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3b2dbece | 1 | /** @file\r |
2 | SCSI disk driver that layers on every SCSI IO protocol in the system.\r | |
6ad55b15 | 3 | \r |
fcf5e49d | 4 | Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>\r |
cd5ebaa0 | 5 | This program and the accompanying materials\r |
3b2dbece | 6 | are licensed and made available under the terms and conditions of the BSD License\r |
7 | which accompanies this distribution. The full text of the license may be found at\r | |
8 | http://opensource.org/licenses/bsd-license.php\r | |
6ad55b15 | 9 | \r |
3b2dbece | 10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
6ad55b15 | 12 | \r |
3b2dbece | 13 | **/\r |
ed7748fe | 14 | \r |
6ad55b15 | 15 | \r |
16 | #include "ScsiDisk.h"\r | |
17 | \r | |
18 | EFI_DRIVER_BINDING_PROTOCOL gScsiDiskDriverBinding = {\r | |
19 | ScsiDiskDriverBindingSupported,\r | |
20 | ScsiDiskDriverBindingStart,\r | |
21 | ScsiDiskDriverBindingStop,\r | |
22 | 0xa,\r | |
23 | NULL,\r | |
24 | NULL\r | |
25 | };\r | |
26 | \r | |
d716651f | 27 | EFI_DISK_INFO_PROTOCOL gScsiDiskInfoProtocolTemplate = {\r |
28 | EFI_DISK_INFO_SCSI_INTERFACE_GUID,\r | |
29 | ScsiDiskInfoInquiry,\r | |
30 | ScsiDiskInfoIdentify,\r | |
31 | ScsiDiskInfoSenseData,\r | |
32 | ScsiDiskInfoWhichIde\r | |
33 | };\r | |
9b38ff34 | 34 | \r |
6ad55b15 | 35 | /**\r |
9beb888e | 36 | The user Entry Point for module ScsiDisk.\r |
37 | \r | |
38 | The user code starts with this function.\r | |
6ad55b15 | 39 | \r |
9beb888e | 40 | @param ImageHandle The firmware allocated handle for the EFI image. \r |
41 | @param SystemTable A pointer to the EFI System Table.\r | |
6ad55b15 | 42 | \r |
43 | @retval EFI_SUCCESS The entry point is executed successfully.\r | |
44 | @retval other Some error occurs when executing this entry point.\r | |
45 | \r | |
46 | **/\r | |
47 | EFI_STATUS\r | |
48 | EFIAPI\r | |
49 | InitializeScsiDisk(\r | |
50 | IN EFI_HANDLE ImageHandle,\r | |
51 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
52 | )\r | |
53 | {\r | |
54 | EFI_STATUS Status;\r | |
55 | \r | |
56 | //\r | |
57 | // Install driver model protocol(s).\r | |
58 | //\r | |
70da5bc2 | 59 | Status = EfiLibInstallDriverBindingComponentName2 (\r |
6ad55b15 | 60 | ImageHandle,\r |
61 | SystemTable,\r | |
62 | &gScsiDiskDriverBinding,\r | |
63 | ImageHandle,\r | |
64 | &gScsiDiskComponentName,\r | |
70da5bc2 | 65 | &gScsiDiskComponentName2\r |
6ad55b15 | 66 | );\r |
67 | ASSERT_EFI_ERROR (Status);\r | |
68 | \r | |
69 | \r | |
70 | return Status;\r | |
71 | }\r | |
72 | \r | |
9beb888e | 73 | /**\r |
74 | Test to see if this driver supports ControllerHandle.\r | |
75 | \r | |
76 | This service is called by the EFI boot service ConnectController(). In order\r | |
77 | to make drivers as small as possible, there are a few calling restrictions for\r | |
78 | this service. ConnectController() must follow these calling restrictions.\r | |
79 | If any other agent wishes to call Supported() it must also follow these\r | |
80 | calling restrictions.\r | |
81 | \r | |
82 | @param This Protocol instance pointer.\r | |
83 | @param ControllerHandle Handle of device to test\r | |
84 | @param RemainingDevicePath Optional parameter use to pick a specific child\r | |
85 | device to start.\r | |
86 | \r | |
87 | @retval EFI_SUCCESS This driver supports this device\r | |
88 | @retval EFI_ALREADY_STARTED This driver is already running on this device\r | |
89 | @retval other This driver does not support this device\r | |
90 | \r | |
91 | **/\r | |
6ad55b15 | 92 | EFI_STATUS\r |
93 | EFIAPI\r | |
94 | ScsiDiskDriverBindingSupported (\r | |
95 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
96 | IN EFI_HANDLE Controller,\r | |
9beb888e | 97 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL\r |
6ad55b15 | 98 | )\r |
6ad55b15 | 99 | {\r |
100 | EFI_STATUS Status;\r | |
101 | EFI_SCSI_IO_PROTOCOL *ScsiIo;\r | |
102 | UINT8 DeviceType;\r | |
103 | \r | |
104 | Status = gBS->OpenProtocol (\r | |
105 | Controller,\r | |
106 | &gEfiScsiIoProtocolGuid,\r | |
107 | (VOID **) &ScsiIo,\r | |
108 | This->DriverBindingHandle,\r | |
109 | Controller,\r | |
110 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
111 | );\r | |
112 | if (EFI_ERROR (Status)) {\r | |
113 | return Status;\r | |
114 | }\r | |
115 | \r | |
116 | Status = ScsiIo->GetDeviceType (ScsiIo, &DeviceType);\r | |
117 | if (!EFI_ERROR (Status)) {\r | |
118 | if ((DeviceType == EFI_SCSI_TYPE_DISK) || (DeviceType == EFI_SCSI_TYPE_CDROM)) {\r | |
119 | Status = EFI_SUCCESS;\r | |
120 | } else {\r | |
121 | Status = EFI_UNSUPPORTED;\r | |
122 | }\r | |
123 | }\r | |
124 | \r | |
125 | gBS->CloseProtocol (\r | |
f36d6e66 | 126 | Controller,\r |
127 | &gEfiScsiIoProtocolGuid,\r | |
128 | This->DriverBindingHandle,\r | |
129 | Controller\r | |
130 | );\r | |
6ad55b15 | 131 | return Status;\r |
132 | }\r | |
133 | \r | |
9beb888e | 134 | \r |
135 | /**\r | |
136 | Start this driver on ControllerHandle.\r | |
137 | \r | |
138 | This service is called by the EFI boot service ConnectController(). In order\r | |
139 | to make drivers as small as possible, there are a few calling restrictions for\r | |
140 | this service. ConnectController() must follow these calling restrictions. If\r | |
141 | any other agent wishes to call Start() it must also follow these calling\r | |
142 | restrictions.\r | |
143 | \r | |
144 | @param This Protocol instance pointer.\r | |
145 | @param ControllerHandle Handle of device to bind driver to\r | |
146 | @param RemainingDevicePath Optional parameter use to pick a specific child\r | |
147 | device to start.\r | |
148 | \r | |
149 | @retval EFI_SUCCESS This driver is added to ControllerHandle\r | |
150 | @retval EFI_ALREADY_STARTED This driver is already running on ControllerHandle\r | |
151 | @retval other This driver does not support this device\r | |
152 | \r | |
153 | **/\r | |
6ad55b15 | 154 | EFI_STATUS\r |
155 | EFIAPI\r | |
156 | ScsiDiskDriverBindingStart (\r | |
157 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
158 | IN EFI_HANDLE Controller,\r | |
9beb888e | 159 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL\r |
6ad55b15 | 160 | )\r |
6ad55b15 | 161 | {\r |
162 | EFI_STATUS Status;\r | |
163 | EFI_SCSI_IO_PROTOCOL *ScsiIo;\r | |
164 | SCSI_DISK_DEV *ScsiDiskDevice;\r | |
165 | BOOLEAN Temp;\r | |
166 | UINT8 Index;\r | |
167 | UINT8 MaxRetry;\r | |
168 | BOOLEAN NeedRetry;\r | |
cbd2a4b3 | 169 | BOOLEAN MustReadCapacity;\r |
170 | \r | |
171 | MustReadCapacity = TRUE;\r | |
6ad55b15 | 172 | \r |
9b38ff34 | 173 | ScsiDiskDevice = (SCSI_DISK_DEV *) AllocateZeroPool (sizeof (SCSI_DISK_DEV));\r |
174 | if (ScsiDiskDevice == NULL) {\r | |
175 | return EFI_OUT_OF_RESOURCES;\r | |
6ad55b15 | 176 | }\r |
177 | \r | |
6ad55b15 | 178 | Status = gBS->OpenProtocol (\r |
179 | Controller,\r | |
180 | &gEfiScsiIoProtocolGuid,\r | |
181 | (VOID **) &ScsiIo,\r | |
182 | This->DriverBindingHandle,\r | |
183 | Controller,\r | |
184 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
185 | );\r | |
186 | if (EFI_ERROR (Status)) {\r | |
9b38ff34 | 187 | FreePool (ScsiDiskDevice);\r |
6ad55b15 | 188 | return Status;\r |
189 | }\r | |
190 | \r | |
191 | ScsiDiskDevice->Signature = SCSI_DISK_DEV_SIGNATURE;\r | |
192 | ScsiDiskDevice->ScsiIo = ScsiIo;\r | |
0e87144e | 193 | ScsiDiskDevice->BlkIo.Revision = EFI_BLOCK_IO_PROTOCOL_REVISION3;\r |
6ad55b15 | 194 | ScsiDiskDevice->BlkIo.Media = &ScsiDiskDevice->BlkIoMedia;\r |
195 | ScsiDiskDevice->BlkIo.Reset = ScsiDiskReset;\r | |
196 | ScsiDiskDevice->BlkIo.ReadBlocks = ScsiDiskReadBlocks;\r | |
197 | ScsiDiskDevice->BlkIo.WriteBlocks = ScsiDiskWriteBlocks;\r | |
198 | ScsiDiskDevice->BlkIo.FlushBlocks = ScsiDiskFlushBlocks;\r | |
199 | ScsiDiskDevice->Handle = Controller;\r | |
200 | \r | |
201 | ScsiIo->GetDeviceType (ScsiIo, &(ScsiDiskDevice->DeviceType));\r | |
202 | switch (ScsiDiskDevice->DeviceType) {\r | |
203 | case EFI_SCSI_TYPE_DISK:\r | |
204 | ScsiDiskDevice->BlkIo.Media->BlockSize = 0x200;\r | |
cbd2a4b3 | 205 | MustReadCapacity = TRUE;\r |
6ad55b15 | 206 | break;\r |
207 | \r | |
208 | case EFI_SCSI_TYPE_CDROM:\r | |
209 | ScsiDiskDevice->BlkIo.Media->BlockSize = 0x800;\r | |
cbd2a4b3 | 210 | MustReadCapacity = FALSE;\r |
6ad55b15 | 211 | break;\r |
212 | }\r | |
213 | //\r | |
214 | // The Sense Data Array's initial size is 6\r | |
215 | //\r | |
216 | ScsiDiskDevice->SenseDataNumber = 6;\r | |
9b38ff34 | 217 | ScsiDiskDevice->SenseData = (EFI_SCSI_SENSE_DATA *) AllocateZeroPool (\r |
218 | sizeof (EFI_SCSI_SENSE_DATA) * ScsiDiskDevice->SenseDataNumber\r | |
219 | );\r | |
220 | if (ScsiDiskDevice->SenseData == NULL) {\r | |
6ad55b15 | 221 | gBS->CloseProtocol (\r |
222 | Controller,\r | |
223 | &gEfiScsiIoProtocolGuid,\r | |
224 | This->DriverBindingHandle,\r | |
225 | Controller\r | |
226 | );\r | |
9b38ff34 | 227 | FreePool (ScsiDiskDevice);\r |
228 | return EFI_OUT_OF_RESOURCES;\r | |
6ad55b15 | 229 | }\r |
230 | \r | |
6ad55b15 | 231 | //\r |
dfe687ca | 232 | // Retrieve device information\r |
6ad55b15 | 233 | //\r |
234 | MaxRetry = 2;\r | |
235 | for (Index = 0; Index < MaxRetry; Index++) {\r | |
236 | Status = ScsiDiskInquiryDevice (ScsiDiskDevice, &NeedRetry);\r | |
237 | if (!EFI_ERROR (Status)) {\r | |
238 | break;\r | |
239 | }\r | |
240 | \r | |
241 | if (!NeedRetry) {\r | |
9b38ff34 | 242 | FreePool (ScsiDiskDevice->SenseData);\r |
6ad55b15 | 243 | gBS->CloseProtocol (\r |
f36d6e66 | 244 | Controller,\r |
245 | &gEfiScsiIoProtocolGuid,\r | |
246 | This->DriverBindingHandle,\r | |
247 | Controller\r | |
248 | );\r | |
9b38ff34 | 249 | FreePool (ScsiDiskDevice);\r |
6ad55b15 | 250 | return EFI_DEVICE_ERROR;\r |
251 | }\r | |
252 | }\r | |
253 | //\r | |
254 | // The second parameter "TRUE" means must\r | |
255 | // retrieve media capacity\r | |
256 | //\r | |
cbd2a4b3 | 257 | Status = ScsiDiskDetectMedia (ScsiDiskDevice, MustReadCapacity, &Temp);\r |
6ad55b15 | 258 | if (!EFI_ERROR (Status)) {\r |
d14faa52 | 259 | //\r |
260 | // Determine if Block IO should be produced on this controller handle\r | |
261 | //\r | |
262 | if (DetermineInstallBlockIo(Controller)) {\r | |
d716651f | 263 | InitializeInstallDiskInfo(ScsiDiskDevice, Controller);\r |
d14faa52 | 264 | Status = gBS->InstallMultipleProtocolInterfaces (\r |
265 | &Controller,\r | |
266 | &gEfiBlockIoProtocolGuid,\r | |
267 | &ScsiDiskDevice->BlkIo,\r | |
d716651f | 268 | &gEfiDiskInfoProtocolGuid,\r |
269 | &ScsiDiskDevice->DiskInfo,\r | |
d14faa52 | 270 | NULL\r |
271 | );\r | |
272 | if (!EFI_ERROR(Status)) {\r | |
273 | ScsiDiskDevice->ControllerNameTable = NULL;\r | |
274 | AddUnicodeString2 (\r | |
275 | "eng",\r | |
276 | gScsiDiskComponentName.SupportedLanguages,\r | |
277 | &ScsiDiskDevice->ControllerNameTable,\r | |
278 | L"SCSI Disk Device",\r | |
279 | TRUE\r | |
280 | );\r | |
281 | AddUnicodeString2 (\r | |
282 | "en",\r | |
283 | gScsiDiskComponentName2.SupportedLanguages,\r | |
284 | &ScsiDiskDevice->ControllerNameTable,\r | |
285 | L"SCSI Disk Device",\r | |
286 | FALSE\r | |
287 | );\r | |
288 | return EFI_SUCCESS;\r | |
289 | }\r | |
290 | } \r | |
6ad55b15 | 291 | }\r |
292 | \r | |
d14faa52 | 293 | gBS->FreePool (ScsiDiskDevice->SenseData);\r |
294 | gBS->FreePool (ScsiDiskDevice);\r | |
295 | gBS->CloseProtocol (\r | |
296 | Controller,\r | |
297 | &gEfiScsiIoProtocolGuid,\r | |
298 | This->DriverBindingHandle,\r | |
299 | Controller\r | |
300 | );\r | |
301 | return Status;\r | |
302 | \r | |
6ad55b15 | 303 | }\r |
304 | \r | |
9beb888e | 305 | \r |
306 | /**\r | |
307 | Stop this driver on ControllerHandle.\r | |
308 | \r | |
309 | This service is called by the EFI boot service DisconnectController().\r | |
310 | In order to make drivers as small as possible, there are a few calling\r | |
311 | restrictions for this service. DisconnectController() must follow these\r | |
312 | calling restrictions. If any other agent wishes to call Stop() it must\r | |
313 | also follow these calling restrictions.\r | |
314 | \r | |
315 | @param This Protocol instance pointer.\r | |
316 | @param ControllerHandle Handle of device to stop driver on\r | |
317 | @param NumberOfChildren Number of Handles in ChildHandleBuffer. If number of\r | |
318 | children is zero stop the entire bus driver.\r | |
319 | @param ChildHandleBuffer List of Child Handles to Stop.\r | |
320 | \r | |
321 | @retval EFI_SUCCESS This driver is removed ControllerHandle\r | |
322 | @retval other This driver was not removed from this device\r | |
323 | \r | |
324 | **/\r | |
6ad55b15 | 325 | EFI_STATUS\r |
326 | EFIAPI\r | |
327 | ScsiDiskDriverBindingStop (\r | |
328 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
329 | IN EFI_HANDLE Controller,\r | |
330 | IN UINTN NumberOfChildren,\r | |
9beb888e | 331 | IN EFI_HANDLE *ChildHandleBuffer OPTIONAL\r |
6ad55b15 | 332 | )\r |
6ad55b15 | 333 | {\r |
334 | EFI_BLOCK_IO_PROTOCOL *BlkIo;\r | |
335 | SCSI_DISK_DEV *ScsiDiskDevice;\r | |
336 | EFI_STATUS Status;\r | |
337 | \r | |
338 | Status = gBS->OpenProtocol (\r | |
339 | Controller,\r | |
340 | &gEfiBlockIoProtocolGuid,\r | |
341 | (VOID **) &BlkIo,\r | |
342 | This->DriverBindingHandle,\r | |
343 | Controller,\r | |
