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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 |
3a10d471 | 10 | #include "ScsiBus.h"\r |
11 | \r | |
1436aea4 | 12 | EFI_DRIVER_BINDING_PROTOCOL gSCSIBusDriverBinding = {\r |
3a10d471 | 13 | SCSIBusDriverBindingSupported,\r |
14 | SCSIBusDriverBindingStart,\r | |
15 | SCSIBusDriverBindingStop,\r | |
16 | 0xa,\r | |
17 | NULL,\r | |
18 | NULL\r | |
19 | };\r | |
20 | \r | |
9beb888e | 21 | VOID *mWorkingBuffer;\r |
22 | \r | |
23 | /**\r | |
24 | Convert EFI_SCSI_IO_SCSI_REQUEST_PACKET packet to EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET packet.\r | |
70c94b3b | 25 | \r |
9beb888e | 26 | @param Packet The pointer of EFI_SCSI_IO_SCSI_REQUEST_PACKET\r |
27 | @param CommandPacket The pointer of EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET\r | |
28 | \r | |
29 | **/\r | |
70c94b3b | 30 | EFI_STATUS\r |
31 | EFIAPI\r | |
32 | ScsiioToPassThruPacket (\r | |
33 | IN EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet,\r | |
9beb888e | 34 | OUT EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *CommandPacket\r |
ed66e1bc | 35 | );\r |
70c94b3b | 36 | \r |
9beb888e | 37 | /**\r |
38 | Convert EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET packet to EFI_SCSI_IO_SCSI_REQUEST_PACKET packet.\r | |
39 | \r | |
40 | @param ScsiPacket The pointer of EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET\r | |
41 | @param Packet The pointer of EFI_SCSI_IO_SCSI_REQUEST_PACKET\r | |
70c94b3b | 42 | \r |
9beb888e | 43 | **/\r |
70c94b3b | 44 | EFI_STATUS\r |
45 | EFIAPI\r | |
46 | PassThruToScsiioPacket (\r | |
47 | IN EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *ScsiPacket,\r | |
9beb888e | 48 | OUT EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet\r |
ed66e1bc | 49 | );\r |
9beb888e | 50 | \r |
51 | /**\r | |
52 | Notify Function in which convert EFI1.0 PassThru Packet back to UEF2.0\r | |
53 | SCSI IO Packet.\r | |
54 | \r | |
55 | @param Event The instance of EFI_EVENT.\r | |
56 | @param Context The parameter passed in.\r | |
57 | \r | |
58 | **/\r | |
70c94b3b | 59 | VOID\r |
60 | EFIAPI\r | |
61 | NotifyFunction (\r | |
9beb888e | 62 | IN EFI_EVENT Event,\r |
63 | IN VOID *Context\r | |
ed66e1bc | 64 | );\r |
70c94b3b | 65 | \r |
957fe093 SZ |
66 | /**\r |
67 | Allocates an aligned buffer for SCSI device.\r | |
68 | \r | |
69 | This function allocates an aligned buffer for the SCSI device to perform\r | |
70 | SCSI pass through operations. The alignment requirement is from SCSI pass\r | |
71 | through interface.\r | |
72 | \r | |
73 | @param ScsiIoDevice The SCSI child device involved for the operation.\r | |
74 | @param BufferSize The request buffer size.\r | |
75 | \r | |
76 | @return A pointer to the aligned buffer or NULL if the allocation fails.\r | |
77 | \r | |
78 | **/\r | |
79 | VOID *\r | |
80 | AllocateAlignedBuffer (\r | |
1436aea4 MK |
81 | IN SCSI_IO_DEV *ScsiIoDevice,\r |
82 | IN UINTN BufferSize\r | |
957fe093 SZ |
83 | )\r |
84 | {\r | |
85 | return AllocateAlignedPages (EFI_SIZE_TO_PAGES (BufferSize), ScsiIoDevice->ScsiIo.IoAlign);\r | |
86 | }\r | |
87 | \r | |
88 | /**\r | |
89 | Frees an aligned buffer for SCSI device.\r | |
90 | \r | |
91 | This function frees an aligned buffer for the SCSI device to perform\r | |
92 | SCSI pass through operations.\r | |
93 | \r | |
94 | @param Buffer The aligned buffer to be freed.\r | |
95 | @param BufferSize The request buffer size.\r | |
96 | \r | |
97 | **/\r | |
98 | VOID\r | |
99 | FreeAlignedBuffer (\r | |
1436aea4 MK |
100 | IN VOID *Buffer,\r |
101 | IN UINTN BufferSize\r | |
957fe093 SZ |
102 | )\r |
103 | {\r | |
104 | if (Buffer != NULL) {\r | |
105 | FreeAlignedPages (Buffer, EFI_SIZE_TO_PAGES (BufferSize));\r | |
106 | }\r | |
107 | }\r | |
108 | \r | |
3a10d471 | 109 | /**\r |
110 | The user Entry Point for module ScsiBus. The user code starts with this function.\r | |
111 | \r | |
9beb888e | 112 | @param ImageHandle The firmware allocated handle for the EFI image.\r |
113 | @param SystemTable A pointer to the EFI System Table.\r | |
c52fa98c | 114 | \r |
9beb888e | 115 | @retval EFI_SUCCESS The entry point is executed successfully.\r |
116 | @retval other Some error occurs when executing this entry point.\r | |
3a10d471 | 117 | \r |
118 | **/\r | |
119 | EFI_STATUS\r | |
120 | EFIAPI\r | |
1436aea4 MK |
121 | InitializeScsiBus (\r |
122 | IN EFI_HANDLE ImageHandle,\r | |
123 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
3a10d471 | 124 | )\r |
125 | {\r | |
1436aea4 | 126 | EFI_STATUS Status;\r |
3a10d471 | 127 | \r |
128 | //\r | |
129 | // Install driver model protocol(s).\r | |
130 | //\r | |
70da5bc2 | 131 | Status = EfiLibInstallDriverBindingComponentName2 (\r |
3a10d471 | 132 | ImageHandle,\r |
133 | SystemTable,\r | |
134 | &gSCSIBusDriverBinding,\r | |
135 | ImageHandle,\r | |
136 | &gScsiBusComponentName,\r | |
70da5bc2 | 137 | &gScsiBusComponentName2\r |
3a10d471 | 138 | );\r |
139 | ASSERT_EFI_ERROR (Status);\r | |
140 | \r | |
3a10d471 | 141 | return Status;\r |
142 | }\r | |
143 | \r | |
9beb888e | 144 | /**\r |
145 | Test to see if this driver supports ControllerHandle.\r | |
146 | \r | |
147 | This service is called by the EFI boot service ConnectController(). In order\r | |
148 | to make drivers as small as possible, there are a few calling restrictions for\r | |
149 | this service. ConnectController() must follow these calling restrictions. If\r | |
150 | any other agent wishes to call Supported() it must also follow these calling\r | |
151 | restrictions.\r | |
152 | \r | |
153 | @param This Protocol instance pointer.\r | |
154 | @param ControllerHandle Handle of device to test\r | |
155 | @param RemainingDevicePath Optional parameter use to pick a specific child\r | |
156 | device to start.\r | |
157 | \r | |
158 | @retval EFI_SUCCESS This driver supports this device\r | |
159 | @retval EFI_ALREADY_STARTED This driver is already running on this device\r | |
160 | @retval other This driver does not support this device\r | |
161 | \r | |
162 | **/\r | |
3a10d471 | 163 | EFI_STATUS\r |
164 | EFIAPI\r | |
165 | SCSIBusDriverBindingSupported (\r | |
166 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
167 | IN EFI_HANDLE Controller,\r | |
168 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
169 | )\r | |
3a10d471 | 170 | {\r |
1436aea4 MK |
171 | EFI_STATUS Status;\r |
172 | EFI_SCSI_PASS_THRU_PROTOCOL *PassThru;\r | |
173 | EFI_EXT_SCSI_PASS_THRU_PROTOCOL *ExtPassThru;\r | |
174 | UINT64 Lun;\r | |
175 | UINT8 *TargetId;\r | |
176 | SCSI_TARGET_ID ScsiTargetId;\r | |
af4a6385 | 177 | \r |
d548f0a1 | 178 | TargetId = &ScsiTargetId.ScsiId.ExtScsi[0];\r |
179 | SetMem (TargetId, TARGET_MAX_BYTES, 0xFF);\r | |
180 | \r | |
181 | //\r | |
d1102dba | 182 | // To keep backward compatibility, UEFI ExtPassThru Protocol is supported as well as\r |
d548f0a1 | 183 | // EFI PassThru Protocol. From priority perspective, ExtPassThru Protocol is firstly\r |
184 | // tried to open on host controller handle. If fails, then PassThru Protocol is tried instead.\r | |
185 | //\r | |
186 | Status = gBS->OpenProtocol (\r | |
187 | Controller,\r | |
188 | &gEfiExtScsiPassThruProtocolGuid,\r | |
189 | (VOID **)&ExtPassThru,\r | |
190 | This->DriverBindingHandle,\r | |
191 | Controller,\r | |
192 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
193 | );\r | |
194 | \r | |
