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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 |
177 | return EFI_SUCCESS;\r | |
178 | } else {\r | |
179 | //\r | |
180 | // If RemainingDevicePath isn't the End of Device Path Node, check its validation\r | |
181 | //\r | |
182 | Status = ExtPassThru->GetTargetLun (ExtPassThru, RemainingDevicePath, &TargetId, &Lun);\r | |
af4a6385 | 183 | //\r |
d548f0a1 | 184 | // Close protocol regardless of RemainingDevicePath validation\r |
af4a6385 | 185 | //\r |
d548f0a1 | 186 | gBS->CloseProtocol (\r |
187 | Controller,\r | |
188 | &gEfiExtScsiPassThruProtocolGuid,\r | |
189 | This->DriverBindingHandle,\r | |
190 | Controller\r | |
191 | ); \r | |
192 | if (!EFI_ERROR(Status)) {\r | |
193 | return EFI_SUCCESS;\r | |
af4a6385 | 194 | }\r |
195 | }\r | |
196 | }\r | |
197 | \r | |
3a10d471 | 198 | //\r |
d548f0a1 | 199 | // Come here in 2 condition: \r |
200 | // 1. ExtPassThru doesn't exist.\r | |
201 | // 2. ExtPassThru exists but RemainingDevicePath is invalid.\r | |
3a10d471 | 202 | //\r |
203 | Status = gBS->OpenProtocol (\r | |
204 | Controller,\r | |
d548f0a1 | 205 | &gEfiScsiPassThruProtocolGuid,\r |
206 | (VOID **)&PassThru,\r | |
3a10d471 | 207 | This->DriverBindingHandle,\r |
208 | Controller,\r | |
70c94b3b | 209 | EFI_OPEN_PROTOCOL_BY_DRIVER\r |
3a10d471 | 210 | );\r |
d548f0a1 | 211 | \r |
70c94b3b | 212 | if (Status == EFI_ALREADY_STARTED) {\r |
213 | return EFI_SUCCESS;\r | |
214 | }\r | |
d548f0a1 | 215 | \r |
70c94b3b | 216 | if (EFI_ERROR (Status)) {\r |
d548f0a1 | 217 | return Status;\r |
3a10d471 | 218 | }\r |
d548f0a1 | 219 | \r |
af4a6385 | 220 | //\r |
d548f0a1 | 221 | // Test RemainingDevicePath is valid or not.\r |
af4a6385 | 222 | //\r |
d548f0a1 | 223 | if ((RemainingDevicePath != NULL) && !IsDevicePathEnd (RemainingDevicePath)) {\r |
224 | Status = PassThru->GetTargetLun (PassThru, RemainingDevicePath, &ScsiTargetId.ScsiId.Scsi, &Lun);\r | |
225 | }\r | |
226 | \r | |
70c94b3b | 227 | gBS->CloseProtocol (\r |
d548f0a1 | 228 | Controller,\r |
229 | &gEfiScsiPassThruProtocolGuid,\r | |
230 | This->DriverBindingHandle,\r | |
231 | Controller\r | |
232 | );\r | |
233 | return Status;\r | |
3a10d471 | 234 | }\r |
235 | \r | |
9beb888e | 236 | \r |
237 | /**\r | |
238 | Start this driver on ControllerHandle.\r | |
239 | \r | |
240 | This service is called by the EFI boot service ConnectController(). In order\r | |
241 | to make drivers as small as possible, there are a few calling restrictions for\r | |
242 | this service. ConnectController() must follow these calling restrictions. If\r | |
243 | any other agent wishes to call Start() it must also follow these calling\r | |
244 | restrictions.\r | |
245 | \r | |
246 | @param This Protocol instance pointer.\r | |
247 | @param ControllerHandle Handle of device to bind driver to\r | |
248 | @param RemainingDevicePath Optional parameter use to pick a specific child\r | |
249 | device to start.\r | |
250 | \r | |
251 | @retval EFI_SUCCESS This driver is added to ControllerHandle\r | |
252 | @retval EFI_ALREADY_STARTED This driver is already running on ControllerHandle\r | |
253 | @retval other This driver does not support this device\r | |
254 | \r | |
255 | **/\r | |
3a10d471 | 256 | EFI_STATUS\r |
257 | EFIAPI\r | |
258 | SCSIBusDriverBindingStart (\r | |
259 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
260 | IN EFI_HANDLE Controller,\r | |
261 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
262 | )\r | |
3a10d471 | 263 | {\r |
f36d6e66 | 264 | UINT64 Lun;\r |
265 | UINT8 *TargetId;\r | |
266 | BOOLEAN ScanOtherPuns;\r | |
267 | BOOLEAN FromFirstTarget;\r | |
268 | BOOLEAN ExtScsiSupport;\r | |
269 | EFI_STATUS Status;\r | |
270 | EFI_STATUS DevicePathStatus;\r | |
271 | EFI_STATUS PassThruStatus;\r | |
272 | SCSI_BUS_DEVICE *ScsiBusDev;\r | |
d548f0a1 | 273 | SCSI_TARGET_ID ScsiTargetId;\r |
f36d6e66 | 274 | EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath;\r |
275 | EFI_SCSI_PASS_THRU_PROTOCOL *ScsiInterface;\r | |
276 | EFI_EXT_SCSI_PASS_THRU_PROTOCOL *ExtScsiInterface;\r | |
277 | EFI_SCSI_BUS_PROTOCOL *BusIdentify;\r | |
278 | \r | |
279 | TargetId = NULL;\r | |
f36d6e66 | 280 | ScanOtherPuns = TRUE;\r |
70c94b3b | 281 | FromFirstTarget = FALSE;\r |
f36d6e66 | 282 | ExtScsiSupport = FALSE;\r |
283 | PassThruStatus = EFI_SUCCESS;\r | |
9beb888e | 284 | \r |
d548f0a1 | 285 | TargetId = &ScsiTargetId.ScsiId.ExtScsi[0];\r |
286 | SetMem (TargetId, TARGET_MAX_BYTES, 0xFF);\r | |
f36d6e66 | 287 | \r |
288 | DevicePathStatus = gBS->OpenProtocol (\r | |
289 | Controller,\r | |
290 | &gEfiDevicePathProtocolGuid,\r | |
291 | (VOID **) &ParentDevicePath,\r | |
292 | This->DriverBindingHandle,\r | |
293 | Controller,\r | |
294 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
295 | );\r | |
296 | if (EFI_ERROR (DevicePathStatus) && (DevicePathStatus != EFI_ALREADY_STARTED)) {\r | |
297 | return DevicePathStatus;\r | |
3a10d471 | 298 | }\r |
299 | \r | |
300 | //\r | |
f36d6e66 | 301 | // To keep backward compatibility, UEFI ExtPassThru Protocol is supported as well as \r |
302 | // EFI PassThru Protocol. From priority perspective, ExtPassThru Protocol is firstly\r | |
303 | // tried to open on host controller handle. If fails, then PassThru Protocol is tried instead.\r | |
3a10d471 | 304 | //\r |
305 | Status = gBS->OpenProtocol (\r | |
306 | Controller,\r | |
70c94b3b | 307 | &gEfiExtScsiPassThruProtocolGuid,\r |
f36d6e66 | 308 | (VOID **) &ExtScsiInterface,\r |
3a10d471 | 309 | This->DriverBindingHandle,\r |
310 | Controller,\r | |
311 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
312 | );\r | |
f36d6e66 | 313 | //\r |
314 | // Fail to open UEFI ExtendPassThru Protocol, then try to open EFI PassThru Protocol instead.\r | |
