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3b2dbece | 1 | /** @file\r |
2 | SCSI disk driver that layers on every SCSI IO protocol in the system.\r | |
6ad55b15 | 3 | \r |
fcf5e49d | 4 | Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>\r |
cd5ebaa0 | 5 | This program and the accompanying materials\r |
3b2dbece | 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 | |
6ad55b15 | 9 | \r |
3b2dbece | 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 | |
6ad55b15 | 12 | \r |
3b2dbece | 13 | **/\r |
ed7748fe | 14 | \r |
6ad55b15 | 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 | |
d716651f | 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 | |
9b38ff34 | 34 | \r |
6ad55b15 | 35 | /**\r |
9beb888e | 36 | The user Entry Point for module ScsiDisk.\r |
37 | \r | |
38 | The user code starts with this function.\r | |
6ad55b15 | 39 | \r |
9beb888e | 40 | @param ImageHandle The firmware allocated handle for the EFI image. \r |
41 | @param SystemTable A pointer to the EFI System Table.\r | |
6ad55b15 | 42 | \r |
43 | @retval EFI_SUCCESS The entry point is executed successfully.\r | |
44 | @retval other Some error occurs when executing this entry point.\r | |
45 | \r | |
46 | **/\r | |
47 | EFI_STATUS\r | |
48 | EFIAPI\r | |
49 | InitializeScsiDisk(\r | |
50 | IN EFI_HANDLE ImageHandle,\r | |
51 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
52 | )\r | |
53 | {\r | |
54 | EFI_STATUS Status;\r | |
55 | \r | |
56 | //\r | |
57 | // Install driver model protocol(s).\r | |
58 | //\r | |
70da5bc2 | 59 | Status = EfiLibInstallDriverBindingComponentName2 (\r |
6ad55b15 | 60 | ImageHandle,\r |
61 | SystemTable,\r | |
62 | &gScsiDiskDriverBinding,\r | |
63 | ImageHandle,\r | |
64 | &gScsiDiskComponentName,\r | |
70da5bc2 | 65 | &gScsiDiskComponentName2\r |
6ad55b15 | 66 | );\r |
67 | ASSERT_EFI_ERROR (Status);\r | |
68 | \r | |
69 | \r | |
70 | return Status;\r | |
71 | }\r | |
72 | \r | |
9beb888e | 73 | /**\r |
74 | Test to see if this driver supports ControllerHandle.\r | |
75 | \r | |
76 | This service is called by the EFI boot service ConnectController(). In order\r | |
77 | to make drivers as small as possible, there are a few calling restrictions for\r | |
78 | this service. ConnectController() must follow these calling restrictions.\r | |
79 | If any other agent wishes to call Supported() it must also follow these\r | |
80 | calling restrictions.\r | |
81 | \r | |
82 | @param This Protocol instance pointer.\r | |
83 | @param ControllerHandle Handle of device to test\r | |
84 | @param RemainingDevicePath Optional parameter use to pick a specific child\r | |
85 | device to start.\r | |
86 | \r | |
87 | @retval EFI_SUCCESS This driver supports this device\r | |
88 | @retval EFI_ALREADY_STARTED This driver is already running on this device\r | |
89 | @retval other This driver does not support this device\r | |
90 | \r | |
91 | **/\r | |
6ad55b15 | 92 | EFI_STATUS\r |
93 | EFIAPI\r | |
94 | ScsiDiskDriverBindingSupported (\r | |
95 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
96 | IN EFI_HANDLE Controller,\r | |
9beb888e | 97 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL\r |
6ad55b15 | 98 | )\r |
6ad55b15 | 99 | {\r |
100 | EFI_STATUS Status;\r | |
101 | EFI_SCSI_IO_PROTOCOL *ScsiIo;\r | |
102 | UINT8 DeviceType;\r | |
103 | \r | |
104 | Status = gBS->OpenProtocol (\r | |
105 | Controller,\r | |
106 | &gEfiScsiIoProtocolGuid,\r | |
107 | (VOID **) &ScsiIo,\r | |
108 | This->DriverBindingHandle,\r | |
109 | Controller,\r | |
110 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
111 | );\r | |
112 | if (EFI_ERROR (Status)) {\r | |
113 | return Status;\r | |
114 | }\r | |
115 | \r | |
116 | Status = ScsiIo->GetDeviceType (ScsiIo, &DeviceType);\r | |
117 | if (!EFI_ERROR (Status)) {\r | |
118 | if ((DeviceType == EFI_SCSI_TYPE_DISK) || (DeviceType == EFI_SCSI_TYPE_CDROM)) {\r | |
119 | Status = EFI_SUCCESS;\r | |
120 | } else {\r | |
121 | Status = EFI_UNSUPPORTED;\r | |
122 | }\r | |
123 | }\r | |
124 | \r | |
125 | gBS->CloseProtocol (\r | |
f36d6e66 | 126 | Controller,\r |
127 | &gEfiScsiIoProtocolGuid,\r | |
128 | This->DriverBindingHandle,\r | |
129 | Controller\r | |
130 | );\r | |
6ad55b15 | 131 | return Status;\r |
132 | }\r | |
133 | \r | |
9beb888e | 134 | \r |
135 | /**\r | |
136 | Start this driver on ControllerHandle.\r | |
137 | \r | |
138 | This service is called by the EFI boot service ConnectController(). In order\r | |
139 | to make drivers as small as possible, there are a few calling restrictions for\r | |
140 | this service. ConnectController() must follow these calling restrictions. If\r | |
141 | any other agent wishes to call Start() it must also follow these calling\r | |
142 | restrictions.\r | |
143 | \r | |
144 | @param This Protocol instance pointer.\r | |
145 | @param ControllerHandle Handle of device to bind driver to\r | |
146 | @param RemainingDevicePath Optional parameter use to pick a specific child\r | |
147 | device to start.\r | |
148 | \r | |
149 | @retval EFI_SUCCESS This driver is added to ControllerHandle\r | |
150 | @retval EFI_ALREADY_STARTED This driver is already running on ControllerHandle\r | |
151 | @retval other This driver does not support this device\r | |
152 | \r | |
153 | **/\r | |
6ad55b15 | 154 | EFI_STATUS\r |
155 | EFIAPI\r | |
156 | ScsiDiskDriverBindingStart (\r | |
157 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
158 | IN EFI_HANDLE Controller,\r | |
9beb888e | 159 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL\r |
6ad55b15 | 160 | )\r |
6ad55b15 | 161 | {\r |
162 | EFI_STATUS Status;\r | |
163 | EFI_SCSI_IO_PROTOCOL *ScsiIo;\r | |
164 | SCSI_DISK_DEV *ScsiDiskDevice;\r | |
165 | BOOLEAN Temp;\r | |
166 | UINT8 Index;\r | |
167 | UINT8 MaxRetry;\r | |
168 | BOOLEAN NeedRetry;\r | |
169 | \r | |
9b38ff34 | 170 | ScsiDiskDevice = (SCSI_DISK_DEV *) AllocateZeroPool (sizeof (SCSI_DISK_DEV));\r |
171 | if (ScsiDiskDevice == NULL) {\r | |
172 | return EFI_OUT_OF_RESOURCES;\r | |
6ad55b15 | 173 | }\r |
174 | \r | |
6ad55b15 | 175 | Status = gBS->OpenProtocol (\r |
176 | Controller,\r | |
177 | &gEfiScsiIoProtocolGuid,\r | |
178 | (VOID **) &ScsiIo,\r | |
179 | This->DriverBindingHandle,\r | |
180 | Controller,\r | |
181 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
182 | );\r | |
183 | if (EFI_ERROR (Status)) {\r | |
9b38ff34 | 184 | FreePool (ScsiDiskDevice);\r |
6ad55b15 | 185 | return Status;\r |
186 | }\r | |
187 | \r | |
188 | ScsiDiskDevice->Signature = SCSI_DISK_DEV_SIGNATURE;\r | |
189 | ScsiDiskDevice->ScsiIo = ScsiIo;\r | |
0e87144e | 190 | ScsiDiskDevice->BlkIo.Revision = EFI_BLOCK_IO_PROTOCOL_REVISION3;\r |
6ad55b15 | 191 | ScsiDiskDevice->BlkIo.Media = &ScsiDiskDevice->BlkIoMedia;\r |
192 | ScsiDiskDevice->BlkIo.Reset = ScsiDiskReset;\r | |
193 | ScsiDiskDevice->BlkIo.ReadBlocks = ScsiDiskReadBlocks;\r | |
194 | ScsiDiskDevice->BlkIo.WriteBlocks = ScsiDiskWriteBlocks;\r | |
195 | ScsiDiskDevice->BlkIo.FlushBlocks = ScsiDiskFlushBlocks;\r | |
196 | ScsiDiskDevice->Handle = Controller;\r | |
197 | \r | |
198 | ScsiIo->GetDeviceType (ScsiIo, &(ScsiDiskDevice->DeviceType));\r | |
199 | switch (ScsiDiskDevice->DeviceType) {\r | |
200 | case EFI_SCSI_TYPE_DISK:\r | |
201 | ScsiDiskDevice->BlkIo.Media->BlockSize = 0x200;\r | |
202 | break;\r | |
203 | \r | |
204 | case EFI_SCSI_TYPE_CDROM:\r | |
205 | ScsiDiskDevice->BlkIo.Media->BlockSize = 0x800;\r | |
206 | break;\r | |
207 | }\r | |
208 | //\r | |
209 | // The Sense Data Array's initial size is 6\r | |
210 | //\r | |
211 | ScsiDiskDevice->SenseDataNumber = 6;\r | |
9b38ff34 | 212 | ScsiDiskDevice->SenseData = (EFI_SCSI_SENSE_DATA *) AllocateZeroPool (\r |
213 | sizeof (EFI_SCSI_SENSE_DATA) * ScsiDiskDevice->SenseDataNumber\r | |
214 | );\r | |
215 | if (ScsiDiskDevice->SenseData == NULL) {\r | |
6ad55b15 | 216 | gBS->CloseProtocol (\r |
217 | Controller,\r | |
218 | &gEfiScsiIoProtocolGuid,\r | |
219 | This->DriverBindingHandle,\r | |
220 | Controller\r | |
221 | );\r | |
9b38ff34 | 222 | FreePool (ScsiDiskDevice);\r |
223 | return EFI_OUT_OF_RESOURCES;\r | |
6ad55b15 | 224 | }\r |
225 | \r | |
6ad55b15 | 226 | //\r |
dfe687ca | 227 | // Retrieve device information\r |
6ad55b15 | 228 | //\r |
229 | MaxRetry = 2;\r | |
230 | for (Index = 0; Index < MaxRetry; Index++) {\r | |
231 | Status = ScsiDiskInquiryDevice (ScsiDiskDevice, &NeedRetry);\r | |
232 | if (!EFI_ERROR (Status)) {\r | |
233 | break;\r | |
234 | }\r | |
235 | \r | |
236 | if (!NeedRetry) {\r | |
9b38ff34 | 237 | FreePool (ScsiDiskDevice->SenseData);\r |
6ad55b15 | 238 | gBS->CloseProtocol (\r |
f36d6e66 | 239 | Controller,\r |
240 | &gEfiScsiIoProtocolGuid,\r | |
241 | This->DriverBindingHandle,\r | |
242 | Controller\r | |
243 | );\r | |
9b38ff34 | 244 | FreePool (ScsiDiskDevice);\r |
6ad55b15 | 245 | return EFI_DEVICE_ERROR;\r |
246 | }\r | |
247 | }\r | |
248 | //\r | |
249 | // The second parameter "TRUE" means must\r | |
250 | // retrieve media capacity\r | |
251 | //\r | |
252 | Status = ScsiDiskDetectMedia (ScsiDiskDevice, TRUE, &Temp);\r | |
253 | if (!EFI_ERROR (Status)) {\r | |
d14faa52 | 254 | //\r |
255 | // Determine if Block IO should be produced on this controller handle\r | |
256 | //\r | |
257 | if (DetermineInstallBlockIo(Controller)) {\r | |
d716651f | 258 | InitializeInstallDiskInfo(ScsiDiskDevice, Controller);\r |
d14faa52 | 259 | Status = gBS->InstallMultipleProtocolInterfaces (\r |
260 | &Controller,\r | |
261 | &gEfiBlockIoProtocolGuid,\r | |
262 | &ScsiDiskDevice->BlkIo,\r | |
d716651f | 263 | &gEfiDiskInfoProtocolGuid,\r |
264 | &ScsiDiskDevice->DiskInfo,\r | |
d14faa52 | 265 | NULL\r |
266 | );\r | |
267 | if (!EFI_ERROR(Status)) {\r | |
268 | ScsiDiskDevice->ControllerNameTable = NULL;\r | |
269 | AddUnicodeString2 (\r | |
270 | "eng",\r | |
271 | gScsiDiskComponentName.SupportedLanguages,\r | |
272 | &ScsiDiskDevice->ControllerNameTable,\r | |
273 | L"SCSI Disk Device",\r | |
274 | TRUE\r | |
275 | );\r | |
276 | AddUnicodeString2 (\r | |
277 | "en",\r | |
278 | gScsiDiskComponentName2.SupportedLanguages,\r | |
279 | &ScsiDiskDevice->ControllerNameTable,\r | |
280 | L"SCSI Disk Device",\r | |
281 | FALSE\r | |
282 | );\r | |
283 | return EFI_SUCCESS;\r | |
284 | }\r | |
285 | } \r | |
6ad55b15 | 286 | }\r |
287 | \r | |
d14faa52 | 288 | gBS->FreePool (ScsiDiskDevice->SenseData);\r |
289 | gBS->FreePool (ScsiDiskDevice);\r | |
290 | gBS->CloseProtocol (\r | |
291 | Controller,\r | |
292 | &gEfiScsiIoProtocolGuid,\r | |
293 | This->DriverBindingHandle,\r | |
294 | Controller\r | |
295 | );\r | |
296 | return Status;\r | |
297 | \r | |
6ad55b15 | 298 | }\r |
299 | \r | |
9beb888e | 300 | \r |
301 | /**\r | |
302 | Stop this driver on ControllerHandle.\r | |
303 | \r | |
304 | This service is called by the EFI boot service DisconnectController().\r | |
305 | In order to make drivers as small as possible, there are a few calling\r | |
306 | restrictions for this service. DisconnectController() must follow these\r | |
307 | calling restrictions. If any other agent wishes to call Stop() it must\r | |
308 | also follow these calling restrictions.\r | |
309 | \r | |
310 | @param This Protocol instance pointer.\r | |
311 | @param ControllerHandle Handle of device to stop driver on\r | |
312 | @param NumberOfChildren Number of Handles in ChildHandleBuffer. If number of\r | |
313 | children is zero stop the entire bus driver.\r | |
314 | @param ChildHandleBuffer List of Child Handles to Stop.\r | |
315 | \r | |
316 | @retval EFI_SUCCESS This driver is removed ControllerHandle\r | |
317 | @retval other This driver was not removed from this device\r | |
318 | \r | |
319 | **/\r | |
6ad55b15 | 320 | EFI_STATUS\r |
321 | EFIAPI\r | |
322 | ScsiDiskDriverBindingStop (\r | |
323 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
324 | IN EFI_HANDLE Controller,\r | |
325 | IN UINTN NumberOfChildren,\r | |
9beb888e | 326 | IN EFI_HANDLE *ChildHandleBuffer OPTIONAL\r |
6ad55b15 | 327 | )\r |
6ad55b15 | 328 | {\r |
329 | EFI_BLOCK_IO_PROTOCOL *BlkIo;\r | |
330 | SCSI_DISK_DEV *ScsiDiskDevice;\r | |
331 | EFI_STATUS Status;\r | |
332 | \r | |
333 | Status = gBS->OpenProtocol (\r | |
334 | Controller,\r | |
335 | &gEfiBlockIoProtocolGuid,\r | |
336 | (VOID **) &BlkIo,\r | |
337 | This->DriverBindingHandle,\r | |
338 | Controller,\r | |
339 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
340 | );\r | |
341 | if (EFI_ERROR (Status)) {\r | |
342 | return Status;\r | |
343 | }\r | |
344 | \r | |
345 | ScsiDiskDevice = SCSI_DISK_DEV_FROM_THIS (BlkIo);\r | |
d716651f | 346 | Status = gBS->UninstallMultipleProtocolInterfaces (\r |
6ad55b15 | 347 | Controller,\r |
348 | &gEfiBlockIoProtocolGuid,\r | |
d716651f | 349 | &ScsiDiskDevice->BlkIo,\r |
350 | &gEfiDiskInfoProtocolGuid,\r | |
351 | &ScsiDiskDevice->DiskInfo,\r | |
352 | NULL\r | |
6ad55b15 | 353 | );\r |
354 | if (!EFI_ERROR (Status)) {\r | |
355 | gBS->CloseProtocol (\r | |