195 | if (Status == EFI_ALREADY_STARTED) {\r | |
196 | return EFI_SUCCESS;\r | |
1436aea4 | 197 | } else if (!EFI_ERROR (Status)) {\r |
af4a6385 | 198 | //\r |
d548f0a1 | 199 | // Check if RemainingDevicePath is NULL or the End of Device Path Node,\r |
200 | // if yes, return EFI_SUCCESS.\r | |
af4a6385 | 201 | //\r |
d548f0a1 | 202 | if ((RemainingDevicePath == NULL) || IsDevicePathEnd (RemainingDevicePath)) {\r |
67f7e376 | 203 | //\r |
204 | // Close protocol regardless of RemainingDevicePath validation\r | |
205 | //\r | |
206 | gBS->CloseProtocol (\r | |
207 | Controller,\r | |
208 | &gEfiExtScsiPassThruProtocolGuid,\r | |
209 | This->DriverBindingHandle,\r | |
210 | Controller\r | |
d1102dba | 211 | );\r |
d548f0a1 | 212 | return EFI_SUCCESS;\r |
213 | } else {\r | |
214 | //\r | |
215 | // If RemainingDevicePath isn't the End of Device Path Node, check its validation\r | |
216 | //\r | |
217 | Status = ExtPassThru->GetTargetLun (ExtPassThru, RemainingDevicePath, &TargetId, &Lun);\r | |
af4a6385 | 218 | //\r |
d548f0a1 | 219 | // Close protocol regardless of RemainingDevicePath validation\r |
af4a6385 | 220 | //\r |
d548f0a1 | 221 | gBS->CloseProtocol (\r |
222 | Controller,\r | |
223 | &gEfiExtScsiPassThruProtocolGuid,\r | |
224 | This->DriverBindingHandle,\r | |
225 | Controller\r | |
d1102dba | 226 | );\r |
1436aea4 | 227 | if (!EFI_ERROR (Status)) {\r |
d548f0a1 | 228 | return EFI_SUCCESS;\r |
af4a6385 | 229 | }\r |
230 | }\r | |
231 | }\r | |
232 | \r | |
3a10d471 | 233 | //\r |
d1102dba | 234 | // Come here in 2 condition:\r |
d548f0a1 | 235 | // 1. ExtPassThru doesn't exist.\r |
236 | // 2. ExtPassThru exists but RemainingDevicePath is invalid.\r | |
3a10d471 | 237 | //\r |
238 | Status = gBS->OpenProtocol (\r | |
239 | Controller,\r | |
d548f0a1 | 240 | &gEfiScsiPassThruProtocolGuid,\r |
241 | (VOID **)&PassThru,\r | |
3a10d471 | 242 | This->DriverBindingHandle,\r |
243 | Controller,\r | |
70c94b3b | 244 | EFI_OPEN_PROTOCOL_BY_DRIVER\r |
3a10d471 | 245 | );\r |
d1102dba | 246 | \r |
70c94b3b | 247 | if (Status == EFI_ALREADY_STARTED) {\r |
248 | return EFI_SUCCESS;\r | |
249 | }\r | |
d1102dba | 250 | \r |
70c94b3b | 251 | if (EFI_ERROR (Status)) {\r |
d548f0a1 | 252 | return Status;\r |
3a10d471 | 253 | }\r |
d1102dba | 254 | \r |
af4a6385 | 255 | //\r |
d548f0a1 | 256 | // Test RemainingDevicePath is valid or not.\r |
af4a6385 | 257 | //\r |
d548f0a1 | 258 | if ((RemainingDevicePath != NULL) && !IsDevicePathEnd (RemainingDevicePath)) {\r |
259 | Status = PassThru->GetTargetLun (PassThru, RemainingDevicePath, &ScsiTargetId.ScsiId.Scsi, &Lun);\r | |
260 | }\r | |
d1102dba | 261 | \r |
70c94b3b | 262 | gBS->CloseProtocol (\r |
d548f0a1 | 263 | Controller,\r |
264 | &gEfiScsiPassThruProtocolGuid,\r | |
265 | This->DriverBindingHandle,\r | |
266 | Controller\r | |
267 | );\r | |
268 | return Status;\r | |
3a10d471 | 269 | }\r |
270 | \r | |
9beb888e | 271 | /**\r |
272 | Start this driver on ControllerHandle.\r | |
273 | \r | |
274 | This service is called by the EFI boot service ConnectController(). In order\r | |
275 | to make drivers as small as possible, there are a few calling restrictions for\r | |
276 | this service. ConnectController() must follow these calling restrictions. If\r | |
277 | any other agent wishes to call Start() it must also follow these calling\r | |
278 | restrictions.\r | |
279 | \r | |
280 | @param This Protocol instance pointer.\r | |
281 | @param ControllerHandle Handle of device to bind driver to\r | |
282 | @param RemainingDevicePath Optional parameter use to pick a specific child\r | |
283 | device to start.\r | |
284 | \r | |
285 | @retval EFI_SUCCESS This driver is added to ControllerHandle\r | |
286 | @retval EFI_ALREADY_STARTED This driver is already running on ControllerHandle\r | |
287 | @retval other This driver does not support this device\r | |
288 | \r | |
289 | **/\r | |
3a10d471 | 290 | EFI_STATUS\r |
291 | EFIAPI\r | |
292 | SCSIBusDriverBindingStart (\r | |
293 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
294 | IN EFI_HANDLE Controller,\r | |
295 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
296 | )\r | |
3a10d471 | 297 | {\r |
1436aea4 MK |
298 | UINT64 Lun;\r |
299 | UINT8 *TargetId;\r | |
300 | BOOLEAN ScanOtherPuns;\r | |
301 | BOOLEAN FromFirstTarget;\r | |
302 | BOOLEAN ExtScsiSupport;\r | |
303 | EFI_STATUS Status;\r | |
304 | EFI_STATUS DevicePathStatus;\r | |
305 | EFI_STATUS PassThruStatus;\r | |
306 | SCSI_BUS_DEVICE *ScsiBusDev;\r | |
307 | SCSI_TARGET_ID ScsiTargetId;\r | |
308 | EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath;\r | |
309 | EFI_SCSI_PASS_THRU_PROTOCOL *ScsiInterface;\r | |
310 | EFI_EXT_SCSI_PASS_THRU_PROTOCOL *ExtScsiInterface;\r | |
311 | EFI_SCSI_BUS_PROTOCOL *BusIdentify;\r | |
f36d6e66 | 312 | \r |
313 | TargetId = NULL;\r | |
f36d6e66 | 314 | ScanOtherPuns = TRUE;\r |
70c94b3b | 315 | FromFirstTarget = FALSE;\r |
f36d6e66 | 316 | ExtScsiSupport = FALSE;\r |
317 | PassThruStatus = EFI_SUCCESS;\r | |
d1102dba | 318 | \r |
d548f0a1 | 319 | TargetId = &ScsiTargetId.ScsiId.ExtScsi[0];\r |
320 | SetMem (TargetId, TARGET_MAX_BYTES, 0xFF);\r | |
d1102dba | 321 | \r |
f36d6e66 | 322 | DevicePathStatus = gBS->OpenProtocol (\r |
323 | Controller,\r | |
324 | &gEfiDevicePathProtocolGuid,\r | |
1436aea4 | 325 | (VOID **)&ParentDevicePath,\r |
f36d6e66 | 326 | This->DriverBindingHandle,\r |
327 | Controller,\r | |
328 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
329 | );\r | |
330 | if (EFI_ERROR (DevicePathStatus) && (DevicePathStatus != EFI_ALREADY_STARTED)) {\r | |
331 | return DevicePathStatus;\r | |
3a10d471 | 332 | }\r |
333 | \r | |
37623a5c | 334 | //\r |
335 | // Report Status Code to indicate SCSI bus starts\r | |
336 | //\r | |
337 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
338 | EFI_PROGRESS_CODE,\r | |
339 | (EFI_IO_BUS_SCSI | EFI_IOB_PC_INIT),\r | |
340 | ParentDevicePath\r | |
d1102dba | 341 | );\r |
37623a5c | 342 | \r |
3a10d471 | 343 | //\r |
d1102dba | 344 | // To keep backward compatibility, UEFI ExtPassThru Protocol is supported as well as\r |
f36d6e66 | 345 | // EFI PassThru Protocol. From priority perspective, ExtPassThru Protocol is firstly\r |
346 | // tried to open on host controller handle. If fails, then PassThru Protocol is tried instead.\r | |
3a10d471 | 347 | //\r |
348 | Status = gBS->OpenProtocol (\r | |
349 | Controller,\r | |
70c94b3b | 350 | &gEfiExtScsiPassThruProtocolGuid,\r |
1436aea4 | 351 | (VOID **)&ExtScsiInterface,\r |
3a10d471 | 352 | This->DriverBindingHandle,\r |
353 | Controller,\r | |
354 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
355 | );\r | |
f36d6e66 | 356 | //\r |
357 | // Fail to open UEFI ExtendPassThru Protocol, then try to open EFI PassThru Protocol instead.\r | |
358 | //\r | |
1436aea4 | 359 | if (EFI_ERROR (Status) && (Status != EFI_ALREADY_STARTED)) {\r |
70c94b3b | 360 | Status = gBS->OpenProtocol (\r |
361 | Controller,\r | |
362 | &gEfiScsiPassThruProtocolGuid,\r | |
1436aea4 | 363 | (VOID **)&ScsiInterface,\r |
70c94b3b | 364 | This->DriverBindingHandle,\r |
365 | Controller,\r | |
366 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
367 | );\r | |
f36d6e66 | 368 | //\r |
369 | // Fail to open EFI PassThru Protocol, Close the DevicePathProtocol if it is opened by this time.\r | |
370 | //\r | |
371 | if (EFI_ERROR (Status) && (Status != EFI_ALREADY_STARTED)) {\r | |
