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1 | /*++\r | |
2 | \r | |
3 | Copyright (c) 2006, Intel Corporation \r | |
4 | All rights reserved. This program and the accompanying materials \r | |
5 | are licensed and made available under the terms and conditions of the BSD License \r | |
6 | which accompanies this distribution. The full text of the license may be found at \r | |
7 | http://opensource.org/licenses/bsd-license.php \r | |
8 | \r | |
9 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r | |
10 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r | |
11 | \r | |
12 | Module Name:\r | |
13 | \r | |
14 | scsibus.c\r | |
15 | \r | |
16 | Abstract: \r | |
17 | \r | |
18 | \r | |
19 | Revision History\r | |
20 | --*/\r | |
21 | \r | |
22 | //\r | |
23 | // The package level header files this module uses\r | |
24 | //\r | |
25 | #include <PiDxe.h>\r | |
26 | \r | |
27 | //\r | |
28 | // The protocols, PPI and GUID defintions for this module\r | |
29 | //\r | |
30 | #include <Protocol/ScsiPassThru.h>\r | |
31 | #include <Protocol/ScsiPassThruExt.h>\r | |
32 | #include <Protocol/ScsiIo.h>\r | |
33 | #include <Protocol/ComponentName.h>\r | |
34 | #include <Protocol/DriverBinding.h>\r | |
35 | #include <Protocol/DevicePath.h>\r | |
36 | //\r | |
37 | // The Library classes this module consumes\r | |
38 | //\r | |
39 | #include <Library/DebugLib.h>\r | |
40 | #include <Library/UefiDriverEntryPoint.h>\r | |
41 | #include <Library/UefiLib.h>\r | |
42 | #include <Library/BaseMemoryLib.h>\r | |
43 | #include <Library/MemoryAllocationLib.h>\r | |
44 | #include <Library/ScsiLib.h>\r | |
45 | #include <Library/UefiBootServicesTableLib.h>\r | |
46 | #include <Library/DevicePathLib.h>\r | |
47 | \r | |
48 | #include "ScsiBus.h"\r | |
49 | \r | |
50 | EFI_DRIVER_BINDING_PROTOCOL gSCSIBusDriverBinding = {\r | |
51 | SCSIBusDriverBindingSupported,\r | |
52 | SCSIBusDriverBindingStart,\r | |
53 | SCSIBusDriverBindingStop,\r | |
54 | 0xa,\r | |
55 | NULL,\r | |
56 | NULL\r | |
57 | };\r | |
58 | \r | |
59 | \r | |
60 | //\r | |
61 | // The ScsiBusProtocol is just used to locate ScsiBusDev\r | |
62 | // structure in the SCSIBusDriverBindingStop(). Then we can\r | |
63 | // Close all opened protocols and release this structure.\r | |
64 | //\r | |
65 | STATIC EFI_GUID mScsiBusProtocolGuid = EFI_SCSI_BUS_PROTOCOL_GUID;\r | |
66 | \r | |
67 | STATIC VOID *WorkingBuffer;\r | |
68 | \r | |
69 | STATIC\r | |
70 | EFI_STATUS\r | |
71 | EFIAPI\r | |
72 | ScsiioToPassThruPacket (\r | |
73 | IN EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet,\r | |
74 | IN OUT EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *CommandPacket\r | |
75 | )\r | |
76 | ;\r | |
77 | \r | |
78 | \r | |
79 | STATIC\r | |
80 | EFI_STATUS\r | |
81 | EFIAPI\r | |
82 | PassThruToScsiioPacket (\r | |
83 | IN EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *ScsiPacket,\r | |
84 | IN OUT EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet\r | |
85 | )\r | |
86 | ;\r | |
87 | STATIC\r | |
88 | VOID\r | |
89 | EFIAPI\r | |
90 | NotifyFunction (\r | |
91 | EFI_EVENT Event,\r | |
92 | VOID *Context\r | |
93 | )\r | |
94 | ;\r | |
95 | \r | |
96 | /**\r | |
97 | The user Entry Point for module ScsiBus. The user code starts with this function.\r | |
98 | \r | |
99 | @param[in] ImageHandle The firmware allocated handle for the EFI image. \r | |
100 | @param[in] SystemTable A pointer to the EFI System Table.\r | |
101 | \r | |
102 | @retval EFI_SUCCESS The entry point is executed successfully.\r | |
103 | @retval other Some error occurs when executing this entry point.\r | |
104 | \r | |
105 | **/\r | |
106 | EFI_STATUS\r | |
107 | EFIAPI\r | |
108 | InitializeScsiBus(\r | |
109 | IN EFI_HANDLE ImageHandle,\r | |
110 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
111 | )\r | |
112 | {\r | |
113 | EFI_STATUS Status;\r | |
114 | \r | |
115 | //\r | |
116 | // Install driver model protocol(s).\r | |
117 | //\r | |
118 | Status = EfiLibInstallAllDriverProtocols (\r | |
119 | ImageHandle,\r | |
120 | SystemTable,\r | |
121 | &gSCSIBusDriverBinding,\r | |
122 | ImageHandle,\r | |
123 | &gScsiBusComponentName,\r | |
124 | NULL,\r | |
125 | NULL\r | |
126 | );\r | |
127 | ASSERT_EFI_ERROR (Status);\r | |
128 | \r | |
129 | \r | |
130 | return Status;\r | |
131 | }\r | |
132 | \r | |
133 | EFI_STATUS\r | |
134 | EFIAPI\r | |
135 | SCSIBusDriverBindingSupported (\r | |
136 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
137 | IN EFI_HANDLE Controller,\r | |
138 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
139 | )\r | |
140 | /*++\r | |
141 | \r | |
142 | Routine Description:\r | |
143 | \r | |
144 | Test to see if this driver supports ControllerHandle. Any ControllerHandle\r | |
145 | that has ExtScsiPassThruProtocol/ScsiPassThruProtocol installed will be supported.\r | |
146 | \r | |
147 | Arguments:\r | |
148 | \r | |
149 | This - Protocol instance pointer.\r | |
150 | Controller - Handle of device to test\r | |
151 | RemainingDevicePath - Not used\r | |
152 | \r | |
153 | Returns:\r | |
154 | \r | |
155 | EFI_SUCCESS - This driver supports this device.\r | |
156 | EFI_UNSUPPORTED - This driver does not support this device.\r | |
157 | \r | |
158 | --*/\r | |
159 | \r | |
160 | {\r | |
161 | EFI_STATUS Status;\r | |
162 | EFI_SCSI_PASS_THRU_PROTOCOL *PassThru;\r | |
163 | EFI_EXT_SCSI_PASS_THRU_PROTOCOL *ExtPassThru;\r | |
164 | //\r | |
165 | // Check for the existence of Extended SCSI Pass Thru Protocol and SCSI Pass Thru Protocol\r | |
166 | //\r | |
167 | Status = gBS->OpenProtocol (\r | |
168 | Controller,\r | |
169 | &gEfiExtScsiPassThruProtocolGuid,\r | |
