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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 |
d548f0a1 | 5 | Copyright (c) 2006 - 2010, 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 |
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 |
f36d6e66 | 432 | ScsiBusDev->ExtScsiInterface->GetTargetLun (ScsiBusDev->ExtScsiInterface, RemainingDevicePath, &TargetId, &Lun); \r |
70c94b3b | 433 | } else {\r |
d548f0a1 | 434 | ScsiBusDev->ScsiInterface->GetTargetLun (ScsiBusDev->ScsiInterface, RemainingDevicePath, &ScsiTargetId.ScsiId.Scsi, &Lun);\r |
70c94b3b | 435 | }\r |
af4a6385 | 436 | \r |
437 | } else {\r | |
438 | //\r | |
439 | // If RemainingDevicePath is the End of Device Path Node,\r | |
440 | // skip enumerate any device and return EFI_SUCESSS\r | |
441 | // \r | |
442 | ScanOtherPuns = FALSE;\r | |
3a10d471 | 443 | }\r |
444 | \r | |
70c94b3b | 445 | while(ScanOtherPuns) {\r |
446 | if (FromFirstTarget) {\r | |
3a10d471 | 447 | //\r |
448 | // Remaining Device Path is NULL, scan all the possible Puns in the\r | |
449 | // SCSI Channel.\r | |
450 | //\r | |
70c94b3b | 451 | if (ScsiBusDev->ExtScsiSupport) {\r |
452 | Status = ScsiBusDev->ExtScsiInterface->GetNextTargetLun (ScsiBusDev->ExtScsiInterface, &TargetId, &Lun);\r | |
453 | } else {\r | |
d548f0a1 | 454 | Status = ScsiBusDev->ScsiInterface->GetNextDevice (ScsiBusDev->ScsiInterface, &ScsiTargetId.ScsiId.Scsi, &Lun);\r |
70c94b3b | 455 | }\r |
3a10d471 | 456 | if (EFI_ERROR (Status)) {\r |
457 | //\r | |
458 | // no legal Pun and Lun found any more\r | |
459 | //\r | |
460 | break;\r | |
461 | }\r | |
462 | } else {\r | |
3a10d471 | 463 | ScanOtherPuns = FALSE;\r |
464 | }\r | |
3a10d471 | 465 | //\r |
466 | // Avoid creating handle for the host adapter.\r | |
467 | //\r | |
70c94b3b | 468 | if (ScsiBusDev->ExtScsiSupport) {\r |
d548f0a1 | 469 | if ((ScsiTargetId.ScsiId.Scsi) == ScsiBusDev->ExtScsiInterface->Mode->AdapterId) {\r |
70c94b3b | 470 | continue;\r |
471 | }\r | |
472 | } else {\r | |
d548f0a1 | 473 | if ((ScsiTargetId.ScsiId.Scsi) == ScsiBusDev->ScsiInterface->Mode->AdapterId) {\r |
70c94b3b | 474 | continue;\r |
475 | }\r | |
3a10d471 | 476 | }\r |
3a10d471 | 477 | //\r |
478 | // Scan for the scsi device, if it attaches to the scsi bus,\r | |
479 | // then create handle and install scsi i/o protocol.\r | |
480 | //\r | |
d548f0a1 | 481 | Status = ScsiScanCreateDevice (This, Controller, &ScsiTargetId, Lun, ScsiBusDev);\r |
3a10d471 | 482 | }\r |
f36d6e66 | 483 | return EFI_SUCCESS;\r |
9b38ff34 | 484 | \r |
f36d6e66 | 485 | ErrorExit:\r |
486 | \r | |
487 | if (ScsiBusDev != NULL) {\r | |
9b38ff34 | 488 | FreePool (ScsiBusDev);\r |
f36d6e66 | 489 | }\r |
490 | \r | |
491 | if (ExtScsiSupport) {\r | |
492 | gBS->CloseProtocol (\r | |
493 | Controller,\r | |
494 | &gEfiExtScsiPassThruProtocolGuid,\r | |
495 | This->DriverBindingHandle,\r | |
496 | Controller\r | |
497 | );\r | |
498 | if (!EFI_ERROR (PassThruStatus)) {\r | |
499 | gBS->CloseProtocol (\r | |
500 | Controller,\r | |
501 | &gEfiScsiPassThruProtocolGuid,\r | |
502 | This->DriverBindingHandle,\r | |
503 | Controller\r | |
504 | );\r | |
505 | }\r | |
506 | } else {\r | |
507 | gBS->CloseProtocol (\r | |
508 | Controller,\r | |
509 | &gEfiScsiPassThruProtocolGuid,\r | |
510 | This->DriverBindingHandle,\r | |
511 | Controller\r | |
512 | );\r | |
513 | }\r | |
3a10d471 | 514 | return Status;\r |
515 | }\r | |
516 | \r | |
9beb888e | 517 | /**\r |
518 | Stop this driver on ControllerHandle.\r | |
519 | \r | |
520 | This service is called by the EFI boot service DisconnectController().\r | |
521 | In order to make drivers as small as possible, there are a few calling\r | |
522 | restrictions for this service. DisconnectController() must follow these\r | |
523 | calling restrictions. If any other agent wishes to call Stop() it must also\r | |
524 | follow these calling restrictions.\r | |
525 | \r | |
526 | @param This Protocol instance pointer.\r | |
527 | @param ControllerHandle Handle of device to stop driver on\r | |
528 | @param NumberOfChildren Number of Handles in ChildHandleBuffer. If number of\r | |
529 | children is zero stop the entire bus driver.\r | |
530 | @param ChildHandleBuffer List of Child Handles to Stop.\r | |
531 | \r | |
532 | @retval EFI_SUCCESS This driver is removed ControllerHandle\r | |
533 | @retval other This driver was not removed from this device\r | |
534 | \r | |
535 | **/\r | |
3a10d471 | 536 | EFI_STATUS\r |
537 | EFIAPI\r | |
538 | SCSIBusDriverBindingStop (\r | |
