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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 |
af4a6385 | 5 | Copyright (c) 2006 - 2009, 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 |
af4a6385 | 148 | EFI_DEV_PATH *Node;\r |
149 | \r | |
150 | if (RemainingDevicePath != NULL) {\r | |
151 | Node = (EFI_DEV_PATH *) RemainingDevicePath;\r | |
152 | //\r | |
153 | // Check if RemainingDevicePath is the End of Device Path Node, \r | |
154 | // if yes, go on checking other conditions\r | |
155 | //\r | |
156 | if (!IsDevicePathEnd (Node)) {\r | |
157 | //\r | |
158 | // If RemainingDevicePath isn't the End of Device Path Node,\r | |
159 | // check its validation\r | |
160 | //\r | |
161 | if (Node->DevPath.Type != MESSAGING_DEVICE_PATH ||\r | |
162 | Node->DevPath.SubType != MSG_SCSI_DP ||\r | |
6fe85208 | 163 | DevicePathNodeLength(&Node->DevPath) != sizeof(SCSI_DEVICE_PATH)) {\r |
af4a6385 | 164 | return EFI_UNSUPPORTED;\r |
165 | }\r | |
166 | }\r | |
167 | }\r | |
168 | \r | |
3a10d471 | 169 | //\r |
70c94b3b | 170 | // Check for the existence of Extended SCSI Pass Thru Protocol and SCSI Pass Thru Protocol\r |
3a10d471 | 171 | //\r |
172 | Status = gBS->OpenProtocol (\r | |
173 | Controller,\r | |
70c94b3b | 174 | &gEfiExtScsiPassThruProtocolGuid,\r |
175 | (VOID **)&ExtPassThru,\r | |
3a10d471 | 176 | This->DriverBindingHandle,\r |
177 | Controller,\r | |
70c94b3b | 178 | EFI_OPEN_PROTOCOL_BY_DRIVER\r |
3a10d471 | 179 | );\r |
c52fa98c | 180 | \r |
70c94b3b | 181 | if (Status == EFI_ALREADY_STARTED) {\r |
182 | return EFI_SUCCESS;\r | |
183 | }\r | |
c52fa98c | 184 | \r |
70c94b3b | 185 | if (EFI_ERROR (Status)) {\r |
186 | Status = gBS->OpenProtocol (\r | |
187 | Controller,\r | |
188 | &gEfiScsiPassThruProtocolGuid,\r | |
189 | (VOID **)&PassThru,\r | |
190 | This->DriverBindingHandle,\r | |
191 | Controller,\r | |
192 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
193 | );\r | |
c52fa98c | 194 | \r |
70c94b3b | 195 | if (Status == EFI_ALREADY_STARTED) {\r |
196 | return EFI_SUCCESS;\r | |
197 | }\r | |
c52fa98c | 198 | \r |
70c94b3b | 199 | if (EFI_ERROR (Status)) {\r |
200 | return Status;\r | |
201 | }\r | |
202 | \r | |
203 | gBS->CloseProtocol (\r | |
204 | Controller,\r | |
205 | &gEfiScsiPassThruProtocolGuid,\r | |
206 | This->DriverBindingHandle,\r | |
207 | Controller\r | |
208 | );\r | |
209 | return EFI_SUCCESS;\r | |
3a10d471 | 210 | }\r |
c52fa98c | 211 | \r |
af4a6385 | 212 | //\r |
213 | // Close the I/O Abstraction(s) used to perform the supported test\r | |
214 | //\r | |
70c94b3b | 215 | gBS->CloseProtocol (\r |
216 | Controller,\r | |
217 | &gEfiExtScsiPassThruProtocolGuid,\r | |
218 | This->DriverBindingHandle,\r | |
219 | Controller\r | |
220 | );\r | |
3a10d471 | 221 | \r |
222 | return EFI_SUCCESS;\r | |
223 | }\r | |
224 | \r | |
9beb888e | 225 | \r |
226 | /**\r | |
227 | Start this driver on ControllerHandle.\r | |
228 | \r | |
229 | This service is called by the EFI boot service ConnectController(). In order\r | |
230 | to make drivers as small as possible, there are a few calling restrictions for\r | |
231 | this service. ConnectController() must follow these calling restrictions. If\r | |
232 | any other agent wishes to call Start() it must also follow these calling\r | |
233 | restrictions.\r | |
234 | \r | |
235 | @param This Protocol instance pointer.\r | |
236 | @param ControllerHandle Handle of device to bind driver to\r | |
237 | @param RemainingDevicePath Optional parameter use to pick a specific child\r | |
238 | device to start.\r | |
239 | \r | |
240 | @retval EFI_SUCCESS This driver is added to ControllerHandle\r | |
241 | @retval EFI_ALREADY_STARTED This driver is already running on ControllerHandle\r | |
242 | @retval other This driver does not support this device\r | |
243 | \r | |
244 | **/\r | |
3a10d471 | 245 | EFI_STATUS\r |
246 | EFIAPI\r | |
247 | SCSIBusDriverBindingStart (\r | |
248 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
249 | IN EFI_HANDLE Controller,\r | |
250 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
251 | )\r | |
3a10d471 | 252 | {\r |
f36d6e66 | 253 | UINT64 Lun;\r |
254 | UINT8 *TargetId;\r | |
255 | BOOLEAN ScanOtherPuns;\r | |
256 | BOOLEAN FromFirstTarget;\r | |
257 | BOOLEAN ExtScsiSupport;\r | |
258 | EFI_STATUS Status;\r | |
259 | EFI_STATUS DevicePathStatus;\r | |
260 | EFI_STATUS PassThruStatus;\r | |
261 | SCSI_BUS_DEVICE *ScsiBusDev;\r | |
262 | SCSI_TARGET_ID *ScsiTargetId;\r | |
263 | EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath;\r | |
264 | EFI_SCSI_PASS_THRU_PROTOCOL *ScsiInterface;\r | |
265 | EFI_EXT_SCSI_PASS_THRU_PROTOCOL *ExtScsiInterface;\r | |
266 | EFI_SCSI_BUS_PROTOCOL *BusIdentify;\r | |
267 | \r | |
268 | TargetId = NULL;\r | |
269 | ScsiTargetId = NULL;\r | |
270 | ScanOtherPuns = TRUE;\r | |
70c94b3b | 271 | FromFirstTarget = FALSE;\r |
f36d6e66 | 272 | ExtScsiSupport = FALSE;\r |
273 | PassThruStatus = EFI_SUCCESS;\r | |
9beb888e | 274 | \r |
f36d6e66 | 275 | ScsiTargetId = AllocateZeroPool(sizeof(SCSI_TARGET_ID));\r |
70c94b3b | 276 | if (ScsiTargetId == NULL) {\r |
277 | return EFI_OUT_OF_RESOURCES;\r | |
278 | }\r | |
279 | \r | |
280 | TargetId = &ScsiTargetId->ScsiId.ExtScsi[0];\r | |
f36d6e66 | 281 | \r |
282 | DevicePathStatus = gBS->OpenProtocol (\r | |
283 | Controller,\r | |
284 | &gEfiDevicePathProtocolGuid,\r | |
285 | (VOID **) &ParentDevicePath,\r | |
286 | This->DriverBindingHandle,\r | |
287 | Controller,\r | |
288 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
289 | );\r | |
290 | if (EFI_ERROR (DevicePathStatus) && (DevicePathStatus != EFI_ALREADY_STARTED)) {\r | |
291 | return DevicePathStatus;\r | |
3a10d471 | 292 | }\r |
293 | \r | |
294 | //\r | |
f36d6e66 | 295 | // To keep backward compatibility, UEFI ExtPassThru Protocol is supported as well as \r |
