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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 |
3cc033c5 | 5 | Copyright (c) 2006 - 2013, Intel Corporation. All rights reserved.<BR>\r |
cd5ebaa0 | 6 | This program and the accompanying materials\r |
c52fa98c | 7 | are licensed and made available under the terms and conditions of the BSD License\r |
8 | which accompanies this distribution. The full text of the license may be found at\r | |
9 | http://opensource.org/licenses/bsd-license.php\r | |
10 | \r | |
11 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
12 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
3a10d471 | 13 | \r |
3b2dbece | 14 | **/\r |
3a10d471 | 15 | \r |
ed7748fe | 16 | \r |
3a10d471 | 17 | #include "ScsiBus.h"\r |
18 | \r | |
9beb888e | 19 | \r |
3a10d471 | 20 | EFI_DRIVER_BINDING_PROTOCOL gSCSIBusDriverBinding = {\r |
21 | SCSIBusDriverBindingSupported,\r | |
22 | SCSIBusDriverBindingStart,\r | |
23 | SCSIBusDriverBindingStop,\r | |
24 | 0xa,\r | |
25 | NULL,\r | |
26 | NULL\r | |
27 | };\r | |
28 | \r | |
9beb888e | 29 | VOID *mWorkingBuffer;\r |
30 | \r | |
31 | /**\r | |
32 | Convert EFI_SCSI_IO_SCSI_REQUEST_PACKET packet to EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET packet.\r | |
70c94b3b | 33 | \r |
9beb888e | 34 | @param Packet The pointer of EFI_SCSI_IO_SCSI_REQUEST_PACKET\r |
35 | @param CommandPacket The pointer of EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET\r | |
36 | \r | |
37 | **/\r | |
70c94b3b | 38 | EFI_STATUS\r |
39 | EFIAPI\r | |
40 | ScsiioToPassThruPacket (\r | |
41 | IN EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet,\r | |
9beb888e | 42 | OUT EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *CommandPacket\r |
ed66e1bc | 43 | );\r |
70c94b3b | 44 | \r |
9beb888e | 45 | /**\r |
46 | Convert EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET packet to EFI_SCSI_IO_SCSI_REQUEST_PACKET packet.\r | |
47 | \r | |
48 | @param ScsiPacket The pointer of EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET\r | |
49 | @param Packet The pointer of EFI_SCSI_IO_SCSI_REQUEST_PACKET\r | |
70c94b3b | 50 | \r |
9beb888e | 51 | **/\r |
70c94b3b | 52 | EFI_STATUS\r |
53 | EFIAPI\r | |
54 | PassThruToScsiioPacket (\r | |
55 | IN EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *ScsiPacket,\r | |
9beb888e | 56 | OUT EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet\r |
ed66e1bc | 57 | );\r |
9beb888e | 58 | \r |
59 | /**\r | |
60 | Notify Function in which convert EFI1.0 PassThru Packet back to UEF2.0\r | |
61 | SCSI IO Packet.\r | |
62 | \r | |
63 | @param Event The instance of EFI_EVENT.\r | |
64 | @param Context The parameter passed in.\r | |
65 | \r | |
66 | **/\r | |
70c94b3b | 67 | VOID\r |
68 | EFIAPI\r | |
69 | NotifyFunction (\r | |
9beb888e | 70 | IN EFI_EVENT Event,\r |
71 | IN VOID *Context\r | |
ed66e1bc | 72 | );\r |
70c94b3b | 73 | \r |
957fe093 SZ |
74 | /**\r |
75 | Allocates an aligned buffer for SCSI device.\r | |
76 | \r | |
77 | This function allocates an aligned buffer for the SCSI device to perform\r | |
78 | SCSI pass through operations. The alignment requirement is from SCSI pass\r | |
79 | through interface.\r | |
80 | \r | |
81 | @param ScsiIoDevice The SCSI child device involved for the operation.\r | |
82 | @param BufferSize The request buffer size.\r | |
83 | \r | |
84 | @return A pointer to the aligned buffer or NULL if the allocation fails.\r | |
85 | \r | |
86 | **/\r | |
87 | VOID *\r | |
88 | AllocateAlignedBuffer (\r | |
89 | IN SCSI_IO_DEV *ScsiIoDevice,\r | |
90 | IN UINTN BufferSize\r | |
91 | )\r | |
92 | {\r | |
93 | return AllocateAlignedPages (EFI_SIZE_TO_PAGES (BufferSize), ScsiIoDevice->ScsiIo.IoAlign);\r | |
94 | }\r | |
95 | \r | |
96 | /**\r | |
97 | Frees an aligned buffer for SCSI device.\r | |
98 | \r | |
99 | This function frees an aligned buffer for the SCSI device to perform\r | |
100 | SCSI pass through operations.\r | |
101 | \r | |
102 | @param Buffer The aligned buffer to be freed.\r | |
103 | @param BufferSize The request buffer size.\r | |
104 | \r | |
105 | **/\r | |
106 | VOID\r | |
107 | FreeAlignedBuffer (\r | |
108 | IN VOID *Buffer,\r | |
109 | IN UINTN BufferSize\r | |
110 | )\r | |
111 | {\r | |
112 | if (Buffer != NULL) {\r | |
113 | FreeAlignedPages (Buffer, EFI_SIZE_TO_PAGES (BufferSize));\r | |
114 | }\r | |
115 | }\r | |
116 | \r | |
3a10d471 | 117 | /**\r |
118 | The user Entry Point for module ScsiBus. The user code starts with this function.\r | |
119 | \r | |
9beb888e | 120 | @param ImageHandle The firmware allocated handle for the EFI image.\r |
121 | @param SystemTable A pointer to the EFI System Table.\r | |
c52fa98c | 122 | \r |
9beb888e | 123 | @retval EFI_SUCCESS The entry point is executed successfully.\r |
124 | @retval other Some error occurs when executing this entry point.\r | |
3a10d471 | 125 | \r |
126 | **/\r | |
127 | EFI_STATUS\r | |
128 | EFIAPI\r | |
129 | InitializeScsiBus(\r | |
130 | IN EFI_HANDLE ImageHandle,\r | |
131 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
132 | )\r | |
133 | {\r | |
134 | EFI_STATUS Status;\r | |
135 | \r | |
136 | //\r | |
137 | // Install driver model protocol(s).\r | |
138 | //\r | |
70da5bc2 | 139 | Status = EfiLibInstallDriverBindingComponentName2 (\r |
3a10d471 | 140 | ImageHandle,\r |
141 | SystemTable,\r | |
142 | &gSCSIBusDriverBinding,\r | |
143 | ImageHandle,\r | |
144 | &gScsiBusComponentName,\r | |
70da5bc2 | 145 | &gScsiBusComponentName2\r |
3a10d471 | 146 | );\r |
147 | ASSERT_EFI_ERROR (Status);\r | |
148 | \r | |
3a10d471 | 149 | return Status;\r |
150 | }\r | |
151 | \r | |
9beb888e | 152 | \r |
153 | /**\r | |
154 | Test to see if this driver supports ControllerHandle.\r | |
155 | \r | |
156 | This service is called by the EFI boot service ConnectController(). In order\r | |
157 | to make drivers as small as possible, there are a few calling restrictions for\r | |
158 | this service. ConnectController() must follow these calling restrictions. If\r | |
159 | any other agent wishes to call Supported() it must also follow these calling\r | |
160 | restrictions.\r | |
161 | \r | |
162 | @param This Protocol instance pointer.\r | |
163 | @param ControllerHandle Handle of device to test\r | |
164 | @param RemainingDevicePath Optional parameter use to pick a specific child\r | |
165 | device to start.\r | |
166 | \r | |
167 | @retval EFI_SUCCESS This driver supports this device\r | |
168 | @retval EFI_ALREADY_STARTED This driver is already running on this device\r | |
169 | @retval other This driver does not support this device\r | |
170 | \r | |
171 | **/\r | |
3a10d471 | 172 | EFI_STATUS\r |
173 | EFIAPI\r | |
174 | SCSIBusDriverBindingSupported (\r | |
175 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
176 | IN EFI_HANDLE Controller,\r | |
177 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
178 | )\r | |
3a10d471 | 179 | {\r |
af4a6385 | 180 | EFI_STATUS Status;\r |
181 | EFI_SCSI_PASS_THRU_PROTOCOL *PassThru;\r | |
70c94b3b | 182 | EFI_EXT_SCSI_PASS_THRU_PROTOCOL *ExtPassThru;\r |
d548f0a1 | 183 | UINT64 Lun;\r |
184 | UINT8 *TargetId;\r | |
185 | SCSI_TARGET_ID ScsiTargetId;\r | |
af4a6385 | 186 | \r |
d548f0a1 | 187 | TargetId = &ScsiTargetId.ScsiId.ExtScsi[0];\r |
188 | SetMem (TargetId, TARGET_MAX_BYTES, 0xFF);\r | |
189 | \r | |
