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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 - 2017, 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->EraseBlock.Revision = EFI_ERASE_BLOCK_PROTOCOL_REVISION;\r | |
248 | ScsiDiskDevice->EraseBlock.EraseLengthGranularity = 1;\r | |
249 | ScsiDiskDevice->EraseBlock.EraseBlocks = ScsiDiskEraseBlocks;\r | |
250 | ScsiDiskDevice->UnmapInfo.MaxBlkDespCnt = 1;\r | |
251 | ScsiDiskDevice->BlockLimitsVpdSupported = FALSE;\r | |
252 | ScsiDiskDevice->Handle = Controller;\r | |
253 | InitializeListHead (&ScsiDiskDevice->AsyncTaskQueue);\r | |
254 | \r | |
255 | ScsiIo->GetDeviceType (ScsiIo, &(ScsiDiskDevice->DeviceType));\r | |
256 | switch (ScsiDiskDevice->DeviceType) {\r | |
257 | case EFI_SCSI_TYPE_DISK:\r | |
258 | ScsiDiskDevice->BlkIo.Media->BlockSize = 0x200;\r | |
259 | MustReadCapacity = TRUE;\r | |
260 | break;\r | |
261 | \r | |
262 | case EFI_SCSI_TYPE_CDROM:\r | |
263 | ScsiDiskDevice->BlkIo.Media->BlockSize = 0x800;\r | |
264 | ScsiDiskDevice->BlkIo.Media->ReadOnly = TRUE;\r | |
265 | MustReadCapacity = FALSE;\r | |
266 | break;\r | |
267 | }\r | |
268 | //\r | |
269 | // The Sense Data Array's initial size is 6\r | |
270 | //\r | |
271 | ScsiDiskDevice->SenseDataNumber = 6;\r | |
272 | ScsiDiskDevice->SenseData = (EFI_SCSI_SENSE_DATA *) AllocateZeroPool (\r | |
273 | sizeof (EFI_SCSI_SENSE_DATA) * ScsiDiskDevice->SenseDataNumber\r | |
274 | );\r | |
275 | if (ScsiDiskDevice->SenseData == NULL) {\r | |
276 | gBS->CloseProtocol (\r | |
277 | Controller,\r | |
278 | &gEfiScsiIoProtocolGuid,\r | |
279 | This->DriverBindingHandle,\r | |
280 | Controller\r | |
281 | );\r | |
282 | FreePool (ScsiDiskDevice);\r | |
283 | return EFI_OUT_OF_RESOURCES;\r | |
284 | }\r | |
285 | \r | |
286 | //\r | |
287 | // Retrieve device information\r | |
288 | //\r | |
289 | MaxRetry = 2;\r | |
290 | for (Index = 0; Index < MaxRetry; Index++) {\r | |
291 | Status = ScsiDiskInquiryDevice (ScsiDiskDevice, &NeedRetry);\r | |
292 | if (!EFI_ERROR (Status)) {\r | |
293 | break;\r | |
294 | }\r | |
295 | \r | |
296 | if (!NeedRetry) {\r | |
297 | FreePool (ScsiDiskDevice->SenseData);\r | |
298 | gBS->CloseProtocol (\r | |
299 | Controller,\r | |
300 | &gEfiScsiIoProtocolGuid,\r | |
301 | This->DriverBindingHandle,\r | |
302 | Controller\r | |
303 | );\r | |
304 | FreePool (ScsiDiskDevice);\r | |
305 | return EFI_DEVICE_ERROR;\r | |
306 | }\r | |
307 | }\r | |
308 | //\r | |
309 | // The second parameter "TRUE" means must\r | |
310 | // retrieve media capacity\r | |
311 | //\r | |
312 | Status = ScsiDiskDetectMedia (ScsiDiskDevice, MustReadCapacity, &Temp);\r | |
313 | if (!EFI_ERROR (Status)) {\r | |
314 | //\r | |
315 | // Determine if Block IO & Block IO2 should be produced on this controller\r | |
316 | // handle\r | |
317 | //\r | |
318 | if (DetermineInstallBlockIo(Controller)) {\r | |
319 | InitializeInstallDiskInfo(ScsiDiskDevice, Controller);\r | |
320 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
321 | &Controller,\r | |
322 | &gEfiBlockIoProtocolGuid,\r | |
323 | &ScsiDiskDevice->BlkIo,\r | |
324 | &gEfiBlockIo2ProtocolGuid,\r | |
325 | &ScsiDiskDevice->BlkIo2,\r | |
326 | &gEfiDiskInfoProtocolGuid,\r | |
327 | &ScsiDiskDevice->DiskInfo,\r | |
328 | NULL\r | |
329 | );\r | |
330 | if (!EFI_ERROR(Status)) {\r | |
331 | if (DetermineInstallEraseBlock(ScsiDiskDevice, Controller)) {\r | |
332 | Status = gBS->InstallProtocolInterface (\r | |
333 | &Controller,\r | |
334 | &gEfiEraseBlockProtocolGuid,\r | |
335 | EFI_NATIVE_INTERFACE,\r | |
336 | &ScsiDiskDevice->EraseBlock\r | |
337 | );\r | |
338 | if (EFI_ERROR(Status)) {\r | |
339 | DEBUG ((EFI_D_ERROR, "ScsiDisk: Failed to install the Erase Block Protocol! Status = %r\n", Status));\r | |
340 | }\r | |
341 | }\r | |
342 | ScsiDiskDevice->ControllerNameTable = NULL;\r | |
343 | AddUnicodeString2 (\r | |
344 | "eng",\r | |
345 | gScsiDiskComponentName.SupportedLanguages,\r | |
346 | &ScsiDiskDevice->ControllerNameTable,\r | |
347 | L"SCSI Disk Device",\r | |
348 | TRUE\r | |
349 | );\r | |
350 | AddUnicodeString2 (\r | |
351 | "en",\r | |
352 | gScsiDiskComponentName2.SupportedLanguages,\r | |
353 | &ScsiDiskDevice->ControllerNameTable,\r | |
354 | L"SCSI Disk Device",\r | |
355 | FALSE\r | |
356 | );\r | |
357 | return EFI_SUCCESS;\r | |
358 | }\r | |
359 | } \r | |
360 | }\r | |
361 | \r | |
362 | gBS->FreePool (ScsiDiskDevice->SenseData);\r | |
363 | gBS->FreePool (ScsiDiskDevice);\r | |
364 | gBS->CloseProtocol (\r | |
365 | Controller,\r | |
366 | &gEfiScsiIoProtocolGuid,\r | |
367 | This->DriverBindingHandle,\r | |
368 | Controller\r | |
369 | );\r | |
370 | return Status;\r | |
371 | \r | |
372 | }\r | |
373 | \r | |
374 | \r | |
375 | /**\r | |
376 | Stop this driver on ControllerHandle.\r | |
377 | \r | |
378 | This service is called by the EFI boot service DisconnectController().\r | |
379 | In order to make drivers as small as possible, there are a few calling\r | |
380 | restrictions for this service. DisconnectController() must follow these\r | |
381 | calling restrictions. If any other agent wishes to call Stop() it must\r | |
382 | also follow these calling restrictions.\r | |
383 | \r | |
384 | @param This Protocol instance pointer.\r | |
385 | @param ControllerHandle Handle of device to stop driver on\r | |
386 | @param NumberOfChildren Number of Handles in ChildHandleBuffer. If number of\r | |
387 | children is zero stop the entire bus driver.\r | |
388 | @param ChildHandleBuffer List of Child Handles to Stop.\r | |
389 | \r | |
390 | @retval EFI_SUCCESS This driver is removed ControllerHandle\r | |
391 | @retval other This driver was not removed from this device\r | |
392 | \r | |
393 | **/\r | |
394 | EFI_STATUS\r | |
395 | EFIAPI\r | |
396 | ScsiDiskDriverBindingStop (\r | |
397 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
398 | IN EFI_HANDLE Controller,\r | |
399 | IN UINTN NumberOfChildren,\r | |
400 | IN EFI_HANDLE *ChildHandleBuffer OPTIONAL\r | |
401 | )\r | |
402 | {\r | |
403 | EFI_BLOCK_IO_PROTOCOL *BlkIo;\r | |
404 | EFI_ERASE_BLOCK_PROTOCOL *EraseBlock;\r | |
405 | SCSI_DISK_DEV *ScsiDiskDevice;\r | |
406 | EFI_STATUS Status;\r | |
407 | \r | |
408 | Status = gBS->OpenProtocol (\r | |
409 | Controller,\r | |
410 | &gEfiBlockIoProtocolGuid,\r | |
411 | (VOID **) &BlkIo,\r | |
412 | This->DriverBindingHandle,\r | |
413 | Controller,\r | |
414 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
415 | );\r | |
416 | if (EFI_ERROR (Status)) {\r | |
417 | return Status;\r | |
418 | }\r | |
419 | \r | |
420 | ScsiDiskDevice = SCSI_DISK_DEV_FROM_BLKIO (BlkIo);\r | |
421 | \r | |
422 | //\r | |
423 | // Wait for the BlockIo2 requests queue to become empty\r | |
424 | //\r | |
425 | while (!IsListEmpty (&ScsiDiskDevice->AsyncTaskQueue));\r | |
426 | \r | |
427 | //\r | |
428 | // If Erase Block Protocol is installed, then uninstall this protocol.\r | |
429 | //\r | |
430 | Status = gBS->OpenProtocol (\r | |
431 | Controller,\r | |
432 | &gEfiEraseBlockProtocolGuid,\r | |
433 | (VOID **) &EraseBlock,\r | |
434 | This->DriverBindingHandle,\r | |
435 | Controller,\r | |
436 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
437 | );\r | |
438 | \r | |
439 | if (!EFI_ERROR (Status)) {\r | |
440 | Status = gBS->UninstallProtocolInterface (\r | |
441 | Controller,\r | |
442 | &gEfiEraseBlockProtocolGuid,\r | |
443 | &ScsiDiskDevice->EraseBlock\r | |
444 | );\r | |
445 | if (EFI_ERROR (Status)) {\r | |
446 | return Status;\r | |
447 | }\r | |
448 | }\r | |
449 | \r | |
450 | Status = gBS->UninstallMultipleProtocolInterfaces (\r | |
451 | Controller,\r | |
452 | &gEfiBlockIoProtocolGuid,\r | |
453 | &ScsiDiskDevice->BlkIo,\r | |
454 | &gEfiBlockIo2ProtocolGuid,\r | |
455 | &ScsiDiskDevice->BlkIo2,\r | |
456 | &gEfiDiskInfoProtocolGuid,\r | |
457 | &ScsiDiskDevice->DiskInfo,\r | |
458 | NULL\r | |
459 | );\r | |
460 | if (!EFI_ERROR (Status)) {\r | |
461 | gBS->CloseProtocol (\r | |
462 | Controller,\r | |
463 | &gEfiScsiIoProtocolGuid,\r | |
464 | This->DriverBindingHandle,\r | |
465 | Controller\r | |
466 | );\r | |
467 | \r | |
468 | ReleaseScsiDiskDeviceResources (ScsiDiskDevice);\r | |
469 | \r | |
470 | return EFI_SUCCESS;\r | |
471 | }\r | |
472 | //\r | |
473 | // errors met\r | |
474 | //\r | |
475 | return Status;\r | |
476 | }\r | |
477 | \r | |
478 | /**\r | |
479 | Reset SCSI Disk.\r | |
480 | \r | |
481 | \r | |
482 | @param This The pointer of EFI_BLOCK_IO_PROTOCOL\r | |
483 | @param ExtendedVerification The flag about if extend verificate\r | |
484 | \r | |
485 | @retval EFI_SUCCESS The device was reset.\r | |
486 | @retval EFI_DEVICE_ERROR The device is not functioning properly and could\r | |
487 | not be reset.\r | |
488 | @return EFI_STATUS is returned from EFI_SCSI_IO_PROTOCOL.ResetDevice().\r | |
489 | \r | |
490 | **/\r | |
491 | EFI_STATUS\r | |
492 | EFIAPI\r | |
493 | ScsiDiskReset (\r | |
494 | IN EFI_BLOCK_IO_PROTOCOL *This,\r | |
495 | IN BOOLEAN ExtendedVerification\r | |
496 | )\r | |
497 | {\r | |
498 | EFI_TPL OldTpl;\r | |
499 | SCSI_DISK_DEV *ScsiDiskDevice;\r | |
500 | EFI_STATUS Status;\r | |
501 | \r | |
502 | OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r | |
503 | \r | |
504 | ScsiDiskDevice = SCSI_DISK_DEV_FROM_BLKIO (This);\r | |
505 | \r | |
506 | Status = ScsiDiskDevice->ScsiIo->ResetDevice (ScsiDiskDevice->ScsiIo);\r | |
507 | \r | |
508 | if (EFI_ERROR (Status)) {\r | |
509 | if (Status == EFI_UNSUPPORTED) {\r | |
510 | Status = EFI_SUCCESS;\r | |
511 | } else {\r | |
512 | Status = EFI_DEVICE_ERROR;\r | |
513 | goto Done;\r | |
514 | }\r | |
515 | }\r | |
516 | \r | |
517 | if (!ExtendedVerification) {\r | |
518 | goto Done;\r | |
519 | }\r | |
520 | \r | |
521 | Status = ScsiDiskDevice->ScsiIo->ResetBus (ScsiDiskDevice->ScsiIo);\r | |
522 | \r | |
523 | if (EFI_ERROR (Status)) {\r | |
524 | Status = EFI_DEVICE_ERROR;\r | |
525 | goto Done;\r | |
526 | }\r | |
527 | \r | |
528 | Done:\r | |
529 | gBS->RestoreTPL (OldTpl);\r | |
530 | return Status;\r | |
531 | }\r | |
532 | \r | |
533 | /**\r | |
534 | The function is to Read Block from SCSI Disk.\r | |
535 | \r | |
536 | @param This The pointer of EFI_BLOCK_IO_PROTOCOL.\r | |
537 | @param MediaId The Id of Media detected\r | |
538 | @param Lba The logic block address\r | |
539 | @param BufferSize The size of Buffer\r | |
540 | @param Buffer The buffer to fill the read out data\r | |
541 | \r | |
542 | @retval EFI_SUCCESS Successfully to read out block.\r | |
543 | @retval EFI_DEVICE_ERROR Fail to detect media.\r | |
544 | @retval EFI_NO_MEDIA Media is not present.\r | |
545 | @retval EFI_MEDIA_CHANGED Media has changed.\r | |
546 | @retval EFI_BAD_BUFFER_SIZE The Buffer was not a multiple of the block size of the device.\r | |
547 | @retval EFI_INVALID_PARAMETER Invalid parameter passed in.\r | |
548 | \r | |
549 | **/\r | |
550 | EFI_STATUS\r | |
551 | EFIAPI\r | |
552 | ScsiDiskReadBlocks (\r | |
553 | IN EFI_BLOCK_IO_PROTOCOL *This,\r | |
554 | IN UINT32 MediaId,\r | |
555 | IN EFI_LBA Lba,\r | |
556 | IN UINTN BufferSize,\r | |
557 | OUT VOID *Buffer\r | |
558 | )\r | |
559 | {\r | |
560 | SCSI_DISK_DEV *ScsiDiskDevice;\r | |
561 | EFI_BLOCK_IO_MEDIA *Media;\r | |
562 | EFI_STATUS Status;\r | |
563 | UINTN BlockSize;\r | |
564 | UINTN NumberOfBlocks;\r | |
565 | BOOLEAN MediaChange;\r | |
566 | EFI_TPL OldTpl;\r | |
567 | \r | |
568 | MediaChange = FALSE;\r | |
569 | OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r | |
570 | ScsiDiskDevice = SCSI_DISK_DEV_FROM_BLKIO (This);\r | |
571 | Media = ScsiDiskDevice->BlkIo.Media;\r | |
572 | \r | |
573 | if (!IS_DEVICE_FIXED(ScsiDiskDevice)) {\r | |
574 | \r | |
575 | Status = ScsiDiskDetectMedia (ScsiDiskDevice, FALSE, &MediaChange);\r | |
576 | if (EFI_ERROR (Status)) {\r | |
577 | Status = EFI_DEVICE_ERROR;\r | |
578 | goto Done;\r | |
579 | }\r | |
580 | \r | |
581 | if (MediaChange) {\r | |
582 | gBS->ReinstallProtocolInterface (\r | |
583 | ScsiDiskDevice->Handle,\r | |
584 | &gEfiBlockIoProtocolGuid,\r | |
585 | &ScsiDiskDevice->BlkIo,\r | |
586 | &ScsiDiskDevice->BlkIo\r | |
587 | );\r | |
588 | gBS->ReinstallProtocolInterface (\r | |
589 | ScsiDiskDevice->Handle,\r | |
590 | &gEfiBlockIo2ProtocolGuid,\r | |
591 | &ScsiDiskDevice->BlkIo2,\r | |
592 | &ScsiDiskDevice->BlkIo2\r | |
593 | );\r | |
594 | if (DetermineInstallEraseBlock(ScsiDiskDevice, ScsiDiskDevice->Handle)) {\r | |
595 | gBS->ReinstallProtocolInterface (\r | |
596 | ScsiDiskDevice->Handle,\r | |
597 | &gEfiEraseBlockProtocolGuid,\r | |
598 | &ScsiDiskDevice->EraseBlock,\r | |
599 | &ScsiDiskDevice->EraseBlock\r | |
600 | );\r | |
601 | }\r | |
602 | if (Media->MediaPresent) {\r | |
603 | Status = EFI_MEDIA_CHANGED;\r | |
604 | } else {\r | |
605 | Status = EFI_NO_MEDIA;\r | |
606 | }\r | |
607 | goto Done;\r | |
608 | }\r | |
609 | }\r | |
610 | //\r | |
611 | // Get the intrinsic block size\r | |
612 | //\r | |
613 | BlockSize = Media->BlockSize;\r | |
614 | \r | |
615 | NumberOfBlocks = BufferSize / BlockSize;\r | |
616 | \r | |
617 | if (!(Media->MediaPresent)) {\r | |
618 | Status = EFI_NO_MEDIA;\r | |
619 | goto Done;\r | |
620 | }\r | |
621 | \r | |
622 | if (MediaId != Media->MediaId) {\r | |
623 | Status = EFI_MEDIA_CHANGED;\r | |
624 | goto Done;\r | |
625 | }\r | |
626 | \r | |
627 | if (Buffer == NULL) {\r | |
628 | Status = EFI_INVALID_PARAMETER;\r | |
629 | goto Done;\r | |
630 | }\r | |
631 | \r | |
632 | if (BufferSize == 0) {\r | |
633 | Status = EFI_SUCCESS;\r | |
634 | goto Done;\r | |
635 | }\r | |
636 | \r | |
637 | if (BufferSize % BlockSize != 0) {\r | |
638 | Status = EFI_BAD_BUFFER_SIZE;\r | |
639 | goto Done;\r | |
640 | }\r | |
641 | \r | |
642 | if (Lba > Media->LastBlock) {\r | |
643 | Status = EFI_INVALID_PARAMETER;\r | |
644 | goto Done;\r | |
645 | }\r | |
646 | \r | |
647 | if ((Lba + NumberOfBlocks - 1) > Media->LastBlock) {\r | |
648 | Status = EFI_INVALID_PARAMETER;\r | |
649 | goto Done;\r | |
650 | }\r | |
651 | \r | |
652 | if ((Media->IoAlign > 1) && (((UINTN) Buffer & (Media->IoAlign - 1)) != 0)) {\r | |
653 | Status = EFI_INVALID_PARAMETER;\r | |
654 | goto Done;\r | |
655 | }\r | |
656 | \r | |
657 | //\r | |
658 | // If all the parameters are valid, then perform read sectors command\r | |
659 | // to transfer data from device to host.\r | |
660 | //\r | |
661 | Status = ScsiDiskReadSectors (ScsiDiskDevice, Buffer, Lba, NumberOfBlocks);\r | |
662 | \r | |
663 | Done:\r | |
664 | gBS->RestoreTPL (OldTpl);\r | |
665 | return Status;\r | |
666 | }\r | |
667 | \r | |
668 | /**\r | |
669 | The function is to Write Block to SCSI Disk.\r | |
670 | \r | |
671 | @param This The pointer of EFI_BLOCK_IO_PROTOCOL\r | |
672 | @param MediaId The Id of Media detected\r | |
673 | @param Lba The logic block address\r | |
674 | @param BufferSize The size of Buffer\r | |
675 | @param Buffer The buffer to fill the read out data\r | |
676 | \r | |
677 | @retval EFI_SUCCESS Successfully to read out block.\r | |
678 | @retval EFI_WRITE_PROTECTED The device can not be written to.\r | |
679 | @retval EFI_DEVICE_ERROR Fail to detect media.\r | |
680 | @retval EFI_NO_MEDIA Media is not present.\r | |
681 | @retval EFI_MEDIA_CHNAGED Media has changed.\r | |
682 | @retval EFI_BAD_BUFFER_SIZE The Buffer was not a multiple of the block size of the device.\r | |
683 | @retval EFI_INVALID_PARAMETER Invalid parameter passed in.\r | |
684 | \r | |
685 | **/\r | |
686 | EFI_STATUS\r | |
687 | EFIAPI\r | |
688 | ScsiDiskWriteBlocks (\r | |
689 | IN EFI_BLOCK_IO_PROTOCOL *This,\r | |
690 | IN UINT32 MediaId,\r | |
691 | IN EFI_LBA Lba,\r | |
692 | IN UINTN BufferSize,\r | |
693 | IN VOID *Buffer\r | |
694 | )\r | |
695 | {\r | |
696 | SCSI_DISK_DEV *ScsiDiskDevice;\r | |
697 | EFI_BLOCK_IO_MEDIA *Media;\r | |
698 | EFI_STATUS Status;\r | |
699 | UINTN BlockSize;\r | |
700 | UINTN NumberOfBlocks;\r | |
701 | BOOLEAN MediaChange;\r | |
702 | EFI_TPL OldTpl;\r | |
703 | \r | |
704 | MediaChange = FALSE;\r | |
705 | OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r | |
706 | ScsiDiskDevice = SCSI_DISK_DEV_FROM_BLKIO (This);\r | |
707 | Media = ScsiDiskDevice->BlkIo.Media;\r | |
708 | \r | |
709 | if (!IS_DEVICE_FIXED(ScsiDiskDevice)) {\r | |
710 | \r | |
711 | Status = ScsiDiskDetectMedia (ScsiDiskDevice, FALSE, &MediaChange);\r | |
712 | if (EFI_ERROR (Status)) {\r | |
713 | Status = EFI_DEVICE_ERROR;\r | |
714 | goto Done;\r | |
715 | }\r | |
716 | \r | |
717 | if (MediaChange) {\r | |
718 | gBS->ReinstallProtocolInterface (\r | |
719 | ScsiDiskDevice->Handle,\r | |
720 | &gEfiBlockIoProtocolGuid,\r | |
721 | &ScsiDiskDevice->BlkIo,\r | |
722 | &ScsiDiskDevice->BlkIo\r | |
723 | );\r | |
724 | gBS->ReinstallProtocolInterface (\r | |
725 | ScsiDiskDevice->Handle,\r | |
726 | &gEfiBlockIo2ProtocolGuid,\r | |
727 | &ScsiDiskDevice->BlkIo2,\r | |
728 | &ScsiDiskDevice->BlkIo2\r | |
729 | );\r | |
730 | if (DetermineInstallEraseBlock(ScsiDiskDevice, ScsiDiskDevice->Handle)) {\r | |
731 | gBS->ReinstallProtocolInterface (\r | |
732 | ScsiDiskDevice->Handle,\r | |
733 | &gEfiEraseBlockProtocolGuid,\r | |
734 | &ScsiDiskDevice->EraseBlock,\r | |
735 | &ScsiDiskDevice->EraseBlock\r | |
736 | );\r | |
737 | }\r | |
738 | if (Media->MediaPresent) {\r | |
739 | Status = EFI_MEDIA_CHANGED;\r | |
740 | } else {\r | |
741 | Status = EFI_NO_MEDIA;\r | |
742 | }\r | |
743 | goto Done;\r | |
744 | }\r | |
745 | }\r | |
746 | //\r | |
747 | // Get the intrinsic block size\r | |
748 | //\r | |
749 | BlockSize = Media->BlockSize;\r | |
750 | \r | |
751 | NumberOfBlocks = BufferSize / BlockSize;\r | |
752 | \r | |
753 | if (!(Media->MediaPresent)) {\r | |
754 | Status = EFI_NO_MEDIA;\r | |
755 | goto Done;\r | |
756 | }\r | |
757 | \r | |
758 | if (MediaId != Media->MediaId) {\r | |
759 | Status = EFI_MEDIA_CHANGED;\r | |
760 | goto Done;\r | |
761 | }\r | |
762 | \r | |
763 | if (Media->ReadOnly) {\r | |
764 | Status = EFI_WRITE_PROTECTED;\r | |
765 | goto Done;\r | |
766 | }\r | |
767 | \r | |
768 | if (BufferSize == 0) {\r | |
769 | Status = EFI_SUCCESS;\r | |
770 | goto Done;\r | |
771 | }\r | |
772 | \r | |
773 | if (Buffer == NULL) {\r | |
774 | Status = EFI_INVALID_PARAMETER;\r | |
775 | goto Done;\r | |
776 | }\r | |
777 | \r | |
778 | if (BufferSize % BlockSize != 0) {\r | |
779 | Status = EFI_BAD_BUFFER_SIZE;\r | |
780 | goto Done;\r | |
781 | }\r | |
782 | \r | |
783 | if (Lba > Media->LastBlock) {\r | |
784 | Status = EFI_INVALID_PARAMETER;\r | |
785 | goto Done;\r | |
786 | }\r | |
787 | \r | |
788 | if ((Lba + NumberOfBlocks - 1) > Media->LastBlock) {\r | |
789 | Status = EFI_INVALID_PARAMETER;\r | |
790 | goto Done;\r | |
791 | }\r | |
792 | \r | |
793 | if ((Media->IoAlign > 1) && (((UINTN) Buffer & (Media->IoAlign - 1)) != 0)) {\r | |
794 | Status = EFI_INVALID_PARAMETER;\r | |
795 | goto Done;\r | |
796 | }\r | |
797 | //\r | |
798 | // if all the parameters are valid, then perform read sectors command\r | |
799 | // to transfer data from device to host.\r | |
800 | //\r | |
801 | Status = ScsiDiskWriteSectors (ScsiDiskDevice, Buffer, Lba, NumberOfBlocks);\r | |
802 | \r | |
803 | Done:\r | |
804 | gBS->RestoreTPL (OldTpl);\r | |
805 | return Status;\r | |
806 | }\r | |
807 | \r | |
808 | /**\r | |
809 | Flush Block to Disk.\r | |
810 | \r | |
811 | EFI_SUCCESS is returned directly.\r | |
812 | \r | |
813 | @param This The pointer of EFI_BLOCK_IO_PROTOCOL\r | |
814 | \r | |
815 | @retval EFI_SUCCESS All outstanding data was written to the device\r | |
816 | \r | |
817 | **/\r | |
818 | EFI_STATUS\r | |
819 | EFIAPI\r | |
820 | ScsiDiskFlushBlocks (\r | |
821 | IN EFI_BLOCK_IO_PROTOCOL *This\r | |
822 | )\r | |
823 | {\r | |
824 | //\r | |
825 | // return directly\r | |
826 | //\r | |
827 | return EFI_SUCCESS;\r | |
828 | }\r | |
829 | \r | |
830 | \r | |
831 | /**\r | |
832 | Reset SCSI Disk.\r | |
833 | \r | |
834 | @param This The pointer of EFI_BLOCK_IO2_PROTOCOL.\r | |
835 | @param ExtendedVerification The flag about if extend verificate.\r | |
836 | \r | |
837 | @retval EFI_SUCCESS The device was reset.\r | |
838 | @retval EFI_DEVICE_ERROR The device is not functioning properly and could\r | |
839 | not be reset.\r | |
840 | @return EFI_STATUS is returned from EFI_SCSI_IO_PROTOCOL.ResetDevice().\r | |
841 | \r | |
842 | **/\r | |
843 | EFI_STATUS\r | |
844 | EFIAPI\r | |
845 | ScsiDiskResetEx (\r | |
846 | IN EFI_BLOCK_IO2_PROTOCOL *This,\r | |
847 | IN BOOLEAN ExtendedVerification\r | |
848 | )\r | |
849 | {\r | |
850 | EFI_TPL OldTpl;\r | |
851 | SCSI_DISK_DEV *ScsiDiskDevice;\r | |
852 | EFI_STATUS Status;\r | |
853 | \r | |
854 | OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r | |
855 | \r | |
856 | ScsiDiskDevice = SCSI_DISK_DEV_FROM_BLKIO2 (This);\r | |
857 | \r | |
858 | Status = ScsiDiskDevice->ScsiIo->ResetDevice (ScsiDiskDevice->ScsiIo);\r | |
859 | \r | |
860 | if (EFI_ERROR (Status)) {\r | |
861 | if (Status == EFI_UNSUPPORTED) {\r | |
862 | Status = EFI_SUCCESS;\r | |
863 | } else {\r | |
864 | Status = EFI_DEVICE_ERROR;\r | |
865 | goto Done;\r | |
866 | }\r | |
867 | }\r | |
868 | \r | |
869 | if (!ExtendedVerification) {\r | |
870 | goto Done;\r | |
871 | }\r | |
872 | \r | |
873 | Status = ScsiDiskDevice->ScsiIo->ResetBus (ScsiDiskDevice->ScsiIo);\r | |
874 | \r | |
875 | if (EFI_ERROR (Status)) {\r | |
876 | Status = EFI_DEVICE_ERROR;\r | |
877 | goto Done;\r | |
878 | }\r | |
879 | \r | |
880 | Done:\r | |
881 | gBS->RestoreTPL (OldTpl);\r | |
882 | return Status;\r | |
883 | }\r | |
884 | \r | |
885 | /**\r | |
886 | The function is to Read Block from SCSI Disk.\r | |
887 | \r | |
888 | @param This The pointer of EFI_BLOCK_IO_PROTOCOL.\r | |
889 | @param MediaId The Id of Media detected.\r | |
890 | @param Lba The logic block address.\r | |
891 | @param Token A pointer to the token associated with the transaction.\r | |
892 | @param BufferSize The size of Buffer.\r | |
893 | @param Buffer The buffer to fill the read out data.\r | |
894 | \r | |
895 | @retval EFI_SUCCESS The read request was queued if Token-> Event is\r | |
896 | not NULL. The data was read correctly from the\r | |
897 | device if theToken-> Event is NULL.\r | |
898 | @retval EFI_DEVICE_ERROR The device reported an error while attempting\r | |
899 | to perform the read operation.\r | |
900 | @retval EFI_NO_MEDIA There is no media in the device.\r | |
901 | @retval EFI_MEDIA_CHANGED The MediaId is not for the current media.\r | |
902 | @retval EFI_BAD_BUFFER_SIZE The BufferSize parameter is not a multiple of\r | |
903 | the intrinsic block size of the device.\r | |
904 | @retval EFI_INVALID_PARAMETER The read request contains LBAs that are not\r | |
905 | valid, or the buffer is not on proper\r | |
906 | alignment.\r | |
907 | @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a\r | |
908 | lack of resources.\r | |
909 | \r | |
910 | **/\r | |
911 | EFI_STATUS\r | |
912 | EFIAPI\r | |
913 | ScsiDiskReadBlocksEx (\r | |
914 | IN EFI_BLOCK_IO2_PROTOCOL *This,\r | |
915 | IN UINT32 MediaId,\r | |
916 | IN EFI_LBA Lba,\r | |
917 | IN OUT EFI_BLOCK_IO2_TOKEN *Token,\r | |
918 | IN UINTN BufferSize,\r | |
919 | OUT VOID *Buffer\r | |
920 | )\r | |
921 | {\r | |
922 | SCSI_DISK_DEV *ScsiDiskDevice;\r | |
923 | EFI_BLOCK_IO_MEDIA *Media;\r | |
924 | EFI_STATUS Status;\r | |
925 | UINTN BlockSize;\r | |
926 | UINTN NumberOfBlocks;\r | |
927 | BOOLEAN MediaChange;\r | |
928 | EFI_TPL OldTpl;\r | |
929 | \r | |
930 | MediaChange = FALSE;\r | |
931 | OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r | |
932 | ScsiDiskDevice = SCSI_DISK_DEV_FROM_BLKIO2 (This);\r | |
933 | Media = ScsiDiskDevice->BlkIo.Media;\r | |
934 | \r | |
935 | if (!IS_DEVICE_FIXED(ScsiDiskDevice)) {\r | |
936 | \r | |
937 | Status = ScsiDiskDetectMedia (ScsiDiskDevice, FALSE, &MediaChange);\r | |
938 | if (EFI_ERROR (Status)) {\r | |
939 | Status = EFI_DEVICE_ERROR;\r | |
940 | goto Done;\r | |
941 | }\r | |
942 | \r | |
943 | if (MediaChange) {\r | |
944 | gBS->ReinstallProtocolInterface (\r | |
945 | ScsiDiskDevice->Handle,\r | |
946 | &gEfiBlockIoProtocolGuid,\r | |
947 | &ScsiDiskDevice->BlkIo,\r | |
948 | &ScsiDiskDevice->BlkIo\r | |
949 | );\r | |
950 | gBS->ReinstallProtocolInterface (\r | |
951 | ScsiDiskDevice->Handle,\r | |
952 | &gEfiBlockIo2ProtocolGuid,\r | |
953 | &ScsiDiskDevice->BlkIo2,\r | |
954 | &ScsiDiskDevice->BlkIo2\r | |
955 | );\r | |
956 | if (DetermineInstallEraseBlock(ScsiDiskDevice, ScsiDiskDevice->Handle)) {\r | |
957 | gBS->ReinstallProtocolInterface (\r | |
958 | ScsiDiskDevice->Handle,\r | |
959 | &gEfiEraseBlockProtocolGuid,\r | |
960 | &ScsiDiskDevice->EraseBlock,\r | |
961 | &ScsiDiskDevice->EraseBlock\r | |
962 | );\r | |
963 | }\r | |
964 | if (Media->MediaPresent) {\r | |
965 | Status = EFI_MEDIA_CHANGED;\r | |
966 | } else {\r | |
967 | Status = EFI_NO_MEDIA;\r | |
968 | }\r | |
969 | goto Done;\r | |
970 | }\r | |
971 | }\r | |
972 | //\r | |
973 | // Get the intrinsic block size\r | |
974 | //\r | |
975 | BlockSize = Media->BlockSize;\r | |
976 | \r | |
977 | NumberOfBlocks = BufferSize / BlockSize;\r | |
978 | \r | |
979 | if (!(Media->MediaPresent)) {\r | |
980 | Status = EFI_NO_MEDIA;\r | |
981 | goto Done;\r | |
982 | }\r | |
983 | \r | |
984 | if (MediaId != Media->MediaId) {\r | |
985 | Status = EFI_MEDIA_CHANGED;\r | |
986 | goto Done;\r | |
987 | }\r | |
988 | \r | |
989 | if (Buffer == NULL) {\r | |
990 | Status = EFI_INVALID_PARAMETER;\r | |
991 | goto Done;\r | |
992 | }\r | |
993 | \r | |
994 | if (BufferSize == 0) {\r | |
995 | if ((Token != NULL) && (Token->Event != NULL)) {\r | |
