3a10d471 |
1 | /*++\r |
2 | \r |
c52fa98c |
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 |
3a10d471 |
11 | \r |
12 | Module Name:\r |
13 | \r |
14 | scsibus.c\r |
c52fa98c |
15 | \r |
16 | Abstract:\r |
17 | \r |
3a10d471 |
18 | \r |
19 | Revision History\r |
20 | --*/\r |
21 | \r |
ed7748fe |
22 | \r |
3a10d471 |
23 | #include <PiDxe.h>\r |
24 | \r |
ed7748fe |
25 | \r |
3a10d471 |
26 | #include <Protocol/ScsiPassThru.h>\r |
70c94b3b |
27 | #include <Protocol/ScsiPassThruExt.h>\r |
3a10d471 |
28 | #include <Protocol/ScsiIo.h>\r |
29 | #include <Protocol/ComponentName.h>\r |
30 | #include <Protocol/DriverBinding.h>\r |
31 | #include <Protocol/DevicePath.h>\r |
ed7748fe |
32 | \r |
3a10d471 |
33 | #include <Library/DebugLib.h>\r |
34 | #include <Library/UefiDriverEntryPoint.h>\r |
35 | #include <Library/UefiLib.h>\r |
36 | #include <Library/BaseMemoryLib.h>\r |
70c94b3b |
37 | #include <Library/MemoryAllocationLib.h>\r |
3a10d471 |
38 | #include <Library/ScsiLib.h>\r |
39 | #include <Library/UefiBootServicesTableLib.h>\r |
40 | #include <Library/DevicePathLib.h>\r |
41 | \r |
42 | #include "ScsiBus.h"\r |
43 | \r |
44 | EFI_DRIVER_BINDING_PROTOCOL gSCSIBusDriverBinding = {\r |
45 | SCSIBusDriverBindingSupported,\r |
46 | SCSIBusDriverBindingStart,\r |
47 | SCSIBusDriverBindingStop,\r |
48 | 0xa,\r |
49 | NULL,\r |
50 | NULL\r |
51 | };\r |
52 | \r |
70c94b3b |
53 | \r |
54 | //\r |
55 | // The ScsiBusProtocol is just used to locate ScsiBusDev\r |
56 | // structure in the SCSIBusDriverBindingStop(). Then we can\r |
57 | // Close all opened protocols and release this structure.\r |
58 | //\r |
59 | STATIC EFI_GUID mScsiBusProtocolGuid = EFI_SCSI_BUS_PROTOCOL_GUID;\r |
60 | \r |
61 | STATIC VOID *WorkingBuffer;\r |
62 | \r |
63 | STATIC\r |
64 | EFI_STATUS\r |
65 | EFIAPI\r |
66 | ScsiioToPassThruPacket (\r |
67 | IN EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet,\r |
68 | IN OUT EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *CommandPacket\r |
69 | )\r |
70 | ;\r |
71 | \r |
72 | \r |
73 | STATIC\r |
74 | EFI_STATUS\r |
75 | EFIAPI\r |
76 | PassThruToScsiioPacket (\r |
77 | IN EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *ScsiPacket,\r |
78 | IN OUT EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet\r |
79 | )\r |
80 | ;\r |
81 | STATIC\r |
82 | VOID\r |
83 | EFIAPI\r |
84 | NotifyFunction (\r |
85 | EFI_EVENT Event,\r |
86 | VOID *Context\r |
87 | )\r |
88 | ;\r |
89 | \r |
3a10d471 |
90 | /**\r |
91 | The user Entry Point for module ScsiBus. The user code starts with this function.\r |
92 | \r |
c52fa98c |
93 | @param[in] ImageHandle The firmware allocated handle for the EFI image.\r |
3a10d471 |
94 | @param[in] SystemTable A pointer to the EFI System Table.\r |
c52fa98c |
95 | \r |
3a10d471 |
96 | @retval EFI_SUCCESS The entry point is executed successfully.\r |
97 | @retval other Some error occurs when executing this entry point.\r |
98 | \r |
99 | **/\r |
100 | EFI_STATUS\r |
101 | EFIAPI\r |
102 | InitializeScsiBus(\r |
103 | IN EFI_HANDLE ImageHandle,\r |
104 | IN EFI_SYSTEM_TABLE *SystemTable\r |
105 | )\r |
106 | {\r |
107 | EFI_STATUS Status;\r |
108 | \r |
109 | //\r |
110 | // Install driver model protocol(s).\r |
111 | //\r |
112 | Status = EfiLibInstallAllDriverProtocols (\r |
113 | ImageHandle,\r |
114 | SystemTable,\r |
115 | &gSCSIBusDriverBinding,\r |
116 | ImageHandle,\r |
117 | &gScsiBusComponentName,\r |
118 | NULL,\r |
119 | NULL\r |
120 | );\r |
121 | ASSERT_EFI_ERROR (Status);\r |
122 | \r |
123 | \r |
124 | return Status;\r |
125 | }\r |
126 | \r |
127 | EFI_STATUS\r |
128 | EFIAPI\r |
129 | SCSIBusDriverBindingSupported (\r |
130 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r |
131 | IN EFI_HANDLE Controller,\r |
132 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r |
133 | )\r |
134 | /*++\r |
70c94b3b |
135 | \r |
136 | Routine Description:\r |
137 | \r |
138 | Test to see if this driver supports ControllerHandle. Any ControllerHandle\r |
139 | that has ExtScsiPassThruProtocol/ScsiPassThruProtocol installed will be supported.\r |
140 | \r |
141 | Arguments:\r |
142 | \r |
143 | This - Protocol instance pointer.\r |
144 | Controller - Handle of device to test\r |
145 | RemainingDevicePath - Not used\r |
146 | \r |
147 | Returns:\r |
148 | \r |
149 | EFI_SUCCESS - This driver supports this device.\r |
150 | EFI_UNSUPPORTED - This driver does not support this device.\r |
151 | \r |
3a10d471 |
152 | --*/\r |
70c94b3b |
153 | \r |
3a10d471 |
154 | {\r |
155 | EFI_STATUS Status;\r |
70c94b3b |
156 | EFI_SCSI_PASS_THRU_PROTOCOL *PassThru;\r |
157 | EFI_EXT_SCSI_PASS_THRU_PROTOCOL *ExtPassThru;\r |
3a10d471 |
158 | //\r |
70c94b3b |
159 | // Check for the existence of Extended SCSI Pass Thru Protocol and SCSI Pass Thru Protocol\r |
3a10d471 |
160 | //\r |
161 | Status = gBS->OpenProtocol (\r |
162 | Controller,\r |
70c94b3b |
163 | &gEfiExtScsiPassThruProtocolGuid,\r |
164 | (VOID **)&ExtPassThru,\r |
3a10d471 |
165 | This->DriverBindingHandle,\r |
166 | Controller,\r |
70c94b3b |
167 | EFI_OPEN_PROTOCOL_BY_DRIVER\r |
3a10d471 |
168 | );\r |
c52fa98c |
169 | \r |
70c94b3b |
170 | if (Status == EFI_ALREADY_STARTED) {\r |
171 | return EFI_SUCCESS;\r |
172 | }\r |
c52fa98c |
173 | \r |
70c94b3b |
174 | if (EFI_ERROR (Status)) {\r |
175 | Status = gBS->OpenProtocol (\r |
176 | Controller,\r |
177 | &gEfiScsiPassThruProtocolGuid,\r |
178 | (VOID **)&PassThru,\r |
179 | This->DriverBindingHandle,\r |
180 | Controller,\r |
181 | EFI_OPEN_PROTOCOL_BY_DRIVER\r |
182 | );\r |
c52fa98c |
183 | \r |
70c94b3b |
184 | if (Status == EFI_ALREADY_STARTED) {\r |