315 | //\r | |
316 | if (EFI_ERROR(Status) && (Status != EFI_ALREADY_STARTED)) {\r | |
70c94b3b | 317 | Status = gBS->OpenProtocol (\r |
318 | Controller,\r | |
319 | &gEfiScsiPassThruProtocolGuid,\r | |
f36d6e66 | 320 | (VOID **) &ScsiInterface,\r |
70c94b3b | 321 | This->DriverBindingHandle,\r |
322 | Controller,\r | |
323 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
324 | );\r | |
f36d6e66 | 325 | //\r |
326 | // Fail to open EFI PassThru Protocol, Close the DevicePathProtocol if it is opened by this time.\r | |
327 | //\r | |
328 | if (EFI_ERROR (Status) && (Status != EFI_ALREADY_STARTED)) {\r | |
329 | if (!EFI_ERROR(DevicePathStatus)) {\r | |
330 | gBS->CloseProtocol (\r | |
331 | Controller,\r | |
332 | &gEfiDevicePathProtocolGuid,\r | |
333 | This->DriverBindingHandle,\r | |
334 | Controller\r | |
335 | );\r | |
336 | } \r | |
70c94b3b | 337 | return Status;\r |
f36d6e66 | 338 | } \r |
70c94b3b | 339 | } else {\r |
f36d6e66 | 340 | //\r |
341 | // Succeed to open ExtPassThru Protocol, and meanwhile open PassThru Protocol \r | |
342 | // with BY_DRIVER if it is also present on the handle. The intent is to prevent \r | |
343 | // another SCSI Bus Driver to work on the same host handle.\r | |
344 | //\r | |
345 | ExtScsiSupport = TRUE;\r | |
346 | PassThruStatus = gBS->OpenProtocol (\r | |
347 | Controller,\r | |
348 | &gEfiScsiPassThruProtocolGuid,\r | |
349 | (VOID **) &ScsiInterface,\r | |
350 | This->DriverBindingHandle,\r | |
351 | Controller,\r | |
352 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
353 | );\r | |
70c94b3b | 354 | }\r |
f36d6e66 | 355 | \r |
356 | if (Status != EFI_ALREADY_STARTED) {\r | |
357 | //\r | |
358 | // Go through here means either ExtPassThru or PassThru Protocol is successfully opened\r | |
359 | // on this handle for this time. Then construct Host controller private data.\r | |
360 | //\r | |
361 | ScsiBusDev = NULL;\r | |
362 | ScsiBusDev = AllocateZeroPool(sizeof(SCSI_BUS_DEVICE));\r | |
363 | if (ScsiBusDev == NULL) {\r | |
364 | Status = EFI_OUT_OF_RESOURCES;\r | |
365 | goto ErrorExit;\r | |
366 | }\r | |
367 | ScsiBusDev->Signature = SCSI_BUS_DEVICE_SIGNATURE;\r | |
368 | ScsiBusDev->ExtScsiSupport = ExtScsiSupport;\r | |
369 | ScsiBusDev->DevicePath = ParentDevicePath;\r | |
70c94b3b | 370 | if (ScsiBusDev->ExtScsiSupport) {\r |
f36d6e66 | 371 | ScsiBusDev->ExtScsiInterface = ExtScsiInterface;\r |
70c94b3b | 372 | } else {\r |
f36d6e66 | 373 | ScsiBusDev->ScsiInterface = ScsiInterface; \r |
70c94b3b | 374 | }\r |
f36d6e66 | 375 | \r |
376 | //\r | |
377 | // Install EFI_SCSI_BUS_PROTOCOL to the controller handle, So ScsiBusDev could be\r | |
378 | // retrieved on this controller handle. With ScsiBusDev, we can know which PassThru\r | |
379 | // Protocol is present on the handle, UEFI ExtPassThru Protocol or EFI PassThru Protocol.\r | |
380 | // \r | |
381 | Status = gBS->InstallProtocolInterface (\r | |
382 | &Controller,\r | |
383 | &mScsiBusProtocolGuid,\r | |
384 | EFI_NATIVE_INTERFACE,\r | |
385 | &ScsiBusDev->BusIdentify\r | |
386 | );\r | |
387 | if (EFI_ERROR (Status)) {\r | |
388 | goto ErrorExit;\r | |
389 | }\r | |
390 | } else {\r | |
391 | //\r | |
392 | // Go through here means Start() is re-invoked again, nothing special is required to do except\r | |
393 | // picking up Host controller private information.\r | |
394 | //\r | |
395 | Status = gBS->OpenProtocol (\r | |
396 | Controller,\r | |
397 | &mScsiBusProtocolGuid,\r | |
398 | (VOID **) &BusIdentify,\r | |
399 | This->DriverBindingHandle,\r | |
400 | Controller,\r | |
401 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
402 | );\r | |
403 | \r | |
404 | if (EFI_ERROR (Status)) {\r | |
405 | return Status;\r | |
406 | }\r | |
407 | ScsiBusDev = SCSI_BUS_CONTROLLER_DEVICE_FROM_THIS (BusIdentify);\r | |
3a10d471 | 408 | }\r |
409 | \r | |
af4a6385 | 410 | Lun = 0;\r |
3a10d471 | 411 | if (RemainingDevicePath == NULL) {\r |
af4a6385 | 412 | //\r |
413 | // If RemainingDevicePath is NULL, \r | |
414 | // must enumerate all SCSI devices anyway\r | |
415 | //\r | |
70c94b3b | 416 | FromFirstTarget = TRUE;\r |
af4a6385 | 417 | } else if (!IsDevicePathEnd (RemainingDevicePath)) {\r |
418 | //\r | |
419 | // If RemainingDevicePath isn't the End of Device Path Node, \r | |
420 | // only scan the specified device by RemainingDevicePath\r | |
421 | //\r | |
70c94b3b | 422 | if (ScsiBusDev->ExtScsiSupport) {\r |
f36d6e66 | 423 | ScsiBusDev->ExtScsiInterface->GetTargetLun (ScsiBusDev->ExtScsiInterface, RemainingDevicePath, &TargetId, &Lun); \r |
70c94b3b | 424 | } else {\r |
d548f0a1 | 425 | ScsiBusDev->ScsiInterface->GetTargetLun (ScsiBusDev->ScsiInterface, RemainingDevicePath, &ScsiTargetId.ScsiId.Scsi, &Lun);\r |
70c94b3b | 426 | }\r |
af4a6385 | 427 | \r |
428 | } else {\r | |
429 | //\r | |
430 | // If RemainingDevicePath is the End of Device Path Node,\r | |
431 | // skip enumerate any device and return EFI_SUCESSS\r | |
432 | // \r | |
433 | ScanOtherPuns = FALSE;\r | |
3a10d471 | 434 | }\r |
435 | \r | |
70c94b3b | 436 | while(ScanOtherPuns) {\r |
437 | if (FromFirstTarget) {\r | |
3a10d471 | 438 | //\r |
439 | // Remaining Device Path is NULL, scan all the possible Puns in the\r | |
440 | // SCSI Channel.\r | |
441 | //\r | |
70c94b3b | 442 | if (ScsiBusDev->ExtScsiSupport) {\r |
443 | Status = ScsiBusDev->ExtScsiInterface->GetNextTargetLun (ScsiBusDev->ExtScsiInterface, &TargetId, &Lun);\r | |
444 | } else {\r | |
d548f0a1 | 445 | Status = ScsiBusDev->ScsiInterface->GetNextDevice (ScsiBusDev->ScsiInterface, &ScsiTargetId.ScsiId.Scsi, &Lun);\r |
70c94b3b | 446 | }\r |
3a10d471 | 447 | if (EFI_ERROR (Status)) {\r |
448 | //\r | |
449 | // no legal Pun and Lun found any more\r | |
