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3b2dbece | 1 | /** @file\r |
2 | SCSI Bus driver that layers on every SCSI Pass Thru and\r | |
3 | Extended SCSI Pass Thru protocol in the system.\r | |
3a10d471 | 4 | \r |
3b2dbece | 5 | Copyright (c) 2006 - 2008, Intel Corporation. <BR>\r |
c52fa98c | 6 | All rights reserved. This program and the accompanying materials\r |
7 | are licensed and made available under the terms and conditions of the BSD License\r | |
8 | which accompanies this distribution. The full text of the license may be found at\r | |
9 | http://opensource.org/licenses/bsd-license.php\r | |
10 | \r | |
11 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
12 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
3a10d471 | 13 | \r |
3b2dbece | 14 | **/\r |
3a10d471 | 15 | \r |
ed7748fe | 16 | \r |
60c93673 | 17 | #include <Uefi.h>\r |
3a10d471 | 18 | \r |
ed7748fe | 19 | \r |
3a10d471 | 20 | #include <Protocol/ScsiPassThru.h>\r |
70c94b3b | 21 | #include <Protocol/ScsiPassThruExt.h>\r |
3a10d471 | 22 | #include <Protocol/ScsiIo.h>\r |
23 | #include <Protocol/ComponentName.h>\r | |
24 | #include <Protocol/DriverBinding.h>\r | |
25 | #include <Protocol/DevicePath.h>\r | |
ed7748fe | 26 | \r |
3a10d471 | 27 | #include <Library/DebugLib.h>\r |
28 | #include <Library/UefiDriverEntryPoint.h>\r | |
29 | #include <Library/UefiLib.h>\r | |
30 | #include <Library/BaseMemoryLib.h>\r | |
70c94b3b | 31 | #include <Library/MemoryAllocationLib.h>\r |
3a10d471 | 32 | #include <Library/ScsiLib.h>\r |
33 | #include <Library/UefiBootServicesTableLib.h>\r | |
34 | #include <Library/DevicePathLib.h>\r | |
35 | \r | |
36 | #include "ScsiBus.h"\r | |
37 | \r | |
38 | EFI_DRIVER_BINDING_PROTOCOL gSCSIBusDriverBinding = {\r | |
39 | SCSIBusDriverBindingSupported,\r | |
40 | SCSIBusDriverBindingStart,\r | |
41 | SCSIBusDriverBindingStop,\r | |
42 | 0xa,\r | |
43 | NULL,\r | |
44 | NULL\r | |
45 | };\r | |
46 | \r | |
70c94b3b | 47 | \r |
48 | //\r | |
49 | // The ScsiBusProtocol is just used to locate ScsiBusDev\r | |
50 | // structure in the SCSIBusDriverBindingStop(). Then we can\r | |
51 | // Close all opened protocols and release this structure.\r | |
52 | //\r | |
53 | STATIC EFI_GUID mScsiBusProtocolGuid = EFI_SCSI_BUS_PROTOCOL_GUID;\r | |
54 | \r | |
55 | STATIC VOID *WorkingBuffer;\r | |
56 | \r | |
57 | STATIC\r | |
58 | EFI_STATUS\r | |
59 | EFIAPI\r | |
60 | ScsiioToPassThruPacket (\r | |
61 | IN EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet,\r | |
62 | IN OUT EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *CommandPacket\r | |
ed66e1bc | 63 | );\r |
70c94b3b | 64 | \r |
65 | \r | |
66 | STATIC\r | |
67 | EFI_STATUS\r | |
68 | EFIAPI\r | |
69 | PassThruToScsiioPacket (\r | |
70 | IN EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *ScsiPacket,\r | |
71 | IN OUT EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet\r | |
ed66e1bc | 72 | );\r |
70c94b3b | 73 | STATIC\r |
74 | VOID\r | |
75 | EFIAPI\r | |
76 | NotifyFunction (\r | |
77 | EFI_EVENT Event,\r | |
78 | VOID *Context\r | |
ed66e1bc | 79 | );\r |
70c94b3b | 80 | \r |
3a10d471 | 81 | /**\r |
82 | The user Entry Point for module ScsiBus. The user code starts with this function.\r | |
83 | \r | |
c52fa98c | 84 | @param[in] ImageHandle The firmware allocated handle for the EFI image.\r |
3a10d471 | 85 | @param[in] SystemTable A pointer to the EFI System Table.\r |
c52fa98c | 86 | \r |
3a10d471 | 87 | @retval EFI_SUCCESS The entry point is executed successfully.\r |
88 | @retval other Some error occurs when executing this entry point.\r | |
89 | \r | |
90 | **/\r | |
91 | EFI_STATUS\r | |
92 | EFIAPI\r | |
93 | InitializeScsiBus(\r | |
94 | IN EFI_HANDLE ImageHandle,\r | |
95 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
96 | )\r | |
97 | {\r | |
98 | EFI_STATUS Status;\r | |
99 | \r | |
100 | //\r | |
101 | // Install driver model protocol(s).\r | |
102 | //\r | |
70da5bc2 | 103 | Status = EfiLibInstallDriverBindingComponentName2 (\r |
3a10d471 | 104 | ImageHandle,\r |
105 | SystemTable,\r | |
106 | &gSCSIBusDriverBinding,\r | |
107 | ImageHandle,\r | |
108 | &gScsiBusComponentName,\r | |
70da5bc2 | 109 | &gScsiBusComponentName2\r |
3a10d471 | 110 | );\r |
111 | ASSERT_EFI_ERROR (Status);\r | |
112 | \r | |
3a10d471 | 113 | return Status;\r |
114 | }\r | |
115 | \r | |
116 | EFI_STATUS\r | |
117 | EFIAPI\r | |
118 | SCSIBusDriverBindingSupported (\r | |
119 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
120 | IN EFI_HANDLE Controller,\r | |
121 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
122 | )\r | |
123 | /*++\r | |
70c94b3b | 124 | \r |
125 | Routine Description:\r | |
126 | \r | |
127 | Test to see if this driver supports ControllerHandle. Any ControllerHandle\r | |
128 | that has ExtScsiPassThruProtocol/ScsiPassThruProtocol installed will be supported.\r | |
129 | \r | |
130 | Arguments:\r | |
131 | \r | |
132 | This - Protocol instance pointer.\r | |
133 | Controller - Handle of device to test\r | |
134 | RemainingDevicePath - Not used\r | |
135 | \r | |
136 | Returns:\r | |
137 | \r | |
138 | EFI_SUCCESS - This driver supports this device.\r | |
139 | EFI_UNSUPPORTED - This driver does not support this device.\r | |
140 | \r | |
3a10d471 | 141 | --*/\r |
70c94b3b | 142 | \r |
3a10d471 | 143 | {\r |
144 | EFI_STATUS Status;\r | |
70c94b3b | 145 | EFI_SCSI_PASS_THRU_PROTOCOL *PassThru;\r |
146 | EFI_EXT_SCSI_PASS_THRU_PROTOCOL *ExtPassThru;\r | |
3a10d471 | 147 | //\r |
70c94b3b | 148 | // Check for the existence of Extended SCSI Pass Thru Protocol and SCSI Pass Thru Protocol\r |
3a10d471 | 149 | //\r |
150 | Status = gBS->OpenProtocol (\r | |
151 | Controller,\r | |
70c94b3b | 152 | &gEfiExtScsiPassThruProtocolGuid,\r |
153 | (VOID **)&ExtPassThru,\r | |
3a10d471 | 154 | This->DriverBindingHandle,\r |
155 | Controller,\r | |
70c94b3b | 156 | EFI_OPEN_PROTOCOL_BY_DRIVER\r |
3a10d471 | 157 | );\r |
c52fa98c | 158 | \r |
70c94b3b | 159 | if (Status == EFI_ALREADY_STARTED) {\r |
160 | return EFI_SUCCESS;\r | |
161 | }\r | |
c52fa98c | 162 | \r |
70c94b3b | 163 | if (EFI_ERROR (Status)) {\r |
164 | Status = gBS->OpenProtocol (\r | |
165 | Controller,\r | |
166 | &gEfiScsiPassThruProtocolGuid,\r | |
167 | (VOID **)&PassThru,\r | |
168 | This->DriverBindingHandle,\r | |