190 | //\r | |
191 | // To keep backward compatibility, UEFI ExtPassThru Protocol is supported as well as \r | |
192 | // EFI PassThru Protocol. From priority perspective, ExtPassThru Protocol is firstly\r | |
193 | // tried to open on host controller handle. If fails, then PassThru Protocol is tried instead.\r | |
194 | //\r | |
195 | Status = gBS->OpenProtocol (\r | |
196 | Controller,\r | |
197 | &gEfiExtScsiPassThruProtocolGuid,\r | |
198 | (VOID **)&ExtPassThru,\r | |
199 | This->DriverBindingHandle,\r | |
200 | Controller,\r | |
201 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
202 | );\r | |
203 | \r | |
204 | if (Status == EFI_ALREADY_STARTED) {\r | |
205 | return EFI_SUCCESS;\r | |
206 | } else if (!EFI_ERROR(Status)) {\r | |
af4a6385 | 207 | //\r |
d548f0a1 | 208 | // Check if RemainingDevicePath is NULL or the End of Device Path Node,\r |
209 | // if yes, return EFI_SUCCESS.\r | |
af4a6385 | 210 | //\r |
d548f0a1 | 211 | if ((RemainingDevicePath == NULL) || IsDevicePathEnd (RemainingDevicePath)) {\r |
67f7e376 | 212 | //\r |
213 | // Close protocol regardless of RemainingDevicePath validation\r | |
214 | //\r | |
215 | gBS->CloseProtocol (\r | |
216 | Controller,\r | |
217 | &gEfiExtScsiPassThruProtocolGuid,\r | |
218 | This->DriverBindingHandle,\r | |
219 | Controller\r | |
220 | ); \r | |
d548f0a1 | 221 | return EFI_SUCCESS;\r |
222 | } else {\r | |
223 | //\r | |
224 | // If RemainingDevicePath isn't the End of Device Path Node, check its validation\r | |
225 | //\r | |
226 | Status = ExtPassThru->GetTargetLun (ExtPassThru, RemainingDevicePath, &TargetId, &Lun);\r | |
af4a6385 | 227 | //\r |
d548f0a1 | 228 | // Close protocol regardless of RemainingDevicePath validation\r |
af4a6385 | 229 | //\r |
d548f0a1 | 230 | gBS->CloseProtocol (\r |
231 | Controller,\r | |
232 | &gEfiExtScsiPassThruProtocolGuid,\r | |
233 | This->DriverBindingHandle,\r | |
234 | Controller\r | |
235 | ); \r | |
236 | if (!EFI_ERROR(Status)) {\r | |
237 | return EFI_SUCCESS;\r | |
af4a6385 | 238 | }\r |
239 | }\r | |
240 | }\r | |
241 | \r | |
3a10d471 | 242 | //\r |
d548f0a1 | 243 | // Come here in 2 condition: \r |
244 | // 1. ExtPassThru doesn't exist.\r | |
245 | // 2. ExtPassThru exists but RemainingDevicePath is invalid.\r | |
3a10d471 | 246 | //\r |
247 | Status = gBS->OpenProtocol (\r | |
248 | Controller,\r | |
d548f0a1 | 249 | &gEfiScsiPassThruProtocolGuid,\r |
250 | (VOID **)&PassThru,\r | |
3a10d471 | 251 | This->DriverBindingHandle,\r |
252 | Controller,\r | |
70c94b3b | 253 | EFI_OPEN_PROTOCOL_BY_DRIVER\r |
3a10d471 | 254 | );\r |
d548f0a1 | 255 | \r |
70c94b3b | 256 | if (Status == EFI_ALREADY_STARTED) {\r |
257 | return EFI_SUCCESS;\r | |
258 | }\r | |
d548f0a1 | 259 | \r |
70c94b3b | 260 | if (EFI_ERROR (Status)) {\r |
d548f0a1 | 261 | return Status;\r |
3a10d471 | 262 | }\r |
d548f0a1 | 263 | \r |
af4a6385 | 264 | //\r |
d548f0a1 | 265 | // Test RemainingDevicePath is valid or not.\r |
af4a6385 | 266 | //\r |
d548f0a1 | 267 | if ((RemainingDevicePath != NULL) && !IsDevicePathEnd (RemainingDevicePath)) {\r |
268 | Status = PassThru->GetTargetLun (PassThru, RemainingDevicePath, &ScsiTargetId.ScsiId.Scsi, &Lun);\r | |
269 | }\r | |
270 | \r | |
70c94b3b | 271 | gBS->CloseProtocol (\r |
d548f0a1 | 272 | Controller,\r |
273 | &gEfiScsiPassThruProtocolGuid,\r | |
274 | This->DriverBindingHandle,\r | |
275 | Controller\r | |
276 | );\r | |
277 | return Status;\r | |
3a10d471 | 278 | }\r |
279 | \r | |
9beb888e | 280 | \r |
281 | /**\r | |
282 | Start this driver on ControllerHandle.\r | |
283 | \r | |
284 | This service is called by the EFI boot service ConnectController(). In order\r | |
285 | to make drivers as small as possible, there are a few calling restrictions for\r | |
286 | this service. ConnectController() must follow these calling restrictions. If\r | |
287 | any other agent wishes to call Start() it must also follow these calling\r | |
288 | restrictions.\r | |
289 | \r | |
290 | @param This Protocol instance pointer.\r | |
291 | @param ControllerHandle Handle of device to bind driver to\r | |
292 | @param RemainingDevicePath Optional parameter use to pick a specific child\r | |
293 | device to start.\r | |
294 | \r | |
295 | @retval EFI_SUCCESS This driver is added to ControllerHandle\r | |
296 | @retval EFI_ALREADY_STARTED This driver is already running on ControllerHandle\r | |
297 | @retval other This driver does not support this device\r | |
298 | \r | |
299 | **/\r | |
3a10d471 | 300 | EFI_STATUS\r |
301 | EFIAPI\r | |
302 | SCSIBusDriverBindingStart (\r | |
303 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
304 | IN EFI_HANDLE Controller,\r | |
305 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
306 | )\r | |
3a10d471 | 307 | {\r |
f36d6e66 | 308 | UINT64 Lun;\r |
309 | UINT8 *TargetId;\r | |
310 | BOOLEAN ScanOtherPuns;\r | |
311 | BOOLEAN FromFirstTarget;\r | |
312 | BOOLEAN ExtScsiSupport;\r | |
313 | EFI_STATUS Status;\r | |
314 | EFI_STATUS DevicePathStatus;\r | |
315 | EFI_STATUS PassThruStatus;\r | |
316 | SCSI_BUS_DEVICE *ScsiBusDev;\r | |
d548f0a1 | 317 | SCSI_TARGET_ID ScsiTargetId;\r |
f36d6e66 | 318 | EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath;\r |
319 | EFI_SCSI_PASS_THRU_PROTOCOL *ScsiInterface;\r | |
320 | EFI_EXT_SCSI_PASS_THRU_PROTOCOL *ExtScsiInterface;\r | |
321 | EFI_SCSI_BUS_PROTOCOL *BusIdentify;\r | |
322 | \r | |
323 | TargetId = NULL;\r | |
f36d6e66 | 324 | ScanOtherPuns = TRUE;\r |
70c94b3b | 325 | FromFirstTarget = FALSE;\r |
f36d6e66 | 326 | ExtScsiSupport = FALSE;\r |
327 | PassThruStatus = EFI_SUCCESS;\r | |
9beb888e | 328 | \r |
d548f0a1 | 329 | TargetId = &ScsiTargetId.ScsiId.ExtScsi[0];\r |
330 | SetMem (TargetId, TARGET_MAX_BYTES, 0xFF);\r | |
f36d6e66 | 331 | \r |
332 | DevicePathStatus = gBS->OpenProtocol (\r | |
333 | Controller,\r | |
334 | &gEfiDevicePathProtocolGuid,\r | |
335 | (VOID **) &ParentDevicePath,\r | |
336 | This->DriverBindingHandle,\r | |
337 | Controller,\r | |
338 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
339 | );\r | |
340 | if (EFI_ERROR (DevicePathStatus) && (DevicePathStatus != EFI_ALREADY_STARTED)) {\r | |
341 | return DevicePathStatus;\r | |
3a10d471 | 342 | }\r |
343 | \r | |
37623a5c | 344 | //\r |
345 | // Report Status Code to indicate SCSI bus starts\r | |
346 | //\r | |
347 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
348 | EFI_PROGRESS_CODE,\r | |
349 | (EFI_IO_BUS_SCSI | EFI_IOB_PC_INIT),\r | |
350 | ParentDevicePath\r | |
351 | ); \r | |
352 | \r | |
3a10d471 | 353 | //\r |
f36d6e66 | 354 | // To keep backward compatibility, UEFI ExtPassThru Protocol is supported as well as \r |
355 | // EFI PassThru Protocol. From priority perspective, ExtPassThru Protocol is firstly\r | |
356 | // tried to open on host controller handle. If fails, then PassThru Protocol is tried instead.\r | |
3a10d471 | 357 | //\r |
358 | Status = gBS->OpenProtocol (\r | |
359 | Controller,\r | |
70c94b3b | 360 | &gEfiExtScsiPassThruProtocolGuid,\r |
f36d6e66 | 361 | (VOID **) &ExtScsiInterface,\r |
3a10d471 | 362 | This->DriverBindingHandle,\r |
363 | Controller,\r | |
364 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
365 | );\r | |
f36d6e66 | 366 | //\r |
367 | // Fail to open UEFI ExtendPassThru Protocol, then try to open EFI PassThru Protocol instead.\r | |
368 | //\r | |
