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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 | |
9beb888e | 29 | VOID *mWorkingBuffer;\r |
30 | \r | |
31 | /**\r | |
32 | Convert EFI_SCSI_IO_SCSI_REQUEST_PACKET packet to EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET packet.\r | |
70c94b3b | 33 | \r |
9beb888e | 34 | @param Packet The pointer of EFI_SCSI_IO_SCSI_REQUEST_PACKET\r |
35 | @param CommandPacket The pointer of EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET\r | |
36 | \r | |
37 | **/\r | |
70c94b3b | 38 | EFI_STATUS\r |
39 | EFIAPI\r | |
40 | ScsiioToPassThruPacket (\r | |
41 | IN EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet,\r | |
9beb888e | 42 | OUT EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *CommandPacket\r |
ed66e1bc | 43 | );\r |
70c94b3b | 44 | \r |
9beb888e | 45 | /**\r |
46 | Convert EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET packet to EFI_SCSI_IO_SCSI_REQUEST_PACKET packet.\r | |
47 | \r | |
48 | @param ScsiPacket The pointer of EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET\r | |
49 | @param Packet The pointer of EFI_SCSI_IO_SCSI_REQUEST_PACKET\r | |
70c94b3b | 50 | \r |
9beb888e | 51 | **/\r |
70c94b3b | 52 | EFI_STATUS\r |
53 | EFIAPI\r | |
54 | PassThruToScsiioPacket (\r | |
55 | IN EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *ScsiPacket,\r | |
9beb888e | 56 | OUT EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet\r |
ed66e1bc | 57 | );\r |
9beb888e | 58 | \r |
59 | /**\r | |
60 | Notify Function in which convert EFI1.0 PassThru Packet back to UEF2.0\r | |
61 | SCSI IO Packet.\r | |
62 | \r | |
63 | @param Event The instance of EFI_EVENT.\r | |
64 | @param Context The parameter passed in.\r | |
65 | \r | |
66 | **/\r | |
70c94b3b | 67 | VOID\r |
68 | EFIAPI\r | |
69 | NotifyFunction (\r | |
9beb888e | 70 | IN EFI_EVENT Event,\r |
71 | IN VOID *Context\r | |
ed66e1bc | 72 | );\r |
70c94b3b | 73 | \r |
3a10d471 | 74 | /**\r |
75 | The user Entry Point for module ScsiBus. The user code starts with this function.\r | |
76 | \r | |
9beb888e | 77 | @param ImageHandle The firmware allocated handle for the EFI image.\r |
78 | @param SystemTable A pointer to the EFI System Table.\r | |
c52fa98c | 79 | \r |
9beb888e | 80 | @retval EFI_SUCCESS The entry point is executed successfully.\r |
81 | @retval other Some error occurs when executing this entry point.\r | |
3a10d471 | 82 | \r |
83 | **/\r | |
84 | EFI_STATUS\r | |
85 | EFIAPI\r | |
86 | InitializeScsiBus(\r | |
87 | IN EFI_HANDLE ImageHandle,\r | |
88 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
89 | )\r | |
90 | {\r | |
91 | EFI_STATUS Status;\r | |
92 | \r | |
93 | //\r | |
94 | // Install driver model protocol(s).\r | |
95 | //\r | |
70da5bc2 | 96 | Status = EfiLibInstallDriverBindingComponentName2 (\r |
3a10d471 | 97 | ImageHandle,\r |
98 | SystemTable,\r | |
99 | &gSCSIBusDriverBinding,\r | |
100 | ImageHandle,\r | |
101 | &gScsiBusComponentName,\r | |
70da5bc2 | 102 | &gScsiBusComponentName2\r |
3a10d471 | 103 | );\r |
104 | ASSERT_EFI_ERROR (Status);\r | |
105 | \r | |
3a10d471 | 106 | return Status;\r |
107 | }\r | |
108 | \r | |
9beb888e | 109 | \r |
110 | /**\r | |
111 | Test to see if this driver supports ControllerHandle.\r | |
112 | \r | |
113 | This service is called by the EFI boot service ConnectController(). In order\r | |
114 | to make drivers as small as possible, there are a few calling restrictions for\r | |
115 | this service. ConnectController() must follow these calling restrictions. If\r | |
116 | any other agent wishes to call Supported() it must also follow these calling\r | |
117 | restrictions.\r | |
118 | \r | |
119 | @param This Protocol instance pointer.\r | |
120 | @param ControllerHandle Handle of device to test\r | |
121 | @param RemainingDevicePath Optional parameter use to pick a specific child\r | |
122 | device to start.\r | |
123 | \r | |
124 | @retval EFI_SUCCESS This driver supports this device\r | |
125 | @retval EFI_ALREADY_STARTED This driver is already running on this device\r | |
126 | @retval other This driver does not support this device\r | |
127 | \r | |
128 | **/\r | |
3a10d471 | 129 | EFI_STATUS\r |
130 | EFIAPI\r | |
131 | SCSIBusDriverBindingSupported (\r | |
132 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
133 | IN EFI_HANDLE Controller,\r | |
134 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
135 | )\r | |
3a10d471 | 136 | {\r |
af4a6385 | 137 | EFI_STATUS Status;\r |
138 | EFI_SCSI_PASS_THRU_PROTOCOL *PassThru;\r | |
70c94b3b | 139 | EFI_EXT_SCSI_PASS_THRU_PROTOCOL *ExtPassThru;\r |
d548f0a1 | 140 | UINT64 Lun;\r |
141 | UINT8 *TargetId;\r | |
142 | SCSI_TARGET_ID ScsiTargetId;\r | |
af4a6385 | 143 | \r |
d548f0a1 | 144 | TargetId = &ScsiTargetId.ScsiId.ExtScsi[0];\r |
145 | SetMem (TargetId, TARGET_MAX_BYTES, 0xFF);\r | |
146 | \r | |
147 | //\r | |
148 | // To keep backward compatibility, UEFI ExtPassThru Protocol is supported as well as \r | |
149 | // EFI PassThru Protocol. From priority perspective, ExtPassThru Protocol is firstly\r | |
150 | // tried to open on host controller handle. If fails, then PassThru Protocol is tried instead.\r | |
151 | //\r | |
152 | Status = gBS->OpenProtocol (\r | |
153 | Controller,\r | |
154 | &gEfiExtScsiPassThruProtocolGuid,\r | |
155 | (VOID **)&ExtPassThru,\r | |
156 | This->DriverBindingHandle,\r | |
157 | Controller,\r | |
158 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
159 | );\r | |
160 | \r | |
161 | if (Status == EFI_ALREADY_STARTED) {\r | |
162 | return EFI_SUCCESS;\r | |
163 | } else if (!EFI_ERROR(Status)) {\r | |
af4a6385 | 164 | //\r |
d548f0a1 | 165 | // Check if RemainingDevicePath is NULL or the End of Device Path Node,\r |
166 | // if yes, return EFI_SUCCESS.\r | |
af4a6385 | 167 | //\r |
d548f0a1 | 168 | if ((RemainingDevicePath == NULL) || IsDevicePathEnd (RemainingDevicePath)) {\r |
67f7e376 | 169 | //\r |
170 | // Close protocol regardless of RemainingDevicePath validation\r | |
171 | //\r | |
172 | gBS->CloseProtocol (\r | |
173 | Controller,\r | |
174 | &gEfiExtScsiPassThruProtocolGuid,\r | |
175 | This->DriverBindingHandle,\r | |
176 | Controller\r | |
177 | ); \r | |
d548f0a1 | 178 | return EFI_SUCCESS;\r |
179 | } else {\r | |
180 | //\r | |
181 | // If RemainingDevicePath isn't the End of Device Path Node, check its validation\r | |
182 | //\r | |
183 | Status = ExtPassThru->GetTargetLun (ExtPassThru, RemainingDevicePath, &TargetId, &Lun);\r | |
af4a6385 | 184 | //\r |
d548f0a1 | 185 | // Close protocol regardless of RemainingDevicePath validation\r |
af4a6385 | 186 | //\r |
d548f0a1 | 187 | gBS->CloseProtocol (\r |
188 | Controller,\r | |
189 | &gEfiExtScsiPassThruProtocolGuid,\r | |
