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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 |
3a10d471 | 17 | #include "ScsiBus.h"\r |
18 | \r | |
9beb888e | 19 | \r |
3a10d471 | 20 | EFI_DRIVER_BINDING_PROTOCOL gSCSIBusDriverBinding = {\r |
21 | SCSIBusDriverBindingSupported,\r | |
22 | SCSIBusDriverBindingStart,\r | |
23 | SCSIBusDriverBindingStop,\r | |
24 | 0xa,\r | |
25 | NULL,\r | |
26 | NULL\r | |
27 | };\r | |
28 | \r | |
70c94b3b | 29 | \r |
30 | //\r | |
31 | // The ScsiBusProtocol is just used to locate ScsiBusDev\r | |
32 | // structure in the SCSIBusDriverBindingStop(). Then we can\r | |
33 | // Close all opened protocols and release this structure.\r | |
34 | //\r | |
fe1e36e5 | 35 | EFI_GUID mScsiBusProtocolGuid = EFI_SCSI_BUS_PROTOCOL_GUID;\r |
70c94b3b | 36 | \r |
9beb888e | 37 | VOID *mWorkingBuffer;\r |
38 | \r | |
39 | /**\r | |
40 | Convert EFI_SCSI_IO_SCSI_REQUEST_PACKET packet to EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET packet.\r | |
70c94b3b | 41 | \r |
9beb888e | 42 | @param Packet The pointer of EFI_SCSI_IO_SCSI_REQUEST_PACKET\r |
43 | @param CommandPacket The pointer of EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET\r | |
44 | \r | |
45 | **/\r | |
70c94b3b | 46 | EFI_STATUS\r |
47 | EFIAPI\r | |
48 | ScsiioToPassThruPacket (\r | |
49 | IN EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet,\r | |
9beb888e | 50 | OUT EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *CommandPacket\r |
ed66e1bc | 51 | );\r |
70c94b3b | 52 | \r |
9beb888e | 53 | /**\r |
54 | Convert EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET packet to EFI_SCSI_IO_SCSI_REQUEST_PACKET packet.\r | |
55 | \r | |
56 | @param ScsiPacket The pointer of EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET\r | |
57 | @param Packet The pointer of EFI_SCSI_IO_SCSI_REQUEST_PACKET\r | |
70c94b3b | 58 | \r |
9beb888e | 59 | **/\r |
70c94b3b | 60 | EFI_STATUS\r |
61 | EFIAPI\r | |
62 | PassThruToScsiioPacket (\r | |
63 | IN EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *ScsiPacket,\r | |
9beb888e | 64 | OUT EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet\r |
ed66e1bc | 65 | );\r |
9beb888e | 66 | \r |
67 | /**\r | |
68 | Notify Function in which convert EFI1.0 PassThru Packet back to UEF2.0\r | |
69 | SCSI IO Packet.\r | |
70 | \r | |
71 | @param Event The instance of EFI_EVENT.\r | |
72 | @param Context The parameter passed in.\r | |
73 | \r | |
74 | **/\r | |
70c94b3b | 75 | VOID\r |
76 | EFIAPI\r | |
77 | NotifyFunction (\r | |
9beb888e | 78 | IN EFI_EVENT Event,\r |
79 | IN VOID *Context\r | |
ed66e1bc | 80 | );\r |
70c94b3b | 81 | \r |
3a10d471 | 82 | /**\r |
83 | The user Entry Point for module ScsiBus. The user code starts with this function.\r | |
84 | \r | |
9beb888e | 85 | @param ImageHandle The firmware allocated handle for the EFI image.\r |
86 | @param SystemTable A pointer to the EFI System Table.\r | |
c52fa98c | 87 | \r |
9beb888e | 88 | @retval EFI_SUCCESS The entry point is executed successfully.\r |
89 | @retval other Some error occurs when executing this entry point.\r | |
3a10d471 | 90 | \r |
91 | **/\r | |
92 | EFI_STATUS\r | |
93 | EFIAPI\r | |
94 | InitializeScsiBus(\r | |
95 | IN EFI_HANDLE ImageHandle,\r | |
96 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
97 | )\r | |
98 | {\r | |
99 | EFI_STATUS Status;\r | |
100 | \r | |
101 | //\r | |
102 | // Install driver model protocol(s).\r | |
103 | //\r | |
70da5bc2 | 104 | Status = EfiLibInstallDriverBindingComponentName2 (\r |
3a10d471 | 105 | ImageHandle,\r |
106 | SystemTable,\r | |
107 | &gSCSIBusDriverBinding,\r | |
108 | ImageHandle,\r | |
109 | &gScsiBusComponentName,\r | |
70da5bc2 | 110 | &gScsiBusComponentName2\r |
3a10d471 | 111 | );\r |
112 | ASSERT_EFI_ERROR (Status);\r | |
113 | \r | |
3a10d471 | 114 | return Status;\r |
115 | }\r | |
116 | \r | |
9beb888e | 117 | \r |
118 | /**\r | |
119 | Test to see if this driver supports ControllerHandle.\r | |
120 | \r | |
121 | This service is called by the EFI boot service ConnectController(). In order\r | |
122 | to make drivers as small as possible, there are a few calling restrictions for\r | |
123 | this service. ConnectController() must follow these calling restrictions. If\r | |
124 | any other agent wishes to call Supported() it must also follow these calling\r | |
125 | restrictions.\r | |
126 | \r | |
127 | @param This Protocol instance pointer.\r | |
128 | @param ControllerHandle Handle of device to test\r | |
129 | @param RemainingDevicePath Optional parameter use to pick a specific child\r | |
130 | device to start.\r | |
131 | \r | |
132 | @retval EFI_SUCCESS This driver supports this device\r | |
133 | @retval EFI_ALREADY_STARTED This driver is already running on this device\r | |
134 | @retval other This driver does not support this device\r | |
135 | \r | |
136 | **/\r | |
3a10d471 | 137 | EFI_STATUS\r |
138 | EFIAPI\r | |
139 | SCSIBusDriverBindingSupported (\r | |
140 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
141 | IN EFI_HANDLE Controller,\r | |
142 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
143 | )\r | |
3a10d471 | 144 | {\r |
145 | EFI_STATUS Status;\r | |
70c94b3b | 146 | EFI_SCSI_PASS_THRU_PROTOCOL *PassThru;\r |
147 | EFI_EXT_SCSI_PASS_THRU_PROTOCOL *ExtPassThru;\r | |
3a10d471 | 148 | //\r |
70c94b3b | 149 | // Check for the existence of Extended SCSI Pass Thru Protocol and SCSI Pass Thru Protocol\r |
3a10d471 | 150 | //\r |
151 | Status = gBS->OpenProtocol (\r | |
152 | Controller,\r | |
70c94b3b | 153 | &gEfiExtScsiPassThruProtocolGuid,\r |
154 | (VOID **)&ExtPassThru,\r | |
3a10d471 | 155 | This->DriverBindingHandle,\r |
156 | Controller,\r | |
70c94b3b | 157 | EFI_OPEN_PROTOCOL_BY_DRIVER\r |
3a10d471 | 158 | );\r |
c52fa98c | 159 | \r |
70c94b3b | 160 | if (Status == EFI_ALREADY_STARTED) {\r |
161 | return EFI_SUCCESS;\r | |
162 | }\r | |
c52fa98c | 163 | \r |
70c94b3b | 164 | if (EFI_ERROR (Status)) {\r |
165 | Status = gBS->OpenProtocol (\r | |
166 | Controller,\r | |
167 | &gEfiScsiPassThruProtocolGuid,\r | |
168 | (VOID **)&PassThru,\r | |
169 | This->DriverBindingHandle,\r | |
170 | Controller,\r | |
171 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