996 | Token->TransactionStatus = EFI_SUCCESS;\r | |
997 | gBS->SignalEvent (Token->Event);\r | |
998 | }\r | |
999 | \r | |
1000 | Status = EFI_SUCCESS;\r | |
1001 | goto Done;\r | |
1002 | }\r | |
1003 | \r | |
1004 | if (BufferSize % BlockSize != 0) {\r | |
1005 | Status = EFI_BAD_BUFFER_SIZE;\r | |
1006 | goto Done;\r | |
1007 | }\r | |
1008 | \r | |
1009 | if (Lba > Media->LastBlock) {\r | |
1010 | Status = EFI_INVALID_PARAMETER;\r | |
1011 | goto Done;\r | |
1012 | }\r | |
1013 | \r | |
1014 | if ((Lba + NumberOfBlocks - 1) > Media->LastBlock) {\r | |
1015 | Status = EFI_INVALID_PARAMETER;\r | |
1016 | goto Done;\r | |
1017 | }\r | |
1018 | \r | |
1019 | if ((Media->IoAlign > 1) && (((UINTN) Buffer & (Media->IoAlign - 1)) != 0)) {\r | |
1020 | Status = EFI_INVALID_PARAMETER;\r | |
1021 | goto Done;\r | |
1022 | }\r | |
1023 | \r | |
1024 | //\r | |
1025 | // If all the parameters are valid, then perform read sectors command\r | |
1026 | // to transfer data from device to host.\r | |
1027 | //\r | |
1028 | if ((Token != NULL) && (Token->Event != NULL)) {\r | |
1029 | Token->TransactionStatus = EFI_SUCCESS;\r | |
1030 | Status = ScsiDiskAsyncReadSectors (\r | |
1031 | ScsiDiskDevice,\r | |
1032 | Buffer,\r | |
1033 | Lba,\r | |
1034 | NumberOfBlocks,\r | |
1035 | Token\r | |
1036 | );\r | |
1037 | } else {\r | |
1038 | Status = ScsiDiskReadSectors (\r | |
1039 | ScsiDiskDevice,\r | |
1040 | Buffer,\r | |
1041 | Lba,\r | |
1042 | NumberOfBlocks\r | |
1043 | );\r | |
1044 | }\r | |
1045 | \r | |
1046 | Done:\r | |
1047 | gBS->RestoreTPL (OldTpl);\r | |
1048 | return Status;\r | |
1049 | }\r | |
1050 | \r | |
1051 | /**\r | |
1052 | The function is to Write Block to SCSI Disk.\r | |
1053 | \r | |
1054 | @param This The pointer of EFI_BLOCK_IO_PROTOCOL.\r | |
1055 | @param MediaId The Id of Media detected.\r | |
1056 | @param Lba The logic block address.\r | |
1057 | @param Token A pointer to the token associated with the transaction.\r | |
1058 | @param BufferSize The size of Buffer.\r | |
1059 | @param Buffer The buffer to fill the read out data.\r | |
1060 | \r | |
1061 | @retval EFI_SUCCESS The data were written correctly to the device.\r | |
1062 | @retval EFI_WRITE_PROTECTED The device cannot be written to.\r | |
1063 | @retval EFI_NO_MEDIA There is no media in the device.\r | |
1064 | @retval EFI_MEDIA_CHANGED The MediaId is not for the current media.\r | |
1065 | @retval EFI_DEVICE_ERROR The device reported an error while attempting\r | |
1066 | to perform the write operation.\r | |
1067 | @retval EFI_BAD_BUFFER_SIZE The BufferSize parameter is not a multiple of\r | |
1068 | the intrinsic block size of the device.\r | |
1069 | @retval EFI_INVALID_PARAMETER The write request contains LBAs that are not\r | |
1070 | valid, or the buffer is not on proper\r | |
1071 | alignment.\r | |
1072 | \r | |
1073 | **/\r | |
1074 | EFI_STATUS\r | |
1075 | EFIAPI\r | |
1076 | ScsiDiskWriteBlocksEx (\r | |
1077 | IN EFI_BLOCK_IO2_PROTOCOL *This,\r | |
1078 | IN UINT32 MediaId,\r | |
1079 | IN EFI_LBA Lba,\r | |
1080 | IN OUT EFI_BLOCK_IO2_TOKEN *Token,\r | |
1081 | IN UINTN BufferSize,\r | |
1082 | IN VOID *Buffer\r | |
1083 | )\r | |
1084 | {\r | |
1085 | SCSI_DISK_DEV *ScsiDiskDevice;\r | |
1086 | EFI_BLOCK_IO_MEDIA *Media;\r | |
1087 | EFI_STATUS Status;\r | |
1088 | UINTN BlockSize;\r | |
1089 | UINTN NumberOfBlocks;\r | |
1090 | BOOLEAN MediaChange;\r | |
1091 | EFI_TPL OldTpl;\r | |
1092 | \r | |
1093 | MediaChange = FALSE;\r | |
1094 | OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r | |
1095 | ScsiDiskDevice = SCSI_DISK_DEV_FROM_BLKIO2 (This);\r | |
1096 | Media = ScsiDiskDevice->BlkIo.Media;\r | |
1097 | \r | |
1098 | if (!IS_DEVICE_FIXED(ScsiDiskDevice)) {\r | |
1099 | \r | |
1100 | Status = ScsiDiskDetectMedia (ScsiDiskDevice, FALSE, &MediaChange);\r | |
1101 | if (EFI_ERROR (Status)) {\r | |
1102 | Status = EFI_DEVICE_ERROR;\r | |
1103 | goto Done;\r | |
1104 | }\r | |
1105 | \r | |
1106 | if (MediaChange) {\r | |
1107 | gBS->ReinstallProtocolInterface (\r | |
1108 | ScsiDiskDevice->Handle,\r | |
1109 | &gEfiBlockIoProtocolGuid,\r | |
1110 | &ScsiDiskDevice->BlkIo,\r | |
1111 | &ScsiDiskDevice->BlkIo\r | |
1112 | );\r | |
1113 | gBS->ReinstallProtocolInterface (\r | |
1114 | ScsiDiskDevice->Handle,\r | |
1115 | &gEfiBlockIo2ProtocolGuid,\r | |
1116 | &ScsiDiskDevice->BlkIo2,\r | |
1117 | &ScsiDiskDevice->BlkIo2\r | |
1118 | );\r | |
1119 | if (DetermineInstallEraseBlock(ScsiDiskDevice, ScsiDiskDevice->Handle)) {\r | |
1120 | gBS->ReinstallProtocolInterface (\r | |
1121 | ScsiDiskDevice->Handle,\r | |
1122 | &gEfiEraseBlockProtocolGuid,\r | |
1123 | &ScsiDiskDevice->EraseBlock,\r | |
1124 | &ScsiDiskDevice->EraseBlock\r | |
1125 | );\r | |
1126 | }\r | |
1127 | if (Media->MediaPresent) {\r | |
1128 | Status = EFI_MEDIA_CHANGED;\r | |
1129 | } else {\r | |
1130 | Status = EFI_NO_MEDIA;\r | |
1131 | }\r | |
1132 | goto Done;\r | |
1133 | }\r | |
1134 | }\r | |
1135 | //\r | |
1136 | // Get the intrinsic block size\r | |
1137 | //\r | |
1138 | BlockSize = Media->BlockSize;\r | |
1139 | \r | |
1140 | NumberOfBlocks = BufferSize / BlockSize;\r | |
1141 | \r | |
1142 | if (!(Media->MediaPresent)) {\r | |
1143 | Status = EFI_NO_MEDIA;\r | |
1144 | goto Done;\r | |
1145 | }\r | |
1146 | \r | |
1147 | if (MediaId != Media->MediaId) {\r | |
1148 | Status = EFI_MEDIA_CHANGED;\r | |
1149 | goto Done;\r | |
1150 | }\r | |
1151 | \r | |
1152 | if (Media->ReadOnly) {\r | |
1153 | Status = EFI_WRITE_PROTECTED;\r | |
1154 | goto Done;\r | |
1155 | }\r | |
1156 | \r | |
1157 | if (BufferSize == 0) {\r | |
1158 | if ((Token != NULL) && (Token->Event != NULL)) {\r | |
1159 | Token->TransactionStatus = EFI_SUCCESS;\r | |
1160 | gBS->SignalEvent (Token->Event);\r | |
1161 | }\r | |
1162 | \r | |
1163 | Status = EFI_SUCCESS;\r | |
1164 | goto Done;\r | |
1165 | }\r | |
1166 | \r | |
1167 | if (Buffer == NULL) {\r | |
1168 | Status = EFI_INVALID_PARAMETER;\r | |
1169 | goto Done;\r | |
1170 | }\r | |
1171 | \r | |
1172 | if (BufferSize % BlockSize != 0) {\r | |
1173 | Status = EFI_BAD_BUFFER_SIZE;\r | |
1174 | goto Done;\r | |
1175 | }\r | |
1176 | \r | |
1177 | if (Lba > Media->LastBlock) {\r | |
1178 | Status = EFI_INVALID_PARAMETER;\r | |
1179 | goto Done;\r | |
1180 | }\r | |
1181 | \r | |
1182 | if ((Lba + NumberOfBlocks - 1) > Media->LastBlock) {\r | |
1183 | Status = EFI_INVALID_PARAMETER;\r | |
1184 | goto Done;\r | |
1185 | }\r | |
1186 | \r | |
1187 | if ((Media->IoAlign > 1) && (((UINTN) Buffer & (Media->IoAlign - 1)) != 0)) {\r | |
1188 | Status = EFI_INVALID_PARAMETER;\r | |
1189 | goto Done;\r | |
1190 | }\r | |
1191 | \r | |
1192 | //\r | |
1193 | // if all the parameters are valid, then perform write sectors command\r | |
1194 | // to transfer data from device to host.\r | |
1195 | //\r | |
1196 | if ((Token != NULL) && (Token->Event != NULL)) {\r | |
1197 | Token->TransactionStatus = EFI_SUCCESS;\r | |
1198 | Status = ScsiDiskAsyncWriteSectors (\r | |
1199 | ScsiDiskDevice,\r | |
1200 | Buffer,\r | |
1201 | Lba,\r | |
1202 | NumberOfBlocks,\r | |
1203 | Token\r | |
1204 | );\r | |
1205 | } else {\r | |
1206 | Status = ScsiDiskWriteSectors (\r | |
1207 | ScsiDiskDevice,\r | |
1208 | Buffer,\r | |
1209 | Lba,\r | |
1210 | NumberOfBlocks\r | |
1211 | );\r | |
1212 | }\r | |
1213 | \r | |
1214 | Done:\r | |
1215 | gBS->RestoreTPL (OldTpl);\r | |
1216 | return Status;\r | |
1217 | }\r | |
1218 | \r | |
1219 | /**\r | |
1220 | Flush the Block Device.\r | |
1221 | \r | |
1222 | @param This Indicates a pointer to the calling context.\r | |
1223 | @param Token A pointer to the token associated with the transaction.\r | |
1224 | \r | |
1225 | @retval EFI_SUCCESS All outstanding data was written to the device.\r | |
1226 | @retval EFI_DEVICE_ERROR The device reported an error while attempting to\r | |
1227 | write data.\r | |
1228 | @retval EFI_WRITE_PROTECTED The device cannot be written to.\r | |
1229 | @retval EFI_NO_MEDIA There is no media in the device.\r | |
1230 | @retval EFI_MEDIA_CHANGED The MediaId is not for the current media.\r | |
1231 | \r | |
1232 | **/\r | |
1233 | EFI_STATUS\r | |
1234 | EFIAPI\r | |
1235 | ScsiDiskFlushBlocksEx (\r | |
1236 | IN EFI_BLOCK_IO2_PROTOCOL *This,\r | |
1237 | IN OUT EFI_BLOCK_IO2_TOKEN *Token\r | |
1238 | )\r | |
1239 | {\r | |
1240 | SCSI_DISK_DEV *ScsiDiskDevice;\r | |
1241 | EFI_BLOCK_IO_MEDIA *Media;\r | |
1242 | EFI_STATUS Status;\r | |
1243 | BOOLEAN MediaChange;\r | |
1244 | EFI_TPL OldTpl;\r | |
1245 | \r | |
1246 | MediaChange = FALSE;\r | |
1247 | OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r | |
1248 | ScsiDiskDevice = SCSI_DISK_DEV_FROM_BLKIO2 (This);\r | |
1249 | Media = ScsiDiskDevice->BlkIo.Media;\r | |
1250 | \r | |
1251 | if (!IS_DEVICE_FIXED(ScsiDiskDevice)) {\r | |
1252 | \r | |
1253 | Status = ScsiDiskDetectMedia (ScsiDiskDevice, FALSE, &MediaChange);\r | |
1254 | if (EFI_ERROR (Status)) {\r | |
1255 | Status = EFI_DEVICE_ERROR;\r | |
1256 | goto Done;\r | |
1257 | }\r | |
1258 | \r | |
1259 | if (MediaChange) {\r | |
1260 | gBS->ReinstallProtocolInterface (\r | |
1261 | ScsiDiskDevice->Handle,\r | |
1262 | &gEfiBlockIoProtocolGuid,\r | |
1263 | &ScsiDiskDevice->BlkIo,\r | |
1264 | &ScsiDiskDevice->BlkIo\r | |
1265 | );\r | |
1266 | gBS->ReinstallProtocolInterface (\r | |
1267 | ScsiDiskDevice->Handle,\r | |
1268 | &gEfiBlockIo2ProtocolGuid,\r | |
1269 | &ScsiDiskDevice->BlkIo2,\r | |
1270 | &ScsiDiskDevice->BlkIo2\r | |
1271 | );\r | |
1272 | if (DetermineInstallEraseBlock(ScsiDiskDevice, ScsiDiskDevice->Handle)) {\r | |
1273 | gBS->ReinstallProtocolInterface (\r | |
1274 | ScsiDiskDevice->Handle,\r | |
1275 | &gEfiEraseBlockProtocolGuid,\r | |
1276 | &ScsiDiskDevice->EraseBlock,\r | |
1277 | &ScsiDiskDevice->EraseBlock\r | |
1278 | );\r | |
1279 | }\r | |
1280 | if (Media->MediaPresent) {\r | |
1281 | Status = EFI_MEDIA_CHANGED;\r | |
1282 | } else {\r | |
1283 | Status = EFI_NO_MEDIA;\r | |
1284 | }\r | |
1285 | goto Done;\r | |
1286 | }\r | |
1287 | }\r | |
1288 | \r | |
1289 | if (!(Media->MediaPresent)) {\r | |
1290 | Status = EFI_NO_MEDIA;\r | |
1291 | goto Done;\r | |
1292 | }\r | |
1293 | \r | |
1294 | if (Media->ReadOnly) {\r | |
1295 | Status = EFI_WRITE_PROTECTED;\r | |
1296 | goto Done;\r | |
1297 | }\r | |
1298 | \r | |
1299 | //\r | |
1300 | // Wait for the BlockIo2 requests queue to become empty\r | |
1301 | //\r | |
1302 | while (!IsListEmpty (&ScsiDiskDevice->AsyncTaskQueue));\r | |
1303 | \r | |
1304 | Status = EFI_SUCCESS;\r | |
1305 | \r | |
1306 | //\r | |
1307 | // Signal caller event\r | |
1308 | //\r | |
1309 | if ((Token != NULL) && (Token->Event != NULL)) {\r | |
1310 | Token->TransactionStatus = EFI_SUCCESS;\r | |
1311 | gBS->SignalEvent (Token->Event);\r | |
1312 | }\r | |
1313 | \r | |
1314 | Done:\r | |
1315 | gBS->RestoreTPL (OldTpl);\r | |
1316 | return Status;\r | |
1317 | }\r | |
1318 | \r | |
1319 | \r | |
1320 | /**\r | |
1321 | Internal helper notify function which process the result of an asynchronous\r | |
1322 | SCSI UNMAP Command and signal the event passed from EraseBlocks.\r | |
1323 | \r | |
1324 | @param Event The instance of EFI_EVENT.\r | |
1325 | @param Context The parameter passed in.\r | |
1326 | \r | |
1327 | **/\r | |
1328 | VOID\r | |
1329 | EFIAPI\r | |
1330 | ScsiDiskAsyncUnmapNotify (\r | |
1331 | IN EFI_EVENT Event,\r | |
1332 | IN VOID *Context\r | |
1333 | )\r | |
1334 | {\r | |
1335 | SCSI_ERASEBLK_REQUEST *EraseBlkReq;\r | |
1336 | EFI_SCSI_IO_SCSI_REQUEST_PACKET *CommandPacket;\r | |
1337 | EFI_ERASE_BLOCK_TOKEN *Token;\r | |
1338 | EFI_STATUS Status;\r | |
1339 | \r | |
1340 | gBS->CloseEvent (Event);\r | |
1341 | \r | |
1342 | EraseBlkReq = (SCSI_ERASEBLK_REQUEST *) Context;\r | |
1343 | CommandPacket = &EraseBlkReq->CommandPacket;\r | |
1344 | Token = EraseBlkReq->Token;\r | |
1345 | Token->TransactionStatus = EFI_SUCCESS;\r | |
1346 | \r | |
1347 | Status = CheckHostAdapterStatus (CommandPacket->HostAdapterStatus);\r | |
1348 | if (EFI_ERROR(Status)) {\r | |
1349 | DEBUG ((\r | |
1350 | EFI_D_ERROR,\r | |
1351 | "ScsiDiskAsyncUnmapNotify: Host adapter indicating error status 0x%x.\n",\r | |
1352 | CommandPacket->HostAdapterStatus\r | |
1353 | ));\r | |
1354 | \r | |
1355 | Token->TransactionStatus = Status;\r | |
1356 | goto Done;\r | |
1357 | }\r | |
1358 | \r | |
1359 | Status = CheckTargetStatus (CommandPacket->TargetStatus);\r | |
1360 | if (EFI_ERROR(Status)) {\r | |
1361 | DEBUG ((\r | |
1362 | EFI_D_ERROR,\r | |
1363 | "ScsiDiskAsyncUnmapNotify: Target indicating error status 0x%x.\n",\r | |
1364 | CommandPacket->HostAdapterStatus\r | |
1365 | ));\r | |
1366 | \r | |
1367 | Token->TransactionStatus = Status;\r | |
1368 | goto Done;\r | |
1369 | }\r | |
1370 | \r | |
1371 | Done:\r | |
1372 | RemoveEntryList (&EraseBlkReq->Link);\r | |
1373 | FreePool (CommandPacket->OutDataBuffer);\r | |
1374 | FreePool (EraseBlkReq->CommandPacket.Cdb);\r | |
1375 | FreePool (EraseBlkReq);\r | |
1376 | \r | |
1377 | gBS->SignalEvent (Token->Event);\r | |
1378 | }\r | |
1379 | \r | |
1380 | /**\r | |
1381 | Require the device server to cause one or more LBAs to be unmapped.\r | |
1382 | \r | |
1383 | @param ScsiDiskDevice The pointer of ScsiDiskDevice.\r | |
1384 | @param Lba The start block number.\r | |
1385 | @param Blocks Total block number to be unmapped.\r | |
1386 | @param Token The pointer to the token associated with the\r | |
1387 | non-blocking erase block request.\r | |
1388 | \r | |
1389 | @retval EFI_SUCCESS Target blocks have been successfully unmapped.\r | |
1390 | @retval EFI_DEVICE_ERROR Fail to unmap the target blocks.\r | |
1391 | \r | |
1392 | **/\r | |
1393 | EFI_STATUS\r | |
1394 | ScsiDiskUnmap (\r | |
1395 | IN SCSI_DISK_DEV *ScsiDiskDevice,\r | |
1396 | IN UINT64 Lba,\r | |
1397 | IN UINTN Blocks,\r | |
1398 | IN EFI_ERASE_BLOCK_TOKEN *Token OPTIONAL\r | |
1399 | )\r | |
1400 | {\r | |
1401 | EFI_SCSI_IO_PROTOCOL *ScsiIo;\r | |
1402 | SCSI_ERASEBLK_REQUEST *EraseBlkReq;\r | |
1403 | EFI_SCSI_IO_SCSI_REQUEST_PACKET *CommandPacket;\r | |
1404 | EFI_SCSI_DISK_UNMAP_BLOCK_DESP *BlkDespPtr;\r | |
1405 | EFI_STATUS Status;\r | |
1406 | EFI_STATUS ReturnStatus;\r | |
1407 | UINT8 *Cdb;\r | |
1408 | UINT32 MaxLbaCnt;\r | |
1409 | UINT32 MaxBlkDespCnt;\r | |
1410 | UINT32 BlkDespCnt;\r | |
1411 | UINT16 UnmapParamListLen;\r | |
1412 | VOID *UnmapParamList;\r | |
1413 | EFI_EVENT AsyncUnmapEvent;\r | |
1414 | EFI_TPL OldTpl;\r | |
1415 | \r | |
1416 | ScsiIo = ScsiDiskDevice->ScsiIo;\r | |
1417 | MaxLbaCnt = ScsiDiskDevice->UnmapInfo.MaxLbaCnt;\r | |
1418 | MaxBlkDespCnt = ScsiDiskDevice->UnmapInfo.MaxBlkDespCnt;\r | |
1419 | EraseBlkReq = NULL;\r | |
1420 | UnmapParamList = NULL;\r | |
1421 | AsyncUnmapEvent = NULL;\r | |
1422 | ReturnStatus = EFI_SUCCESS;\r | |
1423 | \r | |
1424 | if (Blocks / (UINTN) MaxLbaCnt > MaxBlkDespCnt) {\r | |
1425 | ReturnStatus = EFI_DEVICE_ERROR;\r | |
1426 | goto Done;\r | |
1427 | }\r | |
1428 | \r | |
1429 | EraseBlkReq = AllocateZeroPool (sizeof (SCSI_ERASEBLK_REQUEST));\r | |
1430 | if (EraseBlkReq == NULL) {\r | |
1431 | ReturnStatus = EFI_DEVICE_ERROR;\r | |
1432 | goto Done;\r | |
1433 | }\r | |
1434 | \r | |
1435 | EraseBlkReq->CommandPacket.Cdb = AllocateZeroPool (0xA);\r | |
1436 | if (EraseBlkReq->CommandPacket.Cdb == NULL) {\r | |
1437 | ReturnStatus = EFI_DEVICE_ERROR;\r | |
1438 | goto Done;\r | |
1439 | }\r | |
1440 | \r | |
1441 | BlkDespCnt = (UINT32) ((Blocks - 1) / MaxLbaCnt + 1);\r | |
1442 | UnmapParamListLen = (UINT16) (sizeof (EFI_SCSI_DISK_UNMAP_PARAM_LIST_HEADER)\r | |
1443 | + BlkDespCnt * sizeof (EFI_SCSI_DISK_UNMAP_BLOCK_DESP));\r | |
1444 | UnmapParamList = AllocateZeroPool (UnmapParamListLen);\r | |
1445 | if (UnmapParamList == NULL) {\r | |
1446 | ReturnStatus = EFI_DEVICE_ERROR;\r | |
1447 | goto Done;\r | |
1448 | }\r | |
1449 | \r | |
1450 | *((UINT16 *)UnmapParamList) = SwapBytes16 (UnmapParamListLen - 2);\r | |
1451 | *((UINT16 *)UnmapParamList + 1) = SwapBytes16 (UnmapParamListLen - sizeof (EFI_SCSI_DISK_UNMAP_PARAM_LIST_HEADER));\r | |
1452 | \r | |
1453 | BlkDespPtr = (EFI_SCSI_DISK_UNMAP_BLOCK_DESP *)((UINT8 *)UnmapParamList + sizeof (EFI_SCSI_DISK_UNMAP_PARAM_LIST_HEADER));\r | |
1454 | while (Blocks > 0) {\r | |
1455 | if (Blocks > MaxLbaCnt) {\r | |
1456 | *(UINT64 *)(&BlkDespPtr->Lba) = SwapBytes64 (Lba);\r | |
1457 | *(UINT32 *)(&BlkDespPtr->BlockNum) = SwapBytes32 (MaxLbaCnt);\r | |
1458 | Blocks -= MaxLbaCnt;\r | |
1459 | Lba += MaxLbaCnt;\r | |
1460 | } else {\r | |
1461 | *(UINT64 *)(&BlkDespPtr->Lba) = SwapBytes64 (Lba);\r | |
1462 | *(UINT32 *)(&BlkDespPtr->BlockNum) = SwapBytes32 ((UINT32) Blocks);\r | |
1463 | Blocks = 0;\r | |
1464 | }\r | |
1465 | \r | |
1466 | BlkDespPtr++;\r | |
1467 | }\r | |
1468 | \r | |
1469 | CommandPacket = &EraseBlkReq->CommandPacket;\r | |
1470 | CommandPacket->Timeout = SCSI_DISK_TIMEOUT;\r | |
1471 | CommandPacket->OutDataBuffer = UnmapParamList;\r | |
1472 | CommandPacket->OutTransferLength = UnmapParamListLen;\r | |
1473 | CommandPacket->CdbLength = 0xA;\r | |
1474 | CommandPacket->DataDirection = EFI_SCSI_DATA_OUT;\r | |
1475 | //\r | |
1476 | // Fill Cdb for UNMAP Command\r | |
1477 | //\r | |
1478 | Cdb = CommandPacket->Cdb;\r | |
1479 | Cdb[0] = EFI_SCSI_OP_UNMAP;\r | |
1480 | WriteUnaligned16 ((UINT16 *)&Cdb[7], SwapBytes16 (UnmapParamListLen));\r | |
1481 | \r | |
1482 | if ((Token != NULL) && (Token->Event != NULL)) {\r | |
1483 | //\r | |
1484 | // Non-blocking UNMAP request\r | |
1485 | //\r | |
1486 | Status = gBS->CreateEvent (\r | |
1487 | EVT_NOTIFY_SIGNAL,\r | |
1488 | TPL_NOTIFY,\r | |
1489 | ScsiDiskAsyncUnmapNotify,\r | |
1490 | EraseBlkReq,\r | |
1491 | &AsyncUnmapEvent\r | |
1492 | );\r | |
1493 | if (EFI_ERROR(Status)) {\r | |
1494 | ReturnStatus = EFI_DEVICE_ERROR;\r | |
1495 | goto Done;\r | |
1496 | }\r | |
1497 | \r | |
1498 | OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r | |
1499 | InsertTailList (&ScsiDiskDevice->AsyncTaskQueue, &EraseBlkReq->Link);\r | |
1500 | gBS->RestoreTPL (OldTpl);\r | |
1501 | \r | |
1502 | EraseBlkReq->Token = Token;\r | |
1503 | \r | |
1504 | Status = ScsiIo->ExecuteScsiCommand (\r | |
1505 | ScsiIo,\r | |
1506 | CommandPacket,\r | |
1507 | AsyncUnmapEvent\r | |
1508 | );\r | |
1509 | if (EFI_ERROR(Status)) {\r | |
1510 | ReturnStatus = EFI_DEVICE_ERROR;\r | |
1511 | \r | |
1512 | OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r | |
1513 | RemoveEntryList (&EraseBlkReq->Link);\r | |
1514 | gBS->RestoreTPL (OldTpl);\r | |
1515 | \r | |
1516 | goto Done;\r | |
1517 | } else {\r | |
1518 | //\r | |
1519 | // Directly return if the non-blocking UNMAP request is queued.\r | |
1520 | //\r | |
1521 | return EFI_SUCCESS;\r | |
1522 | }\r | |
1523 | } else {\r | |
1524 | //\r | |
1525 | // Blocking UNMAP request\r | |
1526 | //\r | |
1527 | Status = ScsiIo->ExecuteScsiCommand (\r | |
1528 | ScsiIo,\r | |
1529 | CommandPacket,\r | |
1530 | NULL\r | |
1531 | );\r | |
1532 | if (EFI_ERROR(Status)) {\r | |
1533 | ReturnStatus = EFI_DEVICE_ERROR;\r | |
1534 | goto Done;\r | |
1535 | }\r | |
1536 | }\r | |
1537 | \r | |
1538 | //\r | |
1539 | // Only blocking UNMAP request will reach here.\r | |
1540 | //\r | |
1541 | Status = CheckHostAdapterStatus (CommandPacket->HostAdapterStatus);\r | |
1542 | if (EFI_ERROR(Status)) {\r | |
1543 | DEBUG ((\r | |
1544 | EFI_D_ERROR,\r | |
1545 | "ScsiDiskUnmap: Host adapter indicating error status 0x%x.\n",\r | |
1546 | CommandPacket->HostAdapterStatus\r | |
1547 | ));\r | |
1548 | \r | |
1549 | ReturnStatus = EFI_DEVICE_ERROR;\r | |
1550 | goto Done;\r | |
1551 | }\r | |
1552 | \r | |
1553 | Status = CheckTargetStatus (CommandPacket->TargetStatus);\r | |
1554 | if (EFI_ERROR(Status)) {\r | |
1555 | DEBUG ((\r | |
1556 | EFI_D_ERROR,\r | |
1557 | "ScsiDiskUnmap: Target indicating error status 0x%x.\n",\r | |
1558 | CommandPacket->HostAdapterStatus\r | |
1559 | ));\r | |
1560 | \r | |
1561 | ReturnStatus = EFI_DEVICE_ERROR;\r | |
1562 | goto Done;\r | |
1563 | }\r | |
1564 | \r | |
1565 | Done:\r | |
1566 | if (EraseBlkReq != NULL) {\r | |
1567 | if (EraseBlkReq->CommandPacket.Cdb != NULL) {\r | |
1568 | FreePool (EraseBlkReq->CommandPacket.Cdb);\r | |
1569 | }\r | |
1570 | FreePool (EraseBlkReq);\r | |
1571 | }\r | |
1572 | \r | |
1573 | if (UnmapParamList != NULL) {\r | |
1574 | FreePool (UnmapParamList);\r | |
1575 | }\r | |
1576 | \r | |
1577 | if (AsyncUnmapEvent != NULL) {\r | |
1578 | gBS->CloseEvent (AsyncUnmapEvent);\r | |
1579 | }\r | |
1580 | \r | |
1581 | return ReturnStatus;\r | |
1582 | }\r | |
1583 | \r | |
1584 | /**\r | |
1585 | Erase a specified number of device blocks.\r | |
1586 | \r | |
1587 | @param[in] This Indicates a pointer to the calling context.\r | |
1588 | @param[in] MediaId The media ID that the erase request is for.\r | |
1589 | @param[in] Lba The starting logical block address to be\r | |
1590 | erased. The caller is responsible for erasing\r | |
1591 | only legitimate locations.\r | |
1592 | @param[in, out] Token A pointer to the token associated with the\r | |
1593 | transaction.\r | |
1594 | @param[in] Size The size in bytes to be erased. This must be\r | |
1595 | a multiple of the physical block size of the\r | |
1596 | device.\r | |
1597 | \r | |
1598 | @retval EFI_SUCCESS The erase request was queued if Event is not\r | |
1599 | NULL. The data was erased correctly to the\r | |
1600 | device if the Event is NULL.to the device.\r | |
1601 | @retval EFI_WRITE_PROTECTED The device cannot be erased due to write\r | |
1602 | protection.\r | |
1603 | @retval EFI_DEVICE_ERROR The device reported an error while attempting\r | |
1604 | to perform the erase operation.\r | |
1605 | @retval EFI_INVALID_PARAMETER The erase request contains LBAs that are not\r | |
1606 | valid.\r | |
1607 | @retval EFI_NO_MEDIA There is no media in the device.\r | |
1608 | @retval EFI_MEDIA_CHANGED The MediaId is not for the current media.\r | |
1609 | \r | |
1610 | **/\r | |
1611 | EFI_STATUS\r | |
1612 | EFIAPI\r | |
1613 | ScsiDiskEraseBlocks (\r | |
1614 | IN EFI_ERASE_BLOCK_PROTOCOL *This,\r | |
1615 | IN UINT32 MediaId,\r | |
1616 | IN EFI_LBA Lba,\r | |
1617 | IN OUT EFI_ERASE_BLOCK_TOKEN *Token,\r | |
1618 | IN UINTN Size\r | |
1619 | )\r | |
1620 | {\r | |
1621 | SCSI_DISK_DEV *ScsiDiskDevice;\r | |
1622 | EFI_BLOCK_IO_MEDIA *Media;\r | |
1623 | EFI_STATUS Status;\r | |
1624 | UINTN BlockSize;\r | |
1625 | UINTN NumberOfBlocks;\r | |
1626 | BOOLEAN MediaChange;\r | |
1627 | EFI_TPL OldTpl;\r | |
1628 | \r | |
1629 | MediaChange = FALSE;\r | |
1630 | OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r | |
1631 | ScsiDiskDevice = SCSI_DISK_DEV_FROM_ERASEBLK (This);\r | |
1632 | \r | |
1633 | if (!IS_DEVICE_FIXED(ScsiDiskDevice)) {\r | |
1634 | Status = ScsiDiskDetectMedia (ScsiDiskDevice, FALSE, &MediaChange);\r | |
1635 | if (EFI_ERROR (Status)) {\r | |
1636 | Status = EFI_DEVICE_ERROR;\r | |
1637 | goto Done;\r | |
1638 | }\r | |
1639 | \r | |
1640 | if (MediaChange) {\r | |
1641 | gBS->ReinstallProtocolInterface (\r | |
1642 | ScsiDiskDevice->Handle,\r | |
1643 | &gEfiBlockIoProtocolGuid,\r | |
1644 | &ScsiDiskDevice->BlkIo,\r | |
1645 | &ScsiDiskDevice->BlkIo\r | |
1646 | );\r | |
1647 | gBS->ReinstallProtocolInterface (\r | |
1648 | ScsiDiskDevice->Handle,\r | |
1649 | &gEfiBlockIo2ProtocolGuid,\r | |
1650 | &ScsiDiskDevice->BlkIo2,\r | |
1651 | &ScsiDiskDevice->BlkIo2\r | |
1652 | );\r | |
1653 | if (DetermineInstallEraseBlock(ScsiDiskDevice, ScsiDiskDevice->Handle)) {\r | |
1654 | gBS->ReinstallProtocolInterface (\r | |
1655 | ScsiDiskDevice->Handle,\r | |
1656 | &gEfiEraseBlockProtocolGuid,\r | |
1657 | &ScsiDiskDevice->EraseBlock,\r | |
1658 | &ScsiDiskDevice->EraseBlock\r | |
1659 | );\r | |
1660 | }\r | |
1661 | Status = EFI_MEDIA_CHANGED;\r | |
1662 | goto Done;\r | |
1663 | }\r | |
1664 | }\r | |
1665 | //\r | |
1666 | // Get the intrinsic block size\r | |
1667 | //\r | |
1668 | Media = ScsiDiskDevice->BlkIo.Media;\r | |
1669 | \r | |
1670 | if (!(Media->MediaPresent)) {\r | |
1671 | Status = EFI_NO_MEDIA;\r | |
1672 | goto Done;\r | |
1673 | }\r | |
1674 | \r | |
1675 | if (MediaId != Media->MediaId) {\r | |
1676 | Status = EFI_MEDIA_CHANGED;\r | |
1677 | goto Done;\r | |
1678 | }\r | |
1679 | \r | |
1680 | if (Media->ReadOnly) {\r | |
1681 | Status = EFI_WRITE_PROTECTED;\r | |
1682 | goto Done;\r | |
1683 | }\r | |
1684 | \r | |
1685 | if (Size == 0) {\r | |
1686 | if ((Token != NULL) && (Token->Event != NULL)) {\r | |
1687 | Token->TransactionStatus = EFI_SUCCESS;\r | |
1688 | gBS->SignalEvent (Token->Event);\r | |
1689 | }\r | |
1690 | Status = EFI_SUCCESS;\r | |
1691 | goto Done;\r | |
1692 | }\r | |
1693 | \r | |
1694 | BlockSize = Media->BlockSize;\r | |
1695 | if ((Size % BlockSize) != 0) {\r | |
1696 | Status = EFI_INVALID_PARAMETER;\r | |
1697 | goto Done;\r | |
1698 | }\r | |
1699 | \r | |
1700 | NumberOfBlocks = Size / BlockSize;\r | |
1701 | if ((Lba + NumberOfBlocks - 1) > Media->LastBlock) {\r | |
1702 | Status = EFI_INVALID_PARAMETER;\r | |
1703 | goto Done;\r | |
1704 | }\r | |
1705 | \r | |
1706 | if ((Token != NULL) && (Token->Event != NULL)) {\r | |
1707 | Status = ScsiDiskUnmap (ScsiDiskDevice, Lba, NumberOfBlocks, Token);\r | |
1708 | } else {\r | |
1709 | Status = ScsiDiskUnmap (ScsiDiskDevice, Lba, NumberOfBlocks, NULL);\r | |
1710 | }\r | |
1711 | \r | |
1712 | Done:\r | |
1713 | gBS->RestoreTPL (OldTpl);\r | |
1714 | return Status;\r | |
1715 | }\r | |
1716 | \r | |
1717 | \r | |
1718 | /**\r | |
1719 | Detect Device and read out capacity ,if error occurs, parse the sense key.\r | |
1720 | \r | |