169 | Controller,\r | |
170 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
171 | );\r | |
c52fa98c | 172 | \r |
70c94b3b | 173 | if (Status == EFI_ALREADY_STARTED) {\r |
174 | return EFI_SUCCESS;\r | |
175 | }\r | |
c52fa98c | 176 | \r |
70c94b3b | 177 | if (EFI_ERROR (Status)) {\r |
178 | return Status;\r | |
179 | }\r | |
180 | \r | |
181 | gBS->CloseProtocol (\r | |
182 | Controller,\r | |
183 | &gEfiScsiPassThruProtocolGuid,\r | |
184 | This->DriverBindingHandle,\r | |
185 | Controller\r | |
186 | );\r | |
187 | return EFI_SUCCESS;\r | |
3a10d471 | 188 | }\r |
c52fa98c | 189 | \r |
70c94b3b | 190 | gBS->CloseProtocol (\r |
191 | Controller,\r | |
192 | &gEfiExtScsiPassThruProtocolGuid,\r | |
193 | This->DriverBindingHandle,\r | |
194 | Controller\r | |
195 | );\r | |
3a10d471 | 196 | \r |
197 | return EFI_SUCCESS;\r | |
198 | }\r | |
199 | \r | |
200 | EFI_STATUS\r | |
201 | EFIAPI\r | |
202 | SCSIBusDriverBindingStart (\r | |
203 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
204 | IN EFI_HANDLE Controller,\r | |
205 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
206 | )\r | |
207 | /*++\r | |
70c94b3b | 208 | \r |
209 | Routine Description:\r | |
210 | Starting the SCSI Bus Driver\r | |
211 | \r | |
212 | Arguments:\r | |
213 | This - Protocol instance pointer.\r | |
214 | Controller - Handle of device to test\r | |
215 | RemainingDevicePath - Not used\r | |
216 | \r | |
217 | Returns:\r | |
218 | EFI_SUCCESS - This driver supports this device.\r | |
219 | EFI_UNSUPPORTED - This driver does not support this device.\r | |
220 | EFI_DEVICE_ERROR - This driver cannot be started due to device Error\r | |
221 | \r | |
3a10d471 | 222 | --*/\r |
3a10d471 | 223 | {\r |
f36d6e66 | 224 | UINT64 Lun;\r |
225 | UINT8 *TargetId;\r | |
226 | BOOLEAN ScanOtherPuns;\r | |
227 | BOOLEAN FromFirstTarget;\r | |
228 | BOOLEAN ExtScsiSupport;\r | |
229 | EFI_STATUS Status;\r | |
230 | EFI_STATUS DevicePathStatus;\r | |
231 | EFI_STATUS PassThruStatus;\r | |
232 | SCSI_BUS_DEVICE *ScsiBusDev;\r | |
233 | SCSI_TARGET_ID *ScsiTargetId;\r | |
234 | EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath;\r | |
235 | EFI_SCSI_PASS_THRU_PROTOCOL *ScsiInterface;\r | |
236 | EFI_EXT_SCSI_PASS_THRU_PROTOCOL *ExtScsiInterface;\r | |
237 | EFI_SCSI_BUS_PROTOCOL *BusIdentify;\r | |
238 | \r | |
239 | TargetId = NULL;\r | |
240 | ScsiTargetId = NULL;\r | |
241 | ScanOtherPuns = TRUE;\r | |
70c94b3b | 242 | FromFirstTarget = FALSE;\r |
f36d6e66 | 243 | ExtScsiSupport = FALSE;\r |
244 | PassThruStatus = EFI_SUCCESS;\r | |
245 | \r | |
246 | ScsiTargetId = AllocateZeroPool(sizeof(SCSI_TARGET_ID));\r | |
70c94b3b | 247 | if (ScsiTargetId == NULL) {\r |
248 | return EFI_OUT_OF_RESOURCES;\r | |
249 | }\r | |
250 | \r | |
251 | TargetId = &ScsiTargetId->ScsiId.ExtScsi[0];\r | |
f36d6e66 | 252 | \r |
253 | DevicePathStatus = gBS->OpenProtocol (\r | |
254 | Controller,\r | |
255 | &gEfiDevicePathProtocolGuid,\r | |
256 | (VOID **) &ParentDevicePath,\r | |
257 | This->DriverBindingHandle,\r | |
258 | Controller,\r | |
259 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
260 | );\r | |
261 | if (EFI_ERROR (DevicePathStatus) && (DevicePathStatus != EFI_ALREADY_STARTED)) {\r | |
262 | return DevicePathStatus;\r | |
3a10d471 | 263 | }\r |
264 | \r | |
265 | //\r | |
f36d6e66 | 266 | // To keep backward compatibility, UEFI ExtPassThru Protocol is supported as well as \r |
267 | // EFI PassThru Protocol. From priority perspective, ExtPassThru Protocol is firstly\r | |
268 | // tried to open on host controller handle. If fails, then PassThru Protocol is tried instead.\r | |
3a10d471 | 269 | //\r |
270 | Status = gBS->OpenProtocol (\r | |
271 | Controller,\r | |
70c94b3b | 272 | &gEfiExtScsiPassThruProtocolGuid,\r |
f36d6e66 | 273 | (VOID **) &ExtScsiInterface,\r |
3a10d471 | 274 | This->DriverBindingHandle,\r |
275 | Controller,\r | |
276 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
277 | );\r | |
f36d6e66 | 278 | //\r |
279 | // Fail to open UEFI ExtendPassThru Protocol, then try to open EFI PassThru Protocol instead.\r | |
280 | //\r | |
281 | if (EFI_ERROR(Status) && (Status != EFI_ALREADY_STARTED)) {\r | |
70c94b3b | 282 | Status = gBS->OpenProtocol (\r |
283 | Controller,\r | |
284 | &gEfiScsiPassThruProtocolGuid,\r | |
f36d6e66 | 285 | (VOID **) &ScsiInterface,\r |
70c94b3b | 286 | This->DriverBindingHandle,\r |
287 | Controller,\r | |
288 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
289 | );\r | |
f36d6e66 | 290 | //\r |
291 | // Fail to open EFI PassThru Protocol, Close the DevicePathProtocol if it is opened by this time.\r | |
292 | //\r | |
293 | if (EFI_ERROR (Status) && (Status != EFI_ALREADY_STARTED)) {\r | |
294 | if (!EFI_ERROR(DevicePathStatus)) {\r | |
295 | gBS->CloseProtocol (\r | |
296 | Controller,\r | |
297 | &gEfiDevicePathProtocolGuid,\r | |
298 | This->DriverBindingHandle,\r | |
299 | Controller\r | |
300 | );\r | |
301 | } \r | |
70c94b3b | 302 | return Status;\r |
f36d6e66 | 303 | } \r |
70c94b3b | 304 | } else {\r |
f36d6e66 | 305 | //\r |
306 | // Succeed to open ExtPassThru Protocol, and meanwhile open PassThru Protocol \r | |
307 | // with BY_DRIVER if it is also present on the handle. The intent is to prevent \r | |
308 | // another SCSI Bus Driver to work on the same host handle.\r | |
309 | //\r | |
310 | ExtScsiSupport = TRUE;\r | |
311 | PassThruStatus = gBS->OpenProtocol (\r | |
312 | Controller,\r | |
313 | &gEfiScsiPassThruProtocolGuid,\r | |
314 | (VOID **) &ScsiInterface,\r | |
315 | This->DriverBindingHandle,\r | |
316 | Controller,\r | |
317 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
318 | );\r | |
70c94b3b | 319 | }\r |
f36d6e66 | 320 | \r |
321 | if (Status != EFI_ALREADY_STARTED) {\r | |
322 | //\r | |
323 | // Go through here means either ExtPassThru or PassThru Protocol is successfully opened\r | |
324 | // on this handle for this time. Then construct Host controller private data.\r | |
325 | //\r | |
326 | ScsiBusDev = NULL;\r | |
327 | ScsiBusDev = AllocateZeroPool(sizeof(SCSI_BUS_DEVICE));\r | |
328 | if (ScsiBusDev == NULL) {\r | |
329 | Status = EFI_OUT_OF_RESOURCES;\r | |
330 | goto ErrorExit;\r | |
331 | }\r | |
332 | ScsiBusDev->Signature = SCSI_BUS_DEVICE_SIGNATURE;\r | |