172 | );\r | |
c52fa98c | 173 | \r |
70c94b3b | 174 | if (Status == EFI_ALREADY_STARTED) {\r |
175 | return EFI_SUCCESS;\r | |
176 | }\r | |
c52fa98c | 177 | \r |
70c94b3b | 178 | if (EFI_ERROR (Status)) {\r |
179 | return Status;\r | |
180 | }\r | |
181 | \r | |
182 | gBS->CloseProtocol (\r | |
183 | Controller,\r | |
184 | &gEfiScsiPassThruProtocolGuid,\r | |
185 | This->DriverBindingHandle,\r | |
186 | Controller\r | |
187 | );\r | |
188 | return EFI_SUCCESS;\r | |
3a10d471 | 189 | }\r |
c52fa98c | 190 | \r |
70c94b3b | 191 | gBS->CloseProtocol (\r |
192 | Controller,\r | |
193 | &gEfiExtScsiPassThruProtocolGuid,\r | |
194 | This->DriverBindingHandle,\r | |
195 | Controller\r | |
196 | );\r | |
3a10d471 | 197 | \r |
198 | return EFI_SUCCESS;\r | |
199 | }\r | |
200 | \r | |
9beb888e | 201 | \r |
202 | /**\r | |
203 | Start this driver on ControllerHandle.\r | |
204 | \r | |
205 | This service is called by the EFI boot service ConnectController(). In order\r | |
206 | to make drivers as small as possible, there are a few calling restrictions for\r | |
207 | this service. ConnectController() must follow these calling restrictions. If\r | |
208 | any other agent wishes to call Start() it must also follow these calling\r | |
209 | restrictions.\r | |
210 | \r | |
211 | @param This Protocol instance pointer.\r | |
212 | @param ControllerHandle Handle of device to bind driver to\r | |
213 | @param RemainingDevicePath Optional parameter use to pick a specific child\r | |
214 | device to start.\r | |
215 | \r | |
216 | @retval EFI_SUCCESS This driver is added to ControllerHandle\r | |
217 | @retval EFI_ALREADY_STARTED This driver is already running on ControllerHandle\r | |
218 | @retval other This driver does not support this device\r | |
219 | \r | |
220 | **/\r | |
3a10d471 | 221 | EFI_STATUS\r |
222 | EFIAPI\r | |
223 | SCSIBusDriverBindingStart (\r | |
224 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
225 | IN EFI_HANDLE Controller,\r | |
226 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
227 | )\r | |
3a10d471 | 228 | {\r |
f36d6e66 | 229 | UINT64 Lun;\r |
230 | UINT8 *TargetId;\r | |
231 | BOOLEAN ScanOtherPuns;\r | |
232 | BOOLEAN FromFirstTarget;\r | |
233 | BOOLEAN ExtScsiSupport;\r | |
234 | EFI_STATUS Status;\r | |
235 | EFI_STATUS DevicePathStatus;\r | |
236 | EFI_STATUS PassThruStatus;\r | |
237 | SCSI_BUS_DEVICE *ScsiBusDev;\r | |
238 | SCSI_TARGET_ID *ScsiTargetId;\r | |
239 | EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath;\r | |
240 | EFI_SCSI_PASS_THRU_PROTOCOL *ScsiInterface;\r | |
241 | EFI_EXT_SCSI_PASS_THRU_PROTOCOL *ExtScsiInterface;\r | |
242 | EFI_SCSI_BUS_PROTOCOL *BusIdentify;\r | |
243 | \r | |
244 | TargetId = NULL;\r | |
245 | ScsiTargetId = NULL;\r | |
246 | ScanOtherPuns = TRUE;\r | |
70c94b3b | 247 | FromFirstTarget = FALSE;\r |
f36d6e66 | 248 | ExtScsiSupport = FALSE;\r |
249 | PassThruStatus = EFI_SUCCESS;\r | |
9beb888e | 250 | \r |
f36d6e66 | 251 | ScsiTargetId = AllocateZeroPool(sizeof(SCSI_TARGET_ID));\r |
70c94b3b | 252 | if (ScsiTargetId == NULL) {\r |
253 | return EFI_OUT_OF_RESOURCES;\r | |
254 | }\r | |
255 | \r | |
256 | TargetId = &ScsiTargetId->ScsiId.ExtScsi[0];\r | |
f36d6e66 | 257 | \r |
258 | DevicePathStatus = gBS->OpenProtocol (\r | |
259 | Controller,\r | |
260 | &gEfiDevicePathProtocolGuid,\r | |
261 | (VOID **) &ParentDevicePath,\r | |
262 | This->DriverBindingHandle,\r | |
263 | Controller,\r | |
264 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
265 | );\r | |
266 | if (EFI_ERROR (DevicePathStatus) && (DevicePathStatus != EFI_ALREADY_STARTED)) {\r | |
267 | return DevicePathStatus;\r | |
3a10d471 | 268 | }\r |
269 | \r | |
270 | //\r | |
f36d6e66 | 271 | // To keep backward compatibility, UEFI ExtPassThru Protocol is supported as well as \r |
272 | // EFI PassThru Protocol. From priority perspective, ExtPassThru Protocol is firstly\r | |
273 | // tried to open on host controller handle. If fails, then PassThru Protocol is tried instead.\r | |
3a10d471 | 274 | //\r |
275 | Status = gBS->OpenProtocol (\r | |
276 | Controller,\r | |
70c94b3b | 277 | &gEfiExtScsiPassThruProtocolGuid,\r |
f36d6e66 | 278 | (VOID **) &ExtScsiInterface,\r |
3a10d471 | 279 | This->DriverBindingHandle,\r |
280 | Controller,\r | |
281 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
282 | );\r | |
f36d6e66 | 283 | //\r |
284 | // Fail to open UEFI ExtendPassThru Protocol, then try to open EFI PassThru Protocol instead.\r | |
285 | //\r | |
286 | if (EFI_ERROR(Status) && (Status != EFI_ALREADY_STARTED)) {\r | |
70c94b3b | 287 | Status = gBS->OpenProtocol (\r |
288 | Controller,\r | |
289 | &gEfiScsiPassThruProtocolGuid,\r | |
f36d6e66 | 290 | (VOID **) &ScsiInterface,\r |
70c94b3b | 291 | This->DriverBindingHandle,\r |
292 | Controller,\r | |
293 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
294 | );\r | |
f36d6e66 | 295 | //\r |
296 | // Fail to open EFI PassThru Protocol, Close the DevicePathProtocol if it is opened by this time.\r | |
297 | //\r | |
298 | if (EFI_ERROR (Status) && (Status != EFI_ALREADY_STARTED)) {\r | |
299 | if (!EFI_ERROR(DevicePathStatus)) {\r | |
300 | gBS->CloseProtocol (\r | |
301 | Controller,\r | |
302 | &gEfiDevicePathProtocolGuid,\r | |
303 | This->DriverBindingHandle,\r | |
304 | Controller\r | |
305 | );\r | |
306 | } \r | |
70c94b3b | 307 | return Status;\r |
f36d6e66 | 308 | } \r |
70c94b3b | 309 | } else {\r |
f36d6e66 | 310 | //\r |
311 | // Succeed to open ExtPassThru Protocol, and meanwhile open PassThru Protocol \r | |
312 | // with BY_DRIVER if it is also present on the handle. The intent is to prevent \r | |
313 | // another SCSI Bus Driver to work on the same host handle.\r | |
314 | //\r | |
315 | ExtScsiSupport = TRUE;\r | |
316 | PassThruStatus = gBS->OpenProtocol (\r | |
317 | Controller,\r | |
318 | &gEfiScsiPassThruProtocolGuid,\r | |
319 | (VOID **) &ScsiInterface,\r | |
320 | This->DriverBindingHandle,\r | |
321 | Controller,\r | |
322 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
323 | );\r | |
70c94b3b | 324 | }\r |
f36d6e66 | 325 | \r |
326 | if (Status != EFI_ALREADY_STARTED) {\r | |
327 | //\r | |
328 | // Go through here means either ExtPassThru or PassThru Protocol is successfully opened\r | |
