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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 |
cd5ebaa0 HT |
5 | Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>\r |
6 | This program and the accompanying materials\r | |
c52fa98c | 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 |
af4a6385 | 145 | EFI_STATUS Status;\r |
146 | EFI_SCSI_PASS_THRU_PROTOCOL *PassThru;\r | |
70c94b3b | 147 | EFI_EXT_SCSI_PASS_THRU_PROTOCOL *ExtPassThru;\r |
d548f0a1 | 148 | UINT64 Lun;\r |
149 | UINT8 *TargetId;\r | |
150 | SCSI_TARGET_ID ScsiTargetId;\r | |
af4a6385 | 151 | \r |
d548f0a1 | 152 | TargetId = &ScsiTargetId.ScsiId.ExtScsi[0];\r |
153 | SetMem (TargetId, TARGET_MAX_BYTES, 0xFF);\r | |
154 | \r | |
155 | //\r | |
156 | // To keep backward compatibility, UEFI ExtPassThru Protocol is supported as well as \r | |
157 | // EFI PassThru Protocol. From priority perspective, ExtPassThru Protocol is firstly\r | |
158 | // tried to open on host controller handle. If fails, then PassThru Protocol is tried instead.\r | |
159 | //\r | |
160 | Status = gBS->OpenProtocol (\r | |
161 | Controller,\r | |
162 | &gEfiExtScsiPassThruProtocolGuid,\r | |
163 | (VOID **)&ExtPassThru,\r | |
164 | This->DriverBindingHandle,\r | |
165 | Controller,\r | |
166 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
167 | );\r | |
168 | \r | |
169 | if (Status == EFI_ALREADY_STARTED) {\r | |
170 | return EFI_SUCCESS;\r | |
171 | } else if (!EFI_ERROR(Status)) {\r | |
af4a6385 | 172 | //\r |
d548f0a1 | 173 | // Check if RemainingDevicePath is NULL or the End of Device Path Node,\r |
174 | // if yes, return EFI_SUCCESS.\r | |
af4a6385 | 175 | //\r |
d548f0a1 | 176 | if ((RemainingDevicePath == NULL) || IsDevicePathEnd (RemainingDevicePath)) {\r |
67f7e376 | 177 | //\r |
178 | // Close protocol regardless of RemainingDevicePath validation\r | |
179 | //\r | |
180 | gBS->CloseProtocol (\r | |
181 | Controller,\r | |
182 | &gEfiExtScsiPassThruProtocolGuid,\r | |
183 | This->DriverBindingHandle,\r | |
184 | Controller\r | |
185 | ); \r | |
d548f0a1 | 186 | return EFI_SUCCESS;\r |
187 | } else {\r | |
188 | //\r | |
189 | // If RemainingDevicePath isn't the End of Device Path Node, check its validation\r | |
190 | //\r | |
191 | Status = ExtPassThru->GetTargetLun (ExtPassThru, RemainingDevicePath, &TargetId, &Lun);\r | |
af4a6385 | 192 | //\r |
d548f0a1 | 193 | // Close protocol regardless of RemainingDevicePath validation\r |
af4a6385 | 194 | //\r |
d548f0a1 | 195 | gBS->CloseProtocol (\r |
196 | Controller,\r | |
197 | &gEfiExtScsiPassThruProtocolGuid,\r | |
198 | This->DriverBindingHandle,\r | |
199 | Controller\r | |
200 | ); \r | |
201 | if (!EFI_ERROR(Status)) {\r | |
202 | return EFI_SUCCESS;\r | |
af4a6385 | 203 | }\r |
204 | }\r | |
205 | }\r | |
206 | \r | |
3a10d471 | 207 | //\r |
d548f0a1 | 208 | // Come here in 2 condition: \r |
209 | // 1. ExtPassThru doesn't exist.\r | |
210 | // 2. ExtPassThru exists but RemainingDevicePath is invalid.\r | |
3a10d471 | 211 | //\r |
212 | Status = gBS->OpenProtocol (\r | |
213 | Controller,\r | |
d548f0a1 | 214 | &gEfiScsiPassThruProtocolGuid,\r |
215 | (VOID **)&PassThru,\r | |
3a10d471 | 216 | This->DriverBindingHandle,\r |
217 | Controller,\r | |
70c94b3b | 218 | EFI_OPEN_PROTOCOL_BY_DRIVER\r |
3a10d471 | 219 | );\r |
d548f0a1 | 220 | \r |
70c94b3b | 221 | if (Status == EFI_ALREADY_STARTED) {\r |
222 | return EFI_SUCCESS;\r | |
223 | }\r | |
d548f0a1 | 224 | \r |
70c94b3b | 225 | if (EFI_ERROR (Status)) {\r |
d548f0a1 | 226 | return Status;\r |
3a10d471 | 227 | }\r |
d548f0a1 | 228 | \r |
af4a6385 | 229 | //\r |
d548f0a1 | 230 | // Test RemainingDevicePath is valid or not.\r |
af4a6385 | 231 | //\r |
d548f0a1 | 232 | if ((RemainingDevicePath != NULL) && !IsDevicePathEnd (RemainingDevicePath)) {\r |
233 | Status = PassThru->GetTargetLun (PassThru, RemainingDevicePath, &ScsiTargetId.ScsiId.Scsi, &Lun);\r | |
234 | }\r | |
235 | \r | |
70c94b3b | 236 | gBS->CloseProtocol (\r |
d548f0a1 | 237 | Controller,\r |
238 | &gEfiScsiPassThruProtocolGuid,\r | |
239 | This->DriverBindingHandle,\r | |
240 | Controller\r | |
241 | );\r | |
242 | return Status;\r | |
3a10d471 | 243 | }\r |
244 | \r | |
9beb888e | 245 | \r |
246 | /**\r | |
247 | Start this driver on ControllerHandle.\r | |
248 | \r | |
249 | This service is called by the EFI boot service ConnectController(). In order\r | |
250 | to make drivers as small as possible, there are a few calling restrictions for\r | |
251 | this service. ConnectController() must follow these calling restrictions. If\r | |
252 | any other agent wishes to call Start() it must also follow these calling\r | |
253 | restrictions.\r | |
254 | \r | |
255 | @param This Protocol instance pointer.\r | |
256 | @param ControllerHandle Handle of device to bind driver to\r | |
257 | @param RemainingDevicePath Optional parameter use to pick a specific child\r | |
258 | device to start.\r | |
259 | \r | |
260 | @retval EFI_SUCCESS This driver is added to ControllerHandle\r | |
261 | @retval EFI_ALREADY_STARTED This driver is already running on ControllerHandle\r | |
262 | @retval other This driver does not support this device\r | |
263 | \r | |
264 | **/\r | |
3a10d471 | 265 | EFI_STATUS\r |
266 | EFIAPI\r | |
267 | SCSIBusDriverBindingStart (\r | |
268 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
269 | IN EFI_HANDLE Controller,\r | |
270 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
271 | )\r | |
3a10d471 | 272 | {\r |
f36d6e66 | 273 | UINT64 Lun;\r |
274 | UINT8 *TargetId;\r | |
275 | BOOLEAN ScanOtherPuns;\r | |
276 | BOOLEAN FromFirstTarget;\r | |
277 | BOOLEAN ExtScsiSupport;\r | |
278 | EFI_STATUS Status;\r | |
279 | EFI_STATUS DevicePathStatus;\r | |
280 | EFI_STATUS PassThruStatus;\r | |
281 | SCSI_BUS_DEVICE *ScsiBusDev;\r | |
d548f0a1 | 282 | SCSI_TARGET_ID ScsiTargetId;\r |
f36d6e66 | 283 | EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath;\r |
284 | EFI_SCSI_PASS_THRU_PROTOCOL *ScsiInterface;\r | |
285 | EFI_EXT_SCSI_PASS_THRU_PROTOCOL *ExtScsiInterface;\r | |
286 | EFI_SCSI_BUS_PROTOCOL *BusIdentify;\r | |
287 | \r | |
288 | TargetId = NULL;\r | |
f36d6e66 | 289 | ScanOtherPuns = TRUE;\r |