539 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
540 | IN EFI_HANDLE Controller,\r | |
541 | IN UINTN NumberOfChildren,\r | |
542 | IN EFI_HANDLE *ChildHandleBuffer\r | |
543 | )\r | |
3a10d471 | 544 | {\r |
545 | EFI_STATUS Status;\r | |
546 | BOOLEAN AllChildrenStopped;\r | |
547 | UINTN Index;\r | |
548 | EFI_SCSI_IO_PROTOCOL *ScsiIo;\r | |
549 | SCSI_IO_DEV *ScsiIoDevice;\r | |
70c94b3b | 550 | VOID *ScsiPassThru;\r |
551 | EFI_SCSI_BUS_PROTOCOL *Scsidentifier;\r | |
552 | SCSI_BUS_DEVICE *ScsiBusDev;\r | |
3a10d471 | 553 | \r |
554 | if (NumberOfChildren == 0) {\r | |
70c94b3b | 555 | //\r |
556 | // Get the SCSI_BUS_DEVICE\r | |
557 | //\r | |
558 | Status = gBS->OpenProtocol (\r | |
559 | Controller,\r | |
560 | &mScsiBusProtocolGuid,\r | |
561 | (VOID **) &Scsidentifier,\r | |
562 | This->DriverBindingHandle,\r | |
563 | Controller,\r | |
564 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
565 | );\r | |
c52fa98c | 566 | \r |
70c94b3b | 567 | if (EFI_ERROR (Status)) {\r |
568 | return EFI_DEVICE_ERROR;\r | |
569 | }\r | |
570 | \r | |
571 | ScsiBusDev = SCSI_BUS_CONTROLLER_DEVICE_FROM_THIS (Scsidentifier);\r | |
572 | \r | |
573 | //\r | |
574 | // Uninstall SCSI Bus Protocol\r | |
575 | //\r | |
576 | gBS->UninstallProtocolInterface (\r | |
577 | Controller,\r | |
578 | &mScsiBusProtocolGuid,\r | |
579 | &ScsiBusDev->BusIdentify\r | |
580 | );\r | |
c52fa98c | 581 | \r |
3a10d471 | 582 | //\r |
583 | // Close the bus driver\r | |
584 | //\r | |
70c94b3b | 585 | if (ScsiBusDev->ExtScsiSupport) {\r |
1e5914b5 | 586 | //\r |
587 | // Close ExtPassThru Protocol from this controller handle\r | |
588 | //\r | |
70c94b3b | 589 | gBS->CloseProtocol (\r |
590 | Controller,\r | |
591 | &gEfiExtScsiPassThruProtocolGuid,\r | |
592 | This->DriverBindingHandle,\r | |
593 | Controller\r | |
594 | );\r | |
1e5914b5 | 595 | //\r |
596 | // When Start() succeeds to open ExtPassThru, it always tries to open PassThru BY_DRIVER.\r | |
597 | // Its intent is to prevent another SCSI Bus Driver from woking on the same host handle. \r | |
598 | // So Stop() needs to try to close PassThru if present here.\r | |
599 | //\r | |
600 | gBS->CloseProtocol (\r | |
601 | Controller,\r | |
602 | &gEfiScsiPassThruProtocolGuid,\r | |
603 | This->DriverBindingHandle,\r | |
604 | Controller\r | |
605 | );\r | |
70c94b3b | 606 | } else {\r |
607 | gBS->CloseProtocol (\r | |
608 | Controller,\r | |
609 | &gEfiScsiPassThruProtocolGuid,\r | |
610 | This->DriverBindingHandle,\r | |
611 | Controller\r | |
612 | );\r | |
613 | }\r | |
3a10d471 | 614 | \r |
70c94b3b | 615 | gBS->CloseProtocol (\r |
616 | Controller,\r | |
617 | &gEfiDevicePathProtocolGuid,\r | |
618 | This->DriverBindingHandle,\r | |
619 | Controller\r | |
620 | );\r | |
6c94a00d | 621 | FreePool (ScsiBusDev);\r |
3a10d471 | 622 | return EFI_SUCCESS;\r |
623 | }\r | |
624 | \r | |
625 | AllChildrenStopped = TRUE;\r | |
626 | \r | |
627 | for (Index = 0; Index < NumberOfChildren; Index++) {\r | |
628 | \r | |
629 | Status = gBS->OpenProtocol (\r | |
630 | ChildHandleBuffer[Index],\r | |
631 | &gEfiScsiIoProtocolGuid,\r | |
632 | (VOID **) &ScsiIo,\r | |
633 | This->DriverBindingHandle,\r | |
634 | Controller,\r | |
635 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
636 | );\r | |
637 | if (EFI_ERROR (Status)) {\r | |
638 | AllChildrenStopped = FALSE;\r | |
639 | continue;\r | |
640 | }\r | |
641 | \r | |
642 | ScsiIoDevice = SCSI_IO_DEV_FROM_THIS (ScsiIo);\r | |
643 | //\r | |
644 | // Close the child handle\r | |
645 | //\r | |
70c94b3b | 646 | if (ScsiIoDevice->ExtScsiSupport) {\r |
647 | Status = gBS->CloseProtocol (\r | |
648 | Controller,\r | |
649 | &gEfiExtScsiPassThruProtocolGuid,\r | |
650 | This->DriverBindingHandle,\r | |
651 | ChildHandleBuffer[Index]\r | |
652 | );\r | |
653 | \r | |
654 | } else {\r | |
655 | Status = gBS->CloseProtocol (\r | |
656 | Controller,\r | |
657 | &gEfiScsiPassThruProtocolGuid,\r | |
658 | This->DriverBindingHandle,\r | |
659 | ChildHandleBuffer[Index]\r | |
660 | );\r | |
661 | }\r | |
3a10d471 | 662 | \r |
663 | Status = gBS->UninstallMultipleProtocolInterfaces (\r | |
664 | ChildHandleBuffer[Index],\r | |
665 | &gEfiDevicePathProtocolGuid,\r | |
666 | ScsiIoDevice->DevicePath,\r | |
667 | &gEfiScsiIoProtocolGuid,\r | |
668 | &ScsiIoDevice->ScsiIo,\r | |
669 | NULL\r | |
670 | );\r | |
671 | if (EFI_ERROR (Status)) {\r | |
672 | AllChildrenStopped = FALSE;\r | |
70c94b3b | 673 | if (ScsiIoDevice->ExtScsiSupport) {\r |