296 | // EFI PassThru Protocol. From priority perspective, ExtPassThru Protocol is firstly\r | |
297 | // tried to open on host controller handle. If fails, then PassThru Protocol is tried instead.\r | |
3a10d471 | 298 | //\r |
299 | Status = gBS->OpenProtocol (\r | |
300 | Controller,\r | |
70c94b3b | 301 | &gEfiExtScsiPassThruProtocolGuid,\r |
f36d6e66 | 302 | (VOID **) &ExtScsiInterface,\r |
3a10d471 | 303 | This->DriverBindingHandle,\r |
304 | Controller,\r | |
305 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
306 | );\r | |
f36d6e66 | 307 | //\r |
308 | // Fail to open UEFI ExtendPassThru Protocol, then try to open EFI PassThru Protocol instead.\r | |
309 | //\r | |
310 | if (EFI_ERROR(Status) && (Status != EFI_ALREADY_STARTED)) {\r | |
70c94b3b | 311 | Status = gBS->OpenProtocol (\r |
312 | Controller,\r | |
313 | &gEfiScsiPassThruProtocolGuid,\r | |
f36d6e66 | 314 | (VOID **) &ScsiInterface,\r |
70c94b3b | 315 | This->DriverBindingHandle,\r |
316 | Controller,\r | |
317 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
318 | );\r | |
f36d6e66 | 319 | //\r |
320 | // Fail to open EFI PassThru Protocol, Close the DevicePathProtocol if it is opened by this time.\r | |
321 | //\r | |
322 | if (EFI_ERROR (Status) && (Status != EFI_ALREADY_STARTED)) {\r | |
323 | if (!EFI_ERROR(DevicePathStatus)) {\r | |
324 | gBS->CloseProtocol (\r | |
325 | Controller,\r | |
326 | &gEfiDevicePathProtocolGuid,\r | |
327 | This->DriverBindingHandle,\r | |
328 | Controller\r | |
329 | );\r | |
330 | } \r | |
70c94b3b | 331 | return Status;\r |
f36d6e66 | 332 | } \r |
70c94b3b | 333 | } else {\r |
f36d6e66 | 334 | //\r |
335 | // Succeed to open ExtPassThru Protocol, and meanwhile open PassThru Protocol \r | |
336 | // with BY_DRIVER if it is also present on the handle. The intent is to prevent \r | |
337 | // another SCSI Bus Driver to work on the same host handle.\r | |
338 | //\r | |
339 | ExtScsiSupport = TRUE;\r | |
340 | PassThruStatus = gBS->OpenProtocol (\r | |
341 | Controller,\r | |
342 | &gEfiScsiPassThruProtocolGuid,\r | |
343 | (VOID **) &ScsiInterface,\r | |
344 | This->DriverBindingHandle,\r | |
345 | Controller,\r | |
346 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
347 | );\r | |
70c94b3b | 348 | }\r |
f36d6e66 | 349 | \r |
350 | if (Status != EFI_ALREADY_STARTED) {\r | |
351 | //\r | |
352 | // Go through here means either ExtPassThru or PassThru Protocol is successfully opened\r | |
353 | // on this handle for this time. Then construct Host controller private data.\r | |
354 | //\r | |
355 | ScsiBusDev = NULL;\r | |
356 | ScsiBusDev = AllocateZeroPool(sizeof(SCSI_BUS_DEVICE));\r | |
357 | if (ScsiBusDev == NULL) {\r | |
358 | Status = EFI_OUT_OF_RESOURCES;\r | |
359 | goto ErrorExit;\r | |
360 | }\r | |
361 | ScsiBusDev->Signature = SCSI_BUS_DEVICE_SIGNATURE;\r | |
362 | ScsiBusDev->ExtScsiSupport = ExtScsiSupport;\r | |
363 | ScsiBusDev->DevicePath = ParentDevicePath;\r | |
70c94b3b | 364 | if (ScsiBusDev->ExtScsiSupport) {\r |
f36d6e66 | 365 | ScsiBusDev->ExtScsiInterface = ExtScsiInterface;\r |
70c94b3b | 366 | } else {\r |
f36d6e66 | 367 | ScsiBusDev->ScsiInterface = ScsiInterface; \r |
70c94b3b | 368 | }\r |
f36d6e66 | 369 | \r |
370 | //\r | |
371 | // Install EFI_SCSI_BUS_PROTOCOL to the controller handle, So ScsiBusDev could be\r | |
372 | // retrieved on this controller handle. With ScsiBusDev, we can know which PassThru\r | |
373 | // Protocol is present on the handle, UEFI ExtPassThru Protocol or EFI PassThru Protocol.\r | |
374 | // \r | |
375 | Status = gBS->InstallProtocolInterface (\r | |
376 | &Controller,\r | |
377 | &mScsiBusProtocolGuid,\r | |
378 | EFI_NATIVE_INTERFACE,\r | |
379 | &ScsiBusDev->BusIdentify\r | |
380 | );\r | |
381 | if (EFI_ERROR (Status)) {\r | |
382 | goto ErrorExit;\r | |
383 | }\r | |
384 | } else {\r | |
385 | //\r | |
386 | // Go through here means Start() is re-invoked again, nothing special is required to do except\r | |
387 | // picking up Host controller private information.\r | |
388 | //\r | |
389 | Status = gBS->OpenProtocol (\r | |
390 | Controller,\r | |
391 | &mScsiBusProtocolGuid,\r | |
392 | (VOID **) &BusIdentify,\r | |
393 | This->DriverBindingHandle,\r | |
394 | Controller,\r | |
395 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
396 | );\r | |
397 | \r | |
398 | if (EFI_ERROR (Status)) {\r | |
399 | return Status;\r | |
400 | }\r | |
401 | ScsiBusDev = SCSI_BUS_CONTROLLER_DEVICE_FROM_THIS (BusIdentify);\r | |
3a10d471 | 402 | }\r |
403 | \r | |
af4a6385 | 404 | Lun = 0;\r |
3a10d471 | 405 | if (RemainingDevicePath == NULL) {\r |
af4a6385 | 406 | //\r |
407 | // If RemainingDevicePath is NULL, \r | |
408 | // must enumerate all SCSI devices anyway\r | |
409 | //\r | |
70c94b3b | 410 | SetMem (ScsiTargetId, TARGET_MAX_BYTES,0xFF);\r |
70c94b3b | 411 | FromFirstTarget = TRUE;\r |
af4a6385 | 412 | \r |
413 | } else if (!IsDevicePathEnd (RemainingDevicePath)) {\r | |
414 | //\r | |
415 | // If RemainingDevicePath isn't the End of Device Path Node, \r | |
416 | // only scan the specified device by RemainingDevicePath\r | |
417 | //\r | |
70c94b3b | 418 | if (ScsiBusDev->ExtScsiSupport) {\r |
f36d6e66 | 419 | ScsiBusDev->ExtScsiInterface->GetTargetLun (ScsiBusDev->ExtScsiInterface, RemainingDevicePath, &TargetId, &Lun); \r |
70c94b3b | 420 | } else {\r |
421 | ScsiBusDev->ScsiInterface->GetTargetLun (ScsiBusDev->ScsiInterface, RemainingDevicePath, &ScsiTargetId->ScsiId.Scsi, &Lun);\r | |
422 | }\r | |
af4a6385 | 423 | \r |
424 | } else {\r | |
425 | //\r | |
426 | // If RemainingDevicePath is the End of Device Path Node,\r | |
427 | // skip enumerate any device and return EFI_SUCESSS\r | |
428 | // \r | |
429 | ScanOtherPuns = FALSE;\r | |
3a10d471 | 430 | }\r |
431 | \r | |
70c94b3b | 432 | while(ScanOtherPuns) {\r |
433 | if (FromFirstTarget) {\r | |
3a10d471 | 434 | //\r |