70c94b3b | 290 | FromFirstTarget = FALSE;\r |
f36d6e66 | 291 | ExtScsiSupport = FALSE;\r |
292 | PassThruStatus = EFI_SUCCESS;\r | |
9beb888e | 293 | \r |
d548f0a1 | 294 | TargetId = &ScsiTargetId.ScsiId.ExtScsi[0];\r |
295 | SetMem (TargetId, TARGET_MAX_BYTES, 0xFF);\r | |
f36d6e66 | 296 | \r |
297 | DevicePathStatus = gBS->OpenProtocol (\r | |
298 | Controller,\r | |
299 | &gEfiDevicePathProtocolGuid,\r | |
300 | (VOID **) &ParentDevicePath,\r | |
301 | This->DriverBindingHandle,\r | |
302 | Controller,\r | |
303 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
304 | );\r | |
305 | if (EFI_ERROR (DevicePathStatus) && (DevicePathStatus != EFI_ALREADY_STARTED)) {\r | |
306 | return DevicePathStatus;\r | |
3a10d471 | 307 | }\r |
308 | \r | |
309 | //\r | |
f36d6e66 | 310 | // To keep backward compatibility, UEFI ExtPassThru Protocol is supported as well as \r |
311 | // EFI PassThru Protocol. From priority perspective, ExtPassThru Protocol is firstly\r | |
312 | // tried to open on host controller handle. If fails, then PassThru Protocol is tried instead.\r | |
3a10d471 | 313 | //\r |
314 | Status = gBS->OpenProtocol (\r | |
315 | Controller,\r | |
70c94b3b | 316 | &gEfiExtScsiPassThruProtocolGuid,\r |
f36d6e66 | 317 | (VOID **) &ExtScsiInterface,\r |
3a10d471 | 318 | This->DriverBindingHandle,\r |
319 | Controller,\r | |
320 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
321 | );\r | |
f36d6e66 | 322 | //\r |
323 | // Fail to open UEFI ExtendPassThru Protocol, then try to open EFI PassThru Protocol instead.\r | |
324 | //\r | |
325 | if (EFI_ERROR(Status) && (Status != EFI_ALREADY_STARTED)) {\r | |
70c94b3b | 326 | Status = gBS->OpenProtocol (\r |
327 | Controller,\r | |
328 | &gEfiScsiPassThruProtocolGuid,\r | |
f36d6e66 | 329 | (VOID **) &ScsiInterface,\r |
70c94b3b | 330 | This->DriverBindingHandle,\r |
331 | Controller,\r | |
332 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
333 | );\r | |
f36d6e66 | 334 | //\r |
335 | // Fail to open EFI PassThru Protocol, Close the DevicePathProtocol if it is opened by this time.\r | |
336 | //\r | |
337 | if (EFI_ERROR (Status) && (Status != EFI_ALREADY_STARTED)) {\r | |
338 | if (!EFI_ERROR(DevicePathStatus)) {\r | |
339 | gBS->CloseProtocol (\r | |
340 | Controller,\r | |
341 | &gEfiDevicePathProtocolGuid,\r | |
342 | This->DriverBindingHandle,\r | |
343 | Controller\r | |
344 | );\r | |
345 | } \r | |
70c94b3b | 346 | return Status;\r |
f36d6e66 | 347 | } \r |
70c94b3b | 348 | } else {\r |
f36d6e66 | 349 | //\r |
350 | // Succeed to open ExtPassThru Protocol, and meanwhile open PassThru Protocol \r | |
351 | // with BY_DRIVER if it is also present on the handle. The intent is to prevent \r | |
352 | // another SCSI Bus Driver to work on the same host handle.\r | |
353 | //\r | |
354 | ExtScsiSupport = TRUE;\r | |
355 | PassThruStatus = gBS->OpenProtocol (\r | |
356 | Controller,\r | |
357 | &gEfiScsiPassThruProtocolGuid,\r | |
358 | (VOID **) &ScsiInterface,\r | |
359 | This->DriverBindingHandle,\r | |
360 | Controller,\r | |
361 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
362 | );\r | |
70c94b3b | 363 | }\r |
f36d6e66 | 364 | \r |
365 | if (Status != EFI_ALREADY_STARTED) {\r | |
366 | //\r | |
367 | // Go through here means either ExtPassThru or PassThru Protocol is successfully opened\r | |
368 | // on this handle for this time. Then construct Host controller private data.\r | |
369 | //\r | |
370 | ScsiBusDev = NULL;\r | |
371 | ScsiBusDev = AllocateZeroPool(sizeof(SCSI_BUS_DEVICE));\r | |
372 | if (ScsiBusDev == NULL) {\r | |
373 | Status = EFI_OUT_OF_RESOURCES;\r | |
374 | goto ErrorExit;\r | |
375 | }\r | |
376 | ScsiBusDev->Signature = SCSI_BUS_DEVICE_SIGNATURE;\r | |
377 | ScsiBusDev->ExtScsiSupport = ExtScsiSupport;\r | |
378 | ScsiBusDev->DevicePath = ParentDevicePath;\r | |
70c94b3b | 379 | if (ScsiBusDev->ExtScsiSupport) {\r |
f36d6e66 | 380 | ScsiBusDev->ExtScsiInterface = ExtScsiInterface;\r |
70c94b3b | 381 | } else {\r |
f36d6e66 | 382 | ScsiBusDev->ScsiInterface = ScsiInterface; \r |
70c94b3b | 383 | }\r |
f36d6e66 | 384 | \r |
385 | //\r | |
386 | // Install EFI_SCSI_BUS_PROTOCOL to the controller handle, So ScsiBusDev could be\r | |
387 | // retrieved on this controller handle. With ScsiBusDev, we can know which PassThru\r | |
388 | // Protocol is present on the handle, UEFI ExtPassThru Protocol or EFI PassThru Protocol.\r | |
389 | // \r | |
390 | Status = gBS->InstallProtocolInterface (\r | |
391 | &Controller,\r | |
392 | &mScsiBusProtocolGuid,\r | |
393 | EFI_NATIVE_INTERFACE,\r | |
394 | &ScsiBusDev->BusIdentify\r | |
395 | );\r | |
396 | if (EFI_ERROR (Status)) {\r | |
397 | goto ErrorExit;\r | |
398 | }\r | |
399 | } else {\r | |
400 | //\r | |
401 | // Go through here means Start() is re-invoked again, nothing special is required to do except\r | |
402 | // picking up Host controller private information.\r | |
403 | //\r | |
404 | Status = gBS->OpenProtocol (\r | |
405 | Controller,\r | |
406 | &mScsiBusProtocolGuid,\r | |
407 | (VOID **) &BusIdentify,\r | |
408 | This->DriverBindingHandle,\r | |
409 | Controller,\r | |
410 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
411 | );\r | |
412 | \r | |
413 | if (EFI_ERROR (Status)) {\r | |
414 | return Status;\r | |
415 | }\r | |
416 | ScsiBusDev = SCSI_BUS_CONTROLLER_DEVICE_FROM_THIS (BusIdentify);\r | |
3a10d471 | 417 | }\r |
418 | \r | |
af4a6385 | 419 | Lun = 0;\r |
3a10d471 | 420 | if (RemainingDevicePath == NULL) {\r |
af4a6385 | 421 | //\r |
422 | // If RemainingDevicePath is NULL, \r | |
423 | // must enumerate all SCSI devices anyway\r | |
424 | //\r | |
70c94b3b | 425 | FromFirstTarget = TRUE;\r |
af4a6385 | 426 | } else if (!IsDevicePathEnd (RemainingDevicePath)) {\r |
427 | //\r | |
428 | // If RemainingDevicePath isn't the End of Device Path Node, \r | |
429 | // only scan the specified device by RemainingDevicePath\r | |
430 | //\r | |
70c94b3b | 431 | if (ScsiBusDev->ExtScsiSupport) {\r |
d10a41e6 | 432 | Status = ScsiBusDev->ExtScsiInterface->GetTargetLun (ScsiBusDev->ExtScsiInterface, RemainingDevicePath, &TargetId, &Lun); \r |
70c94b3b | 433 | } else {\r |