1721 | @param ScsiDiskDevice The pointer of SCSI_DISK_DEV\r | |
1722 | @param MustReadCapacity The flag about reading device capacity\r | |
1723 | @param MediaChange The pointer of flag indicates if media has changed \r | |
1724 | \r | |
1725 | @retval EFI_DEVICE_ERROR Indicates that error occurs\r | |
1726 | @retval EFI_SUCCESS Successfully to detect media\r | |
1727 | \r | |
1728 | **/\r | |
1729 | EFI_STATUS\r | |
1730 | ScsiDiskDetectMedia (\r | |
1731 | IN SCSI_DISK_DEV *ScsiDiskDevice,\r | |
1732 | IN BOOLEAN MustReadCapacity,\r | |
1733 | OUT BOOLEAN *MediaChange\r | |
1734 | )\r | |
1735 | {\r | |
1736 | EFI_STATUS Status;\r | |
1737 | EFI_SCSI_SENSE_DATA *SenseData;\r | |
1738 | UINTN NumberOfSenseKeys;\r | |
1739 | BOOLEAN NeedRetry;\r | |
1740 | BOOLEAN NeedReadCapacity;\r | |
1741 | UINT8 Retry;\r | |
1742 | UINT8 MaxRetry;\r | |
1743 | EFI_BLOCK_IO_MEDIA OldMedia;\r | |
1744 | UINTN Action;\r | |
1745 | EFI_EVENT TimeoutEvt;\r | |
1746 | \r | |
1747 | Status = EFI_SUCCESS;\r | |
1748 | SenseData = NULL;\r | |
1749 | NumberOfSenseKeys = 0;\r | |
1750 | Retry = 0;\r | |
1751 | MaxRetry = 3;\r | |
1752 | Action = ACTION_NO_ACTION;\r | |
1753 | NeedReadCapacity = FALSE;\r | |
1754 | *MediaChange = FALSE;\r | |
1755 | TimeoutEvt = NULL;\r | |
1756 | \r | |
1757 | CopyMem (&OldMedia, ScsiDiskDevice->BlkIo.Media, sizeof (OldMedia));\r | |
1758 | \r | |
1759 | Status = gBS->CreateEvent (\r | |
1760 | EVT_TIMER,\r | |
1761 | TPL_CALLBACK,\r | |
1762 | NULL,\r | |
1763 | NULL,\r | |
1764 | &TimeoutEvt\r | |
1765 | );\r | |
1766 | if (EFI_ERROR (Status)) {\r | |
1767 | return Status;\r | |
1768 | }\r | |
1769 | \r | |
1770 | Status = gBS->SetTimer (TimeoutEvt, TimerRelative, EFI_TIMER_PERIOD_SECONDS(120));\r | |
1771 | if (EFI_ERROR (Status)) {\r | |
1772 | goto EXIT;\r | |
1773 | }\r | |
1774 | \r | |
1775 | //\r | |
1776 | // Sending Test_Unit cmd to poll device status.\r | |
1777 | // If the sense data shows the drive is not ready or reset before, we need poll the device status again.\r | |
1778 | // We limit the upper boundary to 120 seconds.\r | |
1779 | //\r | |
1780 | while (EFI_ERROR (gBS->CheckEvent (TimeoutEvt))) {\r | |
1781 | Status = ScsiDiskTestUnitReady (\r | |
1782 | ScsiDiskDevice,\r | |
1783 | &NeedRetry,\r | |
1784 | &SenseData,\r | |
1785 | &NumberOfSenseKeys\r | |
1786 | );\r | |
1787 | if (!EFI_ERROR (Status)) {\r | |
1788 | Status = DetectMediaParsingSenseKeys (\r | |
1789 | ScsiDiskDevice,\r | |
1790 | SenseData,\r | |
1791 | NumberOfSenseKeys,\r | |
1792 | &Action\r | |
1793 | );\r | |
1794 | if (EFI_ERROR (Status)) {\r | |
1795 | goto EXIT;\r | |
1796 | } else if (Action == ACTION_RETRY_COMMAND_LATER) {\r | |
1797 | continue;\r | |
1798 | } else {\r | |
1799 | break;\r | |
1800 | }\r | |
1801 | } else {\r | |
1802 | Retry++;\r | |
1803 | if (!NeedRetry || (Retry >= MaxRetry)) {\r | |
1804 | goto EXIT;\r | |
1805 | }\r | |
1806 | }\r | |
1807 | }\r | |
1808 | \r | |
1809 | if (EFI_ERROR (Status)) {\r | |
1810 | goto EXIT;\r | |
1811 | }\r | |
1812 | \r | |
1813 | //\r | |
1814 | // ACTION_NO_ACTION: need not read capacity\r | |
1815 | // other action code: need read capacity\r | |
1816 | //\r | |
1817 | if (Action == ACTION_READ_CAPACITY) {\r | |
1818 | NeedReadCapacity = TRUE;\r | |
1819 | }\r | |
1820 | \r | |
1821 | //\r | |
1822 | // either NeedReadCapacity is TRUE, or MustReadCapacity is TRUE,\r | |
1823 | // retrieve capacity via Read Capacity command\r | |
1824 | //\r | |
1825 | if (NeedReadCapacity || MustReadCapacity) {\r | |
1826 | //\r | |
1827 | // retrieve media information\r | |
1828 | //\r | |
1829 | for (Retry = 0; Retry < MaxRetry; Retry++) {\r | |
1830 | Status = ScsiDiskReadCapacity (\r | |
1831 | ScsiDiskDevice,\r | |
1832 | &NeedRetry,\r | |
1833 | &SenseData,\r | |
1834 | &NumberOfSenseKeys\r | |
1835 | );\r | |
1836 | if (!EFI_ERROR (Status)) {\r | |
1837 | //\r | |
1838 | // analyze sense key to action\r | |
1839 | //\r | |
1840 | Status = DetectMediaParsingSenseKeys (\r | |
1841 | ScsiDiskDevice,\r | |
1842 | SenseData,\r | |
1843 | NumberOfSenseKeys,\r | |
1844 | &Action\r | |
1845 | );\r | |
1846 | if (EFI_ERROR (Status)) {\r | |
1847 | //\r | |
1848 | // if Status is error, it may indicate crisis error,\r | |
1849 | // so return without retry.\r | |
1850 | //\r | |
1851 | goto EXIT;\r | |
1852 | } else if (Action == ACTION_RETRY_COMMAND_LATER) {\r | |
1853 | Retry = 0;\r | |
1854 | continue;\r | |
1855 | } else {\r | |
1856 | break;\r | |
1857 | }\r | |
1858 | } else { \r | |
1859 | Retry++;\r | |
1860 | if (!NeedRetry || (Retry >= MaxRetry)) {\r | |
1861 | goto EXIT;\r | |
1862 | }\r | |
1863 | }\r | |
1864 | }\r | |
1865 | \r | |
1866 | if (EFI_ERROR (Status)) {\r | |
1867 | goto EXIT;\r | |
1868 | }\r | |
1869 | }\r | |
1870 | \r | |
1871 | if (ScsiDiskDevice->BlkIo.Media->MediaId != OldMedia.MediaId) {\r | |
1872 | //\r | |
1873 | // Media change information got from the device\r | |
1874 | //\r | |
1875 | *MediaChange = TRUE;\r | |
1876 | }\r | |
1877 | \r | |
1878 | if (ScsiDiskDevice->BlkIo.Media->ReadOnly != OldMedia.ReadOnly) {\r | |
1879 | *MediaChange = TRUE;\r | |
1880 | ScsiDiskDevice->BlkIo.Media->MediaId += 1;\r | |
1881 | }\r | |
1882 | \r | |
1883 | if (ScsiDiskDevice->BlkIo.Media->BlockSize != OldMedia.BlockSize) {\r | |
1884 | *MediaChange = TRUE;\r | |
1885 | ScsiDiskDevice->BlkIo.Media->MediaId += 1;\r | |
1886 | }\r | |
1887 | \r | |
1888 | if (ScsiDiskDevice->BlkIo.Media->LastBlock != OldMedia.LastBlock) {\r | |
1889 | *MediaChange = TRUE;\r | |
1890 | ScsiDiskDevice->BlkIo.Media->MediaId += 1;\r | |
1891 | }\r | |
1892 | \r | |
1893 | if (ScsiDiskDevice->BlkIo.Media->MediaPresent != OldMedia.MediaPresent) {\r | |
1894 | if (ScsiDiskDevice->BlkIo.Media->MediaPresent) {\r | |
1895 | //\r | |
1896 | // when change from no media to media present, reset the MediaId to 1.\r | |
1897 | //\r | |
1898 | ScsiDiskDevice->BlkIo.Media->MediaId = 1;\r | |
1899 | } else {\r | |
1900 | //\r | |
1901 | // when no media, reset the MediaId to zero.\r | |
1902 | //\r | |
1903 | ScsiDiskDevice->BlkIo.Media->MediaId = 0;\r | |
1904 | }\r | |
1905 | \r | |
1906 | *MediaChange = TRUE;\r | |
1907 | }\r | |
1908 | \r | |
1909 | EXIT:\r | |
1910 | if (TimeoutEvt != NULL) {\r | |
1911 | gBS->CloseEvent (TimeoutEvt);\r | |
1912 | }\r | |
1913 | return Status;\r | |
1914 | }\r | |
1915 | \r | |
1916 | \r | |
1917 | /**\r | |
1918 | Send out Inquiry command to Device.\r | |
1919 | \r | |
1920 | @param ScsiDiskDevice The pointer of SCSI_DISK_DEV\r | |
1921 | @param NeedRetry Indicates if needs try again when error happens\r | |
1922 | \r | |
1923 | @retval EFI_DEVICE_ERROR Indicates that error occurs\r | |
1924 | @retval EFI_SUCCESS Successfully to detect media\r | |
1925 | \r | |
1926 | **/\r | |
1927 | EFI_STATUS\r | |
1928 | ScsiDiskInquiryDevice (\r | |
1929 | IN OUT SCSI_DISK_DEV *ScsiDiskDevice,\r | |
1930 | OUT BOOLEAN *NeedRetry\r | |
1931 | )\r | |
1932 | {\r | |
1933 | UINT32 InquiryDataLength;\r | |
1934 | UINT8 SenseDataLength;\r | |
1935 | UINT8 HostAdapterStatus;\r | |
1936 | UINT8 TargetStatus;\r | |
1937 | EFI_SCSI_SENSE_DATA *SenseDataArray;\r | |
1938 | UINTN NumberOfSenseKeys;\r | |
1939 | EFI_STATUS Status;\r | |
1940 | UINT8 MaxRetry;\r | |
1941 | UINT8 Index;\r | |
1942 | EFI_SCSI_SUPPORTED_VPD_PAGES_VPD_PAGE *SupportedVpdPages;\r | |
1943 | EFI_SCSI_BLOCK_LIMITS_VPD_PAGE *BlockLimits;\r | |
1944 | UINTN PageLength;\r | |
1945 | \r | |
1946 | InquiryDataLength = sizeof (EFI_SCSI_INQUIRY_DATA);\r | |
1947 | SenseDataLength = 0;\r | |
1948 | \r | |
1949 | Status = ScsiInquiryCommand (\r | |
1950 | ScsiDiskDevice->ScsiIo,\r | |
1951 | SCSI_DISK_TIMEOUT,\r | |
1952 | NULL,\r | |
1953 | &SenseDataLength,\r | |
1954 | &HostAdapterStatus,\r | |
1955 | &TargetStatus,\r | |
1956 | (VOID *) &(ScsiDiskDevice->InquiryData),\r | |
1957 | &InquiryDataLength,\r | |
1958 | FALSE\r | |
1959 | );\r | |
1960 | //\r | |
1961 | // no need to check HostAdapterStatus and TargetStatus\r | |
1962 | //\r | |
1963 | if ((Status == EFI_SUCCESS) || (Status == EFI_WARN_BUFFER_TOO_SMALL)) {\r | |
1964 | ParseInquiryData (ScsiDiskDevice);\r | |
1965 | \r | |
1966 | if (ScsiDiskDevice->DeviceType == EFI_SCSI_TYPE_DISK) {\r | |
1967 | //\r | |
1968 | // Check whether the device supports Block Limits VPD page (0xB0)\r | |
1969 | //\r | |
1970 | SupportedVpdPages = AllocateAlignedBuffer (ScsiDiskDevice, sizeof (EFI_SCSI_SUPPORTED_VPD_PAGES_VPD_PAGE));\r | |
1971 | if (SupportedVpdPages == NULL) {\r | |
1972 | *NeedRetry = FALSE;\r | |
1973 | return EFI_DEVICE_ERROR;\r | |
1974 | }\r | |
1975 | ZeroMem (SupportedVpdPages, sizeof (EFI_SCSI_SUPPORTED_VPD_PAGES_VPD_PAGE));\r | |
1976 | InquiryDataLength = sizeof (EFI_SCSI_SUPPORTED_VPD_PAGES_VPD_PAGE);\r | |
1977 | SenseDataLength = 0;\r | |
1978 | Status = ScsiInquiryCommandEx (\r | |
1979 | ScsiDiskDevice->ScsiIo,\r | |
1980 | SCSI_DISK_TIMEOUT,\r | |
1981 | NULL,\r | |
1982 | &SenseDataLength,\r | |
1983 | &HostAdapterStatus,\r | |
1984 | &TargetStatus,\r | |
1985 | (VOID *) SupportedVpdPages,\r | |
1986 | &InquiryDataLength,\r | |
1987 | TRUE,\r | |
1988 | EFI_SCSI_PAGE_CODE_SUPPORTED_VPD\r | |
1989 | );\r | |
1990 | if (!EFI_ERROR (Status)) {\r | |
1991 | PageLength = (SupportedVpdPages->PageLength2 << 8)\r | |
1992 | | SupportedVpdPages->PageLength1;\r | |
1993 | \r | |
1994 | //\r | |
1995 | // Sanity checks for coping with broken devices\r | |
1996 | //\r | |
1997 | if (PageLength > sizeof SupportedVpdPages->SupportedVpdPageList) {\r | |
1998 | DEBUG ((EFI_D_WARN,\r | |
1999 | "%a: invalid PageLength (%u) in Supported VPD Pages page\n",\r | |
2000 | __FUNCTION__, (UINT32)PageLength));\r | |
2001 | PageLength = 0;\r | |
2002 | }\r | |
2003 | \r | |
2004 | if ((PageLength > 0) &&\r | |
2005 | (SupportedVpdPages->SupportedVpdPageList[0] !=\r | |
2006 | EFI_SCSI_PAGE_CODE_SUPPORTED_VPD)) {\r | |
2007 | DEBUG ((EFI_D_WARN,\r | |
2008 | "%a: Supported VPD Pages page doesn't start with code 0x%02x\n",\r | |
2009 | __FUNCTION__, EFI_SCSI_PAGE_CODE_SUPPORTED_VPD));\r | |
2010 | PageLength = 0;\r | |
2011 | }\r | |
2012 | \r | |
2013 | //\r | |
2014 | // Locate the code for the Block Limits VPD page\r | |
2015 | //\r | |
2016 | for (Index = 0; Index < PageLength; Index++) {\r | |
2017 | //\r | |
2018 | // Sanity check\r | |
2019 | //\r | |
2020 | if ((Index > 0) &&\r | |
2021 | (SupportedVpdPages->SupportedVpdPageList[Index] <=\r | |
2022 | SupportedVpdPages->SupportedVpdPageList[Index - 1])) {\r | |
2023 | DEBUG ((EFI_D_WARN,\r | |
2024 | "%a: non-ascending code in Supported VPD Pages page @ %u\n",\r | |
2025 | __FUNCTION__, Index));\r | |
2026 | Index = 0;\r | |
2027 | PageLength = 0;\r | |
2028 | break;\r | |
2029 | }\r | |
2030 | \r | |
2031 | if (SupportedVpdPages->SupportedVpdPageList[Index] == EFI_SCSI_PAGE_CODE_BLOCK_LIMITS_VPD) {\r | |
2032 | break;\r | |
2033 | }\r | |
2034 | }\r | |
2035 | \r | |
2036 | //\r | |
2037 | // Query the Block Limits VPD page\r | |
2038 | //\r | |
2039 | if (Index < PageLength) {\r | |
2040 | BlockLimits = AllocateAlignedBuffer (ScsiDiskDevice, sizeof (EFI_SCSI_BLOCK_LIMITS_VPD_PAGE));\r | |
2041 | if (BlockLimits == NULL) {\r | |
2042 | FreeAlignedBuffer (SupportedVpdPages, sizeof (EFI_SCSI_SUPPORTED_VPD_PAGES_VPD_PAGE));\r | |
2043 | *NeedRetry = FALSE;\r | |
2044 | return EFI_DEVICE_ERROR;\r | |
2045 | }\r | |
2046 | ZeroMem (BlockLimits, sizeof (EFI_SCSI_BLOCK_LIMITS_VPD_PAGE));\r | |
2047 | InquiryDataLength = sizeof (EFI_SCSI_BLOCK_LIMITS_VPD_PAGE);\r | |
2048 | SenseDataLength = 0;\r | |
2049 | Status = ScsiInquiryCommandEx (\r | |
2050 | ScsiDiskDevice->ScsiIo,\r | |
2051 | SCSI_DISK_TIMEOUT,\r | |
2052 | NULL,\r | |
2053 | &SenseDataLength,\r | |
2054 | &HostAdapterStatus,\r | |
2055 | &TargetStatus,\r | |
2056 | (VOID *) BlockLimits,\r | |
2057 | &InquiryDataLength,\r | |
2058 | TRUE,\r | |
2059 | EFI_SCSI_PAGE_CODE_BLOCK_LIMITS_VPD\r | |
2060 | );\r | |
2061 | if (!EFI_ERROR (Status)) {\r | |
2062 | ScsiDiskDevice->BlkIo.Media->OptimalTransferLengthGranularity = \r | |
2063 | (BlockLimits->OptimalTransferLengthGranularity2 << 8) |\r | |
2064 | BlockLimits->OptimalTransferLengthGranularity1;\r | |
2065 | \r | |
2066 | ScsiDiskDevice->UnmapInfo.MaxLbaCnt =\r | |
2067 | (BlockLimits->MaximumUnmapLbaCount4 << 24) |\r | |
2068 | (BlockLimits->MaximumUnmapLbaCount3 << 16) |\r | |
2069 | (BlockLimits->MaximumUnmapLbaCount2 << 8) |\r | |
2070 | BlockLimits->MaximumUnmapLbaCount1;\r | |
2071 | ScsiDiskDevice->UnmapInfo.MaxBlkDespCnt =\r | |
2072 | (BlockLimits->MaximumUnmapBlockDescriptorCount4 << 24) |\r | |
2073 | (BlockLimits->MaximumUnmapBlockDescriptorCount3 << 16) |\r | |
2074 | (BlockLimits->MaximumUnmapBlockDescriptorCount2 << 8) |\r | |
2075 | BlockLimits->MaximumUnmapBlockDescriptorCount1;\r | |
2076 | ScsiDiskDevice->EraseBlock.EraseLengthGranularity =\r | |
2077 | (BlockLimits->OptimalUnmapGranularity4 << 24) |\r | |
2078 | (BlockLimits->OptimalUnmapGranularity3 << 16) |\r | |
2079 | (BlockLimits->OptimalUnmapGranularity2 << 8) |\r | |
2080 | BlockLimits->OptimalUnmapGranularity1;\r | |
2081 | if (BlockLimits->UnmapGranularityAlignmentValid != 0) {\r | |
2082 | ScsiDiskDevice->UnmapInfo.GranularityAlignment =\r | |
2083 | (BlockLimits->UnmapGranularityAlignment4 << 24) |\r | |
2084 | (BlockLimits->UnmapGranularityAlignment3 << 16) |\r | |
2085 | (BlockLimits->UnmapGranularityAlignment2 << 8) |\r | |
2086 | BlockLimits->UnmapGranularityAlignment1;\r | |
2087 | }\r | |
2088 | \r | |
2089 | if (ScsiDiskDevice->EraseBlock.EraseLengthGranularity == 0) {\r | |
2090 | //\r | |
2091 | // A value of 0 indicates that the optimal unmap granularity is\r | |
2092 | // not reported.\r | |
2093 | //\r | |
2094 | ScsiDiskDevice->EraseBlock.EraseLengthGranularity = 1;\r | |
2095 | }\r | |
2096 | \r | |
2097 | ScsiDiskDevice->BlockLimitsVpdSupported = TRUE;\r | |
2098 | }\r | |
2099 | \r | |
2100 | FreeAlignedBuffer (BlockLimits, sizeof (EFI_SCSI_BLOCK_LIMITS_VPD_PAGE));\r | |
2101 | }\r | |
2102 | }\r | |
2103 | \r | |
2104 | FreeAlignedBuffer (SupportedVpdPages, sizeof (EFI_SCSI_SUPPORTED_VPD_PAGES_VPD_PAGE));\r | |
2105 | }\r | |
2106 | }\r | |
2107 | \r | |
2108 | if (!EFI_ERROR (Status)) {\r | |
2109 | return EFI_SUCCESS;\r | |
2110 | \r | |
2111 | } else if (Status == EFI_NOT_READY) {\r | |
2112 | *NeedRetry = TRUE;\r | |
2113 | return EFI_DEVICE_ERROR;\r | |
2114 | \r | |
2115 | } else if ((Status == EFI_INVALID_PARAMETER) || (Status == EFI_UNSUPPORTED)) {\r | |
2116 | *NeedRetry = FALSE;\r | |
2117 | return EFI_DEVICE_ERROR;\r | |
2118 | }\r | |
2119 | //\r | |
2120 | // go ahead to check HostAdapterStatus and TargetStatus\r | |
2121 | // (EFI_TIMEOUT, EFI_DEVICE_ERROR)\r | |
2122 | //\r | |
2123 | \r | |
2124 | Status = CheckHostAdapterStatus (HostAdapterStatus);\r | |
2125 | if ((Status == EFI_TIMEOUT) || (Status == EFI_NOT_READY)) {\r | |
2126 | *NeedRetry = TRUE;\r | |
2127 | return EFI_DEVICE_ERROR;\r | |
2128 | } else if (Status == EFI_DEVICE_ERROR) {\r | |
2129 | //\r | |
2130 | // reset the scsi channel\r | |
2131 | //\r | |
2132 | ScsiDiskDevice->ScsiIo->ResetBus (ScsiDiskDevice->ScsiIo);\r | |
2133 | *NeedRetry = FALSE;\r | |
2134 | return EFI_DEVICE_ERROR;\r | |
2135 | }\r | |
2136 | \r | |
2137 | Status = CheckTargetStatus (TargetStatus);\r | |
2138 | if (Status == EFI_NOT_READY) {\r | |
2139 | //\r | |
2140 | // reset the scsi device\r | |
2141 | //\r | |
2142 | ScsiDiskDevice->ScsiIo->ResetDevice (ScsiDiskDevice->ScsiIo);\r | |
2143 | *NeedRetry = TRUE;\r | |
2144 | return EFI_DEVICE_ERROR;\r | |
2145 | \r | |
2146 | } else if (Status == EFI_DEVICE_ERROR) {\r | |
2147 | *NeedRetry = FALSE;\r | |
2148 | return EFI_DEVICE_ERROR;\r | |
2149 | }\r | |
2150 | \r | |
2151 | //\r | |
2152 | // if goes here, meant ScsiInquiryCommand() failed.\r | |
2153 | // if ScsiDiskRequestSenseKeys() succeeds at last,\r | |
2154 | // better retry ScsiInquiryCommand(). (by setting *NeedRetry = TRUE)\r | |
2155 | //\r | |
2156 | MaxRetry = 3;\r | |
2157 | for (Index = 0; Index < MaxRetry; Index++) {\r | |
2158 | Status = ScsiDiskRequestSenseKeys (\r | |
2159 | ScsiDiskDevice,\r | |
2160 | NeedRetry,\r | |
2161 | &SenseDataArray,\r | |
2162 | &NumberOfSenseKeys,\r | |
2163 | TRUE\r | |
2164 | );\r | |
2165 | if (!EFI_ERROR (Status)) {\r | |
2166 | *NeedRetry = TRUE;\r | |
2167 | return EFI_DEVICE_ERROR;\r | |
2168 | }\r | |
2169 | \r | |
2170 | if (!*NeedRetry) {\r | |
2171 | return EFI_DEVICE_ERROR;\r | |
2172 | }\r | |
2173 | }\r | |
2174 | //\r | |
2175 | // ScsiDiskRequestSenseKeys() failed after several rounds of retry.\r | |
2176 | // set *NeedRetry = FALSE to avoid the outside caller try again.\r | |
2177 | //\r | |
2178 | *NeedRetry = FALSE;\r | |
2179 | return EFI_DEVICE_ERROR;\r | |
2180 | }\r | |
2181 | \r | |
2182 | /**\r | |
2183 | To test device.\r | |
2184 | \r | |
2185 | When Test Unit Ready command succeeds, retrieve Sense Keys via Request Sense;\r | |
2186 | When Test Unit Ready command encounters any error caused by host adapter or\r | |
2187 | target, return error without retrieving Sense Keys.\r | |
2188 | \r | |
2189 | @param ScsiDiskDevice The pointer of SCSI_DISK_DEV\r | |
2190 | @param NeedRetry The pointer of flag indicates try again\r | |
2191 | @param SenseDataArray The pointer of an array of sense data\r | |
2192 | @param NumberOfSenseKeys The pointer of the number of sense data array\r | |
2193 | \r | |
2194 | @retval EFI_DEVICE_ERROR Indicates that error occurs\r | |
2195 | @retval EFI_SUCCESS Successfully to test unit\r | |
2196 | \r | |
2197 | **/\r | |
2198 | EFI_STATUS\r | |
2199 | ScsiDiskTestUnitReady (\r | |
2200 | IN SCSI_DISK_DEV *ScsiDiskDevice,\r | |
2201 | OUT BOOLEAN *NeedRetry,\r | |
2202 | OUT EFI_SCSI_SENSE_DATA **SenseDataArray,\r | |
2203 | OUT UINTN *NumberOfSenseKeys\r | |
2204 | )\r | |
2205 | {\r | |
2206 | EFI_STATUS Status;\r | |
2207 | UINT8 SenseDataLength;\r | |
2208 | UINT8 HostAdapterStatus;\r | |
2209 | UINT8 TargetStatus;\r | |
2210 | UINT8 Index;\r | |
2211 | UINT8 MaxRetry;\r | |
2212 | \r | |
2213 | SenseDataLength = (UINT8) (ScsiDiskDevice->SenseDataNumber * sizeof (EFI_SCSI_SENSE_DATA));\r | |
2214 | *NumberOfSenseKeys = 0;\r | |
2215 | \r | |
2216 | //\r | |
2217 | // Parameter 3 and 4: do not require sense data, retrieve it when needed.\r | |
2218 | //\r | |
2219 | Status = ScsiTestUnitReadyCommand (\r | |
2220 | ScsiDiskDevice->ScsiIo,\r | |
2221 | SCSI_DISK_TIMEOUT,\r | |
2222 | ScsiDiskDevice->SenseData,\r | |
2223 | &SenseDataLength,\r | |
2224 | &HostAdapterStatus,\r | |
2225 | &TargetStatus\r | |
2226 | );\r | |
2227 | //\r | |
2228 | // no need to check HostAdapterStatus and TargetStatus\r | |
2229 | //\r | |
2230 | if (Status == EFI_NOT_READY) {\r | |
2231 | *NeedRetry = TRUE;\r | |
2232 | return EFI_DEVICE_ERROR;\r | |
2233 | \r | |
2234 | } else if ((Status == EFI_INVALID_PARAMETER) || (Status == EFI_UNSUPPORTED)) {\r | |
2235 | *NeedRetry = FALSE;\r | |
2236 | return EFI_DEVICE_ERROR;\r | |
2237 | }\r | |
2238 | //\r | |
2239 | // go ahead to check HostAdapterStatus and TargetStatus(in case of EFI_DEVICE_ERROR)\r | |
2240 | //\r | |
2241 | \r | |
2242 | Status = CheckHostAdapterStatus (HostAdapterStatus);\r | |
2243 | if ((Status == EFI_TIMEOUT) || (Status == EFI_NOT_READY)) {\r | |
2244 | *NeedRetry = TRUE;\r | |
2245 | return EFI_DEVICE_ERROR;\r | |
2246 | \r | |
2247 | } else if (Status == EFI_DEVICE_ERROR) {\r | |
2248 | //\r | |
2249 | // reset the scsi channel\r | |
2250 | //\r | |
2251 | ScsiDiskDevice->ScsiIo->ResetBus (ScsiDiskDevice->ScsiIo);\r | |
2252 | *NeedRetry = FALSE;\r | |
2253 | return EFI_DEVICE_ERROR;\r | |
2254 | }\r | |
2255 | \r | |
2256 | Status = CheckTargetStatus (TargetStatus);\r | |
2257 | if (Status == EFI_NOT_READY) {\r | |
2258 | //\r | |
2259 | // reset the scsi device\r | |
2260 | //\r | |
2261 | ScsiDiskDevice->ScsiIo->ResetDevice (ScsiDiskDevice->ScsiIo);\r | |
2262 | *NeedRetry = TRUE;\r | |
2263 | return EFI_DEVICE_ERROR;\r | |
2264 | \r | |
2265 | } else if (Status == EFI_DEVICE_ERROR) {\r | |
2266 | *NeedRetry = FALSE;\r | |
2267 | return EFI_DEVICE_ERROR;\r | |
2268 | }\r | |
2269 | \r | |
2270 | if (SenseDataLength != 0) {\r | |
2271 | *NumberOfSenseKeys = SenseDataLength / sizeof (EFI_SCSI_SENSE_DATA);\r | |
2272 | *SenseDataArray = ScsiDiskDevice->SenseData;\r | |
2273 | return EFI_SUCCESS;\r | |
2274 | }\r | |
2275 | \r | |
2276 | MaxRetry = 3;\r | |
2277 | for (Index = 0; Index < MaxRetry; Index++) {\r | |
2278 | Status = ScsiDiskRequestSenseKeys (\r | |
2279 | ScsiDiskDevice,\r | |
2280 | NeedRetry,\r | |
2281 | SenseDataArray,\r | |
2282 | NumberOfSenseKeys,\r | |
2283 | FALSE\r | |
2284 | );\r | |
2285 | if (!EFI_ERROR (Status)) {\r | |
2286 | return EFI_SUCCESS;\r | |
2287 | }\r | |
2288 | \r | |
2289 | if (!*NeedRetry) {\r | |
2290 | return EFI_DEVICE_ERROR;\r | |
2291 | }\r | |
2292 | }\r | |
2293 | //\r | |
2294 | // ScsiDiskRequestSenseKeys() failed after several rounds of retry.\r | |
2295 | // set *NeedRetry = FALSE to avoid the outside caller try again.\r | |
2296 | //\r | |
2297 | *NeedRetry = FALSE;\r | |
2298 | return EFI_DEVICE_ERROR;\r | |
2299 | }\r | |
2300 | \r | |
2301 | /**\r | |
2302 | Parsing Sense Keys which got from request sense command.\r | |
2303 | \r | |
2304 | @param ScsiDiskDevice The pointer of SCSI_DISK_DEV\r | |
2305 | @param SenseData The pointer of EFI_SCSI_SENSE_DATA\r | |
2306 | @param NumberOfSenseKeys The number of sense key \r | |
2307 | @param Action The pointer of action which indicates what is need to do next\r | |
2308 | \r | |
2309 | @retval EFI_DEVICE_ERROR Indicates that error occurs\r | |
2310 | @retval EFI_SUCCESS Successfully to complete the parsing\r | |
2311 | \r | |
2312 | **/\r | |
2313 | EFI_STATUS\r | |
2314 | DetectMediaParsingSenseKeys (\r | |
2315 | OUT SCSI_DISK_DEV *ScsiDiskDevice,\r | |
2316 | IN EFI_SCSI_SENSE_DATA *SenseData,\r | |
2317 | IN UINTN NumberOfSenseKeys,\r | |
2318 | OUT UINTN *Action\r | |
2319 | )\r | |
2320 | {\r | |
2321 | BOOLEAN RetryLater;\r | |
2322 | \r | |
2323 | //\r | |
2324 | // Default is to read capacity, unless..\r | |
2325 | //\r | |
2326 | *Action = ACTION_READ_CAPACITY;\r | |
2327 | \r | |
2328 | if (NumberOfSenseKeys == 0) {\r | |
2329 | if (ScsiDiskDevice->BlkIo.Media->MediaPresent == TRUE) {\r | |
2330 | *Action = ACTION_NO_ACTION;\r | |
2331 | }\r | |
2332 | return EFI_SUCCESS;\r | |
2333 | }\r | |
2334 | \r | |
2335 | if (!ScsiDiskHaveSenseKey (SenseData, NumberOfSenseKeys)) {\r | |
2336 | //\r | |
2337 | // No Sense Key returned from last submitted command\r | |
2338 | //\r | |
2339 | if (ScsiDiskDevice->BlkIo.Media->MediaPresent == TRUE) {\r | |
2340 | *Action = ACTION_NO_ACTION;\r | |
2341 | }\r | |
2342 | return EFI_SUCCESS;\r | |
2343 | }\r | |
2344 | \r | |
2345 | if (ScsiDiskIsNoMedia (SenseData, NumberOfSenseKeys)) {\r | |
2346 | ScsiDiskDevice->BlkIo.Media->MediaPresent = FALSE;\r | |
2347 | ScsiDiskDevice->BlkIo.Media->LastBlock = 0;\r | |
2348 | *Action = ACTION_NO_ACTION;\r | |
2349 | DEBUG ((EFI_D_VERBOSE, "ScsiDisk: ScsiDiskIsNoMedia\n"));\r | |
2350 | return EFI_SUCCESS;\r | |
2351 | }\r | |
2352 | \r | |
2353 | if (ScsiDiskIsMediaChange (SenseData, NumberOfSenseKeys)) {\r | |
2354 | ScsiDiskDevice->BlkIo.Media->MediaId++;\r | |
2355 | DEBUG ((EFI_D_VERBOSE, "ScsiDisk: ScsiDiskIsMediaChange!\n"));\r | |
2356 | return EFI_SUCCESS;\r | |
2357 | }\r | |
2358 | \r | |
2359 | if (ScsiDiskIsResetBefore (SenseData, NumberOfSenseKeys)) {\r | |
2360 | *Action = ACTION_RETRY_COMMAND_LATER;\r | |
2361 | DEBUG ((EFI_D_VERBOSE, "ScsiDisk: ScsiDiskIsResetBefore!\n"));\r | |
2362 | return EFI_SUCCESS;\r | |
2363 | }\r | |
2364 | \r | |
2365 | if (ScsiDiskIsMediaError (SenseData, NumberOfSenseKeys)) {\r | |
2366 | DEBUG ((EFI_D_VERBOSE, "ScsiDisk: ScsiDiskIsMediaError\n"));\r | |
2367 | *Action = ACTION_RETRY_WITH_BACKOFF_ALGO;\r | |
2368 | return EFI_DEVICE_ERROR;\r | |
2369 | }\r | |
2370 | \r | |
2371 | if (ScsiDiskIsHardwareError (SenseData, NumberOfSenseKeys)) {\r | |
2372 | DEBUG ((EFI_D_VERBOSE, "ScsiDisk: ScsiDiskIsHardwareError\n"));\r | |
2373 | *Action = ACTION_RETRY_WITH_BACKOFF_ALGO;\r | |
2374 | return EFI_DEVICE_ERROR;\r | |
2375 | }\r | |
2376 | \r | |
2377 | if (!ScsiDiskIsDriveReady (SenseData, NumberOfSenseKeys, &RetryLater)) {\r | |
2378 | if (RetryLater) {\r | |
2379 | *Action = ACTION_RETRY_COMMAND_LATER;\r | |
2380 | DEBUG ((EFI_D_VERBOSE, "ScsiDisk: ScsiDiskDriveNotReady!\n"));\r | |
2381 | return EFI_SUCCESS;\r | |
2382 | }\r | |
2383 | *Action = ACTION_NO_ACTION;\r | |
2384 | return EFI_DEVICE_ERROR;\r | |
2385 | }\r | |
2386 | \r | |
2387 | *Action = ACTION_RETRY_WITH_BACKOFF_ALGO;\r | |
2388 | DEBUG ((EFI_D_VERBOSE, "ScsiDisk: Sense Key = 0x%x ASC = 0x%x!\n", SenseData->Sense_Key, SenseData->Addnl_Sense_Code));\r | |
2389 | return EFI_SUCCESS;\r | |
2390 | }\r | |
2391 | \r | |
2392 | \r | |
2393 | /**\r | |
2394 | Send read capacity command to device and get the device parameter.\r | |
2395 | \r | |
2396 | @param ScsiDiskDevice The pointer of SCSI_DISK_DEV\r | |
2397 | @param NeedRetry The pointer of flag indicates if need a retry\r | |
2398 | @param SenseDataArray The pointer of an array of sense data\r | |
2399 | @param NumberOfSenseKeys The number of sense key\r | |
2400 | \r | |
2401 | @retval EFI_DEVICE_ERROR Indicates that error occurs\r | |
2402 | @retval EFI_SUCCESS Successfully to read capacity or sense data is received.\r | |
2403 | \r | |
2404 | **/\r | |
2405 | EFI_STATUS\r | |
2406 | ScsiDiskReadCapacity (\r | |
2407 | IN OUT SCSI_DISK_DEV *ScsiDiskDevice,\r | |
2408 | OUT BOOLEAN *NeedRetry,\r | |
