action which indicates what is need to do next\r | |
1733 | \r | |
1734 | @retval EFI_DEVICE_ERROR Indicates that error occurs\r | |
1735 | @retval EFI_SUCCESS Successfully to complete the parsing\r | |
1736 | \r | |
1737 | **/\r | |
1738 | EFI_STATUS\r | |
1739 | DetectMediaParsingSenseKeys (\r | |
1740 | OUT SCSI_DISK_DEV *ScsiDiskDevice,\r | |
1741 | IN EFI_SCSI_SENSE_DATA *SenseData,\r | |
1742 | IN UINTN NumberOfSenseKeys,\r | |
1743 | OUT UINTN *Action\r | |
1744 | )\r | |
1745 | {\r | |
1746 | BOOLEAN RetryLater;\r | |
1747 | \r | |
1748 | //\r | |
1749 | // Default is to read capacity, unless..\r | |
1750 | //\r | |
1751 | *Action = ACTION_READ_CAPACITY;\r | |
1752 | \r | |
1753 | if (NumberOfSenseKeys == 0) {\r | |
1754 | if (ScsiDiskDevice->BlkIo.Media->MediaPresent == TRUE) {\r | |
1755 | *Action = ACTION_NO_ACTION;\r | |
1756 | }\r | |
1757 | return EFI_SUCCESS;\r | |
1758 | }\r | |
1759 | \r | |
1760 | if (!ScsiDiskHaveSenseKey (SenseData, NumberOfSenseKeys)) {\r | |
1761 | //\r | |
1762 | // No Sense Key returned from last submitted command\r | |
1763 | //\r | |
1764 | if (ScsiDiskDevice->BlkIo.Media->MediaPresent == TRUE) {\r | |
1765 | *Action = ACTION_NO_ACTION;\r | |
1766 | }\r | |
1767 | return EFI_SUCCESS;\r | |
1768 | }\r | |
1769 | \r | |
1770 | if (ScsiDiskIsNoMedia (SenseData, NumberOfSenseKeys)) {\r | |
1771 | ScsiDiskDevice->BlkIo.Media->MediaPresent = FALSE;\r | |
1772 | ScsiDiskDevice->BlkIo.Media->LastBlock = 0;\r | |
1773 | *Action = ACTION_NO_ACTION;\r | |
1774 | DEBUG ((EFI_D_VERBOSE, "ScsiDisk: ScsiDiskIsNoMedia\n"));\r | |
1775 | return EFI_SUCCESS;\r | |
1776 | }\r | |
1777 | \r | |
1778 | if (ScsiDiskIsMediaChange (SenseData, NumberOfSenseKeys)) {\r | |
1779 | ScsiDiskDevice->BlkIo.Media->MediaId++;\r | |
1780 | DEBUG ((EFI_D_VERBOSE, "ScsiDisk: ScsiDiskIsMediaChange!\n"));\r | |
1781 | return EFI_SUCCESS;\r | |
1782 | }\r | |
1783 | \r | |
1784 | if (ScsiDiskIsResetBefore (SenseData, NumberOfSenseKeys)) {\r | |
1785 | *Action = ACTION_RETRY_COMMAND_LATER;\r | |
1786 | DEBUG ((EFI_D_VERBOSE, "ScsiDisk: ScsiDiskIsResetBefore!\n"));\r | |
1787 | return EFI_SUCCESS;\r | |
1788 | }\r | |
1789 | \r | |
1790 | if (ScsiDiskIsMediaError (SenseData, NumberOfSenseKeys)) {\r | |
1791 | DEBUG ((EFI_D_VERBOSE, "ScsiDisk: ScsiDiskIsMediaError\n"));\r | |
1792 | *Action = ACTION_RETRY_WITH_BACKOFF_ALGO;\r | |
1793 | return EFI_DEVICE_ERROR;\r | |
1794 | }\r | |
1795 | \r | |
1796 | if (ScsiDiskIsHardwareError (SenseData, NumberOfSenseKeys)) {\r | |
1797 | DEBUG ((EFI_D_VERBOSE, "ScsiDisk: ScsiDiskIsHardwareError\n"));\r | |
1798 | *Action = ACTION_RETRY_WITH_BACKOFF_ALGO;\r | |
1799 | return EFI_DEVICE_ERROR;\r | |
1800 | }\r | |
1801 | \r | |
1802 | if (!ScsiDiskIsDriveReady (SenseData, NumberOfSenseKeys, &RetryLater)) {\r | |
1803 | if (RetryLater) {\r | |
1804 | *Action = ACTION_RETRY_COMMAND_LATER;\r | |
1805 | DEBUG ((EFI_D_VERBOSE, "ScsiDisk: ScsiDiskDriveNotReady!\n"));\r | |
1806 | return EFI_SUCCESS;\r | |
1807 | }\r | |
1808 | *Action = ACTION_NO_ACTION;\r | |
1809 | return EFI_DEVICE_ERROR;\r | |
1810 | }\r | |
1811 | \r | |
1812 | *Action = ACTION_RETRY_WITH_BACKOFF_ALGO;\r | |
1813 | DEBUG ((EFI_D_VERBOSE, "ScsiDisk: Sense Key = 0x%x ASC = 0x%x!\n", SenseData->Sense_Key, SenseData->Addnl_Sense_Code));\r | |
1814 | return EFI_SUCCESS;\r | |
1815 | }\r | |
1816 | \r | |
1817 | \r | |
1818 | /**\r | |
1819 | Send read capacity command to device and get the device parameter.\r | |
1820 | \r | |
1821 | @param ScsiDiskDevice The pointer of SCSI_DISK_DEV\r | |
1822 | @param NeedRetry The pointer of flag indicates if need a retry\r | |
1823 | @param SenseDataArray The pointer of an array of sense data\r | |
1824 | @param NumberOfSenseKeys The number of sense key\r | |
1825 | \r | |
1826 | @retval EFI_DEVICE_ERROR Indicates that error occurs\r | |
1827 | @retval EFI_SUCCESS Successfully to read capacity or sense data is received.\r | |
1828 | \r | |
1829 | **/\r | |
1830 | EFI_STATUS\r | |
1831 | ScsiDiskReadCapacity (\r | |
1832 | IN OUT SCSI_DISK_DEV *ScsiDiskDevice,\r | |
1833 | OUT BOOLEAN *NeedRetry,\r | |
1834 | OUT EFI_SCSI_SENSE_DATA **SenseDataArray,\r | |
1835 | OUT UINTN *NumberOfSenseKeys\r | |
1836 | )\r | |
1837 | {\r | |
1838 | UINT8 HostAdapterStatus;\r | |
1839 | UINT8 TargetStatus;\r | |
1840 | EFI_STATUS CommandStatus;\r | |
1841 | EFI_STATUS Status;\r | |
1842 | UINT8 Index;\r | |
1843 | UINT8 MaxRetry;\r | |
1844 | UINT8 SenseDataLength;\r | |
1845 | UINT32 DataLength10;\r | |
1846 | UINT32 DataLength16;\r | |
1847 | EFI_SCSI_DISK_CAPACITY_DATA *CapacityData10;\r | |
1848 | EFI_SCSI_DISK_CAPACITY_DATA16 *CapacityData16;\r | |
1849 | \r | |
1850 | CapacityData10 = AllocateAlignedBuffer (ScsiDiskDevice, sizeof (EFI_SCSI_DISK_CAPACITY_DATA));\r | |
1851 | if (CapacityData10 == NULL) {\r | |
1852 | *NeedRetry = FALSE;\r | |
1853 | return EFI_DEVICE_ERROR;\r | |
1854 | }\r | |
1855 | CapacityData16 = AllocateAlignedBuffer (ScsiDiskDevice, sizeof (EFI_SCSI_DISK_CAPACITY_DATA16));\r | |
1856 | if (CapacityData16 == NULL) {\r | |
1857 | FreeAlignedBuffer (CapacityData10, sizeof (EFI_SCSI_DISK_CAPACITY_DATA));\r | |
1858 | *NeedRetry = FALSE;\r | |
1859 | return EFI_DEVICE_ERROR;\r | |
1860 | }\r | |
1861 | \r | |
1862 | SenseDataLength = 0;\r | |
1863 | DataLength10 = sizeof (EFI_SCSI_DISK_CAPACITY_DATA);\r | |
1864 | DataLength16 = sizeof (EFI_SCSI_DISK_CAPACITY_DATA16);\r | |
1865 | ZeroMem (CapacityData10, sizeof (EFI_SCSI_DISK_CAPACITY_DATA));\r | |
1866 | ZeroMem (CapacityData16, sizeof (EFI_SCSI_DISK_CAPACITY_DATA16));\r | |
1867 | \r | |
1868 | *NumberOfSenseKeys = 0;\r | |
1869 | *NeedRetry = FALSE;\r | |
1870 | \r | |
1871 | //\r | |
1872 | // submit Read Capacity(10) Command. If it returns capacity of FFFFFFFFh, \r | |
1873 | // 16 byte command should be used to access large hard disk >2TB\r | |
1874 | //\r | |
1875 | CommandStatus = ScsiReadCapacityCommand (\r | |
1876 | ScsiDiskDevice->ScsiIo,\r | |
1877 | SCSI_DISK_TIMEOUT,\r | |
1878 | NULL,\r | |
1879 | &SenseDataLength,\r | |
1880 | &HostAdapterStatus,\r | |
1881 | &TargetStatus,\r | |
1882 | (VOID *) CapacityData10,\r | |
1883 | &DataLength10,\r | |
1884 | FALSE\r | |
1885 | );\r | |
1886 | \r | |
1887 | ScsiDiskDevice->Cdb16Byte = FALSE;\r | |
1888 | if ((!EFI_ERROR (CommandStatus)) && (CapacityData10->LastLba3 == 0xff) && (CapacityData10->LastLba2 == 0xff) &&\r | |
1889 | (CapacityData10->LastLba1 == 0xff) && (CapacityData10->LastLba0 == 0xff)) {\r | |
1890 | //\r | |
1891 | // use Read Capacity (16), Read (16) and Write (16) next when hard disk size > 2TB\r | |
1892 | //\r | |
1893 | ScsiDiskDevice->Cdb16Byte = TRUE;\r | |
1894 | //\r | |
1895 | // submit Read Capacity(16) Command to get parameter LogicalBlocksPerPhysicalBlock\r | |
1896 | // and LowestAlignedLba\r | |
1897 | //\r | |
1898 | CommandStatus = ScsiReadCapacity16Command (\r | |
1899 | ScsiDiskDevice->ScsiIo,\r | |
1900 | SCSI_DISK_TIMEOUT,\r | |
1901 | NULL,\r | |
1902 | &SenseDataLength,\r | |
1903 | &HostAdapterStatus,\r | |
1904 | &TargetStatus,\r | |
1905 | (VOID *) CapacityData16,\r | |
1906 | &DataLength16,\r | |
1907 | FALSE\r | |
1908 | );\r | |
1909 | }\r | |
1910 | \r | |
1911 | //\r | |
1912 | // no need to check HostAdapterStatus and TargetStatus\r | |
1913 | //\r | |
1914 | if (CommandStatus == EFI_SUCCESS) {\r | |
1915 | GetMediaInfo (ScsiDiskDevice, CapacityData10, CapacityData16);\r | |
1916 | FreeAlignedBuffer (CapacityData10, sizeof (EFI_SCSI_DISK_CAPACITY_DATA));\r | |
1917 | FreeAlignedBuffer (CapacityData16, sizeof (EFI_SCSI_DISK_CAPACITY_DATA16));\r | |
1918 | return EFI_SUCCESS;\r | |
1919 | }\r | |
1920 | \r | |
1921 | FreeAlignedBuffer (CapacityData10, sizeof (EFI_SCSI_DISK_CAPACITY_DATA));\r | |
1922 | FreeAlignedBuffer (CapacityData16, sizeof (EFI_SCSI_DISK_CAPACITY_DATA16));\r | |
1923 | \r | |
1924 | if (CommandStatus == EFI_NOT_READY) {\r | |
1925 | *NeedRetry = TRUE;\r | |
1926 | return EFI_DEVICE_ERROR;\r | |
1927 | } else if ((CommandStatus == EFI_INVALID_PARAMETER) || (CommandStatus == EFI_UNSUPPORTED)) {\r | |
1928 | *NeedRetry = FALSE;\r | |
1929 | return EFI_DEVICE_ERROR;\r | |
1930 | }\r | |
1931 | \r | |
1932 | //\r | |
1933 | // go ahead to check HostAdapterStatus and TargetStatus\r | |
1934 | // (EFI_TIMEOUT, EFI_DEVICE_ERROR, EFI_WARN_BUFFER_TOO_SMALL)\r | |
1935 | //\r | |
1936 | \r | |
1937 | Status = CheckHostAdapterStatus (HostAdapterStatus);\r | |
1938 | if ((Status == EFI_TIMEOUT) || (Status == EFI_NOT_READY)) {\r | |
1939 | *NeedRetry = TRUE;\r | |
1940 | return EFI_DEVICE_ERROR;\r | |
1941 | \r | |
1942 | } else if (Status == EFI_DEVICE_ERROR) {\r | |
1943 | //\r | |
1944 | // reset the scsi channel\r | |
1945 | //\r | |
1946 | ScsiDiskDevice->ScsiIo->ResetBus (ScsiDiskDevice->ScsiIo);\r | |
1947 | *NeedRetry = FALSE;\r | |
1948 | return EFI_DEVICE_ERROR;\r | |
1949 | }\r | |
1950 | \r | |
1951 | Status = CheckTargetStatus (TargetStatus);\r | |
1952 | if (Status == EFI_NOT_READY) {\r | |
1953 | //\r | |
1954 | // reset the scsi device\r | |
1955 | //\r | |
1956 | ScsiDiskDevice->ScsiIo->ResetDevice (ScsiDiskDevice->ScsiIo);\r | |
1957 | *NeedRetry = TRUE;\r | |
1958 | return EFI_DEVICE_ERROR;\r | |
1959 | \r | |
1960 | } else if (Status == EFI_DEVICE_ERROR) {\r | |
1961 | *NeedRetry = FALSE;\r | |
1962 | return EFI_DEVICE_ERROR;\r | |
1963 | }\r | |
1964 | \r | |
1965 | //\r | |
1966 | // if goes here, meant ScsiReadCapacityCommand() failed.\r | |
1967 | // if ScsiDiskRequestSenseKeys() succeeds at last,\r | |
1968 | // better retry ScsiReadCapacityCommand(). (by setting *NeedRetry = TRUE)\r | |
1969 | //\r | |
1970 | MaxRetry = 3;\r | |
1971 | for (Index = 0; Index < MaxRetry; Index++) {\r | |
1972 | \r | |
1973 | Status = ScsiDiskRequestSenseKeys (\r | |
1974 | ScsiDiskDevice,\r | |
1975 | NeedRetry,\r | |
1976 | SenseDataArray,\r | |
1977 | NumberOfSenseKeys,\r | |
1978 | TRUE\r | |
1979 | );\r | |
1980 | if (!EFI_ERROR (Status)) {\r | |
1981 | return EFI_SUCCESS;\r | |
1982 | }\r | |
1983 | \r | |
1984 | if (!*NeedRetry) {\r | |
1985 | return EFI_DEVICE_ERROR;\r | |
1986 | }\r | |
1987 | }\r | |
1988 | //\r | |
1989 | // ScsiDiskRequestSenseKeys() failed after several rounds of retry.\r | |
1990 | // set *NeedRetry = FALSE to avoid the outside caller try again.\r | |
1991 | //\r | |
1992 | *NeedRetry = FALSE;\r | |
1993 | return EFI_DEVICE_ERROR;\r | |
1994 | }\r | |
1995 | \r | |
1996 | /**\r | |
1997 | Check the HostAdapter status and re-interpret it in EFI_STATUS.\r | |
1998 | \r | |
1999 | @param HostAdapterStatus Host Adapter status\r | |
2000 | \r | |
2001 | @retval EFI_SUCCESS Host adapter is OK.\r | |
2002 | @retval EFI_TIMEOUT Timeout.\r | |
2003 | @retval EFI_NOT_READY Adapter NOT ready.\r | |
2004 | @retval EFI_DEVICE_ERROR Adapter device error.\r | |
2005 | \r | |
2006 | **/\r | |
2007 | EFI_STATUS\r | |
2008 | CheckHostAdapterStatus (\r | |
2009 | IN UINT8 HostAdapterStatus\r | |
2010 | )\r | |
2011 | {\r | |
2012 | switch (HostAdapterStatus) {\r | |
2013 | case EFI_EXT_SCSI_STATUS_HOST_ADAPTER_OK:\r | |
2014 | return EFI_SUCCESS;\r | |
2015 | \r | |
2016 | case EFI_EXT_SCSI_STATUS_HOST_ADAPTER_SELECTION_TIMEOUT:\r | |
2017 | case EFI_EXT_SCSI_STATUS_HOST_ADAPTER_TIMEOUT:\r | |
2018 | case EFI_EXT_SCSI_STATUS_HOST_ADAPTER_TIMEOUT_COMMAND:\r | |
2019 | return EFI_TIMEOUT;\r | |
2020 | \r | |
2021 | case EFI_EXT_SCSI_STATUS_HOST_ADAPTER_MESSAGE_REJECT:\r | |
2022 | case EFI_EXT_SCSI_STATUS_HOST_ADAPTER_PARITY_ERROR:\r | |
2023 | case EFI_EXT_SCSI_STATUS_HOST_ADAPTER_REQUEST_SENSE_FAILED:\r | |
2024 | case EFI_EXT_SCSI_STATUS_HOST_ADAPTER_DATA_OVERRUN_UNDERRUN:\r | |
2025 | case EFI_EXT_SCSI_STATUS_HOST_ADAPTER_BUS_RESET:\r | |
2026 | return EFI_NOT_READY;\r | |
2027 | \r | |
2028 | case EFI_EXT_SCSI_STATUS_HOST_ADAPTER_BUS_FREE:\r | |
2029 | case EFI_EXT_SCSI_STATUS_HOST_ADAPTER_PHASE_ERROR:\r | |
2030 | return EFI_DEVICE_ERROR;\r | |
2031 | \r | |
2032 | default:\r | |
2033 | return EFI_SUCCESS;\r | |
2034 | }\r | |
2035 | }\r | |
2036 | \r | |
2037 | \r | |
2038 | /**\r | |
2039 | Check the target status and re-interpret it in EFI_STATUS.\r | |
2040 | \r | |
2041 | @param TargetStatus Target status\r | |
2042 | \r | |
2043 | @retval EFI_NOT_READY Device is NOT ready.\r | |
2044 | @retval EFI_DEVICE_ERROR \r | |
2045 | @retval EFI_SUCCESS\r | |
2046 | \r | |
2047 | **/\r | |
2048 | EFI_STATUS\r | |
2049 | CheckTargetStatus (\r | |
2050 | IN UINT8 TargetStatus\r | |
2051 | )\r | |
2052 | {\r | |
2053 | switch (TargetStatus) {\r | |
2054 | case EFI_EXT_SCSI_STATUS_TARGET_GOOD:\r | |
2055 | case EFI_EXT_SCSI_STATUS_TARGET_CHECK_CONDITION:\r | |
2056 | case EFI_EXT_SCSI_STATUS_TARGET_CONDITION_MET:\r | |
2057 | return EFI_SUCCESS;\r | |
2058 | \r | |
2059 | case EFI_EXT_SCSI_STATUS_TARGET_INTERMEDIATE:\r | |
2060 | case EFI_EXT_SCSI_STATUS_TARGET_INTERMEDIATE_CONDITION_MET:\r | |
2061 | case EFI_EXT_SCSI_STATUS_TARGET_BUSY:\r | |
2062 | case EFI_EXT_SCSI_STATUS_TARGET_TASK_SET_FULL:\r | |
2063 | return EFI_NOT_READY;\r | |
2064 | \r | |
2065 | case EFI_EXT_SCSI_STATUS_TARGET_RESERVATION_CONFLICT:\r | |
2066 | return EFI_DEVICE_ERROR;\r | |
2067 | \r | |
2068 | default:\r | |
2069 | return EFI_SUCCESS;\r | |
2070 | }\r | |
2071 | }\r | |
2072 | \r | |
2073 | \r | |
2074 | /**\r | |
2075 | Retrieve all sense keys from the device.\r | |
2076 | \r | |
2077 | When encountering error during the process, if retrieve sense keys before\r | |
2078 | error encountered, it returns the sense keys with return status set to EFI_SUCCESS,\r | |
2079 | and NeedRetry set to FALSE; otherwize, return the proper return status.\r | |
2080 | \r | |
2081 | @param ScsiDiskDevice The pointer of SCSI_DISK_DEV\r | |
2082 | @param NeedRetry The pointer of flag indicates if need a retry\r | |
2083 | @param SenseDataArray The pointer of an array of sense data\r | |
2084 | @param NumberOfSenseKeys The number of sense key\r | |
2085 | @param AskResetIfError The flag indicates if need reset when error occurs\r | |
2086 | \r | |
2087 | @retval EFI_DEVICE_ERROR Indicates that error occurs\r | |
2088 | @retval EFI_SUCCESS Successfully to request sense key\r | |
2089 | \r | |
2090 | **/\r | |
2091 | EFI_STATUS\r | |
2092 | ScsiDiskRequestSenseKeys (\r | |
2093 | IN OUT SCSI_DISK_DEV *ScsiDiskDevice,\r | |
2094 | OUT BOOLEAN *NeedRetry,\r | |
2095 | OUT EFI_SCSI_SENSE_DATA **SenseDataArray,\r | |
2096 | OUT UINTN *NumberOfSenseKeys,\r | |
2097 | IN BOOLEAN AskResetIfError\r | |
2098 | )\r | |
2099 | {\r | |
2100 | EFI_SCSI_SENSE_DATA *PtrSenseData;\r | |
2101 | UINT8 SenseDataLength;\r | |
2102 | BOOLEAN SenseReq;\r | |
2103 | EFI_STATUS Status;\r | |
2104 | EFI_STATUS FallStatus;\r | |
2105 | UINT8 HostAdapterStatus;\r | |
2106 | UINT8 TargetStatus;\r | |
2107 | \r | |
2108 | FallStatus = EFI_SUCCESS;\r | |
2109 | SenseDataLength = (UINT8) sizeof (EFI_SCSI_SENSE_DATA);\r | |
2110 | \r | |
2111 | ZeroMem (\r | |
2112 | ScsiDiskDevice->SenseData,\r | |
2113 | sizeof (EFI_SCSI_SENSE_DATA) * (ScsiDiskDevice->SenseDataNumber)\r | |
2114 | );\r | |
2115 | \r | |
2116 | *NumberOfSenseKeys = 0;\r | |
2117 | *SenseDataArray = ScsiDiskDevice->SenseData;\r | |
2118 | Status = EFI_SUCCESS;\r | |
2119 | PtrSenseData = AllocateAlignedBuffer (ScsiDiskDevice, sizeof (EFI_SCSI_SENSE_DATA));\r | |
2120 | if (PtrSenseData == NULL) {\r | |
2121 | return EFI_DEVICE_ERROR;\r | |
2122 | }\r | |
2123 | \r | |
2124 | for (SenseReq = TRUE; SenseReq;) {\r | |
2125 | ZeroMem (PtrSenseData, sizeof (EFI_SCSI_SENSE_DATA));\r | |
