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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 |
1ff7ed2c | 5 | Copyright (c) 2006 - 2019, Intel Corporation. All rights reserved.<BR>\r |
9d510e61 | 6 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
3a10d471 | 7 | \r |
3b2dbece | 8 | **/\r |
3a10d471 | 9 | \r |
ed7748fe | 10 | \r |
3a10d471 | 11 | #include "ScsiBus.h"\r |
12 | \r | |
9beb888e | 13 | \r |
3a10d471 | 14 | EFI_DRIVER_BINDING_PROTOCOL gSCSIBusDriverBinding = {\r |
15 | SCSIBusDriverBindingSupported,\r | |
16 | SCSIBusDriverBindingStart,\r | |
17 | SCSIBusDriverBindingStop,\r | |
18 | 0xa,\r | |
19 | NULL,\r | |
20 | NULL\r | |
21 | };\r | |
22 | \r | |
9beb888e | 23 | VOID *mWorkingBuffer;\r |
24 | \r | |
25 | /**\r | |
26 | Convert EFI_SCSI_IO_SCSI_REQUEST_PACKET packet to EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET packet.\r | |
70c94b3b | 27 | \r |
9beb888e | 28 | @param Packet The pointer of EFI_SCSI_IO_SCSI_REQUEST_PACKET\r |
29 | @param CommandPacket The pointer of EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET\r | |
30 | \r | |
31 | **/\r | |
70c94b3b | 32 | EFI_STATUS\r |
33 | EFIAPI\r | |
34 | ScsiioToPassThruPacket (\r | |
35 | IN EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet,\r | |
9beb888e | 36 | OUT EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *CommandPacket\r |
ed66e1bc | 37 | );\r |
70c94b3b | 38 | \r |
9beb888e | 39 | /**\r |
40 | Convert EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET packet to EFI_SCSI_IO_SCSI_REQUEST_PACKET packet.\r | |
41 | \r | |
42 | @param ScsiPacket The pointer of EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET\r | |
43 | @param Packet The pointer of EFI_SCSI_IO_SCSI_REQUEST_PACKET\r | |
70c94b3b | 44 | \r |
9beb888e | 45 | **/\r |
70c94b3b | 46 | EFI_STATUS\r |
47 | EFIAPI\r | |
48 | PassThruToScsiioPacket (\r | |
49 | IN EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *ScsiPacket,\r | |
9beb888e | 50 | OUT EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet\r |
ed66e1bc | 51 | );\r |
9beb888e | 52 | \r |
53 | /**\r | |
54 | Notify Function in which convert EFI1.0 PassThru Packet back to UEF2.0\r | |
55 | SCSI IO Packet.\r | |
56 | \r | |
57 | @param Event The instance of EFI_EVENT.\r | |
58 | @param Context The parameter passed in.\r | |
59 | \r | |
60 | **/\r | |
70c94b3b | 61 | VOID\r |
62 | EFIAPI\r | |
63 | NotifyFunction (\r | |
9beb888e | 64 | IN EFI_EVENT Event,\r |
65 | IN VOID *Context\r | |
ed66e1bc | 66 | );\r |
70c94b3b | 67 | \r |
957fe093 SZ |
68 | /**\r |
69 | Allocates an aligned buffer for SCSI device.\r | |
70 | \r | |
71 | This function allocates an aligned buffer for the SCSI device to perform\r | |
72 | SCSI pass through operations. The alignment requirement is from SCSI pass\r | |
73 | through interface.\r | |
74 | \r | |
75 | @param ScsiIoDevice The SCSI child device involved for the operation.\r | |
76 | @param BufferSize The request buffer size.\r | |
77 | \r | |
78 | @return A pointer to the aligned buffer or NULL if the allocation fails.\r | |
79 | \r | |
80 | **/\r | |
81 | VOID *\r | |
82 | AllocateAlignedBuffer (\r | |
83 | IN SCSI_IO_DEV *ScsiIoDevice,\r | |
84 | IN UINTN BufferSize\r | |
85 | )\r | |
86 | {\r | |
87 | return AllocateAlignedPages (EFI_SIZE_TO_PAGES (BufferSize), ScsiIoDevice->ScsiIo.IoAlign);\r | |
88 | }\r | |
89 | \r | |
90 | /**\r | |
91 | Frees an aligned buffer for SCSI device.\r | |
92 | \r | |
93 | This function frees an aligned buffer for the SCSI device to perform\r | |
94 | SCSI pass through operations.\r | |
95 | \r | |
96 | @param Buffer The aligned buffer to be freed.\r | |
97 | @param BufferSize The request buffer size.\r | |
98 | \r | |
99 | **/\r | |
100 | VOID\r | |
101 | FreeAlignedBuffer (\r | |
102 | IN VOID *Buffer,\r | |
103 | IN UINTN BufferSize\r | |
104 | )\r | |
105 | {\r | |
106 | if (Buffer != NULL) {\r | |
107 | FreeAlignedPages (Buffer, EFI_SIZE_TO_PAGES (BufferSize));\r | |
108 | }\r | |
109 | }\r | |
110 | \r | |
3a10d471 | 111 | /**\r |
112 | The user Entry Point for module ScsiBus. The user code starts with this function.\r | |
113 | \r | |
9beb888e | 114 | @param ImageHandle The firmware allocated handle for the EFI image.\r |
115 | @param SystemTable A pointer to the EFI System Table.\r | |
c52fa98c | 116 | \r |
9beb888e | 117 | @retval EFI_SUCCESS The entry point is executed successfully.\r |
118 | @retval other Some error occurs when executing this entry point.\r | |
3a10d471 | 119 | \r |
120 | **/\r | |
121 | EFI_STATUS\r | |
122 | EFIAPI\r | |
123 | InitializeScsiBus(\r | |
124 | IN EFI_HANDLE ImageHandle,\r | |
125 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
126 | )\r | |
127 | {\r | |
128 | EFI_STATUS Status;\r | |
129 | \r | |
130 | //\r | |
131 | // Install driver model protocol(s).\r | |
132 | //\r | |
70da5bc2 | 133 | Status = EfiLibInstallDriverBindingComponentName2 (\r |
3a10d471 | 134 | ImageHandle,\r |
135 | SystemTable,\r | |
136 | &gSCSIBusDriverBinding,\r | |
137 | ImageHandle,\r | |
138 | &gScsiBusComponentName,\r | |
70da5bc2 | 139 | &gScsiBusComponentName2\r |
3a10d471 | 140 | );\r |
141 | ASSERT_EFI_ERROR (Status);\r | |
142 | \r | |
3a10d471 | 143 | return Status;\r |
144 | }\r | |
145 | \r | |
9beb888e | 146 | \r |
147 | /**\r | |
148 | Test to see if this driver supports ControllerHandle.\r | |
149 | \r | |
150 | This service is called by the EFI boot service ConnectController(). In order\r | |
151 | to make drivers as small as possible, there are a few calling restrictions for\r | |
152 | this service. ConnectController() must follow these calling restrictions. If\r | |
153 | any other agent wishes to call Supported() it must also follow these calling\r | |
154 | restrictions.\r | |
155 | \r | |
156 | @param This Protocol instance pointer.\r | |
157 | @param ControllerHandle Handle of device to test\r | |
158 | @param RemainingDevicePath Optional parameter use to pick a specific child\r | |
159 | device to start.\r | |
160 | \r | |
161 | @retval EFI_SUCCESS This driver supports this device\r | |
162 | @retval EFI_ALREADY_STARTED This driver is already running on this device\r | |
163 | @retval other This driver does not support this device\r | |
164 | \r | |
165 | **/\r | |
3a10d471 | 166 | EFI_STATUS\r |
167 | EFIAPI\r | |
168 | SCSIBusDriverBindingSupported (\r | |
169 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
170 | IN EFI_HANDLE Controller,\r | |
171 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
172 | )\r | |
3a10d471 | 173 | {\r |
af4a6385 | 174 | EFI_STATUS Status;\r |
175 | EFI_SCSI_PASS_THRU_PROTOCOL *PassThru;\r | |
70c94b3b | 176 | EFI_EXT_SCSI_PASS_THRU_PROTOCOL *ExtPassThru;\r |
d548f0a1 | 177 | UINT64 Lun;\r |
178 | UINT8 *TargetId;\r | |
179 | SCSI_TARGET_ID ScsiTargetId;\r | |
af4a6385 | 180 | \r |
d548f0a1 | 181 | TargetId = &ScsiTargetId.ScsiId.ExtScsi[0];\r |
182 | SetMem (TargetId, TARGET_MAX_BYTES, 0xFF);\r | |
183 | \r | |
184 | //\r | |
d1102dba | 185 | // To keep backward compatibility, UEFI ExtPassThru Protocol is supported as well as\r |
d548f0a1 | 186 | // EFI PassThru Protocol. From priority perspective, ExtPassThru Protocol is firstly\r |
187 | // tried to open on host controller handle. If fails, then PassThru Protocol is tried instead.\r | |
188 | //\r | |
189 | Status = gBS->OpenProtocol (\r | |
190 | Controller,\r | |
191 | &gEfiExtScsiPassThruProtocolGuid,\r | |
192 | (VOID **)&ExtPassThru,\r | |
193 | This->DriverBindingHandle,\r | |
194 | Controller,\r | |
195 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
196 | );\r | |
197 | \r | |