674 | gBS->OpenProtocol (\r | |
675 | Controller,\r | |
676 | &gEfiExtScsiPassThruProtocolGuid,\r | |
84b5c78e | 677 | &ScsiPassThru,\r |
70c94b3b | 678 | This->DriverBindingHandle,\r |
679 | ChildHandleBuffer[Index],\r | |
680 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r | |
681 | );\r | |
682 | } else {\r | |
683 | gBS->OpenProtocol (\r | |
684 | Controller,\r | |
685 | &gEfiScsiPassThruProtocolGuid,\r | |
84b5c78e | 686 | &ScsiPassThru,\r |
70c94b3b | 687 | This->DriverBindingHandle,\r |
688 | ChildHandleBuffer[Index],\r | |
689 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r | |
690 | );\r | |
691 | }\r | |
3a10d471 | 692 | } else {\r |
6c94a00d | 693 | FreePool (ScsiIoDevice);\r |
3a10d471 | 694 | }\r |
695 | }\r | |
696 | \r | |
697 | if (!AllChildrenStopped) {\r | |
698 | return EFI_DEVICE_ERROR;\r | |
699 | }\r | |
700 | \r | |
701 | return EFI_SUCCESS;\r | |
702 | }\r | |
703 | \r | |
9beb888e | 704 | \r |
705 | /**\r | |
706 | Retrieves the device type information of the SCSI Controller.\r | |
707 | \r | |
708 | @param This Protocol instance pointer.\r | |
709 | @param DeviceType A pointer to the device type information retrieved from\r | |
710 | the SCSI Controller. \r | |
711 | \r | |
712 | @retval EFI_SUCCESS Retrieves the device type information successfully.\r | |
713 | @retval EFI_INVALID_PARAMETER The DeviceType is NULL.\r | |
714 | \r | |
715 | **/\r | |
3a10d471 | 716 | EFI_STATUS\r |
717 | EFIAPI\r | |
718 | ScsiGetDeviceType (\r | |
719 | IN EFI_SCSI_IO_PROTOCOL *This,\r | |
720 | OUT UINT8 *DeviceType\r | |
721 | )\r | |
3a10d471 | 722 | {\r |
723 | SCSI_IO_DEV *ScsiIoDevice;\r | |
724 | \r | |
725 | if (DeviceType == NULL) {\r | |
726 | return EFI_INVALID_PARAMETER;\r | |
727 | }\r | |
728 | \r | |
729 | ScsiIoDevice = SCSI_IO_DEV_FROM_THIS (This);\r | |
730 | *DeviceType = ScsiIoDevice->ScsiDeviceType;\r | |
731 | return EFI_SUCCESS;\r | |
732 | }\r | |
733 | \r | |
9beb888e | 734 | \r |
735 | /**\r | |
736 | Retrieves the device location in the SCSI channel.\r | |
737 | \r | |
738 | @param This Protocol instance pointer.\r | |
739 | @param Target A pointer to the Target ID of a SCSI device\r | |
740 | on the SCSI channel.\r | |
741 | @param Lun A pointer to the LUN of the SCSI device on\r | |
742 | the SCSI channel.\r | |
743 | \r | |
744 | @retval EFI_SUCCESS Retrieves the device location successfully.\r | |
745 | @retval EFI_INVALID_PARAMETER The Target or Lun is NULL.\r | |
746 | \r | |
747 | **/\r | |
3a10d471 | 748 | EFI_STATUS\r |
749 | EFIAPI\r | |
750 | ScsiGetDeviceLocation (\r | |
751 | IN EFI_SCSI_IO_PROTOCOL *This,\r | |
70c94b3b | 752 | IN OUT UINT8 **Target,\r |
3a10d471 | 753 | OUT UINT64 *Lun\r |
754 | )\r | |
3a10d471 | 755 | {\r |
756 | SCSI_IO_DEV *ScsiIoDevice;\r | |
757 | \r | |
758 | if (Target == NULL || Lun == NULL) {\r | |
759 | return EFI_INVALID_PARAMETER;\r | |
760 | }\r | |
761 | \r | |
f36d6e66 | 762 | ScsiIoDevice = SCSI_IO_DEV_FROM_THIS (This);\r |
3a10d471 | 763 | \r |
70c94b3b | 764 | CopyMem (*Target,&ScsiIoDevice->Pun, TARGET_MAX_BYTES);\r |
765 | \r | |
f36d6e66 | 766 | *Lun = ScsiIoDevice->Lun;\r |
3a10d471 | 767 | \r |
768 | return EFI_SUCCESS;\r | |
769 | }\r | |
770 | \r | |
9beb888e | 771 | /**\r |
772 | Resets the SCSI Bus that the SCSI Controller is attached to.\r | |
773 | \r | |
774 | @param This Protocol instance pointer.\r | |
775 | \r | |
776 | @retval EFI_SUCCESS The SCSI bus is reset successfully.\r | |
777 | @retval EFI_DEVICE_ERROR Errors encountered when resetting the SCSI bus.\r | |
778 | @retval EFI_UNSUPPORTED The bus reset operation is not supported by the\r | |
779 | SCSI Host Controller.\r | |
780 | @retval EFI_TIMEOUT A timeout occurred while attempting to reset \r | |
781 | the SCSI bus.\r | |
782 | **/\r | |
3a10d471 | 783 | EFI_STATUS\r |
784 | EFIAPI\r | |
785 | ScsiResetBus (\r | |
786 | IN EFI_SCSI_IO_PROTOCOL *This\r | |
787 | )\r | |
3a10d471 | 788 | {\r |
789 | SCSI_IO_DEV *ScsiIoDevice;\r | |
790 | \r | |
791 | ScsiIoDevice = SCSI_IO_DEV_FROM_THIS (This);\r | |
792 | \r | |
70c94b3b | 793 | if (ScsiIoDevice->ExtScsiSupport){\r |
794 | return ScsiIoDevice->ExtScsiPassThru->ResetChannel (ScsiIoDevice->ExtScsiPassThru);\r | |
795 | } else {\r | |
796 | return ScsiIoDevice->ScsiPassThru->ResetChannel (ScsiIoDevice->ScsiPassThru);\r | |
797 | }\r | |
3a10d471 | 798 | }\r |
799 | \r | |
9beb888e | 800 | \r |
801 | /**\r | |
802 | Resets the SCSI Controller that the device handle specifies.\r | |
803 | \r | |
804 | @param This Protocol instance pointer.\r | |