1436aea4 | 372 | if (!EFI_ERROR (DevicePathStatus)) {\r |
f36d6e66 | 373 | gBS->CloseProtocol (\r |
374 | Controller,\r | |
375 | &gEfiDevicePathProtocolGuid,\r | |
376 | This->DriverBindingHandle,\r | |
377 | Controller\r | |
378 | );\r | |
d1102dba | 379 | }\r |
1436aea4 | 380 | \r |
70c94b3b | 381 | return Status;\r |
d1102dba | 382 | }\r |
70c94b3b | 383 | } else {\r |
f36d6e66 | 384 | //\r |
d1102dba LG |
385 | // Succeed to open ExtPassThru Protocol, and meanwhile open PassThru Protocol\r |
386 | // with BY_DRIVER if it is also present on the handle. The intent is to prevent\r | |
f36d6e66 | 387 | // another SCSI Bus Driver to work on the same host handle.\r |
388 | //\r | |
389 | ExtScsiSupport = TRUE;\r | |
390 | PassThruStatus = gBS->OpenProtocol (\r | |
391 | Controller,\r | |
392 | &gEfiScsiPassThruProtocolGuid,\r | |
1436aea4 | 393 | (VOID **)&ScsiInterface,\r |
f36d6e66 | 394 | This->DriverBindingHandle,\r |
395 | Controller,\r | |
396 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
397 | );\r | |
70c94b3b | 398 | }\r |
d1102dba | 399 | \r |
f36d6e66 | 400 | if (Status != EFI_ALREADY_STARTED) {\r |
401 | //\r | |
402 | // Go through here means either ExtPassThru or PassThru Protocol is successfully opened\r | |
403 | // on this handle for this time. Then construct Host controller private data.\r | |
404 | //\r | |
405 | ScsiBusDev = NULL;\r | |
1436aea4 | 406 | ScsiBusDev = AllocateZeroPool (sizeof (SCSI_BUS_DEVICE));\r |
f36d6e66 | 407 | if (ScsiBusDev == NULL) {\r |
408 | Status = EFI_OUT_OF_RESOURCES;\r | |
409 | goto ErrorExit;\r | |
410 | }\r | |
1436aea4 MK |
411 | \r |
412 | ScsiBusDev->Signature = SCSI_BUS_DEVICE_SIGNATURE;\r | |
413 | ScsiBusDev->ExtScsiSupport = ExtScsiSupport;\r | |
414 | ScsiBusDev->DevicePath = ParentDevicePath;\r | |
70c94b3b | 415 | if (ScsiBusDev->ExtScsiSupport) {\r |
f36d6e66 | 416 | ScsiBusDev->ExtScsiInterface = ExtScsiInterface;\r |
70c94b3b | 417 | } else {\r |
1436aea4 | 418 | ScsiBusDev->ScsiInterface = ScsiInterface;\r |
70c94b3b | 419 | }\r |
f36d6e66 | 420 | \r |
421 | //\r | |
422 | // Install EFI_SCSI_BUS_PROTOCOL to the controller handle, So ScsiBusDev could be\r | |
423 | // retrieved on this controller handle. With ScsiBusDev, we can know which PassThru\r | |
424 | // Protocol is present on the handle, UEFI ExtPassThru Protocol or EFI PassThru Protocol.\r | |
d1102dba | 425 | //\r |
f36d6e66 | 426 | Status = gBS->InstallProtocolInterface (\r |
427 | &Controller,\r | |
c8ad2d7a | 428 | &gEfiCallerIdGuid,\r |
f36d6e66 | 429 | EFI_NATIVE_INTERFACE,\r |
430 | &ScsiBusDev->BusIdentify\r | |
431 | );\r | |
432 | if (EFI_ERROR (Status)) {\r | |
433 | goto ErrorExit;\r | |
434 | }\r | |
435 | } else {\r | |
436 | //\r | |
437 | // Go through here means Start() is re-invoked again, nothing special is required to do except\r | |
438 | // picking up Host controller private information.\r | |
439 | //\r | |
440 | Status = gBS->OpenProtocol (\r | |
441 | Controller,\r | |
c8ad2d7a | 442 | &gEfiCallerIdGuid,\r |
1436aea4 | 443 | (VOID **)&BusIdentify,\r |
f36d6e66 | 444 | This->DriverBindingHandle,\r |
445 | Controller,\r | |
446 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
447 | );\r | |
448 | \r | |
449 | if (EFI_ERROR (Status)) {\r | |
450 | return Status;\r | |
451 | }\r | |
1436aea4 | 452 | \r |
f36d6e66 | 453 | ScsiBusDev = SCSI_BUS_CONTROLLER_DEVICE_FROM_THIS (BusIdentify);\r |
3a10d471 | 454 | }\r |
455 | \r | |
37623a5c | 456 | //\r |
457 | // Report Status Code to indicate detecting devices on bus\r | |
458 | //\r | |
459 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
460 | EFI_PROGRESS_CODE,\r | |
461 | (EFI_IO_BUS_SCSI | EFI_IOB_PC_DETECT),\r | |
462 | ParentDevicePath\r | |
463 | );\r | |
464 | \r | |
1436aea4 | 465 | Lun = 0;\r |
3a10d471 | 466 | if (RemainingDevicePath == NULL) {\r |
af4a6385 | 467 | //\r |
d1102dba | 468 | // If RemainingDevicePath is NULL,\r |
af4a6385 | 469 | // must enumerate all SCSI devices anyway\r |
470 | //\r | |
70c94b3b | 471 | FromFirstTarget = TRUE;\r |
af4a6385 | 472 | } else if (!IsDevicePathEnd (RemainingDevicePath)) {\r |
473 | //\r | |
d1102dba | 474 | // If RemainingDevicePath isn't the End of Device Path Node,\r |
af4a6385 | 475 | // only scan the specified device by RemainingDevicePath\r |
476 | //\r | |
70c94b3b | 477 | if (ScsiBusDev->ExtScsiSupport) {\r |
d1102dba | 478 | Status = ScsiBusDev->ExtScsiInterface->GetTargetLun (ScsiBusDev->ExtScsiInterface, RemainingDevicePath, &TargetId, &Lun);\r |
70c94b3b | 479 | } else {\r |
d10a41e6 | 480 | Status = ScsiBusDev->ScsiInterface->GetTargetLun (ScsiBusDev->ScsiInterface, RemainingDevicePath, &ScsiTargetId.ScsiId.Scsi, &Lun);\r |
70c94b3b | 481 | }\r |
af4a6385 | 482 | \r |
d10a41e6 | 483 | if (EFI_ERROR (Status)) {\r |
484 | return Status;\r | |
485 | }\r | |
af4a6385 | 486 | } else {\r |
487 | //\r | |
488 | // If RemainingDevicePath is the End of Device Path Node,\r | |
cc530cd1 | 489 | // skip enumerate any device and return EFI_SUCCESS\r |
d1102dba | 490 | //\r |
af4a6385 | 491 | ScanOtherPuns = FALSE;\r |
3a10d471 | 492 | }\r |
493 | \r | |
1436aea4 | 494 | while (ScanOtherPuns) {\r |
70c94b3b | 495 | if (FromFirstTarget) {\r |
3a10d471 | 496 | //\r |
497 | // Remaining Device Path is NULL, scan all the possible Puns in the\r | |
498 | // SCSI Channel.\r | |
499 | //\r | |
70c94b3b | 500 | if (ScsiBusDev->ExtScsiSupport) {\r |
501 | Status = ScsiBusDev->ExtScsiInterface->GetNextTargetLun (ScsiBusDev->ExtScsiInterface, &TargetId, &Lun);\r | |
502 | } else {\r | |
d548f0a1 | 503 | Status = ScsiBusDev->ScsiInterface->GetNextDevice (ScsiBusDev->ScsiInterface, &ScsiTargetId.ScsiId.Scsi, &Lun);\r |
70c94b3b | 504 | }\r |
1436aea4 | 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 | |
1436aea4 | 515 | \r |
3a10d471 | 516 | //\r |
517 | // Avoid creating handle for the host adapter.\r | |
518 | //\r | |
70c94b3b | 519 | if (ScsiBusDev->ExtScsiSupport) {\r |
d548f0a1 | 520 | if ((ScsiTargetId.ScsiId.Scsi) == ScsiBusDev->ExtScsiInterface->Mode->AdapterId) {\r |
70c94b3b | 521 | continue;\r |
522 | }\r | |
523 | } else {\r | |
d548f0a1 | 524 | if ((ScsiTargetId.ScsiId.Scsi) == ScsiBusDev->ScsiInterface->Mode->AdapterId) {\r |
70c94b3b | 525 | continue;\r |
526 | }\r | |
3a10d471 | 527 | }\r |
1436aea4 | 528 | \r |
3a10d471 | 529 | //\r |
530 | // Scan for the scsi device, if it attaches to the scsi bus,\r | |
531 | // then create handle and install scsi i/o protocol.\r | |
532 | //\r | |
d548f0a1 | 533 | Status = ScsiScanCreateDevice (This, Controller, &ScsiTargetId, Lun, ScsiBusDev);\r |
3a10d471 | 534 | }\r |
1436aea4 | 535 | \r |
f36d6e66 | 536 | return EFI_SUCCESS;\r |
9b38ff34 | 537 | \r |
f36d6e66 | 538 | ErrorExit:\r |
d1102dba | 539 | \r |
f36d6e66 | 540 | if (ScsiBusDev != NULL) {\r |
9b38ff34 | 541 | FreePool (ScsiBusDev);\r |
f36d6e66 | 542 | }\r |
d1102dba | 543 | \r |
f36d6e66 | 544 | if (ExtScsiSupport) {\r |
545 | gBS->CloseProtocol (\r | |
546 | Controller,\r | |
547 | &gEfiExtScsiPassThruProtocolGuid,\r | |
548 | This->DriverBindingHandle,\r | |
549 | Controller\r | |
550 | );\r | |
551 | if (!EFI_ERROR (PassThruStatus)) {\r | |
552 | gBS->CloseProtocol (\r | |
553 | Controller,\r | |
554 | &gEfiScsiPassThruProtocolGuid,\r | |
555 | This->DriverBindingHandle,\r | |
556 | Controller\r | |
557 | );\r | |
558 | }\r | |
559 | } else {\r | |
560 | gBS->CloseProtocol (\r | |
561 | Controller,\r | |
562 | &gEfiScsiPassThruProtocolGuid,\r | |