450 | //\r | |
451 | break;\r | |
452 | }\r | |
453 | } else {\r | |
3a10d471 | 454 | ScanOtherPuns = FALSE;\r |
455 | }\r | |
3a10d471 | 456 | //\r |
457 | // Avoid creating handle for the host adapter.\r | |
458 | //\r | |
70c94b3b | 459 | if (ScsiBusDev->ExtScsiSupport) {\r |
d548f0a1 | 460 | if ((ScsiTargetId.ScsiId.Scsi) == ScsiBusDev->ExtScsiInterface->Mode->AdapterId) {\r |
70c94b3b | 461 | continue;\r |
462 | }\r | |
463 | } else {\r | |
d548f0a1 | 464 | if ((ScsiTargetId.ScsiId.Scsi) == ScsiBusDev->ScsiInterface->Mode->AdapterId) {\r |
70c94b3b | 465 | continue;\r |
466 | }\r | |
3a10d471 | 467 | }\r |
3a10d471 | 468 | //\r |
469 | // Scan for the scsi device, if it attaches to the scsi bus,\r | |
470 | // then create handle and install scsi i/o protocol.\r | |
471 | //\r | |
d548f0a1 | 472 | Status = ScsiScanCreateDevice (This, Controller, &ScsiTargetId, Lun, ScsiBusDev);\r |
3a10d471 | 473 | }\r |
f36d6e66 | 474 | return EFI_SUCCESS;\r |
9b38ff34 | 475 | \r |
f36d6e66 | 476 | ErrorExit:\r |
477 | \r | |
478 | if (ScsiBusDev != NULL) {\r | |
9b38ff34 | 479 | FreePool (ScsiBusDev);\r |
f36d6e66 | 480 | }\r |
481 | \r | |
482 | if (ExtScsiSupport) {\r | |
483 | gBS->CloseProtocol (\r | |
484 | Controller,\r | |
485 | &gEfiExtScsiPassThruProtocolGuid,\r | |
486 | This->DriverBindingHandle,\r | |
487 | Controller\r | |
488 | );\r | |
489 | if (!EFI_ERROR (PassThruStatus)) {\r | |
490 | gBS->CloseProtocol (\r | |
491 | Controller,\r | |
492 | &gEfiScsiPassThruProtocolGuid,\r | |
493 | This->DriverBindingHandle,\r | |
494 | Controller\r | |
495 | );\r | |
496 | }\r | |
497 | } else {\r | |
498 | gBS->CloseProtocol (\r | |
499 | Controller,\r | |
500 | &gEfiScsiPassThruProtocolGuid,\r | |
501 | This->DriverBindingHandle,\r | |
502 | Controller\r | |
503 | );\r | |
504 | }\r | |
3a10d471 | 505 | return Status;\r |
506 | }\r | |
507 | \r | |
9beb888e | 508 | /**\r |
509 | Stop this driver on ControllerHandle.\r | |
510 | \r | |
511 | This service is called by the EFI boot service DisconnectController().\r | |
512 | In order to make drivers as small as possible, there are a few calling\r | |
513 | restrictions for this service. DisconnectController() must follow these\r | |
514 | calling restrictions. If any other agent wishes to call Stop() it must also\r | |
515 | follow these calling restrictions.\r | |
516 | \r | |
517 | @param This Protocol instance pointer.\r | |
518 | @param ControllerHandle Handle of device to stop driver on\r | |
519 | @param NumberOfChildren Number of Handles in ChildHandleBuffer. If number of\r | |
520 | children is zero stop the entire bus driver.\r | |
521 | @param ChildHandleBuffer List of Child Handles to Stop.\r | |
522 | \r | |
523 | @retval EFI_SUCCESS This driver is removed ControllerHandle\r | |
524 | @retval other This driver was not removed from this device\r | |
525 | \r | |
526 | **/\r | |
3a10d471 | 527 | EFI_STATUS\r |
528 | EFIAPI\r | |
529 | SCSIBusDriverBindingStop (\r | |
530 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
531 | IN EFI_HANDLE Controller,\r | |
532 | IN UINTN NumberOfChildren,\r | |
533 | IN EFI_HANDLE *ChildHandleBuffer\r | |
534 | )\r | |
3a10d471 | 535 | {\r |
536 | EFI_STATUS Status;\r | |
537 | BOOLEAN AllChildrenStopped;\r | |
538 | UINTN Index;\r | |
539 | EFI_SCSI_IO_PROTOCOL *ScsiIo;\r | |
540 | SCSI_IO_DEV *ScsiIoDevice;\r | |
70c94b3b | 541 | VOID *ScsiPassThru;\r |
542 | EFI_SCSI_BUS_PROTOCOL *Scsidentifier;\r | |
543 | SCSI_BUS_DEVICE *ScsiBusDev;\r | |
3a10d471 | 544 | \r |
545 | if (NumberOfChildren == 0) {\r | |
70c94b3b | 546 | //\r |
547 | // Get the SCSI_BUS_DEVICE\r | |
548 | //\r | |
549 | Status = gBS->OpenProtocol (\r | |
550 | Controller,\r | |
551 | &mScsiBusProtocolGuid,\r | |
552 | (VOID **) &Scsidentifier,\r | |
553 | This->DriverBindingHandle,\r | |
554 | Controller,\r | |
555 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
556 | );\r | |
c52fa98c | 557 | \r |
70c94b3b | 558 | if (EFI_ERROR (Status)) {\r |
559 | return EFI_DEVICE_ERROR;\r | |
560 | }\r | |
561 | \r | |
562 | ScsiBusDev = SCSI_BUS_CONTROLLER_DEVICE_FROM_THIS (Scsidentifier);\r | |
563 | \r | |
564 | //\r | |
565 | // Uninstall SCSI Bus Protocol\r | |
566 | //\r | |
567 | gBS->UninstallProtocolInterface (\r | |
568 | Controller,\r | |
569 | &mScsiBusProtocolGuid,\r | |
570 | &ScsiBusDev->BusIdentify\r | |
571 | );\r | |
c52fa98c | 572 | \r |
3a10d471 | 573 | //\r |
574 | // Close the bus driver\r | |
575 | //\r | |
70c94b3b | 576 | if (ScsiBusDev->ExtScsiSupport) {\r |
1e5914b5 | 577 | //\r |
578 | // Close ExtPassThru Protocol from this controller handle\r | |
579 | //\r | |
70c94b3b | 580 | gBS->CloseProtocol (\r |
581 | Controller,\r | |
582 | &gEfiExtScsiPassThruProtocolGuid,\r | |
583 | This->DriverBindingHandle,\r | |
584 | Controller\r | |
585 | );\r | |
1e5914b5 | 586 | //\r |
587 | // When Start() succeeds to open ExtPassThru, it always tries to open PassThru BY_DRIVER.\r | |
588 | // Its intent is to prevent another SCSI Bus Driver from woking on the same host handle. \r | |
589 | // So Stop() needs to try to close PassThru if present here.\r | |
590 | //\r | |
591 | gBS->CloseProtocol (\r | |
592 | Controller,\r | |
593 | &gEfiScsiPassThruProtocolGuid,\r | |
594 | This->DriverBindingHandle,\r | |
595 | Controller\r | |
596 | );\r | |
70c94b3b | 597 | } else {\r |
598 | gBS->CloseProtocol (\r | |
599 | Controller,\r | |
600 | &gEfiScsiPassThruProtocolGuid,\r | |
601 | This->DriverBindingHandle,\r | |
602 | Controller\r | |
603 | );\r | |
604 | }\r | |
3a10d471 | 605 | \r |
70c94b3b | 606 | gBS->CloseProtocol (\r |
607 | Controller,\r | |
608 | &gEfiDevicePathProtocolGuid,\r | |
609 | This->DriverBindingHandle,\r | |
610 | Controller\r | |