f36d6e66 | 356 | Controller,\r |
357 | &gEfiScsiIoProtocolGuid,\r | |
358 | This->DriverBindingHandle,\r | |
359 | Controller\r | |
360 | );\r | |
6ad55b15 | 361 | \r |
362 | ReleaseScsiDiskDeviceResources (ScsiDiskDevice);\r | |
363 | \r | |
364 | return EFI_SUCCESS;\r | |
365 | }\r | |
366 | //\r | |
367 | // errors met\r | |
368 | //\r | |
369 | return Status;\r | |
370 | }\r | |
371 | \r | |
9beb888e | 372 | /**\r |
373 | Reset SCSI Disk.\r | |
374 | \r | |
6ad55b15 | 375 | \r |
9beb888e | 376 | @param This The pointer of EFI_BLOCK_IO_PROTOCOL\r |
377 | @param ExtendedVerification The flag about if extend verificate\r | |
378 | \r | |
379 | @retval EFI_SUCCESS The device was reset.\r | |
380 | @retval EFI_DEVICE_ERROR The device is not functioning properly and could\r | |
381 | not be reset.\r | |
d716651f | 382 | @return EFI_STATUS is returned from EFI_SCSI_IO_PROTOCOL.ResetDevice().\r |
9beb888e | 383 | \r |
384 | **/\r | |
6ad55b15 | 385 | EFI_STATUS\r |
386 | EFIAPI\r | |
387 | ScsiDiskReset (\r | |
388 | IN EFI_BLOCK_IO_PROTOCOL *This,\r | |
389 | IN BOOLEAN ExtendedVerification\r | |
390 | )\r | |
6ad55b15 | 391 | {\r |
f36d6e66 | 392 | EFI_TPL OldTpl;\r |
6ad55b15 | 393 | SCSI_DISK_DEV *ScsiDiskDevice;\r |
394 | EFI_STATUS Status;\r | |
6ad55b15 | 395 | \r |
396 | OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r | |
397 | \r | |
398 | ScsiDiskDevice = SCSI_DISK_DEV_FROM_THIS (This);\r | |
399 | \r | |
400 | Status = ScsiDiskDevice->ScsiIo->ResetDevice (ScsiDiskDevice->ScsiIo);\r | |
401 | \r | |
c6e797ae | 402 | if (EFI_ERROR (Status)) {\r |
403 | Status = EFI_DEVICE_ERROR;\r | |
404 | goto Done;\r | |
405 | }\r | |
406 | \r | |
6ad55b15 | 407 | if (!ExtendedVerification) {\r |
408 | goto Done;\r | |
409 | }\r | |
410 | \r | |
411 | Status = ScsiDiskDevice->ScsiIo->ResetBus (ScsiDiskDevice->ScsiIo);\r | |
412 | \r | |
c6e797ae | 413 | if (EFI_ERROR (Status)) {\r |
414 | Status = EFI_DEVICE_ERROR;\r | |
415 | goto Done;\r | |
416 | }\r | |
417 | \r | |
6ad55b15 | 418 | Done:\r |
419 | gBS->RestoreTPL (OldTpl);\r | |
420 | return Status;\r | |
421 | }\r | |
422 | \r | |
9beb888e | 423 | /**\r |
424 | The function is to Read Block from SCSI Disk.\r | |
425 | \r | |
426 | @param This The pointer of EFI_BLOCK_IO_PROTOCOL.\r | |
427 | @param MediaId The Id of Media detected\r | |
428 | @param Lba The logic block address\r | |
429 | @param BufferSize The size of Buffer\r | |
430 | @param Buffer The buffer to fill the read out data\r | |
431 | \r | |
432 | @retval EFI_SUCCESS Successfully to read out block.\r | |
433 | @retval EFI_DEVICE_ERROR Fail to detect media.\r | |
434 | @retval EFI_NO_MEDIA Media is not present.\r | |
435 | @retval EFI_MEDIA_CHANGED Media has changed.\r | |
436 | @retval EFI_BAD_BUFFER_SIZE The Buffer was not a multiple of the block size of the device.\r | |
437 | @retval EFI_INVALID_PARAMETER Invalid parameter passed in.\r | |
438 | \r | |
439 | **/\r | |
6ad55b15 | 440 | EFI_STATUS\r |
441 | EFIAPI\r | |
442 | ScsiDiskReadBlocks (\r | |
443 | IN EFI_BLOCK_IO_PROTOCOL *This,\r | |
444 | IN UINT32 MediaId,\r | |
9beb888e | 445 | IN EFI_LBA Lba,\r |
6ad55b15 | 446 | IN UINTN BufferSize,\r |
447 | OUT VOID *Buffer\r | |
448 | )\r | |
6ad55b15 | 449 | {\r |
450 | SCSI_DISK_DEV *ScsiDiskDevice;\r | |
451 | EFI_BLOCK_IO_MEDIA *Media;\r | |
452 | EFI_STATUS Status;\r | |
453 | UINTN BlockSize;\r | |
454 | UINTN NumberOfBlocks;\r | |
455 | BOOLEAN MediaChange;\r | |
456 | EFI_TPL OldTpl;\r | |
457 | \r | |
fcf5e49d RN |
458 | MediaChange = FALSE;\r |
459 | OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r | |
6ad55b15 | 460 | ScsiDiskDevice = SCSI_DISK_DEV_FROM_THIS (This);\r |
461 | \r | |
9beb888e | 462 | if (!IS_DEVICE_FIXED(ScsiDiskDevice)) {\r |
6ad55b15 | 463 | \r |
464 | Status = ScsiDiskDetectMedia (ScsiDiskDevice, FALSE, &MediaChange);\r | |
465 | if (EFI_ERROR (Status)) {\r | |
466 | Status = EFI_DEVICE_ERROR;\r | |
467 | goto Done;\r | |
468 | }\r | |
469 | \r | |
470 | if (MediaChange) {\r | |
471 | gBS->ReinstallProtocolInterface (\r | |
472 | ScsiDiskDevice->Handle,\r | |
473 | &gEfiBlockIoProtocolGuid,\r | |
474 | &ScsiDiskDevice->BlkIo,\r | |
475 | &ScsiDiskDevice->BlkIo\r | |
476 | );\r | |
477 | }\r | |
478 | }\r | |
479 | //\r | |
480 | // Get the intrinsic block size\r | |
481 | //\r | |
482 | Media = ScsiDiskDevice->BlkIo.Media;\r | |
483 | BlockSize = Media->BlockSize;\r | |
484 | \r | |
485 | NumberOfBlocks = BufferSize / BlockSize;\r | |
486 | \r | |
487 | if (!(Media->MediaPresent)) {\r | |
488 | Status = EFI_NO_MEDIA;\r | |
489 | goto Done;\r | |
490 | }\r | |
491 | \r | |
492 | if (MediaId != Media->MediaId) {\r | |
493 | Status = EFI_MEDIA_CHANGED;\r | |
494 | goto Done;\r | |
495 | }\r | |
496 | \r | |
fcf5e49d RN |
497 | if (Buffer == NULL) {\r |
498 | Status = EFI_INVALID_PARAMETER;\r | |
499 | goto Done;\r | |
500 | }\r | |
501 | \r | |
502 | if (BufferSize == 0) {\r | |
503 | Status = EFI_SUCCESS;\r | |
504 | goto Done;\r | |
505 | }\r | |
506 | \r | |
6ad55b15 | 507 | if (BufferSize % BlockSize != 0) {\r |
508 | Status = EFI_BAD_BUFFER_SIZE;\r | |
509 | goto Done;\r | |
510 | }\r | |
511 | \r | |
9beb888e | 512 | if (Lba > Media->LastBlock) {\r |
6ad55b15 | 513 | Status = EFI_INVALID_PARAMETER;\r |
514 | goto Done;\r | |
515 | }\r | |
516 | \r | |
9beb888e | 517 | if ((Lba + NumberOfBlocks - 1) > Media->LastBlock) {\r |
6ad55b15 | 518 | Status = EFI_INVALID_PARAMETER;\r |
519 | goto Done;\r | |
520 | }\r | |
521 | \r | |
522 | if ((Media->IoAlign > 1) && (((UINTN) Buffer & (Media->IoAlign - 1)) != 0)) {\r | |
523 | Status = EFI_INVALID_PARAMETER;\r | |
524 | goto Done;\r | |
525 | }\r | |
f36d6e66 | 526 | \r |
6ad55b15 | 527 | //\r |
f36d6e66 | 528 | // If all the parameters are valid, then perform read sectors command\r |
6ad55b15 | 529 | // to transfer data from device to host.\r |
530 | //\r | |
9beb888e | 531 | Status = ScsiDiskReadSectors (ScsiDiskDevice, Buffer, Lba, NumberOfBlocks);\r |
6ad55b15 | 532 | \r |
533 | Done:\r | |
534 | gBS->RestoreTPL (OldTpl);\r | |
535 | return Status;\r | |
536 | }\r | |
537 | \r | |
9beb888e | 538 | /**\r |
539 | The function is to Write Block to SCSI Disk.\r | |
540 | \r | |
541 | @param This The pointer of EFI_BLOCK_IO_PROTOCOL\r | |
542 | @param MediaId The Id of Media detected\r | |
543 | @param Lba The logic block address\r | |
544 | @param BufferSize The size of Buffer\r | |
545 | @param Buffer The buffer to fill the read out data\r | |
546 | \r | |
547 | @retval EFI_SUCCESS Successfully to read out block.\r | |
548 | @retval EFI_WRITE_PROTECTED The device can not be written to.\r | |
549 | @retval EFI_DEVICE_ERROR Fail to detect media.\r | |
550 | @retval EFI_NO_MEDIA Media is not present.\r | |
551 | @retval EFI_MEDIA_CHNAGED Media has changed.\r | |
552 | @retval EFI_BAD_BUFFER_SIZE The Buffer was not a multiple of the block size of the device.\r | |
553 | @retval EFI_INVALID_PARAMETER Invalid parameter passed in.\r | |
554 | \r | |
555 | **/\r | |
6ad55b15 | 556 | EFI_STATUS\r |
557 | EFIAPI\r | |
558 | ScsiDiskWriteBlocks (\r | |
559 | IN EFI_BLOCK_IO_PROTOCOL *This,\r | |
560 | IN UINT32 MediaId,\r | |
9beb888e | 561 | IN EFI_LBA Lba,\r |
6ad55b15 | 562 | IN UINTN BufferSize,\r |
563 | IN VOID *Buffer\r | |
564 | )\r | |
6ad55b15 | 565 | {\r |
566 | SCSI_DISK_DEV *ScsiDiskDevice;\r | |
567 | EFI_BLOCK_IO_MEDIA *Media;\r | |
568 | EFI_STATUS Status;\r | |
569 | UINTN BlockSize;\r | |
570 | UINTN NumberOfBlocks;\r | |
571 | BOOLEAN MediaChange;\r | |
572 | EFI_TPL OldTpl;\r | |
573 | \r | |
fcf5e49d RN |
574 | MediaChange = FALSE;\r |
575 | OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r | |
6ad55b15 | 576 | ScsiDiskDevice = SCSI_DISK_DEV_FROM_THIS (This);\r |
577 | \r | |
9beb888e | 578 | if (!IS_DEVICE_FIXED(ScsiDiskDevice)) {\r |
6ad55b15 | 579 | \r |
580 | Status = ScsiDiskDetectMedia (ScsiDiskDevice, FALSE, &MediaChange);\r | |
581 | if (EFI_ERROR (Status)) {\r | |
582 | Status = EFI_DEVICE_ERROR;\r | |
583 | goto Done;\r | |
584 | }\r | |
585 | \r | |
586 | if (MediaChange) {\r | |
587 | gBS->ReinstallProtocolInterface (\r | |
588 | ScsiDiskDevice->Handle,\r | |
589 | &gEfiBlockIoProtocolGuid,\r | |
590 | &ScsiDiskDevice->BlkIo,\r | |
591 | &ScsiDiskDevice->BlkIo\r | |
592 | );\r | |
593 | }\r | |
594 | }\r | |
595 | //\r | |
596 | // Get the intrinsic block size\r | |
597 | //\r | |
598 | Media = ScsiDiskDevice->BlkIo.Media;\r | |
599 | BlockSize = Media->BlockSize;\r | |
600 | \r | |
601 | NumberOfBlocks = BufferSize / BlockSize;\r | |
602 | \r | |
603 | if (!(Media->MediaPresent)) {\r | |
604 | Status = EFI_NO_MEDIA;\r | |
605 | goto Done;\r | |
606 | }\r | |
607 | \r | |
608 | if (MediaId != Media->MediaId) {\r | |
609 | Status = EFI_MEDIA_CHANGED;\r | |
610 | goto Done;\r | |
611 | }\r | |
612 | \r | |
fcf5e49d RN |
613 | if (BufferSize == 0) {\r |
614 | Status = EFI_SUCCESS;\r | |
615 | goto Done;\r | |
616 | }\r | |
617 | \r | |
618 | if (Buffer == NULL) {\r | |
619 | Status = EFI_INVALID_PARAMETER;\r | |
620 | goto Done;\r | |
621 | }\r | |
622 | \r | |
6ad55b15 | 623 | if (BufferSize % BlockSize != 0) {\r |
624 | Status = EFI_BAD_BUFFER_SIZE;\r | |
625 | goto Done;\r | |
626 | }\r | |
627 | \r | |
9beb888e | 628 | if (Lba > Media->LastBlock) {\r |
6ad55b15 | 629 | Status = EFI_INVALID_PARAMETER;\r |
630 | goto Done;\r | |
631 | }\r | |
632 | \r | |
9beb888e | 633 | if ((Lba + NumberOfBlocks - 1) > Media->LastBlock) {\r |
6ad55b15 | 634 | Status = EFI_INVALID_PARAMETER;\r |
635 | goto Done;\r | |
636 | }\r | |
637 | \r | |
638 | if ((Media->IoAlign > 1) && (((UINTN) Buffer & (Media->IoAlign - 1)) != 0)) {\r | |
639 | Status = EFI_INVALID_PARAMETER;\r | |
640 | goto Done;\r | |
641 | }\r | |
642 | //\r | |
643 | // if all the parameters are valid, then perform read sectors command\r | |
644 | // to transfer data from device to host.\r | |
645 | //\r | |
9beb888e | 646 | Status = ScsiDiskWriteSectors (ScsiDiskDevice, Buffer, Lba, NumberOfBlocks);\r |
6ad55b15 | 647 | \r |
648 | Done:\r | |
649 | gBS->RestoreTPL (OldTpl);\r | |
6ad55b15 | 650 | return Status;\r |
651 | }\r | |
652 | \r | |
9beb888e | 653 | /**\r |
654 | Flush Block to Disk.\r | |
655 | \r | |
656 | EFI_SUCCESS is returned directly.\r | |
657 | \r | |
658 | @param This The pointer of EFI_BLOCK_IO_PROTOCOL\r | |
659 | \r | |
660 | @retval EFI_SUCCESS All outstanding data was written to the device\r | |
661 | \r | |
662 | **/\r | |
6ad55b15 | 663 | EFI_STATUS\r |
664 | EFIAPI\r | |
665 | ScsiDiskFlushBlocks (\r | |
666 | IN EFI_BLOCK_IO_PROTOCOL *This\r | |
667 | )\r | |
6ad55b15 | 668 | {\r |
669 | //\r | |
670 | // return directly\r | |
671 | //\r | |
672 | return EFI_SUCCESS;\r | |
673 | }\r | |
674 | \r | |
6ad55b15 | 675 | \r |
9beb888e | 676 | /**\r |
d716651f | 677 | Detect Device and read out capacity ,if error occurs, parse the sense key.\r |
6ad55b15 | 678 | \r |
9beb888e | 679 | @param ScsiDiskDevice The pointer of SCSI_DISK_DEV\r |
680 | @param MustReadCapacity The flag about reading device capacity\r | |
681 | @param MediaChange The pointer of flag indicates if media has changed \r | |
6ad55b15 | 682 | \r |
9beb888e | 683 | @retval EFI_DEVICE_ERROR Indicates that error occurs\r |
684 | @retval EFI_SUCCESS Successfully to detect media\r | |
6ad55b15 | 685 | \r |
9beb888e | 686 | **/\r |
687 | EFI_STATUS\r | |
688 | ScsiDiskDetectMedia (\r | |
689 | IN SCSI_DISK_DEV *ScsiDiskDevice,\r | |
690 | IN BOOLEAN MustReadCapacity,\r | |
691 | OUT BOOLEAN *MediaChange\r | |
692 | )\r | |
6ad55b15 | 693 | {\r |
694 | EFI_STATUS Status;\r | |
695 | EFI_STATUS ReadCapacityStatus;\r | |
696 | EFI_SCSI_SENSE_DATA *SenseData;\r | |
697 | UINTN NumberOfSenseKeys;\r | |
698 | BOOLEAN NeedRetry;\r | |
699 | BOOLEAN NeedReadCapacity;\r | |
700 | UINT8 Index;\r | |
701 | UINT8 MaxRetry;\r | |
702 | EFI_BLOCK_IO_MEDIA OldMedia;\r | |
703 | UINTN Action;\r | |
704 | \r | |
705 | Status = EFI_SUCCESS;\r | |
706 | ReadCapacityStatus = EFI_SUCCESS;\r | |
707 | SenseData = NULL;\r | |
708 | NumberOfSenseKeys = 0;\r | |
709 | NeedReadCapacity = FALSE;\r | |
710 | CopyMem (&OldMedia, ScsiDiskDevice->BlkIo.Media, sizeof (OldMedia));\r | |
6ad55b15 | 711 | *MediaChange = FALSE;\r |
6ad55b15 | 712 | MaxRetry = 3;\r |
f36d6e66 | 713 | \r |
6ad55b15 | 714 | for (Index = 0; Index < MaxRetry; Index++) {\r |
715 | Status = ScsiDiskTestUnitReady (\r | |
716 | ScsiDiskDevice,\r | |
717 | &NeedRetry,\r | |
718 | &SenseData,\r | |
719 | &NumberOfSenseKeys\r | |
720 | );\r | |
721 | if (!EFI_ERROR (Status)) {\r | |
722 | break;\r | |
723 | }\r | |
724 | \r | |
725 | if (!NeedRetry) {\r | |
726 | return Status;\r | |
727 | }\r | |
728 | }\r | |
729 | \r | |
730 | if ((Index == MaxRetry) && EFI_ERROR (Status)) {\r | |
731 | return EFI_DEVICE_ERROR;\r | |
732 | }\r | |
733 | \r | |
734 | Status = DetectMediaParsingSenseKeys (\r | |
735 | ScsiDiskDevice,\r | |
736 | SenseData,\r | |
737 | NumberOfSenseKeys,\r | |
738 | &Action\r | |