198 | if (Status == EFI_ALREADY_STARTED) {\r | |
199 | return EFI_SUCCESS;\r | |
200 | } else if (!EFI_ERROR(Status)) {\r | |
af4a6385 | 201 | //\r |
d548f0a1 | 202 | // Check if RemainingDevicePath is NULL or the End of Device Path Node,\r |
203 | // if yes, return EFI_SUCCESS.\r | |
af4a6385 | 204 | //\r |
d548f0a1 | 205 | if ((RemainingDevicePath == NULL) || IsDevicePathEnd (RemainingDevicePath)) {\r |
67f7e376 | 206 | //\r |
207 | // Close protocol regardless of RemainingDevicePath validation\r | |
208 | //\r | |
209 | gBS->CloseProtocol (\r | |
210 | Controller,\r | |
211 | &gEfiExtScsiPassThruProtocolGuid,\r | |
212 | This->DriverBindingHandle,\r | |
213 | Controller\r | |
d1102dba | 214 | );\r |
d548f0a1 | 215 | return EFI_SUCCESS;\r |
216 | } else {\r | |
217 | //\r | |
218 | // If RemainingDevicePath isn't the End of Device Path Node, check its validation\r | |
219 | //\r | |
220 | Status = ExtPassThru->GetTargetLun (ExtPassThru, RemainingDevicePath, &TargetId, &Lun);\r | |
af4a6385 | 221 | //\r |
d548f0a1 | 222 | // Close protocol regardless of RemainingDevicePath validation\r |
af4a6385 | 223 | //\r |
d548f0a1 | 224 | gBS->CloseProtocol (\r |
225 | Controller,\r | |
226 | &gEfiExtScsiPassThruProtocolGuid,\r | |
227 | This->DriverBindingHandle,\r | |
228 | Controller\r | |
d1102dba | 229 | );\r |
d548f0a1 | 230 | if (!EFI_ERROR(Status)) {\r |
231 | return EFI_SUCCESS;\r | |
af4a6385 | 232 | }\r |
233 | }\r | |
234 | }\r | |
235 | \r | |
3a10d471 | 236 | //\r |
d1102dba | 237 | // Come here in 2 condition:\r |
d548f0a1 | 238 | // 1. ExtPassThru doesn't exist.\r |
239 | // 2. ExtPassThru exists but RemainingDevicePath is invalid.\r | |
3a10d471 | 240 | //\r |
241 | Status = gBS->OpenProtocol (\r | |
242 | Controller,\r | |
d548f0a1 | 243 | &gEfiScsiPassThruProtocolGuid,\r |
244 | (VOID **)&PassThru,\r | |
3a10d471 | 245 | This->DriverBindingHandle,\r |
246 | Controller,\r | |
70c94b3b | 247 | EFI_OPEN_PROTOCOL_BY_DRIVER\r |
3a10d471 | 248 | );\r |
d1102dba | 249 | \r |
70c94b3b | 250 | if (Status == EFI_ALREADY_STARTED) {\r |
251 | return EFI_SUCCESS;\r | |
252 | }\r | |
d1102dba | 253 | \r |
70c94b3b | 254 | if (EFI_ERROR (Status)) {\r |
d548f0a1 | 255 | return Status;\r |
3a10d471 | 256 | }\r |
d1102dba | 257 | \r |
af4a6385 | 258 | //\r |
d548f0a1 | 259 | // Test RemainingDevicePath is valid or not.\r |
af4a6385 | 260 | //\r |
d548f0a1 | 261 | if ((RemainingDevicePath != NULL) && !IsDevicePathEnd (RemainingDevicePath)) {\r |
262 | Status = PassThru->GetTargetLun (PassThru, RemainingDevicePath, &ScsiTargetId.ScsiId.Scsi, &Lun);\r | |
263 | }\r | |
d1102dba | 264 | \r |
70c94b3b | 265 | gBS->CloseProtocol (\r |
d548f0a1 | 266 | Controller,\r |
267 | &gEfiScsiPassThruProtocolGuid,\r | |
268 | This->DriverBindingHandle,\r | |
269 | Controller\r | |
270 | );\r | |
271 | return Status;\r | |
3a10d471 | 272 | }\r |
273 | \r | |
9beb888e | 274 | \r |
275 | /**\r | |
276 | Start this driver on ControllerHandle.\r | |
277 | \r | |
278 | This service is called by the EFI boot service ConnectController(). In order\r | |
279 | to make drivers as small as possible, there are a few calling restrictions for\r | |
280 | this service. ConnectController() must follow these calling restrictions. If\r | |
281 | any other agent wishes to call Start() it must also follow these calling\r | |
282 | restrictions.\r | |
283 | \r | |
284 | @param This Protocol instance pointer.\r | |
285 | @param ControllerHandle Handle of device to bind driver to\r | |
286 | @param RemainingDevicePath Optional parameter use to pick a specific child\r | |
287 | device to start.\r | |
288 | \r | |
289 | @retval EFI_SUCCESS This driver is added to ControllerHandle\r | |
290 | @retval EFI_ALREADY_STARTED This driver is already running on ControllerHandle\r | |
291 | @retval other This driver does not support this device\r | |
292 | \r | |
293 | **/\r | |
3a10d471 | 294 | EFI_STATUS\r |
295 | EFIAPI\r | |
296 | SCSIBusDriverBindingStart (\r | |
297 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
298 | IN EFI_HANDLE Controller,\r | |
299 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
300 | )\r | |
3a10d471 | 301 | {\r |
f36d6e66 | 302 | UINT64 Lun;\r |
303 | UINT8 *TargetId;\r | |
304 | BOOLEAN ScanOtherPuns;\r | |
305 | BOOLEAN FromFirstTarget;\r | |
306 | BOOLEAN ExtScsiSupport;\r | |
307 | EFI_STATUS Status;\r | |
308 | EFI_STATUS DevicePathStatus;\r | |
309 | EFI_STATUS PassThruStatus;\r | |
310 | SCSI_BUS_DEVICE *ScsiBusDev;\r | |
d548f0a1 | 311 | SCSI_TARGET_ID ScsiTargetId;\r |
f36d6e66 | 312 | EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath;\r |
313 | EFI_SCSI_PASS_THRU_PROTOCOL *ScsiInterface;\r | |
314 | EFI_EXT_SCSI_PASS_THRU_PROTOCOL *ExtScsiInterface;\r | |
315 | EFI_SCSI_BUS_PROTOCOL *BusIdentify;\r | |
316 | \r | |
317 | TargetId = NULL;\r | |
f36d6e66 | 318 | ScanOtherPuns = TRUE;\r |
70c94b3b | 319 | FromFirstTarget = FALSE;\r |
f36d6e66 | 320 | ExtScsiSupport = FALSE;\r |
321 | PassThruStatus = EFI_SUCCESS;\r | |
d1102dba | 322 | \r |
d548f0a1 | 323 | TargetId = &ScsiTargetId.ScsiId.ExtScsi[0];\r |
324 | SetMem (TargetId, TARGET_MAX_BYTES, 0xFF);\r | |
d1102dba | 325 | \r |
f36d6e66 | 326 | DevicePathStatus = gBS->OpenProtocol (\r |
327 | Controller,\r | |
328 | &gEfiDevicePathProtocolGuid,\r | |
329 | (VOID **) &ParentDevicePath,\r | |
330 | This->DriverBindingHandle,\r | |
331 | Controller,\r | |
332 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
333 | );\r | |
334 | if (EFI_ERROR (DevicePathStatus) && (DevicePathStatus != EFI_ALREADY_STARTED)) {\r | |
335 | return DevicePathStatus;\r | |
3a10d471 | 336 | }\r |
337 | \r | |
37623a5c | 338 | //\r |
339 | // Report Status Code to indicate SCSI bus starts\r | |
340 | //\r | |
341 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
342 | EFI_PROGRESS_CODE,\r | |
343 | (EFI_IO_BUS_SCSI | EFI_IOB_PC_INIT),\r | |
344 | ParentDevicePath\r | |
d1102dba | 345 | );\r |
37623a5c | 346 | \r |
3a10d471 | 347 | //\r |
d1102dba | 348 | // To keep backward compatibility, UEFI ExtPassThru Protocol is supported as well as\r |
f36d6e66 | 349 | // EFI PassThru Protocol. From priority perspective, ExtPassThru Protocol is firstly\r |
350 | // tried to open on host controller handle. If fails, then PassThru Protocol is tried instead.\r | |
3a10d471 | 351 | //\r |
352 | Status = gBS->OpenProtocol (\r | |
353 | Controller,\r | |
70c94b3b | 354 | &gEfiExtScsiPassThruProtocolGuid,\r |
f36d6e66 | 355 | (VOID **) &ExtScsiInterface,\r |
3a10d471 | 356 | This->DriverBindingHandle,\r |
357 | Controller,\r | |
358 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
359 | );\r | |
f36d6e66 | 360 | //\r |
361 | // Fail to open UEFI ExtendPassThru Protocol, then try to open EFI PassThru Protocol instead.\r | |
362 | //\r | |
363 | if (EFI_ERROR(Status) && (Status != EFI_ALREADY_STARTED)) {\r | |
70c94b3b | 364 | Status = gBS->OpenProtocol (\r |
365 | Controller,\r | |
366 | &gEfiScsiPassThruProtocolGuid,\r | |
f36d6e66 | 367 | (VOID **) &ScsiInterface,\r |
70c94b3b | 368 | This->DriverBindingHandle,\r |
369 | Controller,\r | |
370 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
371 | );\r | |
f36d6e66 | 372 | //\r |
373 | // Fail to open EFI PassThru Protocol, Close the DevicePathProtocol if it is opened by this time.\r | |
374 | //\r | |
375 | if (EFI_ERROR (Status) && (Status != EFI_ALREADY_STARTED)) {\r | |
376 | if (!EFI_ERROR(DevicePathStatus)) {\r | |
377 | gBS->CloseProtocol (\r | |
378 | Controller,\r | |
379 | &gEfiDevicePathProtocolGuid,\r | |
380 | This->DriverBindingHandle,\r | |
381 | Controller\r | |