611 | );\r | |
6c94a00d | 612 | FreePool (ScsiBusDev);\r |
3a10d471 | 613 | return EFI_SUCCESS;\r |
614 | }\r | |
615 | \r | |
616 | AllChildrenStopped = TRUE;\r | |
617 | \r | |
618 | for (Index = 0; Index < NumberOfChildren; Index++) {\r | |
619 | \r | |
620 | Status = gBS->OpenProtocol (\r | |
621 | ChildHandleBuffer[Index],\r | |
622 | &gEfiScsiIoProtocolGuid,\r | |
623 | (VOID **) &ScsiIo,\r | |
624 | This->DriverBindingHandle,\r | |
625 | Controller,\r | |
626 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
627 | );\r | |
628 | if (EFI_ERROR (Status)) {\r | |
629 | AllChildrenStopped = FALSE;\r | |
630 | continue;\r | |
631 | }\r | |
632 | \r | |
633 | ScsiIoDevice = SCSI_IO_DEV_FROM_THIS (ScsiIo);\r | |
634 | //\r | |
635 | // Close the child handle\r | |
636 | //\r | |
70c94b3b | 637 | if (ScsiIoDevice->ExtScsiSupport) {\r |
638 | Status = gBS->CloseProtocol (\r | |
639 | Controller,\r | |
640 | &gEfiExtScsiPassThruProtocolGuid,\r | |
641 | This->DriverBindingHandle,\r | |
642 | ChildHandleBuffer[Index]\r | |
643 | );\r | |
644 | \r | |
645 | } else {\r | |
646 | Status = gBS->CloseProtocol (\r | |
647 | Controller,\r | |
648 | &gEfiScsiPassThruProtocolGuid,\r | |
649 | This->DriverBindingHandle,\r | |
650 | ChildHandleBuffer[Index]\r | |
651 | );\r | |
652 | }\r | |
3a10d471 | 653 | \r |
654 | Status = gBS->UninstallMultipleProtocolInterfaces (\r | |
655 | ChildHandleBuffer[Index],\r | |
656 | &gEfiDevicePathProtocolGuid,\r | |
657 | ScsiIoDevice->DevicePath,\r | |
658 | &gEfiScsiIoProtocolGuid,\r | |
659 | &ScsiIoDevice->ScsiIo,\r | |
660 | NULL\r | |
661 | );\r | |
662 | if (EFI_ERROR (Status)) {\r | |
663 | AllChildrenStopped = FALSE;\r | |
70c94b3b | 664 | if (ScsiIoDevice->ExtScsiSupport) {\r |
665 | gBS->OpenProtocol (\r | |
666 | Controller,\r | |
667 | &gEfiExtScsiPassThruProtocolGuid,\r | |
84b5c78e | 668 | &ScsiPassThru,\r |
70c94b3b | 669 | This->DriverBindingHandle,\r |
670 | ChildHandleBuffer[Index],\r | |
671 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r | |
672 | );\r | |
673 | } else {\r | |
674 | gBS->OpenProtocol (\r | |
675 | Controller,\r | |
676 | &gEfiScsiPassThruProtocolGuid,\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 | }\r | |
3a10d471 | 683 | } else {\r |
6c94a00d | 684 | FreePool (ScsiIoDevice);\r |
3a10d471 | 685 | }\r |
686 | }\r | |
687 | \r | |
688 | if (!AllChildrenStopped) {\r | |
689 | return EFI_DEVICE_ERROR;\r | |
690 | }\r | |
691 | \r | |
692 | return EFI_SUCCESS;\r | |
693 | }\r | |
694 | \r | |
9beb888e | 695 | \r |
696 | /**\r | |
697 | Retrieves the device type information of the SCSI Controller.\r | |
698 | \r | |
699 | @param This Protocol instance pointer.\r | |
700 | @param DeviceType A pointer to the device type information retrieved from\r | |
701 | the SCSI Controller. \r | |
702 | \r | |
703 | @retval EFI_SUCCESS Retrieves the device type information successfully.\r | |
704 | @retval EFI_INVALID_PARAMETER The DeviceType is NULL.\r | |
705 | \r | |
706 | **/\r | |
3a10d471 | 707 | EFI_STATUS\r |
708 | EFIAPI\r | |
709 | ScsiGetDeviceType (\r | |
710 | IN EFI_SCSI_IO_PROTOCOL *This,\r | |
711 | OUT UINT8 *DeviceType\r | |
712 | )\r | |
3a10d471 | 713 | {\r |
714 | SCSI_IO_DEV *ScsiIoDevice;\r | |
715 | \r | |
716 | if (DeviceType == NULL) {\r | |
717 | return EFI_INVALID_PARAMETER;\r | |
718 | }\r | |
719 | \r | |
720 | ScsiIoDevice = SCSI_IO_DEV_FROM_THIS (This);\r | |
721 | *DeviceType = ScsiIoDevice->ScsiDeviceType;\r | |
722 | return EFI_SUCCESS;\r | |
723 | }\r | |
724 | \r | |
9beb888e | 725 | \r |
726 | /**\r | |
727 | Retrieves the device location in the SCSI channel.\r | |
728 | \r | |
729 | @param This Protocol instance pointer.\r | |
730 | @param Target A pointer to the Target ID of a SCSI device\r | |
731 | on the SCSI channel.\r | |
732 | @param Lun A pointer to the LUN of the SCSI device on\r | |
733 | the SCSI channel.\r | |
734 | \r | |
735 | @retval EFI_SUCCESS Retrieves the device location successfully.\r | |
736 | @retval EFI_INVALID_PARAMETER The Target or Lun is NULL.\r | |
737 | \r | |
738 | **/\r | |
3a10d471 | 739 | EFI_STATUS\r |
740 | EFIAPI\r | |
741 | ScsiGetDeviceLocation (\r | |
742 | IN EFI_SCSI_IO_PROTOCOL *This,\r | |
70c94b3b | 743 | IN OUT UINT8 **Target,\r |
3a10d471 | 744 | OUT UINT64 *Lun\r |
745 | )\r | |
3a10d471 | 746 | {\r |
747 | SCSI_IO_DEV *ScsiIoDevice;\r | |
748 | \r | |
749 | if (Target == NULL || Lun == NULL) {\r | |
750 | return EFI_INVALID_PARAMETER;\r | |
751 | }\r | |
752 | \r | |
f36d6e66 | 753 | ScsiIoDevice = SCSI_IO_DEV_FROM_THIS (This);\r |
3a10d471 | 754 | \r |
70c94b3b | 755 | CopyMem (*Target,&ScsiIoDevice->Pun, TARGET_MAX_BYTES);\r |
756 | \r | |
f36d6e66 | 757 | *Lun = ScsiIoDevice->Lun;\r |
3a10d471 | 758 | \r |
759 | return EFI_SUCCESS;\r | |
760 | }\r | |
761 | \r | |
9beb888e | 762 | /**\r |
763 | Resets the SCSI Bus that the SCSI Controller is attached to.\r | |
764 | \r | |
765 | @param This Protocol instance pointer.\r | |
766 | \r | |
767 | @retval EFI_SUCCESS The SCSI bus is reset successfully.\r | |
768 | @retval EFI_DEVICE_ERROR Errors encountered when resetting the SCSI bus.\r | |
769 | @retval EFI_UNSUPPORTED The bus reset operation is not supported by the\r | |
770 | SCSI Host Controller.\r | |
771 | @retval EFI_TIMEOUT A timeout occurred while attempting to reset \r | |
772 | the SCSI bus.\r | |
773 | **/\r | |
3a10d471 | 774 | EFI_STATUS\r |
775 | EFIAPI\r | |
776 | ScsiResetBus (\r | |
777 | IN EFI_SCSI_IO_PROTOCOL *This\r | |
778 | )\r | |
3a10d471 | 779 | {\r |
780 | SCSI_IO_DEV *ScsiIoDevice;\r | |
781 | \r | |
782 | ScsiIoDevice = SCSI_IO_DEV_FROM_THIS (This);\r | |
783 | \r | |
70c94b3b | 784 | if (ScsiIoDevice->ExtScsiSupport){\r |