d10a41e6 | 434 | Status = ScsiBusDev->ScsiInterface->GetTargetLun (ScsiBusDev->ScsiInterface, RemainingDevicePath, &ScsiTargetId.ScsiId.Scsi, &Lun);\r |
70c94b3b | 435 | }\r |
af4a6385 | 436 | \r |
d10a41e6 | 437 | if (EFI_ERROR (Status)) {\r |
438 | return Status;\r | |
439 | }\r | |
af4a6385 | 440 | } else {\r |
441 | //\r | |
442 | // If RemainingDevicePath is the End of Device Path Node,\r | |
443 | // skip enumerate any device and return EFI_SUCESSS\r | |
444 | // \r | |
445 | ScanOtherPuns = FALSE;\r | |
3a10d471 | 446 | }\r |
447 | \r | |
70c94b3b | 448 | while(ScanOtherPuns) {\r |
449 | if (FromFirstTarget) {\r | |
3a10d471 | 450 | //\r |
451 | // Remaining Device Path is NULL, scan all the possible Puns in the\r | |
452 | // SCSI Channel.\r | |
453 | //\r | |
70c94b3b | 454 | if (ScsiBusDev->ExtScsiSupport) {\r |
455 | Status = ScsiBusDev->ExtScsiInterface->GetNextTargetLun (ScsiBusDev->ExtScsiInterface, &TargetId, &Lun);\r | |
456 | } else {\r | |
d548f0a1 | 457 | Status = ScsiBusDev->ScsiInterface->GetNextDevice (ScsiBusDev->ScsiInterface, &ScsiTargetId.ScsiId.Scsi, &Lun);\r |
70c94b3b | 458 | }\r |
3a10d471 | 459 | if (EFI_ERROR (Status)) {\r |
460 | //\r | |
461 | // no legal Pun and Lun found any more\r | |
462 | //\r | |
463 | break;\r | |
464 | }\r | |
465 | } else {\r | |
3a10d471 | 466 | ScanOtherPuns = FALSE;\r |
467 | }\r | |
3a10d471 | 468 | //\r |
469 | // Avoid creating handle for the host adapter.\r | |
470 | //\r | |
70c94b3b | 471 | if (ScsiBusDev->ExtScsiSupport) {\r |
d548f0a1 | 472 | if ((ScsiTargetId.ScsiId.Scsi) == ScsiBusDev->ExtScsiInterface->Mode->AdapterId) {\r |
70c94b3b | 473 | continue;\r |
474 | }\r | |
475 | } else {\r | |
d548f0a1 | 476 | if ((ScsiTargetId.ScsiId.Scsi) == ScsiBusDev->ScsiInterface->Mode->AdapterId) {\r |
70c94b3b | 477 | continue;\r |
478 | }\r | |
3a10d471 | 479 | }\r |
3a10d471 | 480 | //\r |
481 | // Scan for the scsi device, if it attaches to the scsi bus,\r | |
482 | // then create handle and install scsi i/o protocol.\r | |
483 | //\r | |
d548f0a1 | 484 | Status = ScsiScanCreateDevice (This, Controller, &ScsiTargetId, Lun, ScsiBusDev);\r |
3a10d471 | 485 | }\r |
f36d6e66 | 486 | return EFI_SUCCESS;\r |
9b38ff34 | 487 | \r |
f36d6e66 | 488 | ErrorExit:\r |
489 | \r | |
490 | if (ScsiBusDev != NULL) {\r | |
9b38ff34 | 491 | FreePool (ScsiBusDev);\r |
f36d6e66 | 492 | }\r |
493 | \r | |
494 | if (ExtScsiSupport) {\r | |
495 | gBS->CloseProtocol (\r | |
496 | Controller,\r | |
497 | &gEfiExtScsiPassThruProtocolGuid,\r | |
498 | This->DriverBindingHandle,\r | |
499 | Controller\r | |
500 | );\r | |
501 | if (!EFI_ERROR (PassThruStatus)) {\r | |
502 | gBS->CloseProtocol (\r | |
503 | Controller,\r | |
504 | &gEfiScsiPassThruProtocolGuid,\r | |
505 | This->DriverBindingHandle,\r | |
506 | Controller\r | |
507 | );\r | |
508 | }\r | |
509 | } else {\r | |
510 | gBS->CloseProtocol (\r | |
511 | Controller,\r | |
512 | &gEfiScsiPassThruProtocolGuid,\r | |
513 | This->DriverBindingHandle,\r | |
514 | Controller\r | |
515 | );\r | |
516 | }\r | |
3a10d471 | 517 | return Status;\r |
518 | }\r | |
519 | \r | |
9beb888e | 520 | /**\r |
521 | Stop this driver on ControllerHandle.\r | |
522 | \r | |
523 | This service is called by the EFI boot service DisconnectController().\r | |
524 | In order to make drivers as small as possible, there are a few calling\r | |
525 | restrictions for this service. DisconnectController() must follow these\r | |
526 | calling restrictions. If any other agent wishes to call Stop() it must also\r | |
527 | follow these calling restrictions.\r | |
528 | \r | |
529 | @param This Protocol instance pointer.\r | |
530 | @param ControllerHandle Handle of device to stop driver on\r | |
531 | @param NumberOfChildren Number of Handles in ChildHandleBuffer. If number of\r | |
532 | children is zero stop the entire bus driver.\r | |
533 | @param ChildHandleBuffer List of Child Handles to Stop.\r | |
534 | \r | |
535 | @retval EFI_SUCCESS This driver is removed ControllerHandle\r | |
536 | @retval other This driver was not removed from this device\r | |
537 | \r | |
538 | **/\r | |
3a10d471 | 539 | EFI_STATUS\r |
540 | EFIAPI\r | |
541 | SCSIBusDriverBindingStop (\r | |
542 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
543 | IN EFI_HANDLE Controller,\r | |
544 | IN UINTN NumberOfChildren,\r | |
545 | IN EFI_HANDLE *ChildHandleBuffer\r | |
546 | )\r | |
3a10d471 | 547 | {\r |
548 | EFI_STATUS Status;\r | |
549 | BOOLEAN AllChildrenStopped;\r | |
550 | UINTN Index;\r | |
551 | EFI_SCSI_IO_PROTOCOL *ScsiIo;\r | |
552 | SCSI_IO_DEV *ScsiIoDevice;\r | |
70c94b3b | 553 | VOID *ScsiPassThru;\r |
554 | EFI_SCSI_BUS_PROTOCOL *Scsidentifier;\r | |
555 | SCSI_BUS_DEVICE *ScsiBusDev;\r | |
3a10d471 | 556 | \r |
557 | if (NumberOfChildren == 0) {\r | |
70c94b3b | 558 | //\r |
559 | // Get the SCSI_BUS_DEVICE\r | |
560 | //\r | |
561 | Status = gBS->OpenProtocol (\r | |
562 | Controller,\r | |
563 | &mScsiBusProtocolGuid,\r | |
564 | (VOID **) &Scsidentifier,\r | |
565 | This->DriverBindingHandle,\r | |
566 | Controller,\r | |
567 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
568 | );\r | |
c52fa98c | 569 | \r |
70c94b3b | 570 | if (EFI_ERROR (Status)) {\r |
571 | return EFI_DEVICE_ERROR;\r | |
572 | }\r | |
573 | \r | |
574 | ScsiBusDev = SCSI_BUS_CONTROLLER_DEVICE_FROM_THIS (Scsidentifier);\r | |
575 | \r | |
576 | //\r | |
577 | // Uninstall SCSI Bus Protocol\r | |
578 | //\r | |
579 | gBS->UninstallProtocolInterface (\r | |
580 | Controller,\r | |
581 | &mScsiBusProtocolGuid,\r | |
582 | &ScsiBusDev->BusIdentify\r | |
583 | );\r | |
c52fa98c | 584 | \r |
3a10d471 | 585 | //\r |
586 | // Close the bus driver\r | |
587 | //\r | |
70c94b3b | 588 | if (ScsiBusDev->ExtScsiSupport) {\r |
1e5914b5 | 589 | //\r |
590 | // Close ExtPassThru Protocol from this controller handle\r | |
591 | //\r | |
70c94b3b | 592 | gBS->CloseProtocol (\r |
593 | Controller,\r | |
594 | &gEfiExtScsiPassThruProtocolGuid,\r | |
595 | This->DriverBindingHandle,\r | |
596 | Controller\r | |
597 | );\r | |
1e5914b5 | 598 | //\r |
599 | // When Start() succeeds to open ExtPassThru, it always tries to open PassThru BY_DRIVER.\r | |
600 | // Its intent is to prevent another SCSI Bus Driver from woking on the same host handle. \r | |
