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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 |
cd5ebaa0 HT |
4 | Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>\r |
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 | |
190 | ScsiDiskDevice->BlkIo.Media = &ScsiDiskDevice->BlkIoMedia;\r | |
191 | ScsiDiskDevice->BlkIo.Reset = ScsiDiskReset;\r | |
192 | ScsiDiskDevice->BlkIo.ReadBlocks = ScsiDiskReadBlocks;\r | |
193 | ScsiDiskDevice->BlkIo.WriteBlocks = ScsiDiskWriteBlocks;\r | |
194 | ScsiDiskDevice->BlkIo.FlushBlocks = ScsiDiskFlushBlocks;\r | |
195 | ScsiDiskDevice->Handle = Controller;\r | |
196 | \r | |
197 | ScsiIo->GetDeviceType (ScsiIo, &(ScsiDiskDevice->DeviceType));\r | |
198 | switch (ScsiDiskDevice->DeviceType) {\r | |
199 | case EFI_SCSI_TYPE_DISK:\r | |
200 | ScsiDiskDevice->BlkIo.Media->BlockSize = 0x200;\r | |
201 | break;\r | |
202 | \r | |
203 | case EFI_SCSI_TYPE_CDROM:\r | |
204 | ScsiDiskDevice->BlkIo.Media->BlockSize = 0x800;\r | |
205 | break;\r | |
206 | }\r | |
207 | //\r | |
208 | // The Sense Data Array's initial size is 6\r | |
209 | //\r | |
210 | ScsiDiskDevice->SenseDataNumber = 6;\r | |
9b38ff34 | 211 | ScsiDiskDevice->SenseData = (EFI_SCSI_SENSE_DATA *) AllocateZeroPool (\r |
212 | sizeof (EFI_SCSI_SENSE_DATA) * ScsiDiskDevice->SenseDataNumber\r | |
213 | );\r | |
214 | if (ScsiDiskDevice->SenseData == NULL) {\r | |
6ad55b15 | 215 | gBS->CloseProtocol (\r |
216 | Controller,\r | |
217 | &gEfiScsiIoProtocolGuid,\r | |
218 | This->DriverBindingHandle,\r | |
219 | Controller\r | |
220 | );\r | |
9b38ff34 | 221 | FreePool (ScsiDiskDevice);\r |
222 | return EFI_OUT_OF_RESOURCES;\r | |
6ad55b15 | 223 | }\r |
224 | \r | |
6ad55b15 | 225 | //\r |
dfe687ca | 226 | // Retrieve device information\r |
6ad55b15 | 227 | //\r |
228 | MaxRetry = 2;\r | |
229 | for (Index = 0; Index < MaxRetry; Index++) {\r | |
230 | Status = ScsiDiskInquiryDevice (ScsiDiskDevice, &NeedRetry);\r | |
231 | if (!EFI_ERROR (Status)) {\r | |
232 | break;\r | |
233 | }\r | |
234 | \r | |
235 | if (!NeedRetry) {\r | |
9b38ff34 | 236 | FreePool (ScsiDiskDevice->SenseData);\r |
6ad55b15 | 237 | gBS->CloseProtocol (\r |
f36d6e66 | 238 | Controller,\r |
239 | &gEfiScsiIoProtocolGuid,\r | |
240 | This->DriverBindingHandle,\r | |
241 | Controller\r | |
242 | );\r | |
9b38ff34 | 243 | FreePool (ScsiDiskDevice);\r |
6ad55b15 | 244 | return EFI_DEVICE_ERROR;\r |
245 | }\r | |
246 | }\r | |
247 | //\r | |
248 | // The second parameter "TRUE" means must\r | |
249 | // retrieve media capacity\r | |
250 | //\r | |
251 | Status = ScsiDiskDetectMedia (ScsiDiskDevice, TRUE, &Temp);\r | |
252 | if (!EFI_ERROR (Status)) {\r | |
d14faa52 | 253 | //\r |
254 | // Determine if Block IO should be produced on this controller handle\r | |
255 | //\r | |
256 | if (DetermineInstallBlockIo(Controller)) {\r | |
d716651f | 257 | InitializeInstallDiskInfo(ScsiDiskDevice, Controller);\r |
d14faa52 | 258 | Status = gBS->InstallMultipleProtocolInterfaces (\r |
259 | &Controller,\r | |
260 | &gEfiBlockIoProtocolGuid,\r | |
261 | &ScsiDiskDevice->BlkIo,\r | |
d716651f | 262 | &gEfiDiskInfoProtocolGuid,\r |
263 | &ScsiDiskDevice->DiskInfo,\r | |
d14faa52 | 264 | NULL\r |
265 | );\r | |
266 | if (!EFI_ERROR(Status)) {\r | |
267 | ScsiDiskDevice->ControllerNameTable = NULL;\r | |
268 | AddUnicodeString2 (\r | |
269 | "eng",\r | |
270 | gScsiDiskComponentName.SupportedLanguages,\r | |
271 | &ScsiDiskDevice->ControllerNameTable,\r | |
272 | L"SCSI Disk Device",\r | |
273 | TRUE\r | |
274 | );\r | |
275 | AddUnicodeString2 (\r | |
276 | "en",\r | |
277 | gScsiDiskComponentName2.SupportedLanguages,\r | |
278 | &ScsiDiskDevice->ControllerNameTable,\r | |
279 | L"SCSI Disk Device",\r | |
280 | FALSE\r | |
281 | );\r | |
282 | return EFI_SUCCESS;\r | |
283 | }\r | |
284 | } \r | |
6ad55b15 | 285 | }\r |
286 | \r | |
d14faa52 | 287 | gBS->FreePool (ScsiDiskDevice->SenseData);\r |
288 | gBS->FreePool (ScsiDiskDevice);\r | |
289 | gBS->CloseProtocol (\r | |
290 | Controller,\r | |
291 | &gEfiScsiIoProtocolGuid,\r | |
292 | This->DriverBindingHandle,\r | |
293 | Controller\r | |
294 | );\r | |
295 | return Status;\r | |
296 | \r | |
6ad55b15 | 297 | }\r |
298 | \r | |
9beb888e | 299 | \r |
300 | /**\r | |
301 | Stop this driver on ControllerHandle.\r | |
302 | \r | |
303 | This service is called by the EFI boot service DisconnectController().\r | |
304 | In order to make drivers as small as possible, there are a few calling\r | |
305 | restrictions for this service. DisconnectController() must follow these\r | |
306 | calling restrictions. If any other agent wishes to call Stop() it must\r | |
307 | also follow these calling restrictions.\r | |
308 | \r | |
309 | @param This Protocol instance pointer.\r | |
310 | @param ControllerHandle Handle of device to stop driver on\r | |
311 | @param NumberOfChildren Number of Handles in ChildHandleBuffer. If number of\r | |
312 | children is zero stop the entire bus driver.\r | |
313 | @param ChildHandleBuffer List of Child Handles to Stop.\r | |
314 | \r | |
315 | @retval EFI_SUCCESS This driver is removed ControllerHandle\r | |
316 | @retval other This driver was not removed from this device\r | |
317 | \r | |
318 | **/\r | |
6ad55b15 | 319 | EFI_STATUS\r |
320 | EFIAPI\r | |
321 | ScsiDiskDriverBindingStop (\r | |
322 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
323 | IN EFI_HANDLE Controller,\r | |
324 | IN UINTN NumberOfChildren,\r | |
9beb888e | 325 | IN EFI_HANDLE *ChildHandleBuffer OPTIONAL\r |
6ad55b15 | 326 | )\r |
6ad55b15 | 327 | {\r |
328 | EFI_BLOCK_IO_PROTOCOL *BlkIo;\r | |
329 | SCSI_DISK_DEV *ScsiDiskDevice;\r | |
330 | EFI_STATUS Status;\r | |
331 | \r | |
332 | Status = gBS->OpenProtocol (\r | |
333 | Controller,\r | |
334 | &gEfiBlockIoProtocolGuid,\r | |
335 | (VOID **) &BlkIo,\r | |
336 | This->DriverBindingHandle,\r | |
337 | Controller,\r | |
338 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
339 | );\r | |
340 | if (EFI_ERROR (Status)) {\r | |
341 | return Status;\r | |
342 | }\r | |
343 | \r | |
344 | ScsiDiskDevice = SCSI_DISK_DEV_FROM_THIS (BlkIo);\r | |
d716651f | 345 | Status = gBS->UninstallMultipleProtocolInterfaces (\r |
6ad55b15 | 346 | Controller,\r |
347 | &gEfiBlockIoProtocolGuid,\r | |
d716651f | 348 | &ScsiDiskDevice->BlkIo,\r |
349 | &gEfiDiskInfoProtocolGuid,\r | |
350 | &ScsiDiskDevice->DiskInfo,\r | |
351 | NULL\r | |
6ad55b15 | 352 | );\r |
353 | if (!EFI_ERROR (Status)) {\r | |
354 | gBS->CloseProtocol (\r | |
f36d6e66 | 355 | Controller,\r |
356 | &gEfiScsiIoProtocolGuid,\r | |
357 | This->DriverBindingHandle,\r | |
358 | Controller\r | |
359 | );\r | |
6ad55b15 | 360 | \r |
361 | ReleaseScsiDiskDeviceResources (ScsiDiskDevice);\r | |
362 | \r | |
363 | return EFI_SUCCESS;\r | |
364 | }\r | |
365 | //\r | |
366 | // errors met\r | |
367 | //\r | |
368 | return Status;\r | |
369 | }\r | |
370 | \r | |
9beb888e | 371 | /**\r |
372 | Reset SCSI Disk.\r | |
373 | \r | |
6ad55b15 | 374 | \r |
9beb888e | 375 | @param This The pointer of EFI_BLOCK_IO_PROTOCOL\r |
376 | @param ExtendedVerification The flag about if extend verificate\r | |
377 | \r | |
378 | @retval EFI_SUCCESS The device was reset.\r | |
379 | @retval EFI_DEVICE_ERROR The device is not functioning properly and could\r | |
380 | not be reset.\r | |
d716651f | 381 | @return EFI_STATUS is returned from EFI_SCSI_IO_PROTOCOL.ResetDevice().\r |
9beb888e | 382 | \r |
383 | **/\r | |
6ad55b15 | 384 | EFI_STATUS\r |
385 | EFIAPI\r | |
386 | ScsiDiskReset (\r | |
387 | IN EFI_BLOCK_IO_PROTOCOL *This,\r | |
388 | IN BOOLEAN ExtendedVerification\r | |
389 | )\r | |
6ad55b15 | 390 | {\r |
f36d6e66 | 391 | EFI_TPL OldTpl;\r |
6ad55b15 | 392 | SCSI_DISK_DEV *ScsiDiskDevice;\r |
393 | EFI_STATUS Status;\r | |
6ad55b15 | 394 | \r |
395 | OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r | |
396 | \r | |
397 | ScsiDiskDevice = SCSI_DISK_DEV_FROM_THIS (This);\r | |
398 | \r | |
399 | Status = ScsiDiskDevice->ScsiIo->ResetDevice (ScsiDiskDevice->ScsiIo);\r | |
400 | \r | |
401 | if (!ExtendedVerification) {\r | |
402 | goto Done;\r | |
403 | }\r | |
404 | \r | |
405 | Status = ScsiDiskDevice->ScsiIo->ResetBus (ScsiDiskDevice->ScsiIo);\r | |
406 | \r | |
407 | Done:\r | |
408 | gBS->RestoreTPL (OldTpl);\r | |
409 | return Status;\r | |
410 | }\r | |
411 | \r | |
9beb888e | 412 | /**\r |
413 | The function is to Read Block from SCSI Disk.\r | |
414 | \r | |
415 | @param This The pointer of EFI_BLOCK_IO_PROTOCOL.\r | |
416 | @param MediaId The Id of Media detected\r | |
417 | @param Lba The logic block address\r | |
418 | @param BufferSize The size of Buffer\r | |
419 | @param Buffer The buffer to fill the read out data\r | |
420 | \r | |
421 | @retval EFI_SUCCESS Successfully to read out block.\r | |
422 | @retval EFI_DEVICE_ERROR Fail to detect media.\r | |
423 | @retval EFI_NO_MEDIA Media is not present.\r | |
424 | @retval EFI_MEDIA_CHANGED Media has changed.\r | |
425 | @retval EFI_BAD_BUFFER_SIZE The Buffer was not a multiple of the block size of the device.\r | |
426 | @retval EFI_INVALID_PARAMETER Invalid parameter passed in.\r | |
427 | \r | |
428 | **/\r | |
6ad55b15 | 429 | EFI_STATUS\r |
430 | EFIAPI\r | |
431 | ScsiDiskReadBlocks (\r | |
432 | IN EFI_BLOCK_IO_PROTOCOL *This,\r | |
433 | IN UINT32 MediaId,\r | |
9beb888e | 434 | IN EFI_LBA Lba,\r |
6ad55b15 | 435 | IN UINTN BufferSize,\r |
436 | OUT VOID *Buffer\r | |
437 | )\r | |
6ad55b15 | 438 | {\r |
439 | SCSI_DISK_DEV *ScsiDiskDevice;\r | |
440 | EFI_BLOCK_IO_MEDIA *Media;\r | |
441 | EFI_STATUS Status;\r | |
442 | UINTN BlockSize;\r | |
443 | UINTN NumberOfBlocks;\r | |
444 | BOOLEAN MediaChange;\r | |
445 | EFI_TPL OldTpl;\r | |
446 | \r | |
447 | MediaChange = FALSE;\r | |
9beb888e | 448 | if (Buffer == NULL) {\r |
6ad55b15 | 449 | return EFI_INVALID_PARAMETER;\r |
450 | }\r | |
451 | \r | |
452 | if (BufferSize == 0) {\r | |
453 | return EFI_SUCCESS;\r | |
454 | }\r | |
455 | \r | |
456 | OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r | |
457 | \r | |
458 | ScsiDiskDevice = SCSI_DISK_DEV_FROM_THIS (This);\r | |
459 | \r | |
9beb888e | 460 | if (!IS_DEVICE_FIXED(ScsiDiskDevice)) {\r |
6ad55b15 | 461 | \r |
462 | Status = ScsiDiskDetectMedia (ScsiDiskDevice, FALSE, &MediaChange);\r | |
463 | if (EFI_ERROR (Status)) {\r | |
464 | Status = EFI_DEVICE_ERROR;\r | |
465 | goto Done;\r | |
466 | }\r | |
467 | \r | |
468 | if (MediaChange) {\r | |
469 | gBS->ReinstallProtocolInterface (\r | |
470 | ScsiDiskDevice->Handle,\r | |
471 | &gEfiBlockIoProtocolGuid,\r | |
472 | &ScsiDiskDevice->BlkIo,\r | |
473 | &ScsiDiskDevice->BlkIo\r | |
474 | );\r | |
475 | }\r | |
476 | }\r | |
477 | //\r | |
478 | // Get the intrinsic block size\r | |
479 | //\r | |
480 | Media = ScsiDiskDevice->BlkIo.Media;\r | |
481 | BlockSize = Media->BlockSize;\r | |
482 | \r | |
483 | NumberOfBlocks = BufferSize / BlockSize;\r | |
484 | \r | |
485 | if (!(Media->MediaPresent)) {\r | |
486 | Status = EFI_NO_MEDIA;\r | |
487 | goto Done;\r | |
488 | }\r | |
489 | \r | |
490 | if (MediaId != Media->MediaId) {\r | |