369 | if (EFI_ERROR(Status) && (Status != EFI_ALREADY_STARTED)) {\r | |
70c94b3b | 370 | Status = gBS->OpenProtocol (\r |
371 | Controller,\r | |
372 | &gEfiScsiPassThruProtocolGuid,\r | |
f36d6e66 | 373 | (VOID **) &ScsiInterface,\r |
70c94b3b | 374 | This->DriverBindingHandle,\r |
375 | Controller,\r | |
376 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
377 | );\r | |
f36d6e66 | 378 | //\r |
379 | // Fail to open EFI PassThru Protocol, Close the DevicePathProtocol if it is opened by this time.\r | |
380 | //\r | |
381 | if (EFI_ERROR (Status) && (Status != EFI_ALREADY_STARTED)) {\r | |
382 | if (!EFI_ERROR(DevicePathStatus)) {\r | |
383 | gBS->CloseProtocol (\r | |
384 | Controller,\r | |
385 | &gEfiDevicePathProtocolGuid,\r | |
386 | This->DriverBindingHandle,\r | |
387 | Controller\r | |
388 | );\r | |
389 | } \r | |
70c94b3b | 390 | return Status;\r |
f36d6e66 | 391 | } \r |
70c94b3b | 392 | } else {\r |
f36d6e66 | 393 | //\r |
394 | // Succeed to open ExtPassThru Protocol, and meanwhile open PassThru Protocol \r | |
395 | // with BY_DRIVER if it is also present on the handle. The intent is to prevent \r | |
396 | // another SCSI Bus Driver to work on the same host handle.\r | |
397 | //\r | |
398 | ExtScsiSupport = TRUE;\r | |
399 | PassThruStatus = gBS->OpenProtocol (\r | |
400 | Controller,\r | |
401 | &gEfiScsiPassThruProtocolGuid,\r | |
402 | (VOID **) &ScsiInterface,\r | |
403 | This->DriverBindingHandle,\r | |
404 | Controller,\r | |
405 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
406 | );\r | |
70c94b3b | 407 | }\r |
f36d6e66 | 408 | \r |
409 | if (Status != EFI_ALREADY_STARTED) {\r | |
410 | //\r | |
411 | // Go through here means either ExtPassThru or PassThru Protocol is successfully opened\r | |
412 | // on this handle for this time. Then construct Host controller private data.\r | |
413 | //\r | |
414 | ScsiBusDev = NULL;\r | |
415 | ScsiBusDev = AllocateZeroPool(sizeof(SCSI_BUS_DEVICE));\r | |
416 | if (ScsiBusDev == NULL) {\r | |
417 | Status = EFI_OUT_OF_RESOURCES;\r | |
418 | goto ErrorExit;\r | |
419 | }\r | |
420 | ScsiBusDev->Signature = SCSI_BUS_DEVICE_SIGNATURE;\r | |
421 | ScsiBusDev->ExtScsiSupport = ExtScsiSupport;\r | |
422 | ScsiBusDev->DevicePath = ParentDevicePath;\r | |
70c94b3b | 423 | if (ScsiBusDev->ExtScsiSupport) {\r |
f36d6e66 | 424 | ScsiBusDev->ExtScsiInterface = ExtScsiInterface;\r |
70c94b3b | 425 | } else {\r |
f36d6e66 | 426 | ScsiBusDev->ScsiInterface = ScsiInterface; \r |
70c94b3b | 427 | }\r |
f36d6e66 | 428 | \r |
429 | //\r | |
430 | // Install EFI_SCSI_BUS_PROTOCOL to the controller handle, So ScsiBusDev could be\r | |
431 | // retrieved on this controller handle. With ScsiBusDev, we can know which PassThru\r | |
432 | // Protocol is present on the handle, UEFI ExtPassThru Protocol or EFI PassThru Protocol.\r | |
433 | // \r | |
434 | Status = gBS->InstallProtocolInterface (\r | |
435 | &Controller,\r | |
c8ad2d7a | 436 | &gEfiCallerIdGuid,\r |
f36d6e66 | 437 | EFI_NATIVE_INTERFACE,\r |
438 | &ScsiBusDev->BusIdentify\r | |
439 | );\r | |
440 | if (EFI_ERROR (Status)) {\r | |
441 | goto ErrorExit;\r | |
442 | }\r | |
443 | } else {\r | |
444 | //\r | |
445 | // Go through here means Start() is re-invoked again, nothing special is required to do except\r | |
446 | // picking up Host controller private information.\r | |
447 | //\r | |
448 | Status = gBS->OpenProtocol (\r | |
449 | Controller,\r | |
c8ad2d7a | 450 | &gEfiCallerIdGuid,\r |
f36d6e66 | 451 | (VOID **) &BusIdentify,\r |
452 | This->DriverBindingHandle,\r | |
453 | Controller,\r | |
454 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
455 | );\r | |
456 | \r | |
457 | if (EFI_ERROR (Status)) {\r | |
458 | return Status;\r | |
459 | }\r | |
460 | ScsiBusDev = SCSI_BUS_CONTROLLER_DEVICE_FROM_THIS (BusIdentify);\r | |
3a10d471 | 461 | }\r |
462 | \r | |
37623a5c | 463 | //\r |
464 | // Report Status Code to indicate detecting devices on bus\r | |
465 | //\r | |
466 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
467 | EFI_PROGRESS_CODE,\r | |
468 | (EFI_IO_BUS_SCSI | EFI_IOB_PC_DETECT),\r | |
469 | ParentDevicePath\r | |
470 | );\r | |
471 | \r | |
af4a6385 | 472 | Lun = 0;\r |
3a10d471 | 473 | if (RemainingDevicePath == NULL) {\r |
af4a6385 | 474 | //\r |
475 | // If RemainingDevicePath is NULL, \r | |
476 | // must enumerate all SCSI devices anyway\r | |
477 | //\r | |
70c94b3b | 478 | FromFirstTarget = TRUE;\r |
af4a6385 | 479 | } else if (!IsDevicePathEnd (RemainingDevicePath)) {\r |
480 | //\r | |
481 | // If RemainingDevicePath isn't the End of Device Path Node, \r | |
482 | // only scan the specified device by RemainingDevicePath\r | |
483 | //\r | |
70c94b3b | 484 | if (ScsiBusDev->ExtScsiSupport) {\r |
d10a41e6 | 485 | Status = ScsiBusDev->ExtScsiInterface->GetTargetLun (ScsiBusDev->ExtScsiInterface, RemainingDevicePath, &TargetId, &Lun); \r |
70c94b3b | 486 | } else {\r |
d10a41e6 | 487 | Status = ScsiBusDev->ScsiInterface->GetTargetLun (ScsiBusDev->ScsiInterface, RemainingDevicePath, &ScsiTargetId.ScsiId.Scsi, &Lun);\r |
70c94b3b | 488 | }\r |
af4a6385 | 489 | \r |
d10a41e6 | 490 | if (EFI_ERROR (Status)) {\r |
491 | return Status;\r | |
492 | }\r | |
af4a6385 | 493 | } else {\r |
494 | //\r | |
495 | // If RemainingDevicePath is the End of Device Path Node,\r | |
496 | // skip enumerate any device and return EFI_SUCESSS\r | |
497 | // \r | |
498 | ScanOtherPuns = FALSE;\r | |
3a10d471 | 499 | }\r |
500 | \r | |
70c94b3b | 501 | while(ScanOtherPuns) {\r |
502 | if (FromFirstTarget) {\r | |
3a10d471 | 503 | //\r |
504 | // Remaining Device Path is NULL, scan all the possible Puns in the\r | |
505 | // SCSI Channel.\r | |
506 | //\r | |
70c94b3b | 507 | if (ScsiBusDev->ExtScsiSupport) {\r |
508 | Status = ScsiBusDev->ExtScsiInterface->GetNextTargetLun (ScsiBusDev->ExtScsiInterface, &TargetId, &Lun);\r | |
509 | } else {\r | |
d548f0a1 | 510 | Status = ScsiBusDev->ScsiInterface->GetNextDevice (ScsiBusDev->ScsiInterface, &ScsiTargetId.ScsiId.Scsi, &Lun);\r |
70c94b3b | 511 | }\r |
3a10d471 | 512 | if (EFI_ERROR (Status)) {\r |
513 | //\r | |
514 | // no legal Pun and Lun found any more\r | |
515 | //\r | |
516 | break;\r | |
517 | }\r | |
518 | } else {\r | |
3a10d471 | 519 | ScanOtherPuns = FALSE;\r |
520 | }\r | |
3a10d471 | 521 | //\r |
522 | // Avoid creating handle for the host adapter.\r | |
523 | //\r | |
70c94b3b | 524 | if (ScsiBusDev->ExtScsiSupport) {\r |
d548f0a1 | 525 | if ((ScsiTargetId.ScsiId.Scsi) == ScsiBusDev->ExtScsiInterface->Mode->AdapterId) {\r |
70c94b3b | 526 | continue;\r |
527 | }\r | |
528 | } else {\r | |
d548f0a1 | 529 | if ((ScsiTargetId.ScsiId.Scsi) == ScsiBusDev->ScsiInterface->Mode->AdapterId) {\r |
70c94b3b | 530 | continue;\r |
531 | }\r | |
3a10d471 | 532 | }\r |
3a10d471 | 533 | //\r |
534 | // Scan for the scsi device, if it attaches to the scsi bus,\r | |
535 | // then create handle and install scsi i/o protocol.\r | |
536 | //\r | |
d548f0a1 | 537 | Status = ScsiScanCreateDevice (This, Controller, &ScsiTargetId, Lun, ScsiBusDev);\r |
3a10d471 | 538 | }\r |
f36d6e66 | 539 | return EFI_SUCCESS;\r |
9b38ff34 | 540 | \r |
f36d6e66 | 541 | ErrorExit:\r |
542 | \r | |
543 | if (ScsiBusDev != NULL) {\r | |
9b38ff34 | 544 | FreePool (ScsiBusDev);\r |
f36d6e66 | 545 | }\r |
546 | \r | |
547 | if (ExtScsiSupport) {\r | |