601 | // So Stop() needs to try to close PassThru if present here.\r | |
602 | //\r | |
603 | gBS->CloseProtocol (\r | |
604 | Controller,\r | |
605 | &gEfiScsiPassThruProtocolGuid,\r | |
606 | This->DriverBindingHandle,\r | |
607 | Controller\r | |
608 | );\r | |
70c94b3b | 609 | } else {\r |
610 | gBS->CloseProtocol (\r | |
611 | Controller,\r | |
612 | &gEfiScsiPassThruProtocolGuid,\r | |
613 | This->DriverBindingHandle,\r | |
614 | Controller\r | |
615 | );\r | |
616 | }\r | |
3a10d471 | 617 | \r |
70c94b3b | 618 | gBS->CloseProtocol (\r |
619 | Controller,\r | |
620 | &gEfiDevicePathProtocolGuid,\r | |
621 | This->DriverBindingHandle,\r | |
622 | Controller\r | |
623 | );\r | |
6c94a00d | 624 | FreePool (ScsiBusDev);\r |
3a10d471 | 625 | return EFI_SUCCESS;\r |
626 | }\r | |
627 | \r | |
628 | AllChildrenStopped = TRUE;\r | |
629 | \r | |
630 | for (Index = 0; Index < NumberOfChildren; Index++) {\r | |
631 | \r | |
632 | Status = gBS->OpenProtocol (\r | |
633 | ChildHandleBuffer[Index],\r | |
634 | &gEfiScsiIoProtocolGuid,\r | |
635 | (VOID **) &ScsiIo,\r | |
636 | This->DriverBindingHandle,\r | |
637 | Controller,\r | |
638 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
639 | );\r | |
640 | if (EFI_ERROR (Status)) {\r | |
641 | AllChildrenStopped = FALSE;\r | |
642 | continue;\r | |
643 | }\r | |
644 | \r | |
645 | ScsiIoDevice = SCSI_IO_DEV_FROM_THIS (ScsiIo);\r | |
646 | //\r | |
647 | // Close the child handle\r | |
648 | //\r | |
70c94b3b | 649 | if (ScsiIoDevice->ExtScsiSupport) {\r |
650 | Status = gBS->CloseProtocol (\r | |
651 | Controller,\r | |
652 | &gEfiExtScsiPassThruProtocolGuid,\r | |
653 | This->DriverBindingHandle,\r | |
654 | ChildHandleBuffer[Index]\r | |
655 | );\r | |
656 | \r | |
657 | } else {\r | |
658 | Status = gBS->CloseProtocol (\r | |
659 | Controller,\r | |
660 | &gEfiScsiPassThruProtocolGuid,\r | |
661 | This->DriverBindingHandle,\r | |
662 | ChildHandleBuffer[Index]\r | |
663 | );\r | |
664 | }\r | |
3a10d471 | 665 | \r |
666 | Status = gBS->UninstallMultipleProtocolInterfaces (\r | |
667 | ChildHandleBuffer[Index],\r | |
668 | &gEfiDevicePathProtocolGuid,\r | |
669 | ScsiIoDevice->DevicePath,\r | |
670 | &gEfiScsiIoProtocolGuid,\r | |
671 | &ScsiIoDevice->ScsiIo,\r | |
672 | NULL\r | |
673 | );\r | |
674 | if (EFI_ERROR (Status)) {\r | |
675 | AllChildrenStopped = FALSE;\r | |
70c94b3b | 676 | if (ScsiIoDevice->ExtScsiSupport) {\r |
677 | gBS->OpenProtocol (\r | |
678 | Controller,\r | |
679 | &gEfiExtScsiPassThruProtocolGuid,\r | |
84b5c78e | 680 | &ScsiPassThru,\r |
70c94b3b | 681 | This->DriverBindingHandle,\r |
682 | ChildHandleBuffer[Index],\r | |
683 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r | |
684 | );\r | |
685 | } else {\r | |
686 | gBS->OpenProtocol (\r | |
687 | Controller,\r | |
688 | &gEfiScsiPassThruProtocolGuid,\r | |
84b5c78e | 689 | &ScsiPassThru,\r |
70c94b3b | 690 | This->DriverBindingHandle,\r |
691 | ChildHandleBuffer[Index],\r | |
692 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r | |
693 | );\r | |
694 | }\r | |
3a10d471 | 695 | } else {\r |
6c94a00d | 696 | FreePool (ScsiIoDevice);\r |
3a10d471 | 697 | }\r |
698 | }\r | |
699 | \r | |
700 | if (!AllChildrenStopped) {\r | |
701 | return EFI_DEVICE_ERROR;\r | |
702 | }\r | |
703 | \r | |
704 | return EFI_SUCCESS;\r | |
705 | }\r | |
706 | \r | |
9beb888e | 707 | \r |
708 | /**\r | |
709 | Retrieves the device type information of the SCSI Controller.\r | |
710 | \r | |
711 | @param This Protocol instance pointer.\r | |
712 | @param DeviceType A pointer to the device type information retrieved from\r | |
713 | the SCSI Controller. \r | |
714 | \r | |
715 | @retval EFI_SUCCESS Retrieves the device type information successfully.\r | |
716 | @retval EFI_INVALID_PARAMETER The DeviceType is NULL.\r | |
717 | \r | |
718 | **/\r | |
3a10d471 | 719 | EFI_STATUS\r |
720 | EFIAPI\r | |
721 | ScsiGetDeviceType (\r | |
722 | IN EFI_SCSI_IO_PROTOCOL *This,\r | |
723 | OUT UINT8 *DeviceType\r | |
724 | )\r | |
3a10d471 | 725 | {\r |
726 | SCSI_IO_DEV *ScsiIoDevice;\r | |
727 | \r | |
728 | if (DeviceType == NULL) {\r | |
729 | return EFI_INVALID_PARAMETER;\r | |
730 | }\r | |
731 | \r | |
732 | ScsiIoDevice = SCSI_IO_DEV_FROM_THIS (This);\r | |
733 | *DeviceType = ScsiIoDevice->ScsiDeviceType;\r | |
734 | return EFI_SUCCESS;\r | |
735 | }\r | |
736 | \r | |
9beb888e | 737 | \r |
738 | /**\r | |
739 | Retrieves the device location in the SCSI channel.\r | |
740 | \r | |
741 | @param This Protocol instance pointer.\r | |
742 | @param Target A pointer to the Target ID of a SCSI device\r | |
743 | on the SCSI channel.\r | |
744 | @param Lun A pointer to the LUN of the SCSI device on\r | |
745 | the SCSI channel.\r | |
746 | \r | |
747 | @retval EFI_SUCCESS Retrieves the device location successfully.\r | |
748 | @retval EFI_INVALID_PARAMETER The Target or Lun is NULL.\r | |
749 | \r | |
750 | **/\r | |
3a10d471 | 751 | EFI_STATUS\r |
752 | EFIAPI\r | |
753 | ScsiGetDeviceLocation (\r | |
754 | IN EFI_SCSI_IO_PROTOCOL *This,\r | |
70c94b3b | 755 | IN OUT UINT8 **Target,\r |
3a10d471 | 756 | OUT UINT64 *Lun\r |
757 | )\r | |
3a10d471 | 758 | {\r |
759 | SCSI_IO_DEV *ScsiIoDevice;\r | |
760 | \r | |
761 | if (Target == NULL || Lun == NULL) {\r | |
762 | return EFI_INVALID_PARAMETER;\r | |
763 | }\r | |
764 | \r | |
f36d6e66 | 765 | ScsiIoDevice = SCSI_IO_DEV_FROM_THIS (This);\r |
3a10d471 | 766 | \r |
70c94b3b | 767 | CopyMem (*Target,&ScsiIoDevice->Pun, TARGET_MAX_BYTES);\r |
768 | \r | |
f36d6e66 | 769 | *Lun = ScsiIoDevice->Lun;\r |
3a10d471 | 770 | \r |
771 | return EFI_SUCCESS;\r | |
772 | }\r | |
773 | \r | |
9beb888e | 774 | /**\r |
775 | Resets the SCSI Bus that the SCSI Controller is attached to.\r | |
776 | \r | |
777 | @param This Protocol instance pointer.\r | |
778 | \r | |
779 | @retval EFI_SUCCESS The SCSI bus is reset successfully.\r | |
780 | @retval EFI_DEVICE_ERROR Errors encountered when resetting the SCSI bus.\r | |
781 | @retval EFI_UNSUPPORTED The bus reset operation is not supported by the\r | |
782 | SCSI Host Controller.\r | |
783 | @retval EFI_TIMEOUT A timeout occurred while attempting to reset \r | |