382 | );\r | |
d1102dba | 383 | }\r |
70c94b3b | 384 | return Status;\r |
d1102dba | 385 | }\r |
70c94b3b | 386 | } else {\r |
f36d6e66 | 387 | //\r |
d1102dba LG |
388 | // Succeed to open ExtPassThru Protocol, and meanwhile open PassThru Protocol\r |
389 | // with BY_DRIVER if it is also present on the handle. The intent is to prevent\r | |
f36d6e66 | 390 | // another SCSI Bus Driver to work on the same host handle.\r |
391 | //\r | |
392 | ExtScsiSupport = TRUE;\r | |
393 | PassThruStatus = gBS->OpenProtocol (\r | |
394 | Controller,\r | |
395 | &gEfiScsiPassThruProtocolGuid,\r | |
396 | (VOID **) &ScsiInterface,\r | |
397 | This->DriverBindingHandle,\r | |
398 | Controller,\r | |
399 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
400 | );\r | |
70c94b3b | 401 | }\r |
d1102dba | 402 | \r |
f36d6e66 | 403 | if (Status != EFI_ALREADY_STARTED) {\r |
404 | //\r | |
405 | // Go through here means either ExtPassThru or PassThru Protocol is successfully opened\r | |
406 | // on this handle for this time. Then construct Host controller private data.\r | |
407 | //\r | |
408 | ScsiBusDev = NULL;\r | |
409 | ScsiBusDev = AllocateZeroPool(sizeof(SCSI_BUS_DEVICE));\r | |
410 | if (ScsiBusDev == NULL) {\r | |
411 | Status = EFI_OUT_OF_RESOURCES;\r | |
412 | goto ErrorExit;\r | |
413 | }\r | |
414 | ScsiBusDev->Signature = SCSI_BUS_DEVICE_SIGNATURE;\r | |
415 | ScsiBusDev->ExtScsiSupport = ExtScsiSupport;\r | |
416 | ScsiBusDev->DevicePath = ParentDevicePath;\r | |
70c94b3b | 417 | if (ScsiBusDev->ExtScsiSupport) {\r |
f36d6e66 | 418 | ScsiBusDev->ExtScsiInterface = ExtScsiInterface;\r |
70c94b3b | 419 | } else {\r |
d1102dba | 420 | ScsiBusDev->ScsiInterface = ScsiInterface;\r |
70c94b3b | 421 | }\r |
f36d6e66 | 422 | \r |
423 | //\r | |
424 | // Install EFI_SCSI_BUS_PROTOCOL to the controller handle, So ScsiBusDev could be\r | |
425 | // retrieved on this controller handle. With ScsiBusDev, we can know which PassThru\r | |
426 | // Protocol is present on the handle, UEFI ExtPassThru Protocol or EFI PassThru Protocol.\r | |
d1102dba | 427 | //\r |
f36d6e66 | 428 | Status = gBS->InstallProtocolInterface (\r |
429 | &Controller,\r | |
c8ad2d7a | 430 | &gEfiCallerIdGuid,\r |
f36d6e66 | 431 | EFI_NATIVE_INTERFACE,\r |
432 | &ScsiBusDev->BusIdentify\r | |
433 | );\r | |
434 | if (EFI_ERROR (Status)) {\r | |
435 | goto ErrorExit;\r | |
436 | }\r | |
437 | } else {\r | |
438 | //\r | |
439 | // Go through here means Start() is re-invoked again, nothing special is required to do except\r | |
440 | // picking up Host controller private information.\r | |
441 | //\r | |
442 | Status = gBS->OpenProtocol (\r | |
443 | Controller,\r | |
c8ad2d7a | 444 | &gEfiCallerIdGuid,\r |
f36d6e66 | 445 | (VOID **) &BusIdentify,\r |
446 | This->DriverBindingHandle,\r | |
447 | Controller,\r | |
448 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
449 | );\r | |
450 | \r | |
451 | if (EFI_ERROR (Status)) {\r | |
452 | return Status;\r | |
453 | }\r | |
454 | ScsiBusDev = SCSI_BUS_CONTROLLER_DEVICE_FROM_THIS (BusIdentify);\r | |
3a10d471 | 455 | }\r |
456 | \r | |
37623a5c | 457 | //\r |
458 | // Report Status Code to indicate detecting devices on bus\r | |
459 | //\r | |
460 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
461 | EFI_PROGRESS_CODE,\r | |
462 | (EFI_IO_BUS_SCSI | EFI_IOB_PC_DETECT),\r | |
463 | ParentDevicePath\r | |
464 | );\r | |
465 | \r | |
af4a6385 | 466 | Lun = 0;\r |
3a10d471 | 467 | if (RemainingDevicePath == NULL) {\r |
af4a6385 | 468 | //\r |
d1102dba | 469 | // If RemainingDevicePath is NULL,\r |
af4a6385 | 470 | // must enumerate all SCSI devices anyway\r |
471 | //\r | |
70c94b3b | 472 | FromFirstTarget = TRUE;\r |
af4a6385 | 473 | } else if (!IsDevicePathEnd (RemainingDevicePath)) {\r |
474 | //\r | |
d1102dba | 475 | // If RemainingDevicePath isn't the End of Device Path Node,\r |
af4a6385 | 476 | // only scan the specified device by RemainingDevicePath\r |
477 | //\r | |
70c94b3b | 478 | if (ScsiBusDev->ExtScsiSupport) {\r |
d1102dba | 479 | Status = ScsiBusDev->ExtScsiInterface->GetTargetLun (ScsiBusDev->ExtScsiInterface, RemainingDevicePath, &TargetId, &Lun);\r |
70c94b3b | 480 | } else {\r |
d10a41e6 | 481 | Status = ScsiBusDev->ScsiInterface->GetTargetLun (ScsiBusDev->ScsiInterface, RemainingDevicePath, &ScsiTargetId.ScsiId.Scsi, &Lun);\r |
70c94b3b | 482 | }\r |
af4a6385 | 483 | \r |
d10a41e6 | 484 | if (EFI_ERROR (Status)) {\r |
485 | return Status;\r | |
486 | }\r | |
af4a6385 | 487 | } else {\r |
488 | //\r | |
489 | // If RemainingDevicePath is the End of Device Path Node,\r | |
cc530cd1 | 490 | // skip enumerate any device and return EFI_SUCCESS\r |
d1102dba | 491 | //\r |
af4a6385 | 492 | ScanOtherPuns = FALSE;\r |
3a10d471 | 493 | }\r |
494 | \r | |
70c94b3b | 495 | while(ScanOtherPuns) {\r |
496 | if (FromFirstTarget) {\r | |
3a10d471 | 497 | //\r |
498 | // Remaining Device Path is NULL, scan all the possible Puns in the\r | |
499 | // SCSI Channel.\r | |
500 | //\r | |
70c94b3b | 501 | if (ScsiBusDev->ExtScsiSupport) {\r |
502 | Status = ScsiBusDev->ExtScsiInterface->GetNextTargetLun (ScsiBusDev->ExtScsiInterface, &TargetId, &Lun);\r | |
503 | } else {\r | |
d548f0a1 | 504 | Status = ScsiBusDev->ScsiInterface->GetNextDevice (ScsiBusDev->ScsiInterface, &ScsiTargetId.ScsiId.Scsi, &Lun);\r |
70c94b3b | 505 | }\r |
3a10d471 | 506 | if (EFI_ERROR (Status)) {\r |
507 | //\r | |
508 | // no legal Pun and Lun found any more\r | |
509 | //\r | |
510 | break;\r | |
511 | }\r | |
512 | } else {\r | |
3a10d471 | 513 | ScanOtherPuns = FALSE;\r |
514 | }\r | |
3a10d471 | 515 | //\r |
516 | // Avoid creating handle for the host adapter.\r | |
517 | //\r | |
70c94b3b | 518 | if (ScsiBusDev->ExtScsiSupport) {\r |
d548f0a1 | 519 | if ((ScsiTargetId.ScsiId.Scsi) == ScsiBusDev->ExtScsiInterface->Mode->AdapterId) {\r |
70c94b3b | 520 | continue;\r |
521 | }\r | |
522 | } else {\r | |
d548f0a1 | 523 | if ((ScsiTargetId.ScsiId.Scsi) == ScsiBusDev->ScsiInterface->Mode->AdapterId) {\r |
70c94b3b | 524 | continue;\r |
525 | }\r | |
3a10d471 | 526 | }\r |
3a10d471 | 527 | //\r |
528 | // Scan for the scsi device, if it attaches to the scsi bus,\r | |
529 | // then create handle and install scsi i/o protocol.\r | |
530 | //\r | |
d548f0a1 | 531 | Status = ScsiScanCreateDevice (This, Controller, &ScsiTargetId, Lun, ScsiBusDev);\r |
3a10d471 | 532 | }\r |
f36d6e66 | 533 | return EFI_SUCCESS;\r |
9b38ff34 | 534 | \r |
f36d6e66 | 535 | ErrorExit:\r |
d1102dba | 536 | \r |
f36d6e66 | 537 | if (ScsiBusDev != NULL) {\r |
9b38ff34 | 538 | FreePool (ScsiBusDev);\r |
f36d6e66 | 539 | }\r |
d1102dba | 540 | \r |
f36d6e66 | 541 | if (ExtScsiSupport) {\r |
542 | gBS->CloseProtocol (\r | |
543 | Controller,\r | |
544 | &gEfiExtScsiPassThruProtocolGuid,\r | |
545 | This->DriverBindingHandle,\r | |
546 | Controller\r | |
547 | );\r | |
548 | if (!EFI_ERROR (PassThruStatus)) {\r | |
549 | gBS->CloseProtocol (\r | |
550 | Controller,\r | |
551 | &gEfiScsiPassThruProtocolGuid,\r | |
552 | This->DriverBindingHandle,\r | |
553 | Controller\r | |
554 | );\r | |
555 | }\r | |
556 | } else {\r | |
557 | gBS->CloseProtocol (\r | |
558 | Controller,\r | |
559 | &gEfiScsiPassThruProtocolGuid,\r | |
560 | This->DriverBindingHandle,\r | |
561 | Controller\r | |
562 | );\r | |
563 | }\r | |
3a10d471 | 564 | return Status;\r |
565 | }\r | |
566 | \r | |
9beb888e | 567 | /**\r |
568 | Stop this driver on ControllerHandle.\r | |
569 | \r | |
570 | This service is called by the EFI boot service DisconnectController().\r | |
571 | In order to make drivers as small as possible, there are a few calling\r | |