563 | This->DriverBindingHandle,\r | |
564 | Controller\r | |
565 | );\r | |
566 | }\r | |
1436aea4 | 567 | \r |
3a10d471 | 568 | return Status;\r |
569 | }\r | |
570 | \r | |
9beb888e | 571 | /**\r |
572 | Stop this driver on ControllerHandle.\r | |
573 | \r | |
574 | This service is called by the EFI boot service DisconnectController().\r | |
575 | In order to make drivers as small as possible, there are a few calling\r | |
576 | restrictions for this service. DisconnectController() must follow these\r | |
577 | calling restrictions. If any other agent wishes to call Stop() it must also\r | |
578 | follow these calling restrictions.\r | |
d1102dba | 579 | \r |
9beb888e | 580 | @param This Protocol instance pointer.\r |
581 | @param ControllerHandle Handle of device to stop driver on\r | |
582 | @param NumberOfChildren Number of Handles in ChildHandleBuffer. If number of\r | |
583 | children is zero stop the entire bus driver.\r | |
584 | @param ChildHandleBuffer List of Child Handles to Stop.\r | |
585 | \r | |
586 | @retval EFI_SUCCESS This driver is removed ControllerHandle\r | |
587 | @retval other This driver was not removed from this device\r | |
588 | \r | |
589 | **/\r | |
3a10d471 | 590 | EFI_STATUS\r |
591 | EFIAPI\r | |
592 | SCSIBusDriverBindingStop (\r | |
1436aea4 MK |
593 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r |
594 | IN EFI_HANDLE Controller,\r | |
595 | IN UINTN NumberOfChildren,\r | |
596 | IN EFI_HANDLE *ChildHandleBuffer\r | |
3a10d471 | 597 | )\r |
3a10d471 | 598 | {\r |
1436aea4 MK |
599 | EFI_STATUS Status;\r |
600 | BOOLEAN AllChildrenStopped;\r | |
601 | UINTN Index;\r | |
602 | EFI_SCSI_IO_PROTOCOL *ScsiIo;\r | |
603 | SCSI_IO_DEV *ScsiIoDevice;\r | |
604 | VOID *ScsiPassThru;\r | |
605 | EFI_SCSI_BUS_PROTOCOL *Scsidentifier;\r | |
606 | SCSI_BUS_DEVICE *ScsiBusDev;\r | |
3a10d471 | 607 | \r |
608 | if (NumberOfChildren == 0) {\r | |
70c94b3b | 609 | //\r |
610 | // Get the SCSI_BUS_DEVICE\r | |
611 | //\r | |
612 | Status = gBS->OpenProtocol (\r | |
613 | Controller,\r | |
c8ad2d7a | 614 | &gEfiCallerIdGuid,\r |
1436aea4 | 615 | (VOID **)&Scsidentifier,\r |
70c94b3b | 616 | This->DriverBindingHandle,\r |
617 | Controller,\r | |
618 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
619 | );\r | |
c52fa98c | 620 | \r |
70c94b3b | 621 | if (EFI_ERROR (Status)) {\r |
622 | return EFI_DEVICE_ERROR;\r | |
623 | }\r | |
624 | \r | |
625 | ScsiBusDev = SCSI_BUS_CONTROLLER_DEVICE_FROM_THIS (Scsidentifier);\r | |
626 | \r | |
627 | //\r | |
628 | // Uninstall SCSI Bus Protocol\r | |
629 | //\r | |
630 | gBS->UninstallProtocolInterface (\r | |
631 | Controller,\r | |
c8ad2d7a | 632 | &gEfiCallerIdGuid,\r |
70c94b3b | 633 | &ScsiBusDev->BusIdentify\r |
634 | );\r | |
c52fa98c | 635 | \r |
3a10d471 | 636 | //\r |
637 | // Close the bus driver\r | |
638 | //\r | |
70c94b3b | 639 | if (ScsiBusDev->ExtScsiSupport) {\r |
1e5914b5 | 640 | //\r |
641 | // Close ExtPassThru Protocol from this controller handle\r | |
642 | //\r | |
70c94b3b | 643 | gBS->CloseProtocol (\r |
644 | Controller,\r | |
645 | &gEfiExtScsiPassThruProtocolGuid,\r | |
646 | This->DriverBindingHandle,\r | |
647 | Controller\r | |
648 | );\r | |
1e5914b5 | 649 | //\r |
650 | // When Start() succeeds to open ExtPassThru, it always tries to open PassThru BY_DRIVER.\r | |
cc530cd1 | 651 | // Its intent is to prevent another SCSI Bus Driver from working on the same host handle.\r |
1e5914b5 | 652 | // So Stop() needs to try to close PassThru if present here.\r |
653 | //\r | |
654 | gBS->CloseProtocol (\r | |
655 | Controller,\r | |
656 | &gEfiScsiPassThruProtocolGuid,\r | |
657 | This->DriverBindingHandle,\r | |
658 | Controller\r | |
659 | );\r | |
70c94b3b | 660 | } else {\r |
661 | gBS->CloseProtocol (\r | |
662 | Controller,\r | |
663 | &gEfiScsiPassThruProtocolGuid,\r | |
664 | This->DriverBindingHandle,\r | |
665 | Controller\r | |
666 | );\r | |
667 | }\r | |
3a10d471 | 668 | \r |
70c94b3b | 669 | gBS->CloseProtocol (\r |
670 | Controller,\r | |
671 | &gEfiDevicePathProtocolGuid,\r | |
672 | This->DriverBindingHandle,\r | |
673 | Controller\r | |
674 | );\r | |
6c94a00d | 675 | FreePool (ScsiBusDev);\r |
3a10d471 | 676 | return EFI_SUCCESS;\r |
677 | }\r | |
678 | \r | |
679 | AllChildrenStopped = TRUE;\r | |
680 | \r | |
681 | for (Index = 0; Index < NumberOfChildren; Index++) {\r | |
3a10d471 | 682 | Status = gBS->OpenProtocol (\r |
683 | ChildHandleBuffer[Index],\r | |
684 | &gEfiScsiIoProtocolGuid,\r | |
1436aea4 | 685 | (VOID **)&ScsiIo,\r |
3a10d471 | 686 | This->DriverBindingHandle,\r |
687 | Controller,\r | |
688 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
689 | );\r | |
690 | if (EFI_ERROR (Status)) {\r | |
691 | AllChildrenStopped = FALSE;\r | |
692 | continue;\r | |
693 | }\r | |
694 | \r | |
695 | ScsiIoDevice = SCSI_IO_DEV_FROM_THIS (ScsiIo);\r | |
696 | //\r | |
697 | // Close the child handle\r | |
698 | //\r | |
70c94b3b | 699 | if (ScsiIoDevice->ExtScsiSupport) {\r |
700 | Status = gBS->CloseProtocol (\r | |
701 | Controller,\r | |
702 | &gEfiExtScsiPassThruProtocolGuid,\r | |
703 | This->DriverBindingHandle,\r | |
704 | ChildHandleBuffer[Index]\r | |
705 | );\r | |
70c94b3b | 706 | } else {\r |
707 | Status = gBS->CloseProtocol (\r | |
708 | Controller,\r | |
709 | &gEfiScsiPassThruProtocolGuid,\r | |
710 | This->DriverBindingHandle,\r | |
711 | ChildHandleBuffer[Index]\r | |
712 | );\r | |
713 | }\r | |
3a10d471 | 714 | \r |
715 | Status = gBS->UninstallMultipleProtocolInterfaces (\r | |
716 | ChildHandleBuffer[Index],\r | |
717 | &gEfiDevicePathProtocolGuid,\r | |
718 | ScsiIoDevice->DevicePath,\r | |
719 | &gEfiScsiIoProtocolGuid,\r | |
720 | &ScsiIoDevice->ScsiIo,\r | |
721 | NULL\r | |
722 | );\r | |
723 | if (EFI_ERROR (Status)) {\r | |
724 | AllChildrenStopped = FALSE;\r | |
70c94b3b | 725 | if (ScsiIoDevice->ExtScsiSupport) {\r |
726 | gBS->OpenProtocol (\r | |
727 | Controller,\r | |
728 | &gEfiExtScsiPassThruProtocolGuid,\r | |
84b5c78e | 729 | &ScsiPassThru,\r |
70c94b3b | 730 | This->DriverBindingHandle,\r |
731 | ChildHandleBuffer[Index],\r | |
732 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r | |
733 | );\r | |
734 | } else {\r | |
735 | gBS->OpenProtocol (\r | |
736 | Controller,\r | |
737 | &gEfiScsiPassThruProtocolGuid,\r | |
84b5c78e | 738 | &ScsiPassThru,\r |
70c94b3b | 739 | This->DriverBindingHandle,\r |
740 | ChildHandleBuffer[Index],\r | |
741 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r | |
742 | );\r | |
743 | }\r | |
3a10d471 | 744 | } else {\r |
6c94a00d | 745 | FreePool (ScsiIoDevice);\r |
3a10d471 | 746 | }\r |
747 | }\r | |
748 | \r | |
749 | if (!AllChildrenStopped) {\r | |
750 | return EFI_DEVICE_ERROR;\r | |
751 | }\r | |
752 | \r | |
753 | return EFI_SUCCESS;\r | |
754 | }\r | |
755 | \r | |
9beb888e | 756 | /**\r |
757 | Retrieves the device type information of the SCSI Controller.\r | |
758 | \r | |
759 | @param This Protocol instance pointer.\r | |
760 | @param DeviceType A pointer to the device type information retrieved from\r | |
d1102dba | 761 | the SCSI Controller.\r |
9beb888e | 762 | \r |
763 | @retval EFI_SUCCESS Retrieves the device type information successfully.\r | |
764 | @retval EFI_INVALID_PARAMETER The DeviceType is NULL.\r | |
d1102dba | 765 | \r |
9beb888e | 766 | **/\r |
3a10d471 | 767 | EFI_STATUS\r |
768 | EFIAPI\r | |
769 | ScsiGetDeviceType (\r | |
1436aea4 MK |