344 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
345 | );\r | |
346 | if (EFI_ERROR (Status)) {\r | |
347 | return Status;\r | |
348 | }\r | |
349 | \r | |
350 | ScsiDiskDevice = SCSI_DISK_DEV_FROM_THIS (BlkIo);\r | |
d716651f | 351 | Status = gBS->UninstallMultipleProtocolInterfaces (\r |
6ad55b15 | 352 | Controller,\r |
353 | &gEfiBlockIoProtocolGuid,\r | |
d716651f | 354 | &ScsiDiskDevice->BlkIo,\r |
355 | &gEfiDiskInfoProtocolGuid,\r | |
356 | &ScsiDiskDevice->DiskInfo,\r | |
357 | NULL\r | |
6ad55b15 | 358 | );\r |
359 | if (!EFI_ERROR (Status)) {\r | |
360 | gBS->CloseProtocol (\r | |
f36d6e66 | 361 | Controller,\r |
362 | &gEfiScsiIoProtocolGuid,\r | |
363 | This->DriverBindingHandle,\r | |
364 | Controller\r | |
365 | );\r | |
6ad55b15 | 366 | \r |
367 | ReleaseScsiDiskDeviceResources (ScsiDiskDevice);\r | |
368 | \r | |
369 | return EFI_SUCCESS;\r | |
370 | }\r | |
371 | //\r | |
372 | // errors met\r | |
373 | //\r | |
374 | return Status;\r | |
375 | }\r | |
376 | \r | |
9beb888e | 377 | /**\r |
378 | Reset SCSI Disk.\r | |
379 | \r | |
6ad55b15 | 380 | \r |
9beb888e | 381 | @param This The pointer of EFI_BLOCK_IO_PROTOCOL\r |
382 | @param ExtendedVerification The flag about if extend verificate\r | |
383 | \r | |
384 | @retval EFI_SUCCESS The device was reset.\r | |
385 | @retval EFI_DEVICE_ERROR The device is not functioning properly and could\r | |
386 | not be reset.\r | |
d716651f | 387 | @return EFI_STATUS is returned from EFI_SCSI_IO_PROTOCOL.ResetDevice().\r |
9beb888e | 388 | \r |
389 | **/\r | |
6ad55b15 | 390 | EFI_STATUS\r |
391 | EFIAPI\r | |
392 | ScsiDiskReset (\r | |
393 | IN EFI_BLOCK_IO_PROTOCOL *This,\r | |
394 | IN BOOLEAN ExtendedVerification\r | |
395 | )\r | |
6ad55b15 | 396 | {\r |
f36d6e66 | 397 | EFI_TPL OldTpl;\r |
6ad55b15 | 398 | SCSI_DISK_DEV *ScsiDiskDevice;\r |
399 | EFI_STATUS Status;\r | |
6ad55b15 | 400 | \r |
401 | OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r | |
402 | \r | |
403 | ScsiDiskDevice = SCSI_DISK_DEV_FROM_THIS (This);\r | |
404 | \r | |
405 | Status = ScsiDiskDevice->ScsiIo->ResetDevice (ScsiDiskDevice->ScsiIo);\r | |
406 | \r | |
c6e797ae | 407 | if (EFI_ERROR (Status)) {\r |
408 | Status = EFI_DEVICE_ERROR;\r | |
409 | goto Done;\r | |
410 | }\r | |
411 | \r | |
6ad55b15 | 412 | if (!ExtendedVerification) {\r |
413 | goto Done;\r | |
414 | }\r | |
415 | \r | |
416 | Status = ScsiDiskDevice->ScsiIo->ResetBus (ScsiDiskDevice->ScsiIo);\r | |
417 | \r | |
c6e797ae | 418 | if (EFI_ERROR (Status)) {\r |
419 | Status = EFI_DEVICE_ERROR;\r | |
420 | goto Done;\r | |
421 | }\r | |
422 | \r | |
6ad55b15 | 423 | Done:\r |
424 | gBS->RestoreTPL (OldTpl);\r | |
425 | return Status;\r | |
426 | }\r | |
427 | \r | |
9beb888e | 428 | /**\r |
429 | The function is to Read Block from SCSI Disk.\r | |
430 | \r | |
431 | @param This The pointer of EFI_BLOCK_IO_PROTOCOL.\r | |
432 | @param MediaId The Id of Media detected\r | |
433 | @param Lba The logic block address\r | |
434 | @param BufferSize The size of Buffer\r | |
435 | @param Buffer The buffer to fill the read out data\r | |
436 | \r | |
437 | @retval EFI_SUCCESS Successfully to read out block.\r | |
438 | @retval EFI_DEVICE_ERROR Fail to detect media.\r | |
439 | @retval EFI_NO_MEDIA Media is not present.\r | |
440 | @retval EFI_MEDIA_CHANGED Media has changed.\r | |
441 | @retval EFI_BAD_BUFFER_SIZE The Buffer was not a multiple of the block size of the device.\r | |
442 | @retval EFI_INVALID_PARAMETER Invalid parameter passed in.\r | |
443 | \r | |
444 | **/\r | |
6ad55b15 | 445 | EFI_STATUS\r |
446 | EFIAPI\r | |
447 | ScsiDiskReadBlocks (\r | |
448 | IN EFI_BLOCK_IO_PROTOCOL *This,\r | |
449 | IN UINT32 MediaId,\r | |
9beb888e | 450 | IN EFI_LBA Lba,\r |
6ad55b15 | 451 | IN UINTN BufferSize,\r |
452 | OUT VOID *Buffer\r | |
453 | )\r | |
6ad55b15 | 454 | {\r |
455 | SCSI_DISK_DEV *ScsiDiskDevice;\r | |
456 | EFI_BLOCK_IO_MEDIA *Media;\r | |
457 | EFI_STATUS Status;\r | |
458 | UINTN BlockSize;\r | |
459 | UINTN NumberOfBlocks;\r | |
460 | BOOLEAN MediaChange;\r | |
461 | EFI_TPL OldTpl;\r | |
462 | \r | |
fcf5e49d RN |
463 | MediaChange = FALSE;\r |
464 | OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r | |
6ad55b15 | 465 | ScsiDiskDevice = SCSI_DISK_DEV_FROM_THIS (This);\r |
466 | \r | |
9beb888e | 467 | if (!IS_DEVICE_FIXED(ScsiDiskDevice)) {\r |
6ad55b15 | 468 | \r |
469 | Status = ScsiDiskDetectMedia (ScsiDiskDevice, FALSE, &MediaChange);\r | |
470 | if (EFI_ERROR (Status)) {\r | |
471 | Status = EFI_DEVICE_ERROR;\r | |
472 | goto Done;\r | |
473 | }\r | |
474 | \r | |
475 | if (MediaChange) {\r | |
476 | gBS->ReinstallProtocolInterface (\r | |
477 | ScsiDiskDevice->Handle,\r | |
478 | &gEfiBlockIoProtocolGuid,\r | |
479 | &ScsiDiskDevice->BlkIo,\r | |
480 | &ScsiDiskDevice->BlkIo\r | |
481 | );\r | |
482 | }\r | |
483 | }\r | |
484 | //\r | |
485 | // Get the intrinsic block size\r | |
486 | //\r | |
487 | Media = ScsiDiskDevice->BlkIo.Media;\r | |
488 | BlockSize = Media->BlockSize;\r | |
489 | \r | |
490 | NumberOfBlocks = BufferSize / BlockSize;\r | |
491 | \r | |
492 | if (!(Media->MediaPresent)) {\r | |
493 | Status = EFI_NO_MEDIA;\r | |
494 | goto Done;\r | |
495 | }\r | |
496 | \r | |
497 | if (MediaId != Media->MediaId) {\r | |
498 | Status = EFI_MEDIA_CHANGED;\r | |
499 | goto Done;\r | |
500 | }\r | |
501 | \r | |
fcf5e49d RN |
502 | if (Buffer == NULL) {\r |
503 | Status = EFI_INVALID_PARAMETER;\r | |
504 | goto Done;\r | |
505 | }\r | |
506 | \r | |
507 | if (BufferSize == 0) {\r | |
508 | Status = EFI_SUCCESS;\r | |
509 | goto Done;\r | |
510 | }\r | |
511 | \r | |
6ad55b15 | 512 | if (BufferSize % BlockSize != 0) {\r |
513 | Status = EFI_BAD_BUFFER_SIZE;\r | |
514 | goto Done;\r | |
515 | }\r | |
516 | \r | |
9beb888e | 517 | if (Lba > Media->LastBlock) {\r |
6ad55b15 | 518 | Status = EFI_INVALID_PARAMETER;\r |
519 | goto Done;\r | |
520 | }\r | |
521 | \r | |
9beb888e | 522 | if ((Lba + NumberOfBlocks - 1) > Media->LastBlock) {\r |
6ad55b15 | 523 | Status = EFI_INVALID_PARAMETER;\r |
524 | goto Done;\r | |
525 | }\r | |
526 | \r | |
527 | if ((Media->IoAlign > 1) && (((UINTN) Buffer & (Media->IoAlign - 1)) != 0)) {\r | |
528 | Status = EFI_INVALID_PARAMETER;\r | |
529 | goto Done;\r | |
530 | }\r | |
f36d6e66 | 531 | \r |
6ad55b15 | 532 | //\r |
f36d6e66 | 533 | // If all the parameters are valid, then perform read sectors command\r |
6ad55b15 | 534 | // to transfer data from device to host.\r |
535 | //\r | |
9beb888e | 536 | Status = ScsiDiskReadSectors (ScsiDiskDevice, Buffer, Lba, NumberOfBlocks);\r |
6ad55b15 | 537 | \r |
538 | Done:\r | |
539 | gBS->RestoreTPL (OldTpl);\r | |
540 | return Status;\r | |
541 | }\r | |
542 | \r | |
9beb888e | 543 | /**\r |
544 | The function is to Write Block to SCSI Disk.\r | |
545 | \r | |
546 | @param This The pointer of EFI_BLOCK_IO_PROTOCOL\r | |
547 | @param MediaId The Id of Media detected\r | |
548 | @param Lba The logic block address\r | |
549 | @param BufferSize The size of Buffer\r | |
550 | @param Buffer The buffer to fill the read out data\r | |
551 | \r | |
552 | @retval EFI_SUCCESS Successfully to read out block.\r | |
553 | @retval EFI_WRITE_PROTECTED The device can not be written to.\r | |
554 | @retval EFI_DEVICE_ERROR Fail to detect media.\r | |
555 | @retval EFI_NO_MEDIA Media is not present.\r | |
556 | @retval EFI_MEDIA_CHNAGED Media has changed.\r | |
557 | @retval EFI_BAD_BUFFER_SIZE The Buffer was not a multiple of the block size of the device.\r | |
558 | @retval EFI_INVALID_PARAMETER Invalid parameter passed in.\r | |
559 | \r | |
560 | **/\r | |
6ad55b15 | 561 | EFI_STATUS\r |
562 | EFIAPI\r | |
563 | ScsiDiskWriteBlocks (\r | |
564 | IN EFI_BLOCK_IO_PROTOCOL *This,\r | |
565 | IN UINT32 MediaId,\r | |
9beb888e | 566 | IN EFI_LBA Lba,\r |
6ad55b15 | 567 | IN UINTN BufferSize,\r |
568 | IN VOID *Buffer\r | |
569 | )\r | |
6ad55b15 | 570 | {\r |
571 | SCSI_DISK_DEV *ScsiDiskDevice;\r | |
572 | EFI_BLOCK_IO_MEDIA *Media;\r | |
573 | EFI_STATUS Status;\r | |
574 | UINTN BlockSize;\r | |
575 | UINTN NumberOfBlocks;\r | |
576 | BOOLEAN MediaChange;\r | |
577 | EFI_TPL OldTpl;\r | |
578 | \r | |
fcf5e49d RN |
579 | MediaChange = FALSE;\r |
580 | OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r | |
6ad55b15 | 581 | ScsiDiskDevice = SCSI_DISK_DEV_FROM_THIS (This);\r |
582 | \r | |
9beb888e | 583 | if (!IS_DEVICE_FIXED(ScsiDiskDevice)) {\r |
6ad55b15 | 584 | \r |
585 | Status = ScsiDiskDetectMedia (ScsiDiskDevice, FALSE, &MediaChange);\r | |
586 | if (EFI_ERROR (Status)) {\r | |
587 | Status = EFI_DEVICE_ERROR;\r | |
588 | goto Done;\r | |
589 | }\r | |
590 | \r | |
591 | if (MediaChange) {\r | |
592 | gBS->ReinstallProtocolInterface (\r | |
593 | ScsiDiskDevice->Handle,\r | |
594 | &gEfiBlockIoProtocolGuid,\r | |
595 | &ScsiDiskDevice->BlkIo,\r | |
596 | &ScsiDiskDevice->BlkIo\r | |
597 | );\r | |
598 | }\r | |
599 | }\r | |
600 | //\r | |
601 | // Get the intrinsic block size\r | |
602 | //\r | |
603 | Media = ScsiDiskDevice->BlkIo.Media;\r | |
604 | BlockSize = Media->BlockSize;\r | |
605 | \r | |
606 | NumberOfBlocks = BufferSize / BlockSize;\r | |
607 | \r | |
608 | if (!(Media->MediaPresent)) {\r | |
609 | Status = EFI_NO_MEDIA;\r | |
610 | goto Done;\r | |
611 | }\r | |
612 | \r | |
613 | if (MediaId != Media->MediaId) {\r | |
614 | Status = EFI_MEDIA_CHANGED;\r | |
615 | goto Done;\r | |
616 | }\r | |
617 | \r | |
fcf5e49d RN |
618 | if (BufferSize == 0) {\r |
619 | Status = EFI_SUCCESS;\r | |
620 | goto Done;\r | |
621 | }\r | |
622 | \r | |
623 | if (Buffer == NULL) {\r | |
624 | Status = EFI_INVALID_PARAMETER;\r | |
625 | goto Done;\r | |
626 | }\r | |
627 | \r | |
6ad55b15 | 628 | if (BufferSize % BlockSize != 0) {\r |
629 | Status = EFI_BAD_BUFFER_SIZE;\r | |
630 | goto Done;\r | |
631 | }\r | |
632 | \r | |
9beb888e | 633 | if (Lba > Media->LastBlock) {\r |
6ad55b15 | 634 | Status = EFI_INVALID_PARAMETER;\r |
635 | goto Done;\r | |
636 | }\r | |
637 | \r | |
9beb888e | 638 | if ((Lba + NumberOfBlocks - 1) > Media->LastBlock) {\r |
6ad55b15 | 639 | Status = EFI_INVALID_PARAMETER;\r |
640 | goto Done;\r | |
641 | }\r | |
642 | \r | |
643 | if ((Media->IoAlign > 1) && (((UINTN) Buffer & (Media->IoAlign - 1)) != 0)) {\r | |
644 | Status = EFI_INVALID_PARAMETER;\r | |
645 | goto Done;\r | |
646 | }\r | |
647 | //\r | |
648 | // if all the parameters are valid, then perform read sectors command\r | |
649 | // to transfer data from device to host.\r | |
650 | //\r | |
9beb888e | 651 | Status = ScsiDiskWriteSectors (ScsiDiskDevice, Buffer, Lba, NumberOfBlocks);\r |
6ad55b15 | 652 | \r |
653 | Done:\r | |
654 | gBS->RestoreTPL (OldTpl);\r | |
6ad55b15 | 655 | return Status;\r |
656 | }\r | |
657 | \r | |
9beb888e | 658 | /**\r |
659 | Flush Block to Disk.\r | |
660 | \r | |
661 | EFI_SUCCESS is returned directly.\r | |
662 | \r | |
663 | @param This The pointer of EFI_BLOCK_IO_PROTOCOL\r | |
664 | \r | |
665 | @retval EFI_SUCCESS All outstanding data was written to the device\r | |
666 | \r | |
667 | **/\r | |
6ad55b15 | 668 | EFI_STATUS\r |
669 | EFIAPI\r | |
670 | ScsiDiskFlushBlocks (\r | |
671 | IN EFI_BLOCK_IO_PROTOCOL *This\r | |
672 | )\r | |
6ad55b15 | 673 | {\r |
674 | //\r | |
675 | // return directly\r | |
676 | //\r | |
677 | return EFI_SUCCESS;\r | |
678 | }\r | |
679 | \r | |
6ad55b15 | 680 | \r |
9beb888e | 681 | /**\r |
d716651f | 682 | Detect Device and read out capacity ,if error occurs, parse the sense key.\r |
6ad55b15 | 683 | \r |
9beb888e | 684 | @param ScsiDiskDevice The pointer of SCSI_DISK_DEV\r |
685 | @param MustReadCapacity The flag about reading device capacity\r | |
686 | @param MediaChange The pointer of flag indicates if media has changed \r | |
6ad55b15 | 687 | \r |
9beb888e | 688 | @retval EFI_DEVICE_ERROR Indicates that error occurs\r |
689 | @retval EFI_SUCCESS Successfully to detect media\r | |
6ad55b15 | 690 | \r |
9beb888e | 691 | **/\r |
692 | EFI_STATUS\r | |
693 | ScsiDiskDetectMedia (\r | |
694 | IN SCSI_DISK_DEV *ScsiDiskDevice,\r | |
695 | IN BOOLEAN MustReadCapacity,\r | |
696 | OUT BOOLEAN *MediaChange\r | |
697 | )\r | |
6ad55b15 | 698 | {\r |
699 | EFI_STATUS Status;\r | |
6ad55b15 | 700 | EFI_SCSI_SENSE_DATA *SenseData;\r |
701 | UINTN NumberOfSenseKeys;\r | |
702 | BOOLEAN NeedRetry;\r | |
703 | BOOLEAN NeedReadCapacity;\r | |
ae5dc795 | 704 | UINT8 Retry;\r |
6ad55b15 | 705 | UINT8 MaxRetry;\r |
706 | EFI_BLOCK_IO_MEDIA OldMedia;\r | |
707 | UINTN Action;\r | |
ae5dc795 | 708 | EFI_EVENT TimeoutEvt;\r |
6ad55b15 | 709 | \r |
710 | Status = EFI_SUCCESS;\r | |
6ad55b15 | 711 | SenseData = NULL;\r |
712 | NumberOfSenseKeys = 0;\r | |
ae5dc795 | 713 | Retry = 0;\r |
6ad55b15 | 714 | MaxRetry = 3;\r |
cbd2a4b3 | 715 | Action = ACTION_NO_ACTION;\r |
ae5dc795 | 716 | NeedReadCapacity = FALSE;\r |
717 | *MediaChange = FALSE;\r | |
718 | TimeoutEvt = NULL;\r | |
f36d6e66 | 719 | \r |
ae5dc795 | 720 | CopyMem (&OldMedia, ScsiDiskDevice->BlkIo.Media, sizeof (OldMedia));\r |
721 | \r | |
722 | Status = gBS->CreateEvent (\r | |
723 | EVT_TIMER,\r | |
724 | TPL_CALLBACK,\r | |
725 | NULL,\r | |
726 | NULL,\r | |
727 | &TimeoutEvt\r | |
728 | );\r | |
729 | if (EFI_ERROR (Status)) {\r | |