784 | the SCSI bus.\r | |
785 | **/\r | |
3a10d471 | 786 | EFI_STATUS\r |
787 | EFIAPI\r | |
788 | ScsiResetBus (\r | |
789 | IN EFI_SCSI_IO_PROTOCOL *This\r | |
790 | )\r | |
3a10d471 | 791 | {\r |
792 | SCSI_IO_DEV *ScsiIoDevice;\r | |
793 | \r | |
794 | ScsiIoDevice = SCSI_IO_DEV_FROM_THIS (This);\r | |
795 | \r | |
70c94b3b | 796 | if (ScsiIoDevice->ExtScsiSupport){\r |
797 | return ScsiIoDevice->ExtScsiPassThru->ResetChannel (ScsiIoDevice->ExtScsiPassThru);\r | |
798 | } else {\r | |
799 | return ScsiIoDevice->ScsiPassThru->ResetChannel (ScsiIoDevice->ScsiPassThru);\r | |
800 | }\r | |
3a10d471 | 801 | }\r |
802 | \r | |
9beb888e | 803 | \r |
804 | /**\r | |
805 | Resets the SCSI Controller that the device handle specifies.\r | |
806 | \r | |
807 | @param This Protocol instance pointer.\r | |
808 | \r | |
809 | @retval EFI_SUCCESS Reset the SCSI controller successfully.\r | |
810 | @retval EFI_DEVICE_ERROR Errors are encountered when resetting the SCSI Controller.\r | |
811 | @retval EFI_UNSUPPORTED The SCSI bus does not support a device reset operation.\r | |
812 | @retval EFI_TIMEOUT A timeout occurred while attempting to reset the\r | |
813 | SCSI Controller.\r | |
814 | **/\r | |
3a10d471 | 815 | EFI_STATUS\r |
816 | EFIAPI\r | |
817 | ScsiResetDevice (\r | |
818 | IN EFI_SCSI_IO_PROTOCOL *This\r | |
819 | )\r | |
3a10d471 | 820 | {\r |
f36d6e66 | 821 | SCSI_IO_DEV *ScsiIoDevice;\r |
70c94b3b | 822 | UINT8 Target[TARGET_MAX_BYTES];\r |
3a10d471 | 823 | \r |
824 | ScsiIoDevice = SCSI_IO_DEV_FROM_THIS (This);\r | |
70c94b3b | 825 | CopyMem (Target,&ScsiIoDevice->Pun, TARGET_MAX_BYTES);\r |
826 | \r | |
3a10d471 | 827 | \r |
70c94b3b | 828 | if (ScsiIoDevice->ExtScsiSupport) {\r |
829 | return ScsiIoDevice->ExtScsiPassThru->ResetTargetLun (\r | |
830 | ScsiIoDevice->ExtScsiPassThru,\r | |
831 | Target,\r | |
832 | ScsiIoDevice->Lun\r | |
833 | );\r | |
834 | } else {\r | |
835 | return ScsiIoDevice->ScsiPassThru->ResetTarget (\r | |
836 | ScsiIoDevice->ScsiPassThru,\r | |
837 | ScsiIoDevice->Pun.ScsiId.Scsi,\r | |
838 | ScsiIoDevice->Lun\r | |
839 | );\r | |
840 | }\r | |
3a10d471 | 841 | }\r |
842 | \r | |
f36d6e66 | 843 | \r |
9beb888e | 844 | /**\r |
f36d6e66 | 845 | Sends a SCSI Request Packet to the SCSI Controller for execution.\r |
f36d6e66 | 846 | \r |
9beb888e | 847 | @param This Protocol instance pointer.\r |
848 | @param CommandPacket The SCSI request packet to send to the SCSI \r | |
f36d6e66 | 849 | Controller specified by the device handle.\r |
9beb888e | 850 | @param Event If the SCSI bus where the SCSI device is attached\r |
f36d6e66 | 851 | does not support non-blocking I/O, then Event is \r |
852 | ignored, and blocking I/O is performed. \r | |
853 | If Event is NULL, then blocking I/O is performed.\r | |
854 | If Event is not NULL and non-blocking I/O is \r | |
855 | supported, then non-blocking I/O is performed,\r | |
856 | and Event will be signaled when the SCSI Request\r | |
857 | Packet completes.\r | |
9beb888e | 858 | \r |
859 | @retval EFI_SUCCESS The SCSI Request Packet was sent by the host \r | |
860 | successfully, and TransferLength bytes were \r | |
861 | transferred to/from DataBuffer.See \r | |
862 | HostAdapterStatus, TargetStatus, \r | |
863 | SenseDataLength, and SenseData in that order\r | |
864 | for additional status information.\r | |
865 | @retval EFI_BAD_BUFFER_SIZE The SCSI Request Packet was executed, \r | |
866 | but the entire DataBuffer could not be transferred.\r | |
867 | The actual number of bytes transferred is returned\r | |
868 | in TransferLength. See HostAdapterStatus, \r | |
869 | TargetStatus, SenseDataLength, and SenseData in \r | |
870 | that order for additional status information.\r | |
871 | @retval EFI_NOT_READY The SCSI Request Packet could not be sent because \r | |
872 | there are too many SCSI Command Packets already \r | |
873 | queued.The caller may retry again later.\r | |
874 | @retval EFI_DEVICE_ERROR A device error occurred while attempting to send \r | |
875 | the SCSI Request Packet. See HostAdapterStatus, \r | |
876 | TargetStatus, SenseDataLength, and SenseData in \r | |
877 | that order for additional status information.\r | |
878 | @retval EFI_INVALID_PARAMETER The contents of CommandPacket are invalid. \r | |
879 | The SCSI Request Packet was not sent, so no \r | |
880 | additional status information is available.\r | |
881 | @retval EFI_UNSUPPORTED The command described by the SCSI Request Packet\r | |
882 | is not supported by the SCSI initiator(i.e., SCSI \r | |
883 | Host Controller). The SCSI Request Packet was not\r | |
884 | sent, so no additional status information is \r | |
885 | available.\r | |
886 | @retval EFI_TIMEOUT A timeout occurred while waiting for the SCSI \r | |
887 | Request Packet to execute. See HostAdapterStatus,\r | |
888 | TargetStatus, SenseDataLength, and SenseData in \r | |
889 | that order for additional status information.\r | |
890 | **/\r | |
891 | EFI_STATUS\r | |
892 | EFIAPI\r | |
893 | ScsiExecuteSCSICommand (\r | |
894 | IN EFI_SCSI_IO_PROTOCOL *This,\r | |
895 | IN OUT EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet,\r | |
896 | IN EFI_EVENT Event OPTIONAL\r | |
897 | )\r | |
3a10d471 | 898 | {\r |
f36d6e66 | 899 | SCSI_IO_DEV *ScsiIoDevice;\r |
900 | EFI_STATUS Status;\r | |
70c94b3b | 901 | UINT8 Target[TARGET_MAX_BYTES];\r |
902 | EFI_EVENT PacketEvent;\r | |
903 | EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *ExtRequestPacket;\r | |
f36d6e66 | 904 | SCSI_EVENT_DATA EventData; \r |
3a10d471 | 905 | \r |
70c94b3b | 906 | PacketEvent = NULL;\r |
f36d6e66 | 907 | \r |
3a10d471 | 908 | if (Packet == NULL) {\r |
909 | return EFI_INVALID_PARAMETER;\r | |
910 | }\r | |
911 | \r | |
912 | ScsiIoDevice = SCSI_IO_DEV_FROM_THIS (This);\r | |
70c94b3b | 913 | CopyMem (Target,&ScsiIoDevice->Pun, TARGET_MAX_BYTES);\r |
c52fa98c | 914 | \r |
70c94b3b | 915 | if (ScsiIoDevice->ExtScsiSupport) {\r |
916 | ExtRequestPacket = (EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *) Packet;\r | |
917 | Status = ScsiIoDevice->ExtScsiPassThru->PassThru (\r | |
918 | ScsiIoDevice->ExtScsiPassThru,\r | |
919 | Target,\r | |
920 | ScsiIoDevice->Lun,\r | |