805 | \r | |
806 | @retval EFI_SUCCESS Reset the SCSI controller successfully.\r | |
807 | @retval EFI_DEVICE_ERROR Errors are encountered when resetting the SCSI Controller.\r | |
808 | @retval EFI_UNSUPPORTED The SCSI bus does not support a device reset operation.\r | |
809 | @retval EFI_TIMEOUT A timeout occurred while attempting to reset the\r | |
810 | SCSI Controller.\r | |
811 | **/\r | |
3a10d471 | 812 | EFI_STATUS\r |
813 | EFIAPI\r | |
814 | ScsiResetDevice (\r | |
815 | IN EFI_SCSI_IO_PROTOCOL *This\r | |
816 | )\r | |
3a10d471 | 817 | {\r |
f36d6e66 | 818 | SCSI_IO_DEV *ScsiIoDevice;\r |
70c94b3b | 819 | UINT8 Target[TARGET_MAX_BYTES];\r |
3a10d471 | 820 | \r |
821 | ScsiIoDevice = SCSI_IO_DEV_FROM_THIS (This);\r | |
70c94b3b | 822 | CopyMem (Target,&ScsiIoDevice->Pun, TARGET_MAX_BYTES);\r |
823 | \r | |
3a10d471 | 824 | \r |
70c94b3b | 825 | if (ScsiIoDevice->ExtScsiSupport) {\r |
826 | return ScsiIoDevice->ExtScsiPassThru->ResetTargetLun (\r | |
827 | ScsiIoDevice->ExtScsiPassThru,\r | |
828 | Target,\r | |
829 | ScsiIoDevice->Lun\r | |
830 | );\r | |
831 | } else {\r | |
832 | return ScsiIoDevice->ScsiPassThru->ResetTarget (\r | |
833 | ScsiIoDevice->ScsiPassThru,\r | |
834 | ScsiIoDevice->Pun.ScsiId.Scsi,\r | |
835 | ScsiIoDevice->Lun\r | |
836 | );\r | |
837 | }\r | |
3a10d471 | 838 | }\r |
839 | \r | |
f36d6e66 | 840 | \r |
9beb888e | 841 | /**\r |
f36d6e66 | 842 | Sends a SCSI Request Packet to the SCSI Controller for execution.\r |
f36d6e66 | 843 | \r |
9beb888e | 844 | @param This Protocol instance pointer.\r |
845 | @param CommandPacket The SCSI request packet to send to the SCSI \r | |
f36d6e66 | 846 | Controller specified by the device handle.\r |
9beb888e | 847 | @param Event If the SCSI bus where the SCSI device is attached\r |
f36d6e66 | 848 | does not support non-blocking I/O, then Event is \r |
849 | ignored, and blocking I/O is performed. \r | |
850 | If Event is NULL, then blocking I/O is performed.\r | |
851 | If Event is not NULL and non-blocking I/O is \r | |
852 | supported, then non-blocking I/O is performed,\r | |
853 | and Event will be signaled when the SCSI Request\r | |
854 | Packet completes.\r | |
9beb888e | 855 | \r |
856 | @retval EFI_SUCCESS The SCSI Request Packet was sent by the host \r | |
857 | successfully, and TransferLength bytes were \r | |
858 | transferred to/from DataBuffer.See \r | |
859 | HostAdapterStatus, TargetStatus, \r | |
860 | SenseDataLength, and SenseData in that order\r | |
861 | for additional status information.\r | |
862 | @retval EFI_BAD_BUFFER_SIZE The SCSI Request Packet was executed, \r | |
863 | but the entire DataBuffer could not be transferred.\r | |
864 | The actual number of bytes transferred is returned\r | |
865 | in TransferLength. See HostAdapterStatus, \r | |
866 | TargetStatus, SenseDataLength, and SenseData in \r | |
867 | that order for additional status information.\r | |
868 | @retval EFI_NOT_READY The SCSI Request Packet could not be sent because \r | |
869 | there are too many SCSI Command Packets already \r | |
870 | queued.The caller may retry again later.\r | |
871 | @retval EFI_DEVICE_ERROR A device error occurred while attempting to send \r | |
872 | the SCSI Request Packet. See HostAdapterStatus, \r | |
873 | TargetStatus, SenseDataLength, and SenseData in \r | |
874 | that order for additional status information.\r | |
875 | @retval EFI_INVALID_PARAMETER The contents of CommandPacket are invalid. \r | |
876 | The SCSI Request Packet was not sent, so no \r | |
877 | additional status information is available.\r | |
878 | @retval EFI_UNSUPPORTED The command described by the SCSI Request Packet\r | |
879 | is not supported by the SCSI initiator(i.e., SCSI \r | |
880 | Host Controller). The SCSI Request Packet was not\r | |
881 | sent, so no additional status information is \r | |
882 | available.\r | |
883 | @retval EFI_TIMEOUT A timeout occurred while waiting for the SCSI \r | |
884 | Request Packet to execute. See HostAdapterStatus,\r | |
885 | TargetStatus, SenseDataLength, and SenseData in \r | |
886 | that order for additional status information.\r | |
887 | **/\r | |
888 | EFI_STATUS\r | |
889 | EFIAPI\r | |
890 | ScsiExecuteSCSICommand (\r | |
891 | IN EFI_SCSI_IO_PROTOCOL *This,\r | |
892 | IN OUT EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet,\r | |
893 | IN EFI_EVENT Event OPTIONAL\r | |
894 | )\r | |
3a10d471 | 895 | {\r |
f36d6e66 | 896 | SCSI_IO_DEV *ScsiIoDevice;\r |
897 | EFI_STATUS Status;\r | |