329 | // on this handle for this time. Then construct Host controller private data.\r | |
330 | //\r | |
331 | ScsiBusDev = NULL;\r | |
332 | ScsiBusDev = AllocateZeroPool(sizeof(SCSI_BUS_DEVICE));\r | |
333 | if (ScsiBusDev == NULL) {\r | |
334 | Status = EFI_OUT_OF_RESOURCES;\r | |
335 | goto ErrorExit;\r | |
336 | }\r | |
337 | ScsiBusDev->Signature = SCSI_BUS_DEVICE_SIGNATURE;\r | |
338 | ScsiBusDev->ExtScsiSupport = ExtScsiSupport;\r | |
339 | ScsiBusDev->DevicePath = ParentDevicePath;\r | |
70c94b3b | 340 | if (ScsiBusDev->ExtScsiSupport) {\r |
f36d6e66 | 341 | ScsiBusDev->ExtScsiInterface = ExtScsiInterface;\r |
70c94b3b | 342 | } else {\r |
f36d6e66 | 343 | ScsiBusDev->ScsiInterface = ScsiInterface; \r |
70c94b3b | 344 | }\r |
f36d6e66 | 345 | \r |
346 | //\r | |
347 | // Install EFI_SCSI_BUS_PROTOCOL to the controller handle, So ScsiBusDev could be\r | |
348 | // retrieved on this controller handle. With ScsiBusDev, we can know which PassThru\r | |
349 | // Protocol is present on the handle, UEFI ExtPassThru Protocol or EFI PassThru Protocol.\r | |
350 | // \r | |
351 | Status = gBS->InstallProtocolInterface (\r | |
352 | &Controller,\r | |
353 | &mScsiBusProtocolGuid,\r | |
354 | EFI_NATIVE_INTERFACE,\r | |
355 | &ScsiBusDev->BusIdentify\r | |
356 | );\r | |
357 | if (EFI_ERROR (Status)) {\r | |
358 | goto ErrorExit;\r | |
359 | }\r | |
360 | } else {\r | |
361 | //\r | |
362 | // Go through here means Start() is re-invoked again, nothing special is required to do except\r | |
363 | // picking up Host controller private information.\r | |
364 | //\r | |
365 | Status = gBS->OpenProtocol (\r | |
366 | Controller,\r | |
367 | &mScsiBusProtocolGuid,\r | |
368 | (VOID **) &BusIdentify,\r | |
369 | This->DriverBindingHandle,\r | |
370 | Controller,\r | |
371 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
372 | );\r | |
373 | \r | |
374 | if (EFI_ERROR (Status)) {\r | |
375 | return Status;\r | |
376 | }\r | |
377 | ScsiBusDev = SCSI_BUS_CONTROLLER_DEVICE_FROM_THIS (BusIdentify);\r | |
3a10d471 | 378 | }\r |
379 | \r | |
380 | if (RemainingDevicePath == NULL) {\r | |
70c94b3b | 381 | SetMem (ScsiTargetId, TARGET_MAX_BYTES,0xFF);\r |
382 | Lun = 0;\r | |
383 | FromFirstTarget = TRUE;\r | |
3a10d471 | 384 | } else {\r |
70c94b3b | 385 | if (ScsiBusDev->ExtScsiSupport) {\r |
f36d6e66 | 386 | ScsiBusDev->ExtScsiInterface->GetTargetLun (ScsiBusDev->ExtScsiInterface, RemainingDevicePath, &TargetId, &Lun); \r |
70c94b3b | 387 | } else {\r |
388 | ScsiBusDev->ScsiInterface->GetTargetLun (ScsiBusDev->ScsiInterface, RemainingDevicePath, &ScsiTargetId->ScsiId.Scsi, &Lun);\r | |
389 | }\r | |
3a10d471 | 390 | }\r |
391 | \r | |
70c94b3b | 392 | while(ScanOtherPuns) {\r |
393 | if (FromFirstTarget) {\r | |
3a10d471 | 394 | //\r |
395 | // Remaining Device Path is NULL, scan all the possible Puns in the\r | |
396 | // SCSI Channel.\r | |
397 | //\r | |
70c94b3b | 398 | if (ScsiBusDev->ExtScsiSupport) {\r |
399 | Status = ScsiBusDev->ExtScsiInterface->GetNextTargetLun (ScsiBusDev->ExtScsiInterface, &TargetId, &Lun);\r | |
400 | } else {\r | |
401 | Status = ScsiBusDev->ScsiInterface->GetNextDevice (ScsiBusDev->ScsiInterface, &ScsiTargetId->ScsiId.Scsi, &Lun);\r | |
402 | }\r | |
3a10d471 | 403 | if (EFI_ERROR (Status)) {\r |
404 | //\r | |
405 | // no legal Pun and Lun found any more\r | |
406 | //\r | |
407 | break;\r | |
408 | }\r | |
409 | } else {\r | |
3a10d471 | 410 | ScanOtherPuns = FALSE;\r |
411 | }\r | |
3a10d471 | 412 | //\r |
413 | // Avoid creating handle for the host adapter.\r | |
414 | //\r | |
70c94b3b | 415 | if (ScsiBusDev->ExtScsiSupport) {\r |
416 | if ((ScsiTargetId->ScsiId.Scsi) == ScsiBusDev->ExtScsiInterface->Mode->AdapterId) {\r | |
417 | continue;\r | |
418 | }\r | |
419 | } else {\r | |
420 | if ((ScsiTargetId->ScsiId.Scsi) == ScsiBusDev->ScsiInterface->Mode->AdapterId) {\r | |
421 | continue;\r | |
422 | }\r | |
3a10d471 | 423 | }\r |
3a10d471 | 424 | //\r |
425 | // Scan for the scsi device, if it attaches to the scsi bus,\r | |
426 | // then create handle and install scsi i/o protocol.\r | |
427 | //\r | |
70c94b3b | 428 | Status = ScsiScanCreateDevice (This, Controller, ScsiTargetId, Lun, ScsiBusDev);\r |
3a10d471 | 429 | }\r |
9beb888e | 430 | FreePool (ScsiTargetId);\r |
f36d6e66 | 431 | return EFI_SUCCESS;\r |
432 | \r | |
433 | ErrorExit:\r | |
434 | \r | |
435 | if (ScsiBusDev != NULL) {\r | |
436 | gBS->FreePool (ScsiBusDev);\r | |
437 | }\r | |
438 | \r | |
439 | if (ExtScsiSupport) {\r | |
440 | gBS->CloseProtocol (\r | |
441 | Controller,\r | |
442 | &gEfiExtScsiPassThruProtocolGuid,\r | |
443 | This->DriverBindingHandle,\r | |
444 | Controller\r | |
445 | );\r | |
446 | if (!EFI_ERROR (PassThruStatus)) {\r | |
447 | gBS->CloseProtocol (\r | |
448 | Controller,\r | |
449 | &gEfiScsiPassThruProtocolGuid,\r | |
450 | This->DriverBindingHandle,\r | |
451 | Controller\r | |
452 | );\r | |
453 | }\r | |
454 | } else {\r | |
455 | gBS->CloseProtocol (\r | |
456 | Controller,\r | |
457 | &gEfiScsiPassThruProtocolGuid,\r | |
458 | This->DriverBindingHandle,\r | |
459 | Controller\r | |
460 | );\r | |
461 | }\r | |
3a10d471 | 462 | return Status;\r |
463 | }\r | |
464 | \r | |
9beb888e | 465 | /**\r |
466 | Stop this driver on ControllerHandle.\r | |
467 | \r | |
468 | This service is called by the EFI boot service DisconnectController().\r | |
469 | In order to make drivers as small as possible, there are a few calling\r | |
470 | restrictions for this service. DisconnectController() must follow these\r | |
471 | calling restrictions. If any other agent wishes to call Stop() it must also\r | |
472 | follow these calling restrictions.\r | |
473 | \r | |
474 | @param This Protocol instance pointer.\r | |
475 | @param ControllerHandle Handle of device to stop driver on\r | |
476 | @param NumberOfChildren Number of Handles in ChildHandleBuffer. If number of\r | |
477 | children is zero stop the entire bus driver.\r | |
478 | @param ChildHandleBuffer List of Child Handles to Stop.\r | |
479 | \r | |
480 | @retval EFI_SUCCESS This driver is removed ControllerHandle\r | |
481 | @retval other This driver was not removed from this device\r | |
482 | \r | |
483 | **/\r | |