2409 | OUT EFI_SCSI_SENSE_DATA **SenseDataArray,\r | |
2410 | OUT UINTN *NumberOfSenseKeys\r | |
2411 | )\r | |
2412 | {\r | |
2413 | UINT8 HostAdapterStatus;\r | |
2414 | UINT8 TargetStatus;\r | |
2415 | EFI_STATUS CommandStatus;\r | |
2416 | EFI_STATUS Status;\r | |
2417 | UINT8 Index;\r | |
2418 | UINT8 MaxRetry;\r | |
2419 | UINT8 SenseDataLength;\r | |
2420 | UINT32 DataLength10;\r | |
2421 | UINT32 DataLength16;\r | |
2422 | EFI_SCSI_DISK_CAPACITY_DATA *CapacityData10;\r | |
2423 | EFI_SCSI_DISK_CAPACITY_DATA16 *CapacityData16;\r | |
2424 | \r | |
2425 | CapacityData10 = AllocateAlignedBuffer (ScsiDiskDevice, sizeof (EFI_SCSI_DISK_CAPACITY_DATA));\r | |
2426 | if (CapacityData10 == NULL) {\r | |
2427 | *NeedRetry = FALSE;\r | |
2428 | return EFI_DEVICE_ERROR;\r | |
2429 | }\r | |
2430 | CapacityData16 = AllocateAlignedBuffer (ScsiDiskDevice, sizeof (EFI_SCSI_DISK_CAPACITY_DATA16));\r | |
2431 | if (CapacityData16 == NULL) {\r | |
2432 | FreeAlignedBuffer (CapacityData10, sizeof (EFI_SCSI_DISK_CAPACITY_DATA));\r | |
2433 | *NeedRetry = FALSE;\r | |
2434 | return EFI_DEVICE_ERROR;\r | |
2435 | }\r | |
2436 | \r | |
2437 | SenseDataLength = 0;\r | |
2438 | DataLength10 = sizeof (EFI_SCSI_DISK_CAPACITY_DATA);\r | |
2439 | DataLength16 = sizeof (EFI_SCSI_DISK_CAPACITY_DATA16);\r | |
2440 | ZeroMem (CapacityData10, sizeof (EFI_SCSI_DISK_CAPACITY_DATA));\r | |
2441 | ZeroMem (CapacityData16, sizeof (EFI_SCSI_DISK_CAPACITY_DATA16));\r | |
2442 | \r | |
2443 | *NumberOfSenseKeys = 0;\r | |
2444 | *NeedRetry = FALSE;\r | |
2445 | \r | |
2446 | //\r | |
2447 | // submit Read Capacity(10) Command. If it returns capacity of FFFFFFFFh, \r | |
2448 | // 16 byte command should be used to access large hard disk >2TB\r | |
2449 | //\r | |
2450 | CommandStatus = ScsiReadCapacityCommand (\r | |
2451 | ScsiDiskDevice->ScsiIo,\r | |
2452 | SCSI_DISK_TIMEOUT,\r | |
2453 | NULL,\r | |
2454 | &SenseDataLength,\r | |
2455 | &HostAdapterStatus,\r | |
2456 | &TargetStatus,\r | |
2457 | (VOID *) CapacityData10,\r | |
2458 | &DataLength10,\r | |
2459 | FALSE\r | |
2460 | );\r | |
2461 | \r | |
2462 | ScsiDiskDevice->Cdb16Byte = FALSE;\r | |
2463 | if ((!EFI_ERROR (CommandStatus)) && (CapacityData10->LastLba3 == 0xff) && (CapacityData10->LastLba2 == 0xff) &&\r | |
2464 | (CapacityData10->LastLba1 == 0xff) && (CapacityData10->LastLba0 == 0xff)) {\r | |
2465 | //\r | |
2466 | // use Read Capacity (16), Read (16) and Write (16) next when hard disk size > 2TB\r | |
2467 | //\r | |
2468 | ScsiDiskDevice->Cdb16Byte = TRUE;\r | |
2469 | //\r | |
2470 | // submit Read Capacity(16) Command to get parameter LogicalBlocksPerPhysicalBlock\r | |
2471 | // and LowestAlignedLba\r | |
2472 | //\r | |
2473 | CommandStatus = ScsiReadCapacity16Command (\r | |
2474 | ScsiDiskDevice->ScsiIo,\r | |
2475 | SCSI_DISK_TIMEOUT,\r | |
2476 | NULL,\r | |
2477 | &SenseDataLength,\r | |
2478 | &HostAdapterStatus,\r | |
2479 | &TargetStatus,\r | |
2480 | (VOID *) CapacityData16,\r | |
2481 | &DataLength16,\r | |
2482 | FALSE\r | |
2483 | );\r | |
2484 | }\r | |
2485 | \r | |
2486 | //\r | |
2487 | // no need to check HostAdapterStatus and TargetStatus\r | |
2488 | //\r | |
2489 | if (CommandStatus == EFI_SUCCESS) {\r | |
2490 | GetMediaInfo (ScsiDiskDevice, CapacityData10, CapacityData16);\r | |
2491 | FreeAlignedBuffer (CapacityData10, sizeof (EFI_SCSI_DISK_CAPACITY_DATA));\r | |
2492 | FreeAlignedBuffer (CapacityData16, sizeof (EFI_SCSI_DISK_CAPACITY_DATA16));\r | |
2493 | return EFI_SUCCESS;\r | |
2494 | }\r | |
2495 | \r | |
2496 | FreeAlignedBuffer (CapacityData10, sizeof (EFI_SCSI_DISK_CAPACITY_DATA));\r | |
2497 | FreeAlignedBuffer (CapacityData16, sizeof (EFI_SCSI_DISK_CAPACITY_DATA16));\r | |
2498 | \r | |
2499 | if (CommandStatus == EFI_NOT_READY) {\r | |
2500 | *NeedRetry = TRUE;\r | |
2501 | return EFI_DEVICE_ERROR;\r | |
2502 | } else if ((CommandStatus == EFI_INVALID_PARAMETER) || (CommandStatus == EFI_UNSUPPORTED)) {\r | |
2503 | *NeedRetry = FALSE;\r | |
2504 | return EFI_DEVICE_ERROR;\r | |
2505 | }\r | |
2506 | \r | |
2507 | //\r | |
2508 | // go ahead to check HostAdapterStatus and TargetStatus\r | |
2509 | // (EFI_TIMEOUT, EFI_DEVICE_ERROR, EFI_WARN_BUFFER_TOO_SMALL)\r | |
2510 | //\r | |
2511 | \r | |
2512 | Status = CheckHostAdapterStatus (HostAdapterStatus);\r | |
2513 | if ((Status == EFI_TIMEOUT) || (Status == EFI_NOT_READY)) {\r | |
2514 | *NeedRetry = TRUE;\r | |
2515 | return EFI_DEVICE_ERROR;\r | |
2516 | \r | |
2517 | } else if (Status == EFI_DEVICE_ERROR) {\r | |
2518 | //\r | |
2519 | // reset the scsi channel\r | |
2520 | //\r | |
2521 | ScsiDiskDevice->ScsiIo->ResetBus (ScsiDiskDevice->ScsiIo);\r | |
2522 | *NeedRetry = FALSE;\r | |
2523 | return EFI_DEVICE_ERROR;\r | |
2524 | }\r | |
2525 | \r | |
2526 | Status = CheckTargetStatus (TargetStatus);\r | |
2527 | if (Status == EFI_NOT_READY) {\r | |
2528 | //\r | |
2529 | // reset the scsi device\r | |
2530 | //\r | |
2531 | ScsiDiskDevice->ScsiIo->ResetDevice (ScsiDiskDevice->ScsiIo);\r | |
2532 | *NeedRetry = TRUE;\r | |
2533 | return EFI_DEVICE_ERROR;\r | |
2534 | \r | |
2535 | } else if (Status == EFI_DEVICE_ERROR) {\r | |
2536 | *NeedRetry = FALSE;\r | |
2537 | return EFI_DEVICE_ERROR;\r | |
2538 | }\r | |
2539 | \r | |
2540 | //\r | |
2541 | // if goes here, meant ScsiReadCapacityCommand() failed.\r | |
2542 | // if ScsiDiskRequestSenseKeys() succeeds at last,\r | |
2543 | // better retry ScsiReadCapacityCommand(). (by setting *NeedRetry = TRUE)\r | |
2544 | //\r | |
2545 | MaxRetry = 3;\r | |
2546 | for (Index = 0; Index < MaxRetry; Index++) {\r | |
2547 | \r | |
2548 | Status = ScsiDiskRequestSenseKeys (\r | |
2549 | ScsiDiskDevice,\r | |
2550 | NeedRetry,\r | |
2551 | SenseDataArray,\r | |
2552 | NumberOfSenseKeys,\r | |
2553 | TRUE\r | |
2554 | );\r | |
2555 | if (!EFI_ERROR (Status)) {\r | |
2556 | return EFI_SUCCESS;\r | |
2557 | }\r | |
2558 | \r | |
2559 | if (!*NeedRetry) {\r | |
2560 | return EFI_DEVICE_ERROR;\r | |
2561 | }\r | |
2562 | }\r | |
2563 | //\r | |
2564 | // ScsiDiskRequestSenseKeys() failed after several rounds of retry.\r | |
2565 | // set *NeedRetry = FALSE to avoid the outside caller try again.\r | |
2566 | //\r | |
2567 | *NeedRetry = FALSE;\r | |
2568 | return EFI_DEVICE_ERROR;\r | |
2569 | }\r | |
2570 | \r | |
2571 | /**\r | |
2572 | Check the HostAdapter status and re-interpret it in EFI_STATUS.\r | |
2573 | \r | |
2574 | @param HostAdapterStatus Host Adapter status\r | |
2575 | \r | |
2576 | @retval EFI_SUCCESS Host adapter is OK.\r | |
2577 | @retval EFI_TIMEOUT Timeout.\r | |
2578 | @retval EFI_NOT_READY Adapter NOT ready.\r | |
2579 | @retval EFI_DEVICE_ERROR Adapter device error.\r | |
2580 | \r | |
2581 | **/\r | |
2582 | EFI_STATUS\r | |
2583 | CheckHostAdapterStatus (\r | |
2584 | IN UINT8 HostAdapterStatus\r | |
2585 | )\r | |
2586 | {\r | |
2587 | switch (HostAdapterStatus) {\r | |
2588 | case EFI_EXT_SCSI_STATUS_HOST_ADAPTER_OK:\r | |
2589 | return EFI_SUCCESS;\r | |
2590 | \r | |
2591 | case EFI_EXT_SCSI_STATUS_HOST_ADAPTER_SELECTION_TIMEOUT:\r | |
2592 | case EFI_EXT_SCSI_STATUS_HOST_ADAPTER_TIMEOUT:\r | |
2593 | case EFI_EXT_SCSI_STATUS_HOST_ADAPTER_TIMEOUT_COMMAND:\r | |
2594 | return EFI_TIMEOUT;\r | |
2595 | \r | |
2596 | case EFI_EXT_SCSI_STATUS_HOST_ADAPTER_MESSAGE_REJECT:\r | |
2597 | case EFI_EXT_SCSI_STATUS_HOST_ADAPTER_PARITY_ERROR:\r | |
2598 | case EFI_EXT_SCSI_STATUS_HOST_ADAPTER_REQUEST_SENSE_FAILED:\r | |
2599 | case EFI_EXT_SCSI_STATUS_HOST_ADAPTER_DATA_OVERRUN_UNDERRUN:\r | |
2600 | case EFI_EXT_SCSI_STATUS_HOST_ADAPTER_BUS_RESET:\r | |
2601 | return EFI_NOT_READY;\r | |
2602 | \r | |
2603 | case EFI_EXT_SCSI_STATUS_HOST_ADAPTER_BUS_FREE:\r | |
2604 | case EFI_EXT_SCSI_STATUS_HOST_ADAPTER_PHASE_ERROR:\r | |
2605 | return EFI_DEVICE_ERROR;\r | |
2606 | \r | |
2607 | default:\r | |
2608 | return EFI_SUCCESS;\r | |
2609 | }\r | |
2610 | }\r | |
2611 | \r | |
2612 | \r | |
2613 | /**\r | |
2614 | Check the target status and re-interpret it in EFI_STATUS.\r | |
2615 | \r | |
2616 | @param TargetStatus Target status\r | |
2617 | \r | |
2618 | @retval EFI_NOT_READY Device is NOT ready.\r | |
2619 | @retval EFI_DEVICE_ERROR \r | |
2620 | @retval EFI_SUCCESS\r | |
2621 | \r | |
2622 | **/\r | |
2623 | EFI_STATUS\r | |
2624 | CheckTargetStatus (\r | |
2625 | IN UINT8 TargetStatus\r | |
2626 | )\r | |
2627 | {\r | |
2628 | switch (TargetStatus) {\r | |
2629 | case EFI_EXT_SCSI_STATUS_TARGET_GOOD:\r | |
2630 | case EFI_EXT_SCSI_STATUS_TARGET_CHECK_CONDITION:\r | |
2631 | case EFI_EXT_SCSI_STATUS_TARGET_CONDITION_MET:\r | |
2632 | return EFI_SUCCESS;\r | |
2633 | \r | |
2634 | case EFI_EXT_SCSI_STATUS_TARGET_INTERMEDIATE:\r | |
2635 | case EFI_EXT_SCSI_STATUS_TARGET_INTERMEDIATE_CONDITION_MET:\r | |
2636 | case EFI_EXT_SCSI_STATUS_TARGET_BUSY:\r | |
2637 | case EFI_EXT_SCSI_STATUS_TARGET_TASK_SET_FULL:\r | |
2638 | return EFI_NOT_READY;\r | |
2639 | \r | |
2640 | case EFI_EXT_SCSI_STATUS_TARGET_RESERVATION_CONFLICT:\r | |
2641 | return EFI_DEVICE_ERROR;\r | |
2642 | \r | |
2643 | default:\r | |
2644 | return EFI_SUCCESS;\r | |
2645 | }\r | |
2646 | }\r | |
2647 | \r | |
2648 | \r | |
2649 | /**\r | |
2650 | Retrieve all sense keys from the device.\r | |
2651 | \r | |
2652 | When encountering error during the process, if retrieve sense keys before\r | |
2653 | error encountered, it returns the sense keys with return status set to EFI_SUCCESS,\r | |
2654 | and NeedRetry set to FALSE; otherwize, return the proper return status.\r | |
2655 | \r | |
2656 | @param ScsiDiskDevice The pointer of SCSI_DISK_DEV\r | |
2657 | @param NeedRetry The pointer of flag indicates if need a retry\r | |
2658 | @param SenseDataArray The pointer of an array of sense data\r | |
2659 | @param NumberOfSenseKeys The number of sense key\r | |
2660 | @param AskResetIfError The flag indicates if need reset when error occurs\r | |
2661 | \r | |
2662 | @retval EFI_DEVICE_ERROR Indicates that error occurs\r | |
2663 | @retval EFI_SUCCESS Successfully to request sense key\r | |
2664 | \r | |
2665 | **/\r | |
2666 | EFI_STATUS\r | |
2667 | ScsiDiskRequestSenseKeys (\r | |
2668 | IN OUT SCSI_DISK_DEV *ScsiDiskDevice,\r | |
2669 | OUT BOOLEAN *NeedRetry,\r | |
2670 | OUT EFI_SCSI_SENSE_DATA **SenseDataArray,\r | |
2671 | OUT UINTN *NumberOfSenseKeys,\r | |
2672 | IN BOOLEAN AskResetIfError\r | |
2673 | )\r | |
2674 | {\r | |
2675 | EFI_SCSI_SENSE_DATA *PtrSenseData;\r | |
2676 | UINT8 SenseDataLength;\r | |
2677 | BOOLEAN SenseReq;\r | |
2678 | EFI_STATUS Status;\r | |
2679 | EFI_STATUS FallStatus;\r | |
2680 | UINT8 HostAdapterStatus;\r | |
2681 | UINT8 TargetStatus;\r | |
2682 | \r | |
2683 | FallStatus = EFI_SUCCESS;\r | |
2684 | SenseDataLength = (UINT8) sizeof (EFI_SCSI_SENSE_DATA);\r | |
2685 | \r | |
2686 | ZeroMem (\r | |
2687 | ScsiDiskDevice->SenseData,\r | |
2688 | sizeof (EFI_SCSI_SENSE_DATA) * (ScsiDiskDevice->SenseDataNumber)\r | |
2689 | );\r | |
2690 | \r | |
2691 | *NumberOfSenseKeys = 0;\r | |
2692 | *SenseDataArray = ScsiDiskDevice->SenseData;\r | |
2693 | Status = EFI_SUCCESS;\r | |
2694 | PtrSenseData = AllocateAlignedBuffer (ScsiDiskDevice, sizeof (EFI_SCSI_SENSE_DATA));\r | |
2695 | if (PtrSenseData == NULL) {\r | |
2696 | return EFI_DEVICE_ERROR;\r | |
2697 | }\r | |
2698 | \r | |
2699 | for (SenseReq = TRUE; SenseReq;) {\r | |
2700 | ZeroMem (PtrSenseData, sizeof (EFI_SCSI_SENSE_DATA));\r | |
2701 | Status = ScsiRequestSenseCommand (\r | |
2702 | ScsiDiskDevice->ScsiIo,\r | |
2703 | SCSI_DISK_TIMEOUT,\r | |
2704 | PtrSenseData,\r | |
2705 | &SenseDataLength,\r | |
2706 | &HostAdapterStatus,\r | |
2707 | &TargetStatus\r | |
2708 | );\r | |
2709 | if ((Status == EFI_SUCCESS) || (Status == EFI_WARN_BUFFER_TOO_SMALL)) {\r | |
2710 | FallStatus = EFI_SUCCESS;\r | |
2711 | \r | |
2712 | } else if ((Status == EFI_TIMEOUT) || (Status == EFI_NOT_READY)) {\r | |
2713 | *NeedRetry = TRUE;\r | |
2714 | FallStatus = EFI_DEVICE_ERROR;\r | |
2715 | \r | |
2716 | } else if ((Status == EFI_INVALID_PARAMETER) || (Status == EFI_UNSUPPORTED)) {\r | |
2717 | *NeedRetry = FALSE;\r | |
2718 | FallStatus = EFI_DEVICE_ERROR;\r | |
2719 | \r | |
2720 | } else if (Status == EFI_DEVICE_ERROR) {\r | |
2721 | if (AskResetIfError) {\r | |
2722 | ScsiDiskDevice->ScsiIo->ResetDevice (ScsiDiskDevice->ScsiIo);\r | |
2723 | }\r | |
2724 | \r | |
2725 | FallStatus = EFI_DEVICE_ERROR;\r | |
2726 | }\r | |
2727 | \r | |
2728 | if (EFI_ERROR (FallStatus)) {\r | |
2729 | if (*NumberOfSenseKeys != 0) {\r | |
2730 | *NeedRetry = FALSE;\r | |
2731 | Status = EFI_SUCCESS;\r | |
2732 | goto EXIT;\r | |
2733 | } else {\r | |
2734 | Status = EFI_DEVICE_ERROR;\r | |
2735 | goto EXIT;\r | |
2736 | }\r | |
2737 | }\r | |
2738 | \r | |
2739 | CopyMem (ScsiDiskDevice->SenseData + *NumberOfSenseKeys, PtrSenseData, SenseDataLength);\r | |
2740 | (*NumberOfSenseKeys) += 1;\r | |
2741 | \r | |
2742 | //\r | |
2743 | // no more sense key or number of sense keys exceeds predefined,\r | |
2744 | // skip the loop.\r | |
2745 | //\r | |
2746 | if ((PtrSenseData->Sense_Key == EFI_SCSI_SK_NO_SENSE) || \r | |
2747 | (*NumberOfSenseKeys == ScsiDiskDevice->SenseDataNumber)) {\r | |
2748 | SenseReq = FALSE;\r | |
2749 | }\r | |
2750 | }\r | |
2751 | \r | |
2752 | EXIT:\r | |
2753 | FreeAlignedBuffer (PtrSenseData, sizeof (EFI_SCSI_SENSE_DATA));\r | |
2754 | return Status;\r | |
2755 | }\r | |
2756 | \r | |
2757 | \r | |
2758 | /**\r | |
2759 | Get information from media read capacity command.\r | |
2760 | \r | |
2761 | @param ScsiDiskDevice The pointer of SCSI_DISK_DEV\r | |
2762 | @param Capacity10 The pointer of EFI_SCSI_DISK_CAPACITY_DATA\r | |
2763 | @param Capacity16 The pointer of EFI_SCSI_DISK_CAPACITY_DATA16\r | |
2764 | \r | |
2765 | **/\r | |
2766 | VOID\r | |
2767 | GetMediaInfo (\r | |
2768 | IN OUT SCSI_DISK_DEV *ScsiDiskDevice,\r | |
2769 | IN EFI_SCSI_DISK_CAPACITY_DATA *Capacity10,\r | |
2770 | IN EFI_SCSI_DISK_CAPACITY_DATA16 *Capacity16\r | |
2771 | )\r | |
2772 | {\r | |
2773 | UINT8 *Ptr;\r | |
2774 | \r | |
2775 | if (!ScsiDiskDevice->Cdb16Byte) {\r | |
2776 | ScsiDiskDevice->BlkIo.Media->LastBlock = ((UINT32) Capacity10->LastLba3 << 24) |\r | |
2777 | (Capacity10->LastLba2 << 16) |\r | |
2778 | (Capacity10->LastLba1 << 8) |\r | |
2779 | Capacity10->LastLba0;\r | |
2780 | \r | |
2781 | ScsiDiskDevice->BlkIo.Media->BlockSize = (Capacity10->BlockSize3 << 24) |\r | |
2782 | (Capacity10->BlockSize2 << 16) | \r | |
2783 | (Capacity10->BlockSize1 << 8) |\r | |
2784 | Capacity10->BlockSize0;\r | |
2785 | ScsiDiskDevice->BlkIo.Media->LowestAlignedLba = 0;\r | |
2786 | ScsiDiskDevice->BlkIo.Media->LogicalBlocksPerPhysicalBlock = 0;\r | |
2787 | if (!ScsiDiskDevice->BlockLimitsVpdSupported) {\r | |
2788 | ScsiDiskDevice->UnmapInfo.MaxLbaCnt = (UINT32) ScsiDiskDevice->BlkIo.Media->LastBlock;\r | |
2789 | }\r | |
2790 | } else {\r | |
2791 | Ptr = (UINT8*)&ScsiDiskDevice->BlkIo.Media->LastBlock;\r | |
2792 | *Ptr++ = Capacity16->LastLba0;\r | |
2793 | *Ptr++ = Capacity16->LastLba1;\r | |
2794 | *Ptr++ = Capacity16->LastLba2;\r | |
2795 | *Ptr++ = Capacity16->LastLba3;\r | |
2796 | *Ptr++ = Capacity16->LastLba4;\r | |
2797 | *Ptr++ = Capacity16->LastLba5;\r | |
2798 | *Ptr++ = Capacity16->LastLba6;\r | |
2799 | *Ptr = Capacity16->LastLba7;\r | |
2800 | \r | |
2801 | ScsiDiskDevice->BlkIo.Media->BlockSize = (Capacity16->BlockSize3 << 24) |\r | |
2802 | (Capacity16->BlockSize2 << 16) | \r | |
2803 | (Capacity16->BlockSize1 << 8) |\r | |
2804 | Capacity16->BlockSize0;\r | |
2805 | \r | |
2806 | ScsiDiskDevice->BlkIo.Media->LowestAlignedLba = (Capacity16->LowestAlignLogic2 << 8) |\r | |
2807 | Capacity16->LowestAlignLogic1;\r | |
2808 | ScsiDiskDevice->BlkIo.Media->LogicalBlocksPerPhysicalBlock = (1 << Capacity16->LogicPerPhysical);\r | |
2809 | if (!ScsiDiskDevice->BlockLimitsVpdSupported) {\r | |
2810 | if (ScsiDiskDevice->BlkIo.Media->LastBlock > (UINT32) -1) {\r | |
2811 | ScsiDiskDevice->UnmapInfo.MaxLbaCnt = (UINT32) -1;\r | |
2812 | } else {\r | |
2813 | ScsiDiskDevice->UnmapInfo.MaxLbaCnt = (UINT32) ScsiDiskDevice->BlkIo.Media->LastBlock;\r | |
2814 | }\r | |
2815 | }\r | |
2816 | }\r | |
2817 | \r | |
2818 | ScsiDiskDevice->BlkIo.Media->MediaPresent = TRUE;\r | |
2819 | }\r | |
2820 | \r | |
2821 | /**\r | |
2822 | Parse Inquiry data.\r | |
2823 | \r | |
2824 | @param ScsiDiskDevice The pointer of SCSI_DISK_DEV\r | |
2825 | \r | |
2826 | **/\r | |
2827 | VOID\r | |
2828 | ParseInquiryData (\r | |
2829 | IN OUT SCSI_DISK_DEV *ScsiDiskDevice\r | |
2830 | )\r | |
2831 | {\r | |
2832 | ScsiDiskDevice->FixedDevice = (BOOLEAN) ((ScsiDiskDevice->InquiryData.Rmb == 1) ? 0 : 1);\r | |
2833 | ScsiDiskDevice->BlkIoMedia.RemovableMedia = (BOOLEAN) (!ScsiDiskDevice->FixedDevice);\r | |
2834 | }\r | |
2835 | \r | |
2836 | /**\r | |
2837 | Read sector from SCSI Disk.\r | |
2838 | \r | |
2839 | @param ScsiDiskDevice The pointer of SCSI_DISK_DEV\r | |
2840 | @param Buffer The buffer to fill in the read out data\r | |
2841 | @param Lba Logic block address\r | |
2842 | @param NumberOfBlocks The number of blocks to read\r | |
2843 | \r | |
2844 | @retval EFI_DEVICE_ERROR Indicates a device error.\r | |
2845 | @retval EFI_SUCCESS Operation is successful.\r | |
2846 | \r | |
2847 | **/\r | |
2848 | EFI_STATUS\r | |
2849 | ScsiDiskReadSectors (\r | |
2850 | IN SCSI_DISK_DEV *ScsiDiskDevice,\r | |
2851 | OUT VOID *Buffer,\r | |
2852 | IN EFI_LBA Lba,\r | |
2853 | IN UINTN NumberOfBlocks\r | |
2854 | )\r | |
2855 | {\r | |
2856 | UINTN BlocksRemaining;\r | |
2857 | UINT8 *PtrBuffer;\r | |
2858 | UINT32 BlockSize;\r | |
2859 | UINT32 ByteCount;\r | |
2860 | UINT32 MaxBlock;\r | |
2861 | UINT32 SectorCount;\r | |
2862 | UINT32 NextSectorCount;\r | |
2863 | UINT64 Timeout;\r | |
2864 | EFI_STATUS Status;\r | |
2865 | UINT8 Index;\r | |
2866 | UINT8 MaxRetry;\r | |
2867 | BOOLEAN NeedRetry;\r | |
2868 | \r | |
2869 | Status = EFI_SUCCESS;\r | |
2870 | \r | |
2871 | BlocksRemaining = NumberOfBlocks;\r | |
2872 | BlockSize = ScsiDiskDevice->BlkIo.Media->BlockSize;\r | |
2873 | \r | |
2874 | //\r | |
2875 | // limit the data bytes that can be transferred by one Read(10) or Read(16) Command\r | |
2876 | //\r | |
2877 | if (!ScsiDiskDevice->Cdb16Byte) {\r | |
2878 | MaxBlock = 0xFFFF;\r | |
2879 | } else {\r | |
2880 | MaxBlock = 0xFFFFFFFF;\r | |
2881 | }\r | |
2882 | \r | |
2883 | PtrBuffer = Buffer;\r | |
2884 | \r | |
2885 | while (BlocksRemaining > 0) {\r | |
2886 | \r | |
2887 | if (BlocksRemaining <= MaxBlock) {\r | |
2888 | if (!ScsiDiskDevice->Cdb16Byte) {\r | |
2889 | SectorCount = (UINT16) BlocksRemaining;\r | |
2890 | } else {\r | |
2891 | SectorCount = (UINT32) BlocksRemaining;\r | |
2892 | }\r | |
2893 | } else {\r | |
2894 | SectorCount = MaxBlock;\r | |
2895 | }\r | |
2896 | \r | |
2897 | ByteCount = SectorCount * BlockSize;\r | |
2898 | //\r | |
2899 | // |------------------------|-----------------|------------------|-----------------|\r | |
2900 | // | ATA Transfer Mode | Transfer Rate | SCSI Interface | Transfer Rate |\r | |
2901 | // |------------------------|-----------------|------------------|-----------------|\r | |
2902 | // | PIO Mode 0 | 3.3Mbytes/sec | SCSI-1 | 5Mbytes/sec |\r | |
2903 | // |------------------------|-----------------|------------------|-----------------|\r | |
2904 | // | PIO Mode 1 | 5.2Mbytes/sec | Fast SCSI | 10Mbytes/sec |\r | |
2905 | // |------------------------|-----------------|------------------|-----------------|\r | |
2906 | // | PIO Mode 2 | 8.3Mbytes/sec | Fast-Wide SCSI | 20Mbytes/sec |\r | |
2907 | // |------------------------|-----------------|------------------|-----------------|\r | |
2908 | // | PIO Mode 3 | 11.1Mbytes/sec | Ultra SCSI | 20Mbytes/sec |\r | |
2909 | // |------------------------|-----------------|------------------|-----------------|\r | |
2910 | // | PIO Mode 4 | 16.6Mbytes/sec | Ultra Wide SCSI | 40Mbytes/sec |\r | |
2911 | // |------------------------|-----------------|------------------|-----------------|\r | |
2912 | // | Single-word DMA Mode 0 | 2.1Mbytes/sec | Ultra2 SCSI | 40Mbytes/sec |\r | |
2913 | // |------------------------|-----------------|------------------|-----------------|\r | |
2914 | // | Single-word DMA Mode 1 | 4.2Mbytes/sec | Ultra2 Wide SCSI | 80Mbytes/sec |\r | |
2915 | // |------------------------|-----------------|------------------|-----------------|\r | |
2916 | // | Single-word DMA Mode 2 | 8.4Mbytes/sec | Ultra3 SCSI | 160Mbytes/sec |\r | |
2917 | // |------------------------|-----------------|------------------|-----------------|\r | |
2918 | // | Multi-word DMA Mode 0 | 4.2Mbytes/sec | Ultra-320 SCSI | 320Mbytes/sec |\r | |
2919 | // |------------------------|-----------------|------------------|-----------------|\r | |
2920 | // | Multi-word DMA Mode 1 | 13.3Mbytes/sec | Ultra-640 SCSI | 640Mbytes/sec |\r | |
2921 | // |------------------------|-----------------|------------------|-----------------|\r | |
2922 | //\r | |
2923 | // As ScsiDisk and ScsiBus driver are used to manage SCSI or ATAPI devices, we have to use\r | |
2924 | // the lowest transfer rate to calculate the possible maximum timeout value for each operation.\r | |
2925 | // From the above table, we could know 2.1Mbytes per second is lowest one.\r | |
2926 | // The timout value is rounded up to nearest integar and here an additional 30s is added\r | |
2927 | // to follow ATA spec in which it mentioned that the device may take up to 30s to respond\r | |
2928 | // commands in the Standby/Idle mode.\r | |
2929 | //\r | |
2930 | Timeout = EFI_TIMER_PERIOD_SECONDS (ByteCount / 2100000 + 31);\r | |
2931 | \r | |
2932 | MaxRetry = 2;\r | |
2933 | for (Index = 0; Index < MaxRetry; Index++) {\r | |
2934 | if (!ScsiDiskDevice->Cdb16Byte) {\r | |
2935 | Status = ScsiDiskRead10 (\r | |
2936 | ScsiDiskDevice,\r | |
2937 | &NeedRetry,\r | |
2938 | Timeout,\r | |
2939 | PtrBuffer,\r | |
2940 | &ByteCount,\r | |
2941 | (UINT32) Lba,\r | |
2942 | SectorCount\r | |
2943 | );\r | |
2944 | } else {\r | |
2945 | Status = ScsiDiskRead16 (\r | |
2946 | ScsiDiskDevice,\r | |
2947 | &NeedRetry,\r | |
2948 | Timeout,\r | |
2949 | PtrBuffer,\r | |
2950 | &ByteCount,\r | |
2951 | Lba,\r | |
2952 | SectorCount\r | |
2953 | );\r | |
2954 | }\r | |
2955 | if (!EFI_ERROR (Status)) {\r | |
2956 | break;\r | |
2957 | }\r | |
2958 | \r | |
2959 | if (!NeedRetry) {\r | |
2960 | return EFI_DEVICE_ERROR;\r | |
2961 | }\r | |
2962 | \r | |
2963 | //\r | |
2964 | // We need to retry. However, if ScsiDiskRead10() or ScsiDiskRead16() has\r | |
2965 | // lowered ByteCount on output, we must make sure that we lower\r | |
2966 | // SectorCount accordingly. SectorCount will be encoded in the CDB, and\r | |
2967 | // it is invalid to request more sectors in the CDB than the entire\r | |
2968 | // transfer (ie. ByteCount) can carry.\r | |
2969 | //\r | |
2970 | // In addition, ByteCount is only expected to go down, or stay unchaged.\r | |
2971 | // Therefore we don't need to update Timeout: the original timeout should\r | |
2972 | // accommodate shorter transfers too.\r | |
2973 | //\r | |
2974 | NextSectorCount = ByteCount / BlockSize;\r | |
2975 | if (NextSectorCount < SectorCount) {\r | |
2976 | SectorCount = NextSectorCount;\r | |
2977 | //\r | |
2978 | // Account for any rounding down.\r | |
2979 | //\r | |
2980 | ByteCount = SectorCount * BlockSize;\r | |
2981 | }\r | |
2982 | }\r | |
2983 | \r | |
2984 | if ((Index == MaxRetry) && (Status != EFI_SUCCESS)) {\r | |
2985 | return EFI_DEVICE_ERROR;\r | |
2986 | }\r | |
2987 | \r | |
2988 | //\r | |
2989 | // actual transferred sectors\r | |
2990 | //\r | |
2991 | SectorCount = ByteCount / BlockSize;\r | |
2992 | \r | |
2993 | Lba += SectorCount;\r | |
2994 | PtrBuffer = PtrBuffer + SectorCount * BlockSize;\r | |
2995 | BlocksRemaining -= SectorCount;\r | |
2996 | }\r | |
2997 | \r | |
2998 | return EFI_SUCCESS;\r | |
2999 | }\r | |
3000 | \r | |
3001 | /**\r | |
3002 | Write sector to SCSI Disk.\r | |
3003 | \r | |
3004 | @param ScsiDiskDevice The pointer of SCSI_DISK_DEV\r | |
3005 | @param Buffer The buffer of data to be written into SCSI Disk\r | |
3006 | @param Lba Logic block address\r | |
3007 | @param NumberOfBlocks The number of blocks to read\r | |
3008 | \r | |
3009 | @retval EFI_DEVICE_ERROR Indicates a device error.\r | |
3010 | @retval EFI_SUCCESS Operation is successful.\r | |
3011 | \r | |
3012 | **/\r | |
3013 | EFI_STATUS\r | |
3014 | ScsiDiskWriteSectors (\r | |
3015 | IN SCSI_DISK_DEV *ScsiDiskDevice,\r | |
3016 | IN VOID *Buffer,\r | |
3017 | IN EFI_LBA Lba,\r | |
3018 | IN UINTN NumberOfBlocks\r | |
3019 | )\r | |
3020 | {\r | |
3021 | UINTN BlocksRemaining;\r | |
3022 | UINT8 *PtrBuffer;\r | |
3023 | UINT32 BlockSize;\r | |
3024 | UINT32 ByteCount;\r | |
3025 | UINT32 MaxBlock;\r | |
3026 | UINT32 SectorCount;\r | |
3027 | UINT32 NextSectorCount;\r | |
3028 | UINT64 Timeout;\r | |
3029 | EFI_STATUS Status;\r | |
3030 | UINT8 Index;\r | |
3031 | UINT8 MaxRetry;\r | |
3032 | BOOLEAN NeedRetry;\r | |
3033 | \r | |
3034 | Status = EFI_SUCCESS;\r | |
3035 | \r | |
3036 | BlocksRemaining = NumberOfBlocks;\r | |
3037 | BlockSize = ScsiDiskDevice->BlkIo.Media->BlockSize;\r | |
3038 | \r | |
3039 | //\r | |
3040 | // limit the data bytes that can be transferred by one Read(10) or Read(16) Command\r | |
3041 | //\r | |
3042 | if (!ScsiDiskDevice->Cdb16Byte) {\r | |
3043 | MaxBlock = 0xFFFF;\r | |
3044 | } else {\r | |
3045 | MaxBlock = 0xFFFFFFFF;\r | |
3046 | }\r | |
3047 | \r | |
3048 | PtrBuffer = Buffer;\r | |
3049 | \r | |
3050 | while (BlocksRemaining > 0) {\r | |
3051 | \r | |
3052 | if (BlocksRemaining <= MaxBlock) {\r | |