2126 | Status = ScsiRequestSenseCommand (\r | |
2127 | ScsiDiskDevice->ScsiIo,\r | |
2128 | SCSI_DISK_TIMEOUT,\r | |
2129 | PtrSenseData,\r | |
2130 | &SenseDataLength,\r | |
2131 | &HostAdapterStatus,\r | |
2132 | &TargetStatus\r | |
2133 | );\r | |
2134 | if ((Status == EFI_SUCCESS) || (Status == EFI_WARN_BUFFER_TOO_SMALL)) {\r | |
2135 | FallStatus = EFI_SUCCESS;\r | |
2136 | \r | |
2137 | } else if ((Status == EFI_TIMEOUT) || (Status == EFI_NOT_READY)) {\r | |
2138 | *NeedRetry = TRUE;\r | |
2139 | FallStatus = EFI_DEVICE_ERROR;\r | |
2140 | \r | |
2141 | } else if ((Status == EFI_INVALID_PARAMETER) || (Status == EFI_UNSUPPORTED)) {\r | |
2142 | *NeedRetry = FALSE;\r | |
2143 | FallStatus = EFI_DEVICE_ERROR;\r | |
2144 | \r | |
2145 | } else if (Status == EFI_DEVICE_ERROR) {\r | |
2146 | if (AskResetIfError) {\r | |
2147 | ScsiDiskDevice->ScsiIo->ResetDevice (ScsiDiskDevice->ScsiIo);\r | |
2148 | }\r | |
2149 | \r | |
2150 | FallStatus = EFI_DEVICE_ERROR;\r | |
2151 | }\r | |
2152 | \r | |
2153 | if (EFI_ERROR (FallStatus)) {\r | |
2154 | if (*NumberOfSenseKeys != 0) {\r | |
2155 | *NeedRetry = FALSE;\r | |
2156 | Status = EFI_SUCCESS;\r | |
2157 | goto EXIT;\r | |
2158 | } else {\r | |
2159 | Status = EFI_DEVICE_ERROR;\r | |
2160 | goto EXIT;\r | |
2161 | }\r | |
2162 | }\r | |
2163 | \r | |
2164 | CopyMem (ScsiDiskDevice->SenseData + *NumberOfSenseKeys, PtrSenseData, SenseDataLength);\r | |
2165 | (*NumberOfSenseKeys) += 1;\r | |
2166 | \r | |
2167 | //\r | |
2168 | // no more sense key or number of sense keys exceeds predefined,\r | |
2169 | // skip the loop.\r | |
2170 | //\r | |
2171 | if ((PtrSenseData->Sense_Key == EFI_SCSI_SK_NO_SENSE) || \r | |
2172 | (*NumberOfSenseKeys == ScsiDiskDevice->SenseDataNumber)) {\r | |
2173 | SenseReq = FALSE;\r | |
2174 | }\r | |
2175 | }\r | |
2176 | \r | |
2177 | EXIT:\r | |
2178 | FreeAlignedBuffer (PtrSenseData, sizeof (EFI_SCSI_SENSE_DATA));\r | |
2179 | return Status;\r | |
2180 | }\r | |
2181 | \r | |
2182 | \r | |
2183 | /**\r | |
2184 | Get information from media read capacity command.\r | |
2185 | \r | |
2186 | @param ScsiDiskDevice The pointer of SCSI_DISK_DEV\r | |
2187 | @param Capacity10 The pointer of EFI_SCSI_DISK_CAPACITY_DATA\r | |
2188 | @param Capacity16 The pointer of EFI_SCSI_DISK_CAPACITY_DATA16\r | |
2189 | \r | |
2190 | **/\r | |
2191 | VOID\r | |
2192 | GetMediaInfo (\r | |
2193 | IN OUT SCSI_DISK_DEV *ScsiDiskDevice,\r | |
2194 | IN EFI_SCSI_DISK_CAPACITY_DATA *Capacity10,\r | |
2195 | IN EFI_SCSI_DISK_CAPACITY_DATA16 *Capacity16\r | |
2196 | )\r | |
2197 | {\r | |
2198 | UINT8 *Ptr;\r | |
2199 | \r | |
2200 | if (!ScsiDiskDevice->Cdb16Byte) {\r | |
2201 | ScsiDiskDevice->BlkIo.Media->LastBlock = (Capacity10->LastLba3 << 24) |\r | |
2202 | (Capacity10->LastLba2 << 16) |\r | |
2203 | (Capacity10->LastLba1 << 8) |\r | |
2204 | Capacity10->LastLba0;\r | |
2205 | \r | |
2206 | ScsiDiskDevice->BlkIo.Media->BlockSize = (Capacity10->BlockSize3 << 24) |\r | |
2207 | (Capacity10->BlockSize2 << 16) | \r | |
2208 | (Capacity10->BlockSize1 << 8) |\r | |
2209 | Capacity10->BlockSize0;\r | |
2210 | ScsiDiskDevice->BlkIo.Media->LowestAlignedLba = 0;\r | |
2211 | ScsiDiskDevice->BlkIo.Media->LogicalBlocksPerPhysicalBlock = 0;\r | |
2212 | } else {\r | |
2213 | Ptr = (UINT8*)&ScsiDiskDevice->BlkIo.Media->LastBlock;\r | |
2214 | *Ptr++ = Capacity16->LastLba0;\r | |
2215 | *Ptr++ = Capacity16->LastLba1;\r | |
2216 | *Ptr++ = Capacity16->LastLba2;\r | |
2217 | *Ptr++ = Capacity16->LastLba3;\r | |
2218 | *Ptr++ = Capacity16->LastLba4;\r | |
2219 | *Ptr++ = Capacity16->LastLba5;\r | |
2220 | *Ptr++ = Capacity16->LastLba6;\r | |
2221 | *Ptr = Capacity16->LastLba7;\r | |
2222 | \r | |
2223 | ScsiDiskDevice->BlkIo.Media->BlockSize = (Capacity16->BlockSize3 << 24) |\r | |
2224 | (Capacity16->BlockSize2 << 16) | \r | |
2225 | (Capacity16->BlockSize1 << 8) |\r | |
2226 | Capacity16->BlockSize0;\r | |
2227 | \r | |
2228 | ScsiDiskDevice->BlkIo.Media->LowestAlignedLba = (Capacity16->LowestAlignLogic2 << 8) |\r | |
2229 | Capacity16->LowestAlignLogic1;\r | |
2230 | ScsiDiskDevice->BlkIo.Media->LogicalBlocksPerPhysicalBlock = (1 << Capacity16->LogicPerPhysical);\r | |
2231 | }\r | |
2232 | \r | |
2233 | ScsiDiskDevice->BlkIo.Media->MediaPresent = TRUE;\r | |
2234 | }\r | |
2235 | \r | |
2236 | /**\r | |
2237 | Parse Inquiry data.\r | |
2238 | \r | |
2239 | @param ScsiDiskDevice The pointer of SCSI_DISK_DEV\r | |
2240 | \r | |
2241 | **/\r | |
2242 | VOID\r | |
2243 | ParseInquiryData (\r | |
2244 | IN OUT SCSI_DISK_DEV *ScsiDiskDevice\r | |
2245 | )\r | |
2246 | {\r | |
2247 | ScsiDiskDevice->FixedDevice = (BOOLEAN) ((ScsiDiskDevice->InquiryData.Rmb == 1) ? 0 : 1);\r | |
2248 | ScsiDiskDevice->BlkIoMedia.RemovableMedia = (BOOLEAN) (!ScsiDiskDevice->FixedDevice);\r | |
2249 | }\r | |
2250 | \r | |
2251 | /**\r | |
2252 | Read sector from SCSI Disk.\r | |
2253 | \r | |
2254 | @param ScsiDiskDevice The pointer of SCSI_DISK_DEV\r | |
2255 | @param Buffer The buffer to fill in the read out data\r | |
2256 | @param Lba Logic block address\r | |
2257 | @param NumberOfBlocks The number of blocks to read\r | |
2258 | \r | |
2259 | @retval EFI_DEVICE_ERROR Indicates a device error.\r | |
2260 | @retval EFI_SUCCESS Operation is successful.\r | |
2261 | \r | |
2262 | **/\r | |
2263 | EFI_STATUS\r | |
2264 | ScsiDiskReadSectors (\r | |
2265 | IN SCSI_DISK_DEV *ScsiDiskDevice,\r | |
2266 | OUT VOID *Buffer,\r | |
2267 | IN EFI_LBA Lba,\r | |
2268 | IN UINTN NumberOfBlocks\r | |
2269 | )\r | |
2270 | {\r | |
2271 | UINTN BlocksRemaining;\r | |
2272 | UINT8 *PtrBuffer;\r | |
2273 | UINT32 BlockSize;\r | |
2274 | UINT32 ByteCount;\r | |
2275 | UINT32 MaxBlock;\r | |
2276 | UINT32 SectorCount;\r | |
2277 | UINT32 NextSectorCount;\r | |
2278 | UINT64 Timeout;\r | |
2279 | EFI_STATUS Status;\r | |
2280 | UINT8 Index;\r | |
2281 | UINT8 MaxRetry;\r | |
2282 | BOOLEAN NeedRetry;\r | |
2283 | \r | |
2284 | Status = EFI_SUCCESS;\r | |
2285 | \r | |
2286 | BlocksRemaining = NumberOfBlocks;\r | |
2287 | BlockSize = ScsiDiskDevice->BlkIo.Media->BlockSize;\r | |
2288 | \r | |
2289 | //\r | |
2290 | // limit the data bytes that can be transferred by one Read(10) or Read(16) Command\r | |
2291 | //\r | |
2292 | if (!ScsiDiskDevice->Cdb16Byte) {\r | |
2293 | MaxBlock = 0xFFFF;\r | |
2294 | } else {\r | |
2295 | MaxBlock = 0xFFFFFFFF;\r | |
2296 | }\r | |
2297 | \r | |
2298 | PtrBuffer = Buffer;\r | |
2299 | \r | |
2300 | while (BlocksRemaining > 0) {\r | |
2301 | \r | |
2302 | if (BlocksRemaining <= MaxBlock) {\r | |
2303 | if (!ScsiDiskDevice->Cdb16Byte) {\r | |
2304 | SectorCount = (UINT16) BlocksRemaining;\r | |
2305 | } else {\r | |
2306 | SectorCount = (UINT32) BlocksRemaining;\r | |
2307 | }\r | |
2308 | } else {\r | |
2309 | SectorCount = MaxBlock;\r | |
2310 | }\r | |
2311 | \r | |
2312 | ByteCount = SectorCount * BlockSize;\r | |
2313 | //\r | |
2314 | // |------------------------|-----------------|------------------|-----------------|\r | |
2315 | // | ATA Transfer Mode | Transfer Rate | SCSI Interface | Transfer Rate |\r | |
2316 | // |------------------------|-----------------|------------------|-----------------|\r | |
2317 | // | PIO Mode 0 | 3.3Mbytes/sec | SCSI-1 | 5Mbytes/sec |\r | |
2318 | // |------------------------|-----------------|------------------|-----------------|\r | |
2319 | // | PIO Mode 1 | 5.2Mbytes/sec | Fast SCSI | 10Mbytes/sec |\r | |
2320 | // |------------------------|-----------------|------------------|-----------------|\r | |
2321 | // | PIO Mode 2 | 8.3Mbytes/sec | Fast-Wide SCSI | 20Mbytes/sec |\r | |
2322 | // |------------------------|-----------------|------------------|-----------------|\r | |
2323 | // | PIO Mode 3 | 11.1Mbytes/sec | Ultra SCSI | 20Mbytes/sec |\r | |
2324 | // |------------------------|-----------------|------------------|-----------------|\r | |
2325 | // | PIO Mode 4 | 16.6Mbytes/sec | Ultra Wide SCSI | 40Mbytes/sec |\r | |
2326 | // |------------------------|-----------------|------------------|-----------------|\r | |
2327 | // | Single-word DMA Mode 0 | 2.1Mbytes/sec | Ultra2 SCSI | 40Mbytes/sec |\r | |
2328 | // |------------------------|-----------------|------------------|-----------------|\r | |
2329 | // | Single-word DMA Mode 1 | 4.2Mbytes/sec | Ultra2 Wide SCSI | 80Mbytes/sec |\r | |
2330 | // |------------------------|-----------------|------------------|-----------------|\r | |
2331 | // | Single-word DMA Mode 2 | 8.4Mbytes/sec | Ultra3 SCSI | 160Mbytes/sec |\r | |
2332 | // |------------------------|-----------------|------------------|-----------------|\r | |
2333 | // | Multi-word DMA Mode 0 | 4.2Mbytes/sec | Ultra-320 SCSI | 320Mbytes/sec |\r | |
2334 | // |------------------------|-----------------|------------------|-----------------|\r | |
2335 | // | Multi-word DMA Mode 1 | 13.3Mbytes/sec | Ultra-640 SCSI | 640Mbytes/sec |\r | |
2336 | // |------------------------|-----------------|------------------|-----------------|\r | |
2337 | //\r | |
2338 | // As ScsiDisk and ScsiBus driver are used to manage SCSI or ATAPI devices, we have to use\r | |
2339 | // the lowest transfer rate to calculate the possible maximum timeout value for each operation.\r | |
2340 | // From the above table, we could know 2.1Mbytes per second is lowest one.\r | |
2341 | // The timout value is rounded up to nearest integar and here an additional 30s is added\r | |
2342 | // to follow ATA spec in which it mentioned that the device may take up to 30s to respond\r | |
2343 | // commands in the Standby/Idle mode.\r | |
2344 | //\r | |
2345 | Timeout = EFI_TIMER_PERIOD_SECONDS (ByteCount / 2100000 + 31);\r | |
2346 | \r | |
2347 | MaxRetry = 2;\r | |
2348 | for (Index = 0; Index < MaxRetry; Index++) {\r | |
2349 | if (!ScsiDiskDevice->Cdb16Byte) {\r | |
2350 | Status = ScsiDiskRead10 (\r | |
2351 | ScsiDiskDevice,\r | |
2352 | &NeedRetry,\r | |
2353 | Timeout,\r | |
2354 | PtrBuffer,\r | |
2355 | &ByteCount,\r | |
2356 | (UINT32) Lba,\r | |
2357 | SectorCount\r | |
2358 | );\r | |
2359 | } else {\r | |
2360 | Status = ScsiDiskRead16 (\r | |
2361 | ScsiDiskDevice,\r | |
2362 | &NeedRetry,\r | |
2363 | Timeout,\r | |
2364 | PtrBuffer,\r | |
2365 | &ByteCount,\r | |
2366 | Lba,\r | |
2367 | SectorCount\r | |
2368 | );\r | |
2369 | }\r | |
2370 | if (!EFI_ERROR (Status)) {\r | |
2371 | break;\r | |
2372 | }\r | |
2373 | \r | |
2374 | if (!NeedRetry) {\r | |
2375 | return EFI_DEVICE_ERROR;\r | |
2376 | }\r | |
2377 | \r | |
2378 | //\r | |
2379 | // We need to retry. However, if ScsiDiskRead10() or ScsiDiskRead16() has\r | |
2380 | // lowered ByteCount on output, we must make sure that we lower\r | |
2381 | // SectorCount accordingly. SectorCount will be encoded in the CDB, and\r | |
2382 | // it is invalid to request more sectors in the CDB than the entire\r | |
2383 | // transfer (ie. ByteCount) can carry.\r | |
2384 | //\r | |
2385 | // In addition, ByteCount is only expected to go down, or stay unchaged.\r | |
2386 | // Therefore we don't need to update Timeout: the original timeout should\r | |
2387 | // accommodate shorter transfers too.\r | |
2388 | //\r | |
2389 | NextSectorCount = ByteCount / BlockSize;\r | |
2390 | if (NextSectorCount < SectorCount) {\r | |
2391 | SectorCount = NextSectorCount;\r | |
2392 | //\r | |
2393 | // Account for any rounding down.\r | |
2394 | //\r | |
2395 | ByteCount = SectorCount * BlockSize;\r | |
2396 | }\r | |
2397 | }\r | |
2398 | \r | |
2399 | if ((Index == MaxRetry) && (Status != EFI_SUCCESS)) {\r | |
2400 | return EFI_DEVICE_ERROR;\r | |
2401 | }\r | |
2402 | \r | |
2403 | //\r | |
2404 | // actual transferred sectors\r | |
2405 | //\r | |
2406 | SectorCount = ByteCount / BlockSize;\r | |
2407 | \r | |
2408 | Lba += SectorCount;\r | |
2409 | PtrBuffer = PtrBuffer + SectorCount * BlockSize;\r | |
2410 | BlocksRemaining -= SectorCount;\r | |
2411 | }\r | |
2412 | \r | |
2413 | return EFI_SUCCESS;\r | |
2414 | }\r | |
2415 | \r | |
2416 | /**\r | |
2417 | Write sector to SCSI Disk.\r | |
2418 | \r | |
2419 | @param ScsiDiskDevice The pointer of SCSI_DISK_DEV\r | |
2420 | @param Buffer The buffer of data to be written into SCSI Disk\r | |
2421 | @param Lba Logic block address\r | |
2422 | @param NumberOfBlocks The number of blocks to read\r | |
2423 | \r | |
2424 | @retval EFI_DEVICE_ERROR Indicates a device error.\r | |
2425 | @retval EFI_SUCCESS Operation is successful.\r | |
2426 | \r | |
2427 | **/\r | |
2428 | EFI_STATUS\r | |
2429 | ScsiDiskWriteSectors (\r | |
2430 | IN SCSI_DISK_DEV *ScsiDiskDevice,\r | |
2431 | IN VOID *Buffer,\r | |
2432 | IN EFI_LBA Lba,\r | |
2433 | IN UINTN NumberOfBlocks\r | |
2434 | )\r | |
2435 | {\r | |
2436 | UINTN BlocksRemaining;\r | |
2437 | UINT8 *PtrBuffer;\r | |
2438 | UINT32 BlockSize;\r | |
2439 | UINT32 ByteCount;\r | |
2440 | UINT32 MaxBlock;\r | |
2441 | UINT32 SectorCount;\r | |
2442 | UINT32 NextSectorCount;\r | |
2443 | UINT64 Timeout;\r | |
2444 | EFI_STATUS Status;\r | |
2445 | UINT8 Index;\r | |
2446 | UINT8 MaxRetry;\r | |
2447 | BOOLEAN NeedRetry;\r | |
2448 | \r | |
2449 | Status = EFI_SUCCESS;\r | |
2450 | \r | |
2451 | BlocksRemaining = NumberOfBlocks;\r | |
2452 | BlockSize = ScsiDiskDevice->BlkIo.Media->BlockSize;\r | |
2453 | \r | |
2454 | //\r | |
2455 | // limit the data bytes that can be transferred by one Read(10) or Read(16) Command\r | |
2456 | //\r | |
2457 | if (!ScsiDiskDevice->Cdb16Byte) {\r | |
2458 | MaxBlock = 0xFFFF;\r | |
2459 | } else {\r | |
2460 | MaxBlock = 0xFFFFFFFF;\r | |
2461 | }\r | |
2462 | \r | |
2463 | PtrBuffer = Buffer;\r | |
2464 | \r | |
2465 | while (BlocksRemaining > 0) {\r | |
2466 | \r | |
2467 | if (BlocksRemaining <= MaxBlock) {\r | |
2468 | if (!ScsiDiskDevice->Cdb16Byte) {\r | |
2469 | SectorCount = (UINT16) BlocksRemaining;\r | |
2470 | } else {\r | |
2471 | SectorCount = (UINT32) BlocksRemaining;\r | |
2472 | }\r | |
2473 | } else {\r | |
2474 | SectorCount = MaxBlock;\r | |
2475 | }\r | |
2476 | \r | |
2477 | ByteCount = SectorCount * BlockSize;\r | |
2478 | //\r | |
2479 | // |------------------------|-----------------|------------------|-----------------|\r | |
2480 | // | ATA Transfer Mode | Transfer Rate | SCSI Interface | Transfer Rate |\r | |
2481 | // |------------------------|-----------------|------------------|-----------------|\r | |
2482 | // | PIO Mode 0 | 3.3Mbytes/sec | SCSI-1 | 5Mbytes/sec |\r | |
2483 | // |------------------------|-----------------|------------------|-----------------|\r | |
2484 | // | PIO Mode 1 | 5.2Mbytes/sec | Fast SCSI | 10Mbytes/sec |\r | |
2485 | // |------------------------|-----------------|------------------|-----------------|\r | |
2486 | // | PIO Mode 2 | 8.3Mbytes/sec | Fast-Wide SCSI | 20Mbytes/sec |\r | |
2487 | // |------------------------|-----------------|------------------|-----------------|\r | |
2488 | // | PIO Mode 3 | 11.1Mbytes/sec | Ultra SCSI | 20Mbytes/sec |\r | |
2489 | // |------------------------|-----------------|------------------|-----------------|\r | |
2490 | // | PIO Mode 4 | 16.6Mbytes/sec | Ultra Wide SCSI | 40Mbytes/sec |\r | |
2491 | // |------------------------|-----------------|------------------|-----------------|\r | |
2492 | // | Single-word DMA Mode 0 | 2.1Mbytes/sec | Ultra2 SCSI | 40Mbytes/sec |\r | |
2493 | // |------------------------|-----------------|------------------|-----------------|\r | |
2494 | // | Single-word DMA Mode 1 | 4.2Mbytes/sec | Ultra2 Wide SCSI | 80Mbytes/sec |\r | |