739 | );\r | |
740 | if (EFI_ERROR (Status)) {\r | |
741 | return Status;\r | |
742 | }\r | |
743 | //\r | |
744 | // ACTION_NO_ACTION: need not read capacity\r | |
745 | // other action code: need read capacity\r | |
746 | //\r | |
747 | if (Action == ACTION_NO_ACTION) {\r | |
748 | NeedReadCapacity = FALSE;\r | |
749 | } else {\r | |
750 | NeedReadCapacity = TRUE;\r | |
751 | }\r | |
f36d6e66 | 752 | \r |
6ad55b15 | 753 | //\r |
754 | // either NeedReadCapacity is TRUE, or MustReadCapacity is TRUE,\r | |
755 | // retrieve capacity via Read Capacity command\r | |
756 | //\r | |
757 | if (NeedReadCapacity || MustReadCapacity) {\r | |
6ad55b15 | 758 | //\r |
759 | // retrieve media information\r | |
760 | //\r | |
761 | MaxRetry = 3;\r | |
762 | for (Index = 0; Index < MaxRetry; Index++) {\r | |
763 | \r | |
764 | ReadCapacityStatus = ScsiDiskReadCapacity (\r | |
765 | ScsiDiskDevice,\r | |
766 | &NeedRetry,\r | |
767 | &SenseData,\r | |
768 | &NumberOfSenseKeys\r | |
769 | );\r | |
770 | if (EFI_ERROR (ReadCapacityStatus) && !NeedRetry) {\r | |
771 | return EFI_DEVICE_ERROR;\r | |
772 | }\r | |
773 | //\r | |
774 | // analyze sense key to action\r | |
775 | //\r | |
776 | Status = DetectMediaParsingSenseKeys (\r | |
777 | ScsiDiskDevice,\r | |
778 | SenseData,\r | |
779 | NumberOfSenseKeys,\r | |
780 | &Action\r | |
781 | );\r | |
782 | //\r | |
783 | // if Status is error, it may indicate crisis error,\r | |
784 | // so return without retry.\r | |
785 | //\r | |
786 | if (EFI_ERROR (Status)) {\r | |
787 | return Status;\r | |
788 | }\r | |
789 | \r | |
790 | switch (Action) {\r | |
791 | case ACTION_NO_ACTION:\r | |
792 | //\r | |
793 | // no retry\r | |
794 | //\r | |
795 | Index = MaxRetry;\r | |
796 | break;\r | |
797 | \r | |
798 | case ACTION_RETRY_COMMAND_LATER:\r | |
799 | //\r | |
800 | // retry the ReadCapacity later and continuously, until the condition\r | |
801 | // no longer emerges.\r | |
802 | // stall time is 100000us, or say 0.1 second.\r | |
803 | //\r | |
804 | gBS->Stall (100000);\r | |
805 | Index = 0;\r | |
806 | break;\r | |
807 | \r | |
808 | default:\r | |
809 | //\r | |
810 | // other cases, just retry the command\r | |
811 | //\r | |
812 | break;\r | |
813 | }\r | |
814 | }\r | |
815 | \r | |
816 | if ((Index == MaxRetry) && EFI_ERROR (ReadCapacityStatus)) {\r | |
817 | return EFI_DEVICE_ERROR;\r | |
818 | }\r | |
819 | }\r | |
820 | \r | |
821 | if (ScsiDiskDevice->BlkIo.Media->MediaId != OldMedia.MediaId) {\r | |
822 | //\r | |
823 | // Media change information got from the device\r | |
824 | //\r | |
825 | *MediaChange = TRUE;\r | |
826 | }\r | |
827 | \r | |
828 | if (ScsiDiskDevice->BlkIo.Media->ReadOnly != OldMedia.ReadOnly) {\r | |
829 | *MediaChange = TRUE;\r | |
830 | ScsiDiskDevice->BlkIo.Media->MediaId += 1;\r | |
831 | }\r | |
832 | \r | |
833 | if (ScsiDiskDevice->BlkIo.Media->BlockSize != OldMedia.BlockSize) {\r | |
834 | *MediaChange = TRUE;\r | |
835 | ScsiDiskDevice->BlkIo.Media->MediaId += 1;\r | |
836 | }\r | |
837 | \r | |
838 | if (ScsiDiskDevice->BlkIo.Media->LastBlock != OldMedia.LastBlock) {\r | |
839 | *MediaChange = TRUE;\r | |
840 | ScsiDiskDevice->BlkIo.Media->MediaId += 1;\r | |
841 | }\r | |
842 | \r | |
843 | if (ScsiDiskDevice->BlkIo.Media->MediaPresent != OldMedia.MediaPresent) {\r | |
844 | if (ScsiDiskDevice->BlkIo.Media->MediaPresent) {\r | |
845 | //\r | |
846 | // when change from no media to media present, reset the MediaId to 1.\r | |
847 | //\r | |
848 | ScsiDiskDevice->BlkIo.Media->MediaId = 1;\r | |
849 | } else {\r | |
850 | //\r | |
851 | // when no media, reset the MediaId to zero.\r | |
852 | //\r | |
853 | ScsiDiskDevice->BlkIo.Media->MediaId = 0;\r | |
854 | }\r | |
855 | \r | |
856 | *MediaChange = TRUE;\r | |
857 | }\r | |
858 | \r | |
859 | return EFI_SUCCESS;\r | |
860 | }\r | |
861 | \r | |
6ad55b15 | 862 | \r |
9beb888e | 863 | /**\r |
864 | Send out Inquiry command to Device.\r | |
6ad55b15 | 865 | \r |
9beb888e | 866 | @param ScsiDiskDevice The pointer of SCSI_DISK_DEV\r |
867 | @param NeedRetry Indicates if needs try again when error happens\r | |
6ad55b15 | 868 | \r |
9beb888e | 869 | @retval EFI_DEVICE_ERROR Indicates that error occurs\r |
870 | @retval EFI_SUCCESS Successfully to detect media\r | |
6ad55b15 | 871 | \r |
9beb888e | 872 | **/\r |
873 | EFI_STATUS\r | |
874 | ScsiDiskInquiryDevice (\r | |
875 | IN OUT SCSI_DISK_DEV *ScsiDiskDevice,\r | |
876 | OUT BOOLEAN *NeedRetry\r | |
877 | )\r | |
6ad55b15 | 878 | {\r |
0e87144e RN |
879 | UINT32 InquiryDataLength;\r |
880 | UINT8 SenseDataLength;\r | |
881 | UINT8 HostAdapterStatus;\r | |
882 | UINT8 TargetStatus;\r | |
883 | EFI_SCSI_SENSE_DATA *SenseDataArray;\r | |
884 | UINTN NumberOfSenseKeys;\r | |
885 | EFI_STATUS Status;\r | |
886 | UINT8 MaxRetry;\r | |
887 | UINT8 Index;\r | |
888 | EFI_SCSI_SUPPORTED_VPD_PAGES_VPD_PAGE SupportedVpdPages;\r | |
889 | EFI_SCSI_BLOCK_LIMITS_VPD_PAGE BlockLimits;\r | |
890 | UINTN PageLength;\r | |
6ad55b15 | 891 | \r |
892 | InquiryDataLength = sizeof (EFI_SCSI_INQUIRY_DATA);\r | |
893 | SenseDataLength = 0;\r | |
894 | \r | |
d35be2a4 | 895 | Status = ScsiInquiryCommand (\r |
6ad55b15 | 896 | ScsiDiskDevice->ScsiIo,\r |
e72a3b3e | 897 | EFI_TIMER_PERIOD_SECONDS (1),\r |
6ad55b15 | 898 | NULL,\r |
899 | &SenseDataLength,\r | |
900 | &HostAdapterStatus,\r | |
901 | &TargetStatus,\r | |
902 | (VOID *) &(ScsiDiskDevice->InquiryData),\r | |
903 | &InquiryDataLength,\r | |
904 | FALSE\r | |
905 | );\r | |
6ad55b15 | 906 | //\r |
907 | // no need to check HostAdapterStatus and TargetStatus\r | |
908 | //\r | |
f36d6e66 | 909 | if ((Status == EFI_SUCCESS) || (Status == EFI_WARN_BUFFER_TOO_SMALL)) {\r |
0e87144e RN |
910 | ParseInquiryData (ScsiDiskDevice);\r |
911 | \r | |
912 | if (ScsiDiskDevice->DeviceType == EFI_SCSI_TYPE_DISK) {\r | |
913 | //\r | |
914 | // Check whether the device supports Block Limits VPD page (0xB0)\r | |
915 | //\r | |
916 | ZeroMem (&SupportedVpdPages, sizeof (SupportedVpdPages));\r | |
917 | InquiryDataLength = sizeof (SupportedVpdPages);\r | |
918 | SenseDataLength = 0;\r | |
919 | Status = ScsiInquiryCommandEx (\r | |
920 | ScsiDiskDevice->ScsiIo,\r | |
921 | EFI_TIMER_PERIOD_SECONDS (1),\r | |
922 | NULL,\r | |
923 | &SenseDataLength,\r | |
924 | &HostAdapterStatus,\r | |
925 | &TargetStatus,\r | |
926 | (VOID *) &SupportedVpdPages,\r | |
927 | &InquiryDataLength,\r | |
928 | TRUE,\r | |
929 | EFI_SCSI_PAGE_CODE_SUPPORTED_VPD\r | |
930 | );\r | |
931 | if (!EFI_ERROR (Status)) {\r | |
932 | PageLength = (SupportedVpdPages.PageLength2 << 8)\r | |
933 | | SupportedVpdPages.PageLength1;\r | |
934 | for (Index = 0; Index < PageLength; Index++) {\r | |
935 | if (SupportedVpdPages.SupportedVpdPageList[Index] == EFI_SCSI_PAGE_CODE_BLOCK_LIMITS_VPD) {\r | |
936 | break;\r | |
937 | }\r | |
938 | }\r | |
939 | \r | |
940 | //\r | |
941 | // Query the Block Limits VPD page\r | |
942 | //\r | |
943 | if (Index < PageLength) {\r | |
944 | ZeroMem (&BlockLimits, sizeof (BlockLimits));\r | |
945 | InquiryDataLength = sizeof (BlockLimits);\r | |
946 | SenseDataLength = 0;\r | |
947 | Status = ScsiInquiryCommandEx (\r | |
948 | ScsiDiskDevice->ScsiIo,\r | |
949 | EFI_TIMER_PERIOD_SECONDS (1),\r | |
950 | NULL,\r | |
951 | &SenseDataLength,\r | |
952 | &HostAdapterStatus,\r | |
953 | &TargetStatus,\r | |
954 | (VOID *) &BlockLimits,\r | |
955 | &InquiryDataLength,\r | |
956 | TRUE,\r | |
957 | EFI_SCSI_PAGE_CODE_BLOCK_LIMITS_VPD\r | |
958 | );\r | |
959 | if (!EFI_ERROR (Status)) {\r | |
960 | ScsiDiskDevice->BlkIo.Media->OptimalTransferLengthGranularity = \r | |
961 | (BlockLimits.OptimalTransferLengthGranularity2 << 8) |\r | |
962 | BlockLimits.OptimalTransferLengthGranularity1;\r | |
963 | }\r | |
964 | }\r | |
965 | }\r | |
966 | }\r | |
967 | }\r | |
968 | \r | |
969 | if (!EFI_ERROR (Status)) {\r | |
970 | return EFI_SUCCESS;\r | |
971 | \r | |
972 | } else if (Status == EFI_NOT_READY) {\r | |
973 | *NeedRetry = TRUE;\r | |
974 | return EFI_DEVICE_ERROR;\r | |
f36d6e66 | 975 | \r |
0e87144e RN |
976 | } else if ((Status == EFI_INVALID_PARAMETER) || (Status == EFI_UNSUPPORTED)) {\r |
977 | *NeedRetry = FALSE;\r | |
978 | return EFI_DEVICE_ERROR;\r | |
979 | }\r | |
980 | //\r | |
981 | // go ahead to check HostAdapterStatus and TargetStatus\r | |
982 | // (EFI_TIMEOUT, EFI_DEVICE_ERROR)\r | |
983 | //\r | |
984 | \r | |
985 | Status = CheckHostAdapterStatus (HostAdapterStatus);\r | |
986 | if ((Status == EFI_TIMEOUT) || (Status == EFI_NOT_READY)) {\r | |
987 | *NeedRetry = TRUE;\r | |
988 | return EFI_DEVICE_ERROR;\r | |
989 | } else if (Status == EFI_DEVICE_ERROR) {\r | |
f36d6e66 | 990 | //\r |
991 | // reset the scsi channel\r | |
992 | //\r | |
6ad55b15 | 993 | ScsiDiskDevice->ScsiIo->ResetBus (ScsiDiskDevice->ScsiIo);\r |
994 | *NeedRetry = FALSE;\r | |
995 | return EFI_DEVICE_ERROR;\r | |
996 | }\r | |
997 | \r | |
998 | Status = CheckTargetStatus (TargetStatus);\r | |
999 | if (Status == EFI_NOT_READY) {\r | |
1000 | //\r | |
1001 | // reset the scsi device\r | |
1002 | //\r | |
1003 | ScsiDiskDevice->ScsiIo->ResetDevice (ScsiDiskDevice->ScsiIo);\r | |
1004 | *NeedRetry = TRUE;\r | |
1005 | return EFI_DEVICE_ERROR;\r | |
f36d6e66 | 1006 | \r |
6ad55b15 | 1007 | } else if (Status == EFI_DEVICE_ERROR) {\r |
1008 | *NeedRetry = FALSE;\r | |
1009 | return EFI_DEVICE_ERROR;\r | |
1010 | }\r | |
1011 | \r | |
1012 | //\r | |
b96cd313 | 1013 | // if goes here, meant ScsiInquiryCommand() failed.\r |
6ad55b15 | 1014 | // if ScsiDiskRequestSenseKeys() succeeds at last,\r |
b96cd313 | 1015 | // better retry ScsiInquiryCommand(). (by setting *NeedRetry = TRUE)\r |
6ad55b15 | 1016 | //\r |
1017 | MaxRetry = 3;\r | |
1018 | for (Index = 0; Index < MaxRetry; Index++) {\r | |
6ad55b15 | 1019 | Status = ScsiDiskRequestSenseKeys (\r |
1020 | ScsiDiskDevice,\r | |
1021 | NeedRetry,\r | |
1022 | &SenseDataArray,\r | |
1023 | &NumberOfSenseKeys,\r | |
1024 | TRUE\r | |
1025 | );\r | |
1026 | if (!EFI_ERROR (Status)) {\r | |
1027 | *NeedRetry = TRUE;\r | |
1028 | return EFI_DEVICE_ERROR;\r | |
1029 | }\r | |
1030 | \r | |
1031 | if (!*NeedRetry) {\r | |
1032 | return EFI_DEVICE_ERROR;\r | |
1033 | }\r | |
1034 | }\r | |
1035 | //\r | |
1036 | // ScsiDiskRequestSenseKeys() failed after several rounds of retry.\r | |
1037 | // set *NeedRetry = FALSE to avoid the outside caller try again.\r | |
1038 | //\r | |
1039 | *NeedRetry = FALSE;\r | |
1040 | return EFI_DEVICE_ERROR;\r | |
1041 | }\r | |
1042 | \r | |
9beb888e | 1043 | /**\r |
d716651f | 1044 | To test device.\r |
f36d6e66 | 1045 | \r |
1046 | When Test Unit Ready command succeeds, retrieve Sense Keys via Request Sense;\r | |
6ad55b15 | 1047 | When Test Unit Ready command encounters any error caused by host adapter or\r |
1048 | target, return error without retrieving Sense Keys.\r | |
f36d6e66 | 1049 | \r |
9beb888e | 1050 | @param ScsiDiskDevice The pointer of SCSI_DISK_DEV\r |
1051 | @param NeedRetry The pointer of flag indicates try again\r | |
1052 | @param SenseDataArray The pointer of an array of sense data\r | |
1053 | @param NumberOfSenseKeys The pointer of the number of sense data array\r | |
f36d6e66 | 1054 | \r |
9beb888e | 1055 | @retval EFI_DEVICE_ERROR Indicates that error occurs\r |
1056 | @retval EFI_SUCCESS Successfully to test unit\r | |
f36d6e66 | 1057 | \r |
9beb888e | 1058 | **/\r |
1059 | EFI_STATUS\r | |
1060 | ScsiDiskTestUnitReady (\r | |
1061 | IN SCSI_DISK_DEV *ScsiDiskDevice,\r | |
1062 | OUT BOOLEAN *NeedRetry,\r | |
1063 | OUT EFI_SCSI_SENSE_DATA **SenseDataArray,\r | |
1064 | OUT UINTN *NumberOfSenseKeys\r | |
1065 | )\r | |
6ad55b15 | 1066 | {\r |
1067 | EFI_STATUS Status;\r | |
1068 | UINT8 SenseDataLength;\r | |
1069 | UINT8 HostAdapterStatus;\r | |
1070 | UINT8 TargetStatus;\r | |
1071 | UINT8 Index;\r | |
1072 | UINT8 MaxRetry;\r | |
1073 | \r | |
1074 | SenseDataLength = 0;\r | |
1075 | *NumberOfSenseKeys = 0;\r | |
1076 | \r | |
1077 | //\r | |
1078 | // Parameter 3 and 4: do not require sense data, retrieve it when needed.\r | |
1079 | //\r | |
d35be2a4 | 1080 | Status = ScsiTestUnitReadyCommand (\r |
6ad55b15 | 1081 | ScsiDiskDevice->ScsiIo,\r |
e72a3b3e | 1082 | EFI_TIMER_PERIOD_SECONDS (1),\r |
6ad55b15 | 1083 | NULL,\r |
1084 | &SenseDataLength,\r | |
1085 | &HostAdapterStatus,\r | |
1086 | &TargetStatus\r | |
1087 | );\r | |
f36d6e66 | 1088 | //\r |
1089 | // no need to check HostAdapterStatus and TargetStatus\r | |
1090 | //\r | |
6ad55b15 | 1091 | if (Status == EFI_NOT_READY) {\r |
6ad55b15 | 1092 | *NeedRetry = TRUE;\r |
1093 | return EFI_DEVICE_ERROR;\r | |
f36d6e66 | 1094 | \r |
6ad55b15 | 1095 | } else if ((Status == EFI_INVALID_PARAMETER) || (Status == EFI_UNSUPPORTED)) {\r |
6ad55b15 | 1096 | *NeedRetry = FALSE;\r |
1097 | return EFI_DEVICE_ERROR;\r | |
1098 | }\r | |
1099 | //\r | |
f36d6e66 | 1100 | // go ahead to check HostAdapterStatus and TargetStatus(in case of EFI_DEVICE_ERROR)\r |
