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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 |
eae9e51d S |
6 | Copyright (c) 1985 - 2022, American Megatrends International LLC.<BR>\r |
7 | \r | |
9d510e61 | 8 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
3a10d471 | 9 | \r |
3b2dbece | 10 | **/\r |
3a10d471 | 11 | \r |
3a10d471 | 12 | #include "ScsiBus.h"\r |
13 | \r | |
1436aea4 | 14 | EFI_DRIVER_BINDING_PROTOCOL gSCSIBusDriverBinding = {\r |
3a10d471 | 15 | SCSIBusDriverBindingSupported,\r |
16 | SCSIBusDriverBindingStart,\r | |
17 | SCSIBusDriverBindingStop,\r | |
18 | 0xa,\r | |
19 | NULL,\r | |
20 | NULL\r | |
21 | };\r | |
22 | \r | |
9beb888e | 23 | VOID *mWorkingBuffer;\r |
24 | \r | |
25 | /**\r | |
26 | Convert EFI_SCSI_IO_SCSI_REQUEST_PACKET packet to EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET packet.\r | |
70c94b3b | 27 | \r |
9beb888e | 28 | @param Packet The pointer of EFI_SCSI_IO_SCSI_REQUEST_PACKET\r |
29 | @param CommandPacket The pointer of EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET\r | |
30 | \r | |
31 | **/\r | |
70c94b3b | 32 | EFI_STATUS\r |
33 | EFIAPI\r | |
34 | ScsiioToPassThruPacket (\r | |
35 | IN EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet,\r | |
9beb888e | 36 | OUT EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *CommandPacket\r |
ed66e1bc | 37 | );\r |
70c94b3b | 38 | \r |
9beb888e | 39 | /**\r |
40 | Convert EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET packet to EFI_SCSI_IO_SCSI_REQUEST_PACKET packet.\r | |
41 | \r | |
42 | @param ScsiPacket The pointer of EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET\r | |
43 | @param Packet The pointer of EFI_SCSI_IO_SCSI_REQUEST_PACKET\r | |
70c94b3b | 44 | \r |
9beb888e | 45 | **/\r |
70c94b3b | 46 | EFI_STATUS\r |
47 | EFIAPI\r | |
48 | PassThruToScsiioPacket (\r | |
49 | IN EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *ScsiPacket,\r | |
9beb888e | 50 | OUT EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet\r |
ed66e1bc | 51 | );\r |
9beb888e | 52 | \r |
53 | /**\r | |
54 | Notify Function in which convert EFI1.0 PassThru Packet back to UEF2.0\r | |
55 | SCSI IO Packet.\r | |
56 | \r | |
57 | @param Event The instance of EFI_EVENT.\r | |
58 | @param Context The parameter passed in.\r | |
59 | \r | |
60 | **/\r | |
70c94b3b | 61 | VOID\r |
62 | EFIAPI\r | |
63 | NotifyFunction (\r | |
9beb888e | 64 | IN EFI_EVENT Event,\r |
65 | IN VOID *Context\r | |
ed66e1bc | 66 | );\r |
70c94b3b | 67 | \r |
957fe093 SZ |
68 | /**\r |
69 | Allocates an aligned buffer for SCSI device.\r | |
70 | \r | |
71 | This function allocates an aligned buffer for the SCSI device to perform\r | |
72 | SCSI pass through operations. The alignment requirement is from SCSI pass\r | |
73 | through interface.\r | |
74 | \r | |
75 | @param ScsiIoDevice The SCSI child device involved for the operation.\r | |
76 | @param BufferSize The request buffer size.\r | |
77 | \r | |
78 | @return A pointer to the aligned buffer or NULL if the allocation fails.\r | |
79 | \r | |
80 | **/\r | |
81 | VOID *\r | |
82 | AllocateAlignedBuffer (\r | |
1436aea4 MK |
83 | IN SCSI_IO_DEV *ScsiIoDevice,\r |
84 | IN UINTN BufferSize\r | |
957fe093 SZ |
85 | )\r |
86 | {\r | |
87 | return AllocateAlignedPages (EFI_SIZE_TO_PAGES (BufferSize), ScsiIoDevice->ScsiIo.IoAlign);\r | |
88 | }\r | |
89 | \r | |
90 | /**\r | |
91 | Frees an aligned buffer for SCSI device.\r | |
92 | \r | |
93 | This function frees an aligned buffer for the SCSI device to perform\r | |
94 | SCSI pass through operations.\r | |
95 | \r | |
96 | @param Buffer The aligned buffer to be freed.\r | |
97 | @param BufferSize The request buffer size.\r | |
98 | \r | |
99 | **/\r | |
100 | VOID\r | |
101 | FreeAlignedBuffer (\r | |
1436aea4 MK |
102 | IN VOID *Buffer,\r |
103 | IN UINTN BufferSize\r | |
957fe093 SZ |
104 | )\r |
105 | {\r | |
106 | if (Buffer != NULL) {\r | |
107 | FreeAlignedPages (Buffer, EFI_SIZE_TO_PAGES (BufferSize));\r | |
108 | }\r | |
109 | }\r | |
110 | \r | |
3a10d471 | 111 | /**\r |
112 | The user Entry Point for module ScsiBus. The user code starts with this function.\r | |
113 | \r | |
9beb888e | 114 | @param ImageHandle The firmware allocated handle for the EFI image.\r |
115 | @param SystemTable A pointer to the EFI System Table.\r | |
c52fa98c | 116 | \r |
9beb888e | 117 | @retval EFI_SUCCESS The entry point is executed successfully.\r |
118 | @retval other Some error occurs when executing this entry point.\r | |
3a10d471 | 119 | \r |
120 | **/\r | |
121 | EFI_STATUS\r | |
122 | EFIAPI\r | |
1436aea4 MK |
123 | InitializeScsiBus (\r |
124 | IN EFI_HANDLE ImageHandle,\r | |
125 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
3a10d471 | 126 | )\r |
127 | {\r | |
1436aea4 | 128 | EFI_STATUS Status;\r |
3a10d471 | 129 | \r |
130 | //\r | |
131 | // Install driver model protocol(s).\r | |
132 | //\r | |
70da5bc2 | 133 | Status = EfiLibInstallDriverBindingComponentName2 (\r |
3a10d471 | 134 | ImageHandle,\r |
135 | SystemTable,\r | |
136 | &gSCSIBusDriverBinding,\r | |
137 | ImageHandle,\r | |
138 | &gScsiBusComponentName,\r | |
70da5bc2 | 139 | &gScsiBusComponentName2\r |
3a10d471 | 140 | );\r |
141 | ASSERT_EFI_ERROR (Status);\r | |
142 | \r | |
3a10d471 | 143 | return Status;\r |
144 | }\r | |
145 | \r | |
9beb888e | 146 | /**\r |
147 | Test to see if this driver supports ControllerHandle.\r | |
148 | \r | |
149 | This service is called by the EFI boot service ConnectController(). In order\r | |
150 | to make drivers as small as possible, there are a few calling restrictions for\r | |
151 | this service. ConnectController() must follow these calling restrictions. If\r | |
152 | any other agent wishes to call Supported() it must also follow these calling\r | |
153 | restrictions.\r | |
154 | \r | |
155 | @param This Protocol instance pointer.\r | |
156 | @param ControllerHandle Handle of device to test\r | |
157 | @param RemainingDevicePath Optional parameter use to pick a specific child\r | |
158 | device to start.\r | |
159 | \r | |
160 | @retval EFI_SUCCESS This driver supports this device\r | |
161 | @retval EFI_ALREADY_STARTED This driver is already running on this device\r | |
162 | @retval other This driver does not support this device\r | |
163 | \r | |
164 | **/\r | |
3a10d471 | 165 | EFI_STATUS\r |
166 | EFIAPI\r | |
167 | SCSIBusDriverBindingSupported (\r | |
168 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
169 | IN EFI_HANDLE Controller,\r | |
170 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
171 | )\r | |
3a10d471 | 172 | {\r |
1436aea4 MK |
173 | EFI_STATUS Status;\r |
174 | EFI_SCSI_PASS_THRU_PROTOCOL *PassThru;\r | |
175 | EFI_EXT_SCSI_PASS_THRU_PROTOCOL *ExtPassThru;\r | |
176 | UINT64 Lun;\r | |
177 | UINT8 *TargetId;\r | |
178 | SCSI_TARGET_ID ScsiTargetId;\r | |
af4a6385 | 179 | \r |
d548f0a1 | 180 | TargetId = &ScsiTargetId.ScsiId.ExtScsi[0];\r |
181 | SetMem (TargetId, TARGET_MAX_BYTES, 0xFF);\r | |
182 | \r | |
183 | //\r | |
d1102dba | 184 | // To keep backward compatibility, UEFI ExtPassThru Protocol is supported as well as\r |
d548f0a1 | 185 | // EFI PassThru Protocol. From priority perspective, ExtPassThru Protocol is firstly\r |
186 | // tried to open on host controller handle. If fails, then PassThru Protocol is tried instead.\r | |
187 | //\r | |
188 | Status = gBS->OpenProtocol (\r | |
189 | Controller,\r | |
190 | &gEfiExtScsiPassThruProtocolGuid,\r | |
191 | (VOID **)&ExtPassThru,\r | |
192 | This->DriverBindingHandle,\r | |
193 | Controller,\r | |
194 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
195 | );\r | |
196 | \r | |
197 | if (Status == EFI_ALREADY_STARTED) {\r | |
198 | return EFI_SUCCESS;\r | |