3053 | if (!ScsiDiskDevice->Cdb16Byte) {\r | |
3054 | SectorCount = (UINT16) BlocksRemaining;\r | |
3055 | } else {\r | |
3056 | SectorCount = (UINT32) BlocksRemaining;\r | |
3057 | }\r | |
3058 | } else {\r | |
3059 | SectorCount = MaxBlock;\r | |
3060 | }\r | |
3061 | \r | |
3062 | ByteCount = SectorCount * BlockSize;\r | |
3063 | //\r | |
3064 | // |------------------------|-----------------|------------------|-----------------|\r | |
3065 | // | ATA Transfer Mode | Transfer Rate | SCSI Interface | Transfer Rate |\r | |
3066 | // |------------------------|-----------------|------------------|-----------------|\r | |
3067 | // | PIO Mode 0 | 3.3Mbytes/sec | SCSI-1 | 5Mbytes/sec |\r | |
3068 | // |------------------------|-----------------|------------------|-----------------|\r | |
3069 | // | PIO Mode 1 | 5.2Mbytes/sec | Fast SCSI | 10Mbytes/sec |\r | |
3070 | // |------------------------|-----------------|------------------|-----------------|\r | |
3071 | // | PIO Mode 2 | 8.3Mbytes/sec | Fast-Wide SCSI | 20Mbytes/sec |\r | |
3072 | // |------------------------|-----------------|------------------|-----------------|\r | |
3073 | // | PIO Mode 3 | 11.1Mbytes/sec | Ultra SCSI | 20Mbytes/sec |\r | |
3074 | // |------------------------|-----------------|------------------|-----------------|\r | |
3075 | // | PIO Mode 4 | 16.6Mbytes/sec | Ultra Wide SCSI | 40Mbytes/sec |\r | |
3076 | // |------------------------|-----------------|------------------|-----------------|\r | |
3077 | // | Single-word DMA Mode 0 | 2.1Mbytes/sec | Ultra2 SCSI | 40Mbytes/sec |\r | |
3078 | // |------------------------|-----------------|------------------|-----------------|\r | |
3079 | // | Single-word DMA Mode 1 | 4.2Mbytes/sec | Ultra2 Wide SCSI | 80Mbytes/sec |\r | |
3080 | // |------------------------|-----------------|------------------|-----------------|\r | |
3081 | // | Single-word DMA Mode 2 | 8.4Mbytes/sec | Ultra3 SCSI | 160Mbytes/sec |\r | |
3082 | // |------------------------|-----------------|------------------|-----------------|\r | |
3083 | // | Multi-word DMA Mode 0 | 4.2Mbytes/sec | Ultra-320 SCSI | 320Mbytes/sec |\r | |
3084 | // |------------------------|-----------------|------------------|-----------------|\r | |
3085 | // | Multi-word DMA Mode 1 | 13.3Mbytes/sec | Ultra-640 SCSI | 640Mbytes/sec |\r | |
3086 | // |------------------------|-----------------|------------------|-----------------|\r | |
3087 | //\r | |
3088 | // As ScsiDisk and ScsiBus driver are used to manage SCSI or ATAPI devices, we have to use\r | |
3089 | // the lowest transfer rate to calculate the possible maximum timeout value for each operation.\r | |
3090 | // From the above table, we could know 2.1Mbytes per second is lowest one.\r | |
3091 | // The timout value is rounded up to nearest integar and here an additional 30s is added\r | |
3092 | // to follow ATA spec in which it mentioned that the device may take up to 30s to respond\r | |
3093 | // commands in the Standby/Idle mode.\r | |
3094 | //\r | |
3095 | Timeout = EFI_TIMER_PERIOD_SECONDS (ByteCount / 2100000 + 31);\r | |
3096 | MaxRetry = 2;\r | |
3097 | for (Index = 0; Index < MaxRetry; Index++) {\r | |
3098 | if (!ScsiDiskDevice->Cdb16Byte) {\r | |
3099 | Status = ScsiDiskWrite10 (\r | |
3100 | ScsiDiskDevice,\r | |
3101 | &NeedRetry,\r | |
3102 | Timeout,\r | |
3103 | PtrBuffer,\r | |
3104 | &ByteCount,\r | |
3105 | (UINT32) Lba,\r | |
3106 | SectorCount\r | |
3107 | );\r | |
3108 | } else {\r | |
3109 | Status = ScsiDiskWrite16 (\r | |
3110 | ScsiDiskDevice,\r | |
3111 | &NeedRetry,\r | |
3112 | Timeout,\r | |
3113 | PtrBuffer,\r | |
3114 | &ByteCount,\r | |
3115 | Lba,\r | |
3116 | SectorCount\r | |
3117 | ); \r | |
3118 | }\r | |
3119 | if (!EFI_ERROR (Status)) {\r | |
3120 | break;\r | |
3121 | }\r | |
3122 | \r | |
3123 | if (!NeedRetry) {\r | |
3124 | return EFI_DEVICE_ERROR;\r | |
3125 | }\r | |
3126 | \r | |
3127 | //\r | |
3128 | // We need to retry. However, if ScsiDiskWrite10() or ScsiDiskWrite16()\r | |
3129 | // has lowered ByteCount on output, we must make sure that we lower\r | |
3130 | // SectorCount accordingly. SectorCount will be encoded in the CDB, and\r | |
3131 | // it is invalid to request more sectors in the CDB than the entire\r | |
3132 | // transfer (ie. ByteCount) can carry.\r | |
3133 | //\r | |
3134 | // In addition, ByteCount is only expected to go down, or stay unchaged.\r | |
3135 | // Therefore we don't need to update Timeout: the original timeout should\r | |
3136 | // accommodate shorter transfers too.\r | |
3137 | //\r | |
3138 | NextSectorCount = ByteCount / BlockSize;\r | |
3139 | if (NextSectorCount < SectorCount) {\r | |
3140 | SectorCount = NextSectorCount;\r | |
3141 | //\r | |
3142 | // Account for any rounding down.\r | |
3143 | //\r | |
3144 | ByteCount = SectorCount * BlockSize;\r | |
3145 | }\r | |
3146 | }\r | |
3147 | \r | |
3148 | if ((Index == MaxRetry) && (Status != EFI_SUCCESS)) {\r | |
3149 | return EFI_DEVICE_ERROR;\r | |
3150 | }\r | |
3151 | //\r | |
3152 | // actual transferred sectors\r | |
3153 | //\r | |
3154 | SectorCount = ByteCount / BlockSize;\r | |
3155 | \r | |
3156 | Lba += SectorCount;\r | |
3157 | PtrBuffer = PtrBuffer + SectorCount * BlockSize;\r | |
3158 | BlocksRemaining -= SectorCount;\r | |
3159 | }\r | |
3160 | \r | |
3161 | return EFI_SUCCESS;\r | |
3162 | }\r | |
3163 | \r | |
3164 | /**\r | |
3165 | Asynchronously read sector from SCSI Disk.\r | |
3166 | \r | |
3167 | @param ScsiDiskDevice The pointer of SCSI_DISK_DEV.\r | |
3168 | @param Buffer The buffer to fill in the read out data.\r | |
3169 | @param Lba Logic block address.\r | |
3170 | @param NumberOfBlocks The number of blocks to read.\r | |
3171 | @param Token A pointer to the token associated with the\r | |
3172 | non-blocking read request.\r | |
3173 | \r | |
3174 | @retval EFI_INVALID_PARAMETER Token is NULL or Token->Event is NULL.\r | |
3175 | @retval EFI_DEVICE_ERROR Indicates a device error.\r | |
3176 | @retval EFI_SUCCESS Operation is successful.\r | |
3177 | \r | |
3178 | **/\r | |
3179 | EFI_STATUS\r | |
3180 | ScsiDiskAsyncReadSectors (\r | |
3181 | IN SCSI_DISK_DEV *ScsiDiskDevice,\r | |
3182 | OUT VOID *Buffer,\r | |
3183 | IN EFI_LBA Lba,\r | |
3184 | IN UINTN NumberOfBlocks,\r | |
3185 | IN EFI_BLOCK_IO2_TOKEN *Token\r | |
3186 | )\r | |
3187 | {\r | |
3188 | UINTN BlocksRemaining;\r | |
3189 | UINT8 *PtrBuffer;\r | |
3190 | UINT32 BlockSize;\r | |
3191 | UINT32 ByteCount;\r | |
3192 | UINT32 MaxBlock;\r | |
3193 | UINT32 SectorCount;\r | |
3194 | UINT64 Timeout;\r | |
3195 | SCSI_BLKIO2_REQUEST *BlkIo2Req;\r | |
3196 | EFI_STATUS Status;\r | |
3197 | EFI_TPL OldTpl;\r | |
3198 | \r | |
3199 | if ((Token == NULL) || (Token->Event == NULL)) {\r | |
3200 | return EFI_INVALID_PARAMETER;\r | |
3201 | }\r | |
3202 | \r | |
3203 | BlkIo2Req = AllocateZeroPool (sizeof (SCSI_BLKIO2_REQUEST));\r | |
3204 | if (BlkIo2Req == NULL) {\r | |
3205 | return EFI_OUT_OF_RESOURCES;\r | |
3206 | }\r | |
3207 | \r | |
3208 | BlkIo2Req->Token = Token;\r | |
3209 | \r | |
3210 | OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r | |
3211 | InsertTailList (&ScsiDiskDevice->AsyncTaskQueue, &BlkIo2Req->Link);\r | |
3212 | gBS->RestoreTPL (OldTpl);\r | |
3213 | \r | |
3214 | InitializeListHead (&BlkIo2Req->ScsiRWQueue);\r | |
3215 | \r | |
3216 | Status = EFI_SUCCESS;\r | |
3217 | \r | |
3218 | BlocksRemaining = NumberOfBlocks;\r | |
3219 | BlockSize = ScsiDiskDevice->BlkIo.Media->BlockSize;\r | |
3220 | \r | |
3221 | //\r | |
3222 | // Limit the data bytes that can be transferred by one Read(10) or Read(16)\r | |
3223 | // Command\r | |
3224 | //\r | |
3225 | if (!ScsiDiskDevice->Cdb16Byte) {\r | |
3226 | MaxBlock = 0xFFFF;\r | |
3227 | } else {\r | |
3228 | MaxBlock = 0xFFFFFFFF;\r | |
3229 | }\r | |
3230 | \r | |
3231 | PtrBuffer = Buffer;\r | |
3232 | \r | |
3233 | while (BlocksRemaining > 0) {\r | |
3234 | \r | |
3235 | if (BlocksRemaining <= MaxBlock) {\r | |
3236 | if (!ScsiDiskDevice->Cdb16Byte) {\r | |
3237 | SectorCount = (UINT16) BlocksRemaining;\r | |
3238 | } else {\r | |
3239 | SectorCount = (UINT32) BlocksRemaining;\r | |
3240 | }\r | |
3241 | } else {\r | |
3242 | SectorCount = MaxBlock;\r | |
3243 | }\r | |
3244 | \r | |
3245 | ByteCount = SectorCount * BlockSize;\r | |
3246 | //\r | |
3247 | // |------------------------|-----------------|------------------|-----------------|\r | |
3248 | // | ATA Transfer Mode | Transfer Rate | SCSI Interface | Transfer Rate |\r | |
3249 | // |------------------------|-----------------|------------------|-----------------|\r | |
3250 | // | PIO Mode 0 | 3.3Mbytes/sec | SCSI-1 | 5Mbytes/sec |\r | |
3251 | // |------------------------|-----------------|------------------|-----------------|\r | |
3252 | // | PIO Mode 1 | 5.2Mbytes/sec | Fast SCSI | 10Mbytes/sec |\r | |
3253 | // |------------------------|-----------------|------------------|-----------------|\r | |
3254 | // | PIO Mode 2 | 8.3Mbytes/sec | Fast-Wide SCSI | 20Mbytes/sec |\r | |
3255 | // |------------------------|-----------------|------------------|-----------------|\r | |
3256 | // | PIO Mode 3 | 11.1Mbytes/sec | Ultra SCSI | 20Mbytes/sec |\r | |
3257 | // |------------------------|-----------------|------------------|-----------------|\r | |
3258 | // | PIO Mode 4 | 16.6Mbytes/sec | Ultra Wide SCSI | 40Mbytes/sec |\r | |
3259 | // |------------------------|-----------------|------------------|-----------------|\r | |
3260 | // | Single-word DMA Mode 0 | 2.1Mbytes/sec | Ultra2 SCSI | 40Mbytes/sec |\r | |
3261 | // |------------------------|-----------------|------------------|-----------------|\r | |
3262 | // | Single-word DMA Mode 1 | 4.2Mbytes/sec | Ultra2 Wide SCSI | 80Mbytes/sec |\r | |
3263 | // |------------------------|-----------------|------------------|-----------------|\r | |
3264 | // | Single-word DMA Mode 2 | 8.4Mbytes/sec | Ultra3 SCSI | 160Mbytes/sec |\r | |
3265 | // |------------------------|-----------------|------------------|-----------------|\r | |
3266 | // | Multi-word DMA Mode 0 | 4.2Mbytes/sec | Ultra-320 SCSI | 320Mbytes/sec |\r | |
3267 | // |------------------------|-----------------|------------------|-----------------|\r | |
3268 | // | Multi-word DMA Mode 1 | 13.3Mbytes/sec | Ultra-640 SCSI | 640Mbytes/sec |\r | |
3269 | // |------------------------|-----------------|------------------|-----------------|\r | |
3270 | //\r | |
3271 | // As ScsiDisk and ScsiBus driver are used to manage SCSI or ATAPI devices,\r | |
3272 | // we have to use the lowest transfer rate to calculate the possible\r | |
3273 | // maximum timeout value for each operation.\r | |
3274 | // From the above table, we could know 2.1Mbytes per second is lowest one.\r | |
3275 | // The timout value is rounded up to nearest integar and here an additional\r | |
3276 | // 30s is added to follow ATA spec in which it mentioned that the device\r | |
3277 | // may take up to 30s to respond commands in the Standby/Idle mode.\r | |
3278 | //\r | |
3279 | Timeout = EFI_TIMER_PERIOD_SECONDS (ByteCount / 2100000 + 31);\r | |
3280 | \r | |
3281 | if (!ScsiDiskDevice->Cdb16Byte) {\r | |
3282 | Status = ScsiDiskAsyncRead10 (\r | |
3283 | ScsiDiskDevice,\r | |
3284 | Timeout,\r | |
3285 | 0,\r | |
3286 | PtrBuffer,\r | |
3287 | ByteCount,\r | |
3288 | (UINT32) Lba,\r | |
3289 | SectorCount,\r | |
3290 | BlkIo2Req,\r | |
3291 | Token\r | |
3292 | );\r | |
3293 | } else {\r | |
3294 | Status = ScsiDiskAsyncRead16 (\r | |
3295 | ScsiDiskDevice,\r | |
3296 | Timeout,\r | |
3297 | 0,\r | |
3298 | PtrBuffer,\r | |
3299 | ByteCount,\r | |
3300 | Lba,\r | |
3301 | SectorCount,\r | |
3302 | BlkIo2Req,\r | |
3303 | Token\r | |
3304 | );\r | |
3305 | }\r | |
3306 | if (EFI_ERROR (Status)) {\r | |
3307 | //\r | |
3308 | // Some devices will return EFI_DEVICE_ERROR or EFI_TIMEOUT when the data\r | |
3309 | // length of a SCSI I/O command is too large.\r | |
3310 | // In this case, we retry sending the SCSI command with a data length\r | |
3311 | // half of its previous value.\r | |
3312 | //\r | |
3313 | if ((Status == EFI_DEVICE_ERROR) || (Status == EFI_TIMEOUT)) {\r | |
3314 | if ((MaxBlock > 1) && (SectorCount > 1)) {\r | |
3315 | MaxBlock = MIN (MaxBlock, SectorCount) >> 1;\r | |
3316 | continue;\r | |
3317 | }\r | |
3318 | }\r | |
3319 | \r | |
3320 | OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r | |
3321 | if (IsListEmpty (&BlkIo2Req->ScsiRWQueue)) {\r | |
3322 | //\r | |
3323 | // Free the SCSI_BLKIO2_REQUEST structure only when there is no other\r | |
3324 | // SCSI sub-task running. Otherwise, it will be freed in the callback\r | |
3325 | // function ScsiDiskNotify().\r | |
3326 | //\r | |
3327 | RemoveEntryList (&BlkIo2Req->Link);\r | |
3328 | FreePool (BlkIo2Req);\r | |
3329 | BlkIo2Req = NULL;\r | |
3330 | gBS->RestoreTPL (OldTpl);\r | |
3331 | \r | |
3332 | //\r | |
3333 | // It is safe to return error status to the caller, since there is no\r | |
3334 | // previous SCSI sub-task executing.\r | |
3335 | //\r | |
3336 | Status = EFI_DEVICE_ERROR;\r | |
3337 | goto Done;\r | |
3338 | } else {\r | |
3339 | gBS->RestoreTPL (OldTpl);\r | |
3340 | \r | |
3341 | //\r | |
3342 | // There are previous SCSI commands still running, EFI_SUCCESS should\r | |
3343 | // be returned to make sure that the caller does not free resources\r | |
3344 | // still using by these SCSI commands.\r | |
3345 | //\r | |
3346 | Status = EFI_SUCCESS;\r | |
3347 | goto Done;\r | |
3348 | }\r | |
3349 | }\r | |
3350 | \r | |
3351 | //\r | |
3352 | // Sectors submitted for transfer\r | |
3353 | //\r | |
3354 | SectorCount = ByteCount / BlockSize;\r | |
3355 | \r | |
3356 | Lba += SectorCount;\r | |
3357 | PtrBuffer = PtrBuffer + SectorCount * BlockSize;\r | |
3358 | BlocksRemaining -= SectorCount;\r | |
3359 | }\r | |
3360 | \r | |
3361 | Status = EFI_SUCCESS;\r | |
3362 | \r | |
3363 | Done:\r | |
3364 | if (BlkIo2Req != NULL) {\r | |
3365 | BlkIo2Req->LastScsiRW = TRUE;\r | |
3366 | \r | |
3367 | OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r | |
3368 | if (IsListEmpty (&BlkIo2Req->ScsiRWQueue)) {\r | |
3369 | RemoveEntryList (&BlkIo2Req->Link);\r | |
3370 | FreePool (BlkIo2Req);\r | |
3371 | BlkIo2Req = NULL;\r | |
3372 | \r | |
3373 | gBS->SignalEvent (Token->Event);\r | |
3374 | }\r | |
3375 | gBS->RestoreTPL (OldTpl);\r | |
3376 | }\r | |
3377 | \r | |
3378 | return Status;\r | |
3379 | }\r | |
3380 | \r | |
3381 | /**\r | |
3382 | Asynchronously write sector to SCSI Disk.\r | |
3383 | \r | |
3384 | @param ScsiDiskDevice The pointer of SCSI_DISK_DEV.\r | |
3385 | @param Buffer The buffer of data to be written into SCSI Disk.\r | |
3386 | @param Lba Logic block address.\r | |
3387 | @param NumberOfBlocks The number of blocks to read.\r | |
3388 | @param Token A pointer to the token associated with the\r | |
3389 | non-blocking read request.\r | |
3390 | \r | |
3391 | @retval EFI_INVALID_PARAMETER Token is NULL or Token->Event is NULL\r | |
3392 | @retval EFI_DEVICE_ERROR Indicates a device error.\r | |
3393 | @retval EFI_SUCCESS Operation is successful.\r | |
3394 | \r | |
3395 | **/\r | |
3396 | EFI_STATUS\r | |
3397 | ScsiDiskAsyncWriteSectors (\r | |
3398 | IN SCSI_DISK_DEV *ScsiDiskDevice,\r | |
3399 | IN VOID *Buffer,\r | |
3400 | IN EFI_LBA Lba,\r | |
3401 | IN UINTN NumberOfBlocks,\r | |
3402 | IN EFI_BLOCK_IO2_TOKEN *Token\r | |
3403 | )\r | |
3404 | {\r | |
3405 | UINTN BlocksRemaining;\r | |
3406 | UINT8 *PtrBuffer;\r | |
3407 | UINT32 BlockSize;\r | |
3408 | UINT32 ByteCount;\r | |
3409 | UINT32 MaxBlock;\r | |
3410 | UINT32 SectorCount;\r | |
3411 | UINT64 Timeout;\r | |
3412 | SCSI_BLKIO2_REQUEST *BlkIo2Req;\r | |
3413 | EFI_STATUS Status;\r | |
3414 | EFI_TPL OldTpl;\r | |
3415 | \r | |
3416 | if ((Token == NULL) || (Token->Event == NULL)) {\r | |
3417 | return EFI_INVALID_PARAMETER;\r | |
3418 | }\r | |
3419 | \r | |
3420 | BlkIo2Req = AllocateZeroPool (sizeof (SCSI_BLKIO2_REQUEST));\r | |
3421 | if (BlkIo2Req == NULL) {\r | |
3422 | return EFI_OUT_OF_RESOURCES;\r | |
3423 | }\r | |
3424 | \r | |
3425 | BlkIo2Req->Token = Token;\r | |
3426 | \r | |
3427 | OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r | |
3428 | InsertTailList (&ScsiDiskDevice->AsyncTaskQueue, &BlkIo2Req->Link);\r | |
3429 | gBS->RestoreTPL (OldTpl);\r | |
3430 | \r | |
3431 | InitializeListHead (&BlkIo2Req->ScsiRWQueue);\r | |
3432 | \r | |
3433 | Status = EFI_SUCCESS;\r | |
3434 | \r | |
3435 | BlocksRemaining = NumberOfBlocks;\r | |
3436 | BlockSize = ScsiDiskDevice->BlkIo.Media->BlockSize;\r | |
3437 | \r | |
3438 | //\r | |
3439 | // Limit the data bytes that can be transferred by one Read(10) or Read(16)\r | |
3440 | // Command\r | |
3441 | //\r | |
3442 | if (!ScsiDiskDevice->Cdb16Byte) {\r | |
3443 | MaxBlock = 0xFFFF;\r | |
3444 | } else {\r | |
3445 | MaxBlock = 0xFFFFFFFF;\r | |
3446 | }\r | |
3447 | \r | |
3448 | PtrBuffer = Buffer;\r | |
3449 | \r | |
3450 | while (BlocksRemaining > 0) {\r | |
3451 | \r | |
3452 | if (BlocksRemaining <= MaxBlock) {\r | |
3453 | if (!ScsiDiskDevice->Cdb16Byte) {\r | |
3454 | SectorCount = (UINT16) BlocksRemaining;\r | |
3455 | } else {\r | |
3456 | SectorCount = (UINT32) BlocksRemaining;\r | |
3457 | }\r | |
3458 | } else {\r | |
3459 | SectorCount = MaxBlock;\r | |
3460 | }\r | |
3461 | \r | |
3462 | ByteCount = SectorCount * BlockSize;\r | |
3463 | //\r | |
3464 | // |------------------------|-----------------|------------------|-----------------|\r | |
3465 | // | ATA Transfer Mode | Transfer Rate | SCSI Interface | Transfer Rate |\r | |
3466 | // |------------------------|-----------------|------------------|-----------------|\r | |
3467 | // | PIO Mode 0 | 3.3Mbytes/sec | SCSI-1 | 5Mbytes/sec |\r | |
3468 | // |------------------------|-----------------|------------------|-----------------|\r | |
3469 | // | PIO Mode 1 | 5.2Mbytes/sec | Fast SCSI | 10Mbytes/sec |\r | |
3470 | // |------------------------|-----------------|------------------|-----------------|\r | |
3471 | // | PIO Mode 2 | 8.3Mbytes/sec | Fast-Wide SCSI | 20Mbytes/sec |\r | |
3472 | // |------------------------|-----------------|------------------|-----------------|\r | |
3473 | // | PIO Mode 3 | 11.1Mbytes/sec | Ultra SCSI | 20Mbytes/sec |\r | |
3474 | // |------------------------|-----------------|------------------|-----------------|\r | |
3475 | // | PIO Mode 4 | 16.6Mbytes/sec | Ultra Wide SCSI | 40Mbytes/sec |\r | |
3476 | // |------------------------|-----------------|------------------|-----------------|\r | |
3477 | // | Single-word DMA Mode 0 | 2.1Mbytes/sec | Ultra2 SCSI | 40Mbytes/sec |\r | |
3478 | // |------------------------|-----------------|------------------|-----------------|\r | |
3479 | // | Single-word DMA Mode 1 | 4.2Mbytes/sec | Ultra2 Wide SCSI | 80Mbytes/sec |\r | |
3480 | // |------------------------|-----------------|------------------|-----------------|\r | |
3481 | // | Single-word DMA Mode 2 | 8.4Mbytes/sec | Ultra3 SCSI | 160Mbytes/sec |\r | |
3482 | // |------------------------|-----------------|------------------|-----------------|\r | |
3483 | // | Multi-word DMA Mode 0 | 4.2Mbytes/sec | Ultra-320 SCSI | 320Mbytes/sec |\r | |
3484 | // |------------------------|-----------------|------------------|-----------------|\r | |
3485 | // | Multi-word DMA Mode 1 | 13.3Mbytes/sec | Ultra-640 SCSI | 640Mbytes/sec |\r | |
3486 | // |------------------------|-----------------|------------------|-----------------|\r | |
3487 | //\r | |
3488 | // As ScsiDisk and ScsiBus driver are used to manage SCSI or ATAPI devices,\r | |
3489 | // we have to use the lowest transfer rate to calculate the possible\r | |
3490 | // maximum timeout value for each operation.\r | |
3491 | // From the above table, we could know 2.1Mbytes per second is lowest one.\r | |
3492 | // The timout value is rounded up to nearest integar and here an additional\r | |
3493 | // 30s is added to follow ATA spec in which it mentioned that the device\r | |
3494 | // may take up to 30s to respond commands in the Standby/Idle mode.\r | |
3495 | //\r | |
3496 | Timeout = EFI_TIMER_PERIOD_SECONDS (ByteCount / 2100000 + 31);\r | |
3497 | \r | |
3498 | if (!ScsiDiskDevice->Cdb16Byte) {\r | |
3499 | Status = ScsiDiskAsyncWrite10 (\r | |
3500 | ScsiDiskDevice,\r | |
3501 | Timeout,\r | |
3502 | 0,\r | |
3503 | PtrBuffer,\r | |
3504 | ByteCount,\r | |
3505 | (UINT32) Lba,\r | |
3506 | SectorCount,\r | |
3507 | BlkIo2Req,\r | |
3508 | Token\r | |
3509 | );\r | |
3510 | } else {\r | |
3511 | Status = ScsiDiskAsyncWrite16 (\r | |
3512 | ScsiDiskDevice,\r | |
3513 | Timeout,\r | |
3514 | 0,\r | |
3515 | PtrBuffer,\r | |
3516 | ByteCount,\r | |
3517 | Lba,\r | |
3518 | SectorCount,\r | |
3519 | BlkIo2Req,\r | |
3520 | Token\r | |
3521 | );\r | |
3522 | }\r | |
3523 | if (EFI_ERROR (Status)) {\r | |
3524 | //\r | |
3525 | // Some devices will return EFI_DEVICE_ERROR or EFI_TIMEOUT when the data\r | |
3526 | // length of a SCSI I/O command is too large.\r | |
3527 | // In this case, we retry sending the SCSI command with a data length\r | |
3528 | // half of its previous value.\r | |
3529 | //\r | |
3530 | if ((Status == EFI_DEVICE_ERROR) || (Status == EFI_TIMEOUT)) {\r | |
3531 | if ((MaxBlock > 1) && (SectorCount > 1)) {\r | |
3532 | MaxBlock = MIN (MaxBlock, SectorCount) >> 1;\r | |
3533 | continue;\r | |
3534 | }\r | |
3535 | }\r | |
3536 | \r | |
3537 | OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r | |
3538 | if (IsListEmpty (&BlkIo2Req->ScsiRWQueue)) {\r | |
3539 | //\r | |
3540 | // Free the SCSI_BLKIO2_REQUEST structure only when there is no other\r | |
3541 | // SCSI sub-task running. Otherwise, it will be freed in the callback\r | |
3542 | // function ScsiDiskNotify().\r | |
3543 | //\r | |
3544 | RemoveEntryList (&BlkIo2Req->Link);\r | |
3545 | FreePool (BlkIo2Req);\r | |
3546 | BlkIo2Req = NULL;\r | |
3547 | gBS->RestoreTPL (OldTpl);\r | |
3548 | \r | |
3549 | //\r | |
3550 | // It is safe to return error status to the caller, since there is no\r | |
3551 | // previous SCSI sub-task executing.\r | |
3552 | //\r | |
3553 | Status = EFI_DEVICE_ERROR;\r | |
3554 | goto Done;\r | |
3555 | } else {\r | |
3556 | gBS->RestoreTPL (OldTpl);\r | |
3557 | \r | |
3558 | //\r | |
3559 | // There are previous SCSI commands still running, EFI_SUCCESS should\r | |
3560 | // be returned to make sure that the caller does not free resources\r | |
3561 | // still using by these SCSI commands.\r | |
3562 | //\r | |
3563 | Status = EFI_SUCCESS;\r | |
3564 | goto Done;\r | |
3565 | }\r | |
3566 | }\r | |
3567 | \r | |
3568 | //\r | |
3569 | // Sectors submitted for transfer\r | |
3570 | //\r | |
3571 | SectorCount = ByteCount / BlockSize;\r | |
3572 | \r | |
3573 | Lba += SectorCount;\r | |
3574 | PtrBuffer = PtrBuffer + SectorCount * BlockSize;\r | |
3575 | BlocksRemaining -= SectorCount;\r | |
3576 | }\r | |
3577 | \r | |
3578 | Status = EFI_SUCCESS;\r | |
3579 | \r | |
3580 | Done:\r | |
3581 | if (BlkIo2Req != NULL) {\r | |
3582 | BlkIo2Req->LastScsiRW = TRUE;\r | |
3583 | \r | |
3584 | OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r | |
3585 | if (IsListEmpty (&BlkIo2Req->ScsiRWQueue)) {\r | |
3586 | RemoveEntryList (&BlkIo2Req->Link);\r | |
3587 | FreePool (BlkIo2Req);\r | |
3588 | BlkIo2Req = NULL;\r | |
3589 | \r | |
3590 | gBS->SignalEvent (Token->Event);\r | |
3591 | }\r | |
3592 | gBS->RestoreTPL (OldTpl);\r | |
3593 | }\r | |
3594 | \r | |
3595 | return Status;\r | |
3596 | }\r | |
3597 | \r | |
3598 | \r | |
3599 | /**\r | |
3600 | Submit Read(10) command.\r | |
3601 | \r | |
3602 | @param ScsiDiskDevice The pointer of ScsiDiskDevice\r | |
3603 | @param NeedRetry The pointer of flag indicates if needs retry if error happens\r | |
3604 | @param Timeout The time to complete the command\r | |
3605 | @param DataBuffer The buffer to fill with the read out data\r | |
3606 | @param DataLength The length of buffer\r | |
3607 | @param StartLba The start logic block address\r | |
3608 | @param SectorCount The number of blocks to read\r | |
3609 | \r | |
3610 | @return EFI_STATUS is returned by calling ScsiRead10Command().\r | |
3611 | **/\r | |
3612 | EFI_STATUS\r | |
3613 | ScsiDiskRead10 (\r | |
3614 | IN SCSI_DISK_DEV *ScsiDiskDevice,\r | |
3615 | OUT BOOLEAN *NeedRetry,\r | |
3616 | IN UINT64 Timeout,\r | |
3617 | OUT UINT8 *DataBuffer,\r | |
3618 | IN OUT UINT32 *DataLength,\r | |
3619 | IN UINT32 StartLba,\r | |
3620 | IN UINT32 SectorCount\r | |
3621 | )\r | |
3622 | {\r | |
3623 | UINT8 SenseDataLength;\r | |
3624 | EFI_STATUS Status;\r | |
3625 | EFI_STATUS ReturnStatus;\r | |
3626 | UINT8 HostAdapterStatus;\r | |
3627 | UINT8 TargetStatus;\r | |
3628 | UINTN Action;\r | |
3629 | \r | |
3630 | //\r | |
3631 | // Implement a backoff algorithem to resolve some compatibility issues that\r | |
3632 | // some SCSI targets or ATAPI devices couldn't correctly response reading/writing\r | |
3633 | // big data in a single operation.\r | |
3634 | // This algorithem will at first try to execute original request. If the request fails\r | |
3635 | // with media error sense data or else, it will reduce the transfer length to half and\r | |
3636 | // try again till the operation succeeds or fails with one sector transfer length.\r | |
3637 | //\r | |
3638 | BackOff:\r | |
3639 | *NeedRetry = FALSE;\r | |
3640 | Action = ACTION_NO_ACTION;\r | |
3641 | SenseDataLength = (UINT8) (ScsiDiskDevice->SenseDataNumber * sizeof (EFI_SCSI_SENSE_DATA));\r | |
3642 | ReturnStatus = ScsiRead10Command (\r | |
3643 | ScsiDiskDevice->ScsiIo,\r | |
3644 | Timeout,\r | |