6ad55b15 | 1101 | //\r |
f36d6e66 | 1102 | \r |
6ad55b15 | 1103 | Status = CheckHostAdapterStatus (HostAdapterStatus);\r |
1104 | if ((Status == EFI_TIMEOUT) || (Status == EFI_NOT_READY)) {\r | |
1105 | *NeedRetry = TRUE;\r | |
1106 | return EFI_DEVICE_ERROR;\r | |
f36d6e66 | 1107 | \r |
6ad55b15 | 1108 | } else if (Status == EFI_DEVICE_ERROR) {\r |
1109 | //\r | |
1110 | // reset the scsi channel\r | |
1111 | //\r | |
1112 | ScsiDiskDevice->ScsiIo->ResetBus (ScsiDiskDevice->ScsiIo);\r | |
1113 | *NeedRetry = FALSE;\r | |
1114 | return EFI_DEVICE_ERROR;\r | |
1115 | }\r | |
1116 | \r | |
1117 | Status = CheckTargetStatus (TargetStatus);\r | |
1118 | if (Status == EFI_NOT_READY) {\r | |
1119 | //\r | |
1120 | // reset the scsi device\r | |
1121 | //\r | |
1122 | ScsiDiskDevice->ScsiIo->ResetDevice (ScsiDiskDevice->ScsiIo);\r | |
1123 | *NeedRetry = TRUE;\r | |
1124 | return EFI_DEVICE_ERROR;\r | |
f36d6e66 | 1125 | \r |
6ad55b15 | 1126 | } else if (Status == EFI_DEVICE_ERROR) {\r |
1127 | *NeedRetry = FALSE;\r | |
1128 | return EFI_DEVICE_ERROR;\r | |
1129 | }\r | |
1130 | \r | |
1131 | MaxRetry = 3;\r | |
1132 | for (Index = 0; Index < MaxRetry; Index++) {\r | |
6ad55b15 | 1133 | Status = ScsiDiskRequestSenseKeys (\r |
1134 | ScsiDiskDevice,\r | |
1135 | NeedRetry,\r | |
1136 | SenseDataArray,\r | |
1137 | NumberOfSenseKeys,\r | |
1138 | FALSE\r | |
1139 | );\r | |
1140 | if (!EFI_ERROR (Status)) {\r | |
1141 | return EFI_SUCCESS;\r | |
1142 | }\r | |
1143 | \r | |
1144 | if (!*NeedRetry) {\r | |
1145 | return EFI_DEVICE_ERROR;\r | |
1146 | }\r | |
1147 | }\r | |
1148 | //\r | |
1149 | // ScsiDiskRequestSenseKeys() failed after several rounds of retry.\r | |
1150 | // set *NeedRetry = FALSE to avoid the outside caller try again.\r | |
1151 | //\r | |
1152 | *NeedRetry = FALSE;\r | |
1153 | return EFI_DEVICE_ERROR;\r | |
1154 | }\r | |
1155 | \r | |
9beb888e | 1156 | /**\r |
f36d6e66 | 1157 | Parsing Sense Keys which got from request sense command.\r |
6ad55b15 | 1158 | \r |
9beb888e | 1159 | @param ScsiDiskDevice The pointer of SCSI_DISK_DEV\r |
1160 | @param SenseData The pointer of EFI_SCSI_SENSE_DATA\r | |
1161 | @param NumberOfSenseKeys The number of sense key \r | |
1162 | @param Action The pointer of action which indicates what is need to do next\r | |
6ad55b15 | 1163 | \r |
9beb888e | 1164 | @retval EFI_DEVICE_ERROR Indicates that error occurs\r |
1165 | @retval EFI_SUCCESS Successfully to complete the parsing\r | |
6ad55b15 | 1166 | \r |
9beb888e | 1167 | **/\r |
1168 | EFI_STATUS\r | |
1169 | DetectMediaParsingSenseKeys (\r | |
1170 | OUT SCSI_DISK_DEV *ScsiDiskDevice,\r | |
1171 | IN EFI_SCSI_SENSE_DATA *SenseData,\r | |
1172 | IN UINTN NumberOfSenseKeys,\r | |
1173 | OUT UINTN *Action\r | |
1174 | )\r | |
6ad55b15 | 1175 | {\r |
1176 | BOOLEAN RetryLater;\r | |
1177 | \r | |
1178 | //\r | |
1179 | // Default is to read capacity, unless..\r | |
1180 | //\r | |
1181 | *Action = ACTION_READ_CAPACITY;\r | |
1182 | \r | |
1183 | if (NumberOfSenseKeys == 0) {\r | |
1184 | *Action = ACTION_NO_ACTION;\r | |
1185 | return EFI_SUCCESS;\r | |
1186 | }\r | |
1187 | \r | |
1188 | if (!ScsiDiskHaveSenseKey (SenseData, NumberOfSenseKeys)) {\r | |
1189 | //\r | |
1190 | // No Sense Key returned from last submitted command\r | |
1191 | //\r | |
1192 | *Action = ACTION_NO_ACTION;\r | |
1193 | return EFI_SUCCESS;\r | |
1194 | }\r | |
1195 | \r | |
1196 | if (ScsiDiskIsNoMedia (SenseData, NumberOfSenseKeys)) {\r | |
1197 | ScsiDiskDevice->BlkIo.Media->MediaPresent = FALSE;\r | |
1198 | ScsiDiskDevice->BlkIo.Media->LastBlock = 0;\r | |
1199 | *Action = ACTION_NO_ACTION;\r | |
1200 | return EFI_SUCCESS;\r | |
1201 | }\r | |
1202 | \r | |
1203 | if (ScsiDiskIsMediaChange (SenseData, NumberOfSenseKeys)) {\r | |
1204 | ScsiDiskDevice->BlkIo.Media->MediaId++;\r | |
1205 | return EFI_SUCCESS;\r | |
1206 | }\r | |
1207 | \r | |
1208 | if (ScsiDiskIsMediaError (SenseData, NumberOfSenseKeys)) {\r | |
1209 | ScsiDiskDevice->BlkIo.Media->MediaPresent = FALSE;\r | |
1210 | ScsiDiskDevice->BlkIo.Media->LastBlock = 0;\r | |
1211 | return EFI_DEVICE_ERROR;\r | |
1212 | }\r | |
1213 | \r | |
1214 | if (ScsiDiskIsHardwareError (SenseData, NumberOfSenseKeys)) {\r | |
1215 | return EFI_DEVICE_ERROR;\r | |
1216 | }\r | |
1217 | \r | |
1218 | if (!ScsiDiskIsDriveReady (SenseData, NumberOfSenseKeys, &RetryLater)) {\r | |
1219 | if (RetryLater) {\r | |
1220 | *Action = ACTION_RETRY_COMMAND_LATER;\r | |
1221 | return EFI_SUCCESS;\r | |
1222 | }\r | |
1223 | \r | |
1224 | return EFI_DEVICE_ERROR;\r | |
1225 | }\r | |
1226 | \r | |
1227 | return EFI_SUCCESS;\r | |
1228 | }\r | |
1229 | \r | |
6ad55b15 | 1230 | \r |
9beb888e | 1231 | /**\r |
1232 | Send read capacity command to device and get the device parameter.\r | |
6ad55b15 | 1233 | \r |
9beb888e | 1234 | @param ScsiDiskDevice The pointer of SCSI_DISK_DEV\r |
1235 | @param NeedRetry The pointer of flag indicates if need a retry\r | |
1236 | @param SenseDataArray The pointer of an array of sense data\r | |
1237 | @param NumberOfSenseKeys The number of sense key\r | |
6ad55b15 | 1238 | \r |
9beb888e | 1239 | @retval EFI_DEVICE_ERROR Indicates that error occurs\r |
1240 | @retval EFI_SUCCESS Successfully to read capacity\r | |
6ad55b15 | 1241 | \r |
9beb888e | 1242 | **/\r |
1243 | EFI_STATUS\r | |
1244 | ScsiDiskReadCapacity (\r | |
1245 | IN OUT SCSI_DISK_DEV *ScsiDiskDevice,\r | |
1246 | OUT BOOLEAN *NeedRetry,\r | |
1247 | OUT EFI_SCSI_SENSE_DATA **SenseDataArray,\r | |
1248 | OUT UINTN *NumberOfSenseKeys\r | |
1249 | )\r | |
6ad55b15 | 1250 | {\r |
b96cd313 | 1251 | UINT8 HostAdapterStatus;\r |
1252 | UINT8 TargetStatus;\r | |
1253 | EFI_STATUS CommandStatus;\r | |
1254 | EFI_STATUS Status;\r | |
1255 | UINT8 Index;\r | |
1256 | UINT8 MaxRetry;\r | |
1257 | UINT8 SenseDataLength;\r | |
b96cd313 | 1258 | UINT32 DataLength10;\r |
1259 | UINT32 DataLength16;\r | |
1260 | EFI_SCSI_DISK_CAPACITY_DATA CapacityData10;\r | |
1261 | EFI_SCSI_DISK_CAPACITY_DATA16 CapacityData16;\r | |
1262 | \r | |
1263 | \r | |
1264 | SenseDataLength = 0;\r | |
1265 | DataLength10 = sizeof (EFI_SCSI_DISK_CAPACITY_DATA);\r | |
1266 | DataLength16 = sizeof (EFI_SCSI_DISK_CAPACITY_DATA16);\r | |
1267 | ZeroMem (&CapacityData10, sizeof (EFI_SCSI_DISK_CAPACITY_DATA));\r | |
1268 | ZeroMem (&CapacityData16, sizeof (EFI_SCSI_DISK_CAPACITY_DATA16));\r | |
6ad55b15 | 1269 | \r |
1270 | *NumberOfSenseKeys = 0;\r | |
1271 | *NeedRetry = FALSE;\r | |
b96cd313 | 1272 | \r |
f95bc048 | 1273 | //\r |
1274 | // submit Read Capacity(10) Command. If it returns capacity of FFFFFFFFh, \r | |
1275 | // 16 byte command should be used to access large hard disk >2TB\r | |
1276 | //\r | |
1277 | CommandStatus = ScsiReadCapacityCommand (\r | |
1278 | ScsiDiskDevice->ScsiIo,\r | |
1279 | EFI_TIMER_PERIOD_SECONDS(1),\r | |
1280 | NULL,\r | |
1281 | &SenseDataLength,\r | |
1282 | &HostAdapterStatus,\r | |
1283 | &TargetStatus,\r | |
1284 | (VOID *) &CapacityData10,\r | |
1285 | &DataLength10,\r | |
1286 | FALSE\r | |
1287 | );\r | |
1288 | \r | |
1289 | ScsiDiskDevice->Cdb16Byte = FALSE;\r | |
1290 | if ((!EFI_ERROR (CommandStatus)) && (CapacityData10.LastLba3 == 0xff) && (CapacityData10.LastLba2 == 0xff) &&\r | |
1291 | (CapacityData10.LastLba1 == 0xff) && (CapacityData10.LastLba0 == 0xff)) {\r | |
1292 | //\r | |
1293 | // use Read Capacity (16), Read (16) and Write (16) next when hard disk size > 2TB\r | |
1294 | //\r | |
1295 | ScsiDiskDevice->Cdb16Byte = TRUE;\r | |
b96cd313 | 1296 | //\r |
f95bc048 | 1297 | // submit Read Capacity(16) Command to get parameter LogicalBlocksPerPhysicalBlock\r |
1298 | // and LowestAlignedLba\r | |
b96cd313 | 1299 | //\r |
f95bc048 | 1300 | CommandStatus = ScsiReadCapacity16Command (\r |
b96cd313 | 1301 | ScsiDiskDevice->ScsiIo,\r |
f95bc048 | 1302 | EFI_TIMER_PERIOD_SECONDS (1),\r |
b96cd313 | 1303 | NULL,\r |
1304 | &SenseDataLength,\r | |
1305 | &HostAdapterStatus,\r | |
1306 | &TargetStatus,\r | |
f95bc048 | 1307 | (VOID *) &CapacityData16,\r |
1308 | &DataLength16,\r | |
b96cd313 | 1309 | FALSE\r |
1310 | );\r | |
f95bc048 | 1311 | }\r |
1312 | \r | |
b96cd313 | 1313 | //\r |
6ad55b15 | 1314 | // no need to check HostAdapterStatus and TargetStatus\r |
1315 | //\r | |
f36d6e66 | 1316 | if (CommandStatus == EFI_SUCCESS) {\r |
b96cd313 | 1317 | GetMediaInfo (ScsiDiskDevice, &CapacityData10,&CapacityData16);\r |
f36d6e66 | 1318 | return EFI_SUCCESS;\r |
1319 | \r | |
1320 | } else if (CommandStatus == EFI_NOT_READY) {\r | |
1321 | *NeedRetry = TRUE;\r | |
1322 | return EFI_DEVICE_ERROR;\r | |
1323 | \r | |
1324 | } else if ((CommandStatus == EFI_INVALID_PARAMETER) || (CommandStatus == EFI_UNSUPPORTED)) {\r | |
1325 | *NeedRetry = FALSE;\r | |
1326 | return EFI_DEVICE_ERROR;\r | |
1327 | }\r | |
1328 | //\r | |
1329 | // go ahead to check HostAdapterStatus and TargetStatus\r | |
1330 | // (EFI_TIMEOUT, EFI_DEVICE_ERROR, EFI_WARN_BUFFER_TOO_SMALL)\r | |
1331 | //\r | |
1332 | \r | |
1333 | Status = CheckHostAdapterStatus (HostAdapterStatus);\r | |
1334 | if ((Status == EFI_TIMEOUT) || (Status == EFI_NOT_READY)) {\r | |
1335 | *NeedRetry = TRUE;\r | |
1336 | return EFI_DEVICE_ERROR;\r | |
1337 | \r | |
1338 | } else if (Status == EFI_DEVICE_ERROR) {\r | |
6ad55b15 | 1339 | //\r |
1340 | // reset the scsi channel\r | |
1341 | //\r | |
1342 | ScsiDiskDevice->ScsiIo->ResetBus (ScsiDiskDevice->ScsiIo);\r | |
1343 | *NeedRetry = FALSE;\r | |
1344 | return EFI_DEVICE_ERROR;\r | |
1345 | }\r | |
1346 | \r | |
1347 | Status = CheckTargetStatus (TargetStatus);\r | |
1348 | if (Status == EFI_NOT_READY) {\r | |
1349 | //\r | |
1350 | // reset the scsi device\r | |
1351 | //\r | |
1352 | ScsiDiskDevice->ScsiIo->ResetDevice (ScsiDiskDevice->ScsiIo);\r | |
1353 | *NeedRetry = TRUE;\r | |
1354 | return EFI_DEVICE_ERROR;\r | |
f36d6e66 | 1355 | \r |
6ad55b15 | 1356 | } else if (Status == EFI_DEVICE_ERROR) {\r |
1357 | *NeedRetry = FALSE;\r | |
1358 | return EFI_DEVICE_ERROR;\r | |
1359 | }\r | |
1360 | \r | |
1361 | //\r | |
b96cd313 | 1362 | // if goes here, meant ScsiReadCapacityCommand() failed.\r |
6ad55b15 | 1363 | // if ScsiDiskRequestSenseKeys() succeeds at last,\r |
b96cd313 | 1364 | // better retry ScsiReadCapacityCommand(). (by setting *NeedRetry = TRUE)\r |
6ad55b15 | 1365 | //\r |
1366 | MaxRetry = 3;\r | |
1367 | for (Index = 0; Index < MaxRetry; Index++) {\r | |
1368 | \r | |
1369 | Status = ScsiDiskRequestSenseKeys (\r | |
1370 | ScsiDiskDevice,\r | |
1371 | NeedRetry,\r | |
1372 | SenseDataArray,\r | |
1373 | NumberOfSenseKeys,\r | |
1374 | TRUE\r | |
1375 | );\r | |
1376 | if (!EFI_ERROR (Status)) {\r | |
1377 | *NeedRetry = TRUE;\r | |
1378 | return EFI_DEVICE_ERROR;\r | |
1379 | }\r | |
1380 | \r | |
1381 | if (!*NeedRetry) {\r | |
1382 | return EFI_DEVICE_ERROR;\r | |
1383 | }\r | |
1384 | }\r | |
1385 | //\r | |
1386 | // ScsiDiskRequestSenseKeys() failed after several rounds of retry.\r | |
1387 | // set *NeedRetry = FALSE to avoid the outside caller try again.\r | |
1388 | //\r | |
1389 | *NeedRetry = FALSE;\r | |
1390 | return EFI_DEVICE_ERROR;\r | |
1391 | }\r | |
1392 | \r | |
9beb888e | 1393 | /**\r |
1394 | Check the HostAdapter status and re-interpret it in EFI_STATUS.\r | |
6ad55b15 | 1395 | \r |
9beb888e | 1396 | @param HostAdapterStatus Host Adapter status\r |
6ad55b15 | 1397 | \r |
9beb888e | 1398 | @retval EFI_SUCCESS Host adapter is OK.\r |
1399 | @retval EFI_TIMEOUT Timeout.\r | |
1400 | @retval EFI_NOT_READY Adapter NOT ready.\r | |
1401 | @retval EFI_DEVICE_ERROR Adapter device error.\r | |
6ad55b15 | 1402 | \r |
9beb888e | 1403 | **/\r |
1404 | EFI_STATUS\r | |
1405 | CheckHostAdapterStatus (\r | |
1406 | IN UINT8 HostAdapterStatus\r | |
1407 | )\r | |
6ad55b15 | 1408 | {\r |
1409 | switch (HostAdapterStatus) {\r | |
f36d6e66 | 1410 | case EFI_EXT_SCSI_STATUS_HOST_ADAPTER_OK:\r |
6ad55b15 | 1411 | return EFI_SUCCESS;\r |
1412 | \r | |
f36d6e66 | 1413 | case EFI_EXT_SCSI_STATUS_HOST_ADAPTER_SELECTION_TIMEOUT:\r |
1414 | case EFI_EXT_SCSI_STATUS_HOST_ADAPTER_TIMEOUT:\r | |
1415 | case EFI_EXT_SCSI_STATUS_HOST_ADAPTER_TIMEOUT_COMMAND:\r | |
6ad55b15 | 1416 | return EFI_TIMEOUT;\r |
1417 | \r | |
f36d6e66 | 1418 | case EFI_EXT_SCSI_STATUS_HOST_ADAPTER_MESSAGE_REJECT:\r |
1419 | case EFI_EXT_SCSI_STATUS_HOST_ADAPTER_PARITY_ERROR:\r | |
1420 | case EFI_EXT_SCSI_STATUS_HOST_ADAPTER_REQUEST_SENSE_FAILED:\r | |
1421 | case EFI_EXT_SCSI_STATUS_HOST_ADAPTER_DATA_OVERRUN_UNDERRUN:\r | |
1422 | case EFI_EXT_SCSI_STATUS_HOST_ADAPTER_BUS_RESET:\r | |
6ad55b15 | 1423 | return EFI_NOT_READY;\r |
1424 | \r | |
f36d6e66 | 1425 | case EFI_EXT_SCSI_STATUS_HOST_ADAPTER_BUS_FREE:\r |
1426 | case EFI_EXT_SCSI_STATUS_HOST_ADAPTER_PHASE_ERROR:\r | |
6ad55b15 | 1427 | return EFI_DEVICE_ERROR;\r |
1428 | \r | |
1429 | default:\r | |
1430 | return EFI_SUCCESS;\r | |
1431 | }\r | |
1432 | }\r | |
1433 | \r | |
6ad55b15 | 1434 | \r |
9beb888e | 1435 | /**\r |
1436 | Check the target status and re-interpret it in EFI_STATUS.\r | |