190 | This->DriverBindingHandle,\r | |
191 | Controller\r | |
192 | ); \r | |
193 | if (!EFI_ERROR(Status)) {\r | |
194 | return EFI_SUCCESS;\r | |
af4a6385 | 195 | }\r |
196 | }\r | |
197 | }\r | |
198 | \r | |
3a10d471 | 199 | //\r |
d548f0a1 | 200 | // Come here in 2 condition: \r |
201 | // 1. ExtPassThru doesn't exist.\r | |
202 | // 2. ExtPassThru exists but RemainingDevicePath is invalid.\r | |
3a10d471 | 203 | //\r |
204 | Status = gBS->OpenProtocol (\r | |
205 | Controller,\r | |
d548f0a1 | 206 | &gEfiScsiPassThruProtocolGuid,\r |
207 | (VOID **)&PassThru,\r | |
3a10d471 | 208 | This->DriverBindingHandle,\r |
209 | Controller,\r | |
70c94b3b | 210 | EFI_OPEN_PROTOCOL_BY_DRIVER\r |
3a10d471 | 211 | );\r |
d548f0a1 | 212 | \r |
70c94b3b | 213 | if (Status == EFI_ALREADY_STARTED) {\r |
214 | return EFI_SUCCESS;\r | |
215 | }\r | |
d548f0a1 | 216 | \r |
70c94b3b | 217 | if (EFI_ERROR (Status)) {\r |
d548f0a1 | 218 | return Status;\r |
3a10d471 | 219 | }\r |
d548f0a1 | 220 | \r |
af4a6385 | 221 | //\r |
d548f0a1 | 222 | // Test RemainingDevicePath is valid or not.\r |
af4a6385 | 223 | //\r |
d548f0a1 | 224 | if ((RemainingDevicePath != NULL) && !IsDevicePathEnd (RemainingDevicePath)) {\r |
225 | Status = PassThru->GetTargetLun (PassThru, RemainingDevicePath, &ScsiTargetId.ScsiId.Scsi, &Lun);\r | |
226 | }\r | |
227 | \r | |
70c94b3b | 228 | gBS->CloseProtocol (\r |
d548f0a1 | 229 | Controller,\r |
230 | &gEfiScsiPassThruProtocolGuid,\r | |
231 | This->DriverBindingHandle,\r | |
232 | Controller\r | |
233 | );\r | |
234 | return Status;\r | |
3a10d471 | 235 | }\r |
236 | \r | |
9beb888e | 237 | \r |
238 | /**\r | |
239 | Start this driver on ControllerHandle.\r | |
240 | \r | |
241 | This service is called by the EFI boot service ConnectController(). In order\r | |
242 | to make drivers as small as possible, there are a few calling restrictions for\r | |
243 | this service. ConnectController() must follow these calling restrictions. If\r | |
244 | any other agent wishes to call Start() it must also follow these calling\r | |
245 | restrictions.\r | |
246 | \r | |
247 | @param This Protocol instance pointer.\r | |
248 | @param ControllerHandle Handle of device to bind driver to\r | |
249 | @param RemainingDevicePath Optional parameter use to pick a specific child\r | |
250 | device to start.\r | |
251 | \r | |
252 | @retval EFI_SUCCESS This driver is added to ControllerHandle\r | |
253 | @retval EFI_ALREADY_STARTED This driver is already running on ControllerHandle\r | |
254 | @retval other This driver does not support this device\r | |
255 | \r | |
256 | **/\r | |
3a10d471 | 257 | EFI_STATUS\r |
258 | EFIAPI\r | |
259 | SCSIBusDriverBindingStart (\r | |
260 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
261 | IN EFI_HANDLE Controller,\r | |
262 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
263 | )\r | |
3a10d471 | 264 | {\r |
f36d6e66 | 265 | UINT64 Lun;\r |
266 | UINT8 *TargetId;\r | |
267 | BOOLEAN ScanOtherPuns;\r | |
268 | BOOLEAN FromFirstTarget;\r | |
269 | BOOLEAN ExtScsiSupport;\r | |
270 | EFI_STATUS Status;\r | |
271 | EFI_STATUS DevicePathStatus;\r | |
272 | EFI_STATUS PassThruStatus;\r | |
273 | SCSI_BUS_DEVICE *ScsiBusDev;\r | |
d548f0a1 | 274 | SCSI_TARGET_ID ScsiTargetId;\r |
f36d6e66 | 275 | EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath;\r |
276 | EFI_SCSI_PASS_THRU_PROTOCOL *ScsiInterface;\r | |
277 | EFI_EXT_SCSI_PASS_THRU_PROTOCOL *ExtScsiInterface;\r | |
278 | EFI_SCSI_BUS_PROTOCOL *BusIdentify;\r | |
279 | \r | |
280 | TargetId = NULL;\r | |
f36d6e66 | 281 | ScanOtherPuns = TRUE;\r |
70c94b3b | 282 | FromFirstTarget = FALSE;\r |
f36d6e66 | 283 | ExtScsiSupport = FALSE;\r |
284 | PassThruStatus = EFI_SUCCESS;\r | |
9beb888e | 285 | \r |
d548f0a1 | 286 | TargetId = &ScsiTargetId.ScsiId.ExtScsi[0];\r |
287 | SetMem (TargetId, TARGET_MAX_BYTES, 0xFF);\r | |
f36d6e66 | 288 | \r |
289 | DevicePathStatus = gBS->OpenProtocol (\r | |
290 | Controller,\r | |
291 | &gEfiDevicePathProtocolGuid,\r | |
292 | (VOID **) &ParentDevicePath,\r | |
293 | This->DriverBindingHandle,\r | |
294 | Controller,\r | |
295 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
296 | );\r | |
297 | if (EFI_ERROR (DevicePathStatus) && (DevicePathStatus != EFI_ALREADY_STARTED)) {\r | |
298 | return DevicePathStatus;\r | |
3a10d471 | 299 | }\r |
300 | \r | |
301 | //\r | |
f36d6e66 | 302 | // To keep backward compatibility, UEFI ExtPassThru Protocol is supported as well as \r |
303 | // EFI PassThru Protocol. From priority perspective, ExtPassThru Protocol is firstly\r | |
304 | // tried to open on host controller handle. If fails, then PassThru Protocol is tried instead.\r | |
3a10d471 | 305 | //\r |
306 | Status = gBS->OpenProtocol (\r | |
307 | Controller,\r | |
70c94b3b | 308 | &gEfiExtScsiPassThruProtocolGuid,\r |
f36d6e66 | 309 | (VOID **) &ExtScsiInterface,\r |
3a10d471 | 310 | This->DriverBindingHandle,\r |
311 | Controller,\r | |
312 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
313 | );\r | |
f36d6e66 | 314 | //\r |
315 | // Fail to open UEFI ExtendPassThru Protocol, then try to open EFI PassThru Protocol instead.\r | |
316 | //\r | |
317 | if (EFI_ERROR(Status) && (Status != EFI_ALREADY_STARTED)) {\r | |
70c94b3b | 318 | Status = gBS->OpenProtocol (\r |
319 | Controller,\r | |
320 | &gEfiScsiPassThruProtocolGuid,\r | |
f36d6e66 | 321 | (VOID **) &ScsiInterface,\r |
70c94b3b | 322 | This->DriverBindingHandle,\r |
323 | Controller,\r | |
324 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
325 | );\r | |
f36d6e66 | 326 | //\r |
327 | // Fail to open EFI PassThru Protocol, Close the DevicePathProtocol if it is opened by this time.\r | |
328 | //\r | |
329 | if (EFI_ERROR (Status) && (Status != EFI_ALREADY_STARTED)) {\r | |
330 | if (!EFI_ERROR(DevicePathStatus)) {\r | |
331 | gBS->CloseProtocol (\r | |
332 | Controller,\r | |
333 | &gEfiDevicePathProtocolGuid,\r | |
334 | This->DriverBindingHandle,\r | |
335 | Controller\r | |
336 | );\r | |
337 | } \r | |
70c94b3b | 338 | return Status;\r |
f36d6e66 | 339 | } \r |
70c94b3b | 340 | } else {\r |
f36d6e66 | 341 | //\r |
342 | // Succeed to open ExtPassThru Protocol, and meanwhile open PassThru Protocol \r | |
343 | // with BY_DRIVER if it is also present on the handle. The intent is to prevent \r | |
344 | // another SCSI Bus Driver to work on the same host handle.\r | |
345 | //\r | |
346 | ExtScsiSupport = TRUE;\r | |
347 | PassThruStatus = gBS->OpenProtocol (\r | |
348 | Controller,\r | |
349 | &gEfiScsiPassThruProtocolGuid,\r | |
350 | (VOID **) &ScsiInterface,\r | |
351 | This->DriverBindingHandle,\r | |
352 | Controller,\r | |
353 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