491 | Status = EFI_MEDIA_CHANGED;\r | |
492 | goto Done;\r | |
493 | }\r | |
494 | \r | |
495 | if (BufferSize % BlockSize != 0) {\r | |
496 | Status = EFI_BAD_BUFFER_SIZE;\r | |
497 | goto Done;\r | |
498 | }\r | |
499 | \r | |
9beb888e | 500 | if (Lba > Media->LastBlock) {\r |
6ad55b15 | 501 | Status = EFI_INVALID_PARAMETER;\r |
502 | goto Done;\r | |
503 | }\r | |
504 | \r | |
9beb888e | 505 | if ((Lba + NumberOfBlocks - 1) > Media->LastBlock) {\r |
6ad55b15 | 506 | Status = EFI_INVALID_PARAMETER;\r |
507 | goto Done;\r | |
508 | }\r | |
509 | \r | |
510 | if ((Media->IoAlign > 1) && (((UINTN) Buffer & (Media->IoAlign - 1)) != 0)) {\r | |
511 | Status = EFI_INVALID_PARAMETER;\r | |
512 | goto Done;\r | |
513 | }\r | |
f36d6e66 | 514 | \r |
6ad55b15 | 515 | //\r |
f36d6e66 | 516 | // If all the parameters are valid, then perform read sectors command\r |
6ad55b15 | 517 | // to transfer data from device to host.\r |
518 | //\r | |
9beb888e | 519 | Status = ScsiDiskReadSectors (ScsiDiskDevice, Buffer, Lba, NumberOfBlocks);\r |
6ad55b15 | 520 | \r |
521 | Done:\r | |
522 | gBS->RestoreTPL (OldTpl);\r | |
523 | return Status;\r | |
524 | }\r | |
525 | \r | |
9beb888e | 526 | /**\r |
527 | The function is to Write Block to SCSI Disk.\r | |
528 | \r | |
529 | @param This The pointer of EFI_BLOCK_IO_PROTOCOL\r | |
530 | @param MediaId The Id of Media detected\r | |
531 | @param Lba The logic block address\r | |
532 | @param BufferSize The size of Buffer\r | |
533 | @param Buffer The buffer to fill the read out data\r | |
534 | \r | |
535 | @retval EFI_SUCCESS Successfully to read out block.\r | |
536 | @retval EFI_WRITE_PROTECTED The device can not be written to.\r | |
537 | @retval EFI_DEVICE_ERROR Fail to detect media.\r | |
538 | @retval EFI_NO_MEDIA Media is not present.\r | |
539 | @retval EFI_MEDIA_CHNAGED Media has changed.\r | |
540 | @retval EFI_BAD_BUFFER_SIZE The Buffer was not a multiple of the block size of the device.\r | |
541 | @retval EFI_INVALID_PARAMETER Invalid parameter passed in.\r | |
542 | \r | |
543 | **/\r | |
6ad55b15 | 544 | EFI_STATUS\r |
545 | EFIAPI\r | |
546 | ScsiDiskWriteBlocks (\r | |
547 | IN EFI_BLOCK_IO_PROTOCOL *This,\r | |
548 | IN UINT32 MediaId,\r | |
9beb888e | 549 | IN EFI_LBA Lba,\r |
6ad55b15 | 550 | IN UINTN BufferSize,\r |
551 | IN VOID *Buffer\r | |
552 | )\r | |
6ad55b15 | 553 | {\r |
554 | SCSI_DISK_DEV *ScsiDiskDevice;\r | |
555 | EFI_BLOCK_IO_MEDIA *Media;\r | |
556 | EFI_STATUS Status;\r | |
557 | UINTN BlockSize;\r | |
558 | UINTN NumberOfBlocks;\r | |
559 | BOOLEAN MediaChange;\r | |
560 | EFI_TPL OldTpl;\r | |
561 | \r | |
562 | MediaChange = FALSE;\r | |
9beb888e | 563 | if (Buffer == NULL) {\r |
6ad55b15 | 564 | return EFI_INVALID_PARAMETER;\r |
565 | }\r | |
566 | \r | |
567 | if (BufferSize == 0) {\r | |
568 | return EFI_SUCCESS;\r | |
569 | }\r | |
570 | \r | |
571 | OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r | |
572 | \r | |
573 | ScsiDiskDevice = SCSI_DISK_DEV_FROM_THIS (This);\r | |
574 | \r | |
9beb888e | 575 | if (!IS_DEVICE_FIXED(ScsiDiskDevice)) {\r |
6ad55b15 | 576 | \r |
577 | Status = ScsiDiskDetectMedia (ScsiDiskDevice, FALSE, &MediaChange);\r | |
578 | if (EFI_ERROR (Status)) {\r | |
579 | Status = EFI_DEVICE_ERROR;\r | |
580 | goto Done;\r | |
581 | }\r | |
582 | \r | |
583 | if (MediaChange) {\r | |
584 | gBS->ReinstallProtocolInterface (\r | |
585 | ScsiDiskDevice->Handle,\r | |
586 | &gEfiBlockIoProtocolGuid,\r | |
587 | &ScsiDiskDevice->BlkIo,\r | |
588 | &ScsiDiskDevice->BlkIo\r | |
589 | );\r | |
590 | }\r | |
591 | }\r | |
592 | //\r | |
593 | // Get the intrinsic block size\r | |
594 | //\r | |
595 | Media = ScsiDiskDevice->BlkIo.Media;\r | |
596 | BlockSize = Media->BlockSize;\r | |
597 | \r | |
598 | NumberOfBlocks = BufferSize / BlockSize;\r | |
599 | \r | |
600 | if (!(Media->MediaPresent)) {\r | |
601 | Status = EFI_NO_MEDIA;\r | |
602 | goto Done;\r | |
603 | }\r | |
604 | \r | |
605 | if (MediaId != Media->MediaId) {\r | |
606 | Status = EFI_MEDIA_CHANGED;\r | |
607 | goto Done;\r | |
608 | }\r | |
609 | \r | |
610 | if (BufferSize % BlockSize != 0) {\r | |
611 | Status = EFI_BAD_BUFFER_SIZE;\r | |
612 | goto Done;\r | |
613 | }\r | |
614 | \r | |
9beb888e | 615 | if (Lba > Media->LastBlock) {\r |
6ad55b15 | 616 | Status = EFI_INVALID_PARAMETER;\r |
617 | goto Done;\r | |
618 | }\r | |
619 | \r | |
9beb888e | 620 | if ((Lba + NumberOfBlocks - 1) > Media->LastBlock) {\r |
6ad55b15 | 621 | Status = EFI_INVALID_PARAMETER;\r |
622 | goto Done;\r | |
623 | }\r | |
624 | \r | |
625 | if ((Media->IoAlign > 1) && (((UINTN) Buffer & (Media->IoAlign - 1)) != 0)) {\r | |
626 | Status = EFI_INVALID_PARAMETER;\r | |
627 | goto Done;\r | |
628 | }\r | |
629 | //\r | |
630 | // if all the parameters are valid, then perform read sectors command\r | |
631 | // to transfer data from device to host.\r | |
632 | //\r | |
9beb888e | 633 | Status = ScsiDiskWriteSectors (ScsiDiskDevice, Buffer, Lba, NumberOfBlocks);\r |
6ad55b15 | 634 | \r |
635 | Done:\r | |
636 | gBS->RestoreTPL (OldTpl);\r | |
6ad55b15 | 637 | return Status;\r |
638 | }\r | |
639 | \r | |
9beb888e | 640 | /**\r |
641 | Flush Block to Disk.\r | |
642 | \r | |
643 | EFI_SUCCESS is returned directly.\r | |
644 | \r | |
645 | @param This The pointer of EFI_BLOCK_IO_PROTOCOL\r | |
646 | \r | |
647 | @retval EFI_SUCCESS All outstanding data was written to the device\r | |
648 | \r | |
649 | **/\r | |
6ad55b15 | 650 | EFI_STATUS\r |
651 | EFIAPI\r | |
652 | ScsiDiskFlushBlocks (\r | |
653 | IN EFI_BLOCK_IO_PROTOCOL *This\r | |
654 | )\r | |
6ad55b15 | 655 | {\r |
656 | //\r | |
657 | // return directly\r | |
658 | //\r | |
659 | return EFI_SUCCESS;\r | |
660 | }\r | |
661 | \r | |
6ad55b15 | 662 | \r |
9beb888e | 663 | /**\r |
d716651f | 664 | Detect Device and read out capacity ,if error occurs, parse the sense key.\r |
6ad55b15 | 665 | \r |
9beb888e | 666 | @param ScsiDiskDevice The pointer of SCSI_DISK_DEV\r |
667 | @param MustReadCapacity The flag about reading device capacity\r | |
668 | @param MediaChange The pointer of flag indicates if media has changed \r | |
6ad55b15 | 669 | \r |
9beb888e | 670 | @retval EFI_DEVICE_ERROR Indicates that error occurs\r |
671 | @retval EFI_SUCCESS Successfully to detect media\r | |
6ad55b15 | 672 | \r |
9beb888e | 673 | **/\r |
674 | EFI_STATUS\r | |
675 | ScsiDiskDetectMedia (\r | |
676 | IN SCSI_DISK_DEV *ScsiDiskDevice,\r | |
677 | IN BOOLEAN MustReadCapacity,\r | |
678 | OUT BOOLEAN *MediaChange\r | |
679 | )\r | |
6ad55b15 | 680 | {\r |
681 | EFI_STATUS Status;\r | |
682 | EFI_STATUS ReadCapacityStatus;\r | |
683 | EFI_SCSI_SENSE_DATA *SenseData;\r | |
684 | UINTN NumberOfSenseKeys;\r | |
685 | BOOLEAN NeedRetry;\r | |
686 | BOOLEAN NeedReadCapacity;\r | |
687 | UINT8 Index;\r | |
688 | UINT8 MaxRetry;\r | |
689 | EFI_BLOCK_IO_MEDIA OldMedia;\r | |
690 | UINTN Action;\r | |
691 | \r | |
692 | Status = EFI_SUCCESS;\r | |
693 | ReadCapacityStatus = EFI_SUCCESS;\r | |
694 | SenseData = NULL;\r | |
695 | NumberOfSenseKeys = 0;\r | |
696 | NeedReadCapacity = FALSE;\r | |
697 | CopyMem (&OldMedia, ScsiDiskDevice->BlkIo.Media, sizeof (OldMedia));\r | |
6ad55b15 | 698 | *MediaChange = FALSE;\r |
6ad55b15 | 699 | MaxRetry = 3;\r |
f36d6e66 | 700 | \r |
6ad55b15 | 701 | for (Index = 0; Index < MaxRetry; Index++) {\r |
702 | Status = ScsiDiskTestUnitReady (\r | |
703 | ScsiDiskDevice,\r | |
704 | &NeedRetry,\r | |
705 | &SenseData,\r | |
706 | &NumberOfSenseKeys\r | |
707 | );\r | |
708 | if (!EFI_ERROR (Status)) {\r | |
709 | break;\r | |
710 | }\r | |
711 | \r | |
712 | if (!NeedRetry) {\r | |
713 | return Status;\r | |
714 | }\r | |
715 | }\r | |
716 | \r | |
717 | if ((Index == MaxRetry) && EFI_ERROR (Status)) {\r | |
718 | return EFI_DEVICE_ERROR;\r | |
719 | }\r | |
720 | \r | |
721 | Status = DetectMediaParsingSenseKeys (\r | |
722 | ScsiDiskDevice,\r | |
723 | SenseData,\r | |
724 | NumberOfSenseKeys,\r | |
725 | &Action\r | |
726 | );\r | |
727 | if (EFI_ERROR (Status)) {\r | |
728 | return Status;\r | |
729 | }\r | |
730 | //\r | |
731 | // ACTION_NO_ACTION: need not read capacity\r | |
732 | // other action code: need read capacity\r | |
733 | //\r | |
734 | if (Action == ACTION_NO_ACTION) {\r | |
735 | NeedReadCapacity = FALSE;\r | |
736 | } else {\r | |
737 | NeedReadCapacity = TRUE;\r | |
738 | }\r | |
f36d6e66 | 739 | \r |
6ad55b15 | 740 | //\r |
741 | // either NeedReadCapacity is TRUE, or MustReadCapacity is TRUE,\r | |
742 | // retrieve capacity via Read Capacity command\r | |
743 | //\r | |
744 | if (NeedReadCapacity || MustReadCapacity) {\r | |
6ad55b15 | 745 | //\r |
746 | // retrieve media information\r | |
747 | //\r | |
748 | MaxRetry = 3;\r | |
749 | for (Index = 0; Index < MaxRetry; Index++) {\r | |
750 | \r | |
751 | ReadCapacityStatus = ScsiDiskReadCapacity (\r | |
752 | ScsiDiskDevice,\r | |
753 | &NeedRetry,\r | |
754 | &SenseData,\r | |
755 | &NumberOfSenseKeys\r | |
756 | );\r | |
757 | if (EFI_ERROR (ReadCapacityStatus) && !NeedRetry) {\r | |
758 | return EFI_DEVICE_ERROR;\r | |
759 | }\r | |
760 | //\r | |
761 | // analyze sense key to action\r | |
762 | //\r | |
763 | Status = DetectMediaParsingSenseKeys (\r | |
764 | ScsiDiskDevice,\r | |
765 | SenseData,\r | |
766 | NumberOfSenseKeys,\r | |
767 | &Action\r | |
768 | );\r | |
769 | //\r | |
770 | // if Status is error, it may indicate crisis error,\r | |
771 | // so return without retry.\r | |
772 | //\r | |
773 | if (EFI_ERROR (Status)) {\r | |
774 | return Status;\r | |
775 | }\r | |
776 | \r | |
777 | switch (Action) {\r | |
778 | case ACTION_NO_ACTION:\r | |
779 | //\r | |
780 | // no retry\r | |
781 | //\r | |
782 | Index = MaxRetry;\r | |
783 | break;\r | |
784 | \r | |
785 | case ACTION_RETRY_COMMAND_LATER:\r | |
786 | //\r | |
787 | // retry the ReadCapacity later and continuously, until the condition\r | |
788 | // no longer emerges.\r | |
789 | // stall time is 100000us, or say 0.1 second.\r | |
790 | //\r | |
791 | gBS->Stall (100000);\r | |
792 | Index = 0;\r | |
793 | break;\r | |
794 | \r | |
795 | default:\r | |
796 | //\r | |
797 | // other cases, just retry the command\r | |
798 | //\r | |
799 | break;\r | |
800 | }\r | |
801 | }\r | |
802 | \r | |
803 | if ((Index == MaxRetry) && EFI_ERROR (ReadCapacityStatus)) {\r | |
804 | return EFI_DEVICE_ERROR;\r | |
805 | }\r | |
806 | }\r | |
807 | \r | |
808 | if (ScsiDiskDevice->BlkIo.Media->MediaId != OldMedia.MediaId) {\r | |
809 | //\r | |
810 | // Media change information got from the device\r | |
811 | //\r | |
812 | *MediaChange = TRUE;\r | |
813 | }\r | |
814 | \r | |
815 | if (ScsiDiskDevice->BlkIo.Media->ReadOnly != OldMedia.ReadOnly) {\r | |
816 | *MediaChange = TRUE;\r | |
817 | ScsiDiskDevice->BlkIo.Media->MediaId += 1;\r | |
818 | }\r | |
819 | \r | |
820 | if (ScsiDiskDevice->BlkIo.Media->BlockSize != OldMedia.BlockSize) {\r | |
821 | *MediaChange = TRUE;\r | |
822 | ScsiDiskDevice->BlkIo.Media->MediaId += 1;\r | |
823 | }\r | |
824 | \r | |
825 | if (ScsiDiskDevice->BlkIo.Media->LastBlock != OldMedia.LastBlock) {\r | |