6ad55b15 | 1437 | \r |
9beb888e | 1438 | @param TargetStatus Target status\r |
6ad55b15 | 1439 | \r |
9beb888e | 1440 | @retval EFI_NOT_READY Device is NOT ready.\r |
1441 | @retval EFI_DEVICE_ERROR \r | |
1442 | @retval EFI_SUCCESS\r | |
6ad55b15 | 1443 | \r |
9beb888e | 1444 | **/\r |
1445 | EFI_STATUS\r | |
1446 | CheckTargetStatus (\r | |
1447 | IN UINT8 TargetStatus\r | |
1448 | )\r | |
6ad55b15 | 1449 | {\r |
1450 | switch (TargetStatus) {\r | |
f36d6e66 | 1451 | case EFI_EXT_SCSI_STATUS_TARGET_GOOD:\r |
1452 | case EFI_EXT_SCSI_STATUS_TARGET_CHECK_CONDITION:\r | |
1453 | case EFI_EXT_SCSI_STATUS_TARGET_CONDITION_MET:\r | |
6ad55b15 | 1454 | return EFI_SUCCESS;\r |
1455 | \r | |
f36d6e66 | 1456 | case EFI_EXT_SCSI_STATUS_TARGET_INTERMEDIATE:\r |
1457 | case EFI_EXT_SCSI_STATUS_TARGET_INTERMEDIATE_CONDITION_MET:\r | |
1458 | case EFI_EXT_SCSI_STATUS_TARGET_BUSY:\r | |
1459 | case EFI_EXT_SCSI_STATUS_TARGET_TASK_SET_FULL:\r | |
6ad55b15 | 1460 | return EFI_NOT_READY;\r |
1461 | \r | |
f36d6e66 | 1462 | case EFI_EXT_SCSI_STATUS_TARGET_RESERVATION_CONFLICT:\r |
6ad55b15 | 1463 | return EFI_DEVICE_ERROR;\r |
1464 | break;\r | |
1465 | \r | |
1466 | default:\r | |
1467 | return EFI_SUCCESS;\r | |
1468 | }\r | |
1469 | }\r | |
1470 | \r | |
f36d6e66 | 1471 | \r |
9beb888e | 1472 | /**\r |
6ad55b15 | 1473 | Retrieve all sense keys from the device.\r |
f36d6e66 | 1474 | \r |
9beb888e | 1475 | When encountering error during the process, if retrieve sense keys before\r |
d716651f | 1476 | error encountered, it returns the sense keys with return status set to EFI_SUCCESS,\r |
9beb888e | 1477 | and NeedRetry set to FALSE; otherwize, return the proper return status.\r |
1478 | \r | |
1479 | @param ScsiDiskDevice The pointer of SCSI_DISK_DEV\r | |
1480 | @param NeedRetry The pointer of flag indicates if need a retry\r | |
1481 | @param SenseDataArray The pointer of an array of sense data\r | |
1482 | @param NumberOfSenseKeys The number of sense key\r | |
1483 | @param AskResetIfError The flag indicates if need reset when error occurs\r | |
1484 | \r | |
1485 | @retval EFI_DEVICE_ERROR Indicates that error occurs\r | |
1486 | @retval EFI_SUCCESS Successfully to request sense key\r | |
f36d6e66 | 1487 | \r |
9beb888e | 1488 | **/\r |
1489 | EFI_STATUS\r | |
1490 | ScsiDiskRequestSenseKeys (\r | |
1491 | IN OUT SCSI_DISK_DEV *ScsiDiskDevice,\r | |
1492 | OUT BOOLEAN *NeedRetry,\r | |
1493 | OUT EFI_SCSI_SENSE_DATA **SenseDataArray,\r | |
1494 | OUT UINTN *NumberOfSenseKeys,\r | |
1495 | IN BOOLEAN AskResetIfError\r | |
1496 | )\r | |
6ad55b15 | 1497 | {\r |
1498 | EFI_SCSI_SENSE_DATA *PtrSenseData;\r | |
1499 | UINT8 SenseDataLength;\r | |
1500 | BOOLEAN SenseReq;\r | |
1501 | EFI_STATUS Status;\r | |
1502 | EFI_STATUS FallStatus;\r | |
1503 | UINT8 HostAdapterStatus;\r | |
1504 | UINT8 TargetStatus;\r | |
1505 | \r | |
1506 | FallStatus = EFI_SUCCESS;\r | |
c9325700 | 1507 | SenseDataLength = (UINT8) sizeof (EFI_SCSI_SENSE_DATA);\r |
6ad55b15 | 1508 | \r |
1509 | ZeroMem (\r | |
1510 | ScsiDiskDevice->SenseData,\r | |
1511 | sizeof (EFI_SCSI_SENSE_DATA) * (ScsiDiskDevice->SenseDataNumber)\r | |
1512 | );\r | |
1513 | \r | |
1514 | *NumberOfSenseKeys = 0;\r | |
1515 | *SenseDataArray = ScsiDiskDevice->SenseData;\r | |
1516 | PtrSenseData = ScsiDiskDevice->SenseData;\r | |
1517 | \r | |
1518 | for (SenseReq = TRUE; SenseReq;) {\r | |
d35be2a4 | 1519 | Status = ScsiRequestSenseCommand (\r |
6ad55b15 | 1520 | ScsiDiskDevice->ScsiIo,\r |
e72a3b3e | 1521 | EFI_TIMER_PERIOD_SECONDS (2),\r |
6ad55b15 | 1522 | PtrSenseData,\r |
1523 | &SenseDataLength,\r | |
1524 | &HostAdapterStatus,\r | |
1525 | &TargetStatus\r | |
1526 | );\r | |
f36d6e66 | 1527 | if ((Status == EFI_SUCCESS) || (Status == EFI_WARN_BUFFER_TOO_SMALL)) {\r |
1528 | FallStatus = EFI_SUCCESS;\r | |
1529 | \r | |
1530 | } else if ((Status == EFI_TIMEOUT) || (Status == EFI_NOT_READY)) {\r | |
1531 | *NeedRetry = TRUE;\r | |
1532 | FallStatus = EFI_DEVICE_ERROR;\r | |
1533 | \r | |
1534 | } else if ((Status == EFI_INVALID_PARAMETER) || (Status == EFI_UNSUPPORTED)) {\r | |
1535 | *NeedRetry = FALSE;\r | |
1536 | FallStatus = EFI_DEVICE_ERROR;\r | |
1537 | \r | |
1538 | } else if (Status == EFI_DEVICE_ERROR) {\r | |
1539 | if (AskResetIfError) {\r | |
1540 | ScsiDiskDevice->ScsiIo->ResetDevice (ScsiDiskDevice->ScsiIo);\r | |
1541 | }\r | |
1542 | \r | |
1543 | FallStatus = EFI_DEVICE_ERROR;\r | |
6ad55b15 | 1544 | }\r |
1545 | \r | |
1546 | if (EFI_ERROR (FallStatus)) {\r | |
1547 | if (*NumberOfSenseKeys != 0) {\r | |
1548 | *NeedRetry = FALSE;\r | |
1549 | return EFI_SUCCESS;\r | |
1550 | } else {\r | |
1551 | return EFI_DEVICE_ERROR;\r | |
1552 | }\r | |
1553 | }\r | |
1554 | \r | |
1555 | (*NumberOfSenseKeys) += 1;\r | |
1556 | \r | |
1557 | //\r | |
1558 | // no more sense key or number of sense keys exceeds predefined,\r | |
1559 | // skip the loop.\r | |
1560 | //\r | |
1561 | if ((PtrSenseData->Sense_Key == EFI_SCSI_SK_NO_SENSE) || \r | |
1562 | (*NumberOfSenseKeys == ScsiDiskDevice->SenseDataNumber)) {\r | |
1563 | SenseReq = FALSE;\r | |
1564 | }\r | |
6ad55b15 | 1565 | PtrSenseData += 1;\r |
6ad55b15 | 1566 | }\r |
6ad55b15 | 1567 | return EFI_SUCCESS;\r |
1568 | }\r | |
1569 | \r | |
6ad55b15 | 1570 | \r |
9beb888e | 1571 | /**\r |
1572 | Get information from media read capacity command.\r | |
6ad55b15 | 1573 | \r |
9beb888e | 1574 | @param ScsiDiskDevice The pointer of SCSI_DISK_DEV\r |
aa75dfec | 1575 | @param Capacity10 The pointer of EFI_SCSI_DISK_CAPACITY_DATA\r |
1576 | @param Capacity16 The pointer of EFI_SCSI_DISK_CAPACITY_DATA16\r | |
6ad55b15 | 1577 | \r |
9beb888e | 1578 | **/\r |
1579 | VOID\r | |
1580 | GetMediaInfo (\r | |
aa75dfec | 1581 | IN OUT SCSI_DISK_DEV *ScsiDiskDevice,\r |
1582 | IN EFI_SCSI_DISK_CAPACITY_DATA *Capacity10,\r | |
1583 | IN EFI_SCSI_DISK_CAPACITY_DATA16 *Capacity16\r | |
9beb888e | 1584 | )\r |
6ad55b15 | 1585 | {\r |
b96cd313 | 1586 | UINT8 *Ptr;\r |
1587 | \r | |
f95bc048 | 1588 | if (!ScsiDiskDevice->Cdb16Byte) {\r |
b96cd313 | 1589 | ScsiDiskDevice->BlkIo.Media->LastBlock = (Capacity10->LastLba3 << 24) |\r |
1590 | (Capacity10->LastLba2 << 16) |\r | |
1591 | (Capacity10->LastLba1 << 8) |\r | |
1592 | Capacity10->LastLba0;\r | |
1593 | \r | |
1594 | ScsiDiskDevice->BlkIo.Media->BlockSize = (Capacity10->BlockSize3 << 24) |\r | |
1595 | (Capacity10->BlockSize2 << 16) | \r | |
1596 | (Capacity10->BlockSize1 << 8) |\r | |
1597 | Capacity10->BlockSize0;\r | |
0e87144e RN |
1598 | ScsiDiskDevice->BlkIo.Media->LowestAlignedLba = 0;\r |
1599 | ScsiDiskDevice->BlkIo.Media->LogicalBlocksPerPhysicalBlock = 0;\r | |
b96cd313 | 1600 | } else {\r |
b96cd313 | 1601 | Ptr = (UINT8*)&ScsiDiskDevice->BlkIo.Media->LastBlock;\r |
1602 | *Ptr++ = Capacity16->LastLba0;\r | |
1603 | *Ptr++ = Capacity16->LastLba1;\r | |
1604 | *Ptr++ = Capacity16->LastLba2;\r | |
1605 | *Ptr++ = Capacity16->LastLba3;\r | |
1606 | *Ptr++ = Capacity16->LastLba4;\r | |
1607 | *Ptr++ = Capacity16->LastLba5;\r | |
1608 | *Ptr++ = Capacity16->LastLba6;\r | |
1609 | *Ptr = Capacity16->LastLba7;\r | |
0e87144e | 1610 | \r |
b96cd313 | 1611 | ScsiDiskDevice->BlkIo.Media->BlockSize = (Capacity16->BlockSize3 << 24) |\r |
1612 | (Capacity16->BlockSize2 << 16) | \r | |
1613 | (Capacity16->BlockSize1 << 8) |\r | |
1614 | Capacity16->BlockSize0;\r | |
1615 | \r | |
0e87144e RN |
1616 | ScsiDiskDevice->BlkIo.Media->LowestAlignedLba = (Capacity16->LowestAlignLogic2 << 8) |\r |
1617 | Capacity16->LowestAlignLogic1;\r | |
1618 | ScsiDiskDevice->BlkIo.Media->LogicalBlocksPerPhysicalBlock = (1 << Capacity16->LogicPerPhysical);\r | |
b96cd313 | 1619 | }\r |
1620 | \r | |
6ad55b15 | 1621 | ScsiDiskDevice->BlkIo.Media->MediaPresent = TRUE;\r |
b96cd313 | 1622 | \r |
6ad55b15 | 1623 | if (ScsiDiskDevice->DeviceType == EFI_SCSI_TYPE_DISK) {\r |
1624 | ScsiDiskDevice->BlkIo.Media->BlockSize = 0x200;\r | |
1625 | }\r | |
1626 | \r | |
1627 | if (ScsiDiskDevice->DeviceType == EFI_SCSI_TYPE_CDROM) {\r | |
1628 | ScsiDiskDevice->BlkIo.Media->BlockSize = 0x800;\r | |
1629 | }\r | |
1630 | }\r | |
1631 | \r | |
9beb888e | 1632 | /**\r |
1633 | Parse Inquiry data.\r | |
1634 | \r | |
1635 | @param ScsiDiskDevice The pointer of SCSI_DISK_DEV\r | |
1636 | \r | |
1637 | **/\r | |
6ad55b15 | 1638 | VOID\r |
1639 | ParseInquiryData (\r | |
9beb888e | 1640 | IN OUT SCSI_DISK_DEV *ScsiDiskDevice\r |
6ad55b15 | 1641 | )\r |
6ad55b15 | 1642 | {\r |
fbfa4a1d | 1643 | ScsiDiskDevice->FixedDevice = (BOOLEAN) ((ScsiDiskDevice->InquiryData.Rmb == 1) ? 0 : 1);\r |
6ad55b15 | 1644 | ScsiDiskDevice->BlkIoMedia.RemovableMedia = (BOOLEAN) (!ScsiDiskDevice->FixedDevice);\r |
1645 | }\r | |
1646 | \r | |
9beb888e | 1647 | /**\r |
1648 | Read sector from SCSI Disk.\r | |
6ad55b15 | 1649 | \r |
d716651f | 1650 | @param ScsiDiskDevice The pointer of SCSI_DISK_DEV\r |
9beb888e | 1651 | @param Buffer The buffer to fill in the read out data\r |
1652 | @param Lba Logic block address\r | |
1653 | @param NumberOfBlocks The number of blocks to read\r | |
6ad55b15 | 1654 | \r |
9beb888e | 1655 | @retval EFI_DEVICE_ERROR Indicates a device error.\r |
1656 | @retval EFI_SUCCESS Operation is successful.\r | |
6ad55b15 | 1657 | \r |
9beb888e | 1658 | **/\r |
1659 | EFI_STATUS\r | |
1660 | ScsiDiskReadSectors (\r | |
1661 | IN SCSI_DISK_DEV *ScsiDiskDevice,\r | |
1662 | OUT VOID *Buffer,\r | |
1663 | IN EFI_LBA Lba,\r | |
1664 | IN UINTN NumberOfBlocks\r | |
1665 | )\r | |
6ad55b15 | 1666 | {\r |
1667 | UINTN BlocksRemaining;\r | |
6ad55b15 | 1668 | UINT8 *PtrBuffer;\r |
1669 | UINT32 BlockSize;\r | |
1670 | UINT32 ByteCount;\r | |
1671 | UINT32 MaxBlock;\r | |
1672 | UINT32 SectorCount;\r | |
1673 | UINT64 Timeout;\r | |
1674 | EFI_STATUS Status;\r | |
1675 | UINT8 Index;\r | |
1676 | UINT8 MaxRetry;\r | |
1677 | BOOLEAN NeedRetry;\r | |
1678 | EFI_SCSI_SENSE_DATA *SenseData;\r | |
1679 | UINTN NumberOfSenseKeys;\r | |
1680 | \r | |
1681 | SenseData = NULL;\r | |
1682 | NumberOfSenseKeys = 0;\r | |
1683 | \r | |
1684 | Status = EFI_SUCCESS;\r | |
1685 | \r | |
1686 | BlocksRemaining = NumberOfBlocks;\r | |
1687 | BlockSize = ScsiDiskDevice->BlkIo.Media->BlockSize;\r | |
a108933e | 1688 | \r |
6ad55b15 | 1689 | //\r |
a108933e | 1690 | // limit the data bytes that can be transferred by one Read(10) or Read(16) Command\r |
6ad55b15 | 1691 | //\r |
f95bc048 | 1692 | if (!ScsiDiskDevice->Cdb16Byte) {\r |
5bf5fb30 | 1693 | MaxBlock = 0xFFFF;\r |
a108933e | 1694 | } else {\r |
5bf5fb30 | 1695 | MaxBlock = 0xFFFFFFFF;\r |
a108933e | 1696 | }\r |
6ad55b15 | 1697 | \r |
1698 | PtrBuffer = Buffer;\r | |
6ad55b15 | 1699 | \r |
1700 | while (BlocksRemaining > 0) {\r | |
1701 | \r | |
1702 | if (BlocksRemaining <= MaxBlock) {\r | |
f95bc048 | 1703 | if (!ScsiDiskDevice->Cdb16Byte) {\r |
a108933e | 1704 | SectorCount = (UINT16) BlocksRemaining;\r |
1705 | } else {\r | |
1706 | SectorCount = (UINT32) BlocksRemaining;\r | |
1707 | }\r | |
6ad55b15 | 1708 | } else {\r |
6ad55b15 | 1709 | SectorCount = MaxBlock;\r |
1710 | }\r | |
1711 | \r | |
1712 | ByteCount = SectorCount * BlockSize;\r | |
e72a3b3e | 1713 | Timeout = EFI_TIMER_PERIOD_SECONDS (2);\r |
6ad55b15 | 1714 | \r |
1715 | MaxRetry = 2;\r | |
1716 | for (Index = 0; Index < MaxRetry; Index++) {\r | |
f95bc048 | 1717 | if (!ScsiDiskDevice->Cdb16Byte) {\r |
1718 | Status = ScsiDiskRead10 (\r | |
a108933e | 1719 | ScsiDiskDevice,\r |
1720 | &NeedRetry,\r | |
1721 | &SenseData,\r | |
1722 | &NumberOfSenseKeys,\r | |
1723 | Timeout,\r | |
1724 | PtrBuffer,\r | |
1725 | &ByteCount,\r | |
f95bc048 | 1726 | (UINT32) Lba,\r |
a108933e | 1727 | SectorCount\r |
1728 | );\r | |
1729 | } else {\r | |
f95bc048 | 1730 | Status = ScsiDiskRead16 (\r |
a108933e | 1731 | ScsiDiskDevice,\r |
1732 | &NeedRetry,\r | |
1733 | &SenseData,\r | |
1734 | &NumberOfSenseKeys,\r | |
1735 | Timeout,\r | |
1736 | PtrBuffer,\r | |
1737 | &ByteCount,\r | |
f95bc048 | 1738 | Lba,\r |
a108933e | 1739 | SectorCount\r |
1740 | );\r | |
1741 | }\r | |
6ad55b15 | 1742 | if (!EFI_ERROR (Status)) {\r |
1743 | break;\r | |
1744 | }\r | |
1745 | \r | |
1746 | if (!NeedRetry) {\r | |
1747 | return EFI_DEVICE_ERROR;\r | |
1748 | }\r | |
1749 | \r | |
1750 | }\r | |
1751 | \r | |
1752 | if ((Index == MaxRetry) && (Status != EFI_SUCCESS)) {\r | |
1753 | return EFI_DEVICE_ERROR;\r | |
1754 | }\r | |
1755 | \r | |
1756 | //\r | |
1757 | // actual transferred sectors\r | |
1758 | //\r | |
1759 | SectorCount = ByteCount / BlockSize;\r | |
1760 | \r | |
a108933e | 1761 | Lba += SectorCount;\r |
6ad55b15 | 1762 | PtrBuffer = PtrBuffer + SectorCount * BlockSize;\r |
1763 | BlocksRemaining -= SectorCount;\r | |
1764 | }\r | |
1765 | \r | |
1766 | return EFI_SUCCESS;\r | |
1767 | }\r | |
1768 | \r | |
9beb888e | 1769 | /**\r |
1770 | Write sector to SCSI Disk.\r | |
6ad55b15 | 1771 | \r |
d716651f | 1772 | @param ScsiDiskDevice The pointer of SCSI_DISK_DEV\r |