185 | return EFI_SUCCESS;\r |
186 | }\r |
c52fa98c |
187 | \r |
70c94b3b |
188 | if (EFI_ERROR (Status)) {\r |
189 | return Status;\r |
190 | }\r |
191 | \r |
192 | gBS->CloseProtocol (\r |
193 | Controller,\r |
194 | &gEfiScsiPassThruProtocolGuid,\r |
195 | This->DriverBindingHandle,\r |
196 | Controller\r |
197 | );\r |
198 | return EFI_SUCCESS;\r |
3a10d471 |
199 | }\r |
c52fa98c |
200 | \r |
70c94b3b |
201 | gBS->CloseProtocol (\r |
202 | Controller,\r |
203 | &gEfiExtScsiPassThruProtocolGuid,\r |
204 | This->DriverBindingHandle,\r |
205 | Controller\r |
206 | );\r |
3a10d471 |
207 | \r |
208 | return EFI_SUCCESS;\r |
209 | }\r |
210 | \r |
211 | EFI_STATUS\r |
212 | EFIAPI\r |
213 | SCSIBusDriverBindingStart (\r |
214 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r |
215 | IN EFI_HANDLE Controller,\r |
216 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r |
217 | )\r |
218 | /*++\r |
70c94b3b |
219 | \r |
220 | Routine Description:\r |
221 | Starting the SCSI Bus Driver\r |
222 | \r |
223 | Arguments:\r |
224 | This - Protocol instance pointer.\r |
225 | Controller - Handle of device to test\r |
226 | RemainingDevicePath - Not used\r |
227 | \r |
228 | Returns:\r |
229 | EFI_SUCCESS - This driver supports this device.\r |
230 | EFI_UNSUPPORTED - This driver does not support this device.\r |
231 | EFI_DEVICE_ERROR - This driver cannot be started due to device Error\r |
232 | \r |
3a10d471 |
233 | --*/\r |
234 | // TODO: This - add argument and description to function comment\r |
235 | // TODO: Controller - add argument and description to function comment\r |
236 | // TODO: RemainingDevicePath - add argument and description to function comment\r |
237 | {\r |
238 | EFI_STATUS Status;\r |
3a10d471 |
239 | UINT64 Lun;\r |
240 | BOOLEAN ScanOtherPuns;\r |
70c94b3b |
241 | SCSI_BUS_DEVICE *ScsiBusDev;\r |
242 | BOOLEAN FromFirstTarget;\r |
243 | SCSI_TARGET_ID *ScsiTargetId;\r |
244 | UINT8 *TargetId;\r |
245 | \r |
246 | TargetId = NULL;\r |
247 | ScanOtherPuns = TRUE;\r |
248 | FromFirstTarget = FALSE;\r |
249 | //\r |
250 | // Allocate SCSI_BUS_DEVICE structure\r |
251 | //\r |
252 | ScsiBusDev = NULL;\r |
253 | ScsiBusDev = AllocateZeroPool (sizeof (SCSI_BUS_DEVICE));\r |
254 | if (ScsiBusDev == NULL) {\r |
255 | return EFI_OUT_OF_RESOURCES;\r |
256 | }\r |
3a10d471 |
257 | \r |
70c94b3b |
258 | ScsiTargetId = NULL;\r |
259 | ScsiTargetId = AllocateZeroPool (sizeof (SCSI_TARGET_ID));\r |
260 | if (ScsiTargetId == NULL) {\r |
261 | return EFI_OUT_OF_RESOURCES;\r |
262 | }\r |
263 | \r |
264 | TargetId = &ScsiTargetId->ScsiId.ExtScsi[0];\r |
c52fa98c |
265 | \r |
3a10d471 |
266 | Status = gBS->OpenProtocol (\r |
267 | Controller,\r |
268 | &gEfiDevicePathProtocolGuid,\r |
70c94b3b |
269 | (VOID **) &(ScsiBusDev->DevicePath),\r |
3a10d471 |
270 | This->DriverBindingHandle,\r |
271 | Controller,\r |
272 | EFI_OPEN_PROTOCOL_BY_DRIVER\r |
273 | );\r |
274 | if (EFI_ERROR (Status) && Status != EFI_ALREADY_STARTED) {\r |
70c94b3b |
275 | gBS->FreePool (ScsiBusDev);\r |
3a10d471 |
276 | return Status;\r |
277 | }\r |
278 | \r |
279 | //\r |
70c94b3b |
280 | // First consume Extended SCSI Pass Thru protocol, if fail, then consume\r |
281 | // SCSI Pass Thru protocol\r |
3a10d471 |
282 | //\r |
283 | Status = gBS->OpenProtocol (\r |
284 | Controller,\r |
70c94b3b |
285 | &gEfiExtScsiPassThruProtocolGuid,\r |
286 | (VOID **) &(ScsiBusDev->ExtScsiInterface),\r |
3a10d471 |
287 | This->DriverBindingHandle,\r |
288 | Controller,\r |
289 | EFI_OPEN_PROTOCOL_BY_DRIVER\r |
290 | );\r |
291 | if (EFI_ERROR (Status) && Status != EFI_ALREADY_STARTED) {\r |
70c94b3b |
292 | Status = gBS->OpenProtocol (\r |
293 | Controller,\r |
294 | &gEfiScsiPassThruProtocolGuid,\r |
295 | (VOID **) &(ScsiBusDev->ScsiInterface),\r |
296 | This->DriverBindingHandle,\r |
297 | Controller,\r |
298 | EFI_OPEN_PROTOCOL_BY_DRIVER\r |
299 | );\r |
300 | if (EFI_ERROR (Status) && Status != EFI_ALREADY_STARTED) {\r |
301 | gBS->CloseProtocol (\r |
302 | Controller,\r |
303 | &gEfiDevicePathProtocolGuid,\r |
304 | This->DriverBindingHandle,\r |
305 | Controller\r |
306 | );\r |
307 | gBS->FreePool (ScsiBusDev);\r |
308 | return Status;\r |
c52fa98c |
309 | }\r |
70c94b3b |
310 | DEBUG ((EFI_D_INFO, "Open Scsi Pass Thrugh Protocol\n"));\r |
311 | ScsiBusDev->ExtScsiSupport = FALSE;\r |
312 | } else {\r |
313 | DEBUG ((EFI_D_INFO, "Open Extended Scsi Pass Thrugh Protocol\n"));\r |
314 | ScsiBusDev->ExtScsiSupport = TRUE;\r |
315 | }\r |
316 | \r |
317 | ScsiBusDev->Signature = SCSI_BUS_DEVICE_SIGNATURE;\r |
318 | //\r |
319 | // Attach EFI_SCSI_BUS_PROTOCOL to controller handle\r |
320 | //\r |
321 | Status = gBS->InstallProtocolInterface (\r |
322 | &Controller,\r |
323 | &mScsiBusProtocolGuid,\r |
324 | EFI_NATIVE_INTERFACE,\r |
325 | &ScsiBusDev->BusIdentify\r |
326 | );\r |
327 | \r |
328 | if (EFI_ERROR (Status)) {\r |
3a10d471 |
329 | gBS->CloseProtocol (\r |
70c94b3b |
330 | Controller,\r |
331 | &gEfiDevicePathProtocolGuid,\r |
332 | This->DriverBindingHandle,\r |
333 | Controller\r |
334 | );\r |
335 | if (ScsiBusDev->ExtScsiSupport) {\r |
336 | gBS->CloseProtocol (\r |
337 | Controller,\r |
338 | &gEfiExtScsiPassThruProtocolGuid,\r |
339 | This->DriverBindingHandle,\r |
340 | Controller\r |
341 | );\r |
342 | } else {\r |
343 | gBS->CloseProtocol (\r |
344 | Controller,\r |
345 | &gEfiScsiPassThruProtocolGuid,\r |
346 | This->DriverBindingHandle,\r |
347 | Controller\r |
348 | );\r |
349 | }\r |
350 | gBS->FreePool (ScsiBusDev);\r |
3a10d471 |
351 | return Status;\r |
352 | }\r |
353 | \r |