435 | // Remaining Device Path is NULL, scan all the possible Puns in the\r | |
436 | // SCSI Channel.\r | |
437 | //\r | |
70c94b3b | 438 | if (ScsiBusDev->ExtScsiSupport) {\r |
439 | Status = ScsiBusDev->ExtScsiInterface->GetNextTargetLun (ScsiBusDev->ExtScsiInterface, &TargetId, &Lun);\r | |
440 | } else {\r | |
441 | Status = ScsiBusDev->ScsiInterface->GetNextDevice (ScsiBusDev->ScsiInterface, &ScsiTargetId->ScsiId.Scsi, &Lun);\r | |
442 | }\r | |
3a10d471 | 443 | if (EFI_ERROR (Status)) {\r |
444 | //\r | |
445 | // no legal Pun and Lun found any more\r | |
446 | //\r | |
447 | break;\r | |
448 | }\r | |
449 | } else {\r | |
3a10d471 | 450 | ScanOtherPuns = FALSE;\r |
451 | }\r | |
3a10d471 | 452 | //\r |
453 | // Avoid creating handle for the host adapter.\r | |
454 | //\r | |
70c94b3b | 455 | if (ScsiBusDev->ExtScsiSupport) {\r |
456 | if ((ScsiTargetId->ScsiId.Scsi) == ScsiBusDev->ExtScsiInterface->Mode->AdapterId) {\r | |
457 | continue;\r | |
458 | }\r | |
459 | } else {\r | |
460 | if ((ScsiTargetId->ScsiId.Scsi) == ScsiBusDev->ScsiInterface->Mode->AdapterId) {\r | |
461 | continue;\r | |
462 | }\r | |
3a10d471 | 463 | }\r |
3a10d471 | 464 | //\r |
465 | // Scan for the scsi device, if it attaches to the scsi bus,\r | |
466 | // then create handle and install scsi i/o protocol.\r | |
467 | //\r | |
70c94b3b | 468 | Status = ScsiScanCreateDevice (This, Controller, ScsiTargetId, Lun, ScsiBusDev);\r |
3a10d471 | 469 | }\r |
9beb888e | 470 | FreePool (ScsiTargetId);\r |
f36d6e66 | 471 | return EFI_SUCCESS;\r |
9b38ff34 | 472 | \r |
f36d6e66 | 473 | ErrorExit:\r |
474 | \r | |
475 | if (ScsiBusDev != NULL) {\r | |
9b38ff34 | 476 | FreePool (ScsiBusDev);\r |
f36d6e66 | 477 | }\r |
478 | \r | |
479 | if (ExtScsiSupport) {\r | |
480 | gBS->CloseProtocol (\r | |
481 | Controller,\r | |
482 | &gEfiExtScsiPassThruProtocolGuid,\r | |
483 | This->DriverBindingHandle,\r | |
484 | Controller\r | |
485 | );\r | |
486 | if (!EFI_ERROR (PassThruStatus)) {\r | |
487 | gBS->CloseProtocol (\r | |
488 | Controller,\r | |
489 | &gEfiScsiPassThruProtocolGuid,\r | |
490 | This->DriverBindingHandle,\r | |
491 | Controller\r | |
492 | );\r | |
493 | }\r | |
494 | } else {\r | |
495 | gBS->CloseProtocol (\r | |
496 | Controller,\r | |
497 | &gEfiScsiPassThruProtocolGuid,\r | |
498 | This->DriverBindingHandle,\r | |
499 | Controller\r | |
500 | );\r | |
501 | }\r | |
3a10d471 | 502 | return Status;\r |
503 | }\r | |
504 | \r | |
9beb888e | 505 | /**\r |
506 | Stop this driver on ControllerHandle.\r | |
507 | \r | |
508 | This service is called by the EFI boot service DisconnectController().\r | |
509 | In order to make drivers as small as possible, there are a few calling\r | |
510 | restrictions for this service. DisconnectController() must follow these\r | |
511 | calling restrictions. If any other agent wishes to call Stop() it must also\r | |
512 | follow these calling restrictions.\r | |
513 | \r | |
514 | @param This Protocol instance pointer.\r | |
515 | @param ControllerHandle Handle of device to stop driver on\r | |
516 | @param NumberOfChildren Number of Handles in ChildHandleBuffer. If number of\r | |
517 | children is zero stop the entire bus driver.\r | |
518 | @param ChildHandleBuffer List of Child Handles to Stop.\r | |
519 | \r | |
520 | @retval EFI_SUCCESS This driver is removed ControllerHandle\r | |
521 | @retval other This driver was not removed from this device\r | |
522 | \r | |
523 | **/\r | |
3a10d471 | 524 | EFI_STATUS\r |
525 | EFIAPI\r | |
526 | SCSIBusDriverBindingStop (\r | |
527 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
528 | IN EFI_HANDLE Controller,\r | |
529 | IN UINTN NumberOfChildren,\r | |
530 | IN EFI_HANDLE *ChildHandleBuffer\r | |
531 | )\r | |
3a10d471 | 532 | {\r |
533 | EFI_STATUS Status;\r | |
534 | BOOLEAN AllChildrenStopped;\r | |
535 | UINTN Index;\r | |
536 | EFI_SCSI_IO_PROTOCOL *ScsiIo;\r | |
537 | SCSI_IO_DEV *ScsiIoDevice;\r | |
70c94b3b | 538 | VOID *ScsiPassThru;\r |
539 | EFI_SCSI_BUS_PROTOCOL *Scsidentifier;\r | |
540 | SCSI_BUS_DEVICE *ScsiBusDev;\r | |
3a10d471 | 541 | \r |
542 | if (NumberOfChildren == 0) {\r | |
70c94b3b | 543 | //\r |
544 | // Get the SCSI_BUS_DEVICE\r | |
545 | //\r | |
546 | Status = gBS->OpenProtocol (\r | |
547 | Controller,\r | |
548 | &mScsiBusProtocolGuid,\r | |
549 | (VOID **) &Scsidentifier,\r | |
550 | This->DriverBindingHandle,\r | |
551 | Controller,\r | |
552 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
553 | );\r | |
c52fa98c | 554 | \r |
70c94b3b | 555 | if (EFI_ERROR (Status)) {\r |
556 | return EFI_DEVICE_ERROR;\r | |
557 | }\r | |
558 | \r | |
559 | ScsiBusDev = SCSI_BUS_CONTROLLER_DEVICE_FROM_THIS (Scsidentifier);\r | |
560 | \r | |
561 | //\r | |
562 | // Uninstall SCSI Bus Protocol\r | |
563 | //\r | |
564 | gBS->UninstallProtocolInterface (\r | |
565 | Controller,\r | |
566 | &mScsiBusProtocolGuid,\r | |
567 | &ScsiBusDev->BusIdentify\r | |
568 | );\r | |
c52fa98c | 569 | \r |
3a10d471 | 570 | //\r |
571 | // Close the bus driver\r | |
572 | //\r | |
70c94b3b | 573 | if (ScsiBusDev->ExtScsiSupport) {\r |
1e5914b5 | 574 | //\r |
575 | // Close ExtPassThru Protocol from this controller handle\r | |
576 | //\r | |
70c94b3b | 577 | gBS->CloseProtocol (\r |
578 | Controller,\r | |
579 | &gEfiExtScsiPassThruProtocolGuid,\r | |
580 | This->DriverBindingHandle,\r | |
581 | Controller\r | |
582 | );\r | |
1e5914b5 | 583 | //\r |
584 | // When Start() succeeds to open ExtPassThru, it always tries to open PassThru BY_DRIVER.\r | |
585 | // Its intent is to prevent another SCSI Bus Driver from woking on the same host handle. \r | |
586 | // So Stop() needs to try to close PassThru if present here.\r | |
587 | //\r | |
588 | gBS->CloseProtocol (\r | |
589 | Controller,\r | |
590 | &gEfiScsiPassThruProtocolGuid,\r | |
591 | This->DriverBindingHandle,\r | |
592 | Controller\r | |