70c94b3b | 898 | UINT8 Target[TARGET_MAX_BYTES];\r |
899 | EFI_EVENT PacketEvent;\r | |
900 | EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *ExtRequestPacket;\r | |
f36d6e66 | 901 | SCSI_EVENT_DATA EventData; \r |
3a10d471 | 902 | \r |
70c94b3b | 903 | PacketEvent = NULL;\r |
f36d6e66 | 904 | \r |
3a10d471 | 905 | if (Packet == NULL) {\r |
906 | return EFI_INVALID_PARAMETER;\r | |
907 | }\r | |
908 | \r | |
909 | ScsiIoDevice = SCSI_IO_DEV_FROM_THIS (This);\r | |
70c94b3b | 910 | CopyMem (Target,&ScsiIoDevice->Pun, TARGET_MAX_BYTES);\r |
c52fa98c | 911 | \r |
70c94b3b | 912 | if (ScsiIoDevice->ExtScsiSupport) {\r |
913 | ExtRequestPacket = (EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *) Packet;\r | |
914 | Status = ScsiIoDevice->ExtScsiPassThru->PassThru (\r | |
915 | ScsiIoDevice->ExtScsiPassThru,\r | |
916 | Target,\r | |
917 | ScsiIoDevice->Lun,\r | |
918 | ExtRequestPacket,\r | |
919 | Event\r | |
920 | );\r | |
921 | } else {\r | |
3a10d471 | 922 | \r |
9b38ff34 | 923 | mWorkingBuffer = AllocatePool (sizeof(EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET));\r |
3a10d471 | 924 | \r |
9b38ff34 | 925 | if (mWorkingBuffer == NULL) {\r |
70c94b3b | 926 | return EFI_DEVICE_ERROR;\r |
927 | }\r | |
928 | \r | |
929 | //\r | |
c52fa98c | 930 | // Convert package into EFI1.0, EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET.\r |
70c94b3b | 931 | //\r |
9beb888e | 932 | Status = ScsiioToPassThruPacket(Packet, (EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET*)mWorkingBuffer);\r |
70c94b3b | 933 | if (EFI_ERROR(Status)) {\r |
9beb888e | 934 | FreePool(mWorkingBuffer);\r |
70c94b3b | 935 | return Status;\r |
936 | }\r | |
937 | \r | |
7077edb3 | 938 | if (((ScsiIoDevice->ScsiPassThru->Mode->Attributes & EFI_SCSI_PASS_THRU_ATTRIBUTES_NONBLOCKIO) != 0) && (Event != NULL)) {\r |
70c94b3b | 939 | EventData.Data1 = (VOID*)Packet;\r |
940 | EventData.Data2 = Event;\r | |
941 | //\r | |
942 | // Create Event\r | |
943 | //\r | |
944 | Status = gBS->CreateEvent (\r | |
945 | EVT_NOTIFY_SIGNAL,\r | |
946 | TPL_CALLBACK,\r | |
947 | NotifyFunction,\r | |
948 | &EventData,\r | |
949 | &PacketEvent\r | |
950 | );\r | |
951 | if (EFI_ERROR(Status)) {\r | |
9beb888e | 952 | FreePool(mWorkingBuffer);\r |
70c94b3b | 953 | return Status;\r |
954 | }\r | |
c52fa98c | 955 | \r |
70c94b3b | 956 | Status = ScsiIoDevice->ScsiPassThru->PassThru (\r |
957 | ScsiIoDevice->ScsiPassThru,\r | |
958 | ScsiIoDevice->Pun.ScsiId.Scsi,\r | |
959 | ScsiIoDevice->Lun,\r | |
9beb888e | 960 | mWorkingBuffer,\r |
70c94b3b | 961 | PacketEvent\r |
962 | );\r | |
963 | \r | |
964 | if (EFI_ERROR(Status)) {\r | |
9b38ff34 | 965 | FreePool(mWorkingBuffer);\r |
70c94b3b | 966 | gBS->CloseEvent(PacketEvent);\r |
967 | return Status;\r | |
968 | }\r | |
c52fa98c | 969 | \r |
70c94b3b | 970 | } else {\r |
971 | //\r | |
972 | // If there's no event or SCSI Device doesn't support NON-BLOCKING, just convert\r | |
973 | // EFI1.0 PassThru packet back to UEFI2.0 SCSI IO Packet.\r | |
974 | //\r | |
975 | Status = ScsiIoDevice->ScsiPassThru->PassThru (\r | |
976 | ScsiIoDevice->ScsiPassThru,\r | |
977 | ScsiIoDevice->Pun.ScsiId.Scsi,\r | |
978 | ScsiIoDevice->Lun,\r | |
9beb888e | 979 | mWorkingBuffer,\r |
70c94b3b | 980 | Event\r |
981 | );\r | |
982 | if (EFI_ERROR(Status)) {\r | |
9beb888e | 983 | FreePool(mWorkingBuffer);\r |
70c94b3b | 984 | return Status;\r |
985 | }\r | |
986 | \r | |
9beb888e | 987 | PassThruToScsiioPacket((EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET*)mWorkingBuffer,Packet);\r |
70c94b3b | 988 | //\r |
989 | // After converting EFI1.0 PassThru Packet back to UEFI2.0 SCSI IO Packet,\r | |
9beb888e | 990 | // free mWorkingBuffer.\r |
70c94b3b | 991 | //\r |
9beb888e | 992 | FreePool(mWorkingBuffer);\r |
70c94b3b | 993 | }\r |
994 | }\r | |
3a10d471 | 995 | return Status;\r |
996 | }\r | |
997 | \r | |
3a10d471 | 998 | \r |
9beb888e | 999 | /**\r |
70c94b3b | 1000 | Scan SCSI Bus to discover the device, and attach ScsiIoProtocol to it.\r |
3a10d471 | 1001 | \r |
9beb888e | 1002 | @param This Protocol instance pointer\r |
1003 | @param Controller Controller handle\r | |
1004 | @param TargetId Tartget to be scanned\r | |
1005 | @param Lun The Lun of the SCSI device on the SCSI channel.\r | |
1006 | @param ScsiBusDev The pointer of SCSI_BUS_DEVICE\r | |
3a10d471 | 1007 | \r |
9beb888e | 1008 | @retval EFI_SUCCESS Successfully to discover the device and attach\r |
1009 | ScsiIoProtocol to it.\r | |