921 | ExtRequestPacket,\r | |
922 | Event\r | |
923 | );\r | |
924 | } else {\r | |
3a10d471 | 925 | \r |
9b38ff34 | 926 | mWorkingBuffer = AllocatePool (sizeof(EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET));\r |
3a10d471 | 927 | \r |
9b38ff34 | 928 | if (mWorkingBuffer == NULL) {\r |
70c94b3b | 929 | return EFI_DEVICE_ERROR;\r |
930 | }\r | |
931 | \r | |
932 | //\r | |
c52fa98c | 933 | // Convert package into EFI1.0, EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET.\r |
70c94b3b | 934 | //\r |
9beb888e | 935 | Status = ScsiioToPassThruPacket(Packet, (EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET*)mWorkingBuffer);\r |
70c94b3b | 936 | if (EFI_ERROR(Status)) {\r |
9beb888e | 937 | FreePool(mWorkingBuffer);\r |
70c94b3b | 938 | return Status;\r |
939 | }\r | |
940 | \r | |
7077edb3 | 941 | if (((ScsiIoDevice->ScsiPassThru->Mode->Attributes & EFI_SCSI_PASS_THRU_ATTRIBUTES_NONBLOCKIO) != 0) && (Event != NULL)) {\r |
70c94b3b | 942 | EventData.Data1 = (VOID*)Packet;\r |
943 | EventData.Data2 = Event;\r | |
944 | //\r | |
945 | // Create Event\r | |
946 | //\r | |
947 | Status = gBS->CreateEvent (\r | |
948 | EVT_NOTIFY_SIGNAL,\r | |
949 | TPL_CALLBACK,\r | |
950 | NotifyFunction,\r | |
951 | &EventData,\r | |
952 | &PacketEvent\r | |
953 | );\r | |
954 | if (EFI_ERROR(Status)) {\r | |
9beb888e | 955 | FreePool(mWorkingBuffer);\r |
70c94b3b | 956 | return Status;\r |
957 | }\r | |
c52fa98c | 958 | \r |
70c94b3b | 959 | Status = ScsiIoDevice->ScsiPassThru->PassThru (\r |
960 | ScsiIoDevice->ScsiPassThru,\r | |
961 | ScsiIoDevice->Pun.ScsiId.Scsi,\r | |
962 | ScsiIoDevice->Lun,\r | |
9beb888e | 963 | mWorkingBuffer,\r |
70c94b3b | 964 | PacketEvent\r |
965 | );\r | |
966 | \r | |
967 | if (EFI_ERROR(Status)) {\r | |
9b38ff34 | 968 | FreePool(mWorkingBuffer);\r |
70c94b3b | 969 | gBS->CloseEvent(PacketEvent);\r |
970 | return Status;\r | |
971 | }\r | |
c52fa98c | 972 | \r |
70c94b3b | 973 | } else {\r |
974 | //\r | |
975 | // If there's no event or SCSI Device doesn't support NON-BLOCKING, just convert\r | |
976 | // EFI1.0 PassThru packet back to UEFI2.0 SCSI IO Packet.\r | |
977 | //\r | |
978 | Status = ScsiIoDevice->ScsiPassThru->PassThru (\r | |
979 | ScsiIoDevice->ScsiPassThru,\r | |
980 | ScsiIoDevice->Pun.ScsiId.Scsi,\r | |
981 | ScsiIoDevice->Lun,\r | |
9beb888e | 982 | mWorkingBuffer,\r |
70c94b3b | 983 | Event\r |
984 | );\r | |
985 | if (EFI_ERROR(Status)) {\r | |
9beb888e | 986 | FreePool(mWorkingBuffer);\r |
70c94b3b | 987 | return Status;\r |
988 | }\r | |
989 | \r | |
9beb888e | 990 | PassThruToScsiioPacket((EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET*)mWorkingBuffer,Packet);\r |
70c94b3b | 991 | //\r |
992 | // After converting EFI1.0 PassThru Packet back to UEFI2.0 SCSI IO Packet,\r | |
9beb888e | 993 | // free mWorkingBuffer.\r |
70c94b3b | 994 | //\r |
9beb888e | 995 | FreePool(mWorkingBuffer);\r |
70c94b3b | 996 | }\r |
997 | }\r | |
3a10d471 | 998 | return Status;\r |
999 | }\r | |
1000 | \r | |
3a10d471 | 1001 | \r |
9beb888e | 1002 | /**\r |
70c94b3b | 1003 | Scan SCSI Bus to discover the device, and attach ScsiIoProtocol to it.\r |
3a10d471 | 1004 | \r |
9beb888e | 1005 | @param This Protocol instance pointer\r |
1006 | @param Controller Controller handle\r | |
1007 | @param TargetId Tartget to be scanned\r | |
1008 | @param Lun The Lun of the SCSI device on the SCSI channel.\r | |
1009 | @param ScsiBusDev The pointer of SCSI_BUS_DEVICE\r | |
3a10d471 | 1010 | \r |
9beb888e | 1011 | @retval EFI_SUCCESS Successfully to discover the device and attach\r |
1012 | ScsiIoProtocol to it.\r | |
1013 | @retval EFI_OUT_OF_RESOURCES Fail to discover the device.\r | |
3a10d471 | 1014 | \r |
9beb888e | 1015 | **/\r |
1016 | EFI_STATUS\r | |
1017 | EFIAPI\r | |
1018 | ScsiScanCreateDevice (\r | |
1019 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
1020 | IN EFI_HANDLE Controller,\r | |
1021 | IN SCSI_TARGET_ID *TargetId,\r | |
1022 | IN UINT64 Lun,\r | |
1023 | IN OUT SCSI_BUS_DEVICE *ScsiBusDev\r | |
1024 | )\r | |
3a10d471 | 1025 | {\r |
1026 | EFI_STATUS Status;\r | |
1027 | SCSI_IO_DEV *ScsiIoDevice;\r | |
1028 | EFI_DEVICE_PATH_PROTOCOL *ScsiDevicePath;\r | |
cbd2a4b3 | 1029 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r |
1030 | EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath;\r | |
1031 | EFI_HANDLE DeviceHandle;\r | |
1032 | \r | |
1033 | DevicePath = NULL;\r | |
1034 | RemainingDevicePath = NULL;\r | |
1035 | ScsiDevicePath = NULL;\r | |
1036 | ScsiIoDevice = NULL;\r | |
1037 | \r | |
1038 | //\r | |
1039 | // Build Device Path\r | |
1040 | //\r | |
1041 | if (ScsiBusDev->ExtScsiSupport){\r | |
1042 | Status = ScsiBusDev->ExtScsiInterface->BuildDevicePath (\r | |
1043 | ScsiBusDev->ExtScsiInterface,\r | |
1044 | &TargetId->ScsiId.ExtScsi[0],\r | |
1045 | Lun,\r | |
1046 | &ScsiDevicePath\r | |
1047 | );\r | |
1048 | } else {\r | |
1049 | Status = ScsiIoDevice->ScsiPassThru->BuildDevicePath (\r | |
1050 | ScsiBusDev->ScsiInterface,\r | |
1051 | TargetId->ScsiId.Scsi,\r | |
1052 | Lun,\r | |
1053 | &ScsiDevicePath\r | |
1054 | );\r | |
1055 | }\r | |
1056 | \r | |
1057 | if (EFI_ERROR(Status)) {\r | |
1058 | return Status;\r | |
1059 | }\r | |
1060 | \r | |
1061 | DevicePath = AppendDevicePathNode (\r | |
1062 | ScsiBusDev->DevicePath,\r | |
1063 | ScsiDevicePath\r | |
1064 | );\r | |
1065 | \r | |
1066 | if (DevicePath == NULL) {\r | |
1067 | Status = EFI_OUT_OF_RESOURCES;\r | |
1068 | goto ErrorExit;\r | |
1069 | }\r | |
1070 | \r | |
1071 | DeviceHandle = NULL;\r | |
1072 | RemainingDevicePath = DevicePath;\r | |
1073 | Status = gBS->LocateDevicePath (&gEfiDevicePathProtocolGuid, &RemainingDevicePath, &DeviceHandle);\r | |
1074 | if (!EFI_ERROR (Status) && (DeviceHandle != NULL) && IsDevicePathEnd(RemainingDevicePath)) {\r | |
1075 | //\r | |
1076 | // The device has been started, directly return to fast boot.\r | |
1077 | //\r | |
1078 | Status = EFI_ALREADY_STARTED;\r | |
1079 | goto ErrorExit;\r | |
1080 | }\r | |
3a10d471 | 1081 | \r |
9beb888e | 1082 | ScsiIoDevice = AllocateZeroPool (sizeof (SCSI_IO_DEV));\r |
1083 | if (ScsiIoDevice == NULL) {\r | |