354 | );\r | |
70c94b3b | 355 | }\r |
f36d6e66 | 356 | \r |
357 | if (Status != EFI_ALREADY_STARTED) {\r | |
358 | //\r | |
359 | // Go through here means either ExtPassThru or PassThru Protocol is successfully opened\r | |
360 | // on this handle for this time. Then construct Host controller private data.\r | |
361 | //\r | |
362 | ScsiBusDev = NULL;\r | |
363 | ScsiBusDev = AllocateZeroPool(sizeof(SCSI_BUS_DEVICE));\r | |
364 | if (ScsiBusDev == NULL) {\r | |
365 | Status = EFI_OUT_OF_RESOURCES;\r | |
366 | goto ErrorExit;\r | |
367 | }\r | |
368 | ScsiBusDev->Signature = SCSI_BUS_DEVICE_SIGNATURE;\r | |
369 | ScsiBusDev->ExtScsiSupport = ExtScsiSupport;\r | |
370 | ScsiBusDev->DevicePath = ParentDevicePath;\r | |
70c94b3b | 371 | if (ScsiBusDev->ExtScsiSupport) {\r |
f36d6e66 | 372 | ScsiBusDev->ExtScsiInterface = ExtScsiInterface;\r |
70c94b3b | 373 | } else {\r |
f36d6e66 | 374 | ScsiBusDev->ScsiInterface = ScsiInterface; \r |
70c94b3b | 375 | }\r |
f36d6e66 | 376 | \r |
377 | //\r | |
378 | // Install EFI_SCSI_BUS_PROTOCOL to the controller handle, So ScsiBusDev could be\r | |
379 | // retrieved on this controller handle. With ScsiBusDev, we can know which PassThru\r | |
380 | // Protocol is present on the handle, UEFI ExtPassThru Protocol or EFI PassThru Protocol.\r | |
381 | // \r | |
382 | Status = gBS->InstallProtocolInterface (\r | |
383 | &Controller,\r | |
c8ad2d7a | 384 | &gEfiCallerIdGuid,\r |
f36d6e66 | 385 | EFI_NATIVE_INTERFACE,\r |
386 | &ScsiBusDev->BusIdentify\r | |
387 | );\r | |
388 | if (EFI_ERROR (Status)) {\r | |
389 | goto ErrorExit;\r | |
390 | }\r | |
391 | } else {\r | |
392 | //\r | |
393 | // Go through here means Start() is re-invoked again, nothing special is required to do except\r | |
394 | // picking up Host controller private information.\r | |
395 | //\r | |
396 | Status = gBS->OpenProtocol (\r | |
397 | Controller,\r | |
c8ad2d7a | 398 | &gEfiCallerIdGuid,\r |
f36d6e66 | 399 | (VOID **) &BusIdentify,\r |
400 | This->DriverBindingHandle,\r | |
401 | Controller,\r | |
402 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
403 | );\r | |
404 | \r | |
405 | if (EFI_ERROR (Status)) {\r | |
406 | return Status;\r | |
407 | }\r | |
408 | ScsiBusDev = SCSI_BUS_CONTROLLER_DEVICE_FROM_THIS (BusIdentify);\r | |
3a10d471 | 409 | }\r |
410 | \r | |
af4a6385 | 411 | Lun = 0;\r |
3a10d471 | 412 | if (RemainingDevicePath == NULL) {\r |
af4a6385 | 413 | //\r |
414 | // If RemainingDevicePath is NULL, \r | |
415 | // must enumerate all SCSI devices anyway\r | |
416 | //\r | |
70c94b3b | 417 | FromFirstTarget = TRUE;\r |
af4a6385 | 418 | } else if (!IsDevicePathEnd (RemainingDevicePath)) {\r |
419 | //\r | |
420 | // If RemainingDevicePath isn't the End of Device Path Node, \r | |
421 | // only scan the specified device by RemainingDevicePath\r | |
422 | //\r | |
70c94b3b | 423 | if (ScsiBusDev->ExtScsiSupport) {\r |
d10a41e6 | 424 | Status = ScsiBusDev->ExtScsiInterface->GetTargetLun (ScsiBusDev->ExtScsiInterface, RemainingDevicePath, &TargetId, &Lun); \r |
70c94b3b | 425 | } else {\r |
d10a41e6 | 426 | Status = ScsiBusDev->ScsiInterface->GetTargetLun (ScsiBusDev->ScsiInterface, RemainingDevicePath, &ScsiTargetId.ScsiId.Scsi, &Lun);\r |
70c94b3b | 427 | }\r |
af4a6385 | 428 | \r |
d10a41e6 | 429 | if (EFI_ERROR (Status)) {\r |
430 | return Status;\r | |
431 | }\r | |
af4a6385 | 432 | } else {\r |
433 | //\r | |
434 | // If RemainingDevicePath is the End of Device Path Node,\r | |
435 | // skip enumerate any device and return EFI_SUCESSS\r | |
436 | // \r | |
437 | ScanOtherPuns = FALSE;\r | |
3a10d471 | 438 | }\r |
439 | \r | |
70c94b3b | 440 | while(ScanOtherPuns) {\r |
441 | if (FromFirstTarget) {\r | |
3a10d471 | 442 | //\r |
443 | // Remaining Device Path is NULL, scan all the possible Puns in the\r | |
444 | // SCSI Channel.\r | |
445 | //\r | |
70c94b3b | 446 | if (ScsiBusDev->ExtScsiSupport) {\r |
447 | Status = ScsiBusDev->ExtScsiInterface->GetNextTargetLun (ScsiBusDev->ExtScsiInterface, &TargetId, &Lun);\r | |
448 | } else {\r | |
d548f0a1 | 449 | Status = ScsiBusDev->ScsiInterface->GetNextDevice (ScsiBusDev->ScsiInterface, &ScsiTargetId.ScsiId.Scsi, &Lun);\r |
70c94b3b | 450 | }\r |
3a10d471 | 451 | if (EFI_ERROR (Status)) {\r |
452 | //\r | |
453 | // no legal Pun and Lun found any more\r | |
454 | //\r | |
455 | break;\r | |
456 | }\r | |
457 | } else {\r | |
3a10d471 | 458 | ScanOtherPuns = FALSE;\r |
459 | }\r | |
3a10d471 | 460 | //\r |
461 | // Avoid creating handle for the host adapter.\r | |
462 | //\r | |
70c94b3b | 463 | if (ScsiBusDev->ExtScsiSupport) {\r |
d548f0a1 | 464 | if ((ScsiTargetId.ScsiId.Scsi) == ScsiBusDev->ExtScsiInterface->Mode->AdapterId) {\r |
70c94b3b | 465 | continue;\r |
466 | }\r | |
467 | } else {\r | |
d548f0a1 | 468 | if ((ScsiTargetId.ScsiId.Scsi) == ScsiBusDev->ScsiInterface->Mode->AdapterId) {\r |
70c94b3b | 469 | continue;\r |
470 | }\r | |
3a10d471 | 471 | }\r |
3a10d471 | 472 | //\r |
473 | // Scan for the scsi device, if it attaches to the scsi bus,\r | |
474 | // then create handle and install scsi i/o protocol.\r | |
475 | //\r | |
d548f0a1 | 476 | Status = ScsiScanCreateDevice (This, Controller, &ScsiTargetId, Lun, ScsiBusDev);\r |
3a10d471 | 477 | }\r |
f36d6e66 | 478 | return EFI_SUCCESS;\r |
9b38ff34 | 479 | \r |
f36d6e66 | 480 | ErrorExit:\r |
481 | \r | |
482 | if (ScsiBusDev != NULL) {\r | |
9b38ff34 | 483 | FreePool (ScsiBusDev);\r |
f36d6e66 | 484 | }\r |
485 | \r | |
486 | if (ExtScsiSupport) {\r | |
487 | gBS->CloseProtocol (\r | |
488 | Controller,\r | |
489 | &gEfiExtScsiPassThruProtocolGuid,\r | |
490 | This->DriverBindingHandle,\r | |
491 | Controller\r | |
492 | );\r | |
493 | if (!EFI_ERROR (PassThruStatus)) {\r | |
494 | gBS->CloseProtocol (\r | |
495 | Controller,\r | |
496 | &gEfiScsiPassThruProtocolGuid,\r | |
497 | This->DriverBindingHandle,\r | |
498 | Controller\r | |
499 | );\r | |
500 | }\r | |
501 | } else {\r | |
502 | gBS->CloseProtocol (\r | |
503 | Controller,\r | |
504 | &gEfiScsiPassThruProtocolGuid,\r | |
505 | This->DriverBindingHandle,\r | |
506 | Controller\r | |
507 | );\r | |
508 | }\r | |
3a10d471 | 509 | return Status;\r |
510 | }\r | |
511 | \r | |
9beb888e | 512 | /**\r |
513 | Stop this driver on ControllerHandle.\r | |
514 | \r | |
515 | This service is called by the EFI boot service DisconnectController().\r | |
516 | In order to make drivers as small as possible, there are a few calling\r | |
517 | restrictions for this service. DisconnectController() must follow these\r | |
518 | calling restrictions. If any other agent wishes to call Stop() it must also\r | |
519 | follow these calling restrictions.\r | |
520 | \r | |
521 | @param This Protocol instance pointer.\r | |