1436aea4 | 199 | } else if (!EFI_ERROR (Status)) {\r |
af4a6385 | 200 | //\r |
d548f0a1 | 201 | // Check if RemainingDevicePath is NULL or the End of Device Path Node,\r |
202 | // if yes, return EFI_SUCCESS.\r | |
af4a6385 | 203 | //\r |
d548f0a1 | 204 | if ((RemainingDevicePath == NULL) || IsDevicePathEnd (RemainingDevicePath)) {\r |
67f7e376 | 205 | //\r |
206 | // Close protocol regardless of RemainingDevicePath validation\r | |
207 | //\r | |
208 | gBS->CloseProtocol (\r | |
209 | Controller,\r | |
210 | &gEfiExtScsiPassThruProtocolGuid,\r | |
211 | This->DriverBindingHandle,\r | |
212 | Controller\r | |
d1102dba | 213 | );\r |
d548f0a1 | 214 | return EFI_SUCCESS;\r |
215 | } else {\r | |
216 | //\r | |
217 | // If RemainingDevicePath isn't the End of Device Path Node, check its validation\r | |
218 | //\r | |
219 | Status = ExtPassThru->GetTargetLun (ExtPassThru, RemainingDevicePath, &TargetId, &Lun);\r | |
af4a6385 | 220 | //\r |
d548f0a1 | 221 | // Close protocol regardless of RemainingDevicePath validation\r |
af4a6385 | 222 | //\r |
d548f0a1 | 223 | gBS->CloseProtocol (\r |
224 | Controller,\r | |
225 | &gEfiExtScsiPassThruProtocolGuid,\r | |
226 | This->DriverBindingHandle,\r | |
227 | Controller\r | |
d1102dba | 228 | );\r |
1436aea4 | 229 | if (!EFI_ERROR (Status)) {\r |
d548f0a1 | 230 | return EFI_SUCCESS;\r |
af4a6385 | 231 | }\r |
232 | }\r | |
233 | }\r | |
234 | \r | |
3a10d471 | 235 | //\r |
d1102dba | 236 | // Come here in 2 condition:\r |
d548f0a1 | 237 | // 1. ExtPassThru doesn't exist.\r |
238 | // 2. ExtPassThru exists but RemainingDevicePath is invalid.\r | |
3a10d471 | 239 | //\r |
240 | Status = gBS->OpenProtocol (\r | |
241 | Controller,\r | |
d548f0a1 | 242 | &gEfiScsiPassThruProtocolGuid,\r |
243 | (VOID **)&PassThru,\r | |
3a10d471 | 244 | This->DriverBindingHandle,\r |
245 | Controller,\r | |
70c94b3b | 246 | EFI_OPEN_PROTOCOL_BY_DRIVER\r |
3a10d471 | 247 | );\r |
d1102dba | 248 | \r |
70c94b3b | 249 | if (Status == EFI_ALREADY_STARTED) {\r |
250 | return EFI_SUCCESS;\r | |
251 | }\r | |
d1102dba | 252 | \r |
70c94b3b | 253 | if (EFI_ERROR (Status)) {\r |
d548f0a1 | 254 | return Status;\r |
3a10d471 | 255 | }\r |
d1102dba | 256 | \r |
af4a6385 | 257 | //\r |
d548f0a1 | 258 | // Test RemainingDevicePath is valid or not.\r |
af4a6385 | 259 | //\r |
d548f0a1 | 260 | if ((RemainingDevicePath != NULL) && !IsDevicePathEnd (RemainingDevicePath)) {\r |
261 | Status = PassThru->GetTargetLun (PassThru, RemainingDevicePath, &ScsiTargetId.ScsiId.Scsi, &Lun);\r | |
262 | }\r | |
d1102dba | 263 | \r |
70c94b3b | 264 | gBS->CloseProtocol (\r |
d548f0a1 | 265 | Controller,\r |
266 | &gEfiScsiPassThruProtocolGuid,\r | |
267 | This->DriverBindingHandle,\r | |
268 | Controller\r | |
269 | );\r | |
270 | return Status;\r | |
3a10d471 | 271 | }\r |
272 | \r | |
9beb888e | 273 | /**\r |
274 | Start this driver on ControllerHandle.\r | |
275 | \r | |
276 | This service is called by the EFI boot service ConnectController(). In order\r | |
277 | to make drivers as small as possible, there are a few calling restrictions for\r | |
278 | this service. ConnectController() must follow these calling restrictions. If\r | |
279 | any other agent wishes to call Start() it must also follow these calling\r | |
280 | restrictions.\r | |
281 | \r | |
282 | @param This Protocol instance pointer.\r | |
283 | @param ControllerHandle Handle of device to bind driver to\r | |
284 | @param RemainingDevicePath Optional parameter use to pick a specific child\r | |
285 | device to start.\r | |
286 | \r | |
287 | @retval EFI_SUCCESS This driver is added to ControllerHandle\r | |
288 | @retval EFI_ALREADY_STARTED This driver is already running on ControllerHandle\r | |
289 | @retval other This driver does not support this device\r | |
290 | \r | |
291 | **/\r | |
3a10d471 | 292 | EFI_STATUS\r |
293 | EFIAPI\r | |
294 | SCSIBusDriverBindingStart (\r | |
295 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
296 | IN EFI_HANDLE Controller,\r | |
297 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
298 | )\r | |
3a10d471 | 299 | {\r |
1436aea4 MK |
300 | UINT64 Lun;\r |
301 | UINT8 *TargetId;\r | |
302 | BOOLEAN ScanOtherPuns;\r | |
303 | BOOLEAN FromFirstTarget;\r | |
304 | BOOLEAN ExtScsiSupport;\r | |
305 | EFI_STATUS Status;\r | |
306 | EFI_STATUS DevicePathStatus;\r | |
307 | EFI_STATUS PassThruStatus;\r | |
308 | SCSI_BUS_DEVICE *ScsiBusDev;\r | |
309 | SCSI_TARGET_ID ScsiTargetId;\r | |
310 | EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath;\r | |
311 | EFI_SCSI_PASS_THRU_PROTOCOL *ScsiInterface;\r | |
312 | EFI_EXT_SCSI_PASS_THRU_PROTOCOL *ExtScsiInterface;\r | |
313 | EFI_SCSI_BUS_PROTOCOL *BusIdentify;\r | |
f36d6e66 | 314 | \r |
315 | TargetId = NULL;\r | |
f36d6e66 | 316 | ScanOtherPuns = TRUE;\r |
70c94b3b | 317 | FromFirstTarget = FALSE;\r |
f36d6e66 | 318 | ExtScsiSupport = FALSE;\r |
319 | PassThruStatus = EFI_SUCCESS;\r | |
d1102dba | 320 | \r |
d548f0a1 | 321 | TargetId = &ScsiTargetId.ScsiId.ExtScsi[0];\r |
322 | SetMem (TargetId, TARGET_MAX_BYTES, 0xFF);\r | |
d1102dba | 323 | \r |
f36d6e66 | 324 | DevicePathStatus = gBS->OpenProtocol (\r |
325 | Controller,\r | |
326 | &gEfiDevicePathProtocolGuid,\r | |
1436aea4 | 327 | (VOID **)&ParentDevicePath,\r |
f36d6e66 | 328 | This->DriverBindingHandle,\r |
329 | Controller,\r | |
330 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
331 | );\r | |
332 | if (EFI_ERROR (DevicePathStatus) && (DevicePathStatus != EFI_ALREADY_STARTED)) {\r | |
333 | return DevicePathStatus;\r | |
3a10d471 | 334 | }\r |
335 | \r | |
37623a5c | 336 | //\r |
337 | // Report Status Code to indicate SCSI bus starts\r | |
338 | //\r | |
339 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
340 | EFI_PROGRESS_CODE,\r | |
341 | (EFI_IO_BUS_SCSI | EFI_IOB_PC_INIT),\r | |
342 | ParentDevicePath\r | |
d1102dba | 343 | );\r |
37623a5c | 344 | \r |
3a10d471 | 345 | //\r |
d1102dba | 346 | // To keep backward compatibility, UEFI ExtPassThru Protocol is supported as well as\r |
f36d6e66 | 347 | // EFI PassThru Protocol. From priority perspective, ExtPassThru Protocol is firstly\r |
348 | // tried to open on host controller handle. If fails, then PassThru Protocol is tried instead.\r | |
3a10d471 | 349 | //\r |
350 | Status = gBS->OpenProtocol (\r | |
351 | Controller,\r | |
70c94b3b | 352 | &gEfiExtScsiPassThruProtocolGuid,\r |
1436aea4 | 353 | (VOID **)&ExtScsiInterface,\r |
3a10d471 | 354 | This->DriverBindingHandle,\r |
355 | Controller,\r | |
356 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
357 | );\r | |
f36d6e66 | 358 | //\r |
359 | // Fail to open UEFI ExtendPassThru Protocol, then try to open EFI PassThru Protocol instead.\r | |
360 | //\r | |
1436aea4 | 361 | if (EFI_ERROR (Status) && (Status != EFI_ALREADY_STARTED)) {\r |
70c94b3b | 362 | Status = gBS->OpenProtocol (\r |
363 | Controller,\r | |
364 | &gEfiScsiPassThruProtocolGuid,\r | |
1436aea4 | 365 | (VOID **)&ScsiInterface,\r |
70c94b3b | 366 | This->DriverBindingHandle,\r |
367 | Controller,\r | |
368 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
369 | );\r | |
f36d6e66 | 370 | //\r |
371 | // Fail to open EFI PassThru Protocol, Close the DevicePathProtocol if it is opened by this time.\r | |
372 | //\r | |
373 | if (EFI_ERROR (Status) && (Status != EFI_ALREADY_STARTED)) {\r | |
1436aea4 | 374 | if (!EFI_ERROR (DevicePathStatus)) {\r |
f36d6e66 | 375 | gBS->CloseProtocol (\r |
376 | Controller,\r | |
377 | &gEfiDevicePathProtocolGuid,\r | |
378 | This->DriverBindingHandle,\r | |
379 | Controller\r | |
380 | );\r | |
d1102dba | 381 | }\r |
1436aea4 | 382 | \r |
70c94b3b | 383 | return Status;\r |
d1102dba | 384 | }\r |
70c94b3b | 385 | } else {\r |
f36d6e66 | 386 | //\r |