3645 | ScsiDiskDevice->SenseData,\r | |
3646 | &SenseDataLength,\r | |
3647 | &HostAdapterStatus,\r | |
3648 | &TargetStatus,\r | |
3649 | DataBuffer,\r | |
3650 | DataLength,\r | |
3651 | StartLba,\r | |
3652 | SectorCount\r | |
3653 | );\r | |
3654 | \r | |
3655 | if (ReturnStatus == EFI_NOT_READY || ReturnStatus == EFI_BAD_BUFFER_SIZE) {\r | |
3656 | *NeedRetry = TRUE;\r | |
3657 | return EFI_DEVICE_ERROR;\r | |
3658 | } else if ((ReturnStatus == EFI_INVALID_PARAMETER) || (ReturnStatus == EFI_UNSUPPORTED)) {\r | |
3659 | *NeedRetry = FALSE;\r | |
3660 | return ReturnStatus;\r | |
3661 | }\r | |
3662 | \r | |
3663 | //\r | |
3664 | // go ahead to check HostAdapterStatus and TargetStatus\r | |
3665 | // (EFI_TIMEOUT, EFI_DEVICE_ERROR, EFI_WARN_BUFFER_TOO_SMALL)\r | |
3666 | //\r | |
3667 | Status = CheckHostAdapterStatus (HostAdapterStatus);\r | |
3668 | if ((Status == EFI_TIMEOUT) || (Status == EFI_NOT_READY)) {\r | |
3669 | *NeedRetry = TRUE;\r | |
3670 | return EFI_DEVICE_ERROR;\r | |
3671 | } else if (Status == EFI_DEVICE_ERROR) {\r | |
3672 | //\r | |
3673 | // reset the scsi channel\r | |
3674 | //\r | |
3675 | ScsiDiskDevice->ScsiIo->ResetBus (ScsiDiskDevice->ScsiIo);\r | |
3676 | *NeedRetry = FALSE;\r | |
3677 | return EFI_DEVICE_ERROR;\r | |
3678 | }\r | |
3679 | \r | |
3680 | Status = CheckTargetStatus (TargetStatus);\r | |
3681 | if (Status == EFI_NOT_READY) {\r | |
3682 | //\r | |
3683 | // reset the scsi device\r | |
3684 | //\r | |
3685 | ScsiDiskDevice->ScsiIo->ResetDevice (ScsiDiskDevice->ScsiIo);\r | |
3686 | *NeedRetry = TRUE;\r | |
3687 | return EFI_DEVICE_ERROR;\r | |
3688 | } else if (Status == EFI_DEVICE_ERROR) {\r | |
3689 | *NeedRetry = FALSE;\r | |
3690 | return EFI_DEVICE_ERROR;\r | |
3691 | }\r | |
3692 | \r | |
3693 | if ((TargetStatus == EFI_EXT_SCSI_STATUS_TARGET_CHECK_CONDITION) || (EFI_ERROR (ReturnStatus))) {\r | |
3694 | DEBUG ((EFI_D_ERROR, "ScsiDiskRead10: Check Condition happened!\n"));\r | |
3695 | Status = DetectMediaParsingSenseKeys (ScsiDiskDevice, ScsiDiskDevice->SenseData, SenseDataLength / sizeof (EFI_SCSI_SENSE_DATA), &Action);\r | |
3696 | if (Action == ACTION_RETRY_COMMAND_LATER) {\r | |
3697 | *NeedRetry = TRUE;\r | |
3698 | return EFI_DEVICE_ERROR;\r | |
3699 | } else if (Action == ACTION_RETRY_WITH_BACKOFF_ALGO) {\r | |
3700 | if (SectorCount <= 1) {\r | |
3701 | //\r | |
3702 | // Jump out if the operation still fails with one sector transfer length.\r | |
3703 | //\r | |
3704 | *NeedRetry = FALSE;\r | |
3705 | return EFI_DEVICE_ERROR;\r | |
3706 | }\r | |
3707 | //\r | |
3708 | // Try again with half length if the sense data shows we need to retry.\r | |
3709 | //\r | |
3710 | SectorCount >>= 1;\r | |
3711 | *DataLength = SectorCount * ScsiDiskDevice->BlkIo.Media->BlockSize;\r | |
3712 | goto BackOff;\r | |
3713 | } else {\r | |
3714 | *NeedRetry = FALSE;\r | |
3715 | return EFI_DEVICE_ERROR;\r | |
3716 | }\r | |
3717 | }\r | |
3718 | \r | |
3719 | return ReturnStatus;\r | |
3720 | }\r | |
3721 | \r | |
3722 | \r | |
3723 | /**\r | |
3724 | Submit Write(10) Command.\r | |
3725 | \r | |
3726 | @param ScsiDiskDevice The pointer of ScsiDiskDevice\r | |
3727 | @param NeedRetry The pointer of flag indicates if needs retry if error happens\r | |
3728 | @param Timeout The time to complete the command\r | |
3729 | @param DataBuffer The buffer to fill with the read out data\r | |
3730 | @param DataLength The length of buffer\r | |
3731 | @param StartLba The start logic block address\r | |
3732 | @param SectorCount The number of blocks to write\r | |
3733 | \r | |
3734 | @return EFI_STATUS is returned by calling ScsiWrite10Command().\r | |
3735 | \r | |
3736 | **/\r | |
3737 | EFI_STATUS\r | |
3738 | ScsiDiskWrite10 (\r | |
3739 | IN SCSI_DISK_DEV *ScsiDiskDevice,\r | |
3740 | OUT BOOLEAN *NeedRetry,\r | |
3741 | IN UINT64 Timeout,\r | |
3742 | IN UINT8 *DataBuffer,\r | |
3743 | IN OUT UINT32 *DataLength,\r | |
3744 | IN UINT32 StartLba,\r | |
3745 | IN UINT32 SectorCount\r | |
3746 | )\r | |
3747 | {\r | |
3748 | EFI_STATUS Status;\r | |
3749 | EFI_STATUS ReturnStatus;\r | |
3750 | UINT8 SenseDataLength;\r | |
3751 | UINT8 HostAdapterStatus;\r | |
3752 | UINT8 TargetStatus;\r | |
3753 | UINTN Action;\r | |
3754 | \r | |
3755 | //\r | |
3756 | // Implement a backoff algorithem to resolve some compatibility issues that\r | |
3757 | // some SCSI targets or ATAPI devices couldn't correctly response reading/writing\r | |
3758 | // big data in a single operation.\r | |
3759 | // This algorithem will at first try to execute original request. If the request fails\r | |
3760 | // with media error sense data or else, it will reduce the transfer length to half and\r | |
3761 | // try again till the operation succeeds or fails with one sector transfer length.\r | |
3762 | //\r | |
3763 | BackOff:\r | |
3764 | *NeedRetry = FALSE;\r | |
3765 | Action = ACTION_NO_ACTION;\r | |
3766 | SenseDataLength = (UINT8) (ScsiDiskDevice->SenseDataNumber * sizeof (EFI_SCSI_SENSE_DATA));\r | |
3767 | ReturnStatus = ScsiWrite10Command (\r | |
3768 | ScsiDiskDevice->ScsiIo,\r | |
3769 | Timeout,\r | |
3770 | ScsiDiskDevice->SenseData,\r | |
3771 | &SenseDataLength,\r | |
3772 | &HostAdapterStatus,\r | |
3773 | &TargetStatus,\r | |
3774 | DataBuffer,\r | |
3775 | DataLength,\r | |
3776 | StartLba,\r | |
3777 | SectorCount\r | |
3778 | );\r | |
3779 | if (ReturnStatus == EFI_NOT_READY || ReturnStatus == EFI_BAD_BUFFER_SIZE) {\r | |
3780 | *NeedRetry = TRUE;\r | |
3781 | return EFI_DEVICE_ERROR;\r | |
3782 | } else if ((ReturnStatus == EFI_INVALID_PARAMETER) || (ReturnStatus == EFI_UNSUPPORTED)) {\r | |
3783 | *NeedRetry = FALSE;\r | |
3784 | return ReturnStatus;\r | |
3785 | }\r | |
3786 | \r | |
3787 | //\r | |
3788 | // go ahead to check HostAdapterStatus and TargetStatus\r | |
3789 | // (EFI_TIMEOUT, EFI_DEVICE_ERROR, EFI_WARN_BUFFER_TOO_SMALL)\r | |
3790 | //\r | |
3791 | Status = CheckHostAdapterStatus (HostAdapterStatus);\r | |
3792 | if ((Status == EFI_TIMEOUT) || (Status == EFI_NOT_READY)) {\r | |
3793 | *NeedRetry = TRUE;\r | |
3794 | return EFI_DEVICE_ERROR;\r | |
3795 | } else if (Status == EFI_DEVICE_ERROR) {\r | |
3796 | //\r | |
3797 | // reset the scsi channel\r | |
3798 | //\r | |
3799 | ScsiDiskDevice->ScsiIo->ResetBus (ScsiDiskDevice->ScsiIo);\r | |
3800 | *NeedRetry = FALSE;\r | |
3801 | return EFI_DEVICE_ERROR;\r | |
3802 | }\r | |
3803 | \r | |
3804 | Status = CheckTargetStatus (TargetStatus);\r | |
3805 | if (Status == EFI_NOT_READY) {\r | |
3806 | //\r | |
3807 | // reset the scsi device\r | |
3808 | //\r | |
3809 | ScsiDiskDevice->ScsiIo->ResetDevice (ScsiDiskDevice->ScsiIo);\r | |
3810 | *NeedRetry = TRUE;\r | |
3811 | return EFI_DEVICE_ERROR;\r | |
3812 | } else if (Status == EFI_DEVICE_ERROR) {\r | |
3813 | *NeedRetry = FALSE;\r | |
3814 | return EFI_DEVICE_ERROR;\r | |
3815 | }\r | |
3816 | \r | |
3817 | if ((TargetStatus == EFI_EXT_SCSI_STATUS_TARGET_CHECK_CONDITION) || (EFI_ERROR (ReturnStatus))) {\r | |
3818 | DEBUG ((EFI_D_ERROR, "ScsiDiskWrite10: Check Condition happened!\n"));\r | |
3819 | Status = DetectMediaParsingSenseKeys (ScsiDiskDevice, ScsiDiskDevice->SenseData, SenseDataLength / sizeof (EFI_SCSI_SENSE_DATA), &Action);\r | |
3820 | if (Action == ACTION_RETRY_COMMAND_LATER) {\r | |
3821 | *NeedRetry = TRUE;\r | |
3822 | return EFI_DEVICE_ERROR;\r | |
3823 | } else if (Action == ACTION_RETRY_WITH_BACKOFF_ALGO) {\r | |
3824 | if (SectorCount <= 1) {\r | |
3825 | //\r | |
3826 | // Jump out if the operation still fails with one sector transfer length.\r | |
3827 | //\r | |
3828 | *NeedRetry = FALSE;\r | |
3829 | return EFI_DEVICE_ERROR;\r | |
3830 | }\r | |
3831 | //\r | |
3832 | // Try again with half length if the sense data shows we need to retry.\r | |
3833 | //\r | |
3834 | SectorCount >>= 1;\r | |
3835 | *DataLength = SectorCount * ScsiDiskDevice->BlkIo.Media->BlockSize;\r | |
3836 | goto BackOff;\r | |
3837 | } else {\r | |
3838 | *NeedRetry = FALSE;\r | |
3839 | return EFI_DEVICE_ERROR;\r | |
3840 | }\r | |
3841 | }\r | |
3842 | \r | |
3843 | return ReturnStatus;\r | |
3844 | }\r | |
3845 | \r | |
3846 | \r | |
3847 | /**\r | |
3848 | Submit Read(16) command.\r | |
3849 | \r | |
3850 | @param ScsiDiskDevice The pointer of ScsiDiskDevice\r | |
3851 | @param NeedRetry The pointer of flag indicates if needs retry if error happens\r | |
3852 | @param Timeout The time to complete the command\r | |
3853 | @param DataBuffer The buffer to fill with the read out data\r | |
3854 | @param DataLength The length of buffer\r | |
3855 | @param StartLba The start logic block address\r | |
3856 | @param SectorCount The number of blocks to read\r | |
3857 | \r | |
3858 | @return EFI_STATUS is returned by calling ScsiRead16Command().\r | |
3859 | **/\r | |
3860 | EFI_STATUS\r | |
3861 | ScsiDiskRead16 (\r | |
3862 | IN SCSI_DISK_DEV *ScsiDiskDevice,\r | |
3863 | OUT BOOLEAN *NeedRetry,\r | |
3864 | IN UINT64 Timeout,\r | |
3865 | OUT UINT8 *DataBuffer,\r | |
3866 | IN OUT UINT32 *DataLength,\r | |
3867 | IN UINT64 StartLba,\r | |
3868 | IN UINT32 SectorCount\r | |
3869 | )\r | |
3870 | {\r | |
3871 | UINT8 SenseDataLength;\r | |
3872 | EFI_STATUS Status;\r | |
3873 | EFI_STATUS ReturnStatus;\r | |
3874 | UINT8 HostAdapterStatus;\r | |
3875 | UINT8 TargetStatus;\r | |
3876 | UINTN Action;\r | |
3877 | \r | |
3878 | //\r | |
3879 | // Implement a backoff algorithem to resolve some compatibility issues that\r | |
3880 | // some SCSI targets or ATAPI devices couldn't correctly response reading/writing\r | |
3881 | // big data in a single operation.\r | |
3882 | // This algorithem will at first try to execute original request. If the request fails\r | |
3883 | // with media error sense data or else, it will reduce the transfer length to half and\r | |
3884 | // try again till the operation succeeds or fails with one sector transfer length.\r | |
3885 | //\r | |
3886 | BackOff:\r | |
3887 | *NeedRetry = FALSE;\r | |
3888 | Action = ACTION_NO_ACTION;\r | |
3889 | SenseDataLength = (UINT8) (ScsiDiskDevice->SenseDataNumber * sizeof (EFI_SCSI_SENSE_DATA));\r | |
3890 | ReturnStatus = ScsiRead16Command (\r | |
3891 | ScsiDiskDevice->ScsiIo,\r | |
3892 | Timeout,\r | |
3893 | ScsiDiskDevice->SenseData,\r | |
3894 | &SenseDataLength,\r | |
3895 | &HostAdapterStatus,\r | |
3896 | &TargetStatus,\r | |
3897 | DataBuffer,\r | |
3898 | DataLength,\r | |
3899 | StartLba,\r | |
3900 | SectorCount\r | |
3901 | );\r | |
3902 | if (ReturnStatus == EFI_NOT_READY || ReturnStatus == EFI_BAD_BUFFER_SIZE) {\r | |
3903 | *NeedRetry = TRUE;\r | |
3904 | return EFI_DEVICE_ERROR;\r | |
3905 | } else if ((ReturnStatus == EFI_INVALID_PARAMETER) || (ReturnStatus == EFI_UNSUPPORTED)) {\r | |
3906 | *NeedRetry = FALSE;\r | |
3907 | return ReturnStatus;\r | |
3908 | }\r | |
3909 | \r | |
3910 | //\r | |
3911 | // go ahead to check HostAdapterStatus and TargetStatus\r | |
3912 | // (EFI_TIMEOUT, EFI_DEVICE_ERROR, EFI_WARN_BUFFER_TOO_SMALL)\r | |
3913 | //\r | |
3914 | Status = CheckHostAdapterStatus (HostAdapterStatus);\r | |
3915 | if ((Status == EFI_TIMEOUT) || (Status == EFI_NOT_READY)) {\r | |
3916 | *NeedRetry = TRUE;\r | |
3917 | return EFI_DEVICE_ERROR;\r | |
3918 | } else if (Status == EFI_DEVICE_ERROR) {\r | |
3919 | //\r | |
3920 | // reset the scsi channel\r | |
3921 | //\r | |
3922 | ScsiDiskDevice->ScsiIo->ResetBus (ScsiDiskDevice->ScsiIo);\r | |
3923 | *NeedRetry = FALSE;\r | |
3924 | return EFI_DEVICE_ERROR;\r | |
3925 | }\r | |
3926 | \r | |
3927 | Status = CheckTargetStatus (TargetStatus);\r | |
3928 | if (Status == EFI_NOT_READY) {\r | |
3929 | //\r | |
3930 | // reset the scsi device\r | |
3931 | //\r | |
3932 | ScsiDiskDevice->ScsiIo->ResetDevice (ScsiDiskDevice->ScsiIo);\r | |
3933 | *NeedRetry = TRUE;\r | |
3934 | return EFI_DEVICE_ERROR;\r | |
3935 | } else if (Status == EFI_DEVICE_ERROR) {\r | |
3936 | *NeedRetry = FALSE;\r | |
3937 | return EFI_DEVICE_ERROR;\r | |
3938 | }\r | |
3939 | \r | |
3940 | if ((TargetStatus == EFI_EXT_SCSI_STATUS_TARGET_CHECK_CONDITION) || (EFI_ERROR (ReturnStatus))) {\r | |
3941 | DEBUG ((EFI_D_ERROR, "ScsiDiskRead16: Check Condition happened!\n"));\r | |
3942 | Status = DetectMediaParsingSenseKeys (ScsiDiskDevice, ScsiDiskDevice->SenseData, SenseDataLength / sizeof (EFI_SCSI_SENSE_DATA), &Action);\r | |
3943 | if (Action == ACTION_RETRY_COMMAND_LATER) {\r | |
3944 | *NeedRetry = TRUE;\r | |
3945 | return EFI_DEVICE_ERROR;\r | |
3946 | } else if (Action == ACTION_RETRY_WITH_BACKOFF_ALGO) {\r | |
3947 | if (SectorCount <= 1) {\r | |
3948 | //\r | |
3949 | // Jump out if the operation still fails with one sector transfer length.\r | |
3950 | //\r | |
3951 | *NeedRetry = FALSE;\r | |
3952 | return EFI_DEVICE_ERROR;\r | |
3953 | }\r | |
3954 | //\r | |
3955 | // Try again with half length if the sense data shows we need to retry.\r | |
3956 | //\r | |
3957 | SectorCount >>= 1;\r | |
3958 | *DataLength = SectorCount * ScsiDiskDevice->BlkIo.Media->BlockSize;\r | |
3959 | goto BackOff;\r | |
3960 | } else {\r | |
3961 | *NeedRetry = FALSE;\r | |
3962 | return EFI_DEVICE_ERROR;\r | |
3963 | }\r | |
3964 | }\r | |
3965 | \r | |
3966 | return ReturnStatus;\r | |
3967 | }\r | |
3968 | \r | |
3969 | \r | |
3970 | /**\r | |
3971 | Submit Write(16) Command.\r | |
3972 | \r | |
3973 | @param ScsiDiskDevice The pointer of ScsiDiskDevice\r | |
3974 | @param NeedRetry The pointer of flag indicates if needs retry if error happens\r | |
3975 | @param Timeout The time to complete the command\r | |
3976 | @param DataBuffer The buffer to fill with the read out data\r | |
3977 | @param DataLength The length of buffer\r | |
3978 | @param StartLba The start logic block address\r | |
3979 | @param SectorCount The number of blocks to write\r | |
3980 | \r | |
3981 | @return EFI_STATUS is returned by calling ScsiWrite16Command().\r | |
3982 | \r | |
3983 | **/\r | |
3984 | EFI_STATUS\r | |
3985 | ScsiDiskWrite16 (\r | |
3986 | IN SCSI_DISK_DEV *ScsiDiskDevice,\r | |
3987 | OUT BOOLEAN *NeedRetry,\r | |
3988 | IN UINT64 Timeout,\r | |
3989 | IN UINT8 *DataBuffer,\r | |
3990 | IN OUT UINT32 *DataLength,\r | |
3991 | IN UINT64 StartLba,\r | |
3992 | IN UINT32 SectorCount\r | |
3993 | )\r | |
3994 | {\r | |
3995 | EFI_STATUS Status;\r | |
3996 | EFI_STATUS ReturnStatus;\r | |
3997 | UINT8 SenseDataLength;\r | |
3998 | UINT8 HostAdapterStatus;\r | |
3999 | UINT8 TargetStatus;\r | |
4000 | UINTN Action;\r | |
4001 | \r | |
4002 | //\r | |
4003 | // Implement a backoff algorithem to resolve some compatibility issues that\r | |
4004 | // some SCSI targets or ATAPI devices couldn't correctly response reading/writing\r | |
4005 | // big data in a single operation.\r | |
4006 | // This algorithem will at first try to execute original request. If the request fails\r | |
4007 | // with media error sense data or else, it will reduce the transfer length to half and\r | |
4008 | // try again till the operation succeeds or fails with one sector transfer length.\r | |
4009 | //\r | |
4010 | BackOff:\r | |
4011 | *NeedRetry = FALSE;\r | |
4012 | Action = ACTION_NO_ACTION;\r | |
4013 | SenseDataLength = (UINT8) (ScsiDiskDevice->SenseDataNumber * sizeof (EFI_SCSI_SENSE_DATA));\r | |
4014 | ReturnStatus = ScsiWrite16Command (\r | |
4015 | ScsiDiskDevice->ScsiIo,\r | |
4016 | Timeout,\r | |
4017 | ScsiDiskDevice->SenseData,\r | |
4018 | &SenseDataLength,\r | |
4019 | &HostAdapterStatus,\r | |
4020 | &TargetStatus,\r | |
4021 | DataBuffer,\r | |
4022 | DataLength,\r | |
4023 | StartLba,\r | |
4024 | SectorCount\r | |
4025 | );\r | |
4026 | if (ReturnStatus == EFI_NOT_READY || ReturnStatus == EFI_BAD_BUFFER_SIZE) {\r | |
4027 | *NeedRetry = TRUE;\r | |
4028 | return EFI_DEVICE_ERROR;\r | |
4029 | } else if ((ReturnStatus == EFI_INVALID_PARAMETER) || (ReturnStatus == EFI_UNSUPPORTED)) {\r | |
4030 | *NeedRetry = FALSE;\r | |
4031 | return ReturnStatus;\r | |
4032 | }\r | |
4033 | \r | |
4034 | //\r | |
4035 | // go ahead to check HostAdapterStatus and TargetStatus\r | |
4036 | // (EFI_TIMEOUT, EFI_DEVICE_ERROR, EFI_WARN_BUFFER_TOO_SMALL)\r | |
4037 | //\r | |
4038 | Status = CheckHostAdapterStatus (HostAdapterStatus);\r | |
4039 | if ((Status == EFI_TIMEOUT) || (Status == EFI_NOT_READY)) {\r | |
4040 | *NeedRetry = TRUE;\r | |
4041 | return EFI_DEVICE_ERROR;\r | |
4042 | } else if (Status == EFI_DEVICE_ERROR) {\r | |
4043 | //\r | |
4044 | // reset the scsi channel\r | |
4045 | //\r | |
4046 | ScsiDiskDevice->ScsiIo->ResetBus (ScsiDiskDevice->ScsiIo);\r | |
4047 | *NeedRetry = FALSE;\r | |
4048 | return EFI_DEVICE_ERROR;\r | |
4049 | }\r | |
4050 | \r | |
4051 | Status = CheckTargetStatus (TargetStatus);\r | |
4052 | if (Status == EFI_NOT_READY) {\r | |
4053 | //\r | |
4054 | // reset the scsi device\r | |
4055 | //\r | |
4056 | ScsiDiskDevice->ScsiIo->ResetDevice (ScsiDiskDevice->ScsiIo);\r | |
4057 | *NeedRetry = TRUE;\r | |
4058 | return EFI_DEVICE_ERROR;\r | |
4059 | } else if (Status == EFI_DEVICE_ERROR) {\r | |
4060 | *NeedRetry = FALSE;\r | |
4061 | return EFI_DEVICE_ERROR;\r | |
4062 | }\r | |
4063 | \r | |
4064 | if ((TargetStatus == EFI_EXT_SCSI_STATUS_TARGET_CHECK_CONDITION) || (EFI_ERROR (ReturnStatus))) {\r | |
4065 | DEBUG ((EFI_D_ERROR, "ScsiDiskWrite16: Check Condition happened!\n"));\r | |
4066 | Status = DetectMediaParsingSenseKeys (ScsiDiskDevice, ScsiDiskDevice->SenseData, SenseDataLength / sizeof (EFI_SCSI_SENSE_DATA), &Action);\r | |
4067 | if (Action == ACTION_RETRY_COMMAND_LATER) {\r | |
4068 | *NeedRetry = TRUE;\r | |
4069 | return EFI_DEVICE_ERROR;\r | |
4070 | } else if (Action == ACTION_RETRY_WITH_BACKOFF_ALGO) {\r | |
4071 | if (SectorCount <= 1) {\r | |
4072 | //\r | |
4073 | // Jump out if the operation still fails with one sector transfer length.\r | |
4074 | //\r | |
4075 | *NeedRetry = FALSE;\r | |
4076 | return EFI_DEVICE_ERROR;\r | |
4077 | }\r | |
4078 | //\r | |
4079 | // Try again with half length if the sense data shows we need to retry.\r | |
4080 | //\r | |
4081 | SectorCount >>= 1;\r | |
4082 | *DataLength = SectorCount * ScsiDiskDevice->BlkIo.Media->BlockSize;\r | |
4083 | goto BackOff;\r | |
4084 | } else {\r | |
4085 | *NeedRetry = FALSE;\r | |
4086 | return EFI_DEVICE_ERROR;\r | |
4087 | }\r | |
4088 | }\r | |
4089 | \r | |
4090 | return ReturnStatus;\r | |
4091 | }\r | |
4092 | \r | |
4093 | \r | |
4094 | /**\r | |
4095 | Internal helper notify function in which determine whether retry of a SCSI\r | |
4096 | Read/Write command is needed and signal the event passed from Block I/O(2) if\r | |
4097 | the SCSI I/O operation completes.\r | |
4098 | \r | |
4099 | @param Event The instance of EFI_EVENT.\r | |
4100 | @param Context The parameter passed in.\r | |
4101 | \r | |
4102 | **/\r | |
4103 | VOID\r | |
4104 | EFIAPI\r | |
4105 | ScsiDiskNotify (\r | |
4106 | IN EFI_EVENT Event,\r | |
4107 | IN VOID *Context\r | |
4108 | )\r | |
4109 | {\r | |
4110 | EFI_STATUS Status;\r | |
4111 | SCSI_ASYNC_RW_REQUEST *Request;\r | |
4112 | SCSI_DISK_DEV *ScsiDiskDevice;\r | |
4113 | EFI_BLOCK_IO2_TOKEN *Token;\r | |
4114 | UINTN Action;\r | |
4115 | UINT32 OldDataLength;\r | |
4116 | UINT32 OldSectorCount;\r | |
4117 | UINT8 MaxRetry;\r | |
4118 | \r | |
4119 | gBS->CloseEvent (Event);\r | |
4120 | \r | |
4121 | Request = (SCSI_ASYNC_RW_REQUEST *) Context;\r | |
4122 | ScsiDiskDevice = Request->ScsiDiskDevice;\r | |
4123 | Token = Request->BlkIo2Req->Token;\r | |
4124 | OldDataLength = Request->DataLength;\r | |
4125 | OldSectorCount = Request->SectorCount;\r | |
4126 | MaxRetry = 2;\r | |
4127 | \r | |
4128 | //\r | |
4129 | // If previous sub-tasks already fails, no need to process this sub-task.\r | |
4130 | //\r | |
4131 | if (Token->TransactionStatus != EFI_SUCCESS) {\r | |
4132 | goto Exit;\r | |
4133 | }\r | |
4134 | \r | |
4135 | //\r | |
4136 | // Check HostAdapterStatus and TargetStatus\r | |
4137 | // (EFI_TIMEOUT, EFI_DEVICE_ERROR, EFI_WARN_BUFFER_TOO_SMALL)\r | |
4138 | //\r | |
4139 | Status = CheckHostAdapterStatus (Request->HostAdapterStatus);\r | |
4140 | if ((Status == EFI_TIMEOUT) || (Status == EFI_NOT_READY)) {\r | |
4141 | if (++Request->TimesRetry > MaxRetry) {\r | |
4142 | Token->TransactionStatus = EFI_DEVICE_ERROR;\r | |
4143 | goto Exit;\r | |
4144 | } else {\r | |
4145 | goto Retry;\r | |
4146 | }\r | |
4147 | } else if (Status == EFI_DEVICE_ERROR) {\r | |
4148 | //\r | |
4149 | // reset the scsi channel\r | |
4150 | //\r | |
4151 | ScsiDiskDevice->ScsiIo->ResetBus (ScsiDiskDevice->ScsiIo);\r | |
4152 | Token->TransactionStatus = EFI_DEVICE_ERROR;\r | |
4153 | goto Exit;\r | |
4154 | }\r | |
4155 | \r | |
4156 | Status = CheckTargetStatus (Request->TargetStatus);\r | |
4157 | if (Status == EFI_NOT_READY) {\r | |
4158 | //\r | |
4159 | // reset the scsi device\r | |
4160 | //\r | |
4161 | ScsiDiskDevice->ScsiIo->ResetDevice (ScsiDiskDevice->ScsiIo);\r | |
4162 | if (++Request->TimesRetry > MaxRetry) {\r | |
4163 | Token->TransactionStatus = EFI_DEVICE_ERROR;\r | |
4164 | goto Exit;\r | |
4165 | } else {\r | |
4166 | goto Retry;\r | |
4167 | }\r | |
4168 | } else if (Status == EFI_DEVICE_ERROR) {\r | |
4169 | Token->TransactionStatus = EFI_DEVICE_ERROR;\r | |
4170 | goto Exit;\r | |
4171 | }\r | |
4172 | \r | |
4173 | if (Request->TargetStatus == EFI_EXT_SCSI_STATUS_TARGET_CHECK_CONDITION) {\r | |
4174 | DEBUG ((EFI_D_ERROR, "ScsiDiskNotify: Check Condition happened!\n"));\r | |
4175 | \r | |
4176 | Status = DetectMediaParsingSenseKeys (\r | |
4177 | ScsiDiskDevice,\r | |
4178 | Request->SenseData,\r | |
4179 | Request->SenseDataLength / sizeof (EFI_SCSI_SENSE_DATA),\r | |
4180 | &Action\r | |
4181 | );\r | |
4182 | if (Action == ACTION_RETRY_COMMAND_LATER) {\r | |
4183 | if (++Request->TimesRetry > MaxRetry) {\r | |
4184 | Token->TransactionStatus = EFI_DEVICE_ERROR;\r | |
4185 | goto Exit;\r | |
4186 | } else {\r | |
4187 | goto Retry;\r | |
4188 | }\r | |
4189 | } else if (Action == ACTION_RETRY_WITH_BACKOFF_ALGO) {\r | |
4190 | if (Request->SectorCount <= 1) {\r | |
4191 | //\r | |
4192 | // Jump out if the operation still fails with one sector transfer\r | |
4193 | // length.\r | |
4194 | //\r | |
4195 | Token->TransactionStatus = EFI_DEVICE_ERROR;\r | |
4196 | goto Exit;\r | |
4197 | }\r | |
4198 | //\r | |
4199 | // Try again with two half length request if the sense data shows we need\r | |
4200 | // to retry.\r | |
4201 | //\r | |
4202 | Request->SectorCount >>= 1;\r | |
4203 | Request->DataLength = Request->SectorCount * ScsiDiskDevice->BlkIo.Media->BlockSize;\r | |
4204 | Request->TimesRetry = 0;\r | |
4205 | \r | |
4206 | goto Retry;\r | |
4207 | } else {\r | |
4208 | Token->TransactionStatus = EFI_DEVICE_ERROR;\r | |
4209 | goto Exit;\r | |
4210 | }\r | |
4211 | }\r | |
4212 | \r | |
4213 | //\r | |
4214 | // This sub-task succeeds, no need to retry.\r | |
4215 | //\r | |
4216 | goto Exit;\r | |
4217 | \r | |
4218 | Retry:\r | |
4219 | if (Request->InBuffer != NULL) {\r | |
4220 | //\r | |
4221 | // SCSI read command\r | |
4222 | //\r | |
4223 | if (!ScsiDiskDevice->Cdb16Byte) {\r | |
4224 | Status = ScsiDiskAsyncRead10 (\r | |
4225 | ScsiDiskDevice,\r | |
4226 | Request->Timeout,\r | |
4227 | Request->TimesRetry,\r | |
4228 | Request->InBuffer,\r | |
4229 | Request->DataLength,\r | |
4230 | (UINT32) Request->StartLba,\r | |
4231 | Request->SectorCount,\r | |
4232 | Request->BlkIo2Req,\r | |
4233 | Token\r | |
4234 | );\r | |
4235 | } else {\r | |
4236 | Status = ScsiDiskAsyncRead16 (\r | |
4237 | ScsiDiskDevice,\r | |
4238 | Request->Timeout,\r | |
4239 | Request->TimesRetry,\r | |
4240 | Request->InBuffer,\r | |
4241 | Request->DataLength,\r | |
4242 | Request->StartLba,\r | |
4243 | Request->SectorCount,\r | |
4244 | Request->BlkIo2Req,\r | |
4245 | Token\r | |
4246 | );\r | |
4247 | }\r | |
4248 | \r | |
4249 | if (EFI_ERROR (Status)) {\r | |
4250 | Token->TransactionStatus = EFI_DEVICE_ERROR;\r | |
4251 | goto Exit;\r | |
4252 | } else if (OldSectorCount != Request->SectorCount) {\r | |
4253 | //\r | |
4254 | // Original sub-task will be split into two new sub-tasks with smaller\r | |
4255 | // DataLength\r | |
4256 | //\r | |
4257 | if (!ScsiDiskDevice->Cdb16Byte) {\r | |
4258 | Status = ScsiDiskAsyncRead10 (\r | |
4259 | ScsiDiskDevice,\r | |
4260 | Request->Timeout,\r | |
4261 | 0,\r | |
4262 | Request->InBuffer + Request->SectorCount * ScsiDiskDevice->BlkIo.Media->BlockSize,\r | |
4263 | OldDataLength - Request->DataLength,\r | |
4264 | (UINT32) Request->StartLba + Request->SectorCount,\r | |
4265 | OldSectorCount - Request->SectorCount,\r | |
4266 | Request->BlkIo2Req,\r | |
4267 | Token\r | |
4268 | );\r | |
4269 | } else {\r | |
4270 | Status = ScsiDiskAsyncRead16 (\r | |
4271 | ScsiDiskDevice,\r | |
4272 | Request->Timeout,\r | |
4273 | 0,\r | |
4274 | Request->InBuffer + Request->SectorCount * ScsiDiskDevice->BlkIo.Media->BlockSize,\r | |
4275 | OldDataLength - Request->DataLength,\r | |
4276 | Request->StartLba + Request->SectorCount,\r | |
4277 | OldSectorCount - Request->SectorCount,\r | |
4278 | Request->BlkIo2Req,\r | |
4279 | Token\r | |
4280 | );\r | |
4281 | }\r | |
4282 | if (EFI_ERROR (Status)) {\r | |
4283 | Token->TransactionStatus = EFI_DEVICE_ERROR;\r | |
4284 | goto Exit;\r | |
4285 | }\r | |
4286 | }\r | |
4287 | } else {\r | |
4288 | //\r | |
4289 | // SCSI write command\r | |
4290 | //\r | |
4291 | if (!ScsiDiskDevice->Cdb16Byte) {\r | |
4292 | Status = ScsiDiskAsyncWrite10 (\r | |
4293 | ScsiDiskDevice,\r | |
4294 | Request->Timeout,\r | |
4295 | Request->TimesRetry,\r | |
4296 | Request->OutBuffer,\r | |
4297 | Request->DataLength,\r | |
4298 | (UINT32) Request->StartLba,\r | |