593 | );\r | |
70c94b3b | 594 | } else {\r |
595 | gBS->CloseProtocol (\r | |
596 | Controller,\r | |
597 | &gEfiScsiPassThruProtocolGuid,\r | |
598 | This->DriverBindingHandle,\r | |
599 | Controller\r | |
600 | );\r | |
601 | }\r | |
3a10d471 | 602 | \r |
70c94b3b | 603 | gBS->CloseProtocol (\r |
604 | Controller,\r | |
605 | &gEfiDevicePathProtocolGuid,\r | |
606 | This->DriverBindingHandle,\r | |
607 | Controller\r | |
608 | );\r | |
6c94a00d | 609 | FreePool (ScsiBusDev);\r |
3a10d471 | 610 | return EFI_SUCCESS;\r |
611 | }\r | |
612 | \r | |
613 | AllChildrenStopped = TRUE;\r | |
614 | \r | |
615 | for (Index = 0; Index < NumberOfChildren; Index++) {\r | |
616 | \r | |
617 | Status = gBS->OpenProtocol (\r | |
618 | ChildHandleBuffer[Index],\r | |
619 | &gEfiScsiIoProtocolGuid,\r | |
620 | (VOID **) &ScsiIo,\r | |
621 | This->DriverBindingHandle,\r | |
622 | Controller,\r | |
623 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
624 | );\r | |
625 | if (EFI_ERROR (Status)) {\r | |
626 | AllChildrenStopped = FALSE;\r | |
627 | continue;\r | |
628 | }\r | |
629 | \r | |
630 | ScsiIoDevice = SCSI_IO_DEV_FROM_THIS (ScsiIo);\r | |
631 | //\r | |
632 | // Close the child handle\r | |
633 | //\r | |
70c94b3b | 634 | if (ScsiIoDevice->ExtScsiSupport) {\r |
635 | Status = gBS->CloseProtocol (\r | |
636 | Controller,\r | |
637 | &gEfiExtScsiPassThruProtocolGuid,\r | |
638 | This->DriverBindingHandle,\r | |
639 | ChildHandleBuffer[Index]\r | |
640 | );\r | |
641 | \r | |
642 | } else {\r | |
643 | Status = gBS->CloseProtocol (\r | |
644 | Controller,\r | |
645 | &gEfiScsiPassThruProtocolGuid,\r | |
646 | This->DriverBindingHandle,\r | |
647 | ChildHandleBuffer[Index]\r | |
648 | );\r | |
649 | }\r | |
3a10d471 | 650 | \r |
651 | Status = gBS->UninstallMultipleProtocolInterfaces (\r | |
652 | ChildHandleBuffer[Index],\r | |
653 | &gEfiDevicePathProtocolGuid,\r | |
654 | ScsiIoDevice->DevicePath,\r | |
655 | &gEfiScsiIoProtocolGuid,\r | |
656 | &ScsiIoDevice->ScsiIo,\r | |
657 | NULL\r | |
658 | );\r | |
659 | if (EFI_ERROR (Status)) {\r | |
660 | AllChildrenStopped = FALSE;\r | |
70c94b3b | 661 | if (ScsiIoDevice->ExtScsiSupport) {\r |
662 | gBS->OpenProtocol (\r | |
663 | Controller,\r | |
664 | &gEfiExtScsiPassThruProtocolGuid,\r | |
84b5c78e | 665 | &ScsiPassThru,\r |
70c94b3b | 666 | This->DriverBindingHandle,\r |
667 | ChildHandleBuffer[Index],\r | |
668 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r | |
669 | );\r | |
670 | } else {\r | |
671 | gBS->OpenProtocol (\r | |
672 | Controller,\r | |
673 | &gEfiScsiPassThruProtocolGuid,\r | |
84b5c78e | 674 | &ScsiPassThru,\r |
70c94b3b | 675 | This->DriverBindingHandle,\r |
676 | ChildHandleBuffer[Index],\r | |
677 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r | |
678 | );\r | |
679 | }\r | |
3a10d471 | 680 | } else {\r |
6c94a00d | 681 | FreePool (ScsiIoDevice);\r |
3a10d471 | 682 | }\r |
683 | }\r | |
684 | \r | |
685 | if (!AllChildrenStopped) {\r | |
686 | return EFI_DEVICE_ERROR;\r | |
687 | }\r | |
688 | \r | |
689 | return EFI_SUCCESS;\r | |
690 | }\r | |
691 | \r | |
9beb888e | 692 | \r |
693 | /**\r | |
694 | Retrieves the device type information of the SCSI Controller.\r | |
695 | \r | |
696 | @param This Protocol instance pointer.\r | |
697 | @param DeviceType A pointer to the device type information retrieved from\r | |
698 | the SCSI Controller. \r | |
699 | \r | |
700 | @retval EFI_SUCCESS Retrieves the device type information successfully.\r | |
701 | @retval EFI_INVALID_PARAMETER The DeviceType is NULL.\r | |
702 | \r | |
703 | **/\r | |
3a10d471 | 704 | EFI_STATUS\r |
705 | EFIAPI\r | |
706 | ScsiGetDeviceType (\r | |
707 | IN EFI_SCSI_IO_PROTOCOL *This,\r | |
708 | OUT UINT8 *DeviceType\r | |
709 | )\r | |
3a10d471 | 710 | {\r |
711 | SCSI_IO_DEV *ScsiIoDevice;\r | |
712 | \r | |
713 | if (DeviceType == NULL) {\r | |
714 | return EFI_INVALID_PARAMETER;\r | |
715 | }\r | |
716 | \r | |
717 | ScsiIoDevice = SCSI_IO_DEV_FROM_THIS (This);\r | |
718 | *DeviceType = ScsiIoDevice->ScsiDeviceType;\r | |
719 | return EFI_SUCCESS;\r | |
720 | }\r | |
721 | \r | |
9beb888e | 722 | \r |
723 | /**\r | |
724 | Retrieves the device location in the SCSI channel.\r | |
725 | \r | |
726 | @param This Protocol instance pointer.\r | |
727 | @param Target A pointer to the Target ID of a SCSI device\r | |
728 | on the SCSI channel.\r | |
729 | @param Lun A pointer to the LUN of the SCSI device on\r | |
730 | the SCSI channel.\r | |
731 | \r | |
732 | @retval EFI_SUCCESS Retrieves the device location successfully.\r | |
733 | @retval EFI_INVALID_PARAMETER The Target or Lun is NULL.\r | |
734 | \r | |
735 | **/\r | |
3a10d471 | 736 | EFI_STATUS\r |
737 | EFIAPI\r | |
738 | ScsiGetDeviceLocation (\r | |
739 | IN EFI_SCSI_IO_PROTOCOL *This,\r | |
70c94b3b | 740 | IN OUT UINT8 **Target,\r |
3a10d471 | 741 | OUT UINT64 *Lun\r |
742 | )\r | |
3a10d471 | 743 | {\r |
744 | SCSI_IO_DEV *ScsiIoDevice;\r | |
745 | \r | |
746 | if (Target == NULL || Lun == NULL) {\r | |
747 | return EFI_INVALID_PARAMETER;\r | |
748 | }\r | |
749 | \r | |
f36d6e66 | 750 | ScsiIoDevice = SCSI_IO_DEV_FROM_THIS (This);\r |
3a10d471 | 751 | \r |
70c94b3b | 752 | CopyMem (*Target,&ScsiIoDevice->Pun, TARGET_MAX_BYTES);\r |
753 | \r | |
f36d6e66 | 754 | *Lun = ScsiIoDevice->Lun;\r |
3a10d471 | 755 | \r |
756 | return EFI_SUCCESS;\r | |
757 | }\r | |
758 | \r | |
9beb888e | 759 | /**\r |
760 | Resets the SCSI Bus that the SCSI Controller is attached to.\r | |
761 | \r | |
762 | @param This Protocol instance pointer.\r | |
763 | \r | |
764 | @retval EFI_SUCCESS The SCSI bus is reset successfully.\r | |
765 | @retval EFI_DEVICE_ERROR Errors encountered when resetting the SCSI bus.\r | |
766 | @retval EFI_UNSUPPORTED The bus reset operation is not supported by the\r | |
767 | SCSI Host Controller.\r | |