d1102dba LG |
387 | // Succeed to open ExtPassThru Protocol, and meanwhile open PassThru Protocol\r |
388 | // with BY_DRIVER if it is also present on the handle. The intent is to prevent\r | |
f36d6e66 | 389 | // another SCSI Bus Driver to work on the same host handle.\r |
390 | //\r | |
391 | ExtScsiSupport = TRUE;\r | |
392 | PassThruStatus = gBS->OpenProtocol (\r | |
393 | Controller,\r | |
394 | &gEfiScsiPassThruProtocolGuid,\r | |
1436aea4 | 395 | (VOID **)&ScsiInterface,\r |
f36d6e66 | 396 | This->DriverBindingHandle,\r |
397 | Controller,\r | |
398 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
399 | );\r | |
70c94b3b | 400 | }\r |
d1102dba | 401 | \r |
f36d6e66 | 402 | if (Status != EFI_ALREADY_STARTED) {\r |
403 | //\r | |
404 | // Go through here means either ExtPassThru or PassThru Protocol is successfully opened\r | |
405 | // on this handle for this time. Then construct Host controller private data.\r | |
406 | //\r | |
407 | ScsiBusDev = NULL;\r | |
1436aea4 | 408 | ScsiBusDev = AllocateZeroPool (sizeof (SCSI_BUS_DEVICE));\r |
f36d6e66 | 409 | if (ScsiBusDev == NULL) {\r |
410 | Status = EFI_OUT_OF_RESOURCES;\r | |
411 | goto ErrorExit;\r | |
412 | }\r | |
1436aea4 MK |
413 | \r |
414 | ScsiBusDev->Signature = SCSI_BUS_DEVICE_SIGNATURE;\r | |
415 | ScsiBusDev->ExtScsiSupport = ExtScsiSupport;\r | |
416 | ScsiBusDev->DevicePath = ParentDevicePath;\r | |
70c94b3b | 417 | if (ScsiBusDev->ExtScsiSupport) {\r |
f36d6e66 | 418 | ScsiBusDev->ExtScsiInterface = ExtScsiInterface;\r |
70c94b3b | 419 | } else {\r |
1436aea4 | 420 | ScsiBusDev->ScsiInterface = ScsiInterface;\r |
70c94b3b | 421 | }\r |
f36d6e66 | 422 | \r |
423 | //\r | |
424 | // Install EFI_SCSI_BUS_PROTOCOL to the controller handle, So ScsiBusDev could be\r | |
425 | // retrieved on this controller handle. With ScsiBusDev, we can know which PassThru\r | |
426 | // Protocol is present on the handle, UEFI ExtPassThru Protocol or EFI PassThru Protocol.\r | |
d1102dba | 427 | //\r |
f36d6e66 | 428 | Status = gBS->InstallProtocolInterface (\r |
429 | &Controller,\r | |
c8ad2d7a | 430 | &gEfiCallerIdGuid,\r |
f36d6e66 | 431 | EFI_NATIVE_INTERFACE,\r |
432 | &ScsiBusDev->BusIdentify\r | |
433 | );\r | |
434 | if (EFI_ERROR (Status)) {\r | |
435 | goto ErrorExit;\r | |
436 | }\r | |
437 | } else {\r | |
438 | //\r | |
439 | // Go through here means Start() is re-invoked again, nothing special is required to do except\r | |
440 | // picking up Host controller private information.\r | |
441 | //\r | |
442 | Status = gBS->OpenProtocol (\r | |
443 | Controller,\r | |
c8ad2d7a | 444 | &gEfiCallerIdGuid,\r |
1436aea4 | 445 | (VOID **)&BusIdentify,\r |
f36d6e66 | 446 | This->DriverBindingHandle,\r |
447 | Controller,\r | |
448 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
449 | );\r | |
450 | \r | |
451 | if (EFI_ERROR (Status)) {\r | |
452 | return Status;\r | |
453 | }\r | |
1436aea4 | 454 | \r |
f36d6e66 | 455 | ScsiBusDev = SCSI_BUS_CONTROLLER_DEVICE_FROM_THIS (BusIdentify);\r |
3a10d471 | 456 | }\r |
457 | \r | |
37623a5c | 458 | //\r |
459 | // Report Status Code to indicate detecting devices on bus\r | |
460 | //\r | |
461 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
462 | EFI_PROGRESS_CODE,\r | |
463 | (EFI_IO_BUS_SCSI | EFI_IOB_PC_DETECT),\r | |
464 | ParentDevicePath\r | |
465 | );\r | |
466 | \r | |
1436aea4 | 467 | Lun = 0;\r |
3a10d471 | 468 | if (RemainingDevicePath == NULL) {\r |
af4a6385 | 469 | //\r |
d1102dba | 470 | // If RemainingDevicePath is NULL,\r |
af4a6385 | 471 | // must enumerate all SCSI devices anyway\r |
472 | //\r | |
70c94b3b | 473 | FromFirstTarget = TRUE;\r |
af4a6385 | 474 | } else if (!IsDevicePathEnd (RemainingDevicePath)) {\r |
475 | //\r | |
d1102dba | 476 | // If RemainingDevicePath isn't the End of Device Path Node,\r |
af4a6385 | 477 | // only scan the specified device by RemainingDevicePath\r |
478 | //\r | |
70c94b3b | 479 | if (ScsiBusDev->ExtScsiSupport) {\r |
d1102dba | 480 | Status = ScsiBusDev->ExtScsiInterface->GetTargetLun (ScsiBusDev->ExtScsiInterface, RemainingDevicePath, &TargetId, &Lun);\r |
70c94b3b | 481 | } else {\r |
d10a41e6 | 482 | Status = ScsiBusDev->ScsiInterface->GetTargetLun (ScsiBusDev->ScsiInterface, RemainingDevicePath, &ScsiTargetId.ScsiId.Scsi, &Lun);\r |
70c94b3b | 483 | }\r |
af4a6385 | 484 | \r |
d10a41e6 | 485 | if (EFI_ERROR (Status)) {\r |
486 | return Status;\r | |
487 | }\r | |
af4a6385 | 488 | } else {\r |
489 | //\r | |
490 | // If RemainingDevicePath is the End of Device Path Node,\r | |
cc530cd1 | 491 | // skip enumerate any device and return EFI_SUCCESS\r |
d1102dba | 492 | //\r |
af4a6385 | 493 | ScanOtherPuns = FALSE;\r |
3a10d471 | 494 | }\r |
495 | \r | |
1436aea4 | 496 | while (ScanOtherPuns) {\r |
70c94b3b | 497 | if (FromFirstTarget) {\r |
3a10d471 | 498 | //\r |
499 | // Remaining Device Path is NULL, scan all the possible Puns in the\r | |
500 | // SCSI Channel.\r | |
501 | //\r | |
70c94b3b | 502 | if (ScsiBusDev->ExtScsiSupport) {\r |
503 | Status = ScsiBusDev->ExtScsiInterface->GetNextTargetLun (ScsiBusDev->ExtScsiInterface, &TargetId, &Lun);\r | |
504 | } else {\r | |
d548f0a1 | 505 | Status = ScsiBusDev->ScsiInterface->GetNextDevice (ScsiBusDev->ScsiInterface, &ScsiTargetId.ScsiId.Scsi, &Lun);\r |
70c94b3b | 506 | }\r |
1436aea4 | 507 | \r |
3a10d471 | 508 | if (EFI_ERROR (Status)) {\r |
509 | //\r | |
510 | // no legal Pun and Lun found any more\r | |
511 | //\r | |
512 | break;\r | |
513 | }\r | |
514 | } else {\r | |
3a10d471 | 515 | ScanOtherPuns = FALSE;\r |
516 | }\r | |
1436aea4 | 517 | \r |
3a10d471 | 518 | //\r |
519 | // Avoid creating handle for the host adapter.\r | |
520 | //\r | |
70c94b3b | 521 | if (ScsiBusDev->ExtScsiSupport) {\r |
d548f0a1 | 522 | if ((ScsiTargetId.ScsiId.Scsi) == ScsiBusDev->ExtScsiInterface->Mode->AdapterId) {\r |
70c94b3b | 523 | continue;\r |
524 | }\r | |
525 | } else {\r | |
d548f0a1 | 526 | if ((ScsiTargetId.ScsiId.Scsi) == ScsiBusDev->ScsiInterface->Mode->AdapterId) {\r |
70c94b3b | 527 | continue;\r |
528 | }\r | |
3a10d471 | 529 | }\r |
1436aea4 | 530 | \r |
3a10d471 | 531 | //\r |
532 | // Scan for the scsi device, if it attaches to the scsi bus,\r | |
533 | // then create handle and install scsi i/o protocol.\r | |
534 | //\r | |
d548f0a1 | 535 | Status = ScsiScanCreateDevice (This, Controller, &ScsiTargetId, Lun, ScsiBusDev);\r |
eae9e51d S |
536 | if (Status == EFI_OUT_OF_RESOURCES) {\r |
537 | goto ErrorExit;\r | |
538 | }\r | |
3a10d471 | 539 | }\r |
1436aea4 | 540 | \r |
f36d6e66 | 541 | return EFI_SUCCESS;\r |
9b38ff34 | 542 | \r |
f36d6e66 | 543 | ErrorExit:\r |
d1102dba | 544 | \r |
f36d6e66 | 545 | if (ScsiBusDev != NULL) {\r |
9b38ff34 | 546 | FreePool (ScsiBusDev);\r |
f36d6e66 | 547 | }\r |
d1102dba | 548 | \r |
f36d6e66 | 549 | if (ExtScsiSupport) {\r |
550 | gBS->CloseProtocol (\r | |
551 | Controller,\r | |
552 | &gEfiExtScsiPassThruProtocolGuid,\r | |
553 | This->DriverBindingHandle,\r | |
554 | Controller\r | |
555 | );\r | |
556 | if (!EFI_ERROR (PassThruStatus)) {\r | |
557 | gBS->CloseProtocol (\r | |
558 | Controller,\r | |
559 | &gEfiScsiPassThruProtocolGuid,\r | |
560 | This->DriverBindingHandle,\r | |
561 | Controller\r | |
562 | );\r | |
563 | }\r | |
564 | } else {\r | |
565 | gBS->CloseProtocol (\r | |
566 | Controller,\r | |
567 | &gEfiScsiPassThruProtocolGuid,\r | |
568 | This->DriverBindingHandle,\r | |
569 | Controller\r | |
570 | );\r | |
571 | }\r | |
1436aea4 | 572 | \r |
3a10d471 | 573 | return Status;\r |
574 | }\r | |
575 | \r | |
9beb888e | 576 | /**\r |
577 | Stop this driver on ControllerHandle.\r | |
578 | \r | |
579 | This service is called by the EFI boot service DisconnectController().\r | |