3a10d471 | 484 | EFI_STATUS\r |
485 | EFIAPI\r | |
486 | SCSIBusDriverBindingStop (\r | |
487 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
488 | IN EFI_HANDLE Controller,\r | |
489 | IN UINTN NumberOfChildren,\r | |
490 | IN EFI_HANDLE *ChildHandleBuffer\r | |
491 | )\r | |
3a10d471 | 492 | {\r |
493 | EFI_STATUS Status;\r | |
494 | BOOLEAN AllChildrenStopped;\r | |
495 | UINTN Index;\r | |
496 | EFI_SCSI_IO_PROTOCOL *ScsiIo;\r | |
497 | SCSI_IO_DEV *ScsiIoDevice;\r | |
70c94b3b | 498 | VOID *ScsiPassThru;\r |
499 | EFI_SCSI_BUS_PROTOCOL *Scsidentifier;\r | |
500 | SCSI_BUS_DEVICE *ScsiBusDev;\r | |
3a10d471 | 501 | \r |
502 | if (NumberOfChildren == 0) {\r | |
70c94b3b | 503 | //\r |
504 | // Get the SCSI_BUS_DEVICE\r | |
505 | //\r | |
506 | Status = gBS->OpenProtocol (\r | |
507 | Controller,\r | |
508 | &mScsiBusProtocolGuid,\r | |
509 | (VOID **) &Scsidentifier,\r | |
510 | This->DriverBindingHandle,\r | |
511 | Controller,\r | |
512 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
513 | );\r | |
c52fa98c | 514 | \r |
70c94b3b | 515 | if (EFI_ERROR (Status)) {\r |
516 | return EFI_DEVICE_ERROR;\r | |
517 | }\r | |
518 | \r | |
519 | ScsiBusDev = SCSI_BUS_CONTROLLER_DEVICE_FROM_THIS (Scsidentifier);\r | |
520 | \r | |
521 | //\r | |
522 | // Uninstall SCSI Bus Protocol\r | |
523 | //\r | |
524 | gBS->UninstallProtocolInterface (\r | |
525 | Controller,\r | |
526 | &mScsiBusProtocolGuid,\r | |
527 | &ScsiBusDev->BusIdentify\r | |
528 | );\r | |
c52fa98c | 529 | \r |
3a10d471 | 530 | //\r |
531 | // Close the bus driver\r | |
532 | //\r | |
70c94b3b | 533 | if (ScsiBusDev->ExtScsiSupport) {\r |
534 | gBS->CloseProtocol (\r | |
535 | Controller,\r | |
536 | &gEfiExtScsiPassThruProtocolGuid,\r | |
537 | This->DriverBindingHandle,\r | |
538 | Controller\r | |
539 | );\r | |
540 | } else {\r | |
541 | gBS->CloseProtocol (\r | |
542 | Controller,\r | |
543 | &gEfiScsiPassThruProtocolGuid,\r | |
544 | This->DriverBindingHandle,\r | |
545 | Controller\r | |
546 | );\r | |
547 | }\r | |
3a10d471 | 548 | \r |
70c94b3b | 549 | gBS->CloseProtocol (\r |
550 | Controller,\r | |
551 | &gEfiDevicePathProtocolGuid,\r | |
552 | This->DriverBindingHandle,\r | |
553 | Controller\r | |
554 | );\r | |
6c94a00d | 555 | FreePool (ScsiBusDev);\r |
3a10d471 | 556 | return EFI_SUCCESS;\r |
557 | }\r | |
558 | \r | |
559 | AllChildrenStopped = TRUE;\r | |
560 | \r | |
561 | for (Index = 0; Index < NumberOfChildren; Index++) {\r | |
562 | \r | |
563 | Status = gBS->OpenProtocol (\r | |
564 | ChildHandleBuffer[Index],\r | |
565 | &gEfiScsiIoProtocolGuid,\r | |
566 | (VOID **) &ScsiIo,\r | |
567 | This->DriverBindingHandle,\r | |
568 | Controller,\r | |
569 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
570 | );\r | |
571 | if (EFI_ERROR (Status)) {\r | |
572 | AllChildrenStopped = FALSE;\r | |
573 | continue;\r | |
574 | }\r | |
575 | \r | |
576 | ScsiIoDevice = SCSI_IO_DEV_FROM_THIS (ScsiIo);\r | |
577 | //\r | |
578 | // Close the child handle\r | |
579 | //\r | |
70c94b3b | 580 | if (ScsiIoDevice->ExtScsiSupport) {\r |
581 | Status = gBS->CloseProtocol (\r | |
582 | Controller,\r | |
583 | &gEfiExtScsiPassThruProtocolGuid,\r | |
584 | This->DriverBindingHandle,\r | |
585 | ChildHandleBuffer[Index]\r | |
586 | );\r | |
587 | \r | |
588 | } else {\r | |
589 | Status = gBS->CloseProtocol (\r | |
590 | Controller,\r | |
591 | &gEfiScsiPassThruProtocolGuid,\r | |
592 | This->DriverBindingHandle,\r | |
593 | ChildHandleBuffer[Index]\r | |
594 | );\r | |
595 | }\r | |
3a10d471 | 596 | \r |
597 | Status = gBS->UninstallMultipleProtocolInterfaces (\r | |
598 | ChildHandleBuffer[Index],\r | |
599 | &gEfiDevicePathProtocolGuid,\r | |
600 | ScsiIoDevice->DevicePath,\r | |
601 | &gEfiScsiIoProtocolGuid,\r | |
602 | &ScsiIoDevice->ScsiIo,\r | |
603 | NULL\r | |
604 | );\r | |
605 | if (EFI_ERROR (Status)) {\r | |
606 | AllChildrenStopped = FALSE;\r | |
70c94b3b | 607 | if (ScsiIoDevice->ExtScsiSupport) {\r |
608 | gBS->OpenProtocol (\r | |
609 | Controller,\r | |
610 | &gEfiExtScsiPassThruProtocolGuid,\r | |
84b5c78e | 611 | &ScsiPassThru,\r |
70c94b3b | 612 | This->DriverBindingHandle,\r |
613 | ChildHandleBuffer[Index],\r | |
614 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r | |
615 | );\r | |
616 | } else {\r | |
617 | gBS->OpenProtocol (\r | |
618 | Controller,\r | |
619 | &gEfiScsiPassThruProtocolGuid,\r | |
84b5c78e | 620 | &ScsiPassThru,\r |
70c94b3b | 621 | This->DriverBindingHandle,\r |
622 | ChildHandleBuffer[Index],\r | |
623 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r | |
624 | );\r | |
625 | }\r | |
3a10d471 | 626 | } else {\r |
6c94a00d | 627 | FreePool (ScsiIoDevice);\r |
3a10d471 | 628 | }\r |
629 | }\r | |
630 | \r | |
631 | if (!AllChildrenStopped) {\r | |
632 | return EFI_DEVICE_ERROR;\r | |
633 | }\r | |
634 | \r | |
635 | return EFI_SUCCESS;\r | |
636 | }\r | |
637 | \r | |
9beb888e | 638 | \r |
639 | /**\r | |
640 | Retrieves the device type information of the SCSI Controller.\r | |
641 | \r | |
642 | @param This Protocol instance pointer.\r | |
643 | @param DeviceType A pointer to the device type information retrieved from\r | |
644 | the SCSI Controller. \r | |
645 | \r | |
646 | @retval EFI_SUCCESS Retrieves the device type information successfully.\r | |
647 | @retval EFI_INVALID_PARAMETER The DeviceType is NULL.\r | |
648 | \r | |
649 | **/\r | |
3a10d471 | 650 | EFI_STATUS\r |
651 | EFIAPI\r | |
652 | ScsiGetDeviceType (\r | |
653 | IN EFI_SCSI_IO_PROTOCOL *This,\r | |
654 | OUT UINT8 *DeviceType\r | |
655 | )\r | |
3a10d471 | 656 | {\r |
657 | SCSI_IO_DEV *ScsiIoDevice;\r | |
658 | \r | |
659 | if (DeviceType == NULL) {\r | |
660 | return EFI_INVALID_PARAMETER;\r | |
661 | }\r | |
662 | \r | |
663 | ScsiIoDevice = SCSI_IO_DEV_FROM_THIS (This);\r | |
664 | *DeviceType = ScsiIoDevice->ScsiDeviceType;\r | |
665 | return EFI_SUCCESS;\r | |
666 | }\r | |
667 | \r | |
9beb888e | 668 | \r |
669 | /**\r | |
670 | Retrieves the device location in the SCSI channel.\r | |
671 | \r | |
672 | @param This Protocol instance pointer.\r | |
673 | @param Target A pointer to the Target ID of a SCSI device\r | |
674 | on the SCSI channel.\r | |
675 | @param Lun A pointer to the LUN of the SCSI device on\r | |