2495 | // |------------------------|-----------------|------------------|-----------------|\r | |
2496 | // | Single-word DMA Mode 2 | 8.4Mbytes/sec | Ultra3 SCSI | 160Mbytes/sec |\r | |
2497 | // |------------------------|-----------------|------------------|-----------------|\r | |
2498 | // | Multi-word DMA Mode 0 | 4.2Mbytes/sec | Ultra-320 SCSI | 320Mbytes/sec |\r | |
2499 | // |------------------------|-----------------|------------------|-----------------|\r | |
2500 | // | Multi-word DMA Mode 1 | 13.3Mbytes/sec | Ultra-640 SCSI | 640Mbytes/sec |\r | |
2501 | // |------------------------|-----------------|------------------|-----------------|\r | |
2502 | //\r | |
2503 | // As ScsiDisk and ScsiBus driver are used to manage SCSI or ATAPI devices, we have to use\r | |
2504 | // the lowest transfer rate to calculate the possible maximum timeout value for each operation.\r | |
2505 | // From the above table, we could know 2.1Mbytes per second is lowest one.\r | |
2506 | // The timout value is rounded up to nearest integar and here an additional 30s is added\r | |
2507 | // to follow ATA spec in which it mentioned that the device may take up to 30s to respond\r | |
2508 | // commands in the Standby/Idle mode.\r | |
2509 | //\r | |
2510 | Timeout = EFI_TIMER_PERIOD_SECONDS (ByteCount / 2100000 + 31);\r | |
2511 | MaxRetry = 2;\r | |
2512 | for (Index = 0; Index < MaxRetry; Index++) {\r | |
2513 | if (!ScsiDiskDevice->Cdb16Byte) {\r | |
2514 | Status = ScsiDiskWrite10 (\r | |
2515 | ScsiDiskDevice,\r | |
2516 | &NeedRetry,\r | |
2517 | Timeout,\r | |
2518 | PtrBuffer,\r | |
2519 | &ByteCount,\r | |
2520 | (UINT32) Lba,\r | |
2521 | SectorCount\r | |
2522 | );\r | |
2523 | } else {\r | |
2524 | Status = ScsiDiskWrite16 (\r | |
2525 | ScsiDiskDevice,\r | |
2526 | &NeedRetry,\r | |
2527 | Timeout,\r | |
2528 | PtrBuffer,\r | |
2529 | &ByteCount,\r | |
2530 | Lba,\r | |
2531 | SectorCount\r | |
2532 | ); \r | |
2533 | }\r | |
2534 | if (!EFI_ERROR (Status)) {\r | |
2535 | break;\r | |
2536 | }\r | |
2537 | \r | |
2538 | if (!NeedRetry) {\r | |
2539 | return EFI_DEVICE_ERROR;\r | |
2540 | }\r | |
2541 | \r | |
2542 | //\r | |
2543 | // We need to retry. However, if ScsiDiskWrite10() or ScsiDiskWrite16()\r | |
2544 | // has lowered ByteCount on output, we must make sure that we lower\r | |
2545 | // SectorCount accordingly. SectorCount will be encoded in the CDB, and\r | |
2546 | // it is invalid to request more sectors in the CDB than the entire\r | |
2547 | // transfer (ie. ByteCount) can carry.\r | |
2548 | //\r | |
2549 | // In addition, ByteCount is only expected to go down, or stay unchaged.\r | |
2550 | // Therefore we don't need to update Timeout: the original timeout should\r | |
2551 | // accommodate shorter transfers too.\r | |
2552 | //\r | |
2553 | NextSectorCount = ByteCount / BlockSize;\r | |
2554 | if (NextSectorCount < SectorCount) {\r | |
2555 | SectorCount = NextSectorCount;\r | |
2556 | //\r | |
2557 | // Account for any rounding down.\r | |
2558 | //\r | |
2559 | ByteCount = SectorCount * BlockSize;\r | |
2560 | }\r | |
2561 | }\r | |
2562 | \r | |
2563 | if ((Index == MaxRetry) && (Status != EFI_SUCCESS)) {\r | |
2564 | return EFI_DEVICE_ERROR;\r | |
2565 | }\r | |
2566 | //\r | |
2567 | // actual transferred sectors\r | |
2568 | //\r | |
2569 | SectorCount = ByteCount / BlockSize;\r | |
2570 | \r | |
2571 | Lba += SectorCount;\r | |
2572 | PtrBuffer = PtrBuffer + SectorCount * BlockSize;\r | |
2573 | BlocksRemaining -= SectorCount;\r | |
2574 | }\r | |
2575 | \r | |
2576 | return EFI_SUCCESS;\r | |
2577 | }\r | |
2578 | \r | |
2579 | /**\r | |
2580 | Asynchronously read sector from SCSI Disk.\r | |
2581 | \r | |
2582 | @param ScsiDiskDevice The pointer of SCSI_DISK_DEV.\r | |
2583 | @param Buffer The buffer to fill in the read out data.\r | |
2584 | @param Lba Logic block address.\r | |
2585 | @param NumberOfBlocks The number of blocks to read.\r | |
2586 | @param Token A pointer to the token associated with the\r | |
2587 | non-blocking read request.\r | |
2588 | \r | |
2589 | @retval EFI_INVALID_PARAMETER Token is NULL or Token->Event is NULL.\r | |
2590 | @retval EFI_DEVICE_ERROR Indicates a device error.\r | |
2591 | @retval EFI_SUCCESS Operation is successful.\r | |
2592 | \r | |
2593 | **/\r | |
2594 | EFI_STATUS\r | |
2595 | ScsiDiskAsyncReadSectors (\r | |
2596 | IN SCSI_DISK_DEV *ScsiDiskDevice,\r | |
2597 | OUT VOID *Buffer,\r | |
2598 | IN EFI_LBA Lba,\r | |
2599 | IN UINTN NumberOfBlocks,\r | |
2600 | IN EFI_BLOCK_IO2_TOKEN *Token\r | |
2601 | )\r | |
2602 | {\r | |
2603 | UINTN BlocksRemaining;\r | |
2604 | UINT8 *PtrBuffer;\r | |
2605 | UINT32 BlockSize;\r | |
2606 | UINT32 ByteCount;\r | |
2607 | UINT32 MaxBlock;\r | |
2608 | UINT32 SectorCount;\r | |
2609 | UINT64 Timeout;\r | |
2610 | SCSI_BLKIO2_REQUEST *BlkIo2Req;\r | |
2611 | EFI_STATUS Status;\r | |
2612 | \r | |
2613 | if ((Token == NULL) || (Token->Event == NULL)) {\r | |
2614 | return EFI_INVALID_PARAMETER;\r | |
2615 | }\r | |
2616 | \r | |
2617 | BlkIo2Req = AllocateZeroPool (sizeof (SCSI_BLKIO2_REQUEST));\r | |
2618 | if (BlkIo2Req == NULL) {\r | |
2619 | return EFI_OUT_OF_RESOURCES;\r | |
2620 | }\r | |
2621 | \r | |
2622 | BlkIo2Req->Token = Token;\r | |
2623 | InsertTailList (&ScsiDiskDevice->BlkIo2Queue, &BlkIo2Req->Link);\r | |
2624 | InitializeListHead (&BlkIo2Req->ScsiRWQueue);\r | |
2625 | \r | |
2626 | Status = EFI_SUCCESS;\r | |
2627 | \r | |
2628 | BlocksRemaining = NumberOfBlocks;\r | |
2629 | BlockSize = ScsiDiskDevice->BlkIo.Media->BlockSize;\r | |
2630 | \r | |
2631 | //\r | |
2632 | // Limit the data bytes that can be transferred by one Read(10) or Read(16)\r | |
2633 | // Command\r | |
2634 | //\r | |
2635 | if (!ScsiDiskDevice->Cdb16Byte) {\r | |
2636 | MaxBlock = 0xFFFF;\r | |
2637 | } else {\r | |
2638 | MaxBlock = 0xFFFFFFFF;\r | |
2639 | }\r | |
2640 | \r | |
2641 | PtrBuffer = Buffer;\r | |
2642 | \r | |
2643 | while (BlocksRemaining > 0) {\r | |
2644 | \r | |
2645 | if (BlocksRemaining <= MaxBlock) {\r | |
2646 | if (!ScsiDiskDevice->Cdb16Byte) {\r | |
2647 | SectorCount = (UINT16) BlocksRemaining;\r | |
2648 | } else {\r | |
2649 | SectorCount = (UINT32) BlocksRemaining;\r | |
2650 | }\r | |
2651 | } else {\r | |
2652 | SectorCount = MaxBlock;\r | |
2653 | }\r | |
2654 | \r | |
2655 | ByteCount = SectorCount * BlockSize;\r | |
2656 | //\r | |
2657 | // |------------------------|-----------------|------------------|-----------------|\r | |
2658 | // | ATA Transfer Mode | Transfer Rate | SCSI Interface | Transfer Rate |\r | |
2659 | // |------------------------|-----------------|------------------|-----------------|\r | |
2660 | // | PIO Mode 0 | 3.3Mbytes/sec | SCSI-1 | 5Mbytes/sec |\r | |
2661 | // |------------------------|-----------------|------------------|-----------------|\r | |
2662 | // | PIO Mode 1 | 5.2Mbytes/sec | Fast SCSI | 10Mbytes/sec |\r | |
2663 | // |------------------------|-----------------|------------------|-----------------|\r | |
2664 | // | PIO Mode 2 | 8.3Mbytes/sec | Fast-Wide SCSI | 20Mbytes/sec |\r | |
2665 | // |------------------------|-----------------|------------------|-----------------|\r | |
2666 | // | PIO Mode 3 | 11.1Mbytes/sec | Ultra SCSI | 20Mbytes/sec |\r | |
2667 | // |------------------------|-----------------|------------------|-----------------|\r | |
2668 | // | PIO Mode 4 | 16.6Mbytes/sec | Ultra Wide SCSI | 40Mbytes/sec |\r | |
2669 | // |------------------------|-----------------|------------------|-----------------|\r | |
2670 | // | Single-word DMA Mode 0 | 2.1Mbytes/sec | Ultra2 SCSI | 40Mbytes/sec |\r | |
2671 | // |------------------------|-----------------|------------------|-----------------|\r | |
2672 | // | Single-word DMA Mode 1 | 4.2Mbytes/sec | Ultra2 Wide SCSI | 80Mbytes/sec |\r | |
2673 | // |------------------------|-----------------|------------------|-----------------|\r | |
2674 | // | Single-word DMA Mode 2 | 8.4Mbytes/sec | Ultra3 SCSI | 160Mbytes/sec |\r | |
2675 | // |------------------------|-----------------|------------------|-----------------|\r | |
2676 | // | Multi-word DMA Mode 0 | 4.2Mbytes/sec | Ultra-320 SCSI | 320Mbytes/sec |\r | |
2677 | // |------------------------|-----------------|------------------|-----------------|\r | |
2678 | // | Multi-word DMA Mode 1 | 13.3Mbytes/sec | Ultra-640 SCSI | 640Mbytes/sec |\r | |
2679 | // |------------------------|-----------------|------------------|-----------------|\r | |
2680 | //\r | |
2681 | // As ScsiDisk and ScsiBus driver are used to manage SCSI or ATAPI devices,\r | |
2682 | // we have to use the lowest transfer rate to calculate the possible\r | |
2683 | // maximum timeout value for each operation.\r | |
2684 | // From the above table, we could know 2.1Mbytes per second is lowest one.\r | |
2685 | // The timout value is rounded up to nearest integar and here an additional\r | |
2686 | // 30s is added to follow ATA spec in which it mentioned that the device\r | |
2687 | // may take up to 30s to respond commands in the Standby/Idle mode.\r | |
2688 | //\r | |
2689 | Timeout = EFI_TIMER_PERIOD_SECONDS (ByteCount / 2100000 + 31);\r | |
2690 | \r | |
2691 | if (!ScsiDiskDevice->Cdb16Byte) {\r | |
2692 | Status = ScsiDiskAsyncRead10 (\r | |
2693 | ScsiDiskDevice,\r | |
2694 | Timeout,\r | |
2695 | 0,\r | |
2696 | PtrBuffer,\r | |
2697 | ByteCount,\r | |
2698 | (UINT32) Lba,\r | |
2699 | SectorCount,\r | |
2700 | BlkIo2Req,\r | |
2701 | Token\r | |
2702 | );\r | |
2703 | } else {\r | |
2704 | Status = ScsiDiskAsyncRead16 (\r | |
2705 | ScsiDiskDevice,\r | |
2706 | Timeout,\r | |
2707 | 0,\r | |
2708 | PtrBuffer,\r | |
2709 | ByteCount,\r | |
2710 | Lba,\r | |
2711 | SectorCount,\r | |
2712 | BlkIo2Req,\r | |
2713 | Token\r | |
2714 | );\r | |
2715 | }\r | |
2716 | if (EFI_ERROR (Status)) {\r | |
2717 | //\r | |
2718 | // Some devices will return EFI_DEVICE_ERROR or EFI_TIMEOUT when the data\r | |
2719 | // length of a SCSI I/O command is too large.\r | |
2720 | // In this case, we retry sending the SCSI command with a data length\r | |
2721 | // half of its previous value.\r | |
2722 | //\r | |
2723 | if ((Status == EFI_DEVICE_ERROR) || (Status == EFI_TIMEOUT)) {\r | |
2724 | if ((MaxBlock > 1) && (SectorCount > 1)) {\r | |
2725 | MaxBlock = MIN (MaxBlock, SectorCount) >> 1;\r | |
2726 | continue;\r | |
2727 | }\r | |
2728 | }\r | |
2729 | \r | |
2730 | if (IsListEmpty (&BlkIo2Req->ScsiRWQueue)) {\r | |
2731 | //\r | |
2732 | // Free the SCSI_BLKIO2_REQUEST structure only when there is no other\r | |
2733 | // SCSI sub-task running. Otherwise, it will be freed in the callback\r | |
2734 | // function ScsiDiskNotify().\r | |
2735 | //\r | |
2736 | RemoveEntryList (&BlkIo2Req->Link);\r | |
2737 | FreePool (BlkIo2Req);\r | |
2738 | \r | |
2739 | //\r | |
2740 | // It is safe to return error status to the caller, since there is no\r | |
2741 | // previous SCSI sub-task executing.\r | |
2742 | //\r | |
2743 | return EFI_DEVICE_ERROR;\r | |
2744 | } else {\r | |
2745 | //\r | |
2746 | // There are previous SCSI commands still running, EFI_SUCCESS should\r | |
2747 | // be returned to make sure that the caller does not free resources\r | |
2748 | // still using by these SCSI commands.\r | |
2749 | //\r | |
2750 | return EFI_SUCCESS;\r | |
2751 | }\r | |
2752 | }\r | |
2753 | \r | |
2754 | //\r | |
2755 | // Sectors submitted for transfer\r | |
2756 | //\r | |
2757 | SectorCount = ByteCount / BlockSize;\r | |
2758 | \r | |
2759 | Lba += SectorCount;\r | |
2760 | PtrBuffer = PtrBuffer + SectorCount * BlockSize;\r | |
2761 | BlocksRemaining -= SectorCount;\r | |
2762 | }\r | |
2763 | \r | |
2764 | return EFI_SUCCESS;\r | |
2765 | }\r | |
2766 | \r | |
2767 | /**\r | |
2768 | Asynchronously write sector to SCSI Disk.\r | |
2769 | \r | |
2770 | @param ScsiDiskDevice The pointer of SCSI_DISK_DEV.\r | |
2771 | @param Buffer The buffer of data to be written into SCSI Disk.\r | |
2772 | @param Lba Logic block address.\r | |
2773 | @param NumberOfBlocks The number of blocks to read.\r | |
2774 | @param Token A pointer to the token associated with the\r | |
2775 | non-blocking read request.\r | |
2776 | \r | |
2777 | @retval EFI_INVALID_PARAMETER Token is NULL or Token->Event is NULL\r | |
2778 | @retval EFI_DEVICE_ERROR Indicates a device error.\r | |
2779 | @retval EFI_SUCCESS Operation is successful.\r | |
2780 | \r | |
2781 | **/\r | |
2782 | EFI_STATUS\r | |
2783 | ScsiDiskAsyncWriteSectors (\r | |
2784 | IN SCSI_DISK_DEV *ScsiDiskDevice,\r | |
2785 | IN VOID *Buffer,\r | |
2786 | IN EFI_LBA Lba,\r | |
2787 | IN UINTN NumberOfBlocks,\r | |
2788 | IN EFI_BLOCK_IO2_TOKEN *Token\r | |
2789 | )\r | |
2790 | {\r | |
2791 | UINTN BlocksRemaining;\r | |
2792 | UINT8 *PtrBuffer;\r | |
2793 | UINT32 BlockSize;\r | |
2794 | UINT32 ByteCount;\r | |
2795 | UINT32 MaxBlock;\r | |
2796 | UINT32 SectorCount;\r | |
2797 | UINT64 Timeout;\r | |
2798 | SCSI_BLKIO2_REQUEST *BlkIo2Req;\r | |
2799 | EFI_STATUS Status;\r | |
2800 | \r | |
2801 | if ((Token == NULL) || (Token->Event == NULL)) {\r | |
2802 | return EFI_INVALID_PARAMETER;\r | |
2803 | }\r | |
2804 | \r | |
2805 | BlkIo2Req = AllocateZeroPool (sizeof (SCSI_BLKIO2_REQUEST));\r | |
2806 | if (BlkIo2Req == NULL) {\r | |
2807 | return EFI_OUT_OF_RESOURCES;\r | |
2808 | }\r | |
2809 | \r | |
2810 | BlkIo2Req->Token = Token;\r | |
2811 | InsertTailList (&ScsiDiskDevice->BlkIo2Queue, &BlkIo2Req->Link);\r | |
2812 | InitializeListHead (&BlkIo2Req->ScsiRWQueue);\r | |
2813 | \r | |
2814 | Status = EFI_SUCCESS;\r | |
2815 | \r | |
2816 | BlocksRemaining = NumberOfBlocks;\r | |
2817 | BlockSize = ScsiDiskDevice->BlkIo.Media->BlockSize;\r | |
2818 | \r | |
2819 | //\r | |
2820 | // Limit the data bytes that can be transferred by one Read(10) or Read(16)\r | |
2821 | // Command\r | |
2822 | //\r | |
2823 | if (!ScsiDiskDevice->Cdb16Byte) {\r | |
2824 | MaxBlock = 0xFFFF;\r | |
2825 | } else {\r | |
2826 | MaxBlock = 0xFFFFFFFF;\r | |
2827 | }\r | |
2828 | \r | |
2829 | PtrBuffer = Buffer;\r | |
2830 | \r | |
2831 | while (BlocksRemaining > 0) {\r | |
2832 | \r | |
2833 | if (BlocksRemaining <= MaxBlock) {\r | |
2834 | if (!ScsiDiskDevice->Cdb16Byte) {\r | |
2835 | SectorCount = (UINT16) BlocksRemaining;\r | |
2836 | } else {\r | |
2837 | SectorCount = (UINT32) BlocksRemaining;\r | |
2838 | }\r | |
2839 | } else {\r | |
2840 | SectorCount = MaxBlock;\r | |
2841 | }\r | |
2842 | \r | |
2843 | ByteCount = SectorCount * BlockSize;\r | |
2844 | //\r | |
2845 | // |------------------------|-----------------|------------------|-----------------|\r | |
2846 | // | ATA Transfer Mode | Transfer Rate | SCSI Interface | Transfer Rate |\r | |
2847 | // |------------------------|-----------------|------------------|-----------------|\r | |
2848 | // | PIO Mode 0 | 3.3Mbytes/sec | SCSI-1 | 5Mbytes/sec |\r | |
2849 | // |------------------------|-----------------|------------------|-----------------|\r | |
2850 | // | PIO Mode 1 | 5.2Mbytes/sec | Fast SCSI | 10Mbytes/sec |\r | |
2851 | // |------------------------|-----------------|------------------|-----------------|\r | |
2852 | // | PIO Mode 2 | 8.3Mbytes/sec | Fast-Wide SCSI | 20Mbytes/sec |\r | |
2853 | // |------------------------|-----------------|------------------|-----------------|\r | |
2854 | // | PIO Mode 3 | 11.1Mbytes/sec | Ultra SCSI | 20Mbytes/sec |\r | |
2855 | // |------------------------|-----------------|------------------|-----------------|\r | |
2856 | // | PIO Mode 4 | 16.6Mbytes/sec | Ultra Wide SCSI | 40Mbytes/sec |\r | |