548 | gBS->CloseProtocol (\r | |
549 | Controller,\r | |
550 | &gEfiExtScsiPassThruProtocolGuid,\r | |
551 | This->DriverBindingHandle,\r | |
552 | Controller\r | |
553 | );\r | |
554 | if (!EFI_ERROR (PassThruStatus)) {\r | |
555 | gBS->CloseProtocol (\r | |
556 | Controller,\r | |
557 | &gEfiScsiPassThruProtocolGuid,\r | |
558 | This->DriverBindingHandle,\r | |
559 | Controller\r | |
560 | );\r | |
561 | }\r | |
562 | } else {\r | |
563 | gBS->CloseProtocol (\r | |
564 | Controller,\r | |
565 | &gEfiScsiPassThruProtocolGuid,\r | |
566 | This->DriverBindingHandle,\r | |
567 | Controller\r | |
568 | );\r | |
569 | }\r | |
3a10d471 | 570 | return Status;\r |
571 | }\r | |
572 | \r | |
9beb888e | 573 | /**\r |
574 | Stop this driver on ControllerHandle.\r | |
575 | \r | |
576 | This service is called by the EFI boot service DisconnectController().\r | |
577 | In order to make drivers as small as possible, there are a few calling\r | |
578 | restrictions for this service. DisconnectController() must follow these\r | |
579 | calling restrictions. If any other agent wishes to call Stop() it must also\r | |
580 | follow these calling restrictions.\r | |
581 | \r | |
582 | @param This Protocol instance pointer.\r | |
583 | @param ControllerHandle Handle of device to stop driver on\r | |
584 | @param NumberOfChildren Number of Handles in ChildHandleBuffer. If number of\r | |
585 | children is zero stop the entire bus driver.\r | |
586 | @param ChildHandleBuffer List of Child Handles to Stop.\r | |
587 | \r | |
588 | @retval EFI_SUCCESS This driver is removed ControllerHandle\r | |
589 | @retval other This driver was not removed from this device\r | |
590 | \r | |
591 | **/\r | |
3a10d471 | 592 | EFI_STATUS\r |
593 | EFIAPI\r | |
594 | SCSIBusDriverBindingStop (\r | |
595 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
596 | IN EFI_HANDLE Controller,\r | |
597 | IN UINTN NumberOfChildren,\r | |
598 | IN EFI_HANDLE *ChildHandleBuffer\r | |
599 | )\r | |
3a10d471 | 600 | {\r |
601 | EFI_STATUS Status;\r | |
602 | BOOLEAN AllChildrenStopped;\r | |
603 | UINTN Index;\r | |
604 | EFI_SCSI_IO_PROTOCOL *ScsiIo;\r | |
605 | SCSI_IO_DEV *ScsiIoDevice;\r | |
70c94b3b | 606 | VOID *ScsiPassThru;\r |
607 | EFI_SCSI_BUS_PROTOCOL *Scsidentifier;\r | |
608 | SCSI_BUS_DEVICE *ScsiBusDev;\r | |
3a10d471 | 609 | \r |
610 | if (NumberOfChildren == 0) {\r | |
70c94b3b | 611 | //\r |
612 | // Get the SCSI_BUS_DEVICE\r | |
613 | //\r | |
614 | Status = gBS->OpenProtocol (\r | |
615 | Controller,\r | |
c8ad2d7a | 616 | &gEfiCallerIdGuid,\r |
70c94b3b | 617 | (VOID **) &Scsidentifier,\r |
618 | This->DriverBindingHandle,\r | |
619 | Controller,\r | |
620 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
621 | );\r | |
c52fa98c | 622 | \r |
70c94b3b | 623 | if (EFI_ERROR (Status)) {\r |
624 | return EFI_DEVICE_ERROR;\r | |
625 | }\r | |
626 | \r | |
627 | ScsiBusDev = SCSI_BUS_CONTROLLER_DEVICE_FROM_THIS (Scsidentifier);\r | |
628 | \r | |
629 | //\r | |
630 | // Uninstall SCSI Bus Protocol\r | |
631 | //\r | |
632 | gBS->UninstallProtocolInterface (\r | |
633 | Controller,\r | |
c8ad2d7a | 634 | &gEfiCallerIdGuid,\r |
70c94b3b | 635 | &ScsiBusDev->BusIdentify\r |
636 | );\r | |
c52fa98c | 637 | \r |
3a10d471 | 638 | //\r |
639 | // Close the bus driver\r | |
640 | //\r | |
70c94b3b | 641 | if (ScsiBusDev->ExtScsiSupport) {\r |
1e5914b5 | 642 | //\r |
643 | // Close ExtPassThru Protocol from this controller handle\r | |
644 | //\r | |
70c94b3b | 645 | gBS->CloseProtocol (\r |
646 | Controller,\r | |
647 | &gEfiExtScsiPassThruProtocolGuid,\r | |
648 | This->DriverBindingHandle,\r | |
649 | Controller\r | |
650 | );\r | |
1e5914b5 | 651 | //\r |
652 | // When Start() succeeds to open ExtPassThru, it always tries to open PassThru BY_DRIVER.\r | |
653 | // Its intent is to prevent another SCSI Bus Driver from woking on the same host handle. \r | |
654 | // So Stop() needs to try to close PassThru if present here.\r | |
655 | //\r | |
656 | gBS->CloseProtocol (\r | |
657 | Controller,\r | |
658 | &gEfiScsiPassThruProtocolGuid,\r | |
659 | This->DriverBindingHandle,\r | |
660 | Controller\r | |
661 | );\r | |
70c94b3b | 662 | } else {\r |
663 | gBS->CloseProtocol (\r | |
664 | Controller,\r | |
665 | &gEfiScsiPassThruProtocolGuid,\r | |
666 | This->DriverBindingHandle,\r | |
667 | Controller\r | |
668 | );\r | |
669 | }\r | |
3a10d471 | 670 | \r |
70c94b3b | 671 | gBS->CloseProtocol (\r |
672 | Controller,\r | |
673 | &gEfiDevicePathProtocolGuid,\r | |
674 | This->DriverBindingHandle,\r | |
675 | Controller\r | |
676 | );\r | |
6c94a00d | 677 | FreePool (ScsiBusDev);\r |
3a10d471 | 678 | return EFI_SUCCESS;\r |
679 | }\r | |
680 | \r | |
681 | AllChildrenStopped = TRUE;\r | |
682 | \r | |
683 | for (Index = 0; Index < NumberOfChildren; Index++) {\r | |
684 | \r | |
685 | Status = gBS->OpenProtocol (\r | |
686 | ChildHandleBuffer[Index],\r | |
687 | &gEfiScsiIoProtocolGuid,\r | |
688 | (VOID **) &ScsiIo,\r | |
689 | This->DriverBindingHandle,\r | |
690 | Controller,\r | |
691 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
692 | );\r | |
693 | if (EFI_ERROR (Status)) {\r | |
694 | AllChildrenStopped = FALSE;\r | |
695 | continue;\r | |
696 | }\r | |
697 | \r | |
698 | ScsiIoDevice = SCSI_IO_DEV_FROM_THIS (ScsiIo);\r | |
699 | //\r | |
700 | // Close the child handle\r | |
701 | //\r | |
70c94b3b | 702 | if (ScsiIoDevice->ExtScsiSupport) {\r |
703 | Status = gBS->CloseProtocol (\r | |
704 | Controller,\r | |
705 | &gEfiExtScsiPassThruProtocolGuid,\r | |
706 | This->DriverBindingHandle,\r | |
707 | ChildHandleBuffer[Index]\r | |
708 | );\r | |
709 | \r | |
710 | } else {\r | |
711 | Status = gBS->CloseProtocol (\r | |
712 | Controller,\r | |
713 | &gEfiScsiPassThruProtocolGuid,\r | |
714 | This->DriverBindingHandle,\r | |
715 | ChildHandleBuffer[Index]\r | |
716 | );\r | |
717 | }\r | |
3a10d471 | 718 | \r |
719 | Status = gBS->UninstallMultipleProtocolInterfaces (\r | |
720 | ChildHandleBuffer[Index],\r | |
721 | &gEfiDevicePathProtocolGuid,\r | |
722 | ScsiIoDevice->DevicePath,\r | |
723 | &gEfiScsiIoProtocolGuid,\r | |
724 | &ScsiIoDevice->ScsiIo,\r | |
725 | NULL\r | |
726 | );\r | |
727 | if (EFI_ERROR (Status)) {\r | |
728 | AllChildrenStopped = FALSE;\r | |
70c94b3b | 729 | if (ScsiIoDevice->ExtScsiSupport) {\r |
730 | gBS->OpenProtocol (\r | |
731 | Controller,\r | |
732 | &gEfiExtScsiPassThruProtocolGuid,\r | |
84b5c78e | 733 | &ScsiPassThru,\r |
70c94b3b | 734 | This->DriverBindingHandle,\r |
735 | ChildHandleBuffer[Index],\r | |
736 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r | |
737 | );\r | |
738 | } else {\r | |
739 | gBS->OpenProtocol (\r | |
740 | Controller,\r | |
741 | &gEfiScsiPassThruProtocolGuid,\r | |
84b5c78e | 742 | &ScsiPassThru,\r |
70c94b3b | 743 | This->DriverBindingHandle,\r |
744 | ChildHandleBuffer[Index],\r | |
745 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r | |
746 | );\r | |
747 | }\r | |
3a10d471 | 748 | } else {\r |
6c94a00d | 749 | FreePool (ScsiIoDevice);\r |
3a10d471 | 750 | }\r |
751 | }\r | |
752 | \r | |
753 | if (!AllChildrenStopped) {\r | |
754 | return EFI_DEVICE_ERROR;\r | |
755 | }\r | |
756 | \r | |
757 | return EFI_SUCCESS;\r | |
758 | }\r | |
759 | \r | |
9beb888e | 760 | \r |
761 | /**\r | |
762 | Retrieves the device type information of the SCSI Controller.\r | |