522 | @param ControllerHandle Handle of device to stop driver on\r | |
523 | @param NumberOfChildren Number of Handles in ChildHandleBuffer. If number of\r | |
524 | children is zero stop the entire bus driver.\r | |
525 | @param ChildHandleBuffer List of Child Handles to Stop.\r | |
526 | \r | |
527 | @retval EFI_SUCCESS This driver is removed ControllerHandle\r | |
528 | @retval other This driver was not removed from this device\r | |
529 | \r | |
530 | **/\r | |
3a10d471 | 531 | EFI_STATUS\r |
532 | EFIAPI\r | |
533 | SCSIBusDriverBindingStop (\r | |
534 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
535 | IN EFI_HANDLE Controller,\r | |
536 | IN UINTN NumberOfChildren,\r | |
537 | IN EFI_HANDLE *ChildHandleBuffer\r | |
538 | )\r | |
3a10d471 | 539 | {\r |
540 | EFI_STATUS Status;\r | |
541 | BOOLEAN AllChildrenStopped;\r | |
542 | UINTN Index;\r | |
543 | EFI_SCSI_IO_PROTOCOL *ScsiIo;\r | |
544 | SCSI_IO_DEV *ScsiIoDevice;\r | |
70c94b3b | 545 | VOID *ScsiPassThru;\r |
546 | EFI_SCSI_BUS_PROTOCOL *Scsidentifier;\r | |
547 | SCSI_BUS_DEVICE *ScsiBusDev;\r | |
3a10d471 | 548 | \r |
549 | if (NumberOfChildren == 0) {\r | |
70c94b3b | 550 | //\r |
551 | // Get the SCSI_BUS_DEVICE\r | |
552 | //\r | |
553 | Status = gBS->OpenProtocol (\r | |
554 | Controller,\r | |
c8ad2d7a | 555 | &gEfiCallerIdGuid,\r |
70c94b3b | 556 | (VOID **) &Scsidentifier,\r |
557 | This->DriverBindingHandle,\r | |
558 | Controller,\r | |
559 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
560 | );\r | |
c52fa98c | 561 | \r |
70c94b3b | 562 | if (EFI_ERROR (Status)) {\r |
563 | return EFI_DEVICE_ERROR;\r | |
564 | }\r | |
565 | \r | |
566 | ScsiBusDev = SCSI_BUS_CONTROLLER_DEVICE_FROM_THIS (Scsidentifier);\r | |
567 | \r | |
568 | //\r | |
569 | // Uninstall SCSI Bus Protocol\r | |
570 | //\r | |
571 | gBS->UninstallProtocolInterface (\r | |
572 | Controller,\r | |
c8ad2d7a | 573 | &gEfiCallerIdGuid,\r |
70c94b3b | 574 | &ScsiBusDev->BusIdentify\r |
575 | );\r | |
c52fa98c | 576 | \r |
3a10d471 | 577 | //\r |
578 | // Close the bus driver\r | |
579 | //\r | |
70c94b3b | 580 | if (ScsiBusDev->ExtScsiSupport) {\r |
1e5914b5 | 581 | //\r |
582 | // Close ExtPassThru Protocol from this controller handle\r | |
583 | //\r | |
70c94b3b | 584 | gBS->CloseProtocol (\r |
585 | Controller,\r | |
586 | &gEfiExtScsiPassThruProtocolGuid,\r | |
587 | This->DriverBindingHandle,\r | |
588 | Controller\r | |
589 | );\r | |
1e5914b5 | 590 | //\r |
591 | // When Start() succeeds to open ExtPassThru, it always tries to open PassThru BY_DRIVER.\r | |
592 | // Its intent is to prevent another SCSI Bus Driver from woking on the same host handle. \r | |
593 | // So Stop() needs to try to close PassThru if present here.\r | |
594 | //\r | |
595 | gBS->CloseProtocol (\r | |
596 | Controller,\r | |
597 | &gEfiScsiPassThruProtocolGuid,\r | |
598 | This->DriverBindingHandle,\r | |
599 | Controller\r | |
600 | );\r | |
70c94b3b | 601 | } else {\r |
602 | gBS->CloseProtocol (\r | |
603 | Controller,\r | |
604 | &gEfiScsiPassThruProtocolGuid,\r | |
605 | This->DriverBindingHandle,\r | |
606 | Controller\r | |
607 | );\r | |
608 | }\r | |
3a10d471 | 609 | \r |
70c94b3b | 610 | gBS->CloseProtocol (\r |
611 | Controller,\r | |
612 | &gEfiDevicePathProtocolGuid,\r | |
613 | This->DriverBindingHandle,\r | |
614 | Controller\r | |
615 | );\r | |
6c94a00d | 616 | FreePool (ScsiBusDev);\r |
3a10d471 | 617 | return EFI_SUCCESS;\r |
618 | }\r | |
619 | \r | |
620 | AllChildrenStopped = TRUE;\r | |
621 | \r | |
622 | for (Index = 0; Index < NumberOfChildren; Index++) {\r | |
623 | \r | |
624 | Status = gBS->OpenProtocol (\r | |
625 | ChildHandleBuffer[Index],\r | |
626 | &gEfiScsiIoProtocolGuid,\r | |
627 | (VOID **) &ScsiIo,\r | |
628 | This->DriverBindingHandle,\r | |
629 | Controller,\r | |
630 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
631 | );\r | |
632 | if (EFI_ERROR (Status)) {\r | |
633 | AllChildrenStopped = FALSE;\r | |
634 | continue;\r | |
635 | }\r | |
636 | \r | |
637 | ScsiIoDevice = SCSI_IO_DEV_FROM_THIS (ScsiIo);\r | |
638 | //\r | |
639 | // Close the child handle\r | |
640 | //\r | |
70c94b3b | 641 | if (ScsiIoDevice->ExtScsiSupport) {\r |
642 | Status = gBS->CloseProtocol (\r | |
643 | Controller,\r | |
644 | &gEfiExtScsiPassThruProtocolGuid,\r | |
645 | This->DriverBindingHandle,\r | |
646 | ChildHandleBuffer[Index]\r | |
647 | );\r | |
648 | \r | |
649 | } else {\r | |
650 | Status = gBS->CloseProtocol (\r | |
651 | Controller,\r | |
652 | &gEfiScsiPassThruProtocolGuid,\r | |
653 | This->DriverBindingHandle,\r | |
654 | ChildHandleBuffer[Index]\r | |
655 | );\r | |
656 | }\r | |
3a10d471 | 657 | \r |
658 | Status = gBS->UninstallMultipleProtocolInterfaces (\r | |
659 | ChildHandleBuffer[Index],\r | |
660 | &gEfiDevicePathProtocolGuid,\r | |
661 | ScsiIoDevice->DevicePath,\r | |
662 | &gEfiScsiIoProtocolGuid,\r | |
663 | &ScsiIoDevice->ScsiIo,\r | |
664 | NULL\r | |
665 | );\r | |
666 | if (EFI_ERROR (Status)) {\r | |
667 | AllChildrenStopped = FALSE;\r | |
70c94b3b | 668 | if (ScsiIoDevice->ExtScsiSupport) {\r |
669 | gBS->OpenProtocol (\r | |
670 | Controller,\r | |
671 | &gEfiExtScsiPassThruProtocolGuid,\r | |
84b5c78e | 672 | &ScsiPassThru,\r |
70c94b3b | 673 | This->DriverBindingHandle,\r |
674 | ChildHandleBuffer[Index],\r | |
675 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r | |
676 | );\r | |
677 | } else {\r | |
678 | gBS->OpenProtocol (\r | |
679 | Controller,\r | |
680 | &gEfiScsiPassThruProtocolGuid,\r | |
84b5c78e | 681 | &ScsiPassThru,\r |
70c94b3b | 682 | This->DriverBindingHandle,\r |
683 | ChildHandleBuffer[Index],\r | |
684 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r | |
685 | );\r | |
686 | }\r | |
3a10d471 | 687 | } else {\r |
6c94a00d | 688 | FreePool (ScsiIoDevice);\r |
3a10d471 | 689 | }\r |
690 | }\r | |
691 | \r | |
692 | if (!AllChildrenStopped) {\r | |
693 | return EFI_DEVICE_ERROR;\r | |
694 | }\r | |
695 | \r | |
696 | return EFI_SUCCESS;\r | |
697 | }\r | |
698 | \r | |
9beb888e | 699 | \r |
700 | /**\r | |
701 | Retrieves the device type information of the SCSI Controller.\r | |
702 | \r | |
703 | @param This Protocol instance pointer.\r | |
704 | @param DeviceType A pointer to the device type information retrieved from\r | |
705 | the SCSI Controller. \r | |
706 | \r | |
707 | @retval EFI_SUCCESS Retrieves the device type information successfully.\r | |
708 | @retval EFI_INVALID_PARAMETER The DeviceType is NULL.\r | |
709 | \r | |
710 | **/\r | |
3a10d471 | 711 | EFI_STATUS\r |
712 | EFIAPI\r | |
713 | ScsiGetDeviceType (\r | |
714 | IN EFI_SCSI_IO_PROTOCOL *This,\r | |
715 | OUT UINT8 *DeviceType\r | |
716 | )\r | |
3a10d471 | 717 | {\r |
718 | SCSI_IO_DEV *ScsiIoDevice;\r | |