580 | In order to make drivers as small as possible, there are a few calling\r | |
581 | restrictions for this service. DisconnectController() must follow these\r | |
582 | calling restrictions. If any other agent wishes to call Stop() it must also\r | |
583 | follow these calling restrictions.\r | |
d1102dba | 584 | \r |
9beb888e | 585 | @param This Protocol instance pointer.\r |
586 | @param ControllerHandle Handle of device to stop driver on\r | |
587 | @param NumberOfChildren Number of Handles in ChildHandleBuffer. If number of\r | |
588 | children is zero stop the entire bus driver.\r | |
589 | @param ChildHandleBuffer List of Child Handles to Stop.\r | |
590 | \r | |
591 | @retval EFI_SUCCESS This driver is removed ControllerHandle\r | |
592 | @retval other This driver was not removed from this device\r | |
593 | \r | |
594 | **/\r | |
3a10d471 | 595 | EFI_STATUS\r |
596 | EFIAPI\r | |
597 | SCSIBusDriverBindingStop (\r | |
1436aea4 MK |
598 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r |
599 | IN EFI_HANDLE Controller,\r | |
600 | IN UINTN NumberOfChildren,\r | |
601 | IN EFI_HANDLE *ChildHandleBuffer\r | |
3a10d471 | 602 | )\r |
3a10d471 | 603 | {\r |
1436aea4 MK |
604 | EFI_STATUS Status;\r |
605 | BOOLEAN AllChildrenStopped;\r | |
606 | UINTN Index;\r | |
607 | EFI_SCSI_IO_PROTOCOL *ScsiIo;\r | |
608 | SCSI_IO_DEV *ScsiIoDevice;\r | |
609 | VOID *ScsiPassThru;\r | |
610 | EFI_SCSI_BUS_PROTOCOL *Scsidentifier;\r | |
611 | SCSI_BUS_DEVICE *ScsiBusDev;\r | |
3a10d471 | 612 | \r |
613 | if (NumberOfChildren == 0) {\r | |
70c94b3b | 614 | //\r |
615 | // Get the SCSI_BUS_DEVICE\r | |
616 | //\r | |
617 | Status = gBS->OpenProtocol (\r | |
618 | Controller,\r | |
c8ad2d7a | 619 | &gEfiCallerIdGuid,\r |
1436aea4 | 620 | (VOID **)&Scsidentifier,\r |
70c94b3b | 621 | This->DriverBindingHandle,\r |
622 | Controller,\r | |
623 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
624 | );\r | |
c52fa98c | 625 | \r |
70c94b3b | 626 | if (EFI_ERROR (Status)) {\r |
627 | return EFI_DEVICE_ERROR;\r | |
628 | }\r | |
629 | \r | |
630 | ScsiBusDev = SCSI_BUS_CONTROLLER_DEVICE_FROM_THIS (Scsidentifier);\r | |
631 | \r | |
632 | //\r | |
633 | // Uninstall SCSI Bus Protocol\r | |
634 | //\r | |
635 | gBS->UninstallProtocolInterface (\r | |
636 | Controller,\r | |
c8ad2d7a | 637 | &gEfiCallerIdGuid,\r |
70c94b3b | 638 | &ScsiBusDev->BusIdentify\r |
639 | );\r | |
c52fa98c | 640 | \r |
3a10d471 | 641 | //\r |
642 | // Close the bus driver\r | |
643 | //\r | |
70c94b3b | 644 | if (ScsiBusDev->ExtScsiSupport) {\r |
1e5914b5 | 645 | //\r |
646 | // Close ExtPassThru Protocol from this controller handle\r | |
647 | //\r | |
70c94b3b | 648 | gBS->CloseProtocol (\r |
649 | Controller,\r | |
650 | &gEfiExtScsiPassThruProtocolGuid,\r | |
651 | This->DriverBindingHandle,\r | |
652 | Controller\r | |
653 | );\r | |
1e5914b5 | 654 | //\r |
655 | // When Start() succeeds to open ExtPassThru, it always tries to open PassThru BY_DRIVER.\r | |
cc530cd1 | 656 | // Its intent is to prevent another SCSI Bus Driver from working on the same host handle.\r |
1e5914b5 | 657 | // So Stop() needs to try to close PassThru if present here.\r |
658 | //\r | |
659 | gBS->CloseProtocol (\r | |
660 | Controller,\r | |
661 | &gEfiScsiPassThruProtocolGuid,\r | |
662 | This->DriverBindingHandle,\r | |
663 | Controller\r | |
664 | );\r | |
70c94b3b | 665 | } else {\r |
666 | gBS->CloseProtocol (\r | |
667 | Controller,\r | |
668 | &gEfiScsiPassThruProtocolGuid,\r | |
669 | This->DriverBindingHandle,\r | |
670 | Controller\r | |
671 | );\r | |
672 | }\r | |
3a10d471 | 673 | \r |
70c94b3b | 674 | gBS->CloseProtocol (\r |
675 | Controller,\r | |
676 | &gEfiDevicePathProtocolGuid,\r | |
677 | This->DriverBindingHandle,\r | |
678 | Controller\r | |
679 | );\r | |
6c94a00d | 680 | FreePool (ScsiBusDev);\r |
3a10d471 | 681 | return EFI_SUCCESS;\r |
682 | }\r | |
683 | \r | |
684 | AllChildrenStopped = TRUE;\r | |
685 | \r | |
686 | for (Index = 0; Index < NumberOfChildren; Index++) {\r | |
3a10d471 | 687 | Status = gBS->OpenProtocol (\r |
688 | ChildHandleBuffer[Index],\r | |
689 | &gEfiScsiIoProtocolGuid,\r | |
1436aea4 | 690 | (VOID **)&ScsiIo,\r |
3a10d471 | 691 | This->DriverBindingHandle,\r |
692 | Controller,\r | |
693 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
694 | );\r | |
695 | if (EFI_ERROR (Status)) {\r | |
696 | AllChildrenStopped = FALSE;\r | |
697 | continue;\r | |
698 | }\r | |
699 | \r | |
700 | ScsiIoDevice = SCSI_IO_DEV_FROM_THIS (ScsiIo);\r | |
701 | //\r | |
702 | // Close the child handle\r | |
703 | //\r | |
70c94b3b | 704 | if (ScsiIoDevice->ExtScsiSupport) {\r |
705 | Status = gBS->CloseProtocol (\r | |
706 | Controller,\r | |
707 | &gEfiExtScsiPassThruProtocolGuid,\r | |
708 | This->DriverBindingHandle,\r | |
709 | ChildHandleBuffer[Index]\r | |
710 | );\r | |
70c94b3b | 711 | } else {\r |
712 | Status = gBS->CloseProtocol (\r | |
713 | Controller,\r | |
714 | &gEfiScsiPassThruProtocolGuid,\r | |
715 | This->DriverBindingHandle,\r | |
716 | ChildHandleBuffer[Index]\r | |
717 | );\r | |
718 | }\r | |
3a10d471 | 719 | \r |
720 | Status = gBS->UninstallMultipleProtocolInterfaces (\r | |
721 | ChildHandleBuffer[Index],\r | |
722 | &gEfiDevicePathProtocolGuid,\r | |
723 | ScsiIoDevice->DevicePath,\r | |
724 | &gEfiScsiIoProtocolGuid,\r | |
725 | &ScsiIoDevice->ScsiIo,\r | |
726 | NULL\r | |
727 | );\r | |
728 | if (EFI_ERROR (Status)) {\r | |
729 | AllChildrenStopped = FALSE;\r | |
70c94b3b | 730 | if (ScsiIoDevice->ExtScsiSupport) {\r |
731 | gBS->OpenProtocol (\r | |
732 | Controller,\r | |
733 | &gEfiExtScsiPassThruProtocolGuid,\r | |
84b5c78e | 734 | &ScsiPassThru,\r |
70c94b3b | 735 | This->DriverBindingHandle,\r |
736 | ChildHandleBuffer[Index],\r | |
737 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r | |
738 | );\r | |
739 | } else {\r | |
740 | gBS->OpenProtocol (\r | |
741 | Controller,\r | |
742 | &gEfiScsiPassThruProtocolGuid,\r | |
84b5c78e | 743 | &ScsiPassThru,\r |
70c94b3b | 744 | This->DriverBindingHandle,\r |
745 | ChildHandleBuffer[Index],\r | |
746 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r | |
747 | );\r | |
748 | }\r | |
3a10d471 | 749 | } else {\r |
6c94a00d | 750 | FreePool (ScsiIoDevice);\r |
3a10d471 | 751 | }\r |
752 | }\r | |
753 | \r | |
754 | if (!AllChildrenStopped) {\r | |
755 | return EFI_DEVICE_ERROR;\r | |
756 | }\r | |
757 | \r | |
758 | return EFI_SUCCESS;\r | |
759 | }\r | |
760 | \r | |
9beb888e | 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 | |
d1102dba | 766 | the SCSI Controller.\r |
9beb888e | 767 | \r |
768 | @retval EFI_SUCCESS Retrieves the device type information successfully.\r | |
769 | @retval EFI_INVALID_PARAMETER The DeviceType is NULL.\r | |
d1102dba | 770 | \r |
9beb888e | 771 | **/\r |
3a10d471 | 772 | EFI_STATUS\r |
773 | EFIAPI\r | |
774 | ScsiGetDeviceType (\r | |
1436aea4 MK |
775 | IN EFI_SCSI_IO_PROTOCOL *This,\r |
776 | OUT UINT8 *DeviceType\r | |
3a10d471 | 777 | )\r |
3a10d471 | 778 | {\r |
1436aea4 | 779 | SCSI_IO_DEV *ScsiIoDevice;\r |
3a10d471 | 780 | \r |
781 | if (DeviceType == NULL) {\r | |
782 | return EFI_INVALID_PARAMETER;\r | |
783 | }\r | |
784 | \r | |
1436aea4 MK |
785 | ScsiIoDevice = SCSI_IO_DEV_FROM_THIS (This);\r |
786 | *DeviceType = ScsiIoDevice->ScsiDeviceType;\r | |
3a10d471 | 787 | return EFI_SUCCESS;\r |
788 | }\r | |
789 | \r | |
9beb888e | 790 | /**\r |
791 | Retrieves the device location in the SCSI channel.\r | |
792 | \r | |
793 | @param This Protocol instance pointer.\r | |
794 | @param Target A pointer to the Target ID of a SCSI device\r | |
795 | on the SCSI channel.\r | |
796 | @param Lun A pointer to the LUN of the SCSI device on\r | |
797 | the SCSI channel.\r | |
798 | \r | |