826 | *MediaChange = TRUE;\r | |
827 | ScsiDiskDevice->BlkIo.Media->MediaId += 1;\r | |
828 | }\r | |
829 | \r | |
830 | if (ScsiDiskDevice->BlkIo.Media->MediaPresent != OldMedia.MediaPresent) {\r | |
831 | if (ScsiDiskDevice->BlkIo.Media->MediaPresent) {\r | |
832 | //\r | |
833 | // when change from no media to media present, reset the MediaId to 1.\r | |
834 | //\r | |
835 | ScsiDiskDevice->BlkIo.Media->MediaId = 1;\r | |
836 | } else {\r | |
837 | //\r | |
838 | // when no media, reset the MediaId to zero.\r | |
839 | //\r | |
840 | ScsiDiskDevice->BlkIo.Media->MediaId = 0;\r | |
841 | }\r | |
842 | \r | |
843 | *MediaChange = TRUE;\r | |
844 | }\r | |
845 | \r | |
846 | return EFI_SUCCESS;\r | |
847 | }\r | |
848 | \r | |
6ad55b15 | 849 | \r |
9beb888e | 850 | /**\r |
851 | Send out Inquiry command to Device.\r | |
6ad55b15 | 852 | \r |
9beb888e | 853 | @param ScsiDiskDevice The pointer of SCSI_DISK_DEV\r |
854 | @param NeedRetry Indicates if needs try again when error happens\r | |
6ad55b15 | 855 | \r |
9beb888e | 856 | @retval EFI_DEVICE_ERROR Indicates that error occurs\r |
857 | @retval EFI_SUCCESS Successfully to detect media\r | |
6ad55b15 | 858 | \r |
9beb888e | 859 | **/\r |
860 | EFI_STATUS\r | |
861 | ScsiDiskInquiryDevice (\r | |
862 | IN OUT SCSI_DISK_DEV *ScsiDiskDevice,\r | |
863 | OUT BOOLEAN *NeedRetry\r | |
864 | )\r | |
6ad55b15 | 865 | {\r |
866 | UINT32 InquiryDataLength;\r | |
867 | UINT8 SenseDataLength;\r | |
868 | UINT8 HostAdapterStatus;\r | |
869 | UINT8 TargetStatus;\r | |
870 | EFI_SCSI_SENSE_DATA *SenseDataArray;\r | |
871 | UINTN NumberOfSenseKeys;\r | |
872 | EFI_STATUS Status;\r | |
873 | UINT8 MaxRetry;\r | |
874 | UINT8 Index;\r | |
875 | \r | |
876 | InquiryDataLength = sizeof (EFI_SCSI_INQUIRY_DATA);\r | |
877 | SenseDataLength = 0;\r | |
878 | \r | |
d35be2a4 | 879 | Status = ScsiInquiryCommand (\r |
6ad55b15 | 880 | ScsiDiskDevice->ScsiIo,\r |
e72a3b3e | 881 | EFI_TIMER_PERIOD_SECONDS (1),\r |
6ad55b15 | 882 | NULL,\r |
883 | &SenseDataLength,\r | |
884 | &HostAdapterStatus,\r | |
885 | &TargetStatus,\r | |
886 | (VOID *) &(ScsiDiskDevice->InquiryData),\r | |
887 | &InquiryDataLength,\r | |
888 | FALSE\r | |
889 | );\r | |
6ad55b15 | 890 | //\r |
891 | // no need to check HostAdapterStatus and TargetStatus\r | |
892 | //\r | |
f36d6e66 | 893 | if ((Status == EFI_SUCCESS) || (Status == EFI_WARN_BUFFER_TOO_SMALL)) {\r |
894 | ParseInquiryData (ScsiDiskDevice);\r | |
895 | return EFI_SUCCESS;\r | |
896 | \r | |
897 | } else if (Status == EFI_NOT_READY) {\r | |
898 | *NeedRetry = TRUE;\r | |
899 | return EFI_DEVICE_ERROR;\r | |
900 | \r | |
901 | } else if ((Status == EFI_INVALID_PARAMETER) || (Status == EFI_UNSUPPORTED)) {\r | |
902 | *NeedRetry = FALSE;\r | |
903 | return EFI_DEVICE_ERROR;\r | |
904 | }\r | |
905 | //\r | |
906 | // go ahead to check HostAdapterStatus and TargetStatus\r | |
907 | // (EFI_TIMEOUT, EFI_DEVICE_ERROR)\r | |
908 | //\r | |
909 | \r | |
910 | Status = CheckHostAdapterStatus (HostAdapterStatus);\r | |
911 | if ((Status == EFI_TIMEOUT) || (Status == EFI_NOT_READY)) {\r | |
912 | *NeedRetry = TRUE;\r | |
913 | return EFI_DEVICE_ERROR;\r | |
914 | } else if (Status == EFI_DEVICE_ERROR) {\r | |
915 | //\r | |
916 | // reset the scsi channel\r | |
917 | //\r | |
6ad55b15 | 918 | ScsiDiskDevice->ScsiIo->ResetBus (ScsiDiskDevice->ScsiIo);\r |
919 | *NeedRetry = FALSE;\r | |
920 | return EFI_DEVICE_ERROR;\r | |
921 | }\r | |
922 | \r | |
923 | Status = CheckTargetStatus (TargetStatus);\r | |
924 | if (Status == EFI_NOT_READY) {\r | |
925 | //\r | |
926 | // reset the scsi device\r | |
927 | //\r | |
928 | ScsiDiskDevice->ScsiIo->ResetDevice (ScsiDiskDevice->ScsiIo);\r | |
929 | *NeedRetry = TRUE;\r | |
930 | return EFI_DEVICE_ERROR;\r | |
f36d6e66 | 931 | \r |
6ad55b15 | 932 | } else if (Status == EFI_DEVICE_ERROR) {\r |
933 | *NeedRetry = FALSE;\r | |
934 | return EFI_DEVICE_ERROR;\r | |
935 | }\r | |
936 | \r | |
937 | //\r | |
b96cd313 | 938 | // if goes here, meant ScsiInquiryCommand() failed.\r |
6ad55b15 | 939 | // if ScsiDiskRequestSenseKeys() succeeds at last,\r |
b96cd313 | 940 | // better retry ScsiInquiryCommand(). (by setting *NeedRetry = TRUE)\r |
6ad55b15 | 941 | //\r |
942 | MaxRetry = 3;\r | |
943 | for (Index = 0; Index < MaxRetry; Index++) {\r | |
6ad55b15 | 944 | Status = ScsiDiskRequestSenseKeys (\r |
945 | ScsiDiskDevice,\r | |
946 | NeedRetry,\r | |
947 | &SenseDataArray,\r | |
948 | &NumberOfSenseKeys,\r | |
949 | TRUE\r | |
950 | );\r | |
951 | if (!EFI_ERROR (Status)) {\r | |
952 | *NeedRetry = TRUE;\r | |
953 | return EFI_DEVICE_ERROR;\r | |
954 | }\r | |
955 | \r | |
956 | if (!*NeedRetry) {\r | |
957 | return EFI_DEVICE_ERROR;\r | |
958 | }\r | |
959 | }\r | |
960 | //\r | |
961 | // ScsiDiskRequestSenseKeys() failed after several rounds of retry.\r | |
962 | // set *NeedRetry = FALSE to avoid the outside caller try again.\r | |
963 | //\r | |
964 | *NeedRetry = FALSE;\r | |
965 | return EFI_DEVICE_ERROR;\r | |
966 | }\r | |
967 | \r | |
9beb888e | 968 | /**\r |
d716651f | 969 | To test device.\r |
f36d6e66 | 970 | \r |
971 | When Test Unit Ready command succeeds, retrieve Sense Keys via Request Sense;\r | |
6ad55b15 | 972 | When Test Unit Ready command encounters any error caused by host adapter or\r |
973 | target, return error without retrieving Sense Keys.\r | |
f36d6e66 | 974 | \r |
9beb888e | 975 | @param ScsiDiskDevice The pointer of SCSI_DISK_DEV\r |
976 | @param NeedRetry The pointer of flag indicates try again\r | |
977 | @param SenseDataArray The pointer of an array of sense data\r | |
978 | @param NumberOfSenseKeys The pointer of the number of sense data array\r | |
f36d6e66 | 979 | \r |
9beb888e | 980 | @retval EFI_DEVICE_ERROR Indicates that error occurs\r |
981 | @retval EFI_SUCCESS Successfully to test unit\r | |
f36d6e66 | 982 | \r |
9beb888e | 983 | **/\r |
984 | EFI_STATUS\r | |
985 | ScsiDiskTestUnitReady (\r | |
986 | IN SCSI_DISK_DEV *ScsiDiskDevice,\r | |
987 | OUT BOOLEAN *NeedRetry,\r | |
988 | OUT EFI_SCSI_SENSE_DATA **SenseDataArray,\r | |
989 | OUT UINTN *NumberOfSenseKeys\r | |
990 | )\r | |
6ad55b15 | 991 | {\r |
992 | EFI_STATUS Status;\r | |
993 | UINT8 SenseDataLength;\r | |
994 | UINT8 HostAdapterStatus;\r | |
995 | UINT8 TargetStatus;\r | |
996 | UINT8 Index;\r | |
997 | UINT8 MaxRetry;\r | |
998 | \r | |
999 | SenseDataLength = 0;\r | |
1000 | *NumberOfSenseKeys = 0;\r | |
1001 | \r | |
1002 | //\r | |
1003 | // Parameter 3 and 4: do not require sense data, retrieve it when needed.\r | |
1004 | //\r | |
d35be2a4 | 1005 | Status = ScsiTestUnitReadyCommand (\r |
6ad55b15 | 1006 | ScsiDiskDevice->ScsiIo,\r |
e72a3b3e | 1007 | EFI_TIMER_PERIOD_SECONDS (1),\r |
6ad55b15 | 1008 | NULL,\r |
1009 | &SenseDataLength,\r | |
1010 | &HostAdapterStatus,\r | |
1011 | &TargetStatus\r | |
1012 | );\r | |
f36d6e66 | 1013 | //\r |
1014 | // no need to check HostAdapterStatus and TargetStatus\r | |
1015 | //\r | |
6ad55b15 | 1016 | if (Status == EFI_NOT_READY) {\r |
6ad55b15 | 1017 | *NeedRetry = TRUE;\r |
1018 | return EFI_DEVICE_ERROR;\r | |
f36d6e66 | 1019 | \r |
6ad55b15 | 1020 | } else if ((Status == EFI_INVALID_PARAMETER) || (Status == EFI_UNSUPPORTED)) {\r |
6ad55b15 | 1021 | *NeedRetry = FALSE;\r |
1022 | return EFI_DEVICE_ERROR;\r | |
1023 | }\r | |
1024 | //\r | |
f36d6e66 | 1025 | // go ahead to check HostAdapterStatus and TargetStatus(in case of EFI_DEVICE_ERROR)\r |
6ad55b15 | 1026 | //\r |
f36d6e66 | 1027 | \r |
6ad55b15 | 1028 | Status = CheckHostAdapterStatus (HostAdapterStatus);\r |
1029 | if ((Status == EFI_TIMEOUT) || (Status == EFI_NOT_READY)) {\r | |
1030 | *NeedRetry = TRUE;\r | |
1031 | return EFI_DEVICE_ERROR;\r | |
f36d6e66 | 1032 | \r |
6ad55b15 | 1033 | } else if (Status == EFI_DEVICE_ERROR) {\r |
1034 | //\r | |
1035 | // reset the scsi channel\r | |
1036 | //\r | |
1037 | ScsiDiskDevice->ScsiIo->ResetBus (ScsiDiskDevice->ScsiIo);\r | |
1038 | *NeedRetry = FALSE;\r | |
1039 | return EFI_DEVICE_ERROR;\r | |
1040 | }\r | |
1041 | \r | |
1042 | Status = CheckTargetStatus (TargetStatus);\r | |
1043 | if (Status == EFI_NOT_READY) {\r | |
1044 | //\r | |
1045 | // reset the scsi device\r | |
1046 | //\r | |
1047 | ScsiDiskDevice->ScsiIo->ResetDevice (ScsiDiskDevice->ScsiIo);\r | |
1048 | *NeedRetry = TRUE;\r | |
1049 | return EFI_DEVICE_ERROR;\r | |
f36d6e66 | 1050 | \r |
6ad55b15 | 1051 | } else if (Status == EFI_DEVICE_ERROR) {\r |
1052 | *NeedRetry = FALSE;\r | |
1053 | return EFI_DEVICE_ERROR;\r | |
1054 | }\r | |
1055 | \r | |
1056 | MaxRetry = 3;\r | |
1057 | for (Index = 0; Index < MaxRetry; Index++) {\r | |
6ad55b15 | 1058 | Status = ScsiDiskRequestSenseKeys (\r |
1059 | ScsiDiskDevice,\r | |
1060 | NeedRetry,\r | |
1061 | SenseDataArray,\r | |
1062 | NumberOfSenseKeys,\r | |
1063 | FALSE\r | |
1064 | );\r | |
1065 | if (!EFI_ERROR (Status)) {\r | |
1066 | return EFI_SUCCESS;\r | |
1067 | }\r | |
1068 | \r | |
1069 | if (!*NeedRetry) {\r | |
1070 | return EFI_DEVICE_ERROR;\r | |
1071 | }\r | |
1072 | }\r | |
1073 | //\r | |
1074 | // ScsiDiskRequestSenseKeys() failed after several rounds of retry.\r | |
1075 | // set *NeedRetry = FALSE to avoid the outside caller try again.\r | |
1076 | //\r | |
1077 | *NeedRetry = FALSE;\r | |
1078 | return EFI_DEVICE_ERROR;\r | |
1079 | }\r | |
1080 | \r | |
9beb888e | 1081 | /**\r |
f36d6e66 | 1082 | Parsing Sense Keys which got from request sense command.\r |
6ad55b15 | 1083 | \r |
9beb888e | 1084 | @param ScsiDiskDevice The pointer of SCSI_DISK_DEV\r |
1085 | @param SenseData The pointer of EFI_SCSI_SENSE_DATA\r | |
1086 | @param NumberOfSenseKeys The number of sense key \r | |
1087 | @param Action The pointer of action which indicates what is need to do next\r | |
6ad55b15 | 1088 | \r |
9beb888e | 1089 | @retval EFI_DEVICE_ERROR Indicates that error occurs\r |
1090 | @retval EFI_SUCCESS Successfully to complete the parsing\r | |
6ad55b15 | 1091 | \r |
9beb888e | 1092 | **/\r |
1093 | EFI_STATUS\r | |
1094 | DetectMediaParsingSenseKeys (\r | |
1095 | OUT SCSI_DISK_DEV *ScsiDiskDevice,\r | |
1096 | IN EFI_SCSI_SENSE_DATA *SenseData,\r | |
1097 | IN UINTN NumberOfSenseKeys,\r | |
1098 | OUT UINTN *Action\r | |
1099 | )\r | |
6ad55b15 | 1100 | {\r |
1101 | BOOLEAN RetryLater;\r | |
1102 | \r | |
1103 | //\r | |
1104 | // Default is to read capacity, unless..\r | |
1105 | //\r | |
1106 | *Action = ACTION_READ_CAPACITY;\r | |
1107 | \r | |
1108 | if (NumberOfSenseKeys == 0) {\r | |
1109 | *Action = ACTION_NO_ACTION;\r | |
1110 | return EFI_SUCCESS;\r | |
1111 | }\r | |
1112 | \r | |
1113 | if (!ScsiDiskHaveSenseKey (SenseData, NumberOfSenseKeys)) {\r | |
1114 | //\r | |
1115 | // No Sense Key returned from last submitted command\r | |
1116 | //\r | |
1117 | *Action = ACTION_NO_ACTION;\r | |
1118 | return EFI_SUCCESS;\r | |
1119 | }\r | |
1120 | \r | |
1121 | if (ScsiDiskIsNoMedia (SenseData, NumberOfSenseKeys)) {\r | |
1122 | ScsiDiskDevice->BlkIo.Media->MediaPresent = FALSE;\r | |
1123 | ScsiDiskDevice->BlkIo.Media->LastBlock = 0;\r | |
1124 | *Action = ACTION_NO_ACTION;\r | |