1010 | @retval EFI_OUT_OF_RESOURCES Fail to discover the device.\r | |
3a10d471 | 1011 | \r |
9beb888e | 1012 | **/\r |
1013 | EFI_STATUS\r | |
1014 | EFIAPI\r | |
1015 | ScsiScanCreateDevice (\r | |
1016 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
1017 | IN EFI_HANDLE Controller,\r | |
1018 | IN SCSI_TARGET_ID *TargetId,\r | |
1019 | IN UINT64 Lun,\r | |
1020 | IN OUT SCSI_BUS_DEVICE *ScsiBusDev\r | |
1021 | )\r | |
3a10d471 | 1022 | {\r |
1023 | EFI_STATUS Status;\r | |
1024 | SCSI_IO_DEV *ScsiIoDevice;\r | |
1025 | EFI_DEVICE_PATH_PROTOCOL *ScsiDevicePath;\r | |
1026 | \r | |
9beb888e | 1027 | ScsiIoDevice = AllocateZeroPool (sizeof (SCSI_IO_DEV));\r |
1028 | if (ScsiIoDevice == NULL) {\r | |
1029 | return EFI_OUT_OF_RESOURCES;\r | |
3a10d471 | 1030 | }\r |
1031 | \r | |
3a10d471 | 1032 | ScsiIoDevice->Signature = SCSI_IO_DEV_SIGNATURE;\r |
70c94b3b | 1033 | CopyMem(&ScsiIoDevice->Pun, TargetId, TARGET_MAX_BYTES);\r |
3a10d471 | 1034 | ScsiIoDevice->Lun = Lun;\r |
1035 | \r | |
70c94b3b | 1036 | if (ScsiBusDev->ExtScsiSupport) {\r |
1037 | ScsiIoDevice->ExtScsiPassThru = ScsiBusDev->ExtScsiInterface;\r | |
1038 | ScsiIoDevice->ExtScsiSupport = TRUE;\r | |
1039 | ScsiIoDevice->ScsiIo.IoAlign = ScsiIoDevice->ExtScsiPassThru->Mode->IoAlign;\r | |
1040 | \r | |
1041 | } else {\r | |
1042 | ScsiIoDevice->ScsiPassThru = ScsiBusDev->ScsiInterface;\r | |
1043 | ScsiIoDevice->ExtScsiSupport = FALSE;\r | |
1044 | ScsiIoDevice->ScsiIo.IoAlign = ScsiIoDevice->ScsiPassThru->Mode->IoAlign;\r | |
1045 | }\r | |
1046 | \r | |
3a10d471 | 1047 | ScsiIoDevice->ScsiIo.GetDeviceType = ScsiGetDeviceType;\r |
70c94b3b | 1048 | ScsiIoDevice->ScsiIo.GetDeviceLocation = ScsiGetDeviceLocation;\r |
3a10d471 | 1049 | ScsiIoDevice->ScsiIo.ResetBus = ScsiResetBus;\r |
1050 | ScsiIoDevice->ScsiIo.ResetDevice = ScsiResetDevice;\r | |
24e734d2 | 1051 | ScsiIoDevice->ScsiIo.ExecuteScsiCommand = ScsiExecuteSCSICommand;\r |
3a10d471 | 1052 | \r |
70c94b3b | 1053 | \r |
3a10d471 | 1054 | if (!DiscoverScsiDevice (ScsiIoDevice)) {\r |
9beb888e | 1055 | FreePool (ScsiIoDevice);\r |
70c94b3b | 1056 | return EFI_OUT_OF_RESOURCES;\r |
3a10d471 | 1057 | }\r |
70c94b3b | 1058 | \r |
3a10d471 | 1059 | //\r |
1060 | // Set Device Path\r | |
1061 | //\r | |
6c94a00d | 1062 | ScsiDevicePath = NULL;\r |
70c94b3b | 1063 | if (ScsiIoDevice->ExtScsiSupport){\r |
1064 | Status = ScsiIoDevice->ExtScsiPassThru->BuildDevicePath (\r | |
1065 | ScsiIoDevice->ExtScsiPassThru,\r | |
1066 | &ScsiIoDevice->Pun.ScsiId.ExtScsi[0],\r | |
1067 | ScsiIoDevice->Lun,\r | |
1068 | &ScsiDevicePath\r | |
1069 | );\r | |
70c94b3b | 1070 | } else {\r |
1071 | Status = ScsiIoDevice->ScsiPassThru->BuildDevicePath (\r | |
1072 | ScsiIoDevice->ScsiPassThru,\r | |
1073 | ScsiIoDevice->Pun.ScsiId.Scsi,\r | |
1074 | ScsiIoDevice->Lun,\r | |
1075 | &ScsiDevicePath\r | |
1076 | );\r | |
1068a653 | 1077 | }\r |
1078 | \r | |
ef13cf23 | 1079 | if (EFI_ERROR(Status)) {\r |
1068a653 | 1080 | FreePool (ScsiIoDevice);\r |
1081 | return Status;\r | |
3a10d471 | 1082 | }\r |
c52fa98c | 1083 | \r |
3a10d471 | 1084 | ScsiIoDevice->DevicePath = AppendDevicePathNode (\r |
70c94b3b | 1085 | ScsiBusDev->DevicePath,\r |
3a10d471 | 1086 | ScsiDevicePath\r |
1087 | );\r | |
1088 | //\r | |
1089 | // The memory space for ScsiDevicePath is allocated in\r | |
1090 | // ScsiPassThru->BuildDevicePath() function; It is no longer used\r | |
1091 | // after EfiAppendDevicePathNode,so free the memory it occupies.\r | |
1092 | //\r | |
6c94a00d | 1093 | FreePool (ScsiDevicePath);\r |
3a10d471 | 1094 | \r |
1095 | if (ScsiIoDevice->DevicePath == NULL) {\r | |
6c94a00d | 1096 | FreePool (ScsiIoDevice);\r |
3a10d471 | 1097 | return EFI_OUT_OF_RESOURCES;\r |
1098 | }\r | |
c52fa98c | 1099 | \r |
3a10d471 | 1100 | Status = gBS->InstallMultipleProtocolInterfaces (\r |
1101 | &ScsiIoDevice->Handle,\r | |
1102 | &gEfiDevicePathProtocolGuid,\r | |
1103 | ScsiIoDevice->DevicePath,\r | |
1104 | &gEfiScsiIoProtocolGuid,\r | |
1105 | &ScsiIoDevice->ScsiIo,\r | |
1106 | NULL\r | |
1107 | );\r | |
1108 | if (EFI_ERROR (Status)) {\r | |
1068a653 | 1109 | FreePool (ScsiIoDevice->DevicePath);\r |
9b38ff34 | 1110 | FreePool (ScsiIoDevice);\r |
70c94b3b | 1111 | return EFI_OUT_OF_RESOURCES;\r |
3a10d471 | 1112 | } else {\r |
70c94b3b | 1113 | if (ScsiBusDev->ExtScsiSupport) {\r |
1114 | gBS->OpenProtocol (\r | |
1115 | Controller,\r | |
1116 | &gEfiExtScsiPassThruProtocolGuid,\r | |
1117 | (VOID **) &(ScsiBusDev->ExtScsiInterface),\r | |
1118 | This->DriverBindingHandle,\r | |