572 | restrictions for this service. DisconnectController() must follow these\r | |
573 | calling restrictions. If any other agent wishes to call Stop() it must also\r | |
574 | follow these calling restrictions.\r | |
d1102dba | 575 | \r |
9beb888e | 576 | @param This Protocol instance pointer.\r |
577 | @param ControllerHandle Handle of device to stop driver on\r | |
578 | @param NumberOfChildren Number of Handles in ChildHandleBuffer. If number of\r | |
579 | children is zero stop the entire bus driver.\r | |
580 | @param ChildHandleBuffer List of Child Handles to Stop.\r | |
581 | \r | |
582 | @retval EFI_SUCCESS This driver is removed ControllerHandle\r | |
583 | @retval other This driver was not removed from this device\r | |
584 | \r | |
585 | **/\r | |
3a10d471 | 586 | EFI_STATUS\r |
587 | EFIAPI\r | |
588 | SCSIBusDriverBindingStop (\r | |
589 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
590 | IN EFI_HANDLE Controller,\r | |
591 | IN UINTN NumberOfChildren,\r | |
592 | IN EFI_HANDLE *ChildHandleBuffer\r | |
593 | )\r | |
3a10d471 | 594 | {\r |
595 | EFI_STATUS Status;\r | |
596 | BOOLEAN AllChildrenStopped;\r | |
597 | UINTN Index;\r | |
598 | EFI_SCSI_IO_PROTOCOL *ScsiIo;\r | |
599 | SCSI_IO_DEV *ScsiIoDevice;\r | |
70c94b3b | 600 | VOID *ScsiPassThru;\r |
601 | EFI_SCSI_BUS_PROTOCOL *Scsidentifier;\r | |
602 | SCSI_BUS_DEVICE *ScsiBusDev;\r | |
3a10d471 | 603 | \r |
604 | if (NumberOfChildren == 0) {\r | |
70c94b3b | 605 | //\r |
606 | // Get the SCSI_BUS_DEVICE\r | |
607 | //\r | |
608 | Status = gBS->OpenProtocol (\r | |
609 | Controller,\r | |
c8ad2d7a | 610 | &gEfiCallerIdGuid,\r |
70c94b3b | 611 | (VOID **) &Scsidentifier,\r |
612 | This->DriverBindingHandle,\r | |
613 | Controller,\r | |
614 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
615 | );\r | |
c52fa98c | 616 | \r |
70c94b3b | 617 | if (EFI_ERROR (Status)) {\r |
618 | return EFI_DEVICE_ERROR;\r | |
619 | }\r | |
620 | \r | |
621 | ScsiBusDev = SCSI_BUS_CONTROLLER_DEVICE_FROM_THIS (Scsidentifier);\r | |
622 | \r | |
623 | //\r | |
624 | // Uninstall SCSI Bus Protocol\r | |
625 | //\r | |
626 | gBS->UninstallProtocolInterface (\r | |
627 | Controller,\r | |
c8ad2d7a | 628 | &gEfiCallerIdGuid,\r |
70c94b3b | 629 | &ScsiBusDev->BusIdentify\r |
630 | );\r | |
c52fa98c | 631 | \r |
3a10d471 | 632 | //\r |
633 | // Close the bus driver\r | |
634 | //\r | |
70c94b3b | 635 | if (ScsiBusDev->ExtScsiSupport) {\r |
1e5914b5 | 636 | //\r |
637 | // Close ExtPassThru Protocol from this controller handle\r | |
638 | //\r | |
70c94b3b | 639 | gBS->CloseProtocol (\r |
640 | Controller,\r | |
641 | &gEfiExtScsiPassThruProtocolGuid,\r | |
642 | This->DriverBindingHandle,\r | |
643 | Controller\r | |
644 | );\r | |
1e5914b5 | 645 | //\r |
646 | // When Start() succeeds to open ExtPassThru, it always tries to open PassThru BY_DRIVER.\r | |
cc530cd1 | 647 | // Its intent is to prevent another SCSI Bus Driver from working on the same host handle.\r |
1e5914b5 | 648 | // So Stop() needs to try to close PassThru if present here.\r |
649 | //\r | |
650 | gBS->CloseProtocol (\r | |
651 | Controller,\r | |
652 | &gEfiScsiPassThruProtocolGuid,\r | |
653 | This->DriverBindingHandle,\r | |
654 | Controller\r | |
655 | );\r | |
70c94b3b | 656 | } else {\r |
657 | gBS->CloseProtocol (\r | |
658 | Controller,\r | |
659 | &gEfiScsiPassThruProtocolGuid,\r | |
660 | This->DriverBindingHandle,\r | |
661 | Controller\r | |
662 | );\r | |
663 | }\r | |
3a10d471 | 664 | \r |
70c94b3b | 665 | gBS->CloseProtocol (\r |
666 | Controller,\r | |
667 | &gEfiDevicePathProtocolGuid,\r | |
668 | This->DriverBindingHandle,\r | |
669 | Controller\r | |
670 | );\r | |
6c94a00d | 671 | FreePool (ScsiBusDev);\r |
3a10d471 | 672 | return EFI_SUCCESS;\r |
673 | }\r | |
674 | \r | |
675 | AllChildrenStopped = TRUE;\r | |
676 | \r | |
677 | for (Index = 0; Index < NumberOfChildren; Index++) {\r | |
678 | \r | |
679 | Status = gBS->OpenProtocol (\r | |
680 | ChildHandleBuffer[Index],\r | |
681 | &gEfiScsiIoProtocolGuid,\r | |
682 | (VOID **) &ScsiIo,\r | |
683 | This->DriverBindingHandle,\r | |
684 | Controller,\r | |
685 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
686 | );\r | |
687 | if (EFI_ERROR (Status)) {\r | |
688 | AllChildrenStopped = FALSE;\r | |
689 | continue;\r | |
690 | }\r | |
691 | \r | |
692 | ScsiIoDevice = SCSI_IO_DEV_FROM_THIS (ScsiIo);\r | |
693 | //\r | |
694 | // Close the child handle\r | |
695 | //\r | |
70c94b3b | 696 | if (ScsiIoDevice->ExtScsiSupport) {\r |
697 | Status = gBS->CloseProtocol (\r | |
698 | Controller,\r | |
699 | &gEfiExtScsiPassThruProtocolGuid,\r | |
700 | This->DriverBindingHandle,\r | |
701 | ChildHandleBuffer[Index]\r | |
702 | );\r | |
703 | \r | |
704 | } else {\r | |
705 | Status = gBS->CloseProtocol (\r | |
706 | Controller,\r | |
707 | &gEfiScsiPassThruProtocolGuid,\r | |
708 | This->DriverBindingHandle,\r | |
709 | ChildHandleBuffer[Index]\r | |
710 | );\r | |
711 | }\r | |
3a10d471 | 712 | \r |
713 | Status = gBS->UninstallMultipleProtocolInterfaces (\r | |
714 | ChildHandleBuffer[Index],\r | |
715 | &gEfiDevicePathProtocolGuid,\r | |
716 | ScsiIoDevice->DevicePath,\r | |
717 | &gEfiScsiIoProtocolGuid,\r | |
718 | &ScsiIoDevice->ScsiIo,\r | |
719 | NULL\r | |
720 | );\r | |
721 | if (EFI_ERROR (Status)) {\r | |
722 | AllChildrenStopped = FALSE;\r | |
70c94b3b | 723 | if (ScsiIoDevice->ExtScsiSupport) {\r |
724 | gBS->OpenProtocol (\r | |
725 | Controller,\r | |
726 | &gEfiExtScsiPassThruProtocolGuid,\r | |
84b5c78e | 727 | &ScsiPassThru,\r |
70c94b3b | 728 | This->DriverBindingHandle,\r |
729 | ChildHandleBuffer[Index],\r | |
730 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r | |
731 | );\r | |
732 | } else {\r | |
733 | gBS->OpenProtocol (\r | |
734 | Controller,\r | |
735 | &gEfiScsiPassThruProtocolGuid,\r | |
84b5c78e | 736 | &ScsiPassThru,\r |
70c94b3b | 737 | This->DriverBindingHandle,\r |
738 | ChildHandleBuffer[Index],\r | |
739 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r | |
740 | );\r | |
741 | }\r | |
3a10d471 | 742 | } else {\r |
6c94a00d | 743 | FreePool (ScsiIoDevice);\r |
3a10d471 | 744 | }\r |
745 | }\r | |
746 | \r | |
747 | if (!AllChildrenStopped) {\r | |
748 | return EFI_DEVICE_ERROR;\r | |
749 | }\r | |
750 | \r | |
751 | return EFI_SUCCESS;\r | |
752 | }\r | |
753 | \r | |
9beb888e | 754 | \r |
755 | /**\r | |
756 | Retrieves the device type information of the SCSI Controller.\r | |
757 | \r | |
758 | @param This Protocol instance pointer.\r | |
759 | @param DeviceType A pointer to the device type information retrieved from\r | |
d1102dba | 760 | the SCSI Controller.\r |
9beb888e | 761 | \r |
762 | @retval EFI_SUCCESS Retrieves the device type information successfully.\r | |
763 | @retval EFI_INVALID_PARAMETER The DeviceType is NULL.\r | |
d1102dba | 764 | \r |
9beb888e | 765 | **/\r |
3a10d471 | 766 | EFI_STATUS\r |
767 | EFIAPI\r | |
768 | ScsiGetDeviceType (\r | |
769 | IN EFI_SCSI_IO_PROTOCOL *This,\r | |
770 | OUT UINT8 *DeviceType\r | |
771 | )\r | |
3a10d471 | 772 | {\r |
773 | SCSI_IO_DEV *ScsiIoDevice;\r | |
774 | \r | |
775 | if (DeviceType == NULL) {\r | |
776 | return EFI_INVALID_PARAMETER;\r | |
777 | }\r | |
778 | \r | |
779 | ScsiIoDevice = SCSI_IO_DEV_FROM_THIS (This);\r | |
780 | *DeviceType = ScsiIoDevice->ScsiDeviceType;\r | |
781 | return EFI_SUCCESS;\r | |
782 | }\r | |
783 | \r | |
9beb888e | 784 | \r |
785 | /**\r | |
786 | Retrieves the device location in the SCSI channel.\r | |
787 | \r | |
788 | @param This Protocol instance pointer.\r | |
789 | @param Target A pointer to the Target ID of a SCSI device\r | |