333 | ScsiBusDev->ExtScsiSupport = ExtScsiSupport;\r | |
334 | ScsiBusDev->DevicePath = ParentDevicePath;\r | |
70c94b3b | 335 | if (ScsiBusDev->ExtScsiSupport) {\r |
f36d6e66 | 336 | ScsiBusDev->ExtScsiInterface = ExtScsiInterface;\r |
70c94b3b | 337 | } else {\r |
f36d6e66 | 338 | ScsiBusDev->ScsiInterface = ScsiInterface; \r |
70c94b3b | 339 | }\r |
f36d6e66 | 340 | \r |
341 | //\r | |
342 | // Install EFI_SCSI_BUS_PROTOCOL to the controller handle, So ScsiBusDev could be\r | |
343 | // retrieved on this controller handle. With ScsiBusDev, we can know which PassThru\r | |
344 | // Protocol is present on the handle, UEFI ExtPassThru Protocol or EFI PassThru Protocol.\r | |
345 | // \r | |
346 | Status = gBS->InstallProtocolInterface (\r | |
347 | &Controller,\r | |
348 | &mScsiBusProtocolGuid,\r | |
349 | EFI_NATIVE_INTERFACE,\r | |
350 | &ScsiBusDev->BusIdentify\r | |
351 | );\r | |
352 | if (EFI_ERROR (Status)) {\r | |
353 | goto ErrorExit;\r | |
354 | }\r | |
355 | } else {\r | |
356 | //\r | |
357 | // Go through here means Start() is re-invoked again, nothing special is required to do except\r | |
358 | // picking up Host controller private information.\r | |
359 | //\r | |
360 | Status = gBS->OpenProtocol (\r | |
361 | Controller,\r | |
362 | &mScsiBusProtocolGuid,\r | |
363 | (VOID **) &BusIdentify,\r | |
364 | This->DriverBindingHandle,\r | |
365 | Controller,\r | |
366 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
367 | );\r | |
368 | \r | |
369 | if (EFI_ERROR (Status)) {\r | |
370 | return Status;\r | |
371 | }\r | |
372 | ScsiBusDev = SCSI_BUS_CONTROLLER_DEVICE_FROM_THIS (BusIdentify);\r | |
3a10d471 | 373 | }\r |
374 | \r | |
375 | if (RemainingDevicePath == NULL) {\r | |
70c94b3b | 376 | SetMem (ScsiTargetId, TARGET_MAX_BYTES,0xFF);\r |
377 | Lun = 0;\r | |
378 | FromFirstTarget = TRUE;\r | |
3a10d471 | 379 | } else {\r |
70c94b3b | 380 | if (ScsiBusDev->ExtScsiSupport) {\r |
f36d6e66 | 381 | ScsiBusDev->ExtScsiInterface->GetTargetLun (ScsiBusDev->ExtScsiInterface, RemainingDevicePath, &TargetId, &Lun); \r |
70c94b3b | 382 | } else {\r |
383 | ScsiBusDev->ScsiInterface->GetTargetLun (ScsiBusDev->ScsiInterface, RemainingDevicePath, &ScsiTargetId->ScsiId.Scsi, &Lun);\r | |
384 | }\r | |
3a10d471 | 385 | }\r |
386 | \r | |
70c94b3b | 387 | while(ScanOtherPuns) {\r |
388 | if (FromFirstTarget) {\r | |
3a10d471 | 389 | //\r |
390 | // Remaining Device Path is NULL, scan all the possible Puns in the\r | |
391 | // SCSI Channel.\r | |
392 | //\r | |
70c94b3b | 393 | if (ScsiBusDev->ExtScsiSupport) {\r |
394 | Status = ScsiBusDev->ExtScsiInterface->GetNextTargetLun (ScsiBusDev->ExtScsiInterface, &TargetId, &Lun);\r | |
395 | } else {\r | |
396 | Status = ScsiBusDev->ScsiInterface->GetNextDevice (ScsiBusDev->ScsiInterface, &ScsiTargetId->ScsiId.Scsi, &Lun);\r | |
397 | }\r | |
3a10d471 | 398 | if (EFI_ERROR (Status)) {\r |
399 | //\r | |
400 | // no legal Pun and Lun found any more\r | |
401 | //\r | |
402 | break;\r | |
403 | }\r | |
404 | } else {\r | |
3a10d471 | 405 | ScanOtherPuns = FALSE;\r |
406 | }\r | |
3a10d471 | 407 | //\r |
408 | // Avoid creating handle for the host adapter.\r | |
409 | //\r | |
70c94b3b | 410 | if (ScsiBusDev->ExtScsiSupport) {\r |
411 | if ((ScsiTargetId->ScsiId.Scsi) == ScsiBusDev->ExtScsiInterface->Mode->AdapterId) {\r | |
412 | continue;\r | |
413 | }\r | |
414 | } else {\r | |
415 | if ((ScsiTargetId->ScsiId.Scsi) == ScsiBusDev->ScsiInterface->Mode->AdapterId) {\r | |
416 | continue;\r | |
417 | }\r | |
3a10d471 | 418 | }\r |
3a10d471 | 419 | //\r |
420 | // Scan for the scsi device, if it attaches to the scsi bus,\r | |
421 | // then create handle and install scsi i/o protocol.\r | |
422 | //\r | |
70c94b3b | 423 | Status = ScsiScanCreateDevice (This, Controller, ScsiTargetId, Lun, ScsiBusDev);\r |
3a10d471 | 424 | }\r |
f36d6e66 | 425 | gBS->FreePool (ScsiTargetId);\r |
426 | return EFI_SUCCESS;\r | |
427 | \r | |
428 | ErrorExit:\r | |
429 | \r | |
430 | if (ScsiBusDev != NULL) {\r | |
431 | gBS->FreePool (ScsiBusDev);\r | |
432 | }\r | |
433 | \r | |
434 | if (ExtScsiSupport) {\r | |
435 | gBS->CloseProtocol (\r | |
436 | Controller,\r | |
437 | &gEfiExtScsiPassThruProtocolGuid,\r | |
438 | This->DriverBindingHandle,\r | |
439 | Controller\r | |
440 | );\r | |
441 | if (!EFI_ERROR (PassThruStatus)) {\r | |
442 | gBS->CloseProtocol (\r | |
443 | Controller,\r | |
444 | &gEfiScsiPassThruProtocolGuid,\r | |
445 | This->DriverBindingHandle,\r | |
446 | Controller\r | |
447 | );\r | |
448 | }\r | |
449 | } else {\r | |
450 | gBS->CloseProtocol (\r | |
451 | Controller,\r | |
452 | &gEfiScsiPassThruProtocolGuid,\r | |
453 | This->DriverBindingHandle,\r | |
454 | Controller\r | |
455 | );\r | |
456 | }\r | |
3a10d471 | 457 | return Status;\r |
458 | }\r | |
459 | \r | |
460 | EFI_STATUS\r | |
461 | EFIAPI\r | |
462 | SCSIBusDriverBindingStop (\r | |
463 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
464 | IN EFI_HANDLE Controller,\r | |
465 | IN UINTN NumberOfChildren,\r | |
466 | IN EFI_HANDLE *ChildHandleBuffer\r | |
467 | )\r | |
468 | /*++\r | |
c52fa98c | 469 | \r |
f36d6e66 | 470 | Routine Description:\r |
471 | \r | |
472 | Stop this driver on ControllerHandle. Support stoping any child handles\r | |
473 | created by this driver.\r | |
c52fa98c | 474 | \r |
f36d6e66 | 475 | Arguments:\r |
c52fa98c | 476 | \r |
f36d6e66 | 477 | This - Protocol instance pointer.\r |
478 | Controller - Handle of device to stop driver on\r | |
479 | NumberOfChildren - Number of Children in the ChildHandleBuffer\r | |
480 | ChildHandleBuffer - List of handles for the children we need to stop.\r | |
c52fa98c | 481 | \r |
f36d6e66 | 482 | Returns:\r |
483 | \r | |
484 | EFI_SUCCESS\r | |
485 | Others\r | |
3a10d471 | 486 | --*/\r |
3a10d471 | 487 | {\r |
488 | EFI_STATUS Status;\r | |
489 | BOOLEAN AllChildrenStopped;\r | |
490 | UINTN Index;\r | |
491 | EFI_SCSI_IO_PROTOCOL *ScsiIo;\r | |
492 | SCSI_IO_DEV *ScsiIoDevice;\r | |
70c94b3b | 493 | VOID *ScsiPassThru;\r |
494 | EFI_SCSI_BUS_PROTOCOL *Scsidentifier;\r | |
495 | SCSI_BUS_DEVICE *ScsiBusDev;\r | |
3a10d471 | 496 | \r |
497 | if (NumberOfChildren == 0) {\r | |
70c94b3b | 498 | //\r |
499 | // Get the SCSI_BUS_DEVICE\r | |
500 | //\r | |
501 | Status = gBS->OpenProtocol (\r | |
502 | Controller,\r | |