354 | if (RemainingDevicePath == NULL) {\r |
70c94b3b |
355 | SetMem (ScsiTargetId, TARGET_MAX_BYTES,0xFF);\r |
356 | Lun = 0;\r |
357 | FromFirstTarget = TRUE;\r |
3a10d471 |
358 | } else {\r |
70c94b3b |
359 | if (ScsiBusDev->ExtScsiSupport) {\r |
c52fa98c |
360 | ScsiBusDev->ExtScsiInterface->GetTargetLun (ScsiBusDev->ExtScsiInterface, RemainingDevicePath, &TargetId, &Lun);\r |
70c94b3b |
361 | } else {\r |
362 | ScsiBusDev->ScsiInterface->GetTargetLun (ScsiBusDev->ScsiInterface, RemainingDevicePath, &ScsiTargetId->ScsiId.Scsi, &Lun);\r |
363 | }\r |
3a10d471 |
364 | }\r |
365 | \r |
70c94b3b |
366 | while(ScanOtherPuns) {\r |
367 | if (FromFirstTarget) {\r |
3a10d471 |
368 | //\r |
369 | // Remaining Device Path is NULL, scan all the possible Puns in the\r |
370 | // SCSI Channel.\r |
371 | //\r |
70c94b3b |
372 | if (ScsiBusDev->ExtScsiSupport) {\r |
373 | Status = ScsiBusDev->ExtScsiInterface->GetNextTargetLun (ScsiBusDev->ExtScsiInterface, &TargetId, &Lun);\r |
374 | } else {\r |
375 | Status = ScsiBusDev->ScsiInterface->GetNextDevice (ScsiBusDev->ScsiInterface, &ScsiTargetId->ScsiId.Scsi, &Lun);\r |
376 | }\r |
3a10d471 |
377 | if (EFI_ERROR (Status)) {\r |
378 | //\r |
379 | // no legal Pun and Lun found any more\r |
380 | //\r |
381 | break;\r |
382 | }\r |
383 | } else {\r |
3a10d471 |
384 | ScanOtherPuns = FALSE;\r |
385 | }\r |
3a10d471 |
386 | //\r |
387 | // Avoid creating handle for the host adapter.\r |
388 | //\r |
70c94b3b |
389 | if (ScsiBusDev->ExtScsiSupport) {\r |
390 | if ((ScsiTargetId->ScsiId.Scsi) == ScsiBusDev->ExtScsiInterface->Mode->AdapterId) {\r |
391 | continue;\r |
392 | }\r |
393 | } else {\r |
394 | if ((ScsiTargetId->ScsiId.Scsi) == ScsiBusDev->ScsiInterface->Mode->AdapterId) {\r |
395 | continue;\r |
396 | }\r |
3a10d471 |
397 | }\r |
3a10d471 |
398 | //\r |
399 | // Scan for the scsi device, if it attaches to the scsi bus,\r |
400 | // then create handle and install scsi i/o protocol.\r |
401 | //\r |
70c94b3b |
402 | Status = ScsiScanCreateDevice (This, Controller, ScsiTargetId, Lun, ScsiBusDev);\r |
3a10d471 |
403 | }\r |
3a10d471 |
404 | return Status;\r |
405 | }\r |
406 | \r |
407 | EFI_STATUS\r |
408 | EFIAPI\r |
409 | SCSIBusDriverBindingStop (\r |
410 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r |
411 | IN EFI_HANDLE Controller,\r |
412 | IN UINTN NumberOfChildren,\r |
413 | IN EFI_HANDLE *ChildHandleBuffer\r |
414 | )\r |
415 | /*++\r |
c52fa98c |
416 | \r |
3a10d471 |
417 | Routine Description:\r |
c52fa98c |
418 | \r |
3a10d471 |
419 | Arguments:\r |
c52fa98c |
420 | \r |
3a10d471 |
421 | Returns:\r |
c52fa98c |
422 | \r |
3a10d471 |
423 | --*/\r |
424 | // TODO: This - add argument and description to function comment\r |
425 | // TODO: Controller - add argument and description to function comment\r |
426 | // TODO: NumberOfChildren - add argument and description to function comment\r |
427 | // TODO: ChildHandleBuffer - add argument and description to function comment\r |
428 | // TODO: EFI_SUCCESS - add return value to function comment\r |
429 | // TODO: EFI_DEVICE_ERROR - add return value to function comment\r |
430 | // TODO: EFI_SUCCESS - add return value to function comment\r |
431 | {\r |
432 | EFI_STATUS Status;\r |
433 | BOOLEAN AllChildrenStopped;\r |
434 | UINTN Index;\r |
435 | EFI_SCSI_IO_PROTOCOL *ScsiIo;\r |
436 | SCSI_IO_DEV *ScsiIoDevice;\r |
70c94b3b |
437 | VOID *ScsiPassThru;\r |
438 | EFI_SCSI_BUS_PROTOCOL *Scsidentifier;\r |
439 | SCSI_BUS_DEVICE *ScsiBusDev;\r |
3a10d471 |
440 | \r |
441 | if (NumberOfChildren == 0) {\r |
70c94b3b |
442 | //\r |
443 | // Get the SCSI_BUS_DEVICE\r |
444 | //\r |
445 | Status = gBS->OpenProtocol (\r |
446 | Controller,\r |
447 | &mScsiBusProtocolGuid,\r |
448 | (VOID **) &Scsidentifier,\r |
449 | This->DriverBindingHandle,\r |
450 | Controller,\r |
451 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r |
452 | );\r |
c52fa98c |
453 | \r |
70c94b3b |
454 | if (EFI_ERROR (Status)) {\r |
455 | return EFI_DEVICE_ERROR;\r |
456 | }\r |
457 | \r |
458 | ScsiBusDev = SCSI_BUS_CONTROLLER_DEVICE_FROM_THIS (Scsidentifier);\r |
459 | \r |
460 | //\r |
461 | // Uninstall SCSI Bus Protocol\r |
462 | //\r |
463 | gBS->UninstallProtocolInterface (\r |
464 | Controller,\r |
465 | &mScsiBusProtocolGuid,\r |
466 | &ScsiBusDev->BusIdentify\r |
467 | );\r |
c52fa98c |
468 | \r |
3a10d471 |
469 | //\r |
470 | // Close the bus driver\r |
471 | //\r |
70c94b3b |
472 | if (ScsiBusDev->ExtScsiSupport) {\r |
473 | gBS->CloseProtocol (\r |
474 | Controller,\r |
475 | &gEfiExtScsiPassThruProtocolGuid,\r |
476 | This->DriverBindingHandle,\r |
477 | Controller\r |
478 | );\r |
479 | } else {\r |
480 | gBS->CloseProtocol (\r |
481 | Controller,\r |
482 | &gEfiScsiPassThruProtocolGuid,\r |
483 | This->DriverBindingHandle,\r |
484 | Controller\r |
485 | );\r |
486 | }\r |
3a10d471 |
487 | \r |
70c94b3b |
488 | gBS->CloseProtocol (\r |
489 | Controller,\r |
490 | &gEfiDevicePathProtocolGuid,\r |
491 | This->DriverBindingHandle,\r |
492 | Controller\r |
493 | );\r |
494 | gBS->FreePool (ScsiBusDev);\r |
3a10d471 |
495 | return EFI_SUCCESS;\r |
496 | }\r |
497 | \r |
498 | AllChildrenStopped = TRUE;\r |
499 | \r |
500 | for (Index = 0; Index < NumberOfChildren; Index++) {\r |
501 | \r |
502 | Status = gBS->OpenProtocol (\r |
503 | ChildHandleBuffer[Index],\r |
504 | &gEfiScsiIoProtocolGuid,\r |
505 | (VOID **) &ScsiIo,\r |
506 | This->DriverBindingHandle,\r |
507 | Controller,\r |
508 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r |
509 | );\r |
510 | if (EFI_ERROR (Status)) {\r |
511 | AllChildrenStopped = FALSE;\r |