730 | return Status;\r | |
731 | }\r | |
732 | \r | |
733 | Status = gBS->SetTimer (TimeoutEvt, TimerRelative, EFI_TIMER_PERIOD_SECONDS(120));\r | |
734 | if (EFI_ERROR (Status)) {\r | |
735 | goto EXIT;\r | |
736 | }\r | |
737 | \r | |
738 | //\r | |
739 | // Sending Test_Unit cmd to poll device status.\r | |
740 | // If the sense data shows the drive is not ready or reset before, we need poll the device status again.\r | |
741 | // We limit the upper boundary to 120 seconds.\r | |
742 | //\r | |
743 | while (EFI_ERROR (gBS->CheckEvent (TimeoutEvt))) {\r | |
6ad55b15 | 744 | Status = ScsiDiskTestUnitReady (\r |
745 | ScsiDiskDevice,\r | |
746 | &NeedRetry,\r | |
747 | &SenseData,\r | |
748 | &NumberOfSenseKeys\r | |
749 | );\r | |
750 | if (!EFI_ERROR (Status)) {\r | |
cbd2a4b3 | 751 | Status = DetectMediaParsingSenseKeys (\r |
752 | ScsiDiskDevice,\r | |
753 | SenseData,\r | |
754 | NumberOfSenseKeys,\r | |
755 | &Action\r | |
756 | );\r | |
757 | if (EFI_ERROR (Status)) {\r | |
ae5dc795 | 758 | goto EXIT;\r |
cbd2a4b3 | 759 | } else if (Action == ACTION_RETRY_COMMAND_LATER) {\r |
760 | continue;\r | |
761 | } else {\r | |
762 | break;\r | |
763 | }\r | |
ae5dc795 | 764 | } else {\r |
765 | Retry++;\r | |
766 | if (!NeedRetry || (Retry >= MaxRetry)) {\r | |
767 | goto EXIT;\r | |
768 | }\r | |
6ad55b15 | 769 | }\r |
770 | }\r | |
771 | \r | |
ae5dc795 | 772 | if (EFI_ERROR (Status)) {\r |
773 | goto EXIT;\r | |
6ad55b15 | 774 | }\r |
775 | \r | |
6ad55b15 | 776 | //\r |
777 | // ACTION_NO_ACTION: need not read capacity\r | |
778 | // other action code: need read capacity\r | |
779 | //\r | |
cbd2a4b3 | 780 | if (Action == ACTION_READ_CAPACITY) {\r |
6ad55b15 | 781 | NeedReadCapacity = TRUE;\r |
782 | }\r | |
f36d6e66 | 783 | \r |
6ad55b15 | 784 | //\r |
785 | // either NeedReadCapacity is TRUE, or MustReadCapacity is TRUE,\r | |
786 | // retrieve capacity via Read Capacity command\r | |
787 | //\r | |
788 | if (NeedReadCapacity || MustReadCapacity) {\r | |
6ad55b15 | 789 | //\r |
790 | // retrieve media information\r | |
791 | //\r | |
ae5dc795 | 792 | for (Retry = 0; Retry < MaxRetry; Retry++) {\r |
793 | Status = ScsiDiskReadCapacity (\r | |
794 | ScsiDiskDevice,\r | |
795 | &NeedRetry,\r | |
796 | &SenseData,\r | |
797 | &NumberOfSenseKeys\r | |
798 | );\r | |
799 | if (!EFI_ERROR (Status)) {\r | |
6ad55b15 | 800 | //\r |
ae5dc795 | 801 | // analyze sense key to action\r |
6ad55b15 | 802 | //\r |
ae5dc795 | 803 | Status = DetectMediaParsingSenseKeys (\r |
804 | ScsiDiskDevice,\r | |
805 | SenseData,\r | |
806 | NumberOfSenseKeys,\r | |
807 | &Action\r | |
808 | );\r | |
809 | if (EFI_ERROR (Status)) {\r | |
810 | //\r | |
811 | // if Status is error, it may indicate crisis error,\r | |
812 | // so return without retry.\r | |
813 | //\r | |
814 | goto EXIT;\r | |
815 | } else if (Action == ACTION_RETRY_COMMAND_LATER) {\r | |
816 | Retry = 0;\r | |
817 | continue;\r | |
818 | } else {\r | |
819 | break;\r | |
820 | }\r | |
821 | } else { \r | |
822 | Retry++;\r | |
823 | if (!NeedRetry || (Retry >= MaxRetry)) {\r | |
824 | goto EXIT;\r | |
825 | }\r | |
6ad55b15 | 826 | }\r |
827 | }\r | |
828 | \r | |
ae5dc795 | 829 | if (EFI_ERROR (Status)) {\r |
830 | goto EXIT;\r | |
6ad55b15 | 831 | }\r |
832 | }\r | |
833 | \r | |
834 | if (ScsiDiskDevice->BlkIo.Media->MediaId != OldMedia.MediaId) {\r | |
835 | //\r | |
836 | // Media change information got from the device\r | |
837 | //\r | |
838 | *MediaChange = TRUE;\r | |
839 | }\r | |
840 | \r | |
841 | if (ScsiDiskDevice->BlkIo.Media->ReadOnly != OldMedia.ReadOnly) {\r | |
842 | *MediaChange = TRUE;\r | |
843 | ScsiDiskDevice->BlkIo.Media->MediaId += 1;\r | |
844 | }\r | |
845 | \r | |
846 | if (ScsiDiskDevice->BlkIo.Media->BlockSize != OldMedia.BlockSize) {\r | |
847 | *MediaChange = TRUE;\r | |
848 | ScsiDiskDevice->BlkIo.Media->MediaId += 1;\r | |
849 | }\r | |
850 | \r | |
851 | if (ScsiDiskDevice->BlkIo.Media->LastBlock != OldMedia.LastBlock) {\r | |
852 | *MediaChange = TRUE;\r | |
853 | ScsiDiskDevice->BlkIo.Media->MediaId += 1;\r | |
854 | }\r | |
855 | \r | |
856 | if (ScsiDiskDevice->BlkIo.Media->MediaPresent != OldMedia.MediaPresent) {\r | |
857 | if (ScsiDiskDevice->BlkIo.Media->MediaPresent) {\r | |
858 | //\r | |
859 | // when change from no media to media present, reset the MediaId to 1.\r | |
860 | //\r | |
861 | ScsiDiskDevice->BlkIo.Media->MediaId = 1;\r | |
862 | } else {\r | |
863 | //\r | |
864 | // when no media, reset the MediaId to zero.\r | |
865 | //\r | |
866 | ScsiDiskDevice->BlkIo.Media->MediaId = 0;\r | |
867 | }\r | |
868 | \r | |
869 | *MediaChange = TRUE;\r | |
870 | }\r | |
871 | \r | |
ae5dc795 | 872 | EXIT:\r |
873 | if (TimeoutEvt != NULL) {\r | |
874 | gBS->CloseEvent (TimeoutEvt);\r | |
875 | }\r | |
876 | return Status;\r | |
6ad55b15 | 877 | }\r |
878 | \r | |
6ad55b15 | 879 | \r |
9beb888e | 880 | /**\r |
881 | Send out Inquiry command to Device.\r | |
6ad55b15 | 882 | \r |
9beb888e | 883 | @param ScsiDiskDevice The pointer of SCSI_DISK_DEV\r |
884 | @param NeedRetry Indicates if needs try again when error happens\r | |
6ad55b15 | 885 | \r |
9beb888e | 886 | @retval EFI_DEVICE_ERROR Indicates that error occurs\r |
887 | @retval EFI_SUCCESS Successfully to detect media\r | |
6ad55b15 | 888 | \r |
9beb888e | 889 | **/\r |
890 | EFI_STATUS\r | |
891 | ScsiDiskInquiryDevice (\r | |
892 | IN OUT SCSI_DISK_DEV *ScsiDiskDevice,\r | |
893 | OUT BOOLEAN *NeedRetry\r | |
894 | )\r | |
6ad55b15 | 895 | {\r |
0e87144e RN |
896 | UINT32 InquiryDataLength;\r |
897 | UINT8 SenseDataLength;\r | |
898 | UINT8 HostAdapterStatus;\r | |
899 | UINT8 TargetStatus;\r | |
900 | EFI_SCSI_SENSE_DATA *SenseDataArray;\r | |
901 | UINTN NumberOfSenseKeys;\r | |
902 | EFI_STATUS Status;\r | |
903 | UINT8 MaxRetry;\r | |
904 | UINT8 Index;\r | |
905 | EFI_SCSI_SUPPORTED_VPD_PAGES_VPD_PAGE SupportedVpdPages;\r | |
906 | EFI_SCSI_BLOCK_LIMITS_VPD_PAGE BlockLimits;\r | |
907 | UINTN PageLength;\r | |
6ad55b15 | 908 | \r |
909 | InquiryDataLength = sizeof (EFI_SCSI_INQUIRY_DATA);\r | |
910 | SenseDataLength = 0;\r | |
911 | \r | |
d35be2a4 | 912 | Status = ScsiInquiryCommand (\r |
6ad55b15 | 913 | ScsiDiskDevice->ScsiIo,\r |
e72a3b3e | 914 | EFI_TIMER_PERIOD_SECONDS (1),\r |
6ad55b15 | 915 | NULL,\r |
916 | &SenseDataLength,\r | |
917 | &HostAdapterStatus,\r | |
918 | &TargetStatus,\r | |
919 | (VOID *) &(ScsiDiskDevice->InquiryData),\r | |
920 | &InquiryDataLength,\r | |
921 | FALSE\r | |
922 | );\r | |
6ad55b15 | 923 | //\r |
924 | // no need to check HostAdapterStatus and TargetStatus\r | |
925 | //\r | |
f36d6e66 | 926 | if ((Status == EFI_SUCCESS) || (Status == EFI_WARN_BUFFER_TOO_SMALL)) {\r |
0e87144e RN |
927 | ParseInquiryData (ScsiDiskDevice);\r |
928 | \r | |
929 | if (ScsiDiskDevice->DeviceType == EFI_SCSI_TYPE_DISK) {\r | |
930 | //\r | |
931 | // Check whether the device supports Block Limits VPD page (0xB0)\r | |
932 | //\r | |
933 | ZeroMem (&SupportedVpdPages, sizeof (SupportedVpdPages));\r | |
934 | InquiryDataLength = sizeof (SupportedVpdPages);\r | |
935 | SenseDataLength = 0;\r | |
936 | Status = ScsiInquiryCommandEx (\r | |
937 | ScsiDiskDevice->ScsiIo,\r | |
938 | EFI_TIMER_PERIOD_SECONDS (1),\r | |
939 | NULL,\r | |
940 | &SenseDataLength,\r | |
941 | &HostAdapterStatus,\r | |
942 | &TargetStatus,\r | |
943 | (VOID *) &SupportedVpdPages,\r | |
944 | &InquiryDataLength,\r | |
945 | TRUE,\r | |
946 | EFI_SCSI_PAGE_CODE_SUPPORTED_VPD\r | |
947 | );\r | |
948 | if (!EFI_ERROR (Status)) {\r | |
949 | PageLength = (SupportedVpdPages.PageLength2 << 8)\r | |
950 | | SupportedVpdPages.PageLength1;\r | |
951 | for (Index = 0; Index < PageLength; Index++) {\r | |
952 | if (SupportedVpdPages.SupportedVpdPageList[Index] == EFI_SCSI_PAGE_CODE_BLOCK_LIMITS_VPD) {\r | |
953 | break;\r | |
954 | }\r | |
955 | }\r | |
956 | \r | |
957 | //\r | |
958 | // Query the Block Limits VPD page\r | |
959 | //\r | |
960 | if (Index < PageLength) {\r | |
961 | ZeroMem (&BlockLimits, sizeof (BlockLimits));\r | |
962 | InquiryDataLength = sizeof (BlockLimits);\r | |
963 | SenseDataLength = 0;\r | |
964 | Status = ScsiInquiryCommandEx (\r | |
965 | ScsiDiskDevice->ScsiIo,\r | |
966 | EFI_TIMER_PERIOD_SECONDS (1),\r | |
967 | NULL,\r | |
968 | &SenseDataLength,\r | |
969 | &HostAdapterStatus,\r | |
970 | &TargetStatus,\r | |
971 | (VOID *) &BlockLimits,\r | |
972 | &InquiryDataLength,\r | |
973 | TRUE,\r | |
974 | EFI_SCSI_PAGE_CODE_BLOCK_LIMITS_VPD\r | |
975 | );\r | |
976 | if (!EFI_ERROR (Status)) {\r | |
977 | ScsiDiskDevice->BlkIo.Media->OptimalTransferLengthGranularity = \r | |
978 | (BlockLimits.OptimalTransferLengthGranularity2 << 8) |\r | |
979 | BlockLimits.OptimalTransferLengthGranularity1;\r | |
980 | }\r | |
981 | }\r | |
982 | }\r | |
983 | }\r | |
984 | }\r | |
985 | \r | |
986 | if (!EFI_ERROR (Status)) {\r | |
987 | return EFI_SUCCESS;\r | |
988 | \r | |
989 | } else if (Status == EFI_NOT_READY) {\r | |
990 | *NeedRetry = TRUE;\r | |
991 | return EFI_DEVICE_ERROR;\r | |
f36d6e66 | 992 | \r |
0e87144e RN |
993 | } else if ((Status == EFI_INVALID_PARAMETER) || (Status == EFI_UNSUPPORTED)) {\r |
994 | *NeedRetry = FALSE;\r | |
995 | return EFI_DEVICE_ERROR;\r | |
996 | }\r | |
997 | //\r | |
998 | // go ahead to check HostAdapterStatus and TargetStatus\r | |
999 | // (EFI_TIMEOUT, EFI_DEVICE_ERROR)\r | |
1000 | //\r | |
1001 | \r | |
1002 | Status = CheckHostAdapterStatus (HostAdapterStatus);\r | |
1003 | if ((Status == EFI_TIMEOUT) || (Status == EFI_NOT_READY)) {\r | |
1004 | *NeedRetry = TRUE;\r | |
1005 | return EFI_DEVICE_ERROR;\r | |
1006 | } else if (Status == EFI_DEVICE_ERROR) {\r | |
f36d6e66 | 1007 | //\r |
1008 | // reset the scsi channel\r | |
1009 | //\r | |
6ad55b15 | 1010 | ScsiDiskDevice->ScsiIo->ResetBus (ScsiDiskDevice->ScsiIo);\r |
1011 | *NeedRetry = FALSE;\r | |
1012 | return EFI_DEVICE_ERROR;\r | |
1013 | }\r | |
1014 | \r | |
1015 | Status = CheckTargetStatus (TargetStatus);\r | |
1016 | if (Status == EFI_NOT_READY) {\r | |
1017 | //\r | |
1018 | // reset the scsi device\r | |
1019 | //\r | |
1020 | ScsiDiskDevice->ScsiIo->ResetDevice (ScsiDiskDevice->ScsiIo);\r | |
1021 | *NeedRetry = TRUE;\r | |
1022 | return EFI_DEVICE_ERROR;\r | |
f36d6e66 | 1023 | \r |
6ad55b15 | 1024 | } else if (Status == EFI_DEVICE_ERROR) {\r |
1025 | *NeedRetry = FALSE;\r | |
1026 | return EFI_DEVICE_ERROR;\r | |
1027 | }\r | |
1028 | \r | |
1029 | //\r | |
b96cd313 | 1030 | // if goes here, meant ScsiInquiryCommand() failed.\r |
6ad55b15 | 1031 | // if ScsiDiskRequestSenseKeys() succeeds at last,\r |
b96cd313 | 1032 | // better retry ScsiInquiryCommand(). (by setting *NeedRetry = TRUE)\r |
6ad55b15 | 1033 | //\r |
1034 | MaxRetry = 3;\r | |
1035 | for (Index = 0; Index < MaxRetry; Index++) {\r | |
6ad55b15 | 1036 | Status = ScsiDiskRequestSenseKeys (\r |
1037 | ScsiDiskDevice,\r | |
1038 | NeedRetry,\r | |
1039 | &SenseDataArray,\r | |
1040 | &NumberOfSenseKeys,\r | |
1041 | TRUE\r | |
1042 | );\r | |
1043 | if (!EFI_ERROR (Status)) {\r | |
1044 | *NeedRetry = TRUE;\r | |
1045 | return EFI_DEVICE_ERROR;\r | |
1046 | }\r | |
1047 | \r | |
1048 | if (!*NeedRetry) {\r | |
1049 | return EFI_DEVICE_ERROR;\r | |
1050 | }\r | |
1051 | }\r | |
1052 | //\r | |
1053 | // ScsiDiskRequestSenseKeys() failed after several rounds of retry.\r | |
1054 | // set *NeedRetry = FALSE to avoid the outside caller try again.\r | |
1055 | //\r | |
1056 | *NeedRetry = FALSE;\r | |
1057 | return EFI_DEVICE_ERROR;\r | |
1058 | }\r | |
1059 | \r | |
9beb888e | 1060 | /**\r |
d716651f | 1061 | To test device.\r |
f36d6e66 | 1062 | \r |
1063 | When Test Unit Ready command succeeds, retrieve Sense Keys via Request Sense;\r | |
6ad55b15 | 1064 | When Test Unit Ready command encounters any error caused by host adapter or\r |
1065 | target, return error without retrieving Sense Keys.\r | |
f36d6e66 | 1066 | \r |
9beb888e | 1067 | @param ScsiDiskDevice The pointer of SCSI_DISK_DEV\r |
1068 | @param NeedRetry The pointer of flag indicates try again\r | |
1069 | @param SenseDataArray The pointer of an array of sense data\r | |
1070 | @param NumberOfSenseKeys The pointer of the number of sense data array\r | |
f36d6e66 | 1071 | \r |
9beb888e | 1072 | @retval EFI_DEVICE_ERROR Indicates that error occurs\r |
1073 | @retval EFI_SUCCESS Successfully to test unit\r | |
f36d6e66 | 1074 | \r |
9beb888e | 1075 | **/\r |
1076 | EFI_STATUS\r | |
1077 | ScsiDiskTestUnitReady (\r | |
1078 | IN SCSI_DISK_DEV *ScsiDiskDevice,\r | |
1079 | OUT BOOLEAN *NeedRetry,\r | |
1080 | OUT EFI_SCSI_SENSE_DATA **SenseDataArray,\r | |
1081 | OUT UINTN *NumberOfSenseKeys\r | |
1082 | )\r | |
6ad55b15 | 1083 | {\r |
1084 | EFI_STATUS Status;\r | |
1085 | UINT8 SenseDataLength;\r | |
1086 | UINT8 HostAdapterStatus;\r | |
1087 | UINT8 TargetStatus;\r | |
1088 | UINT8 Index;\r | |
1089 | UINT8 MaxRetry;\r | |
1090 | \r | |
1091 | SenseDataLength = 0;\r | |
1092 | *NumberOfSenseKeys = 0;\r | |
1093 | \r | |
1094 | //\r | |
1095 | // Parameter 3 and 4: do not require sense data, retrieve it when needed.\r | |
1096 | //\r | |
d35be2a4 | 1097 | Status = ScsiTestUnitReadyCommand (\r |
6ad55b15 | 1098 | ScsiDiskDevice->ScsiIo,\r |
e72a3b3e | 1099 | EFI_TIMER_PERIOD_SECONDS (1),\r |