503 | &mScsiBusProtocolGuid,\r | |
504 | (VOID **) &Scsidentifier,\r | |
505 | This->DriverBindingHandle,\r | |
506 | Controller,\r | |
507 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
508 | );\r | |
c52fa98c | 509 | \r |
70c94b3b | 510 | if (EFI_ERROR (Status)) {\r |
511 | return EFI_DEVICE_ERROR;\r | |
512 | }\r | |
513 | \r | |
514 | ScsiBusDev = SCSI_BUS_CONTROLLER_DEVICE_FROM_THIS (Scsidentifier);\r | |
515 | \r | |
516 | //\r | |
517 | // Uninstall SCSI Bus Protocol\r | |
518 | //\r | |
519 | gBS->UninstallProtocolInterface (\r | |
520 | Controller,\r | |
521 | &mScsiBusProtocolGuid,\r | |
522 | &ScsiBusDev->BusIdentify\r | |
523 | );\r | |
c52fa98c | 524 | \r |
3a10d471 | 525 | //\r |
526 | // Close the bus driver\r | |
527 | //\r | |
70c94b3b | 528 | if (ScsiBusDev->ExtScsiSupport) {\r |
529 | gBS->CloseProtocol (\r | |
530 | Controller,\r | |
531 | &gEfiExtScsiPassThruProtocolGuid,\r | |
532 | This->DriverBindingHandle,\r | |
533 | Controller\r | |
534 | );\r | |
535 | } else {\r | |
536 | gBS->CloseProtocol (\r | |
537 | Controller,\r | |
538 | &gEfiScsiPassThruProtocolGuid,\r | |
539 | This->DriverBindingHandle,\r | |
540 | Controller\r | |
541 | );\r | |
542 | }\r | |
3a10d471 | 543 | \r |
70c94b3b | 544 | gBS->CloseProtocol (\r |
545 | Controller,\r | |
546 | &gEfiDevicePathProtocolGuid,\r | |
547 | This->DriverBindingHandle,\r | |
548 | Controller\r | |
549 | );\r | |
550 | gBS->FreePool (ScsiBusDev);\r | |
3a10d471 | 551 | return EFI_SUCCESS;\r |
552 | }\r | |
553 | \r | |
554 | AllChildrenStopped = TRUE;\r | |
555 | \r | |
556 | for (Index = 0; Index < NumberOfChildren; Index++) {\r | |
557 | \r | |
558 | Status = gBS->OpenProtocol (\r | |
559 | ChildHandleBuffer[Index],\r | |
560 | &gEfiScsiIoProtocolGuid,\r | |
561 | (VOID **) &ScsiIo,\r | |
562 | This->DriverBindingHandle,\r | |
563 | Controller,\r | |
564 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
565 | );\r | |
566 | if (EFI_ERROR (Status)) {\r | |
567 | AllChildrenStopped = FALSE;\r | |
568 | continue;\r | |
569 | }\r | |
570 | \r | |
571 | ScsiIoDevice = SCSI_IO_DEV_FROM_THIS (ScsiIo);\r | |
572 | //\r | |
573 | // Close the child handle\r | |
574 | //\r | |
70c94b3b | 575 | if (ScsiIoDevice->ExtScsiSupport) {\r |
576 | Status = gBS->CloseProtocol (\r | |
577 | Controller,\r | |
578 | &gEfiExtScsiPassThruProtocolGuid,\r | |
579 | This->DriverBindingHandle,\r | |
580 | ChildHandleBuffer[Index]\r | |
581 | );\r | |
582 | \r | |
583 | } else {\r | |
584 | Status = gBS->CloseProtocol (\r | |
585 | Controller,\r | |
586 | &gEfiScsiPassThruProtocolGuid,\r | |
587 | This->DriverBindingHandle,\r | |
588 | ChildHandleBuffer[Index]\r | |
589 | );\r | |
590 | }\r | |
3a10d471 | 591 | \r |
592 | Status = gBS->UninstallMultipleProtocolInterfaces (\r | |
593 | ChildHandleBuffer[Index],\r | |
594 | &gEfiDevicePathProtocolGuid,\r | |
595 | ScsiIoDevice->DevicePath,\r | |
596 | &gEfiScsiIoProtocolGuid,\r | |
597 | &ScsiIoDevice->ScsiIo,\r | |
598 | NULL\r | |
599 | );\r | |
600 | if (EFI_ERROR (Status)) {\r | |
601 | AllChildrenStopped = FALSE;\r | |
70c94b3b | 602 | if (ScsiIoDevice->ExtScsiSupport) {\r |
603 | gBS->OpenProtocol (\r | |
604 | Controller,\r | |
605 | &gEfiExtScsiPassThruProtocolGuid,\r | |
84b5c78e | 606 | &ScsiPassThru,\r |
70c94b3b | 607 | This->DriverBindingHandle,\r |
608 | ChildHandleBuffer[Index],\r | |
609 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r | |
610 | );\r | |
611 | } else {\r | |
612 | gBS->OpenProtocol (\r | |
613 | Controller,\r | |
614 | &gEfiScsiPassThruProtocolGuid,\r | |
84b5c78e | 615 | &ScsiPassThru,\r |
70c94b3b | 616 | This->DriverBindingHandle,\r |
617 | ChildHandleBuffer[Index],\r | |
618 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r | |
619 | );\r | |
620 | }\r | |
3a10d471 | 621 | } else {\r |
622 | gBS->FreePool (ScsiIoDevice);\r | |
623 | }\r | |
624 | }\r | |
625 | \r | |
626 | if (!AllChildrenStopped) {\r | |
627 | return EFI_DEVICE_ERROR;\r | |
628 | }\r | |
629 | \r | |
630 | return EFI_SUCCESS;\r | |
631 | }\r | |
632 | \r | |
633 | EFI_STATUS\r | |
634 | EFIAPI\r | |
635 | ScsiGetDeviceType (\r | |
636 | IN EFI_SCSI_IO_PROTOCOL *This,\r | |
637 | OUT UINT8 *DeviceType\r | |
638 | )\r | |
639 | /*++\r | |
640 | \r | |
f36d6e66 | 641 | Routine Description:\r |
642 | \r | |
643 | Retrieves the device type information of the SCSI Controller.\r | |
644 | \r | |
645 | Arguments:\r | |
c52fa98c | 646 | \r |
f36d6e66 | 647 | This - Protocol instance pointer.\r |
648 | DeviceType - A pointer to the device type information\r | |
649 | retrieved from the SCSI Controller. \r | |
3a10d471 | 650 | \r |
f36d6e66 | 651 | Returns:\r |
652 | \r | |
653 | EFI_SUCCESS - Retrieves the device type information successfully.\r | |
654 | EFI_INVALID_PARAMETER - The DeviceType is NULL.\r | |
655 | \r | |
3a10d471 | 656 | --*/\r |
657 | {\r | |
658 | SCSI_IO_DEV *ScsiIoDevice;\r | |
659 | \r | |
660 | if (DeviceType == NULL) {\r | |
661 | return EFI_INVALID_PARAMETER;\r | |
662 | }\r | |
663 | \r | |
664 | ScsiIoDevice = SCSI_IO_DEV_FROM_THIS (This);\r | |
665 | *DeviceType = ScsiIoDevice->ScsiDeviceType;\r | |
666 | return EFI_SUCCESS;\r | |
667 | }\r | |
668 | \r | |
3a10d471 | 669 | EFI_STATUS\r |
670 | EFIAPI\r | |
671 | ScsiGetDeviceLocation (\r | |
672 | IN EFI_SCSI_IO_PROTOCOL *This,\r | |
70c94b3b | 673 | IN OUT UINT8 **Target,\r |
3a10d471 | 674 | OUT UINT64 *Lun\r |
675 | )\r | |
676 | /*++\r | |
f36d6e66 | 677 | \r |
678 | Routine Description:\r | |
679 | \r | |
680 | Retrieves the device location in the SCSI channel.\r | |
681 | \r | |
682 | Arguments:\r | |
683 | \r | |
684 | This - Protocol instance pointer.\r | |
685 | Target - A pointer to the Target Array which represents ID of a SCSI device \r | |
686 | on the SCSI channel. \r | |
687 | Lun - A pointer to the LUN of the SCSI device on \r | |
688 | the SCSI channel.\r | |
689 | \r | |
690 | Returns:\r | |
691 | \r | |
692 | EFI_SUCCESS - Retrieves the device location successfully.\r | |
693 | EFI_INVALID_PARAMETER - The Target or Lun is NULL.\r | |
694 | \r | |
3a10d471 | 695 | --*/\r |
696 | {\r | |
697 | SCSI_IO_DEV *ScsiIoDevice;\r | |
698 | \r | |
699 | if (Target == NULL || Lun == NULL) {\r | |
700 | return EFI_INVALID_PARAMETER;\r | |
701 | }\r | |
702 | \r | |