785 | return ScsiIoDevice->ExtScsiPassThru->ResetChannel (ScsiIoDevice->ExtScsiPassThru);\r | |
786 | } else {\r | |
787 | return ScsiIoDevice->ScsiPassThru->ResetChannel (ScsiIoDevice->ScsiPassThru);\r | |
788 | }\r | |
3a10d471 | 789 | }\r |
790 | \r | |
9beb888e | 791 | \r |
792 | /**\r | |
793 | Resets the SCSI Controller that the device handle specifies.\r | |
794 | \r | |
795 | @param This Protocol instance pointer.\r | |
796 | \r | |
797 | @retval EFI_SUCCESS Reset the SCSI controller successfully.\r | |
798 | @retval EFI_DEVICE_ERROR Errors are encountered when resetting the SCSI Controller.\r | |
799 | @retval EFI_UNSUPPORTED The SCSI bus does not support a device reset operation.\r | |
800 | @retval EFI_TIMEOUT A timeout occurred while attempting to reset the\r | |
801 | SCSI Controller.\r | |
802 | **/\r | |
3a10d471 | 803 | EFI_STATUS\r |
804 | EFIAPI\r | |
805 | ScsiResetDevice (\r | |
806 | IN EFI_SCSI_IO_PROTOCOL *This\r | |
807 | )\r | |
3a10d471 | 808 | {\r |
f36d6e66 | 809 | SCSI_IO_DEV *ScsiIoDevice;\r |
70c94b3b | 810 | UINT8 Target[TARGET_MAX_BYTES];\r |
3a10d471 | 811 | \r |
812 | ScsiIoDevice = SCSI_IO_DEV_FROM_THIS (This);\r | |
70c94b3b | 813 | CopyMem (Target,&ScsiIoDevice->Pun, TARGET_MAX_BYTES);\r |
814 | \r | |
3a10d471 | 815 | \r |
70c94b3b | 816 | if (ScsiIoDevice->ExtScsiSupport) {\r |
817 | return ScsiIoDevice->ExtScsiPassThru->ResetTargetLun (\r | |
818 | ScsiIoDevice->ExtScsiPassThru,\r | |
819 | Target,\r | |
820 | ScsiIoDevice->Lun\r | |
821 | );\r | |
822 | } else {\r | |
823 | return ScsiIoDevice->ScsiPassThru->ResetTarget (\r | |
824 | ScsiIoDevice->ScsiPassThru,\r | |
825 | ScsiIoDevice->Pun.ScsiId.Scsi,\r | |
826 | ScsiIoDevice->Lun\r | |
827 | );\r | |
828 | }\r | |
3a10d471 | 829 | }\r |
830 | \r | |
f36d6e66 | 831 | \r |
9beb888e | 832 | /**\r |
f36d6e66 | 833 | Sends a SCSI Request Packet to the SCSI Controller for execution.\r |
f36d6e66 | 834 | \r |
9beb888e | 835 | @param This Protocol instance pointer.\r |
836 | @param CommandPacket The SCSI request packet to send to the SCSI \r | |
f36d6e66 | 837 | Controller specified by the device handle.\r |
9beb888e | 838 | @param Event If the SCSI bus where the SCSI device is attached\r |
f36d6e66 | 839 | does not support non-blocking I/O, then Event is \r |
840 | ignored, and blocking I/O is performed. \r | |
841 | If Event is NULL, then blocking I/O is performed.\r | |
842 | If Event is not NULL and non-blocking I/O is \r | |
843 | supported, then non-blocking I/O is performed,\r | |
844 | and Event will be signaled when the SCSI Request\r | |
845 | Packet completes.\r | |
9beb888e | 846 | \r |
847 | @retval EFI_SUCCESS The SCSI Request Packet was sent by the host \r | |
848 | successfully, and TransferLength bytes were \r | |
849 | transferred to/from DataBuffer.See \r | |
850 | HostAdapterStatus, TargetStatus, \r | |
851 | SenseDataLength, and SenseData in that order\r | |
852 | for additional status information.\r | |
853 | @retval EFI_BAD_BUFFER_SIZE The SCSI Request Packet was executed, \r | |
854 | but the entire DataBuffer could not be transferred.\r | |
855 | The actual number of bytes transferred is returned\r | |
856 | in TransferLength. See HostAdapterStatus, \r | |
857 | TargetStatus, SenseDataLength, and SenseData in \r | |
858 | that order for additional status information.\r | |
859 | @retval EFI_NOT_READY The SCSI Request Packet could not be sent because \r | |
860 | there are too many SCSI Command Packets already \r | |
861 | queued.The caller may retry again later.\r | |
862 | @retval EFI_DEVICE_ERROR A device error occurred while attempting to send \r | |
863 | the SCSI Request Packet. See HostAdapterStatus, \r | |
864 | TargetStatus, SenseDataLength, and SenseData in \r | |
865 | that order for additional status information.\r | |
866 | @retval EFI_INVALID_PARAMETER The contents of CommandPacket are invalid. \r | |
867 | The SCSI Request Packet was not sent, so no \r | |
868 | additional status information is available.\r | |
869 | @retval EFI_UNSUPPORTED The command described by the SCSI Request Packet\r | |
870 | is not supported by the SCSI initiator(i.e., SCSI \r | |
871 | Host Controller). The SCSI Request Packet was not\r | |
872 | sent, so no additional status information is \r | |
873 | available.\r | |
874 | @retval EFI_TIMEOUT A timeout occurred while waiting for the SCSI \r | |
875 | Request Packet to execute. See HostAdapterStatus,\r | |
876 | TargetStatus, SenseDataLength, and SenseData in \r | |
877 | that order for additional status information.\r | |
878 | **/\r | |
879 | EFI_STATUS\r | |
880 | EFIAPI\r | |
881 | ScsiExecuteSCSICommand (\r | |
882 | IN EFI_SCSI_IO_PROTOCOL *This,\r | |
883 | IN OUT EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet,\r | |
884 | IN EFI_EVENT Event OPTIONAL\r | |
885 | )\r | |
3a10d471 | 886 | {\r |
f36d6e66 | 887 | SCSI_IO_DEV *ScsiIoDevice;\r |
888 | EFI_STATUS Status;\r | |
70c94b3b | 889 | UINT8 Target[TARGET_MAX_BYTES];\r |
890 | EFI_EVENT PacketEvent;\r | |
891 | EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *ExtRequestPacket;\r | |
f36d6e66 | 892 | SCSI_EVENT_DATA EventData; \r |
3a10d471 | 893 | \r |
70c94b3b | 894 | PacketEvent = NULL;\r |
f36d6e66 | 895 | \r |
3a10d471 | 896 | if (Packet == NULL) {\r |
897 | return EFI_INVALID_PARAMETER;\r | |
898 | }\r | |
899 | \r | |
900 | ScsiIoDevice = SCSI_IO_DEV_FROM_THIS (This);\r | |
70c94b3b | 901 | CopyMem (Target,&ScsiIoDevice->Pun, TARGET_MAX_BYTES);\r |
c52fa98c | 902 | \r |
70c94b3b | 903 | if (ScsiIoDevice->ExtScsiSupport) {\r |
904 | ExtRequestPacket = (EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *) Packet;\r | |
905 | Status = ScsiIoDevice->ExtScsiPassThru->PassThru (\r | |
906 | ScsiIoDevice->ExtScsiPassThru,\r | |
907 | Target,\r | |