768 | @retval EFI_TIMEOUT A timeout occurred while attempting to reset \r | |
769 | the SCSI bus.\r | |
770 | **/\r | |
3a10d471 | 771 | EFI_STATUS\r |
772 | EFIAPI\r | |
773 | ScsiResetBus (\r | |
774 | IN EFI_SCSI_IO_PROTOCOL *This\r | |
775 | )\r | |
3a10d471 | 776 | {\r |
777 | SCSI_IO_DEV *ScsiIoDevice;\r | |
778 | \r | |
779 | ScsiIoDevice = SCSI_IO_DEV_FROM_THIS (This);\r | |
780 | \r | |
70c94b3b | 781 | if (ScsiIoDevice->ExtScsiSupport){\r |
782 | return ScsiIoDevice->ExtScsiPassThru->ResetChannel (ScsiIoDevice->ExtScsiPassThru);\r | |
783 | } else {\r | |
784 | return ScsiIoDevice->ScsiPassThru->ResetChannel (ScsiIoDevice->ScsiPassThru);\r | |
785 | }\r | |
3a10d471 | 786 | }\r |
787 | \r | |
9beb888e | 788 | \r |
789 | /**\r | |
790 | Resets the SCSI Controller that the device handle specifies.\r | |
791 | \r | |
792 | @param This Protocol instance pointer.\r | |
793 | \r | |
794 | @retval EFI_SUCCESS Reset the SCSI controller successfully.\r | |
795 | @retval EFI_DEVICE_ERROR Errors are encountered when resetting the SCSI Controller.\r | |
796 | @retval EFI_UNSUPPORTED The SCSI bus does not support a device reset operation.\r | |
797 | @retval EFI_TIMEOUT A timeout occurred while attempting to reset the\r | |
798 | SCSI Controller.\r | |
799 | **/\r | |
3a10d471 | 800 | EFI_STATUS\r |
801 | EFIAPI\r | |
802 | ScsiResetDevice (\r | |
803 | IN EFI_SCSI_IO_PROTOCOL *This\r | |
804 | )\r | |
3a10d471 | 805 | {\r |
f36d6e66 | 806 | SCSI_IO_DEV *ScsiIoDevice;\r |
70c94b3b | 807 | UINT8 Target[TARGET_MAX_BYTES];\r |
3a10d471 | 808 | \r |
809 | ScsiIoDevice = SCSI_IO_DEV_FROM_THIS (This);\r | |
70c94b3b | 810 | CopyMem (Target,&ScsiIoDevice->Pun, TARGET_MAX_BYTES);\r |
811 | \r | |
3a10d471 | 812 | \r |
70c94b3b | 813 | if (ScsiIoDevice->ExtScsiSupport) {\r |
814 | return ScsiIoDevice->ExtScsiPassThru->ResetTargetLun (\r | |
815 | ScsiIoDevice->ExtScsiPassThru,\r | |
816 | Target,\r | |
817 | ScsiIoDevice->Lun\r | |
818 | );\r | |
819 | } else {\r | |
820 | return ScsiIoDevice->ScsiPassThru->ResetTarget (\r | |
821 | ScsiIoDevice->ScsiPassThru,\r | |
822 | ScsiIoDevice->Pun.ScsiId.Scsi,\r | |
823 | ScsiIoDevice->Lun\r | |
824 | );\r | |
825 | }\r | |
3a10d471 | 826 | }\r |
827 | \r | |
f36d6e66 | 828 | \r |
9beb888e | 829 | /**\r |
f36d6e66 | 830 | Sends a SCSI Request Packet to the SCSI Controller for execution.\r |
f36d6e66 | 831 | \r |
9beb888e | 832 | @param This Protocol instance pointer.\r |
833 | @param CommandPacket The SCSI request packet to send to the SCSI \r | |
f36d6e66 | 834 | Controller specified by the device handle.\r |
9beb888e | 835 | @param Event If the SCSI bus where the SCSI device is attached\r |
f36d6e66 | 836 | does not support non-blocking I/O, then Event is \r |
837 | ignored, and blocking I/O is performed. \r | |
838 | If Event is NULL, then blocking I/O is performed.\r | |
839 | If Event is not NULL and non-blocking I/O is \r | |
840 | supported, then non-blocking I/O is performed,\r | |
841 | and Event will be signaled when the SCSI Request\r | |
842 | Packet completes.\r | |
9beb888e | 843 | \r |
844 | @retval EFI_SUCCESS The SCSI Request Packet was sent by the host \r | |
845 | successfully, and TransferLength bytes were \r | |
846 | transferred to/from DataBuffer.See \r | |
847 | HostAdapterStatus, TargetStatus, \r | |
848 | SenseDataLength, and SenseData in that order\r | |
849 | for additional status information.\r | |
850 | @retval EFI_BAD_BUFFER_SIZE The SCSI Request Packet was executed, \r | |
851 | but the entire DataBuffer could not be transferred.\r | |
852 | The actual number of bytes transferred is returned\r | |
853 | in TransferLength. See HostAdapterStatus, \r | |
854 | TargetStatus, SenseDataLength, and SenseData in \r | |
855 | that order for additional status information.\r | |
856 | @retval EFI_NOT_READY The SCSI Request Packet could not be sent because \r | |
857 | there are too many SCSI Command Packets already \r | |
858 | queued.The caller may retry again later.\r | |
859 | @retval EFI_DEVICE_ERROR A device error occurred while attempting to send \r | |
860 | the SCSI Request Packet. See HostAdapterStatus, \r | |
861 | TargetStatus, SenseDataLength, and SenseData in \r | |
862 | that order for additional status information.\r | |
863 | @retval EFI_INVALID_PARAMETER The contents of CommandPacket are invalid. \r | |
864 | The SCSI Request Packet was not sent, so no \r | |
865 | additional status information is available.\r | |
866 | @retval EFI_UNSUPPORTED The command described by the SCSI Request Packet\r | |
867 | is not supported by the SCSI initiator(i.e., SCSI \r | |
868 | Host Controller). The SCSI Request Packet was not\r | |
869 | sent, so no additional status information is \r | |
870 | available.\r | |
871 | @retval EFI_TIMEOUT A timeout occurred while waiting for the SCSI \r | |
872 | Request Packet to execute. See HostAdapterStatus,\r | |
873 | TargetStatus, SenseDataLength, and SenseData in \r | |
874 | that order for additional status information.\r | |
875 | **/\r | |
876 | EFI_STATUS\r | |
877 | EFIAPI\r | |
878 | ScsiExecuteSCSICommand (\r | |
879 | IN EFI_SCSI_IO_PROTOCOL *This,\r | |
880 | IN OUT EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet,\r | |
881 | IN EFI_EVENT Event OPTIONAL\r | |
882 | )\r | |
3a10d471 | 883 | {\r |
f36d6e66 | 884 | SCSI_IO_DEV *ScsiIoDevice;\r |
885 | EFI_STATUS Status;\r | |
70c94b3b | 886 | UINT8 Target[TARGET_MAX_BYTES];\r |
887 | EFI_EVENT PacketEvent;\r | |
888 | EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *ExtRequestPacket;\r | |
f36d6e66 | 889 | SCSI_EVENT_DATA EventData; \r |
3a10d471 | 890 | \r |
70c94b3b | 891 | PacketEvent = NULL;\r |
f36d6e66 | 892 | \r |
3a10d471 | 893 | if (Packet == NULL) {\r |
894 | return EFI_INVALID_PARAMETER;\r | |
895 | }\r | |
896 | \r | |
897 | ScsiIoDevice = SCSI_IO_DEV_FROM_THIS (This);\r | |