676 | the SCSI channel.\r | |
677 | \r | |
678 | @retval EFI_SUCCESS Retrieves the device location successfully.\r | |
679 | @retval EFI_INVALID_PARAMETER The Target or Lun is NULL.\r | |
680 | \r | |
681 | **/\r | |
3a10d471 | 682 | EFI_STATUS\r |
683 | EFIAPI\r | |
684 | ScsiGetDeviceLocation (\r | |
685 | IN EFI_SCSI_IO_PROTOCOL *This,\r | |
70c94b3b | 686 | IN OUT UINT8 **Target,\r |
3a10d471 | 687 | OUT UINT64 *Lun\r |
688 | )\r | |
3a10d471 | 689 | {\r |
690 | SCSI_IO_DEV *ScsiIoDevice;\r | |
691 | \r | |
692 | if (Target == NULL || Lun == NULL) {\r | |
693 | return EFI_INVALID_PARAMETER;\r | |
694 | }\r | |
695 | \r | |
f36d6e66 | 696 | ScsiIoDevice = SCSI_IO_DEV_FROM_THIS (This);\r |
3a10d471 | 697 | \r |
70c94b3b | 698 | CopyMem (*Target,&ScsiIoDevice->Pun, TARGET_MAX_BYTES);\r |
699 | \r | |
f36d6e66 | 700 | *Lun = ScsiIoDevice->Lun;\r |
3a10d471 | 701 | \r |
702 | return EFI_SUCCESS;\r | |
703 | }\r | |
704 | \r | |
9beb888e | 705 | /**\r |
706 | Resets the SCSI Bus that the SCSI Controller is attached to.\r | |
707 | \r | |
708 | @param This Protocol instance pointer.\r | |
709 | \r | |
710 | @retval EFI_SUCCESS The SCSI bus is reset successfully.\r | |
711 | @retval EFI_DEVICE_ERROR Errors encountered when resetting the SCSI bus.\r | |
712 | @retval EFI_UNSUPPORTED The bus reset operation is not supported by the\r | |
713 | SCSI Host Controller.\r | |
714 | @retval EFI_TIMEOUT A timeout occurred while attempting to reset \r | |
715 | the SCSI bus.\r | |
716 | **/\r | |
3a10d471 | 717 | EFI_STATUS\r |
718 | EFIAPI\r | |
719 | ScsiResetBus (\r | |
720 | IN EFI_SCSI_IO_PROTOCOL *This\r | |
721 | )\r | |
3a10d471 | 722 | {\r |
723 | SCSI_IO_DEV *ScsiIoDevice;\r | |
724 | \r | |
725 | ScsiIoDevice = SCSI_IO_DEV_FROM_THIS (This);\r | |
726 | \r | |
70c94b3b | 727 | if (ScsiIoDevice->ExtScsiSupport){\r |
728 | return ScsiIoDevice->ExtScsiPassThru->ResetChannel (ScsiIoDevice->ExtScsiPassThru);\r | |
729 | } else {\r | |
730 | return ScsiIoDevice->ScsiPassThru->ResetChannel (ScsiIoDevice->ScsiPassThru);\r | |
731 | }\r | |
3a10d471 | 732 | }\r |
733 | \r | |
9beb888e | 734 | \r |
735 | /**\r | |
736 | Resets the SCSI Controller that the device handle specifies.\r | |
737 | \r | |
738 | @param This Protocol instance pointer.\r | |
739 | \r | |
740 | @retval EFI_SUCCESS Reset the SCSI controller successfully.\r | |
741 | @retval EFI_DEVICE_ERROR Errors are encountered when resetting the SCSI Controller.\r | |
742 | @retval EFI_UNSUPPORTED The SCSI bus does not support a device reset operation.\r | |
743 | @retval EFI_TIMEOUT A timeout occurred while attempting to reset the\r | |
744 | SCSI Controller.\r | |
745 | **/\r | |
3a10d471 | 746 | EFI_STATUS\r |
747 | EFIAPI\r | |
748 | ScsiResetDevice (\r | |
749 | IN EFI_SCSI_IO_PROTOCOL *This\r | |
750 | )\r | |
3a10d471 | 751 | {\r |
f36d6e66 | 752 | SCSI_IO_DEV *ScsiIoDevice;\r |
70c94b3b | 753 | UINT8 Target[TARGET_MAX_BYTES];\r |
3a10d471 | 754 | \r |
755 | ScsiIoDevice = SCSI_IO_DEV_FROM_THIS (This);\r | |
70c94b3b | 756 | CopyMem (Target,&ScsiIoDevice->Pun, TARGET_MAX_BYTES);\r |
757 | \r | |
3a10d471 | 758 | \r |
70c94b3b | 759 | if (ScsiIoDevice->ExtScsiSupport) {\r |
760 | return ScsiIoDevice->ExtScsiPassThru->ResetTargetLun (\r | |
761 | ScsiIoDevice->ExtScsiPassThru,\r | |
762 | Target,\r | |
763 | ScsiIoDevice->Lun\r | |
764 | );\r | |
765 | } else {\r | |
766 | return ScsiIoDevice->ScsiPassThru->ResetTarget (\r | |
767 | ScsiIoDevice->ScsiPassThru,\r | |
768 | ScsiIoDevice->Pun.ScsiId.Scsi,\r | |
769 | ScsiIoDevice->Lun\r | |
770 | );\r | |
771 | }\r | |
3a10d471 | 772 | }\r |
773 | \r | |
f36d6e66 | 774 | \r |
9beb888e | 775 | /**\r |
f36d6e66 | 776 | Sends a SCSI Request Packet to the SCSI Controller for execution.\r |
f36d6e66 | 777 | \r |
9beb888e | 778 | @param This Protocol instance pointer.\r |
779 | @param CommandPacket The SCSI request packet to send to the SCSI \r | |
f36d6e66 | 780 | Controller specified by the device handle.\r |
9beb888e | 781 | @param Event If the SCSI bus where the SCSI device is attached\r |
f36d6e66 | 782 | does not support non-blocking I/O, then Event is \r |
783 | ignored, and blocking I/O is performed. \r | |
784 | If Event is NULL, then blocking I/O is performed.\r | |
785 | If Event is not NULL and non-blocking I/O is \r | |
786 | supported, then non-blocking I/O is performed,\r | |
787 | and Event will be signaled when the SCSI Request\r | |
788 | Packet completes.\r | |
9beb888e | 789 | \r |
790 | @retval EFI_SUCCESS The SCSI Request Packet was sent by the host \r | |
791 | successfully, and TransferLength bytes were \r | |
792 | transferred to/from DataBuffer.See \r | |
793 | HostAdapterStatus, TargetStatus, \r | |
794 | SenseDataLength, and SenseData in that order\r | |
795 | for additional status information.\r | |
796 | @retval EFI_BAD_BUFFER_SIZE The SCSI Request Packet was executed, \r | |
797 | but the entire DataBuffer could not be transferred.\r | |
798 | The actual number of bytes transferred is returned\r | |
799 | in TransferLength. See HostAdapterStatus, \r | |
800 | TargetStatus, SenseDataLength, and SenseData in \r | |
801 | that order for additional status information.\r | |
802 | @retval EFI_NOT_READY The SCSI Request Packet could not be sent because \r | |
803 | there are too many SCSI Command Packets already \r | |
804 | queued.The caller may retry again later.\r | |
805 | @retval EFI_DEVICE_ERROR A device error occurred while attempting to send \r | |
806 | the SCSI Request Packet. See HostAdapterStatus, \r | |
807 | TargetStatus, SenseDataLength, and SenseData in \r | |
808 | that order for additional status information.\r | |
809 | @retval EFI_INVALID_PARAMETER The contents of CommandPacket are invalid. \r | |
810 | The SCSI Request Packet was not sent, so no \r | |
811 | additional status information is available.\r | |
812 | @retval EFI_UNSUPPORTED The command described by the SCSI Request Packet\r | |
813 | is not supported by the SCSI initiator(i.e., SCSI \r | |
814 | Host Controller). The SCSI Request Packet was not\r | |
815 | sent, so no additional status information is \r | |
816 | available.\r | |
817 | @retval EFI_TIMEOUT A timeout occurred while waiting for the SCSI \r | |