f36d6e66 | 703 | ScsiIoDevice = SCSI_IO_DEV_FROM_THIS (This);\r |
3a10d471 | 704 | \r |
70c94b3b | 705 | CopyMem (*Target,&ScsiIoDevice->Pun, TARGET_MAX_BYTES);\r |
706 | \r | |
f36d6e66 | 707 | *Lun = ScsiIoDevice->Lun;\r |
3a10d471 | 708 | \r |
709 | return EFI_SUCCESS;\r | |
710 | }\r | |
711 | \r | |
712 | EFI_STATUS\r | |
713 | EFIAPI\r | |
714 | ScsiResetBus (\r | |
715 | IN EFI_SCSI_IO_PROTOCOL *This\r | |
716 | )\r | |
717 | /*++\r | |
718 | \r | |
f36d6e66 | 719 | Routine Description:\r |
c52fa98c | 720 | \r |
f36d6e66 | 721 | Resets the SCSI Bus that the SCSI Controller is attached to.\r |
722 | \r | |
723 | Arguments:\r | |
3a10d471 | 724 | \r |
f36d6e66 | 725 | This - Protocol instance pointer.\r |
726 | \r | |
727 | Returns:\r | |
728 | \r | |
729 | EFI_SUCCESS - The SCSI bus is reset successfully.\r | |
730 | EFI_DEVICE_ERROR - Errors encountered when resetting the SCSI bus.\r | |
731 | EFI_UNSUPPORTED - The bus reset operation is not supported by the\r | |
732 | SCSI Host Controller.\r | |
733 | EFI_TIMEOUT - A timeout occurred while attempting to reset \r | |
734 | the SCSI bus.\r | |
3a10d471 | 735 | --*/\r |
736 | {\r | |
737 | SCSI_IO_DEV *ScsiIoDevice;\r | |
738 | \r | |
739 | ScsiIoDevice = SCSI_IO_DEV_FROM_THIS (This);\r | |
740 | \r | |
70c94b3b | 741 | if (ScsiIoDevice->ExtScsiSupport){\r |
742 | return ScsiIoDevice->ExtScsiPassThru->ResetChannel (ScsiIoDevice->ExtScsiPassThru);\r | |
743 | } else {\r | |
744 | return ScsiIoDevice->ScsiPassThru->ResetChannel (ScsiIoDevice->ScsiPassThru);\r | |
745 | }\r | |
3a10d471 | 746 | }\r |
747 | \r | |
748 | EFI_STATUS\r | |
749 | EFIAPI\r | |
750 | ScsiResetDevice (\r | |
751 | IN EFI_SCSI_IO_PROTOCOL *This\r | |
752 | )\r | |
753 | /*++\r | |
754 | \r | |
f36d6e66 | 755 | Routine Description:\r |
c52fa98c | 756 | \r |
f36d6e66 | 757 | Resets the SCSI Controller that the device handle specifies.\r |
758 | \r | |
759 | Arguments:\r | |
c52fa98c | 760 | \r |
f36d6e66 | 761 | This - Protocol instance pointer.\r |
762 | \r | |
763 | Returns:\r | |
3a10d471 | 764 | \r |
f36d6e66 | 765 | EFI_SUCCESS - Reset the SCSI controller successfully.\r |
766 | EFI_DEVICE_ERROR - Errors are encountered when resetting the\r | |
767 | SCSI Controller.\r | |
768 | EFI_UNSUPPORTED - The SCSI bus does not support a device \r | |
769 | reset operation.\r | |
770 | EFI_TIMEOUT - A timeout occurred while attempting to \r | |
771 | reset the SCSI Controller.\r | |
3a10d471 | 772 | --*/\r |
773 | {\r | |
f36d6e66 | 774 | SCSI_IO_DEV *ScsiIoDevice;\r |
70c94b3b | 775 | UINT8 Target[TARGET_MAX_BYTES];\r |
3a10d471 | 776 | \r |
777 | ScsiIoDevice = SCSI_IO_DEV_FROM_THIS (This);\r | |
70c94b3b | 778 | CopyMem (Target,&ScsiIoDevice->Pun, TARGET_MAX_BYTES);\r |
779 | \r | |
3a10d471 | 780 | \r |
70c94b3b | 781 | if (ScsiIoDevice->ExtScsiSupport) {\r |
782 | return ScsiIoDevice->ExtScsiPassThru->ResetTargetLun (\r | |
783 | ScsiIoDevice->ExtScsiPassThru,\r | |
784 | Target,\r | |
785 | ScsiIoDevice->Lun\r | |
786 | );\r | |
787 | } else {\r | |
788 | return ScsiIoDevice->ScsiPassThru->ResetTarget (\r | |
789 | ScsiIoDevice->ScsiPassThru,\r | |
790 | ScsiIoDevice->Pun.ScsiId.Scsi,\r | |
791 | ScsiIoDevice->Lun\r | |
792 | );\r | |
793 | }\r | |
3a10d471 | 794 | }\r |
795 | \r | |
796 | EFI_STATUS\r | |
797 | EFIAPI\r | |
798 | ScsiExecuteSCSICommand (\r | |
799 | IN EFI_SCSI_IO_PROTOCOL *This,\r | |
800 | IN OUT EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet,\r | |
801 | IN EFI_EVENT Event OPTIONAL\r | |
802 | )\r | |
803 | /*++\r | |
804 | \r | |
f36d6e66 | 805 | Routine Description:\r |
806 | \r | |
807 | Sends a SCSI Request Packet to the SCSI Controller for execution.\r | |
808 | \r | |
809 | Arguments:\r | |
810 | \r | |
811 | This - Protocol instance pointer.\r | |
812 | Packet - The SCSI request packet to send to the SCSI \r | |
813 | Controller specified by the device handle.\r | |
814 | Event - If the SCSI bus where the SCSI device is attached\r | |
815 | does not support non-blocking I/O, then Event is \r | |
816 | ignored, and blocking I/O is performed. \r | |
817 | If Event is NULL, then blocking I/O is performed.\r | |
818 | If Event is not NULL and non-blocking I/O is \r | |
819 | supported, then non-blocking I/O is performed,\r | |
820 | and Event will be signaled when the SCSI Request\r | |
821 | Packet completes.\r | |
822 | Returns:\r | |
823 | \r | |
824 | EFI_SUCCESS - The SCSI Request Packet was sent by the host \r | |
825 | successfully, and TransferLength bytes were \r | |
826 | transferred to/from DataBuffer.See \r | |
827 | HostAdapterStatus, TargetStatus, \r | |
828 | SenseDataLength, and SenseData in that order\r | |
829 | for additional status information.\r | |
830 | EFI_BAD_BUFFER_SIZE - The SCSI Request Packet was executed, \r | |
831 | but the entire DataBuffer could not be transferred.\r | |
832 | The actual number of bytes transferred is returned\r | |
833 | in TransferLength. See HostAdapterStatus, \r | |
834 | TargetStatus, SenseDataLength, and SenseData in \r | |
835 | that order for additional status information.\r | |
836 | EFI_NOT_READY - The SCSI Request Packet could not be sent because \r | |
837 | there are too many SCSI Command Packets already \r | |
838 | queued.The caller may retry again later.\r | |
839 | EFI_DEVICE_ERROR - A device error occurred while attempting to send \r | |
840 | the SCSI Request Packet. See HostAdapterStatus, \r | |
841 | TargetStatus, SenseDataLength, and SenseData in \r | |
842 | that order for additional status information.\r | |
843 | EFI_INVALID_PARAMETER - The contents of CommandPacket are invalid. \r | |
844 | The SCSI Request Packet was not sent, so no \r | |
845 | additional status information is available.\r | |
846 | EFI_UNSUPPORTED - The command described by the SCSI Request Packet\r | |
847 | is not supported by the SCSI initiator(i.e., SCSI \r | |
848 | Host Controller). The SCSI Request Packet was not\r | |
849 | sent, so no additional status information is \r | |
850 | available.\r | |
851 | EFI_TIMEOUT - A timeout occurred while waiting for the SCSI \r | |
852 | Request Packet to execute. See HostAdapterStatus,\r | |
853 | TargetStatus, SenseDataLength, and SenseData in \r | |
854 | that order for additional status information.\r | |
3a10d471 | 855 | --*/\r |