170 | (VOID **)&ExtPassThru,\r | |
171 | This->DriverBindingHandle,\r | |
172 | Controller,\r | |
173 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
174 | );\r | |
175 | \r | |
176 | if (Status == EFI_ALREADY_STARTED) {\r | |
177 | return EFI_SUCCESS;\r | |
178 | }\r | |
179 | \r | |
180 | if (EFI_ERROR (Status)) {\r | |
181 | Status = gBS->OpenProtocol (\r | |
182 | Controller,\r | |
183 | &gEfiScsiPassThruProtocolGuid,\r | |
184 | (VOID **)&PassThru,\r | |
185 | This->DriverBindingHandle,\r | |
186 | Controller,\r | |
187 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
188 | );\r | |
189 | \r | |
190 | if (Status == EFI_ALREADY_STARTED) {\r | |
191 | return EFI_SUCCESS;\r | |
192 | }\r | |
193 | \r | |
194 | if (EFI_ERROR (Status)) {\r | |
195 | return Status;\r | |
196 | }\r | |
197 | \r | |
198 | gBS->CloseProtocol (\r | |
199 | Controller,\r | |
200 | &gEfiScsiPassThruProtocolGuid,\r | |
201 | This->DriverBindingHandle,\r | |
202 | Controller\r | |
203 | );\r | |
204 | return EFI_SUCCESS;\r | |
205 | }\r | |
206 | \r | |
207 | gBS->CloseProtocol (\r | |
208 | Controller,\r | |
209 | &gEfiExtScsiPassThruProtocolGuid,\r | |
210 | This->DriverBindingHandle,\r | |
211 | Controller\r | |
212 | );\r | |
213 | \r | |
214 | return EFI_SUCCESS;\r | |
215 | }\r | |
216 | \r | |
217 | EFI_STATUS\r | |
218 | EFIAPI\r | |
219 | SCSIBusDriverBindingStart (\r | |
220 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
221 | IN EFI_HANDLE Controller,\r | |
222 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
223 | )\r | |
224 | /*++\r | |
225 | \r | |
226 | Routine Description:\r | |
227 | Starting the SCSI Bus Driver\r | |
228 | \r | |
229 | Arguments:\r | |
230 | This - Protocol instance pointer.\r | |
231 | Controller - Handle of device to test\r | |
232 | RemainingDevicePath - Not used\r | |
233 | \r | |
234 | Returns:\r | |
235 | EFI_SUCCESS - This driver supports this device.\r | |
236 | EFI_UNSUPPORTED - This driver does not support this device.\r | |
237 | EFI_DEVICE_ERROR - This driver cannot be started due to device Error\r | |
238 | \r | |
239 | --*/\r | |
240 | // TODO: This - add argument and description to function comment\r | |
241 | // TODO: Controller - add argument and description to function comment\r | |
242 | // TODO: RemainingDevicePath - add argument and description to function comment\r | |
243 | {\r | |
244 | EFI_STATUS Status;\r | |
245 | UINT64 Lun;\r | |
246 | BOOLEAN ScanOtherPuns;\r | |
247 | SCSI_BUS_DEVICE *ScsiBusDev;\r | |
248 | BOOLEAN FromFirstTarget;\r | |
249 | SCSI_TARGET_ID *ScsiTargetId;\r | |
250 | UINT8 *TargetId;\r | |
251 | \r | |
252 | TargetId = NULL;\r | |
253 | ScanOtherPuns = TRUE;\r | |
254 | FromFirstTarget = FALSE;\r | |
255 | //\r | |
256 | // Allocate SCSI_BUS_DEVICE structure\r | |
257 | //\r | |
258 | ScsiBusDev = NULL;\r | |
259 | ScsiBusDev = AllocateZeroPool (sizeof (SCSI_BUS_DEVICE));\r | |
260 | if (ScsiBusDev == NULL) {\r | |
261 | return EFI_OUT_OF_RESOURCES;\r | |
262 | }\r | |
263 | \r | |
264 | ScsiTargetId = NULL;\r | |
265 | ScsiTargetId = AllocateZeroPool (sizeof (SCSI_TARGET_ID));\r | |
266 | if (ScsiTargetId == NULL) {\r | |
267 | return EFI_OUT_OF_RESOURCES;\r | |
268 | }\r | |
269 | \r | |
270 | TargetId = &ScsiTargetId->ScsiId.ExtScsi[0];\r | |
271 | \r | |
272 | Status = gBS->OpenProtocol (\r | |
273 | Controller,\r | |
274 | &gEfiDevicePathProtocolGuid,\r | |
275 | (VOID **) &(ScsiBusDev->DevicePath),\r | |
276 | This->DriverBindingHandle,\r | |
277 | Controller,\r | |
278 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
279 | );\r | |
280 | if (EFI_ERROR (Status) && Status != EFI_ALREADY_STARTED) {\r | |
281 | gBS->FreePool (ScsiBusDev);\r | |
282 | return Status;\r | |
283 | }\r | |
284 | \r | |
285 | //\r | |
286 | // First consume Extended SCSI Pass Thru protocol, if fail, then consume\r | |
287 | // SCSI Pass Thru protocol\r | |
288 | //\r | |
289 | Status = gBS->OpenProtocol (\r | |
290 | Controller,\r | |
291 | &gEfiExtScsiPassThruProtocolGuid,\r | |
292 | (VOID **) &(ScsiBusDev->ExtScsiInterface),\r | |
293 | This->DriverBindingHandle,\r | |
294 | Controller,\r | |
295 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
296 | );\r | |
297 | if (EFI_ERROR (Status) && Status != EFI_ALREADY_STARTED) {\r | |
298 | Status = gBS->OpenProtocol (\r | |
299 | Controller,\r | |
300 | &gEfiScsiPassThruProtocolGuid,\r | |
301 | (VOID **) &(ScsiBusDev->ScsiInterface),\r | |
302 | This->DriverBindingHandle,\r | |
303 | Controller,\r | |
304 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
305 | );\r | |
306 | if (EFI_ERROR (Status) && Status != EFI_ALREADY_STARTED) {\r | |
307 | gBS->CloseProtocol (\r | |
308 | Controller,\r | |
309 | &gEfiDevicePathProtocolGuid,\r | |
310 | This->DriverBindingHandle,\r | |
311 | Controller\r | |
312 | );\r | |
313 | gBS->FreePool (ScsiBusDev);\r | |
314 | return Status;\r | |
315 | } \r | |
316 | DEBUG ((EFI_D_INFO, "Open Scsi Pass Thrugh Protocol\n"));\r | |
317 | ScsiBusDev->ExtScsiSupport = FALSE;\r | |
318 | } else {\r | |
319 | DEBUG ((EFI_D_INFO, "Open Extended Scsi Pass Thrugh Protocol\n"));\r | |
320 | ScsiBusDev->ExtScsiSupport = TRUE;\r | |
321 | }\r | |
322 | \r | |
323 | ScsiBusDev->Signature = SCSI_BUS_DEVICE_SIGNATURE;\r | |
324 | //\r | |
325 | // Attach EFI_SCSI_BUS_PROTOCOL to controller handle\r | |
326 | //\r | |
327 | Status = gBS->InstallProtocolInterface (\r | |
328 | &Controller,\r | |
329 | &mScsiBusProtocolGuid,\r | |
330 | EFI_NATIVE_INTERFACE,\r | |
331 | &ScsiBusDev->BusIdentify\r | |
332 | );\r | |
333 | \r | |
334 | if (EFI_ERROR (Status)) {\r | |
335 | gBS->CloseProtocol (\r | |