818 | Request Packet to execute. See HostAdapterStatus,\r | |
819 | TargetStatus, SenseDataLength, and SenseData in \r | |
820 | that order for additional status information.\r | |
821 | **/\r | |
822 | EFI_STATUS\r | |
823 | EFIAPI\r | |
824 | ScsiExecuteSCSICommand (\r | |
825 | IN EFI_SCSI_IO_PROTOCOL *This,\r | |
826 | IN OUT EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet,\r | |
827 | IN EFI_EVENT Event OPTIONAL\r | |
828 | )\r | |
3a10d471 | 829 | {\r |
f36d6e66 | 830 | SCSI_IO_DEV *ScsiIoDevice;\r |
831 | EFI_STATUS Status;\r | |
70c94b3b | 832 | UINT8 Target[TARGET_MAX_BYTES];\r |
833 | EFI_EVENT PacketEvent;\r | |
834 | EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *ExtRequestPacket;\r | |
f36d6e66 | 835 | SCSI_EVENT_DATA EventData; \r |
3a10d471 | 836 | \r |
70c94b3b | 837 | PacketEvent = NULL;\r |
f36d6e66 | 838 | \r |
3a10d471 | 839 | if (Packet == NULL) {\r |
840 | return EFI_INVALID_PARAMETER;\r | |
841 | }\r | |
842 | \r | |
843 | ScsiIoDevice = SCSI_IO_DEV_FROM_THIS (This);\r | |
70c94b3b | 844 | CopyMem (Target,&ScsiIoDevice->Pun, TARGET_MAX_BYTES);\r |
c52fa98c | 845 | \r |
70c94b3b | 846 | if (ScsiIoDevice->ExtScsiSupport) {\r |
847 | ExtRequestPacket = (EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *) Packet;\r | |
848 | Status = ScsiIoDevice->ExtScsiPassThru->PassThru (\r | |
849 | ScsiIoDevice->ExtScsiPassThru,\r | |
850 | Target,\r | |
851 | ScsiIoDevice->Lun,\r | |
852 | ExtRequestPacket,\r | |
853 | Event\r | |
854 | );\r | |
855 | } else {\r | |
3a10d471 | 856 | \r |
70c94b3b | 857 | Status = gBS->AllocatePool (\r |
858 | EfiBootServicesData,\r | |
859 | sizeof(EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET),\r | |
9beb888e | 860 | (VOID**)&mWorkingBuffer\r |
70c94b3b | 861 | );\r |
3a10d471 | 862 | \r |
70c94b3b | 863 | if (EFI_ERROR (Status)) {\r |
864 | return EFI_DEVICE_ERROR;\r | |
865 | }\r | |
866 | \r | |
867 | //\r | |
c52fa98c | 868 | // Convert package into EFI1.0, EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET.\r |
70c94b3b | 869 | //\r |
9beb888e | 870 | Status = ScsiioToPassThruPacket(Packet, (EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET*)mWorkingBuffer);\r |
70c94b3b | 871 | if (EFI_ERROR(Status)) {\r |
9beb888e | 872 | FreePool(mWorkingBuffer);\r |
70c94b3b | 873 | return Status;\r |
874 | }\r | |
875 | \r | |
7077edb3 | 876 | if (((ScsiIoDevice->ScsiPassThru->Mode->Attributes & EFI_SCSI_PASS_THRU_ATTRIBUTES_NONBLOCKIO) != 0) && (Event != NULL)) {\r |
70c94b3b | 877 | EventData.Data1 = (VOID*)Packet;\r |
878 | EventData.Data2 = Event;\r | |
879 | //\r | |
880 | // Create Event\r | |
881 | //\r | |
882 | Status = gBS->CreateEvent (\r | |
883 | EVT_NOTIFY_SIGNAL,\r | |
884 | TPL_CALLBACK,\r | |
885 | NotifyFunction,\r | |
886 | &EventData,\r | |
887 | &PacketEvent\r | |
888 | );\r | |
889 | if (EFI_ERROR(Status)) {\r | |
9beb888e | 890 | FreePool(mWorkingBuffer);\r |
70c94b3b | 891 | return Status;\r |
892 | }\r | |
c52fa98c | 893 | \r |
70c94b3b | 894 | Status = ScsiIoDevice->ScsiPassThru->PassThru (\r |
895 | ScsiIoDevice->ScsiPassThru,\r | |
896 | ScsiIoDevice->Pun.ScsiId.Scsi,\r | |
897 | ScsiIoDevice->Lun,\r | |
9beb888e | 898 | mWorkingBuffer,\r |
70c94b3b | 899 | PacketEvent\r |
900 | );\r | |
901 | \r | |
902 | if (EFI_ERROR(Status)) {\r | |
9beb888e | 903 | gBS->FreePool(mWorkingBuffer);\r |
70c94b3b | 904 | gBS->CloseEvent(PacketEvent);\r |
905 | return Status;\r | |
906 | }\r | |
c52fa98c | 907 | \r |
70c94b3b | 908 | } else {\r |
909 | //\r | |
910 | // If there's no event or SCSI Device doesn't support NON-BLOCKING, just convert\r | |
911 | // EFI1.0 PassThru packet back to UEFI2.0 SCSI IO Packet.\r | |
912 | //\r | |
913 | Status = ScsiIoDevice->ScsiPassThru->PassThru (\r | |
914 | ScsiIoDevice->ScsiPassThru,\r | |
915 | ScsiIoDevice->Pun.ScsiId.Scsi,\r | |
916 | ScsiIoDevice->Lun,\r | |
9beb888e | 917 | mWorkingBuffer,\r |
70c94b3b | 918 | Event\r |
919 | );\r | |
920 | if (EFI_ERROR(Status)) {\r | |
9beb888e | 921 | FreePool(mWorkingBuffer);\r |
70c94b3b | 922 | return Status;\r |
923 | }\r | |
924 | \r | |
9beb888e | 925 | PassThruToScsiioPacket((EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET*)mWorkingBuffer,Packet);\r |
70c94b3b | 926 | //\r |
927 | // After converting EFI1.0 PassThru Packet back to UEFI2.0 SCSI IO Packet,\r | |
9beb888e | 928 | // free mWorkingBuffer.\r |
70c94b3b | 929 | //\r |
9beb888e | 930 | FreePool(mWorkingBuffer);\r |
70c94b3b | 931 | }\r |
932 | }\r | |
3a10d471 | 933 | return Status;\r |
934 | }\r | |
935 | \r | |
3a10d471 | 936 | \r |
9beb888e | 937 | /**\r |
70c94b3b | 938 | Scan SCSI Bus to discover the device, and attach ScsiIoProtocol to it.\r |
3a10d471 | 939 | \r |
9beb888e | 940 | @param This Protocol instance pointer\r |
941 | @param Controller Controller handle\r | |
942 | @param TargetId Tartget to be scanned\r | |
943 | @param Lun The Lun of the SCSI device on the SCSI channel.\r | |
944 | @param ScsiBusDev The pointer of SCSI_BUS_DEVICE\r | |
3a10d471 | 945 | \r |
9beb888e | 946 | @retval EFI_SUCCESS Successfully to discover the device and attach\r |
947 | ScsiIoProtocol to it.\r | |
948 | @retval EFI_OUT_OF_RESOURCES Fail to discover the device.\r | |
3a10d471 | 949 | \r |
9beb888e | 950 | **/\r |
951 | EFI_STATUS\r | |
952 | EFIAPI\r | |
953 | ScsiScanCreateDevice (\r | |
954 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
955 | IN EFI_HANDLE Controller,\r | |
956 | IN SCSI_TARGET_ID *TargetId,\r | |
957 | IN UINT64 Lun,\r | |
958 | IN OUT SCSI_BUS_DEVICE *ScsiBusDev\r | |
959 | )\r | |
3a10d471 | 960 | {\r |
961 | EFI_STATUS Status;\r | |
962 | SCSI_IO_DEV *ScsiIoDevice;\r | |
963 | EFI_DEVICE_PATH_PROTOCOL *ScsiDevicePath;\r | |
964 | \r | |
9beb888e | 965 | ScsiIoDevice = AllocateZeroPool (sizeof (SCSI_IO_DEV));\r |
966 | if (ScsiIoDevice == NULL) {\r | |
967 | return EFI_OUT_OF_RESOURCES;\r | |
3a10d471 | 968 | }\r |
969 | \r | |
3a10d471 | 970 | ScsiIoDevice->Signature = SCSI_IO_DEV_SIGNATURE;\r |
70c94b3b | 971 | CopyMem(&ScsiIoDevice->Pun, TargetId, TARGET_MAX_BYTES);\r |
3a10d471 | 972 | ScsiIoDevice->Lun = Lun;\r |
973 | \r | |
70c94b3b | 974 | if (ScsiBusDev->ExtScsiSupport) {\r |
975 | ScsiIoDevice->ExtScsiPassThru = ScsiBusDev->ExtScsiInterface;\r | |