2857 | // |------------------------|-----------------|------------------|-----------------|\r | |
2858 | // | Single-word DMA Mode 0 | 2.1Mbytes/sec | Ultra2 SCSI | 40Mbytes/sec |\r | |
2859 | // |------------------------|-----------------|------------------|-----------------|\r | |
2860 | // | Single-word DMA Mode 1 | 4.2Mbytes/sec | Ultra2 Wide SCSI | 80Mbytes/sec |\r | |
2861 | // |------------------------|-----------------|------------------|-----------------|\r | |
2862 | // | Single-word DMA Mode 2 | 8.4Mbytes/sec | Ultra3 SCSI | 160Mbytes/sec |\r | |
2863 | // |------------------------|-----------------|------------------|-----------------|\r | |
2864 | // | Multi-word DMA Mode 0 | 4.2Mbytes/sec | Ultra-320 SCSI | 320Mbytes/sec |\r | |
2865 | // |------------------------|-----------------|------------------|-----------------|\r | |
2866 | // | Multi-word DMA Mode 1 | 13.3Mbytes/sec | Ultra-640 SCSI | 640Mbytes/sec |\r | |
2867 | // |------------------------|-----------------|------------------|-----------------|\r | |
2868 | //\r | |
2869 | // As ScsiDisk and ScsiBus driver are used to manage SCSI or ATAPI devices,\r | |
2870 | // we have to use the lowest transfer rate to calculate the possible\r | |
2871 | // maximum timeout value for each operation.\r | |
2872 | // From the above table, we could know 2.1Mbytes per second is lowest one.\r | |
2873 | // The timout value is rounded up to nearest integar and here an additional\r | |
2874 | // 30s is added to follow ATA spec in which it mentioned that the device\r | |
2875 | // may take up to 30s to respond commands in the Standby/Idle mode.\r | |
2876 | //\r | |
2877 | Timeout = EFI_TIMER_PERIOD_SECONDS (ByteCount / 2100000 + 31);\r | |
2878 | \r | |
2879 | if (!ScsiDiskDevice->Cdb16Byte) {\r | |
2880 | Status = ScsiDiskAsyncWrite10 (\r | |
2881 | ScsiDiskDevice,\r | |
2882 | Timeout,\r | |
2883 | 0,\r | |
2884 | PtrBuffer,\r | |
2885 | ByteCount,\r | |
2886 | (UINT32) Lba,\r | |
2887 | SectorCount,\r | |
2888 | BlkIo2Req,\r | |
2889 | Token\r | |
2890 | );\r | |
2891 | } else {\r | |
2892 | Status = ScsiDiskAsyncWrite16 (\r | |
2893 | ScsiDiskDevice,\r | |
2894 | Timeout,\r | |
2895 | 0,\r | |
2896 | PtrBuffer,\r | |
2897 | ByteCount,\r | |
2898 | Lba,\r | |
2899 | SectorCount,\r | |
2900 | BlkIo2Req,\r | |
2901 | Token\r | |
2902 | );\r | |
2903 | }\r | |
2904 | if (EFI_ERROR (Status)) {\r | |
2905 | //\r | |
2906 | // Some devices will return EFI_DEVICE_ERROR or EFI_TIMEOUT when the data\r | |
2907 | // length of a SCSI I/O command is too large.\r | |
2908 | // In this case, we retry sending the SCSI command with a data length\r | |
2909 | // half of its previous value.\r | |
2910 | //\r | |
2911 | if ((Status == EFI_DEVICE_ERROR) || (Status == EFI_TIMEOUT)) {\r | |
2912 | if ((MaxBlock > 1) && (SectorCount > 1)) {\r | |
2913 | MaxBlock = MIN (MaxBlock, SectorCount) >> 1;\r | |
2914 | continue;\r | |
2915 | }\r | |
2916 | }\r | |
2917 | \r | |
2918 | if (IsListEmpty (&BlkIo2Req->ScsiRWQueue)) {\r | |
2919 | //\r | |
2920 | // Free the SCSI_BLKIO2_REQUEST structure only when there is no other\r | |
2921 | // SCSI sub-task running. Otherwise, it will be freed in the callback\r | |
2922 | // function ScsiDiskNotify().\r | |
2923 | //\r | |
2924 | RemoveEntryList (&BlkIo2Req->Link);\r | |
2925 | FreePool (BlkIo2Req);\r | |
2926 | \r | |
2927 | //\r | |
2928 | // It is safe to return error status to the caller, since there is no\r | |
2929 | // previous SCSI sub-task executing.\r | |
2930 | //\r | |
2931 | return EFI_DEVICE_ERROR;\r | |
2932 | } else {\r | |
2933 | //\r | |
2934 | // There are previous SCSI commands still running, EFI_SUCCESS should\r | |
2935 | // be returned to make sure that the caller does not free resources\r | |
2936 | // still using by these SCSI commands.\r | |
2937 | //\r | |
2938 | return EFI_SUCCESS;\r | |
2939 | }\r | |
2940 | }\r | |
2941 | \r | |
2942 | //\r | |
2943 | // Sectors submitted for transfer\r | |
2944 | //\r | |
2945 | SectorCount = ByteCount / BlockSize;\r | |
2946 | \r | |
2947 | Lba += SectorCount;\r | |
2948 | PtrBuffer = PtrBuffer + SectorCount * BlockSize;\r | |
2949 | BlocksRemaining -= SectorCount;\r | |
2950 | }\r | |
2951 | \r | |
2952 | return EFI_SUCCESS;\r | |
2953 | }\r | |
2954 | \r | |
2955 | \r | |
2956 | /**\r | |
2957 | Submit Read(10) command.\r | |
2958 | \r | |
2959 | @param ScsiDiskDevice The pointer of ScsiDiskDevice\r | |
2960 | @param NeedRetry The pointer of flag indicates if needs retry if error happens\r | |
2961 | @param Timeout The time to complete the command\r | |
2962 | @param DataBuffer The buffer to fill with the read out data\r | |
2963 | @param DataLength The length of buffer\r | |
2964 | @param StartLba The start logic block address\r | |
2965 | @param SectorCount The number of blocks to read\r | |
2966 | \r | |
2967 | @return EFI_STATUS is returned by calling ScsiRead10Command().\r | |
2968 | **/\r | |
2969 | EFI_STATUS\r | |
2970 | ScsiDiskRead10 (\r | |
2971 | IN SCSI_DISK_DEV *ScsiDiskDevice,\r | |
2972 | OUT BOOLEAN *NeedRetry,\r | |
2973 | IN UINT64 Timeout,\r | |
2974 | OUT UINT8 *DataBuffer,\r | |
2975 | IN OUT UINT32 *DataLength,\r | |
2976 | IN UINT32 StartLba,\r | |
2977 | IN UINT32 SectorCount\r | |
2978 | )\r | |
2979 | {\r | |
2980 | UINT8 SenseDataLength;\r | |
2981 | EFI_STATUS Status;\r | |
2982 | EFI_STATUS ReturnStatus;\r | |
2983 | UINT8 HostAdapterStatus;\r | |
2984 | UINT8 TargetStatus;\r | |
2985 | UINTN Action;\r | |
2986 | \r | |
2987 | //\r | |
2988 | // Implement a backoff algorithem to resolve some compatibility issues that\r | |
2989 | // some SCSI targets or ATAPI devices couldn't correctly response reading/writing\r | |
2990 | // big data in a single operation.\r | |
2991 | // This algorithem will at first try to execute original request. If the request fails\r | |
2992 | // with media error sense data or else, it will reduce the transfer length to half and\r | |
2993 | // try again till the operation succeeds or fails with one sector transfer length.\r | |
2994 | //\r | |
2995 | BackOff:\r | |
2996 | *NeedRetry = FALSE;\r | |
2997 | Action = ACTION_NO_ACTION;\r | |
2998 | SenseDataLength = (UINT8) (ScsiDiskDevice->SenseDataNumber * sizeof (EFI_SCSI_SENSE_DATA));\r | |
2999 | ReturnStatus = ScsiRead10Command (\r | |
3000 | ScsiDiskDevice->ScsiIo,\r | |
3001 | Timeout,\r | |
3002 | ScsiDiskDevice->SenseData,\r | |
3003 | &SenseDataLength,\r | |
3004 | &HostAdapterStatus,\r | |
3005 | &TargetStatus,\r | |
3006 | DataBuffer,\r | |
3007 | DataLength,\r | |
3008 | StartLba,\r | |
3009 | SectorCount\r | |
3010 | );\r | |
3011 | \r | |
3012 | if (ReturnStatus == EFI_NOT_READY || ReturnStatus == EFI_BAD_BUFFER_SIZE) {\r | |
3013 | *NeedRetry = TRUE;\r | |
3014 | return EFI_DEVICE_ERROR;\r | |
3015 | } else if ((ReturnStatus == EFI_INVALID_PARAMETER) || (ReturnStatus == EFI_UNSUPPORTED)) {\r | |
3016 | *NeedRetry = FALSE;\r | |
3017 | return ReturnStatus;\r | |
3018 | }\r | |
3019 | \r | |
3020 | //\r | |
3021 | // go ahead to check HostAdapterStatus and TargetStatus\r | |
3022 | // (EFI_TIMEOUT, EFI_DEVICE_ERROR, EFI_WARN_BUFFER_TOO_SMALL)\r | |
3023 | //\r | |
3024 | Status = CheckHostAdapterStatus (HostAdapterStatus);\r | |
3025 | if ((Status == EFI_TIMEOUT) || (Status == EFI_NOT_READY)) {\r | |
3026 | *NeedRetry = TRUE;\r | |
3027 | return EFI_DEVICE_ERROR;\r | |
3028 | } else if (Status == EFI_DEVICE_ERROR) {\r | |
3029 | //\r | |
3030 | // reset the scsi channel\r | |
3031 | //\r | |
3032 | ScsiDiskDevice->ScsiIo->ResetBus (ScsiDiskDevice->ScsiIo);\r | |
3033 | *NeedRetry = FALSE;\r | |
3034 | return EFI_DEVICE_ERROR;\r | |
3035 | }\r | |
3036 | \r | |
3037 | Status = CheckTargetStatus (TargetStatus);\r | |
3038 | if (Status == EFI_NOT_READY) {\r | |
3039 | //\r | |
3040 | // reset the scsi device\r | |
3041 | //\r | |
3042 | ScsiDiskDevice->ScsiIo->ResetDevice (ScsiDiskDevice->ScsiIo);\r | |
3043 | *NeedRetry = TRUE;\r | |
3044 | return EFI_DEVICE_ERROR;\r | |
3045 | } else if (Status == EFI_DEVICE_ERROR) {\r | |
3046 | *NeedRetry = FALSE;\r | |
3047 | return EFI_DEVICE_ERROR;\r | |
3048 | }\r | |
3049 | \r | |
3050 | if ((TargetStatus == EFI_EXT_SCSI_STATUS_TARGET_CHECK_CONDITION) || (EFI_ERROR (ReturnStatus))) {\r | |
3051 | DEBUG ((EFI_D_ERROR, "ScsiDiskRead10: Check Condition happened!\n"));\r | |
3052 | Status = DetectMediaParsingSenseKeys (ScsiDiskDevice, ScsiDiskDevice->SenseData, SenseDataLength / sizeof (EFI_SCSI_SENSE_DATA), &Action);\r | |
3053 | if (Action == ACTION_RETRY_COMMAND_LATER) {\r | |
3054 | *NeedRetry = TRUE;\r | |
3055 | return EFI_DEVICE_ERROR;\r | |
3056 | } else if (Action == ACTION_RETRY_WITH_BACKOFF_ALGO) {\r | |
3057 | if (SectorCount <= 1) {\r | |
3058 | //\r | |
3059 | // Jump out if the operation still fails with one sector transfer length.\r | |
3060 | //\r | |
3061 | *NeedRetry = FALSE;\r | |
3062 | return EFI_DEVICE_ERROR;\r | |
3063 | }\r | |
3064 | //\r | |
3065 | // Try again with half length if the sense data shows we need to retry.\r | |
3066 | //\r | |
3067 | SectorCount >>= 1;\r | |
3068 | *DataLength = SectorCount * ScsiDiskDevice->BlkIo.Media->BlockSize;\r | |
3069 | goto BackOff;\r | |
3070 | } else {\r | |
3071 | *NeedRetry = FALSE;\r | |
3072 | return EFI_DEVICE_ERROR;\r | |
3073 | }\r | |
3074 | }\r | |
3075 | \r | |
3076 | return ReturnStatus;\r | |
3077 | }\r | |
3078 | \r | |
3079 | \r | |
3080 | /**\r | |
3081 | Submit Write(10) Command.\r | |
3082 | \r | |
3083 | @param ScsiDiskDevice The pointer of ScsiDiskDevice\r | |
3084 | @param NeedRetry The pointer of flag indicates if needs retry if error happens\r | |
3085 | @param Timeout The time to complete the command\r | |
3086 | @param DataBuffer The buffer to fill with the read out data\r | |
3087 | @param DataLength The length of buffer\r | |
3088 | @param StartLba The start logic block address\r | |
3089 | @param SectorCount The number of blocks to write\r | |
3090 | \r | |
3091 | @return EFI_STATUS is returned by calling ScsiWrite10Command().\r | |
3092 | \r | |
3093 | **/\r | |
3094 | EFI_STATUS\r | |
3095 | ScsiDiskWrite10 (\r | |
3096 | IN SCSI_DISK_DEV *ScsiDiskDevice,\r | |
3097 | OUT BOOLEAN *NeedRetry,\r | |
3098 | IN UINT64 Timeout,\r | |
3099 | IN UINT8 *DataBuffer,\r | |
3100 | IN OUT UINT32 *DataLength,\r | |
3101 | IN UINT32 StartLba,\r | |
3102 | IN UINT32 SectorCount\r | |
3103 | )\r | |
3104 | {\r | |
3105 | EFI_STATUS Status;\r | |
3106 | EFI_STATUS ReturnStatus;\r | |
3107 | UINT8 SenseDataLength;\r | |
3108 | UINT8 HostAdapterStatus;\r | |
3109 | UINT8 TargetStatus;\r | |
3110 | UINTN Action;\r | |
3111 | \r | |
3112 | //\r | |
3113 | // Implement a backoff algorithem to resolve some compatibility issues that\r | |
3114 | // some SCSI targets or ATAPI devices couldn't correctly response reading/writing\r | |
3115 | // big data in a single operation.\r | |
3116 | // This algorithem will at first try to execute original request. If the request fails\r | |
3117 | // with media error sense data or else, it will reduce the transfer length to half and\r | |
3118 | // try again till the operation succeeds or fails with one sector transfer length.\r | |
3119 | //\r | |
3120 | BackOff:\r | |
3121 | *NeedRetry = FALSE;\r | |
3122 | Action = ACTION_NO_ACTION;\r | |
3123 | SenseDataLength = (UINT8) (ScsiDiskDevice->SenseDataNumber * sizeof (EFI_SCSI_SENSE_DATA));\r | |
3124 | ReturnStatus = ScsiWrite10Command (\r | |
3125 | ScsiDiskDevice->ScsiIo,\r | |
3126 | Timeout,\r | |
3127 | ScsiDiskDevice->SenseData,\r | |
3128 | &SenseDataLength,\r | |
3129 | &HostAdapterStatus,\r | |
3130 | &TargetStatus,\r | |
3131 | DataBuffer,\r | |
3132 | DataLength,\r | |
3133 | StartLba,\r | |
3134 | SectorCount\r | |
3135 | );\r | |
3136 | if (ReturnStatus == EFI_NOT_READY || ReturnStatus == EFI_BAD_BUFFER_SIZE) {\r | |
3137 | *NeedRetry = TRUE;\r | |
3138 | return EFI_DEVICE_ERROR;\r | |
3139 | } else if ((ReturnStatus == EFI_INVALID_PARAMETER) || (ReturnStatus == EFI_UNSUPPORTED)) {\r | |
3140 | *NeedRetry = FALSE;\r | |
3141 | return ReturnStatus;\r | |
3142 | }\r | |
3143 | \r | |
3144 | //\r | |
3145 | // go ahead to check HostAdapterStatus and TargetStatus\r | |
3146 | // (EFI_TIMEOUT, EFI_DEVICE_ERROR, EFI_WARN_BUFFER_TOO_SMALL)\r | |
3147 | //\r | |
3148 | Status = CheckHostAdapterStatus (HostAdapterStatus);\r | |
3149 | if ((Status == EFI_TIMEOUT) || (Status == EFI_NOT_READY)) {\r | |
3150 | *NeedRetry = TRUE;\r | |
3151 | return EFI_DEVICE_ERROR;\r | |
3152 | } else if (Status == EFI_DEVICE_ERROR) {\r | |
3153 | //\r | |
3154 | // reset the scsi channel\r | |
3155 | //\r | |
3156 | ScsiDiskDevice->ScsiIo->ResetBus (ScsiDiskDevice->ScsiIo);\r | |
3157 | *NeedRetry = FALSE;\r | |
3158 | return EFI_DEVICE_ERROR;\r | |
3159 | }\r | |
3160 | \r | |
3161 | Status = CheckTargetStatus (TargetStatus);\r | |
3162 | if (Status == EFI_NOT_READY) {\r | |
3163 | //\r | |
3164 | // reset the scsi device\r | |
3165 | //\r | |
3166 | ScsiDiskDevice->ScsiIo->ResetDevice (ScsiDiskDevice->ScsiIo);\r | |
3167 | *NeedRetry = TRUE;\r | |
3168 | return EFI_DEVICE_ERROR;\r | |
3169 | } else if (Status == EFI_DEVICE_ERROR) {\r | |
3170 | *NeedRetry = FALSE;\r | |
3171 | return EFI_DEVICE_ERROR;\r | |
3172 | }\r | |
3173 | \r | |
3174 | if ((TargetStatus == EFI_EXT_SCSI_STATUS_TARGET_CHECK_CONDITION) || (EFI_ERROR (ReturnStatus))) {\r | |
3175 | DEBUG ((EFI_D_ERROR, "ScsiDiskWrite10: Check Condition happened!\n"));\r | |
3176 | Status = DetectMediaParsingSenseKeys (ScsiDiskDevice, ScsiDiskDevice->SenseData, SenseDataLength / sizeof (EFI_SCSI_SENSE_DATA), &Action);\r | |
3177 | if (Action == ACTION_RETRY_COMMAND_LATER) {\r | |
3178 | *NeedRetry = TRUE;\r | |
3179 | return EFI_DEVICE_ERROR;\r | |
3180 | } else if (Action == ACTION_RETRY_WITH_BACKOFF_ALGO) {\r | |
3181 | if (SectorCount <= 1) {\r | |
3182 | //\r | |
3183 | // Jump out if the operation still fails with one sector transfer length.\r | |
3184 | //\r | |
3185 | *NeedRetry = FALSE;\r | |
3186 | return EFI_DEVICE_ERROR;\r | |
3187 | }\r | |
3188 | //\r | |
3189 | // Try again with half length if the sense data shows we need to retry.\r | |
3190 | //\r | |
3191 | SectorCount >>= 1;\r | |
3192 | *DataLength = SectorCount * ScsiDiskDevice->BlkIo.Media->BlockSize;\r | |
3193 | goto BackOff;\r | |
3194 | } else {\r | |
3195 | *NeedRetry = FALSE;\r | |
3196 | return EFI_DEVICE_ERROR;\r | |
3197 | }\r | |
3198 | }\r | |
3199 | \r | |
3200 | return ReturnStatus;\r | |
3201 | }\r | |
3202 | \r | |
3203 | \r | |
3204 | /**\r | |
3205 | Submit Read(16) command.\r | |
3206 | \r | |
3207 | @param ScsiDiskDevice The pointer of ScsiDiskDevice\r | |
3208 | @param NeedRetry The pointer of flag indicates if needs retry if error happens\r | |
3209 | @param Timeout The time to complete the command\r | |
3210 | @param DataBuffer The buffer to fill with the read out data\r | |
3211 | @param DataLength The length of buffer\r | |
3212 | @param StartLba The start logic block address\r | |
3213 | @param SectorCount The number of blocks to read\r | |
3214 | \r | |
3215 | @return EFI_STATUS is returned by calling ScsiRead16Command().\r | |
3216 | **/\r | |
3217 | EFI_STATUS\r | |
3218 | ScsiDiskRead16 (\r | |
3219 | IN SCSI_DISK_DEV *ScsiDiskDevice,\r | |
3220 | OUT BOOLEAN *NeedRetry,\r | |
3221 | IN UINT64 Timeout,\r | |
3222 | OUT UINT8 *DataBuffer,\r | |
3223 | IN OUT UINT32 *DataLength,\r | |
3224 | IN UINT64 StartLba,\r | |
3225 | IN UINT32 SectorCount\r | |
3226 | )\r | |
3227 | {\r | |