6ad55b15 | 1100 | NULL,\r |
1101 | &SenseDataLength,\r | |
1102 | &HostAdapterStatus,\r | |
1103 | &TargetStatus\r | |
1104 | );\r | |
f36d6e66 | 1105 | //\r |
1106 | // no need to check HostAdapterStatus and TargetStatus\r | |
1107 | //\r | |
6ad55b15 | 1108 | if (Status == EFI_NOT_READY) {\r |
6ad55b15 | 1109 | *NeedRetry = TRUE;\r |
1110 | return EFI_DEVICE_ERROR;\r | |
f36d6e66 | 1111 | \r |
6ad55b15 | 1112 | } else if ((Status == EFI_INVALID_PARAMETER) || (Status == EFI_UNSUPPORTED)) {\r |
6ad55b15 | 1113 | *NeedRetry = FALSE;\r |
1114 | return EFI_DEVICE_ERROR;\r | |
1115 | }\r | |
1116 | //\r | |
f36d6e66 | 1117 | // go ahead to check HostAdapterStatus and TargetStatus(in case of EFI_DEVICE_ERROR)\r |
6ad55b15 | 1118 | //\r |
f36d6e66 | 1119 | \r |
6ad55b15 | 1120 | Status = CheckHostAdapterStatus (HostAdapterStatus);\r |
1121 | if ((Status == EFI_TIMEOUT) || (Status == EFI_NOT_READY)) {\r | |
1122 | *NeedRetry = TRUE;\r | |
1123 | return EFI_DEVICE_ERROR;\r | |
f36d6e66 | 1124 | \r |
6ad55b15 | 1125 | } else if (Status == EFI_DEVICE_ERROR) {\r |
1126 | //\r | |
1127 | // reset the scsi channel\r | |
1128 | //\r | |
1129 | ScsiDiskDevice->ScsiIo->ResetBus (ScsiDiskDevice->ScsiIo);\r | |
1130 | *NeedRetry = FALSE;\r | |
1131 | return EFI_DEVICE_ERROR;\r | |
1132 | }\r | |
1133 | \r | |
1134 | Status = CheckTargetStatus (TargetStatus);\r | |
1135 | if (Status == EFI_NOT_READY) {\r | |
1136 | //\r | |
1137 | // reset the scsi device\r | |
1138 | //\r | |
1139 | ScsiDiskDevice->ScsiIo->ResetDevice (ScsiDiskDevice->ScsiIo);\r | |
1140 | *NeedRetry = TRUE;\r | |
1141 | return EFI_DEVICE_ERROR;\r | |
f36d6e66 | 1142 | \r |
6ad55b15 | 1143 | } else if (Status == EFI_DEVICE_ERROR) {\r |
1144 | *NeedRetry = FALSE;\r | |
1145 | return EFI_DEVICE_ERROR;\r | |
1146 | }\r | |
1147 | \r | |
1148 | MaxRetry = 3;\r | |
1149 | for (Index = 0; Index < MaxRetry; Index++) {\r | |
6ad55b15 | 1150 | Status = ScsiDiskRequestSenseKeys (\r |
1151 | ScsiDiskDevice,\r | |
1152 | NeedRetry,\r | |
1153 | SenseDataArray,\r | |
1154 | NumberOfSenseKeys,\r | |
1155 | FALSE\r | |
1156 | );\r | |
1157 | if (!EFI_ERROR (Status)) {\r | |
1158 | return EFI_SUCCESS;\r | |
1159 | }\r | |
1160 | \r | |
1161 | if (!*NeedRetry) {\r | |
1162 | return EFI_DEVICE_ERROR;\r | |
1163 | }\r | |
1164 | }\r | |
1165 | //\r | |
1166 | // ScsiDiskRequestSenseKeys() failed after several rounds of retry.\r | |
1167 | // set *NeedRetry = FALSE to avoid the outside caller try again.\r | |
1168 | //\r | |
1169 | *NeedRetry = FALSE;\r | |
1170 | return EFI_DEVICE_ERROR;\r | |
1171 | }\r | |
1172 | \r | |
9beb888e | 1173 | /**\r |
f36d6e66 | 1174 | Parsing Sense Keys which got from request sense command.\r |
6ad55b15 | 1175 | \r |
9beb888e | 1176 | @param ScsiDiskDevice The pointer of SCSI_DISK_DEV\r |
1177 | @param SenseData The pointer of EFI_SCSI_SENSE_DATA\r | |
1178 | @param NumberOfSenseKeys The number of sense key \r | |
1179 | @param Action The pointer of action which indicates what is need to do next\r | |
6ad55b15 | 1180 | \r |
9beb888e | 1181 | @retval EFI_DEVICE_ERROR Indicates that error occurs\r |
1182 | @retval EFI_SUCCESS Successfully to complete the parsing\r | |
6ad55b15 | 1183 | \r |
9beb888e | 1184 | **/\r |
1185 | EFI_STATUS\r | |
1186 | DetectMediaParsingSenseKeys (\r | |
1187 | OUT SCSI_DISK_DEV *ScsiDiskDevice,\r | |
1188 | IN EFI_SCSI_SENSE_DATA *SenseData,\r | |
1189 | IN UINTN NumberOfSenseKeys,\r | |
1190 | OUT UINTN *Action\r | |
1191 | )\r | |
6ad55b15 | 1192 | {\r |
1193 | BOOLEAN RetryLater;\r | |
1194 | \r | |
1195 | //\r | |
1196 | // Default is to read capacity, unless..\r | |
1197 | //\r | |
1198 | *Action = ACTION_READ_CAPACITY;\r | |
1199 | \r | |
1200 | if (NumberOfSenseKeys == 0) {\r | |
ae5dc795 | 1201 | if (ScsiDiskDevice->BlkIo.Media->MediaPresent == TRUE) {\r |
1202 | *Action = ACTION_NO_ACTION;\r | |
1203 | }\r | |
6ad55b15 | 1204 | return EFI_SUCCESS;\r |
1205 | }\r | |
1206 | \r | |
1207 | if (!ScsiDiskHaveSenseKey (SenseData, NumberOfSenseKeys)) {\r | |
1208 | //\r | |
1209 | // No Sense Key returned from last submitted command\r | |
1210 | //\r | |
ae5dc795 | 1211 | if (ScsiDiskDevice->BlkIo.Media->MediaPresent == TRUE) {\r |
1212 | *Action = ACTION_NO_ACTION;\r | |
1213 | }\r | |
6ad55b15 | 1214 | return EFI_SUCCESS;\r |
1215 | }\r | |
1216 | \r | |
1217 | if (ScsiDiskIsNoMedia (SenseData, NumberOfSenseKeys)) {\r | |
1218 | ScsiDiskDevice->BlkIo.Media->MediaPresent = FALSE;\r | |
1219 | ScsiDiskDevice->BlkIo.Media->LastBlock = 0;\r | |
1220 | *Action = ACTION_NO_ACTION;\r | |
1221 | return EFI_SUCCESS;\r | |
1222 | }\r | |
1223 | \r | |
1224 | if (ScsiDiskIsMediaChange (SenseData, NumberOfSenseKeys)) {\r | |
1225 | ScsiDiskDevice->BlkIo.Media->MediaId++;\r | |
1226 | return EFI_SUCCESS;\r | |
1227 | }\r | |
1228 | \r | |
cbd2a4b3 | 1229 | if (ScsiDiskIsResetBefore (SenseData, NumberOfSenseKeys)) {\r |
1230 | *Action = ACTION_RETRY_COMMAND_LATER;\r | |
1231 | return EFI_SUCCESS;\r | |
1232 | }\r | |
1233 | \r | |
6ad55b15 | 1234 | if (ScsiDiskIsMediaError (SenseData, NumberOfSenseKeys)) {\r |
1235 | ScsiDiskDevice->BlkIo.Media->MediaPresent = FALSE;\r | |
1236 | ScsiDiskDevice->BlkIo.Media->LastBlock = 0;\r | |
ae5dc795 | 1237 | *Action = ACTION_NO_ACTION;\r |
6ad55b15 | 1238 | return EFI_DEVICE_ERROR;\r |
1239 | }\r | |
1240 | \r | |
1241 | if (ScsiDiskIsHardwareError (SenseData, NumberOfSenseKeys)) {\r | |
ae5dc795 | 1242 | *Action = ACTION_NO_ACTION;\r |
6ad55b15 | 1243 | return EFI_DEVICE_ERROR;\r |
1244 | }\r | |
1245 | \r | |
1246 | if (!ScsiDiskIsDriveReady (SenseData, NumberOfSenseKeys, &RetryLater)) {\r | |
1247 | if (RetryLater) {\r | |
1248 | *Action = ACTION_RETRY_COMMAND_LATER;\r | |
1249 | return EFI_SUCCESS;\r | |
1250 | }\r | |
ae5dc795 | 1251 | *Action = ACTION_NO_ACTION;\r |
6ad55b15 | 1252 | return EFI_DEVICE_ERROR;\r |
1253 | }\r | |
1254 | \r | |
1255 | return EFI_SUCCESS;\r | |
1256 | }\r | |
1257 | \r | |
6ad55b15 | 1258 | \r |
9beb888e | 1259 | /**\r |
1260 | Send read capacity command to device and get the device parameter.\r | |
6ad55b15 | 1261 | \r |
9beb888e | 1262 | @param ScsiDiskDevice The pointer of SCSI_DISK_DEV\r |
1263 | @param NeedRetry The pointer of flag indicates if need a retry\r | |
1264 | @param SenseDataArray The pointer of an array of sense data\r | |
1265 | @param NumberOfSenseKeys The number of sense key\r | |
6ad55b15 | 1266 | \r |
9beb888e | 1267 | @retval EFI_DEVICE_ERROR Indicates that error occurs\r |
1268 | @retval EFI_SUCCESS Successfully to read capacity\r | |
6ad55b15 | 1269 | \r |
9beb888e | 1270 | **/\r |
1271 | EFI_STATUS\r | |
1272 | ScsiDiskReadCapacity (\r | |
1273 | IN OUT SCSI_DISK_DEV *ScsiDiskDevice,\r | |
1274 | OUT BOOLEAN *NeedRetry,\r | |
1275 | OUT EFI_SCSI_SENSE_DATA **SenseDataArray,\r | |
1276 | OUT UINTN *NumberOfSenseKeys\r | |
1277 | )\r | |
6ad55b15 | 1278 | {\r |
b96cd313 | 1279 | UINT8 HostAdapterStatus;\r |
1280 | UINT8 TargetStatus;\r | |
1281 | EFI_STATUS CommandStatus;\r | |
1282 | EFI_STATUS Status;\r | |
1283 | UINT8 Index;\r | |
1284 | UINT8 MaxRetry;\r | |
1285 | UINT8 SenseDataLength;\r | |
b96cd313 | 1286 | UINT32 DataLength10;\r |
1287 | UINT32 DataLength16;\r | |
1288 | EFI_SCSI_DISK_CAPACITY_DATA CapacityData10;\r | |
1289 | EFI_SCSI_DISK_CAPACITY_DATA16 CapacityData16;\r | |
1290 | \r | |
1291 | \r | |
1292 | SenseDataLength = 0;\r | |
1293 | DataLength10 = sizeof (EFI_SCSI_DISK_CAPACITY_DATA);\r | |
1294 | DataLength16 = sizeof (EFI_SCSI_DISK_CAPACITY_DATA16);\r | |
1295 | ZeroMem (&CapacityData10, sizeof (EFI_SCSI_DISK_CAPACITY_DATA));\r | |
1296 | ZeroMem (&CapacityData16, sizeof (EFI_SCSI_DISK_CAPACITY_DATA16));\r | |
6ad55b15 | 1297 | \r |
1298 | *NumberOfSenseKeys = 0;\r | |
1299 | *NeedRetry = FALSE;\r | |
b96cd313 | 1300 | \r |
f95bc048 | 1301 | //\r |
1302 | // submit Read Capacity(10) Command. If it returns capacity of FFFFFFFFh, \r | |
1303 | // 16 byte command should be used to access large hard disk >2TB\r | |
1304 | //\r | |
1305 | CommandStatus = ScsiReadCapacityCommand (\r | |
1306 | ScsiDiskDevice->ScsiIo,\r | |
1307 | EFI_TIMER_PERIOD_SECONDS(1),\r | |
1308 | NULL,\r | |
1309 | &SenseDataLength,\r | |
1310 | &HostAdapterStatus,\r | |
1311 | &TargetStatus,\r | |
1312 | (VOID *) &CapacityData10,\r | |
1313 | &DataLength10,\r | |
1314 | FALSE\r | |
1315 | );\r | |
1316 | \r | |
1317 | ScsiDiskDevice->Cdb16Byte = FALSE;\r | |
1318 | if ((!EFI_ERROR (CommandStatus)) && (CapacityData10.LastLba3 == 0xff) && (CapacityData10.LastLba2 == 0xff) &&\r | |
1319 | (CapacityData10.LastLba1 == 0xff) && (CapacityData10.LastLba0 == 0xff)) {\r | |
1320 | //\r | |
1321 | // use Read Capacity (16), Read (16) and Write (16) next when hard disk size > 2TB\r | |
1322 | //\r | |
1323 | ScsiDiskDevice->Cdb16Byte = TRUE;\r | |
b96cd313 | 1324 | //\r |
f95bc048 | 1325 | // submit Read Capacity(16) Command to get parameter LogicalBlocksPerPhysicalBlock\r |
1326 | // and LowestAlignedLba\r | |
b96cd313 | 1327 | //\r |
f95bc048 | 1328 | CommandStatus = ScsiReadCapacity16Command (\r |
b96cd313 | 1329 | ScsiDiskDevice->ScsiIo,\r |
f95bc048 | 1330 | EFI_TIMER_PERIOD_SECONDS (1),\r |
b96cd313 | 1331 | NULL,\r |
1332 | &SenseDataLength,\r | |
1333 | &HostAdapterStatus,\r | |
1334 | &TargetStatus,\r | |
f95bc048 | 1335 | (VOID *) &CapacityData16,\r |
1336 | &DataLength16,\r | |
b96cd313 | 1337 | FALSE\r |
1338 | );\r | |
f95bc048 | 1339 | }\r |
1340 | \r | |
b96cd313 | 1341 | //\r |
6ad55b15 | 1342 | // no need to check HostAdapterStatus and TargetStatus\r |
1343 | //\r | |
f36d6e66 | 1344 | if (CommandStatus == EFI_SUCCESS) {\r |
b96cd313 | 1345 | GetMediaInfo (ScsiDiskDevice, &CapacityData10,&CapacityData16);\r |
f36d6e66 | 1346 | return EFI_SUCCESS;\r |
1347 | \r | |
1348 | } else if (CommandStatus == EFI_NOT_READY) {\r | |
1349 | *NeedRetry = TRUE;\r | |
1350 | return EFI_DEVICE_ERROR;\r | |
1351 | \r | |
1352 | } else if ((CommandStatus == EFI_INVALID_PARAMETER) || (CommandStatus == EFI_UNSUPPORTED)) {\r | |
1353 | *NeedRetry = FALSE;\r | |
1354 | return EFI_DEVICE_ERROR;\r | |
1355 | }\r | |
1356 | //\r | |
1357 | // go ahead to check HostAdapterStatus and TargetStatus\r | |
1358 | // (EFI_TIMEOUT, EFI_DEVICE_ERROR, EFI_WARN_BUFFER_TOO_SMALL)\r | |
1359 | //\r | |
1360 | \r | |
1361 | Status = CheckHostAdapterStatus (HostAdapterStatus);\r | |
1362 | if ((Status == EFI_TIMEOUT) || (Status == EFI_NOT_READY)) {\r | |
1363 | *NeedRetry = TRUE;\r | |
1364 | return EFI_DEVICE_ERROR;\r | |
1365 | \r | |
1366 | } else if (Status == EFI_DEVICE_ERROR) {\r | |
6ad55b15 | 1367 | //\r |
1368 | // reset the scsi channel\r | |
1369 | //\r | |
1370 | ScsiDiskDevice->ScsiIo->ResetBus (ScsiDiskDevice->ScsiIo);\r | |
1371 | *NeedRetry = FALSE;\r | |
1372 | return EFI_DEVICE_ERROR;\r | |
1373 | }\r | |
1374 | \r | |
1375 | Status = CheckTargetStatus (TargetStatus);\r | |
1376 | if (Status == EFI_NOT_READY) {\r | |
1377 | //\r | |
1378 | // reset the scsi device\r | |
1379 | //\r | |
1380 | ScsiDiskDevice->ScsiIo->ResetDevice (ScsiDiskDevice->ScsiIo);\r | |
1381 | *NeedRetry = TRUE;\r | |
1382 | return EFI_DEVICE_ERROR;\r | |
f36d6e66 | 1383 | \r |
6ad55b15 | 1384 | } else if (Status == EFI_DEVICE_ERROR) {\r |
1385 | *NeedRetry = FALSE;\r | |
1386 | return EFI_DEVICE_ERROR;\r | |
1387 | }\r | |
1388 | \r | |
1389 | //\r | |
b96cd313 | 1390 | // if goes here, meant ScsiReadCapacityCommand() failed.\r |
6ad55b15 | 1391 | // if ScsiDiskRequestSenseKeys() succeeds at last,\r |
b96cd313 | 1392 | // better retry ScsiReadCapacityCommand(). (by setting *NeedRetry = TRUE)\r |
6ad55b15 | 1393 | //\r |
1394 | MaxRetry = 3;\r | |
1395 | for (Index = 0; Index < MaxRetry; Index++) {\r | |
1396 | \r | |
1397 | Status = ScsiDiskRequestSenseKeys (\r | |
1398 | ScsiDiskDevice,\r | |
1399 | NeedRetry,\r | |
1400 | SenseDataArray,\r | |
1401 | NumberOfSenseKeys,\r | |
1402 | TRUE\r | |
1403 | );\r | |
1404 | if (!EFI_ERROR (Status)) {\r | |
1405 | *NeedRetry = TRUE;\r | |
1406 | return EFI_DEVICE_ERROR;\r | |
1407 | }\r | |
1408 | \r | |
1409 | if (!*NeedRetry) {\r | |
1410 | return EFI_DEVICE_ERROR;\r | |
1411 | }\r | |
1412 | }\r | |
1413 | //\r | |
1414 | // ScsiDiskRequestSenseKeys() failed after several rounds of retry.\r | |
1415 | // set *NeedRetry = FALSE to avoid the outside caller try again.\r | |
1416 | //\r | |
1417 | *NeedRetry = FALSE;\r | |
1418 | return EFI_DEVICE_ERROR;\r | |
1419 | }\r | |
1420 | \r | |
9beb888e | 1421 | /**\r |
1422 | Check the HostAdapter status and re-interpret it in EFI_STATUS.\r | |
6ad55b15 | 1423 | \r |
9beb888e | 1424 | @param HostAdapterStatus Host Adapter status\r |
6ad55b15 | 1425 | \r |
9beb888e | 1426 | @retval EFI_SUCCESS Host adapter is OK.\r |
1427 | @retval EFI_TIMEOUT Timeout.\r | |
1428 | @retval EFI_NOT_READY Adapter NOT ready.\r | |
1429 | @retval EFI_DEVICE_ERROR Adapter device error.\r | |
6ad55b15 | 1430 | \r |
9beb888e | 1431 | **/\r |
1432 | EFI_STATUS\r | |
1433 | CheckHostAdapterStatus (\r | |
1434 | IN UINT8 HostAdapterStatus\r | |
1435 | )\r | |
6ad55b15 | 1436 | {\r |
1437 | switch (HostAdapterStatus) {\r | |
f36d6e66 | 1438 | case EFI_EXT_SCSI_STATUS_HOST_ADAPTER_OK:\r |
6ad55b15 | 1439 | return EFI_SUCCESS;\r |
1440 | \r | |