976 | ScsiIoDevice->ExtScsiSupport = TRUE;\r | |
977 | ScsiIoDevice->ScsiIo.IoAlign = ScsiIoDevice->ExtScsiPassThru->Mode->IoAlign;\r | |
978 | \r | |
979 | } else {\r | |
980 | ScsiIoDevice->ScsiPassThru = ScsiBusDev->ScsiInterface;\r | |
981 | ScsiIoDevice->ExtScsiSupport = FALSE;\r | |
982 | ScsiIoDevice->ScsiIo.IoAlign = ScsiIoDevice->ScsiPassThru->Mode->IoAlign;\r | |
983 | }\r | |
984 | \r | |
3a10d471 | 985 | ScsiIoDevice->ScsiIo.GetDeviceType = ScsiGetDeviceType;\r |
70c94b3b | 986 | ScsiIoDevice->ScsiIo.GetDeviceLocation = ScsiGetDeviceLocation;\r |
3a10d471 | 987 | ScsiIoDevice->ScsiIo.ResetBus = ScsiResetBus;\r |
988 | ScsiIoDevice->ScsiIo.ResetDevice = ScsiResetDevice;\r | |
24e734d2 | 989 | ScsiIoDevice->ScsiIo.ExecuteScsiCommand = ScsiExecuteSCSICommand;\r |
3a10d471 | 990 | \r |
70c94b3b | 991 | \r |
3a10d471 | 992 | if (!DiscoverScsiDevice (ScsiIoDevice)) {\r |
9beb888e | 993 | FreePool (ScsiIoDevice);\r |
70c94b3b | 994 | return EFI_OUT_OF_RESOURCES;\r |
3a10d471 | 995 | }\r |
70c94b3b | 996 | \r |
3a10d471 | 997 | //\r |
998 | // Set Device Path\r | |
999 | //\r | |
6c94a00d | 1000 | ScsiDevicePath = NULL;\r |
70c94b3b | 1001 | if (ScsiIoDevice->ExtScsiSupport){\r |
1002 | Status = ScsiIoDevice->ExtScsiPassThru->BuildDevicePath (\r | |
1003 | ScsiIoDevice->ExtScsiPassThru,\r | |
1004 | &ScsiIoDevice->Pun.ScsiId.ExtScsi[0],\r | |
1005 | ScsiIoDevice->Lun,\r | |
1006 | &ScsiDevicePath\r | |
1007 | );\r | |
1008 | if (Status == EFI_OUT_OF_RESOURCES) {\r | |
9beb888e | 1009 | FreePool (ScsiIoDevice);\r |
70c94b3b | 1010 | return Status;\r |
1011 | }\r | |
1012 | } else {\r | |
1013 | Status = ScsiIoDevice->ScsiPassThru->BuildDevicePath (\r | |
1014 | ScsiIoDevice->ScsiPassThru,\r | |
1015 | ScsiIoDevice->Pun.ScsiId.Scsi,\r | |
1016 | ScsiIoDevice->Lun,\r | |
1017 | &ScsiDevicePath\r | |
1018 | );\r | |
1019 | if (Status == EFI_OUT_OF_RESOURCES) {\r | |
9beb888e | 1020 | FreePool (ScsiIoDevice);\r |
70c94b3b | 1021 | return Status;\r |
1022 | }\r | |
3a10d471 | 1023 | }\r |
c52fa98c | 1024 | \r |
3a10d471 | 1025 | ScsiIoDevice->DevicePath = AppendDevicePathNode (\r |
70c94b3b | 1026 | ScsiBusDev->DevicePath,\r |
3a10d471 | 1027 | ScsiDevicePath\r |
1028 | );\r | |
1029 | //\r | |
1030 | // The memory space for ScsiDevicePath is allocated in\r | |
1031 | // ScsiPassThru->BuildDevicePath() function; It is no longer used\r | |
1032 | // after EfiAppendDevicePathNode,so free the memory it occupies.\r | |
1033 | //\r | |
6c94a00d | 1034 | FreePool (ScsiDevicePath);\r |
3a10d471 | 1035 | \r |
1036 | if (ScsiIoDevice->DevicePath == NULL) {\r | |
6c94a00d | 1037 | FreePool (ScsiIoDevice);\r |
3a10d471 | 1038 | return EFI_OUT_OF_RESOURCES;\r |
1039 | }\r | |
c52fa98c | 1040 | \r |
3a10d471 | 1041 | Status = gBS->InstallMultipleProtocolInterfaces (\r |
1042 | &ScsiIoDevice->Handle,\r | |
1043 | &gEfiDevicePathProtocolGuid,\r | |
1044 | ScsiIoDevice->DevicePath,\r | |
1045 | &gEfiScsiIoProtocolGuid,\r | |
1046 | &ScsiIoDevice->ScsiIo,\r | |
1047 | NULL\r | |
1048 | );\r | |
1049 | if (EFI_ERROR (Status)) {\r | |
1050 | gBS->FreePool (ScsiIoDevice);\r | |
70c94b3b | 1051 | return EFI_OUT_OF_RESOURCES;\r |
3a10d471 | 1052 | } else {\r |
70c94b3b | 1053 | if (ScsiBusDev->ExtScsiSupport) {\r |
1054 | gBS->OpenProtocol (\r | |
1055 | Controller,\r | |
1056 | &gEfiExtScsiPassThruProtocolGuid,\r | |
1057 | (VOID **) &(ScsiBusDev->ExtScsiInterface),\r | |
1058 | This->DriverBindingHandle,\r | |
1059 | ScsiIoDevice->Handle,\r | |
1060 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r | |
1061 | );\r | |
1062 | } else {\r | |
1063 | gBS->OpenProtocol (\r | |
1064 | Controller,\r | |
1065 | &gEfiScsiPassThruProtocolGuid,\r | |
1066 | (VOID **) &(ScsiBusDev->ScsiInterface),\r | |
1067 | This->DriverBindingHandle,\r | |
1068 | ScsiIoDevice->Handle,\r | |
1069 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r | |
1070 | );\r | |
1071 | }\r | |
3a10d471 | 1072 | }\r |
3a10d471 | 1073 | return EFI_SUCCESS;\r |
1074 | }\r | |
1075 | \r | |
3a10d471 | 1076 | \r |
9beb888e | 1077 | /**\r |
70c94b3b | 1078 | Discovery SCSI Device\r |
3a10d471 | 1079 | \r |
9beb888e | 1080 | @param ScsiIoDevice The pointer of SCSI_IO_DEV\r |
3a10d471 | 1081 | \r |
9beb888e | 1082 | @retval TRUE Find SCSI Device and verify it.\r |
1083 | @retval FALSE Unable to find SCSI Device.\r | |
3a10d471 | 1084 | \r |
9beb888e | 1085 | **/\r |
1086 | BOOLEAN\r | |
1087 | DiscoverScsiDevice (\r | |
1088 | IN OUT SCSI_IO_DEV *ScsiIoDevice\r | |
1089 | )\r | |
3a10d471 | 1090 | {\r |
1091 | EFI_STATUS Status;\r | |
3a10d471 | 1092 | UINT32 InquiryDataLength;\r |
3a10d471 | 1093 | UINT8 SenseDataLength;\r |
1094 | UINT8 HostAdapterStatus;\r | |
1095 | UINT8 TargetStatus;\r | |
70c94b3b | 1096 | EFI_SCSI_SENSE_DATA SenseData;\r |
1097 | EFI_SCSI_INQUIRY_DATA InquiryData;\r | |
3a10d471 | 1098 | \r |
1099 | HostAdapterStatus = 0;\r | |
1100 | TargetStatus = 0;\r | |
1101 | //\r | |
1102 | // Using Inquiry command to scan for the device\r | |
1103 | //\r | |
1104 | InquiryDataLength = sizeof (EFI_SCSI_INQUIRY_DATA);\r | |
1105 | SenseDataLength = sizeof (EFI_SCSI_SENSE_DATA);\r | |
1106 | \r | |
d35be2a4 | 1107 | Status = ScsiInquiryCommand (\r |
3a10d471 | 1108 | &ScsiIoDevice->ScsiIo,\r |
e72a3b3e | 1109 | EFI_TIMER_PERIOD_SECONDS (1),\r |
3a10d471 | 1110 | (VOID *) &SenseData,\r |
1111 | &SenseDataLength,\r | |
1112 | &HostAdapterStatus,\r | |
1113 | &TargetStatus,\r | |
1114 | (VOID *) &InquiryData,\r | |
1115 | &InquiryDataLength,\r | |
1116 | FALSE\r | |
1117 | );\r | |
1118 | if (EFI_ERROR (Status)) {\r | |
3a10d471 | 1119 | return FALSE;\r |
1120 | }\r | |
1121 | //\r | |
1122 | // Retrieved inquiry data successfully\r | |
1123 | //\r | |
1124 | if ((InquiryData.Peripheral_Qualifier != 0) &&\r | |
1125 | (InquiryData.Peripheral_Qualifier != 3)) {\r | |
1126 | return FALSE;\r | |
1127 | }\r | |
1128 | \r | |
1129 | if (InquiryData.Peripheral_Qualifier == 3) {\r | |
1130 | if (InquiryData.Peripheral_Type != 0x1f) {\r | |
1131 | return FALSE;\r | |
1132 | }\r | |
1133 | }\r | |
1134 | \r | |
67a58d0f | 1135 | if (0x1e >= InquiryData.Peripheral_Type && InquiryData.Peripheral_Type >= 0xa) {\r |
3a10d471 | 1136 | return FALSE;\r |