4299 | Request->SectorCount,\r | |
4300 | Request->BlkIo2Req,\r | |
4301 | Token\r | |
4302 | );\r | |
4303 | } else {\r | |
4304 | Status = ScsiDiskAsyncWrite16 (\r | |
4305 | ScsiDiskDevice,\r | |
4306 | Request->Timeout,\r | |
4307 | Request->TimesRetry,\r | |
4308 | Request->OutBuffer,\r | |
4309 | Request->DataLength,\r | |
4310 | Request->StartLba,\r | |
4311 | Request->SectorCount,\r | |
4312 | Request->BlkIo2Req,\r | |
4313 | Token\r | |
4314 | );\r | |
4315 | }\r | |
4316 | \r | |
4317 | if (EFI_ERROR (Status)) {\r | |
4318 | Token->TransactionStatus = EFI_DEVICE_ERROR;\r | |
4319 | goto Exit;\r | |
4320 | } else if (OldSectorCount != Request->SectorCount) {\r | |
4321 | //\r | |
4322 | // Original sub-task will be split into two new sub-tasks with smaller\r | |
4323 | // DataLength\r | |
4324 | //\r | |
4325 | if (!ScsiDiskDevice->Cdb16Byte) {\r | |
4326 | Status = ScsiDiskAsyncWrite10 (\r | |
4327 | ScsiDiskDevice,\r | |
4328 | Request->Timeout,\r | |
4329 | 0,\r | |
4330 | Request->OutBuffer + Request->SectorCount * ScsiDiskDevice->BlkIo.Media->BlockSize,\r | |
4331 | OldDataLength - Request->DataLength,\r | |
4332 | (UINT32) Request->StartLba + Request->SectorCount,\r | |
4333 | OldSectorCount - Request->SectorCount,\r | |
4334 | Request->BlkIo2Req,\r | |
4335 | Token\r | |
4336 | );\r | |
4337 | } else {\r | |
4338 | Status = ScsiDiskAsyncWrite16 (\r | |
4339 | ScsiDiskDevice,\r | |
4340 | Request->Timeout,\r | |
4341 | 0,\r | |
4342 | Request->OutBuffer + Request->SectorCount * ScsiDiskDevice->BlkIo.Media->BlockSize,\r | |
4343 | OldDataLength - Request->DataLength,\r | |
4344 | Request->StartLba + Request->SectorCount,\r | |
4345 | OldSectorCount - Request->SectorCount,\r | |
4346 | Request->BlkIo2Req,\r | |
4347 | Token\r | |
4348 | );\r | |
4349 | }\r | |
4350 | if (EFI_ERROR (Status)) {\r | |
4351 | Token->TransactionStatus = EFI_DEVICE_ERROR;\r | |
4352 | goto Exit;\r | |
4353 | }\r | |
4354 | }\r | |
4355 | }\r | |
4356 | \r | |
4357 | Exit:\r | |
4358 | RemoveEntryList (&Request->Link);\r | |
4359 | if ((IsListEmpty (&Request->BlkIo2Req->ScsiRWQueue)) &&\r | |
4360 | (Request->BlkIo2Req->LastScsiRW)) {\r | |
4361 | //\r | |
4362 | // The last SCSI R/W command of a BlockIo2 request completes\r | |
4363 | //\r | |
4364 | RemoveEntryList (&Request->BlkIo2Req->Link);\r | |
4365 | FreePool (Request->BlkIo2Req); // Should be freed only once\r | |
4366 | gBS->SignalEvent (Token->Event);\r | |
4367 | }\r | |
4368 | \r | |
4369 | FreePool (Request->SenseData);\r | |
4370 | FreePool (Request);\r | |
4371 | }\r | |
4372 | \r | |
4373 | \r | |
4374 | /**\r | |
4375 | Submit Async Read(10) command.\r | |
4376 | \r | |
4377 | @param ScsiDiskDevice The pointer of ScsiDiskDevice.\r | |
4378 | @param Timeout The time to complete the command.\r | |
4379 | @param TimesRetry The number of times the command has been retried.\r | |
4380 | @param DataBuffer The buffer to fill with the read out data.\r | |
4381 | @param DataLength The length of buffer.\r | |
4382 | @param StartLba The start logic block address.\r | |
4383 | @param SectorCount The number of blocks to read.\r | |
4384 | @param BlkIo2Req The upstream BlockIo2 request.\r | |
4385 | @param Token The pointer to the token associated with the\r | |
4386 | non-blocking read request.\r | |
4387 | \r | |
4388 | @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a\r | |
4389 | lack of resources.\r | |
4390 | @return others Status returned by calling\r | |
4391 | ScsiRead10CommandEx().\r | |
4392 | \r | |
4393 | **/\r | |
4394 | EFI_STATUS\r | |
4395 | ScsiDiskAsyncRead10 (\r | |
4396 | IN SCSI_DISK_DEV *ScsiDiskDevice,\r | |
4397 | IN UINT64 Timeout,\r | |
4398 | IN UINT8 TimesRetry,\r | |
4399 | OUT UINT8 *DataBuffer,\r | |
4400 | IN UINT32 DataLength,\r | |
4401 | IN UINT32 StartLba,\r | |
4402 | IN UINT32 SectorCount,\r | |
4403 | IN OUT SCSI_BLKIO2_REQUEST *BlkIo2Req,\r | |
4404 | IN EFI_BLOCK_IO2_TOKEN *Token\r | |
4405 | )\r | |
4406 | {\r | |
4407 | EFI_STATUS Status;\r | |
4408 | SCSI_ASYNC_RW_REQUEST *Request;\r | |
4409 | EFI_EVENT AsyncIoEvent;\r | |
4410 | EFI_TPL OldTpl;\r | |
4411 | \r | |
4412 | AsyncIoEvent = NULL;\r | |
4413 | \r | |
4414 | Request = AllocateZeroPool (sizeof (SCSI_ASYNC_RW_REQUEST));\r | |
4415 | if (Request == NULL) {\r | |
4416 | return EFI_OUT_OF_RESOURCES;\r | |
4417 | }\r | |
4418 | \r | |
4419 | OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r | |
4420 | InsertTailList (&BlkIo2Req->ScsiRWQueue, &Request->Link);\r | |
4421 | gBS->RestoreTPL (OldTpl);\r | |
4422 | \r | |
4423 | Request->SenseDataLength = (UINT8) (6 * sizeof (EFI_SCSI_SENSE_DATA));\r | |
4424 | Request->SenseData = AllocateZeroPool (Request->SenseDataLength);\r | |
4425 | if (Request->SenseData == NULL) {\r | |
4426 | Status = EFI_OUT_OF_RESOURCES;\r | |
4427 | goto ErrorExit;\r | |
4428 | }\r | |
4429 | \r | |
4430 | Request->ScsiDiskDevice = ScsiDiskDevice;\r | |
4431 | Request->Timeout = Timeout;\r | |
4432 | Request->TimesRetry = TimesRetry;\r | |
4433 | Request->InBuffer = DataBuffer;\r | |
4434 | Request->DataLength = DataLength;\r | |
4435 | Request->StartLba = StartLba;\r | |
4436 | Request->SectorCount = SectorCount;\r | |
4437 | Request->BlkIo2Req = BlkIo2Req;\r | |
4438 | \r | |
4439 | //\r | |
4440 | // Create Event\r | |
4441 | //\r | |
4442 | Status = gBS->CreateEvent (\r | |
4443 | EVT_NOTIFY_SIGNAL,\r | |
4444 | TPL_NOTIFY,\r | |
4445 | ScsiDiskNotify,\r | |
4446 | Request,\r | |
4447 | &AsyncIoEvent\r | |
4448 | );\r | |
4449 | if (EFI_ERROR(Status)) {\r | |
4450 | goto ErrorExit;\r | |
4451 | }\r | |
4452 | \r | |
4453 | Status = ScsiRead10CommandEx (\r | |
4454 | ScsiDiskDevice->ScsiIo,\r | |
4455 | Request->Timeout,\r | |
4456 | Request->SenseData,\r | |
4457 | &Request->SenseDataLength,\r | |
4458 | &Request->HostAdapterStatus,\r | |
4459 | &Request->TargetStatus,\r | |
4460 | Request->InBuffer,\r | |
4461 | &Request->DataLength,\r | |
4462 | (UINT32) Request->StartLba,\r | |
4463 | Request->SectorCount,\r | |
4464 | AsyncIoEvent\r | |
4465 | );\r | |
4466 | if (EFI_ERROR(Status)) {\r | |
4467 | goto ErrorExit;\r | |
4468 | }\r | |
4469 | \r | |
4470 | return EFI_SUCCESS;\r | |
4471 | \r | |
4472 | ErrorExit:\r | |
4473 | if (AsyncIoEvent != NULL) {\r | |
4474 | gBS->CloseEvent (AsyncIoEvent);\r | |
4475 | }\r | |
4476 | \r | |
4477 | if (Request != NULL) {\r | |
4478 | if (Request->SenseData != NULL) {\r | |
4479 | FreePool (Request->SenseData);\r | |
4480 | }\r | |
4481 | \r | |
4482 | OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r | |
4483 | RemoveEntryList (&Request->Link);\r | |
4484 | gBS->RestoreTPL (OldTpl);\r | |
4485 | \r | |
4486 | FreePool (Request);\r | |
4487 | }\r | |
4488 | \r | |
4489 | return Status;\r | |
4490 | }\r | |
4491 | \r | |
4492 | \r | |
4493 | /**\r | |
4494 | Submit Async Write(10) command.\r | |
4495 | \r | |
4496 | @param ScsiDiskDevice The pointer of ScsiDiskDevice.\r | |
4497 | @param Timeout The time to complete the command.\r | |
4498 | @param TimesRetry The number of times the command has been retried.\r | |
4499 | @param DataBuffer The buffer contains the data to write.\r | |
4500 | @param DataLength The length of buffer.\r | |
4501 | @param StartLba The start logic block address.\r | |
4502 | @param SectorCount The number of blocks to write.\r | |
4503 | @param BlkIo2Req The upstream BlockIo2 request.\r | |
4504 | @param Token The pointer to the token associated with the\r | |
4505 | non-blocking read request.\r | |
4506 | \r | |
4507 | @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a\r | |
4508 | lack of resources.\r | |
4509 | @return others Status returned by calling\r | |
4510 | ScsiWrite10CommandEx().\r | |
4511 | \r | |
4512 | **/\r | |
4513 | EFI_STATUS\r | |
4514 | ScsiDiskAsyncWrite10 (\r | |
4515 | IN SCSI_DISK_DEV *ScsiDiskDevice,\r | |
4516 | IN UINT64 Timeout,\r | |
4517 | IN UINT8 TimesRetry,\r | |
4518 | IN UINT8 *DataBuffer,\r | |
4519 | IN UINT32 DataLength,\r | |
4520 | IN UINT32 StartLba,\r | |
4521 | IN UINT32 SectorCount,\r | |
4522 | IN OUT SCSI_BLKIO2_REQUEST *BlkIo2Req,\r | |
4523 | IN EFI_BLOCK_IO2_TOKEN *Token\r | |
4524 | )\r | |
4525 | {\r | |
4526 | EFI_STATUS Status;\r | |
4527 | SCSI_ASYNC_RW_REQUEST *Request;\r | |
4528 | EFI_EVENT AsyncIoEvent;\r | |
4529 | EFI_TPL OldTpl;\r | |
4530 | \r | |
4531 | AsyncIoEvent = NULL;\r | |
4532 | \r | |
4533 | Request = AllocateZeroPool (sizeof (SCSI_ASYNC_RW_REQUEST));\r | |
4534 | if (Request == NULL) {\r | |
4535 | return EFI_OUT_OF_RESOURCES;\r | |
4536 | }\r | |
4537 | \r | |
4538 | OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r | |
4539 | InsertTailList (&BlkIo2Req->ScsiRWQueue, &Request->Link);\r | |
4540 | gBS->RestoreTPL (OldTpl);\r | |
4541 | \r | |
4542 | Request->SenseDataLength = (UINT8) (6 * sizeof (EFI_SCSI_SENSE_DATA));\r | |
4543 | Request->SenseData = AllocateZeroPool (Request->SenseDataLength);\r | |
4544 | if (Request->SenseData == NULL) {\r | |
4545 | Status = EFI_OUT_OF_RESOURCES;\r | |
4546 | goto ErrorExit;\r | |
4547 | }\r | |
4548 | \r | |
4549 | Request->ScsiDiskDevice = ScsiDiskDevice;\r | |
4550 | Request->Timeout = Timeout;\r | |
4551 | Request->TimesRetry = TimesRetry;\r | |
4552 | Request->OutBuffer = DataBuffer;\r | |
4553 | Request->DataLength = DataLength;\r | |
4554 | Request->StartLba = StartLba;\r | |
4555 | Request->SectorCount = SectorCount;\r | |
4556 | Request->BlkIo2Req = BlkIo2Req;\r | |
4557 | \r | |
4558 | //\r | |
4559 | // Create Event\r | |
4560 | //\r | |
4561 | Status = gBS->CreateEvent (\r | |
4562 | EVT_NOTIFY_SIGNAL,\r | |
4563 | TPL_NOTIFY,\r | |
4564 | ScsiDiskNotify,\r | |
4565 | Request,\r | |
4566 | &AsyncIoEvent\r | |
4567 | );\r | |
4568 | if (EFI_ERROR(Status)) {\r | |
4569 | goto ErrorExit;\r | |
4570 | }\r | |
4571 | \r | |
4572 | Status = ScsiWrite10CommandEx (\r | |
4573 | ScsiDiskDevice->ScsiIo,\r | |
4574 | Request->Timeout,\r | |
4575 | Request->SenseData,\r | |
4576 | &Request->SenseDataLength,\r | |
4577 | &Request->HostAdapterStatus,\r | |
4578 | &Request->TargetStatus,\r | |
4579 | Request->OutBuffer,\r | |
4580 | &Request->DataLength,\r | |
4581 | (UINT32) Request->StartLba,\r | |
4582 | Request->SectorCount,\r | |
4583 | AsyncIoEvent\r | |
4584 | );\r | |
4585 | if (EFI_ERROR(Status)) {\r | |
4586 | goto ErrorExit;\r | |
4587 | }\r | |
4588 | \r | |
4589 | return EFI_SUCCESS;\r | |
4590 | \r | |
4591 | ErrorExit:\r | |
4592 | if (AsyncIoEvent != NULL) {\r | |
4593 | gBS->CloseEvent (AsyncIoEvent);\r | |
4594 | }\r | |
4595 | \r | |
4596 | if (Request != NULL) {\r | |
4597 | if (Request->SenseData != NULL) {\r | |
4598 | FreePool (Request->SenseData);\r | |
4599 | }\r | |
4600 | \r | |
4601 | OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r | |
4602 | RemoveEntryList (&Request->Link);\r | |
4603 | gBS->RestoreTPL (OldTpl);\r | |
4604 | \r | |
4605 | FreePool (Request);\r | |
4606 | }\r | |
4607 | \r | |
4608 | return Status;\r | |
4609 | }\r | |
4610 | \r | |
4611 | \r | |
4612 | /**\r | |
4613 | Submit Async Read(16) command.\r | |
4614 | \r | |
4615 | @param ScsiDiskDevice The pointer of ScsiDiskDevice.\r | |
4616 | @param Timeout The time to complete the command.\r | |
4617 | @param TimesRetry The number of times the command has been retried.\r | |
4618 | @param DataBuffer The buffer to fill with the read out data.\r | |
4619 | @param DataLength The length of buffer.\r | |
4620 | @param StartLba The start logic block address.\r | |
4621 | @param SectorCount The number of blocks to read.\r | |
4622 | @param BlkIo2Req The upstream BlockIo2 request.\r | |
4623 | @param Token The pointer to the token associated with the\r | |
4624 | non-blocking read request.\r | |
4625 | \r | |
4626 | @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a\r | |
4627 | lack of resources.\r | |
4628 | @return others Status returned by calling\r | |
4629 | ScsiRead16CommandEx().\r | |
4630 | \r | |
4631 | **/\r | |
4632 | EFI_STATUS\r | |
4633 | ScsiDiskAsyncRead16 (\r | |
4634 | IN SCSI_DISK_DEV *ScsiDiskDevice,\r | |
4635 | IN UINT64 Timeout,\r | |
4636 | IN UINT8 TimesRetry,\r | |
4637 | OUT UINT8 *DataBuffer,\r | |
4638 | IN UINT32 DataLength,\r | |
4639 | IN UINT64 StartLba,\r | |
4640 | IN UINT32 SectorCount,\r | |
4641 | IN OUT SCSI_BLKIO2_REQUEST *BlkIo2Req,\r | |
4642 | IN EFI_BLOCK_IO2_TOKEN *Token\r | |
4643 | )\r | |
4644 | {\r | |
4645 | EFI_STATUS Status;\r | |
4646 | SCSI_ASYNC_RW_REQUEST *Request;\r | |
4647 | EFI_EVENT AsyncIoEvent;\r | |
4648 | EFI_TPL OldTpl;\r | |
4649 | \r | |
4650 | AsyncIoEvent = NULL;\r | |
4651 | \r | |
4652 | Request = AllocateZeroPool (sizeof (SCSI_ASYNC_RW_REQUEST));\r | |
4653 | if (Request == NULL) {\r | |
4654 | return EFI_OUT_OF_RESOURCES;\r | |
4655 | }\r | |
4656 | \r | |
4657 | OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r | |
4658 | InsertTailList (&BlkIo2Req->ScsiRWQueue, &Request->Link);\r | |
4659 | gBS->RestoreTPL (OldTpl);\r | |
4660 | \r | |
4661 | Request->SenseDataLength = (UINT8) (6 * sizeof (EFI_SCSI_SENSE_DATA));\r | |
4662 | Request->SenseData = AllocateZeroPool (Request->SenseDataLength);\r | |
4663 | if (Request->SenseData == NULL) {\r | |
4664 | Status = EFI_OUT_OF_RESOURCES;\r | |
4665 | goto ErrorExit;\r | |
4666 | }\r | |
4667 | \r | |
4668 | Request->ScsiDiskDevice = ScsiDiskDevice;\r | |
4669 | Request->Timeout = Timeout;\r | |
4670 | Request->TimesRetry = TimesRetry;\r | |
4671 | Request->InBuffer = DataBuffer;\r | |
4672 | Request->DataLength = DataLength;\r | |
4673 | Request->StartLba = StartLba;\r | |
4674 | Request->SectorCount = SectorCount;\r | |
4675 | Request->BlkIo2Req = BlkIo2Req;\r | |
4676 | \r | |
4677 | //\r | |
4678 | // Create Event\r | |
4679 | //\r | |
4680 | Status = gBS->CreateEvent (\r | |
4681 | EVT_NOTIFY_SIGNAL,\r | |
4682 | TPL_NOTIFY,\r | |
4683 | ScsiDiskNotify,\r | |
4684 | Request,\r | |
4685 | &AsyncIoEvent\r | |
4686 | );\r | |
4687 | if (EFI_ERROR(Status)) {\r | |
4688 | goto ErrorExit;\r | |
4689 | }\r | |
4690 | \r | |
4691 | Status = ScsiRead16CommandEx (\r | |
4692 | ScsiDiskDevice->ScsiIo,\r | |
4693 | Request->Timeout,\r | |
4694 | Request->SenseData,\r | |
4695 | &Request->SenseDataLength,\r | |
4696 | &Request->HostAdapterStatus,\r | |
4697 | &Request->TargetStatus,\r | |
4698 | Request->InBuffer,\r | |
4699 | &Request->DataLength,\r | |
4700 | Request->StartLba,\r | |
4701 | Request->SectorCount,\r | |
4702 | AsyncIoEvent\r | |
4703 | );\r | |
4704 | if (EFI_ERROR(Status)) {\r | |
4705 | goto ErrorExit;\r | |
4706 | }\r | |
4707 | \r | |
4708 | return EFI_SUCCESS;\r | |
4709 | \r | |
4710 | ErrorExit:\r | |
4711 | if (AsyncIoEvent != NULL) {\r | |
4712 | gBS->CloseEvent (AsyncIoEvent);\r | |
4713 | }\r | |
4714 | \r | |
4715 | if (Request != NULL) {\r | |
4716 | if (Request->SenseData != NULL) {\r | |
4717 | FreePool (Request->SenseData);\r | |
4718 | }\r | |
4719 | \r | |
4720 | OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r | |
4721 | RemoveEntryList (&Request->Link);\r | |
4722 | gBS->RestoreTPL (OldTpl);\r | |
4723 | \r | |
4724 | FreePool (Request);\r | |
4725 | }\r | |
4726 | \r | |
4727 | return Status;\r | |
4728 | }\r | |
4729 | \r | |
4730 | \r | |
4731 | /**\r | |
4732 | Submit Async Write(16) command.\r | |
4733 | \r | |
4734 | @param ScsiDiskDevice The pointer of ScsiDiskDevice.\r | |
4735 | @param Timeout The time to complete the command.\r | |
4736 | @param TimesRetry The number of times the command has been retried.\r | |
4737 | @param DataBuffer The buffer contains the data to write.\r | |
4738 | @param DataLength The length of buffer.\r | |
4739 | @param StartLba The start logic block address.\r | |
4740 | @param SectorCount The number of blocks to write.\r | |
4741 | @param BlkIo2Req The upstream BlockIo2 request.\r | |
4742 | @param Token The pointer to the token associated with the\r | |
4743 | non-blocking read request.\r | |
4744 | \r | |
4745 | @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a\r | |
4746 | lack of resources.\r | |
4747 | @return others Status returned by calling\r | |
4748 | ScsiWrite16CommandEx().\r | |
4749 | \r | |
4750 | **/\r | |
4751 | EFI_STATUS\r | |
4752 | ScsiDiskAsyncWrite16 (\r | |
4753 | IN SCSI_DISK_DEV *ScsiDiskDevice,\r | |
4754 | IN UINT64 Timeout,\r | |
4755 | IN UINT8 TimesRetry,\r | |
4756 | IN UINT8 *DataBuffer,\r | |
4757 | IN UINT32 DataLength,\r | |
4758 | IN UINT64 StartLba,\r | |
4759 | IN UINT32 SectorCount,\r | |
4760 | IN OUT SCSI_BLKIO2_REQUEST *BlkIo2Req,\r | |
4761 | IN EFI_BLOCK_IO2_TOKEN *Token\r | |
4762 | )\r | |
4763 | {\r | |
4764 | EFI_STATUS Status;\r | |
4765 | SCSI_ASYNC_RW_REQUEST *Request;\r | |
4766 | EFI_EVENT AsyncIoEvent;\r | |
4767 | EFI_TPL OldTpl;\r | |
4768 | \r | |
4769 | AsyncIoEvent = NULL;\r | |
4770 | \r | |
4771 | Request = AllocateZeroPool (sizeof (SCSI_ASYNC_RW_REQUEST));\r | |
4772 | if (Request == NULL) {\r | |
4773 | return EFI_OUT_OF_RESOURCES;\r | |
4774 | }\r | |
4775 | \r | |
4776 | OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r | |
4777 | InsertTailList (&BlkIo2Req->ScsiRWQueue, &Request->Link);\r | |
4778 | gBS->RestoreTPL (OldTpl);\r | |
4779 | \r | |
4780 | Request->SenseDataLength = (UINT8) (6 * sizeof (EFI_SCSI_SENSE_DATA));\r | |
4781 | Request->SenseData = AllocateZeroPool (Request->SenseDataLength);\r | |
4782 | if (Request->SenseData == NULL) {\r | |
4783 | Status = EFI_OUT_OF_RESOURCES;\r | |
4784 | goto ErrorExit;\r | |
4785 | }\r | |
4786 | \r | |
4787 | Request->ScsiDiskDevice = ScsiDiskDevice;\r | |
4788 | Request->Timeout = Timeout;\r | |
4789 | Request->TimesRetry = TimesRetry;\r | |
4790 | Request->OutBuffer = DataBuffer;\r | |
4791 | Request->DataLength = DataLength;\r | |
4792 | Request->StartLba = StartLba;\r | |
4793 | Request->SectorCount = SectorCount;\r | |
4794 | Request->BlkIo2Req = BlkIo2Req;\r | |
4795 | \r | |
4796 | //\r | |
4797 | // Create Event\r | |
4798 | //\r | |
4799 | Status = gBS->CreateEvent (\r | |
4800 | EVT_NOTIFY_SIGNAL,\r | |
4801 | TPL_NOTIFY,\r | |
4802 | ScsiDiskNotify,\r | |
4803 | Request,\r | |
4804 | &AsyncIoEvent\r | |
4805 | );\r | |
4806 | if (EFI_ERROR(Status)) {\r | |
4807 | goto ErrorExit;\r | |
4808 | }\r | |
4809 | \r | |
4810 | Status = ScsiWrite16CommandEx (\r | |
4811 | ScsiDiskDevice->ScsiIo,\r | |
4812 | Request->Timeout,\r | |
4813 | Request->SenseData,\r | |
4814 | &Request->SenseDataLength,\r | |
4815 | &Request->HostAdapterStatus,\r | |
4816 | &Request->TargetStatus,\r | |
4817 | Request->OutBuffer,\r | |
4818 | &Request->DataLength,\r | |
4819 | Request->StartLba,\r | |
4820 | Request->SectorCount,\r | |
4821 | AsyncIoEvent\r | |
4822 | );\r | |
4823 | if (EFI_ERROR(Status)) {\r | |
4824 | goto ErrorExit;\r | |
4825 | }\r | |
4826 | \r | |
4827 | return EFI_SUCCESS;\r | |
4828 | \r | |
4829 | ErrorExit:\r | |
4830 | if (AsyncIoEvent != NULL) {\r | |
4831 | gBS->CloseEvent (AsyncIoEvent);\r | |
4832 | }\r | |
4833 | \r | |
4834 | if (Request != NULL) {\r | |
4835 | if (Request->SenseData != NULL) {\r | |
4836 | FreePool (Request->SenseData);\r | |
4837 | }\r | |
4838 | \r | |
4839 | OldTpl = gBS->RaiseTPL (TPL_NOTIFY);\r | |
4840 | RemoveEntryList (&Request->Link);\r | |
4841 | gBS->RestoreTPL (OldTpl);\r | |
4842 | \r | |
4843 | FreePool (Request);\r | |
4844 | }\r | |
4845 | \r | |
4846 | return Status;\r | |
4847 | }\r | |
4848 | \r | |
4849 | \r | |
4850 | /**\r | |
4851 | Check sense key to find if media presents.\r | |
4852 | \r | |
4853 | @param SenseData The pointer of EFI_SCSI_SENSE_DATA\r | |
4854 | @param SenseCounts The number of sense key\r | |
4855 | \r | |
4856 | @retval TRUE NOT any media\r | |
4857 | @retval FALSE Media presents\r | |
4858 | **/\r | |
4859 | BOOLEAN\r | |
4860 | ScsiDiskIsNoMedia (\r | |
4861 | IN EFI_SCSI_SENSE_DATA *SenseData,\r | |
4862 | IN UINTN SenseCounts\r | |
4863 | )\r | |
4864 | {\r | |
4865 | EFI_SCSI_SENSE_DATA *SensePtr;\r | |
4866 | UINTN Index;\r | |
4867 | BOOLEAN IsNoMedia;\r | |
4868 | \r | |
4869 | IsNoMedia = FALSE;\r | |
4870 | SensePtr = SenseData;\r | |
4871 | \r | |
4872 | for (Index = 0; Index < SenseCounts; Index++) {\r | |
4873 | //\r | |
4874 | // Sense Key is EFI_SCSI_SK_NOT_READY (0x2),\r | |
4875 | // Additional Sense Code is ASC_NO_MEDIA (0x3A)\r | |
4876 | //\r | |
4877 | if ((SensePtr->Sense_Key == EFI_SCSI_SK_NOT_READY) &&\r | |
4878 | (SensePtr->Addnl_Sense_Code == EFI_SCSI_ASC_NO_MEDIA)) {\r | |
4879 | IsNoMedia = TRUE;\r | |
4880 | }\r | |
4881 | SensePtr++;\r | |
4882 | }\r | |
4883 | \r | |
4884 | return IsNoMedia;\r | |
4885 | }\r | |
4886 | \r | |
4887 | \r | |
4888 | /**\r | |
4889 | Parse sense key.\r | |
4890 | \r | |
4891 | @param SenseData The pointer of EFI_SCSI_SENSE_DATA\r | |
4892 | @param SenseCounts The number of sense key\r | |
4893 | \r | |
4894 | @retval TRUE Error\r | |
4895 | @retval FALSE NOT error\r | |
4896 | \r | |
4897 | **/\r | |
4898 | BOOLEAN\r | |
4899 | ScsiDiskIsMediaError (\r | |
4900 | IN EFI_SCSI_SENSE_DATA *SenseData,\r | |
4901 | IN UINTN SenseCounts\r | |
4902 | )\r | |
4903 | {\r | |
4904 | EFI_SCSI_SENSE_DATA *SensePtr;\r | |
4905 | UINTN Index;\r | |
4906 | BOOLEAN IsError;\r | |
4907 | \r | |
4908 | IsError = FALSE;\r | |
4909 | SensePtr = SenseData;\r | |
4910 | \r | |
4911 | for (Index = 0; Index < SenseCounts; Index++) {\r | |
4912 | \r | |
4913 | switch (SensePtr->Sense_Key) {\r | |
4914 | \r | |
4915 | case EFI_SCSI_SK_MEDIUM_ERROR:\r | |
4916 | //\r | |
4917 | // Sense Key is EFI_SCSI_SK_MEDIUM_ERROR (0x3)\r | |
4918 | //\r | |
4919 | switch (SensePtr->Addnl_Sense_Code) {\r | |
4920 | \r | |
4921 | //\r | |
4922 | // fall through\r | |
4923 | //\r | |
4924 | case EFI_SCSI_ASC_MEDIA_ERR1:\r | |
4925 | \r | |
4926 | //\r | |
4927 | // fall through\r | |
4928 | //\r | |
4929 | case EFI_SCSI_ASC_MEDIA_ERR2:\r | |
4930 | \r | |
4931 | //\r | |
4932 | // fall through\r | |
4933 | //\r | |
4934 | case EFI_SCSI_ASC_MEDIA_ERR3:\r | |
4935 | case EFI_SCSI_ASC_MEDIA_ERR4:\r | |
4936 | IsError = TRUE;\r | |
4937 | break;\r | |
4938 | \r | |
4939 | default:\r | |
4940 | break;\r | |
4941 | }\r | |
4942 | \r | |
4943 | break;\r | |
4944 | \r | |
4945 | case EFI_SCSI_SK_NOT_READY:\r | |
4946 | //\r | |
4947 | // Sense Key is EFI_SCSI_SK_NOT_READY (0x2)\r | |
4948 | //\r | |
4949 | switch (SensePtr->Addnl_Sense_Code) {\r | |
4950 | //\r | |
4951 | // Additional Sense Code is ASC_MEDIA_UPSIDE_DOWN (0x6)\r | |
4952 | //\r | |
4953 | case EFI_SCSI_ASC_MEDIA_UPSIDE_DOWN:\r | |
4954 | IsError = TRUE;\r | |
4955 | break;\r | |
4956 | \r | |
4957 | default:\r | |
4958 | break;\r | |
4959 | }\r | |
4960 | break;\r | |
4961 | \r | |
4962 | default:\r | |
4963 | break;\r | |
4964 | }\r | |
4965 | \r | |
4966 | SensePtr++;\r | |
4967 | }\r | |
4968 | \r | |
4969 | return IsError;\r | |
4970 | }\r | |
4971 | \r | |
4972 | \r | |
4973 | /**\r | |
4974 | Check sense key to find if hardware error happens.\r | |
4975 | \r | |
4976 | @param SenseData The pointer of EFI_SCSI_SENSE_DATA\r | |
4977 | @param SenseCounts The number of sense key\r | |
4978 | \r | |
4979 | @retval TRUE Hardware error exits.\r | |
4980 | @retval FALSE NO error.\r | |
4981 | \r | |
4982 | **/\r | |
4983 | BOOLEAN\r | |
4984 | ScsiDiskIsHardwareError (\r | |
4985 | IN EFI_SCSI_SENSE_DATA *SenseData,\r | |
4986 | IN UINTN SenseCounts\r | |
4987 | )\r | |
4988 | {\r | |
4989 | EFI_SCSI_SENSE_DATA *SensePtr;\r | |
4990 | UINTN Index;\r | |
4991 | BOOLEAN IsError;\r | |
4992 | \r | |
4993 | IsError = FALSE;\r | |
4994 | SensePtr = SenseData;\r | |
4995 | \r | |
4996 | for (Index = 0; Index < SenseCounts; Index++) {\r | |
4997 | \r | |
4998 | //\r | |
4999 | // Sense Key is EFI_SCSI_SK_HARDWARE_ERROR (0x4)\r | |
5000 | //\r | |
5001 | if (SensePtr->Sense_Key == EFI_SCSI_SK_HARDWARE_ERROR) {\r | |
5002 | IsError = TRUE;\r | |
5003 | }\r | |
5004 | \r | |
5005 | SensePtr++;\r | |
5006 | }\r | |
5007 | \r | |
5008 | return IsError;\r | |
5009 | }\r | |
5010 | \r | |
5011 | \r | |
5012 | /**\r | |
5013 | Check sense key to find if media has changed.\r | |
5014 | \r | |
5015 | @param SenseData The pointer of EFI_SCSI_SENSE_DATA\r | |
5016 | @param SenseCounts The number of sense key\r | |
5017 | \r | |
5018 | @retval TRUE Media is changed.\r | |
5019 | @retval FALSE Media is NOT changed.\r | |
5020 | **/\r | |
5021 | BOOLEAN\r | |
5022 | ScsiDiskIsMediaChange (\r | |
5023 | IN EFI_SCSI_SENSE_DATA *SenseData,\r | |
5024 | IN UINTN SenseCounts\r | |
5025 | )\r | |
5026 | {\r | |
5027 | EFI_SCSI_SENSE_DATA *SensePtr;\r | |
5028 | UINTN Index;\r | |
5029 | BOOLEAN IsMediaChanged;\r | |
5030 | \r | |
5031 | IsMediaChanged = FALSE;\r | |
5032 | SensePtr = SenseData;\r | |
5033 | \r | |
5034 | for (Index = 0; Index < SenseCounts; Index++) {\r | |
5035 | //\r | |
5036 | // Sense Key is EFI_SCSI_SK_UNIT_ATTENTION (0x6),\r | |
5037 | // Additional sense code is EFI_SCSI_ASC_MEDIA_CHANGE (0x28)\r | |
5038 | //\r | |
5039 | if ((SensePtr->Sense_Key == EFI_SCSI_SK_UNIT_ATTENTION) &&\r | |
5040 | (SensePtr->Addnl_Sense_Code == EFI_SCSI_ASC_MEDIA_CHANGE)) {\r | |
5041 | IsMediaChanged = TRUE;\r | |
5042 | }\r | |
5043 | \r | |
5044 | SensePtr++;\r | |
5045 | }\r | |
5046 | \r | |
5047 | return IsMediaChanged;\r | |
5048 | }\r | |
5049 | \r | |
5050 | /**\r | |
5051 | Check sense key to find if reset happens.\r | |
5052 | \r | |
5053 | @param SenseData The pointer of EFI_SCSI_SENSE_DATA\r | |
5054 | @param SenseCounts The number of sense key\r | |
5055 | \r | |
5056 | @retval TRUE It is reset before.\r | |
5057 | @retval FALSE It is NOT reset before.\r | |
5058 | \r | |
5059 | **/\r | |
5060 | BOOLEAN\r | |
5061 | ScsiDiskIsResetBefore (\r | |