f36d6e66 | 1441 | case EFI_EXT_SCSI_STATUS_HOST_ADAPTER_SELECTION_TIMEOUT:\r |
1442 | case EFI_EXT_SCSI_STATUS_HOST_ADAPTER_TIMEOUT:\r | |
1443 | case EFI_EXT_SCSI_STATUS_HOST_ADAPTER_TIMEOUT_COMMAND:\r | |
6ad55b15 | 1444 | return EFI_TIMEOUT;\r |
1445 | \r | |
f36d6e66 | 1446 | case EFI_EXT_SCSI_STATUS_HOST_ADAPTER_MESSAGE_REJECT:\r |
1447 | case EFI_EXT_SCSI_STATUS_HOST_ADAPTER_PARITY_ERROR:\r | |
1448 | case EFI_EXT_SCSI_STATUS_HOST_ADAPTER_REQUEST_SENSE_FAILED:\r | |
1449 | case EFI_EXT_SCSI_STATUS_HOST_ADAPTER_DATA_OVERRUN_UNDERRUN:\r | |
1450 | case EFI_EXT_SCSI_STATUS_HOST_ADAPTER_BUS_RESET:\r | |
6ad55b15 | 1451 | return EFI_NOT_READY;\r |
1452 | \r | |
f36d6e66 | 1453 | case EFI_EXT_SCSI_STATUS_HOST_ADAPTER_BUS_FREE:\r |
1454 | case EFI_EXT_SCSI_STATUS_HOST_ADAPTER_PHASE_ERROR:\r | |
6ad55b15 | 1455 | return EFI_DEVICE_ERROR;\r |
1456 | \r | |
1457 | default:\r | |
1458 | return EFI_SUCCESS;\r | |
1459 | }\r | |
1460 | }\r | |
1461 | \r | |
6ad55b15 | 1462 | \r |
9beb888e | 1463 | /**\r |
1464 | Check the target status and re-interpret it in EFI_STATUS.\r | |
6ad55b15 | 1465 | \r |
9beb888e | 1466 | @param TargetStatus Target status\r |
6ad55b15 | 1467 | \r |
9beb888e | 1468 | @retval EFI_NOT_READY Device is NOT ready.\r |
1469 | @retval EFI_DEVICE_ERROR \r | |
1470 | @retval EFI_SUCCESS\r | |
6ad55b15 | 1471 | \r |
9beb888e | 1472 | **/\r |
1473 | EFI_STATUS\r | |
1474 | CheckTargetStatus (\r | |
1475 | IN UINT8 TargetStatus\r | |
1476 | )\r | |
6ad55b15 | 1477 | {\r |
1478 | switch (TargetStatus) {\r | |
f36d6e66 | 1479 | case EFI_EXT_SCSI_STATUS_TARGET_GOOD:\r |
1480 | case EFI_EXT_SCSI_STATUS_TARGET_CHECK_CONDITION:\r | |
1481 | case EFI_EXT_SCSI_STATUS_TARGET_CONDITION_MET:\r | |
6ad55b15 | 1482 | return EFI_SUCCESS;\r |
1483 | \r | |
f36d6e66 | 1484 | case EFI_EXT_SCSI_STATUS_TARGET_INTERMEDIATE:\r |
1485 | case EFI_EXT_SCSI_STATUS_TARGET_INTERMEDIATE_CONDITION_MET:\r | |
1486 | case EFI_EXT_SCSI_STATUS_TARGET_BUSY:\r | |
1487 | case EFI_EXT_SCSI_STATUS_TARGET_TASK_SET_FULL:\r | |
6ad55b15 | 1488 | return EFI_NOT_READY;\r |
1489 | \r | |
f36d6e66 | 1490 | case EFI_EXT_SCSI_STATUS_TARGET_RESERVATION_CONFLICT:\r |
6ad55b15 | 1491 | return EFI_DEVICE_ERROR;\r |
1492 | break;\r | |
1493 | \r | |
1494 | default:\r | |
1495 | return EFI_SUCCESS;\r | |
1496 | }\r | |
1497 | }\r | |
1498 | \r | |
f36d6e66 | 1499 | \r |
9beb888e | 1500 | /**\r |
6ad55b15 | 1501 | Retrieve all sense keys from the device.\r |
f36d6e66 | 1502 | \r |
9beb888e | 1503 | When encountering error during the process, if retrieve sense keys before\r |
d716651f | 1504 | error encountered, it returns the sense keys with return status set to EFI_SUCCESS,\r |
9beb888e | 1505 | and NeedRetry set to FALSE; otherwize, return the proper return status.\r |
1506 | \r | |
1507 | @param ScsiDiskDevice The pointer of SCSI_DISK_DEV\r | |
1508 | @param NeedRetry The pointer of flag indicates if need a retry\r | |
1509 | @param SenseDataArray The pointer of an array of sense data\r | |
1510 | @param NumberOfSenseKeys The number of sense key\r | |
1511 | @param AskResetIfError The flag indicates if need reset when error occurs\r | |
1512 | \r | |
1513 | @retval EFI_DEVICE_ERROR Indicates that error occurs\r | |
1514 | @retval EFI_SUCCESS Successfully to request sense key\r | |
f36d6e66 | 1515 | \r |
9beb888e | 1516 | **/\r |
1517 | EFI_STATUS\r | |
1518 | ScsiDiskRequestSenseKeys (\r | |
1519 | IN OUT SCSI_DISK_DEV *ScsiDiskDevice,\r | |
1520 | OUT BOOLEAN *NeedRetry,\r | |
1521 | OUT EFI_SCSI_SENSE_DATA **SenseDataArray,\r | |
1522 | OUT UINTN *NumberOfSenseKeys,\r | |
1523 | IN BOOLEAN AskResetIfError\r | |
1524 | )\r | |
6ad55b15 | 1525 | {\r |
1526 | EFI_SCSI_SENSE_DATA *PtrSenseData;\r | |
1527 | UINT8 SenseDataLength;\r | |
1528 | BOOLEAN SenseReq;\r | |
1529 | EFI_STATUS Status;\r | |
1530 | EFI_STATUS FallStatus;\r | |
1531 | UINT8 HostAdapterStatus;\r | |
1532 | UINT8 TargetStatus;\r | |
1533 | \r | |
1534 | FallStatus = EFI_SUCCESS;\r | |
c9325700 | 1535 | SenseDataLength = (UINT8) sizeof (EFI_SCSI_SENSE_DATA);\r |
6ad55b15 | 1536 | \r |
1537 | ZeroMem (\r | |
1538 | ScsiDiskDevice->SenseData,\r | |
1539 | sizeof (EFI_SCSI_SENSE_DATA) * (ScsiDiskDevice->SenseDataNumber)\r | |
1540 | );\r | |
1541 | \r | |
1542 | *NumberOfSenseKeys = 0;\r | |
1543 | *SenseDataArray = ScsiDiskDevice->SenseData;\r | |
1544 | PtrSenseData = ScsiDiskDevice->SenseData;\r | |
1545 | \r | |
1546 | for (SenseReq = TRUE; SenseReq;) {\r | |
d35be2a4 | 1547 | Status = ScsiRequestSenseCommand (\r |
6ad55b15 | 1548 | ScsiDiskDevice->ScsiIo,\r |
e72a3b3e | 1549 | EFI_TIMER_PERIOD_SECONDS (2),\r |
6ad55b15 | 1550 | PtrSenseData,\r |
1551 | &SenseDataLength,\r | |
1552 | &HostAdapterStatus,\r | |
1553 | &TargetStatus\r | |
1554 | );\r | |
f36d6e66 | 1555 | if ((Status == EFI_SUCCESS) || (Status == EFI_WARN_BUFFER_TOO_SMALL)) {\r |
1556 | FallStatus = EFI_SUCCESS;\r | |
1557 | \r | |
1558 | } else if ((Status == EFI_TIMEOUT) || (Status == EFI_NOT_READY)) {\r | |
1559 | *NeedRetry = TRUE;\r | |
1560 | FallStatus = EFI_DEVICE_ERROR;\r | |
1561 | \r | |
1562 | } else if ((Status == EFI_INVALID_PARAMETER) || (Status == EFI_UNSUPPORTED)) {\r | |
1563 | *NeedRetry = FALSE;\r | |
1564 | FallStatus = EFI_DEVICE_ERROR;\r | |
1565 | \r | |
1566 | } else if (Status == EFI_DEVICE_ERROR) {\r | |
1567 | if (AskResetIfError) {\r | |
1568 | ScsiDiskDevice->ScsiIo->ResetDevice (ScsiDiskDevice->ScsiIo);\r | |
1569 | }\r | |
1570 | \r | |
1571 | FallStatus = EFI_DEVICE_ERROR;\r | |
6ad55b15 | 1572 | }\r |
1573 | \r | |
1574 | if (EFI_ERROR (FallStatus)) {\r | |
1575 | if (*NumberOfSenseKeys != 0) {\r | |
1576 | *NeedRetry = FALSE;\r | |
1577 | return EFI_SUCCESS;\r | |
1578 | } else {\r | |
1579 | return EFI_DEVICE_ERROR;\r | |
1580 | }\r | |
1581 | }\r | |
1582 | \r | |
1583 | (*NumberOfSenseKeys) += 1;\r | |
1584 | \r | |
1585 | //\r | |
1586 | // no more sense key or number of sense keys exceeds predefined,\r | |
1587 | // skip the loop.\r | |
1588 | //\r | |
1589 | if ((PtrSenseData->Sense_Key == EFI_SCSI_SK_NO_SENSE) || \r | |
1590 | (*NumberOfSenseKeys == ScsiDiskDevice->SenseDataNumber)) {\r | |
1591 | SenseReq = FALSE;\r | |
1592 | }\r | |
6ad55b15 | 1593 | PtrSenseData += 1;\r |
6ad55b15 | 1594 | }\r |
6ad55b15 | 1595 | return EFI_SUCCESS;\r |
1596 | }\r | |
1597 | \r | |
6ad55b15 | 1598 | \r |
9beb888e | 1599 | /**\r |
1600 | Get information from media read capacity command.\r | |
6ad55b15 | 1601 | \r |
9beb888e | 1602 | @param ScsiDiskDevice The pointer of SCSI_DISK_DEV\r |
aa75dfec | 1603 | @param Capacity10 The pointer of EFI_SCSI_DISK_CAPACITY_DATA\r |
1604 | @param Capacity16 The pointer of EFI_SCSI_DISK_CAPACITY_DATA16\r | |
6ad55b15 | 1605 | \r |
9beb888e | 1606 | **/\r |
1607 | VOID\r | |
1608 | GetMediaInfo (\r | |
aa75dfec | 1609 | IN OUT SCSI_DISK_DEV *ScsiDiskDevice,\r |
1610 | IN EFI_SCSI_DISK_CAPACITY_DATA *Capacity10,\r | |
1611 | IN EFI_SCSI_DISK_CAPACITY_DATA16 *Capacity16\r | |
9beb888e | 1612 | )\r |
6ad55b15 | 1613 | {\r |
b96cd313 | 1614 | UINT8 *Ptr;\r |
1615 | \r | |
f95bc048 | 1616 | if (!ScsiDiskDevice->Cdb16Byte) {\r |
b96cd313 | 1617 | ScsiDiskDevice->BlkIo.Media->LastBlock = (Capacity10->LastLba3 << 24) |\r |
1618 | (Capacity10->LastLba2 << 16) |\r | |
1619 | (Capacity10->LastLba1 << 8) |\r | |
1620 | Capacity10->LastLba0;\r | |
1621 | \r | |
1622 | ScsiDiskDevice->BlkIo.Media->BlockSize = (Capacity10->BlockSize3 << 24) |\r | |
1623 | (Capacity10->BlockSize2 << 16) | \r | |
1624 | (Capacity10->BlockSize1 << 8) |\r | |
1625 | Capacity10->BlockSize0;\r | |
0e87144e RN |
1626 | ScsiDiskDevice->BlkIo.Media->LowestAlignedLba = 0;\r |
1627 | ScsiDiskDevice->BlkIo.Media->LogicalBlocksPerPhysicalBlock = 0;\r | |
b96cd313 | 1628 | } else {\r |
b96cd313 | 1629 | Ptr = (UINT8*)&ScsiDiskDevice->BlkIo.Media->LastBlock;\r |
1630 | *Ptr++ = Capacity16->LastLba0;\r | |
1631 | *Ptr++ = Capacity16->LastLba1;\r | |
1632 | *Ptr++ = Capacity16->LastLba2;\r | |
1633 | *Ptr++ = Capacity16->LastLba3;\r | |
1634 | *Ptr++ = Capacity16->LastLba4;\r | |
1635 | *Ptr++ = Capacity16->LastLba5;\r | |
1636 | *Ptr++ = Capacity16->LastLba6;\r | |
1637 | *Ptr = Capacity16->LastLba7;\r | |
0e87144e | 1638 | \r |
b96cd313 | 1639 | ScsiDiskDevice->BlkIo.Media->BlockSize = (Capacity16->BlockSize3 << 24) |\r |
1640 | (Capacity16->BlockSize2 << 16) | \r | |
1641 | (Capacity16->BlockSize1 << 8) |\r | |
1642 | Capacity16->BlockSize0;\r | |
1643 | \r | |
0e87144e RN |
1644 | ScsiDiskDevice->BlkIo.Media->LowestAlignedLba = (Capacity16->LowestAlignLogic2 << 8) |\r |
1645 | Capacity16->LowestAlignLogic1;\r | |
1646 | ScsiDiskDevice->BlkIo.Media->LogicalBlocksPerPhysicalBlock = (1 << Capacity16->LogicPerPhysical);\r | |
b96cd313 | 1647 | }\r |
1648 | \r | |
6ad55b15 | 1649 | ScsiDiskDevice->BlkIo.Media->MediaPresent = TRUE;\r |
b96cd313 | 1650 | \r |
6ad55b15 | 1651 | if (ScsiDiskDevice->DeviceType == EFI_SCSI_TYPE_DISK) {\r |
1652 | ScsiDiskDevice->BlkIo.Media->BlockSize = 0x200;\r | |
1653 | }\r | |
1654 | \r | |
1655 | if (ScsiDiskDevice->DeviceType == EFI_SCSI_TYPE_CDROM) {\r | |
1656 | ScsiDiskDevice->BlkIo.Media->BlockSize = 0x800;\r | |
1657 | }\r | |
1658 | }\r | |
1659 | \r | |
9beb888e | 1660 | /**\r |
1661 | Parse Inquiry data.\r | |
1662 | \r | |
1663 | @param ScsiDiskDevice The pointer of SCSI_DISK_DEV\r | |
1664 | \r | |
1665 | **/\r | |
6ad55b15 | 1666 | VOID\r |
1667 | ParseInquiryData (\r | |
9beb888e | 1668 | IN OUT SCSI_DISK_DEV *ScsiDiskDevice\r |
6ad55b15 | 1669 | )\r |
6ad55b15 | 1670 | {\r |
fbfa4a1d | 1671 | ScsiDiskDevice->FixedDevice = (BOOLEAN) ((ScsiDiskDevice->InquiryData.Rmb == 1) ? 0 : 1);\r |
6ad55b15 | 1672 | ScsiDiskDevice->BlkIoMedia.RemovableMedia = (BOOLEAN) (!ScsiDiskDevice->FixedDevice);\r |
1673 | }\r | |
1674 | \r | |
9beb888e | 1675 | /**\r |
1676 | Read sector from SCSI Disk.\r | |
6ad55b15 | 1677 | \r |
d716651f | 1678 | @param ScsiDiskDevice The pointer of SCSI_DISK_DEV\r |
9beb888e | 1679 | @param Buffer The buffer to fill in the read out data\r |
1680 | @param Lba Logic block address\r | |
1681 | @param NumberOfBlocks The number of blocks to read\r | |
6ad55b15 | 1682 | \r |
9beb888e | 1683 | @retval EFI_DEVICE_ERROR Indicates a device error.\r |
1684 | @retval EFI_SUCCESS Operation is successful.\r | |
6ad55b15 | 1685 | \r |
9beb888e | 1686 | **/\r |
1687 | EFI_STATUS\r | |
1688 | ScsiDiskReadSectors (\r | |
1689 | IN SCSI_DISK_DEV *ScsiDiskDevice,\r | |
1690 | OUT VOID *Buffer,\r | |
1691 | IN EFI_LBA Lba,\r | |
1692 | IN UINTN NumberOfBlocks\r | |
1693 | )\r | |
6ad55b15 | 1694 | {\r |
1695 | UINTN BlocksRemaining;\r | |
6ad55b15 | 1696 | UINT8 *PtrBuffer;\r |
1697 | UINT32 BlockSize;\r | |
1698 | UINT32 ByteCount;\r | |
1699 | UINT32 MaxBlock;\r | |
1700 | UINT32 SectorCount;\r | |
1701 | UINT64 Timeout;\r | |
1702 | EFI_STATUS Status;\r | |
1703 | UINT8 Index;\r | |
1704 | UINT8 MaxRetry;\r | |
1705 | BOOLEAN NeedRetry;\r | |
1706 | EFI_SCSI_SENSE_DATA *SenseData;\r | |
1707 | UINTN NumberOfSenseKeys;\r | |
1708 | \r | |
1709 | SenseData = NULL;\r | |
1710 | NumberOfSenseKeys = 0;\r | |
1711 | \r | |
1712 | Status = EFI_SUCCESS;\r | |
1713 | \r | |
1714 | BlocksRemaining = NumberOfBlocks;\r | |
1715 | BlockSize = ScsiDiskDevice->BlkIo.Media->BlockSize;\r | |
a108933e | 1716 | \r |
6ad55b15 | 1717 | //\r |
a108933e | 1718 | // limit the data bytes that can be transferred by one Read(10) or Read(16) Command\r |
6ad55b15 | 1719 | //\r |
f95bc048 | 1720 | if (!ScsiDiskDevice->Cdb16Byte) {\r |
5bf5fb30 | 1721 | MaxBlock = 0xFFFF;\r |
a108933e | 1722 | } else {\r |
5bf5fb30 | 1723 | MaxBlock = 0xFFFFFFFF;\r |
a108933e | 1724 | }\r |
6ad55b15 | 1725 | \r |
1726 | PtrBuffer = Buffer;\r | |
6ad55b15 | 1727 | \r |
1728 | while (BlocksRemaining > 0) {\r | |
1729 | \r | |
1730 | if (BlocksRemaining <= MaxBlock) {\r | |
f95bc048 | 1731 | if (!ScsiDiskDevice->Cdb16Byte) {\r |
a108933e | 1732 | SectorCount = (UINT16) BlocksRemaining;\r |
1733 | } else {\r | |
1734 | SectorCount = (UINT32) BlocksRemaining;\r | |
1735 | }\r | |
6ad55b15 | 1736 | } else {\r |
6ad55b15 | 1737 | SectorCount = MaxBlock;\r |
1738 | }\r | |
1739 | \r | |
1740 | ByteCount = SectorCount * BlockSize;\r | |
e72a3b3e | 1741 | Timeout = EFI_TIMER_PERIOD_SECONDS (2);\r |
6ad55b15 | 1742 | \r |
1743 | MaxRetry = 2;\r | |
1744 | for (Index = 0; Index < MaxRetry; Index++) {\r | |
f95bc048 | 1745 | if (!ScsiDiskDevice->Cdb16Byte) {\r |
1746 | Status = ScsiDiskRead10 (\r | |
a108933e | 1747 | ScsiDiskDevice,\r |
1748 | &NeedRetry,\r | |
1749 | &SenseData,\r | |
1750 | &NumberOfSenseKeys,\r | |
1751 | Timeout,\r | |
1752 | PtrBuffer,\r | |
1753 | &ByteCount,\r | |
f95bc048 | 1754 | (UINT32) Lba,\r |
a108933e | 1755 | SectorCount\r |
1756 | );\r | |
1757 | } else {\r | |
f95bc048 | 1758 | Status = ScsiDiskRead16 (\r |
a108933e | 1759 | ScsiDiskDevice,\r |
1760 | &NeedRetry,\r | |
1761 | &SenseData,\r | |
1762 | &NumberOfSenseKeys,\r | |
1763 | Timeout,\r | |
1764 | PtrBuffer,\r | |
1765 | &ByteCount,\r | |
f95bc048 | 1766 | Lba,\r |
a108933e | 1767 | SectorCount\r |
1768 | );\r | |
1769 | }\r | |
6ad55b15 | 1770 | if (!EFI_ERROR (Status)) {\r |
1771 | break;\r | |
1772 | }\r | |
1773 | \r | |
1774 | if (!NeedRetry) {\r | |