1125 | return EFI_SUCCESS;\r | |
1126 | }\r | |
1127 | \r | |
1128 | if (ScsiDiskIsMediaChange (SenseData, NumberOfSenseKeys)) {\r | |
1129 | ScsiDiskDevice->BlkIo.Media->MediaId++;\r | |
1130 | return EFI_SUCCESS;\r | |
1131 | }\r | |
1132 | \r | |
1133 | if (ScsiDiskIsMediaError (SenseData, NumberOfSenseKeys)) {\r | |
1134 | ScsiDiskDevice->BlkIo.Media->MediaPresent = FALSE;\r | |
1135 | ScsiDiskDevice->BlkIo.Media->LastBlock = 0;\r | |
1136 | return EFI_DEVICE_ERROR;\r | |
1137 | }\r | |
1138 | \r | |
1139 | if (ScsiDiskIsHardwareError (SenseData, NumberOfSenseKeys)) {\r | |
1140 | return EFI_DEVICE_ERROR;\r | |
1141 | }\r | |
1142 | \r | |
1143 | if (!ScsiDiskIsDriveReady (SenseData, NumberOfSenseKeys, &RetryLater)) {\r | |
1144 | if (RetryLater) {\r | |
1145 | *Action = ACTION_RETRY_COMMAND_LATER;\r | |
1146 | return EFI_SUCCESS;\r | |
1147 | }\r | |
1148 | \r | |
1149 | return EFI_DEVICE_ERROR;\r | |
1150 | }\r | |
1151 | \r | |
1152 | return EFI_SUCCESS;\r | |
1153 | }\r | |
1154 | \r | |
6ad55b15 | 1155 | \r |
9beb888e | 1156 | /**\r |
1157 | Send read capacity command to device and get the device parameter.\r | |
6ad55b15 | 1158 | \r |
9beb888e | 1159 | @param ScsiDiskDevice The pointer of SCSI_DISK_DEV\r |
1160 | @param NeedRetry The pointer of flag indicates if need a retry\r | |
1161 | @param SenseDataArray The pointer of an array of sense data\r | |
1162 | @param NumberOfSenseKeys The number of sense key\r | |
6ad55b15 | 1163 | \r |
9beb888e | 1164 | @retval EFI_DEVICE_ERROR Indicates that error occurs\r |
1165 | @retval EFI_SUCCESS Successfully to read capacity\r | |
6ad55b15 | 1166 | \r |
9beb888e | 1167 | **/\r |
1168 | EFI_STATUS\r | |
1169 | ScsiDiskReadCapacity (\r | |
1170 | IN OUT SCSI_DISK_DEV *ScsiDiskDevice,\r | |
1171 | OUT BOOLEAN *NeedRetry,\r | |
1172 | OUT EFI_SCSI_SENSE_DATA **SenseDataArray,\r | |
1173 | OUT UINTN *NumberOfSenseKeys\r | |
1174 | )\r | |
6ad55b15 | 1175 | {\r |
b96cd313 | 1176 | UINT8 HostAdapterStatus;\r |
1177 | UINT8 TargetStatus;\r | |
1178 | EFI_STATUS CommandStatus;\r | |
1179 | EFI_STATUS Status;\r | |
1180 | UINT8 Index;\r | |
1181 | UINT8 MaxRetry;\r | |
1182 | UINT8 SenseDataLength;\r | |
1183 | UINT8 ScsiVersion;\r | |
1184 | UINT32 DataLength10;\r | |
1185 | UINT32 DataLength16;\r | |
1186 | EFI_SCSI_DISK_CAPACITY_DATA CapacityData10;\r | |
1187 | EFI_SCSI_DISK_CAPACITY_DATA16 CapacityData16;\r | |
1188 | \r | |
1189 | \r | |
1190 | SenseDataLength = 0;\r | |
1191 | DataLength10 = sizeof (EFI_SCSI_DISK_CAPACITY_DATA);\r | |
1192 | DataLength16 = sizeof (EFI_SCSI_DISK_CAPACITY_DATA16);\r | |
1193 | ZeroMem (&CapacityData10, sizeof (EFI_SCSI_DISK_CAPACITY_DATA));\r | |
1194 | ZeroMem (&CapacityData16, sizeof (EFI_SCSI_DISK_CAPACITY_DATA16));\r | |
6ad55b15 | 1195 | \r |
1196 | *NumberOfSenseKeys = 0;\r | |
1197 | *NeedRetry = FALSE;\r | |
b96cd313 | 1198 | ScsiVersion = (UINT8)(ScsiDiskDevice->InquiryData.Version & 0x03);\r |
1199 | \r | |
1200 | if (ScsiVersion < SCSI_COMMAND_VERSION_3) {\r | |
1201 | //\r | |
1202 | // submit Read Capacity(10) Command. in this call,not request sense data\r | |
1203 | //\r | |
1204 | CommandStatus = ScsiReadCapacityCommand (\r | |
1205 | ScsiDiskDevice->ScsiIo,\r | |
1206 | EFI_TIMER_PERIOD_SECONDS(1),\r | |
1207 | NULL,\r | |
1208 | &SenseDataLength,\r | |
1209 | &HostAdapterStatus,\r | |
1210 | &TargetStatus,\r | |
1211 | (VOID *) &CapacityData10,\r | |
1212 | &DataLength10,\r | |
1213 | FALSE\r | |
1214 | );\r | |
1215 | } else {\r | |
1216 | //\r | |
1217 | // submit Read Capacity(16) Command to get parameter LogicalBlocksPerPhysicalBlock\r | |
1218 | // and LowestAlignedLba\r | |
1219 | //\r | |
1220 | CommandStatus = ScsiReadCapacity16Command (\r | |
1221 | ScsiDiskDevice->ScsiIo,\r | |
1222 | EFI_TIMER_PERIOD_SECONDS (1),\r | |
1223 | NULL,\r | |
1224 | &SenseDataLength,\r | |
1225 | &HostAdapterStatus,\r | |
1226 | &TargetStatus,\r | |
1227 | (VOID *) &CapacityData16,\r | |
1228 | &DataLength16,\r | |
1229 | FALSE\r | |
1230 | );\r | |
1231 | }\r | |
1232 | //\r | |
6ad55b15 | 1233 | // no need to check HostAdapterStatus and TargetStatus\r |
1234 | //\r | |
f36d6e66 | 1235 | if (CommandStatus == EFI_SUCCESS) {\r |
b96cd313 | 1236 | GetMediaInfo (ScsiDiskDevice, &CapacityData10,&CapacityData16);\r |
f36d6e66 | 1237 | return EFI_SUCCESS;\r |
1238 | \r | |
1239 | } else if (CommandStatus == EFI_NOT_READY) {\r | |
1240 | *NeedRetry = TRUE;\r | |
1241 | return EFI_DEVICE_ERROR;\r | |
1242 | \r | |
1243 | } else if ((CommandStatus == EFI_INVALID_PARAMETER) || (CommandStatus == EFI_UNSUPPORTED)) {\r | |
1244 | *NeedRetry = FALSE;\r | |
1245 | return EFI_DEVICE_ERROR;\r | |
1246 | }\r | |
1247 | //\r | |
1248 | // go ahead to check HostAdapterStatus and TargetStatus\r | |
1249 | // (EFI_TIMEOUT, EFI_DEVICE_ERROR, EFI_WARN_BUFFER_TOO_SMALL)\r | |
1250 | //\r | |
1251 | \r | |
1252 | Status = CheckHostAdapterStatus (HostAdapterStatus);\r | |
1253 | if ((Status == EFI_TIMEOUT) || (Status == EFI_NOT_READY)) {\r | |
1254 | *NeedRetry = TRUE;\r | |
1255 | return EFI_DEVICE_ERROR;\r | |
1256 | \r | |
1257 | } else if (Status == EFI_DEVICE_ERROR) {\r | |
6ad55b15 | 1258 | //\r |
1259 | // reset the scsi channel\r | |
1260 | //\r | |
1261 | ScsiDiskDevice->ScsiIo->ResetBus (ScsiDiskDevice->ScsiIo);\r | |
1262 | *NeedRetry = FALSE;\r | |
1263 | return EFI_DEVICE_ERROR;\r | |
1264 | }\r | |
1265 | \r | |
1266 | Status = CheckTargetStatus (TargetStatus);\r | |
1267 | if (Status == EFI_NOT_READY) {\r | |
1268 | //\r | |
1269 | // reset the scsi device\r | |
1270 | //\r | |
1271 | ScsiDiskDevice->ScsiIo->ResetDevice (ScsiDiskDevice->ScsiIo);\r | |
1272 | *NeedRetry = TRUE;\r | |
1273 | return EFI_DEVICE_ERROR;\r | |
f36d6e66 | 1274 | \r |
6ad55b15 | 1275 | } else if (Status == EFI_DEVICE_ERROR) {\r |
1276 | *NeedRetry = FALSE;\r | |
1277 | return EFI_DEVICE_ERROR;\r | |
1278 | }\r | |
1279 | \r | |
1280 | //\r | |
b96cd313 | 1281 | // if goes here, meant ScsiReadCapacityCommand() failed.\r |
6ad55b15 | 1282 | // if ScsiDiskRequestSenseKeys() succeeds at last,\r |
b96cd313 | 1283 | // better retry ScsiReadCapacityCommand(). (by setting *NeedRetry = TRUE)\r |
6ad55b15 | 1284 | //\r |
1285 | MaxRetry = 3;\r | |
1286 | for (Index = 0; Index < MaxRetry; Index++) {\r | |
1287 | \r | |
1288 | Status = ScsiDiskRequestSenseKeys (\r | |
1289 | ScsiDiskDevice,\r | |
1290 | NeedRetry,\r | |
1291 | SenseDataArray,\r | |
1292 | NumberOfSenseKeys,\r | |
1293 | TRUE\r | |
1294 | );\r | |
1295 | if (!EFI_ERROR (Status)) {\r | |
1296 | *NeedRetry = TRUE;\r | |
1297 | return EFI_DEVICE_ERROR;\r | |
1298 | }\r | |
1299 | \r | |
1300 | if (!*NeedRetry) {\r | |
1301 | return EFI_DEVICE_ERROR;\r | |
1302 | }\r | |
1303 | }\r | |
1304 | //\r | |
1305 | // ScsiDiskRequestSenseKeys() failed after several rounds of retry.\r | |
1306 | // set *NeedRetry = FALSE to avoid the outside caller try again.\r | |
1307 | //\r | |
1308 | *NeedRetry = FALSE;\r | |
1309 | return EFI_DEVICE_ERROR;\r | |
1310 | }\r | |
1311 | \r | |
9beb888e | 1312 | /**\r |
1313 | Check the HostAdapter status and re-interpret it in EFI_STATUS.\r | |
6ad55b15 | 1314 | \r |
9beb888e | 1315 | @param HostAdapterStatus Host Adapter status\r |
6ad55b15 | 1316 | \r |
9beb888e | 1317 | @retval EFI_SUCCESS Host adapter is OK.\r |
1318 | @retval EFI_TIMEOUT Timeout.\r | |
1319 | @retval EFI_NOT_READY Adapter NOT ready.\r | |
1320 | @retval EFI_DEVICE_ERROR Adapter device error.\r | |
6ad55b15 | 1321 | \r |
9beb888e | 1322 | **/\r |
1323 | EFI_STATUS\r | |
1324 | CheckHostAdapterStatus (\r | |
1325 | IN UINT8 HostAdapterStatus\r | |
1326 | )\r | |
6ad55b15 | 1327 | {\r |
1328 | switch (HostAdapterStatus) {\r | |
f36d6e66 | 1329 | case EFI_EXT_SCSI_STATUS_HOST_ADAPTER_OK:\r |
6ad55b15 | 1330 | return EFI_SUCCESS;\r |
1331 | \r | |
f36d6e66 | 1332 | case EFI_EXT_SCSI_STATUS_HOST_ADAPTER_SELECTION_TIMEOUT:\r |
1333 | case EFI_EXT_SCSI_STATUS_HOST_ADAPTER_TIMEOUT:\r | |
1334 | case EFI_EXT_SCSI_STATUS_HOST_ADAPTER_TIMEOUT_COMMAND:\r | |
6ad55b15 | 1335 | return EFI_TIMEOUT;\r |
1336 | \r | |
f36d6e66 | 1337 | case EFI_EXT_SCSI_STATUS_HOST_ADAPTER_MESSAGE_REJECT:\r |
1338 | case EFI_EXT_SCSI_STATUS_HOST_ADAPTER_PARITY_ERROR:\r | |
1339 | case EFI_EXT_SCSI_STATUS_HOST_ADAPTER_REQUEST_SENSE_FAILED:\r | |
1340 | case EFI_EXT_SCSI_STATUS_HOST_ADAPTER_DATA_OVERRUN_UNDERRUN:\r | |
1341 | case EFI_EXT_SCSI_STATUS_HOST_ADAPTER_BUS_RESET:\r | |
6ad55b15 | 1342 | return EFI_NOT_READY;\r |
1343 | \r | |
f36d6e66 | 1344 | case EFI_EXT_SCSI_STATUS_HOST_ADAPTER_BUS_FREE:\r |
1345 | case EFI_EXT_SCSI_STATUS_HOST_ADAPTER_PHASE_ERROR:\r | |
6ad55b15 | 1346 | return EFI_DEVICE_ERROR;\r |
1347 | \r | |
1348 | default:\r | |
1349 | return EFI_SUCCESS;\r | |
1350 | }\r | |
1351 | }\r | |
1352 | \r | |
6ad55b15 | 1353 | \r |
9beb888e | 1354 | /**\r |
1355 | Check the target status and re-interpret it in EFI_STATUS.\r | |
6ad55b15 | 1356 | \r |
9beb888e | 1357 | @param TargetStatus Target status\r |
6ad55b15 | 1358 | \r |
9beb888e | 1359 | @retval EFI_NOT_READY Device is NOT ready.\r |
1360 | @retval EFI_DEVICE_ERROR \r | |
1361 | @retval EFI_SUCCESS\r | |
6ad55b15 | 1362 | \r |
9beb888e | 1363 | **/\r |
1364 | EFI_STATUS\r | |
1365 | CheckTargetStatus (\r | |
1366 | IN UINT8 TargetStatus\r | |
1367 | )\r | |
6ad55b15 | 1368 | {\r |
1369 | switch (TargetStatus) {\r | |
f36d6e66 | 1370 | case EFI_EXT_SCSI_STATUS_TARGET_GOOD:\r |
1371 | case EFI_EXT_SCSI_STATUS_TARGET_CHECK_CONDITION:\r | |
1372 | case EFI_EXT_SCSI_STATUS_TARGET_CONDITION_MET:\r | |
6ad55b15 | 1373 | return EFI_SUCCESS;\r |
1374 | \r | |
f36d6e66 | 1375 | case EFI_EXT_SCSI_STATUS_TARGET_INTERMEDIATE:\r |
1376 | case EFI_EXT_SCSI_STATUS_TARGET_INTERMEDIATE_CONDITION_MET:\r | |
1377 | case EFI_EXT_SCSI_STATUS_TARGET_BUSY:\r | |
1378 | case EFI_EXT_SCSI_STATUS_TARGET_TASK_SET_FULL:\r | |
6ad55b15 | 1379 | return EFI_NOT_READY;\r |
1380 | \r | |
f36d6e66 | 1381 | case EFI_EXT_SCSI_STATUS_TARGET_RESERVATION_CONFLICT:\r |
6ad55b15 | 1382 | return EFI_DEVICE_ERROR;\r |
1383 | break;\r | |
1384 | \r | |
1385 | default:\r | |
1386 | return EFI_SUCCESS;\r | |
1387 | }\r | |
1388 | }\r | |
1389 | \r | |
f36d6e66 | 1390 | \r |
9beb888e | 1391 | /**\r |
6ad55b15 | 1392 | Retrieve all sense keys from the device.\r |
f36d6e66 | 1393 | \r |
9beb888e | 1394 | When encountering error during the process, if retrieve sense keys before\r |
d716651f | 1395 | error encountered, it returns the sense keys with return status set to EFI_SUCCESS,\r |
9beb888e | 1396 | and NeedRetry set to FALSE; otherwize, return the proper return status.\r |
1397 | \r | |
1398 | @param ScsiDiskDevice The pointer of SCSI_DISK_DEV\r | |
1399 | @param NeedRetry The pointer of flag indicates if need a retry\r | |
1400 | @param SenseDataArray The pointer of an array of sense data\r | |
1401 | @param NumberOfSenseKeys The number of sense key\r | |
1402 | @param AskResetIfError The flag indicates if need reset when error occurs\r | |
1403 | \r | |
1404 | @retval EFI_DEVICE_ERROR Indicates that error occurs\r | |
1405 | @retval EFI_SUCCESS Successfully to request sense key\r | |