763 | \r | |
764 | @param This Protocol instance pointer.\r | |
765 | @param DeviceType A pointer to the device type information retrieved from\r | |
766 | the SCSI Controller. \r | |
767 | \r | |
768 | @retval EFI_SUCCESS Retrieves the device type information successfully.\r | |
769 | @retval EFI_INVALID_PARAMETER The DeviceType is NULL.\r | |
770 | \r | |
771 | **/\r | |
3a10d471 | 772 | EFI_STATUS\r |
773 | EFIAPI\r | |
774 | ScsiGetDeviceType (\r | |
775 | IN EFI_SCSI_IO_PROTOCOL *This,\r | |
776 | OUT UINT8 *DeviceType\r | |
777 | )\r | |
3a10d471 | 778 | {\r |
779 | SCSI_IO_DEV *ScsiIoDevice;\r | |
780 | \r | |
781 | if (DeviceType == NULL) {\r | |
782 | return EFI_INVALID_PARAMETER;\r | |
783 | }\r | |
784 | \r | |
785 | ScsiIoDevice = SCSI_IO_DEV_FROM_THIS (This);\r | |
786 | *DeviceType = ScsiIoDevice->ScsiDeviceType;\r | |
787 | return EFI_SUCCESS;\r | |
788 | }\r | |
789 | \r | |
9beb888e | 790 | \r |
791 | /**\r | |
792 | Retrieves the device location in the SCSI channel.\r | |
793 | \r | |
794 | @param This Protocol instance pointer.\r | |
795 | @param Target A pointer to the Target ID of a SCSI device\r | |
796 | on the SCSI channel.\r | |
797 | @param Lun A pointer to the LUN of the SCSI device on\r | |
798 | the SCSI channel.\r | |
799 | \r | |
800 | @retval EFI_SUCCESS Retrieves the device location successfully.\r | |
801 | @retval EFI_INVALID_PARAMETER The Target or Lun is NULL.\r | |
802 | \r | |
803 | **/\r | |
3a10d471 | 804 | EFI_STATUS\r |
805 | EFIAPI\r | |
806 | ScsiGetDeviceLocation (\r | |
807 | IN EFI_SCSI_IO_PROTOCOL *This,\r | |
70c94b3b | 808 | IN OUT UINT8 **Target,\r |
3a10d471 | 809 | OUT UINT64 *Lun\r |
810 | )\r | |
3a10d471 | 811 | {\r |
812 | SCSI_IO_DEV *ScsiIoDevice;\r | |
813 | \r | |
814 | if (Target == NULL || Lun == NULL) {\r | |
815 | return EFI_INVALID_PARAMETER;\r | |
816 | }\r | |
817 | \r | |
f36d6e66 | 818 | ScsiIoDevice = SCSI_IO_DEV_FROM_THIS (This);\r |
3a10d471 | 819 | \r |
70c94b3b | 820 | CopyMem (*Target,&ScsiIoDevice->Pun, TARGET_MAX_BYTES);\r |
821 | \r | |
f36d6e66 | 822 | *Lun = ScsiIoDevice->Lun;\r |
3a10d471 | 823 | \r |
824 | return EFI_SUCCESS;\r | |
825 | }\r | |
826 | \r | |
9beb888e | 827 | /**\r |
828 | Resets the SCSI Bus that the SCSI Controller is attached to.\r | |
829 | \r | |
830 | @param This Protocol instance pointer.\r | |
831 | \r | |
832 | @retval EFI_SUCCESS The SCSI bus is reset successfully.\r | |
833 | @retval EFI_DEVICE_ERROR Errors encountered when resetting the SCSI bus.\r | |
834 | @retval EFI_UNSUPPORTED The bus reset operation is not supported by the\r | |
835 | SCSI Host Controller.\r | |
836 | @retval EFI_TIMEOUT A timeout occurred while attempting to reset \r | |
837 | the SCSI bus.\r | |
838 | **/\r | |
3a10d471 | 839 | EFI_STATUS\r |
840 | EFIAPI\r | |
841 | ScsiResetBus (\r | |
842 | IN EFI_SCSI_IO_PROTOCOL *This\r | |
843 | )\r | |
3a10d471 | 844 | {\r |
845 | SCSI_IO_DEV *ScsiIoDevice;\r | |
846 | \r | |
847 | ScsiIoDevice = SCSI_IO_DEV_FROM_THIS (This);\r | |
848 | \r | |
37623a5c | 849 | //\r |
850 | // Report Status Code to indicate reset happens\r | |
851 | //\r | |
852 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
853 | EFI_PROGRESS_CODE,\r | |
854 | (EFI_IO_BUS_ATA_ATAPI | EFI_IOB_PC_RESET),\r | |
855 | ScsiIoDevice->ScsiBusDeviceData->DevicePath\r | |
856 | );\r | |
857 | \r | |
70c94b3b | 858 | if (ScsiIoDevice->ExtScsiSupport){\r |
859 | return ScsiIoDevice->ExtScsiPassThru->ResetChannel (ScsiIoDevice->ExtScsiPassThru);\r | |
860 | } else {\r | |
861 | return ScsiIoDevice->ScsiPassThru->ResetChannel (ScsiIoDevice->ScsiPassThru);\r | |
862 | }\r | |
3a10d471 | 863 | }\r |
864 | \r | |
9beb888e | 865 | \r |
866 | /**\r | |
867 | Resets the SCSI Controller that the device handle specifies.\r | |
868 | \r | |
869 | @param This Protocol instance pointer.\r | |
870 | \r | |
871 | @retval EFI_SUCCESS Reset the SCSI controller successfully.\r | |
872 | @retval EFI_DEVICE_ERROR Errors are encountered when resetting the SCSI Controller.\r | |
873 | @retval EFI_UNSUPPORTED The SCSI bus does not support a device reset operation.\r | |
874 | @retval EFI_TIMEOUT A timeout occurred while attempting to reset the\r | |
875 | SCSI Controller.\r | |
876 | **/\r | |
3a10d471 | 877 | EFI_STATUS\r |
878 | EFIAPI\r | |
879 | ScsiResetDevice (\r | |
880 | IN EFI_SCSI_IO_PROTOCOL *This\r | |
881 | )\r | |
3a10d471 | 882 | {\r |
f36d6e66 | 883 | SCSI_IO_DEV *ScsiIoDevice;\r |
70c94b3b | 884 | UINT8 Target[TARGET_MAX_BYTES];\r |
3a10d471 | 885 | \r |
886 | ScsiIoDevice = SCSI_IO_DEV_FROM_THIS (This);\r | |
37623a5c | 887 | \r |
888 | //\r | |
889 | // Report Status Code to indicate reset happens\r | |
890 | //\r | |
891 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
892 | EFI_PROGRESS_CODE,\r | |
893 | (EFI_IO_BUS_ATA_ATAPI | EFI_IOB_PC_RESET),\r | |
894 | ScsiIoDevice->ScsiBusDeviceData->DevicePath\r | |
895 | );\r | |
896 | \r | |
70c94b3b | 897 | CopyMem (Target,&ScsiIoDevice->Pun, TARGET_MAX_BYTES);\r |
898 | \r | |
3a10d471 | 899 | \r |
70c94b3b | 900 | if (ScsiIoDevice->ExtScsiSupport) {\r |
901 | return ScsiIoDevice->ExtScsiPassThru->ResetTargetLun (\r | |
902 | ScsiIoDevice->ExtScsiPassThru,\r | |
903 | Target,\r | |
904 | ScsiIoDevice->Lun\r | |
905 | );\r | |
906 | } else {\r | |
907 | return ScsiIoDevice->ScsiPassThru->ResetTarget (\r | |
908 | ScsiIoDevice->ScsiPassThru,\r | |
909 | ScsiIoDevice->Pun.ScsiId.Scsi,\r | |
910 | ScsiIoDevice->Lun\r | |
911 | );\r | |
912 | }\r | |
3a10d471 | 913 | }\r |
914 | \r | |
f36d6e66 | 915 | \r |
9beb888e | 916 | /**\r |
f36d6e66 | 917 | Sends a SCSI Request Packet to the SCSI Controller for execution.\r |
f36d6e66 | 918 | \r |
9beb888e | 919 | @param This Protocol instance pointer.\r |
920 | @param CommandPacket The SCSI request packet to send to the SCSI \r | |
f36d6e66 | 921 | Controller specified by the device handle.\r |
9beb888e | 922 | @param Event If the SCSI bus where the SCSI device is attached\r |
f36d6e66 | 923 | does not support non-blocking I/O, then Event is \r |
924 | ignored, and blocking I/O is performed. \r | |
925 | If Event is NULL, then blocking I/O is performed.\r | |
926 | If Event is not NULL and non-blocking I/O is \r | |
927 | supported, then non-blocking I/O is performed,\r | |
928 | and Event will be signaled when the SCSI Request\r | |
929 | Packet completes.\r | |
9beb888e | 930 | \r |
931 | @retval EFI_SUCCESS The SCSI Request Packet was sent by the host \r | |
932 | successfully, and TransferLength bytes were \r | |
933 | transferred to/from DataBuffer.See \r | |
934 | HostAdapterStatus, TargetStatus, \r | |
935 | SenseDataLength, and SenseData in that order\r | |
936 | for additional status information.\r | |
937 | @retval EFI_BAD_BUFFER_SIZE The SCSI Request Packet was executed, \r | |
938 | but the entire DataBuffer could not be transferred.\r | |
939 | The actual number of bytes transferred is returned\r | |
940 | in TransferLength. See HostAdapterStatus, \r | |
941 | TargetStatus, SenseDataLength, and SenseData in \r | |
942 | that order for additional status information.\r | |
943 | @retval EFI_NOT_READY The SCSI Request Packet could not be sent because \r | |
944 | there are too many SCSI Command Packets already \r | |
945 | queued.The caller may retry again later.\r | |