9beb888e | 1773 | @param Buffer The buffer of data to be written into SCSI Disk\r |
1774 | @param Lba Logic block address\r | |
1775 | @param NumberOfBlocks The number of blocks to read\r | |
6ad55b15 | 1776 | \r |
9beb888e | 1777 | @retval EFI_DEVICE_ERROR Indicates a device error.\r |
1778 | @retval EFI_SUCCESS Operation is successful.\r | |
6ad55b15 | 1779 | \r |
9beb888e | 1780 | **/\r |
1781 | EFI_STATUS\r | |
1782 | ScsiDiskWriteSectors (\r | |
1783 | IN SCSI_DISK_DEV *ScsiDiskDevice,\r | |
1784 | IN VOID *Buffer,\r | |
1785 | IN EFI_LBA Lba,\r | |
1786 | IN UINTN NumberOfBlocks\r | |
1787 | )\r | |
6ad55b15 | 1788 | {\r |
1789 | UINTN BlocksRemaining;\r | |
6ad55b15 | 1790 | UINT8 *PtrBuffer;\r |
1791 | UINT32 BlockSize;\r | |
1792 | UINT32 ByteCount;\r | |
1793 | UINT32 MaxBlock;\r | |
1794 | UINT32 SectorCount;\r | |
1795 | UINT64 Timeout;\r | |
1796 | EFI_STATUS Status;\r | |
1797 | UINT8 Index;\r | |
1798 | UINT8 MaxRetry;\r | |
1799 | BOOLEAN NeedRetry;\r | |
1800 | EFI_SCSI_SENSE_DATA *SenseData;\r | |
1801 | UINTN NumberOfSenseKeys;\r | |
1802 | \r | |
1803 | SenseData = NULL;\r | |
1804 | NumberOfSenseKeys = 0;\r | |
1805 | \r | |
1806 | Status = EFI_SUCCESS;\r | |
1807 | \r | |
1808 | BlocksRemaining = NumberOfBlocks;\r | |
1809 | BlockSize = ScsiDiskDevice->BlkIo.Media->BlockSize;\r | |
a108933e | 1810 | \r |
6ad55b15 | 1811 | //\r |
a108933e | 1812 | // limit the data bytes that can be transferred by one Read(10) or Read(16) Command\r |
6ad55b15 | 1813 | //\r |
f95bc048 | 1814 | if (!ScsiDiskDevice->Cdb16Byte) {\r |
5bf5fb30 | 1815 | MaxBlock = 0xFFFF;\r |
a108933e | 1816 | } else {\r |
5bf5fb30 | 1817 | MaxBlock = 0xFFFFFFFF;\r |
a108933e | 1818 | }\r |
6ad55b15 | 1819 | \r |
1820 | PtrBuffer = Buffer;\r | |
6ad55b15 | 1821 | \r |
1822 | while (BlocksRemaining > 0) {\r | |
1823 | \r | |
1824 | if (BlocksRemaining <= MaxBlock) {\r | |
f95bc048 | 1825 | if (!ScsiDiskDevice->Cdb16Byte) {\r |
a108933e | 1826 | SectorCount = (UINT16) BlocksRemaining;\r |
1827 | } else {\r | |
1828 | SectorCount = (UINT32) BlocksRemaining;\r | |
1829 | }\r | |
6ad55b15 | 1830 | } else {\r |
6ad55b15 | 1831 | SectorCount = MaxBlock;\r |
1832 | }\r | |
1833 | \r | |
1834 | ByteCount = SectorCount * BlockSize;\r | |
e72a3b3e | 1835 | Timeout = EFI_TIMER_PERIOD_SECONDS (2);\r |
6ad55b15 | 1836 | MaxRetry = 2;\r |
1837 | for (Index = 0; Index < MaxRetry; Index++) {\r | |
f95bc048 | 1838 | if (!ScsiDiskDevice->Cdb16Byte) {\r |
1839 | Status = ScsiDiskWrite10 (\r | |
a108933e | 1840 | ScsiDiskDevice,\r |
1841 | &NeedRetry,\r | |
1842 | &SenseData,\r | |
1843 | &NumberOfSenseKeys,\r | |
1844 | Timeout,\r | |
1845 | PtrBuffer,\r | |
1846 | &ByteCount,\r | |
f95bc048 | 1847 | (UINT32) Lba,\r |
a108933e | 1848 | SectorCount\r |
f95bc048 | 1849 | );\r |
a108933e | 1850 | } else {\r |
f95bc048 | 1851 | Status = ScsiDiskWrite16 (\r |
a108933e | 1852 | ScsiDiskDevice,\r |
1853 | &NeedRetry,\r | |
1854 | &SenseData,\r | |
1855 | &NumberOfSenseKeys,\r | |
1856 | Timeout,\r | |
1857 | PtrBuffer,\r | |
1858 | &ByteCount,\r | |
f95bc048 | 1859 | Lba,\r |
a108933e | 1860 | SectorCount\r |
f95bc048 | 1861 | ); \r |
a108933e | 1862 | }\r |
6ad55b15 | 1863 | if (!EFI_ERROR (Status)) {\r |
1864 | break;\r | |
1865 | }\r | |
1866 | \r | |
1867 | if (!NeedRetry) {\r | |
1868 | return EFI_DEVICE_ERROR;\r | |
1869 | }\r | |
1870 | }\r | |
1871 | \r | |
1872 | if ((Index == MaxRetry) && (Status != EFI_SUCCESS)) {\r | |
1873 | return EFI_DEVICE_ERROR;\r | |
1874 | }\r | |
1875 | //\r | |
1876 | // actual transferred sectors\r | |
1877 | //\r | |
1878 | SectorCount = ByteCount / BlockSize;\r | |
1879 | \r | |
a108933e | 1880 | Lba += SectorCount;\r |
6ad55b15 | 1881 | PtrBuffer = PtrBuffer + SectorCount * BlockSize;\r |
1882 | BlocksRemaining -= SectorCount;\r | |
1883 | }\r | |
1884 | \r | |
1885 | return EFI_SUCCESS;\r | |
1886 | }\r | |
1887 | \r | |
9beb888e | 1888 | \r |
1889 | /**\r | |
a108933e | 1890 | Submit Read(10) command.\r |
9beb888e | 1891 | \r |
1892 | @param ScsiDiskDevice The pointer of ScsiDiskDevice\r | |
1893 | @param NeedRetry The pointer of flag indicates if needs retry if error happens\r | |
1894 | @param SenseDataArray NOT used yet in this function\r | |
1895 | @param NumberOfSenseKeys The number of sense key\r | |
1896 | @param Timeout The time to complete the command\r | |
1897 | @param DataBuffer The buffer to fill with the read out data\r | |
1898 | @param DataLength The length of buffer\r | |
1899 | @param StartLba The start logic block address\r | |
1900 | @param SectorSize The size of sector\r | |
1901 | \r | |
1902 | @return EFI_STATUS is returned by calling ScsiRead10Command().\r | |
1903 | **/\r | |
6ad55b15 | 1904 | EFI_STATUS\r |
1905 | ScsiDiskRead10 (\r | |
9beb888e | 1906 | IN SCSI_DISK_DEV *ScsiDiskDevice,\r |
1907 | OUT BOOLEAN *NeedRetry,\r | |
1908 | OUT EFI_SCSI_SENSE_DATA **SenseDataArray, OPTIONAL\r | |
1909 | OUT UINTN *NumberOfSenseKeys,\r | |
1910 | IN UINT64 Timeout,\r | |
1911 | OUT UINT8 *DataBuffer,\r | |
1912 | IN OUT UINT32 *DataLength,\r | |
1913 | IN UINT32 StartLba,\r | |
1914 | IN UINT32 SectorSize\r | |
6ad55b15 | 1915 | )\r |
6ad55b15 | 1916 | {\r |
1917 | UINT8 SenseDataLength;\r | |
1918 | EFI_STATUS Status;\r | |
1919 | UINT8 HostAdapterStatus;\r | |
1920 | UINT8 TargetStatus;\r | |
1921 | \r | |
1922 | *NeedRetry = FALSE;\r | |
1923 | *NumberOfSenseKeys = 0;\r | |
1924 | SenseDataLength = 0;\r | |
d35be2a4 | 1925 | Status = ScsiRead10Command (\r |
6ad55b15 | 1926 | ScsiDiskDevice->ScsiIo,\r |
1927 | Timeout,\r | |
1928 | NULL,\r | |
1929 | &SenseDataLength,\r | |
1930 | &HostAdapterStatus,\r | |
1931 | &TargetStatus,\r | |
1932 | DataBuffer,\r | |
1933 | DataLength,\r | |
1934 | StartLba,\r | |
1935 | SectorSize\r | |
1936 | );\r | |
1937 | return Status;\r | |
1938 | }\r | |
1939 | \r | |
6ad55b15 | 1940 | \r |
9beb888e | 1941 | /**\r |
a108933e | 1942 | Submit Write(10) Command.\r |
6ad55b15 | 1943 | \r |
9beb888e | 1944 | @param ScsiDiskDevice The pointer of ScsiDiskDevice\r |
1945 | @param NeedRetry The pointer of flag indicates if needs retry if error happens\r | |
1946 | @param SenseDataArray NOT used yet in this function\r | |
1947 | @param NumberOfSenseKeys The number of sense key\r | |
1948 | @param Timeout The time to complete the command\r | |
1949 | @param DataBuffer The buffer to fill with the read out data\r | |
1950 | @param DataLength The length of buffer\r | |
1951 | @param StartLba The start logic block address\r | |
1952 | @param SectorSize The size of sector\r | |
6ad55b15 | 1953 | \r |
9beb888e | 1954 | @return EFI_STATUS is returned by calling ScsiWrite10Command().\r |
6ad55b15 | 1955 | \r |
9beb888e | 1956 | **/\r |
1957 | EFI_STATUS\r | |
1958 | ScsiDiskWrite10 (\r | |
1959 | IN SCSI_DISK_DEV *ScsiDiskDevice,\r | |
1960 | OUT BOOLEAN *NeedRetry,\r | |
1961 | OUT EFI_SCSI_SENSE_DATA **SenseDataArray, OPTIONAL\r | |
1962 | OUT UINTN *NumberOfSenseKeys,\r | |
1963 | IN UINT64 Timeout,\r | |
1964 | IN UINT8 *DataBuffer,\r | |
1965 | IN OUT UINT32 *DataLength,\r | |
1966 | IN UINT32 StartLba,\r | |
1967 | IN UINT32 SectorSize\r | |
1968 | )\r | |
6ad55b15 | 1969 | {\r |
1970 | EFI_STATUS Status;\r | |
1971 | UINT8 SenseDataLength;\r | |
1972 | UINT8 HostAdapterStatus;\r | |
1973 | UINT8 TargetStatus;\r | |
1974 | \r | |
1975 | *NeedRetry = FALSE;\r | |
1976 | *NumberOfSenseKeys = 0;\r | |
1977 | SenseDataLength = 0;\r | |
d35be2a4 | 1978 | Status = ScsiWrite10Command (\r |
6ad55b15 | 1979 | ScsiDiskDevice->ScsiIo,\r |
1980 | Timeout,\r | |
1981 | NULL,\r | |
1982 | &SenseDataLength,\r | |
1983 | &HostAdapterStatus,\r | |
1984 | &TargetStatus,\r | |
1985 | DataBuffer,\r | |
1986 | DataLength,\r | |
1987 | StartLba,\r | |
1988 | SectorSize\r | |
1989 | );\r | |
1990 | return Status;\r | |
1991 | }\r | |
1992 | \r | |
9beb888e | 1993 | \r |
a108933e | 1994 | /**\r |
1995 | Submit Read(16) command.\r | |
1996 | \r | |
1997 | @param ScsiDiskDevice The pointer of ScsiDiskDevice\r | |
1998 | @param NeedRetry The pointer of flag indicates if needs retry if error happens\r | |
1999 | @param SenseDataArray NOT used yet in this function\r | |
2000 | @param NumberOfSenseKeys The number of sense key\r | |
2001 | @param Timeout The time to complete the command\r | |
2002 | @param DataBuffer The buffer to fill with the read out data\r | |
2003 | @param DataLength The length of buffer\r | |
2004 | @param StartLba The start logic block address\r | |
2005 | @param SectorSize The size of sector\r | |
2006 | \r | |
2007 | @return EFI_STATUS is returned by calling ScsiRead10Command().\r | |
2008 | **/\r | |
2009 | EFI_STATUS\r | |
2010 | ScsiDiskRead16 (\r | |
2011 | IN SCSI_DISK_DEV *ScsiDiskDevice,\r | |
2012 | OUT BOOLEAN *NeedRetry,\r | |
2013 | OUT EFI_SCSI_SENSE_DATA **SenseDataArray, OPTIONAL\r | |
2014 | OUT UINTN *NumberOfSenseKeys,\r | |
2015 | IN UINT64 Timeout,\r | |
2016 | OUT UINT8 *DataBuffer,\r | |
2017 | IN OUT UINT32 *DataLength,\r | |
2018 | IN UINT64 StartLba,\r | |
2019 | IN UINT32 SectorSize\r | |
2020 | )\r | |
2021 | {\r | |
2022 | UINT8 SenseDataLength;\r | |
2023 | EFI_STATUS Status;\r | |
2024 | UINT8 HostAdapterStatus;\r | |
2025 | UINT8 TargetStatus;\r | |
2026 | \r | |
2027 | *NeedRetry = FALSE;\r | |
2028 | *NumberOfSenseKeys = 0;\r | |
2029 | SenseDataLength = 0;\r | |
2030 | Status = ScsiRead16Command (\r | |
2031 | ScsiDiskDevice->ScsiIo,\r | |
2032 | Timeout,\r | |
2033 | NULL,\r | |
2034 | &SenseDataLength,\r | |
2035 | &HostAdapterStatus,\r | |
2036 | &TargetStatus,\r | |
2037 | DataBuffer,\r | |
2038 | DataLength,\r | |
2039 | StartLba,\r | |
2040 | SectorSize\r | |
2041 | );\r | |
2042 | return Status;\r | |
2043 | }\r | |
2044 | \r | |
2045 | \r | |
2046 | /**\r | |
2047 | Submit Write(16) Command.\r | |
2048 | \r | |
2049 | @param ScsiDiskDevice The pointer of ScsiDiskDevice\r | |
2050 | @param NeedRetry The pointer of flag indicates if needs retry if error happens\r | |
2051 | @param SenseDataArray NOT used yet in this function\r | |
2052 | @param NumberOfSenseKeys The number of sense key\r | |
2053 | @param Timeout The time to complete the command\r | |
2054 | @param DataBuffer The buffer to fill with the read out data\r | |
2055 | @param DataLength The length of buffer\r | |
2056 | @param StartLba The start logic block address\r | |
2057 | @param SectorSize The size of sector\r | |
2058 | \r | |
2059 | @return EFI_STATUS is returned by calling ScsiWrite10Command().\r | |
2060 | \r | |
2061 | **/\r | |
2062 | EFI_STATUS\r | |
2063 | ScsiDiskWrite16 (\r | |
2064 | IN SCSI_DISK_DEV *ScsiDiskDevice,\r | |
2065 | OUT BOOLEAN *NeedRetry,\r | |
2066 | OUT EFI_SCSI_SENSE_DATA **SenseDataArray, OPTIONAL\r | |
2067 | OUT UINTN *NumberOfSenseKeys,\r | |
2068 | IN UINT64 Timeout,\r | |
2069 | IN UINT8 *DataBuffer,\r | |
2070 | IN OUT UINT32 *DataLength,\r | |
2071 | IN UINT64 StartLba,\r | |
2072 | IN UINT32 SectorSize\r | |
2073 | )\r | |
2074 | {\r | |
2075 | EFI_STATUS Status;\r | |
2076 | UINT8 SenseDataLength;\r | |
2077 | UINT8 HostAdapterStatus;\r | |
2078 | UINT8 TargetStatus;\r | |
2079 | \r | |
2080 | *NeedRetry = FALSE;\r | |
2081 | *NumberOfSenseKeys = 0;\r | |
2082 | SenseDataLength = 0;\r | |
2083 | Status = ScsiWrite16Command (\r | |
2084 | ScsiDiskDevice->ScsiIo,\r | |
2085 | Timeout,\r | |
2086 | NULL,\r | |
2087 | &SenseDataLength,\r | |
2088 | &HostAdapterStatus,\r | |
2089 | &TargetStatus,\r | |
2090 | DataBuffer,\r | |
2091 | DataLength,\r | |
2092 | StartLba,\r | |
2093 | SectorSize\r | |
2094 | );\r | |
2095 | return Status;\r | |
2096 | }\r | |
2097 | \r | |
2098 | \r | |
9beb888e | 2099 | /**\r |
2100 | Check sense key to find if media presents.\r | |
2101 | \r | |
2102 | @param SenseData The pointer of EFI_SCSI_SENSE_DATA\r | |
2103 | @param SenseCounts The number of sense key\r | |
2104 | \r | |
2105 | @retval TRUE NOT any media\r | |
2106 | @retval FALSE Media presents\r | |
2107 | **/\r | |
6ad55b15 | 2108 | BOOLEAN\r |
2109 | ScsiDiskIsNoMedia (\r | |
2110 | IN EFI_SCSI_SENSE_DATA *SenseData,\r | |
2111 | IN UINTN SenseCounts\r | |
2112 | )\r | |
6ad55b15 | 2113 | {\r |
2114 | EFI_SCSI_SENSE_DATA *SensePtr;\r | |
2115 | UINTN Index;\r | |
2116 | BOOLEAN IsNoMedia;\r | |
2117 | \r | |
2118 | IsNoMedia = FALSE;\r | |
2119 | SensePtr = SenseData;\r | |
2120 | \r | |
2121 | for (Index = 0; Index < SenseCounts; Index++) {\r | |
6ad55b15 | 2122 | //\r |
2123 | // Sense Key is EFI_SCSI_SK_NOT_READY (0x2),\r | |
2124 | // Additional Sense Code is ASC_NO_MEDIA (0x3A)\r | |
2125 | //\r | |
2126 | if ((SensePtr->Sense_Key == EFI_SCSI_SK_NOT_READY) &&\r | |
2127 | (SensePtr->Addnl_Sense_Code == EFI_SCSI_ASC_NO_MEDIA)) {\r | |
2128 | IsNoMedia = TRUE;\r | |
2129 | }\r | |
6ad55b15 | 2130 | SensePtr++;\r |
2131 | }\r | |
2132 | \r | |
2133 | return IsNoMedia;\r | |
2134 | }\r | |
2135 | \r | |
9beb888e | 2136 | \r |
2137 | /**\r | |
2138 | Parse sense key.\r | |
2139 | \r | |
2140 | @param SenseData The pointer of EFI_SCSI_SENSE_DATA\r | |