f36d6e66 | 1406 | \r |
9beb888e | 1407 | **/\r |
1408 | EFI_STATUS\r | |
1409 | ScsiDiskRequestSenseKeys (\r | |
1410 | IN OUT SCSI_DISK_DEV *ScsiDiskDevice,\r | |
1411 | OUT BOOLEAN *NeedRetry,\r | |
1412 | OUT EFI_SCSI_SENSE_DATA **SenseDataArray,\r | |
1413 | OUT UINTN *NumberOfSenseKeys,\r | |
1414 | IN BOOLEAN AskResetIfError\r | |
1415 | )\r | |
6ad55b15 | 1416 | {\r |
1417 | EFI_SCSI_SENSE_DATA *PtrSenseData;\r | |
1418 | UINT8 SenseDataLength;\r | |
1419 | BOOLEAN SenseReq;\r | |
1420 | EFI_STATUS Status;\r | |
1421 | EFI_STATUS FallStatus;\r | |
1422 | UINT8 HostAdapterStatus;\r | |
1423 | UINT8 TargetStatus;\r | |
1424 | \r | |
1425 | FallStatus = EFI_SUCCESS;\r | |
1426 | SenseDataLength = sizeof (EFI_SCSI_SENSE_DATA);\r | |
1427 | \r | |
1428 | ZeroMem (\r | |
1429 | ScsiDiskDevice->SenseData,\r | |
1430 | sizeof (EFI_SCSI_SENSE_DATA) * (ScsiDiskDevice->SenseDataNumber)\r | |
1431 | );\r | |
1432 | \r | |
1433 | *NumberOfSenseKeys = 0;\r | |
1434 | *SenseDataArray = ScsiDiskDevice->SenseData;\r | |
1435 | PtrSenseData = ScsiDiskDevice->SenseData;\r | |
1436 | \r | |
1437 | for (SenseReq = TRUE; SenseReq;) {\r | |
d35be2a4 | 1438 | Status = ScsiRequestSenseCommand (\r |
6ad55b15 | 1439 | ScsiDiskDevice->ScsiIo,\r |
e72a3b3e | 1440 | EFI_TIMER_PERIOD_SECONDS (2),\r |
6ad55b15 | 1441 | PtrSenseData,\r |
1442 | &SenseDataLength,\r | |
1443 | &HostAdapterStatus,\r | |
1444 | &TargetStatus\r | |
1445 | );\r | |
f36d6e66 | 1446 | if ((Status == EFI_SUCCESS) || (Status == EFI_WARN_BUFFER_TOO_SMALL)) {\r |
1447 | FallStatus = EFI_SUCCESS;\r | |
1448 | \r | |
1449 | } else if ((Status == EFI_TIMEOUT) || (Status == EFI_NOT_READY)) {\r | |
1450 | *NeedRetry = TRUE;\r | |
1451 | FallStatus = EFI_DEVICE_ERROR;\r | |
1452 | \r | |
1453 | } else if ((Status == EFI_INVALID_PARAMETER) || (Status == EFI_UNSUPPORTED)) {\r | |
1454 | *NeedRetry = FALSE;\r | |
1455 | FallStatus = EFI_DEVICE_ERROR;\r | |
1456 | \r | |
1457 | } else if (Status == EFI_DEVICE_ERROR) {\r | |
1458 | if (AskResetIfError) {\r | |
1459 | ScsiDiskDevice->ScsiIo->ResetDevice (ScsiDiskDevice->ScsiIo);\r | |
1460 | }\r | |
1461 | \r | |
1462 | FallStatus = EFI_DEVICE_ERROR;\r | |
6ad55b15 | 1463 | }\r |
1464 | \r | |
1465 | if (EFI_ERROR (FallStatus)) {\r | |
1466 | if (*NumberOfSenseKeys != 0) {\r | |
1467 | *NeedRetry = FALSE;\r | |
1468 | return EFI_SUCCESS;\r | |
1469 | } else {\r | |
1470 | return EFI_DEVICE_ERROR;\r | |
1471 | }\r | |
1472 | }\r | |
1473 | \r | |
1474 | (*NumberOfSenseKeys) += 1;\r | |
1475 | \r | |
1476 | //\r | |
1477 | // no more sense key or number of sense keys exceeds predefined,\r | |
1478 | // skip the loop.\r | |
1479 | //\r | |
1480 | if ((PtrSenseData->Sense_Key == EFI_SCSI_SK_NO_SENSE) || \r | |
1481 | (*NumberOfSenseKeys == ScsiDiskDevice->SenseDataNumber)) {\r | |
1482 | SenseReq = FALSE;\r | |
1483 | }\r | |
6ad55b15 | 1484 | PtrSenseData += 1;\r |
6ad55b15 | 1485 | }\r |
6ad55b15 | 1486 | return EFI_SUCCESS;\r |
1487 | }\r | |
1488 | \r | |
6ad55b15 | 1489 | \r |
9beb888e | 1490 | /**\r |
1491 | Get information from media read capacity command.\r | |
6ad55b15 | 1492 | \r |
9beb888e | 1493 | @param ScsiDiskDevice The pointer of SCSI_DISK_DEV\r |
aa75dfec | 1494 | @param Capacity10 The pointer of EFI_SCSI_DISK_CAPACITY_DATA\r |
1495 | @param Capacity16 The pointer of EFI_SCSI_DISK_CAPACITY_DATA16\r | |
6ad55b15 | 1496 | \r |
9beb888e | 1497 | **/\r |
1498 | VOID\r | |
1499 | GetMediaInfo (\r | |
aa75dfec | 1500 | IN OUT SCSI_DISK_DEV *ScsiDiskDevice,\r |
1501 | IN EFI_SCSI_DISK_CAPACITY_DATA *Capacity10,\r | |
1502 | IN EFI_SCSI_DISK_CAPACITY_DATA16 *Capacity16\r | |
9beb888e | 1503 | )\r |
6ad55b15 | 1504 | {\r |
b96cd313 | 1505 | UINT8 ScsiVersion;\r |
1506 | UINT8 *Ptr;\r | |
1507 | \r | |
1508 | ScsiVersion = (UINT8)(ScsiDiskDevice->InquiryData.Version & 0x03);\r | |
1509 | ScsiDiskDevice->BlkIo.Media->LowestAlignedLba = 0;\r | |
1510 | ScsiDiskDevice->BlkIo.Media->LogicalBlocksPerPhysicalBlock = 1;\r | |
1511 | \r | |
1512 | \r | |
1513 | if (ScsiVersion < SCSI_COMMAND_VERSION_3) {\r | |
1514 | ScsiDiskDevice->BlkIo.Media->LastBlock = (Capacity10->LastLba3 << 24) |\r | |
1515 | (Capacity10->LastLba2 << 16) |\r | |
1516 | (Capacity10->LastLba1 << 8) |\r | |
1517 | Capacity10->LastLba0;\r | |
1518 | \r | |
1519 | ScsiDiskDevice->BlkIo.Media->BlockSize = (Capacity10->BlockSize3 << 24) |\r | |
1520 | (Capacity10->BlockSize2 << 16) | \r | |
1521 | (Capacity10->BlockSize1 << 8) |\r | |
1522 | Capacity10->BlockSize0;\r | |
1523 | ScsiDiskDevice->BlkIo.Revision = EFI_BLOCK_IO_PROTOCOL_REVISION; \r | |
1524 | } else {\r | |
1525 | \r | |
1526 | Ptr = (UINT8*)&ScsiDiskDevice->BlkIo.Media->LastBlock;\r | |
1527 | *Ptr++ = Capacity16->LastLba0;\r | |
1528 | *Ptr++ = Capacity16->LastLba1;\r | |
1529 | *Ptr++ = Capacity16->LastLba2;\r | |
1530 | *Ptr++ = Capacity16->LastLba3;\r | |
1531 | *Ptr++ = Capacity16->LastLba4;\r | |
1532 | *Ptr++ = Capacity16->LastLba5;\r | |
1533 | *Ptr++ = Capacity16->LastLba6;\r | |
1534 | *Ptr = Capacity16->LastLba7;\r | |
1535 | \r | |
1536 | ScsiDiskDevice->BlkIo.Media->BlockSize = (Capacity16->BlockSize3 << 24) |\r | |
1537 | (Capacity16->BlockSize2 << 16) | \r | |
1538 | (Capacity16->BlockSize1 << 8) |\r | |
1539 | Capacity16->BlockSize0;\r | |
1540 | \r | |
1541 | ScsiDiskDevice->BlkIo.Media->LowestAlignedLba = (Capacity16->LowestAlignLogic2 << 8)|(Capacity16->LowestAlignLogic1);\r | |
1542 | ScsiDiskDevice->BlkIo.Media->LogicalBlocksPerPhysicalBlock = Capacity16->LogicPerPhysical;\r | |
1543 | ScsiDiskDevice->BlkIo.Revision = EFI_BLOCK_IO_PROTOCOL_REVISION2; \r | |
1544 | }\r | |
1545 | \r | |
6ad55b15 | 1546 | \r |
1547 | ScsiDiskDevice->BlkIo.Media->MediaPresent = TRUE;\r | |
b96cd313 | 1548 | \r |
6ad55b15 | 1549 | if (ScsiDiskDevice->DeviceType == EFI_SCSI_TYPE_DISK) {\r |
1550 | ScsiDiskDevice->BlkIo.Media->BlockSize = 0x200;\r | |
1551 | }\r | |
1552 | \r | |
1553 | if (ScsiDiskDevice->DeviceType == EFI_SCSI_TYPE_CDROM) {\r | |
1554 | ScsiDiskDevice->BlkIo.Media->BlockSize = 0x800;\r | |
1555 | }\r | |
1556 | }\r | |
1557 | \r | |
9beb888e | 1558 | /**\r |
1559 | Parse Inquiry data.\r | |
1560 | \r | |
1561 | @param ScsiDiskDevice The pointer of SCSI_DISK_DEV\r | |
1562 | \r | |
1563 | **/\r | |
6ad55b15 | 1564 | VOID\r |
1565 | ParseInquiryData (\r | |
9beb888e | 1566 | IN OUT SCSI_DISK_DEV *ScsiDiskDevice\r |
6ad55b15 | 1567 | )\r |
6ad55b15 | 1568 | {\r |
fbfa4a1d | 1569 | ScsiDiskDevice->FixedDevice = (BOOLEAN) ((ScsiDiskDevice->InquiryData.Rmb == 1) ? 0 : 1);\r |
6ad55b15 | 1570 | ScsiDiskDevice->BlkIoMedia.RemovableMedia = (BOOLEAN) (!ScsiDiskDevice->FixedDevice);\r |
1571 | }\r | |
1572 | \r | |
9beb888e | 1573 | /**\r |
1574 | Read sector from SCSI Disk.\r | |
6ad55b15 | 1575 | \r |
d716651f | 1576 | @param ScsiDiskDevice The pointer of SCSI_DISK_DEV\r |
9beb888e | 1577 | @param Buffer The buffer to fill in the read out data\r |
1578 | @param Lba Logic block address\r | |
1579 | @param NumberOfBlocks The number of blocks to read\r | |
6ad55b15 | 1580 | \r |
9beb888e | 1581 | @retval EFI_DEVICE_ERROR Indicates a device error.\r |
1582 | @retval EFI_SUCCESS Operation is successful.\r | |
6ad55b15 | 1583 | \r |
9beb888e | 1584 | **/\r |
1585 | EFI_STATUS\r | |
1586 | ScsiDiskReadSectors (\r | |
1587 | IN SCSI_DISK_DEV *ScsiDiskDevice,\r | |
1588 | OUT VOID *Buffer,\r | |
1589 | IN EFI_LBA Lba,\r | |
1590 | IN UINTN NumberOfBlocks\r | |
1591 | )\r | |
6ad55b15 | 1592 | {\r |
1593 | UINTN BlocksRemaining;\r | |
1594 | UINT32 Lba32;\r | |
1595 | UINT8 *PtrBuffer;\r | |
1596 | UINT32 BlockSize;\r | |
1597 | UINT32 ByteCount;\r | |
1598 | UINT32 MaxBlock;\r | |
1599 | UINT32 SectorCount;\r | |
1600 | UINT64 Timeout;\r | |
1601 | EFI_STATUS Status;\r | |
1602 | UINT8 Index;\r | |
1603 | UINT8 MaxRetry;\r | |
1604 | BOOLEAN NeedRetry;\r | |
1605 | EFI_SCSI_SENSE_DATA *SenseData;\r | |
1606 | UINTN NumberOfSenseKeys;\r | |
1607 | \r | |
1608 | SenseData = NULL;\r | |
1609 | NumberOfSenseKeys = 0;\r | |
1610 | \r | |
1611 | Status = EFI_SUCCESS;\r | |
1612 | \r | |
1613 | BlocksRemaining = NumberOfBlocks;\r | |
1614 | BlockSize = ScsiDiskDevice->BlkIo.Media->BlockSize;\r | |
1615 | //\r | |
1616 | // limit the data bytes that can be transferred by one Read(10) Command\r | |
1617 | //\r | |
1618 | MaxBlock = 65536;\r | |
1619 | \r | |
1620 | PtrBuffer = Buffer;\r | |
1621 | Lba32 = (UINT32) Lba;\r | |
1622 | \r | |
1623 | while (BlocksRemaining > 0) {\r | |
1624 | \r | |
1625 | if (BlocksRemaining <= MaxBlock) {\r | |
1626 | \r | |
1627 | SectorCount = (UINT16) BlocksRemaining;\r | |
1628 | } else {\r | |
1629 | \r | |
1630 | SectorCount = MaxBlock;\r | |
1631 | }\r | |
1632 | \r | |
1633 | ByteCount = SectorCount * BlockSize;\r | |
e72a3b3e | 1634 | Timeout = EFI_TIMER_PERIOD_SECONDS (2);\r |
6ad55b15 | 1635 | \r |
1636 | MaxRetry = 2;\r | |
1637 | for (Index = 0; Index < MaxRetry; Index++) {\r | |
1638 | \r | |
1639 | Status = ScsiDiskRead10 (\r | |
1640 | ScsiDiskDevice,\r | |
1641 | &NeedRetry,\r | |
1642 | &SenseData,\r | |
1643 | &NumberOfSenseKeys,\r | |
1644 | Timeout,\r | |
1645 | PtrBuffer,\r | |
1646 | &ByteCount,\r | |
1647 | Lba32,\r | |
1648 | SectorCount\r | |
1649 | );\r | |
1650 | if (!EFI_ERROR (Status)) {\r | |
1651 | break;\r | |
1652 | }\r | |
1653 | \r | |
1654 | if (!NeedRetry) {\r | |
1655 | return EFI_DEVICE_ERROR;\r | |
1656 | }\r | |
1657 | \r | |
1658 | }\r | |
1659 | \r | |
1660 | if ((Index == MaxRetry) && (Status != EFI_SUCCESS)) {\r | |
1661 | return EFI_DEVICE_ERROR;\r | |
1662 | }\r | |
1663 | \r | |
1664 | //\r | |
1665 | // actual transferred sectors\r | |
1666 | //\r | |
1667 | SectorCount = ByteCount / BlockSize;\r | |
1668 | \r | |
1669 | Lba32 += SectorCount;\r | |
1670 | PtrBuffer = PtrBuffer + SectorCount * BlockSize;\r | |
1671 | BlocksRemaining -= SectorCount;\r | |
1672 | }\r | |
1673 | \r | |
1674 | return EFI_SUCCESS;\r | |
1675 | }\r | |
1676 | \r | |
9beb888e | 1677 | /**\r |
1678 | Write sector to SCSI Disk.\r | |
6ad55b15 | 1679 | \r |
d716651f | 1680 | @param ScsiDiskDevice The pointer of SCSI_DISK_DEV\r |
9beb888e | 1681 | @param Buffer The buffer of data to be written into SCSI Disk\r |
1682 | @param Lba Logic block address\r | |
1683 | @param NumberOfBlocks The number of blocks to read\r | |
6ad55b15 | 1684 | \r |
9beb888e | 1685 | @retval EFI_DEVICE_ERROR Indicates a device error.\r |
1686 | @retval EFI_SUCCESS Operation is successful.\r | |
6ad55b15 | 1687 | \r |
9beb888e | 1688 | **/\r |
1689 | EFI_STATUS\r | |
1690 | ScsiDiskWriteSectors (\r | |
1691 | IN SCSI_DISK_DEV *ScsiDiskDevice,\r | |
1692 | IN VOID *Buffer,\r | |
1693 | IN EFI_LBA Lba,\r | |
1694 | IN UINTN NumberOfBlocks\r | |
1695 | )\r | |
6ad55b15 | 1696 | {\r |
1697 | UINTN BlocksRemaining;\r | |
1698 | UINT32 Lba32;\r | |
1699 | UINT8 *PtrBuffer;\r | |
1700 | UINT32 BlockSize;\r | |
1701 | UINT32 ByteCount;\r | |
1702 | UINT32 MaxBlock;\r | |
1703 | UINT32 SectorCount;\r | |
1704 | UINT64 Timeout;\r | |
1705 | EFI_STATUS Status;\r | |
1706 | UINT8 Index;\r | |
1707 | UINT8 MaxRetry;\r | |