70c94b3b | 898 | CopyMem (Target,&ScsiIoDevice->Pun, TARGET_MAX_BYTES);\r |
c52fa98c | 899 | \r |
70c94b3b | 900 | if (ScsiIoDevice->ExtScsiSupport) {\r |
901 | ExtRequestPacket = (EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *) Packet;\r | |
902 | Status = ScsiIoDevice->ExtScsiPassThru->PassThru (\r | |
903 | ScsiIoDevice->ExtScsiPassThru,\r | |
904 | Target,\r | |
905 | ScsiIoDevice->Lun,\r | |
906 | ExtRequestPacket,\r | |
907 | Event\r | |
908 | );\r | |
909 | } else {\r | |
3a10d471 | 910 | \r |
9b38ff34 | 911 | mWorkingBuffer = AllocatePool (sizeof(EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET));\r |
3a10d471 | 912 | \r |
9b38ff34 | 913 | if (mWorkingBuffer == NULL) {\r |
70c94b3b | 914 | return EFI_DEVICE_ERROR;\r |
915 | }\r | |
916 | \r | |
917 | //\r | |
c52fa98c | 918 | // Convert package into EFI1.0, EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET.\r |
70c94b3b | 919 | //\r |
9beb888e | 920 | Status = ScsiioToPassThruPacket(Packet, (EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET*)mWorkingBuffer);\r |
70c94b3b | 921 | if (EFI_ERROR(Status)) {\r |
9beb888e | 922 | FreePool(mWorkingBuffer);\r |
70c94b3b | 923 | return Status;\r |
924 | }\r | |
925 | \r | |
7077edb3 | 926 | if (((ScsiIoDevice->ScsiPassThru->Mode->Attributes & EFI_SCSI_PASS_THRU_ATTRIBUTES_NONBLOCKIO) != 0) && (Event != NULL)) {\r |
70c94b3b | 927 | EventData.Data1 = (VOID*)Packet;\r |
928 | EventData.Data2 = Event;\r | |
929 | //\r | |
930 | // Create Event\r | |
931 | //\r | |
932 | Status = gBS->CreateEvent (\r | |
933 | EVT_NOTIFY_SIGNAL,\r | |
934 | TPL_CALLBACK,\r | |
935 | NotifyFunction,\r | |
936 | &EventData,\r | |
937 | &PacketEvent\r | |
938 | );\r | |
939 | if (EFI_ERROR(Status)) {\r | |
9beb888e | 940 | FreePool(mWorkingBuffer);\r |
70c94b3b | 941 | return Status;\r |
942 | }\r | |
c52fa98c | 943 | \r |
70c94b3b | 944 | Status = ScsiIoDevice->ScsiPassThru->PassThru (\r |
945 | ScsiIoDevice->ScsiPassThru,\r | |
946 | ScsiIoDevice->Pun.ScsiId.Scsi,\r | |
947 | ScsiIoDevice->Lun,\r | |
9beb888e | 948 | mWorkingBuffer,\r |
70c94b3b | 949 | PacketEvent\r |
950 | );\r | |
951 | \r | |
952 | if (EFI_ERROR(Status)) {\r | |
9b38ff34 | 953 | FreePool(mWorkingBuffer);\r |
70c94b3b | 954 | gBS->CloseEvent(PacketEvent);\r |
955 | return Status;\r | |
956 | }\r | |
c52fa98c | 957 | \r |
70c94b3b | 958 | } else {\r |
959 | //\r | |
960 | // If there's no event or SCSI Device doesn't support NON-BLOCKING, just convert\r | |
961 | // EFI1.0 PassThru packet back to UEFI2.0 SCSI IO Packet.\r | |
962 | //\r | |
963 | Status = ScsiIoDevice->ScsiPassThru->PassThru (\r | |
964 | ScsiIoDevice->ScsiPassThru,\r | |
965 | ScsiIoDevice->Pun.ScsiId.Scsi,\r | |
966 | ScsiIoDevice->Lun,\r | |
9beb888e | 967 | mWorkingBuffer,\r |
70c94b3b | 968 | Event\r |
969 | );\r | |
970 | if (EFI_ERROR(Status)) {\r | |
9beb888e | 971 | FreePool(mWorkingBuffer);\r |
70c94b3b | 972 | return Status;\r |
973 | }\r | |
974 | \r | |
9beb888e | 975 | PassThruToScsiioPacket((EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET*)mWorkingBuffer,Packet);\r |
70c94b3b | 976 | //\r |
977 | // After converting EFI1.0 PassThru Packet back to UEFI2.0 SCSI IO Packet,\r | |
9beb888e | 978 | // free mWorkingBuffer.\r |
70c94b3b | 979 | //\r |
9beb888e | 980 | FreePool(mWorkingBuffer);\r |
70c94b3b | 981 | }\r |
982 | }\r | |
3a10d471 | 983 | return Status;\r |
984 | }\r | |
985 | \r | |
3a10d471 | 986 | \r |
9beb888e | 987 | /**\r |
70c94b3b | 988 | Scan SCSI Bus to discover the device, and attach ScsiIoProtocol to it.\r |
3a10d471 | 989 | \r |
9beb888e | 990 | @param This Protocol instance pointer\r |
991 | @param Controller Controller handle\r | |
992 | @param TargetId Tartget to be scanned\r | |
993 | @param Lun The Lun of the SCSI device on the SCSI channel.\r | |
994 | @param ScsiBusDev The pointer of SCSI_BUS_DEVICE\r | |
3a10d471 | 995 | \r |
9beb888e | 996 | @retval EFI_SUCCESS Successfully to discover the device and attach\r |
997 | ScsiIoProtocol to it.\r | |
998 | @retval EFI_OUT_OF_RESOURCES Fail to discover the device.\r | |
3a10d471 | 999 | \r |
9beb888e | 1000 | **/\r |
1001 | EFI_STATUS\r | |
1002 | EFIAPI\r | |
1003 | ScsiScanCreateDevice (\r | |
1004 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
1005 | IN EFI_HANDLE Controller,\r | |
1006 | IN SCSI_TARGET_ID *TargetId,\r | |
1007 | IN UINT64 Lun,\r | |
1008 | IN OUT SCSI_BUS_DEVICE *ScsiBusDev\r | |
1009 | )\r | |
3a10d471 | 1010 | {\r |
1011 | EFI_STATUS Status;\r | |
1012 | SCSI_IO_DEV *ScsiIoDevice;\r | |
1013 | EFI_DEVICE_PATH_PROTOCOL *ScsiDevicePath;\r | |
1014 | \r | |
9beb888e | 1015 | ScsiIoDevice = AllocateZeroPool (sizeof (SCSI_IO_DEV));\r |
1016 | if (ScsiIoDevice == NULL) {\r | |
1017 | return EFI_OUT_OF_RESOURCES;\r | |
3a10d471 | 1018 | }\r |
1019 | \r | |
3a10d471 | 1020 | ScsiIoDevice->Signature = SCSI_IO_DEV_SIGNATURE;\r |
70c94b3b | 1021 | CopyMem(&ScsiIoDevice->Pun, TargetId, TARGET_MAX_BYTES);\r |
3a10d471 | 1022 | ScsiIoDevice->Lun = Lun;\r |
1023 | \r | |
70c94b3b | 1024 | if (ScsiBusDev->ExtScsiSupport) {\r |
1025 | ScsiIoDevice->ExtScsiPassThru = ScsiBusDev->ExtScsiInterface;\r | |
1026 | ScsiIoDevice->ExtScsiSupport = TRUE;\r | |
1027 | ScsiIoDevice->ScsiIo.IoAlign = ScsiIoDevice->ExtScsiPassThru->Mode->IoAlign;\r | |
1028 | \r | |
1029 | } else {\r | |
1030 | ScsiIoDevice->ScsiPassThru = ScsiBusDev->ScsiInterface;\r | |
1031 | ScsiIoDevice->ExtScsiSupport = FALSE;\r | |
1032 | ScsiIoDevice->ScsiIo.IoAlign = ScsiIoDevice->ScsiPassThru->Mode->IoAlign;\r | |
1033 | }\r | |
1034 | \r | |
3a10d471 | 1035 | ScsiIoDevice->ScsiIo.GetDeviceType = ScsiGetDeviceType;\r |
70c94b3b | 1036 | ScsiIoDevice->ScsiIo.GetDeviceLocation = ScsiGetDeviceLocation;\r |
3a10d471 | 1037 | ScsiIoDevice->ScsiIo.ResetBus = ScsiResetBus;\r |
1038 | ScsiIoDevice->ScsiIo.ResetDevice = ScsiResetDevice;\r | |