512 | continue;\r |
513 | }\r |
514 | \r |
515 | ScsiIoDevice = SCSI_IO_DEV_FROM_THIS (ScsiIo);\r |
516 | //\r |
517 | // Close the child handle\r |
518 | //\r |
70c94b3b |
519 | if (ScsiIoDevice->ExtScsiSupport) {\r |
520 | Status = gBS->CloseProtocol (\r |
521 | Controller,\r |
522 | &gEfiExtScsiPassThruProtocolGuid,\r |
523 | This->DriverBindingHandle,\r |
524 | ChildHandleBuffer[Index]\r |
525 | );\r |
526 | \r |
527 | } else {\r |
528 | Status = gBS->CloseProtocol (\r |
529 | Controller,\r |
530 | &gEfiScsiPassThruProtocolGuid,\r |
531 | This->DriverBindingHandle,\r |
532 | ChildHandleBuffer[Index]\r |
533 | );\r |
534 | }\r |
3a10d471 |
535 | \r |
536 | Status = gBS->UninstallMultipleProtocolInterfaces (\r |
537 | ChildHandleBuffer[Index],\r |
538 | &gEfiDevicePathProtocolGuid,\r |
539 | ScsiIoDevice->DevicePath,\r |
540 | &gEfiScsiIoProtocolGuid,\r |
541 | &ScsiIoDevice->ScsiIo,\r |
542 | NULL\r |
543 | );\r |
544 | if (EFI_ERROR (Status)) {\r |
545 | AllChildrenStopped = FALSE;\r |
70c94b3b |
546 | if (ScsiIoDevice->ExtScsiSupport) {\r |
547 | gBS->OpenProtocol (\r |
548 | Controller,\r |
549 | &gEfiExtScsiPassThruProtocolGuid,\r |
84b5c78e |
550 | &ScsiPassThru,\r |
70c94b3b |
551 | This->DriverBindingHandle,\r |
552 | ChildHandleBuffer[Index],\r |
553 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r |
554 | );\r |
555 | } else {\r |
556 | gBS->OpenProtocol (\r |
557 | Controller,\r |
558 | &gEfiScsiPassThruProtocolGuid,\r |
84b5c78e |
559 | &ScsiPassThru,\r |
70c94b3b |
560 | This->DriverBindingHandle,\r |
561 | ChildHandleBuffer[Index],\r |
562 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r |
563 | );\r |
564 | }\r |
3a10d471 |
565 | } else {\r |
566 | gBS->FreePool (ScsiIoDevice);\r |
567 | }\r |
568 | }\r |
569 | \r |
570 | if (!AllChildrenStopped) {\r |
571 | return EFI_DEVICE_ERROR;\r |
572 | }\r |
573 | \r |
574 | return EFI_SUCCESS;\r |
575 | }\r |
576 | \r |
577 | EFI_STATUS\r |
578 | EFIAPI\r |
579 | ScsiGetDeviceType (\r |
580 | IN EFI_SCSI_IO_PROTOCOL *This,\r |
581 | OUT UINT8 *DeviceType\r |
582 | )\r |
583 | /*++\r |
584 | \r |
585 | Routine Description:\r |
586 | Retrieves the device type information of the SCSI Controller.\r |
c52fa98c |
587 | \r |
3a10d471 |
588 | Arguments:\r |
589 | This - Protocol instance pointer.\r |
590 | DeviceType - A pointer to the device type information\r |
c52fa98c |
591 | retrieved from the SCSI Controller.\r |
3a10d471 |
592 | \r |
593 | Returns:\r |
594 | EFI_SUCCESS - Retrieves the device type information successfully.\r |
595 | EFI_INVALID_PARAMETER - The DeviceType is NULL.\r |
596 | --*/\r |
597 | {\r |
598 | SCSI_IO_DEV *ScsiIoDevice;\r |
599 | \r |
600 | if (DeviceType == NULL) {\r |
601 | return EFI_INVALID_PARAMETER;\r |
602 | }\r |
603 | \r |
604 | ScsiIoDevice = SCSI_IO_DEV_FROM_THIS (This);\r |
605 | *DeviceType = ScsiIoDevice->ScsiDeviceType;\r |
606 | return EFI_SUCCESS;\r |
607 | }\r |
608 | \r |
3a10d471 |
609 | EFI_STATUS\r |
610 | EFIAPI\r |
611 | ScsiGetDeviceLocation (\r |
612 | IN EFI_SCSI_IO_PROTOCOL *This,\r |
70c94b3b |
613 | IN OUT UINT8 **Target,\r |
3a10d471 |
614 | OUT UINT64 *Lun\r |
615 | )\r |
616 | /*++\r |
617 | Routine Description:\r |
618 | Retrieves the device location in the SCSI channel.\r |
c52fa98c |
619 | \r |
3a10d471 |
620 | Arguments:\r |
621 | This - Protocol instance pointer.\r |
c52fa98c |
622 | Target - A pointer to the Target ID of a SCSI device\r |
623 | on the SCSI channel.\r |
624 | Lun - A pointer to the LUN of the SCSI device on\r |
3a10d471 |
625 | the SCSI channel.\r |
626 | \r |
627 | Returns:\r |
628 | EFI_SUCCESS - Retrieves the device location successfully.\r |
629 | EFI_INVALID_PARAMETER - The Target or Lun is NULL.\r |
630 | --*/\r |
631 | {\r |
632 | SCSI_IO_DEV *ScsiIoDevice;\r |
633 | \r |
634 | if (Target == NULL || Lun == NULL) {\r |
635 | return EFI_INVALID_PARAMETER;\r |
636 | }\r |
637 | \r |
638 | ScsiIoDevice = SCSI_IO_DEV_FROM_THIS (This);\r |
639 | \r |
70c94b3b |
640 | CopyMem (*Target,&ScsiIoDevice->Pun, TARGET_MAX_BYTES);\r |
641 | \r |
3a10d471 |
642 | *Lun = ScsiIoDevice->Lun;\r |
643 | \r |
644 | return EFI_SUCCESS;\r |
645 | }\r |
646 | \r |
647 | EFI_STATUS\r |
648 | EFIAPI\r |
649 | ScsiResetBus (\r |
650 | IN EFI_SCSI_IO_PROTOCOL *This\r |
651 | )\r |
652 | /*++\r |
653 | \r |
654 | Routine Description:\r |
655 | Resets the SCSI Bus that the SCSI Controller is attached to.\r |
c52fa98c |
656 | \r |
3a10d471 |
657 | Arguments:\r |
658 | This - Protocol instance pointer.\r |
659 | \r |
660 | Returns:\r |
661 | EFI_SUCCESS - The SCSI bus is reset successfully.\r |
662 | EFI_DEVICE_ERROR - Errors encountered when resetting the SCSI bus.\r |
663 | EFI_UNSUPPORTED - The bus reset operation is not supported by the\r |
664 | SCSI Host Controller.\r |
c52fa98c |
665 | EFI_TIMEOUT - A timeout occurred while attempting to reset\r |
3a10d471 |
666 | the SCSI bus.\r |
667 | --*/\r |
668 | {\r |
669 | SCSI_IO_DEV *ScsiIoDevice;\r |
670 | \r |
671 | ScsiIoDevice = SCSI_IO_DEV_FROM_THIS (This);\r |
672 | \r |
70c94b3b |
673 | if (ScsiIoDevice->ExtScsiSupport){\r |
674 | return ScsiIoDevice->ExtScsiPassThru->ResetChannel (ScsiIoDevice->ExtScsiPassThru);\r |
675 | } else {\r |
676 | return ScsiIoDevice->ScsiPassThru->ResetChannel (ScsiIoDevice->ScsiPassThru);\r |
677 | }\r |
3a10d471 |
678 | }\r |
679 | \r |
680 | EFI_STATUS\r |
681 | EFIAPI\r |
682 | ScsiResetDevice (\r |
683 | IN EFI_SCSI_IO_PROTOCOL *This\r |
684 | )\r |
685 | /*++\r |
686 | \r |
687 | Routine Description:\r |
688 | Resets the SCSI Controller that the device handle specifies.\r |
c52fa98c |
689 | \r |