719 | \r | |
720 | if (DeviceType == NULL) {\r | |
721 | return EFI_INVALID_PARAMETER;\r | |
722 | }\r | |
723 | \r | |
724 | ScsiIoDevice = SCSI_IO_DEV_FROM_THIS (This);\r | |
725 | *DeviceType = ScsiIoDevice->ScsiDeviceType;\r | |
726 | return EFI_SUCCESS;\r | |
727 | }\r | |
728 | \r | |
9beb888e | 729 | \r |
730 | /**\r | |
731 | Retrieves the device location in the SCSI channel.\r | |
732 | \r | |
733 | @param This Protocol instance pointer.\r | |
734 | @param Target A pointer to the Target ID of a SCSI device\r | |
735 | on the SCSI channel.\r | |
736 | @param Lun A pointer to the LUN of the SCSI device on\r | |
737 | the SCSI channel.\r | |
738 | \r | |
739 | @retval EFI_SUCCESS Retrieves the device location successfully.\r | |
740 | @retval EFI_INVALID_PARAMETER The Target or Lun is NULL.\r | |
741 | \r | |
742 | **/\r | |
3a10d471 | 743 | EFI_STATUS\r |
744 | EFIAPI\r | |
745 | ScsiGetDeviceLocation (\r | |
746 | IN EFI_SCSI_IO_PROTOCOL *This,\r | |
70c94b3b | 747 | IN OUT UINT8 **Target,\r |
3a10d471 | 748 | OUT UINT64 *Lun\r |
749 | )\r | |
3a10d471 | 750 | {\r |
751 | SCSI_IO_DEV *ScsiIoDevice;\r | |
752 | \r | |
753 | if (Target == NULL || Lun == NULL) {\r | |
754 | return EFI_INVALID_PARAMETER;\r | |
755 | }\r | |
756 | \r | |
f36d6e66 | 757 | ScsiIoDevice = SCSI_IO_DEV_FROM_THIS (This);\r |
3a10d471 | 758 | \r |
70c94b3b | 759 | CopyMem (*Target,&ScsiIoDevice->Pun, TARGET_MAX_BYTES);\r |
760 | \r | |
f36d6e66 | 761 | *Lun = ScsiIoDevice->Lun;\r |
3a10d471 | 762 | \r |
763 | return EFI_SUCCESS;\r | |
764 | }\r | |
765 | \r | |
9beb888e | 766 | /**\r |
767 | Resets the SCSI Bus that the SCSI Controller is attached to.\r | |
768 | \r | |
769 | @param This Protocol instance pointer.\r | |
770 | \r | |
771 | @retval EFI_SUCCESS The SCSI bus is reset successfully.\r | |
772 | @retval EFI_DEVICE_ERROR Errors encountered when resetting the SCSI bus.\r | |
773 | @retval EFI_UNSUPPORTED The bus reset operation is not supported by the\r | |
774 | SCSI Host Controller.\r | |
775 | @retval EFI_TIMEOUT A timeout occurred while attempting to reset \r | |
776 | the SCSI bus.\r | |
777 | **/\r | |
3a10d471 | 778 | EFI_STATUS\r |
779 | EFIAPI\r | |
780 | ScsiResetBus (\r | |
781 | IN EFI_SCSI_IO_PROTOCOL *This\r | |
782 | )\r | |
3a10d471 | 783 | {\r |
784 | SCSI_IO_DEV *ScsiIoDevice;\r | |
785 | \r | |
786 | ScsiIoDevice = SCSI_IO_DEV_FROM_THIS (This);\r | |
787 | \r | |
70c94b3b | 788 | if (ScsiIoDevice->ExtScsiSupport){\r |
789 | return ScsiIoDevice->ExtScsiPassThru->ResetChannel (ScsiIoDevice->ExtScsiPassThru);\r | |
790 | } else {\r | |
791 | return ScsiIoDevice->ScsiPassThru->ResetChannel (ScsiIoDevice->ScsiPassThru);\r | |
792 | }\r | |
3a10d471 | 793 | }\r |
794 | \r | |
9beb888e | 795 | \r |
796 | /**\r | |
797 | Resets the SCSI Controller that the device handle specifies.\r | |
798 | \r | |
799 | @param This Protocol instance pointer.\r | |
800 | \r | |
801 | @retval EFI_SUCCESS Reset the SCSI controller successfully.\r | |
802 | @retval EFI_DEVICE_ERROR Errors are encountered when resetting the SCSI Controller.\r | |
803 | @retval EFI_UNSUPPORTED The SCSI bus does not support a device reset operation.\r | |
804 | @retval EFI_TIMEOUT A timeout occurred while attempting to reset the\r | |
805 | SCSI Controller.\r | |
806 | **/\r | |
3a10d471 | 807 | EFI_STATUS\r |
808 | EFIAPI\r | |
809 | ScsiResetDevice (\r | |
810 | IN EFI_SCSI_IO_PROTOCOL *This\r | |
811 | )\r | |
3a10d471 | 812 | {\r |
f36d6e66 | 813 | SCSI_IO_DEV *ScsiIoDevice;\r |
70c94b3b | 814 | UINT8 Target[TARGET_MAX_BYTES];\r |
3a10d471 | 815 | \r |
816 | ScsiIoDevice = SCSI_IO_DEV_FROM_THIS (This);\r | |
70c94b3b | 817 | CopyMem (Target,&ScsiIoDevice->Pun, TARGET_MAX_BYTES);\r |
818 | \r | |
3a10d471 | 819 | \r |
70c94b3b | 820 | if (ScsiIoDevice->ExtScsiSupport) {\r |
821 | return ScsiIoDevice->ExtScsiPassThru->ResetTargetLun (\r | |
822 | ScsiIoDevice->ExtScsiPassThru,\r | |
823 | Target,\r | |
824 | ScsiIoDevice->Lun\r | |
825 | );\r | |
826 | } else {\r | |
827 | return ScsiIoDevice->ScsiPassThru->ResetTarget (\r | |
828 | ScsiIoDevice->ScsiPassThru,\r | |
829 | ScsiIoDevice->Pun.ScsiId.Scsi,\r | |
830 | ScsiIoDevice->Lun\r | |
831 | );\r | |
832 | }\r | |
3a10d471 | 833 | }\r |
834 | \r | |
f36d6e66 | 835 | \r |
9beb888e | 836 | /**\r |
f36d6e66 | 837 | Sends a SCSI Request Packet to the SCSI Controller for execution.\r |
f36d6e66 | 838 | \r |
9beb888e | 839 | @param This Protocol instance pointer.\r |
840 | @param CommandPacket The SCSI request packet to send to the SCSI \r | |
f36d6e66 | 841 | Controller specified by the device handle.\r |
9beb888e | 842 | @param Event If the SCSI bus where the SCSI device is attached\r |
f36d6e66 | 843 | does not support non-blocking I/O, then Event is \r |
844 | ignored, and blocking I/O is performed. \r | |
845 | If Event is NULL, then blocking I/O is performed.\r | |
846 | If Event is not NULL and non-blocking I/O is \r | |
847 | supported, then non-blocking I/O is performed,\r | |
848 | and Event will be signaled when the SCSI Request\r | |
849 | Packet completes.\r | |
9beb888e | 850 | \r |
851 | @retval EFI_SUCCESS The SCSI Request Packet was sent by the host \r | |
852 | successfully, and TransferLength bytes were \r | |
853 | transferred to/from DataBuffer.See \r | |
854 | HostAdapterStatus, TargetStatus, \r | |
855 | SenseDataLength, and SenseData in that order\r | |
856 | for additional status information.\r | |
857 | @retval EFI_BAD_BUFFER_SIZE The SCSI Request Packet was executed, \r | |
858 | but the entire DataBuffer could not be transferred.\r | |
859 | The actual number of bytes transferred is returned\r | |
860 | in TransferLength. See HostAdapterStatus, \r | |
861 | TargetStatus, SenseDataLength, and SenseData in \r | |
862 | that order for additional status information.\r | |
863 | @retval EFI_NOT_READY The SCSI Request Packet could not be sent because \r | |
864 | there are too many SCSI Command Packets already \r | |
865 | queued.The caller may retry again later.\r | |
866 | @retval EFI_DEVICE_ERROR A device error occurred while attempting to send \r | |
867 | the SCSI Request Packet. See HostAdapterStatus, \r | |
868 | TargetStatus, SenseDataLength, and SenseData in \r | |
869 | that order for additional status information.\r | |
870 | @retval EFI_INVALID_PARAMETER The contents of CommandPacket are invalid. \r | |
871 | The SCSI Request Packet was not sent, so no \r | |
872 | additional status information is available.\r | |
873 | @retval EFI_UNSUPPORTED The command described by the SCSI Request Packet\r | |
874 | is not supported by the SCSI initiator(i.e., SCSI \r | |
875 | Host Controller). The SCSI Request Packet was not\r | |