3228 | UINT8 SenseDataLength;\r | |
3229 | EFI_STATUS Status;\r | |
3230 | EFI_STATUS ReturnStatus;\r | |
3231 | UINT8 HostAdapterStatus;\r | |
3232 | UINT8 TargetStatus;\r | |
3233 | UINTN Action;\r | |
3234 | \r | |
3235 | //\r | |
3236 | // Implement a backoff algorithem to resolve some compatibility issues that\r | |
3237 | // some SCSI targets or ATAPI devices couldn't correctly response reading/writing\r | |
3238 | // big data in a single operation.\r | |
3239 | // This algorithem will at first try to execute original request. If the request fails\r | |
3240 | // with media error sense data or else, it will reduce the transfer length to half and\r | |
3241 | // try again till the operation succeeds or fails with one sector transfer length.\r | |
3242 | //\r | |
3243 | BackOff:\r | |
3244 | *NeedRetry = FALSE;\r | |
3245 | Action = ACTION_NO_ACTION;\r | |
3246 | SenseDataLength = (UINT8) (ScsiDiskDevice->SenseDataNumber * sizeof (EFI_SCSI_SENSE_DATA));\r | |
3247 | ReturnStatus = ScsiRead16Command (\r | |
3248 | ScsiDiskDevice->ScsiIo,\r | |
3249 | Timeout,\r | |
3250 | ScsiDiskDevice->SenseData,\r | |
3251 | &SenseDataLength,\r | |
3252 | &HostAdapterStatus,\r | |
3253 | &TargetStatus,\r | |
3254 | DataBuffer,\r | |
3255 | DataLength,\r | |
3256 | StartLba,\r | |
3257 | SectorCount\r | |
3258 | );\r | |
3259 | if (ReturnStatus == EFI_NOT_READY || ReturnStatus == EFI_BAD_BUFFER_SIZE) {\r | |
3260 | *NeedRetry = TRUE;\r | |
3261 | return EFI_DEVICE_ERROR;\r | |
3262 | } else if ((ReturnStatus == EFI_INVALID_PARAMETER) || (ReturnStatus == EFI_UNSUPPORTED)) {\r | |
3263 | *NeedRetry = FALSE;\r | |
3264 | return ReturnStatus;\r | |
3265 | }\r | |
3266 | \r | |
3267 | //\r | |
3268 | // go ahead to check HostAdapterStatus and TargetStatus\r | |
3269 | // (EFI_TIMEOUT, EFI_DEVICE_ERROR, EFI_WARN_BUFFER_TOO_SMALL)\r | |
3270 | //\r | |
3271 | Status = CheckHostAdapterStatus (HostAdapterStatus);\r | |
3272 | if ((Status == EFI_TIMEOUT) || (Status == EFI_NOT_READY)) {\r | |
3273 | *NeedRetry = TRUE;\r | |
3274 | return EFI_DEVICE_ERROR;\r | |
3275 | } else if (Status == EFI_DEVICE_ERROR) {\r | |
3276 | //\r | |
3277 | // reset the scsi channel\r | |
3278 | //\r | |
3279 | ScsiDiskDevice->ScsiIo->ResetBus (ScsiDiskDevice->ScsiIo);\r | |
3280 | *NeedRetry = FALSE;\r | |
3281 | return EFI_DEVICE_ERROR;\r | |
3282 | }\r | |
3283 | \r | |
3284 | Status = CheckTargetStatus (TargetStatus);\r | |
3285 | if (Status == EFI_NOT_READY) {\r | |
3286 | //\r | |
3287 | // reset the scsi device\r | |
3288 | //\r | |
3289 | ScsiDiskDevice->ScsiIo->ResetDevice (ScsiDiskDevice->ScsiIo);\r | |
3290 | *NeedRetry = TRUE;\r | |
3291 | return EFI_DEVICE_ERROR;\r | |
3292 | } else if (Status == EFI_DEVICE_ERROR) {\r | |
3293 | *NeedRetry = FALSE;\r | |
3294 | return EFI_DEVICE_ERROR;\r | |
3295 | }\r | |
3296 | \r | |
3297 | if ((TargetStatus == EFI_EXT_SCSI_STATUS_TARGET_CHECK_CONDITION) || (EFI_ERROR (ReturnStatus))) {\r | |
3298 | DEBUG ((EFI_D_ERROR, "ScsiDiskRead16: Check Condition happened!\n"));\r | |
3299 | Status = DetectMediaParsingSenseKeys (ScsiDiskDevice, ScsiDiskDevice->SenseData, SenseDataLength / sizeof (EFI_SCSI_SENSE_DATA), &Action);\r | |
3300 | if (Action == ACTION_RETRY_COMMAND_LATER) {\r | |
3301 | *NeedRetry = TRUE;\r | |
3302 | return EFI_DEVICE_ERROR;\r | |
3303 | } else if (Action == ACTION_RETRY_WITH_BACKOFF_ALGO) {\r | |
3304 | if (SectorCount <= 1) {\r | |
3305 | //\r | |
3306 | // Jump out if the operation still fails with one sector transfer length.\r | |
3307 | //\r | |
3308 | *NeedRetry = FALSE;\r | |
3309 | return EFI_DEVICE_ERROR;\r | |
3310 | }\r | |
3311 | //\r | |
3312 | // Try again with half length if the sense data shows we need to retry.\r | |
3313 | //\r | |
3314 | SectorCount >>= 1;\r | |
3315 | *DataLength = SectorCount * ScsiDiskDevice->BlkIo.Media->BlockSize;\r | |
3316 | goto BackOff;\r | |
3317 | } else {\r | |
3318 | *NeedRetry = FALSE;\r | |
3319 | return EFI_DEVICE_ERROR;\r | |
3320 | }\r | |
3321 | }\r | |
3322 | \r | |
3323 | return ReturnStatus;\r | |
3324 | }\r | |
3325 | \r | |
3326 | \r | |
3327 | /**\r | |
3328 | Submit Write(16) Command.\r | |
3329 | \r | |
3330 | @param ScsiDiskDevice The pointer of ScsiDiskDevice\r | |
3331 | @param NeedRetry The pointer of flag indicates if needs retry if error happens\r | |
3332 | @param Timeout The time to complete the command\r | |
3333 | @param DataBuffer The buffer to fill with the read out data\r | |
3334 | @param DataLength The length of buffer\r | |
3335 | @param StartLba The start logic block address\r | |
3336 | @param SectorCount The number of blocks to write\r | |
3337 | \r | |
3338 | @return EFI_STATUS is returned by calling ScsiWrite16Command().\r | |
3339 | \r | |
3340 | **/\r | |
3341 | EFI_STATUS\r | |
3342 | ScsiDiskWrite16 (\r | |
3343 | IN SCSI_DISK_DEV *ScsiDiskDevice,\r | |
3344 | OUT BOOLEAN *NeedRetry,\r | |
3345 | IN UINT64 Timeout,\r | |
3346 | IN UINT8 *DataBuffer,\r | |
3347 | IN OUT UINT32 *DataLength,\r | |
3348 | IN UINT64 StartLba,\r | |
3349 | IN UINT32 SectorCount\r | |
3350 | )\r | |
3351 | {\r | |
3352 | EFI_STATUS Status;\r | |
3353 | EFI_STATUS ReturnStatus;\r | |
3354 | UINT8 SenseDataLength;\r | |
3355 | UINT8 HostAdapterStatus;\r | |
3356 | UINT8 TargetStatus;\r | |
3357 | UINTN Action;\r | |
3358 | \r | |
3359 | //\r | |
3360 | // Implement a backoff algorithem to resolve some compatibility issues that\r | |
3361 | // some SCSI targets or ATAPI devices couldn't correctly response reading/writing\r | |
3362 | // big data in a single operation.\r | |
3363 | // This algorithem will at first try to execute original request. If the request fails\r | |
3364 | // with media error sense data or else, it will reduce the transfer length to half and\r | |
3365 | // try again till the operation succeeds or fails with one sector transfer length.\r | |
3366 | //\r | |
3367 | BackOff:\r | |
3368 | *NeedRetry = FALSE;\r | |
3369 | Action = ACTION_NO_ACTION;\r | |
3370 | SenseDataLength = (UINT8) (ScsiDiskDevice->SenseDataNumber * sizeof (EFI_SCSI_SENSE_DATA));\r | |
3371 | ReturnStatus = ScsiWrite16Command (\r | |
3372 | ScsiDiskDevice->ScsiIo,\r | |
3373 | Timeout,\r | |
3374 | ScsiDiskDevice->SenseData,\r | |
3375 | &SenseDataLength,\r | |
3376 | &HostAdapterStatus,\r | |
3377 | &TargetStatus,\r | |
3378 | DataBuffer,\r | |
3379 | DataLength,\r | |
3380 | StartLba,\r | |
3381 | SectorCount\r | |
3382 | );\r | |
3383 | if (ReturnStatus == EFI_NOT_READY || ReturnStatus == EFI_BAD_BUFFER_SIZE) {\r | |
3384 | *NeedRetry = TRUE;\r | |
3385 | return EFI_DEVICE_ERROR;\r | |
3386 | } else if ((ReturnStatus == EFI_INVALID_PARAMETER) || (ReturnStatus == EFI_UNSUPPORTED)) {\r | |
3387 | *NeedRetry = FALSE;\r | |
3388 | return ReturnStatus;\r | |
3389 | }\r | |
3390 | \r | |
3391 | //\r | |
3392 | // go ahead to check HostAdapterStatus and TargetStatus\r | |
3393 | // (EFI_TIMEOUT, EFI_DEVICE_ERROR, EFI_WARN_BUFFER_TOO_SMALL)\r | |
3394 | //\r | |
3395 | Status = CheckHostAdapterStatus (HostAdapterStatus);\r | |
3396 | if ((Status == EFI_TIMEOUT) || (Status == EFI_NOT_READY)) {\r | |
3397 | *NeedRetry = TRUE;\r | |
3398 | return EFI_DEVICE_ERROR;\r | |
3399 | } else if (Status == EFI_DEVICE_ERROR) {\r | |
3400 | //\r | |
3401 | // reset the scsi channel\r | |
3402 | //\r | |
3403 | ScsiDiskDevice->ScsiIo->ResetBus (ScsiDiskDevice->ScsiIo);\r | |
3404 | *NeedRetry = FALSE;\r | |
3405 | return EFI_DEVICE_ERROR;\r | |
3406 | }\r | |
3407 | \r | |
3408 | Status = CheckTargetStatus (TargetStatus);\r | |
3409 | if (Status == EFI_NOT_READY) {\r | |
3410 | //\r | |
3411 | // reset the scsi device\r | |
3412 | //\r | |
3413 | ScsiDiskDevice->ScsiIo->ResetDevice (ScsiDiskDevice->ScsiIo);\r | |
3414 | *NeedRetry = TRUE;\r | |
3415 | return EFI_DEVICE_ERROR;\r | |
3416 | } else if (Status == EFI_DEVICE_ERROR) {\r | |
3417 | *NeedRetry = FALSE;\r | |
3418 | return EFI_DEVICE_ERROR;\r | |
3419 | }\r | |
3420 | \r | |
3421 | if ((TargetStatus == EFI_EXT_SCSI_STATUS_TARGET_CHECK_CONDITION) || (EFI_ERROR (ReturnStatus))) {\r | |
3422 | DEBUG ((EFI_D_ERROR, "ScsiDiskWrite16: Check Condition happened!\n"));\r | |
3423 | Status = DetectMediaParsingSenseKeys (ScsiDiskDevice, ScsiDiskDevice->SenseData, SenseDataLength / sizeof (EFI_SCSI_SENSE_DATA), &Action);\r | |
3424 | if (Action == ACTION_RETRY_COMMAND_LATER) {\r | |
3425 | *NeedRetry = TRUE;\r | |
3426 | return EFI_DEVICE_ERROR;\r | |
3427 | } else if (Action == ACTION_RETRY_WITH_BACKOFF_ALGO) {\r | |
3428 | if (SectorCount <= 1) {\r | |
3429 | //\r | |
3430 | // Jump out if the operation still fails with one sector transfer length.\r | |
3431 | //\r | |
3432 | *NeedRetry = FALSE;\r | |
3433 | return EFI_DEVICE_ERROR;\r | |
3434 | }\r | |
3435 | //\r | |
3436 | // Try again with half length if the sense data shows we need to retry.\r | |
3437 | //\r | |
3438 | SectorCount >>= 1;\r | |
3439 | *DataLength = SectorCount * ScsiDiskDevice->BlkIo.Media->BlockSize;\r | |
3440 | goto BackOff;\r | |
3441 | } else {\r | |
3442 | *NeedRetry = FALSE;\r | |
3443 | return EFI_DEVICE_ERROR;\r | |
3444 | }\r | |
3445 | }\r | |
3446 | \r | |
3447 | return ReturnStatus;\r | |
3448 | }\r | |
3449 | \r | |
3450 | \r | |
3451 | /**\r | |
3452 | Internal helper notify function in which determine whether retry of a SCSI\r | |
3453 | Read/Write command is needed and signal the event passed from Block I/O(2) if\r | |
3454 | the SCSI I/O operation completes.\r | |
3455 | \r | |
3456 | @param Event The instance of EFI_EVENT.\r | |
3457 | @param Context The parameter passed in.\r | |
3458 | \r | |
3459 | **/\r | |
3460 | VOID\r | |
3461 | EFIAPI\r | |
3462 | ScsiDiskNotify (\r | |
3463 | IN EFI_EVENT Event,\r | |
3464 | IN VOID *Context\r | |
3465 | )\r | |
3466 | {\r | |
3467 | EFI_STATUS Status;\r | |
3468 | SCSI_ASYNC_RW_REQUEST *Request;\r | |
3469 | SCSI_DISK_DEV *ScsiDiskDevice;\r | |
3470 | EFI_BLOCK_IO2_TOKEN *Token;\r | |
3471 | UINTN Action;\r | |
3472 | UINT32 OldDataLength;\r | |
3473 | UINT32 OldSectorCount;\r | |
3474 | UINT8 MaxRetry;\r | |
3475 | \r | |
3476 | gBS->CloseEvent (Event);\r | |
3477 | \r | |
3478 | Request = (SCSI_ASYNC_RW_REQUEST *) Context;\r | |
3479 | ScsiDiskDevice = Request->ScsiDiskDevice;\r | |
3480 | Token = Request->BlkIo2Req->Token;\r | |
3481 | OldDataLength = Request->DataLength;\r | |
3482 | OldSectorCount = Request->SectorCount;\r | |
3483 | MaxRetry = 2;\r | |
3484 | \r | |
3485 | //\r | |
3486 | // If previous sub-tasks already fails, no need to process this sub-task.\r | |
3487 | //\r | |
3488 | if (Token->TransactionStatus != EFI_SUCCESS) {\r | |
3489 | goto Exit;\r | |
3490 | }\r | |
3491 | \r | |
3492 | //\r | |
3493 | // Check HostAdapterStatus and TargetStatus\r | |
3494 | // (EFI_TIMEOUT, EFI_DEVICE_ERROR, EFI_WARN_BUFFER_TOO_SMALL)\r | |
3495 | //\r | |
3496 | Status = CheckHostAdapterStatus (Request->HostAdapterStatus);\r | |
3497 | if ((Status == EFI_TIMEOUT) || (Status == EFI_NOT_READY)) {\r | |
3498 | if (++Request->TimesRetry > MaxRetry) {\r | |
3499 | Token->TransactionStatus = EFI_DEVICE_ERROR;\r | |
3500 | goto Exit;\r | |
3501 | } else {\r | |
3502 | goto Retry;\r | |
3503 | }\r | |
3504 | } else if (Status == EFI_DEVICE_ERROR) {\r | |
3505 | //\r | |
3506 | // reset the scsi channel\r | |
3507 | //\r | |
3508 | ScsiDiskDevice->ScsiIo->ResetBus (ScsiDiskDevice->ScsiIo);\r | |
3509 | Token->TransactionStatus = EFI_DEVICE_ERROR;\r | |
3510 | goto Exit;\r | |
3511 | }\r | |
3512 | \r | |
3513 | Status = CheckTargetStatus (Request->TargetStatus);\r | |
3514 | if (Status == EFI_NOT_READY) {\r | |
3515 | //\r | |
3516 | // reset the scsi device\r | |
3517 | //\r | |
3518 | ScsiDiskDevice->ScsiIo->ResetDevice (ScsiDiskDevice->ScsiIo);\r | |
3519 | if (++Request->TimesRetry > MaxRetry) {\r | |
3520 | Token->TransactionStatus = EFI_DEVICE_ERROR;\r | |
3521 | goto Exit;\r | |
3522 | } else {\r | |
3523 | goto Retry;\r | |
3524 | }\r | |
3525 | } else if (Status == EFI_DEVICE_ERROR) {\r | |
3526 | Token->TransactionStatus = EFI_DEVICE_ERROR;\r | |
3527 | goto Exit;\r | |
3528 | }\r | |
3529 | \r | |
3530 | if (Request->TargetStatus == EFI_EXT_SCSI_STATUS_TARGET_CHECK_CONDITION) {\r | |
3531 | DEBUG ((EFI_D_ERROR, "ScsiDiskNotify: Check Condition happened!\n"));\r | |
3532 | \r | |
3533 | Status = DetectMediaParsingSenseKeys (\r | |
3534 | ScsiDiskDevice,\r | |
3535 | Request->SenseData,\r | |
3536 | Request->SenseDataLength / sizeof (EFI_SCSI_SENSE_DATA),\r | |
3537 | &Action\r | |
3538 | );\r | |
3539 | if (Action == ACTION_RETRY_COMMAND_LATER) {\r | |
3540 | if (++Request->TimesRetry > MaxRetry) {\r | |
3541 | Token->TransactionStatus = EFI_DEVICE_ERROR;\r | |
3542 | goto Exit;\r | |
3543 | } else {\r | |
3544 | goto Retry;\r | |
3545 | }\r | |
3546 | } else if (Action == ACTION_RETRY_WITH_BACKOFF_ALGO) {\r | |
3547 | if (Request->SectorCount <= 1) {\r | |
3548 | //\r | |
3549 | // Jump out if the operation still fails with one sector transfer\r | |
3550 | // length.\r | |
3551 | //\r | |
3552 | Token->TransactionStatus = EFI_DEVICE_ERROR;\r | |
3553 | goto Exit;\r | |
3554 | }\r | |
3555 | //\r | |
3556 | // Try again with two half length request if the sense data shows we need\r | |
3557 | // to retry.\r | |
3558 | //\r | |
3559 | Request->SectorCount >>= 1;\r | |
3560 | Request->DataLength = Request->SectorCount * ScsiDiskDevice->BlkIo.Media->BlockSize;\r | |
3561 | Request->TimesRetry = 0;\r | |
3562 | \r | |
3563 | goto Retry;\r | |
3564 | } else {\r | |
3565 | Token->TransactionStatus = EFI_DEVICE_ERROR;\r | |
3566 | goto Exit;\r | |
3567 | }\r | |
3568 | }\r | |
3569 | \r | |
3570 | //\r | |
3571 | // This sub-task succeeds, no need to retry.\r | |
3572 | //\r | |
3573 | goto Exit;\r | |
3574 | \r | |
3575 | Retry:\r | |
3576 | if (Request->InBuffer != NULL) {\r | |
3577 | //\r | |
3578 | // SCSI read command\r | |
3579 | //\r | |
3580 | if (!ScsiDiskDevice->Cdb16Byte) {\r | |
3581 | Status = ScsiDiskAsyncRead10 (\r | |
3582 | ScsiDiskDevice,\r | |
3583 | Request->Timeout,\r | |
3584 | Request->TimesRetry,\r | |
3585 | Request->InBuffer,\r | |
3586 | Request->DataLength,\r | |
3587 | (UINT32) Request->StartLba,\r | |
3588 | Request->SectorCount,\r | |
3589 | Request->BlkIo2Req,\r | |
3590 | Token\r | |
3591 | );\r | |
3592 | } else {\r | |
3593 | Status = ScsiDiskAsyncRead16 (\r | |
3594 | ScsiDiskDevice,\r | |
3595 | Request->Timeout,\r | |
3596 | Request->TimesRetry,\r | |
3597 | Request->InBuffer,\r | |
3598 | Request->DataLength,\r | |
3599 | Request->StartLba,\r | |
3600 | Request->SectorCount,\r | |
3601 | Request->BlkIo2Req,\r | |
3602 | Token\r | |
3603 | );\r | |
3604 | }\r | |
3605 | \r | |
3606 | if (EFI_ERROR (Status)) {\r | |
3607 | Token->TransactionStatus = EFI_DEVICE_ERROR;\r | |
3608 | goto Exit;\r | |
3609 | } else if (OldSectorCount != Request->SectorCount) {\r | |
3610 | //\r | |
3611 | // Original sub-task will be split into two new sub-tasks with smaller\r | |
3612 | // DataLength\r | |
3613 | //\r | |
3614 | if (!ScsiDiskDevice->Cdb16Byte) {\r | |
3615 | Status = ScsiDiskAsyncRead10 (\r | |
3616 | ScsiDiskDevice,\r | |
3617 | Request->Timeout,\r | |
3618 | 0,\r | |
3619 | Request->InBuffer + Request->SectorCount * ScsiDiskDevice->BlkIo.Media->BlockSize,\r | |
3620 | OldDataLength - Request->DataLength,\r | |
3621 | (UINT32) Request->StartLba + Request->SectorCount,\r | |
3622 | OldSectorCount - Request->SectorCount,\r | |
3623 | Request->BlkIo2Req,\r | |
3624 | Token\r | |
3625 | );\r | |
3626 | } else {\r | |