856 | {\r | |
f36d6e66 | 857 | SCSI_IO_DEV *ScsiIoDevice;\r |
858 | EFI_STATUS Status;\r | |
70c94b3b | 859 | UINT8 Target[TARGET_MAX_BYTES];\r |
860 | EFI_EVENT PacketEvent;\r | |
861 | EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *ExtRequestPacket;\r | |
f36d6e66 | 862 | SCSI_EVENT_DATA EventData; \r |
3a10d471 | 863 | \r |
70c94b3b | 864 | PacketEvent = NULL;\r |
f36d6e66 | 865 | \r |
3a10d471 | 866 | if (Packet == NULL) {\r |
867 | return EFI_INVALID_PARAMETER;\r | |
868 | }\r | |
869 | \r | |
870 | ScsiIoDevice = SCSI_IO_DEV_FROM_THIS (This);\r | |
70c94b3b | 871 | CopyMem (Target,&ScsiIoDevice->Pun, TARGET_MAX_BYTES);\r |
c52fa98c | 872 | \r |
70c94b3b | 873 | if (ScsiIoDevice->ExtScsiSupport) {\r |
874 | ExtRequestPacket = (EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *) Packet;\r | |
875 | Status = ScsiIoDevice->ExtScsiPassThru->PassThru (\r | |
876 | ScsiIoDevice->ExtScsiPassThru,\r | |
877 | Target,\r | |
878 | ScsiIoDevice->Lun,\r | |
879 | ExtRequestPacket,\r | |
880 | Event\r | |
881 | );\r | |
882 | } else {\r | |
3a10d471 | 883 | \r |
70c94b3b | 884 | Status = gBS->AllocatePool (\r |
885 | EfiBootServicesData,\r | |
886 | sizeof(EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET),\r | |
887 | (VOID**)&WorkingBuffer\r | |
888 | );\r | |
3a10d471 | 889 | \r |
70c94b3b | 890 | if (EFI_ERROR (Status)) {\r |
891 | return EFI_DEVICE_ERROR;\r | |
892 | }\r | |
893 | \r | |
894 | //\r | |
c52fa98c | 895 | // Convert package into EFI1.0, EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET.\r |
70c94b3b | 896 | //\r |
897 | Status = ScsiioToPassThruPacket(Packet, (EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET*)WorkingBuffer);\r | |
898 | if (EFI_ERROR(Status)) {\r | |
c52fa98c | 899 | gBS->FreePool(WorkingBuffer);\r |
70c94b3b | 900 | return Status;\r |
901 | }\r | |
902 | \r | |
903 | if ((ScsiIoDevice->ScsiPassThru->Mode->Attributes & EFI_SCSI_PASS_THRU_ATTRIBUTES_NONBLOCKIO) && (Event != NULL)) {\r | |
904 | EventData.Data1 = (VOID*)Packet;\r | |
905 | EventData.Data2 = Event;\r | |
906 | //\r | |
907 | // Create Event\r | |
908 | //\r | |
909 | Status = gBS->CreateEvent (\r | |
910 | EVT_NOTIFY_SIGNAL,\r | |
911 | TPL_CALLBACK,\r | |
912 | NotifyFunction,\r | |
913 | &EventData,\r | |
914 | &PacketEvent\r | |
915 | );\r | |
916 | if (EFI_ERROR(Status)) {\r | |
917 | gBS->FreePool(WorkingBuffer);\r | |
918 | return Status;\r | |
919 | }\r | |
c52fa98c | 920 | \r |
70c94b3b | 921 | Status = ScsiIoDevice->ScsiPassThru->PassThru (\r |
922 | ScsiIoDevice->ScsiPassThru,\r | |
923 | ScsiIoDevice->Pun.ScsiId.Scsi,\r | |
924 | ScsiIoDevice->Lun,\r | |
925 | WorkingBuffer,\r | |
926 | PacketEvent\r | |
927 | );\r | |
928 | \r | |
929 | if (EFI_ERROR(Status)) {\r | |
930 | gBS->FreePool(WorkingBuffer);\r | |
931 | gBS->CloseEvent(PacketEvent);\r | |
932 | return Status;\r | |
933 | }\r | |
c52fa98c | 934 | \r |
70c94b3b | 935 | } else {\r |
936 | //\r | |
937 | // If there's no event or SCSI Device doesn't support NON-BLOCKING, just convert\r | |
938 | // EFI1.0 PassThru packet back to UEFI2.0 SCSI IO Packet.\r | |
939 | //\r | |
940 | Status = ScsiIoDevice->ScsiPassThru->PassThru (\r | |
941 | ScsiIoDevice->ScsiPassThru,\r | |
942 | ScsiIoDevice->Pun.ScsiId.Scsi,\r | |
943 | ScsiIoDevice->Lun,\r | |
944 | WorkingBuffer,\r | |
945 | Event\r | |
946 | );\r | |
947 | if (EFI_ERROR(Status)) {\r | |
948 | gBS->FreePool(WorkingBuffer);\r | |
949 | return Status;\r | |
950 | }\r | |
951 | \r | |
952 | PassThruToScsiioPacket((EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET*)WorkingBuffer,Packet);\r | |
953 | //\r | |
954 | // After converting EFI1.0 PassThru Packet back to UEFI2.0 SCSI IO Packet,\r | |
955 | // free WorkingBuffer.\r | |
956 | //\r | |
957 | gBS->FreePool(WorkingBuffer);\r | |
958 | }\r | |
959 | }\r | |
3a10d471 | 960 | return Status;\r |
961 | }\r | |
962 | \r | |
963 | EFI_STATUS\r | |
c52fa98c | 964 | EFIAPI\r |
3a10d471 | 965 | ScsiScanCreateDevice (\r |
966 | EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
967 | EFI_HANDLE Controller,\r | |
70c94b3b | 968 | SCSI_TARGET_ID *TargetId,\r |
3a10d471 | 969 | UINT64 Lun,\r |
70c94b3b | 970 | SCSI_BUS_DEVICE *ScsiBusDev\r |
3a10d471 | 971 | )\r |
972 | /*++\r | |
973 | \r | |
974 | Routine Description:\r | |
975 | \r | |
70c94b3b | 976 | Scan SCSI Bus to discover the device, and attach ScsiIoProtocol to it.\r |
3a10d471 | 977 | \r |
978 | Arguments:\r | |
979 | \r | |
70c94b3b | 980 | This - Protocol instance pointer\r |
981 | Controller - Controller handle\r | |
982 | Pun - The Pun of the SCSI device on the SCSI channel.\r | |
983 | Lun - The Lun of the SCSI device on the SCSI channel.\r | |
984 | ScsiBusDev - The pointer of SCSI_BUS_DEVICE\r | |
3a10d471 | 985 | \r |
986 | Returns:\r | |
987 | \r | |
70c94b3b | 988 | EFI_SUCCESS - Successfully to discover the device and attach ScsiIoProtocol to it.\r |
989 | EFI_OUT_OF_RESOURCES - Fail to discover the device.\r | |
3a10d471 | 990 | \r |
991 | --*/\r | |
992 | {\r | |
993 | EFI_STATUS Status;\r | |
994 | SCSI_IO_DEV *ScsiIoDevice;\r | |
995 | EFI_DEVICE_PATH_PROTOCOL *ScsiDevicePath;\r | |
996 | \r | |
997 | Status = gBS->AllocatePool (\r | |
998 | EfiBootServicesData,\r | |
999 | sizeof (SCSI_IO_DEV),\r | |
1000 | (VOID **) &ScsiIoDevice\r | |
1001 | );\r | |
1002 | if (EFI_ERROR (Status)) {\r | |
1003 | return Status;\r | |
1004 | }\r | |
1005 | \r | |
1006 | ZeroMem (ScsiIoDevice, sizeof (SCSI_IO_DEV));\r | |
1007 | \r | |
1008 | ScsiIoDevice->Signature = SCSI_IO_DEV_SIGNATURE;\r | |
70c94b3b | 1009 | CopyMem(&ScsiIoDevice->Pun, TargetId, TARGET_MAX_BYTES);\r |
3a10d471 | 1010 | ScsiIoDevice->Lun = Lun;\r |
1011 | \r | |
70c94b3b | 1012 | if (ScsiBusDev->ExtScsiSupport) {\r |
1013 | ScsiIoDevice->ExtScsiPassThru = ScsiBusDev->ExtScsiInterface;\r | |
1014 | ScsiIoDevice->ExtScsiSupport = TRUE;\r | |
1015 | ScsiIoDevice->ScsiIo.IoAlign = ScsiIoDevice->ExtScsiPassThru->Mode->IoAlign;\r | |
1016 | \r | |
1017 | } else {\r | |
1018 | ScsiIoDevice->ScsiPassThru = ScsiBusDev->ScsiInterface;\r | |
1019 | ScsiIoDevice->ExtScsiSupport = FALSE;\r | |
1020 | ScsiIoDevice->ScsiIo.IoAlign = ScsiIoDevice->ScsiPassThru->Mode->IoAlign;\r | |
1021 | }\r | |
1022 | \r | |
3a10d471 | 1023 | ScsiIoDevice->ScsiIo.GetDeviceType = ScsiGetDeviceType;\r |