790 | on the SCSI channel.\r | |
791 | @param Lun A pointer to the LUN of the SCSI device on\r | |
792 | the SCSI channel.\r | |
793 | \r | |
794 | @retval EFI_SUCCESS Retrieves the device location successfully.\r | |
795 | @retval EFI_INVALID_PARAMETER The Target or Lun is NULL.\r | |
796 | \r | |
797 | **/\r | |
3a10d471 | 798 | EFI_STATUS\r |
799 | EFIAPI\r | |
800 | ScsiGetDeviceLocation (\r | |
801 | IN EFI_SCSI_IO_PROTOCOL *This,\r | |
70c94b3b | 802 | IN OUT UINT8 **Target,\r |
3a10d471 | 803 | OUT UINT64 *Lun\r |
804 | )\r | |
3a10d471 | 805 | {\r |
806 | SCSI_IO_DEV *ScsiIoDevice;\r | |
807 | \r | |
808 | if (Target == NULL || Lun == NULL) {\r | |
809 | return EFI_INVALID_PARAMETER;\r | |
810 | }\r | |
811 | \r | |
f36d6e66 | 812 | ScsiIoDevice = SCSI_IO_DEV_FROM_THIS (This);\r |
3a10d471 | 813 | \r |
70c94b3b | 814 | CopyMem (*Target,&ScsiIoDevice->Pun, TARGET_MAX_BYTES);\r |
815 | \r | |
f36d6e66 | 816 | *Lun = ScsiIoDevice->Lun;\r |
3a10d471 | 817 | \r |
818 | return EFI_SUCCESS;\r | |
819 | }\r | |
820 | \r | |
9beb888e | 821 | /**\r |
822 | Resets the SCSI Bus that the SCSI Controller is attached to.\r | |
823 | \r | |
824 | @param This Protocol instance pointer.\r | |
825 | \r | |
826 | @retval EFI_SUCCESS The SCSI bus is reset successfully.\r | |
827 | @retval EFI_DEVICE_ERROR Errors encountered when resetting the SCSI bus.\r | |
828 | @retval EFI_UNSUPPORTED The bus reset operation is not supported by the\r | |
829 | SCSI Host Controller.\r | |
d1102dba | 830 | @retval EFI_TIMEOUT A timeout occurred while attempting to reset\r |
9beb888e | 831 | the SCSI bus.\r |
832 | **/\r | |
3a10d471 | 833 | EFI_STATUS\r |
834 | EFIAPI\r | |
835 | ScsiResetBus (\r | |
836 | IN EFI_SCSI_IO_PROTOCOL *This\r | |
837 | )\r | |
3a10d471 | 838 | {\r |
839 | SCSI_IO_DEV *ScsiIoDevice;\r | |
840 | \r | |
841 | ScsiIoDevice = SCSI_IO_DEV_FROM_THIS (This);\r | |
842 | \r | |
37623a5c | 843 | //\r |
844 | // Report Status Code to indicate reset happens\r | |
845 | //\r | |
846 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
847 | EFI_PROGRESS_CODE,\r | |
848 | (EFI_IO_BUS_ATA_ATAPI | EFI_IOB_PC_RESET),\r | |
849 | ScsiIoDevice->ScsiBusDeviceData->DevicePath\r | |
850 | );\r | |
851 | \r | |
70c94b3b | 852 | if (ScsiIoDevice->ExtScsiSupport){\r |
853 | return ScsiIoDevice->ExtScsiPassThru->ResetChannel (ScsiIoDevice->ExtScsiPassThru);\r | |
854 | } else {\r | |
855 | return ScsiIoDevice->ScsiPassThru->ResetChannel (ScsiIoDevice->ScsiPassThru);\r | |
856 | }\r | |
3a10d471 | 857 | }\r |
858 | \r | |
9beb888e | 859 | \r |
860 | /**\r | |
861 | Resets the SCSI Controller that the device handle specifies.\r | |
862 | \r | |
863 | @param This Protocol instance pointer.\r | |
864 | \r | |
865 | @retval EFI_SUCCESS Reset the SCSI controller successfully.\r | |
866 | @retval EFI_DEVICE_ERROR Errors are encountered when resetting the SCSI Controller.\r | |
867 | @retval EFI_UNSUPPORTED The SCSI bus does not support a device reset operation.\r | |
868 | @retval EFI_TIMEOUT A timeout occurred while attempting to reset the\r | |
869 | SCSI Controller.\r | |
870 | **/\r | |
3a10d471 | 871 | EFI_STATUS\r |
872 | EFIAPI\r | |
873 | ScsiResetDevice (\r | |
874 | IN EFI_SCSI_IO_PROTOCOL *This\r | |
875 | )\r | |
3a10d471 | 876 | {\r |
f36d6e66 | 877 | SCSI_IO_DEV *ScsiIoDevice;\r |
70c94b3b | 878 | UINT8 Target[TARGET_MAX_BYTES];\r |
3a10d471 | 879 | \r |
880 | ScsiIoDevice = SCSI_IO_DEV_FROM_THIS (This);\r | |
37623a5c | 881 | \r |
882 | //\r | |
883 | // Report Status Code to indicate reset happens\r | |
884 | //\r | |
885 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
886 | EFI_PROGRESS_CODE,\r | |
887 | (EFI_IO_BUS_ATA_ATAPI | EFI_IOB_PC_RESET),\r | |
888 | ScsiIoDevice->ScsiBusDeviceData->DevicePath\r | |
889 | );\r | |
d1102dba | 890 | \r |
70c94b3b | 891 | CopyMem (Target,&ScsiIoDevice->Pun, TARGET_MAX_BYTES);\r |
892 | \r | |
3a10d471 | 893 | \r |
70c94b3b | 894 | if (ScsiIoDevice->ExtScsiSupport) {\r |
895 | return ScsiIoDevice->ExtScsiPassThru->ResetTargetLun (\r | |
896 | ScsiIoDevice->ExtScsiPassThru,\r | |
897 | Target,\r | |
898 | ScsiIoDevice->Lun\r | |
899 | );\r | |
900 | } else {\r | |
901 | return ScsiIoDevice->ScsiPassThru->ResetTarget (\r | |
902 | ScsiIoDevice->ScsiPassThru,\r | |
903 | ScsiIoDevice->Pun.ScsiId.Scsi,\r | |
904 | ScsiIoDevice->Lun\r | |
905 | );\r | |
906 | }\r | |
3a10d471 | 907 | }\r |
908 | \r | |
f36d6e66 | 909 | \r |
9beb888e | 910 | /**\r |
f36d6e66 | 911 | Sends a SCSI Request Packet to the SCSI Controller for execution.\r |
f36d6e66 | 912 | \r |
9beb888e | 913 | @param This Protocol instance pointer.\r |
d1102dba | 914 | @param CommandPacket The SCSI request packet to send to the SCSI\r |
f36d6e66 | 915 | Controller specified by the device handle.\r |
9beb888e | 916 | @param Event If the SCSI bus where the SCSI device is attached\r |
d1102dba LG |
917 | does not support non-blocking I/O, then Event is\r |
918 | ignored, and blocking I/O is performed.\r | |
f36d6e66 | 919 | If Event is NULL, then blocking I/O is performed.\r |
d1102dba | 920 | If Event is not NULL and non-blocking I/O is\r |
f36d6e66 | 921 | supported, then non-blocking I/O is performed,\r |
922 | and Event will be signaled when the SCSI Request\r | |
923 | Packet completes.\r | |
9beb888e | 924 | \r |
d1102dba LG |
925 | @retval EFI_SUCCESS The SCSI Request Packet was sent by the host\r |
926 | successfully, and TransferLength bytes were\r | |
927 | transferred to/from DataBuffer.See\r | |
928 | HostAdapterStatus, TargetStatus,\r | |
9beb888e | 929 | SenseDataLength, and SenseData in that order\r |
930 | for additional status information.\r | |
d1102dba | 931 | @retval EFI_BAD_BUFFER_SIZE The SCSI Request Packet was executed,\r |
9beb888e | 932 | but the entire DataBuffer could not be transferred.\r |
933 | The actual number of bytes transferred is returned\r | |
d1102dba LG |
934 | in TransferLength. See HostAdapterStatus,\r |
935 | TargetStatus, SenseDataLength, and SenseData in\r | |
9beb888e | 936 | that order for additional status information.\r |
d1102dba LG |
937 | @retval EFI_NOT_READY The SCSI Request Packet could not be sent because\r |
938 | there are too many SCSI Command Packets already\r | |
9beb888e | 939 | queued.The caller may retry again later.\r |
d1102dba LG |
940 | @retval EFI_DEVICE_ERROR A device error occurred while attempting to send\r |
941 | the SCSI Request Packet. See HostAdapterStatus,\r | |
942 | TargetStatus, SenseDataLength, and SenseData in\r | |
9beb888e | 943 | that order for additional status information.\r |
d1102dba LG |
944 | @retval EFI_INVALID_PARAMETER The contents of CommandPacket are invalid.\r |
945 | The SCSI Request Packet was not sent, so no\r | |
9beb888e | 946 | additional status information is available.\r |
947 | @retval EFI_UNSUPPORTED The command described by the SCSI Request Packet\r | |
d1102dba | 948 | is not supported by the SCSI initiator(i.e., SCSI\r |
9beb888e | 949 | Host Controller). The SCSI Request Packet was not\r |
d1102dba | 950 | sent, so no additional status information is\r |
9beb888e | 951 | available.\r |
d1102dba | 952 | @retval EFI_TIMEOUT A timeout occurred while waiting for the SCSI\r |
9beb888e | 953 | Request Packet to execute. See HostAdapterStatus,\r |
d1102dba | 954 | TargetStatus, SenseDataLength, and SenseData in\r |
9beb888e | 955 | that order for additional status information.\r |
956 | **/\r | |
957 | EFI_STATUS\r | |
958 | EFIAPI\r | |
959 | ScsiExecuteSCSICommand (\r | |
960 | IN EFI_SCSI_IO_PROTOCOL *This,\r | |