908 | ScsiIoDevice->Lun,\r | |
909 | ExtRequestPacket,\r | |
910 | Event\r | |
911 | );\r | |
912 | } else {\r | |
3a10d471 | 913 | \r |
9b38ff34 | 914 | mWorkingBuffer = AllocatePool (sizeof(EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET));\r |
3a10d471 | 915 | \r |
9b38ff34 | 916 | if (mWorkingBuffer == NULL) {\r |
70c94b3b | 917 | return EFI_DEVICE_ERROR;\r |
918 | }\r | |
919 | \r | |
920 | //\r | |
c52fa98c | 921 | // Convert package into EFI1.0, EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET.\r |
70c94b3b | 922 | //\r |
9beb888e | 923 | Status = ScsiioToPassThruPacket(Packet, (EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET*)mWorkingBuffer);\r |
70c94b3b | 924 | if (EFI_ERROR(Status)) {\r |
9beb888e | 925 | FreePool(mWorkingBuffer);\r |
70c94b3b | 926 | return Status;\r |
927 | }\r | |
928 | \r | |
7077edb3 | 929 | if (((ScsiIoDevice->ScsiPassThru->Mode->Attributes & EFI_SCSI_PASS_THRU_ATTRIBUTES_NONBLOCKIO) != 0) && (Event != NULL)) {\r |
70c94b3b | 930 | EventData.Data1 = (VOID*)Packet;\r |
931 | EventData.Data2 = Event;\r | |
932 | //\r | |
933 | // Create Event\r | |
934 | //\r | |
935 | Status = gBS->CreateEvent (\r | |
936 | EVT_NOTIFY_SIGNAL,\r | |
937 | TPL_CALLBACK,\r | |
938 | NotifyFunction,\r | |
939 | &EventData,\r | |
940 | &PacketEvent\r | |
941 | );\r | |
942 | if (EFI_ERROR(Status)) {\r | |
9beb888e | 943 | FreePool(mWorkingBuffer);\r |
70c94b3b | 944 | return Status;\r |
945 | }\r | |
c52fa98c | 946 | \r |
70c94b3b | 947 | Status = ScsiIoDevice->ScsiPassThru->PassThru (\r |
948 | ScsiIoDevice->ScsiPassThru,\r | |
949 | ScsiIoDevice->Pun.ScsiId.Scsi,\r | |
950 | ScsiIoDevice->Lun,\r | |
9beb888e | 951 | mWorkingBuffer,\r |
70c94b3b | 952 | PacketEvent\r |
953 | );\r | |
954 | \r | |
955 | if (EFI_ERROR(Status)) {\r | |
9b38ff34 | 956 | FreePool(mWorkingBuffer);\r |
70c94b3b | 957 | gBS->CloseEvent(PacketEvent);\r |
958 | return Status;\r | |
959 | }\r | |
c52fa98c | 960 | \r |
70c94b3b | 961 | } else {\r |
962 | //\r | |
963 | // If there's no event or SCSI Device doesn't support NON-BLOCKING, just convert\r | |
964 | // EFI1.0 PassThru packet back to UEFI2.0 SCSI IO Packet.\r | |
965 | //\r | |
966 | Status = ScsiIoDevice->ScsiPassThru->PassThru (\r | |
967 | ScsiIoDevice->ScsiPassThru,\r | |
968 | ScsiIoDevice->Pun.ScsiId.Scsi,\r | |
969 | ScsiIoDevice->Lun,\r | |
9beb888e | 970 | mWorkingBuffer,\r |
70c94b3b | 971 | Event\r |
972 | );\r | |
973 | if (EFI_ERROR(Status)) {\r | |
9beb888e | 974 | FreePool(mWorkingBuffer);\r |
70c94b3b | 975 | return Status;\r |
976 | }\r | |
977 | \r | |
9beb888e | 978 | PassThruToScsiioPacket((EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET*)mWorkingBuffer,Packet);\r |
70c94b3b | 979 | //\r |
980 | // After converting EFI1.0 PassThru Packet back to UEFI2.0 SCSI IO Packet,\r | |
9beb888e | 981 | // free mWorkingBuffer.\r |
70c94b3b | 982 | //\r |
9beb888e | 983 | FreePool(mWorkingBuffer);\r |
70c94b3b | 984 | }\r |
985 | }\r | |
3a10d471 | 986 | return Status;\r |
987 | }\r | |
988 | \r | |
3a10d471 | 989 | \r |
9beb888e | 990 | /**\r |
70c94b3b | 991 | Scan SCSI Bus to discover the device, and attach ScsiIoProtocol to it.\r |
3a10d471 | 992 | \r |
9beb888e | 993 | @param This Protocol instance pointer\r |
994 | @param Controller Controller handle\r | |
995 | @param TargetId Tartget to be scanned\r | |
996 | @param Lun The Lun of the SCSI device on the SCSI channel.\r | |
997 | @param ScsiBusDev The pointer of SCSI_BUS_DEVICE\r | |
3a10d471 | 998 | \r |
9beb888e | 999 | @retval EFI_SUCCESS Successfully to discover the device and attach\r |
1000 | ScsiIoProtocol to it.\r | |
1001 | @retval EFI_OUT_OF_RESOURCES Fail to discover the device.\r | |
3a10d471 | 1002 | \r |
9beb888e | 1003 | **/\r |
1004 | EFI_STATUS\r | |
1005 | EFIAPI\r | |
1006 | ScsiScanCreateDevice (\r | |
1007 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
1008 | IN EFI_HANDLE Controller,\r | |
1009 | IN SCSI_TARGET_ID *TargetId,\r | |
1010 | IN UINT64 Lun,\r | |
1011 | IN OUT SCSI_BUS_DEVICE *ScsiBusDev\r | |
1012 | )\r | |
3a10d471 | 1013 | {\r |
1014 | EFI_STATUS Status;\r | |
1015 | SCSI_IO_DEV *ScsiIoDevice;\r | |
1016 | EFI_DEVICE_PATH_PROTOCOL *ScsiDevicePath;\r | |
1017 | \r | |
9beb888e | 1018 | ScsiIoDevice = AllocateZeroPool (sizeof (SCSI_IO_DEV));\r |
1019 | if (ScsiIoDevice == NULL) {\r | |
1020 | return EFI_OUT_OF_RESOURCES;\r | |
3a10d471 | 1021 | }\r |
1022 | \r | |
3a10d471 | 1023 | ScsiIoDevice->Signature = SCSI_IO_DEV_SIGNATURE;\r |
70c94b3b | 1024 | CopyMem(&ScsiIoDevice->Pun, TargetId, TARGET_MAX_BYTES);\r |
3a10d471 | 1025 | ScsiIoDevice->Lun = Lun;\r |
1026 | \r | |
70c94b3b | 1027 | if (ScsiBusDev->ExtScsiSupport) {\r |
1028 | ScsiIoDevice->ExtScsiPassThru = ScsiBusDev->ExtScsiInterface;\r | |
1029 | ScsiIoDevice->ExtScsiSupport = TRUE;\r | |
1030 | ScsiIoDevice->ScsiIo.IoAlign = ScsiIoDevice->ExtScsiPassThru->Mode->IoAlign;\r | |
1031 | \r | |
1032 | } else {\r | |
1033 | ScsiIoDevice->ScsiPassThru = ScsiBusDev->ScsiInterface;\r | |
1034 | ScsiIoDevice->ExtScsiSupport = FALSE;\r | |
1035 | ScsiIoDevice->ScsiIo.IoAlign = ScsiIoDevice->ScsiPassThru->Mode->IoAlign;\r | |
1036 | }\r | |
1037 | \r | |
3a10d471 | 1038 | ScsiIoDevice->ScsiIo.GetDeviceType = ScsiGetDeviceType;\r |
70c94b3b | 1039 | ScsiIoDevice->ScsiIo.GetDeviceLocation = ScsiGetDeviceLocation;\r |
3a10d471 | 1040 | ScsiIoDevice->ScsiIo.ResetBus = ScsiResetBus;\r |
1041 | ScsiIoDevice->ScsiIo.ResetDevice = ScsiResetDevice;\r | |
24e734d2 | 1042 | ScsiIoDevice->ScsiIo.ExecuteScsiCommand = ScsiExecuteSCSICommand;\r |
3a10d471 | 1043 | \r |
70c94b3b | 1044 | \r |
3a10d471 | 1045 | if (!DiscoverScsiDevice (ScsiIoDevice)) {\r |
9beb888e | 1046 | FreePool (ScsiIoDevice);\r |