70c94b3b | 1024 | ScsiIoDevice->ScsiIo.GetDeviceLocation = ScsiGetDeviceLocation;\r |
3a10d471 | 1025 | ScsiIoDevice->ScsiIo.ResetBus = ScsiResetBus;\r |
1026 | ScsiIoDevice->ScsiIo.ResetDevice = ScsiResetDevice;\r | |
24e734d2 | 1027 | ScsiIoDevice->ScsiIo.ExecuteScsiCommand = ScsiExecuteSCSICommand;\r |
3a10d471 | 1028 | \r |
70c94b3b | 1029 | \r |
3a10d471 | 1030 | if (!DiscoverScsiDevice (ScsiIoDevice)) {\r |
1031 | gBS->FreePool (ScsiIoDevice);\r | |
70c94b3b | 1032 | return EFI_OUT_OF_RESOURCES;\r |
3a10d471 | 1033 | }\r |
70c94b3b | 1034 | \r |
3a10d471 | 1035 | //\r |
1036 | // Set Device Path\r | |
1037 | //\r | |
70c94b3b | 1038 | if (ScsiIoDevice->ExtScsiSupport){\r |
1039 | Status = ScsiIoDevice->ExtScsiPassThru->BuildDevicePath (\r | |
1040 | ScsiIoDevice->ExtScsiPassThru,\r | |
1041 | &ScsiIoDevice->Pun.ScsiId.ExtScsi[0],\r | |
1042 | ScsiIoDevice->Lun,\r | |
1043 | &ScsiDevicePath\r | |
1044 | );\r | |
1045 | if (Status == EFI_OUT_OF_RESOURCES) {\r | |
1046 | gBS->FreePool (ScsiIoDevice);\r | |
1047 | return Status;\r | |
1048 | }\r | |
1049 | } else {\r | |
1050 | Status = ScsiIoDevice->ScsiPassThru->BuildDevicePath (\r | |
1051 | ScsiIoDevice->ScsiPassThru,\r | |
1052 | ScsiIoDevice->Pun.ScsiId.Scsi,\r | |
1053 | ScsiIoDevice->Lun,\r | |
1054 | &ScsiDevicePath\r | |
1055 | );\r | |
1056 | if (Status == EFI_OUT_OF_RESOURCES) {\r | |
1057 | gBS->FreePool (ScsiIoDevice);\r | |
1058 | return Status;\r | |
1059 | }\r | |
3a10d471 | 1060 | }\r |
c52fa98c | 1061 | \r |
3a10d471 | 1062 | ScsiIoDevice->DevicePath = AppendDevicePathNode (\r |
70c94b3b | 1063 | ScsiBusDev->DevicePath,\r |
3a10d471 | 1064 | ScsiDevicePath\r |
1065 | );\r | |
1066 | //\r | |
1067 | // The memory space for ScsiDevicePath is allocated in\r | |
1068 | // ScsiPassThru->BuildDevicePath() function; It is no longer used\r | |
1069 | // after EfiAppendDevicePathNode,so free the memory it occupies.\r | |
1070 | //\r | |
1071 | gBS->FreePool (ScsiDevicePath);\r | |
1072 | \r | |
1073 | if (ScsiIoDevice->DevicePath == NULL) {\r | |
1074 | gBS->FreePool (ScsiIoDevice);\r | |
1075 | return EFI_OUT_OF_RESOURCES;\r | |
1076 | }\r | |
c52fa98c | 1077 | \r |
3a10d471 | 1078 | Status = gBS->InstallMultipleProtocolInterfaces (\r |
1079 | &ScsiIoDevice->Handle,\r | |
1080 | &gEfiDevicePathProtocolGuid,\r | |
1081 | ScsiIoDevice->DevicePath,\r | |
1082 | &gEfiScsiIoProtocolGuid,\r | |
1083 | &ScsiIoDevice->ScsiIo,\r | |
1084 | NULL\r | |
1085 | );\r | |
1086 | if (EFI_ERROR (Status)) {\r | |
1087 | gBS->FreePool (ScsiIoDevice);\r | |
70c94b3b | 1088 | return EFI_OUT_OF_RESOURCES;\r |
3a10d471 | 1089 | } else {\r |
70c94b3b | 1090 | if (ScsiBusDev->ExtScsiSupport) {\r |
1091 | gBS->OpenProtocol (\r | |
1092 | Controller,\r | |
1093 | &gEfiExtScsiPassThruProtocolGuid,\r | |
1094 | (VOID **) &(ScsiBusDev->ExtScsiInterface),\r | |
1095 | This->DriverBindingHandle,\r | |
1096 | ScsiIoDevice->Handle,\r | |
1097 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r | |
1098 | );\r | |
1099 | } else {\r | |
1100 | gBS->OpenProtocol (\r | |
1101 | Controller,\r | |
1102 | &gEfiScsiPassThruProtocolGuid,\r | |
1103 | (VOID **) &(ScsiBusDev->ScsiInterface),\r | |
1104 | This->DriverBindingHandle,\r | |
1105 | ScsiIoDevice->Handle,\r | |
1106 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r | |
1107 | );\r | |
1108 | }\r | |
3a10d471 | 1109 | }\r |
3a10d471 | 1110 | return EFI_SUCCESS;\r |
1111 | }\r | |
1112 | \r | |
1113 | BOOLEAN\r | |
c52fa98c | 1114 | EFIAPI\r |
3a10d471 | 1115 | DiscoverScsiDevice (\r |
1116 | SCSI_IO_DEV *ScsiIoDevice\r | |
1117 | )\r | |
1118 | /*++\r | |
1119 | \r | |
1120 | Routine Description:\r | |
1121 | \r | |
70c94b3b | 1122 | Discovery SCSI Device\r |
3a10d471 | 1123 | \r |
1124 | Arguments:\r | |
1125 | \r | |
70c94b3b | 1126 | ScsiIoDevice - The pointer of SCSI_IO_DEV\r |
3a10d471 | 1127 | \r |
1128 | Returns:\r | |
1129 | \r | |
70c94b3b | 1130 | TRUE - Find SCSI Device and verify it.\r |
c52fa98c | 1131 | FALSE - Unable to find SCSI Device.\r |
3a10d471 | 1132 | \r |
1133 | --*/\r | |
1134 | {\r | |
1135 | EFI_STATUS Status;\r | |
3a10d471 | 1136 | UINT32 InquiryDataLength;\r |
3a10d471 | 1137 | UINT8 SenseDataLength;\r |
1138 | UINT8 HostAdapterStatus;\r | |
1139 | UINT8 TargetStatus;\r | |
70c94b3b | 1140 | EFI_SCSI_SENSE_DATA SenseData;\r |
1141 | EFI_SCSI_INQUIRY_DATA InquiryData;\r | |
3a10d471 | 1142 | \r |
1143 | HostAdapterStatus = 0;\r | |
1144 | TargetStatus = 0;\r | |
1145 | //\r | |
1146 | // Using Inquiry command to scan for the device\r | |
1147 | //\r | |
1148 | InquiryDataLength = sizeof (EFI_SCSI_INQUIRY_DATA);\r | |
1149 | SenseDataLength = sizeof (EFI_SCSI_SENSE_DATA);\r | |
1150 | \r | |
d35be2a4 | 1151 | Status = ScsiInquiryCommand (\r |
3a10d471 | 1152 | &ScsiIoDevice->ScsiIo,\r |
1153 | EfiScsiStallSeconds (1),\r | |
1154 | (VOID *) &SenseData,\r | |
1155 | &SenseDataLength,\r | |
1156 | &HostAdapterStatus,\r | |
1157 | &TargetStatus,\r | |
1158 | (VOID *) &InquiryData,\r | |
1159 | &InquiryDataLength,\r | |
1160 | FALSE\r | |
1161 | );\r | |
1162 | if (EFI_ERROR (Status)) {\r | |
1163 | //\r | |
1164 | // ParseSenseData (&SenseData,SenseDataLength);\r | |
1165 | //\r | |
1166 | return FALSE;\r | |
1167 | }\r | |
1168 | //\r | |
1169 | // Retrieved inquiry data successfully\r | |
1170 | //\r | |
1171 | if ((InquiryData.Peripheral_Qualifier != 0) &&\r | |
1172 | (InquiryData.Peripheral_Qualifier != 3)) {\r | |
1173 | return FALSE;\r | |
1174 | }\r | |
1175 | \r | |
1176 | if (InquiryData.Peripheral_Qualifier == 3) {\r | |
1177 | if (InquiryData.Peripheral_Type != 0x1f) {\r | |
1178 | return FALSE;\r | |
1179 | }\r | |
1180 | }\r | |
1181 | \r | |
67a58d0f | 1182 | if (0x1e >= InquiryData.Peripheral_Type && InquiryData.Peripheral_Type >= 0xa) {\r |
3a10d471 | 1183 | return FALSE;\r |
1184 | }\r | |
c52fa98c | 1185 | \r |
3a10d471 | 1186 | //\r |
1187 | // valid device type and peripheral qualifier combination.\r | |
1188 | //\r | |
1189 | ScsiIoDevice->ScsiDeviceType = InquiryData.Peripheral_Type;\r | |
1190 | ScsiIoDevice->RemovableDevice = InquiryData.RMB;\r | |
1191 | if (InquiryData.Version == 0) {\r | |
1192 | ScsiIoDevice->ScsiVersion = 0;\r | |
1193 | } else {\r | |
1194 | //\r | |
1195 | // ANSI-approved version\r | |