770 | IN EFI_SCSI_IO_PROTOCOL *This,\r |
771 | OUT UINT8 *DeviceType\r | |
3a10d471 | 772 | )\r |
3a10d471 | 773 | {\r |
1436aea4 | 774 | SCSI_IO_DEV *ScsiIoDevice;\r |
3a10d471 | 775 | \r |
776 | if (DeviceType == NULL) {\r | |
777 | return EFI_INVALID_PARAMETER;\r | |
778 | }\r | |
779 | \r | |
1436aea4 MK |
780 | ScsiIoDevice = SCSI_IO_DEV_FROM_THIS (This);\r |
781 | *DeviceType = ScsiIoDevice->ScsiDeviceType;\r | |
3a10d471 | 782 | return EFI_SUCCESS;\r |
783 | }\r | |
784 | \r | |
9beb888e | 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 | |
1436aea4 MK |
801 | IN EFI_SCSI_IO_PROTOCOL *This,\r |
802 | IN OUT UINT8 **Target,\r | |
803 | OUT UINT64 *Lun\r | |
3a10d471 | 804 | )\r |
3a10d471 | 805 | {\r |
1436aea4 | 806 | SCSI_IO_DEV *ScsiIoDevice;\r |
3a10d471 | 807 | \r |
1436aea4 | 808 | if ((Target == NULL) || (Lun == NULL)) {\r |
3a10d471 | 809 | return EFI_INVALID_PARAMETER;\r |
810 | }\r | |
811 | \r | |
f36d6e66 | 812 | ScsiIoDevice = SCSI_IO_DEV_FROM_THIS (This);\r |
3a10d471 | 813 | \r |
1436aea4 | 814 | CopyMem (*Target, &ScsiIoDevice->Pun, TARGET_MAX_BYTES);\r |
70c94b3b | 815 | \r |
1436aea4 | 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 | |
1436aea4 | 836 | IN EFI_SCSI_IO_PROTOCOL *This\r |
3a10d471 | 837 | )\r |
3a10d471 | 838 | {\r |
1436aea4 | 839 | SCSI_IO_DEV *ScsiIoDevice;\r |
3a10d471 | 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 | |
1436aea4 | 852 | if (ScsiIoDevice->ExtScsiSupport) {\r |
70c94b3b | 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 | Resets the SCSI Controller that the device handle specifies.\r | |
861 | \r | |
862 | @param This Protocol instance pointer.\r | |
863 | \r | |
864 | @retval EFI_SUCCESS Reset the SCSI controller successfully.\r | |
865 | @retval EFI_DEVICE_ERROR Errors are encountered when resetting the SCSI Controller.\r | |
866 | @retval EFI_UNSUPPORTED The SCSI bus does not support a device reset operation.\r | |
867 | @retval EFI_TIMEOUT A timeout occurred while attempting to reset the\r | |
868 | SCSI Controller.\r | |
869 | **/\r | |
3a10d471 | 870 | EFI_STATUS\r |
871 | EFIAPI\r | |
872 | ScsiResetDevice (\r | |
1436aea4 | 873 | IN EFI_SCSI_IO_PROTOCOL *This\r |
3a10d471 | 874 | )\r |
3a10d471 | 875 | {\r |
f36d6e66 | 876 | SCSI_IO_DEV *ScsiIoDevice;\r |
70c94b3b | 877 | UINT8 Target[TARGET_MAX_BYTES];\r |
3a10d471 | 878 | \r |
879 | ScsiIoDevice = SCSI_IO_DEV_FROM_THIS (This);\r | |
37623a5c | 880 | \r |
881 | //\r | |
882 | // Report Status Code to indicate reset happens\r | |
883 | //\r | |
884 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
885 | EFI_PROGRESS_CODE,\r | |
886 | (EFI_IO_BUS_ATA_ATAPI | EFI_IOB_PC_RESET),\r | |
887 | ScsiIoDevice->ScsiBusDeviceData->DevicePath\r | |
888 | );\r | |
d1102dba | 889 | \r |
1436aea4 | 890 | CopyMem (Target, &ScsiIoDevice->Pun, TARGET_MAX_BYTES);\r |
3a10d471 | 891 | \r |
70c94b3b | 892 | if (ScsiIoDevice->ExtScsiSupport) {\r |
893 | return ScsiIoDevice->ExtScsiPassThru->ResetTargetLun (\r | |
1436aea4 MK |
894 | ScsiIoDevice->ExtScsiPassThru,\r |
895 | Target,\r | |
896 | ScsiIoDevice->Lun\r | |
897 | );\r | |
70c94b3b | 898 | } else {\r |
899 | return ScsiIoDevice->ScsiPassThru->ResetTarget (\r | |
1436aea4 MK |
900 | ScsiIoDevice->ScsiPassThru,\r |
901 | ScsiIoDevice->Pun.ScsiId.Scsi,\r | |
902 | ScsiIoDevice->Lun\r | |
903 | );\r | |
70c94b3b | 904 | }\r |
3a10d471 | 905 | }\r |
906 | \r | |
9beb888e | 907 | /**\r |
f36d6e66 | 908 | Sends a SCSI Request Packet to the SCSI Controller for execution.\r |
f36d6e66 | 909 | \r |
9beb888e | 910 | @param This Protocol instance pointer.\r |
d1102dba | 911 | @param CommandPacket The SCSI request packet to send to the SCSI\r |
f36d6e66 | 912 | Controller specified by the device handle.\r |
9beb888e | 913 | @param Event If the SCSI bus where the SCSI device is attached\r |
d1102dba LG |
914 | does not support non-blocking I/O, then Event is\r |
915 | ignored, and blocking I/O is performed.\r | |
f36d6e66 | 916 | If Event is NULL, then blocking I/O is performed.\r |
d1102dba | 917 | If Event is not NULL and non-blocking I/O is\r |
f36d6e66 | 918 | supported, then non-blocking I/O is performed,\r |
919 | and Event will be signaled when the SCSI Request\r | |
920 | Packet completes.\r | |
9beb888e | 921 | \r |
d1102dba LG |
922 | @retval EFI_SUCCESS The SCSI Request Packet was sent by the host\r |
923 | successfully, and TransferLength bytes were\r | |
924 | transferred to/from DataBuffer.See\r | |
925 | HostAdapterStatus, TargetStatus,\r | |
9beb888e | 926 | SenseDataLength, and SenseData in that order\r |
927 | for additional status information.\r | |
d1102dba | 928 | @retval EFI_BAD_BUFFER_SIZE The SCSI Request Packet was executed,\r |
9beb888e | 929 | but the entire DataBuffer could not be transferred.\r |
930 | The actual number of bytes transferred is returned\r | |
d1102dba LG |
931 | in TransferLength. See HostAdapterStatus,\r |
932 | TargetStatus, SenseDataLength, and SenseData in\r | |
9beb888e | 933 | that order for additional status information.\r |
d1102dba LG |
934 | @retval EFI_NOT_READY The SCSI Request Packet could not be sent because\r |
935 | there are too many SCSI Command Packets already\r | |
9beb888e | 936 | queued.The caller may retry again later.\r |
d1102dba LG |
937 | @retval EFI_DEVICE_ERROR A device error occurred while attempting to send\r |
938 | the SCSI Request Packet. See HostAdapterStatus,\r | |
939 | TargetStatus, SenseDataLength, and SenseData in\r | |
9beb888e | 940 | that order for additional status information.\r |
d1102dba LG |
941 | @retval EFI_INVALID_PARAMETER The contents of CommandPacket are invalid.\r |
942 | The SCSI Request Packet was not sent, so no\r | |
9beb888e | 943 | additional status information is available.\r |
944 | @retval EFI_UNSUPPORTED The command described by the SCSI Request Packet\r | |
d1102dba | 945 | is not supported by the SCSI initiator(i.e., SCSI\r |
9beb888e | 946 | Host Controller). The SCSI Request Packet was not\r |
d1102dba | 947 | sent, so no additional status information is\r |
9beb888e | 948 | available.\r |
d1102dba | 949 | @retval EFI_TIMEOUT A timeout occurred while waiting for the SCSI\r |
9beb888e | 950 | Request Packet to execute. See HostAdapterStatus,\r |
d1102dba | 951 | TargetStatus, SenseDataLength, and SenseData in\r |
9beb888e | 952 | that order for additional status information.\r |
953 | **/\r | |
954 | EFI_STATUS\r | |
955 | EFIAPI\r | |
956 | ScsiExecuteSCSICommand (\r | |
1436aea4 MK |
957 | IN EFI_SCSI_IO_PROTOCOL *This,\r |
958 | IN OUT EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet,\r | |
959 | IN EFI_EVENT Event OPTIONAL\r | |
9beb888e | 960 | )\r |
3a10d471 | 961 | {\r |
f36d6e66 | 962 | SCSI_IO_DEV *ScsiIoDevice;\r |
963 | EFI_STATUS Status;\r | |
70c94b3b | 964 | UINT8 Target[TARGET_MAX_BYTES];\r |
965 | EFI_EVENT PacketEvent;\r | |
966 | EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *ExtRequestPacket;\r | |
d1102dba | 967 | SCSI_EVENT_DATA EventData;\r |
3a10d471 | 968 | \r |
70c94b3b | 969 | PacketEvent = NULL;\r |
d1102dba | 970 | \r |
3a10d471 | 971 | if (Packet == NULL) {\r |
972 | return EFI_INVALID_PARAMETER;\r | |
973 | }\r | |
974 | \r | |
1436aea4 MK |
975 | ScsiIoDevice = SCSI_IO_DEV_FROM_THIS (This);\r |
976 | CopyMem (Target, &ScsiIoDevice->Pun, TARGET_MAX_BYTES);\r | |
c52fa98c | 977 | \r |
70c94b3b | 978 | if (ScsiIoDevice->ExtScsiSupport) {\r |