799 | @retval EFI_SUCCESS Retrieves the device location successfully.\r | |
800 | @retval EFI_INVALID_PARAMETER The Target or Lun is NULL.\r | |
801 | \r | |
802 | **/\r | |
3a10d471 | 803 | EFI_STATUS\r |
804 | EFIAPI\r | |
805 | ScsiGetDeviceLocation (\r | |
1436aea4 MK |
806 | IN EFI_SCSI_IO_PROTOCOL *This,\r |
807 | IN OUT UINT8 **Target,\r | |
808 | OUT UINT64 *Lun\r | |
3a10d471 | 809 | )\r |
3a10d471 | 810 | {\r |
1436aea4 | 811 | SCSI_IO_DEV *ScsiIoDevice;\r |
3a10d471 | 812 | \r |
1436aea4 | 813 | if ((Target == NULL) || (Lun == NULL)) {\r |
3a10d471 | 814 | return EFI_INVALID_PARAMETER;\r |
815 | }\r | |
816 | \r | |
f36d6e66 | 817 | ScsiIoDevice = SCSI_IO_DEV_FROM_THIS (This);\r |
3a10d471 | 818 | \r |
1436aea4 | 819 | CopyMem (*Target, &ScsiIoDevice->Pun, TARGET_MAX_BYTES);\r |
70c94b3b | 820 | \r |
1436aea4 | 821 | *Lun = ScsiIoDevice->Lun;\r |
3a10d471 | 822 | \r |
823 | return EFI_SUCCESS;\r | |
824 | }\r | |
825 | \r | |
9beb888e | 826 | /**\r |
827 | Resets the SCSI Bus that the SCSI Controller is attached to.\r | |
828 | \r | |
829 | @param This Protocol instance pointer.\r | |
830 | \r | |
831 | @retval EFI_SUCCESS The SCSI bus is reset successfully.\r | |
832 | @retval EFI_DEVICE_ERROR Errors encountered when resetting the SCSI bus.\r | |
833 | @retval EFI_UNSUPPORTED The bus reset operation is not supported by the\r | |
834 | SCSI Host Controller.\r | |
d1102dba | 835 | @retval EFI_TIMEOUT A timeout occurred while attempting to reset\r |
9beb888e | 836 | the SCSI bus.\r |
837 | **/\r | |
3a10d471 | 838 | EFI_STATUS\r |
839 | EFIAPI\r | |
840 | ScsiResetBus (\r | |
1436aea4 | 841 | IN EFI_SCSI_IO_PROTOCOL *This\r |
3a10d471 | 842 | )\r |
3a10d471 | 843 | {\r |
1436aea4 | 844 | SCSI_IO_DEV *ScsiIoDevice;\r |
3a10d471 | 845 | \r |
846 | ScsiIoDevice = SCSI_IO_DEV_FROM_THIS (This);\r | |
847 | \r | |
37623a5c | 848 | //\r |
849 | // Report Status Code to indicate reset happens\r | |
850 | //\r | |
851 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
852 | EFI_PROGRESS_CODE,\r | |
853 | (EFI_IO_BUS_ATA_ATAPI | EFI_IOB_PC_RESET),\r | |
854 | ScsiIoDevice->ScsiBusDeviceData->DevicePath\r | |
855 | );\r | |
856 | \r | |
1436aea4 | 857 | if (ScsiIoDevice->ExtScsiSupport) {\r |
70c94b3b | 858 | return ScsiIoDevice->ExtScsiPassThru->ResetChannel (ScsiIoDevice->ExtScsiPassThru);\r |
859 | } else {\r | |
860 | return ScsiIoDevice->ScsiPassThru->ResetChannel (ScsiIoDevice->ScsiPassThru);\r | |
861 | }\r | |
3a10d471 | 862 | }\r |
863 | \r | |
9beb888e | 864 | /**\r |
865 | Resets the SCSI Controller that the device handle specifies.\r | |
866 | \r | |
867 | @param This Protocol instance pointer.\r | |
868 | \r | |
869 | @retval EFI_SUCCESS Reset the SCSI controller successfully.\r | |
870 | @retval EFI_DEVICE_ERROR Errors are encountered when resetting the SCSI Controller.\r | |
871 | @retval EFI_UNSUPPORTED The SCSI bus does not support a device reset operation.\r | |
872 | @retval EFI_TIMEOUT A timeout occurred while attempting to reset the\r | |
873 | SCSI Controller.\r | |
874 | **/\r | |
3a10d471 | 875 | EFI_STATUS\r |
876 | EFIAPI\r | |
877 | ScsiResetDevice (\r | |
1436aea4 | 878 | IN EFI_SCSI_IO_PROTOCOL *This\r |
3a10d471 | 879 | )\r |
3a10d471 | 880 | {\r |
f36d6e66 | 881 | SCSI_IO_DEV *ScsiIoDevice;\r |
70c94b3b | 882 | UINT8 Target[TARGET_MAX_BYTES];\r |
3a10d471 | 883 | \r |
884 | ScsiIoDevice = SCSI_IO_DEV_FROM_THIS (This);\r | |
37623a5c | 885 | \r |
886 | //\r | |
887 | // Report Status Code to indicate reset happens\r | |
888 | //\r | |
889 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
890 | EFI_PROGRESS_CODE,\r | |
891 | (EFI_IO_BUS_ATA_ATAPI | EFI_IOB_PC_RESET),\r | |
892 | ScsiIoDevice->ScsiBusDeviceData->DevicePath\r | |
893 | );\r | |
d1102dba | 894 | \r |
1436aea4 | 895 | CopyMem (Target, &ScsiIoDevice->Pun, TARGET_MAX_BYTES);\r |
3a10d471 | 896 | \r |
70c94b3b | 897 | if (ScsiIoDevice->ExtScsiSupport) {\r |
898 | return ScsiIoDevice->ExtScsiPassThru->ResetTargetLun (\r | |
1436aea4 MK |
899 | ScsiIoDevice->ExtScsiPassThru,\r |
900 | Target,\r | |
901 | ScsiIoDevice->Lun\r | |
902 | );\r | |
70c94b3b | 903 | } else {\r |
904 | return ScsiIoDevice->ScsiPassThru->ResetTarget (\r | |
1436aea4 MK |
905 | ScsiIoDevice->ScsiPassThru,\r |
906 | ScsiIoDevice->Pun.ScsiId.Scsi,\r | |
907 | ScsiIoDevice->Lun\r | |
908 | );\r | |
70c94b3b | 909 | }\r |
3a10d471 | 910 | }\r |
911 | \r | |
9beb888e | 912 | /**\r |
f36d6e66 | 913 | Sends a SCSI Request Packet to the SCSI Controller for execution.\r |
f36d6e66 | 914 | \r |
9beb888e | 915 | @param This Protocol instance pointer.\r |
d1102dba | 916 | @param CommandPacket The SCSI request packet to send to the SCSI\r |
f36d6e66 | 917 | Controller specified by the device handle.\r |
9beb888e | 918 | @param Event If the SCSI bus where the SCSI device is attached\r |
d1102dba LG |
919 | does not support non-blocking I/O, then Event is\r |
920 | ignored, and blocking I/O is performed.\r | |
f36d6e66 | 921 | If Event is NULL, then blocking I/O is performed.\r |
d1102dba | 922 | If Event is not NULL and non-blocking I/O is\r |
f36d6e66 | 923 | supported, then non-blocking I/O is performed,\r |
924 | and Event will be signaled when the SCSI Request\r | |
925 | Packet completes.\r | |
9beb888e | 926 | \r |
d1102dba LG |
927 | @retval EFI_SUCCESS The SCSI Request Packet was sent by the host\r |
928 | successfully, and TransferLength bytes were\r | |
929 | transferred to/from DataBuffer.See\r | |
930 | HostAdapterStatus, TargetStatus,\r | |
9beb888e | 931 | SenseDataLength, and SenseData in that order\r |
932 | for additional status information.\r | |
d1102dba | 933 | @retval EFI_BAD_BUFFER_SIZE The SCSI Request Packet was executed,\r |
9beb888e | 934 | but the entire DataBuffer could not be transferred.\r |
935 | The actual number of bytes transferred is returned\r | |
d1102dba LG |
936 | in TransferLength. See HostAdapterStatus,\r |
937 | TargetStatus, SenseDataLength, and SenseData in\r | |
9beb888e | 938 | that order for additional status information.\r |
d1102dba LG |
939 | @retval EFI_NOT_READY The SCSI Request Packet could not be sent because\r |
940 | there are too many SCSI Command Packets already\r | |
9beb888e | 941 | queued.The caller may retry again later.\r |
d1102dba LG |
942 | @retval EFI_DEVICE_ERROR A device error occurred while attempting to send\r |
943 | the SCSI Request Packet. See HostAdapterStatus,\r | |
944 | TargetStatus, SenseDataLength, and SenseData in\r | |
9beb888e | 945 | that order for additional status information.\r |
d1102dba LG |
946 | @retval EFI_INVALID_PARAMETER The contents of CommandPacket are invalid.\r |
947 | The SCSI Request Packet was not sent, so no\r | |
9beb888e | 948 | additional status information is available.\r |
949 | @retval EFI_UNSUPPORTED The command described by the SCSI Request Packet\r | |
d1102dba | 950 | is not supported by the SCSI initiator(i.e., SCSI\r |
9beb888e | 951 | Host Controller). The SCSI Request Packet was not\r |
d1102dba | 952 | sent, so no additional status information is\r |
9beb888e | 953 | available.\r |
d1102dba | 954 | @retval EFI_TIMEOUT A timeout occurred while waiting for the SCSI\r |
9beb888e | 955 | Request Packet to execute. See HostAdapterStatus,\r |
d1102dba | 956 | TargetStatus, SenseDataLength, and SenseData in\r |
9beb888e | 957 | that order for additional status information.\r |
958 | **/\r | |
959 | EFI_STATUS\r | |
960 | EFIAPI\r | |
961 | ScsiExecuteSCSICommand (\r | |
1436aea4 MK |
962 | IN EFI_SCSI_IO_PROTOCOL *This,\r |
963 | IN OUT EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet,\r | |
964 | IN EFI_EVENT Event OPTIONAL\r | |
9beb888e | 965 | )\r |
3a10d471 | 966 | {\r |
f36d6e66 | 967 | SCSI_IO_DEV *ScsiIoDevice;\r |