70c94b3b | 1047 | return EFI_OUT_OF_RESOURCES;\r |
3a10d471 | 1048 | }\r |
70c94b3b | 1049 | \r |
3a10d471 | 1050 | //\r |
1051 | // Set Device Path\r | |
1052 | //\r | |
6c94a00d | 1053 | ScsiDevicePath = NULL;\r |
70c94b3b | 1054 | if (ScsiIoDevice->ExtScsiSupport){\r |
1055 | Status = ScsiIoDevice->ExtScsiPassThru->BuildDevicePath (\r | |
1056 | ScsiIoDevice->ExtScsiPassThru,\r | |
1057 | &ScsiIoDevice->Pun.ScsiId.ExtScsi[0],\r | |
1058 | ScsiIoDevice->Lun,\r | |
1059 | &ScsiDevicePath\r | |
1060 | );\r | |
70c94b3b | 1061 | } else {\r |
1062 | Status = ScsiIoDevice->ScsiPassThru->BuildDevicePath (\r | |
1063 | ScsiIoDevice->ScsiPassThru,\r | |
1064 | ScsiIoDevice->Pun.ScsiId.Scsi,\r | |
1065 | ScsiIoDevice->Lun,\r | |
1066 | &ScsiDevicePath\r | |
1067 | );\r | |
1068a653 | 1068 | }\r |
1069 | \r | |
ef13cf23 | 1070 | if (EFI_ERROR(Status)) {\r |
1068a653 | 1071 | FreePool (ScsiIoDevice);\r |
1072 | return Status;\r | |
3a10d471 | 1073 | }\r |
c52fa98c | 1074 | \r |
3a10d471 | 1075 | ScsiIoDevice->DevicePath = AppendDevicePathNode (\r |
70c94b3b | 1076 | ScsiBusDev->DevicePath,\r |
3a10d471 | 1077 | ScsiDevicePath\r |
1078 | );\r | |
1079 | //\r | |
1080 | // The memory space for ScsiDevicePath is allocated in\r | |
1081 | // ScsiPassThru->BuildDevicePath() function; It is no longer used\r | |
1082 | // after EfiAppendDevicePathNode,so free the memory it occupies.\r | |
1083 | //\r | |
6c94a00d | 1084 | FreePool (ScsiDevicePath);\r |
3a10d471 | 1085 | \r |
1086 | if (ScsiIoDevice->DevicePath == NULL) {\r | |
6c94a00d | 1087 | FreePool (ScsiIoDevice);\r |
3a10d471 | 1088 | return EFI_OUT_OF_RESOURCES;\r |
1089 | }\r | |
c52fa98c | 1090 | \r |
3a10d471 | 1091 | Status = gBS->InstallMultipleProtocolInterfaces (\r |
1092 | &ScsiIoDevice->Handle,\r | |
1093 | &gEfiDevicePathProtocolGuid,\r | |
1094 | ScsiIoDevice->DevicePath,\r | |
1095 | &gEfiScsiIoProtocolGuid,\r | |
1096 | &ScsiIoDevice->ScsiIo,\r | |
1097 | NULL\r | |
1098 | );\r | |
1099 | if (EFI_ERROR (Status)) {\r | |
1068a653 | 1100 | FreePool (ScsiIoDevice->DevicePath);\r |
9b38ff34 | 1101 | FreePool (ScsiIoDevice);\r |
70c94b3b | 1102 | return EFI_OUT_OF_RESOURCES;\r |
3a10d471 | 1103 | } else {\r |
70c94b3b | 1104 | if (ScsiBusDev->ExtScsiSupport) {\r |
1105 | gBS->OpenProtocol (\r | |
1106 | Controller,\r | |
1107 | &gEfiExtScsiPassThruProtocolGuid,\r | |
1108 | (VOID **) &(ScsiBusDev->ExtScsiInterface),\r | |
1109 | This->DriverBindingHandle,\r | |
1110 | ScsiIoDevice->Handle,\r | |
1111 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r | |
1112 | );\r | |
1113 | } else {\r | |
1114 | gBS->OpenProtocol (\r | |
1115 | Controller,\r | |
1116 | &gEfiScsiPassThruProtocolGuid,\r | |
1117 | (VOID **) &(ScsiBusDev->ScsiInterface),\r | |
1118 | This->DriverBindingHandle,\r | |
1119 | ScsiIoDevice->Handle,\r | |
1120 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r | |
1121 | );\r | |
1122 | }\r | |
3a10d471 | 1123 | }\r |
3a10d471 | 1124 | return EFI_SUCCESS;\r |
1125 | }\r | |
1126 | \r | |
3a10d471 | 1127 | \r |
9beb888e | 1128 | /**\r |
70c94b3b | 1129 | Discovery SCSI Device\r |
3a10d471 | 1130 | \r |
9beb888e | 1131 | @param ScsiIoDevice The pointer of SCSI_IO_DEV\r |
3a10d471 | 1132 | \r |
9beb888e | 1133 | @retval TRUE Find SCSI Device and verify it.\r |
1134 | @retval FALSE Unable to find SCSI Device.\r | |
3a10d471 | 1135 | \r |
9beb888e | 1136 | **/\r |
1137 | BOOLEAN\r | |
1138 | DiscoverScsiDevice (\r | |
1139 | IN OUT SCSI_IO_DEV *ScsiIoDevice\r | |
1140 | )\r | |
3a10d471 | 1141 | {\r |
1142 | EFI_STATUS Status;\r | |
3a10d471 | 1143 | UINT32 InquiryDataLength;\r |
3a10d471 | 1144 | UINT8 SenseDataLength;\r |
1145 | UINT8 HostAdapterStatus;\r | |
1146 | UINT8 TargetStatus;\r | |
70c94b3b | 1147 | EFI_SCSI_SENSE_DATA SenseData;\r |
1148 | EFI_SCSI_INQUIRY_DATA InquiryData;\r | |
3a10d471 | 1149 | \r |
1150 | HostAdapterStatus = 0;\r | |
1151 | TargetStatus = 0;\r | |
1152 | //\r | |
1153 | // Using Inquiry command to scan for the device\r | |
1154 | //\r | |
1155 | InquiryDataLength = sizeof (EFI_SCSI_INQUIRY_DATA);\r | |
1156 | SenseDataLength = sizeof (EFI_SCSI_SENSE_DATA);\r | |
1157 | \r | |
d35be2a4 | 1158 | Status = ScsiInquiryCommand (\r |
3a10d471 | 1159 | &ScsiIoDevice->ScsiIo,\r |
e72a3b3e | 1160 | EFI_TIMER_PERIOD_SECONDS (1),\r |
3a10d471 | 1161 | (VOID *) &SenseData,\r |
1162 | &SenseDataLength,\r | |
1163 | &HostAdapterStatus,\r | |
1164 | &TargetStatus,\r | |
1165 | (VOID *) &InquiryData,\r | |
1166 | &InquiryDataLength,\r | |
1167 | FALSE\r | |
1168 | );\r | |
d1a8a1dc | 1169 | if (EFI_ERROR (Status) && Status != EFI_BAD_BUFFER_SIZE) {\r |
3a10d471 | 1170 | return FALSE;\r |
1171 | }\r | |
1172 | //\r | |
1173 | // Retrieved inquiry data successfully\r | |
1174 | //\r | |
1175 | if ((InquiryData.Peripheral_Qualifier != 0) &&\r | |
1176 | (InquiryData.Peripheral_Qualifier != 3)) {\r | |
1177 | return FALSE;\r | |
1178 | }\r | |
1179 | \r | |
1180 | if (InquiryData.Peripheral_Qualifier == 3) {\r | |
1181 | if (InquiryData.Peripheral_Type != 0x1f) {\r | |
1182 | return FALSE;\r | |
1183 | }\r | |
1184 | }\r | |
1185 | \r | |
67a58d0f | 1186 | if (0x1e >= InquiryData.Peripheral_Type && InquiryData.Peripheral_Type >= 0xa) {\r |
3a10d471 | 1187 | return FALSE;\r |
1188 | }\r | |
c52fa98c | 1189 | \r |
3a10d471 | 1190 | //\r |
1191 | // valid device type and peripheral qualifier combination.\r | |
1192 | //\r | |
1193 | ScsiIoDevice->ScsiDeviceType = InquiryData.Peripheral_Type;\r | |
fbfa4a1d | 1194 | ScsiIoDevice->RemovableDevice = InquiryData.Rmb;\r |
3a10d471 | 1195 | if (InquiryData.Version == 0) {\r |
1196 | ScsiIoDevice->ScsiVersion = 0;\r | |
1197 | } else {\r | |
1198 | //\r | |
1199 | // ANSI-approved version\r | |
1200 | //\r | |