1436aea4 | 979 | ExtRequestPacket = (EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *)Packet;\r |
0d12e6a0 HW |
980 | \r |
981 | if (((ScsiIoDevice->ExtScsiPassThru->Mode->Attributes & EFI_SCSI_PASS_THRU_ATTRIBUTES_NONBLOCKIO) != 0) && (Event != NULL)) {\r | |
982 | Status = ScsiIoDevice->ExtScsiPassThru->PassThru (\r | |
983 | ScsiIoDevice->ExtScsiPassThru,\r | |
984 | Target,\r | |
985 | ScsiIoDevice->Lun,\r | |
986 | ExtRequestPacket,\r | |
987 | Event\r | |
988 | );\r | |
989 | } else {\r | |
990 | //\r | |
991 | // If there's no event or the SCSI Device doesn't support NON-BLOCKING,\r | |
992 | // let the 'Event' parameter for PassThru() be NULL.\r | |
993 | //\r | |
994 | Status = ScsiIoDevice->ExtScsiPassThru->PassThru (\r | |
995 | ScsiIoDevice->ExtScsiPassThru,\r | |
996 | Target,\r | |
997 | ScsiIoDevice->Lun,\r | |
998 | ExtRequestPacket,\r | |
999 | NULL\r | |
1000 | );\r | |
1436aea4 | 1001 | if ((!EFI_ERROR (Status)) && (Event != NULL)) {\r |
0d12e6a0 | 1002 | //\r |
9f840a9e HW |
1003 | // Signal Event to tell caller to pick up the SCSI IO packet if the\r |
1004 | // PassThru() succeeds.\r | |
0d12e6a0 HW |
1005 | //\r |
1006 | gBS->SignalEvent (Event);\r | |
1007 | }\r | |
1008 | }\r | |
70c94b3b | 1009 | } else {\r |
1436aea4 | 1010 | mWorkingBuffer = AllocatePool (sizeof (EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET));\r |
3a10d471 | 1011 | \r |
9b38ff34 | 1012 | if (mWorkingBuffer == NULL) {\r |
70c94b3b | 1013 | return EFI_DEVICE_ERROR;\r |
1014 | }\r | |
1015 | \r | |
1016 | //\r | |
c52fa98c | 1017 | // Convert package into EFI1.0, EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET.\r |
70c94b3b | 1018 | //\r |
1436aea4 MK |
1019 | Status = ScsiioToPassThruPacket (Packet, (EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *)mWorkingBuffer);\r |
1020 | if (EFI_ERROR (Status)) {\r | |
1021 | FreePool (mWorkingBuffer);\r | |
70c94b3b | 1022 | return Status;\r |
1023 | }\r | |
1024 | \r | |
7077edb3 | 1025 | if (((ScsiIoDevice->ScsiPassThru->Mode->Attributes & EFI_SCSI_PASS_THRU_ATTRIBUTES_NONBLOCKIO) != 0) && (Event != NULL)) {\r |
1436aea4 | 1026 | EventData.Data1 = (VOID *)Packet;\r |
70c94b3b | 1027 | EventData.Data2 = Event;\r |
1028 | //\r | |
1029 | // Create Event\r | |
1030 | //\r | |
1031 | Status = gBS->CreateEvent (\r | |
1436aea4 MK |
1032 | EVT_NOTIFY_SIGNAL,\r |
1033 | TPL_NOTIFY,\r | |
1034 | NotifyFunction,\r | |
1035 | &EventData,\r | |
1036 | &PacketEvent\r | |
1037 | );\r | |
1038 | if (EFI_ERROR (Status)) {\r | |
1039 | FreePool (mWorkingBuffer);\r | |
70c94b3b | 1040 | return Status;\r |
1041 | }\r | |
c52fa98c | 1042 | \r |
70c94b3b | 1043 | Status = ScsiIoDevice->ScsiPassThru->PassThru (\r |
1436aea4 MK |
1044 | ScsiIoDevice->ScsiPassThru,\r |
1045 | ScsiIoDevice->Pun.ScsiId.Scsi,\r | |
1046 | ScsiIoDevice->Lun,\r | |
1047 | mWorkingBuffer,\r | |
1048 | PacketEvent\r | |
1049 | );\r | |
70c94b3b | 1050 | \r |
1436aea4 MK |
1051 | if (EFI_ERROR (Status)) {\r |
1052 | FreePool (mWorkingBuffer);\r | |
1053 | gBS->CloseEvent (PacketEvent);\r | |
70c94b3b | 1054 | return Status;\r |
1055 | }\r | |
70c94b3b | 1056 | } else {\r |
1057 | //\r | |
1058 | // If there's no event or SCSI Device doesn't support NON-BLOCKING, just convert\r | |
1059 | // EFI1.0 PassThru packet back to UEFI2.0 SCSI IO Packet.\r | |
1060 | //\r | |
1061 | Status = ScsiIoDevice->ScsiPassThru->PassThru (\r | |
1436aea4 MK |
1062 | ScsiIoDevice->ScsiPassThru,\r |
1063 | ScsiIoDevice->Pun.ScsiId.Scsi,\r | |
1064 | ScsiIoDevice->Lun,\r | |
1065 | mWorkingBuffer,\r | |
1066 | NULL\r | |
1067 | );\r | |
1068 | if (EFI_ERROR (Status)) {\r | |
1069 | FreePool (mWorkingBuffer);\r | |
70c94b3b | 1070 | return Status;\r |
1071 | }\r | |
1072 | \r | |
1436aea4 | 1073 | PassThruToScsiioPacket ((EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *)mWorkingBuffer, Packet);\r |
70c94b3b | 1074 | //\r |
1075 | // After converting EFI1.0 PassThru Packet back to UEFI2.0 SCSI IO Packet,\r | |
9beb888e | 1076 | // free mWorkingBuffer.\r |
70c94b3b | 1077 | //\r |
1436aea4 | 1078 | FreePool (mWorkingBuffer);\r |
0d12e6a0 HW |
1079 | \r |
1080 | //\r | |
1081 | // Signal Event to tell caller to pick up the SCSI IO Packet.\r | |
1082 | //\r | |
1083 | if (Event != NULL) {\r | |
1084 | gBS->SignalEvent (Event);\r | |
1085 | }\r | |
70c94b3b | 1086 | }\r |
1087 | }\r | |
1436aea4 | 1088 | \r |
3a10d471 | 1089 | return Status;\r |
1090 | }\r | |
1091 | \r | |
9beb888e | 1092 | /**\r |
70c94b3b | 1093 | Scan SCSI Bus to discover the device, and attach ScsiIoProtocol to it.\r |
3a10d471 | 1094 | \r |
9beb888e | 1095 | @param This Protocol instance pointer\r |
1096 | @param Controller Controller handle\r | |
cc530cd1 | 1097 | @param TargetId Target to be scanned\r |
9beb888e | 1098 | @param Lun The Lun of the SCSI device on the SCSI channel.\r |
1099 | @param ScsiBusDev The pointer of SCSI_BUS_DEVICE\r | |
3a10d471 | 1100 | \r |
9beb888e | 1101 | @retval EFI_SUCCESS Successfully to discover the device and attach\r |
1102 | ScsiIoProtocol to it.\r | |
1103 | @retval EFI_OUT_OF_RESOURCES Fail to discover the device.\r | |
3a10d471 | 1104 | \r |
9beb888e | 1105 | **/\r |
1106 | EFI_STATUS\r | |
1107 | EFIAPI\r | |
1108 | ScsiScanCreateDevice (\r | |
1436aea4 MK |
1109 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r |
1110 | IN EFI_HANDLE Controller,\r | |
1111 | IN SCSI_TARGET_ID *TargetId,\r | |
1112 | IN UINT64 Lun,\r | |
1113 | IN OUT SCSI_BUS_DEVICE *ScsiBusDev\r | |
9beb888e | 1114 | )\r |
3a10d471 | 1115 | {\r |
1116 | EFI_STATUS Status;\r | |
1117 | SCSI_IO_DEV *ScsiIoDevice;\r | |
1118 | EFI_DEVICE_PATH_PROTOCOL *ScsiDevicePath;\r | |
cbd2a4b3 | 1119 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r |
1120 | EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath;\r | |
1436aea4 | 1121 | EFI_HANDLE DeviceHandle;\r |
cbd2a4b3 | 1122 | \r |
1123 | DevicePath = NULL;\r | |
1124 | RemainingDevicePath = NULL;\r | |
1125 | ScsiDevicePath = NULL;\r | |
1126 | ScsiIoDevice = NULL;\r | |
1127 | \r | |
1128 | //\r | |
1129 | // Build Device Path\r | |
1130 | //\r | |
1436aea4 | 1131 | if (ScsiBusDev->ExtScsiSupport) {\r |
cbd2a4b3 | 1132 | Status = ScsiBusDev->ExtScsiInterface->BuildDevicePath (\r |
1133 | ScsiBusDev->ExtScsiInterface,\r | |
1134 | &TargetId->ScsiId.ExtScsi[0],\r | |
1135 | Lun,\r | |
1136 | &ScsiDevicePath\r | |
1137 | );\r | |
1138 | } else {\r | |
e7c2a83b | 1139 | Status = ScsiBusDev->ScsiInterface->BuildDevicePath (\r |
1140 | ScsiBusDev->ScsiInterface,\r | |
1141 | TargetId->ScsiId.Scsi,\r | |
1142 | Lun,\r | |
1143 | &ScsiDevicePath\r | |
1144 | );\r | |
cbd2a4b3 | 1145 | }\r |
1146 | \r | |
1436aea4 | 1147 | if (EFI_ERROR (Status)) {\r |
cbd2a4b3 | 1148 | return Status;\r |
1149 | }\r | |
1150 | \r | |
1151 | DevicePath = AppendDevicePathNode (\r | |
1152 | ScsiBusDev->DevicePath,\r | |
1153 | ScsiDevicePath\r | |
1154 | );\r | |
1155 | \r | |
1156 | if (DevicePath == NULL) {\r | |
1157 | Status = EFI_OUT_OF_RESOURCES;\r | |
1158 | goto ErrorExit;\r | |
1159 | }\r | |
1160 | \r | |
1436aea4 | 1161 | DeviceHandle = NULL;\r |
cbd2a4b3 | 1162 | RemainingDevicePath = DevicePath;\r |
1436aea4 MK |
1163 | Status = gBS->LocateDevicePath (&gEfiDevicePathProtocolGuid, &RemainingDevicePath, &DeviceHandle);\r |
1164 | if (!EFI_ERROR (Status) && (DeviceHandle != NULL) && IsDevicePathEnd (RemainingDevicePath)) {\r | |
cbd2a4b3 | 1165 | //\r |