876 | sent, so no additional status information is \r | |
877 | available.\r | |
878 | @retval EFI_TIMEOUT A timeout occurred while waiting for the SCSI \r | |
879 | Request Packet to execute. See HostAdapterStatus,\r | |
880 | TargetStatus, SenseDataLength, and SenseData in \r | |
881 | that order for additional status information.\r | |
882 | **/\r | |
883 | EFI_STATUS\r | |
884 | EFIAPI\r | |
885 | ScsiExecuteSCSICommand (\r | |
886 | IN EFI_SCSI_IO_PROTOCOL *This,\r | |
887 | IN OUT EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet,\r | |
888 | IN EFI_EVENT Event OPTIONAL\r | |
889 | )\r | |
3a10d471 | 890 | {\r |
f36d6e66 | 891 | SCSI_IO_DEV *ScsiIoDevice;\r |
892 | EFI_STATUS Status;\r | |
70c94b3b | 893 | UINT8 Target[TARGET_MAX_BYTES];\r |
894 | EFI_EVENT PacketEvent;\r | |
895 | EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *ExtRequestPacket;\r | |
f36d6e66 | 896 | SCSI_EVENT_DATA EventData; \r |
3a10d471 | 897 | \r |
70c94b3b | 898 | PacketEvent = NULL;\r |
f36d6e66 | 899 | \r |
3a10d471 | 900 | if (Packet == NULL) {\r |
901 | return EFI_INVALID_PARAMETER;\r | |
902 | }\r | |
903 | \r | |
904 | ScsiIoDevice = SCSI_IO_DEV_FROM_THIS (This);\r | |
70c94b3b | 905 | CopyMem (Target,&ScsiIoDevice->Pun, TARGET_MAX_BYTES);\r |
c52fa98c | 906 | \r |
70c94b3b | 907 | if (ScsiIoDevice->ExtScsiSupport) {\r |
908 | ExtRequestPacket = (EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *) Packet;\r | |
909 | Status = ScsiIoDevice->ExtScsiPassThru->PassThru (\r | |
910 | ScsiIoDevice->ExtScsiPassThru,\r | |
911 | Target,\r | |
912 | ScsiIoDevice->Lun,\r | |
913 | ExtRequestPacket,\r | |
914 | Event\r | |
915 | );\r | |
916 | } else {\r | |
3a10d471 | 917 | \r |
9b38ff34 | 918 | mWorkingBuffer = AllocatePool (sizeof(EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET));\r |
3a10d471 | 919 | \r |
9b38ff34 | 920 | if (mWorkingBuffer == NULL) {\r |
70c94b3b | 921 | return EFI_DEVICE_ERROR;\r |
922 | }\r | |
923 | \r | |
924 | //\r | |
c52fa98c | 925 | // Convert package into EFI1.0, EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET.\r |
70c94b3b | 926 | //\r |
9beb888e | 927 | Status = ScsiioToPassThruPacket(Packet, (EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET*)mWorkingBuffer);\r |
70c94b3b | 928 | if (EFI_ERROR(Status)) {\r |
9beb888e | 929 | FreePool(mWorkingBuffer);\r |
70c94b3b | 930 | return Status;\r |
931 | }\r | |
932 | \r | |
7077edb3 | 933 | if (((ScsiIoDevice->ScsiPassThru->Mode->Attributes & EFI_SCSI_PASS_THRU_ATTRIBUTES_NONBLOCKIO) != 0) && (Event != NULL)) {\r |
70c94b3b | 934 | EventData.Data1 = (VOID*)Packet;\r |
935 | EventData.Data2 = Event;\r | |
936 | //\r | |
937 | // Create Event\r | |
938 | //\r | |
939 | Status = gBS->CreateEvent (\r | |
940 | EVT_NOTIFY_SIGNAL,\r | |
941 | TPL_CALLBACK,\r | |
942 | NotifyFunction,\r | |
943 | &EventData,\r | |
944 | &PacketEvent\r | |
945 | );\r | |
946 | if (EFI_ERROR(Status)) {\r | |
9beb888e | 947 | FreePool(mWorkingBuffer);\r |
70c94b3b | 948 | return Status;\r |
949 | }\r | |
c52fa98c | 950 | \r |
70c94b3b | 951 | Status = ScsiIoDevice->ScsiPassThru->PassThru (\r |
952 | ScsiIoDevice->ScsiPassThru,\r | |
953 | ScsiIoDevice->Pun.ScsiId.Scsi,\r | |
954 | ScsiIoDevice->Lun,\r | |
9beb888e | 955 | mWorkingBuffer,\r |
70c94b3b | 956 | PacketEvent\r |
957 | );\r | |
958 | \r | |
959 | if (EFI_ERROR(Status)) {\r | |
9b38ff34 | 960 | FreePool(mWorkingBuffer);\r |
70c94b3b | 961 | gBS->CloseEvent(PacketEvent);\r |
962 | return Status;\r | |
963 | }\r | |
c52fa98c | 964 | \r |
70c94b3b | 965 | } else {\r |
966 | //\r | |
967 | // If there's no event or SCSI Device doesn't support NON-BLOCKING, just convert\r | |
968 | // EFI1.0 PassThru packet back to UEFI2.0 SCSI IO Packet.\r | |
969 | //\r | |
970 | Status = ScsiIoDevice->ScsiPassThru->PassThru (\r | |
971 | ScsiIoDevice->ScsiPassThru,\r | |
972 | ScsiIoDevice->Pun.ScsiId.Scsi,\r | |
973 | ScsiIoDevice->Lun,\r | |
9beb888e | 974 | mWorkingBuffer,\r |
70c94b3b | 975 | Event\r |
976 | );\r | |
977 | if (EFI_ERROR(Status)) {\r | |
9beb888e | 978 | FreePool(mWorkingBuffer);\r |
70c94b3b | 979 | return Status;\r |
980 | }\r | |
981 | \r | |
9beb888e | 982 | PassThruToScsiioPacket((EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET*)mWorkingBuffer,Packet);\r |
70c94b3b | 983 | //\r |
984 | // After converting EFI1.0 PassThru Packet back to UEFI2.0 SCSI IO Packet,\r | |
9beb888e | 985 | // free mWorkingBuffer.\r |
70c94b3b | 986 | //\r |
9beb888e | 987 | FreePool(mWorkingBuffer);\r |
70c94b3b | 988 | }\r |
989 | }\r | |
3a10d471 | 990 | return Status;\r |
991 | }\r | |
992 | \r | |
3a10d471 | 993 | \r |
9beb888e | 994 | /**\r |
70c94b3b | 995 | Scan SCSI Bus to discover the device, and attach ScsiIoProtocol to it.\r |
3a10d471 | 996 | \r |
9beb888e | 997 | @param This Protocol instance pointer\r |
998 | @param Controller Controller handle\r | |
999 | @param TargetId Tartget to be scanned\r | |
1000 | @param Lun The Lun of the SCSI device on the SCSI channel.\r | |
1001 | @param ScsiBusDev The pointer of SCSI_BUS_DEVICE\r | |
3a10d471 | 1002 | \r |
9beb888e | 1003 | @retval EFI_SUCCESS Successfully to discover the device and attach\r |
1004 | ScsiIoProtocol to it.\r | |
1005 | @retval EFI_OUT_OF_RESOURCES Fail to discover the device.\r | |
3a10d471 | 1006 | \r |
9beb888e | 1007 | **/\r |
1008 | EFI_STATUS\r | |
1009 | EFIAPI\r | |
1010 | ScsiScanCreateDevice (\r | |
1011 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
1012 | IN EFI_HANDLE Controller,\r | |
1013 | IN SCSI_TARGET_ID *TargetId,\r | |
1014 | IN UINT64 Lun,\r | |
1015 | IN OUT SCSI_BUS_DEVICE *ScsiBusDev\r | |
1016 | )\r | |
3a10d471 | 1017 | {\r |
1018 | EFI_STATUS Status;\r | |
1019 | SCSI_IO_DEV *ScsiIoDevice;\r | |
1020 | EFI_DEVICE_PATH_PROTOCOL *ScsiDevicePath;\r | |
cbd2a4b3 | 1021 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r |
1022 | EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath;\r | |
1023 | EFI_HANDLE DeviceHandle;\r | |
1024 | \r | |
1025 | DevicePath = NULL;\r | |
1026 | RemainingDevicePath = NULL;\r | |
1027 | ScsiDevicePath = NULL;\r | |
1028 | ScsiIoDevice = NULL;\r | |
1029 | \r | |
1030 | //\r | |
1031 | // Build Device Path\r | |
1032 | //\r | |
1033 | if (ScsiBusDev->ExtScsiSupport){\r | |
1034 | Status = ScsiBusDev->ExtScsiInterface->BuildDevicePath (\r | |
1035 | ScsiBusDev->ExtScsiInterface,\r | |
1036 | &TargetId->ScsiId.ExtScsi[0],\r | |
1037 | Lun,\r | |
1038 | &ScsiDevicePath\r | |
1039 | );\r | |
1040 | } else {\r | |
e7c2a83b | 1041 | Status = ScsiBusDev->ScsiInterface->BuildDevicePath (\r |
1042 | ScsiBusDev->ScsiInterface,\r | |
1043 | TargetId->ScsiId.Scsi,\r | |
1044 | Lun,\r | |
1045 | &ScsiDevicePath\r | |
1046 | );\r | |
cbd2a4b3 | 1047 | }\r |