1119 | ScsiIoDevice->Handle,\r | |
1120 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r | |
1121 | );\r | |
1122 | } else {\r | |
1123 | gBS->OpenProtocol (\r | |
1124 | Controller,\r | |
1125 | &gEfiScsiPassThruProtocolGuid,\r | |
1126 | (VOID **) &(ScsiBusDev->ScsiInterface),\r | |
1127 | This->DriverBindingHandle,\r | |
1128 | ScsiIoDevice->Handle,\r | |
1129 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r | |
1130 | );\r | |
1131 | }\r | |
3a10d471 | 1132 | }\r |
3a10d471 | 1133 | return EFI_SUCCESS;\r |
1134 | }\r | |
1135 | \r | |
3a10d471 | 1136 | \r |
9beb888e | 1137 | /**\r |
70c94b3b | 1138 | Discovery SCSI Device\r |
3a10d471 | 1139 | \r |
9beb888e | 1140 | @param ScsiIoDevice The pointer of SCSI_IO_DEV\r |
3a10d471 | 1141 | \r |
9beb888e | 1142 | @retval TRUE Find SCSI Device and verify it.\r |
1143 | @retval FALSE Unable to find SCSI Device.\r | |
3a10d471 | 1144 | \r |
9beb888e | 1145 | **/\r |
1146 | BOOLEAN\r | |
1147 | DiscoverScsiDevice (\r | |
1148 | IN OUT SCSI_IO_DEV *ScsiIoDevice\r | |
1149 | )\r | |
3a10d471 | 1150 | {\r |
1151 | EFI_STATUS Status;\r | |
3a10d471 | 1152 | UINT32 InquiryDataLength;\r |
3a10d471 | 1153 | UINT8 SenseDataLength;\r |
1154 | UINT8 HostAdapterStatus;\r | |
1155 | UINT8 TargetStatus;\r | |
70c94b3b | 1156 | EFI_SCSI_SENSE_DATA SenseData;\r |
1157 | EFI_SCSI_INQUIRY_DATA InquiryData;\r | |
3a10d471 | 1158 | \r |
1159 | HostAdapterStatus = 0;\r | |
1160 | TargetStatus = 0;\r | |
1161 | //\r | |
1162 | // Using Inquiry command to scan for the device\r | |
1163 | //\r | |
1164 | InquiryDataLength = sizeof (EFI_SCSI_INQUIRY_DATA);\r | |
1165 | SenseDataLength = sizeof (EFI_SCSI_SENSE_DATA);\r | |
1166 | \r | |
d35be2a4 | 1167 | Status = ScsiInquiryCommand (\r |
3a10d471 | 1168 | &ScsiIoDevice->ScsiIo,\r |
e72a3b3e | 1169 | EFI_TIMER_PERIOD_SECONDS (1),\r |
3a10d471 | 1170 | (VOID *) &SenseData,\r |
1171 | &SenseDataLength,\r | |
1172 | &HostAdapterStatus,\r | |
1173 | &TargetStatus,\r | |
1174 | (VOID *) &InquiryData,\r | |
1175 | &InquiryDataLength,\r | |
1176 | FALSE\r | |
1177 | );\r | |
d1a8a1dc | 1178 | if (EFI_ERROR (Status) && Status != EFI_BAD_BUFFER_SIZE) {\r |
3a10d471 | 1179 | return FALSE;\r |
1180 | }\r | |
1181 | //\r | |
1182 | // Retrieved inquiry data successfully\r | |
1183 | //\r | |
1184 | if ((InquiryData.Peripheral_Qualifier != 0) &&\r | |
1185 | (InquiryData.Peripheral_Qualifier != 3)) {\r | |
1186 | return FALSE;\r | |
1187 | }\r | |
1188 | \r | |
1189 | if (InquiryData.Peripheral_Qualifier == 3) {\r | |
1190 | if (InquiryData.Peripheral_Type != 0x1f) {\r | |
1191 | return FALSE;\r | |
1192 | }\r | |
1193 | }\r | |
1194 | \r | |
67a58d0f | 1195 | if (0x1e >= InquiryData.Peripheral_Type && InquiryData.Peripheral_Type >= 0xa) {\r |
3a10d471 | 1196 | return FALSE;\r |
1197 | }\r | |
c52fa98c | 1198 | \r |
3a10d471 | 1199 | //\r |
1200 | // valid device type and peripheral qualifier combination.\r | |
1201 | //\r | |
1202 | ScsiIoDevice->ScsiDeviceType = InquiryData.Peripheral_Type;\r | |
fbfa4a1d | 1203 | ScsiIoDevice->RemovableDevice = InquiryData.Rmb;\r |
3a10d471 | 1204 | if (InquiryData.Version == 0) {\r |
1205 | ScsiIoDevice->ScsiVersion = 0;\r | |
1206 | } else {\r | |
1207 | //\r | |
1208 | // ANSI-approved version\r | |
1209 | //\r | |
1210 | ScsiIoDevice->ScsiVersion = (UINT8) (InquiryData.Version & 0x03);\r | |
1211 | }\r | |
1212 | \r | |
1213 | return TRUE;\r | |
1214 | }\r | |
70c94b3b | 1215 | \r |
1216 | \r | |
9beb888e | 1217 | /**\r |
1218 | Convert EFI_SCSI_IO_SCSI_REQUEST_PACKET packet to EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET packet.\r | |
1219 | \r | |
1220 | @param Packet The pointer of EFI_SCSI_IO_SCSI_REQUEST_PACKET\r | |
1221 | @param CommandPacket The pointer of EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET\r | |
1222 | \r | |
1223 | **/\r | |
70c94b3b | 1224 | EFI_STATUS\r |
1225 | EFIAPI\r | |
1226 | ScsiioToPassThruPacket (\r | |
1227 | IN EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet,\r | |
9beb888e | 1228 | OUT EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *CommandPacket\r |
70c94b3b | 1229 | )\r |
70c94b3b | 1230 | {\r |
1231 | //\r | |
1232 | //EFI 1.10 doesn't support Bi-Direction Command.\r | |
1233 | //\r | |
1234 | if (Packet->DataDirection == EFI_SCSI_IO_DATA_DIRECTION_BIDIRECTIONAL) {\r | |
1235 | return EFI_UNSUPPORTED;\r | |
1236 | }\r | |
c52fa98c | 1237 | \r |
70c94b3b | 1238 | ZeroMem (CommandPacket, sizeof (EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET));\r |