1137 | }\r | |
c52fa98c | 1138 | \r |
3a10d471 | 1139 | //\r |
1140 | // valid device type and peripheral qualifier combination.\r | |
1141 | //\r | |
1142 | ScsiIoDevice->ScsiDeviceType = InquiryData.Peripheral_Type;\r | |
1143 | ScsiIoDevice->RemovableDevice = InquiryData.RMB;\r | |
1144 | if (InquiryData.Version == 0) {\r | |
1145 | ScsiIoDevice->ScsiVersion = 0;\r | |
1146 | } else {\r | |
1147 | //\r | |
1148 | // ANSI-approved version\r | |
1149 | //\r | |
1150 | ScsiIoDevice->ScsiVersion = (UINT8) (InquiryData.Version & 0x03);\r | |
1151 | }\r | |
1152 | \r | |
1153 | return TRUE;\r | |
1154 | }\r | |
70c94b3b | 1155 | \r |
1156 | \r | |
9beb888e | 1157 | /**\r |
1158 | Convert EFI_SCSI_IO_SCSI_REQUEST_PACKET packet to EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET packet.\r | |
1159 | \r | |
1160 | @param Packet The pointer of EFI_SCSI_IO_SCSI_REQUEST_PACKET\r | |
1161 | @param CommandPacket The pointer of EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET\r | |
1162 | \r | |
1163 | **/\r | |
70c94b3b | 1164 | EFI_STATUS\r |
1165 | EFIAPI\r | |
1166 | ScsiioToPassThruPacket (\r | |
1167 | IN EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet,\r | |
9beb888e | 1168 | OUT EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *CommandPacket\r |
70c94b3b | 1169 | )\r |
70c94b3b | 1170 | {\r |
1171 | //\r | |
1172 | //EFI 1.10 doesn't support Bi-Direction Command.\r | |
1173 | //\r | |
1174 | if (Packet->DataDirection == EFI_SCSI_IO_DATA_DIRECTION_BIDIRECTIONAL) {\r | |
1175 | return EFI_UNSUPPORTED;\r | |
1176 | }\r | |
c52fa98c | 1177 | \r |
70c94b3b | 1178 | ZeroMem (CommandPacket, sizeof (EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET));\r |
1179 | \r | |
1180 | CommandPacket->Timeout = Packet->Timeout;\r | |
1181 | CommandPacket->Cdb = Packet->Cdb;\r | |
1182 | CommandPacket->CdbLength = Packet->CdbLength;\r | |
1183 | CommandPacket->DataDirection = Packet->DataDirection;\r | |
1184 | CommandPacket->HostAdapterStatus = Packet->HostAdapterStatus;\r | |
1185 | CommandPacket->TargetStatus = Packet->TargetStatus;\r | |
1186 | CommandPacket->SenseData = Packet->SenseData;\r | |
1187 | CommandPacket->SenseDataLength = Packet->SenseDataLength;\r | |
1188 | \r | |
1189 | if (Packet->DataDirection == EFI_SCSI_IO_DATA_DIRECTION_READ) {\r | |
1190 | CommandPacket->DataBuffer = Packet->InDataBuffer;\r | |
1191 | CommandPacket->TransferLength = Packet->InTransferLength;\r | |
1192 | } else if (Packet->DataDirection == EFI_SCSI_IO_DATA_DIRECTION_WRITE) {\r | |
1193 | CommandPacket->DataBuffer = Packet->OutDataBuffer;\r | |
1194 | CommandPacket->TransferLength = Packet->OutTransferLength;\r | |
1195 | }\r | |
1196 | return EFI_SUCCESS;\r | |
1197 | }\r | |
1198 | \r | |
1199 | \r | |
9beb888e | 1200 | /**\r |
1201 | Convert EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET packet to EFI_SCSI_IO_SCSI_REQUEST_PACKET packet.\r | |
1202 | \r | |
1203 | @param ScsiPacket The pointer of EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET\r | |
1204 | @param Packet The pointer of EFI_SCSI_IO_SCSI_REQUEST_PACKET\r | |
1205 | \r | |
1206 | **/\r | |
70c94b3b | 1207 | EFI_STATUS\r |
1208 | EFIAPI\r | |
1209 | PassThruToScsiioPacket (\r | |
1210 | IN EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *ScsiPacket,\r | |
9beb888e | 1211 | OUT EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet\r |
70c94b3b | 1212 | )\r |
70c94b3b | 1213 | {\r |
1214 | Packet->Timeout = ScsiPacket->Timeout;\r | |
1215 | Packet->Cdb = ScsiPacket->Cdb;\r | |
1216 | Packet->CdbLength = ScsiPacket->CdbLength;\r | |
1217 | Packet->DataDirection = ScsiPacket->DataDirection;\r | |
1218 | Packet->HostAdapterStatus = ScsiPacket->HostAdapterStatus;\r | |
1219 | Packet->TargetStatus = ScsiPacket->TargetStatus;\r | |
1220 | Packet->SenseData = ScsiPacket->SenseData;\r | |
1221 | Packet->SenseDataLength = ScsiPacket->SenseDataLength;\r | |
1222 | \r | |
1223 | if (ScsiPacket->DataDirection == EFI_SCSI_IO_DATA_DIRECTION_READ) {\r | |
1224 | Packet->InDataBuffer = ScsiPacket->DataBuffer;\r | |
1225 | Packet->InTransferLength = ScsiPacket->TransferLength;\r | |
1226 | } else if (Packet->DataDirection == EFI_SCSI_IO_DATA_DIRECTION_WRITE) {\r | |
1227 | Packet->OutDataBuffer = ScsiPacket->DataBuffer;\r | |
1228 | Packet->OutTransferLength = ScsiPacket->TransferLength;\r | |
1229 | }\r | |
c52fa98c | 1230 | \r |
70c94b3b | 1231 | return EFI_SUCCESS;\r |
1232 | }\r | |
1233 | \r | |
9beb888e | 1234 | /**\r |
1235 | Notify Function in which convert EFI1.0 PassThru Packet back to UEF2.0\r | |
1236 | SCSI IO Packet.\r | |
70c94b3b | 1237 | \r |
9beb888e | 1238 | @param Event The instance of EFI_EVENT.\r |
1239 | @param Context The parameter passed in.\r | |
70c94b3b | 1240 | \r |
9beb888e | 1241 | **/\r |
70c94b3b | 1242 | VOID\r |
1243 | EFIAPI\r | |
1244 | NotifyFunction (\r | |
9beb888e | 1245 | IN EFI_EVENT Event,\r |
1246 | IN VOID *Context\r | |
70c94b3b | 1247 | )\r |
70c94b3b | 1248 | {\r |
1249 | EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet;\r | |
1250 | EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *ScsiPacket;\r | |
1251 | EFI_EVENT CallerEvent;\r | |
c52fa98c | 1252 | SCSI_EVENT_DATA *PassData;\r |
70c94b3b | 1253 | \r |
1254 | PassData = (SCSI_EVENT_DATA*)Context;\r | |
1255 | Packet = (EFI_SCSI_IO_SCSI_REQUEST_PACKET *)PassData->Data1;\r | |
9beb888e | 1256 | ScsiPacket = (EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET*)mWorkingBuffer;\r |
70c94b3b | 1257 | \r |
1258 | //\r | |
1259 | // Convert EFI1.0 PassThru packet to UEFI2.0 SCSI IO Packet.\r | |
1260 | //\r | |
1261 | PassThruToScsiioPacket(ScsiPacket, Packet);\r | |
c52fa98c | 1262 | \r |
70c94b3b | 1263 | //\r |
1264 | // After converting EFI1.0 PassThru Packet back to UEFI2.0 SCSI IO Packet,\r | |
9beb888e | 1265 | // free mWorkingBuffer.\r |
70c94b3b | 1266 | //\r |
9beb888e | 1267 | gBS->FreePool(mWorkingBuffer);\r |
70c94b3b | 1268 | \r |
1269 | //\r | |
1270 | // Signal Event to tell caller to pick up UEFI2.0 SCSI IO Packet.\r | |
1271 | //\r | |
1272 | CallerEvent = PassData->Data2;\r | |
1273 | gBS->CloseEvent(Event);\r | |
1274 | gBS->SignalEvent(CallerEvent);\r | |
1275 | }\r | |
9beb888e | 1276 | \r |