946 | @retval EFI_DEVICE_ERROR A device error occurred while attempting to send \r | |
947 | the SCSI Request Packet. See HostAdapterStatus, \r | |
948 | TargetStatus, SenseDataLength, and SenseData in \r | |
949 | that order for additional status information.\r | |
950 | @retval EFI_INVALID_PARAMETER The contents of CommandPacket are invalid. \r | |
951 | The SCSI Request Packet was not sent, so no \r | |
952 | additional status information is available.\r | |
953 | @retval EFI_UNSUPPORTED The command described by the SCSI Request Packet\r | |
954 | is not supported by the SCSI initiator(i.e., SCSI \r | |
955 | Host Controller). The SCSI Request Packet was not\r | |
956 | sent, so no additional status information is \r | |
957 | available.\r | |
958 | @retval EFI_TIMEOUT A timeout occurred while waiting for the SCSI \r | |
959 | Request Packet to execute. See HostAdapterStatus,\r | |
960 | TargetStatus, SenseDataLength, and SenseData in \r | |
961 | that order for additional status information.\r | |
962 | **/\r | |
963 | EFI_STATUS\r | |
964 | EFIAPI\r | |
965 | ScsiExecuteSCSICommand (\r | |
966 | IN EFI_SCSI_IO_PROTOCOL *This,\r | |
967 | IN OUT EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet,\r | |
968 | IN EFI_EVENT Event OPTIONAL\r | |
969 | )\r | |
3a10d471 | 970 | {\r |
f36d6e66 | 971 | SCSI_IO_DEV *ScsiIoDevice;\r |
972 | EFI_STATUS Status;\r | |
70c94b3b | 973 | UINT8 Target[TARGET_MAX_BYTES];\r |
974 | EFI_EVENT PacketEvent;\r | |
975 | EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *ExtRequestPacket;\r | |
f36d6e66 | 976 | SCSI_EVENT_DATA EventData; \r |
3a10d471 | 977 | \r |
70c94b3b | 978 | PacketEvent = NULL;\r |
f36d6e66 | 979 | \r |
3a10d471 | 980 | if (Packet == NULL) {\r |
981 | return EFI_INVALID_PARAMETER;\r | |
982 | }\r | |
983 | \r | |
984 | ScsiIoDevice = SCSI_IO_DEV_FROM_THIS (This);\r | |
70c94b3b | 985 | CopyMem (Target,&ScsiIoDevice->Pun, TARGET_MAX_BYTES);\r |
c52fa98c | 986 | \r |
70c94b3b | 987 | if (ScsiIoDevice->ExtScsiSupport) {\r |
988 | ExtRequestPacket = (EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *) Packet;\r | |
989 | Status = ScsiIoDevice->ExtScsiPassThru->PassThru (\r | |
990 | ScsiIoDevice->ExtScsiPassThru,\r | |
991 | Target,\r | |
992 | ScsiIoDevice->Lun,\r | |
993 | ExtRequestPacket,\r | |
994 | Event\r | |
995 | );\r | |
996 | } else {\r | |
3a10d471 | 997 | \r |
9b38ff34 | 998 | mWorkingBuffer = AllocatePool (sizeof(EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET));\r |
3a10d471 | 999 | \r |
9b38ff34 | 1000 | if (mWorkingBuffer == NULL) {\r |
70c94b3b | 1001 | return EFI_DEVICE_ERROR;\r |
1002 | }\r | |
1003 | \r | |
1004 | //\r | |
c52fa98c | 1005 | // Convert package into EFI1.0, EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET.\r |
70c94b3b | 1006 | //\r |
9beb888e | 1007 | Status = ScsiioToPassThruPacket(Packet, (EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET*)mWorkingBuffer);\r |
70c94b3b | 1008 | if (EFI_ERROR(Status)) {\r |
9beb888e | 1009 | FreePool(mWorkingBuffer);\r |
70c94b3b | 1010 | return Status;\r |
1011 | }\r | |
1012 | \r | |
7077edb3 | 1013 | if (((ScsiIoDevice->ScsiPassThru->Mode->Attributes & EFI_SCSI_PASS_THRU_ATTRIBUTES_NONBLOCKIO) != 0) && (Event != NULL)) {\r |
70c94b3b | 1014 | EventData.Data1 = (VOID*)Packet;\r |
1015 | EventData.Data2 = Event;\r | |
1016 | //\r | |
1017 | // Create Event\r | |
1018 | //\r | |
1019 | Status = gBS->CreateEvent (\r | |
1020 | EVT_NOTIFY_SIGNAL,\r | |
1021 | TPL_CALLBACK,\r | |
1022 | NotifyFunction,\r | |
1023 | &EventData,\r | |
1024 | &PacketEvent\r | |
1025 | );\r | |
1026 | if (EFI_ERROR(Status)) {\r | |
9beb888e | 1027 | FreePool(mWorkingBuffer);\r |
70c94b3b | 1028 | return Status;\r |
1029 | }\r | |
c52fa98c | 1030 | \r |
70c94b3b | 1031 | Status = ScsiIoDevice->ScsiPassThru->PassThru (\r |
1032 | ScsiIoDevice->ScsiPassThru,\r | |
1033 | ScsiIoDevice->Pun.ScsiId.Scsi,\r | |
1034 | ScsiIoDevice->Lun,\r | |
9beb888e | 1035 | mWorkingBuffer,\r |
70c94b3b | 1036 | PacketEvent\r |
1037 | );\r | |
1038 | \r | |
1039 | if (EFI_ERROR(Status)) {\r | |
9b38ff34 | 1040 | FreePool(mWorkingBuffer);\r |
70c94b3b | 1041 | gBS->CloseEvent(PacketEvent);\r |
1042 | return Status;\r | |
1043 | }\r | |
c52fa98c | 1044 | \r |
70c94b3b | 1045 | } else {\r |
1046 | //\r | |
1047 | // If there's no event or SCSI Device doesn't support NON-BLOCKING, just convert\r | |
1048 | // EFI1.0 PassThru packet back to UEFI2.0 SCSI IO Packet.\r | |
1049 | //\r | |
1050 | Status = ScsiIoDevice->ScsiPassThru->PassThru (\r | |
1051 | ScsiIoDevice->ScsiPassThru,\r | |
1052 | ScsiIoDevice->Pun.ScsiId.Scsi,\r | |
1053 | ScsiIoDevice->Lun,\r | |
9beb888e | 1054 | mWorkingBuffer,\r |
70c94b3b | 1055 | Event\r |
1056 | );\r | |
1057 | if (EFI_ERROR(Status)) {\r | |
9beb888e | 1058 | FreePool(mWorkingBuffer);\r |
70c94b3b | 1059 | return Status;\r |
1060 | }\r | |
1061 | \r | |
9beb888e | 1062 | PassThruToScsiioPacket((EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET*)mWorkingBuffer,Packet);\r |
70c94b3b | 1063 | //\r |
1064 | // After converting EFI1.0 PassThru Packet back to UEFI2.0 SCSI IO Packet,\r | |
9beb888e | 1065 | // free mWorkingBuffer.\r |
70c94b3b | 1066 | //\r |
9beb888e | 1067 | FreePool(mWorkingBuffer);\r |
70c94b3b | 1068 | }\r |
1069 | }\r | |
3a10d471 | 1070 | return Status;\r |
1071 | }\r | |
1072 | \r | |
3a10d471 | 1073 | \r |
9beb888e | 1074 | /**\r |
70c94b3b | 1075 | Scan SCSI Bus to discover the device, and attach ScsiIoProtocol to it.\r |
3a10d471 | 1076 | \r |
9beb888e | 1077 | @param This Protocol instance pointer\r |
1078 | @param Controller Controller handle\r | |
1079 | @param TargetId Tartget to be scanned\r | |
1080 | @param Lun The Lun of the SCSI device on the SCSI channel.\r | |
1081 | @param ScsiBusDev The pointer of SCSI_BUS_DEVICE\r | |
3a10d471 | 1082 | \r |
9beb888e | 1083 | @retval EFI_SUCCESS Successfully to discover the device and attach\r |
1084 | ScsiIoProtocol to it.\r | |
1085 | @retval EFI_OUT_OF_RESOURCES Fail to discover the device.\r | |
3a10d471 | 1086 | \r |
9beb888e | 1087 | **/\r |
1088 | EFI_STATUS\r | |
1089 | EFIAPI\r | |
1090 | ScsiScanCreateDevice (\r | |
1091 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
1092 | IN EFI_HANDLE Controller,\r | |
1093 | IN SCSI_TARGET_ID *TargetId,\r | |
1094 | IN UINT64 Lun,\r | |
1095 | IN OUT SCSI_BUS_DEVICE *ScsiBusDev\r | |
1096 | )\r | |
3a10d471 | 1097 | {\r |
1098 | EFI_STATUS Status;\r | |
1099 | SCSI_IO_DEV *ScsiIoDevice;\r | |
1100 | EFI_DEVICE_PATH_PROTOCOL *ScsiDevicePath;\r | |
cbd2a4b3 | 1101 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r |
1102 | EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath;\r | |
1103 | EFI_HANDLE DeviceHandle;\r | |
1104 | \r | |
1105 | DevicePath = NULL;\r | |
1106 | RemainingDevicePath = NULL;\r | |
1107 | ScsiDevicePath = NULL;\r | |
1108 | ScsiIoDevice = NULL;\r | |
1109 | \r | |
1110 | //\r | |
1111 | // Build Device Path\r | |
1112 | //\r | |
1113 | if (ScsiBusDev->ExtScsiSupport){\r | |
1114 | Status = ScsiBusDev->ExtScsiInterface->BuildDevicePath (\r | |
1115 | ScsiBusDev->ExtScsiInterface,\r | |
1116 | &TargetId->ScsiId.ExtScsi[0],\r | |
1117 | Lun,\r | |
1118 | &ScsiDevicePath\r | |
1119 | );\r | |
1120 | } else {\r | |
e7c2a83b | 1121 | Status = ScsiBusDev->ScsiInterface->BuildDevicePath (\r |
1122 | ScsiBusDev->ScsiInterface,\r | |