3a10d471 |
690 | Arguments:\r |
691 | This - Protocol instance pointer.\r |
c52fa98c |
692 | \r |
3a10d471 |
693 | \r |
694 | Returns:\r |
695 | EFI_SUCCESS - Reset the SCSI controller successfully.\r |
696 | EFI_DEVICE_ERROR - Errors are encountered when resetting the\r |
697 | SCSI Controller.\r |
c52fa98c |
698 | EFI_UNSUPPORTED - The SCSI bus does not support a device\r |
3a10d471 |
699 | reset operation.\r |
c52fa98c |
700 | EFI_TIMEOUT - A timeout occurred while attempting to\r |
3a10d471 |
701 | reset the SCSI Controller.\r |
702 | --*/\r |
703 | {\r |
704 | SCSI_IO_DEV *ScsiIoDevice;\r |
70c94b3b |
705 | UINT8 Target[TARGET_MAX_BYTES];\r |
3a10d471 |
706 | \r |
707 | ScsiIoDevice = SCSI_IO_DEV_FROM_THIS (This);\r |
70c94b3b |
708 | CopyMem (Target,&ScsiIoDevice->Pun, TARGET_MAX_BYTES);\r |
709 | \r |
3a10d471 |
710 | \r |
70c94b3b |
711 | if (ScsiIoDevice->ExtScsiSupport) {\r |
712 | return ScsiIoDevice->ExtScsiPassThru->ResetTargetLun (\r |
713 | ScsiIoDevice->ExtScsiPassThru,\r |
714 | Target,\r |
715 | ScsiIoDevice->Lun\r |
716 | );\r |
717 | } else {\r |
718 | return ScsiIoDevice->ScsiPassThru->ResetTarget (\r |
719 | ScsiIoDevice->ScsiPassThru,\r |
720 | ScsiIoDevice->Pun.ScsiId.Scsi,\r |
721 | ScsiIoDevice->Lun\r |
722 | );\r |
723 | }\r |
3a10d471 |
724 | }\r |
725 | \r |
726 | EFI_STATUS\r |
727 | EFIAPI\r |
728 | ScsiExecuteSCSICommand (\r |
729 | IN EFI_SCSI_IO_PROTOCOL *This,\r |
730 | IN OUT EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet,\r |
731 | IN EFI_EVENT Event OPTIONAL\r |
732 | )\r |
733 | /*++\r |
734 | \r |
735 | Routine Description:\r |
736 | Sends a SCSI Request Packet to the SCSI Controller for execution.\r |
c52fa98c |
737 | \r |
3a10d471 |
738 | Arguments:\r |
739 | This - Protocol instance pointer.\r |
c52fa98c |
740 | Packet - The SCSI request packet to send to the SCSI\r |
3a10d471 |
741 | Controller specified by the device handle.\r |
742 | Event - If the SCSI bus where the SCSI device is attached\r |
c52fa98c |
743 | does not support non-blocking I/O, then Event is\r |
744 | ignored, and blocking I/O is performed.\r |
3a10d471 |
745 | If Event is NULL, then blocking I/O is performed.\r |
c52fa98c |
746 | If Event is not NULL and non-blocking I/O is\r |
3a10d471 |
747 | supported, then non-blocking I/O is performed,\r |
748 | and Event will be signaled when the SCSI Request\r |
749 | Packet completes.\r |
750 | Returns:\r |
c52fa98c |
751 | EFI_SUCCESS - The SCSI Request Packet was sent by the host\r |
752 | successfully, and TransferLength bytes were\r |
753 | transferred to/from DataBuffer.See\r |
754 | HostAdapterStatus, TargetStatus,\r |
3a10d471 |
755 | SenseDataLength, and SenseData in that order\r |
756 | for additional status information.\r |
c52fa98c |
757 | EFI_WARN_BUFFER_TOO_SMALL - The SCSI Request Packet was executed,\r |
3a10d471 |
758 | but the entire DataBuffer could not be transferred.\r |
759 | The actual number of bytes transferred is returned\r |
c52fa98c |
760 | in TransferLength. See HostAdapterStatus,\r |
761 | TargetStatus, SenseDataLength, and SenseData in\r |
3a10d471 |
762 | that order for additional status information.\r |
c52fa98c |
763 | EFI_NOT_READY - The SCSI Request Packet could not be sent because\r |
764 | there are too many SCSI Command Packets already\r |
3a10d471 |
765 | queued.The caller may retry again later.\r |
c52fa98c |
766 | EFI_DEVICE_ERROR - A device error occurred while attempting to send\r |
767 | the SCSI Request Packet. See HostAdapterStatus,\r |
768 | TargetStatus, SenseDataLength, and SenseData in\r |
3a10d471 |
769 | that order for additional status information.\r |
c52fa98c |
770 | EFI_INVALID_PARAMETER - The contents of CommandPacket are invalid.\r |
771 | The SCSI Request Packet was not sent, so no\r |
3a10d471 |
772 | additional status information is available.\r |
773 | EFI_UNSUPPORTED - The command described by the SCSI Request Packet\r |
c52fa98c |
774 | is not supported by the SCSI initiator(i.e., SCSI\r |
3a10d471 |
775 | Host Controller). The SCSI Request Packet was not\r |
c52fa98c |
776 | sent, so no additional status information is\r |
3a10d471 |
777 | available.\r |
c52fa98c |
778 | EFI_TIMEOUT - A timeout occurred while waiting for the SCSI\r |
3a10d471 |
779 | Request Packet to execute. See HostAdapterStatus,\r |
c52fa98c |
780 | TargetStatus, SenseDataLength, and SenseData in\r |
3a10d471 |
781 | that order for additional status information.\r |
782 | --*/\r |
783 | {\r |
784 | SCSI_IO_DEV *ScsiIoDevice;\r |
785 | EFI_STATUS Status;\r |
70c94b3b |
786 | UINT8 Target[TARGET_MAX_BYTES];\r |
787 | EFI_EVENT PacketEvent;\r |
788 | EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *ExtRequestPacket;\r |
c52fa98c |
789 | SCSI_EVENT_DATA EventData;\r |
3a10d471 |
790 | \r |
70c94b3b |
791 | PacketEvent = NULL;\r |
c52fa98c |
792 | \r |
3a10d471 |
793 | if (Packet == NULL) {\r |
794 | return EFI_INVALID_PARAMETER;\r |
795 | }\r |
796 | \r |
797 | ScsiIoDevice = SCSI_IO_DEV_FROM_THIS (This);\r |
70c94b3b |
798 | CopyMem (Target,&ScsiIoDevice->Pun, TARGET_MAX_BYTES);\r |
c52fa98c |
799 | \r |
70c94b3b |
800 | if (ScsiIoDevice->ExtScsiSupport) {\r |
801 | ExtRequestPacket = (EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *) Packet;\r |
802 | Status = ScsiIoDevice->ExtScsiPassThru->PassThru (\r |
803 | ScsiIoDevice->ExtScsiPassThru,\r |
804 | Target,\r |
805 | ScsiIoDevice->Lun,\r |
806 | ExtRequestPacket,\r |
807 | Event\r |
808 | );\r |
809 | } else {\r |
3a10d471 |
810 | \r |
70c94b3b |
811 | Status = gBS->AllocatePool (\r |
812 | EfiBootServicesData,\r |