1166 | // The device has been started, directly return to fast boot.\r | |
1167 | //\r | |
1168 | Status = EFI_ALREADY_STARTED;\r | |
1169 | goto ErrorExit;\r | |
1170 | }\r | |
3a10d471 | 1171 | \r |
9beb888e | 1172 | ScsiIoDevice = AllocateZeroPool (sizeof (SCSI_IO_DEV));\r |
1173 | if (ScsiIoDevice == NULL) {\r | |
cbd2a4b3 | 1174 | Status = EFI_OUT_OF_RESOURCES;\r |
1175 | goto ErrorExit;\r | |
3a10d471 | 1176 | }\r |
1177 | \r | |
1436aea4 MK |
1178 | ScsiIoDevice->Signature = SCSI_IO_DEV_SIGNATURE;\r |
1179 | ScsiIoDevice->ScsiBusDeviceData = ScsiBusDev;\r | |
1180 | CopyMem (&ScsiIoDevice->Pun, TargetId, TARGET_MAX_BYTES);\r | |
1181 | ScsiIoDevice->Lun = Lun;\r | |
3a10d471 | 1182 | \r |
70c94b3b | 1183 | if (ScsiBusDev->ExtScsiSupport) {\r |
1436aea4 MK |
1184 | ScsiIoDevice->ExtScsiPassThru = ScsiBusDev->ExtScsiInterface;\r |
1185 | ScsiIoDevice->ExtScsiSupport = TRUE;\r | |
1186 | ScsiIoDevice->ScsiIo.IoAlign = ScsiIoDevice->ExtScsiPassThru->Mode->IoAlign;\r | |
70c94b3b | 1187 | } else {\r |
1436aea4 MK |
1188 | ScsiIoDevice->ScsiPassThru = ScsiBusDev->ScsiInterface;\r |
1189 | ScsiIoDevice->ExtScsiSupport = FALSE;\r | |
1190 | ScsiIoDevice->ScsiIo.IoAlign = ScsiIoDevice->ScsiPassThru->Mode->IoAlign;\r | |
70c94b3b | 1191 | }\r |
1192 | \r | |
3a10d471 | 1193 | ScsiIoDevice->ScsiIo.GetDeviceType = ScsiGetDeviceType;\r |
70c94b3b | 1194 | ScsiIoDevice->ScsiIo.GetDeviceLocation = ScsiGetDeviceLocation;\r |
3a10d471 | 1195 | ScsiIoDevice->ScsiIo.ResetBus = ScsiResetBus;\r |
1196 | ScsiIoDevice->ScsiIo.ResetDevice = ScsiResetDevice;\r | |
24e734d2 | 1197 | ScsiIoDevice->ScsiIo.ExecuteScsiCommand = ScsiExecuteSCSICommand;\r |
3a10d471 | 1198 | \r |
37623a5c | 1199 | //\r |
1200 | // Report Status Code here since the new SCSI device will be discovered\r | |
1201 | //\r | |
1202 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
1203 | EFI_PROGRESS_CODE,\r | |
1204 | (EFI_IO_BUS_SCSI | EFI_IOB_PC_ENABLE),\r | |
1205 | ScsiBusDev->DevicePath\r | |
1206 | );\r | |
1207 | \r | |
3a10d471 | 1208 | if (!DiscoverScsiDevice (ScsiIoDevice)) {\r |
cbd2a4b3 | 1209 | Status = EFI_OUT_OF_RESOURCES;\r |
1210 | goto ErrorExit;\r | |
3a10d471 | 1211 | }\r |
70c94b3b | 1212 | \r |
cbd2a4b3 | 1213 | ScsiIoDevice->DevicePath = DevicePath;\r |
c52fa98c | 1214 | \r |
3a10d471 | 1215 | Status = gBS->InstallMultipleProtocolInterfaces (\r |
1216 | &ScsiIoDevice->Handle,\r | |
1217 | &gEfiDevicePathProtocolGuid,\r | |
1218 | ScsiIoDevice->DevicePath,\r | |
1219 | &gEfiScsiIoProtocolGuid,\r | |
1220 | &ScsiIoDevice->ScsiIo,\r | |
1221 | NULL\r | |
1222 | );\r | |
1223 | if (EFI_ERROR (Status)) {\r | |
cbd2a4b3 | 1224 | goto ErrorExit;\r |
3a10d471 | 1225 | } else {\r |
70c94b3b | 1226 | if (ScsiBusDev->ExtScsiSupport) {\r |
1227 | gBS->OpenProtocol (\r | |
cbd2a4b3 | 1228 | Controller,\r |
1229 | &gEfiExtScsiPassThruProtocolGuid,\r | |
1436aea4 | 1230 | (VOID **)&(ScsiBusDev->ExtScsiInterface),\r |
cbd2a4b3 | 1231 | This->DriverBindingHandle,\r |
1232 | ScsiIoDevice->Handle,\r | |
1233 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r | |
1234 | );\r | |
1436aea4 | 1235 | } else {\r |
70c94b3b | 1236 | gBS->OpenProtocol (\r |
cbd2a4b3 | 1237 | Controller,\r |
1238 | &gEfiScsiPassThruProtocolGuid,\r | |
1436aea4 | 1239 | (VOID **)&(ScsiBusDev->ScsiInterface),\r |
cbd2a4b3 | 1240 | This->DriverBindingHandle,\r |
1241 | ScsiIoDevice->Handle,\r | |
1242 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r | |
1243 | );\r | |
1436aea4 | 1244 | }\r |
3a10d471 | 1245 | }\r |
1436aea4 | 1246 | \r |
3a10d471 | 1247 | return EFI_SUCCESS;\r |
cbd2a4b3 | 1248 | \r |
1249 | ErrorExit:\r | |
d1102dba | 1250 | \r |
cbd2a4b3 | 1251 | //\r |
1252 | // The memory space for ScsiDevicePath is allocated in\r | |
1253 | // ScsiPassThru->BuildDevicePath() function; It is no longer used\r | |
1254 | // after AppendDevicePathNode,so free the memory it occupies.\r | |
1255 | //\r | |
1256 | FreePool (ScsiDevicePath);\r | |
1257 | \r | |
1258 | if (DevicePath != NULL) {\r | |
1259 | FreePool (DevicePath);\r | |
1260 | }\r | |
1261 | \r | |
1262 | if (ScsiIoDevice != NULL) {\r | |
1263 | FreePool (ScsiIoDevice);\r | |
1264 | }\r | |
1265 | \r | |
1266 | return Status;\r | |
3a10d471 | 1267 | }\r |
1268 | \r | |
9beb888e | 1269 | /**\r |
70c94b3b | 1270 | Discovery SCSI Device\r |
3a10d471 | 1271 | \r |
9beb888e | 1272 | @param ScsiIoDevice The pointer of SCSI_IO_DEV\r |
3a10d471 | 1273 | \r |
9beb888e | 1274 | @retval TRUE Find SCSI Device and verify it.\r |
1275 | @retval FALSE Unable to find SCSI Device.\r | |
3a10d471 | 1276 | \r |
9beb888e | 1277 | **/\r |
1278 | BOOLEAN\r | |
1279 | DiscoverScsiDevice (\r | |
1436aea4 | 1280 | IN OUT SCSI_IO_DEV *ScsiIoDevice\r |
9beb888e | 1281 | )\r |
3a10d471 | 1282 | {\r |
1436aea4 MK |
1283 | EFI_STATUS Status;\r |
1284 | UINT32 InquiryDataLength;\r | |
1285 | UINT8 SenseDataLength;\r | |
1286 | UINT8 HostAdapterStatus;\r | |
1287 | UINT8 TargetStatus;\r | |
1288 | EFI_SCSI_INQUIRY_DATA *InquiryData;\r | |
1289 | EFI_SCSI_SENSE_DATA *SenseData;\r | |
1290 | UINT8 MaxRetry;\r | |
1291 | UINT8 Index;\r | |
1292 | BOOLEAN ScsiDeviceFound;\r | |
3a10d471 | 1293 | \r |
1294 | HostAdapterStatus = 0;\r | |
1295 | TargetStatus = 0;\r | |
ce13d2d8 | 1296 | SenseData = NULL;\r |
957fe093 SZ |
1297 | \r |
1298 | InquiryData = AllocateAlignedBuffer (ScsiIoDevice, sizeof (EFI_SCSI_INQUIRY_DATA));\r | |
1299 | if (InquiryData == NULL) {\r | |
1300 | ScsiDeviceFound = FALSE;\r | |
1301 | goto Done;\r | |
1302 | }\r | |
1303 | \r | |
ce13d2d8 LE |
1304 | SenseData = AllocateAlignedBuffer (\r |
1305 | ScsiIoDevice,\r | |
1306 | sizeof (EFI_SCSI_SENSE_DATA)\r | |
1307 | );\r | |
1308 | if (SenseData == NULL) {\r | |
1309 | ScsiDeviceFound = FALSE;\r | |
1310 | goto Done;\r | |
1311 | }\r | |
1312 | \r | |
3a10d471 | 1313 | //\r |
1314 | // Using Inquiry command to scan for the device\r | |
1315 | //\r | |
1316 | InquiryDataLength = sizeof (EFI_SCSI_INQUIRY_DATA);\r | |
ce13d2d8 | 1317 | SenseDataLength = sizeof (EFI_SCSI_SENSE_DATA);\r |
957fe093 | 1318 | ZeroMem (InquiryData, InquiryDataLength);\r |
ce13d2d8 | 1319 | ZeroMem (SenseData, SenseDataLength);\r |
cbd2a4b3 | 1320 | \r |
1321 | MaxRetry = 2;\r | |
1322 | for (Index = 0; Index < MaxRetry; Index++) {\r | |
1323 | Status = ScsiInquiryCommand (\r | |
1436aea4 MK |
1324 | &ScsiIoDevice->ScsiIo,\r |
1325 | SCSI_BUS_TIMEOUT,\r | |
1326 | SenseData,\r | |
1327 | &SenseDataLength,\r | |
1328 | &HostAdapterStatus,\r | |
1329 | &TargetStatus,\r | |
1330 | (VOID *)InquiryData,\r | |
1331 | &InquiryDataLength,\r | |
1332 | FALSE\r | |
1333 | );\r | |
cbd2a4b3 | 1334 | if (!EFI_ERROR (Status)) {\r |
ce13d2d8 LE |
1335 | if ((HostAdapterStatus == EFI_SCSI_IO_STATUS_HOST_ADAPTER_OK) &&\r |
1336 | (TargetStatus == EFI_SCSI_IO_STATUS_TARGET_CHECK_CONDITION) &&\r | |
1337 | (SenseData->Error_Code == 0x70) &&\r | |
1436aea4 MK |
1338 | (SenseData->Sense_Key == EFI_SCSI_SK_ILLEGAL_REQUEST))\r |
1339 | {\r | |
ce13d2d8 LE |
1340 | ScsiDeviceFound = FALSE;\r |
1341 | goto Done;\r | |
1342 | }\r | |
1436aea4 | 1343 | \r |
cbd2a4b3 | 1344 | break;\r |
c09e481b | 1345 | }\r |
1436aea4 | 1346 | \r |
c09e481b LE |
1347 | if ((Status == EFI_BAD_BUFFER_SIZE) ||\r |
1348 | (Status == EFI_INVALID_PARAMETER) ||\r | |
1436aea4 MK |
1349 | (Status == EFI_UNSUPPORTED))\r |
1350 | {\r | |
957fe093 SZ |
1351 | ScsiDeviceFound = FALSE;\r |
1352 | goto Done;\r | |
cbd2a4b3 | 1353 | }\r |