1123 | TargetId->ScsiId.Scsi,\r | |
1124 | Lun,\r | |
1125 | &ScsiDevicePath\r | |
1126 | );\r | |
cbd2a4b3 | 1127 | }\r |
1128 | \r | |
1129 | if (EFI_ERROR(Status)) {\r | |
1130 | return Status;\r | |
1131 | }\r | |
1132 | \r | |
1133 | DevicePath = AppendDevicePathNode (\r | |
1134 | ScsiBusDev->DevicePath,\r | |
1135 | ScsiDevicePath\r | |
1136 | );\r | |
1137 | \r | |
1138 | if (DevicePath == NULL) {\r | |
1139 | Status = EFI_OUT_OF_RESOURCES;\r | |
1140 | goto ErrorExit;\r | |
1141 | }\r | |
1142 | \r | |
1143 | DeviceHandle = NULL;\r | |
1144 | RemainingDevicePath = DevicePath;\r | |
1145 | Status = gBS->LocateDevicePath (&gEfiDevicePathProtocolGuid, &RemainingDevicePath, &DeviceHandle);\r | |
1146 | if (!EFI_ERROR (Status) && (DeviceHandle != NULL) && IsDevicePathEnd(RemainingDevicePath)) {\r | |
1147 | //\r | |
1148 | // The device has been started, directly return to fast boot.\r | |
1149 | //\r | |
1150 | Status = EFI_ALREADY_STARTED;\r | |
1151 | goto ErrorExit;\r | |
1152 | }\r | |
3a10d471 | 1153 | \r |
9beb888e | 1154 | ScsiIoDevice = AllocateZeroPool (sizeof (SCSI_IO_DEV));\r |
1155 | if (ScsiIoDevice == NULL) {\r | |
cbd2a4b3 | 1156 | Status = EFI_OUT_OF_RESOURCES;\r |
1157 | goto ErrorExit;\r | |
3a10d471 | 1158 | }\r |
1159 | \r | |
3a10d471 | 1160 | ScsiIoDevice->Signature = SCSI_IO_DEV_SIGNATURE;\r |
37623a5c | 1161 | ScsiIoDevice->ScsiBusDeviceData = ScsiBusDev;\r |
70c94b3b | 1162 | CopyMem(&ScsiIoDevice->Pun, TargetId, TARGET_MAX_BYTES);\r |
3a10d471 | 1163 | ScsiIoDevice->Lun = Lun;\r |
1164 | \r | |
70c94b3b | 1165 | if (ScsiBusDev->ExtScsiSupport) {\r |
1166 | ScsiIoDevice->ExtScsiPassThru = ScsiBusDev->ExtScsiInterface;\r | |
1167 | ScsiIoDevice->ExtScsiSupport = TRUE;\r | |
1168 | ScsiIoDevice->ScsiIo.IoAlign = ScsiIoDevice->ExtScsiPassThru->Mode->IoAlign;\r | |
1169 | \r | |
1170 | } else {\r | |
1171 | ScsiIoDevice->ScsiPassThru = ScsiBusDev->ScsiInterface;\r | |
1172 | ScsiIoDevice->ExtScsiSupport = FALSE;\r | |
1173 | ScsiIoDevice->ScsiIo.IoAlign = ScsiIoDevice->ScsiPassThru->Mode->IoAlign;\r | |
1174 | }\r | |
1175 | \r | |
3a10d471 | 1176 | ScsiIoDevice->ScsiIo.GetDeviceType = ScsiGetDeviceType;\r |
70c94b3b | 1177 | ScsiIoDevice->ScsiIo.GetDeviceLocation = ScsiGetDeviceLocation;\r |
3a10d471 | 1178 | ScsiIoDevice->ScsiIo.ResetBus = ScsiResetBus;\r |
1179 | ScsiIoDevice->ScsiIo.ResetDevice = ScsiResetDevice;\r | |
24e734d2 | 1180 | ScsiIoDevice->ScsiIo.ExecuteScsiCommand = ScsiExecuteSCSICommand;\r |
3a10d471 | 1181 | \r |
37623a5c | 1182 | //\r |
1183 | // Report Status Code here since the new SCSI device will be discovered\r | |
1184 | //\r | |
1185 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
1186 | EFI_PROGRESS_CODE,\r | |
1187 | (EFI_IO_BUS_SCSI | EFI_IOB_PC_ENABLE),\r | |
1188 | ScsiBusDev->DevicePath\r | |
1189 | );\r | |
1190 | \r | |
3a10d471 | 1191 | if (!DiscoverScsiDevice (ScsiIoDevice)) {\r |
cbd2a4b3 | 1192 | Status = EFI_OUT_OF_RESOURCES;\r |
1193 | goto ErrorExit;\r | |
3a10d471 | 1194 | }\r |
70c94b3b | 1195 | \r |
cbd2a4b3 | 1196 | ScsiIoDevice->DevicePath = DevicePath;\r |
c52fa98c | 1197 | \r |
3a10d471 | 1198 | Status = gBS->InstallMultipleProtocolInterfaces (\r |
1199 | &ScsiIoDevice->Handle,\r | |
1200 | &gEfiDevicePathProtocolGuid,\r | |
1201 | ScsiIoDevice->DevicePath,\r | |
1202 | &gEfiScsiIoProtocolGuid,\r | |
1203 | &ScsiIoDevice->ScsiIo,\r | |
1204 | NULL\r | |
1205 | );\r | |
1206 | if (EFI_ERROR (Status)) {\r | |
cbd2a4b3 | 1207 | goto ErrorExit;\r |
3a10d471 | 1208 | } else {\r |
70c94b3b | 1209 | if (ScsiBusDev->ExtScsiSupport) {\r |
1210 | gBS->OpenProtocol (\r | |
cbd2a4b3 | 1211 | Controller,\r |
1212 | &gEfiExtScsiPassThruProtocolGuid,\r | |
1213 | (VOID **) &(ScsiBusDev->ExtScsiInterface),\r | |
1214 | This->DriverBindingHandle,\r | |
1215 | ScsiIoDevice->Handle,\r | |
1216 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r | |
1217 | );\r | |
70c94b3b | 1218 | } else {\r |
1219 | gBS->OpenProtocol (\r | |
cbd2a4b3 | 1220 | Controller,\r |
1221 | &gEfiScsiPassThruProtocolGuid,\r | |
1222 | (VOID **) &(ScsiBusDev->ScsiInterface),\r | |
1223 | This->DriverBindingHandle,\r | |
1224 | ScsiIoDevice->Handle,\r | |
1225 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r | |
1226 | );\r | |
70c94b3b | 1227 | }\r |
3a10d471 | 1228 | }\r |
3a10d471 | 1229 | return EFI_SUCCESS;\r |
cbd2a4b3 | 1230 | \r |
1231 | ErrorExit:\r | |
1232 | \r | |
1233 | //\r | |
1234 | // The memory space for ScsiDevicePath is allocated in\r | |
1235 | // ScsiPassThru->BuildDevicePath() function; It is no longer used\r | |
1236 | // after AppendDevicePathNode,so free the memory it occupies.\r | |
1237 | //\r | |
1238 | FreePool (ScsiDevicePath);\r | |
1239 | \r | |
1240 | if (DevicePath != NULL) {\r | |
1241 | FreePool (DevicePath);\r | |
1242 | }\r | |
1243 | \r | |
1244 | if (ScsiIoDevice != NULL) {\r | |
1245 | FreePool (ScsiIoDevice);\r | |
1246 | }\r | |
1247 | \r | |
1248 | return Status;\r | |
3a10d471 | 1249 | }\r |
1250 | \r | |
3a10d471 | 1251 | \r |
9beb888e | 1252 | /**\r |
70c94b3b | 1253 | Discovery SCSI Device\r |
3a10d471 | 1254 | \r |
9beb888e | 1255 | @param ScsiIoDevice The pointer of SCSI_IO_DEV\r |
3a10d471 | 1256 | \r |
9beb888e | 1257 | @retval TRUE Find SCSI Device and verify it.\r |
1258 | @retval FALSE Unable to find SCSI Device.\r | |
3a10d471 | 1259 | \r |
9beb888e | 1260 | **/\r |
1261 | BOOLEAN\r | |
1262 | DiscoverScsiDevice (\r | |
1263 | IN OUT SCSI_IO_DEV *ScsiIoDevice\r | |
1264 | )\r | |
3a10d471 | 1265 | {\r |
1266 | EFI_STATUS Status;\r | |
3a10d471 | 1267 | UINT32 InquiryDataLength;\r |
3a10d471 | 1268 | UINT8 SenseDataLength;\r |
1269 | UINT8 HostAdapterStatus;\r | |
1270 | UINT8 TargetStatus;\r | |
957fe093 | 1271 | EFI_SCSI_INQUIRY_DATA *InquiryData;\r |
cbd2a4b3 | 1272 | UINT8 MaxRetry;\r |
1273 | UINT8 Index;\r | |
957fe093 | 1274 | BOOLEAN ScsiDeviceFound;\r |
3a10d471 | 1275 | \r |
1276 | HostAdapterStatus = 0;\r | |
1277 | TargetStatus = 0;\r | |
957fe093 SZ |
1278 | \r |
1279 | InquiryData = AllocateAlignedBuffer (ScsiIoDevice, sizeof (EFI_SCSI_INQUIRY_DATA));\r | |
1280 | if (InquiryData == NULL) {\r | |
1281 | ScsiDeviceFound = FALSE;\r | |
1282 | goto Done;\r | |
1283 | }\r | |
1284 | \r | |
3a10d471 | 1285 | //\r |
1286 | // Using Inquiry command to scan for the device\r | |
1287 | //\r | |
1288 | InquiryDataLength = sizeof (EFI_SCSI_INQUIRY_DATA);\r | |
957fe093 SZ |
1289 | SenseDataLength = 0;\r |
1290 | ZeroMem (InquiryData, InquiryDataLength);\r | |
cbd2a4b3 | 1291 | \r |
1292 | MaxRetry = 2;\r | |
1293 | for (Index = 0; Index < MaxRetry; Index++) {\r | |
1294 | Status = ScsiInquiryCommand (\r | |
1295 | &ScsiIoDevice->ScsiIo,\r | |
3cc033c5 | 1296 | SCSI_BUS_TIMEOUT,\r |
957fe093 | 1297 | NULL,\r |
cbd2a4b3 | 1298 | &SenseDataLength,\r |
1299 | &HostAdapterStatus,\r | |
1300 | &TargetStatus,\r | |
957fe093 | 1301 | (VOID *) InquiryData,\r |
cbd2a4b3 | 1302 | &InquiryDataLength,\r |
1303 | FALSE\r | |
1304 | );\r | |
1305 | if (!EFI_ERROR (Status)) {\r | |
1306 | break;\r | |
1307 | } else if ((Status == EFI_BAD_BUFFER_SIZE) || \r | |
1308 | (Status == EFI_INVALID_PARAMETER) ||\r | |
1309 | (Status == EFI_UNSUPPORTED)) {\r | |
957fe093 SZ |
1310 | ScsiDeviceFound = FALSE;\r |
1311 | goto Done;\r | |
cbd2a4b3 | 1312 | }\r |
1313 | }\r | |
3a10d471 | 1314 | \r |
cbd2a4b3 | 1315 | if (Index == MaxRetry) {\r |