813 | sizeof(EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET),\r |
814 | (VOID**)&WorkingBuffer\r |
815 | );\r |
3a10d471 |
816 | \r |
70c94b3b |
817 | if (EFI_ERROR (Status)) {\r |
818 | return EFI_DEVICE_ERROR;\r |
819 | }\r |
820 | \r |
821 | //\r |
c52fa98c |
822 | // Convert package into EFI1.0, EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET.\r |
70c94b3b |
823 | //\r |
824 | Status = ScsiioToPassThruPacket(Packet, (EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET*)WorkingBuffer);\r |
825 | if (EFI_ERROR(Status)) {\r |
c52fa98c |
826 | gBS->FreePool(WorkingBuffer);\r |
70c94b3b |
827 | return Status;\r |
828 | }\r |
829 | \r |
830 | if ((ScsiIoDevice->ScsiPassThru->Mode->Attributes & EFI_SCSI_PASS_THRU_ATTRIBUTES_NONBLOCKIO) && (Event != NULL)) {\r |
831 | EventData.Data1 = (VOID*)Packet;\r |
832 | EventData.Data2 = Event;\r |
833 | //\r |
834 | // Create Event\r |
835 | //\r |
836 | Status = gBS->CreateEvent (\r |
837 | EVT_NOTIFY_SIGNAL,\r |
838 | TPL_CALLBACK,\r |
839 | NotifyFunction,\r |
840 | &EventData,\r |
841 | &PacketEvent\r |
842 | );\r |
843 | if (EFI_ERROR(Status)) {\r |
844 | gBS->FreePool(WorkingBuffer);\r |
845 | return Status;\r |
846 | }\r |
c52fa98c |
847 | \r |
70c94b3b |
848 | Status = ScsiIoDevice->ScsiPassThru->PassThru (\r |
849 | ScsiIoDevice->ScsiPassThru,\r |
850 | ScsiIoDevice->Pun.ScsiId.Scsi,\r |
851 | ScsiIoDevice->Lun,\r |
852 | WorkingBuffer,\r |
853 | PacketEvent\r |
854 | );\r |
855 | \r |
856 | if (EFI_ERROR(Status)) {\r |
857 | gBS->FreePool(WorkingBuffer);\r |
858 | gBS->CloseEvent(PacketEvent);\r |
859 | return Status;\r |
860 | }\r |
c52fa98c |
861 | \r |
70c94b3b |
862 | } else {\r |
863 | //\r |
864 | // If there's no event or SCSI Device doesn't support NON-BLOCKING, just convert\r |
865 | // EFI1.0 PassThru packet back to UEFI2.0 SCSI IO Packet.\r |
866 | //\r |
867 | Status = ScsiIoDevice->ScsiPassThru->PassThru (\r |
868 | ScsiIoDevice->ScsiPassThru,\r |
869 | ScsiIoDevice->Pun.ScsiId.Scsi,\r |
870 | ScsiIoDevice->Lun,\r |
871 | WorkingBuffer,\r |
872 | Event\r |
873 | );\r |
874 | if (EFI_ERROR(Status)) {\r |
875 | gBS->FreePool(WorkingBuffer);\r |
876 | return Status;\r |
877 | }\r |
878 | \r |
879 | PassThruToScsiioPacket((EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET*)WorkingBuffer,Packet);\r |
880 | //\r |
881 | // After converting EFI1.0 PassThru Packet back to UEFI2.0 SCSI IO Packet,\r |
882 | // free WorkingBuffer.\r |
883 | //\r |
884 | gBS->FreePool(WorkingBuffer);\r |
885 | }\r |
886 | }\r |
3a10d471 |
887 | return Status;\r |
888 | }\r |
889 | \r |
890 | EFI_STATUS\r |
c52fa98c |
891 | EFIAPI\r |
3a10d471 |
892 | ScsiScanCreateDevice (\r |
893 | EFI_DRIVER_BINDING_PROTOCOL *This,\r |
894 | EFI_HANDLE Controller,\r |
70c94b3b |
895 | SCSI_TARGET_ID *TargetId,\r |
3a10d471 |
896 | UINT64 Lun,\r |
70c94b3b |
897 | SCSI_BUS_DEVICE *ScsiBusDev\r |
3a10d471 |
898 | )\r |
899 | /*++\r |
900 | \r |
901 | Routine Description:\r |
902 | \r |
70c94b3b |
903 | Scan SCSI Bus to discover the device, and attach ScsiIoProtocol to it.\r |
3a10d471 |
904 | \r |
905 | Arguments:\r |
906 | \r |
70c94b3b |
907 | This - Protocol instance pointer\r |
908 | Controller - Controller handle\r |
909 | Pun - The Pun of the SCSI device on the SCSI channel.\r |
910 | Lun - The Lun of the SCSI device on the SCSI channel.\r |
911 | ScsiBusDev - The pointer of SCSI_BUS_DEVICE\r |
3a10d471 |
912 | \r |
913 | Returns:\r |
914 | \r |
70c94b3b |
915 | EFI_SUCCESS - Successfully to discover the device and attach ScsiIoProtocol to it.\r |
916 | EFI_OUT_OF_RESOURCES - Fail to discover the device.\r |
3a10d471 |
917 | \r |
918 | --*/\r |
919 | {\r |
920 | EFI_STATUS Status;\r |
921 | SCSI_IO_DEV *ScsiIoDevice;\r |
922 | EFI_DEVICE_PATH_PROTOCOL *ScsiDevicePath;\r |
923 | \r |
924 | Status = gBS->AllocatePool (\r |
925 | EfiBootServicesData,\r |
926 | sizeof (SCSI_IO_DEV),\r |
927 | (VOID **) &ScsiIoDevice\r |
928 | );\r |
929 | if (EFI_ERROR (Status)) {\r |
930 | return Status;\r |
931 | }\r |
932 | \r |
933 | ZeroMem (ScsiIoDevice, sizeof (SCSI_IO_DEV));\r |
934 | \r |
935 | ScsiIoDevice->Signature = SCSI_IO_DEV_SIGNATURE;\r |
70c94b3b |
936 | CopyMem(&ScsiIoDevice->Pun, TargetId, TARGET_MAX_BYTES);\r |
3a10d471 |
937 | ScsiIoDevice->Lun = Lun;\r |
938 | \r |
70c94b3b |
939 | if (ScsiBusDev->ExtScsiSupport) {\r |
940 | ScsiIoDevice->ExtScsiPassThru = ScsiBusDev->ExtScsiInterface;\r |
941 | ScsiIoDevice->ExtScsiSupport = TRUE;\r |
942 | ScsiIoDevice->ScsiIo.IoAlign = ScsiIoDevice->ExtScsiPassThru->Mode->IoAlign;\r |
943 | \r |
944 | } else {\r |
945 | ScsiIoDevice->ScsiPassThru = ScsiBusDev->ScsiInterface;\r |
946 | ScsiIoDevice->ExtScsiSupport = FALSE;\r |
947 | ScsiIoDevice->ScsiIo.IoAlign = ScsiIoDevice->ScsiPassThru->Mode->IoAlign;\r |
948 | }\r |
949 | \r |
3a10d471 |
950 | ScsiIoDevice->ScsiIo.GetDeviceType = ScsiGetDeviceType;\r |
70c94b3b |
951 | ScsiIoDevice->ScsiIo.GetDeviceLocation = ScsiGetDeviceLocation;\r |
3a10d471 |
952 | ScsiIoDevice->ScsiIo.ResetBus = ScsiResetBus;\r |
953 | ScsiIoDevice->ScsiIo.ResetDevice = ScsiResetDevice;\r |
24e734d2 |
954 | ScsiIoDevice->ScsiIo.ExecuteScsiCommand = ScsiExecuteSCSICommand;\r |
3a10d471 |
955 | \r |
70c94b3b |
956 | \r |
3a10d471 |
957 | if (!DiscoverScsiDevice (ScsiIoDevice)) {\r |
958 | gBS->FreePool (ScsiIoDevice);\r |
70c94b3b |
959 | return EFI_OUT_OF_RESOURCES;\r |
3a10d471 |
960 | }\r |
70c94b3b |
961 | \r |
3a10d471 |
962 | //\r |
963 | // Set Device Path\r |
964 | //\r |
70c94b3b |
965 | if (ScsiIoDevice->ExtScsiSupport){\r |
966 | Status = ScsiIoDevice->ExtScsiPassThru->BuildDevicePath (\r |