5062 | IN EFI_SCSI_SENSE_DATA *SenseData,\r | |
5063 | IN UINTN SenseCounts\r | |
5064 | )\r | |
5065 | {\r | |
5066 | EFI_SCSI_SENSE_DATA *SensePtr;\r | |
5067 | UINTN Index;\r | |
5068 | BOOLEAN IsResetBefore;\r | |
5069 | \r | |
5070 | IsResetBefore = FALSE;\r | |
5071 | SensePtr = SenseData;\r | |
5072 | \r | |
5073 | for (Index = 0; Index < SenseCounts; Index++) {\r | |
5074 | \r | |
5075 | //\r | |
5076 | // Sense Key is EFI_SCSI_SK_UNIT_ATTENTION (0x6)\r | |
5077 | // Additional Sense Code is EFI_SCSI_ASC_RESET (0x29)\r | |
5078 | //\r | |
5079 | if ((SensePtr->Sense_Key == EFI_SCSI_SK_UNIT_ATTENTION) &&\r | |
5080 | (SensePtr->Addnl_Sense_Code == EFI_SCSI_ASC_RESET)) {\r | |
5081 | IsResetBefore = TRUE;\r | |
5082 | }\r | |
5083 | \r | |
5084 | SensePtr++;\r | |
5085 | }\r | |
5086 | \r | |
5087 | return IsResetBefore;\r | |
5088 | }\r | |
5089 | \r | |
5090 | /**\r | |
5091 | Check sense key to find if the drive is ready.\r | |
5092 | \r | |
5093 | @param SenseData The pointer of EFI_SCSI_SENSE_DATA\r | |
5094 | @param SenseCounts The number of sense key\r | |
5095 | @param RetryLater The flag means if need a retry \r | |
5096 | \r | |
5097 | @retval TRUE Drive is ready.\r | |
5098 | @retval FALSE Drive is NOT ready.\r | |
5099 | \r | |
5100 | **/\r | |
5101 | BOOLEAN\r | |
5102 | ScsiDiskIsDriveReady (\r | |
5103 | IN EFI_SCSI_SENSE_DATA *SenseData,\r | |
5104 | IN UINTN SenseCounts,\r | |
5105 | OUT BOOLEAN *RetryLater\r | |
5106 | )\r | |
5107 | {\r | |
5108 | EFI_SCSI_SENSE_DATA *SensePtr;\r | |
5109 | UINTN Index;\r | |
5110 | BOOLEAN IsReady;\r | |
5111 | \r | |
5112 | IsReady = TRUE;\r | |
5113 | *RetryLater = FALSE;\r | |
5114 | SensePtr = SenseData;\r | |
5115 | \r | |
5116 | for (Index = 0; Index < SenseCounts; Index++) {\r | |
5117 | \r | |
5118 | switch (SensePtr->Sense_Key) {\r | |
5119 | \r | |
5120 | case EFI_SCSI_SK_NOT_READY:\r | |
5121 | //\r | |
5122 | // Sense Key is EFI_SCSI_SK_NOT_READY (0x2)\r | |
5123 | //\r | |
5124 | switch (SensePtr->Addnl_Sense_Code) {\r | |
5125 | case EFI_SCSI_ASC_NOT_READY:\r | |
5126 | //\r | |
5127 | // Additional Sense Code is EFI_SCSI_ASC_NOT_READY (0x4)\r | |
5128 | //\r | |
5129 | switch (SensePtr->Addnl_Sense_Code_Qualifier) {\r | |
5130 | case EFI_SCSI_ASCQ_IN_PROGRESS:\r | |
5131 | //\r | |
5132 | // Additional Sense Code Qualifier is\r | |
5133 | // EFI_SCSI_ASCQ_IN_PROGRESS (0x1)\r | |
5134 | //\r | |
5135 | IsReady = FALSE;\r | |
5136 | *RetryLater = TRUE;\r | |
5137 | break;\r | |
5138 | \r | |
5139 | default:\r | |
5140 | IsReady = FALSE;\r | |
5141 | *RetryLater = FALSE;\r | |
5142 | break;\r | |
5143 | }\r | |
5144 | break;\r | |
5145 | \r | |
5146 | default:\r | |
5147 | break;\r | |
5148 | }\r | |
5149 | break;\r | |
5150 | \r | |
5151 | default:\r | |
5152 | break;\r | |
5153 | }\r | |
5154 | \r | |
5155 | SensePtr++;\r | |
5156 | }\r | |
5157 | \r | |
5158 | return IsReady;\r | |
5159 | }\r | |
5160 | \r | |
5161 | /**\r | |
5162 | Check sense key to find if it has sense key.\r | |
5163 | \r | |
5164 | @param SenseData - The pointer of EFI_SCSI_SENSE_DATA\r | |
5165 | @param SenseCounts - The number of sense key\r | |
5166 | \r | |
5167 | @retval TRUE It has sense key.\r | |
5168 | @retval FALSE It has NOT any sense key.\r | |
5169 | \r | |
5170 | **/\r | |
5171 | BOOLEAN\r | |
5172 | ScsiDiskHaveSenseKey (\r | |
5173 | IN EFI_SCSI_SENSE_DATA *SenseData,\r | |
5174 | IN UINTN SenseCounts\r | |
5175 | )\r | |
5176 | {\r | |
5177 | EFI_SCSI_SENSE_DATA *SensePtr;\r | |
5178 | UINTN Index;\r | |
5179 | BOOLEAN HaveSenseKey;\r | |
5180 | \r | |
5181 | if (SenseCounts == 0) {\r | |
5182 | HaveSenseKey = FALSE;\r | |
5183 | } else {\r | |
5184 | HaveSenseKey = TRUE;\r | |
5185 | }\r | |
5186 | \r | |
5187 | SensePtr = SenseData;\r | |
5188 | \r | |
5189 | for (Index = 0; Index < SenseCounts; Index++) {\r | |
5190 | \r | |
5191 | //\r | |
5192 | // Sense Key is SK_NO_SENSE (0x0)\r | |
5193 | //\r | |
5194 | if ((SensePtr->Sense_Key == EFI_SCSI_SK_NO_SENSE) &&\r | |
5195 | (Index == 0)) {\r | |
5196 | HaveSenseKey = FALSE;\r | |
5197 | }\r | |
5198 | \r | |
5199 | SensePtr++;\r | |
5200 | }\r | |
5201 | \r | |
5202 | return HaveSenseKey;\r | |
5203 | }\r | |
5204 | \r | |
5205 | /**\r | |
5206 | Release resource about disk device.\r | |
5207 | \r | |
5208 | @param ScsiDiskDevice The pointer of SCSI_DISK_DEV\r | |
5209 | \r | |
5210 | **/\r | |
5211 | VOID\r | |
5212 | ReleaseScsiDiskDeviceResources (\r | |
5213 | IN SCSI_DISK_DEV *ScsiDiskDevice\r | |
5214 | )\r | |
5215 | {\r | |
5216 | if (ScsiDiskDevice == NULL) {\r | |
5217 | return ;\r | |
5218 | }\r | |
5219 | \r | |
5220 | if (ScsiDiskDevice->SenseData != NULL) {\r | |
5221 | FreePool (ScsiDiskDevice->SenseData);\r | |
5222 | ScsiDiskDevice->SenseData = NULL;\r | |
5223 | }\r | |
5224 | \r | |
5225 | if (ScsiDiskDevice->ControllerNameTable != NULL) {\r | |
5226 | FreeUnicodeStringTable (ScsiDiskDevice->ControllerNameTable);\r | |
5227 | ScsiDiskDevice->ControllerNameTable = NULL;\r | |
5228 | }\r | |
5229 | \r | |
5230 | FreePool (ScsiDiskDevice);\r | |
5231 | \r | |
5232 | ScsiDiskDevice = NULL;\r | |
5233 | }\r | |
5234 | \r | |
5235 | /**\r | |
5236 | Determine if Block Io & Block Io2 should be produced.\r | |
5237 | \r | |
5238 | \r | |
5239 | @param ChildHandle Child Handle to retrieve Parent information.\r | |
5240 | \r | |
5241 | @retval TRUE Should produce Block Io & Block Io2.\r | |
5242 | @retval FALSE Should not produce Block Io & Block Io2.\r | |
5243 | \r | |
5244 | **/ \r | |
5245 | BOOLEAN\r | |
5246 | DetermineInstallBlockIo (\r | |
5247 | IN EFI_HANDLE ChildHandle\r | |
5248 | ) \r | |
5249 | {\r | |
5250 | EFI_SCSI_PASS_THRU_PROTOCOL *ScsiPassThru;\r | |
5251 | EFI_EXT_SCSI_PASS_THRU_PROTOCOL *ExtScsiPassThru;\r | |
5252 | \r | |
5253 | //\r | |
5254 | // Firstly, check if ExtScsiPassThru Protocol parent handle exists. If existence,\r | |
5255 | // check its attribute, logic or physical.\r | |
5256 | //\r | |
5257 | ExtScsiPassThru = (EFI_EXT_SCSI_PASS_THRU_PROTOCOL *)GetParentProtocol (&gEfiExtScsiPassThruProtocolGuid, ChildHandle);\r | |
5258 | if (ExtScsiPassThru != NULL) {\r | |
5259 | if ((ExtScsiPassThru->Mode->Attributes & EFI_SCSI_PASS_THRU_ATTRIBUTES_LOGICAL) != 0) {\r | |
5260 | return TRUE;\r | |
5261 | }\r | |
5262 | }\r | |
5263 | \r | |
5264 | //\r | |
5265 | // Secondly, check if ScsiPassThru Protocol parent handle exists. If existence,\r | |
5266 | // check its attribute, logic or physical.\r | |
5267 | //\r | |
5268 | ScsiPassThru = (EFI_SCSI_PASS_THRU_PROTOCOL *)GetParentProtocol (&gEfiScsiPassThruProtocolGuid, ChildHandle);\r | |
5269 | if (ScsiPassThru != NULL) {\r | |
5270 | if ((ScsiPassThru->Mode->Attributes & EFI_SCSI_PASS_THRU_ATTRIBUTES_LOGICAL) != 0) {\r | |
5271 | return TRUE;\r | |
5272 | }\r | |
5273 | }\r | |
5274 | \r | |
5275 | return FALSE;\r | |
5276 | }\r | |
5277 | \r | |
5278 | /**\r | |
5279 | Search protocol database and check to see if the protocol\r | |
5280 | specified by ProtocolGuid is present on a ControllerHandle and opened by\r | |
5281 | ChildHandle with an attribute of EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER.\r | |
5282 | If the ControllerHandle is found, then the protocol specified by ProtocolGuid\r | |
5283 | will be opened on it. \r | |
5284 | \r | |
5285 | \r | |
5286 | @param ProtocolGuid ProtocolGuid pointer.\r | |
5287 | @param ChildHandle Child Handle to retrieve Parent information.\r | |
5288 | \r | |
5289 | **/ \r | |
5290 | VOID *\r | |
5291 | EFIAPI\r | |
5292 | GetParentProtocol (\r | |
5293 | IN EFI_GUID *ProtocolGuid,\r | |
5294 | IN EFI_HANDLE ChildHandle\r | |
5295 | ) \r | |
5296 | {\r | |
5297 | UINTN Index;\r | |
5298 | UINTN HandleCount;\r | |
5299 | VOID *Interface; \r | |
5300 | EFI_STATUS Status;\r | |
5301 | EFI_HANDLE *HandleBuffer;\r | |
5302 | \r | |
5303 | //\r | |
5304 | // Retrieve the list of all handles from the handle database\r | |
5305 | //\r | |
5306 | Status = gBS->LocateHandleBuffer (\r | |
5307 | ByProtocol,\r | |
5308 | ProtocolGuid,\r | |
5309 | NULL,\r | |
5310 | &HandleCount,\r | |
5311 | &HandleBuffer\r | |
5312 | );\r | |
5313 | \r | |
5314 | if (EFI_ERROR (Status)) {\r | |
5315 | return NULL;\r | |
5316 | }\r | |
5317 | \r | |
5318 | //\r | |
5319 | // Iterate to find who is parent handle that is opened with ProtocolGuid by ChildHandle \r | |
5320 | //\r | |
5321 | for (Index = 0; Index < HandleCount; Index++) {\r | |
5322 | Status = EfiTestChildHandle (HandleBuffer[Index], ChildHandle, ProtocolGuid);\r | |
5323 | if (!EFI_ERROR (Status)) {\r | |
5324 | Status = gBS->HandleProtocol (HandleBuffer[Index], ProtocolGuid, (VOID **)&Interface);\r | |
5325 | if (!EFI_ERROR (Status)) {\r | |
5326 | gBS->FreePool (HandleBuffer);\r | |
5327 | return Interface;\r | |
5328 | }\r | |
5329 | }\r | |
5330 | }\r | |
5331 | \r | |
5332 | gBS->FreePool (HandleBuffer);\r | |
5333 | return NULL;\r | |
5334 | } \r | |
5335 | \r | |
5336 | /**\r | |
5337 | Determine if EFI Erase Block Protocol should be produced.\r | |
5338 | \r | |
5339 | @param ScsiDiskDevice The pointer of SCSI_DISK_DEV.\r | |
5340 | @param ChildHandle Handle of device.\r | |
5341 | \r | |
5342 | @retval TRUE Should produce EFI Erase Block Protocol.\r | |
5343 | @retval FALSE Should not produce EFI Erase Block Protocol.\r | |
5344 | \r | |
5345 | **/\r | |
5346 | BOOLEAN\r | |
5347 | DetermineInstallEraseBlock (\r | |
5348 | IN SCSI_DISK_DEV *ScsiDiskDevice,\r | |
5349 | IN EFI_HANDLE ChildHandle\r | |
5350 | )\r | |
5351 | {\r | |
5352 | UINT8 HostAdapterStatus;\r | |
5353 | UINT8 TargetStatus;\r | |
5354 | EFI_STATUS CommandStatus;\r | |
5355 | EFI_STATUS Status;\r | |
5356 | BOOLEAN UfsDevice;\r | |
5357 | BOOLEAN RetVal;\r | |
5358 | EFI_DEVICE_PATH_PROTOCOL *DevicePathNode;\r | |
5359 | UINT8 SenseDataLength;\r | |
5360 | UINT32 DataLength16;\r | |
5361 | EFI_SCSI_DISK_CAPACITY_DATA16 *CapacityData16;\r | |
5362 | \r | |
5363 | UfsDevice = FALSE;\r | |
5364 | RetVal = TRUE;\r | |
5365 | CapacityData16 = NULL;\r | |
5366 | \r | |
5367 | Status = gBS->HandleProtocol (\r | |
5368 | ChildHandle,\r | |
5369 | &gEfiDevicePathProtocolGuid,\r | |
5370 | (VOID **) &DevicePathNode\r | |
5371 | );\r | |
5372 | //\r | |
5373 | // Device Path protocol must be installed on the device handle.\r | |
5374 | //\r | |
5375 | ASSERT_EFI_ERROR (Status);\r | |
5376 | \r | |
5377 | while (!IsDevicePathEndType (DevicePathNode)) {\r | |
5378 | //\r | |
5379 | // For now, only support Erase Block Protocol on UFS devices.\r | |
5380 | //\r | |
5381 | if ((DevicePathNode->Type == MESSAGING_DEVICE_PATH) &&\r | |
5382 | (DevicePathNode->SubType == MSG_UFS_DP)) {\r | |
5383 | UfsDevice = TRUE;\r | |
5384 | break;\r | |
5385 | }\r | |
5386 | \r | |
5387 | DevicePathNode = NextDevicePathNode (DevicePathNode);\r | |
5388 | }\r | |
5389 | if (!UfsDevice) {\r | |
5390 | RetVal = FALSE;\r | |
5391 | goto Done;\r | |
5392 | }\r | |
5393 | \r | |
5394 | //\r | |
5395 | // Check whether the erase functionality is enabled on the UFS device.\r | |
5396 | //\r | |
5397 | CapacityData16 = AllocateAlignedBuffer (ScsiDiskDevice, sizeof (EFI_SCSI_DISK_CAPACITY_DATA16));\r | |
5398 | if (CapacityData16 == NULL) {\r | |
5399 | RetVal = FALSE;\r | |
5400 | goto Done;\r | |
5401 | }\r | |
5402 | \r | |
5403 | SenseDataLength = 0;\r | |
5404 | DataLength16 = sizeof (EFI_SCSI_DISK_CAPACITY_DATA16);\r | |
5405 | ZeroMem (CapacityData16, sizeof (EFI_SCSI_DISK_CAPACITY_DATA16));\r | |
5406 | \r | |
5407 | CommandStatus = ScsiReadCapacity16Command (\r | |
5408 | ScsiDiskDevice->ScsiIo,\r | |
5409 | SCSI_DISK_TIMEOUT,\r | |
5410 | NULL,\r | |
5411 | &SenseDataLength,\r | |
5412 | &HostAdapterStatus,\r | |
5413 | &TargetStatus,\r | |
5414 | (VOID *) CapacityData16,\r | |
5415 | &DataLength16,\r | |
5416 | FALSE\r | |
5417 | );\r | |
5418 | \r | |
5419 | if (CommandStatus == EFI_SUCCESS) {\r | |
5420 | //\r | |
5421 | // Universal Flash Storage (UFS) Version 2.0\r | |
5422 | // Section 11.3.9.2\r | |
5423 | // Bits TPE and TPRZ should both be set to enable the erase feature on UFS.\r | |
5424 | //\r | |
5425 | if (((CapacityData16->LowestAlignLogic2 & BIT7) == 0) ||\r | |
5426 | ((CapacityData16->LowestAlignLogic2 & BIT6) == 0)) {\r | |
5427 | DEBUG ((\r | |
5428 | EFI_D_VERBOSE,\r | |
5429 | "ScsiDisk EraseBlock: Either TPE or TPRZ is not set: 0x%x.\n",\r | |
5430 | CapacityData16->LowestAlignLogic2\r | |
5431 | ));\r | |
5432 | \r | |
5433 | RetVal = FALSE;\r | |
5434 | goto Done;\r | |
5435 | }\r | |
5436 | } else {\r | |
5437 | DEBUG ((\r | |
5438 | EFI_D_VERBOSE,\r | |
5439 | "ScsiDisk EraseBlock: ReadCapacity16 failed with status %r.\n",\r | |
5440 | CommandStatus\r | |
5441 | ));\r | |
5442 | \r | |
5443 | RetVal = FALSE;\r | |
5444 | goto Done;\r | |
5445 | }\r | |
5446 | \r | |
5447 | //\r | |
5448 | // Check whether the UFS device server implements the UNMAP command.\r | |
5449 | //\r | |
5450 | if ((ScsiDiskDevice->UnmapInfo.MaxLbaCnt == 0) ||\r | |
5451 | (ScsiDiskDevice->UnmapInfo.MaxBlkDespCnt == 0)) {\r | |
5452 | DEBUG ((\r | |
5453 | EFI_D_VERBOSE,\r | |
5454 | "ScsiDisk EraseBlock: The device server does not implement the UNMAP command.\n"\r | |
5455 | ));\r | |
5456 | \r | |
5457 | RetVal = FALSE;\r | |
5458 | goto Done;\r | |
5459 | }\r | |
5460 | \r | |
5461 | Done:\r | |
5462 | if (CapacityData16 != NULL) {\r | |
5463 | FreeAlignedBuffer (CapacityData16, sizeof (EFI_SCSI_DISK_CAPACITY_DATA16));\r | |
5464 | }\r | |
5465 | \r | |
5466 | return RetVal;\r | |
5467 | }\r | |
5468 | \r | |
5469 | /**\r | |
5470 | Provides inquiry information for the controller type.\r | |
5471 | \r | |
5472 | This function is used by the IDE bus driver to get inquiry data. Data format\r | |
5473 | of Identify data is defined by the Interface GUID.\r | |
5474 | \r | |
5475 | @param[in] This Pointer to the EFI_DISK_INFO_PROTOCOL instance.\r | |
5476 | @param[in, out] InquiryData Pointer to a buffer for the inquiry data.\r | |
5477 | @param[in, out] InquiryDataSize Pointer to the value for the inquiry data size.\r | |
5478 | \r | |
5479 | @retval EFI_SUCCESS The command was accepted without any errors.\r | |
5480 | @retval EFI_NOT_FOUND Device does not support this data class \r | |
5481 | @retval EFI_DEVICE_ERROR Error reading InquiryData from device \r | |
5482 | @retval EFI_BUFFER_TOO_SMALL InquiryDataSize not big enough \r | |
5483 | \r | |
5484 | **/\r | |
5485 | EFI_STATUS\r | |
5486 | EFIAPI\r | |
5487 | ScsiDiskInfoInquiry (\r | |
5488 | IN EFI_DISK_INFO_PROTOCOL *This,\r | |
5489 | IN OUT VOID *InquiryData,\r | |
5490 | IN OUT UINT32 *InquiryDataSize\r | |
5491 | )\r | |
5492 | {\r | |
5493 | EFI_STATUS Status;\r | |
5494 | SCSI_DISK_DEV *ScsiDiskDevice;\r | |
5495 | \r | |
5496 | ScsiDiskDevice = SCSI_DISK_DEV_FROM_DISKINFO (This);\r | |
5497 | \r | |
5498 | Status = EFI_BUFFER_TOO_SMALL;\r | |
5499 | if (*InquiryDataSize >= sizeof (ScsiDiskDevice->InquiryData)) {\r | |
5500 | Status = EFI_SUCCESS;\r | |
5501 | CopyMem (InquiryData, &ScsiDiskDevice->InquiryData, sizeof (ScsiDiskDevice->InquiryData));\r | |
5502 | }\r | |
5503 | *InquiryDataSize = sizeof (ScsiDiskDevice->InquiryData);\r | |
5504 | return Status;\r | |
5505 | }\r | |
5506 | \r | |
5507 | \r | |
5508 | /**\r | |
5509 | Provides identify information for the controller type.\r | |
5510 | \r | |
5511 | This function is used by the IDE bus driver to get identify data. Data format\r | |
5512 | of Identify data is defined by the Interface GUID.\r | |
5513 | \r | |
5514 | @param[in] This Pointer to the EFI_DISK_INFO_PROTOCOL \r | |
5515 | instance.\r | |
5516 | @param[in, out] IdentifyData Pointer to a buffer for the identify data.\r | |
5517 | @param[in, out] IdentifyDataSize Pointer to the value for the identify data\r | |
5518 | size.\r | |
5519 | \r | |
5520 | @retval EFI_SUCCESS The command was accepted without any errors.\r | |
5521 | @retval EFI_NOT_FOUND Device does not support this data class \r | |
5522 | @retval EFI_DEVICE_ERROR Error reading IdentifyData from device \r | |
5523 | @retval EFI_BUFFER_TOO_SMALL IdentifyDataSize not big enough \r | |
5524 | \r | |
5525 | **/\r | |
5526 | EFI_STATUS\r | |
5527 | EFIAPI\r | |
5528 | ScsiDiskInfoIdentify (\r | |
5529 | IN EFI_DISK_INFO_PROTOCOL *This,\r | |
5530 | IN OUT VOID *IdentifyData,\r | |
5531 | IN OUT UINT32 *IdentifyDataSize\r | |
5532 | )\r | |
5533 | {\r | |
5534 | EFI_STATUS Status;\r | |
5535 | SCSI_DISK_DEV *ScsiDiskDevice;\r | |
5536 | \r | |
5537 | if (CompareGuid (&This->Interface, &gEfiDiskInfoScsiInterfaceGuid) || CompareGuid (&This->Interface, &gEfiDiskInfoUfsInterfaceGuid)) {\r | |
5538 | //\r | |
5539 | // Physical SCSI bus does not support this data class. \r | |
5540 | //\r | |
5541 | return EFI_NOT_FOUND;\r | |
5542 | }\r | |
5543 | \r | |
5544 | ScsiDiskDevice = SCSI_DISK_DEV_FROM_DISKINFO (This);\r | |
5545 | \r | |
5546 | Status = EFI_BUFFER_TOO_SMALL;\r | |
5547 | if (*IdentifyDataSize >= sizeof (ScsiDiskDevice->IdentifyData)) {\r | |
5548 | Status = EFI_SUCCESS;\r | |
5549 | CopyMem (IdentifyData, &ScsiDiskDevice->IdentifyData, sizeof (ScsiDiskDevice->IdentifyData));\r | |
5550 | }\r | |
5551 | *IdentifyDataSize = sizeof (ScsiDiskDevice->IdentifyData);\r | |
5552 | return Status;\r | |
5553 | }\r | |
5554 | \r | |
5555 | /**\r | |
5556 | Provides sense data information for the controller type.\r | |
5557 | \r | |
5558 | This function is used by the IDE bus driver to get sense data. \r | |
5559 | Data format of Sense data is defined by the Interface GUID.\r | |
5560 | \r | |
5561 | @param[in] This Pointer to the EFI_DISK_INFO_PROTOCOL instance.\r | |
5562 | @param[in, out] SenseData Pointer to the SenseData.\r | |
5563 | @param[in, out] SenseDataSize Size of SenseData in bytes.\r | |
5564 | @param[out] SenseDataNumber Pointer to the value for the sense data size.\r | |
5565 | \r | |
5566 | @retval EFI_SUCCESS The command was accepted without any errors.\r | |
5567 | @retval EFI_NOT_FOUND Device does not support this data class.\r | |
5568 | @retval EFI_DEVICE_ERROR Error reading SenseData from device.\r | |
5569 | @retval EFI_BUFFER_TOO_SMALL SenseDataSize not big enough.\r | |
5570 | \r | |
5571 | **/\r | |
5572 | EFI_STATUS\r | |
5573 | EFIAPI\r | |
5574 | ScsiDiskInfoSenseData (\r | |
5575 | IN EFI_DISK_INFO_PROTOCOL *This,\r | |
5576 | IN OUT VOID *SenseData,\r | |
5577 | IN OUT UINT32 *SenseDataSize,\r | |
5578 | OUT UINT8 *SenseDataNumber\r | |
5579 | )\r | |
5580 | {\r | |
5581 | return EFI_NOT_FOUND;\r | |
5582 | }\r | |
5583 | \r | |
5584 | \r | |
5585 | /**\r | |
5586 | This function is used by the IDE bus driver to get controller information.\r | |
5587 | \r | |
5588 | @param[in] This Pointer to the EFI_DISK_INFO_PROTOCOL instance. \r | |
5589 | @param[out] IdeChannel Pointer to the Ide Channel number. Primary or secondary.\r | |
5590 | @param[out] IdeDevice Pointer to the Ide Device number. Master or slave.\r | |
5591 | \r | |
5592 | @retval EFI_SUCCESS IdeChannel and IdeDevice are valid.\r | |
5593 | @retval EFI_UNSUPPORTED This is not an IDE device.\r | |
5594 | \r | |
5595 | **/\r | |
5596 | EFI_STATUS\r | |
5597 | EFIAPI\r | |
5598 | ScsiDiskInfoWhichIde (\r | |
5599 | IN EFI_DISK_INFO_PROTOCOL *This,\r | |
5600 | OUT UINT32 *IdeChannel,\r | |
5601 | OUT UINT32 *IdeDevice\r | |
5602 | )\r | |
5603 | {\r | |
5604 | SCSI_DISK_DEV *ScsiDiskDevice;\r | |
5605 | \r | |
5606 | if (CompareGuid (&This->Interface, &gEfiDiskInfoScsiInterfaceGuid) || CompareGuid (&This->Interface, &gEfiDiskInfoUfsInterfaceGuid)) {\r | |
5607 | //\r | |
5608 | // This is not an IDE physical device.\r | |
5609 | //\r | |
5610 | return EFI_UNSUPPORTED;\r | |
5611 | }\r | |
5612 | \r | |
5613 | ScsiDiskDevice = SCSI_DISK_DEV_FROM_DISKINFO (This);\r | |
5614 | *IdeChannel = ScsiDiskDevice->Channel;\r | |
5615 | *IdeDevice = ScsiDiskDevice->Device;\r | |
5616 | \r | |
5617 | return EFI_SUCCESS;\r | |
5618 | }\r | |
5619 | \r | |
5620 | \r | |
5621 | /**\r | |
5622 | Issues ATA IDENTIFY DEVICE command to identify ATAPI device.\r | |
5623 | \r | |
5624 | This function tries to fill 512-byte ATAPI_IDENTIFY_DATA for ATAPI device to\r | |
5625 | implement Identify() interface for DiskInfo protocol. The ATA command is sent\r | |
5626 | via SCSI Request Packet.\r | |
5627 | \r | |
5628 | @param ScsiDiskDevice The pointer of SCSI_DISK_DEV\r | |
5629 | \r | |
5630 | @retval EFI_SUCCESS The ATAPI device identify data were retrieved successfully.\r | |
5631 | @retval others Some error occurred during the identification that ATAPI device.\r | |
5632 | \r | |
5633 | **/ \r | |
5634 | EFI_STATUS\r | |
5635 | AtapiIdentifyDevice (\r | |
5636 | IN OUT SCSI_DISK_DEV *ScsiDiskDevice\r | |
5637 | )\r | |
5638 | {\r | |
5639 | EFI_SCSI_IO_SCSI_REQUEST_PACKET CommandPacket;\r | |
5640 | UINT8 Cdb[6];\r | |
5641 | \r | |
5642 | //\r | |
5643 | // Initialize SCSI REQUEST_PACKET and 6-byte Cdb\r | |
5644 | //\r | |
5645 | ZeroMem (&CommandPacket, sizeof (CommandPacket));\r | |
5646 | ZeroMem (Cdb, sizeof (Cdb));\r | |
5647 | \r | |
5648 | Cdb[0] = ATA_CMD_IDENTIFY_DEVICE;\r | |
5649 | CommandPacket.Timeout = SCSI_DISK_TIMEOUT;\r | |
5650 | CommandPacket.Cdb = Cdb;\r | |
5651 | CommandPacket.CdbLength = (UINT8) sizeof (Cdb);\r | |
5652 | CommandPacket.InDataBuffer = &ScsiDiskDevice->IdentifyData;\r | |
5653 | CommandPacket.InTransferLength = sizeof (ScsiDiskDevice->IdentifyData);\r | |
5654 | \r | |
5655 | return ScsiDiskDevice->ScsiIo->ExecuteScsiCommand (ScsiDiskDevice->ScsiIo, &CommandPacket, NULL);\r | |
5656 | }\r | |
5657 | \r | |
5658 | \r | |
5659 | /**\r | |
5660 | Initialize the installation of DiskInfo protocol.\r | |
5661 | \r | |
5662 | This function prepares for the installation of DiskInfo protocol on the child handle.\r | |
5663 | By default, it installs DiskInfo protocol with SCSI interface GUID. If it further\r | |
5664 | detects that the physical device is an ATAPI/AHCI device, it then updates interface GUID\r | |
5665 | to be IDE/AHCI interface GUID.\r | |
5666 | \r | |
5667 | @param ScsiDiskDevice The pointer of SCSI_DISK_DEV.\r | |
5668 | @param ChildHandle Child handle to install DiskInfo protocol.\r | |
5669 | \r | |
5670 | **/ \r | |
5671 | VOID\r | |
5672 | InitializeInstallDiskInfo (\r | |
5673 | IN SCSI_DISK_DEV *ScsiDiskDevice,\r | |
5674 | IN EFI_HANDLE ChildHandle\r | |
5675 | )\r | |
5676 | {\r | |
5677 | EFI_STATUS Status;\r | |
5678 | EFI_DEVICE_PATH_PROTOCOL *DevicePathNode;\r | |
5679 | EFI_DEVICE_PATH_PROTOCOL *ChildDevicePathNode;\r | |
5680 | ATAPI_DEVICE_PATH *AtapiDevicePath;\r | |
5681 | SATA_DEVICE_PATH *SataDevicePath;\r | |
5682 | UINTN IdentifyRetry;\r | |
5683 | \r | |
5684 | Status = gBS->HandleProtocol (ChildHandle, &gEfiDevicePathProtocolGuid, (VOID **) &DevicePathNode);\r | |
5685 | //\r | |
5686 | // Device Path protocol must be installed on the device handle. \r | |
5687 | //\r | |
5688 | ASSERT_EFI_ERROR (Status);\r | |
5689 | //\r | |
5690 | // Copy the DiskInfo protocol template.\r | |
5691 | //\r | |
5692 | CopyMem (&ScsiDiskDevice->DiskInfo, &gScsiDiskInfoProtocolTemplate, sizeof (gScsiDiskInfoProtocolTemplate));\r | |
5693 | \r | |
5694 | while (!IsDevicePathEnd (DevicePathNode)) {\r | |
5695 | ChildDevicePathNode = NextDevicePathNode (DevicePathNode);\r | |
5696 | if ((DevicePathType (DevicePathNode) == HARDWARE_DEVICE_PATH) &&\r | |
5697 | (DevicePathSubType (DevicePathNode) == HW_PCI_DP) &&\r | |
5698 | (DevicePathType (ChildDevicePathNode) == MESSAGING_DEVICE_PATH) &&\r | |
5699 | ((DevicePathSubType (ChildDevicePathNode) == MSG_ATAPI_DP) ||\r | |
5700 | (DevicePathSubType (ChildDevicePathNode) == MSG_SATA_DP))) {\r | |
5701 | \r | |
5702 | IdentifyRetry = 3;\r | |
5703 | do {\r | |
5704 | //\r | |
5705 | // Issue ATA Identify Device Command via SCSI command, which is required to publish DiskInfo protocol\r | |
5706 | // with IDE/AHCI interface GUID.\r | |
5707 | //\r | |
5708 | Status = AtapiIdentifyDevice (ScsiDiskDevice);\r | |
5709 | if (!EFI_ERROR (Status)) {\r | |
5710 | if (DevicePathSubType(ChildDevicePathNode) == MSG_ATAPI_DP) {\r | |
5711 | //\r | |
5712 | // We find the valid ATAPI device path\r | |
5713 | //\r | |
5714 | AtapiDevicePath = (ATAPI_DEVICE_PATH *) ChildDevicePathNode;\r | |
5715 | ScsiDiskDevice->Channel = AtapiDevicePath->PrimarySecondary;\r | |
5716 | ScsiDiskDevice->Device = AtapiDevicePath->SlaveMaster;\r | |
5717 | //\r | |
5718 | // Update the DiskInfo.Interface to IDE interface GUID for the physical ATAPI device. \r | |
5719 | //\r | |
5720 | CopyGuid (&ScsiDiskDevice->DiskInfo.Interface, &gEfiDiskInfoIdeInterfaceGuid);\r | |
5721 | } else {\r | |
5722 | //\r | |
5723 | // We find the valid SATA device path\r | |
5724 | //\r | |
5725 | SataDevicePath = (SATA_DEVICE_PATH *) ChildDevicePathNode;\r | |
5726 | ScsiDiskDevice->Channel = SataDevicePath->HBAPortNumber;\r | |
5727 | ScsiDiskDevice->Device = SataDevicePath->PortMultiplierPortNumber;\r | |
5728 | //\r | |
5729 | // Update the DiskInfo.Interface to AHCI interface GUID for the physical AHCI device. \r | |
5730 | //\r | |
5731 | CopyGuid (&ScsiDiskDevice->DiskInfo.Interface, &gEfiDiskInfoAhciInterfaceGuid);\r | |
5732 | }\r | |
5733 | return;\r | |
5734 | }\r | |
5735 | } while (--IdentifyRetry > 0);\r | |
5736 | } else if ((DevicePathType (ChildDevicePathNode) == MESSAGING_DEVICE_PATH) &&\r | |
5737 | (DevicePathSubType (ChildDevicePathNode) == MSG_UFS_DP)) {\r | |
5738 | CopyGuid (&ScsiDiskDevice->DiskInfo.Interface, &gEfiDiskInfoUfsInterfaceGuid);\r | |
5739 | break;\r | |
5740 | }\r | |
5741 | DevicePathNode = ChildDevicePathNode;\r | |
5742 | }\r | |
5743 | \r | |
5744 | return;\r | |
5745 | }\r |