1201 | ScsiIoDevice->ScsiVersion = (UINT8) (InquiryData.Version & 0x03);\r | |
1202 | }\r | |
1203 | \r | |
1204 | return TRUE;\r | |
1205 | }\r | |
70c94b3b | 1206 | \r |
1207 | \r | |
9beb888e | 1208 | /**\r |
1209 | Convert EFI_SCSI_IO_SCSI_REQUEST_PACKET packet to EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET packet.\r | |
1210 | \r | |
1211 | @param Packet The pointer of EFI_SCSI_IO_SCSI_REQUEST_PACKET\r | |
1212 | @param CommandPacket The pointer of EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET\r | |
1213 | \r | |
1214 | **/\r | |
70c94b3b | 1215 | EFI_STATUS\r |
1216 | EFIAPI\r | |
1217 | ScsiioToPassThruPacket (\r | |
1218 | IN EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet,\r | |
9beb888e | 1219 | OUT EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *CommandPacket\r |
70c94b3b | 1220 | )\r |
70c94b3b | 1221 | {\r |
1222 | //\r | |
1223 | //EFI 1.10 doesn't support Bi-Direction Command.\r | |
1224 | //\r | |
1225 | if (Packet->DataDirection == EFI_SCSI_IO_DATA_DIRECTION_BIDIRECTIONAL) {\r | |
1226 | return EFI_UNSUPPORTED;\r | |
1227 | }\r | |
c52fa98c | 1228 | \r |
70c94b3b | 1229 | ZeroMem (CommandPacket, sizeof (EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET));\r |
1230 | \r | |
1231 | CommandPacket->Timeout = Packet->Timeout;\r | |
1232 | CommandPacket->Cdb = Packet->Cdb;\r | |
1233 | CommandPacket->CdbLength = Packet->CdbLength;\r | |
1234 | CommandPacket->DataDirection = Packet->DataDirection;\r | |
1235 | CommandPacket->HostAdapterStatus = Packet->HostAdapterStatus;\r | |
1236 | CommandPacket->TargetStatus = Packet->TargetStatus;\r | |
1237 | CommandPacket->SenseData = Packet->SenseData;\r | |
1238 | CommandPacket->SenseDataLength = Packet->SenseDataLength;\r | |
1239 | \r | |
1240 | if (Packet->DataDirection == EFI_SCSI_IO_DATA_DIRECTION_READ) {\r | |
1241 | CommandPacket->DataBuffer = Packet->InDataBuffer;\r | |
1242 | CommandPacket->TransferLength = Packet->InTransferLength;\r | |
1243 | } else if (Packet->DataDirection == EFI_SCSI_IO_DATA_DIRECTION_WRITE) {\r | |
1244 | CommandPacket->DataBuffer = Packet->OutDataBuffer;\r | |
1245 | CommandPacket->TransferLength = Packet->OutTransferLength;\r | |
1246 | }\r | |
1247 | return EFI_SUCCESS;\r | |
1248 | }\r | |
1249 | \r | |
1250 | \r | |
9beb888e | 1251 | /**\r |
1252 | Convert EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET packet to EFI_SCSI_IO_SCSI_REQUEST_PACKET packet.\r | |
1253 | \r | |
1254 | @param ScsiPacket The pointer of EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET\r | |
1255 | @param Packet The pointer of EFI_SCSI_IO_SCSI_REQUEST_PACKET\r | |
1256 | \r | |
1257 | **/\r | |
70c94b3b | 1258 | EFI_STATUS\r |
1259 | EFIAPI\r | |
1260 | PassThruToScsiioPacket (\r | |
1261 | IN EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *ScsiPacket,\r | |
9beb888e | 1262 | OUT EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet\r |
70c94b3b | 1263 | )\r |
70c94b3b | 1264 | {\r |
1265 | Packet->Timeout = ScsiPacket->Timeout;\r | |
1266 | Packet->Cdb = ScsiPacket->Cdb;\r | |
1267 | Packet->CdbLength = ScsiPacket->CdbLength;\r | |
1268 | Packet->DataDirection = ScsiPacket->DataDirection;\r | |
1269 | Packet->HostAdapterStatus = ScsiPacket->HostAdapterStatus;\r | |
1270 | Packet->TargetStatus = ScsiPacket->TargetStatus;\r | |
1271 | Packet->SenseData = ScsiPacket->SenseData;\r | |
1272 | Packet->SenseDataLength = ScsiPacket->SenseDataLength;\r | |
1273 | \r | |
1274 | if (ScsiPacket->DataDirection == EFI_SCSI_IO_DATA_DIRECTION_READ) {\r | |
1275 | Packet->InDataBuffer = ScsiPacket->DataBuffer;\r | |
1276 | Packet->InTransferLength = ScsiPacket->TransferLength;\r | |
1277 | } else if (Packet->DataDirection == EFI_SCSI_IO_DATA_DIRECTION_WRITE) {\r | |
1278 | Packet->OutDataBuffer = ScsiPacket->DataBuffer;\r | |
1279 | Packet->OutTransferLength = ScsiPacket->TransferLength;\r | |
1280 | }\r | |
c52fa98c | 1281 | \r |
70c94b3b | 1282 | return EFI_SUCCESS;\r |
1283 | }\r | |
1284 | \r | |
9beb888e | 1285 | /**\r |
1286 | Notify Function in which convert EFI1.0 PassThru Packet back to UEF2.0\r | |
1287 | SCSI IO Packet.\r | |
70c94b3b | 1288 | \r |
9beb888e | 1289 | @param Event The instance of EFI_EVENT.\r |
1290 | @param Context The parameter passed in.\r | |
70c94b3b | 1291 | \r |
9beb888e | 1292 | **/\r |
70c94b3b | 1293 | VOID\r |
1294 | EFIAPI\r | |
1295 | NotifyFunction (\r | |
9beb888e | 1296 | IN EFI_EVENT Event,\r |
1297 | IN VOID *Context\r | |
70c94b3b | 1298 | )\r |
70c94b3b | 1299 | {\r |
1300 | EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet;\r | |
1301 | EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *ScsiPacket;\r | |
1302 | EFI_EVENT CallerEvent;\r | |
c52fa98c | 1303 | SCSI_EVENT_DATA *PassData;\r |
70c94b3b | 1304 | \r |
1305 | PassData = (SCSI_EVENT_DATA*)Context;\r | |
1306 | Packet = (EFI_SCSI_IO_SCSI_REQUEST_PACKET *)PassData->Data1;\r | |
9beb888e | 1307 | ScsiPacket = (EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET*)mWorkingBuffer;\r |
70c94b3b | 1308 | \r |
1309 | //\r | |
1310 | // Convert EFI1.0 PassThru packet to UEFI2.0 SCSI IO Packet.\r | |
1311 | //\r | |
1312 | PassThruToScsiioPacket(ScsiPacket, Packet);\r | |
c52fa98c | 1313 | \r |
70c94b3b | 1314 | //\r |
1315 | // After converting EFI1.0 PassThru Packet back to UEFI2.0 SCSI IO Packet,\r | |
9beb888e | 1316 | // free mWorkingBuffer.\r |
70c94b3b | 1317 | //\r |
9beb888e | 1318 | gBS->FreePool(mWorkingBuffer);\r |
70c94b3b | 1319 | \r |
1320 | //\r | |
1321 | // Signal Event to tell caller to pick up UEFI2.0 SCSI IO Packet.\r | |
1322 | //\r | |
1323 | CallerEvent = PassData->Data2;\r | |
1324 | gBS->CloseEvent(Event);\r | |
1325 | gBS->SignalEvent(CallerEvent);\r | |
1326 | }\r | |
9beb888e | 1327 | \r |