1196 | //\r | |
1197 | ScsiIoDevice->ScsiVersion = (UINT8) (InquiryData.Version & 0x03);\r | |
1198 | }\r | |
1199 | \r | |
1200 | return TRUE;\r | |
1201 | }\r | |
70c94b3b | 1202 | \r |
1203 | \r | |
1204 | STATIC\r | |
1205 | EFI_STATUS\r | |
1206 | EFIAPI\r | |
1207 | ScsiioToPassThruPacket (\r | |
1208 | IN EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet,\r | |
1209 | IN OUT EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *CommandPacket\r | |
1210 | )\r | |
1211 | /*++\r | |
1212 | \r | |
1213 | Routine Description:\r | |
1214 | \r | |
c52fa98c | 1215 | Convert EFI_SCSI_IO_SCSI_REQUEST_PACKET packet to\r |
70c94b3b | 1216 | EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET packet\r |
c52fa98c | 1217 | \r |
70c94b3b | 1218 | Arguments:\r |
1219 | \r | |
1220 | Packet - The pointer of EFI_SCSI_IO_SCSI_REQUEST_PACKET\r | |
1221 | CommandPacket - The pointer of EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET\r | |
c52fa98c | 1222 | \r |
70c94b3b | 1223 | Returns:\r |
1224 | \r | |
1225 | NONE\r | |
1226 | \r | |
1227 | --*/\r | |
1228 | {\r | |
1229 | //\r | |
1230 | //EFI 1.10 doesn't support Bi-Direction Command.\r | |
1231 | //\r | |
1232 | if (Packet->DataDirection == EFI_SCSI_IO_DATA_DIRECTION_BIDIRECTIONAL) {\r | |
1233 | return EFI_UNSUPPORTED;\r | |
1234 | }\r | |
c52fa98c | 1235 | \r |
70c94b3b | 1236 | ZeroMem (CommandPacket, sizeof (EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET));\r |
1237 | \r | |
1238 | CommandPacket->Timeout = Packet->Timeout;\r | |
1239 | CommandPacket->Cdb = Packet->Cdb;\r | |
1240 | CommandPacket->CdbLength = Packet->CdbLength;\r | |
1241 | CommandPacket->DataDirection = Packet->DataDirection;\r | |
1242 | CommandPacket->HostAdapterStatus = Packet->HostAdapterStatus;\r | |
1243 | CommandPacket->TargetStatus = Packet->TargetStatus;\r | |
1244 | CommandPacket->SenseData = Packet->SenseData;\r | |
1245 | CommandPacket->SenseDataLength = Packet->SenseDataLength;\r | |
1246 | \r | |
1247 | if (Packet->DataDirection == EFI_SCSI_IO_DATA_DIRECTION_READ) {\r | |
1248 | CommandPacket->DataBuffer = Packet->InDataBuffer;\r | |
1249 | CommandPacket->TransferLength = Packet->InTransferLength;\r | |
1250 | } else if (Packet->DataDirection == EFI_SCSI_IO_DATA_DIRECTION_WRITE) {\r | |
1251 | CommandPacket->DataBuffer = Packet->OutDataBuffer;\r | |
1252 | CommandPacket->TransferLength = Packet->OutTransferLength;\r | |
1253 | }\r | |
1254 | return EFI_SUCCESS;\r | |
1255 | }\r | |
1256 | \r | |
1257 | \r | |
1258 | STATIC\r | |
1259 | EFI_STATUS\r | |
1260 | EFIAPI\r | |
1261 | PassThruToScsiioPacket (\r | |
1262 | IN EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *ScsiPacket,\r | |
1263 | IN OUT EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet\r | |
1264 | )\r | |
1265 | /*++\r | |
1266 | \r | |
1267 | Routine Description:\r | |
1268 | \r | |
c52fa98c | 1269 | Convert EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET packet to\r |
70c94b3b | 1270 | EFI_SCSI_IO_SCSI_REQUEST_PACKET packet\r |
c52fa98c | 1271 | \r |
70c94b3b | 1272 | Arguments:\r |
1273 | \r | |
1274 | ScsiPacket - The pointer of EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET\r | |
1275 | Packet - The pointer of EFI_SCSI_IO_SCSI_REQUEST_PACKET\r | |
c52fa98c | 1276 | \r |
70c94b3b | 1277 | Returns:\r |
1278 | \r | |
1279 | NONE\r | |
1280 | \r | |
1281 | --*/\r | |
1282 | {\r | |
1283 | Packet->Timeout = ScsiPacket->Timeout;\r | |
1284 | Packet->Cdb = ScsiPacket->Cdb;\r | |
1285 | Packet->CdbLength = ScsiPacket->CdbLength;\r | |
1286 | Packet->DataDirection = ScsiPacket->DataDirection;\r | |
1287 | Packet->HostAdapterStatus = ScsiPacket->HostAdapterStatus;\r | |
1288 | Packet->TargetStatus = ScsiPacket->TargetStatus;\r | |
1289 | Packet->SenseData = ScsiPacket->SenseData;\r | |
1290 | Packet->SenseDataLength = ScsiPacket->SenseDataLength;\r | |
1291 | \r | |
1292 | if (ScsiPacket->DataDirection == EFI_SCSI_IO_DATA_DIRECTION_READ) {\r | |
1293 | Packet->InDataBuffer = ScsiPacket->DataBuffer;\r | |
1294 | Packet->InTransferLength = ScsiPacket->TransferLength;\r | |
1295 | } else if (Packet->DataDirection == EFI_SCSI_IO_DATA_DIRECTION_WRITE) {\r | |
1296 | Packet->OutDataBuffer = ScsiPacket->DataBuffer;\r | |
1297 | Packet->OutTransferLength = ScsiPacket->TransferLength;\r | |
1298 | }\r | |
c52fa98c | 1299 | \r |
70c94b3b | 1300 | return EFI_SUCCESS;\r |
1301 | }\r | |
1302 | \r | |
1303 | \r | |
1304 | \r | |
1305 | STATIC\r | |
1306 | VOID\r | |
1307 | EFIAPI\r | |
1308 | NotifyFunction (\r | |
1309 | EFI_EVENT Event,\r | |
1310 | VOID *Context\r | |
1311 | )\r | |
1312 | /*++\r | |
1313 | \r | |
1314 | Routine Description:\r | |
1315 | \r | |
c52fa98c | 1316 | Notify Function in which convert EFI1.0 PassThru Packet back to UEF2.0\r |
70c94b3b | 1317 | SCSI IO Packet.\r |
c52fa98c | 1318 | \r |
70c94b3b | 1319 | Arguments:\r |
1320 | \r | |
1321 | Event - The instance of EFI_EVENT.\r | |
1322 | Context - The parameter passed in.\r | |
c52fa98c | 1323 | \r |
70c94b3b | 1324 | Returns:\r |
1325 | \r | |
1326 | NONE\r | |
1327 | \r | |
c52fa98c | 1328 | --*/\r |
70c94b3b | 1329 | {\r |
1330 | EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet;\r | |
1331 | EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *ScsiPacket;\r | |
1332 | EFI_EVENT CallerEvent;\r | |
c52fa98c | 1333 | SCSI_EVENT_DATA *PassData;\r |
70c94b3b | 1334 | \r |
1335 | PassData = (SCSI_EVENT_DATA*)Context;\r | |
1336 | Packet = (EFI_SCSI_IO_SCSI_REQUEST_PACKET *)PassData->Data1;\r | |
1337 | ScsiPacket = (EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET*)WorkingBuffer;\r | |
1338 | \r | |
1339 | //\r | |
1340 | // Convert EFI1.0 PassThru packet to UEFI2.0 SCSI IO Packet.\r | |
1341 | //\r | |
1342 | PassThruToScsiioPacket(ScsiPacket, Packet);\r | |
c52fa98c | 1343 | \r |
70c94b3b | 1344 | //\r |
1345 | // After converting EFI1.0 PassThru Packet back to UEFI2.0 SCSI IO Packet,\r | |
1346 | // free WorkingBuffer.\r | |
1347 | //\r | |
1348 | gBS->FreePool(WorkingBuffer);\r | |
1349 | \r | |
1350 | //\r | |
1351 | // Signal Event to tell caller to pick up UEFI2.0 SCSI IO Packet.\r | |
1352 | //\r | |
1353 | CallerEvent = PassData->Data2;\r | |
1354 | gBS->CloseEvent(Event);\r | |
1355 | gBS->SignalEvent(CallerEvent);\r | |
1356 | }\r |