3627 | Status = ScsiDiskAsyncRead16 (\r | |
3628 | ScsiDiskDevice,\r | |
3629 | Request->Timeout,\r | |
3630 | 0,\r | |
3631 | Request->InBuffer + Request->SectorCount * ScsiDiskDevice->BlkIo.Media->BlockSize,\r | |
3632 | OldDataLength - Request->DataLength,\r | |
3633 | Request->StartLba + Request->SectorCount,\r | |
3634 | OldSectorCount - Request->SectorCount,\r | |
3635 | Request->BlkIo2Req,\r | |
3636 | Token\r | |
3637 | );\r | |
3638 | }\r | |
3639 | if (EFI_ERROR (Status)) {\r | |
3640 | Token->TransactionStatus = EFI_DEVICE_ERROR;\r | |
3641 | goto Exit;\r | |
3642 | }\r | |
3643 | }\r | |
3644 | } else {\r | |
3645 | //\r | |
3646 | // SCSI write command\r | |
3647 | //\r | |
3648 | if (!ScsiDiskDevice->Cdb16Byte) {\r | |
3649 | Status = ScsiDiskAsyncWrite10 (\r | |
3650 | ScsiDiskDevice,\r | |
3651 | Request->Timeout,\r | |
3652 | Request->TimesRetry,\r | |
3653 | Request->OutBuffer,\r | |
3654 | Request->DataLength,\r | |
3655 | (UINT32) Request->StartLba,\r | |
3656 | Request->SectorCount,\r | |
3657 | Request->BlkIo2Req,\r | |
3658 | Token\r | |
3659 | );\r | |
3660 | } else {\r | |
3661 | Status = ScsiDiskAsyncWrite16 (\r | |
3662 | ScsiDiskDevice,\r | |
3663 | Request->Timeout,\r | |
3664 | Request->TimesRetry,\r | |
3665 | Request->OutBuffer,\r | |
3666 | Request->DataLength,\r | |
3667 | Request->StartLba,\r | |
3668 | Request->SectorCount,\r | |
3669 | Request->BlkIo2Req,\r | |
3670 | Token\r | |
3671 | );\r | |
3672 | }\r | |
3673 | \r | |
3674 | if (EFI_ERROR (Status)) {\r | |
3675 | Token->TransactionStatus = EFI_DEVICE_ERROR;\r | |
3676 | goto Exit;\r | |
3677 | } else if (OldSectorCount != Request->SectorCount) {\r | |
3678 | //\r | |
3679 | // Original sub-task will be split into two new sub-tasks with smaller\r | |
3680 | // DataLength\r | |
3681 | //\r | |
3682 | if (!ScsiDiskDevice->Cdb16Byte) {\r | |
3683 | Status = ScsiDiskAsyncWrite10 (\r | |
3684 | ScsiDiskDevice,\r | |
3685 | Request->Timeout,\r | |
3686 | 0,\r | |
3687 | Request->OutBuffer + Request->SectorCount * ScsiDiskDevice->BlkIo.Media->BlockSize,\r | |
3688 | OldDataLength - Request->DataLength,\r | |
3689 | (UINT32) Request->StartLba + Request->SectorCount,\r | |
3690 | OldSectorCount - Request->SectorCount,\r | |
3691 | Request->BlkIo2Req,\r | |
3692 | Token\r | |
3693 | );\r | |
3694 | } else {\r | |
3695 | Status = ScsiDiskAsyncWrite16 (\r | |
3696 | ScsiDiskDevice,\r | |
3697 | Request->Timeout,\r | |
3698 | 0,\r | |
3699 | Request->OutBuffer + Request->SectorCount * ScsiDiskDevice->BlkIo.Media->BlockSize,\r | |
3700 | OldDataLength - Request->DataLength,\r | |
3701 | Request->StartLba + Request->SectorCount,\r | |
3702 | OldSectorCount - Request->SectorCount,\r | |
3703 | Request->BlkIo2Req,\r | |
3704 | Token\r | |
3705 | );\r | |
3706 | }\r | |
3707 | if (EFI_ERROR (Status)) {\r | |
3708 | Token->TransactionStatus = EFI_DEVICE_ERROR;\r | |
3709 | goto Exit;\r | |
3710 | }\r | |
3711 | }\r | |
3712 | }\r | |
3713 | \r | |
3714 | Exit:\r | |
3715 | RemoveEntryList (&Request->Link);\r | |
3716 | if (IsListEmpty (&Request->BlkIo2Req->ScsiRWQueue)) {\r | |
3717 | //\r | |
3718 | // The last SCSI R/W command of a BlockIo2 request completes\r | |
3719 | //\r | |
3720 | RemoveEntryList (&Request->BlkIo2Req->Link);\r | |
3721 | FreePool (Request->BlkIo2Req); // Should be freed only once\r | |
3722 | gBS->SignalEvent (Token->Event);\r | |
3723 | }\r | |
3724 | \r | |
3725 | FreePool (Request->SenseData);\r | |
3726 | FreePool (Request);\r | |
3727 | }\r | |
3728 | \r | |
3729 | \r | |
3730 | /**\r | |
3731 | Submit Async Read(10) command.\r | |
3732 | \r | |
3733 | @param ScsiDiskDevice The pointer of ScsiDiskDevice.\r | |
3734 | @param Timeout The time to complete the command.\r | |
3735 | @param TimesRetry The number of times the command has been retried.\r | |
3736 | @param DataBuffer The buffer to fill with the read out data.\r | |
3737 | @param DataLength The length of buffer.\r | |
3738 | @param StartLba The start logic block address.\r | |
3739 | @param SectorCount The number of blocks to read.\r | |
3740 | @param BlkIo2Req The upstream BlockIo2 request.\r | |
3741 | @param Token The pointer to the token associated with the\r | |
3742 | non-blocking read request.\r | |
3743 | \r | |
3744 | @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a\r | |
3745 | lack of resources.\r | |
3746 | @return others Status returned by calling\r | |
3747 | ScsiRead10CommandEx().\r | |
3748 | \r | |
3749 | **/\r | |
3750 | EFI_STATUS\r | |
3751 | ScsiDiskAsyncRead10 (\r | |
3752 | IN SCSI_DISK_DEV *ScsiDiskDevice,\r | |
3753 | IN UINT64 Timeout,\r | |
3754 | IN UINT8 TimesRetry,\r | |
3755 | OUT UINT8 *DataBuffer,\r | |
3756 | IN UINT32 DataLength,\r | |
3757 | IN UINT32 StartLba,\r | |
3758 | IN UINT32 SectorCount,\r | |
3759 | IN OUT SCSI_BLKIO2_REQUEST *BlkIo2Req,\r | |
3760 | IN EFI_BLOCK_IO2_TOKEN *Token\r | |
3761 | )\r | |
3762 | {\r | |
3763 | EFI_STATUS Status;\r | |
3764 | SCSI_ASYNC_RW_REQUEST *Request;\r | |
3765 | EFI_EVENT AsyncIoEvent;\r | |
3766 | \r | |
3767 | AsyncIoEvent = NULL;\r | |
3768 | \r | |
3769 | Request = AllocateZeroPool (sizeof (SCSI_ASYNC_RW_REQUEST));\r | |
3770 | if (Request == NULL) {\r | |
3771 | return EFI_OUT_OF_RESOURCES;\r | |
3772 | }\r | |
3773 | InsertTailList (&BlkIo2Req->ScsiRWQueue, &Request->Link);\r | |
3774 | \r | |
3775 | Request->SenseDataLength = (UINT8) (6 * sizeof (EFI_SCSI_SENSE_DATA));\r | |
3776 | Request->SenseData = AllocateZeroPool (Request->SenseDataLength);\r | |
3777 | if (Request->SenseData == NULL) {\r | |
3778 | Status = EFI_OUT_OF_RESOURCES;\r | |
3779 | goto ErrorExit;\r | |
3780 | }\r | |
3781 | \r | |
3782 | Request->ScsiDiskDevice = ScsiDiskDevice;\r | |
3783 | Request->Timeout = Timeout;\r | |
3784 | Request->TimesRetry = TimesRetry;\r | |
3785 | Request->InBuffer = DataBuffer;\r | |
3786 | Request->DataLength = DataLength;\r | |
3787 | Request->StartLba = StartLba;\r | |
3788 | Request->SectorCount = SectorCount;\r | |
3789 | Request->BlkIo2Req = BlkIo2Req;\r | |
3790 | \r | |
3791 | //\r | |
3792 | // Create Event\r | |
3793 | //\r | |
3794 | Status = gBS->CreateEvent (\r | |
3795 | EVT_NOTIFY_SIGNAL,\r | |
3796 | TPL_CALLBACK,\r | |
3797 | ScsiDiskNotify,\r | |
3798 | Request,\r | |
3799 | &AsyncIoEvent\r | |
3800 | );\r | |
3801 | if (EFI_ERROR(Status)) {\r | |
3802 | goto ErrorExit;\r | |
3803 | }\r | |
3804 | \r | |
3805 | Status = ScsiRead10CommandEx (\r | |
3806 | ScsiDiskDevice->ScsiIo,\r | |
3807 | Request->Timeout,\r | |
3808 | Request->SenseData,\r | |
3809 | &Request->SenseDataLength,\r | |
3810 | &Request->HostAdapterStatus,\r | |
3811 | &Request->TargetStatus,\r | |
3812 | Request->InBuffer,\r | |
3813 | &Request->DataLength,\r | |
3814 | (UINT32) Request->StartLba,\r | |
3815 | Request->SectorCount,\r | |
3816 | AsyncIoEvent\r | |
3817 | );\r | |
3818 | if (EFI_ERROR(Status)) {\r | |
3819 | goto ErrorExit;\r | |
3820 | }\r | |
3821 | \r | |
3822 | return EFI_SUCCESS;\r | |
3823 | \r | |
3824 | ErrorExit:\r | |
3825 | if (AsyncIoEvent != NULL) {\r | |
3826 | gBS->CloseEvent (AsyncIoEvent);\r | |
3827 | }\r | |
3828 | \r | |
3829 | if (Request != NULL) {\r | |
3830 | if (Request->SenseData != NULL) {\r | |
3831 | FreePool (Request->SenseData);\r | |
3832 | }\r | |
3833 | \r | |
3834 | RemoveEntryList (&Request->Link);\r | |
3835 | FreePool (Request);\r | |
3836 | }\r | |
3837 | \r | |
3838 | return Status;\r | |
3839 | }\r | |
3840 | \r | |
3841 | \r | |
3842 | /**\r | |
3843 | Submit Async Write(10) command.\r | |
3844 | \r | |
3845 | @param ScsiDiskDevice The pointer of ScsiDiskDevice.\r | |
3846 | @param Timeout The time to complete the command.\r | |
3847 | @param TimesRetry The number of times the command has been retried.\r | |
3848 | @param DataBuffer The buffer contains the data to write.\r | |
3849 | @param DataLength The length of buffer.\r | |
3850 | @param StartLba The start logic block address.\r | |
3851 | @param SectorCount The number of blocks to write.\r | |
3852 | @param BlkIo2Req The upstream BlockIo2 request.\r | |
3853 | @param Token The pointer to the token associated with the\r | |
3854 | non-blocking read request.\r | |
3855 | \r | |
3856 | @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a\r | |
3857 | lack of resources.\r | |
3858 | @return others Status returned by calling\r | |
3859 | ScsiWrite10CommandEx().\r | |
3860 | \r | |
3861 | **/\r | |
3862 | EFI_STATUS\r | |
3863 | ScsiDiskAsyncWrite10 (\r | |
3864 | IN SCSI_DISK_DEV *ScsiDiskDevice,\r | |
3865 | IN UINT64 Timeout,\r | |
3866 | IN UINT8 TimesRetry,\r | |
3867 | IN UINT8 *DataBuffer,\r | |
3868 | IN UINT32 DataLength,\r | |
3869 | IN UINT32 StartLba,\r | |
3870 | IN UINT32 SectorCount,\r | |
3871 | IN OUT SCSI_BLKIO2_REQUEST *BlkIo2Req,\r | |
3872 | IN EFI_BLOCK_IO2_TOKEN *Token\r | |
3873 | )\r | |
3874 | {\r | |
3875 | EFI_STATUS Status;\r | |
3876 | SCSI_ASYNC_RW_REQUEST *Request;\r | |
3877 | EFI_EVENT AsyncIoEvent;\r | |
3878 | \r | |
3879 | AsyncIoEvent = NULL;\r | |
3880 | \r | |
3881 | Request = AllocateZeroPool (sizeof (SCSI_ASYNC_RW_REQUEST));\r | |
3882 | if (Request == NULL) {\r | |
3883 | return EFI_OUT_OF_RESOURCES;\r | |
3884 | }\r | |
3885 | InsertTailList (&BlkIo2Req->ScsiRWQueue, &Request->Link);\r | |
3886 | \r | |
3887 | Request->SenseDataLength = (UINT8) (6 * sizeof (EFI_SCSI_SENSE_DATA));\r | |
3888 | Request->SenseData = AllocateZeroPool (Request->SenseDataLength);\r | |
3889 | if (Request->SenseData == NULL) {\r | |
3890 | Status = EFI_OUT_OF_RESOURCES;\r | |
3891 | goto ErrorExit;\r | |
3892 | }\r | |
3893 | \r | |
3894 | Request->ScsiDiskDevice = ScsiDiskDevice;\r | |
3895 | Request->Timeout = Timeout;\r | |
3896 | Request->TimesRetry = TimesRetry;\r | |
3897 | Request->OutBuffer = DataBuffer;\r | |
3898 | Request->DataLength = DataLength;\r | |
3899 | Request->StartLba = StartLba;\r | |
3900 | Request->SectorCount = SectorCount;\r | |
3901 | Request->BlkIo2Req = BlkIo2Req;\r | |
3902 | \r | |
3903 | //\r | |
3904 | // Create Event\r | |
3905 | //\r | |
3906 | Status = gBS->CreateEvent (\r | |
3907 | EVT_NOTIFY_SIGNAL,\r | |
3908 | TPL_CALLBACK,\r | |
3909 | ScsiDiskNotify,\r | |
3910 | Request,\r | |
3911 | &AsyncIoEvent\r | |
3912 | );\r | |
3913 | if (EFI_ERROR(Status)) {\r | |
3914 | goto ErrorExit;\r | |
3915 | }\r | |
3916 | \r | |
3917 | Status = ScsiWrite10CommandEx (\r | |
3918 | ScsiDiskDevice->ScsiIo,\r | |
3919 | Request->Timeout,\r | |
3920 | Request->SenseData,\r | |
3921 | &Request->SenseDataLength,\r | |
3922 | &Request->HostAdapterStatus,\r | |
3923 | &Request->TargetStatus,\r | |
3924 | Request->OutBuffer,\r | |
3925 | &Request->DataLength,\r | |
3926 | (UINT32) Request->StartLba,\r | |
3927 | Request->SectorCount,\r | |
3928 | AsyncIoEvent\r | |
3929 | );\r | |
3930 | if (EFI_ERROR(Status)) {\r | |
3931 | goto ErrorExit;\r | |
3932 | }\r | |
3933 | \r | |
3934 | return EFI_SUCCESS;\r | |
3935 | \r | |
3936 | ErrorExit:\r | |
3937 | if (AsyncIoEvent != NULL) {\r | |
3938 | gBS->CloseEvent (AsyncIoEvent);\r | |
3939 | }\r | |
3940 | \r | |
3941 | if (Request != NULL) {\r | |
3942 | if (Request->SenseData != NULL) {\r | |
3943 | FreePool (Request->SenseData);\r | |
3944 | }\r | |
3945 | \r | |
3946 | RemoveEntryList (&Request->Link);\r | |
3947 | FreePool (Request);\r | |
3948 | }\r | |
3949 | \r | |
3950 | return Status;\r | |
3951 | }\r | |
3952 | \r | |
3953 | \r | |
3954 | /**\r | |
3955 | Submit Async Read(16) command.\r | |
3956 | \r | |
3957 | @param ScsiDiskDevice The pointer of ScsiDiskDevice.\r | |
3958 | @param Timeout The time to complete the command.\r | |
3959 | @param TimesRetry The number of times the command has been retried.\r | |
3960 | @param DataBuffer The buffer to fill with the read out data.\r | |
3961 | @param DataLength The length of buffer.\r | |
3962 | @param StartLba The start logic block address.\r | |
3963 | @param SectorCount The number of blocks to read.\r | |
3964 | @param BlkIo2Req The upstream BlockIo2 request.\r | |
3965 | @param Token The pointer to the token associated with the\r | |
3966 | non-blocking read request.\r | |
3967 | \r | |
3968 | @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a\r | |
3969 | lack of resources.\r | |
3970 | @return others Status returned by calling\r | |
3971 | ScsiRead16CommandEx().\r | |
3972 | \r | |
3973 | **/\r | |
3974 | EFI_STATUS\r | |
3975 | ScsiDiskAsyncRead16 (\r | |
3976 | IN SCSI_DISK_DEV *ScsiDiskDevice,\r | |
3977 | IN UINT64 Timeout,\r | |
3978 | IN UINT8 TimesRetry,\r | |
3979 | OUT UINT8 *DataBuffer,\r | |
3980 | IN UINT32 DataLength,\r | |
3981 | IN UINT64 StartLba,\r | |
3982 | IN UINT32 SectorCount,\r | |
3983 | IN OUT SCSI_BLKIO2_REQUEST *BlkIo2Req,\r | |
3984 | IN EFI_BLOCK_IO2_TOKEN *Token\r | |
3985 | )\r | |
3986 | {\r | |
3987 | EFI_STATUS Status;\r | |
3988 | SCSI_ASYNC_RW_REQUEST *Request;\r | |
3989 | EFI_EVENT AsyncIoEvent;\r | |
3990 | \r | |
3991 | AsyncIoEvent = NULL;\r | |
3992 | \r | |
3993 | Request = AllocateZeroPool (sizeof (SCSI_ASYNC_RW_REQUEST));\r | |
3994 | if (Request == NULL) {\r | |
3995 | return EFI_OUT_OF_RESOURCES;\r | |
3996 | }\r | |
3997 | InsertTailList (&BlkIo2Req->ScsiRWQueue, &Request->Link);\r | |
3998 | \r | |
3999 | Request->SenseDataLength = (UINT8) (6 * sizeof (EFI_SCSI_SENSE_DATA));\r | |
4000 | Request->SenseData = AllocateZeroPool (Request->SenseDataLength);\r | |
4001 | if (Request->SenseData == NULL) {\r | |
4002 | Status = EFI_OUT_OF_RESOURCES;\r | |
4003 | goto ErrorExit;\r | |
4004 | }\r | |
4005 | \r | |
4006 | Request->ScsiDiskDevice = ScsiDiskDevice;\r | |
4007 | Request->Timeout = Timeout;\r | |
4008 | Request->TimesRetry = TimesRetry;\r | |
4009 | Request->InBuffer = DataBuffer;\r | |
4010 | Request->DataLength = DataLength;\r | |
4011 | Request->StartLba = StartLba;\r | |
4012 | Request->SectorCount = SectorCount;\r | |
4013 | Request->BlkIo2Req = BlkIo2Req;\r | |
4014 | \r | |
4015 | //\r | |
4016 | // Create Event\r | |
4017 | //\r | |
4018 | Status = gBS->CreateEvent (\r | |
4019 | EVT_NOTIFY_SIGNAL,\r | |
4020 | TPL_CALLBACK,\r | |
4021 | ScsiDiskNotify,\r | |
4022 | Request,\r | |
4023 | &AsyncIoEvent\r | |
4024 | );\r | |
4025 | if (EFI_ERROR(Status)) {\r | |
4026 | goto ErrorExit;\r | |
4027 | }\r | |
4028 | \r | |
4029 | Status = ScsiRead16CommandEx (\r | |
4030 | ScsiDiskDevice->ScsiIo,\r | |
4031 | Request->Timeout,\r | |
4032 | Request->SenseData,\r | |
4033 | &Request->SenseDataLength,\r | |
4034 | &Request->HostAdapterStatus,\r | |
4035 | &Request->TargetStatus,\r | |
4036 | Request->InBuffer,\r | |
4037 | &Request->DataLength,\r | |
4038 | Request->StartLba,\r | |
4039 | Request->SectorCount,\r | |
4040 | AsyncIoEvent\r | |
4041 | );\r | |
4042 | if (EFI_ERROR(Status)) {\r | |
4043 | goto ErrorExit;\r | |
4044 | }\r | |
4045 | \r | |
4046 | return EFI_SUCCESS;\r | |
4047 | \r | |
4048 | ErrorExit:\r | |
4049 | if (AsyncIoEvent != NULL) {\r | |
4050 | gBS->CloseEvent (AsyncIoEvent);\r | |
4051 | }\r | |
4052 | \r | |
4053 | if (Request != NULL) {\r | |
4054 | if (Request->SenseData != NULL) {\r | |
4055 | FreePool (Request->SenseData);\r | |
4056 | }\r | |
4057 | \r | |
4058 | RemoveEntryList (&Request->Link);\r | |
4059 | FreePool (Request);\r | |
4060 | }\r | |
4061 | \r | |
4062 | return Status;\r | |
4063 | }\r | |
4064 | \r | |
4065 | \r | |
4066 | /**\r | |
4067 | Submit Async Write(16) command.\r | |
4068 | \r | |
4069 | @param ScsiDiskDevice The pointer of ScsiDiskDevice.\r | |
4070 | @param Timeout The time to complete the command.\r | |