967 | ScsiIoDevice->ExtScsiPassThru,\r |
968 | &ScsiIoDevice->Pun.ScsiId.ExtScsi[0],\r |
969 | ScsiIoDevice->Lun,\r |
970 | &ScsiDevicePath\r |
971 | );\r |
972 | if (Status == EFI_OUT_OF_RESOURCES) {\r |
973 | gBS->FreePool (ScsiIoDevice);\r |
974 | return Status;\r |
975 | }\r |
976 | } else {\r |
977 | Status = ScsiIoDevice->ScsiPassThru->BuildDevicePath (\r |
978 | ScsiIoDevice->ScsiPassThru,\r |
979 | ScsiIoDevice->Pun.ScsiId.Scsi,\r |
980 | ScsiIoDevice->Lun,\r |
981 | &ScsiDevicePath\r |
982 | );\r |
983 | if (Status == EFI_OUT_OF_RESOURCES) {\r |
984 | gBS->FreePool (ScsiIoDevice);\r |
985 | return Status;\r |
986 | }\r |
3a10d471 |
987 | }\r |
c52fa98c |
988 | \r |
3a10d471 |
989 | ScsiIoDevice->DevicePath = AppendDevicePathNode (\r |
70c94b3b |
990 | ScsiBusDev->DevicePath,\r |
3a10d471 |
991 | ScsiDevicePath\r |
992 | );\r |
993 | //\r |
994 | // The memory space for ScsiDevicePath is allocated in\r |
995 | // ScsiPassThru->BuildDevicePath() function; It is no longer used\r |
996 | // after EfiAppendDevicePathNode,so free the memory it occupies.\r |
997 | //\r |
998 | gBS->FreePool (ScsiDevicePath);\r |
999 | \r |
1000 | if (ScsiIoDevice->DevicePath == NULL) {\r |
1001 | gBS->FreePool (ScsiIoDevice);\r |
1002 | return EFI_OUT_OF_RESOURCES;\r |
1003 | }\r |
c52fa98c |
1004 | \r |
3a10d471 |
1005 | Status = gBS->InstallMultipleProtocolInterfaces (\r |
1006 | &ScsiIoDevice->Handle,\r |
1007 | &gEfiDevicePathProtocolGuid,\r |
1008 | ScsiIoDevice->DevicePath,\r |
1009 | &gEfiScsiIoProtocolGuid,\r |
1010 | &ScsiIoDevice->ScsiIo,\r |
1011 | NULL\r |
1012 | );\r |
1013 | if (EFI_ERROR (Status)) {\r |
1014 | gBS->FreePool (ScsiIoDevice);\r |
70c94b3b |
1015 | return EFI_OUT_OF_RESOURCES;\r |
3a10d471 |
1016 | } else {\r |
70c94b3b |
1017 | if (ScsiBusDev->ExtScsiSupport) {\r |
1018 | gBS->OpenProtocol (\r |
1019 | Controller,\r |
1020 | &gEfiExtScsiPassThruProtocolGuid,\r |
1021 | (VOID **) &(ScsiBusDev->ExtScsiInterface),\r |
1022 | This->DriverBindingHandle,\r |
1023 | ScsiIoDevice->Handle,\r |
1024 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r |
1025 | );\r |
1026 | } else {\r |
1027 | gBS->OpenProtocol (\r |
1028 | Controller,\r |
1029 | &gEfiScsiPassThruProtocolGuid,\r |
1030 | (VOID **) &(ScsiBusDev->ScsiInterface),\r |
1031 | This->DriverBindingHandle,\r |
1032 | ScsiIoDevice->Handle,\r |
1033 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r |
1034 | );\r |
1035 | }\r |
3a10d471 |
1036 | }\r |
3a10d471 |
1037 | return EFI_SUCCESS;\r |
1038 | }\r |
1039 | \r |
1040 | BOOLEAN\r |
c52fa98c |
1041 | EFIAPI\r |
3a10d471 |
1042 | DiscoverScsiDevice (\r |
1043 | SCSI_IO_DEV *ScsiIoDevice\r |
1044 | )\r |
1045 | /*++\r |
1046 | \r |
1047 | Routine Description:\r |
1048 | \r |
70c94b3b |
1049 | Discovery SCSI Device\r |
3a10d471 |
1050 | \r |
1051 | Arguments:\r |
1052 | \r |
70c94b3b |
1053 | ScsiIoDevice - The pointer of SCSI_IO_DEV\r |
3a10d471 |
1054 | \r |
1055 | Returns:\r |
1056 | \r |
70c94b3b |
1057 | TRUE - Find SCSI Device and verify it.\r |
c52fa98c |
1058 | FALSE - Unable to find SCSI Device.\r |
3a10d471 |
1059 | \r |
1060 | --*/\r |
1061 | {\r |
1062 | EFI_STATUS Status;\r |
3a10d471 |
1063 | UINT32 InquiryDataLength;\r |
3a10d471 |
1064 | UINT8 SenseDataLength;\r |
1065 | UINT8 HostAdapterStatus;\r |
1066 | UINT8 TargetStatus;\r |
70c94b3b |
1067 | EFI_SCSI_SENSE_DATA SenseData;\r |
1068 | EFI_SCSI_INQUIRY_DATA InquiryData;\r |
3a10d471 |
1069 | \r |
1070 | HostAdapterStatus = 0;\r |
1071 | TargetStatus = 0;\r |
1072 | //\r |
1073 | // Using Inquiry command to scan for the device\r |
1074 | //\r |
1075 | InquiryDataLength = sizeof (EFI_SCSI_INQUIRY_DATA);\r |
1076 | SenseDataLength = sizeof (EFI_SCSI_SENSE_DATA);\r |
1077 | \r |
d35be2a4 |
1078 | Status = ScsiInquiryCommand (\r |
3a10d471 |
1079 | &ScsiIoDevice->ScsiIo,\r |
1080 | EfiScsiStallSeconds (1),\r |
1081 | (VOID *) &SenseData,\r |
1082 | &SenseDataLength,\r |
1083 | &HostAdapterStatus,\r |
1084 | &TargetStatus,\r |
1085 | (VOID *) &InquiryData,\r |
1086 | &InquiryDataLength,\r |
1087 | FALSE\r |
1088 | );\r |
1089 | if (EFI_ERROR (Status)) {\r |
1090 | //\r |
1091 | // ParseSenseData (&SenseData,SenseDataLength);\r |
1092 | //\r |
1093 | return FALSE;\r |
1094 | }\r |
1095 | //\r |
1096 | // Retrieved inquiry data successfully\r |
1097 | //\r |
1098 | if ((InquiryData.Peripheral_Qualifier != 0) &&\r |
1099 | (InquiryData.Peripheral_Qualifier != 3)) {\r |
1100 | return FALSE;\r |
1101 | }\r |
1102 | \r |
1103 | if (InquiryData.Peripheral_Qualifier == 3) {\r |
1104 | if (InquiryData.Peripheral_Type != 0x1f) {\r |
1105 | return FALSE;\r |
1106 | }\r |
1107 | }\r |
1108 | \r |
70c94b3b |
1109 | if (0x1e >= InquiryData.Peripheral_Type >= 0xa) {\r |
3a10d471 |
1110 | return FALSE;\r |
1111 | }\r |
c52fa98c |
1112 | \r |
3a10d471 |
1113 | //\r |
1114 | // valid device type and peripheral qualifier combination.\r |
1115 | //\r |
1116 | ScsiIoDevice->ScsiDeviceType = InquiryData.Peripheral_Type;\r |
1117 | ScsiIoDevice->RemovableDevice = InquiryData.RMB;\r |
1118 | if (InquiryData.Version == 0) {\r |
1119 | ScsiIoDevice->ScsiVersion = 0;\r |
1120 | } else {\r |
1121 | //\r |
1122 | // ANSI-approved version\r |
1123 | //\r |
1124 | ScsiIoDevice->ScsiVersion = (UINT8) (InquiryData.Version & 0x03);\r |
1125 | }\r |
1126 | \r |
1127 | return TRUE;\r |
1128 | }\r |
70c94b3b |
1129 | \r |
1130 | \r |
1131 | STATIC\r |
1132 | EFI_STATUS\r |
1133 | EFIAPI\r |
1134 | ScsiioToPassThruPacket (\r |
1135 | IN EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet,\r |
1136 | IN OUT EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *CommandPacket\r |