24e734d2 | 1039 | ScsiIoDevice->ScsiIo.ExecuteScsiCommand = ScsiExecuteSCSICommand;\r |
3a10d471 | 1040 | \r |
70c94b3b | 1041 | \r |
3a10d471 | 1042 | if (!DiscoverScsiDevice (ScsiIoDevice)) {\r |
9beb888e | 1043 | FreePool (ScsiIoDevice);\r |
70c94b3b | 1044 | return EFI_OUT_OF_RESOURCES;\r |
3a10d471 | 1045 | }\r |
70c94b3b | 1046 | \r |
3a10d471 | 1047 | //\r |
1048 | // Set Device Path\r | |
1049 | //\r | |
6c94a00d | 1050 | ScsiDevicePath = NULL;\r |
70c94b3b | 1051 | if (ScsiIoDevice->ExtScsiSupport){\r |
1052 | Status = ScsiIoDevice->ExtScsiPassThru->BuildDevicePath (\r | |
1053 | ScsiIoDevice->ExtScsiPassThru,\r | |
1054 | &ScsiIoDevice->Pun.ScsiId.ExtScsi[0],\r | |
1055 | ScsiIoDevice->Lun,\r | |
1056 | &ScsiDevicePath\r | |
1057 | );\r | |
70c94b3b | 1058 | } else {\r |
1059 | Status = ScsiIoDevice->ScsiPassThru->BuildDevicePath (\r | |
1060 | ScsiIoDevice->ScsiPassThru,\r | |
1061 | ScsiIoDevice->Pun.ScsiId.Scsi,\r | |
1062 | ScsiIoDevice->Lun,\r | |
1063 | &ScsiDevicePath\r | |
1064 | );\r | |
1068a653 | 1065 | }\r |
1066 | \r | |
ef13cf23 | 1067 | if (EFI_ERROR(Status)) {\r |
1068a653 | 1068 | FreePool (ScsiIoDevice);\r |
1069 | return Status;\r | |
3a10d471 | 1070 | }\r |
c52fa98c | 1071 | \r |
3a10d471 | 1072 | ScsiIoDevice->DevicePath = AppendDevicePathNode (\r |
70c94b3b | 1073 | ScsiBusDev->DevicePath,\r |
3a10d471 | 1074 | ScsiDevicePath\r |
1075 | );\r | |
1076 | //\r | |
1077 | // The memory space for ScsiDevicePath is allocated in\r | |
1078 | // ScsiPassThru->BuildDevicePath() function; It is no longer used\r | |
1079 | // after EfiAppendDevicePathNode,so free the memory it occupies.\r | |
1080 | //\r | |
6c94a00d | 1081 | FreePool (ScsiDevicePath);\r |
3a10d471 | 1082 | \r |
1083 | if (ScsiIoDevice->DevicePath == NULL) {\r | |
6c94a00d | 1084 | FreePool (ScsiIoDevice);\r |
3a10d471 | 1085 | return EFI_OUT_OF_RESOURCES;\r |
1086 | }\r | |
c52fa98c | 1087 | \r |
3a10d471 | 1088 | Status = gBS->InstallMultipleProtocolInterfaces (\r |
1089 | &ScsiIoDevice->Handle,\r | |
1090 | &gEfiDevicePathProtocolGuid,\r | |
1091 | ScsiIoDevice->DevicePath,\r | |
1092 | &gEfiScsiIoProtocolGuid,\r | |
1093 | &ScsiIoDevice->ScsiIo,\r | |
1094 | NULL\r | |
1095 | );\r | |
1096 | if (EFI_ERROR (Status)) {\r | |
1068a653 | 1097 | FreePool (ScsiIoDevice->DevicePath);\r |
9b38ff34 | 1098 | FreePool (ScsiIoDevice);\r |
70c94b3b | 1099 | return EFI_OUT_OF_RESOURCES;\r |
3a10d471 | 1100 | } else {\r |
70c94b3b | 1101 | if (ScsiBusDev->ExtScsiSupport) {\r |
1102 | gBS->OpenProtocol (\r | |
1103 | Controller,\r | |
1104 | &gEfiExtScsiPassThruProtocolGuid,\r | |
1105 | (VOID **) &(ScsiBusDev->ExtScsiInterface),\r | |
1106 | This->DriverBindingHandle,\r | |
1107 | ScsiIoDevice->Handle,\r | |
1108 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r | |
1109 | );\r | |
1110 | } else {\r | |
1111 | gBS->OpenProtocol (\r | |
1112 | Controller,\r | |
1113 | &gEfiScsiPassThruProtocolGuid,\r | |
1114 | (VOID **) &(ScsiBusDev->ScsiInterface),\r | |
1115 | This->DriverBindingHandle,\r | |
1116 | ScsiIoDevice->Handle,\r | |
1117 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r | |
1118 | );\r | |
1119 | }\r | |
3a10d471 | 1120 | }\r |
3a10d471 | 1121 | return EFI_SUCCESS;\r |
1122 | }\r | |
1123 | \r | |
3a10d471 | 1124 | \r |
9beb888e | 1125 | /**\r |
70c94b3b | 1126 | Discovery SCSI Device\r |
3a10d471 | 1127 | \r |
9beb888e | 1128 | @param ScsiIoDevice The pointer of SCSI_IO_DEV\r |
3a10d471 | 1129 | \r |
9beb888e | 1130 | @retval TRUE Find SCSI Device and verify it.\r |
1131 | @retval FALSE Unable to find SCSI Device.\r | |
3a10d471 | 1132 | \r |
9beb888e | 1133 | **/\r |
1134 | BOOLEAN\r | |
1135 | DiscoverScsiDevice (\r | |
1136 | IN OUT SCSI_IO_DEV *ScsiIoDevice\r | |
1137 | )\r | |
3a10d471 | 1138 | {\r |
1139 | EFI_STATUS Status;\r | |
3a10d471 | 1140 | UINT32 InquiryDataLength;\r |
3a10d471 | 1141 | UINT8 SenseDataLength;\r |
1142 | UINT8 HostAdapterStatus;\r | |
1143 | UINT8 TargetStatus;\r | |
70c94b3b | 1144 | EFI_SCSI_SENSE_DATA SenseData;\r |
1145 | EFI_SCSI_INQUIRY_DATA InquiryData;\r | |
3a10d471 | 1146 | \r |
1147 | HostAdapterStatus = 0;\r | |
1148 | TargetStatus = 0;\r | |
1149 | //\r | |
1150 | // Using Inquiry command to scan for the device\r | |
1151 | //\r | |
1152 | InquiryDataLength = sizeof (EFI_SCSI_INQUIRY_DATA);\r | |
1153 | SenseDataLength = sizeof (EFI_SCSI_SENSE_DATA);\r | |
1154 | \r | |
d35be2a4 | 1155 | Status = ScsiInquiryCommand (\r |
3a10d471 | 1156 | &ScsiIoDevice->ScsiIo,\r |
e72a3b3e | 1157 | EFI_TIMER_PERIOD_SECONDS (1),\r |
3a10d471 | 1158 | (VOID *) &SenseData,\r |
1159 | &SenseDataLength,\r | |
1160 | &HostAdapterStatus,\r | |
1161 | &TargetStatus,\r | |
1162 | (VOID *) &InquiryData,\r | |
1163 | &InquiryDataLength,\r | |
1164 | FALSE\r | |
1165 | );\r | |
d1a8a1dc | 1166 | if (EFI_ERROR (Status) && Status != EFI_BAD_BUFFER_SIZE) {\r |
3a10d471 | 1167 | return FALSE;\r |
1168 | }\r | |
1169 | //\r | |
1170 | // Retrieved inquiry data successfully\r | |
1171 | //\r | |
1172 | if ((InquiryData.Peripheral_Qualifier != 0) &&\r | |
1173 | (InquiryData.Peripheral_Qualifier != 3)) {\r | |
1174 | return FALSE;\r | |
1175 | }\r | |
1176 | \r | |
1177 | if (InquiryData.Peripheral_Qualifier == 3) {\r | |
1178 | if (InquiryData.Peripheral_Type != 0x1f) {\r | |
1179 | return FALSE;\r | |
1180 | }\r | |
1181 | }\r | |
1182 | \r | |
67a58d0f | 1183 | if (0x1e >= InquiryData.Peripheral_Type && InquiryData.Peripheral_Type >= 0xa) {\r |
3a10d471 | 1184 | return FALSE;\r |
1185 | }\r | |
c52fa98c | 1186 | \r |
3a10d471 | 1187 | //\r |
1188 | // valid device type and peripheral qualifier combination.\r | |
1189 | //\r | |
1190 | ScsiIoDevice->ScsiDeviceType = InquiryData.Peripheral_Type;\r | |
fbfa4a1d | 1191 | ScsiIoDevice->RemovableDevice = InquiryData.Rmb;\r |
3a10d471 | 1192 | if (InquiryData.Version == 0) {\r |
1193 | ScsiIoDevice->ScsiVersion = 0;\r | |