336 | Controller,\r | |
337 | &gEfiDevicePathProtocolGuid,\r | |
338 | This->DriverBindingHandle,\r | |
339 | Controller\r | |
340 | );\r | |
341 | if (ScsiBusDev->ExtScsiSupport) {\r | |
342 | gBS->CloseProtocol (\r | |
343 | Controller,\r | |
344 | &gEfiExtScsiPassThruProtocolGuid,\r | |
345 | This->DriverBindingHandle,\r | |
346 | Controller\r | |
347 | );\r | |
348 | } else {\r | |
349 | gBS->CloseProtocol (\r | |
350 | Controller,\r | |
351 | &gEfiScsiPassThruProtocolGuid,\r | |
352 | This->DriverBindingHandle,\r | |
353 | Controller\r | |
354 | );\r | |
355 | }\r | |
356 | gBS->FreePool (ScsiBusDev);\r | |
357 | return Status;\r | |
358 | }\r | |
359 | \r | |
360 | if (RemainingDevicePath == NULL) {\r | |
361 | SetMem (ScsiTargetId, TARGET_MAX_BYTES,0xFF);\r | |
362 | Lun = 0;\r | |
363 | FromFirstTarget = TRUE;\r | |
364 | } else {\r | |
365 | if (ScsiBusDev->ExtScsiSupport) {\r | |
366 | ScsiBusDev->ExtScsiInterface->GetTargetLun (ScsiBusDev->ExtScsiInterface, RemainingDevicePath, &TargetId, &Lun); \r | |
367 | } else {\r | |
368 | ScsiBusDev->ScsiInterface->GetTargetLun (ScsiBusDev->ScsiInterface, RemainingDevicePath, &ScsiTargetId->ScsiId.Scsi, &Lun);\r | |
369 | }\r | |
370 | }\r | |
371 | \r | |
372 | while(ScanOtherPuns) {\r | |
373 | if (FromFirstTarget) {\r | |
374 | //\r | |
375 | // Remaining Device Path is NULL, scan all the possible Puns in the\r | |
376 | // SCSI Channel.\r | |
377 | //\r | |
378 | if (ScsiBusDev->ExtScsiSupport) {\r | |
379 | Status = ScsiBusDev->ExtScsiInterface->GetNextTargetLun (ScsiBusDev->ExtScsiInterface, &TargetId, &Lun);\r | |
380 | } else {\r | |
381 | Status = ScsiBusDev->ScsiInterface->GetNextDevice (ScsiBusDev->ScsiInterface, &ScsiTargetId->ScsiId.Scsi, &Lun);\r | |
382 | }\r | |
383 | if (EFI_ERROR (Status)) {\r | |
384 | //\r | |
385 | // no legal Pun and Lun found any more\r | |
386 | //\r | |
387 | break;\r | |
388 | }\r | |
389 | } else {\r | |
390 | ScanOtherPuns = FALSE;\r | |
391 | }\r | |
392 | //\r | |
393 | // Avoid creating handle for the host adapter.\r | |
394 | //\r | |
395 | if (ScsiBusDev->ExtScsiSupport) {\r | |
396 | if ((ScsiTargetId->ScsiId.Scsi) == ScsiBusDev->ExtScsiInterface->Mode->AdapterId) {\r | |
397 | continue;\r | |
398 | }\r | |
399 | } else {\r | |
400 | if ((ScsiTargetId->ScsiId.Scsi) == ScsiBusDev->ScsiInterface->Mode->AdapterId) {\r | |
401 | continue;\r | |
402 | }\r | |
403 | }\r | |
404 | //\r | |
405 | // Scan for the scsi device, if it attaches to the scsi bus,\r | |
406 | // then create handle and install scsi i/o protocol.\r | |
407 | //\r | |
408 | Status = ScsiScanCreateDevice (This, Controller, ScsiTargetId, Lun, ScsiBusDev);\r | |
409 | }\r | |
410 | return Status;\r | |
411 | }\r | |
412 | \r | |
413 | EFI_STATUS\r | |
414 | EFIAPI\r | |
415 | SCSIBusDriverBindingStop (\r | |
416 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
417 | IN EFI_HANDLE Controller,\r | |
418 | IN UINTN NumberOfChildren,\r | |
419 | IN EFI_HANDLE *ChildHandleBuffer\r | |
420 | )\r | |
421 | /*++\r | |
422 | \r | |
423 | Routine Description:\r | |
424 | \r | |
425 | Arguments:\r | |
426 | \r | |
427 | Returns:\r | |
428 | \r | |
429 | --*/\r | |
430 | // TODO: This - add argument and description to function comment\r | |
431 | // TODO: Controller - add argument and description to function comment\r | |
432 | // TODO: NumberOfChildren - add argument and description to function comment\r | |
433 | // TODO: ChildHandleBuffer - add argument and description to function comment\r | |
434 | // TODO: EFI_SUCCESS - add return value to function comment\r | |
435 | // TODO: EFI_DEVICE_ERROR - add return value to function comment\r | |
436 | // TODO: EFI_SUCCESS - add return value to function comment\r | |
437 | {\r | |
438 | EFI_STATUS Status;\r | |
439 | BOOLEAN AllChildrenStopped;\r | |
440 | UINTN Index;\r | |
441 | EFI_SCSI_IO_PROTOCOL *ScsiIo;\r | |
442 | SCSI_IO_DEV *ScsiIoDevice;\r | |
443 | VOID *ScsiPassThru;\r | |
444 | EFI_SCSI_BUS_PROTOCOL *Scsidentifier;\r | |
445 | SCSI_BUS_DEVICE *ScsiBusDev;\r | |
446 | \r | |
447 | if (NumberOfChildren == 0) {\r | |
448 | //\r | |
449 | // Get the SCSI_BUS_DEVICE\r | |
450 | //\r | |
451 | Status = gBS->OpenProtocol (\r | |
452 | Controller,\r | |
453 | &mScsiBusProtocolGuid,\r | |
454 | (VOID **) &Scsidentifier,\r | |
455 | This->DriverBindingHandle,\r | |
456 | Controller,\r | |
457 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
458 | );\r | |
459 | \r | |
460 | if (EFI_ERROR (Status)) {\r | |
461 | return EFI_DEVICE_ERROR;\r | |
462 | }\r | |
463 | \r | |
464 | ScsiBusDev = SCSI_BUS_CONTROLLER_DEVICE_FROM_THIS (Scsidentifier);\r | |
465 | \r | |
466 | //\r | |
467 | // Uninstall SCSI Bus Protocol\r | |
468 | //\r | |
469 | gBS->UninstallProtocolInterface (\r | |
470 | Controller,\r | |
471 | &mScsiBusProtocolGuid,\r | |
472 | &ScsiBusDev->BusIdentify\r | |
473 | );\r | |
474 | \r | |
475 | //\r | |
476 | // Close the bus driver\r | |
477 | //\r | |
478 | if (ScsiBusDev->ExtScsiSupport) {\r | |
479 | gBS->CloseProtocol (\r | |
480 | Controller,\r | |
481 | &gEfiExtScsiPassThruProtocolGuid,\r | |
482 | This->DriverBindingHandle,\r | |
483 | Controller\r | |
484 | );\r | |
485 | } else {\r | |
486 | gBS->CloseProtocol (\r | |
487 | Controller,\r | |
488 | &gEfiScsiPassThruProtocolGuid,\r | |
489 | This->DriverBindingHandle,\r | |
490 | Controller\r | |
491 | );\r | |
492 | }\r | |
493 | \r | |
494 | gBS->CloseProtocol (\r | |
495 | Controller,\r | |
496 | &gEfiDevicePathProtocolGuid,\r | |
497 | This->DriverBindingHandle,\r | |
498 | Controller\r | |
499 | );\r | |
500 | gBS->FreePool (ScsiBusDev);\r | |
501 | return EFI_SUCCESS;\r | |