1708 | BOOLEAN NeedRetry;\r | |
1709 | EFI_SCSI_SENSE_DATA *SenseData;\r | |
1710 | UINTN NumberOfSenseKeys;\r | |
1711 | \r | |
1712 | SenseData = NULL;\r | |
1713 | NumberOfSenseKeys = 0;\r | |
1714 | \r | |
1715 | Status = EFI_SUCCESS;\r | |
1716 | \r | |
1717 | BlocksRemaining = NumberOfBlocks;\r | |
1718 | BlockSize = ScsiDiskDevice->BlkIo.Media->BlockSize;\r | |
1719 | //\r | |
1720 | // limit the data bytes that can be transferred by one Write(10) Command\r | |
1721 | //\r | |
1722 | MaxBlock = 65536;\r | |
1723 | \r | |
1724 | PtrBuffer = Buffer;\r | |
1725 | Lba32 = (UINT32) Lba;\r | |
1726 | \r | |
1727 | while (BlocksRemaining > 0) {\r | |
1728 | \r | |
1729 | if (BlocksRemaining <= MaxBlock) {\r | |
1730 | \r | |
1731 | SectorCount = (UINT16) BlocksRemaining;\r | |
1732 | } else {\r | |
1733 | \r | |
1734 | SectorCount = MaxBlock;\r | |
1735 | }\r | |
1736 | \r | |
1737 | ByteCount = SectorCount * BlockSize;\r | |
e72a3b3e | 1738 | Timeout = EFI_TIMER_PERIOD_SECONDS (2);\r |
6ad55b15 | 1739 | MaxRetry = 2;\r |
1740 | for (Index = 0; Index < MaxRetry; Index++) {\r | |
1741 | Status = ScsiDiskWrite10 (\r | |
1742 | ScsiDiskDevice,\r | |
1743 | &NeedRetry,\r | |
1744 | &SenseData,\r | |
1745 | &NumberOfSenseKeys,\r | |
1746 | Timeout,\r | |
1747 | PtrBuffer,\r | |
1748 | &ByteCount,\r | |
1749 | Lba32,\r | |
1750 | SectorCount\r | |
1751 | );\r | |
1752 | if (!EFI_ERROR (Status)) {\r | |
1753 | break;\r | |
1754 | }\r | |
1755 | \r | |
1756 | if (!NeedRetry) {\r | |
1757 | return EFI_DEVICE_ERROR;\r | |
1758 | }\r | |
1759 | }\r | |
1760 | \r | |
1761 | if ((Index == MaxRetry) && (Status != EFI_SUCCESS)) {\r | |
1762 | return EFI_DEVICE_ERROR;\r | |
1763 | }\r | |
1764 | //\r | |
1765 | // actual transferred sectors\r | |
1766 | //\r | |
1767 | SectorCount = ByteCount / BlockSize;\r | |
1768 | \r | |
1769 | Lba32 += SectorCount;\r | |
1770 | PtrBuffer = PtrBuffer + SectorCount * BlockSize;\r | |
1771 | BlocksRemaining -= SectorCount;\r | |
1772 | }\r | |
1773 | \r | |
1774 | return EFI_SUCCESS;\r | |
1775 | }\r | |
1776 | \r | |
9beb888e | 1777 | \r |
1778 | /**\r | |
d716651f | 1779 | Submit Read command.\r |
9beb888e | 1780 | \r |
1781 | @param ScsiDiskDevice The pointer of ScsiDiskDevice\r | |
1782 | @param NeedRetry The pointer of flag indicates if needs retry if error happens\r | |
1783 | @param SenseDataArray NOT used yet in this function\r | |
1784 | @param NumberOfSenseKeys The number of sense key\r | |
1785 | @param Timeout The time to complete the command\r | |
1786 | @param DataBuffer The buffer to fill with the read out data\r | |
1787 | @param DataLength The length of buffer\r | |
1788 | @param StartLba The start logic block address\r | |
1789 | @param SectorSize The size of sector\r | |
1790 | \r | |
1791 | @return EFI_STATUS is returned by calling ScsiRead10Command().\r | |
1792 | **/\r | |
6ad55b15 | 1793 | EFI_STATUS\r |
1794 | ScsiDiskRead10 (\r | |
9beb888e | 1795 | IN SCSI_DISK_DEV *ScsiDiskDevice,\r |
1796 | OUT BOOLEAN *NeedRetry,\r | |
1797 | OUT EFI_SCSI_SENSE_DATA **SenseDataArray, OPTIONAL\r | |
1798 | OUT UINTN *NumberOfSenseKeys,\r | |
1799 | IN UINT64 Timeout,\r | |
1800 | OUT UINT8 *DataBuffer,\r | |
1801 | IN OUT UINT32 *DataLength,\r | |
1802 | IN UINT32 StartLba,\r | |
1803 | IN UINT32 SectorSize\r | |
6ad55b15 | 1804 | )\r |
6ad55b15 | 1805 | {\r |
1806 | UINT8 SenseDataLength;\r | |
1807 | EFI_STATUS Status;\r | |
1808 | UINT8 HostAdapterStatus;\r | |
1809 | UINT8 TargetStatus;\r | |
1810 | \r | |
1811 | *NeedRetry = FALSE;\r | |
1812 | *NumberOfSenseKeys = 0;\r | |
1813 | SenseDataLength = 0;\r | |
d35be2a4 | 1814 | Status = ScsiRead10Command (\r |
6ad55b15 | 1815 | ScsiDiskDevice->ScsiIo,\r |
1816 | Timeout,\r | |
1817 | NULL,\r | |
1818 | &SenseDataLength,\r | |
1819 | &HostAdapterStatus,\r | |
1820 | &TargetStatus,\r | |
1821 | DataBuffer,\r | |
1822 | DataLength,\r | |
1823 | StartLba,\r | |
1824 | SectorSize\r | |
1825 | );\r | |
1826 | return Status;\r | |
1827 | }\r | |
1828 | \r | |
6ad55b15 | 1829 | \r |
9beb888e | 1830 | /**\r |
1831 | Submit Write Command.\r | |
6ad55b15 | 1832 | \r |
9beb888e | 1833 | @param ScsiDiskDevice The pointer of ScsiDiskDevice\r |
1834 | @param NeedRetry The pointer of flag indicates if needs retry if error happens\r | |
1835 | @param SenseDataArray NOT used yet in this function\r | |
1836 | @param NumberOfSenseKeys The number of sense key\r | |
1837 | @param Timeout The time to complete the command\r | |
1838 | @param DataBuffer The buffer to fill with the read out data\r | |
1839 | @param DataLength The length of buffer\r | |
1840 | @param StartLba The start logic block address\r | |
1841 | @param SectorSize The size of sector\r | |
6ad55b15 | 1842 | \r |
9beb888e | 1843 | @return EFI_STATUS is returned by calling ScsiWrite10Command().\r |
6ad55b15 | 1844 | \r |
9beb888e | 1845 | **/\r |
1846 | EFI_STATUS\r | |
1847 | ScsiDiskWrite10 (\r | |
1848 | IN SCSI_DISK_DEV *ScsiDiskDevice,\r | |
1849 | OUT BOOLEAN *NeedRetry,\r | |
1850 | OUT EFI_SCSI_SENSE_DATA **SenseDataArray, OPTIONAL\r | |
1851 | OUT UINTN *NumberOfSenseKeys,\r | |
1852 | IN UINT64 Timeout,\r | |
1853 | IN UINT8 *DataBuffer,\r | |
1854 | IN OUT UINT32 *DataLength,\r | |
1855 | IN UINT32 StartLba,\r | |
1856 | IN UINT32 SectorSize\r | |
1857 | )\r | |
6ad55b15 | 1858 | {\r |
1859 | EFI_STATUS Status;\r | |
1860 | UINT8 SenseDataLength;\r | |
1861 | UINT8 HostAdapterStatus;\r | |
1862 | UINT8 TargetStatus;\r | |
1863 | \r | |
1864 | *NeedRetry = FALSE;\r | |
1865 | *NumberOfSenseKeys = 0;\r | |
1866 | SenseDataLength = 0;\r | |
d35be2a4 | 1867 | Status = ScsiWrite10Command (\r |
6ad55b15 | 1868 | ScsiDiskDevice->ScsiIo,\r |
1869 | Timeout,\r | |
1870 | NULL,\r | |
1871 | &SenseDataLength,\r | |
1872 | &HostAdapterStatus,\r | |
1873 | &TargetStatus,\r | |
1874 | DataBuffer,\r | |
1875 | DataLength,\r | |
1876 | StartLba,\r | |
1877 | SectorSize\r | |
1878 | );\r | |
1879 | return Status;\r | |
1880 | }\r | |
1881 | \r | |
9beb888e | 1882 | \r |
1883 | /**\r | |
1884 | Check sense key to find if media presents.\r | |
1885 | \r | |
1886 | @param SenseData The pointer of EFI_SCSI_SENSE_DATA\r | |
1887 | @param SenseCounts The number of sense key\r | |
1888 | \r | |
1889 | @retval TRUE NOT any media\r | |
1890 | @retval FALSE Media presents\r | |
1891 | **/\r | |
6ad55b15 | 1892 | BOOLEAN\r |
1893 | ScsiDiskIsNoMedia (\r | |
1894 | IN EFI_SCSI_SENSE_DATA *SenseData,\r | |
1895 | IN UINTN SenseCounts\r | |
1896 | )\r | |
6ad55b15 | 1897 | {\r |
1898 | EFI_SCSI_SENSE_DATA *SensePtr;\r | |
1899 | UINTN Index;\r | |
1900 | BOOLEAN IsNoMedia;\r | |
1901 | \r | |
1902 | IsNoMedia = FALSE;\r | |
1903 | SensePtr = SenseData;\r | |
1904 | \r | |
1905 | for (Index = 0; Index < SenseCounts; Index++) {\r | |
6ad55b15 | 1906 | //\r |
1907 | // Sense Key is EFI_SCSI_SK_NOT_READY (0x2),\r | |
1908 | // Additional Sense Code is ASC_NO_MEDIA (0x3A)\r | |
1909 | //\r | |
1910 | if ((SensePtr->Sense_Key == EFI_SCSI_SK_NOT_READY) &&\r | |
1911 | (SensePtr->Addnl_Sense_Code == EFI_SCSI_ASC_NO_MEDIA)) {\r | |
1912 | IsNoMedia = TRUE;\r | |
1913 | }\r | |
6ad55b15 | 1914 | SensePtr++;\r |
1915 | }\r | |
1916 | \r | |
1917 | return IsNoMedia;\r | |
1918 | }\r | |
1919 | \r | |
9beb888e | 1920 | \r |
1921 | /**\r | |
1922 | Parse sense key.\r | |
1923 | \r | |
1924 | @param SenseData The pointer of EFI_SCSI_SENSE_DATA\r | |
1925 | @param SenseCounts The number of sense key\r | |
1926 | \r | |
1927 | @retval TRUE Error\r | |
1928 | @retval FALSE NOT error\r | |
1929 | \r | |
1930 | **/\r | |
6ad55b15 | 1931 | BOOLEAN\r |
1932 | ScsiDiskIsMediaError (\r | |
1933 | IN EFI_SCSI_SENSE_DATA *SenseData,\r | |
1934 | IN UINTN SenseCounts\r | |
1935 | )\r | |
6ad55b15 | 1936 | {\r |
1937 | EFI_SCSI_SENSE_DATA *SensePtr;\r | |
1938 | UINTN Index;\r | |
1939 | BOOLEAN IsError;\r | |
1940 | \r | |
1941 | IsError = FALSE;\r | |
1942 | SensePtr = SenseData;\r | |
1943 | \r | |
1944 | for (Index = 0; Index < SenseCounts; Index++) {\r | |
1945 | \r | |
1946 | switch (SensePtr->Sense_Key) {\r | |
1947 | \r | |
1948 | case EFI_SCSI_SK_MEDIUM_ERROR:\r | |
1949 | //\r | |
1950 | // Sense Key is EFI_SCSI_SK_MEDIUM_ERROR (0x3)\r | |
1951 | //\r | |
1952 | switch (SensePtr->Addnl_Sense_Code) {\r | |
1953 | \r | |
1954 | //\r | |
1955 | // fall through\r | |
1956 | //\r | |
1957 | case EFI_SCSI_ASC_MEDIA_ERR1:\r | |
1958 | \r | |
1959 | //\r | |
1960 | // fall through\r | |
1961 | //\r | |
1962 | case EFI_SCSI_ASC_MEDIA_ERR2:\r | |
1963 | \r | |
1964 | //\r | |
1965 | // fall through\r | |
1966 | //\r | |
1967 | case EFI_SCSI_ASC_MEDIA_ERR3:\r | |
1968 | case EFI_SCSI_ASC_MEDIA_ERR4:\r | |
1969 | IsError = TRUE;\r | |
1970 | break;\r | |
1971 | \r | |
1972 | default:\r | |
1973 | break;\r | |
1974 | }\r | |
1975 | \r | |
1976 | break;\r | |
1977 | \r | |
1978 | case EFI_SCSI_SK_NOT_READY:\r | |
1979 | //\r | |
1980 | // Sense Key is EFI_SCSI_SK_NOT_READY (0x2)\r | |
1981 | //\r | |
1982 | switch (SensePtr->Addnl_Sense_Code) {\r | |
1983 | //\r | |
1984 | // Additional Sense Code is ASC_MEDIA_UPSIDE_DOWN (0x6)\r | |
1985 | //\r | |
1986 | case EFI_SCSI_ASC_MEDIA_UPSIDE_DOWN:\r | |
1987 | IsError = TRUE;\r | |
1988 | break;\r | |
1989 | \r | |
1990 | default:\r | |
1991 | break;\r | |
1992 | }\r | |
1993 | break;\r | |
1994 | \r | |
1995 | default:\r | |
1996 | break;\r | |
1997 | }\r | |
1998 | \r | |
1999 | SensePtr++;\r | |
2000 | }\r | |
2001 | \r | |
2002 | return IsError;\r | |
2003 | }\r | |
2004 | \r | |
9beb888e | 2005 | \r |
2006 | /**\r | |
2007 | Check sense key to find if hardware error happens.\r | |
2008 | \r | |
2009 | @param SenseData The pointer of EFI_SCSI_SENSE_DATA\r | |
2010 | @param SenseCounts The number of sense key\r | |
2011 | \r | |
2012 | @retval TRUE Hardware error exits.\r | |
2013 | @retval FALSE NO error.\r | |
2014 | \r | |
2015 | **/\r | |
6ad55b15 | 2016 | BOOLEAN\r |
2017 | ScsiDiskIsHardwareError (\r | |
2018 | IN EFI_SCSI_SENSE_DATA *SenseData,\r | |
2019 | IN UINTN SenseCounts\r | |
2020 | )\r | |
6ad55b15 | 2021 | {\r |
2022 | EFI_SCSI_SENSE_DATA *SensePtr;\r | |
2023 | UINTN Index;\r | |
2024 | BOOLEAN IsError;\r | |
2025 | \r | |
2026 | IsError = FALSE;\r | |
2027 | SensePtr = SenseData;\r | |
2028 | \r | |
2029 | for (Index = 0; Index < SenseCounts; Index++) {\r | |
2030 | \r | |
2031 | //\r | |
2032 | // Sense Key is EFI_SCSI_SK_HARDWARE_ERROR (0x4)\r | |
2033 | //\r | |
2034 | if (SensePtr->Sense_Key == EFI_SCSI_SK_HARDWARE_ERROR) {\r | |
2035 | IsError = TRUE;\r | |
2036 | }\r | |
2037 | \r | |
2038 | SensePtr++;\r | |
2039 | }\r | |
2040 | \r | |
2041 | return IsError;\r | |
2042 | }\r | |
2043 | \r | |
9beb888e | 2044 | \r |
2045 | /**\r | |
2046 | Check sense key to find if media has changed.\r | |
2047 | \r | |
2048 | @param SenseData The pointer of EFI_SCSI_SENSE_DATA\r | |
2049 | @param SenseCounts The number of sense key\r | |
2050 | \r | |
2051 | @retval TRUE Media is changed.\r | |
d716651f | 2052 | @retval FALSE Media is NOT changed.\r |
9beb888e | 2053 | **/\r |
6ad55b15 | 2054 | BOOLEAN\r |
2055 | ScsiDiskIsMediaChange (\r | |