1775 | return EFI_DEVICE_ERROR;\r | |
1776 | }\r | |
1777 | \r | |
1778 | }\r | |
1779 | \r | |
1780 | if ((Index == MaxRetry) && (Status != EFI_SUCCESS)) {\r | |
1781 | return EFI_DEVICE_ERROR;\r | |
1782 | }\r | |
1783 | \r | |
1784 | //\r | |
1785 | // actual transferred sectors\r | |
1786 | //\r | |
1787 | SectorCount = ByteCount / BlockSize;\r | |
1788 | \r | |
a108933e | 1789 | Lba += SectorCount;\r |
6ad55b15 | 1790 | PtrBuffer = PtrBuffer + SectorCount * BlockSize;\r |
1791 | BlocksRemaining -= SectorCount;\r | |
1792 | }\r | |
1793 | \r | |
1794 | return EFI_SUCCESS;\r | |
1795 | }\r | |
1796 | \r | |
9beb888e | 1797 | /**\r |
1798 | Write sector to SCSI Disk.\r | |
6ad55b15 | 1799 | \r |
d716651f | 1800 | @param ScsiDiskDevice The pointer of SCSI_DISK_DEV\r |
9beb888e | 1801 | @param Buffer The buffer of data to be written into SCSI Disk\r |
1802 | @param Lba Logic block address\r | |
1803 | @param NumberOfBlocks The number of blocks to read\r | |
6ad55b15 | 1804 | \r |
9beb888e | 1805 | @retval EFI_DEVICE_ERROR Indicates a device error.\r |
1806 | @retval EFI_SUCCESS Operation is successful.\r | |
6ad55b15 | 1807 | \r |
9beb888e | 1808 | **/\r |
1809 | EFI_STATUS\r | |
1810 | ScsiDiskWriteSectors (\r | |
1811 | IN SCSI_DISK_DEV *ScsiDiskDevice,\r | |
1812 | IN VOID *Buffer,\r | |
1813 | IN EFI_LBA Lba,\r | |
1814 | IN UINTN NumberOfBlocks\r | |
1815 | )\r | |
6ad55b15 | 1816 | {\r |
1817 | UINTN BlocksRemaining;\r | |
6ad55b15 | 1818 | UINT8 *PtrBuffer;\r |
1819 | UINT32 BlockSize;\r | |
1820 | UINT32 ByteCount;\r | |
1821 | UINT32 MaxBlock;\r | |
1822 | UINT32 SectorCount;\r | |
1823 | UINT64 Timeout;\r | |
1824 | EFI_STATUS Status;\r | |
1825 | UINT8 Index;\r | |
1826 | UINT8 MaxRetry;\r | |
1827 | BOOLEAN NeedRetry;\r | |
1828 | EFI_SCSI_SENSE_DATA *SenseData;\r | |
1829 | UINTN NumberOfSenseKeys;\r | |
1830 | \r | |
1831 | SenseData = NULL;\r | |
1832 | NumberOfSenseKeys = 0;\r | |
1833 | \r | |
1834 | Status = EFI_SUCCESS;\r | |
1835 | \r | |
1836 | BlocksRemaining = NumberOfBlocks;\r | |
1837 | BlockSize = ScsiDiskDevice->BlkIo.Media->BlockSize;\r | |
a108933e | 1838 | \r |
6ad55b15 | 1839 | //\r |
a108933e | 1840 | // limit the data bytes that can be transferred by one Read(10) or Read(16) Command\r |
6ad55b15 | 1841 | //\r |
f95bc048 | 1842 | if (!ScsiDiskDevice->Cdb16Byte) {\r |
5bf5fb30 | 1843 | MaxBlock = 0xFFFF;\r |
a108933e | 1844 | } else {\r |
5bf5fb30 | 1845 | MaxBlock = 0xFFFFFFFF;\r |
a108933e | 1846 | }\r |
6ad55b15 | 1847 | \r |
1848 | PtrBuffer = Buffer;\r | |
6ad55b15 | 1849 | \r |
1850 | while (BlocksRemaining > 0) {\r | |
1851 | \r | |
1852 | if (BlocksRemaining <= MaxBlock) {\r | |
f95bc048 | 1853 | if (!ScsiDiskDevice->Cdb16Byte) {\r |
a108933e | 1854 | SectorCount = (UINT16) BlocksRemaining;\r |
1855 | } else {\r | |
1856 | SectorCount = (UINT32) BlocksRemaining;\r | |
1857 | }\r | |
6ad55b15 | 1858 | } else {\r |
6ad55b15 | 1859 | SectorCount = MaxBlock;\r |
1860 | }\r | |
1861 | \r | |
1862 | ByteCount = SectorCount * BlockSize;\r | |
e72a3b3e | 1863 | Timeout = EFI_TIMER_PERIOD_SECONDS (2);\r |
6ad55b15 | 1864 | MaxRetry = 2;\r |
1865 | for (Index = 0; Index < MaxRetry; Index++) {\r | |
f95bc048 | 1866 | if (!ScsiDiskDevice->Cdb16Byte) {\r |
1867 | Status = ScsiDiskWrite10 (\r | |
a108933e | 1868 | ScsiDiskDevice,\r |
1869 | &NeedRetry,\r | |
1870 | &SenseData,\r | |
1871 | &NumberOfSenseKeys,\r | |
1872 | Timeout,\r | |
1873 | PtrBuffer,\r | |
1874 | &ByteCount,\r | |
f95bc048 | 1875 | (UINT32) Lba,\r |
a108933e | 1876 | SectorCount\r |
f95bc048 | 1877 | );\r |
a108933e | 1878 | } else {\r |
f95bc048 | 1879 | Status = ScsiDiskWrite16 (\r |
a108933e | 1880 | ScsiDiskDevice,\r |
1881 | &NeedRetry,\r | |
1882 | &SenseData,\r | |
1883 | &NumberOfSenseKeys,\r | |
1884 | Timeout,\r | |
1885 | PtrBuffer,\r | |
1886 | &ByteCount,\r | |
f95bc048 | 1887 | Lba,\r |
a108933e | 1888 | SectorCount\r |
f95bc048 | 1889 | ); \r |
a108933e | 1890 | }\r |
6ad55b15 | 1891 | if (!EFI_ERROR (Status)) {\r |
1892 | break;\r | |
1893 | }\r | |
1894 | \r | |
1895 | if (!NeedRetry) {\r | |
1896 | return EFI_DEVICE_ERROR;\r | |
1897 | }\r | |
1898 | }\r | |
1899 | \r | |
1900 | if ((Index == MaxRetry) && (Status != EFI_SUCCESS)) {\r | |
1901 | return EFI_DEVICE_ERROR;\r | |
1902 | }\r | |
1903 | //\r | |
1904 | // actual transferred sectors\r | |
1905 | //\r | |
1906 | SectorCount = ByteCount / BlockSize;\r | |
1907 | \r | |
a108933e | 1908 | Lba += SectorCount;\r |
6ad55b15 | 1909 | PtrBuffer = PtrBuffer + SectorCount * BlockSize;\r |
1910 | BlocksRemaining -= SectorCount;\r | |
1911 | }\r | |
1912 | \r | |
1913 | return EFI_SUCCESS;\r | |
1914 | }\r | |
1915 | \r | |
9beb888e | 1916 | \r |
1917 | /**\r | |
a108933e | 1918 | Submit Read(10) command.\r |
9beb888e | 1919 | \r |
1920 | @param ScsiDiskDevice The pointer of ScsiDiskDevice\r | |
1921 | @param NeedRetry The pointer of flag indicates if needs retry if error happens\r | |
1922 | @param SenseDataArray NOT used yet in this function\r | |
1923 | @param NumberOfSenseKeys The number of sense key\r | |
1924 | @param Timeout The time to complete the command\r | |
1925 | @param DataBuffer The buffer to fill with the read out data\r | |
1926 | @param DataLength The length of buffer\r | |
1927 | @param StartLba The start logic block address\r | |
1928 | @param SectorSize The size of sector\r | |
1929 | \r | |
1930 | @return EFI_STATUS is returned by calling ScsiRead10Command().\r | |
1931 | **/\r | |
6ad55b15 | 1932 | EFI_STATUS\r |
1933 | ScsiDiskRead10 (\r | |
9beb888e | 1934 | IN SCSI_DISK_DEV *ScsiDiskDevice,\r |
1935 | OUT BOOLEAN *NeedRetry,\r | |
1936 | OUT EFI_SCSI_SENSE_DATA **SenseDataArray, OPTIONAL\r | |
1937 | OUT UINTN *NumberOfSenseKeys,\r | |
1938 | IN UINT64 Timeout,\r | |
1939 | OUT UINT8 *DataBuffer,\r | |
1940 | IN OUT UINT32 *DataLength,\r | |
1941 | IN UINT32 StartLba,\r | |
1942 | IN UINT32 SectorSize\r | |
6ad55b15 | 1943 | )\r |
6ad55b15 | 1944 | {\r |
1945 | UINT8 SenseDataLength;\r | |
1946 | EFI_STATUS Status;\r | |
1947 | UINT8 HostAdapterStatus;\r | |
1948 | UINT8 TargetStatus;\r | |
1949 | \r | |
1950 | *NeedRetry = FALSE;\r | |
1951 | *NumberOfSenseKeys = 0;\r | |
1952 | SenseDataLength = 0;\r | |
d35be2a4 | 1953 | Status = ScsiRead10Command (\r |
6ad55b15 | 1954 | ScsiDiskDevice->ScsiIo,\r |
1955 | Timeout,\r | |
1956 | NULL,\r | |
1957 | &SenseDataLength,\r | |
1958 | &HostAdapterStatus,\r | |
1959 | &TargetStatus,\r | |
1960 | DataBuffer,\r | |
1961 | DataLength,\r | |
1962 | StartLba,\r | |
1963 | SectorSize\r | |
1964 | );\r | |
1965 | return Status;\r | |
1966 | }\r | |
1967 | \r | |
6ad55b15 | 1968 | \r |
9beb888e | 1969 | /**\r |
a108933e | 1970 | Submit Write(10) Command.\r |
6ad55b15 | 1971 | \r |
9beb888e | 1972 | @param ScsiDiskDevice The pointer of ScsiDiskDevice\r |
1973 | @param NeedRetry The pointer of flag indicates if needs retry if error happens\r | |
1974 | @param SenseDataArray NOT used yet in this function\r | |
1975 | @param NumberOfSenseKeys The number of sense key\r | |
1976 | @param Timeout The time to complete the command\r | |
1977 | @param DataBuffer The buffer to fill with the read out data\r | |
1978 | @param DataLength The length of buffer\r | |
1979 | @param StartLba The start logic block address\r | |
1980 | @param SectorSize The size of sector\r | |
6ad55b15 | 1981 | \r |
9beb888e | 1982 | @return EFI_STATUS is returned by calling ScsiWrite10Command().\r |
6ad55b15 | 1983 | \r |
9beb888e | 1984 | **/\r |
1985 | EFI_STATUS\r | |
1986 | ScsiDiskWrite10 (\r | |
1987 | IN SCSI_DISK_DEV *ScsiDiskDevice,\r | |
1988 | OUT BOOLEAN *NeedRetry,\r | |
1989 | OUT EFI_SCSI_SENSE_DATA **SenseDataArray, OPTIONAL\r | |
1990 | OUT UINTN *NumberOfSenseKeys,\r | |
1991 | IN UINT64 Timeout,\r | |
1992 | IN UINT8 *DataBuffer,\r | |
1993 | IN OUT UINT32 *DataLength,\r | |
1994 | IN UINT32 StartLba,\r | |
1995 | IN UINT32 SectorSize\r | |
1996 | )\r | |
6ad55b15 | 1997 | {\r |
1998 | EFI_STATUS Status;\r | |
1999 | UINT8 SenseDataLength;\r | |
2000 | UINT8 HostAdapterStatus;\r | |
2001 | UINT8 TargetStatus;\r | |
2002 | \r | |
2003 | *NeedRetry = FALSE;\r | |
2004 | *NumberOfSenseKeys = 0;\r | |
2005 | SenseDataLength = 0;\r | |
d35be2a4 | 2006 | Status = ScsiWrite10Command (\r |
6ad55b15 | 2007 | ScsiDiskDevice->ScsiIo,\r |
2008 | Timeout,\r | |
2009 | NULL,\r | |
2010 | &SenseDataLength,\r | |
2011 | &HostAdapterStatus,\r | |
2012 | &TargetStatus,\r | |
2013 | DataBuffer,\r | |
2014 | DataLength,\r | |
2015 | StartLba,\r | |
2016 | SectorSize\r | |
2017 | );\r | |
2018 | return Status;\r | |
2019 | }\r | |
2020 | \r | |
9beb888e | 2021 | \r |
a108933e | 2022 | /**\r |
2023 | Submit Read(16) command.\r | |
2024 | \r | |
2025 | @param ScsiDiskDevice The pointer of ScsiDiskDevice\r | |
2026 | @param NeedRetry The pointer of flag indicates if needs retry if error happens\r | |
2027 | @param SenseDataArray NOT used yet in this function\r | |
2028 | @param NumberOfSenseKeys The number of sense key\r | |
2029 | @param Timeout The time to complete the command\r | |
2030 | @param DataBuffer The buffer to fill with the read out data\r | |
2031 | @param DataLength The length of buffer\r | |
2032 | @param StartLba The start logic block address\r | |
2033 | @param SectorSize The size of sector\r | |
2034 | \r | |
2035 | @return EFI_STATUS is returned by calling ScsiRead10Command().\r | |
2036 | **/\r | |
2037 | EFI_STATUS\r | |
2038 | ScsiDiskRead16 (\r | |
2039 | IN SCSI_DISK_DEV *ScsiDiskDevice,\r | |
2040 | OUT BOOLEAN *NeedRetry,\r | |
2041 | OUT EFI_SCSI_SENSE_DATA **SenseDataArray, OPTIONAL\r | |
2042 | OUT UINTN *NumberOfSenseKeys,\r | |
2043 | IN UINT64 Timeout,\r | |
2044 | OUT UINT8 *DataBuffer,\r | |
2045 | IN OUT UINT32 *DataLength,\r | |
2046 | IN UINT64 StartLba,\r | |
2047 | IN UINT32 SectorSize\r | |
2048 | )\r | |
2049 | {\r | |
2050 | UINT8 SenseDataLength;\r | |
2051 | EFI_STATUS Status;\r | |
2052 | UINT8 HostAdapterStatus;\r | |
2053 | UINT8 TargetStatus;\r | |
2054 | \r | |
2055 | *NeedRetry = FALSE;\r | |
2056 | *NumberOfSenseKeys = 0;\r | |
2057 | SenseDataLength = 0;\r | |
2058 | Status = ScsiRead16Command (\r | |
2059 | ScsiDiskDevice->ScsiIo,\r | |
2060 | Timeout,\r | |
2061 | NULL,\r | |
2062 | &SenseDataLength,\r | |
2063 | &HostAdapterStatus,\r | |
2064 | &TargetStatus,\r | |
2065 | DataBuffer,\r | |
2066 | DataLength,\r | |
2067 | StartLba,\r | |
2068 | SectorSize\r | |
2069 | );\r | |
2070 | return Status;\r | |
2071 | }\r | |
2072 | \r | |
2073 | \r | |
2074 | /**\r | |
2075 | Submit Write(16) Command.\r | |
2076 | \r | |
2077 | @param ScsiDiskDevice The pointer of ScsiDiskDevice\r | |
2078 | @param NeedRetry The pointer of flag indicates if needs retry if error happens\r | |
2079 | @param SenseDataArray NOT used yet in this function\r | |
2080 | @param NumberOfSenseKeys The number of sense key\r | |
2081 | @param Timeout The time to complete the command\r | |
2082 | @param DataBuffer The buffer to fill with the read out data\r | |
2083 | @param DataLength The length of buffer\r | |
2084 | @param StartLba The start logic block address\r | |
2085 | @param SectorSize The size of sector\r | |
2086 | \r | |
2087 | @return EFI_STATUS is returned by calling ScsiWrite10Command().\r | |
2088 | \r | |
2089 | **/\r | |
2090 | EFI_STATUS\r | |
2091 | ScsiDiskWrite16 (\r | |
2092 | IN SCSI_DISK_DEV *ScsiDiskDevice,\r | |
2093 | OUT BOOLEAN *NeedRetry,\r | |
2094 | OUT EFI_SCSI_SENSE_DATA **SenseDataArray, OPTIONAL\r | |
2095 | OUT UINTN *NumberOfSenseKeys,\r | |
2096 | IN UINT64 Timeout,\r | |
2097 | IN UINT8 *DataBuffer,\r | |
2098 | IN OUT UINT32 *DataLength,\r | |
2099 | IN UINT64 StartLba,\r | |
2100 | IN UINT32 SectorSize\r | |
2101 | )\r | |
2102 | {\r | |
2103 | EFI_STATUS Status;\r | |
2104 | UINT8 SenseDataLength;\r | |
2105 | UINT8 HostAdapterStatus;\r | |
2106 | UINT8 TargetStatus;\r | |
2107 | \r | |
2108 | *NeedRetry = FALSE;\r | |
2109 | *NumberOfSenseKeys = 0;\r | |
2110 | SenseDataLength = 0;\r | |
2111 | Status = ScsiWrite16Command (\r | |
2112 | ScsiDiskDevice->ScsiIo,\r | |
2113 | Timeout,\r | |
2114 | NULL,\r | |
2115 | &SenseDataLength,\r | |
2116 | &HostAdapterStatus,\r | |
2117 | &TargetStatus,\r | |
2118 | DataBuffer,\r | |
2119 | DataLength,\r | |
2120 | StartLba,\r | |
2121 | SectorSize\r | |
2122 | );\r | |
2123 | return Status;\r | |
2124 | }\r | |
2125 | \r | |
2126 | \r | |
9beb888e | 2127 | /**\r |
2128 | Check sense key to find if media presents.\r | |
2129 | \r | |
2130 | @param SenseData The pointer of EFI_SCSI_SENSE_DATA\r | |
2131 | @param SenseCounts The number of sense key\r | |
2132 | \r | |
2133 | @retval TRUE NOT any media\r | |
2134 | @retval FALSE Media presents\r | |
2135 | **/\r | |
6ad55b15 | 2136 | BOOLEAN\r |
2137 | ScsiDiskIsNoMedia (\r | |
2138 | IN EFI_SCSI_SENSE_DATA *SenseData,\r | |
2139 | IN UINTN SenseCounts\r | |
2140 | )\r | |
6ad55b15 | 2141 | {\r |
2142 | EFI_SCSI_SENSE_DATA *SensePtr;\r | |
2143 | UINTN Index;\r | |
2144 | BOOLEAN IsNoMedia;\r | |
2145 | \r | |
2146 | IsNoMedia = FALSE;\r | |
2147 | SensePtr = SenseData;\r | |
2148 | \r | |
2149 | for (Index = 0; Index < SenseCounts; Index++) {\r | |
6ad55b15 | 2150 | //\r |
2151 | // Sense Key is EFI_SCSI_SK_NOT_READY (0x2),\r | |