1354 | }\r | |
3a10d471 | 1355 | \r |
cbd2a4b3 | 1356 | if (Index == MaxRetry) {\r |
957fe093 SZ |
1357 | ScsiDeviceFound = FALSE;\r |
1358 | goto Done;\r | |
3a10d471 | 1359 | }\r |
d1102dba | 1360 | \r |
3a10d471 | 1361 | //\r |
1362 | // Retrieved inquiry data successfully\r | |
1363 | //\r | |
897efb97 | 1364 | if (InquiryData->Peripheral_Qualifier != 0) {\r |
957fe093 SZ |
1365 | ScsiDeviceFound = FALSE;\r |
1366 | goto Done;\r | |
3a10d471 | 1367 | }\r |
1368 | \r | |
1ff7ed2c | 1369 | if ((InquiryData->Peripheral_Type >= EFI_SCSI_TYPE_RESERVED_LOW) &&\r |
1436aea4 MK |
1370 | (InquiryData->Peripheral_Type <= EFI_SCSI_TYPE_RESERVED_HIGH))\r |
1371 | {\r | |
957fe093 SZ |
1372 | ScsiDeviceFound = FALSE;\r |
1373 | goto Done;\r | |
3a10d471 | 1374 | }\r |
c52fa98c | 1375 | \r |
3a10d471 | 1376 | //\r |
1377 | // valid device type and peripheral qualifier combination.\r | |
1378 | //\r | |
957fe093 SZ |
1379 | ScsiIoDevice->ScsiDeviceType = InquiryData->Peripheral_Type;\r |
1380 | ScsiIoDevice->RemovableDevice = InquiryData->Rmb;\r | |
1381 | if (InquiryData->Version == 0) {\r | |
3a10d471 | 1382 | ScsiIoDevice->ScsiVersion = 0;\r |
1383 | } else {\r | |
1384 | //\r | |
1385 | // ANSI-approved version\r | |
1386 | //\r | |
1436aea4 | 1387 | ScsiIoDevice->ScsiVersion = (UINT8)(InquiryData->Version & 0x07);\r |
3a10d471 | 1388 | }\r |
1389 | \r | |
957fe093 SZ |
1390 | ScsiDeviceFound = TRUE;\r |
1391 | \r | |
1392 | Done:\r | |
ce13d2d8 | 1393 | FreeAlignedBuffer (SenseData, sizeof (EFI_SCSI_SENSE_DATA));\r |
957fe093 SZ |
1394 | FreeAlignedBuffer (InquiryData, sizeof (EFI_SCSI_INQUIRY_DATA));\r |
1395 | \r | |
1396 | return ScsiDeviceFound;\r | |
3a10d471 | 1397 | }\r |
70c94b3b | 1398 | \r |
9beb888e | 1399 | /**\r |
1400 | Convert EFI_SCSI_IO_SCSI_REQUEST_PACKET packet to EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET packet.\r | |
1401 | \r | |
1402 | @param Packet The pointer of EFI_SCSI_IO_SCSI_REQUEST_PACKET\r | |
1403 | @param CommandPacket The pointer of EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET\r | |
1404 | \r | |
1405 | **/\r | |
70c94b3b | 1406 | EFI_STATUS\r |
1407 | EFIAPI\r | |
1408 | ScsiioToPassThruPacket (\r | |
1409 | IN EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet,\r | |
9beb888e | 1410 | OUT EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *CommandPacket\r |
70c94b3b | 1411 | )\r |
70c94b3b | 1412 | {\r |
1413 | //\r | |
1436aea4 | 1414 | // EFI 1.10 doesn't support Bi-Direction Command.\r |
70c94b3b | 1415 | //\r |
1416 | if (Packet->DataDirection == EFI_SCSI_IO_DATA_DIRECTION_BIDIRECTIONAL) {\r | |
1417 | return EFI_UNSUPPORTED;\r | |
1418 | }\r | |
c52fa98c | 1419 | \r |
70c94b3b | 1420 | ZeroMem (CommandPacket, sizeof (EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET));\r |
1421 | \r | |
1422 | CommandPacket->Timeout = Packet->Timeout;\r | |
1423 | CommandPacket->Cdb = Packet->Cdb;\r | |
1424 | CommandPacket->CdbLength = Packet->CdbLength;\r | |
1425 | CommandPacket->DataDirection = Packet->DataDirection;\r | |
1426 | CommandPacket->HostAdapterStatus = Packet->HostAdapterStatus;\r | |
1427 | CommandPacket->TargetStatus = Packet->TargetStatus;\r | |
1428 | CommandPacket->SenseData = Packet->SenseData;\r | |
1429 | CommandPacket->SenseDataLength = Packet->SenseDataLength;\r | |
1430 | \r | |
1431 | if (Packet->DataDirection == EFI_SCSI_IO_DATA_DIRECTION_READ) {\r | |
1436aea4 | 1432 | CommandPacket->DataBuffer = Packet->InDataBuffer;\r |
70c94b3b | 1433 | CommandPacket->TransferLength = Packet->InTransferLength;\r |
1434 | } else if (Packet->DataDirection == EFI_SCSI_IO_DATA_DIRECTION_WRITE) {\r | |
1436aea4 | 1435 | CommandPacket->DataBuffer = Packet->OutDataBuffer;\r |
70c94b3b | 1436 | CommandPacket->TransferLength = Packet->OutTransferLength;\r |
1437 | }\r | |
1436aea4 | 1438 | \r |
70c94b3b | 1439 | return EFI_SUCCESS;\r |
1440 | }\r | |
1441 | \r | |
9beb888e | 1442 | /**\r |
1443 | Convert EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET packet to EFI_SCSI_IO_SCSI_REQUEST_PACKET packet.\r | |
1444 | \r | |
1445 | @param ScsiPacket The pointer of EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET\r | |
1446 | @param Packet The pointer of EFI_SCSI_IO_SCSI_REQUEST_PACKET\r | |
1447 | \r | |
1448 | **/\r | |
70c94b3b | 1449 | EFI_STATUS\r |
1450 | EFIAPI\r | |
1451 | PassThruToScsiioPacket (\r | |
1452 | IN EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *ScsiPacket,\r | |
9beb888e | 1453 | OUT EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet\r |
70c94b3b | 1454 | )\r |
70c94b3b | 1455 | {\r |
1456 | Packet->Timeout = ScsiPacket->Timeout;\r | |
1457 | Packet->Cdb = ScsiPacket->Cdb;\r | |
1458 | Packet->CdbLength = ScsiPacket->CdbLength;\r | |
1459 | Packet->DataDirection = ScsiPacket->DataDirection;\r | |
1460 | Packet->HostAdapterStatus = ScsiPacket->HostAdapterStatus;\r | |
1461 | Packet->TargetStatus = ScsiPacket->TargetStatus;\r | |
1462 | Packet->SenseData = ScsiPacket->SenseData;\r | |
1463 | Packet->SenseDataLength = ScsiPacket->SenseDataLength;\r | |
1464 | \r | |
1465 | if (ScsiPacket->DataDirection == EFI_SCSI_IO_DATA_DIRECTION_READ) {\r | |
1436aea4 | 1466 | Packet->InDataBuffer = ScsiPacket->DataBuffer;\r |
70c94b3b | 1467 | Packet->InTransferLength = ScsiPacket->TransferLength;\r |
1468 | } else if (Packet->DataDirection == EFI_SCSI_IO_DATA_DIRECTION_WRITE) {\r | |
1436aea4 | 1469 | Packet->OutDataBuffer = ScsiPacket->DataBuffer;\r |
70c94b3b | 1470 | Packet->OutTransferLength = ScsiPacket->TransferLength;\r |
1471 | }\r | |
c52fa98c | 1472 | \r |
70c94b3b | 1473 | return EFI_SUCCESS;\r |
1474 | }\r | |
1475 | \r | |
9beb888e | 1476 | /**\r |
1477 | Notify Function in which convert EFI1.0 PassThru Packet back to UEF2.0\r | |
1478 | SCSI IO Packet.\r | |
70c94b3b | 1479 | \r |
9beb888e | 1480 | @param Event The instance of EFI_EVENT.\r |
1481 | @param Context The parameter passed in.\r | |
70c94b3b | 1482 | \r |
9beb888e | 1483 | **/\r |
70c94b3b | 1484 | VOID\r |
1485 | EFIAPI\r | |
1486 | NotifyFunction (\r | |
9beb888e | 1487 | IN EFI_EVENT Event,\r |
1488 | IN VOID *Context\r | |
70c94b3b | 1489 | )\r |
70c94b3b | 1490 | {\r |
1436aea4 MK |
1491 | EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet;\r |
1492 | EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *ScsiPacket;\r | |
1493 | EFI_EVENT CallerEvent;\r | |
1494 | SCSI_EVENT_DATA *PassData;\r | |
70c94b3b | 1495 | \r |
1436aea4 MK |
1496 | PassData = (SCSI_EVENT_DATA *)Context;\r |
1497 | Packet = (EFI_SCSI_IO_SCSI_REQUEST_PACKET *)PassData->Data1;\r | |
1498 | ScsiPacket = (EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *)mWorkingBuffer;\r | |
70c94b3b | 1499 | \r |
1500 | //\r | |
1501 | // Convert EFI1.0 PassThru packet to UEFI2.0 SCSI IO Packet.\r | |
1502 | //\r | |
1436aea4 | 1503 | PassThruToScsiioPacket (ScsiPacket, Packet);\r |
c52fa98c | 1504 | \r |
70c94b3b | 1505 | //\r |
1506 | // After converting EFI1.0 PassThru Packet back to UEFI2.0 SCSI IO Packet,\r | |
9beb888e | 1507 | // free mWorkingBuffer.\r |
70c94b3b | 1508 | //\r |
1436aea4 | 1509 | gBS->FreePool (mWorkingBuffer);\r |
70c94b3b | 1510 | \r |
1511 | //\r | |
1512 | // Signal Event to tell caller to pick up UEFI2.0 SCSI IO Packet.\r | |
1513 | //\r | |
1514 | CallerEvent = PassData->Data2;\r | |
1436aea4 MK |
1515 | gBS->CloseEvent (Event);\r |
1516 | gBS->SignalEvent (CallerEvent);\r | |
70c94b3b | 1517 | }\r |