502 | }\r | |
503 | \r | |
504 | AllChildrenStopped = TRUE;\r | |
505 | \r | |
506 | for (Index = 0; Index < NumberOfChildren; Index++) {\r | |
507 | \r | |
508 | Status = gBS->OpenProtocol (\r | |
509 | ChildHandleBuffer[Index],\r | |
510 | &gEfiScsiIoProtocolGuid,\r | |
511 | (VOID **) &ScsiIo,\r | |
512 | This->DriverBindingHandle,\r | |
513 | Controller,\r | |
514 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
515 | );\r | |
516 | if (EFI_ERROR (Status)) {\r | |
517 | AllChildrenStopped = FALSE;\r | |
518 | continue;\r | |
519 | }\r | |
520 | \r | |
521 | ScsiIoDevice = SCSI_IO_DEV_FROM_THIS (ScsiIo);\r | |
522 | //\r | |
523 | // Close the child handle\r | |
524 | //\r | |
525 | if (ScsiIoDevice->ExtScsiSupport) {\r | |
526 | Status = gBS->CloseProtocol (\r | |
527 | Controller,\r | |
528 | &gEfiExtScsiPassThruProtocolGuid,\r | |
529 | This->DriverBindingHandle,\r | |
530 | ChildHandleBuffer[Index]\r | |
531 | );\r | |
532 | \r | |
533 | } else {\r | |
534 | Status = gBS->CloseProtocol (\r | |
535 | Controller,\r | |
536 | &gEfiScsiPassThruProtocolGuid,\r | |
537 | This->DriverBindingHandle,\r | |
538 | ChildHandleBuffer[Index]\r | |
539 | );\r | |
540 | }\r | |
541 | \r | |
542 | Status = gBS->UninstallMultipleProtocolInterfaces (\r | |
543 | ChildHandleBuffer[Index],\r | |
544 | &gEfiDevicePathProtocolGuid,\r | |
545 | ScsiIoDevice->DevicePath,\r | |
546 | &gEfiScsiIoProtocolGuid,\r | |
547 | &ScsiIoDevice->ScsiIo,\r | |
548 | NULL\r | |
549 | );\r | |
550 | if (EFI_ERROR (Status)) {\r | |
551 | AllChildrenStopped = FALSE;\r | |
552 | if (ScsiIoDevice->ExtScsiSupport) {\r | |
553 | gBS->OpenProtocol (\r | |
554 | Controller,\r | |
555 | &gEfiExtScsiPassThruProtocolGuid,\r | |
556 | &(EFI_EXT_SCSI_PASS_THRU_PROTOCOL*)ScsiPassThru,\r | |
557 | This->DriverBindingHandle,\r | |
558 | ChildHandleBuffer[Index],\r | |
559 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r | |
560 | );\r | |
561 | } else {\r | |
562 | gBS->OpenProtocol (\r | |
563 | Controller,\r | |
564 | &gEfiScsiPassThruProtocolGuid,\r | |
565 | &(EFI_SCSI_PASS_THRU_PROTOCOL*)ScsiPassThru,\r | |
566 | This->DriverBindingHandle,\r | |
567 | ChildHandleBuffer[Index],\r | |
568 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r | |
569 | );\r | |
570 | }\r | |
571 | } else {\r | |
572 | gBS->FreePool (ScsiIoDevice);\r | |
573 | }\r | |
574 | }\r | |
575 | \r | |
576 | if (!AllChildrenStopped) {\r | |
577 | return EFI_DEVICE_ERROR;\r | |
578 | }\r | |
579 | \r | |
580 | return EFI_SUCCESS;\r | |
581 | }\r | |
582 | \r | |
583 | EFI_STATUS\r | |
584 | EFIAPI\r | |
585 | ScsiGetDeviceType (\r | |
586 | IN EFI_SCSI_IO_PROTOCOL *This,\r | |
587 | OUT UINT8 *DeviceType\r | |
588 | )\r | |
589 | /*++\r | |
590 | \r | |
591 | Routine Description:\r | |
592 | Retrieves the device type information of the SCSI Controller.\r | |
593 | \r | |
594 | Arguments:\r | |
595 | This - Protocol instance pointer.\r | |
596 | DeviceType - A pointer to the device type information\r | |
597 | retrieved from the SCSI Controller. \r | |
598 | \r | |
599 | Returns:\r | |
600 | EFI_SUCCESS - Retrieves the device type information successfully.\r | |
601 | EFI_INVALID_PARAMETER - The DeviceType is NULL.\r | |
602 | --*/\r | |
603 | {\r | |
604 | SCSI_IO_DEV *ScsiIoDevice;\r | |
605 | \r | |
606 | if (DeviceType == NULL) {\r | |
607 | return EFI_INVALID_PARAMETER;\r | |
608 | }\r | |
609 | \r | |
610 | ScsiIoDevice = SCSI_IO_DEV_FROM_THIS (This);\r | |
611 | *DeviceType = ScsiIoDevice->ScsiDeviceType;\r | |
612 | return EFI_SUCCESS;\r | |
613 | }\r | |
614 | \r | |
615 | EFI_STATUS\r | |
616 | EFIAPI\r | |
617 | ScsiGetDeviceLocation (\r | |
618 | IN EFI_SCSI_IO_PROTOCOL *This,\r | |
619 | IN OUT UINT8 **Target,\r | |
620 | OUT UINT64 *Lun\r | |
621 | )\r | |
622 | /*++\r | |
623 | Routine Description:\r | |
624 | Retrieves the device location in the SCSI channel.\r | |
625 | \r | |
626 | Arguments:\r | |
627 | This - Protocol instance pointer.\r | |
628 | Target - A pointer to the Target ID of a SCSI device \r | |
629 | on the SCSI channel. \r | |
630 | Lun - A pointer to the LUN of the SCSI device on \r | |
631 | the SCSI channel.\r | |
632 | \r | |
633 | Returns:\r | |
634 | EFI_SUCCESS - Retrieves the device location successfully.\r | |
635 | EFI_INVALID_PARAMETER - The Target or Lun is NULL.\r | |
636 | --*/\r | |
637 | {\r | |
638 | SCSI_IO_DEV *ScsiIoDevice;\r | |
639 | \r | |
640 | if (Target == NULL || Lun == NULL) {\r | |
641 | return EFI_INVALID_PARAMETER;\r | |
642 | }\r | |
643 | \r | |
644 | ScsiIoDevice = SCSI_IO_DEV_FROM_THIS (This);\r | |
645 | \r | |
646 | CopyMem (*Target,&ScsiIoDevice->Pun, TARGET_MAX_BYTES);\r | |
647 | \r | |
648 | *Lun = ScsiIoDevice->Lun;\r | |
649 | \r | |
650 | return EFI_SUCCESS;\r | |
651 | }\r | |
652 | \r | |
653 | EFI_STATUS\r | |
654 | EFIAPI\r | |
655 | ScsiResetBus (\r | |
656 | IN EFI_SCSI_IO_PROTOCOL *This\r | |
657 | )\r | |
658 | /*++\r | |
659 | \r | |
660 | Routine Description:\r | |
661 | Resets the SCSI Bus that the SCSI Controller is attached to.\r | |
662 | \r | |
663 | Arguments:\r | |
664 | This - Protocol instance pointer.\r | |
665 | \r | |
666 | Returns:\r | |
667 | EFI_SUCCESS - The SCSI bus is reset successfully.\r | |
668 | EFI_DEVICE_ERROR - Errors encountered when resetting the SCSI bus.\r | |
669 | EFI_UNSUPPORTED - The bus reset operation is not supported by the\r | |
670 | SCSI Host Controller.\r | |
671 | EFI_TIMEOUT - A timeout occurred while attempting to reset \r | |
672 | the SCSI bus.\r | |
673 | --*/\r | |
674 | {\r | |
675 | SCSI_IO_DEV *ScsiIoDevice;\r | |
676 | \r | |
677 | ScsiIoDevice = SCSI_IO_DEV_FROM_THIS (This);\r | |