968 | EFI_STATUS Status;\r | |
70c94b3b | 969 | UINT8 Target[TARGET_MAX_BYTES];\r |
970 | EFI_EVENT PacketEvent;\r | |
971 | EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *ExtRequestPacket;\r | |
d1102dba | 972 | SCSI_EVENT_DATA EventData;\r |
3a10d471 | 973 | \r |
70c94b3b | 974 | PacketEvent = NULL;\r |
d1102dba | 975 | \r |
3a10d471 | 976 | if (Packet == NULL) {\r |
977 | return EFI_INVALID_PARAMETER;\r | |
978 | }\r | |
979 | \r | |
1436aea4 MK |
980 | ScsiIoDevice = SCSI_IO_DEV_FROM_THIS (This);\r |
981 | CopyMem (Target, &ScsiIoDevice->Pun, TARGET_MAX_BYTES);\r | |
c52fa98c | 982 | \r |
70c94b3b | 983 | if (ScsiIoDevice->ExtScsiSupport) {\r |
1436aea4 | 984 | ExtRequestPacket = (EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *)Packet;\r |
0d12e6a0 HW |
985 | \r |
986 | if (((ScsiIoDevice->ExtScsiPassThru->Mode->Attributes & EFI_SCSI_PASS_THRU_ATTRIBUTES_NONBLOCKIO) != 0) && (Event != NULL)) {\r | |
987 | Status = ScsiIoDevice->ExtScsiPassThru->PassThru (\r | |
988 | ScsiIoDevice->ExtScsiPassThru,\r | |
989 | Target,\r | |
990 | ScsiIoDevice->Lun,\r | |
991 | ExtRequestPacket,\r | |
992 | Event\r | |
993 | );\r | |
994 | } else {\r | |
995 | //\r | |
996 | // If there's no event or the SCSI Device doesn't support NON-BLOCKING,\r | |
997 | // let the 'Event' parameter for PassThru() be NULL.\r | |
998 | //\r | |
999 | Status = ScsiIoDevice->ExtScsiPassThru->PassThru (\r | |
1000 | ScsiIoDevice->ExtScsiPassThru,\r | |
1001 | Target,\r | |
1002 | ScsiIoDevice->Lun,\r | |
1003 | ExtRequestPacket,\r | |
1004 | NULL\r | |
1005 | );\r | |
1436aea4 | 1006 | if ((!EFI_ERROR (Status)) && (Event != NULL)) {\r |
0d12e6a0 | 1007 | //\r |
9f840a9e HW |
1008 | // Signal Event to tell caller to pick up the SCSI IO packet if the\r |
1009 | // PassThru() succeeds.\r | |
0d12e6a0 HW |
1010 | //\r |
1011 | gBS->SignalEvent (Event);\r | |
1012 | }\r | |
1013 | }\r | |
70c94b3b | 1014 | } else {\r |
1436aea4 | 1015 | mWorkingBuffer = AllocatePool (sizeof (EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET));\r |
3a10d471 | 1016 | \r |
9b38ff34 | 1017 | if (mWorkingBuffer == NULL) {\r |
70c94b3b | 1018 | return EFI_DEVICE_ERROR;\r |
1019 | }\r | |
1020 | \r | |
1021 | //\r | |
c52fa98c | 1022 | // Convert package into EFI1.0, EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET.\r |
70c94b3b | 1023 | //\r |
1436aea4 MK |
1024 | Status = ScsiioToPassThruPacket (Packet, (EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *)mWorkingBuffer);\r |
1025 | if (EFI_ERROR (Status)) {\r | |
1026 | FreePool (mWorkingBuffer);\r | |
70c94b3b | 1027 | return Status;\r |
1028 | }\r | |
1029 | \r | |
7077edb3 | 1030 | if (((ScsiIoDevice->ScsiPassThru->Mode->Attributes & EFI_SCSI_PASS_THRU_ATTRIBUTES_NONBLOCKIO) != 0) && (Event != NULL)) {\r |
1436aea4 | 1031 | EventData.Data1 = (VOID *)Packet;\r |
70c94b3b | 1032 | EventData.Data2 = Event;\r |
1033 | //\r | |
1034 | // Create Event\r | |
1035 | //\r | |
1036 | Status = gBS->CreateEvent (\r | |
1436aea4 MK |
1037 | EVT_NOTIFY_SIGNAL,\r |
1038 | TPL_NOTIFY,\r | |
1039 | NotifyFunction,\r | |
1040 | &EventData,\r | |
1041 | &PacketEvent\r | |
1042 | );\r | |
1043 | if (EFI_ERROR (Status)) {\r | |
1044 | FreePool (mWorkingBuffer);\r | |
70c94b3b | 1045 | return Status;\r |
1046 | }\r | |
c52fa98c | 1047 | \r |
70c94b3b | 1048 | Status = ScsiIoDevice->ScsiPassThru->PassThru (\r |
1436aea4 MK |
1049 | ScsiIoDevice->ScsiPassThru,\r |
1050 | ScsiIoDevice->Pun.ScsiId.Scsi,\r | |
1051 | ScsiIoDevice->Lun,\r | |
1052 | mWorkingBuffer,\r | |
1053 | PacketEvent\r | |
1054 | );\r | |
70c94b3b | 1055 | \r |
1436aea4 MK |
1056 | if (EFI_ERROR (Status)) {\r |
1057 | FreePool (mWorkingBuffer);\r | |
1058 | gBS->CloseEvent (PacketEvent);\r | |
70c94b3b | 1059 | return Status;\r |
1060 | }\r | |
70c94b3b | 1061 | } else {\r |
1062 | //\r | |
1063 | // If there's no event or SCSI Device doesn't support NON-BLOCKING, just convert\r | |
1064 | // EFI1.0 PassThru packet back to UEFI2.0 SCSI IO Packet.\r | |
1065 | //\r | |
1066 | Status = ScsiIoDevice->ScsiPassThru->PassThru (\r | |
1436aea4 MK |
1067 | ScsiIoDevice->ScsiPassThru,\r |
1068 | ScsiIoDevice->Pun.ScsiId.Scsi,\r | |
1069 | ScsiIoDevice->Lun,\r | |
1070 | mWorkingBuffer,\r | |
1071 | NULL\r | |
1072 | );\r | |
1073 | if (EFI_ERROR (Status)) {\r | |
1074 | FreePool (mWorkingBuffer);\r | |
70c94b3b | 1075 | return Status;\r |
1076 | }\r | |
1077 | \r | |
1436aea4 | 1078 | PassThruToScsiioPacket ((EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *)mWorkingBuffer, Packet);\r |
70c94b3b | 1079 | //\r |
1080 | // After converting EFI1.0 PassThru Packet back to UEFI2.0 SCSI IO Packet,\r | |
9beb888e | 1081 | // free mWorkingBuffer.\r |
70c94b3b | 1082 | //\r |
1436aea4 | 1083 | FreePool (mWorkingBuffer);\r |
0d12e6a0 HW |
1084 | \r |
1085 | //\r | |
1086 | // Signal Event to tell caller to pick up the SCSI IO Packet.\r | |
1087 | //\r | |
1088 | if (Event != NULL) {\r | |
1089 | gBS->SignalEvent (Event);\r | |
1090 | }\r | |
70c94b3b | 1091 | }\r |
1092 | }\r | |
1436aea4 | 1093 | \r |
3a10d471 | 1094 | return Status;\r |
1095 | }\r | |
1096 | \r | |
9beb888e | 1097 | /**\r |
70c94b3b | 1098 | Scan SCSI Bus to discover the device, and attach ScsiIoProtocol to it.\r |
3a10d471 | 1099 | \r |
9beb888e | 1100 | @param This Protocol instance pointer\r |
1101 | @param Controller Controller handle\r | |
cc530cd1 | 1102 | @param TargetId Target to be scanned\r |
9beb888e | 1103 | @param Lun The Lun of the SCSI device on the SCSI channel.\r |
1104 | @param ScsiBusDev The pointer of SCSI_BUS_DEVICE\r | |
3a10d471 | 1105 | \r |
9beb888e | 1106 | @retval EFI_SUCCESS Successfully to discover the device and attach\r |
1107 | ScsiIoProtocol to it.\r | |
d375273c YY |
1108 | @retval EFI_NOT_FOUND Fail to discover the device.\r |
1109 | @retval EFI_OUT_OF_RESOURCES Fail to allocate memory resources.\r | |
3a10d471 | 1110 | \r |
9beb888e | 1111 | **/\r |
1112 | EFI_STATUS\r | |
1113 | EFIAPI\r | |
1114 | ScsiScanCreateDevice (\r | |
1436aea4 MK |
1115 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r |
1116 | IN EFI_HANDLE Controller,\r | |
1117 | IN SCSI_TARGET_ID *TargetId,\r | |
1118 | IN UINT64 Lun,\r | |
1119 | IN OUT SCSI_BUS_DEVICE *ScsiBusDev\r | |
9beb888e | 1120 | )\r |
3a10d471 | 1121 | {\r |
1122 | EFI_STATUS Status;\r | |
1123 | SCSI_IO_DEV *ScsiIoDevice;\r | |
1124 | EFI_DEVICE_PATH_PROTOCOL *ScsiDevicePath;\r | |
cbd2a4b3 | 1125 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r |
1126 | EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath;\r | |
1436aea4 | 1127 | EFI_HANDLE DeviceHandle;\r |
cbd2a4b3 | 1128 | \r |
1129 | DevicePath = NULL;\r | |
1130 | RemainingDevicePath = NULL;\r | |
1131 | ScsiDevicePath = NULL;\r | |
1132 | ScsiIoDevice = NULL;\r | |
1133 | \r | |
1134 | //\r | |
1135 | // Build Device Path\r | |
1136 | //\r | |
1436aea4 | 1137 | if (ScsiBusDev->ExtScsiSupport) {\r |
cbd2a4b3 | 1138 | Status = ScsiBusDev->ExtScsiInterface->BuildDevicePath (\r |
1139 | ScsiBusDev->ExtScsiInterface,\r | |
1140 | &TargetId->ScsiId.ExtScsi[0],\r | |
1141 | Lun,\r | |
1142 | &ScsiDevicePath\r | |
1143 | );\r | |
1144 | } else {\r | |
e7c2a83b | 1145 | Status = ScsiBusDev->ScsiInterface->BuildDevicePath (\r |
1146 | ScsiBusDev->ScsiInterface,\r | |
1147 | TargetId->ScsiId.Scsi,\r | |
1148 | Lun,\r | |
1149 | &ScsiDevicePath\r | |
1150 | );\r | |
cbd2a4b3 | 1151 | }\r |
1152 | \r | |
1436aea4 | 1153 | if (EFI_ERROR (Status)) {\r |
cbd2a4b3 | 1154 | return Status;\r |
1155 | }\r | |
1156 | \r | |
1157 | DevicePath = AppendDevicePathNode (\r | |
1158 | ScsiBusDev->DevicePath,\r | |
1159 | ScsiDevicePath\r | |
1160 | );\r | |
1161 | \r | |
1162 | if (DevicePath == NULL) {\r | |