2152 | // Additional Sense Code is ASC_NO_MEDIA (0x3A)\r | |
2153 | //\r | |
2154 | if ((SensePtr->Sense_Key == EFI_SCSI_SK_NOT_READY) &&\r | |
2155 | (SensePtr->Addnl_Sense_Code == EFI_SCSI_ASC_NO_MEDIA)) {\r | |
2156 | IsNoMedia = TRUE;\r | |
2157 | }\r | |
6ad55b15 | 2158 | SensePtr++;\r |
2159 | }\r | |
2160 | \r | |
2161 | return IsNoMedia;\r | |
2162 | }\r | |
2163 | \r | |
9beb888e | 2164 | \r |
2165 | /**\r | |
2166 | Parse sense key.\r | |
2167 | \r | |
2168 | @param SenseData The pointer of EFI_SCSI_SENSE_DATA\r | |
2169 | @param SenseCounts The number of sense key\r | |
2170 | \r | |
2171 | @retval TRUE Error\r | |
2172 | @retval FALSE NOT error\r | |
2173 | \r | |
2174 | **/\r | |
6ad55b15 | 2175 | BOOLEAN\r |
2176 | ScsiDiskIsMediaError (\r | |
2177 | IN EFI_SCSI_SENSE_DATA *SenseData,\r | |
2178 | IN UINTN SenseCounts\r | |
2179 | )\r | |
6ad55b15 | 2180 | {\r |
2181 | EFI_SCSI_SENSE_DATA *SensePtr;\r | |
2182 | UINTN Index;\r | |
2183 | BOOLEAN IsError;\r | |
2184 | \r | |
2185 | IsError = FALSE;\r | |
2186 | SensePtr = SenseData;\r | |
2187 | \r | |
2188 | for (Index = 0; Index < SenseCounts; Index++) {\r | |
2189 | \r | |
2190 | switch (SensePtr->Sense_Key) {\r | |
2191 | \r | |
2192 | case EFI_SCSI_SK_MEDIUM_ERROR:\r | |
2193 | //\r | |
2194 | // Sense Key is EFI_SCSI_SK_MEDIUM_ERROR (0x3)\r | |
2195 | //\r | |
2196 | switch (SensePtr->Addnl_Sense_Code) {\r | |
2197 | \r | |
2198 | //\r | |
2199 | // fall through\r | |
2200 | //\r | |
2201 | case EFI_SCSI_ASC_MEDIA_ERR1:\r | |
2202 | \r | |
2203 | //\r | |
2204 | // fall through\r | |
2205 | //\r | |
2206 | case EFI_SCSI_ASC_MEDIA_ERR2:\r | |
2207 | \r | |
2208 | //\r | |
2209 | // fall through\r | |
2210 | //\r | |
2211 | case EFI_SCSI_ASC_MEDIA_ERR3:\r | |
2212 | case EFI_SCSI_ASC_MEDIA_ERR4:\r | |
2213 | IsError = TRUE;\r | |
2214 | break;\r | |
2215 | \r | |
2216 | default:\r | |
2217 | break;\r | |
2218 | }\r | |
2219 | \r | |
2220 | break;\r | |
2221 | \r | |
2222 | case EFI_SCSI_SK_NOT_READY:\r | |
2223 | //\r | |
2224 | // Sense Key is EFI_SCSI_SK_NOT_READY (0x2)\r | |
2225 | //\r | |
2226 | switch (SensePtr->Addnl_Sense_Code) {\r | |
2227 | //\r | |
2228 | // Additional Sense Code is ASC_MEDIA_UPSIDE_DOWN (0x6)\r | |
2229 | //\r | |
2230 | case EFI_SCSI_ASC_MEDIA_UPSIDE_DOWN:\r | |
2231 | IsError = TRUE;\r | |
2232 | break;\r | |
2233 | \r | |
2234 | default:\r | |
2235 | break;\r | |
2236 | }\r | |
2237 | break;\r | |
2238 | \r | |
2239 | default:\r | |
2240 | break;\r | |
2241 | }\r | |
2242 | \r | |
2243 | SensePtr++;\r | |
2244 | }\r | |
2245 | \r | |
2246 | return IsError;\r | |
2247 | }\r | |
2248 | \r | |
9beb888e | 2249 | \r |
2250 | /**\r | |
2251 | Check sense key to find if hardware error happens.\r | |
2252 | \r | |
2253 | @param SenseData The pointer of EFI_SCSI_SENSE_DATA\r | |
2254 | @param SenseCounts The number of sense key\r | |
2255 | \r | |
2256 | @retval TRUE Hardware error exits.\r | |
2257 | @retval FALSE NO error.\r | |
2258 | \r | |
2259 | **/\r | |
6ad55b15 | 2260 | BOOLEAN\r |
2261 | ScsiDiskIsHardwareError (\r | |
2262 | IN EFI_SCSI_SENSE_DATA *SenseData,\r | |
2263 | IN UINTN SenseCounts\r | |
2264 | )\r | |
6ad55b15 | 2265 | {\r |
2266 | EFI_SCSI_SENSE_DATA *SensePtr;\r | |
2267 | UINTN Index;\r | |
2268 | BOOLEAN IsError;\r | |
2269 | \r | |
2270 | IsError = FALSE;\r | |
2271 | SensePtr = SenseData;\r | |
2272 | \r | |
2273 | for (Index = 0; Index < SenseCounts; Index++) {\r | |
2274 | \r | |
2275 | //\r | |
2276 | // Sense Key is EFI_SCSI_SK_HARDWARE_ERROR (0x4)\r | |
2277 | //\r | |
2278 | if (SensePtr->Sense_Key == EFI_SCSI_SK_HARDWARE_ERROR) {\r | |
2279 | IsError = TRUE;\r | |
2280 | }\r | |
2281 | \r | |
2282 | SensePtr++;\r | |
2283 | }\r | |
2284 | \r | |
2285 | return IsError;\r | |
2286 | }\r | |
2287 | \r | |
9beb888e | 2288 | \r |
2289 | /**\r | |
2290 | Check sense key to find if media has changed.\r | |
2291 | \r | |
2292 | @param SenseData The pointer of EFI_SCSI_SENSE_DATA\r | |
2293 | @param SenseCounts The number of sense key\r | |
2294 | \r | |
2295 | @retval TRUE Media is changed.\r | |
d716651f | 2296 | @retval FALSE Media is NOT changed.\r |
9beb888e | 2297 | **/\r |
6ad55b15 | 2298 | BOOLEAN\r |
2299 | ScsiDiskIsMediaChange (\r | |
2300 | IN EFI_SCSI_SENSE_DATA *SenseData,\r | |
2301 | IN UINTN SenseCounts\r | |
2302 | )\r | |
6ad55b15 | 2303 | {\r |
2304 | EFI_SCSI_SENSE_DATA *SensePtr;\r | |
2305 | UINTN Index;\r | |
2306 | BOOLEAN IsMediaChanged;\r | |
2307 | \r | |
2308 | IsMediaChanged = FALSE;\r | |
2309 | SensePtr = SenseData;\r | |
2310 | \r | |
2311 | for (Index = 0; Index < SenseCounts; Index++) {\r | |
2312 | //\r | |
2313 | // Sense Key is EFI_SCSI_SK_UNIT_ATTENTION (0x6),\r | |
2314 | // Additional sense code is EFI_SCSI_ASC_MEDIA_CHANGE (0x28)\r | |
2315 | //\r | |
2316 | if ((SensePtr->Sense_Key == EFI_SCSI_SK_UNIT_ATTENTION) &&\r | |
2317 | (SensePtr->Addnl_Sense_Code == EFI_SCSI_ASC_MEDIA_CHANGE)) {\r | |
2318 | IsMediaChanged = TRUE;\r | |
2319 | }\r | |
2320 | \r | |
2321 | SensePtr++;\r | |
2322 | }\r | |
2323 | \r | |
2324 | return IsMediaChanged;\r | |
2325 | }\r | |
2326 | \r | |
9beb888e | 2327 | /**\r |
2328 | Check sense key to find if reset happens.\r | |
2329 | \r | |
2330 | @param SenseData The pointer of EFI_SCSI_SENSE_DATA\r | |
2331 | @param SenseCounts The number of sense key\r | |
2332 | \r | |
2333 | @retval TRUE It is reset before.\r | |
2334 | @retval FALSE It is NOT reset before.\r | |
2335 | \r | |
2336 | **/\r | |
6ad55b15 | 2337 | BOOLEAN\r |
2338 | ScsiDiskIsResetBefore (\r | |
2339 | IN EFI_SCSI_SENSE_DATA *SenseData,\r | |
2340 | IN UINTN SenseCounts\r | |
2341 | )\r | |
6ad55b15 | 2342 | {\r |
2343 | EFI_SCSI_SENSE_DATA *SensePtr;\r | |
2344 | UINTN Index;\r | |
2345 | BOOLEAN IsResetBefore;\r | |
2346 | \r | |
2347 | IsResetBefore = FALSE;\r | |
2348 | SensePtr = SenseData;\r | |
2349 | \r | |
2350 | for (Index = 0; Index < SenseCounts; Index++) {\r | |
2351 | \r | |
2352 | //\r | |
2353 | // Sense Key is EFI_SCSI_SK_UNIT_ATTENTION (0x6)\r | |
2354 | // Additional Sense Code is EFI_SCSI_ASC_RESET (0x29)\r | |
2355 | //\r | |
2356 | if ((SensePtr->Sense_Key == EFI_SCSI_SK_UNIT_ATTENTION) &&\r | |
2357 | (SensePtr->Addnl_Sense_Code == EFI_SCSI_ASC_RESET)) {\r | |
2358 | IsResetBefore = TRUE;\r | |
2359 | }\r | |
2360 | \r | |
2361 | SensePtr++;\r | |
2362 | }\r | |
2363 | \r | |
2364 | return IsResetBefore;\r | |
2365 | }\r | |
2366 | \r | |
9beb888e | 2367 | /**\r |
2368 | Check sense key to find if the drive is ready.\r | |
2369 | \r | |
2370 | @param SenseData The pointer of EFI_SCSI_SENSE_DATA\r | |
2371 | @param SenseCounts The number of sense key\r | |
2372 | @param RetryLater The flag means if need a retry \r | |
2373 | \r | |
2374 | @retval TRUE Drive is ready.\r | |
2375 | @retval FALSE Drive is NOT ready.\r | |
2376 | \r | |
2377 | **/\r | |
6ad55b15 | 2378 | BOOLEAN\r |
2379 | ScsiDiskIsDriveReady (\r | |
2380 | IN EFI_SCSI_SENSE_DATA *SenseData,\r | |
2381 | IN UINTN SenseCounts,\r | |
2382 | OUT BOOLEAN *RetryLater\r | |
2383 | )\r | |
6ad55b15 | 2384 | {\r |
2385 | EFI_SCSI_SENSE_DATA *SensePtr;\r | |
2386 | UINTN Index;\r | |
2387 | BOOLEAN IsReady;\r | |
2388 | \r | |
2389 | IsReady = TRUE;\r | |
2390 | *RetryLater = FALSE;\r | |
2391 | SensePtr = SenseData;\r | |
2392 | \r | |
2393 | for (Index = 0; Index < SenseCounts; Index++) {\r | |
2394 | \r | |
2395 | switch (SensePtr->Sense_Key) {\r | |
2396 | \r | |
2397 | case EFI_SCSI_SK_NOT_READY:\r | |
2398 | //\r | |
2399 | // Sense Key is EFI_SCSI_SK_NOT_READY (0x2)\r | |
2400 | //\r | |
2401 | switch (SensePtr->Addnl_Sense_Code) {\r | |
2402 | case EFI_SCSI_ASC_NOT_READY:\r | |
2403 | //\r | |
2404 | // Additional Sense Code is EFI_SCSI_ASC_NOT_READY (0x4)\r | |
2405 | //\r | |
2406 | switch (SensePtr->Addnl_Sense_Code_Qualifier) {\r | |
2407 | case EFI_SCSI_ASCQ_IN_PROGRESS:\r | |
2408 | //\r | |
2409 | // Additional Sense Code Qualifier is\r | |
2410 | // EFI_SCSI_ASCQ_IN_PROGRESS (0x1)\r | |
2411 | //\r | |
2412 | IsReady = FALSE;\r | |
2413 | *RetryLater = TRUE;\r | |
2414 | break;\r | |
2415 | \r | |
2416 | default:\r | |
2417 | IsReady = FALSE;\r | |
2418 | *RetryLater = FALSE;\r | |
2419 | break;\r | |
2420 | }\r | |
2421 | break;\r | |
2422 | \r | |
2423 | default:\r | |
2424 | break;\r | |
2425 | }\r | |
2426 | break;\r | |
2427 | \r | |
2428 | default:\r | |
2429 | break;\r | |
2430 | }\r | |
2431 | \r | |
2432 | SensePtr++;\r | |
2433 | }\r | |
2434 | \r | |
2435 | return IsReady;\r | |
2436 | }\r | |
2437 | \r | |
9beb888e | 2438 | /**\r |
2439 | Check sense key to find if it has sense key.\r | |
2440 | \r | |
2441 | @param SenseData - The pointer of EFI_SCSI_SENSE_DATA\r | |
2442 | @param SenseCounts - The number of sense key\r | |
2443 | \r | |
2444 | @retval TRUE It has sense key.\r | |
2445 | @retval FALSE It has NOT any sense key.\r | |
2446 | \r | |
2447 | **/\r | |
6ad55b15 | 2448 | BOOLEAN\r |
2449 | ScsiDiskHaveSenseKey (\r | |
2450 | IN EFI_SCSI_SENSE_DATA *SenseData,\r | |
2451 | IN UINTN SenseCounts\r | |
2452 | )\r | |
6ad55b15 | 2453 | {\r |
2454 | EFI_SCSI_SENSE_DATA *SensePtr;\r | |
2455 | UINTN Index;\r | |
2456 | BOOLEAN HaveSenseKey;\r | |
2457 | \r | |
2458 | if (SenseCounts == 0) {\r | |
2459 | HaveSenseKey = FALSE;\r | |
2460 | } else {\r | |
2461 | HaveSenseKey = TRUE;\r | |
2462 | }\r | |
2463 | \r | |
2464 | SensePtr = SenseData;\r | |
2465 | \r | |
2466 | for (Index = 0; Index < SenseCounts; Index++) {\r | |
2467 | \r | |
2468 | //\r | |
2469 | // Sense Key is SK_NO_SENSE (0x0)\r | |
2470 | //\r | |
2471 | if ((SensePtr->Sense_Key == EFI_SCSI_SK_NO_SENSE) &&\r | |
2472 | (Index == 0)) {\r | |
2473 | HaveSenseKey = FALSE;\r | |
2474 | }\r | |
2475 | \r | |
2476 | SensePtr++;\r | |
2477 | }\r | |
2478 | \r | |
2479 | return HaveSenseKey;\r | |
2480 | }\r | |
2481 | \r | |
9beb888e | 2482 | /**\r |
2483 | Release resource about disk device.\r | |
2484 | \r | |
2485 | @param ScsiDiskDevice The pointer of SCSI_DISK_DEV\r | |
2486 | \r | |
2487 | **/\r | |
6ad55b15 | 2488 | VOID\r |
2489 | ReleaseScsiDiskDeviceResources (\r | |
2490 | IN SCSI_DISK_DEV *ScsiDiskDevice\r | |
2491 | )\r | |
6ad55b15 | 2492 | {\r |
2493 | if (ScsiDiskDevice == NULL) {\r | |
2494 | return ;\r | |
2495 | }\r | |
2496 | \r | |
2497 | if (ScsiDiskDevice->SenseData != NULL) {\r | |
9b38ff34 | 2498 | FreePool (ScsiDiskDevice->SenseData);\r |
6ad55b15 | 2499 | ScsiDiskDevice->SenseData = NULL;\r |
2500 | }\r | |
2501 | \r | |
2502 | if (ScsiDiskDevice->ControllerNameTable != NULL) {\r | |
2503 | FreeUnicodeStringTable (ScsiDiskDevice->ControllerNameTable);\r | |
2504 | ScsiDiskDevice->ControllerNameTable = NULL;\r | |
2505 | }\r | |
2506 | \r | |
9b38ff34 | 2507 | FreePool (ScsiDiskDevice);\r |
6ad55b15 | 2508 | \r |
2509 | ScsiDiskDevice = NULL;\r | |
2510 | }\r | |
d14faa52 | 2511 | \r |
2512 | /**\r | |
2513 | Determine if Block Io should be produced.\r | |
2514 | \r | |
2515 | \r | |
d716651f | 2516 | @param ChildHandle Child Handle to retrieve Parent information.\r |
d14faa52 | 2517 | \r |
2518 | @retval TRUE Should produce Block Io.\r | |
2519 | @retval FALSE Should not produce Block Io.\r | |
2520 | \r | |
2521 | **/ \r | |
2522 | BOOLEAN\r | |
2523 | DetermineInstallBlockIo (\r | |
2524 | IN EFI_HANDLE ChildHandle\r | |
2525 | ) \r | |
2526 | {\r | |
2527 | EFI_SCSI_PASS_THRU_PROTOCOL *ScsiPassThru;\r | |
2528 | EFI_EXT_SCSI_PASS_THRU_PROTOCOL *ExtScsiPassThru;\r | |
2529 | \r | |
2530 | //\r | |
2531 | // Firstly, check if ExtScsiPassThru Protocol parent handle exists. If existence,\r | |
2532 | // check its attribute, logic or physical.\r | |
2533 | //\r | |
2534 | ExtScsiPassThru = (EFI_EXT_SCSI_PASS_THRU_PROTOCOL *)GetParentProtocol (&gEfiExtScsiPassThruProtocolGuid, ChildHandle);\r | |
2535 | if (ExtScsiPassThru != NULL) {\r | |
2536 | if ((ExtScsiPassThru->Mode->Attributes & EFI_SCSI_PASS_THRU_ATTRIBUTES_LOGICAL) != 0) {\r | |
2537 | return TRUE;\r | |
2538 | }\r | |
2539 | }\r | |
2540 | \r | |
2541 | //\r | |
2542 | // Secondly, check if ScsiPassThru Protocol parent handle exists. If existence,\r | |
2543 | // check its attribute, logic or physical.\r | |
2544 | //\r | |
2545 | ScsiPassThru = (EFI_SCSI_PASS_THRU_PROTOCOL *)GetParentProtocol (&gEfiScsiPassThruProtocolGuid, ChildHandle);\r | |
2546 | if (ScsiPassThru != NULL) {\r | |
2547 | if ((ScsiPassThru->Mode->Attributes & EFI_SCSI_PASS_THRU_ATTRIBUTES_LOGICAL) != 0) {\r | |
2548 | return TRUE;\r | |
2549 | }\r | |
2550 | }\r | |
2551 | \r | |
2552 | return FALSE;\r | |
2553 | }\r | |
2554 | \r | |
2555 | /**\r | |
2556 | Search protocol database and check to see if the protocol\r | |
2557 | specified by ProtocolGuid is present on a ControllerHandle and opened by\r | |
2558 | ChildHandle with an attribute of EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER.\r | |
2559 | If the ControllerHandle is found, then the protocol specified by ProtocolGuid\r | |
2560 | will be opened on it. \r | |
2561 | \r | |
2562 | \r | |
2563 | @param ProtocolGuid ProtocolGuid pointer.\r | |
2564 | @param ChildHandle Child Handle to retrieve Parent information.\r | |
2565 | \r | |
2566 | **/ \r | |
2567 | VOID *\r | |
2568 | EFIAPI\r | |