961 | IN OUT EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet,\r | |
962 | IN EFI_EVENT Event OPTIONAL\r | |
963 | )\r | |
3a10d471 | 964 | {\r |
f36d6e66 | 965 | SCSI_IO_DEV *ScsiIoDevice;\r |
966 | EFI_STATUS Status;\r | |
70c94b3b | 967 | UINT8 Target[TARGET_MAX_BYTES];\r |
968 | EFI_EVENT PacketEvent;\r | |
969 | EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *ExtRequestPacket;\r | |
d1102dba | 970 | SCSI_EVENT_DATA EventData;\r |
3a10d471 | 971 | \r |
70c94b3b | 972 | PacketEvent = NULL;\r |
d1102dba | 973 | \r |
3a10d471 | 974 | if (Packet == NULL) {\r |
975 | return EFI_INVALID_PARAMETER;\r | |
976 | }\r | |
977 | \r | |
978 | ScsiIoDevice = SCSI_IO_DEV_FROM_THIS (This);\r | |
70c94b3b | 979 | CopyMem (Target,&ScsiIoDevice->Pun, TARGET_MAX_BYTES);\r |
c52fa98c | 980 | \r |
70c94b3b | 981 | if (ScsiIoDevice->ExtScsiSupport) {\r |
982 | ExtRequestPacket = (EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *) Packet;\r | |
0d12e6a0 HW |
983 | \r |
984 | if (((ScsiIoDevice->ExtScsiPassThru->Mode->Attributes & EFI_SCSI_PASS_THRU_ATTRIBUTES_NONBLOCKIO) != 0) && (Event != NULL)) {\r | |
985 | Status = ScsiIoDevice->ExtScsiPassThru->PassThru (\r | |
986 | ScsiIoDevice->ExtScsiPassThru,\r | |
987 | Target,\r | |
988 | ScsiIoDevice->Lun,\r | |
989 | ExtRequestPacket,\r | |
990 | Event\r | |
991 | );\r | |
992 | } else {\r | |
993 | //\r | |
994 | // If there's no event or the SCSI Device doesn't support NON-BLOCKING,\r | |
995 | // let the 'Event' parameter for PassThru() be NULL.\r | |
996 | //\r | |
997 | Status = ScsiIoDevice->ExtScsiPassThru->PassThru (\r | |
998 | ScsiIoDevice->ExtScsiPassThru,\r | |
999 | Target,\r | |
1000 | ScsiIoDevice->Lun,\r | |
1001 | ExtRequestPacket,\r | |
1002 | NULL\r | |
1003 | );\r | |
9f840a9e | 1004 | if ((!EFI_ERROR(Status)) && (Event != NULL)) {\r |
0d12e6a0 | 1005 | //\r |
9f840a9e HW |
1006 | // Signal Event to tell caller to pick up the SCSI IO packet if the\r |
1007 | // PassThru() succeeds.\r | |
0d12e6a0 HW |
1008 | //\r |
1009 | gBS->SignalEvent (Event);\r | |
1010 | }\r | |
1011 | }\r | |
70c94b3b | 1012 | } else {\r |
3a10d471 | 1013 | \r |
9b38ff34 | 1014 | mWorkingBuffer = AllocatePool (sizeof(EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET));\r |
3a10d471 | 1015 | \r |
9b38ff34 | 1016 | if (mWorkingBuffer == NULL) {\r |
70c94b3b | 1017 | return EFI_DEVICE_ERROR;\r |
1018 | }\r | |
1019 | \r | |
1020 | //\r | |
c52fa98c | 1021 | // Convert package into EFI1.0, EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET.\r |
70c94b3b | 1022 | //\r |
9beb888e | 1023 | Status = ScsiioToPassThruPacket(Packet, (EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET*)mWorkingBuffer);\r |
70c94b3b | 1024 | if (EFI_ERROR(Status)) {\r |
9beb888e | 1025 | FreePool(mWorkingBuffer);\r |
70c94b3b | 1026 | return Status;\r |
1027 | }\r | |
1028 | \r | |
7077edb3 | 1029 | if (((ScsiIoDevice->ScsiPassThru->Mode->Attributes & EFI_SCSI_PASS_THRU_ATTRIBUTES_NONBLOCKIO) != 0) && (Event != NULL)) {\r |
70c94b3b | 1030 | EventData.Data1 = (VOID*)Packet;\r |
1031 | EventData.Data2 = Event;\r | |
1032 | //\r | |
1033 | // Create Event\r | |
1034 | //\r | |
1035 | Status = gBS->CreateEvent (\r | |
1036 | EVT_NOTIFY_SIGNAL,\r | |
6be0af05 | 1037 | TPL_NOTIFY,\r |
70c94b3b | 1038 | NotifyFunction,\r |
1039 | &EventData,\r | |
1040 | &PacketEvent\r | |
1041 | );\r | |
1042 | if (EFI_ERROR(Status)) {\r | |
9beb888e | 1043 | FreePool(mWorkingBuffer);\r |
70c94b3b | 1044 | return Status;\r |
1045 | }\r | |
c52fa98c | 1046 | \r |
70c94b3b | 1047 | Status = ScsiIoDevice->ScsiPassThru->PassThru (\r |
1048 | ScsiIoDevice->ScsiPassThru,\r | |
1049 | ScsiIoDevice->Pun.ScsiId.Scsi,\r | |
1050 | ScsiIoDevice->Lun,\r | |
9beb888e | 1051 | mWorkingBuffer,\r |
70c94b3b | 1052 | PacketEvent\r |
1053 | );\r | |
1054 | \r | |
1055 | if (EFI_ERROR(Status)) {\r | |
9b38ff34 | 1056 | FreePool(mWorkingBuffer);\r |
70c94b3b | 1057 | gBS->CloseEvent(PacketEvent);\r |
1058 | return Status;\r | |
1059 | }\r | |
c52fa98c | 1060 | \r |
70c94b3b | 1061 | } else {\r |
1062 | //\r | |
1063 | // If there's no event or SCSI Device doesn't support NON-BLOCKING, just convert\r | |
1064 | // EFI1.0 PassThru packet back to UEFI2.0 SCSI IO Packet.\r | |
1065 | //\r | |
1066 | Status = ScsiIoDevice->ScsiPassThru->PassThru (\r | |
1067 | ScsiIoDevice->ScsiPassThru,\r | |
1068 | ScsiIoDevice->Pun.ScsiId.Scsi,\r | |
1069 | ScsiIoDevice->Lun,\r | |
9beb888e | 1070 | mWorkingBuffer,\r |
0d12e6a0 | 1071 | NULL\r |
70c94b3b | 1072 | );\r |
1073 | if (EFI_ERROR(Status)) {\r | |
9beb888e | 1074 | FreePool(mWorkingBuffer);\r |
70c94b3b | 1075 | return Status;\r |
1076 | }\r | |
1077 | \r | |
9beb888e | 1078 | PassThruToScsiioPacket((EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET*)mWorkingBuffer,Packet);\r |
70c94b3b | 1079 | //\r |
1080 | // After converting EFI1.0 PassThru Packet back to UEFI2.0 SCSI IO Packet,\r | |
9beb888e | 1081 | // free mWorkingBuffer.\r |
70c94b3b | 1082 | //\r |
9beb888e | 1083 | FreePool(mWorkingBuffer);\r |
0d12e6a0 HW |
1084 | \r |
1085 | //\r | |
1086 | // Signal Event to tell caller to pick up the SCSI IO Packet.\r | |
1087 | //\r | |
1088 | if (Event != NULL) {\r | |
1089 | gBS->SignalEvent (Event);\r | |
1090 | }\r | |
70c94b3b | 1091 | }\r |
1092 | }\r | |
3a10d471 | 1093 | return Status;\r |
1094 | }\r | |
1095 | \r | |
3a10d471 | 1096 | \r |
9beb888e | 1097 | /**\r |
70c94b3b | 1098 | Scan SCSI Bus to discover the device, and attach ScsiIoProtocol to it.\r |
3a10d471 | 1099 | \r |
9beb888e | 1100 | @param This Protocol instance pointer\r |
1101 | @param Controller Controller handle\r | |
cc530cd1 | 1102 | @param TargetId Target to be scanned\r |
9beb888e | 1103 | @param Lun The Lun of the SCSI device on the SCSI channel.\r |
1104 | @param ScsiBusDev The pointer of SCSI_BUS_DEVICE\r | |
3a10d471 | 1105 | \r |
9beb888e | 1106 | @retval EFI_SUCCESS Successfully to discover the device and attach\r |
1107 | ScsiIoProtocol to it.\r | |
1108 | @retval EFI_OUT_OF_RESOURCES Fail to discover the device.\r | |
3a10d471 | 1109 | \r |
9beb888e | 1110 | **/\r |
1111 | EFI_STATUS\r | |
1112 | EFIAPI\r | |
1113 | ScsiScanCreateDevice (\r | |
1114 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
1115 | IN EFI_HANDLE Controller,\r | |
1116 | IN SCSI_TARGET_ID *TargetId,\r | |
1117 | IN UINT64 Lun,\r | |
1118 | IN OUT SCSI_BUS_DEVICE *ScsiBusDev\r | |
1119 | )\r | |
3a10d471 | 1120 | {\r |
1121 | EFI_STATUS Status;\r | |
1122 | SCSI_IO_DEV *ScsiIoDevice;\r | |
1123 | EFI_DEVICE_PATH_PROTOCOL *ScsiDevicePath;\r | |
cbd2a4b3 | 1124 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r |
1125 | EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath;\r | |
1126 | EFI_HANDLE DeviceHandle;\r | |
1127 | \r | |
1128 | DevicePath = NULL;\r | |
1129 | RemainingDevicePath = NULL;\r | |
1130 | ScsiDevicePath = NULL;\r | |
1131 | ScsiIoDevice = NULL;\r | |
1132 | \r | |
1133 | //\r | |
1134 | // Build Device Path\r | |
1135 | //\r | |
1136 | if (ScsiBusDev->ExtScsiSupport){\r | |
1137 | Status = ScsiBusDev->ExtScsiInterface->BuildDevicePath (\r | |
1138 | ScsiBusDev->ExtScsiInterface,\r | |
1139 | &TargetId->ScsiId.ExtScsi[0],\r | |
1140 | Lun,\r | |
1141 | &ScsiDevicePath\r | |
1142 | );\r | |
1143 | } else {\r | |
e7c2a83b | 1144 | Status = ScsiBusDev->ScsiInterface->BuildDevicePath (\r |
1145 | ScsiBusDev->ScsiInterface,\r | |
1146 | TargetId->ScsiId.Scsi,\r | |
1147 | Lun,\r | |
1148 | &ScsiDevicePath\r | |
1149 | );\r | |
cbd2a4b3 | 1150 | }\r |
1151 | \r | |
1152 | if (EFI_ERROR(Status)) {\r | |
1153 | return Status;\r | |
1154 | }\r | |
1155 | \r | |