cbd2a4b3 | 1084 | Status = EFI_OUT_OF_RESOURCES;\r |
1085 | goto ErrorExit;\r | |
3a10d471 | 1086 | }\r |
1087 | \r | |
3a10d471 | 1088 | ScsiIoDevice->Signature = SCSI_IO_DEV_SIGNATURE;\r |
70c94b3b | 1089 | CopyMem(&ScsiIoDevice->Pun, TargetId, TARGET_MAX_BYTES);\r |
3a10d471 | 1090 | ScsiIoDevice->Lun = Lun;\r |
1091 | \r | |
70c94b3b | 1092 | if (ScsiBusDev->ExtScsiSupport) {\r |
1093 | ScsiIoDevice->ExtScsiPassThru = ScsiBusDev->ExtScsiInterface;\r | |
1094 | ScsiIoDevice->ExtScsiSupport = TRUE;\r | |
1095 | ScsiIoDevice->ScsiIo.IoAlign = ScsiIoDevice->ExtScsiPassThru->Mode->IoAlign;\r | |
1096 | \r | |
1097 | } else {\r | |
1098 | ScsiIoDevice->ScsiPassThru = ScsiBusDev->ScsiInterface;\r | |
1099 | ScsiIoDevice->ExtScsiSupport = FALSE;\r | |
1100 | ScsiIoDevice->ScsiIo.IoAlign = ScsiIoDevice->ScsiPassThru->Mode->IoAlign;\r | |
1101 | }\r | |
1102 | \r | |
3a10d471 | 1103 | ScsiIoDevice->ScsiIo.GetDeviceType = ScsiGetDeviceType;\r |
70c94b3b | 1104 | ScsiIoDevice->ScsiIo.GetDeviceLocation = ScsiGetDeviceLocation;\r |
3a10d471 | 1105 | ScsiIoDevice->ScsiIo.ResetBus = ScsiResetBus;\r |
1106 | ScsiIoDevice->ScsiIo.ResetDevice = ScsiResetDevice;\r | |
24e734d2 | 1107 | ScsiIoDevice->ScsiIo.ExecuteScsiCommand = ScsiExecuteSCSICommand;\r |
3a10d471 | 1108 | \r |
1109 | if (!DiscoverScsiDevice (ScsiIoDevice)) {\r | |
cbd2a4b3 | 1110 | Status = EFI_OUT_OF_RESOURCES;\r |
1111 | goto ErrorExit;\r | |
3a10d471 | 1112 | }\r |
70c94b3b | 1113 | \r |
cbd2a4b3 | 1114 | ScsiIoDevice->DevicePath = DevicePath;\r |
c52fa98c | 1115 | \r |
3a10d471 | 1116 | Status = gBS->InstallMultipleProtocolInterfaces (\r |
1117 | &ScsiIoDevice->Handle,\r | |
1118 | &gEfiDevicePathProtocolGuid,\r | |
1119 | ScsiIoDevice->DevicePath,\r | |
1120 | &gEfiScsiIoProtocolGuid,\r | |
1121 | &ScsiIoDevice->ScsiIo,\r | |
1122 | NULL\r | |
1123 | );\r | |
1124 | if (EFI_ERROR (Status)) {\r | |
cbd2a4b3 | 1125 | goto ErrorExit;\r |
3a10d471 | 1126 | } else {\r |
70c94b3b | 1127 | if (ScsiBusDev->ExtScsiSupport) {\r |
1128 | gBS->OpenProtocol (\r | |
cbd2a4b3 | 1129 | Controller,\r |
1130 | &gEfiExtScsiPassThruProtocolGuid,\r | |
1131 | (VOID **) &(ScsiBusDev->ExtScsiInterface),\r | |
1132 | This->DriverBindingHandle,\r | |
1133 | ScsiIoDevice->Handle,\r | |
1134 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r | |
1135 | );\r | |
70c94b3b | 1136 | } else {\r |
1137 | gBS->OpenProtocol (\r | |
cbd2a4b3 | 1138 | Controller,\r |
1139 | &gEfiScsiPassThruProtocolGuid,\r | |
1140 | (VOID **) &(ScsiBusDev->ScsiInterface),\r | |
1141 | This->DriverBindingHandle,\r | |
1142 | ScsiIoDevice->Handle,\r | |
1143 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r | |
1144 | );\r | |
70c94b3b | 1145 | }\r |
3a10d471 | 1146 | }\r |
3a10d471 | 1147 | return EFI_SUCCESS;\r |
cbd2a4b3 | 1148 | \r |
1149 | ErrorExit:\r | |
1150 | \r | |
1151 | //\r | |
1152 | // The memory space for ScsiDevicePath is allocated in\r | |
1153 | // ScsiPassThru->BuildDevicePath() function; It is no longer used\r | |
1154 | // after AppendDevicePathNode,so free the memory it occupies.\r | |
1155 | //\r | |
1156 | FreePool (ScsiDevicePath);\r | |
1157 | \r | |
1158 | if (DevicePath != NULL) {\r | |
1159 | FreePool (DevicePath);\r | |
1160 | }\r | |
1161 | \r | |
1162 | if (ScsiIoDevice != NULL) {\r | |
1163 | FreePool (ScsiIoDevice);\r | |
1164 | }\r | |
1165 | \r | |
1166 | return Status;\r | |
3a10d471 | 1167 | }\r |
1168 | \r | |
3a10d471 | 1169 | \r |
9beb888e | 1170 | /**\r |
70c94b3b | 1171 | Discovery SCSI Device\r |
3a10d471 | 1172 | \r |
9beb888e | 1173 | @param ScsiIoDevice The pointer of SCSI_IO_DEV\r |
3a10d471 | 1174 | \r |
9beb888e | 1175 | @retval TRUE Find SCSI Device and verify it.\r |
1176 | @retval FALSE Unable to find SCSI Device.\r | |
3a10d471 | 1177 | \r |
9beb888e | 1178 | **/\r |
1179 | BOOLEAN\r | |
1180 | DiscoverScsiDevice (\r | |
1181 | IN OUT SCSI_IO_DEV *ScsiIoDevice\r | |
1182 | )\r | |
3a10d471 | 1183 | {\r |
1184 | EFI_STATUS Status;\r | |
3a10d471 | 1185 | UINT32 InquiryDataLength;\r |
3a10d471 | 1186 | UINT8 SenseDataLength;\r |
1187 | UINT8 HostAdapterStatus;\r | |
1188 | UINT8 TargetStatus;\r | |
70c94b3b | 1189 | EFI_SCSI_SENSE_DATA SenseData;\r |
1190 | EFI_SCSI_INQUIRY_DATA InquiryData;\r | |
cbd2a4b3 | 1191 | UINT8 MaxRetry;\r |
1192 | UINT8 Index;\r | |
3a10d471 | 1193 | \r |
1194 | HostAdapterStatus = 0;\r | |
1195 | TargetStatus = 0;\r | |
1196 | //\r | |
1197 | // Using Inquiry command to scan for the device\r | |
1198 | //\r | |
1199 | InquiryDataLength = sizeof (EFI_SCSI_INQUIRY_DATA);\r | |
c9325700 | 1200 | SenseDataLength = (UINT8) sizeof (EFI_SCSI_SENSE_DATA);\r |
cbd2a4b3 | 1201 | ZeroMem (&InquiryData, InquiryDataLength);\r |
1202 | \r | |
1203 | MaxRetry = 2;\r | |
1204 | for (Index = 0; Index < MaxRetry; Index++) {\r | |
1205 | Status = ScsiInquiryCommand (\r | |
1206 | &ScsiIoDevice->ScsiIo,\r | |
1207 | EFI_TIMER_PERIOD_SECONDS (1),\r | |
1208 | (VOID *) &SenseData,\r | |
1209 | &SenseDataLength,\r | |
1210 | &HostAdapterStatus,\r | |
1211 | &TargetStatus,\r | |
1212 | (VOID *) &InquiryData,\r | |
1213 | &InquiryDataLength,\r | |
1214 | FALSE\r | |
1215 | );\r | |
1216 | if (!EFI_ERROR (Status)) {\r | |
1217 | break;\r | |
1218 | } else if ((Status == EFI_BAD_BUFFER_SIZE) || \r | |
1219 | (Status == EFI_INVALID_PARAMETER) ||\r | |
1220 | (Status == EFI_UNSUPPORTED)) {\r | |
1221 | return FALSE;\r | |
1222 | }\r | |
1223 | }\r | |
3a10d471 | 1224 | \r |
cbd2a4b3 | 1225 | if (Index == MaxRetry) {\r |
3a10d471 | 1226 | return FALSE;\r |
1227 | }\r | |
cbd2a4b3 | 1228 | \r |
3a10d471 | 1229 | //\r |
1230 | // Retrieved inquiry data successfully\r | |
1231 | //\r | |
1232 | if ((InquiryData.Peripheral_Qualifier != 0) &&\r | |
1233 | (InquiryData.Peripheral_Qualifier != 3)) {\r | |
1234 | return FALSE;\r | |
1235 | }\r | |
1236 | \r | |
1237 | if (InquiryData.Peripheral_Qualifier == 3) {\r | |
1238 | if (InquiryData.Peripheral_Type != 0x1f) {\r | |
1239 | return FALSE;\r | |
1240 | }\r | |
1241 | }\r | |
1242 | \r | |
67a58d0f | 1243 | if (0x1e >= InquiryData.Peripheral_Type && InquiryData.Peripheral_Type >= 0xa) {\r |
3a10d471 | 1244 | return FALSE;\r |
1245 | }\r | |
c52fa98c | 1246 | \r |
3a10d471 | 1247 | //\r |