1163 | Status = EFI_OUT_OF_RESOURCES;\r | |
1164 | goto ErrorExit;\r | |
1165 | }\r | |
1166 | \r | |
1436aea4 | 1167 | DeviceHandle = NULL;\r |
cbd2a4b3 | 1168 | RemainingDevicePath = DevicePath;\r |
1436aea4 MK |
1169 | Status = gBS->LocateDevicePath (&gEfiDevicePathProtocolGuid, &RemainingDevicePath, &DeviceHandle);\r |
1170 | if (!EFI_ERROR (Status) && (DeviceHandle != NULL) && IsDevicePathEnd (RemainingDevicePath)) {\r | |
cbd2a4b3 | 1171 | //\r |
1172 | // The device has been started, directly return to fast boot.\r | |
1173 | //\r | |
1174 | Status = EFI_ALREADY_STARTED;\r | |
1175 | goto ErrorExit;\r | |
1176 | }\r | |
3a10d471 | 1177 | \r |
9beb888e | 1178 | ScsiIoDevice = AllocateZeroPool (sizeof (SCSI_IO_DEV));\r |
1179 | if (ScsiIoDevice == NULL) {\r | |
cbd2a4b3 | 1180 | Status = EFI_OUT_OF_RESOURCES;\r |
1181 | goto ErrorExit;\r | |
3a10d471 | 1182 | }\r |
1183 | \r | |
1436aea4 MK |
1184 | ScsiIoDevice->Signature = SCSI_IO_DEV_SIGNATURE;\r |
1185 | ScsiIoDevice->ScsiBusDeviceData = ScsiBusDev;\r | |
1186 | CopyMem (&ScsiIoDevice->Pun, TargetId, TARGET_MAX_BYTES);\r | |
1187 | ScsiIoDevice->Lun = Lun;\r | |
3a10d471 | 1188 | \r |
70c94b3b | 1189 | if (ScsiBusDev->ExtScsiSupport) {\r |
1436aea4 MK |
1190 | ScsiIoDevice->ExtScsiPassThru = ScsiBusDev->ExtScsiInterface;\r |
1191 | ScsiIoDevice->ExtScsiSupport = TRUE;\r | |
1192 | ScsiIoDevice->ScsiIo.IoAlign = ScsiIoDevice->ExtScsiPassThru->Mode->IoAlign;\r | |
70c94b3b | 1193 | } else {\r |
1436aea4 MK |
1194 | ScsiIoDevice->ScsiPassThru = ScsiBusDev->ScsiInterface;\r |
1195 | ScsiIoDevice->ExtScsiSupport = FALSE;\r | |
1196 | ScsiIoDevice->ScsiIo.IoAlign = ScsiIoDevice->ScsiPassThru->Mode->IoAlign;\r | |
70c94b3b | 1197 | }\r |
1198 | \r | |
3a10d471 | 1199 | ScsiIoDevice->ScsiIo.GetDeviceType = ScsiGetDeviceType;\r |
70c94b3b | 1200 | ScsiIoDevice->ScsiIo.GetDeviceLocation = ScsiGetDeviceLocation;\r |
3a10d471 | 1201 | ScsiIoDevice->ScsiIo.ResetBus = ScsiResetBus;\r |
1202 | ScsiIoDevice->ScsiIo.ResetDevice = ScsiResetDevice;\r | |
24e734d2 | 1203 | ScsiIoDevice->ScsiIo.ExecuteScsiCommand = ScsiExecuteSCSICommand;\r |
3a10d471 | 1204 | \r |
37623a5c | 1205 | //\r |
1206 | // Report Status Code here since the new SCSI device will be discovered\r | |
1207 | //\r | |
1208 | REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r | |
1209 | EFI_PROGRESS_CODE,\r | |
1210 | (EFI_IO_BUS_SCSI | EFI_IOB_PC_ENABLE),\r | |
1211 | ScsiBusDev->DevicePath\r | |
1212 | );\r | |
1213 | \r | |
d375273c YY |
1214 | Status = DiscoverScsiDevice (ScsiIoDevice);\r |
1215 | if (EFI_ERROR (Status)) {\r | |
cbd2a4b3 | 1216 | goto ErrorExit;\r |
3a10d471 | 1217 | }\r |
70c94b3b | 1218 | \r |
cbd2a4b3 | 1219 | ScsiIoDevice->DevicePath = DevicePath;\r |
c52fa98c | 1220 | \r |
3a10d471 | 1221 | Status = gBS->InstallMultipleProtocolInterfaces (\r |
1222 | &ScsiIoDevice->Handle,\r | |
1223 | &gEfiDevicePathProtocolGuid,\r | |
1224 | ScsiIoDevice->DevicePath,\r | |
1225 | &gEfiScsiIoProtocolGuid,\r | |
1226 | &ScsiIoDevice->ScsiIo,\r | |
1227 | NULL\r | |
1228 | );\r | |
1229 | if (EFI_ERROR (Status)) {\r | |
cbd2a4b3 | 1230 | goto ErrorExit;\r |
3a10d471 | 1231 | } else {\r |
70c94b3b | 1232 | if (ScsiBusDev->ExtScsiSupport) {\r |
1233 | gBS->OpenProtocol (\r | |
cbd2a4b3 | 1234 | Controller,\r |
1235 | &gEfiExtScsiPassThruProtocolGuid,\r | |
1436aea4 | 1236 | (VOID **)&(ScsiBusDev->ExtScsiInterface),\r |
cbd2a4b3 | 1237 | This->DriverBindingHandle,\r |
1238 | ScsiIoDevice->Handle,\r | |
1239 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r | |
1240 | );\r | |
1436aea4 | 1241 | } else {\r |
70c94b3b | 1242 | gBS->OpenProtocol (\r |
cbd2a4b3 | 1243 | Controller,\r |
1244 | &gEfiScsiPassThruProtocolGuid,\r | |
1436aea4 | 1245 | (VOID **)&(ScsiBusDev->ScsiInterface),\r |
cbd2a4b3 | 1246 | This->DriverBindingHandle,\r |
1247 | ScsiIoDevice->Handle,\r | |
1248 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r | |
1249 | );\r | |
1436aea4 | 1250 | }\r |
3a10d471 | 1251 | }\r |
1436aea4 | 1252 | \r |
3a10d471 | 1253 | return EFI_SUCCESS;\r |
cbd2a4b3 | 1254 | \r |
1255 | ErrorExit:\r | |
d1102dba | 1256 | \r |
cbd2a4b3 | 1257 | //\r |
1258 | // The memory space for ScsiDevicePath is allocated in\r | |
1259 | // ScsiPassThru->BuildDevicePath() function; It is no longer used\r | |
1260 | // after AppendDevicePathNode,so free the memory it occupies.\r | |
1261 | //\r | |
1262 | FreePool (ScsiDevicePath);\r | |
1263 | \r | |
1264 | if (DevicePath != NULL) {\r | |
1265 | FreePool (DevicePath);\r | |
1266 | }\r | |
1267 | \r | |
1268 | if (ScsiIoDevice != NULL) {\r | |
1269 | FreePool (ScsiIoDevice);\r | |
1270 | }\r | |
1271 | \r | |
1272 | return Status;\r | |
3a10d471 | 1273 | }\r |
1274 | \r | |
9beb888e | 1275 | /**\r |
70c94b3b | 1276 | Discovery SCSI Device\r |
3a10d471 | 1277 | \r |
9beb888e | 1278 | @param ScsiIoDevice The pointer of SCSI_IO_DEV\r |
3a10d471 | 1279 | \r |
d375273c YY |
1280 | @retval EFI_SUCCESS Find SCSI Device and verify it.\r |
1281 | @retval EFI_NOT_FOUND Unable to find SCSI Device.\r | |
1282 | @retval EFI_OUT_OF_RESOURCES Fail to allocate memory resources.\r | |
3a10d471 | 1283 | \r |
9beb888e | 1284 | **/\r |
d375273c | 1285 | EFI_STATUS\r |
9beb888e | 1286 | DiscoverScsiDevice (\r |
1436aea4 | 1287 | IN OUT SCSI_IO_DEV *ScsiIoDevice\r |
9beb888e | 1288 | )\r |
3a10d471 | 1289 | {\r |
1436aea4 MK |
1290 | EFI_STATUS Status;\r |
1291 | UINT32 InquiryDataLength;\r | |
1292 | UINT8 SenseDataLength;\r | |
1293 | UINT8 HostAdapterStatus;\r | |
1294 | UINT8 TargetStatus;\r | |
1295 | EFI_SCSI_INQUIRY_DATA *InquiryData;\r | |
1296 | EFI_SCSI_SENSE_DATA *SenseData;\r | |
1297 | UINT8 MaxRetry;\r | |
1298 | UINT8 Index;\r | |
3a10d471 | 1299 | \r |
1300 | HostAdapterStatus = 0;\r | |
1301 | TargetStatus = 0;\r | |
ce13d2d8 | 1302 | SenseData = NULL;\r |
957fe093 SZ |
1303 | \r |
1304 | InquiryData = AllocateAlignedBuffer (ScsiIoDevice, sizeof (EFI_SCSI_INQUIRY_DATA));\r | |
1305 | if (InquiryData == NULL) {\r | |
d375273c | 1306 | Status = EFI_OUT_OF_RESOURCES;\r |
957fe093 SZ |
1307 | goto Done;\r |
1308 | }\r | |
1309 | \r | |
ce13d2d8 LE |
1310 | SenseData = AllocateAlignedBuffer (\r |
1311 | ScsiIoDevice,\r | |
1312 | sizeof (EFI_SCSI_SENSE_DATA)\r | |
1313 | );\r | |
1314 | if (SenseData == NULL) {\r | |
d375273c | 1315 | Status = EFI_OUT_OF_RESOURCES;\r |
ce13d2d8 LE |
1316 | goto Done;\r |
1317 | }\r | |
1318 | \r | |
3a10d471 | 1319 | //\r |
1320 | // Using Inquiry command to scan for the device\r | |
1321 | //\r | |
1322 | InquiryDataLength = sizeof (EFI_SCSI_INQUIRY_DATA);\r | |
ce13d2d8 | 1323 | SenseDataLength = sizeof (EFI_SCSI_SENSE_DATA);\r |
957fe093 | 1324 | ZeroMem (InquiryData, InquiryDataLength);\r |
ce13d2d8 | 1325 | ZeroMem (SenseData, SenseDataLength);\r |
cbd2a4b3 | 1326 | \r |
1327 | MaxRetry = 2;\r | |
1328 | for (Index = 0; Index < MaxRetry; Index++) {\r | |
1329 | Status = ScsiInquiryCommand (\r | |
1436aea4 MK |
1330 | &ScsiIoDevice->ScsiIo,\r |
1331 | SCSI_BUS_TIMEOUT,\r | |
1332 | SenseData,\r | |
1333 | &SenseDataLength,\r | |
1334 | &HostAdapterStatus,\r | |
1335 | &TargetStatus,\r | |
1336 | (VOID *)InquiryData,\r | |
1337 | &InquiryDataLength,\r | |
1338 | FALSE\r | |
1339 | );\r | |
cbd2a4b3 | 1340 | if (!EFI_ERROR (Status)) {\r |
ce13d2d8 LE |
1341 | if ((HostAdapterStatus == EFI_SCSI_IO_STATUS_HOST_ADAPTER_OK) &&\r |
1342 | (TargetStatus == EFI_SCSI_IO_STATUS_TARGET_CHECK_CONDITION) &&\r | |
1343 | (SenseData->Error_Code == 0x70) &&\r | |
1436aea4 MK |
1344 | (SenseData->Sense_Key == EFI_SCSI_SK_ILLEGAL_REQUEST))\r |
1345 | {\r | |
d375273c | 1346 | Status = EFI_NOT_FOUND;\r |
ce13d2d8 LE |
1347 | goto Done;\r |
1348 | }\r | |
1436aea4 | 1349 | \r |
cbd2a4b3 | 1350 | break;\r |
c09e481b | 1351 | }\r |