2056 | IN EFI_SCSI_SENSE_DATA *SenseData,\r | |
2057 | IN UINTN SenseCounts\r | |
2058 | )\r | |
6ad55b15 | 2059 | {\r |
2060 | EFI_SCSI_SENSE_DATA *SensePtr;\r | |
2061 | UINTN Index;\r | |
2062 | BOOLEAN IsMediaChanged;\r | |
2063 | \r | |
2064 | IsMediaChanged = FALSE;\r | |
2065 | SensePtr = SenseData;\r | |
2066 | \r | |
2067 | for (Index = 0; Index < SenseCounts; Index++) {\r | |
2068 | //\r | |
2069 | // Sense Key is EFI_SCSI_SK_UNIT_ATTENTION (0x6),\r | |
2070 | // Additional sense code is EFI_SCSI_ASC_MEDIA_CHANGE (0x28)\r | |
2071 | //\r | |
2072 | if ((SensePtr->Sense_Key == EFI_SCSI_SK_UNIT_ATTENTION) &&\r | |
2073 | (SensePtr->Addnl_Sense_Code == EFI_SCSI_ASC_MEDIA_CHANGE)) {\r | |
2074 | IsMediaChanged = TRUE;\r | |
2075 | }\r | |
2076 | \r | |
2077 | SensePtr++;\r | |
2078 | }\r | |
2079 | \r | |
2080 | return IsMediaChanged;\r | |
2081 | }\r | |
2082 | \r | |
9beb888e | 2083 | /**\r |
2084 | Check sense key to find if reset happens.\r | |
2085 | \r | |
2086 | @param SenseData The pointer of EFI_SCSI_SENSE_DATA\r | |
2087 | @param SenseCounts The number of sense key\r | |
2088 | \r | |
2089 | @retval TRUE It is reset before.\r | |
2090 | @retval FALSE It is NOT reset before.\r | |
2091 | \r | |
2092 | **/\r | |
6ad55b15 | 2093 | BOOLEAN\r |
2094 | ScsiDiskIsResetBefore (\r | |
2095 | IN EFI_SCSI_SENSE_DATA *SenseData,\r | |
2096 | IN UINTN SenseCounts\r | |
2097 | )\r | |
6ad55b15 | 2098 | {\r |
2099 | EFI_SCSI_SENSE_DATA *SensePtr;\r | |
2100 | UINTN Index;\r | |
2101 | BOOLEAN IsResetBefore;\r | |
2102 | \r | |
2103 | IsResetBefore = FALSE;\r | |
2104 | SensePtr = SenseData;\r | |
2105 | \r | |
2106 | for (Index = 0; Index < SenseCounts; Index++) {\r | |
2107 | \r | |
2108 | //\r | |
2109 | // Sense Key is EFI_SCSI_SK_UNIT_ATTENTION (0x6)\r | |
2110 | // Additional Sense Code is EFI_SCSI_ASC_RESET (0x29)\r | |
2111 | //\r | |
2112 | if ((SensePtr->Sense_Key == EFI_SCSI_SK_UNIT_ATTENTION) &&\r | |
2113 | (SensePtr->Addnl_Sense_Code == EFI_SCSI_ASC_RESET)) {\r | |
2114 | IsResetBefore = TRUE;\r | |
2115 | }\r | |
2116 | \r | |
2117 | SensePtr++;\r | |
2118 | }\r | |
2119 | \r | |
2120 | return IsResetBefore;\r | |
2121 | }\r | |
2122 | \r | |
9beb888e | 2123 | /**\r |
2124 | Check sense key to find if the drive is ready.\r | |
2125 | \r | |
2126 | @param SenseData The pointer of EFI_SCSI_SENSE_DATA\r | |
2127 | @param SenseCounts The number of sense key\r | |
2128 | @param RetryLater The flag means if need a retry \r | |
2129 | \r | |
2130 | @retval TRUE Drive is ready.\r | |
2131 | @retval FALSE Drive is NOT ready.\r | |
2132 | \r | |
2133 | **/\r | |
6ad55b15 | 2134 | BOOLEAN\r |
2135 | ScsiDiskIsDriveReady (\r | |
2136 | IN EFI_SCSI_SENSE_DATA *SenseData,\r | |
2137 | IN UINTN SenseCounts,\r | |
2138 | OUT BOOLEAN *RetryLater\r | |
2139 | )\r | |
6ad55b15 | 2140 | {\r |
2141 | EFI_SCSI_SENSE_DATA *SensePtr;\r | |
2142 | UINTN Index;\r | |
2143 | BOOLEAN IsReady;\r | |
2144 | \r | |
2145 | IsReady = TRUE;\r | |
2146 | *RetryLater = FALSE;\r | |
2147 | SensePtr = SenseData;\r | |
2148 | \r | |
2149 | for (Index = 0; Index < SenseCounts; Index++) {\r | |
2150 | \r | |
2151 | switch (SensePtr->Sense_Key) {\r | |
2152 | \r | |
2153 | case EFI_SCSI_SK_NOT_READY:\r | |
2154 | //\r | |
2155 | // Sense Key is EFI_SCSI_SK_NOT_READY (0x2)\r | |
2156 | //\r | |
2157 | switch (SensePtr->Addnl_Sense_Code) {\r | |
2158 | case EFI_SCSI_ASC_NOT_READY:\r | |
2159 | //\r | |
2160 | // Additional Sense Code is EFI_SCSI_ASC_NOT_READY (0x4)\r | |
2161 | //\r | |
2162 | switch (SensePtr->Addnl_Sense_Code_Qualifier) {\r | |
2163 | case EFI_SCSI_ASCQ_IN_PROGRESS:\r | |
2164 | //\r | |
2165 | // Additional Sense Code Qualifier is\r | |
2166 | // EFI_SCSI_ASCQ_IN_PROGRESS (0x1)\r | |
2167 | //\r | |
2168 | IsReady = FALSE;\r | |
2169 | *RetryLater = TRUE;\r | |
2170 | break;\r | |
2171 | \r | |
2172 | default:\r | |
2173 | IsReady = FALSE;\r | |
2174 | *RetryLater = FALSE;\r | |
2175 | break;\r | |
2176 | }\r | |
2177 | break;\r | |
2178 | \r | |
2179 | default:\r | |
2180 | break;\r | |
2181 | }\r | |
2182 | break;\r | |
2183 | \r | |
2184 | default:\r | |
2185 | break;\r | |
2186 | }\r | |
2187 | \r | |
2188 | SensePtr++;\r | |
2189 | }\r | |
2190 | \r | |
2191 | return IsReady;\r | |
2192 | }\r | |
2193 | \r | |
9beb888e | 2194 | /**\r |
2195 | Check sense key to find if it has sense key.\r | |
2196 | \r | |
2197 | @param SenseData - The pointer of EFI_SCSI_SENSE_DATA\r | |
2198 | @param SenseCounts - The number of sense key\r | |
2199 | \r | |
2200 | @retval TRUE It has sense key.\r | |
2201 | @retval FALSE It has NOT any sense key.\r | |
2202 | \r | |
2203 | **/\r | |
6ad55b15 | 2204 | BOOLEAN\r |
2205 | ScsiDiskHaveSenseKey (\r | |
2206 | IN EFI_SCSI_SENSE_DATA *SenseData,\r | |
2207 | IN UINTN SenseCounts\r | |
2208 | )\r | |
6ad55b15 | 2209 | {\r |
2210 | EFI_SCSI_SENSE_DATA *SensePtr;\r | |
2211 | UINTN Index;\r | |
2212 | BOOLEAN HaveSenseKey;\r | |
2213 | \r | |
2214 | if (SenseCounts == 0) {\r | |
2215 | HaveSenseKey = FALSE;\r | |
2216 | } else {\r | |
2217 | HaveSenseKey = TRUE;\r | |
2218 | }\r | |
2219 | \r | |
2220 | SensePtr = SenseData;\r | |
2221 | \r | |
2222 | for (Index = 0; Index < SenseCounts; Index++) {\r | |
2223 | \r | |
2224 | //\r | |
2225 | // Sense Key is SK_NO_SENSE (0x0)\r | |
2226 | //\r | |
2227 | if ((SensePtr->Sense_Key == EFI_SCSI_SK_NO_SENSE) &&\r | |
2228 | (Index == 0)) {\r | |
2229 | HaveSenseKey = FALSE;\r | |
2230 | }\r | |
2231 | \r | |
2232 | SensePtr++;\r | |
2233 | }\r | |
2234 | \r | |
2235 | return HaveSenseKey;\r | |
2236 | }\r | |
2237 | \r | |
9beb888e | 2238 | /**\r |
2239 | Release resource about disk device.\r | |
2240 | \r | |
2241 | @param ScsiDiskDevice The pointer of SCSI_DISK_DEV\r | |
2242 | \r | |
2243 | **/\r | |
6ad55b15 | 2244 | VOID\r |
2245 | ReleaseScsiDiskDeviceResources (\r | |
2246 | IN SCSI_DISK_DEV *ScsiDiskDevice\r | |
2247 | )\r | |
6ad55b15 | 2248 | {\r |
2249 | if (ScsiDiskDevice == NULL) {\r | |
2250 | return ;\r | |
2251 | }\r | |
2252 | \r | |
2253 | if (ScsiDiskDevice->SenseData != NULL) {\r | |
9b38ff34 | 2254 | FreePool (ScsiDiskDevice->SenseData);\r |
6ad55b15 | 2255 | ScsiDiskDevice->SenseData = NULL;\r |
2256 | }\r | |
2257 | \r | |
2258 | if (ScsiDiskDevice->ControllerNameTable != NULL) {\r | |
2259 | FreeUnicodeStringTable (ScsiDiskDevice->ControllerNameTable);\r | |
2260 | ScsiDiskDevice->ControllerNameTable = NULL;\r | |
2261 | }\r | |
2262 | \r | |
9b38ff34 | 2263 | FreePool (ScsiDiskDevice);\r |
6ad55b15 | 2264 | \r |
2265 | ScsiDiskDevice = NULL;\r | |
2266 | }\r | |
d14faa52 | 2267 | \r |
2268 | /**\r | |
2269 | Determine if Block Io should be produced.\r | |
2270 | \r | |
2271 | \r | |
d716651f | 2272 | @param ChildHandle Child Handle to retrieve Parent information.\r |
d14faa52 | 2273 | \r |
2274 | @retval TRUE Should produce Block Io.\r | |
2275 | @retval FALSE Should not produce Block Io.\r | |
2276 | \r | |
2277 | **/ \r | |
2278 | BOOLEAN\r | |
2279 | DetermineInstallBlockIo (\r | |
2280 | IN EFI_HANDLE ChildHandle\r | |
2281 | ) \r | |
2282 | {\r | |
2283 | EFI_SCSI_PASS_THRU_PROTOCOL *ScsiPassThru;\r | |
2284 | EFI_EXT_SCSI_PASS_THRU_PROTOCOL *ExtScsiPassThru;\r | |
2285 | \r | |
2286 | //\r | |
2287 | // Firstly, check if ExtScsiPassThru Protocol parent handle exists. If existence,\r | |
2288 | // check its attribute, logic or physical.\r | |
2289 | //\r | |
2290 | ExtScsiPassThru = (EFI_EXT_SCSI_PASS_THRU_PROTOCOL *)GetParentProtocol (&gEfiExtScsiPassThruProtocolGuid, ChildHandle);\r | |
2291 | if (ExtScsiPassThru != NULL) {\r | |
2292 | if ((ExtScsiPassThru->Mode->Attributes & EFI_SCSI_PASS_THRU_ATTRIBUTES_LOGICAL) != 0) {\r | |
2293 | return TRUE;\r | |
2294 | }\r | |
2295 | }\r | |
2296 | \r | |
2297 | //\r | |
2298 | // Secondly, check if ScsiPassThru Protocol parent handle exists. If existence,\r | |
2299 | // check its attribute, logic or physical.\r | |
2300 | //\r | |
2301 | ScsiPassThru = (EFI_SCSI_PASS_THRU_PROTOCOL *)GetParentProtocol (&gEfiScsiPassThruProtocolGuid, ChildHandle);\r | |
2302 | if (ScsiPassThru != NULL) {\r | |
2303 | if ((ScsiPassThru->Mode->Attributes & EFI_SCSI_PASS_THRU_ATTRIBUTES_LOGICAL) != 0) {\r | |
2304 | return TRUE;\r | |
2305 | }\r | |
2306 | }\r | |
2307 | \r | |
2308 | return FALSE;\r | |
2309 | }\r | |
2310 | \r | |
2311 | /**\r | |
2312 | Search protocol database and check to see if the protocol\r | |
2313 | specified by ProtocolGuid is present on a ControllerHandle and opened by\r | |
2314 | ChildHandle with an attribute of EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER.\r | |
2315 | If the ControllerHandle is found, then the protocol specified by ProtocolGuid\r | |
2316 | will be opened on it. \r | |
2317 | \r | |
2318 | \r | |
2319 | @param ProtocolGuid ProtocolGuid pointer.\r | |
2320 | @param ChildHandle Child Handle to retrieve Parent information.\r | |
2321 | \r | |
2322 | **/ \r | |
2323 | VOID *\r | |
2324 | EFIAPI\r | |
2325 | GetParentProtocol (\r | |
2326 | IN EFI_GUID *ProtocolGuid,\r | |
2327 | IN EFI_HANDLE ChildHandle\r | |
2328 | ) \r | |
2329 | {\r | |
2330 | UINTN Index;\r | |
2331 | UINTN HandleCount;\r | |
2332 | VOID *Interface; \r | |
2333 | EFI_STATUS Status;\r | |
2334 | EFI_HANDLE *HandleBuffer;\r | |
2335 | \r | |
2336 | //\r | |
2337 | // Retrieve the list of all handles from the handle database\r | |
2338 | //\r | |
2339 | Status = gBS->LocateHandleBuffer (\r | |
2340 | ByProtocol,\r | |
2341 | ProtocolGuid,\r | |
2342 | NULL,\r | |
2343 | &HandleCount,\r | |
2344 | &HandleBuffer\r | |
2345 | );\r | |
2346 | \r | |
2347 | if (EFI_ERROR (Status)) {\r | |
2348 | return NULL;\r | |
2349 | }\r | |
2350 | \r | |
2351 | //\r | |
2352 | // Iterate to find who is parent handle that is opened with ProtocolGuid by ChildHandle \r | |
2353 | //\r | |
2354 | for (Index = 0; Index < HandleCount; Index++) {\r | |
2355 | Status = EfiTestChildHandle (HandleBuffer[Index], ChildHandle, ProtocolGuid);\r | |
2356 | if (!EFI_ERROR (Status)) {\r | |
2357 | Status = gBS->HandleProtocol (HandleBuffer[Index], ProtocolGuid, (VOID **)&Interface);\r | |
2358 | if (!EFI_ERROR (Status)) {\r | |
2359 | gBS->FreePool (HandleBuffer);\r | |
2360 | return Interface;\r | |
2361 | }\r | |
2362 | }\r | |
2363 | }\r | |
2364 | \r | |
2365 | gBS->FreePool (HandleBuffer);\r | |
2366 | return NULL;\r | |
2367 | } \r | |
2368 | \r | |
d716651f | 2369 | /**\r |
2370 | Provides inquiry information for the controller type.\r | |
2371 | \r | |
2372 | This function is used by the IDE bus driver to get inquiry data. Data format\r | |
2373 | of Identify data is defined by the Interface GUID.\r | |
2374 | \r | |
4140a663 | 2375 | @param[in] This Pointer to the EFI_DISK_INFO_PROTOCOL instance.\r |
2376 | @param[in, out] InquiryData Pointer to a buffer for the inquiry data.\r | |
2377 | @param[in, out] InquiryDataSize Pointer to the value for the inquiry data size.\r | |
d716651f | 2378 | \r |
2379 | @retval EFI_SUCCESS The command was accepted without any errors.\r | |
2380 | @retval EFI_NOT_FOUND Device does not support this data class \r | |