1048 | \r | |
1049 | if (EFI_ERROR(Status)) {\r | |
1050 | return Status;\r | |
1051 | }\r | |
1052 | \r | |
1053 | DevicePath = AppendDevicePathNode (\r | |
1054 | ScsiBusDev->DevicePath,\r | |
1055 | ScsiDevicePath\r | |
1056 | );\r | |
1057 | \r | |
1058 | if (DevicePath == NULL) {\r | |
1059 | Status = EFI_OUT_OF_RESOURCES;\r | |
1060 | goto ErrorExit;\r | |
1061 | }\r | |
1062 | \r | |
1063 | DeviceHandle = NULL;\r | |
1064 | RemainingDevicePath = DevicePath;\r | |
1065 | Status = gBS->LocateDevicePath (&gEfiDevicePathProtocolGuid, &RemainingDevicePath, &DeviceHandle);\r | |
1066 | if (!EFI_ERROR (Status) && (DeviceHandle != NULL) && IsDevicePathEnd(RemainingDevicePath)) {\r | |
1067 | //\r | |
1068 | // The device has been started, directly return to fast boot.\r | |
1069 | //\r | |
1070 | Status = EFI_ALREADY_STARTED;\r | |
1071 | goto ErrorExit;\r | |
1072 | }\r | |
3a10d471 | 1073 | \r |
9beb888e | 1074 | ScsiIoDevice = AllocateZeroPool (sizeof (SCSI_IO_DEV));\r |
1075 | if (ScsiIoDevice == NULL) {\r | |
cbd2a4b3 | 1076 | Status = EFI_OUT_OF_RESOURCES;\r |
1077 | goto ErrorExit;\r | |
3a10d471 | 1078 | }\r |
1079 | \r | |
3a10d471 | 1080 | ScsiIoDevice->Signature = SCSI_IO_DEV_SIGNATURE;\r |
70c94b3b | 1081 | CopyMem(&ScsiIoDevice->Pun, TargetId, TARGET_MAX_BYTES);\r |
3a10d471 | 1082 | ScsiIoDevice->Lun = Lun;\r |
1083 | \r | |
70c94b3b | 1084 | if (ScsiBusDev->ExtScsiSupport) {\r |
1085 | ScsiIoDevice->ExtScsiPassThru = ScsiBusDev->ExtScsiInterface;\r | |
1086 | ScsiIoDevice->ExtScsiSupport = TRUE;\r | |
1087 | ScsiIoDevice->ScsiIo.IoAlign = ScsiIoDevice->ExtScsiPassThru->Mode->IoAlign;\r | |
1088 | \r | |
1089 | } else {\r | |
1090 | ScsiIoDevice->ScsiPassThru = ScsiBusDev->ScsiInterface;\r | |
1091 | ScsiIoDevice->ExtScsiSupport = FALSE;\r | |
1092 | ScsiIoDevice->ScsiIo.IoAlign = ScsiIoDevice->ScsiPassThru->Mode->IoAlign;\r | |
1093 | }\r | |
1094 | \r | |
3a10d471 | 1095 | ScsiIoDevice->ScsiIo.GetDeviceType = ScsiGetDeviceType;\r |
70c94b3b | 1096 | ScsiIoDevice->ScsiIo.GetDeviceLocation = ScsiGetDeviceLocation;\r |
3a10d471 | 1097 | ScsiIoDevice->ScsiIo.ResetBus = ScsiResetBus;\r |
1098 | ScsiIoDevice->ScsiIo.ResetDevice = ScsiResetDevice;\r | |
24e734d2 | 1099 | ScsiIoDevice->ScsiIo.ExecuteScsiCommand = ScsiExecuteSCSICommand;\r |
3a10d471 | 1100 | \r |
1101 | if (!DiscoverScsiDevice (ScsiIoDevice)) {\r | |
cbd2a4b3 | 1102 | Status = EFI_OUT_OF_RESOURCES;\r |
1103 | goto ErrorExit;\r | |
3a10d471 | 1104 | }\r |
70c94b3b | 1105 | \r |
cbd2a4b3 | 1106 | ScsiIoDevice->DevicePath = DevicePath;\r |
c52fa98c | 1107 | \r |
3a10d471 | 1108 | Status = gBS->InstallMultipleProtocolInterfaces (\r |
1109 | &ScsiIoDevice->Handle,\r | |
1110 | &gEfiDevicePathProtocolGuid,\r | |
1111 | ScsiIoDevice->DevicePath,\r | |
1112 | &gEfiScsiIoProtocolGuid,\r | |
1113 | &ScsiIoDevice->ScsiIo,\r | |
1114 | NULL\r | |
1115 | );\r | |
1116 | if (EFI_ERROR (Status)) {\r | |
cbd2a4b3 | 1117 | goto ErrorExit;\r |
3a10d471 | 1118 | } else {\r |
70c94b3b | 1119 | if (ScsiBusDev->ExtScsiSupport) {\r |
1120 | gBS->OpenProtocol (\r | |
cbd2a4b3 | 1121 | Controller,\r |
1122 | &gEfiExtScsiPassThruProtocolGuid,\r | |
1123 | (VOID **) &(ScsiBusDev->ExtScsiInterface),\r | |
1124 | This->DriverBindingHandle,\r | |
1125 | ScsiIoDevice->Handle,\r | |
1126 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r | |
1127 | );\r | |
70c94b3b | 1128 | } else {\r |
1129 | gBS->OpenProtocol (\r | |
cbd2a4b3 | 1130 | Controller,\r |
1131 | &gEfiScsiPassThruProtocolGuid,\r | |
1132 | (VOID **) &(ScsiBusDev->ScsiInterface),\r | |
1133 | This->DriverBindingHandle,\r | |
1134 | ScsiIoDevice->Handle,\r | |
1135 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r | |
1136 | );\r | |
70c94b3b | 1137 | }\r |
3a10d471 | 1138 | }\r |
3a10d471 | 1139 | return EFI_SUCCESS;\r |
cbd2a4b3 | 1140 | \r |
1141 | ErrorExit:\r | |
1142 | \r | |
1143 | //\r | |
1144 | // The memory space for ScsiDevicePath is allocated in\r | |
1145 | // ScsiPassThru->BuildDevicePath() function; It is no longer used\r | |
1146 | // after AppendDevicePathNode,so free the memory it occupies.\r | |
1147 | //\r | |
1148 | FreePool (ScsiDevicePath);\r | |
1149 | \r | |
1150 | if (DevicePath != NULL) {\r | |
1151 | FreePool (DevicePath);\r | |
1152 | }\r | |
1153 | \r | |
1154 | if (ScsiIoDevice != NULL) {\r | |
1155 | FreePool (ScsiIoDevice);\r | |
1156 | }\r | |
1157 | \r | |
1158 | return Status;\r | |
3a10d471 | 1159 | }\r |
1160 | \r | |
3a10d471 | 1161 | \r |
9beb888e | 1162 | /**\r |
70c94b3b | 1163 | Discovery SCSI Device\r |
3a10d471 | 1164 | \r |
9beb888e | 1165 | @param ScsiIoDevice The pointer of SCSI_IO_DEV\r |
3a10d471 | 1166 | \r |
9beb888e | 1167 | @retval TRUE Find SCSI Device and verify it.\r |
1168 | @retval FALSE Unable to find SCSI Device.\r | |
3a10d471 | 1169 | \r |
9beb888e | 1170 | **/\r |
1171 | BOOLEAN\r | |
1172 | DiscoverScsiDevice (\r | |
1173 | IN OUT SCSI_IO_DEV *ScsiIoDevice\r | |
1174 | )\r | |
3a10d471 | 1175 | {\r |
1176 | EFI_STATUS Status;\r | |
3a10d471 | 1177 | UINT32 InquiryDataLength;\r |
3a10d471 | 1178 | UINT8 SenseDataLength;\r |
1179 | UINT8 HostAdapterStatus;\r | |
1180 | UINT8 TargetStatus;\r | |
70c94b3b | 1181 | EFI_SCSI_SENSE_DATA SenseData;\r |
1182 | EFI_SCSI_INQUIRY_DATA InquiryData;\r | |
cbd2a4b3 | 1183 | UINT8 MaxRetry;\r |
1184 | UINT8 Index;\r | |
3a10d471 | 1185 | \r |
1186 | HostAdapterStatus = 0;\r | |
1187 | TargetStatus = 0;\r | |
1188 | //\r | |
1189 | // Using Inquiry command to scan for the device\r | |
1190 | //\r | |
1191 | InquiryDataLength = sizeof (EFI_SCSI_INQUIRY_DATA);\r | |
c9325700 | 1192 | SenseDataLength = (UINT8) sizeof (EFI_SCSI_SENSE_DATA);\r |
cbd2a4b3 | 1193 | ZeroMem (&InquiryData, InquiryDataLength);\r |
1194 | \r | |
1195 | MaxRetry = 2;\r | |
1196 | for (Index = 0; Index < MaxRetry; Index++) {\r | |
1197 | Status = ScsiInquiryCommand (\r | |
1198 | &ScsiIoDevice->ScsiIo,\r | |
1199 | EFI_TIMER_PERIOD_SECONDS (1),\r | |
1200 | (VOID *) &SenseData,\r | |
1201 | &SenseDataLength,\r | |
1202 | &HostAdapterStatus,\r | |
1203 | &TargetStatus,\r | |
1204 | (VOID *) &InquiryData,\r | |
1205 | &InquiryDataLength,\r | |
1206 | FALSE\r | |
1207 | );\r | |
1208 | if (!EFI_ERROR (Status)) {\r | |
1209 | break;\r | |
1210 | } else if ((Status == EFI_BAD_BUFFER_SIZE) || \r | |
1211 | (Status == EFI_INVALID_PARAMETER) ||\r | |
1212 | (Status == EFI_UNSUPPORTED)) {\r | |
1213 | return FALSE;\r | |
1214 | }\r | |
1215 | }\r | |
3a10d471 | 1216 | \r |
cbd2a4b3 | 1217 | if (Index == MaxRetry) {\r |
3a10d471 | 1218 | return FALSE;\r |
1219 | }\r | |
cbd2a4b3 | 1220 | \r |
3a10d471 | 1221 | //\r |
1222 | // Retrieved inquiry data successfully\r | |
1223 | //\r | |
1224 | if ((InquiryData.Peripheral_Qualifier != 0) &&\r | |