678 | \r | |
679 | if (ScsiIoDevice->ExtScsiSupport){\r | |
680 | return ScsiIoDevice->ExtScsiPassThru->ResetChannel (ScsiIoDevice->ExtScsiPassThru);\r | |
681 | } else {\r | |
682 | return ScsiIoDevice->ScsiPassThru->ResetChannel (ScsiIoDevice->ScsiPassThru);\r | |
683 | }\r | |
684 | }\r | |
685 | \r | |
686 | EFI_STATUS\r | |
687 | EFIAPI\r | |
688 | ScsiResetDevice (\r | |
689 | IN EFI_SCSI_IO_PROTOCOL *This\r | |
690 | )\r | |
691 | /*++\r | |
692 | \r | |
693 | Routine Description:\r | |
694 | Resets the SCSI Controller that the device handle specifies.\r | |
695 | \r | |
696 | Arguments:\r | |
697 | This - Protocol instance pointer.\r | |
698 | \r | |
699 | \r | |
700 | Returns:\r | |
701 | EFI_SUCCESS - Reset the SCSI controller successfully.\r | |
702 | EFI_DEVICE_ERROR - Errors are encountered when resetting the\r | |
703 | SCSI Controller.\r | |
704 | EFI_UNSUPPORTED - The SCSI bus does not support a device \r | |
705 | reset operation.\r | |
706 | EFI_TIMEOUT - A timeout occurred while attempting to \r | |
707 | reset the SCSI Controller.\r | |
708 | --*/\r | |
709 | {\r | |
710 | SCSI_IO_DEV *ScsiIoDevice;\r | |
711 | UINT8 Target[TARGET_MAX_BYTES];\r | |
712 | \r | |
713 | ScsiIoDevice = SCSI_IO_DEV_FROM_THIS (This);\r | |
714 | CopyMem (Target,&ScsiIoDevice->Pun, TARGET_MAX_BYTES);\r | |
715 | \r | |
716 | \r | |
717 | if (ScsiIoDevice->ExtScsiSupport) {\r | |
718 | return ScsiIoDevice->ExtScsiPassThru->ResetTargetLun (\r | |
719 | ScsiIoDevice->ExtScsiPassThru,\r | |
720 | Target,\r | |
721 | ScsiIoDevice->Lun\r | |
722 | );\r | |
723 | } else {\r | |
724 | return ScsiIoDevice->ScsiPassThru->ResetTarget (\r | |
725 | ScsiIoDevice->ScsiPassThru,\r | |
726 | ScsiIoDevice->Pun.ScsiId.Scsi,\r | |
727 | ScsiIoDevice->Lun\r | |
728 | );\r | |
729 | }\r | |
730 | }\r | |
731 | \r | |
732 | EFI_STATUS\r | |
733 | EFIAPI\r | |
734 | ScsiExecuteSCSICommand (\r | |
735 | IN EFI_SCSI_IO_PROTOCOL *This,\r | |
736 | IN OUT EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet,\r | |
737 | IN EFI_EVENT Event OPTIONAL\r | |
738 | )\r | |
739 | /*++\r | |
740 | \r | |
741 | Routine Description:\r | |
742 | Sends a SCSI Request Packet to the SCSI Controller for execution.\r | |
743 | \r | |
744 | Arguments:\r | |
745 | This - Protocol instance pointer.\r | |
746 | Packet - The SCSI request packet to send to the SCSI \r | |
747 | Controller specified by the device handle.\r | |
748 | Event - If the SCSI bus where the SCSI device is attached\r | |
749 | does not support non-blocking I/O, then Event is \r | |
750 | ignored, and blocking I/O is performed. \r | |
751 | If Event is NULL, then blocking I/O is performed.\r | |
752 | If Event is not NULL and non-blocking I/O is \r | |
753 | supported, then non-blocking I/O is performed,\r | |
754 | and Event will be signaled when the SCSI Request\r | |
755 | Packet completes.\r | |
756 | Returns:\r | |
757 | EFI_SUCCESS - The SCSI Request Packet was sent by the host \r | |
758 | successfully, and TransferLength bytes were \r | |
759 | transferred to/from DataBuffer.See \r | |
760 | HostAdapterStatus, TargetStatus, \r | |
761 | SenseDataLength, and SenseData in that order\r | |
762 | for additional status information.\r | |
763 | EFI_WARN_BUFFER_TOO_SMALL - The SCSI Request Packet was executed, \r | |
764 | but the entire DataBuffer could not be transferred.\r | |
765 | The actual number of bytes transferred is returned\r | |
766 | in TransferLength. See HostAdapterStatus, \r | |
767 | TargetStatus, SenseDataLength, and SenseData in \r | |
768 | that order for additional status information.\r | |
769 | EFI_NOT_READY - The SCSI Request Packet could not be sent because \r | |
770 | there are too many SCSI Command Packets already \r | |
771 | queued.The caller may retry again later.\r | |
772 | EFI_DEVICE_ERROR - A device error occurred while attempting to send \r | |
773 | the SCSI Request Packet. See HostAdapterStatus, \r | |
774 | TargetStatus, SenseDataLength, and SenseData in \r | |
775 | that order for additional status information.\r | |
776 | EFI_INVALID_PARAMETER - The contents of CommandPacket are invalid. \r | |
777 | The SCSI Request Packet was not sent, so no \r | |
778 | additional status information is available.\r | |
779 | EFI_UNSUPPORTED - The command described by the SCSI Request Packet\r | |
780 | is not supported by the SCSI initiator(i.e., SCSI \r | |
781 | Host Controller). The SCSI Request Packet was not\r | |
782 | sent, so no additional status information is \r | |
783 | available.\r | |
784 | EFI_TIMEOUT - A timeout occurred while waiting for the SCSI \r | |
785 | Request Packet to execute. See HostAdapterStatus,\r | |
786 | TargetStatus, SenseDataLength, and SenseData in \r | |
787 | that order for additional status information.\r | |
788 | --*/\r | |
789 | {\r | |
790 | SCSI_IO_DEV *ScsiIoDevice;\r | |
791 | EFI_STATUS Status;\r | |
792 | UINT8 Target[TARGET_MAX_BYTES];\r | |
793 | EFI_EVENT PacketEvent;\r | |
794 | EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *ExtRequestPacket;\r | |
795 | SCSI_EVENT_DATA EventData; \r | |
796 | \r | |
797 | PacketEvent = NULL;\r | |
798 | \r | |
799 | if (Packet == NULL) {\r | |
800 | return EFI_INVALID_PARAMETER;\r | |
801 | }\r | |
802 | \r | |
803 | ScsiIoDevice = SCSI_IO_DEV_FROM_THIS (This);\r | |
804 | CopyMem (Target,&ScsiIoDevice->Pun, TARGET_MAX_BYTES);\r | |
805 | \r | |
806 | if (ScsiIoDevice->ExtScsiSupport) {\r | |
807 | ExtRequestPacket = (EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *) Packet;\r | |
808 | Status = ScsiIoDevice->ExtScsiPassThru->PassThru (\r | |
809 | ScsiIoDevice->ExtScsiPassThru,\r | |