4071 | @param TimesRetry The number of times the command has been retried.\r | |
4072 | @param DataBuffer The buffer contains the data to write.\r | |
4073 | @param DataLength The length of buffer.\r | |
4074 | @param StartLba The start logic block address.\r | |
4075 | @param SectorCount The number of blocks to write.\r | |
4076 | @param BlkIo2Req The upstream BlockIo2 request.\r | |
4077 | @param Token The pointer to the token associated with the\r | |
4078 | non-blocking read request.\r | |
4079 | \r | |
4080 | @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a\r | |
4081 | lack of resources.\r | |
4082 | @return others Status returned by calling\r | |
4083 | ScsiWrite16CommandEx().\r | |
4084 | \r | |
4085 | **/\r | |
4086 | EFI_STATUS\r | |
4087 | ScsiDiskAsyncWrite16 (\r | |
4088 | IN SCSI_DISK_DEV *ScsiDiskDevice,\r | |
4089 | IN UINT64 Timeout,\r | |
4090 | IN UINT8 TimesRetry,\r | |
4091 | IN UINT8 *DataBuffer,\r | |
4092 | IN UINT32 DataLength,\r | |
4093 | IN UINT64 StartLba,\r | |
4094 | IN UINT32 SectorCount,\r | |
4095 | IN OUT SCSI_BLKIO2_REQUEST *BlkIo2Req,\r | |
4096 | IN EFI_BLOCK_IO2_TOKEN *Token\r | |
4097 | )\r | |
4098 | {\r | |
4099 | EFI_STATUS Status;\r | |
4100 | SCSI_ASYNC_RW_REQUEST *Request;\r | |
4101 | EFI_EVENT AsyncIoEvent;\r | |
4102 | \r | |
4103 | AsyncIoEvent = NULL;\r | |
4104 | \r | |
4105 | Request = AllocateZeroPool (sizeof (SCSI_ASYNC_RW_REQUEST));\r | |
4106 | if (Request == NULL) {\r | |
4107 | return EFI_OUT_OF_RESOURCES;\r | |
4108 | }\r | |
4109 | InsertTailList (&BlkIo2Req->ScsiRWQueue, &Request->Link);\r | |
4110 | \r | |
4111 | Request->SenseDataLength = (UINT8) (6 * sizeof (EFI_SCSI_SENSE_DATA));\r | |
4112 | Request->SenseData = AllocateZeroPool (Request->SenseDataLength);\r | |
4113 | if (Request->SenseData == NULL) {\r | |
4114 | Status = EFI_OUT_OF_RESOURCES;\r | |
4115 | goto ErrorExit;\r | |
4116 | }\r | |
4117 | \r | |
4118 | Request->ScsiDiskDevice = ScsiDiskDevice;\r | |
4119 | Request->Timeout = Timeout;\r | |
4120 | Request->TimesRetry = TimesRetry;\r | |
4121 | Request->OutBuffer = DataBuffer;\r | |
4122 | Request->DataLength = DataLength;\r | |
4123 | Request->StartLba = StartLba;\r | |
4124 | Request->SectorCount = SectorCount;\r | |
4125 | Request->BlkIo2Req = BlkIo2Req;\r | |
4126 | \r | |
4127 | //\r | |
4128 | // Create Event\r | |
4129 | //\r | |
4130 | Status = gBS->CreateEvent (\r | |
4131 | EVT_NOTIFY_SIGNAL,\r | |
4132 | TPL_CALLBACK,\r | |
4133 | ScsiDiskNotify,\r | |
4134 | Request,\r | |
4135 | &AsyncIoEvent\r | |
4136 | );\r | |
4137 | if (EFI_ERROR(Status)) {\r | |
4138 | goto ErrorExit;\r | |
4139 | }\r | |
4140 | \r | |
4141 | Status = ScsiWrite16CommandEx (\r | |
4142 | ScsiDiskDevice->ScsiIo,\r | |
4143 | Request->Timeout,\r | |
4144 | Request->SenseData,\r | |
4145 | &Request->SenseDataLength,\r | |
4146 | &Request->HostAdapterStatus,\r | |
4147 | &Request->TargetStatus,\r | |
4148 | Request->OutBuffer,\r | |
4149 | &Request->DataLength,\r | |
4150 | Request->StartLba,\r | |
4151 | Request->SectorCount,\r | |
4152 | AsyncIoEvent\r | |
4153 | );\r | |
4154 | if (EFI_ERROR(Status)) {\r | |
4155 | goto ErrorExit;\r | |
4156 | }\r | |
4157 | \r | |
4158 | return EFI_SUCCESS;\r | |
4159 | \r | |
4160 | ErrorExit:\r | |
4161 | if (AsyncIoEvent != NULL) {\r | |
4162 | gBS->CloseEvent (AsyncIoEvent);\r | |
4163 | }\r | |
4164 | \r | |
4165 | if (Request != NULL) {\r | |
4166 | if (Request->SenseData != NULL) {\r | |
4167 | FreePool (Request->SenseData);\r | |
4168 | }\r | |
4169 | \r | |
4170 | RemoveEntryList (&Request->Link);\r | |
4171 | FreePool (Request);\r | |
4172 | }\r | |
4173 | \r | |
4174 | return Status;\r | |
4175 | }\r | |
4176 | \r | |
4177 | \r | |
4178 | /**\r | |
4179 | Check sense key to find if media presents.\r | |
4180 | \r | |
4181 | @param SenseData The pointer of EFI_SCSI_SENSE_DATA\r | |
4182 | @param SenseCounts The number of sense key\r | |
4183 | \r | |
4184 | @retval TRUE NOT any media\r | |
4185 | @retval FALSE Media presents\r | |
4186 | **/\r | |
4187 | BOOLEAN\r | |
4188 | ScsiDiskIsNoMedia (\r | |
4189 | IN EFI_SCSI_SENSE_DATA *SenseData,\r | |
4190 | IN UINTN SenseCounts\r | |
4191 | )\r | |
4192 | {\r | |
4193 | EFI_SCSI_SENSE_DATA *SensePtr;\r | |
4194 | UINTN Index;\r | |
4195 | BOOLEAN IsNoMedia;\r | |
4196 | \r | |
4197 | IsNoMedia = FALSE;\r | |
4198 | SensePtr = SenseData;\r | |
4199 | \r | |
4200 | for (Index = 0; Index < SenseCounts; Index++) {\r | |
4201 | //\r | |
4202 | // Sense Key is EFI_SCSI_SK_NOT_READY (0x2),\r | |
4203 | // Additional Sense Code is ASC_NO_MEDIA (0x3A)\r | |
4204 | //\r | |
4205 | if ((SensePtr->Sense_Key == EFI_SCSI_SK_NOT_READY) &&\r | |
4206 | (SensePtr->Addnl_Sense_Code == EFI_SCSI_ASC_NO_MEDIA)) {\r | |
4207 | IsNoMedia = TRUE;\r | |
4208 | }\r | |
4209 | SensePtr++;\r | |
4210 | }\r | |
4211 | \r | |
4212 | return IsNoMedia;\r | |
4213 | }\r | |
4214 | \r | |
4215 | \r | |
4216 | /**\r | |
4217 | Parse sense key.\r | |
4218 | \r | |
4219 | @param SenseData The pointer of EFI_SCSI_SENSE_DATA\r | |
4220 | @param SenseCounts The number of sense key\r | |
4221 | \r | |
4222 | @retval TRUE Error\r | |
4223 | @retval FALSE NOT error\r | |
4224 | \r | |
4225 | **/\r | |
4226 | BOOLEAN\r | |
4227 | ScsiDiskIsMediaError (\r | |
4228 | IN EFI_SCSI_SENSE_DATA *SenseData,\r | |
4229 | IN UINTN SenseCounts\r | |
4230 | )\r | |
4231 | {\r | |
4232 | EFI_SCSI_SENSE_DATA *SensePtr;\r | |
4233 | UINTN Index;\r | |
4234 | BOOLEAN IsError;\r | |
4235 | \r | |
4236 | IsError = FALSE;\r | |
4237 | SensePtr = SenseData;\r | |
4238 | \r | |
4239 | for (Index = 0; Index < SenseCounts; Index++) {\r | |
4240 | \r | |
4241 | switch (SensePtr->Sense_Key) {\r | |
4242 | \r | |
4243 | case EFI_SCSI_SK_MEDIUM_ERROR:\r | |
4244 | //\r | |
4245 | // Sense Key is EFI_SCSI_SK_MEDIUM_ERROR (0x3)\r | |
4246 | //\r | |
4247 | switch (SensePtr->Addnl_Sense_Code) {\r | |
4248 | \r | |
4249 | //\r | |
4250 | // fall through\r | |
4251 | //\r | |
4252 | case EFI_SCSI_ASC_MEDIA_ERR1:\r | |
4253 | \r | |
4254 | //\r | |
4255 | // fall through\r | |
4256 | //\r | |
4257 | case EFI_SCSI_ASC_MEDIA_ERR2:\r | |
4258 | \r | |
4259 | //\r | |
4260 | // fall through\r | |
4261 | //\r | |
4262 | case EFI_SCSI_ASC_MEDIA_ERR3:\r | |
4263 | case EFI_SCSI_ASC_MEDIA_ERR4:\r | |
4264 | IsError = TRUE;\r | |
4265 | break;\r | |
4266 | \r | |
4267 | default:\r | |
4268 | break;\r | |
4269 | }\r | |
4270 | \r | |
4271 | break;\r | |
4272 | \r | |
4273 | case EFI_SCSI_SK_NOT_READY:\r | |
4274 | //\r | |
4275 | // Sense Key is EFI_SCSI_SK_NOT_READY (0x2)\r | |
4276 | //\r | |
4277 | switch (SensePtr->Addnl_Sense_Code) {\r | |
4278 | //\r | |
4279 | // Additional Sense Code is ASC_MEDIA_UPSIDE_DOWN (0x6)\r | |
4280 | //\r | |
4281 | case EFI_SCSI_ASC_MEDIA_UPSIDE_DOWN:\r | |
4282 | IsError = TRUE;\r | |
4283 | break;\r | |
4284 | \r | |
4285 | default:\r | |
4286 | break;\r | |
4287 | }\r | |
4288 | break;\r | |
4289 | \r | |
4290 | default:\r | |
4291 | break;\r | |
4292 | }\r | |
4293 | \r | |
4294 | SensePtr++;\r | |
4295 | }\r | |
4296 | \r | |
4297 | return IsError;\r | |
4298 | }\r | |
4299 | \r | |
4300 | \r | |
4301 | /**\r | |
4302 | Check sense key to find if hardware error happens.\r | |
4303 | \r | |
4304 | @param SenseData The pointer of EFI_SCSI_SENSE_DATA\r | |
4305 | @param SenseCounts The number of sense key\r | |
4306 | \r | |
4307 | @retval TRUE Hardware error exits.\r | |
4308 | @retval FALSE NO error.\r | |
4309 | \r | |
4310 | **/\r | |
4311 | BOOLEAN\r | |
4312 | ScsiDiskIsHardwareError (\r | |
4313 | IN EFI_SCSI_SENSE_DATA *SenseData,\r | |
4314 | IN UINTN SenseCounts\r | |
4315 | )\r | |
4316 | {\r | |
4317 | EFI_SCSI_SENSE_DATA *SensePtr;\r | |
4318 | UINTN Index;\r | |
4319 | BOOLEAN IsError;\r | |
4320 | \r | |
4321 | IsError = FALSE;\r | |
4322 | SensePtr = SenseData;\r | |
4323 | \r | |
4324 | for (Index = 0; Index < SenseCounts; Index++) {\r | |
4325 | \r | |
4326 | //\r | |
4327 | // Sense Key is EFI_SCSI_SK_HARDWARE_ERROR (0x4)\r | |
4328 | //\r | |
4329 | if (SensePtr->Sense_Key == EFI_SCSI_SK_HARDWARE_ERROR) {\r | |
4330 | IsError = TRUE;\r | |
4331 | }\r | |
4332 | \r | |
4333 | SensePtr++;\r | |
4334 | }\r | |
4335 | \r | |
4336 | return IsError;\r | |
4337 | }\r | |
4338 | \r | |
4339 | \r | |
4340 | /**\r | |
4341 | Check sense key to find if media has changed.\r | |
4342 | \r | |
4343 | @param SenseData The pointer of EFI_SCSI_SENSE_DATA\r | |
4344 | @param SenseCounts The number of sense key\r | |
4345 | \r | |
4346 | @retval TRUE Media is changed.\r | |
4347 | @retval FALSE Media is NOT changed.\r | |
4348 | **/\r | |
4349 | BOOLEAN\r | |
4350 | ScsiDiskIsMediaChange (\r | |
4351 | IN EFI_SCSI_SENSE_DATA *SenseData,\r | |
4352 | IN UINTN SenseCounts\r | |
4353 | )\r | |
4354 | {\r | |
4355 | EFI_SCSI_SENSE_DATA *SensePtr;\r | |
4356 | UINTN Index;\r | |
4357 | BOOLEAN IsMediaChanged;\r | |
4358 | \r | |
4359 | IsMediaChanged = FALSE;\r | |
4360 | SensePtr = SenseData;\r | |
4361 | \r | |
4362 | for (Index = 0; Index < SenseCounts; Index++) {\r | |
4363 | //\r | |
4364 | // Sense Key is EFI_SCSI_SK_UNIT_ATTENTION (0x6),\r | |
4365 | // Additional sense code is EFI_SCSI_ASC_MEDIA_CHANGE (0x28)\r | |
4366 | //\r | |
4367 | if ((SensePtr->Sense_Key == EFI_SCSI_SK_UNIT_ATTENTION) &&\r | |
4368 | (SensePtr->Addnl_Sense_Code == EFI_SCSI_ASC_MEDIA_CHANGE)) {\r | |
4369 | IsMediaChanged = TRUE;\r | |
4370 | }\r | |
4371 | \r | |
4372 | SensePtr++;\r | |
4373 | }\r | |
4374 | \r | |
4375 | return IsMediaChanged;\r | |
4376 | }\r | |
4377 | \r | |
4378 | /**\r | |
4379 | Check sense key to find if reset happens.\r | |
4380 | \r | |
4381 | @param SenseData The pointer of EFI_SCSI_SENSE_DATA\r | |
4382 | @param SenseCounts The number of sense key\r | |
4383 | \r | |
4384 | @retval TRUE It is reset before.\r | |
4385 | @retval FALSE It is NOT reset before.\r | |
4386 | \r | |
4387 | **/\r | |
4388 | BOOLEAN\r | |
4389 | ScsiDiskIsResetBefore (\r | |
4390 | IN EFI_SCSI_SENSE_DATA *SenseData,\r | |
4391 | IN UINTN SenseCounts\r | |
4392 | )\r | |
4393 | {\r | |
4394 | EFI_SCSI_SENSE_DATA *SensePtr;\r | |
4395 | UINTN Index;\r | |
4396 | BOOLEAN IsResetBefore;\r | |
4397 | \r | |
4398 | IsResetBefore = FALSE;\r | |
4399 | SensePtr = SenseData;\r | |
4400 | \r | |
4401 | for (Index = 0; Index < SenseCounts; Index++) {\r | |
4402 | \r | |
4403 | //\r | |
4404 | // Sense Key is EFI_SCSI_SK_UNIT_ATTENTION (0x6)\r | |
4405 | // Additional Sense Code is EFI_SCSI_ASC_RESET (0x29)\r | |
4406 | //\r | |
4407 | if ((SensePtr->Sense_Key == EFI_SCSI_SK_UNIT_ATTENTION) &&\r | |
4408 | (SensePtr->Addnl_Sense_Code == EFI_SCSI_ASC_RESET)) {\r | |
4409 | IsResetBefore = TRUE;\r | |
4410 | }\r | |
4411 | \r | |
4412 | SensePtr++;\r | |
4413 | }\r | |
4414 | \r | |
4415 | return IsResetBefore;\r | |
4416 | }\r | |
4417 | \r | |
4418 | /**\r | |
4419 | Check sense key to find if the drive is ready.\r | |
4420 | \r | |
4421 | @param SenseData The pointer of EFI_SCSI_SENSE_DATA\r | |
4422 | @param SenseCounts The number of sense key\r | |
4423 | @param RetryLater The flag means if need a retry \r | |
4424 | \r | |
4425 | @retval TRUE Drive is ready.\r | |
4426 | @retval FALSE Drive is NOT ready.\r | |
4427 | \r | |
4428 | **/\r | |
4429 | BOOLEAN\r | |
4430 | ScsiDiskIsDriveReady (\r | |
4431 | IN EFI_SCSI_SENSE_DATA *SenseData,\r | |
4432 | IN UINTN SenseCounts,\r | |
4433 | OUT BOOLEAN *RetryLater\r | |
4434 | )\r | |
4435 | {\r | |
4436 | EFI_SCSI_SENSE_DATA *SensePtr;\r | |
4437 | UINTN Index;\r | |
4438 | BOOLEAN IsReady;\r | |
4439 | \r | |
4440 | IsReady = TRUE;\r | |
4441 | *RetryLater = FALSE;\r | |
4442 | SensePtr = SenseData;\r | |
4443 | \r | |
4444 | for (Index = 0; Index < SenseCounts; Index++) {\r | |
4445 | \r | |
4446 | switch (SensePtr->Sense_Key) {\r | |
4447 | \r | |
4448 | case EFI_SCSI_SK_NOT_READY:\r | |
4449 | //\r | |
4450 | // Sense Key is EFI_SCSI_SK_NOT_READY (0x2)\r | |
4451 | //\r | |
4452 | switch (SensePtr->Addnl_Sense_Code) {\r | |
4453 | case EFI_SCSI_ASC_NOT_READY:\r | |
4454 | //\r | |
4455 | // Additional Sense Code is EFI_SCSI_ASC_NOT_READY (0x4)\r | |
4456 | //\r | |
4457 | switch (SensePtr->Addnl_Sense_Code_Qualifier) {\r | |
4458 | case EFI_SCSI_ASCQ_IN_PROGRESS:\r | |
4459 | //\r | |
4460 | // Additional Sense Code Qualifier is\r | |
4461 | // EFI_SCSI_ASCQ_IN_PROGRESS (0x1)\r | |
4462 | //\r | |
4463 | IsReady = FALSE;\r | |
4464 | *RetryLater = TRUE;\r | |
4465 | break;\r | |
4466 | \r | |
4467 | default:\r | |
4468 | IsReady = FALSE;\r | |
4469 | *RetryLater = FALSE;\r | |
4470 | break;\r | |
4471 | }\r | |
4472 | break;\r | |
4473 | \r | |
4474 | default:\r | |
4475 | break;\r | |
4476 | }\r | |
4477 | break;\r | |
4478 | \r | |
4479 | default:\r | |
4480 | break;\r | |
4481 | }\r | |
4482 | \r | |
4483 | SensePtr++;\r | |
4484 | }\r | |
4485 | \r | |
4486 | return IsReady;\r | |
4487 | }\r | |
4488 | \r | |
4489 | /**\r | |
4490 | Check sense key to find if it has sense key.\r | |
4491 | \r | |
4492 | @param SenseData - The pointer of EFI_SCSI_SENSE_DATA\r | |
4493 | @param SenseCounts - The number of sense key\r | |
4494 | \r | |
4495 | @retval TRUE It has sense key.\r | |
4496 | @retval FALSE It has NOT any sense key.\r | |
4497 | \r | |
4498 | **/\r | |
4499 | BOOLEAN\r | |
4500 | ScsiDiskHaveSenseKey (\r | |
4501 | IN EFI_SCSI_SENSE_DATA *SenseData,\r | |
4502 | IN UINTN SenseCounts\r | |
4503 | )\r | |
4504 | {\r | |
4505 | EFI_SCSI_SENSE_DATA *SensePtr;\r | |
4506 | UINTN Index;\r | |
4507 | BOOLEAN HaveSenseKey;\r | |
4508 | \r | |
4509 | if (SenseCounts == 0) {\r | |
4510 | HaveSenseKey = FALSE;\r | |
4511 | } else {\r | |
4512 | HaveSenseKey = TRUE;\r | |
4513 | }\r | |
4514 | \r | |
4515 | SensePtr = SenseData;\r | |
4516 | \r | |
4517 | for (Index = 0; Index < SenseCounts; Index++) {\r | |
4518 | \r | |
4519 | //\r | |
4520 | // Sense Key is SK_NO_SENSE (0x0)\r | |
4521 | //\r | |
4522 | if ((SensePtr->Sense_Key == EFI_SCSI_SK_NO_SENSE) &&\r | |
4523 | (Index == 0)) {\r | |
4524 | HaveSenseKey = FALSE;\r | |
4525 | }\r | |
4526 | \r | |
4527 | SensePtr++;\r | |
4528 | }\r | |
4529 | \r | |
4530 | return HaveSenseKey;\r | |
4531 | }\r | |
4532 | \r | |
4533 | /**\r | |
4534 | Release resource about disk device.\r | |
4535 | \r | |
4536 | @param ScsiDiskDevice The pointer of SCSI_DISK_DEV\r | |
4537 | \r | |
4538 | **/\r | |
4539 | VOID\r | |
4540 | ReleaseScsiDiskDeviceResources (\r | |
4541 | IN SCSI_DISK_DEV *ScsiDiskDevice\r | |
4542 | )\r | |
4543 | {\r | |
4544 | if (ScsiDiskDevice == NULL) {\r | |
4545 | return ;\r | |
4546 | }\r | |
4547 | \r | |
4548 | if (ScsiDiskDevice->SenseData != NULL) {\r | |
4549 | FreePool (ScsiDiskDevice->SenseData);\r | |
4550 | ScsiDiskDevice->SenseData = NULL;\r | |
4551 | }\r | |
4552 | \r | |
4553 | if (ScsiDiskDevice->ControllerNameTable != NULL) {\r | |
4554 | FreeUnicodeStringTable (ScsiDiskDevice->ControllerNameTable);\r | |
4555 | ScsiDiskDevice->ControllerNameTable = NULL;\r | |
4556 | }\r | |
4557 | \r | |
4558 | FreePool (ScsiDiskDevice);\r | |
4559 | \r | |
4560 | ScsiDiskDevice = NULL;\r | |
4561 | }\r | |
4562 | \r | |
4563 | /**\r | |
4564 | Determine if Block Io & Block Io2 should be produced.\r | |
4565 | \r | |
4566 | \r | |
4567 | @param ChildHandle Child Handle to retrieve Parent information.\r | |
4568 | \r | |
4569 | @retval TRUE Should produce Block Io & Block Io2.\r | |
4570 | @retval FALSE Should not produce Block Io & Block Io2.\r | |
4571 | \r | |
4572 | **/ \r | |
4573 | BOOLEAN\r | |