1137 | )\r |
1138 | /*++\r |
1139 | \r |
1140 | Routine Description:\r |
1141 | \r |
c52fa98c |
1142 | Convert EFI_SCSI_IO_SCSI_REQUEST_PACKET packet to\r |
70c94b3b |
1143 | EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET packet\r |
c52fa98c |
1144 | \r |
70c94b3b |
1145 | Arguments:\r |
1146 | \r |
1147 | Packet - The pointer of EFI_SCSI_IO_SCSI_REQUEST_PACKET\r |
1148 | CommandPacket - The pointer of EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET\r |
c52fa98c |
1149 | \r |
70c94b3b |
1150 | Returns:\r |
1151 | \r |
1152 | NONE\r |
1153 | \r |
1154 | --*/\r |
1155 | {\r |
1156 | //\r |
1157 | //EFI 1.10 doesn't support Bi-Direction Command.\r |
1158 | //\r |
1159 | if (Packet->DataDirection == EFI_SCSI_IO_DATA_DIRECTION_BIDIRECTIONAL) {\r |
1160 | return EFI_UNSUPPORTED;\r |
1161 | }\r |
c52fa98c |
1162 | \r |
70c94b3b |
1163 | ZeroMem (CommandPacket, sizeof (EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET));\r |
1164 | \r |
1165 | CommandPacket->Timeout = Packet->Timeout;\r |
1166 | CommandPacket->Cdb = Packet->Cdb;\r |
1167 | CommandPacket->CdbLength = Packet->CdbLength;\r |
1168 | CommandPacket->DataDirection = Packet->DataDirection;\r |
1169 | CommandPacket->HostAdapterStatus = Packet->HostAdapterStatus;\r |
1170 | CommandPacket->TargetStatus = Packet->TargetStatus;\r |
1171 | CommandPacket->SenseData = Packet->SenseData;\r |
1172 | CommandPacket->SenseDataLength = Packet->SenseDataLength;\r |
1173 | \r |
1174 | if (Packet->DataDirection == EFI_SCSI_IO_DATA_DIRECTION_READ) {\r |
1175 | CommandPacket->DataBuffer = Packet->InDataBuffer;\r |
1176 | CommandPacket->TransferLength = Packet->InTransferLength;\r |
1177 | } else if (Packet->DataDirection == EFI_SCSI_IO_DATA_DIRECTION_WRITE) {\r |
1178 | CommandPacket->DataBuffer = Packet->OutDataBuffer;\r |
1179 | CommandPacket->TransferLength = Packet->OutTransferLength;\r |
1180 | }\r |
1181 | return EFI_SUCCESS;\r |
1182 | }\r |
1183 | \r |
1184 | \r |
1185 | STATIC\r |
1186 | EFI_STATUS\r |
1187 | EFIAPI\r |
1188 | PassThruToScsiioPacket (\r |
1189 | IN EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *ScsiPacket,\r |
1190 | IN OUT EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet\r |
1191 | )\r |
1192 | /*++\r |
1193 | \r |
1194 | Routine Description:\r |
1195 | \r |
c52fa98c |
1196 | Convert EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET packet to\r |
70c94b3b |
1197 | EFI_SCSI_IO_SCSI_REQUEST_PACKET packet\r |
c52fa98c |
1198 | \r |
70c94b3b |
1199 | Arguments:\r |
1200 | \r |
1201 | ScsiPacket - The pointer of EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET\r |
1202 | Packet - The pointer of EFI_SCSI_IO_SCSI_REQUEST_PACKET\r |
c52fa98c |
1203 | \r |
70c94b3b |
1204 | Returns:\r |
1205 | \r |
1206 | NONE\r |
1207 | \r |
1208 | --*/\r |
1209 | {\r |
1210 | Packet->Timeout = ScsiPacket->Timeout;\r |
1211 | Packet->Cdb = ScsiPacket->Cdb;\r |
1212 | Packet->CdbLength = ScsiPacket->CdbLength;\r |
1213 | Packet->DataDirection = ScsiPacket->DataDirection;\r |
1214 | Packet->HostAdapterStatus = ScsiPacket->HostAdapterStatus;\r |
1215 | Packet->TargetStatus = ScsiPacket->TargetStatus;\r |
1216 | Packet->SenseData = ScsiPacket->SenseData;\r |
1217 | Packet->SenseDataLength = ScsiPacket->SenseDataLength;\r |
1218 | \r |
1219 | if (ScsiPacket->DataDirection == EFI_SCSI_IO_DATA_DIRECTION_READ) {\r |
1220 | Packet->InDataBuffer = ScsiPacket->DataBuffer;\r |
1221 | Packet->InTransferLength = ScsiPacket->TransferLength;\r |
1222 | } else if (Packet->DataDirection == EFI_SCSI_IO_DATA_DIRECTION_WRITE) {\r |
1223 | Packet->OutDataBuffer = ScsiPacket->DataBuffer;\r |
1224 | Packet->OutTransferLength = ScsiPacket->TransferLength;\r |
1225 | }\r |
c52fa98c |
1226 | \r |
70c94b3b |
1227 | return EFI_SUCCESS;\r |
1228 | }\r |
1229 | \r |
1230 | \r |
1231 | \r |
1232 | STATIC\r |
1233 | VOID\r |
1234 | EFIAPI\r |
1235 | NotifyFunction (\r |
1236 | EFI_EVENT Event,\r |
1237 | VOID *Context\r |
1238 | )\r |
1239 | /*++\r |
1240 | \r |
1241 | Routine Description:\r |
1242 | \r |
c52fa98c |
1243 | Notify Function in which convert EFI1.0 PassThru Packet back to UEF2.0\r |
70c94b3b |
1244 | SCSI IO Packet.\r |
c52fa98c |
1245 | \r |
70c94b3b |
1246 | Arguments:\r |
1247 | \r |
1248 | Event - The instance of EFI_EVENT.\r |
1249 | Context - The parameter passed in.\r |
c52fa98c |
1250 | \r |
70c94b3b |
1251 | Returns:\r |
1252 | \r |
1253 | NONE\r |
1254 | \r |
c52fa98c |
1255 | --*/\r |
70c94b3b |
1256 | {\r |
1257 | EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet;\r |
1258 | EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *ScsiPacket;\r |
1259 | EFI_EVENT CallerEvent;\r |
c52fa98c |
1260 | SCSI_EVENT_DATA *PassData;\r |
70c94b3b |
1261 | \r |
1262 | PassData = (SCSI_EVENT_DATA*)Context;\r |
1263 | Packet = (EFI_SCSI_IO_SCSI_REQUEST_PACKET *)PassData->Data1;\r |
1264 | ScsiPacket = (EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET*)WorkingBuffer;\r |
1265 | \r |
1266 | //\r |
1267 | // Convert EFI1.0 PassThru packet to UEFI2.0 SCSI IO Packet.\r |
1268 | //\r |
1269 | PassThruToScsiioPacket(ScsiPacket, Packet);\r |
c52fa98c |
1270 | \r |
70c94b3b |
1271 | //\r |
1272 | // After converting EFI1.0 PassThru Packet back to UEFI2.0 SCSI IO Packet,\r |
1273 | // free WorkingBuffer.\r |
1274 | //\r |
1275 | gBS->FreePool(WorkingBuffer);\r |
1276 | \r |
1277 | //\r |
1278 | // Signal Event to tell caller to pick up UEFI2.0 SCSI IO Packet.\r |
1279 | //\r |
1280 | CallerEvent = PassData->Data2;\r |
1281 | gBS->CloseEvent(Event);\r |
1282 | gBS->SignalEvent(CallerEvent);\r |
1283 | }\r |