810 | Target,\r | |
811 | ScsiIoDevice->Lun,\r | |
812 | ExtRequestPacket,\r | |
813 | Event\r | |
814 | );\r | |
815 | } else {\r | |
816 | \r | |
817 | Status = gBS->AllocatePool (\r | |
818 | EfiBootServicesData,\r | |
819 | sizeof(EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET),\r | |
820 | (VOID**)&WorkingBuffer\r | |
821 | );\r | |
822 | \r | |
823 | if (EFI_ERROR (Status)) {\r | |
824 | return EFI_DEVICE_ERROR;\r | |
825 | }\r | |
826 | \r | |
827 | //\r | |
828 | // Convert package into EFI1.0, EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET. \r | |
829 | //\r | |
830 | Status = ScsiioToPassThruPacket(Packet, (EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET*)WorkingBuffer);\r | |
831 | if (EFI_ERROR(Status)) {\r | |
832 | gBS->FreePool(WorkingBuffer); \r | |
833 | return Status;\r | |
834 | }\r | |
835 | \r | |
836 | if ((ScsiIoDevice->ScsiPassThru->Mode->Attributes & EFI_SCSI_PASS_THRU_ATTRIBUTES_NONBLOCKIO) && (Event != NULL)) {\r | |
837 | EventData.Data1 = (VOID*)Packet;\r | |
838 | EventData.Data2 = Event;\r | |
839 | //\r | |
840 | // Create Event\r | |
841 | //\r | |
842 | Status = gBS->CreateEvent (\r | |
843 | EVT_NOTIFY_SIGNAL,\r | |
844 | TPL_CALLBACK,\r | |
845 | NotifyFunction,\r | |
846 | &EventData,\r | |
847 | &PacketEvent\r | |
848 | );\r | |
849 | if (EFI_ERROR(Status)) {\r | |
850 | gBS->FreePool(WorkingBuffer);\r | |
851 | return Status;\r | |
852 | }\r | |
853 | \r | |
854 | Status = ScsiIoDevice->ScsiPassThru->PassThru (\r | |
855 | ScsiIoDevice->ScsiPassThru,\r | |
856 | ScsiIoDevice->Pun.ScsiId.Scsi,\r | |
857 | ScsiIoDevice->Lun,\r | |
858 | WorkingBuffer,\r | |
859 | PacketEvent\r | |
860 | );\r | |
861 | \r | |
862 | if (EFI_ERROR(Status)) {\r | |
863 | gBS->FreePool(WorkingBuffer);\r | |
864 | gBS->CloseEvent(PacketEvent);\r | |
865 | return Status;\r | |
866 | }\r | |
867 | \r | |
868 | } else {\r | |
869 | //\r | |
870 | // If there's no event or SCSI Device doesn't support NON-BLOCKING, just convert\r | |
871 | // EFI1.0 PassThru packet back to UEFI2.0 SCSI IO Packet.\r | |
872 | //\r | |
873 | Status = ScsiIoDevice->ScsiPassThru->PassThru (\r | |
874 | ScsiIoDevice->ScsiPassThru,\r | |
875 | ScsiIoDevice->Pun.ScsiId.Scsi,\r | |
876 | ScsiIoDevice->Lun,\r | |
877 | WorkingBuffer,\r | |
878 | Event\r | |
879 | );\r | |
880 | if (EFI_ERROR(Status)) {\r | |
881 | gBS->FreePool(WorkingBuffer);\r | |
882 | return Status;\r | |
883 | }\r | |
884 | \r | |
885 | PassThruToScsiioPacket((EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET*)WorkingBuffer,Packet);\r | |
886 | //\r | |
887 | // After converting EFI1.0 PassThru Packet back to UEFI2.0 SCSI IO Packet,\r | |
888 | // free WorkingBuffer.\r | |
889 | //\r | |
890 | gBS->FreePool(WorkingBuffer);\r | |
891 | }\r | |
892 | }\r | |
893 | return Status;\r | |
894 | }\r | |
895 | \r | |
896 | EFI_STATUS\r | |
897 | EFIAPI \r | |
898 | ScsiScanCreateDevice (\r | |
899 | EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
900 | EFI_HANDLE Controller,\r | |
901 | SCSI_TARGET_ID *TargetId,\r | |
902 | UINT64 Lun,\r | |
903 | SCSI_BUS_DEVICE *ScsiBusDev\r | |
904 | )\r | |
905 | /*++\r | |
906 | \r | |
907 | Routine Description:\r | |
908 | \r | |
909 | Scan SCSI Bus to discover the device, and attach ScsiIoProtocol to it.\r | |
910 | \r | |
911 | Arguments:\r | |
912 | \r | |
913 | This - Protocol instance pointer\r | |
914 | Controller - Controller handle\r | |
915 | Pun - The Pun of the SCSI device on the SCSI channel.\r | |
916 | Lun - The Lun of the SCSI device on the SCSI channel.\r | |
917 | ScsiBusDev - The pointer of SCSI_BUS_DEVICE\r | |
918 | \r | |
919 | Returns:\r | |
920 | \r | |
921 | EFI_SUCCESS - Successfully to discover the device and attach ScsiIoProtocol to it.\r | |
922 | EFI_OUT_OF_RESOURCES - Fail to discover the device.\r | |
923 | \r | |
924 | --*/\r | |
925 | {\r | |
926 | EFI_STATUS Status;\r | |
927 | SCSI_IO_DEV *ScsiIoDevice;\r | |
928 | EFI_DEVICE_PATH_PROTOCOL *ScsiDevicePath;\r | |
929 | \r | |
930 | Status = gBS->AllocatePool (\r | |
931 | EfiBootServicesData,\r | |
932 | sizeof (SCSI_IO_DEV),\r | |
933 | (VOID **) &ScsiIoDevice\r | |
934 | );\r | |
935 | if (EFI_ERROR (Status)) {\r | |
936 | return Status;\r | |
937 | }\r | |
938 | \r | |
939 | ZeroMem (ScsiIoDevice, sizeof (SCSI_IO_DEV));\r | |
940 | \r | |
941 | ScsiIoDevice->Signature = SCSI_IO_DEV_SIGNATURE;\r | |
942 | CopyMem(&ScsiIoDevice->Pun, TargetId, TARGET_MAX_BYTES);\r | |
943 | ScsiIoDevice->Lun = Lun;\r | |
944 | \r | |
945 | if (ScsiBusDev->ExtScsiSupport) {\r | |
946 | ScsiIoDevice->ExtScsiPassThru = ScsiBusDev->ExtScsiInterface;\r | |
947 | ScsiIoDevice->ExtScsiSupport = TRUE;\r | |
948 | ScsiIoDevice->ScsiIo.IoAlign = ScsiIoDevice->ExtScsiPassThru->Mode->IoAlign;\r | |
949 | \r | |
950 | } else {\r | |
951 | ScsiIoDevice->ScsiPassThru = ScsiBusDev->ScsiInterface;\r | |
952 | ScsiIoDevice->ExtScsiSupport = FALSE;\r | |
953 | ScsiIoDevice->ScsiIo.IoAlign = ScsiIoDevice->ScsiPassThru->Mode->IoAlign;\r | |
954 | }\r | |
955 | \r | |
956 | ScsiIoDevice->ScsiIo.GetDeviceType = ScsiGetDeviceType;\r | |
957 | ScsiIoDevice->ScsiIo.GetDeviceLocation = ScsiGetDeviceLocation;\r | |
958 | ScsiIoDevice->ScsiIo.ResetBus = ScsiResetBus;\r | |
959 | ScsiIoDevice->ScsiIo.ResetDevice = ScsiResetDevice;\r | |
960 | ScsiIoDevice->ScsiIo.ExecuteScsiCommand = ScsiExecuteSCSICommand;\r | |
961 | \r | |
962 | \r | |
963 | if (!DiscoverScsiDevice (ScsiIoDevice)) {\r | |
964 | gBS->FreePool (ScsiIoDevice);\r | |
965 | return EFI_OUT_OF_RESOURCES;\r | |
966 | }\r | |
967 | \r | |
968 | //\r | |
969 | // Set Device Path\r | |
970 | //\r | |