1248 | // valid device type and peripheral qualifier combination.\r | |
1249 | //\r | |
1250 | ScsiIoDevice->ScsiDeviceType = InquiryData.Peripheral_Type;\r | |
fbfa4a1d | 1251 | ScsiIoDevice->RemovableDevice = InquiryData.Rmb;\r |
3a10d471 | 1252 | if (InquiryData.Version == 0) {\r |
1253 | ScsiIoDevice->ScsiVersion = 0;\r | |
1254 | } else {\r | |
1255 | //\r | |
1256 | // ANSI-approved version\r | |
1257 | //\r | |
379f83df | 1258 | ScsiIoDevice->ScsiVersion = (UINT8) (InquiryData.Version & 0x07);\r |
3a10d471 | 1259 | }\r |
1260 | \r | |
1261 | return TRUE;\r | |
1262 | }\r | |
70c94b3b | 1263 | \r |
1264 | \r | |
9beb888e | 1265 | /**\r |
1266 | Convert EFI_SCSI_IO_SCSI_REQUEST_PACKET packet to EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET packet.\r | |
1267 | \r | |
1268 | @param Packet The pointer of EFI_SCSI_IO_SCSI_REQUEST_PACKET\r | |
1269 | @param CommandPacket The pointer of EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET\r | |
1270 | \r | |
1271 | **/\r | |
70c94b3b | 1272 | EFI_STATUS\r |
1273 | EFIAPI\r | |
1274 | ScsiioToPassThruPacket (\r | |
1275 | IN EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet,\r | |
9beb888e | 1276 | OUT EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *CommandPacket\r |
70c94b3b | 1277 | )\r |
70c94b3b | 1278 | {\r |
1279 | //\r | |
1280 | //EFI 1.10 doesn't support Bi-Direction Command.\r | |
1281 | //\r | |
1282 | if (Packet->DataDirection == EFI_SCSI_IO_DATA_DIRECTION_BIDIRECTIONAL) {\r | |
1283 | return EFI_UNSUPPORTED;\r | |
1284 | }\r | |
c52fa98c | 1285 | \r |
70c94b3b | 1286 | ZeroMem (CommandPacket, sizeof (EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET));\r |
1287 | \r | |
1288 | CommandPacket->Timeout = Packet->Timeout;\r | |
1289 | CommandPacket->Cdb = Packet->Cdb;\r | |
1290 | CommandPacket->CdbLength = Packet->CdbLength;\r | |
1291 | CommandPacket->DataDirection = Packet->DataDirection;\r | |
1292 | CommandPacket->HostAdapterStatus = Packet->HostAdapterStatus;\r | |
1293 | CommandPacket->TargetStatus = Packet->TargetStatus;\r | |
1294 | CommandPacket->SenseData = Packet->SenseData;\r | |
1295 | CommandPacket->SenseDataLength = Packet->SenseDataLength;\r | |
1296 | \r | |
1297 | if (Packet->DataDirection == EFI_SCSI_IO_DATA_DIRECTION_READ) {\r | |
1298 | CommandPacket->DataBuffer = Packet->InDataBuffer;\r | |
1299 | CommandPacket->TransferLength = Packet->InTransferLength;\r | |
1300 | } else if (Packet->DataDirection == EFI_SCSI_IO_DATA_DIRECTION_WRITE) {\r | |
1301 | CommandPacket->DataBuffer = Packet->OutDataBuffer;\r | |
1302 | CommandPacket->TransferLength = Packet->OutTransferLength;\r | |
1303 | }\r | |
1304 | return EFI_SUCCESS;\r | |
1305 | }\r | |
1306 | \r | |
1307 | \r | |
9beb888e | 1308 | /**\r |
1309 | Convert EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET packet to EFI_SCSI_IO_SCSI_REQUEST_PACKET packet.\r | |
1310 | \r | |
1311 | @param ScsiPacket The pointer of EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET\r | |
1312 | @param Packet The pointer of EFI_SCSI_IO_SCSI_REQUEST_PACKET\r | |
1313 | \r | |
1314 | **/\r | |
70c94b3b | 1315 | EFI_STATUS\r |
1316 | EFIAPI\r | |
1317 | PassThruToScsiioPacket (\r | |
1318 | IN EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *ScsiPacket,\r | |
9beb888e | 1319 | OUT EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet\r |
70c94b3b | 1320 | )\r |
70c94b3b | 1321 | {\r |
1322 | Packet->Timeout = ScsiPacket->Timeout;\r | |
1323 | Packet->Cdb = ScsiPacket->Cdb;\r | |
1324 | Packet->CdbLength = ScsiPacket->CdbLength;\r | |
1325 | Packet->DataDirection = ScsiPacket->DataDirection;\r | |
1326 | Packet->HostAdapterStatus = ScsiPacket->HostAdapterStatus;\r | |
1327 | Packet->TargetStatus = ScsiPacket->TargetStatus;\r | |
1328 | Packet->SenseData = ScsiPacket->SenseData;\r | |
1329 | Packet->SenseDataLength = ScsiPacket->SenseDataLength;\r | |
1330 | \r | |
1331 | if (ScsiPacket->DataDirection == EFI_SCSI_IO_DATA_DIRECTION_READ) {\r | |
1332 | Packet->InDataBuffer = ScsiPacket->DataBuffer;\r | |
1333 | Packet->InTransferLength = ScsiPacket->TransferLength;\r | |
1334 | } else if (Packet->DataDirection == EFI_SCSI_IO_DATA_DIRECTION_WRITE) {\r | |
1335 | Packet->OutDataBuffer = ScsiPacket->DataBuffer;\r | |
1336 | Packet->OutTransferLength = ScsiPacket->TransferLength;\r | |
1337 | }\r | |
c52fa98c | 1338 | \r |
70c94b3b | 1339 | return EFI_SUCCESS;\r |
1340 | }\r | |
1341 | \r | |
9beb888e | 1342 | /**\r |
1343 | Notify Function in which convert EFI1.0 PassThru Packet back to UEF2.0\r | |
1344 | SCSI IO Packet.\r | |
70c94b3b | 1345 | \r |
9beb888e | 1346 | @param Event The instance of EFI_EVENT.\r |
1347 | @param Context The parameter passed in.\r | |
70c94b3b | 1348 | \r |
9beb888e | 1349 | **/\r |
70c94b3b | 1350 | VOID\r |
1351 | EFIAPI\r | |
1352 | NotifyFunction (\r | |
9beb888e | 1353 | IN EFI_EVENT Event,\r |
1354 | IN VOID *Context\r | |
70c94b3b | 1355 | )\r |
70c94b3b | 1356 | {\r |
1357 | EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet;\r | |
1358 | EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *ScsiPacket;\r | |
1359 | EFI_EVENT CallerEvent;\r | |
c52fa98c | 1360 | SCSI_EVENT_DATA *PassData;\r |
70c94b3b | 1361 | \r |
1362 | PassData = (SCSI_EVENT_DATA*)Context;\r | |
1363 | Packet = (EFI_SCSI_IO_SCSI_REQUEST_PACKET *)PassData->Data1;\r | |
9beb888e | 1364 | ScsiPacket = (EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET*)mWorkingBuffer;\r |
70c94b3b | 1365 | \r |
1366 | //\r | |
1367 | // Convert EFI1.0 PassThru packet to UEFI2.0 SCSI IO Packet.\r | |
1368 | //\r | |
1369 | PassThruToScsiioPacket(ScsiPacket, Packet);\r | |
c52fa98c | 1370 | \r |
70c94b3b | 1371 | //\r |
1372 | // After converting EFI1.0 PassThru Packet back to UEFI2.0 SCSI IO Packet,\r | |
9beb888e | 1373 | // free mWorkingBuffer.\r |
70c94b3b | 1374 | //\r |
9beb888e | 1375 | gBS->FreePool(mWorkingBuffer);\r |
70c94b3b | 1376 | \r |
1377 | //\r | |
1378 | // Signal Event to tell caller to pick up UEFI2.0 SCSI IO Packet.\r | |
1379 | //\r | |
1380 | CallerEvent = PassData->Data2;\r | |
1381 | gBS->CloseEvent(Event);\r | |
1382 | gBS->SignalEvent(CallerEvent);\r | |
1383 | }\r | |
9beb888e | 1384 | \r |