1436aea4 | 1352 | \r |
c09e481b LE |
1353 | if ((Status == EFI_BAD_BUFFER_SIZE) ||\r |
1354 | (Status == EFI_INVALID_PARAMETER) ||\r | |
1436aea4 MK |
1355 | (Status == EFI_UNSUPPORTED))\r |
1356 | {\r | |
d375273c | 1357 | Status = EFI_NOT_FOUND;\r |
957fe093 | 1358 | goto Done;\r |
cbd2a4b3 | 1359 | }\r |
1360 | }\r | |
3a10d471 | 1361 | \r |
cbd2a4b3 | 1362 | if (Index == MaxRetry) {\r |
d375273c | 1363 | Status = EFI_NOT_FOUND;\r |
957fe093 | 1364 | goto Done;\r |
3a10d471 | 1365 | }\r |
d1102dba | 1366 | \r |
3a10d471 | 1367 | //\r |
1368 | // Retrieved inquiry data successfully\r | |
1369 | //\r | |
897efb97 | 1370 | if (InquiryData->Peripheral_Qualifier != 0) {\r |
d375273c | 1371 | Status = EFI_NOT_FOUND;\r |
957fe093 | 1372 | goto Done;\r |
3a10d471 | 1373 | }\r |
1374 | \r | |
1ff7ed2c | 1375 | if ((InquiryData->Peripheral_Type >= EFI_SCSI_TYPE_RESERVED_LOW) &&\r |
1436aea4 MK |
1376 | (InquiryData->Peripheral_Type <= EFI_SCSI_TYPE_RESERVED_HIGH))\r |
1377 | {\r | |
d375273c | 1378 | Status = EFI_NOT_FOUND;\r |
957fe093 | 1379 | goto Done;\r |
3a10d471 | 1380 | }\r |
c52fa98c | 1381 | \r |
3a10d471 | 1382 | //\r |
1383 | // valid device type and peripheral qualifier combination.\r | |
1384 | //\r | |
957fe093 SZ |
1385 | ScsiIoDevice->ScsiDeviceType = InquiryData->Peripheral_Type;\r |
1386 | ScsiIoDevice->RemovableDevice = InquiryData->Rmb;\r | |
1387 | if (InquiryData->Version == 0) {\r | |
3a10d471 | 1388 | ScsiIoDevice->ScsiVersion = 0;\r |
1389 | } else {\r | |
1390 | //\r | |
1391 | // ANSI-approved version\r | |
1392 | //\r | |
1436aea4 | 1393 | ScsiIoDevice->ScsiVersion = (UINT8)(InquiryData->Version & 0x07);\r |
3a10d471 | 1394 | }\r |
1395 | \r | |
d375273c | 1396 | Status = EFI_SUCCESS;\r |
957fe093 SZ |
1397 | \r |
1398 | Done:\r | |
ce13d2d8 | 1399 | FreeAlignedBuffer (SenseData, sizeof (EFI_SCSI_SENSE_DATA));\r |
957fe093 SZ |
1400 | FreeAlignedBuffer (InquiryData, sizeof (EFI_SCSI_INQUIRY_DATA));\r |
1401 | \r | |
d375273c | 1402 | return Status;\r |
3a10d471 | 1403 | }\r |
70c94b3b | 1404 | \r |
9beb888e | 1405 | /**\r |
1406 | Convert EFI_SCSI_IO_SCSI_REQUEST_PACKET packet to EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET packet.\r | |
1407 | \r | |
1408 | @param Packet The pointer of EFI_SCSI_IO_SCSI_REQUEST_PACKET\r | |
1409 | @param CommandPacket The pointer of EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET\r | |
1410 | \r | |
1411 | **/\r | |
70c94b3b | 1412 | EFI_STATUS\r |
1413 | EFIAPI\r | |
1414 | ScsiioToPassThruPacket (\r | |
1415 | IN EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet,\r | |
9beb888e | 1416 | OUT EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *CommandPacket\r |
70c94b3b | 1417 | )\r |
70c94b3b | 1418 | {\r |
1419 | //\r | |
1436aea4 | 1420 | // EFI 1.10 doesn't support Bi-Direction Command.\r |
70c94b3b | 1421 | //\r |
1422 | if (Packet->DataDirection == EFI_SCSI_IO_DATA_DIRECTION_BIDIRECTIONAL) {\r | |
1423 | return EFI_UNSUPPORTED;\r | |
1424 | }\r | |
c52fa98c | 1425 | \r |
70c94b3b | 1426 | ZeroMem (CommandPacket, sizeof (EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET));\r |
1427 | \r | |
1428 | CommandPacket->Timeout = Packet->Timeout;\r | |
1429 | CommandPacket->Cdb = Packet->Cdb;\r | |
1430 | CommandPacket->CdbLength = Packet->CdbLength;\r | |
1431 | CommandPacket->DataDirection = Packet->DataDirection;\r | |
1432 | CommandPacket->HostAdapterStatus = Packet->HostAdapterStatus;\r | |
1433 | CommandPacket->TargetStatus = Packet->TargetStatus;\r | |
1434 | CommandPacket->SenseData = Packet->SenseData;\r | |
1435 | CommandPacket->SenseDataLength = Packet->SenseDataLength;\r | |
1436 | \r | |
1437 | if (Packet->DataDirection == EFI_SCSI_IO_DATA_DIRECTION_READ) {\r | |
1436aea4 | 1438 | CommandPacket->DataBuffer = Packet->InDataBuffer;\r |
70c94b3b | 1439 | CommandPacket->TransferLength = Packet->InTransferLength;\r |
1440 | } else if (Packet->DataDirection == EFI_SCSI_IO_DATA_DIRECTION_WRITE) {\r | |
1436aea4 | 1441 | CommandPacket->DataBuffer = Packet->OutDataBuffer;\r |
70c94b3b | 1442 | CommandPacket->TransferLength = Packet->OutTransferLength;\r |
1443 | }\r | |
1436aea4 | 1444 | \r |
70c94b3b | 1445 | return EFI_SUCCESS;\r |
1446 | }\r | |
1447 | \r | |
9beb888e | 1448 | /**\r |
1449 | Convert EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET packet to EFI_SCSI_IO_SCSI_REQUEST_PACKET packet.\r | |
1450 | \r | |
1451 | @param ScsiPacket The pointer of EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET\r | |
1452 | @param Packet The pointer of EFI_SCSI_IO_SCSI_REQUEST_PACKET\r | |
1453 | \r | |
1454 | **/\r | |
70c94b3b | 1455 | EFI_STATUS\r |
1456 | EFIAPI\r | |
1457 | PassThruToScsiioPacket (\r | |
1458 | IN EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *ScsiPacket,\r | |
9beb888e | 1459 | OUT EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet\r |
70c94b3b | 1460 | )\r |
70c94b3b | 1461 | {\r |
1462 | Packet->Timeout = ScsiPacket->Timeout;\r | |
1463 | Packet->Cdb = ScsiPacket->Cdb;\r | |
1464 | Packet->CdbLength = ScsiPacket->CdbLength;\r | |
1465 | Packet->DataDirection = ScsiPacket->DataDirection;\r | |
1466 | Packet->HostAdapterStatus = ScsiPacket->HostAdapterStatus;\r | |
1467 | Packet->TargetStatus = ScsiPacket->TargetStatus;\r | |
1468 | Packet->SenseData = ScsiPacket->SenseData;\r | |
1469 | Packet->SenseDataLength = ScsiPacket->SenseDataLength;\r | |
1470 | \r | |
1471 | if (ScsiPacket->DataDirection == EFI_SCSI_IO_DATA_DIRECTION_READ) {\r | |
1436aea4 | 1472 | Packet->InDataBuffer = ScsiPacket->DataBuffer;\r |
70c94b3b | 1473 | Packet->InTransferLength = ScsiPacket->TransferLength;\r |
1474 | } else if (Packet->DataDirection == EFI_SCSI_IO_DATA_DIRECTION_WRITE) {\r | |
1436aea4 | 1475 | Packet->OutDataBuffer = ScsiPacket->DataBuffer;\r |
70c94b3b | 1476 | Packet->OutTransferLength = ScsiPacket->TransferLength;\r |
1477 | }\r | |
c52fa98c | 1478 | \r |
70c94b3b | 1479 | return EFI_SUCCESS;\r |
1480 | }\r | |
1481 | \r | |
9beb888e | 1482 | /**\r |
1483 | Notify Function in which convert EFI1.0 PassThru Packet back to UEF2.0\r | |
1484 | SCSI IO Packet.\r | |
70c94b3b | 1485 | \r |
9beb888e | 1486 | @param Event The instance of EFI_EVENT.\r |
1487 | @param Context The parameter passed in.\r | |
70c94b3b | 1488 | \r |
9beb888e | 1489 | **/\r |
70c94b3b | 1490 | VOID\r |
1491 | EFIAPI\r | |
1492 | NotifyFunction (\r | |
9beb888e | 1493 | IN EFI_EVENT Event,\r |
1494 | IN VOID *Context\r | |
70c94b3b | 1495 | )\r |
70c94b3b | 1496 | {\r |
1436aea4 MK |
1497 | EFI_SCSI_IO_SCSI_REQUEST_PACKET *Packet;\r |
1498 | EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *ScsiPacket;\r | |
1499 | EFI_EVENT CallerEvent;\r | |
1500 | SCSI_EVENT_DATA *PassData;\r | |
70c94b3b | 1501 | \r |
1436aea4 MK |
1502 | PassData = (SCSI_EVENT_DATA *)Context;\r |
1503 | Packet = (EFI_SCSI_IO_SCSI_REQUEST_PACKET *)PassData->Data1;\r | |
1504 | ScsiPacket = (EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *)mWorkingBuffer;\r | |
70c94b3b | 1505 | \r |
1506 | //\r | |
1507 | // Convert EFI1.0 PassThru packet to UEFI2.0 SCSI IO Packet.\r | |
1508 | //\r | |
1436aea4 | 1509 | PassThruToScsiioPacket (ScsiPacket, Packet);\r |
c52fa98c | 1510 | \r |
70c94b3b | 1511 | //\r |
1512 | // After converting EFI1.0 PassThru Packet back to UEFI2.0 SCSI IO Packet,\r | |
9beb888e | 1513 | // free mWorkingBuffer.\r |
70c94b3b | 1514 | //\r |
1436aea4 | 1515 | gBS->FreePool (mWorkingBuffer);\r |
70c94b3b | 1516 | \r |
1517 | //\r | |
1518 | // Signal Event to tell caller to pick up UEFI2.0 SCSI IO Packet.\r | |
1519 | //\r | |
1520 | CallerEvent = PassData->Data2;\r | |
1436aea4 MK |
1521 | gBS->CloseEvent (Event);\r |
1522 | gBS->SignalEvent (CallerEvent);\r | |
70c94b3b | 1523 | }\r |