971 | if (ScsiIoDevice->ExtScsiSupport){\r | |
972 | Status = ScsiIoDevice->ExtScsiPassThru->BuildDevicePath (\r | |
973 | ScsiIoDevice->ExtScsiPassThru,\r | |
974 | &ScsiIoDevice->Pun.ScsiId.ExtScsi[0],\r | |
975 | ScsiIoDevice->Lun,\r | |
976 | &ScsiDevicePath\r | |
977 | );\r | |
978 | if (Status == EFI_OUT_OF_RESOURCES) {\r | |
979 | gBS->FreePool (ScsiIoDevice);\r | |
980 | return Status;\r | |
981 | }\r | |
982 | } else {\r | |
983 | Status = ScsiIoDevice->ScsiPassThru->BuildDevicePath (\r | |
984 | ScsiIoDevice->ScsiPassThru,\r | |
985 | ScsiIoDevice->Pun.ScsiId.Scsi,\r | |
986 | ScsiIoDevice->Lun,\r | |
987 | &ScsiDevicePath\r | |
988 | );\r | |
989 | if (Status == EFI_OUT_OF_RESOURCES) {\r | |
990 | gBS->FreePool (ScsiIoDevice);\r | |
991 | return Status;\r | |
992 | }\r | |
993 | }\r | |
994 | \r | |
995 | ScsiIoDevice->DevicePath = AppendDevicePathNode (\r | |
996 | ScsiBusDev->DevicePath,\r | |
997 | ScsiDevicePath\r | |
998 | );\r | |
999 | //\r | |
1000 | // The memory space for ScsiDevicePath is allocated in\r | |
1001 | // ScsiPassThru->BuildDevicePath() function; It is no longer used\r | |
1002 | // after EfiAppendDevicePathNode,so free the memory it occupies.\r | |
1003 | //\r | |
1004 | gBS->FreePool (ScsiDevicePath);\r | |
1005 | \r | |
1006 | if (ScsiIoDevice->DevicePath == NULL) {\r | |
1007 | gBS->FreePool (ScsiIoDevice);\r | |
1008 | return EFI_OUT_OF_RESOURCES;\r | |
1009 | }\r | |
1010 | \r | |
1011 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
1012 | &ScsiIoDevice->Handle,\r | |
1013 | &gEfiDevicePathProtocolGuid,\r | |
1014 | ScsiIoDevice->DevicePath,\r | |
1015 | &gEfiScsiIoProtocolGuid,\r | |
1016 | &ScsiIoDevice->ScsiIo,\r | |
1017 | NULL\r | |
1018 | );\r | |
1019 | if (EFI_ERROR (Status)) {\r | |
1020 | gBS->FreePool (ScsiIoDevice);\r | |
1021 | return EFI_OUT_OF_RESOURCES;\r | |
1022 | } else {\r | |
1023 | if (ScsiBusDev->ExtScsiSupport) {\r | |
1024 | gBS->OpenProtocol (\r | |
1025 | Controller,\r | |
1026 | &gEfiExtScsiPassThruProtocolGuid,\r | |
1027 | (VOID **) &(ScsiBusDev->ExtScsiInterface),\r | |
1028 | This->DriverBindingHandle,\r | |
1029 | ScsiIoDevice->Handle,\r | |
1030 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r | |
1031 | );\r | |
1032 | } else {\r | |
1033 | gBS->OpenProtocol (\r | |
1034 | Controller,\r | |
1035 | &gEfiScsiPassThruProtocolGuid,\r | |
1036 | (VOID **) &(ScsiBusDev->ScsiInterface),\r | |
1037 | This->DriverBindingHandle,\r | |
1038 | ScsiIoDevice->Handle,\r | |
1039 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r | |
1040 | );\r | |
1041 | }\r | |
1042 | }\r | |
1043 | return EFI_SUCCESS;\r | |
1044 | }\r | |
1045 | \r | |
1046 | BOOLEAN\r | |
1047 | EFIAPI \r | |
1048 | DiscoverScsiDevice (\r | |
1049 | SCSI_IO_DEV *ScsiIoDevice\r | |
1050 | )\r | |
1051 | /*++\r | |
1052 | \r | |
1053 | Routine Description:\r | |
1054 | \r | |
1055 | Discovery SCSI Device\r | |
1056 | \r | |
1057 | Arguments:\r | |
1058 | \r | |
1059 | ScsiIoDevice - The pointer of SCSI_IO_DEV\r | |
1060 | \r | |
1061 | Returns:\r | |
1062 | \r | |
1063 | TRUE - Find SCSI Device and verify it.\r | |
1064 | FALSE - Unable to find SCSI Device. \r | |
1065 | \r | |
1066 | --*/\r | |
1067 | {\r | |
1068 | EFI_STATUS Status;\r | |
1069 | UINT32 InquiryDataLength;\r | |
1070 | UINT8 SenseDataLength;\r | |
1071 | UINT8 HostAdapterStatus;\r | |
1072 | UINT8 TargetStatus;\r | |
1073 | EFI_SCSI_SENSE_DATA SenseData;\r | |
1074 | EFI_SCSI_INQUIRY_DATA InquiryData;\r | |
1075 | \r | |
1076 | HostAdapterStatus = 0;\r | |
1077 | TargetStatus = 0;\r | |
1078 | //\r | |
1079 | // Using Inquiry command to scan for the device\r | |
1080 | //\r | |
1081 | InquiryDataLength = sizeof (EFI_SCSI_INQUIRY_DATA);\r | |
1082 | SenseDataLength = sizeof (EFI_SCSI_SENSE_DATA);\r | |
1083 | \r | |
1084 | Status = SubmitInquiryCommand (\r | |
1085 | &ScsiIoDevice->ScsiIo,\r | |
1086 | EfiScsiStallSeconds (1),\r | |
1087 | (VOID *) &SenseData,\r | |
1088 | &SenseDataLength,\r | |
1089 | &HostAdapterStatus,\r | |
1090 | &TargetStatus,\r | |
1091 | (VOID *) &InquiryData,\r | |
1092 | &InquiryDataLength,\r | |
1093 | FALSE\r | |
1094 | );\r | |
1095 | if (EFI_ERROR (Status)) {\r | |
1096 | //\r | |
1097 | // ParseSenseData (&SenseData,SenseDataLength);\r | |
1098 | //\r | |
1099 | return FALSE;\r | |
1100 | }\r | |
1101 | //\r | |
1102 | // Retrieved inquiry data successfully\r | |
1103 | //\r | |
1104 | if ((InquiryData.Peripheral_Qualifier != 0) &&\r | |
1105 | (InquiryData.Peripheral_Qualifier != 3)) {\r | |
1106 | return FALSE;\r | |
1107 | }\r | |
1108 | \r | |
1109 | if (InquiryData.Peripheral_Qualifier == 3) {\r | |
1110 | if (InquiryData.Peripheral_Type != 0x1f) {\r | |
1111 | return FALSE;\r | |
1112 | }\r | |
1113 | }\r | |
1114 | \r | |
1115 | if (0x1e >= InquiryData.Peripheral_Type >= 0xa) {\r | |
1116 | return FALSE;\r | |
1117 | }\r | |
1118 | \r | |
1119 | //\r | |
1120 | // valid device type and peripheral qualifier combination.\r | |
1121 | //\r | |
1122 | ScsiIoDevice->ScsiDeviceType = InquiryData.Peripheral_Type;\r | |
1123 | ScsiIoDevice->RemovableDevice = InquiryData.RMB;\r | |
1124 | if (InquiryData.Version == 0) {\r | |
1125 | ScsiIoDevice->ScsiVersion = 0;\r | |
1126 | } else {\r | |
1127 | //\r | |
1128 | // ANSI-approved version\r | |
1129 | //\r | |
1130 | ScsiIoDevice->ScsiVersion = (UINT8) (InquiryData.Version & 0x03);\r | |
1131 | }\r | |
1132 | \r | |
1133 | return TRUE;\r | |
1134 | }\r | |
1135 | \r | |
1136 | \r | |
1137 | STATIC\r | |
1138 | EFI_STATUS\r | |
1139 | EFIAPI\r | |
1140 | ScsiioToPassThruPacket (\r | |
1141 | IN EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet,\r | |