2381 | @retval EFI_DEVICE_ERROR Error reading InquiryData from device \r | |
2382 | @retval EFI_BUFFER_TOO_SMALL InquiryDataSize not big enough \r | |
2383 | \r | |
2384 | **/\r | |
2385 | EFI_STATUS\r | |
2386 | EFIAPI\r | |
2387 | ScsiDiskInfoInquiry (\r | |
2388 | IN EFI_DISK_INFO_PROTOCOL *This,\r | |
2389 | IN OUT VOID *InquiryData,\r | |
2390 | IN OUT UINT32 *InquiryDataSize\r | |
2391 | )\r | |
2392 | {\r | |
2393 | EFI_STATUS Status;\r | |
2394 | SCSI_DISK_DEV *ScsiDiskDevice;\r | |
2395 | \r | |
2396 | ScsiDiskDevice = SCSI_DISK_DEV_FROM_DISKINFO (This);\r | |
2397 | \r | |
2398 | Status = EFI_BUFFER_TOO_SMALL;\r | |
2399 | if (*InquiryDataSize >= sizeof (ScsiDiskDevice->InquiryData)) {\r | |
2400 | Status = EFI_SUCCESS;\r | |
2401 | CopyMem (InquiryData, &ScsiDiskDevice->InquiryData, sizeof (ScsiDiskDevice->InquiryData));\r | |
2402 | }\r | |
2403 | *InquiryDataSize = sizeof (ScsiDiskDevice->InquiryData);\r | |
2404 | return Status;\r | |
2405 | }\r | |
2406 | \r | |
2407 | \r | |
2408 | /**\r | |
2409 | Provides identify information for the controller type.\r | |
2410 | \r | |
2411 | This function is used by the IDE bus driver to get identify data. Data format\r | |
2412 | of Identify data is defined by the Interface GUID.\r | |
2413 | \r | |
4140a663 | 2414 | @param[in] This Pointer to the EFI_DISK_INFO_PROTOCOL \r |
d716651f | 2415 | instance.\r |
4140a663 | 2416 | @param[in, out] IdentifyData Pointer to a buffer for the identify data.\r |
2417 | @param[in, out] IdentifyDataSize Pointer to the value for the identify data\r | |
d716651f | 2418 | size.\r |
2419 | \r | |
2420 | @retval EFI_SUCCESS The command was accepted without any errors.\r | |
2421 | @retval EFI_NOT_FOUND Device does not support this data class \r | |
2422 | @retval EFI_DEVICE_ERROR Error reading IdentifyData from device \r | |
2423 | @retval EFI_BUFFER_TOO_SMALL IdentifyDataSize not big enough \r | |
2424 | \r | |
2425 | **/\r | |
2426 | EFI_STATUS\r | |
2427 | EFIAPI\r | |
2428 | ScsiDiskInfoIdentify (\r | |
2429 | IN EFI_DISK_INFO_PROTOCOL *This,\r | |
2430 | IN OUT VOID *IdentifyData,\r | |
2431 | IN OUT UINT32 *IdentifyDataSize\r | |
2432 | )\r | |
2433 | {\r | |
2434 | EFI_STATUS Status;\r | |
2435 | SCSI_DISK_DEV *ScsiDiskDevice;\r | |
2436 | \r | |
2437 | if (CompareGuid (&This->Interface, &gEfiDiskInfoScsiInterfaceGuid)) {\r | |
2438 | //\r | |
2439 | // Physical SCSI bus does not support this data class. \r | |
2440 | //\r | |
2441 | return EFI_NOT_FOUND;\r | |
2442 | }\r | |
2443 | \r | |
2444 | ScsiDiskDevice = SCSI_DISK_DEV_FROM_DISKINFO (This);\r | |
2445 | \r | |
2446 | Status = EFI_BUFFER_TOO_SMALL;\r | |
2447 | if (*IdentifyDataSize >= sizeof (ScsiDiskDevice->IdentifyData)) {\r | |
2448 | Status = EFI_SUCCESS;\r | |
2449 | CopyMem (IdentifyData, &ScsiDiskDevice->IdentifyData, sizeof (ScsiDiskDevice->IdentifyData));\r | |
2450 | }\r | |
2451 | *IdentifyDataSize = sizeof (ScsiDiskDevice->IdentifyData);\r | |
2452 | return Status;\r | |
2453 | }\r | |
2454 | \r | |
2455 | /**\r | |
2456 | Provides sense data information for the controller type.\r | |
2457 | \r | |
2458 | This function is used by the IDE bus driver to get sense data. \r | |
2459 | Data format of Sense data is defined by the Interface GUID.\r | |
2460 | \r | |
4140a663 | 2461 | @param[in] This Pointer to the EFI_DISK_INFO_PROTOCOL instance.\r |
2462 | @param[in, out] SenseData Pointer to the SenseData.\r | |
2463 | @param[in, out] SenseDataSize Size of SenseData in bytes.\r | |
2464 | @param[out] SenseDataNumber Pointer to the value for the sense data size.\r | |
d716651f | 2465 | \r |
2466 | @retval EFI_SUCCESS The command was accepted without any errors.\r | |
2467 | @retval EFI_NOT_FOUND Device does not support this data class.\r | |
2468 | @retval EFI_DEVICE_ERROR Error reading SenseData from device.\r | |
2469 | @retval EFI_BUFFER_TOO_SMALL SenseDataSize not big enough.\r | |
2470 | \r | |
2471 | **/\r | |
2472 | EFI_STATUS\r | |
2473 | EFIAPI\r | |
2474 | ScsiDiskInfoSenseData (\r | |
2475 | IN EFI_DISK_INFO_PROTOCOL *This,\r | |
2476 | IN OUT VOID *SenseData,\r | |
2477 | IN OUT UINT32 *SenseDataSize,\r | |
2478 | OUT UINT8 *SenseDataNumber\r | |
2479 | )\r | |
2480 | {\r | |
2481 | return EFI_NOT_FOUND;\r | |
2482 | }\r | |
2483 | \r | |
2484 | \r | |
2485 | /**\r | |
2486 | This function is used by the IDE bus driver to get controller information.\r | |
2487 | \r | |
2488 | @param[in] This Pointer to the EFI_DISK_INFO_PROTOCOL instance. \r | |
2489 | @param[out] IdeChannel Pointer to the Ide Channel number. Primary or secondary.\r | |
2490 | @param[out] IdeDevice Pointer to the Ide Device number. Master or slave.\r | |
2491 | \r | |
2492 | @retval EFI_SUCCESS IdeChannel and IdeDevice are valid.\r | |
2493 | @retval EFI_UNSUPPORTED This is not an IDE device.\r | |
2494 | \r | |
2495 | **/\r | |
2496 | EFI_STATUS\r | |
2497 | EFIAPI\r | |
2498 | ScsiDiskInfoWhichIde (\r | |
2499 | IN EFI_DISK_INFO_PROTOCOL *This,\r | |
2500 | OUT UINT32 *IdeChannel,\r | |
2501 | OUT UINT32 *IdeDevice\r | |
2502 | )\r | |
2503 | {\r | |
2504 | SCSI_DISK_DEV *ScsiDiskDevice;\r | |
2505 | \r | |
2506 | if (CompareGuid (&This->Interface, &gEfiDiskInfoScsiInterfaceGuid)) {\r | |
2507 | //\r | |
2508 | // This is not an IDE physical device.\r | |
2509 | //\r | |
2510 | return EFI_UNSUPPORTED;\r | |
2511 | }\r | |
2512 | \r | |
2513 | ScsiDiskDevice = SCSI_DISK_DEV_FROM_DISKINFO (This);\r | |
2514 | *IdeChannel = ScsiDiskDevice->Channel;\r | |
2515 | *IdeDevice = ScsiDiskDevice->Device;\r | |
2516 | \r | |
2517 | return EFI_SUCCESS;\r | |
2518 | }\r | |
2519 | \r | |
2520 | \r | |
2521 | /**\r | |
2522 | Issues ATA IDENTIFY DEVICE command to identify ATAPI device.\r | |
2523 | \r | |
2524 | This function tries to fill 512-byte ATAPI_IDENTIFY_DATA for ATAPI device to\r | |
2525 | implement Identify() interface for DiskInfo protocol. The ATA command is sent\r | |
2526 | via SCSI Request Packet.\r | |
2527 | \r | |
2528 | @param ScsiDiskDevice The pointer of SCSI_DISK_DEV\r | |
2529 | \r | |
2530 | @retval EFI_SUCCESS The ATAPI device identify data were retrieved successfully.\r | |
2531 | @retval others Some error occurred during the identification that ATAPI device.\r | |
2532 | \r | |
2533 | **/ \r | |
2534 | EFI_STATUS\r | |
2535 | AtapiIdentifyDevice (\r | |
2536 | IN OUT SCSI_DISK_DEV *ScsiDiskDevice\r | |
2537 | )\r | |
2538 | {\r | |
2539 | EFI_SCSI_IO_SCSI_REQUEST_PACKET CommandPacket;\r | |
2540 | UINT8 Cdb[6];\r | |
2541 | \r | |
2542 | //\r | |
2543 | // Initialize SCSI REQUEST_PACKET and 6-byte Cdb\r | |
2544 | //\r | |
2545 | ZeroMem (&CommandPacket, sizeof (CommandPacket));\r | |
2546 | ZeroMem (Cdb, sizeof (Cdb));\r | |
2547 | \r | |
2548 | Cdb[0] = ATA_CMD_IDENTIFY_DEVICE;\r | |
2549 | CommandPacket.Timeout = EFI_TIMER_PERIOD_SECONDS (1);\r | |
2550 | CommandPacket.Cdb = Cdb;\r | |
2551 | CommandPacket.CdbLength = sizeof (Cdb);\r | |
2552 | CommandPacket.InDataBuffer = &ScsiDiskDevice->IdentifyData;\r | |
2553 | CommandPacket.InTransferLength = sizeof (ScsiDiskDevice->IdentifyData);\r | |
2554 | \r | |
2555 | return ScsiDiskDevice->ScsiIo->ExecuteScsiCommand (ScsiDiskDevice->ScsiIo, &CommandPacket, NULL);\r | |
2556 | }\r | |
2557 | \r | |
2558 | \r | |
2559 | /**\r | |
2560 | Initialize the installation of DiskInfo protocol.\r | |
2561 | \r | |
2562 | This function prepares for the installation of DiskInfo protocol on the child handle.\r | |
2563 | By default, it installs DiskInfo protocol with SCSI interface GUID. If it further\r | |
2564 | detects that the physical device is an ATAPI/AHCI device, it then updates interface GUID\r | |
2565 | to be IDE/AHCI interface GUID.\r | |
2566 | \r | |
2567 | @param ScsiDiskDevice The pointer of SCSI_DISK_DEV.\r | |
2568 | @param ChildHandle Child handle to install DiskInfo protocol.\r | |
2569 | \r | |
2570 | **/ \r | |
2571 | VOID\r | |
2572 | InitializeInstallDiskInfo (\r | |
2573 | IN SCSI_DISK_DEV *ScsiDiskDevice,\r | |
2574 | IN EFI_HANDLE ChildHandle\r | |
2575 | )\r | |
2576 | {\r | |
2577 | EFI_STATUS Status;\r | |
2578 | EFI_DEVICE_PATH_PROTOCOL *DevicePathNode;\r | |
2579 | EFI_DEVICE_PATH_PROTOCOL *ChildDevicePathNode;\r | |
2580 | ATAPI_DEVICE_PATH *AtapiDevicePath;\r | |
2581 | SATA_DEVICE_PATH *SataDevicePath;\r | |
2582 | UINTN IdentifyRetry;\r | |
2583 | \r | |
2584 | Status = gBS->HandleProtocol (ChildHandle, &gEfiDevicePathProtocolGuid, (VOID **) &DevicePathNode);\r | |
2585 | //\r | |
2586 | // Device Path protocol must be installed on the device handle. \r | |
2587 | //\r | |
2588 | ASSERT_EFI_ERROR (Status);\r | |
2589 | //\r | |
2590 | // Copy the DiskInfo protocol template.\r | |
2591 | //\r | |
2592 | CopyMem (&ScsiDiskDevice->DiskInfo, &gScsiDiskInfoProtocolTemplate, sizeof (gScsiDiskInfoProtocolTemplate));\r | |
2593 | \r | |
2594 | while (!IsDevicePathEnd (DevicePathNode)) {\r | |
2595 | ChildDevicePathNode = NextDevicePathNode (DevicePathNode);\r | |
2596 | if ((DevicePathType (DevicePathNode) == HARDWARE_DEVICE_PATH) &&\r | |
2597 | (DevicePathSubType (DevicePathNode) == HW_PCI_DP) &&\r | |
2598 | (DevicePathType (ChildDevicePathNode) == MESSAGING_DEVICE_PATH) &&\r | |
2599 | ((DevicePathSubType (ChildDevicePathNode) == MSG_ATAPI_DP) ||\r | |
2600 | (DevicePathSubType (ChildDevicePathNode) == MSG_SATA_DP))) {\r | |
2601 | \r | |
2602 | IdentifyRetry = 3;\r | |
2603 | do {\r | |
2604 | //\r | |
2605 | // Issue ATA Identify Device Command via SCSI command, which is required to publish DiskInfo protocol\r | |
2606 | // with IDE/AHCI interface GUID.\r | |
2607 | //\r | |
2608 | Status = AtapiIdentifyDevice (ScsiDiskDevice);\r | |
2609 | if (!EFI_ERROR (Status)) {\r | |
2610 | if (DevicePathSubType(ChildDevicePathNode) == MSG_ATAPI_DP) {\r | |
2611 | //\r | |
2612 | // We find the valid ATAPI device path\r | |
2613 | //\r | |
2614 | AtapiDevicePath = (ATAPI_DEVICE_PATH *) ChildDevicePathNode;\r | |
2615 | ScsiDiskDevice->Channel = AtapiDevicePath->PrimarySecondary;\r | |
2616 | ScsiDiskDevice->Device = AtapiDevicePath->SlaveMaster;\r | |
2617 | //\r | |
2618 | // Update the DiskInfo.Interface to IDE interface GUID for the physical ATAPI device. \r | |
2619 | //\r | |
2620 | CopyGuid (&ScsiDiskDevice->DiskInfo.Interface, &gEfiDiskInfoIdeInterfaceGuid);\r | |
2621 | } else {\r | |
2622 | //\r | |
2623 | // We find the valid SATA device path\r | |
2624 | //\r | |
2625 | SataDevicePath = (SATA_DEVICE_PATH *) ChildDevicePathNode;\r | |
2626 | ScsiDiskDevice->Channel = SataDevicePath->HBAPortNumber;\r | |
2627 | ScsiDiskDevice->Device = SataDevicePath->PortMultiplierPortNumber;\r | |
2628 | //\r | |
2629 | // Update the DiskInfo.Interface to AHCI interface GUID for the physical AHCI device. \r | |
2630 | //\r | |
2631 | CopyGuid (&ScsiDiskDevice->DiskInfo.Interface, &gEfiDiskInfoAhciInterfaceGuid);\r | |
2632 | }\r | |
2633 | return;\r | |
2634 | }\r | |
2635 | } while (--IdentifyRetry > 0);\r | |
2636 | }\r | |
2637 | DevicePathNode = ChildDevicePathNode;\r | |
2638 | }\r | |
2639 | \r | |
2640 | return;\r | |
2641 | }\r |