2569 | GetParentProtocol (\r | |
2570 | IN EFI_GUID *ProtocolGuid,\r | |
2571 | IN EFI_HANDLE ChildHandle\r | |
2572 | ) \r | |
2573 | {\r | |
2574 | UINTN Index;\r | |
2575 | UINTN HandleCount;\r | |
2576 | VOID *Interface; \r | |
2577 | EFI_STATUS Status;\r | |
2578 | EFI_HANDLE *HandleBuffer;\r | |
2579 | \r | |
2580 | //\r | |
2581 | // Retrieve the list of all handles from the handle database\r | |
2582 | //\r | |
2583 | Status = gBS->LocateHandleBuffer (\r | |
2584 | ByProtocol,\r | |
2585 | ProtocolGuid,\r | |
2586 | NULL,\r | |
2587 | &HandleCount,\r | |
2588 | &HandleBuffer\r | |
2589 | );\r | |
2590 | \r | |
2591 | if (EFI_ERROR (Status)) {\r | |
2592 | return NULL;\r | |
2593 | }\r | |
2594 | \r | |
2595 | //\r | |
2596 | // Iterate to find who is parent handle that is opened with ProtocolGuid by ChildHandle \r | |
2597 | //\r | |
2598 | for (Index = 0; Index < HandleCount; Index++) {\r | |
2599 | Status = EfiTestChildHandle (HandleBuffer[Index], ChildHandle, ProtocolGuid);\r | |
2600 | if (!EFI_ERROR (Status)) {\r | |
2601 | Status = gBS->HandleProtocol (HandleBuffer[Index], ProtocolGuid, (VOID **)&Interface);\r | |
2602 | if (!EFI_ERROR (Status)) {\r | |
2603 | gBS->FreePool (HandleBuffer);\r | |
2604 | return Interface;\r | |
2605 | }\r | |
2606 | }\r | |
2607 | }\r | |
2608 | \r | |
2609 | gBS->FreePool (HandleBuffer);\r | |
2610 | return NULL;\r | |
2611 | } \r | |
2612 | \r | |
d716651f | 2613 | /**\r |
2614 | Provides inquiry information for the controller type.\r | |
2615 | \r | |
2616 | This function is used by the IDE bus driver to get inquiry data. Data format\r | |
2617 | of Identify data is defined by the Interface GUID.\r | |
2618 | \r | |
4140a663 | 2619 | @param[in] This Pointer to the EFI_DISK_INFO_PROTOCOL instance.\r |
2620 | @param[in, out] InquiryData Pointer to a buffer for the inquiry data.\r | |
2621 | @param[in, out] InquiryDataSize Pointer to the value for the inquiry data size.\r | |
d716651f | 2622 | \r |
2623 | @retval EFI_SUCCESS The command was accepted without any errors.\r | |
2624 | @retval EFI_NOT_FOUND Device does not support this data class \r | |
2625 | @retval EFI_DEVICE_ERROR Error reading InquiryData from device \r | |
2626 | @retval EFI_BUFFER_TOO_SMALL InquiryDataSize not big enough \r | |
2627 | \r | |
2628 | **/\r | |
2629 | EFI_STATUS\r | |
2630 | EFIAPI\r | |
2631 | ScsiDiskInfoInquiry (\r | |
2632 | IN EFI_DISK_INFO_PROTOCOL *This,\r | |
2633 | IN OUT VOID *InquiryData,\r | |
2634 | IN OUT UINT32 *InquiryDataSize\r | |
2635 | )\r | |
2636 | {\r | |
2637 | EFI_STATUS Status;\r | |
2638 | SCSI_DISK_DEV *ScsiDiskDevice;\r | |
2639 | \r | |
2640 | ScsiDiskDevice = SCSI_DISK_DEV_FROM_DISKINFO (This);\r | |
2641 | \r | |
2642 | Status = EFI_BUFFER_TOO_SMALL;\r | |
2643 | if (*InquiryDataSize >= sizeof (ScsiDiskDevice->InquiryData)) {\r | |
2644 | Status = EFI_SUCCESS;\r | |
2645 | CopyMem (InquiryData, &ScsiDiskDevice->InquiryData, sizeof (ScsiDiskDevice->InquiryData));\r | |
2646 | }\r | |
2647 | *InquiryDataSize = sizeof (ScsiDiskDevice->InquiryData);\r | |
2648 | return Status;\r | |
2649 | }\r | |
2650 | \r | |
2651 | \r | |
2652 | /**\r | |
2653 | Provides identify information for the controller type.\r | |
2654 | \r | |
2655 | This function is used by the IDE bus driver to get identify data. Data format\r | |
2656 | of Identify data is defined by the Interface GUID.\r | |
2657 | \r | |
4140a663 | 2658 | @param[in] This Pointer to the EFI_DISK_INFO_PROTOCOL \r |
d716651f | 2659 | instance.\r |
4140a663 | 2660 | @param[in, out] IdentifyData Pointer to a buffer for the identify data.\r |
2661 | @param[in, out] IdentifyDataSize Pointer to the value for the identify data\r | |
d716651f | 2662 | size.\r |
2663 | \r | |
2664 | @retval EFI_SUCCESS The command was accepted without any errors.\r | |
2665 | @retval EFI_NOT_FOUND Device does not support this data class \r | |
2666 | @retval EFI_DEVICE_ERROR Error reading IdentifyData from device \r | |
2667 | @retval EFI_BUFFER_TOO_SMALL IdentifyDataSize not big enough \r | |
2668 | \r | |
2669 | **/\r | |
2670 | EFI_STATUS\r | |
2671 | EFIAPI\r | |
2672 | ScsiDiskInfoIdentify (\r | |
2673 | IN EFI_DISK_INFO_PROTOCOL *This,\r | |
2674 | IN OUT VOID *IdentifyData,\r | |
2675 | IN OUT UINT32 *IdentifyDataSize\r | |
2676 | )\r | |
2677 | {\r | |
2678 | EFI_STATUS Status;\r | |
2679 | SCSI_DISK_DEV *ScsiDiskDevice;\r | |
2680 | \r | |
2681 | if (CompareGuid (&This->Interface, &gEfiDiskInfoScsiInterfaceGuid)) {\r | |
2682 | //\r | |
2683 | // Physical SCSI bus does not support this data class. \r | |
2684 | //\r | |
2685 | return EFI_NOT_FOUND;\r | |
2686 | }\r | |
2687 | \r | |
2688 | ScsiDiskDevice = SCSI_DISK_DEV_FROM_DISKINFO (This);\r | |
2689 | \r | |
2690 | Status = EFI_BUFFER_TOO_SMALL;\r | |
2691 | if (*IdentifyDataSize >= sizeof (ScsiDiskDevice->IdentifyData)) {\r | |
2692 | Status = EFI_SUCCESS;\r | |
2693 | CopyMem (IdentifyData, &ScsiDiskDevice->IdentifyData, sizeof (ScsiDiskDevice->IdentifyData));\r | |
2694 | }\r | |
2695 | *IdentifyDataSize = sizeof (ScsiDiskDevice->IdentifyData);\r | |
2696 | return Status;\r | |
2697 | }\r | |
2698 | \r | |
2699 | /**\r | |
2700 | Provides sense data information for the controller type.\r | |
2701 | \r | |
2702 | This function is used by the IDE bus driver to get sense data. \r | |
2703 | Data format of Sense data is defined by the Interface GUID.\r | |
2704 | \r | |
4140a663 | 2705 | @param[in] This Pointer to the EFI_DISK_INFO_PROTOCOL instance.\r |
2706 | @param[in, out] SenseData Pointer to the SenseData.\r | |
2707 | @param[in, out] SenseDataSize Size of SenseData in bytes.\r | |
2708 | @param[out] SenseDataNumber Pointer to the value for the sense data size.\r | |
d716651f | 2709 | \r |
2710 | @retval EFI_SUCCESS The command was accepted without any errors.\r | |
2711 | @retval EFI_NOT_FOUND Device does not support this data class.\r | |
2712 | @retval EFI_DEVICE_ERROR Error reading SenseData from device.\r | |
2713 | @retval EFI_BUFFER_TOO_SMALL SenseDataSize not big enough.\r | |
2714 | \r | |
2715 | **/\r | |
2716 | EFI_STATUS\r | |
2717 | EFIAPI\r | |
2718 | ScsiDiskInfoSenseData (\r | |
2719 | IN EFI_DISK_INFO_PROTOCOL *This,\r | |
2720 | IN OUT VOID *SenseData,\r | |
2721 | IN OUT UINT32 *SenseDataSize,\r | |
2722 | OUT UINT8 *SenseDataNumber\r | |
2723 | )\r | |
2724 | {\r | |
2725 | return EFI_NOT_FOUND;\r | |
2726 | }\r | |
2727 | \r | |
2728 | \r | |
2729 | /**\r | |
2730 | This function is used by the IDE bus driver to get controller information.\r | |
2731 | \r | |
2732 | @param[in] This Pointer to the EFI_DISK_INFO_PROTOCOL instance. \r | |
2733 | @param[out] IdeChannel Pointer to the Ide Channel number. Primary or secondary.\r | |
2734 | @param[out] IdeDevice Pointer to the Ide Device number. Master or slave.\r | |
2735 | \r | |
2736 | @retval EFI_SUCCESS IdeChannel and IdeDevice are valid.\r | |
2737 | @retval EFI_UNSUPPORTED This is not an IDE device.\r | |
2738 | \r | |
2739 | **/\r | |
2740 | EFI_STATUS\r | |
2741 | EFIAPI\r | |
2742 | ScsiDiskInfoWhichIde (\r | |
2743 | IN EFI_DISK_INFO_PROTOCOL *This,\r | |
2744 | OUT UINT32 *IdeChannel,\r | |
2745 | OUT UINT32 *IdeDevice\r | |
2746 | )\r | |
2747 | {\r | |
2748 | SCSI_DISK_DEV *ScsiDiskDevice;\r | |
2749 | \r | |
2750 | if (CompareGuid (&This->Interface, &gEfiDiskInfoScsiInterfaceGuid)) {\r | |
2751 | //\r | |
2752 | // This is not an IDE physical device.\r | |
2753 | //\r | |
2754 | return EFI_UNSUPPORTED;\r | |
2755 | }\r | |
2756 | \r | |
2757 | ScsiDiskDevice = SCSI_DISK_DEV_FROM_DISKINFO (This);\r | |
2758 | *IdeChannel = ScsiDiskDevice->Channel;\r | |
2759 | *IdeDevice = ScsiDiskDevice->Device;\r | |
2760 | \r | |
2761 | return EFI_SUCCESS;\r | |
2762 | }\r | |
2763 | \r | |
2764 | \r | |
2765 | /**\r | |
2766 | Issues ATA IDENTIFY DEVICE command to identify ATAPI device.\r | |
2767 | \r | |
2768 | This function tries to fill 512-byte ATAPI_IDENTIFY_DATA for ATAPI device to\r | |
2769 | implement Identify() interface for DiskInfo protocol. The ATA command is sent\r | |
2770 | via SCSI Request Packet.\r | |
2771 | \r | |
2772 | @param ScsiDiskDevice The pointer of SCSI_DISK_DEV\r | |
2773 | \r | |
2774 | @retval EFI_SUCCESS The ATAPI device identify data were retrieved successfully.\r | |
2775 | @retval others Some error occurred during the identification that ATAPI device.\r | |
2776 | \r | |
2777 | **/ \r | |
2778 | EFI_STATUS\r | |
2779 | AtapiIdentifyDevice (\r | |
2780 | IN OUT SCSI_DISK_DEV *ScsiDiskDevice\r | |
2781 | )\r | |
2782 | {\r | |
2783 | EFI_SCSI_IO_SCSI_REQUEST_PACKET CommandPacket;\r | |
2784 | UINT8 Cdb[6];\r | |
2785 | \r | |
2786 | //\r | |
2787 | // Initialize SCSI REQUEST_PACKET and 6-byte Cdb\r | |
2788 | //\r | |
2789 | ZeroMem (&CommandPacket, sizeof (CommandPacket));\r | |
2790 | ZeroMem (Cdb, sizeof (Cdb));\r | |
2791 | \r | |
2792 | Cdb[0] = ATA_CMD_IDENTIFY_DEVICE;\r | |
2793 | CommandPacket.Timeout = EFI_TIMER_PERIOD_SECONDS (1);\r | |
2794 | CommandPacket.Cdb = Cdb;\r | |
c9325700 | 2795 | CommandPacket.CdbLength = (UINT8) sizeof (Cdb);\r |
d716651f | 2796 | CommandPacket.InDataBuffer = &ScsiDiskDevice->IdentifyData;\r |
2797 | CommandPacket.InTransferLength = sizeof (ScsiDiskDevice->IdentifyData);\r | |
2798 | \r | |
2799 | return ScsiDiskDevice->ScsiIo->ExecuteScsiCommand (ScsiDiskDevice->ScsiIo, &CommandPacket, NULL);\r | |
2800 | }\r | |
2801 | \r | |
2802 | \r | |
2803 | /**\r | |
2804 | Initialize the installation of DiskInfo protocol.\r | |
2805 | \r | |
2806 | This function prepares for the installation of DiskInfo protocol on the child handle.\r | |
2807 | By default, it installs DiskInfo protocol with SCSI interface GUID. If it further\r | |
2808 | detects that the physical device is an ATAPI/AHCI device, it then updates interface GUID\r | |
2809 | to be IDE/AHCI interface GUID.\r | |
2810 | \r | |
2811 | @param ScsiDiskDevice The pointer of SCSI_DISK_DEV.\r | |
2812 | @param ChildHandle Child handle to install DiskInfo protocol.\r | |
2813 | \r | |
2814 | **/ \r | |
2815 | VOID\r | |
2816 | InitializeInstallDiskInfo (\r | |
2817 | IN SCSI_DISK_DEV *ScsiDiskDevice,\r | |
2818 | IN EFI_HANDLE ChildHandle\r | |
2819 | )\r | |
2820 | {\r | |
2821 | EFI_STATUS Status;\r | |
2822 | EFI_DEVICE_PATH_PROTOCOL *DevicePathNode;\r | |
2823 | EFI_DEVICE_PATH_PROTOCOL *ChildDevicePathNode;\r | |
2824 | ATAPI_DEVICE_PATH *AtapiDevicePath;\r | |
2825 | SATA_DEVICE_PATH *SataDevicePath;\r | |
2826 | UINTN IdentifyRetry;\r | |
2827 | \r | |
2828 | Status = gBS->HandleProtocol (ChildHandle, &gEfiDevicePathProtocolGuid, (VOID **) &DevicePathNode);\r | |
2829 | //\r | |
2830 | // Device Path protocol must be installed on the device handle. \r | |
2831 | //\r | |
2832 | ASSERT_EFI_ERROR (Status);\r | |
2833 | //\r | |
2834 | // Copy the DiskInfo protocol template.\r | |
2835 | //\r | |
2836 | CopyMem (&ScsiDiskDevice->DiskInfo, &gScsiDiskInfoProtocolTemplate, sizeof (gScsiDiskInfoProtocolTemplate));\r | |
2837 | \r | |
2838 | while (!IsDevicePathEnd (DevicePathNode)) {\r | |
2839 | ChildDevicePathNode = NextDevicePathNode (DevicePathNode);\r | |
2840 | if ((DevicePathType (DevicePathNode) == HARDWARE_DEVICE_PATH) &&\r | |
2841 | (DevicePathSubType (DevicePathNode) == HW_PCI_DP) &&\r | |
2842 | (DevicePathType (ChildDevicePathNode) == MESSAGING_DEVICE_PATH) &&\r | |
2843 | ((DevicePathSubType (ChildDevicePathNode) == MSG_ATAPI_DP) ||\r | |
2844 | (DevicePathSubType (ChildDevicePathNode) == MSG_SATA_DP))) {\r | |
2845 | \r | |
2846 | IdentifyRetry = 3;\r | |
2847 | do {\r | |
2848 | //\r | |
2849 | // Issue ATA Identify Device Command via SCSI command, which is required to publish DiskInfo protocol\r | |
2850 | // with IDE/AHCI interface GUID.\r | |
2851 | //\r | |
2852 | Status = AtapiIdentifyDevice (ScsiDiskDevice);\r | |
2853 | if (!EFI_ERROR (Status)) {\r | |
2854 | if (DevicePathSubType(ChildDevicePathNode) == MSG_ATAPI_DP) {\r | |
2855 | //\r | |
2856 | // We find the valid ATAPI device path\r | |
2857 | //\r | |
2858 | AtapiDevicePath = (ATAPI_DEVICE_PATH *) ChildDevicePathNode;\r | |
2859 | ScsiDiskDevice->Channel = AtapiDevicePath->PrimarySecondary;\r | |
2860 | ScsiDiskDevice->Device = AtapiDevicePath->SlaveMaster;\r | |
2861 | //\r | |
2862 | // Update the DiskInfo.Interface to IDE interface GUID for the physical ATAPI device. \r | |
2863 | //\r | |
2864 | CopyGuid (&ScsiDiskDevice->DiskInfo.Interface, &gEfiDiskInfoIdeInterfaceGuid);\r | |
2865 | } else {\r | |
2866 | //\r | |
2867 | // We find the valid SATA device path\r | |
2868 | //\r | |
2869 | SataDevicePath = (SATA_DEVICE_PATH *) ChildDevicePathNode;\r | |
2870 | ScsiDiskDevice->Channel = SataDevicePath->HBAPortNumber;\r | |
2871 | ScsiDiskDevice->Device = SataDevicePath->PortMultiplierPortNumber;\r | |
2872 | //\r | |
2873 | // Update the DiskInfo.Interface to AHCI interface GUID for the physical AHCI device. \r | |
2874 | //\r | |
2875 | CopyGuid (&ScsiDiskDevice->DiskInfo.Interface, &gEfiDiskInfoAhciInterfaceGuid);\r | |
2876 | }\r | |
2877 | return;\r | |
2878 | }\r | |
2879 | } while (--IdentifyRetry > 0);\r | |
2880 | }\r | |
2881 | DevicePathNode = ChildDevicePathNode;\r | |
2882 | }\r | |
2883 | \r | |
2884 | return;\r | |
2885 | }\r |