1225 | (InquiryData.Peripheral_Qualifier != 3)) {\r | |
1226 | return FALSE;\r | |
1227 | }\r | |
1228 | \r | |
1229 | if (InquiryData.Peripheral_Qualifier == 3) {\r | |
1230 | if (InquiryData.Peripheral_Type != 0x1f) {\r | |
1231 | return FALSE;\r | |
1232 | }\r | |
1233 | }\r | |
1234 | \r | |
67a58d0f | 1235 | if (0x1e >= InquiryData.Peripheral_Type && InquiryData.Peripheral_Type >= 0xa) {\r |
3a10d471 | 1236 | return FALSE;\r |
1237 | }\r | |
c52fa98c | 1238 | \r |
3a10d471 | 1239 | //\r |
1240 | // valid device type and peripheral qualifier combination.\r | |
1241 | //\r | |
1242 | ScsiIoDevice->ScsiDeviceType = InquiryData.Peripheral_Type;\r | |
fbfa4a1d | 1243 | ScsiIoDevice->RemovableDevice = InquiryData.Rmb;\r |
3a10d471 | 1244 | if (InquiryData.Version == 0) {\r |
1245 | ScsiIoDevice->ScsiVersion = 0;\r | |
1246 | } else {\r | |
1247 | //\r | |
1248 | // ANSI-approved version\r | |
1249 | //\r | |
379f83df | 1250 | ScsiIoDevice->ScsiVersion = (UINT8) (InquiryData.Version & 0x07);\r |
3a10d471 | 1251 | }\r |
1252 | \r | |
1253 | return TRUE;\r | |
1254 | }\r | |
70c94b3b | 1255 | \r |
1256 | \r | |
9beb888e | 1257 | /**\r |
1258 | Convert EFI_SCSI_IO_SCSI_REQUEST_PACKET packet to EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET packet.\r | |
1259 | \r | |
1260 | @param Packet The pointer of EFI_SCSI_IO_SCSI_REQUEST_PACKET\r | |
1261 | @param CommandPacket The pointer of EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET\r | |
1262 | \r | |
1263 | **/\r | |
70c94b3b | 1264 | EFI_STATUS\r |
1265 | EFIAPI\r | |
1266 | ScsiioToPassThruPacket (\r | |
1267 | IN EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet,\r | |
9beb888e | 1268 | OUT EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *CommandPacket\r |
70c94b3b | 1269 | )\r |
70c94b3b | 1270 | {\r |
1271 | //\r | |
1272 | //EFI 1.10 doesn't support Bi-Direction Command.\r | |
1273 | //\r | |
1274 | if (Packet->DataDirection == EFI_SCSI_IO_DATA_DIRECTION_BIDIRECTIONAL) {\r | |
1275 | return EFI_UNSUPPORTED;\r | |
1276 | }\r | |
c52fa98c | 1277 | \r |
70c94b3b | 1278 | ZeroMem (CommandPacket, sizeof (EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET));\r |
1279 | \r | |
1280 | CommandPacket->Timeout = Packet->Timeout;\r | |
1281 | CommandPacket->Cdb = Packet->Cdb;\r | |
1282 | CommandPacket->CdbLength = Packet->CdbLength;\r | |
1283 | CommandPacket->DataDirection = Packet->DataDirection;\r | |
1284 | CommandPacket->HostAdapterStatus = Packet->HostAdapterStatus;\r | |
1285 | CommandPacket->TargetStatus = Packet->TargetStatus;\r | |
1286 | CommandPacket->SenseData = Packet->SenseData;\r | |
1287 | CommandPacket->SenseDataLength = Packet->SenseDataLength;\r | |
1288 | \r | |
1289 | if (Packet->DataDirection == EFI_SCSI_IO_DATA_DIRECTION_READ) {\r | |
1290 | CommandPacket->DataBuffer = Packet->InDataBuffer;\r | |
1291 | CommandPacket->TransferLength = Packet->InTransferLength;\r | |
1292 | } else if (Packet->DataDirection == EFI_SCSI_IO_DATA_DIRECTION_WRITE) {\r | |
1293 | CommandPacket->DataBuffer = Packet->OutDataBuffer;\r | |
1294 | CommandPacket->TransferLength = Packet->OutTransferLength;\r | |
1295 | }\r | |
1296 | return EFI_SUCCESS;\r | |
1297 | }\r | |
1298 | \r | |
1299 | \r | |
9beb888e | 1300 | /**\r |
1301 | Convert EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET packet to EFI_SCSI_IO_SCSI_REQUEST_PACKET packet.\r | |
1302 | \r | |
1303 | @param ScsiPacket The pointer of EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET\r | |
1304 | @param Packet The pointer of EFI_SCSI_IO_SCSI_REQUEST_PACKET\r | |
1305 | \r | |
1306 | **/\r | |
70c94b3b | 1307 | EFI_STATUS\r |
1308 | EFIAPI\r | |
1309 | PassThruToScsiioPacket (\r | |
1310 | IN EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *ScsiPacket,\r | |
9beb888e | 1311 | OUT EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet\r |
70c94b3b | 1312 | )\r |
70c94b3b | 1313 | {\r |
1314 | Packet->Timeout = ScsiPacket->Timeout;\r | |
1315 | Packet->Cdb = ScsiPacket->Cdb;\r | |
1316 | Packet->CdbLength = ScsiPacket->CdbLength;\r | |
1317 | Packet->DataDirection = ScsiPacket->DataDirection;\r | |
1318 | Packet->HostAdapterStatus = ScsiPacket->HostAdapterStatus;\r | |
1319 | Packet->TargetStatus = ScsiPacket->TargetStatus;\r | |
1320 | Packet->SenseData = ScsiPacket->SenseData;\r | |
1321 | Packet->SenseDataLength = ScsiPacket->SenseDataLength;\r | |
1322 | \r | |
1323 | if (ScsiPacket->DataDirection == EFI_SCSI_IO_DATA_DIRECTION_READ) {\r | |
1324 | Packet->InDataBuffer = ScsiPacket->DataBuffer;\r | |
1325 | Packet->InTransferLength = ScsiPacket->TransferLength;\r | |
1326 | } else if (Packet->DataDirection == EFI_SCSI_IO_DATA_DIRECTION_WRITE) {\r | |
1327 | Packet->OutDataBuffer = ScsiPacket->DataBuffer;\r | |
1328 | Packet->OutTransferLength = ScsiPacket->TransferLength;\r | |
1329 | }\r | |
c52fa98c | 1330 | \r |
70c94b3b | 1331 | return EFI_SUCCESS;\r |
1332 | }\r | |
1333 | \r | |
9beb888e | 1334 | /**\r |
1335 | Notify Function in which convert EFI1.0 PassThru Packet back to UEF2.0\r | |
1336 | SCSI IO Packet.\r | |
70c94b3b | 1337 | \r |
9beb888e | 1338 | @param Event The instance of EFI_EVENT.\r |
1339 | @param Context The parameter passed in.\r | |
70c94b3b | 1340 | \r |
9beb888e | 1341 | **/\r |
70c94b3b | 1342 | VOID\r |
1343 | EFIAPI\r | |
1344 | NotifyFunction (\r | |
9beb888e | 1345 | IN EFI_EVENT Event,\r |
1346 | IN VOID *Context\r | |
70c94b3b | 1347 | )\r |
70c94b3b | 1348 | {\r |
1349 | EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet;\r | |
1350 | EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *ScsiPacket;\r | |
1351 | EFI_EVENT CallerEvent;\r | |
c52fa98c | 1352 | SCSI_EVENT_DATA *PassData;\r |
70c94b3b | 1353 | \r |
1354 | PassData = (SCSI_EVENT_DATA*)Context;\r | |
1355 | Packet = (EFI_SCSI_IO_SCSI_REQUEST_PACKET *)PassData->Data1;\r | |
9beb888e | 1356 | ScsiPacket = (EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET*)mWorkingBuffer;\r |
70c94b3b | 1357 | \r |
1358 | //\r | |
1359 | // Convert EFI1.0 PassThru packet to UEFI2.0 SCSI IO Packet.\r | |
1360 | //\r | |
1361 | PassThruToScsiioPacket(ScsiPacket, Packet);\r | |
c52fa98c | 1362 | \r |
70c94b3b | 1363 | //\r |
1364 | // After converting EFI1.0 PassThru Packet back to UEFI2.0 SCSI IO Packet,\r | |
9beb888e | 1365 | // free mWorkingBuffer.\r |
70c94b3b | 1366 | //\r |
9beb888e | 1367 | gBS->FreePool(mWorkingBuffer);\r |
70c94b3b | 1368 | \r |
1369 | //\r | |
1370 | // Signal Event to tell caller to pick up UEFI2.0 SCSI IO Packet.\r | |
1371 | //\r | |
1372 | CallerEvent = PassData->Data2;\r | |
1373 | gBS->CloseEvent(Event);\r | |
1374 | gBS->SignalEvent(CallerEvent);\r | |
1375 | }\r | |
9beb888e | 1376 | \r |