2141 | @param SenseCounts The number of sense key\r | |
2142 | \r | |
2143 | @retval TRUE Error\r | |
2144 | @retval FALSE NOT error\r | |
2145 | \r | |
2146 | **/\r | |
6ad55b15 | 2147 | BOOLEAN\r |
2148 | ScsiDiskIsMediaError (\r | |
2149 | IN EFI_SCSI_SENSE_DATA *SenseData,\r | |
2150 | IN UINTN SenseCounts\r | |
2151 | )\r | |
6ad55b15 | 2152 | {\r |
2153 | EFI_SCSI_SENSE_DATA *SensePtr;\r | |
2154 | UINTN Index;\r | |
2155 | BOOLEAN IsError;\r | |
2156 | \r | |
2157 | IsError = FALSE;\r | |
2158 | SensePtr = SenseData;\r | |
2159 | \r | |
2160 | for (Index = 0; Index < SenseCounts; Index++) {\r | |
2161 | \r | |
2162 | switch (SensePtr->Sense_Key) {\r | |
2163 | \r | |
2164 | case EFI_SCSI_SK_MEDIUM_ERROR:\r | |
2165 | //\r | |
2166 | // Sense Key is EFI_SCSI_SK_MEDIUM_ERROR (0x3)\r | |
2167 | //\r | |
2168 | switch (SensePtr->Addnl_Sense_Code) {\r | |
2169 | \r | |
2170 | //\r | |
2171 | // fall through\r | |
2172 | //\r | |
2173 | case EFI_SCSI_ASC_MEDIA_ERR1:\r | |
2174 | \r | |
2175 | //\r | |
2176 | // fall through\r | |
2177 | //\r | |
2178 | case EFI_SCSI_ASC_MEDIA_ERR2:\r | |
2179 | \r | |
2180 | //\r | |
2181 | // fall through\r | |
2182 | //\r | |
2183 | case EFI_SCSI_ASC_MEDIA_ERR3:\r | |
2184 | case EFI_SCSI_ASC_MEDIA_ERR4:\r | |
2185 | IsError = TRUE;\r | |
2186 | break;\r | |
2187 | \r | |
2188 | default:\r | |
2189 | break;\r | |
2190 | }\r | |
2191 | \r | |
2192 | break;\r | |
2193 | \r | |
2194 | case EFI_SCSI_SK_NOT_READY:\r | |
2195 | //\r | |
2196 | // Sense Key is EFI_SCSI_SK_NOT_READY (0x2)\r | |
2197 | //\r | |
2198 | switch (SensePtr->Addnl_Sense_Code) {\r | |
2199 | //\r | |
2200 | // Additional Sense Code is ASC_MEDIA_UPSIDE_DOWN (0x6)\r | |
2201 | //\r | |
2202 | case EFI_SCSI_ASC_MEDIA_UPSIDE_DOWN:\r | |
2203 | IsError = TRUE;\r | |
2204 | break;\r | |
2205 | \r | |
2206 | default:\r | |
2207 | break;\r | |
2208 | }\r | |
2209 | break;\r | |
2210 | \r | |
2211 | default:\r | |
2212 | break;\r | |
2213 | }\r | |
2214 | \r | |
2215 | SensePtr++;\r | |
2216 | }\r | |
2217 | \r | |
2218 | return IsError;\r | |
2219 | }\r | |
2220 | \r | |
9beb888e | 2221 | \r |
2222 | /**\r | |
2223 | Check sense key to find if hardware error happens.\r | |
2224 | \r | |
2225 | @param SenseData The pointer of EFI_SCSI_SENSE_DATA\r | |
2226 | @param SenseCounts The number of sense key\r | |
2227 | \r | |
2228 | @retval TRUE Hardware error exits.\r | |
2229 | @retval FALSE NO error.\r | |
2230 | \r | |
2231 | **/\r | |
6ad55b15 | 2232 | BOOLEAN\r |
2233 | ScsiDiskIsHardwareError (\r | |
2234 | IN EFI_SCSI_SENSE_DATA *SenseData,\r | |
2235 | IN UINTN SenseCounts\r | |
2236 | )\r | |
6ad55b15 | 2237 | {\r |
2238 | EFI_SCSI_SENSE_DATA *SensePtr;\r | |
2239 | UINTN Index;\r | |
2240 | BOOLEAN IsError;\r | |
2241 | \r | |
2242 | IsError = FALSE;\r | |
2243 | SensePtr = SenseData;\r | |
2244 | \r | |
2245 | for (Index = 0; Index < SenseCounts; Index++) {\r | |
2246 | \r | |
2247 | //\r | |
2248 | // Sense Key is EFI_SCSI_SK_HARDWARE_ERROR (0x4)\r | |
2249 | //\r | |
2250 | if (SensePtr->Sense_Key == EFI_SCSI_SK_HARDWARE_ERROR) {\r | |
2251 | IsError = TRUE;\r | |
2252 | }\r | |
2253 | \r | |
2254 | SensePtr++;\r | |
2255 | }\r | |
2256 | \r | |
2257 | return IsError;\r | |
2258 | }\r | |
2259 | \r | |
9beb888e | 2260 | \r |
2261 | /**\r | |
2262 | Check sense key to find if media has changed.\r | |
2263 | \r | |
2264 | @param SenseData The pointer of EFI_SCSI_SENSE_DATA\r | |
2265 | @param SenseCounts The number of sense key\r | |
2266 | \r | |
2267 | @retval TRUE Media is changed.\r | |
d716651f | 2268 | @retval FALSE Media is NOT changed.\r |
9beb888e | 2269 | **/\r |
6ad55b15 | 2270 | BOOLEAN\r |
2271 | ScsiDiskIsMediaChange (\r | |
2272 | IN EFI_SCSI_SENSE_DATA *SenseData,\r | |
2273 | IN UINTN SenseCounts\r | |
2274 | )\r | |
6ad55b15 | 2275 | {\r |
2276 | EFI_SCSI_SENSE_DATA *SensePtr;\r | |
2277 | UINTN Index;\r | |
2278 | BOOLEAN IsMediaChanged;\r | |
2279 | \r | |
2280 | IsMediaChanged = FALSE;\r | |
2281 | SensePtr = SenseData;\r | |
2282 | \r | |
2283 | for (Index = 0; Index < SenseCounts; Index++) {\r | |
2284 | //\r | |
2285 | // Sense Key is EFI_SCSI_SK_UNIT_ATTENTION (0x6),\r | |
2286 | // Additional sense code is EFI_SCSI_ASC_MEDIA_CHANGE (0x28)\r | |
2287 | //\r | |
2288 | if ((SensePtr->Sense_Key == EFI_SCSI_SK_UNIT_ATTENTION) &&\r | |
2289 | (SensePtr->Addnl_Sense_Code == EFI_SCSI_ASC_MEDIA_CHANGE)) {\r | |
2290 | IsMediaChanged = TRUE;\r | |
2291 | }\r | |
2292 | \r | |
2293 | SensePtr++;\r | |
2294 | }\r | |
2295 | \r | |
2296 | return IsMediaChanged;\r | |
2297 | }\r | |
2298 | \r | |
9beb888e | 2299 | /**\r |
2300 | Check sense key to find if reset happens.\r | |
2301 | \r | |
2302 | @param SenseData The pointer of EFI_SCSI_SENSE_DATA\r | |
2303 | @param SenseCounts The number of sense key\r | |
2304 | \r | |
2305 | @retval TRUE It is reset before.\r | |
2306 | @retval FALSE It is NOT reset before.\r | |
2307 | \r | |
2308 | **/\r | |
6ad55b15 | 2309 | BOOLEAN\r |
2310 | ScsiDiskIsResetBefore (\r | |
2311 | IN EFI_SCSI_SENSE_DATA *SenseData,\r | |
2312 | IN UINTN SenseCounts\r | |
2313 | )\r | |
6ad55b15 | 2314 | {\r |
2315 | EFI_SCSI_SENSE_DATA *SensePtr;\r | |
2316 | UINTN Index;\r | |
2317 | BOOLEAN IsResetBefore;\r | |
2318 | \r | |
2319 | IsResetBefore = FALSE;\r | |
2320 | SensePtr = SenseData;\r | |
2321 | \r | |
2322 | for (Index = 0; Index < SenseCounts; Index++) {\r | |
2323 | \r | |
2324 | //\r | |
2325 | // Sense Key is EFI_SCSI_SK_UNIT_ATTENTION (0x6)\r | |
2326 | // Additional Sense Code is EFI_SCSI_ASC_RESET (0x29)\r | |
2327 | //\r | |
2328 | if ((SensePtr->Sense_Key == EFI_SCSI_SK_UNIT_ATTENTION) &&\r | |
2329 | (SensePtr->Addnl_Sense_Code == EFI_SCSI_ASC_RESET)) {\r | |
2330 | IsResetBefore = TRUE;\r | |
2331 | }\r | |
2332 | \r | |
2333 | SensePtr++;\r | |
2334 | }\r | |
2335 | \r | |
2336 | return IsResetBefore;\r | |
2337 | }\r | |
2338 | \r | |
9beb888e | 2339 | /**\r |
2340 | Check sense key to find if the drive is ready.\r | |
2341 | \r | |
2342 | @param SenseData The pointer of EFI_SCSI_SENSE_DATA\r | |
2343 | @param SenseCounts The number of sense key\r | |
2344 | @param RetryLater The flag means if need a retry \r | |
2345 | \r | |
2346 | @retval TRUE Drive is ready.\r | |
2347 | @retval FALSE Drive is NOT ready.\r | |
2348 | \r | |
2349 | **/\r | |
6ad55b15 | 2350 | BOOLEAN\r |
2351 | ScsiDiskIsDriveReady (\r | |
2352 | IN EFI_SCSI_SENSE_DATA *SenseData,\r | |
2353 | IN UINTN SenseCounts,\r | |
2354 | OUT BOOLEAN *RetryLater\r | |
2355 | )\r | |
6ad55b15 | 2356 | {\r |
2357 | EFI_SCSI_SENSE_DATA *SensePtr;\r | |
2358 | UINTN Index;\r | |
2359 | BOOLEAN IsReady;\r | |
2360 | \r | |
2361 | IsReady = TRUE;\r | |
2362 | *RetryLater = FALSE;\r | |
2363 | SensePtr = SenseData;\r | |
2364 | \r | |
2365 | for (Index = 0; Index < SenseCounts; Index++) {\r | |
2366 | \r | |
2367 | switch (SensePtr->Sense_Key) {\r | |
2368 | \r | |
2369 | case EFI_SCSI_SK_NOT_READY:\r | |
2370 | //\r | |
2371 | // Sense Key is EFI_SCSI_SK_NOT_READY (0x2)\r | |
2372 | //\r | |
2373 | switch (SensePtr->Addnl_Sense_Code) {\r | |
2374 | case EFI_SCSI_ASC_NOT_READY:\r | |
2375 | //\r | |
2376 | // Additional Sense Code is EFI_SCSI_ASC_NOT_READY (0x4)\r | |
2377 | //\r | |
2378 | switch (SensePtr->Addnl_Sense_Code_Qualifier) {\r | |
2379 | case EFI_SCSI_ASCQ_IN_PROGRESS:\r | |
2380 | //\r | |
2381 | // Additional Sense Code Qualifier is\r | |
2382 | // EFI_SCSI_ASCQ_IN_PROGRESS (0x1)\r | |
2383 | //\r | |
2384 | IsReady = FALSE;\r | |
2385 | *RetryLater = TRUE;\r | |
2386 | break;\r | |
2387 | \r | |
2388 | default:\r | |
2389 | IsReady = FALSE;\r | |
2390 | *RetryLater = FALSE;\r | |
2391 | break;\r | |
2392 | }\r | |
2393 | break;\r | |
2394 | \r | |
2395 | default:\r | |
2396 | break;\r | |
2397 | }\r | |
2398 | break;\r | |
2399 | \r | |
2400 | default:\r | |
2401 | break;\r | |
2402 | }\r | |
2403 | \r | |
2404 | SensePtr++;\r | |
2405 | }\r | |
2406 | \r | |
2407 | return IsReady;\r | |
2408 | }\r | |
2409 | \r | |
9beb888e | 2410 | /**\r |
2411 | Check sense key to find if it has sense key.\r | |
2412 | \r | |
2413 | @param SenseData - The pointer of EFI_SCSI_SENSE_DATA\r | |
2414 | @param SenseCounts - The number of sense key\r | |
2415 | \r | |
2416 | @retval TRUE It has sense key.\r | |
2417 | @retval FALSE It has NOT any sense key.\r | |
2418 | \r | |
2419 | **/\r | |
6ad55b15 | 2420 | BOOLEAN\r |
2421 | ScsiDiskHaveSenseKey (\r | |
2422 | IN EFI_SCSI_SENSE_DATA *SenseData,\r | |
2423 | IN UINTN SenseCounts\r | |
2424 | )\r | |
6ad55b15 | 2425 | {\r |
2426 | EFI_SCSI_SENSE_DATA *SensePtr;\r | |
2427 | UINTN Index;\r | |
2428 | BOOLEAN HaveSenseKey;\r | |
2429 | \r | |
2430 | if (SenseCounts == 0) {\r | |
2431 | HaveSenseKey = FALSE;\r | |
2432 | } else {\r | |
2433 | HaveSenseKey = TRUE;\r | |
2434 | }\r | |
2435 | \r | |
2436 | SensePtr = SenseData;\r | |
2437 | \r | |
2438 | for (Index = 0; Index < SenseCounts; Index++) {\r | |
2439 | \r | |
2440 | //\r | |
2441 | // Sense Key is SK_NO_SENSE (0x0)\r | |
2442 | //\r | |
2443 | if ((SensePtr->Sense_Key == EFI_SCSI_SK_NO_SENSE) &&\r | |
2444 | (Index == 0)) {\r | |
2445 | HaveSenseKey = FALSE;\r | |
2446 | }\r | |
2447 | \r | |
2448 | SensePtr++;\r | |
2449 | }\r | |
2450 | \r | |
2451 | return HaveSenseKey;\r | |
2452 | }\r | |
2453 | \r | |
9beb888e | 2454 | /**\r |
2455 | Release resource about disk device.\r | |
2456 | \r | |
2457 | @param ScsiDiskDevice The pointer of SCSI_DISK_DEV\r | |
2458 | \r | |
2459 | **/\r | |
6ad55b15 | 2460 | VOID\r |
2461 | ReleaseScsiDiskDeviceResources (\r | |
2462 | IN SCSI_DISK_DEV *ScsiDiskDevice\r | |
2463 | )\r | |
6ad55b15 | 2464 | {\r |
2465 | if (ScsiDiskDevice == NULL) {\r | |
2466 | return ;\r | |
2467 | }\r | |
2468 | \r | |
2469 | if (ScsiDiskDevice->SenseData != NULL) {\r | |
9b38ff34 | 2470 | FreePool (ScsiDiskDevice->SenseData);\r |
6ad55b15 | 2471 | ScsiDiskDevice->SenseData = NULL;\r |
2472 | }\r | |
2473 | \r | |
2474 | if (ScsiDiskDevice->ControllerNameTable != NULL) {\r | |
2475 | FreeUnicodeStringTable (ScsiDiskDevice->ControllerNameTable);\r | |
2476 | ScsiDiskDevice->ControllerNameTable = NULL;\r | |
2477 | }\r | |
2478 | \r | |
9b38ff34 | 2479 | FreePool (ScsiDiskDevice);\r |
6ad55b15 | 2480 | \r |
2481 | ScsiDiskDevice = NULL;\r | |
2482 | }\r | |
d14faa52 | 2483 | \r |
2484 | /**\r | |
2485 | Determine if Block Io should be produced.\r | |
2486 | \r | |
2487 | \r | |
d716651f | 2488 | @param ChildHandle Child Handle to retrieve Parent information.\r |
d14faa52 | 2489 | \r |
2490 | @retval TRUE Should produce Block Io.\r | |
2491 | @retval FALSE Should not produce Block Io.\r | |
2492 | \r | |
2493 | **/ \r | |
2494 | BOOLEAN\r | |
2495 | DetermineInstallBlockIo (\r | |
2496 | IN EFI_HANDLE ChildHandle\r | |
2497 | ) \r | |
2498 | {\r | |
2499 | EFI_SCSI_PASS_THRU_PROTOCOL *ScsiPassThru;\r | |
2500 | EFI_EXT_SCSI_PASS_THRU_PROTOCOL *ExtScsiPassThru;\r | |
2501 | \r | |
2502 | //\r | |
2503 | // Firstly, check if ExtScsiPassThru Protocol parent handle exists. If existence,\r | |
2504 | // check its attribute, logic or physical.\r | |
2505 | //\r | |
2506 | ExtScsiPassThru = (EFI_EXT_SCSI_PASS_THRU_PROTOCOL *)GetParentProtocol (&gEfiExtScsiPassThruProtocolGuid, ChildHandle);\r | |
2507 | if (ExtScsiPassThru != NULL) {\r | |
2508 | if ((ExtScsiPassThru->Mode->Attributes & EFI_SCSI_PASS_THRU_ATTRIBUTES_LOGICAL) != 0) {\r | |
2509 | return TRUE;\r | |
2510 | }\r | |
2511 | }\r | |
2512 | \r | |
2513 | //\r | |
2514 | // Secondly, check if ScsiPassThru Protocol parent handle exists. If existence,\r | |
2515 | // check its attribute, logic or physical.\r | |
2516 | //\r | |
2517 | ScsiPassThru = (EFI_SCSI_PASS_THRU_PROTOCOL *)GetParentProtocol (&gEfiScsiPassThruProtocolGuid, ChildHandle);\r | |
2518 | if (ScsiPassThru != NULL) {\r | |
2519 | if ((ScsiPassThru->Mode->Attributes & EFI_SCSI_PASS_THRU_ATTRIBUTES_LOGICAL) != 0) {\r | |
2520 | return TRUE;\r | |
2521 | }\r | |
2522 | }\r | |
2523 | \r | |
2524 | return FALSE;\r | |
2525 | }\r | |
2526 | \r | |
2527 | /**\r | |
2528 | Search protocol database and check to see if the protocol\r | |
2529 | specified by ProtocolGuid is present on a ControllerHandle and opened by\r | |
2530 | ChildHandle with an attribute of EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER.\r | |
2531 | If the ControllerHandle is found, then the protocol specified by ProtocolGuid\r | |
2532 | will be opened on it. \r | |
2533 | \r | |
2534 | \r | |
2535 | @param ProtocolGuid ProtocolGuid pointer.\r | |
2536 | @param ChildHandle Child Handle to retrieve Parent information.\r | |
2537 | \r | |
2538 | **/ \r | |
2539 | VOID *\r | |
2540 | EFIAPI\r | |
2541 | GetParentProtocol (\r | |
2542 | IN EFI_GUID *ProtocolGuid,\r | |
2543 | IN EFI_HANDLE ChildHandle\r | |
2544 | ) \r | |
2545 | {\r | |
2546 | UINTN Index;\r | |
2547 | UINTN HandleCount;\r | |
2548 | VOID *Interface; \r | |
2549 | EFI_STATUS Status;\r | |