1239 | \r | |
1240 | CommandPacket->Timeout = Packet->Timeout;\r | |
1241 | CommandPacket->Cdb = Packet->Cdb;\r | |
1242 | CommandPacket->CdbLength = Packet->CdbLength;\r | |
1243 | CommandPacket->DataDirection = Packet->DataDirection;\r | |
1244 | CommandPacket->HostAdapterStatus = Packet->HostAdapterStatus;\r | |
1245 | CommandPacket->TargetStatus = Packet->TargetStatus;\r | |
1246 | CommandPacket->SenseData = Packet->SenseData;\r | |
1247 | CommandPacket->SenseDataLength = Packet->SenseDataLength;\r | |
1248 | \r | |
1249 | if (Packet->DataDirection == EFI_SCSI_IO_DATA_DIRECTION_READ) {\r | |
1250 | CommandPacket->DataBuffer = Packet->InDataBuffer;\r | |
1251 | CommandPacket->TransferLength = Packet->InTransferLength;\r | |
1252 | } else if (Packet->DataDirection == EFI_SCSI_IO_DATA_DIRECTION_WRITE) {\r | |
1253 | CommandPacket->DataBuffer = Packet->OutDataBuffer;\r | |
1254 | CommandPacket->TransferLength = Packet->OutTransferLength;\r | |
1255 | }\r | |
1256 | return EFI_SUCCESS;\r | |
1257 | }\r | |
1258 | \r | |
1259 | \r | |
9beb888e | 1260 | /**\r |
1261 | Convert EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET packet to EFI_SCSI_IO_SCSI_REQUEST_PACKET packet.\r | |
1262 | \r | |
1263 | @param ScsiPacket The pointer of EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET\r | |
1264 | @param Packet The pointer of EFI_SCSI_IO_SCSI_REQUEST_PACKET\r | |
1265 | \r | |
1266 | **/\r | |
70c94b3b | 1267 | EFI_STATUS\r |
1268 | EFIAPI\r | |
1269 | PassThruToScsiioPacket (\r | |
1270 | IN EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *ScsiPacket,\r | |
9beb888e | 1271 | OUT EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet\r |
70c94b3b | 1272 | )\r |
70c94b3b | 1273 | {\r |
1274 | Packet->Timeout = ScsiPacket->Timeout;\r | |
1275 | Packet->Cdb = ScsiPacket->Cdb;\r | |
1276 | Packet->CdbLength = ScsiPacket->CdbLength;\r | |
1277 | Packet->DataDirection = ScsiPacket->DataDirection;\r | |
1278 | Packet->HostAdapterStatus = ScsiPacket->HostAdapterStatus;\r | |
1279 | Packet->TargetStatus = ScsiPacket->TargetStatus;\r | |
1280 | Packet->SenseData = ScsiPacket->SenseData;\r | |
1281 | Packet->SenseDataLength = ScsiPacket->SenseDataLength;\r | |
1282 | \r | |
1283 | if (ScsiPacket->DataDirection == EFI_SCSI_IO_DATA_DIRECTION_READ) {\r | |
1284 | Packet->InDataBuffer = ScsiPacket->DataBuffer;\r | |
1285 | Packet->InTransferLength = ScsiPacket->TransferLength;\r | |
1286 | } else if (Packet->DataDirection == EFI_SCSI_IO_DATA_DIRECTION_WRITE) {\r | |
1287 | Packet->OutDataBuffer = ScsiPacket->DataBuffer;\r | |
1288 | Packet->OutTransferLength = ScsiPacket->TransferLength;\r | |
1289 | }\r | |
c52fa98c | 1290 | \r |
70c94b3b | 1291 | return EFI_SUCCESS;\r |
1292 | }\r | |
1293 | \r | |
9beb888e | 1294 | /**\r |
1295 | Notify Function in which convert EFI1.0 PassThru Packet back to UEF2.0\r | |
1296 | SCSI IO Packet.\r | |
70c94b3b | 1297 | \r |
9beb888e | 1298 | @param Event The instance of EFI_EVENT.\r |
1299 | @param Context The parameter passed in.\r | |
70c94b3b | 1300 | \r |
9beb888e | 1301 | **/\r |
70c94b3b | 1302 | VOID\r |
1303 | EFIAPI\r | |
1304 | NotifyFunction (\r | |
9beb888e | 1305 | IN EFI_EVENT Event,\r |
1306 | IN VOID *Context\r | |
70c94b3b | 1307 | )\r |
70c94b3b | 1308 | {\r |
1309 | EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet;\r | |
1310 | EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *ScsiPacket;\r | |
1311 | EFI_EVENT CallerEvent;\r | |
c52fa98c | 1312 | SCSI_EVENT_DATA *PassData;\r |
70c94b3b | 1313 | \r |
1314 | PassData = (SCSI_EVENT_DATA*)Context;\r | |
1315 | Packet = (EFI_SCSI_IO_SCSI_REQUEST_PACKET *)PassData->Data1;\r | |
9beb888e | 1316 | ScsiPacket = (EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET*)mWorkingBuffer;\r |
70c94b3b | 1317 | \r |
1318 | //\r | |
1319 | // Convert EFI1.0 PassThru packet to UEFI2.0 SCSI IO Packet.\r | |
1320 | //\r | |
1321 | PassThruToScsiioPacket(ScsiPacket, Packet);\r | |
c52fa98c | 1322 | \r |
70c94b3b | 1323 | //\r |
1324 | // After converting EFI1.0 PassThru Packet back to UEFI2.0 SCSI IO Packet,\r | |
9beb888e | 1325 | // free mWorkingBuffer.\r |
70c94b3b | 1326 | //\r |
9beb888e | 1327 | gBS->FreePool(mWorkingBuffer);\r |
70c94b3b | 1328 | \r |
1329 | //\r | |
1330 | // Signal Event to tell caller to pick up UEFI2.0 SCSI IO Packet.\r | |
1331 | //\r | |
1332 | CallerEvent = PassData->Data2;\r | |
1333 | gBS->CloseEvent(Event);\r | |
1334 | gBS->SignalEvent(CallerEvent);\r | |
1335 | }\r | |
9beb888e | 1336 | \r |