957fe093 SZ |
1316 | ScsiDeviceFound = FALSE;\r |
1317 | goto Done;\r | |
3a10d471 | 1318 | }\r |
cbd2a4b3 | 1319 | \r |
3a10d471 | 1320 | //\r |
1321 | // Retrieved inquiry data successfully\r | |
1322 | //\r | |
957fe093 SZ |
1323 | if ((InquiryData->Peripheral_Qualifier != 0) &&\r |
1324 | (InquiryData->Peripheral_Qualifier != 3)) {\r | |
1325 | ScsiDeviceFound = FALSE;\r | |
1326 | goto Done;\r | |
3a10d471 | 1327 | }\r |
1328 | \r | |
957fe093 SZ |
1329 | if (InquiryData->Peripheral_Qualifier == 3) {\r |
1330 | if (InquiryData->Peripheral_Type != 0x1f) {\r | |
1331 | ScsiDeviceFound = FALSE;\r | |
1332 | goto Done;\r | |
3a10d471 | 1333 | }\r |
1334 | }\r | |
1335 | \r | |
957fe093 SZ |
1336 | if (0x1e >= InquiryData->Peripheral_Type && InquiryData->Peripheral_Type >= 0xa) {\r |
1337 | ScsiDeviceFound = FALSE;\r | |
1338 | goto Done;\r | |
3a10d471 | 1339 | }\r |
c52fa98c | 1340 | \r |
3a10d471 | 1341 | //\r |
1342 | // valid device type and peripheral qualifier combination.\r | |
1343 | //\r | |
957fe093 SZ |
1344 | ScsiIoDevice->ScsiDeviceType = InquiryData->Peripheral_Type;\r |
1345 | ScsiIoDevice->RemovableDevice = InquiryData->Rmb;\r | |
1346 | if (InquiryData->Version == 0) {\r | |
3a10d471 | 1347 | ScsiIoDevice->ScsiVersion = 0;\r |
1348 | } else {\r | |
1349 | //\r | |
1350 | // ANSI-approved version\r | |
1351 | //\r | |
957fe093 | 1352 | ScsiIoDevice->ScsiVersion = (UINT8) (InquiryData->Version & 0x07);\r |
3a10d471 | 1353 | }\r |
1354 | \r | |
957fe093 SZ |
1355 | ScsiDeviceFound = TRUE;\r |
1356 | \r | |
1357 | Done:\r | |
1358 | FreeAlignedBuffer (InquiryData, sizeof (EFI_SCSI_INQUIRY_DATA));\r | |
1359 | \r | |
1360 | return ScsiDeviceFound;\r | |
3a10d471 | 1361 | }\r |
70c94b3b | 1362 | \r |
1363 | \r | |
9beb888e | 1364 | /**\r |
1365 | Convert EFI_SCSI_IO_SCSI_REQUEST_PACKET packet to EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET packet.\r | |
1366 | \r | |
1367 | @param Packet The pointer of EFI_SCSI_IO_SCSI_REQUEST_PACKET\r | |
1368 | @param CommandPacket The pointer of EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET\r | |
1369 | \r | |
1370 | **/\r | |
70c94b3b | 1371 | EFI_STATUS\r |
1372 | EFIAPI\r | |
1373 | ScsiioToPassThruPacket (\r | |
1374 | IN EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet,\r | |
9beb888e | 1375 | OUT EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *CommandPacket\r |
70c94b3b | 1376 | )\r |
70c94b3b | 1377 | {\r |
1378 | //\r | |
1379 | //EFI 1.10 doesn't support Bi-Direction Command.\r | |
1380 | //\r | |
1381 | if (Packet->DataDirection == EFI_SCSI_IO_DATA_DIRECTION_BIDIRECTIONAL) {\r | |
1382 | return EFI_UNSUPPORTED;\r | |
1383 | }\r | |
c52fa98c | 1384 | \r |
70c94b3b | 1385 | ZeroMem (CommandPacket, sizeof (EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET));\r |
1386 | \r | |
1387 | CommandPacket->Timeout = Packet->Timeout;\r | |
1388 | CommandPacket->Cdb = Packet->Cdb;\r | |
1389 | CommandPacket->CdbLength = Packet->CdbLength;\r | |
1390 | CommandPacket->DataDirection = Packet->DataDirection;\r | |
1391 | CommandPacket->HostAdapterStatus = Packet->HostAdapterStatus;\r | |
1392 | CommandPacket->TargetStatus = Packet->TargetStatus;\r | |
1393 | CommandPacket->SenseData = Packet->SenseData;\r | |
1394 | CommandPacket->SenseDataLength = Packet->SenseDataLength;\r | |
1395 | \r | |
1396 | if (Packet->DataDirection == EFI_SCSI_IO_DATA_DIRECTION_READ) {\r | |
1397 | CommandPacket->DataBuffer = Packet->InDataBuffer;\r | |
1398 | CommandPacket->TransferLength = Packet->InTransferLength;\r | |
1399 | } else if (Packet->DataDirection == EFI_SCSI_IO_DATA_DIRECTION_WRITE) {\r | |
1400 | CommandPacket->DataBuffer = Packet->OutDataBuffer;\r | |
1401 | CommandPacket->TransferLength = Packet->OutTransferLength;\r | |
1402 | }\r | |
1403 | return EFI_SUCCESS;\r | |
1404 | }\r | |
1405 | \r | |
1406 | \r | |
9beb888e | 1407 | /**\r |
1408 | Convert EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET packet to EFI_SCSI_IO_SCSI_REQUEST_PACKET packet.\r | |
1409 | \r | |
1410 | @param ScsiPacket The pointer of EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET\r | |
1411 | @param Packet The pointer of EFI_SCSI_IO_SCSI_REQUEST_PACKET\r | |
1412 | \r | |
1413 | **/\r | |
70c94b3b | 1414 | EFI_STATUS\r |
1415 | EFIAPI\r | |
1416 | PassThruToScsiioPacket (\r | |
1417 | IN EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *ScsiPacket,\r | |
9beb888e | 1418 | OUT EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet\r |
70c94b3b | 1419 | )\r |
70c94b3b | 1420 | {\r |
1421 | Packet->Timeout = ScsiPacket->Timeout;\r | |
1422 | Packet->Cdb = ScsiPacket->Cdb;\r | |
1423 | Packet->CdbLength = ScsiPacket->CdbLength;\r | |
1424 | Packet->DataDirection = ScsiPacket->DataDirection;\r | |
1425 | Packet->HostAdapterStatus = ScsiPacket->HostAdapterStatus;\r | |
1426 | Packet->TargetStatus = ScsiPacket->TargetStatus;\r | |
1427 | Packet->SenseData = ScsiPacket->SenseData;\r | |
1428 | Packet->SenseDataLength = ScsiPacket->SenseDataLength;\r | |
1429 | \r | |
1430 | if (ScsiPacket->DataDirection == EFI_SCSI_IO_DATA_DIRECTION_READ) {\r | |
1431 | Packet->InDataBuffer = ScsiPacket->DataBuffer;\r | |
1432 | Packet->InTransferLength = ScsiPacket->TransferLength;\r | |
1433 | } else if (Packet->DataDirection == EFI_SCSI_IO_DATA_DIRECTION_WRITE) {\r | |
1434 | Packet->OutDataBuffer = ScsiPacket->DataBuffer;\r | |
1435 | Packet->OutTransferLength = ScsiPacket->TransferLength;\r | |
1436 | }\r | |
c52fa98c | 1437 | \r |
70c94b3b | 1438 | return EFI_SUCCESS;\r |
1439 | }\r | |
1440 | \r | |
9beb888e | 1441 | /**\r |
1442 | Notify Function in which convert EFI1.0 PassThru Packet back to UEF2.0\r | |
1443 | SCSI IO Packet.\r | |
70c94b3b | 1444 | \r |
9beb888e | 1445 | @param Event The instance of EFI_EVENT.\r |
1446 | @param Context The parameter passed in.\r | |
70c94b3b | 1447 | \r |
9beb888e | 1448 | **/\r |
70c94b3b | 1449 | VOID\r |
1450 | EFIAPI\r | |
1451 | NotifyFunction (\r | |
9beb888e | 1452 | IN EFI_EVENT Event,\r |
1453 | IN VOID *Context\r | |
70c94b3b | 1454 | )\r |
70c94b3b | 1455 | {\r |
1456 | EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet;\r | |
1457 | EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *ScsiPacket;\r | |
1458 | EFI_EVENT CallerEvent;\r | |
c52fa98c | 1459 | SCSI_EVENT_DATA *PassData;\r |
70c94b3b | 1460 | \r |
1461 | PassData = (SCSI_EVENT_DATA*)Context;\r | |
1462 | Packet = (EFI_SCSI_IO_SCSI_REQUEST_PACKET *)PassData->Data1;\r | |
9beb888e | 1463 | ScsiPacket = (EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET*)mWorkingBuffer;\r |
70c94b3b | 1464 | \r |
1465 | //\r | |
1466 | // Convert EFI1.0 PassThru packet to UEFI2.0 SCSI IO Packet.\r | |
1467 | //\r | |
1468 | PassThruToScsiioPacket(ScsiPacket, Packet);\r | |
c52fa98c | 1469 | \r |
70c94b3b | 1470 | //\r |
1471 | // After converting EFI1.0 PassThru Packet back to UEFI2.0 SCSI IO Packet,\r | |
9beb888e | 1472 | // free mWorkingBuffer.\r |
70c94b3b | 1473 | //\r |
9beb888e | 1474 | gBS->FreePool(mWorkingBuffer);\r |
70c94b3b | 1475 | \r |
1476 | //\r | |
1477 | // Signal Event to tell caller to pick up UEFI2.0 SCSI IO Packet.\r | |
1478 | //\r | |
1479 | CallerEvent = PassData->Data2;\r | |
1480 | gBS->CloseEvent(Event);\r | |
1481 | gBS->SignalEvent(CallerEvent);\r | |
1482 | }\r | |
9beb888e | 1483 | \r |