4574 | DetermineInstallBlockIo (\r | |
4575 | IN EFI_HANDLE ChildHandle\r | |
4576 | ) \r | |
4577 | {\r | |
4578 | EFI_SCSI_PASS_THRU_PROTOCOL *ScsiPassThru;\r | |
4579 | EFI_EXT_SCSI_PASS_THRU_PROTOCOL *ExtScsiPassThru;\r | |
4580 | \r | |
4581 | //\r | |
4582 | // Firstly, check if ExtScsiPassThru Protocol parent handle exists. If existence,\r | |
4583 | // check its attribute, logic or physical.\r | |
4584 | //\r | |
4585 | ExtScsiPassThru = (EFI_EXT_SCSI_PASS_THRU_PROTOCOL *)GetParentProtocol (&gEfiExtScsiPassThruProtocolGuid, ChildHandle);\r | |
4586 | if (ExtScsiPassThru != NULL) {\r | |
4587 | if ((ExtScsiPassThru->Mode->Attributes & EFI_SCSI_PASS_THRU_ATTRIBUTES_LOGICAL) != 0) {\r | |
4588 | return TRUE;\r | |
4589 | }\r | |
4590 | }\r | |
4591 | \r | |
4592 | //\r | |
4593 | // Secondly, check if ScsiPassThru Protocol parent handle exists. If existence,\r | |
4594 | // check its attribute, logic or physical.\r | |
4595 | //\r | |
4596 | ScsiPassThru = (EFI_SCSI_PASS_THRU_PROTOCOL *)GetParentProtocol (&gEfiScsiPassThruProtocolGuid, ChildHandle);\r | |
4597 | if (ScsiPassThru != NULL) {\r | |
4598 | if ((ScsiPassThru->Mode->Attributes & EFI_SCSI_PASS_THRU_ATTRIBUTES_LOGICAL) != 0) {\r | |
4599 | return TRUE;\r | |
4600 | }\r | |
4601 | }\r | |
4602 | \r | |
4603 | return FALSE;\r | |
4604 | }\r | |
4605 | \r | |
4606 | /**\r | |
4607 | Search protocol database and check to see if the protocol\r | |
4608 | specified by ProtocolGuid is present on a ControllerHandle and opened by\r | |
4609 | ChildHandle with an attribute of EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER.\r | |
4610 | If the ControllerHandle is found, then the protocol specified by ProtocolGuid\r | |
4611 | will be opened on it. \r | |
4612 | \r | |
4613 | \r | |
4614 | @param ProtocolGuid ProtocolGuid pointer.\r | |
4615 | @param ChildHandle Child Handle to retrieve Parent information.\r | |
4616 | \r | |
4617 | **/ \r | |
4618 | VOID *\r | |
4619 | EFIAPI\r | |
4620 | GetParentProtocol (\r | |
4621 | IN EFI_GUID *ProtocolGuid,\r | |
4622 | IN EFI_HANDLE ChildHandle\r | |
4623 | ) \r | |
4624 | {\r | |
4625 | UINTN Index;\r | |
4626 | UINTN HandleCount;\r | |
4627 | VOID *Interface; \r | |
4628 | EFI_STATUS Status;\r | |
4629 | EFI_HANDLE *HandleBuffer;\r | |
4630 | \r | |
4631 | //\r | |
4632 | // Retrieve the list of all handles from the handle database\r | |
4633 | //\r | |
4634 | Status = gBS->LocateHandleBuffer (\r | |
4635 | ByProtocol,\r | |
4636 | ProtocolGuid,\r | |
4637 | NULL,\r | |
4638 | &HandleCount,\r | |
4639 | &HandleBuffer\r | |
4640 | );\r | |
4641 | \r | |
4642 | if (EFI_ERROR (Status)) {\r | |
4643 | return NULL;\r | |
4644 | }\r | |
4645 | \r | |
4646 | //\r | |
4647 | // Iterate to find who is parent handle that is opened with ProtocolGuid by ChildHandle \r | |
4648 | //\r | |
4649 | for (Index = 0; Index < HandleCount; Index++) {\r | |
4650 | Status = EfiTestChildHandle (HandleBuffer[Index], ChildHandle, ProtocolGuid);\r | |
4651 | if (!EFI_ERROR (Status)) {\r | |
4652 | Status = gBS->HandleProtocol (HandleBuffer[Index], ProtocolGuid, (VOID **)&Interface);\r | |
4653 | if (!EFI_ERROR (Status)) {\r | |
4654 | gBS->FreePool (HandleBuffer);\r | |
4655 | return Interface;\r | |
4656 | }\r | |
4657 | }\r | |
4658 | }\r | |
4659 | \r | |
4660 | gBS->FreePool (HandleBuffer);\r | |
4661 | return NULL;\r | |
4662 | } \r | |
4663 | \r | |
4664 | /**\r | |
4665 | Provides inquiry information for the controller type.\r | |
4666 | \r | |
4667 | This function is used by the IDE bus driver to get inquiry data. Data format\r | |
4668 | of Identify data is defined by the Interface GUID.\r | |
4669 | \r | |
4670 | @param[in] This Pointer to the EFI_DISK_INFO_PROTOCOL instance.\r | |
4671 | @param[in, out] InquiryData Pointer to a buffer for the inquiry data.\r | |
4672 | @param[in, out] InquiryDataSize Pointer to the value for the inquiry data size.\r | |
4673 | \r | |
4674 | @retval EFI_SUCCESS The command was accepted without any errors.\r | |
4675 | @retval EFI_NOT_FOUND Device does not support this data class \r | |
4676 | @retval EFI_DEVICE_ERROR Error reading InquiryData from device \r | |
4677 | @retval EFI_BUFFER_TOO_SMALL InquiryDataSize not big enough \r | |
4678 | \r | |
4679 | **/\r | |
4680 | EFI_STATUS\r | |
4681 | EFIAPI\r | |
4682 | ScsiDiskInfoInquiry (\r | |
4683 | IN EFI_DISK_INFO_PROTOCOL *This,\r | |
4684 | IN OUT VOID *InquiryData,\r | |
4685 | IN OUT UINT32 *InquiryDataSize\r | |
4686 | )\r | |
4687 | {\r | |
4688 | EFI_STATUS Status;\r | |
4689 | SCSI_DISK_DEV *ScsiDiskDevice;\r | |
4690 | \r | |
4691 | ScsiDiskDevice = SCSI_DISK_DEV_FROM_DISKINFO (This);\r | |
4692 | \r | |
4693 | Status = EFI_BUFFER_TOO_SMALL;\r | |
4694 | if (*InquiryDataSize >= sizeof (ScsiDiskDevice->InquiryData)) {\r | |
4695 | Status = EFI_SUCCESS;\r | |
4696 | CopyMem (InquiryData, &ScsiDiskDevice->InquiryData, sizeof (ScsiDiskDevice->InquiryData));\r | |
4697 | }\r | |
4698 | *InquiryDataSize = sizeof (ScsiDiskDevice->InquiryData);\r | |
4699 | return Status;\r | |
4700 | }\r | |
4701 | \r | |
4702 | \r | |
4703 | /**\r | |
4704 | Provides identify information for the controller type.\r | |
4705 | \r | |
4706 | This function is used by the IDE bus driver to get identify data. Data format\r | |
4707 | of Identify data is defined by the Interface GUID.\r | |
4708 | \r | |
4709 | @param[in] This Pointer to the EFI_DISK_INFO_PROTOCOL \r | |
4710 | instance.\r | |
4711 | @param[in, out] IdentifyData Pointer to a buffer for the identify data.\r | |
4712 | @param[in, out] IdentifyDataSize Pointer to the value for the identify data\r | |
4713 | size.\r | |
4714 | \r | |
4715 | @retval EFI_SUCCESS The command was accepted without any errors.\r | |
4716 | @retval EFI_NOT_FOUND Device does not support this data class \r | |
4717 | @retval EFI_DEVICE_ERROR Error reading IdentifyData from device \r | |
4718 | @retval EFI_BUFFER_TOO_SMALL IdentifyDataSize not big enough \r | |
4719 | \r | |
4720 | **/\r | |
4721 | EFI_STATUS\r | |
4722 | EFIAPI\r | |
4723 | ScsiDiskInfoIdentify (\r | |
4724 | IN EFI_DISK_INFO_PROTOCOL *This,\r | |
4725 | IN OUT VOID *IdentifyData,\r | |
4726 | IN OUT UINT32 *IdentifyDataSize\r | |
4727 | )\r | |
4728 | {\r | |
4729 | EFI_STATUS Status;\r | |
4730 | SCSI_DISK_DEV *ScsiDiskDevice;\r | |
4731 | \r | |
4732 | if (CompareGuid (&This->Interface, &gEfiDiskInfoScsiInterfaceGuid) || CompareGuid (&This->Interface, &gEfiDiskInfoUfsInterfaceGuid)) {\r | |
4733 | //\r | |
4734 | // Physical SCSI bus does not support this data class. \r | |
4735 | //\r | |
4736 | return EFI_NOT_FOUND;\r | |
4737 | }\r | |
4738 | \r | |
4739 | ScsiDiskDevice = SCSI_DISK_DEV_FROM_DISKINFO (This);\r | |
4740 | \r | |
4741 | Status = EFI_BUFFER_TOO_SMALL;\r | |
4742 | if (*IdentifyDataSize >= sizeof (ScsiDiskDevice->IdentifyData)) {\r | |
4743 | Status = EFI_SUCCESS;\r | |
4744 | CopyMem (IdentifyData, &ScsiDiskDevice->IdentifyData, sizeof (ScsiDiskDevice->IdentifyData));\r | |
4745 | }\r | |
4746 | *IdentifyDataSize = sizeof (ScsiDiskDevice->IdentifyData);\r | |
4747 | return Status;\r | |
4748 | }\r | |
4749 | \r | |
4750 | /**\r | |
4751 | Provides sense data information for the controller type.\r | |
4752 | \r | |
4753 | This function is used by the IDE bus driver to get sense data. \r | |
4754 | Data format of Sense data is defined by the Interface GUID.\r | |
4755 | \r | |
4756 | @param[in] This Pointer to the EFI_DISK_INFO_PROTOCOL instance.\r | |
4757 | @param[in, out] SenseData Pointer to the SenseData.\r | |
4758 | @param[in, out] SenseDataSize Size of SenseData in bytes.\r | |
4759 | @param[out] SenseDataNumber Pointer to the value for the sense data size.\r | |
4760 | \r | |
4761 | @retval EFI_SUCCESS The command was accepted without any errors.\r | |
4762 | @retval EFI_NOT_FOUND Device does not support this data class.\r | |
4763 | @retval EFI_DEVICE_ERROR Error reading SenseData from device.\r | |
4764 | @retval EFI_BUFFER_TOO_SMALL SenseDataSize not big enough.\r | |
4765 | \r | |
4766 | **/\r | |
4767 | EFI_STATUS\r | |
4768 | EFIAPI\r | |
4769 | ScsiDiskInfoSenseData (\r | |
4770 | IN EFI_DISK_INFO_PROTOCOL *This,\r | |
4771 | IN OUT VOID *SenseData,\r | |
4772 | IN OUT UINT32 *SenseDataSize,\r | |
4773 | OUT UINT8 *SenseDataNumber\r | |
4774 | )\r | |
4775 | {\r | |
4776 | return EFI_NOT_FOUND;\r | |
4777 | }\r | |
4778 | \r | |
4779 | \r | |
4780 | /**\r | |
4781 | This function is used by the IDE bus driver to get controller information.\r | |
4782 | \r | |
4783 | @param[in] This Pointer to the EFI_DISK_INFO_PROTOCOL instance. \r | |
4784 | @param[out] IdeChannel Pointer to the Ide Channel number. Primary or secondary.\r | |
4785 | @param[out] IdeDevice Pointer to the Ide Device number. Master or slave.\r | |
4786 | \r | |
4787 | @retval EFI_SUCCESS IdeChannel and IdeDevice are valid.\r | |
4788 | @retval EFI_UNSUPPORTED This is not an IDE device.\r | |
4789 | \r | |
4790 | **/\r | |
4791 | EFI_STATUS\r | |
4792 | EFIAPI\r | |
4793 | ScsiDiskInfoWhichIde (\r | |
4794 | IN EFI_DISK_INFO_PROTOCOL *This,\r | |
4795 | OUT UINT32 *IdeChannel,\r | |
4796 | OUT UINT32 *IdeDevice\r | |
4797 | )\r | |
4798 | {\r | |
4799 | SCSI_DISK_DEV *ScsiDiskDevice;\r | |
4800 | \r | |
4801 | if (CompareGuid (&This->Interface, &gEfiDiskInfoScsiInterfaceGuid) || CompareGuid (&This->Interface, &gEfiDiskInfoUfsInterfaceGuid)) {\r | |
4802 | //\r | |
4803 | // This is not an IDE physical device.\r | |
4804 | //\r | |
4805 | return EFI_UNSUPPORTED;\r | |
4806 | }\r | |
4807 | \r | |
4808 | ScsiDiskDevice = SCSI_DISK_DEV_FROM_DISKINFO (This);\r | |
4809 | *IdeChannel = ScsiDiskDevice->Channel;\r | |
4810 | *IdeDevice = ScsiDiskDevice->Device;\r | |
4811 | \r | |
4812 | return EFI_SUCCESS;\r | |
4813 | }\r | |
4814 | \r | |
4815 | \r | |
4816 | /**\r | |
4817 | Issues ATA IDENTIFY DEVICE command to identify ATAPI device.\r | |
4818 | \r | |
4819 | This function tries to fill 512-byte ATAPI_IDENTIFY_DATA for ATAPI device to\r | |
4820 | implement Identify() interface for DiskInfo protocol. The ATA command is sent\r | |
4821 | via SCSI Request Packet.\r | |
4822 | \r | |
4823 | @param ScsiDiskDevice The pointer of SCSI_DISK_DEV\r | |
4824 | \r | |
4825 | @retval EFI_SUCCESS The ATAPI device identify data were retrieved successfully.\r | |
4826 | @retval others Some error occurred during the identification that ATAPI device.\r | |
4827 | \r | |
4828 | **/ \r | |
4829 | EFI_STATUS\r | |
4830 | AtapiIdentifyDevice (\r | |
4831 | IN OUT SCSI_DISK_DEV *ScsiDiskDevice\r | |
4832 | )\r | |
4833 | {\r | |
4834 | EFI_SCSI_IO_SCSI_REQUEST_PACKET CommandPacket;\r | |
4835 | UINT8 Cdb[6];\r | |
4836 | \r | |
4837 | //\r | |
4838 | // Initialize SCSI REQUEST_PACKET and 6-byte Cdb\r | |
4839 | //\r | |
4840 | ZeroMem (&CommandPacket, sizeof (CommandPacket));\r | |
4841 | ZeroMem (Cdb, sizeof (Cdb));\r | |
4842 | \r | |
4843 | Cdb[0] = ATA_CMD_IDENTIFY_DEVICE;\r | |
4844 | CommandPacket.Timeout = SCSI_DISK_TIMEOUT;\r | |
4845 | CommandPacket.Cdb = Cdb;\r | |
4846 | CommandPacket.CdbLength = (UINT8) sizeof (Cdb);\r | |
4847 | CommandPacket.InDataBuffer = &ScsiDiskDevice->IdentifyData;\r | |
4848 | CommandPacket.InTransferLength = sizeof (ScsiDiskDevice->IdentifyData);\r | |
4849 | \r | |
4850 | return ScsiDiskDevice->ScsiIo->ExecuteScsiCommand (ScsiDiskDevice->ScsiIo, &CommandPacket, NULL);\r | |
4851 | }\r | |
4852 | \r | |
4853 | \r | |
4854 | /**\r | |
4855 | Initialize the installation of DiskInfo protocol.\r | |
4856 | \r | |
4857 | This function prepares for the installation of DiskInfo protocol on the child handle.\r | |
4858 | By default, it installs DiskInfo protocol with SCSI interface GUID. If it further\r | |
4859 | detects that the physical device is an ATAPI/AHCI device, it then updates interface GUID\r | |
4860 | to be IDE/AHCI interface GUID.\r | |
4861 | \r | |
4862 | @param ScsiDiskDevice The pointer of SCSI_DISK_DEV.\r | |
4863 | @param ChildHandle Child handle to install DiskInfo protocol.\r | |
4864 | \r | |
4865 | **/ \r | |
4866 | VOID\r | |
4867 | InitializeInstallDiskInfo (\r | |
4868 | IN SCSI_DISK_DEV *ScsiDiskDevice,\r | |
4869 | IN EFI_HANDLE ChildHandle\r | |
4870 | )\r | |
4871 | {\r | |
4872 | EFI_STATUS Status;\r | |
4873 | EFI_DEVICE_PATH_PROTOCOL *DevicePathNode;\r | |
4874 | EFI_DEVICE_PATH_PROTOCOL *ChildDevicePathNode;\r | |
4875 | ATAPI_DEVICE_PATH *AtapiDevicePath;\r | |
4876 | SATA_DEVICE_PATH *SataDevicePath;\r | |
4877 | UINTN IdentifyRetry;\r | |
4878 | \r | |
4879 | Status = gBS->HandleProtocol (ChildHandle, &gEfiDevicePathProtocolGuid, (VOID **) &DevicePathNode);\r | |
4880 | //\r | |
4881 | // Device Path protocol must be installed on the device handle. \r | |
4882 | //\r | |
4883 | ASSERT_EFI_ERROR (Status);\r | |
4884 | //\r | |
4885 | // Copy the DiskInfo protocol template.\r | |
4886 | //\r | |
4887 | CopyMem (&ScsiDiskDevice->DiskInfo, &gScsiDiskInfoProtocolTemplate, sizeof (gScsiDiskInfoProtocolTemplate));\r | |
4888 | \r | |
4889 | while (!IsDevicePathEnd (DevicePathNode)) {\r | |
4890 | ChildDevicePathNode = NextDevicePathNode (DevicePathNode);\r | |
4891 | if ((DevicePathType (DevicePathNode) == HARDWARE_DEVICE_PATH) &&\r | |
4892 | (DevicePathSubType (DevicePathNode) == HW_PCI_DP) &&\r | |
4893 | (DevicePathType (ChildDevicePathNode) == MESSAGING_DEVICE_PATH) &&\r | |
4894 | ((DevicePathSubType (ChildDevicePathNode) == MSG_ATAPI_DP) ||\r | |
4895 | (DevicePathSubType (ChildDevicePathNode) == MSG_SATA_DP))) {\r | |
4896 | \r | |
4897 | IdentifyRetry = 3;\r | |
4898 | do {\r | |
4899 | //\r | |
4900 | // Issue ATA Identify Device Command via SCSI command, which is required to publish DiskInfo protocol\r | |
4901 | // with IDE/AHCI interface GUID.\r | |
4902 | //\r | |
4903 | Status = AtapiIdentifyDevice (ScsiDiskDevice);\r | |
4904 | if (!EFI_ERROR (Status)) {\r | |
4905 | if (DevicePathSubType(ChildDevicePathNode) == MSG_ATAPI_DP) {\r | |
4906 | //\r | |
4907 | // We find the valid ATAPI device path\r | |
4908 | //\r | |
4909 | AtapiDevicePath = (ATAPI_DEVICE_PATH *) ChildDevicePathNode;\r | |
4910 | ScsiDiskDevice->Channel = AtapiDevicePath->PrimarySecondary;\r | |
4911 | ScsiDiskDevice->Device = AtapiDevicePath->SlaveMaster;\r | |
4912 | //\r | |
4913 | // Update the DiskInfo.Interface to IDE interface GUID for the physical ATAPI device. \r | |
4914 | //\r | |
4915 | CopyGuid (&ScsiDiskDevice->DiskInfo.Interface, &gEfiDiskInfoIdeInterfaceGuid);\r | |
4916 | } else {\r | |
4917 | //\r | |
4918 | // We find the valid SATA device path\r | |
4919 | //\r | |
4920 | SataDevicePath = (SATA_DEVICE_PATH *) ChildDevicePathNode;\r | |
4921 | ScsiDiskDevice->Channel = SataDevicePath->HBAPortNumber;\r | |
4922 | ScsiDiskDevice->Device = SataDevicePath->PortMultiplierPortNumber;\r | |
4923 | //\r | |
4924 | // Update the DiskInfo.Interface to AHCI interface GUID for the physical AHCI device. \r | |
4925 | //\r | |
4926 | CopyGuid (&ScsiDiskDevice->DiskInfo.Interface, &gEfiDiskInfoAhciInterfaceGuid);\r | |
4927 | }\r | |
4928 | return;\r | |
4929 | }\r | |
4930 | } while (--IdentifyRetry > 0);\r | |
4931 | } else if ((DevicePathType (ChildDevicePathNode) == MESSAGING_DEVICE_PATH) &&\r | |
4932 | (DevicePathSubType (ChildDevicePathNode) == MSG_UFS_DP)) {\r | |
4933 | CopyGuid (&ScsiDiskDevice->DiskInfo.Interface, &gEfiDiskInfoUfsInterfaceGuid);\r | |
4934 | break;\r | |
4935 | }\r | |
4936 | DevicePathNode = ChildDevicePathNode;\r | |
4937 | }\r | |
4938 | \r | |
4939 | return;\r | |
4940 | }\r |