1156 | DevicePath = AppendDevicePathNode (\r | |
1157 | ScsiBusDev->DevicePath,\r | |
1158 | ScsiDevicePath\r | |
1159 | );\r | |
1160 | \r | |
1161 | if (DevicePath == NULL) {\r | |
1162 | Status = EFI_OUT_OF_RESOURCES;\r | |
1163 | goto ErrorExit;\r | |
1164 | }\r | |
1165 | \r | |
1166 | DeviceHandle = NULL;\r | |
1167 | RemainingDevicePath = DevicePath;\r | |
1168 | Status = gBS->LocateDevicePath (&gEfiDevicePathProtocolGuid, &RemainingDevicePath, &DeviceHandle);\r | |
1169 | if (!EFI_ERROR (Status) && (DeviceHandle != NULL) && IsDevicePathEnd(RemainingDevicePath)) {\r | |
1170 | //\r | |
1171 | // The device has been started, directly return to fast boot.\r | |
1172 | //\r | |
1173 | Status = EFI_ALREADY_STARTED;\r | |
1174 | goto ErrorExit;\r | |
1175 | }\r | |
3a10d471 | 1176 | \r |
9beb888e | 1177 | ScsiIoDevice = AllocateZeroPool (sizeof (SCSI_IO_DEV));\r |
1178 | if (ScsiIoDevice == NULL) {\r | |
cbd2a4b3 | 1179 | Status = EFI_OUT_OF_RESOURCES;\r |
1180 | goto ErrorExit;\r | |
3a10d471 | 1181 | }\r |
1182 | \r | |
3a10d471 | 1183 | ScsiIoDevice->Signature = SCSI_IO_DEV_SIGNATURE;\r |
37623a5c | 1184 | ScsiIoDevice->ScsiBusDeviceData = ScsiBusDev;\r |
70c94b3b | 1185 | CopyMem(&ScsiIoDevice->Pun, TargetId, TARGET_MAX_BYTES);\r |
3a10d471 | 1186 | ScsiIoDevice->Lun = Lun;\r |
1187 | \r | |
70c94b3b | 1188 | if (ScsiBusDev->ExtScsiSupport) {\r |
1189 | ScsiIoDevice->ExtScsiPassThru = ScsiBusDev->ExtScsiInterface;\r | |
1190 | ScsiIoDevice->ExtScsiSupport = TRUE;\r | |
1191 | ScsiIoDevice->ScsiIo.IoAlign = ScsiIoDevice->ExtScsiPassThru->Mode->IoAlign;\r | |
1192 | \r | |
1193 | } else {\r | |
1194 | ScsiIoDevice->ScsiPassThru = ScsiBusDev->ScsiInterface;\r | |
1195 | ScsiIoDevice->ExtScsiSupport = FALSE;\r | |
1196 | ScsiIoDevice->ScsiIo.IoAlign = ScsiIoDevice->ScsiPassThru->Mode->IoAlign;\r | |
1197 | }\r | |
1198 | \r | |
3a10d471 | 1199 | ScsiIoDevice->ScsiIo.GetDeviceType = ScsiGetDeviceType;\r |
70c94b3b | 1200 | ScsiIoDevice->ScsiIo.GetDeviceLocation = ScsiGetDeviceLocation;\r |
3a10d471 | 1201 | ScsiIoDevice->ScsiIo.ResetBus = ScsiResetBus;\r |
1202 | ScsiIoDevice->ScsiIo.ResetDevice = ScsiResetDevice;\r | |
24e734d2 | 1203 | ScsiIoDevice->ScsiIo.ExecuteScsiCommand = ScsiExecuteSCSICommand;\r |
3a10d471 | 1204 | \r |
37623a5c | 1205 | //\r |
1206 | // Report Status Code here since the new SCSI device will be discovered\r | |
1207 | //\r | |
1208 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
1209 | EFI_PROGRESS_CODE,\r | |
1210 | (EFI_IO_BUS_SCSI | EFI_IOB_PC_ENABLE),\r | |
1211 | ScsiBusDev->DevicePath\r | |
1212 | );\r | |
1213 | \r | |
3a10d471 | 1214 | if (!DiscoverScsiDevice (ScsiIoDevice)) {\r |
cbd2a4b3 | 1215 | Status = EFI_OUT_OF_RESOURCES;\r |
1216 | goto ErrorExit;\r | |
3a10d471 | 1217 | }\r |
70c94b3b | 1218 | \r |
cbd2a4b3 | 1219 | ScsiIoDevice->DevicePath = DevicePath;\r |
c52fa98c | 1220 | \r |
3a10d471 | 1221 | Status = gBS->InstallMultipleProtocolInterfaces (\r |
1222 | &ScsiIoDevice->Handle,\r | |
1223 | &gEfiDevicePathProtocolGuid,\r | |
1224 | ScsiIoDevice->DevicePath,\r | |
1225 | &gEfiScsiIoProtocolGuid,\r | |
1226 | &ScsiIoDevice->ScsiIo,\r | |
1227 | NULL\r | |
1228 | );\r | |
1229 | if (EFI_ERROR (Status)) {\r | |
cbd2a4b3 | 1230 | goto ErrorExit;\r |
3a10d471 | 1231 | } else {\r |
70c94b3b | 1232 | if (ScsiBusDev->ExtScsiSupport) {\r |
1233 | gBS->OpenProtocol (\r | |
cbd2a4b3 | 1234 | Controller,\r |
1235 | &gEfiExtScsiPassThruProtocolGuid,\r | |
1236 | (VOID **) &(ScsiBusDev->ExtScsiInterface),\r | |
1237 | This->DriverBindingHandle,\r | |
1238 | ScsiIoDevice->Handle,\r | |
1239 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r | |
1240 | );\r | |
70c94b3b | 1241 | } else {\r |
1242 | gBS->OpenProtocol (\r | |
cbd2a4b3 | 1243 | Controller,\r |
1244 | &gEfiScsiPassThruProtocolGuid,\r | |
1245 | (VOID **) &(ScsiBusDev->ScsiInterface),\r | |
1246 | This->DriverBindingHandle,\r | |
1247 | ScsiIoDevice->Handle,\r | |
1248 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r | |
1249 | );\r | |
70c94b3b | 1250 | }\r |
3a10d471 | 1251 | }\r |
3a10d471 | 1252 | return EFI_SUCCESS;\r |
cbd2a4b3 | 1253 | \r |
1254 | ErrorExit:\r | |
d1102dba | 1255 | \r |
cbd2a4b3 | 1256 | //\r |
1257 | // The memory space for ScsiDevicePath is allocated in\r | |
1258 | // ScsiPassThru->BuildDevicePath() function; It is no longer used\r | |
1259 | // after AppendDevicePathNode,so free the memory it occupies.\r | |
1260 | //\r | |
1261 | FreePool (ScsiDevicePath);\r | |
1262 | \r | |
1263 | if (DevicePath != NULL) {\r | |
1264 | FreePool (DevicePath);\r | |
1265 | }\r | |
1266 | \r | |
1267 | if (ScsiIoDevice != NULL) {\r | |
1268 | FreePool (ScsiIoDevice);\r | |
1269 | }\r | |
1270 | \r | |
1271 | return Status;\r | |
3a10d471 | 1272 | }\r |
1273 | \r | |
3a10d471 | 1274 | \r |
9beb888e | 1275 | /**\r |
70c94b3b | 1276 | Discovery SCSI Device\r |
3a10d471 | 1277 | \r |
9beb888e | 1278 | @param ScsiIoDevice The pointer of SCSI_IO_DEV\r |
3a10d471 | 1279 | \r |
9beb888e | 1280 | @retval TRUE Find SCSI Device and verify it.\r |
1281 | @retval FALSE Unable to find SCSI Device.\r | |
3a10d471 | 1282 | \r |
9beb888e | 1283 | **/\r |
1284 | BOOLEAN\r | |
1285 | DiscoverScsiDevice (\r | |
1286 | IN OUT SCSI_IO_DEV *ScsiIoDevice\r | |
1287 | )\r | |
3a10d471 | 1288 | {\r |
1289 | EFI_STATUS Status;\r | |
3a10d471 | 1290 | UINT32 InquiryDataLength;\r |
3a10d471 | 1291 | UINT8 SenseDataLength;\r |
1292 | UINT8 HostAdapterStatus;\r | |
1293 | UINT8 TargetStatus;\r | |
957fe093 | 1294 | EFI_SCSI_INQUIRY_DATA *InquiryData;\r |
ce13d2d8 | 1295 | EFI_SCSI_SENSE_DATA *SenseData;\r |
cbd2a4b3 | 1296 | UINT8 MaxRetry;\r |
1297 | UINT8 Index;\r | |
957fe093 | 1298 | BOOLEAN ScsiDeviceFound;\r |
3a10d471 | 1299 | \r |
1300 | HostAdapterStatus = 0;\r | |
1301 | TargetStatus = 0;\r | |
ce13d2d8 | 1302 | SenseData = NULL;\r |
957fe093 SZ |
1303 | \r |
1304 | InquiryData = AllocateAlignedBuffer (ScsiIoDevice, sizeof (EFI_SCSI_INQUIRY_DATA));\r | |
1305 | if (InquiryData == NULL) {\r | |
1306 | ScsiDeviceFound = FALSE;\r | |
1307 | goto Done;\r | |
1308 | }\r | |
1309 | \r | |
ce13d2d8 LE |
1310 | SenseData = AllocateAlignedBuffer (\r |
1311 | ScsiIoDevice,\r | |
1312 | sizeof (EFI_SCSI_SENSE_DATA)\r | |
1313 | );\r | |
1314 | if (SenseData == NULL) {\r | |
1315 | ScsiDeviceFound = FALSE;\r | |
1316 | goto Done;\r | |
1317 | }\r | |
1318 | \r | |
3a10d471 | 1319 | //\r |
1320 | // Using Inquiry command to scan for the device\r | |
1321 | //\r | |
1322 | InquiryDataLength = sizeof (EFI_SCSI_INQUIRY_DATA);\r | |
ce13d2d8 | 1323 | SenseDataLength = sizeof (EFI_SCSI_SENSE_DATA);\r |
957fe093 | 1324 | ZeroMem (InquiryData, InquiryDataLength);\r |
ce13d2d8 | 1325 | ZeroMem (SenseData, SenseDataLength);\r |
cbd2a4b3 | 1326 | \r |
1327 | MaxRetry = 2;\r | |
1328 | for (Index = 0; Index < MaxRetry; Index++) {\r | |
1329 | Status = ScsiInquiryCommand (\r | |
1330 | &ScsiIoDevice->ScsiIo,\r | |
3cc033c5 | 1331 | SCSI_BUS_TIMEOUT,\r |
ce13d2d8 | 1332 | SenseData,\r |
cbd2a4b3 | 1333 | &SenseDataLength,\r |
1334 | &HostAdapterStatus,\r | |
1335 | &TargetStatus,\r | |
957fe093 | 1336 | (VOID *) InquiryData,\r |
cbd2a4b3 | 1337 | &InquiryDataLength,\r |
1338 | FALSE\r | |
1339 | );\r | |
1340 | if (!EFI_ERROR (Status)) {\r | |
ce13d2d8 LE |
1341 | if ((HostAdapterStatus == EFI_SCSI_IO_STATUS_HOST_ADAPTER_OK) &&\r |
1342 | (TargetStatus == EFI_SCSI_IO_STATUS_TARGET_CHECK_CONDITION) &&\r | |
1343 | (SenseData->Error_Code == 0x70) &&\r | |
1344 | (SenseData->Sense_Key == EFI_SCSI_SK_ILLEGAL_REQUEST)) {\r | |
1345 | ScsiDeviceFound = FALSE;\r | |
1346 | goto Done;\r | |