1194 | } else {\r | |
1195 | //\r | |
1196 | // ANSI-approved version\r | |
1197 | //\r | |
1198 | ScsiIoDevice->ScsiVersion = (UINT8) (InquiryData.Version & 0x03);\r | |
1199 | }\r | |
1200 | \r | |
1201 | return TRUE;\r | |
1202 | }\r | |
70c94b3b | 1203 | \r |
1204 | \r | |
9beb888e | 1205 | /**\r |
1206 | Convert EFI_SCSI_IO_SCSI_REQUEST_PACKET packet to EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET packet.\r | |
1207 | \r | |
1208 | @param Packet The pointer of EFI_SCSI_IO_SCSI_REQUEST_PACKET\r | |
1209 | @param CommandPacket The pointer of EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET\r | |
1210 | \r | |
1211 | **/\r | |
70c94b3b | 1212 | EFI_STATUS\r |
1213 | EFIAPI\r | |
1214 | ScsiioToPassThruPacket (\r | |
1215 | IN EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet,\r | |
9beb888e | 1216 | OUT EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *CommandPacket\r |
70c94b3b | 1217 | )\r |
70c94b3b | 1218 | {\r |
1219 | //\r | |
1220 | //EFI 1.10 doesn't support Bi-Direction Command.\r | |
1221 | //\r | |
1222 | if (Packet->DataDirection == EFI_SCSI_IO_DATA_DIRECTION_BIDIRECTIONAL) {\r | |
1223 | return EFI_UNSUPPORTED;\r | |
1224 | }\r | |
c52fa98c | 1225 | \r |
70c94b3b | 1226 | ZeroMem (CommandPacket, sizeof (EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET));\r |
1227 | \r | |
1228 | CommandPacket->Timeout = Packet->Timeout;\r | |
1229 | CommandPacket->Cdb = Packet->Cdb;\r | |
1230 | CommandPacket->CdbLength = Packet->CdbLength;\r | |
1231 | CommandPacket->DataDirection = Packet->DataDirection;\r | |
1232 | CommandPacket->HostAdapterStatus = Packet->HostAdapterStatus;\r | |
1233 | CommandPacket->TargetStatus = Packet->TargetStatus;\r | |
1234 | CommandPacket->SenseData = Packet->SenseData;\r | |
1235 | CommandPacket->SenseDataLength = Packet->SenseDataLength;\r | |
1236 | \r | |
1237 | if (Packet->DataDirection == EFI_SCSI_IO_DATA_DIRECTION_READ) {\r | |
1238 | CommandPacket->DataBuffer = Packet->InDataBuffer;\r | |
1239 | CommandPacket->TransferLength = Packet->InTransferLength;\r | |
1240 | } else if (Packet->DataDirection == EFI_SCSI_IO_DATA_DIRECTION_WRITE) {\r | |
1241 | CommandPacket->DataBuffer = Packet->OutDataBuffer;\r | |
1242 | CommandPacket->TransferLength = Packet->OutTransferLength;\r | |
1243 | }\r | |
1244 | return EFI_SUCCESS;\r | |
1245 | }\r | |
1246 | \r | |
1247 | \r | |
9beb888e | 1248 | /**\r |
1249 | Convert EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET packet to EFI_SCSI_IO_SCSI_REQUEST_PACKET packet.\r | |
1250 | \r | |
1251 | @param ScsiPacket The pointer of EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET\r | |
1252 | @param Packet The pointer of EFI_SCSI_IO_SCSI_REQUEST_PACKET\r | |
1253 | \r | |
1254 | **/\r | |
70c94b3b | 1255 | EFI_STATUS\r |
1256 | EFIAPI\r | |
1257 | PassThruToScsiioPacket (\r | |
1258 | IN EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *ScsiPacket,\r | |
9beb888e | 1259 | OUT EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet\r |
70c94b3b | 1260 | )\r |
70c94b3b | 1261 | {\r |
1262 | Packet->Timeout = ScsiPacket->Timeout;\r | |
1263 | Packet->Cdb = ScsiPacket->Cdb;\r | |
1264 | Packet->CdbLength = ScsiPacket->CdbLength;\r | |
1265 | Packet->DataDirection = ScsiPacket->DataDirection;\r | |
1266 | Packet->HostAdapterStatus = ScsiPacket->HostAdapterStatus;\r | |
1267 | Packet->TargetStatus = ScsiPacket->TargetStatus;\r | |
1268 | Packet->SenseData = ScsiPacket->SenseData;\r | |
1269 | Packet->SenseDataLength = ScsiPacket->SenseDataLength;\r | |
1270 | \r | |
1271 | if (ScsiPacket->DataDirection == EFI_SCSI_IO_DATA_DIRECTION_READ) {\r | |
1272 | Packet->InDataBuffer = ScsiPacket->DataBuffer;\r | |
1273 | Packet->InTransferLength = ScsiPacket->TransferLength;\r | |
1274 | } else if (Packet->DataDirection == EFI_SCSI_IO_DATA_DIRECTION_WRITE) {\r | |
1275 | Packet->OutDataBuffer = ScsiPacket->DataBuffer;\r | |
1276 | Packet->OutTransferLength = ScsiPacket->TransferLength;\r | |
1277 | }\r | |
c52fa98c | 1278 | \r |
70c94b3b | 1279 | return EFI_SUCCESS;\r |
1280 | }\r | |
1281 | \r | |
9beb888e | 1282 | /**\r |
1283 | Notify Function in which convert EFI1.0 PassThru Packet back to UEF2.0\r | |
1284 | SCSI IO Packet.\r | |
70c94b3b | 1285 | \r |
9beb888e | 1286 | @param Event The instance of EFI_EVENT.\r |
1287 | @param Context The parameter passed in.\r | |
70c94b3b | 1288 | \r |
9beb888e | 1289 | **/\r |
70c94b3b | 1290 | VOID\r |
1291 | EFIAPI\r | |
1292 | NotifyFunction (\r | |
9beb888e | 1293 | IN EFI_EVENT Event,\r |
1294 | IN VOID *Context\r | |
70c94b3b | 1295 | )\r |
70c94b3b | 1296 | {\r |
1297 | EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet;\r | |
1298 | EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *ScsiPacket;\r | |
1299 | EFI_EVENT CallerEvent;\r | |
c52fa98c | 1300 | SCSI_EVENT_DATA *PassData;\r |
70c94b3b | 1301 | \r |
1302 | PassData = (SCSI_EVENT_DATA*)Context;\r | |
1303 | Packet = (EFI_SCSI_IO_SCSI_REQUEST_PACKET *)PassData->Data1;\r | |
9beb888e | 1304 | ScsiPacket = (EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET*)mWorkingBuffer;\r |
70c94b3b | 1305 | \r |
1306 | //\r | |
1307 | // Convert EFI1.0 PassThru packet to UEFI2.0 SCSI IO Packet.\r | |
1308 | //\r | |
1309 | PassThruToScsiioPacket(ScsiPacket, Packet);\r | |
c52fa98c | 1310 | \r |
70c94b3b | 1311 | //\r |
1312 | // After converting EFI1.0 PassThru Packet back to UEFI2.0 SCSI IO Packet,\r | |
9beb888e | 1313 | // free mWorkingBuffer.\r |
70c94b3b | 1314 | //\r |
9beb888e | 1315 | gBS->FreePool(mWorkingBuffer);\r |
70c94b3b | 1316 | \r |
1317 | //\r | |
1318 | // Signal Event to tell caller to pick up UEFI2.0 SCSI IO Packet.\r | |
1319 | //\r | |
1320 | CallerEvent = PassData->Data2;\r | |
1321 | gBS->CloseEvent(Event);\r | |
1322 | gBS->SignalEvent(CallerEvent);\r | |
1323 | }\r | |
9beb888e | 1324 | \r |