2550 | EFI_HANDLE *HandleBuffer;\r | |
2551 | \r | |
2552 | //\r | |
2553 | // Retrieve the list of all handles from the handle database\r | |
2554 | //\r | |
2555 | Status = gBS->LocateHandleBuffer (\r | |
2556 | ByProtocol,\r | |
2557 | ProtocolGuid,\r | |
2558 | NULL,\r | |
2559 | &HandleCount,\r | |
2560 | &HandleBuffer\r | |
2561 | );\r | |
2562 | \r | |
2563 | if (EFI_ERROR (Status)) {\r | |
2564 | return NULL;\r | |
2565 | }\r | |
2566 | \r | |
2567 | //\r | |
2568 | // Iterate to find who is parent handle that is opened with ProtocolGuid by ChildHandle \r | |
2569 | //\r | |
2570 | for (Index = 0; Index < HandleCount; Index++) {\r | |
2571 | Status = EfiTestChildHandle (HandleBuffer[Index], ChildHandle, ProtocolGuid);\r | |
2572 | if (!EFI_ERROR (Status)) {\r | |
2573 | Status = gBS->HandleProtocol (HandleBuffer[Index], ProtocolGuid, (VOID **)&Interface);\r | |
2574 | if (!EFI_ERROR (Status)) {\r | |
2575 | gBS->FreePool (HandleBuffer);\r | |
2576 | return Interface;\r | |
2577 | }\r | |
2578 | }\r | |
2579 | }\r | |
2580 | \r | |
2581 | gBS->FreePool (HandleBuffer);\r | |
2582 | return NULL;\r | |
2583 | } \r | |
2584 | \r | |
d716651f | 2585 | /**\r |
2586 | Provides inquiry information for the controller type.\r | |
2587 | \r | |
2588 | This function is used by the IDE bus driver to get inquiry data. Data format\r | |
2589 | of Identify data is defined by the Interface GUID.\r | |
2590 | \r | |
4140a663 | 2591 | @param[in] This Pointer to the EFI_DISK_INFO_PROTOCOL instance.\r |
2592 | @param[in, out] InquiryData Pointer to a buffer for the inquiry data.\r | |
2593 | @param[in, out] InquiryDataSize Pointer to the value for the inquiry data size.\r | |
d716651f | 2594 | \r |
2595 | @retval EFI_SUCCESS The command was accepted without any errors.\r | |
2596 | @retval EFI_NOT_FOUND Device does not support this data class \r | |
2597 | @retval EFI_DEVICE_ERROR Error reading InquiryData from device \r | |
2598 | @retval EFI_BUFFER_TOO_SMALL InquiryDataSize not big enough \r | |
2599 | \r | |
2600 | **/\r | |
2601 | EFI_STATUS\r | |
2602 | EFIAPI\r | |
2603 | ScsiDiskInfoInquiry (\r | |
2604 | IN EFI_DISK_INFO_PROTOCOL *This,\r | |
2605 | IN OUT VOID *InquiryData,\r | |
2606 | IN OUT UINT32 *InquiryDataSize\r | |
2607 | )\r | |
2608 | {\r | |
2609 | EFI_STATUS Status;\r | |
2610 | SCSI_DISK_DEV *ScsiDiskDevice;\r | |
2611 | \r | |
2612 | ScsiDiskDevice = SCSI_DISK_DEV_FROM_DISKINFO (This);\r | |
2613 | \r | |
2614 | Status = EFI_BUFFER_TOO_SMALL;\r | |
2615 | if (*InquiryDataSize >= sizeof (ScsiDiskDevice->InquiryData)) {\r | |
2616 | Status = EFI_SUCCESS;\r | |
2617 | CopyMem (InquiryData, &ScsiDiskDevice->InquiryData, sizeof (ScsiDiskDevice->InquiryData));\r | |
2618 | }\r | |
2619 | *InquiryDataSize = sizeof (ScsiDiskDevice->InquiryData);\r | |
2620 | return Status;\r | |
2621 | }\r | |
2622 | \r | |
2623 | \r | |
2624 | /**\r | |
2625 | Provides identify information for the controller type.\r | |
2626 | \r | |
2627 | This function is used by the IDE bus driver to get identify data. Data format\r | |
2628 | of Identify data is defined by the Interface GUID.\r | |
2629 | \r | |
4140a663 | 2630 | @param[in] This Pointer to the EFI_DISK_INFO_PROTOCOL \r |
d716651f | 2631 | instance.\r |
4140a663 | 2632 | @param[in, out] IdentifyData Pointer to a buffer for the identify data.\r |
2633 | @param[in, out] IdentifyDataSize Pointer to the value for the identify data\r | |
d716651f | 2634 | size.\r |
2635 | \r | |
2636 | @retval EFI_SUCCESS The command was accepted without any errors.\r | |
2637 | @retval EFI_NOT_FOUND Device does not support this data class \r | |
2638 | @retval EFI_DEVICE_ERROR Error reading IdentifyData from device \r | |
2639 | @retval EFI_BUFFER_TOO_SMALL IdentifyDataSize not big enough \r | |
2640 | \r | |
2641 | **/\r | |
2642 | EFI_STATUS\r | |
2643 | EFIAPI\r | |
2644 | ScsiDiskInfoIdentify (\r | |
2645 | IN EFI_DISK_INFO_PROTOCOL *This,\r | |
2646 | IN OUT VOID *IdentifyData,\r | |
2647 | IN OUT UINT32 *IdentifyDataSize\r | |
2648 | )\r | |
2649 | {\r | |
2650 | EFI_STATUS Status;\r | |
2651 | SCSI_DISK_DEV *ScsiDiskDevice;\r | |
2652 | \r | |
2653 | if (CompareGuid (&This->Interface, &gEfiDiskInfoScsiInterfaceGuid)) {\r | |
2654 | //\r | |
2655 | // Physical SCSI bus does not support this data class. \r | |
2656 | //\r | |
2657 | return EFI_NOT_FOUND;\r | |
2658 | }\r | |
2659 | \r | |
2660 | ScsiDiskDevice = SCSI_DISK_DEV_FROM_DISKINFO (This);\r | |
2661 | \r | |
2662 | Status = EFI_BUFFER_TOO_SMALL;\r | |
2663 | if (*IdentifyDataSize >= sizeof (ScsiDiskDevice->IdentifyData)) {\r | |
2664 | Status = EFI_SUCCESS;\r | |
2665 | CopyMem (IdentifyData, &ScsiDiskDevice->IdentifyData, sizeof (ScsiDiskDevice->IdentifyData));\r | |
2666 | }\r | |
2667 | *IdentifyDataSize = sizeof (ScsiDiskDevice->IdentifyData);\r | |
2668 | return Status;\r | |
2669 | }\r | |
2670 | \r | |
2671 | /**\r | |
2672 | Provides sense data information for the controller type.\r | |
2673 | \r | |
2674 | This function is used by the IDE bus driver to get sense data. \r | |
2675 | Data format of Sense data is defined by the Interface GUID.\r | |
2676 | \r | |
4140a663 | 2677 | @param[in] This Pointer to the EFI_DISK_INFO_PROTOCOL instance.\r |
2678 | @param[in, out] SenseData Pointer to the SenseData.\r | |
2679 | @param[in, out] SenseDataSize Size of SenseData in bytes.\r | |
2680 | @param[out] SenseDataNumber Pointer to the value for the sense data size.\r | |
d716651f | 2681 | \r |
2682 | @retval EFI_SUCCESS The command was accepted without any errors.\r | |
2683 | @retval EFI_NOT_FOUND Device does not support this data class.\r | |
2684 | @retval EFI_DEVICE_ERROR Error reading SenseData from device.\r | |
2685 | @retval EFI_BUFFER_TOO_SMALL SenseDataSize not big enough.\r | |
2686 | \r | |
2687 | **/\r | |
2688 | EFI_STATUS\r | |
2689 | EFIAPI\r | |
2690 | ScsiDiskInfoSenseData (\r | |
2691 | IN EFI_DISK_INFO_PROTOCOL *This,\r | |
2692 | IN OUT VOID *SenseData,\r | |
2693 | IN OUT UINT32 *SenseDataSize,\r | |
2694 | OUT UINT8 *SenseDataNumber\r | |
2695 | )\r | |
2696 | {\r | |
2697 | return EFI_NOT_FOUND;\r | |
2698 | }\r | |
2699 | \r | |
2700 | \r | |
2701 | /**\r | |
2702 | This function is used by the IDE bus driver to get controller information.\r | |
2703 | \r | |
2704 | @param[in] This Pointer to the EFI_DISK_INFO_PROTOCOL instance. \r | |
2705 | @param[out] IdeChannel Pointer to the Ide Channel number. Primary or secondary.\r | |
2706 | @param[out] IdeDevice Pointer to the Ide Device number. Master or slave.\r | |
2707 | \r | |
2708 | @retval EFI_SUCCESS IdeChannel and IdeDevice are valid.\r | |
2709 | @retval EFI_UNSUPPORTED This is not an IDE device.\r | |
2710 | \r | |
2711 | **/\r | |
2712 | EFI_STATUS\r | |
2713 | EFIAPI\r | |
2714 | ScsiDiskInfoWhichIde (\r | |
2715 | IN EFI_DISK_INFO_PROTOCOL *This,\r | |
2716 | OUT UINT32 *IdeChannel,\r | |
2717 | OUT UINT32 *IdeDevice\r | |
2718 | )\r | |
2719 | {\r | |
2720 | SCSI_DISK_DEV *ScsiDiskDevice;\r | |
2721 | \r | |
2722 | if (CompareGuid (&This->Interface, &gEfiDiskInfoScsiInterfaceGuid)) {\r | |
2723 | //\r | |
2724 | // This is not an IDE physical device.\r | |
2725 | //\r | |
2726 | return EFI_UNSUPPORTED;\r | |
2727 | }\r | |
2728 | \r | |
2729 | ScsiDiskDevice = SCSI_DISK_DEV_FROM_DISKINFO (This);\r | |
2730 | *IdeChannel = ScsiDiskDevice->Channel;\r | |
2731 | *IdeDevice = ScsiDiskDevice->Device;\r | |
2732 | \r | |
2733 | return EFI_SUCCESS;\r | |
2734 | }\r | |
2735 | \r | |
2736 | \r | |
2737 | /**\r | |
2738 | Issues ATA IDENTIFY DEVICE command to identify ATAPI device.\r | |
2739 | \r | |
2740 | This function tries to fill 512-byte ATAPI_IDENTIFY_DATA for ATAPI device to\r | |
2741 | implement Identify() interface for DiskInfo protocol. The ATA command is sent\r | |
2742 | via SCSI Request Packet.\r | |
2743 | \r | |
2744 | @param ScsiDiskDevice The pointer of SCSI_DISK_DEV\r | |
2745 | \r | |
2746 | @retval EFI_SUCCESS The ATAPI device identify data were retrieved successfully.\r | |
2747 | @retval others Some error occurred during the identification that ATAPI device.\r | |
2748 | \r | |
2749 | **/ \r | |
2750 | EFI_STATUS\r | |
2751 | AtapiIdentifyDevice (\r | |
2752 | IN OUT SCSI_DISK_DEV *ScsiDiskDevice\r | |
2753 | )\r | |
2754 | {\r | |
2755 | EFI_SCSI_IO_SCSI_REQUEST_PACKET CommandPacket;\r | |
2756 | UINT8 Cdb[6];\r | |
2757 | \r | |
2758 | //\r | |
2759 | // Initialize SCSI REQUEST_PACKET and 6-byte Cdb\r | |
2760 | //\r | |
2761 | ZeroMem (&CommandPacket, sizeof (CommandPacket));\r | |
2762 | ZeroMem (Cdb, sizeof (Cdb));\r | |
2763 | \r | |
2764 | Cdb[0] = ATA_CMD_IDENTIFY_DEVICE;\r | |
2765 | CommandPacket.Timeout = EFI_TIMER_PERIOD_SECONDS (1);\r | |
2766 | CommandPacket.Cdb = Cdb;\r | |
c9325700 | 2767 | CommandPacket.CdbLength = (UINT8) sizeof (Cdb);\r |
d716651f | 2768 | CommandPacket.InDataBuffer = &ScsiDiskDevice->IdentifyData;\r |
2769 | CommandPacket.InTransferLength = sizeof (ScsiDiskDevice->IdentifyData);\r | |
2770 | \r | |
2771 | return ScsiDiskDevice->ScsiIo->ExecuteScsiCommand (ScsiDiskDevice->ScsiIo, &CommandPacket, NULL);\r | |
2772 | }\r | |
2773 | \r | |
2774 | \r | |
2775 | /**\r | |
2776 | Initialize the installation of DiskInfo protocol.\r | |
2777 | \r | |
2778 | This function prepares for the installation of DiskInfo protocol on the child handle.\r | |
2779 | By default, it installs DiskInfo protocol with SCSI interface GUID. If it further\r | |
2780 | detects that the physical device is an ATAPI/AHCI device, it then updates interface GUID\r | |
2781 | to be IDE/AHCI interface GUID.\r | |
2782 | \r | |
2783 | @param ScsiDiskDevice The pointer of SCSI_DISK_DEV.\r | |
2784 | @param ChildHandle Child handle to install DiskInfo protocol.\r | |
2785 | \r | |
2786 | **/ \r | |
2787 | VOID\r | |
2788 | InitializeInstallDiskInfo (\r | |
2789 | IN SCSI_DISK_DEV *ScsiDiskDevice,\r | |
2790 | IN EFI_HANDLE ChildHandle\r | |
2791 | )\r | |
2792 | {\r | |
2793 | EFI_STATUS Status;\r | |
2794 | EFI_DEVICE_PATH_PROTOCOL *DevicePathNode;\r | |
2795 | EFI_DEVICE_PATH_PROTOCOL *ChildDevicePathNode;\r | |
2796 | ATAPI_DEVICE_PATH *AtapiDevicePath;\r | |
2797 | SATA_DEVICE_PATH *SataDevicePath;\r | |
2798 | UINTN IdentifyRetry;\r | |
2799 | \r | |
2800 | Status = gBS->HandleProtocol (ChildHandle, &gEfiDevicePathProtocolGuid, (VOID **) &DevicePathNode);\r | |
2801 | //\r | |
2802 | // Device Path protocol must be installed on the device handle. \r | |
2803 | //\r | |
2804 | ASSERT_EFI_ERROR (Status);\r | |
2805 | //\r | |
2806 | // Copy the DiskInfo protocol template.\r | |
2807 | //\r | |
2808 | CopyMem (&ScsiDiskDevice->DiskInfo, &gScsiDiskInfoProtocolTemplate, sizeof (gScsiDiskInfoProtocolTemplate));\r | |
2809 | \r | |
2810 | while (!IsDevicePathEnd (DevicePathNode)) {\r | |
2811 | ChildDevicePathNode = NextDevicePathNode (DevicePathNode);\r | |
2812 | if ((DevicePathType (DevicePathNode) == HARDWARE_DEVICE_PATH) &&\r | |
2813 | (DevicePathSubType (DevicePathNode) == HW_PCI_DP) &&\r | |
2814 | (DevicePathType (ChildDevicePathNode) == MESSAGING_DEVICE_PATH) &&\r | |
2815 | ((DevicePathSubType (ChildDevicePathNode) == MSG_ATAPI_DP) ||\r | |
2816 | (DevicePathSubType (ChildDevicePathNode) == MSG_SATA_DP))) {\r | |
2817 | \r | |
2818 | IdentifyRetry = 3;\r | |
2819 | do {\r | |
2820 | //\r | |
2821 | // Issue ATA Identify Device Command via SCSI command, which is required to publish DiskInfo protocol\r | |
2822 | // with IDE/AHCI interface GUID.\r | |
2823 | //\r | |
2824 | Status = AtapiIdentifyDevice (ScsiDiskDevice);\r | |
2825 | if (!EFI_ERROR (Status)) {\r | |
2826 | if (DevicePathSubType(ChildDevicePathNode) == MSG_ATAPI_DP) {\r | |
2827 | //\r | |
2828 | // We find the valid ATAPI device path\r | |
2829 | //\r | |
2830 | AtapiDevicePath = (ATAPI_DEVICE_PATH *) ChildDevicePathNode;\r | |
2831 | ScsiDiskDevice->Channel = AtapiDevicePath->PrimarySecondary;\r | |
2832 | ScsiDiskDevice->Device = AtapiDevicePath->SlaveMaster;\r | |
2833 | //\r | |
2834 | // Update the DiskInfo.Interface to IDE interface GUID for the physical ATAPI device. \r | |
2835 | //\r | |
2836 | CopyGuid (&ScsiDiskDevice->DiskInfo.Interface, &gEfiDiskInfoIdeInterfaceGuid);\r | |
2837 | } else {\r | |
2838 | //\r | |
2839 | // We find the valid SATA device path\r | |
2840 | //\r | |
2841 | SataDevicePath = (SATA_DEVICE_PATH *) ChildDevicePathNode;\r | |
2842 | ScsiDiskDevice->Channel = SataDevicePath->HBAPortNumber;\r | |
2843 | ScsiDiskDevice->Device = SataDevicePath->PortMultiplierPortNumber;\r | |
2844 | //\r | |
2845 | // Update the DiskInfo.Interface to AHCI interface GUID for the physical AHCI device. \r | |
2846 | //\r | |
2847 | CopyGuid (&ScsiDiskDevice->DiskInfo.Interface, &gEfiDiskInfoAhciInterfaceGuid);\r | |
2848 | }\r | |
2849 | return;\r | |
2850 | }\r | |
2851 | } while (--IdentifyRetry > 0);\r | |
2852 | }\r | |
2853 | DevicePathNode = ChildDevicePathNode;\r | |
2854 | }\r | |
2855 | \r | |
2856 | return;\r | |
2857 | }\r |