1347 | }\r | |
cbd2a4b3 | 1348 | break;\r |
c09e481b LE |
1349 | }\r |
1350 | if ((Status == EFI_BAD_BUFFER_SIZE) ||\r | |
1351 | (Status == EFI_INVALID_PARAMETER) ||\r | |
1352 | (Status == EFI_UNSUPPORTED)) {\r | |
957fe093 SZ |
1353 | ScsiDeviceFound = FALSE;\r |
1354 | goto Done;\r | |
cbd2a4b3 | 1355 | }\r |
1356 | }\r | |
3a10d471 | 1357 | \r |
cbd2a4b3 | 1358 | if (Index == MaxRetry) {\r |
957fe093 SZ |
1359 | ScsiDeviceFound = FALSE;\r |
1360 | goto Done;\r | |
3a10d471 | 1361 | }\r |
d1102dba | 1362 | \r |
3a10d471 | 1363 | //\r |
1364 | // Retrieved inquiry data successfully\r | |
1365 | //\r | |
897efb97 | 1366 | if (InquiryData->Peripheral_Qualifier != 0) {\r |
957fe093 SZ |
1367 | ScsiDeviceFound = FALSE;\r |
1368 | goto Done;\r | |
3a10d471 | 1369 | }\r |
1370 | \r | |
1ff7ed2c CZ |
1371 | if ((InquiryData->Peripheral_Type >= EFI_SCSI_TYPE_RESERVED_LOW) &&\r |
1372 | (InquiryData->Peripheral_Type <= EFI_SCSI_TYPE_RESERVED_HIGH)) {\r | |
957fe093 SZ |
1373 | ScsiDeviceFound = FALSE;\r |
1374 | goto Done;\r | |
3a10d471 | 1375 | }\r |
c52fa98c | 1376 | \r |
3a10d471 | 1377 | //\r |
1378 | // valid device type and peripheral qualifier combination.\r | |
1379 | //\r | |
957fe093 SZ |
1380 | ScsiIoDevice->ScsiDeviceType = InquiryData->Peripheral_Type;\r |
1381 | ScsiIoDevice->RemovableDevice = InquiryData->Rmb;\r | |
1382 | if (InquiryData->Version == 0) {\r | |
3a10d471 | 1383 | ScsiIoDevice->ScsiVersion = 0;\r |
1384 | } else {\r | |
1385 | //\r | |
1386 | // ANSI-approved version\r | |
1387 | //\r | |
957fe093 | 1388 | ScsiIoDevice->ScsiVersion = (UINT8) (InquiryData->Version & 0x07);\r |
3a10d471 | 1389 | }\r |
1390 | \r | |
957fe093 SZ |
1391 | ScsiDeviceFound = TRUE;\r |
1392 | \r | |
1393 | Done:\r | |
ce13d2d8 | 1394 | FreeAlignedBuffer (SenseData, sizeof (EFI_SCSI_SENSE_DATA));\r |
957fe093 SZ |
1395 | FreeAlignedBuffer (InquiryData, sizeof (EFI_SCSI_INQUIRY_DATA));\r |
1396 | \r | |
1397 | return ScsiDeviceFound;\r | |
3a10d471 | 1398 | }\r |
70c94b3b | 1399 | \r |
1400 | \r | |
9beb888e | 1401 | /**\r |
1402 | Convert EFI_SCSI_IO_SCSI_REQUEST_PACKET packet to EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET packet.\r | |
1403 | \r | |
1404 | @param Packet The pointer of EFI_SCSI_IO_SCSI_REQUEST_PACKET\r | |
1405 | @param CommandPacket The pointer of EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET\r | |
1406 | \r | |
1407 | **/\r | |
70c94b3b | 1408 | EFI_STATUS\r |
1409 | EFIAPI\r | |
1410 | ScsiioToPassThruPacket (\r | |
1411 | IN EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet,\r | |
9beb888e | 1412 | OUT EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *CommandPacket\r |
70c94b3b | 1413 | )\r |
70c94b3b | 1414 | {\r |
1415 | //\r | |
1416 | //EFI 1.10 doesn't support Bi-Direction Command.\r | |
1417 | //\r | |
1418 | if (Packet->DataDirection == EFI_SCSI_IO_DATA_DIRECTION_BIDIRECTIONAL) {\r | |
1419 | return EFI_UNSUPPORTED;\r | |
1420 | }\r | |
c52fa98c | 1421 | \r |
70c94b3b | 1422 | ZeroMem (CommandPacket, sizeof (EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET));\r |
1423 | \r | |
1424 | CommandPacket->Timeout = Packet->Timeout;\r | |
1425 | CommandPacket->Cdb = Packet->Cdb;\r | |
1426 | CommandPacket->CdbLength = Packet->CdbLength;\r | |
1427 | CommandPacket->DataDirection = Packet->DataDirection;\r | |
1428 | CommandPacket->HostAdapterStatus = Packet->HostAdapterStatus;\r | |
1429 | CommandPacket->TargetStatus = Packet->TargetStatus;\r | |
1430 | CommandPacket->SenseData = Packet->SenseData;\r | |
1431 | CommandPacket->SenseDataLength = Packet->SenseDataLength;\r | |
1432 | \r | |
1433 | if (Packet->DataDirection == EFI_SCSI_IO_DATA_DIRECTION_READ) {\r | |
1434 | CommandPacket->DataBuffer = Packet->InDataBuffer;\r | |
1435 | CommandPacket->TransferLength = Packet->InTransferLength;\r | |
1436 | } else if (Packet->DataDirection == EFI_SCSI_IO_DATA_DIRECTION_WRITE) {\r | |
1437 | CommandPacket->DataBuffer = Packet->OutDataBuffer;\r | |
1438 | CommandPacket->TransferLength = Packet->OutTransferLength;\r | |
1439 | }\r | |
1440 | return EFI_SUCCESS;\r | |
1441 | }\r | |
1442 | \r | |
1443 | \r | |
9beb888e | 1444 | /**\r |
1445 | Convert EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET packet to EFI_SCSI_IO_SCSI_REQUEST_PACKET packet.\r | |
1446 | \r | |
1447 | @param ScsiPacket The pointer of EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET\r | |
1448 | @param Packet The pointer of EFI_SCSI_IO_SCSI_REQUEST_PACKET\r | |
1449 | \r | |
1450 | **/\r | |
70c94b3b | 1451 | EFI_STATUS\r |
1452 | EFIAPI\r | |
1453 | PassThruToScsiioPacket (\r | |
1454 | IN EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *ScsiPacket,\r | |
9beb888e | 1455 | OUT EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet\r |
70c94b3b | 1456 | )\r |
70c94b3b | 1457 | {\r |
1458 | Packet->Timeout = ScsiPacket->Timeout;\r | |
1459 | Packet->Cdb = ScsiPacket->Cdb;\r | |
1460 | Packet->CdbLength = ScsiPacket->CdbLength;\r | |
1461 | Packet->DataDirection = ScsiPacket->DataDirection;\r | |
1462 | Packet->HostAdapterStatus = ScsiPacket->HostAdapterStatus;\r | |
1463 | Packet->TargetStatus = ScsiPacket->TargetStatus;\r | |
1464 | Packet->SenseData = ScsiPacket->SenseData;\r | |
1465 | Packet->SenseDataLength = ScsiPacket->SenseDataLength;\r | |
1466 | \r | |
1467 | if (ScsiPacket->DataDirection == EFI_SCSI_IO_DATA_DIRECTION_READ) {\r | |
1468 | Packet->InDataBuffer = ScsiPacket->DataBuffer;\r | |
1469 | Packet->InTransferLength = ScsiPacket->TransferLength;\r | |
1470 | } else if (Packet->DataDirection == EFI_SCSI_IO_DATA_DIRECTION_WRITE) {\r | |
1471 | Packet->OutDataBuffer = ScsiPacket->DataBuffer;\r | |
1472 | Packet->OutTransferLength = ScsiPacket->TransferLength;\r | |
1473 | }\r | |
c52fa98c | 1474 | \r |
70c94b3b | 1475 | return EFI_SUCCESS;\r |
1476 | }\r | |
1477 | \r | |
9beb888e | 1478 | /**\r |
1479 | Notify Function in which convert EFI1.0 PassThru Packet back to UEF2.0\r | |
1480 | SCSI IO Packet.\r | |
70c94b3b | 1481 | \r |
9beb888e | 1482 | @param Event The instance of EFI_EVENT.\r |
1483 | @param Context The parameter passed in.\r | |
70c94b3b | 1484 | \r |
9beb888e | 1485 | **/\r |
70c94b3b | 1486 | VOID\r |
1487 | EFIAPI\r | |
1488 | NotifyFunction (\r | |
9beb888e | 1489 | IN EFI_EVENT Event,\r |
1490 | IN VOID *Context\r | |
70c94b3b | 1491 | )\r |
70c94b3b | 1492 | {\r |
1493 | EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet;\r | |
1494 | EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *ScsiPacket;\r | |
1495 | EFI_EVENT CallerEvent;\r | |
c52fa98c | 1496 | SCSI_EVENT_DATA *PassData;\r |
70c94b3b | 1497 | \r |
1498 | PassData = (SCSI_EVENT_DATA*)Context;\r | |
1499 | Packet = (EFI_SCSI_IO_SCSI_REQUEST_PACKET *)PassData->Data1;\r | |
9beb888e | 1500 | ScsiPacket = (EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET*)mWorkingBuffer;\r |
70c94b3b | 1501 | \r |
1502 | //\r | |
1503 | // Convert EFI1.0 PassThru packet to UEFI2.0 SCSI IO Packet.\r | |
1504 | //\r | |
1505 | PassThruToScsiioPacket(ScsiPacket, Packet);\r | |
c52fa98c | 1506 | \r |
70c94b3b | 1507 | //\r |
1508 | // After converting EFI1.0 PassThru Packet back to UEFI2.0 SCSI IO Packet,\r | |
9beb888e | 1509 | // free mWorkingBuffer.\r |
70c94b3b | 1510 | //\r |
9beb888e | 1511 | gBS->FreePool(mWorkingBuffer);\r |
70c94b3b | 1512 | \r |
1513 | //\r | |
1514 | // Signal Event to tell caller to pick up UEFI2.0 SCSI IO Packet.\r | |
1515 | //\r | |
1516 | CallerEvent = PassData->Data2;\r | |
1517 | gBS->CloseEvent(Event);\r | |
1518 | gBS->SignalEvent(CallerEvent);\r | |
1519 | }\r | |
9beb888e | 1520 | \r |