1142 | IN OUT EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *CommandPacket\r | |
1143 | )\r | |
1144 | /*++\r | |
1145 | \r | |
1146 | Routine Description:\r | |
1147 | \r | |
1148 | Convert EFI_SCSI_IO_SCSI_REQUEST_PACKET packet to \r | |
1149 | EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET packet\r | |
1150 | \r | |
1151 | Arguments:\r | |
1152 | \r | |
1153 | Packet - The pointer of EFI_SCSI_IO_SCSI_REQUEST_PACKET\r | |
1154 | CommandPacket - The pointer of EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET\r | |
1155 | \r | |
1156 | Returns:\r | |
1157 | \r | |
1158 | NONE\r | |
1159 | \r | |
1160 | --*/\r | |
1161 | {\r | |
1162 | //\r | |
1163 | //EFI 1.10 doesn't support Bi-Direction Command.\r | |
1164 | //\r | |
1165 | if (Packet->DataDirection == EFI_SCSI_IO_DATA_DIRECTION_BIDIRECTIONAL) {\r | |
1166 | return EFI_UNSUPPORTED;\r | |
1167 | }\r | |
1168 | \r | |
1169 | ZeroMem (CommandPacket, sizeof (EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET));\r | |
1170 | \r | |
1171 | CommandPacket->Timeout = Packet->Timeout;\r | |
1172 | CommandPacket->Cdb = Packet->Cdb;\r | |
1173 | CommandPacket->CdbLength = Packet->CdbLength;\r | |
1174 | CommandPacket->DataDirection = Packet->DataDirection;\r | |
1175 | CommandPacket->HostAdapterStatus = Packet->HostAdapterStatus;\r | |
1176 | CommandPacket->TargetStatus = Packet->TargetStatus;\r | |
1177 | CommandPacket->SenseData = Packet->SenseData;\r | |
1178 | CommandPacket->SenseDataLength = Packet->SenseDataLength;\r | |
1179 | \r | |
1180 | if (Packet->DataDirection == EFI_SCSI_IO_DATA_DIRECTION_READ) {\r | |
1181 | CommandPacket->DataBuffer = Packet->InDataBuffer;\r | |
1182 | CommandPacket->TransferLength = Packet->InTransferLength;\r | |
1183 | } else if (Packet->DataDirection == EFI_SCSI_IO_DATA_DIRECTION_WRITE) {\r | |
1184 | CommandPacket->DataBuffer = Packet->OutDataBuffer;\r | |
1185 | CommandPacket->TransferLength = Packet->OutTransferLength;\r | |
1186 | }\r | |
1187 | return EFI_SUCCESS;\r | |
1188 | }\r | |
1189 | \r | |
1190 | \r | |
1191 | STATIC\r | |
1192 | EFI_STATUS\r | |
1193 | EFIAPI\r | |
1194 | PassThruToScsiioPacket (\r | |
1195 | IN EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *ScsiPacket,\r | |
1196 | IN OUT EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet\r | |
1197 | )\r | |
1198 | /*++\r | |
1199 | \r | |
1200 | Routine Description:\r | |
1201 | \r | |
1202 | Convert EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET packet to \r | |
1203 | EFI_SCSI_IO_SCSI_REQUEST_PACKET packet\r | |
1204 | \r | |
1205 | Arguments:\r | |
1206 | \r | |
1207 | ScsiPacket - The pointer of EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET\r | |
1208 | Packet - The pointer of EFI_SCSI_IO_SCSI_REQUEST_PACKET\r | |
1209 | \r | |
1210 | Returns:\r | |
1211 | \r | |
1212 | NONE\r | |
1213 | \r | |
1214 | --*/\r | |
1215 | {\r | |
1216 | Packet->Timeout = ScsiPacket->Timeout;\r | |
1217 | Packet->Cdb = ScsiPacket->Cdb;\r | |
1218 | Packet->CdbLength = ScsiPacket->CdbLength;\r | |
1219 | Packet->DataDirection = ScsiPacket->DataDirection;\r | |
1220 | Packet->HostAdapterStatus = ScsiPacket->HostAdapterStatus;\r | |
1221 | Packet->TargetStatus = ScsiPacket->TargetStatus;\r | |
1222 | Packet->SenseData = ScsiPacket->SenseData;\r | |
1223 | Packet->SenseDataLength = ScsiPacket->SenseDataLength;\r | |
1224 | \r | |
1225 | if (ScsiPacket->DataDirection == EFI_SCSI_IO_DATA_DIRECTION_READ) {\r | |
1226 | Packet->InDataBuffer = ScsiPacket->DataBuffer;\r | |
1227 | Packet->InTransferLength = ScsiPacket->TransferLength;\r | |
1228 | } else if (Packet->DataDirection == EFI_SCSI_IO_DATA_DIRECTION_WRITE) {\r | |
1229 | Packet->OutDataBuffer = ScsiPacket->DataBuffer;\r | |
1230 | Packet->OutTransferLength = ScsiPacket->TransferLength;\r | |
1231 | }\r | |
1232 | \r | |
1233 | return EFI_SUCCESS;\r | |
1234 | }\r | |
1235 | \r | |
1236 | \r | |
1237 | \r | |
1238 | STATIC\r | |
1239 | VOID\r | |
1240 | EFIAPI\r | |
1241 | NotifyFunction (\r | |
1242 | EFI_EVENT Event,\r | |
1243 | VOID *Context\r | |
1244 | )\r | |
1245 | /*++\r | |
1246 | \r | |
1247 | Routine Description:\r | |
1248 | \r | |
1249 | Notify Function in which convert EFI1.0 PassThru Packet back to UEF2.0 \r | |
1250 | SCSI IO Packet.\r | |
1251 | \r | |
1252 | Arguments:\r | |
1253 | \r | |
1254 | Event - The instance of EFI_EVENT.\r | |
1255 | Context - The parameter passed in.\r | |
1256 | \r | |
1257 | Returns:\r | |
1258 | \r | |
1259 | NONE\r | |
1260 | \r | |
1261 | --*/ \r | |
1262 | {\r | |
1263 | EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet;\r | |
1264 | EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *ScsiPacket;\r | |
1265 | EFI_EVENT CallerEvent;\r | |
1266 | SCSI_EVENT_DATA *PassData; \r | |
1267 | \r | |
1268 | PassData = (SCSI_EVENT_DATA*)Context;\r | |
1269 | Packet = (EFI_SCSI_IO_SCSI_REQUEST_PACKET *)PassData->Data1;\r | |
1270 | ScsiPacket = (EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET*)WorkingBuffer;\r | |
1271 | \r | |
1272 | //\r | |
1273 | // Convert EFI1.0 PassThru packet to UEFI2.0 SCSI IO Packet.\r | |
1274 | //\r | |
1275 | PassThruToScsiioPacket(ScsiPacket, Packet);\r | |
1276 | \r | |
1277 | //\r | |
1278 | // After converting EFI1.0 PassThru Packet back to UEFI2.0 SCSI IO Packet,\r | |
1279 | // free WorkingBuffer.\r | |
1280 | //\r | |
1281 | gBS->FreePool(WorkingBuffer);\r | |
1282 | \r | |
1283 | //\r | |
1284 | // Signal Event to tell caller to pick up UEFI2.0 SCSI IO Packet.\r | |
1285 | //\r | |
1286 | CallerEvent = PassData->Data2;\r | |
1287 | gBS->CloseEvent(Event);\r | |
1288 | gBS->SignalEvent(CallerEvent);\r | |
1289 | }\r |