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3b2dbece | 1 | /** @file\r |
2 | Header file for SCSI Bus Driver.\r | |
3a10d471 | 3 | \r |
3b2dbece | 4 | Copyright (c) 2006 - 2008, Intel Corporation. <BR>\r |
5 | All rights reserved. This program and the accompanying materials\r | |
6 | are licensed and made available under the terms and conditions of the BSD License\r | |
7 | which accompanies this distribution. The full text of the license may be found at\r | |
8 | http://opensource.org/licenses/bsd-license.php\r | |
3a10d471 | 9 | \r |
3b2dbece | 10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
3a10d471 | 12 | \r |
3b2dbece | 13 | **/\r |
3a10d471 | 14 | \r |
9beb888e | 15 | #ifndef _SCSI_BUS_H_\r |
16 | #define _SCSI_BUS_H_\r | |
3a10d471 | 17 | \r |
18 | \r | |
9beb888e | 19 | #include <Uefi.h>\r |
20 | \r | |
21 | #include <Protocol/ScsiPassThru.h>\r | |
22 | #include <Protocol/ScsiPassThruExt.h>\r | |
23 | #include <Protocol/ScsiIo.h>\r | |
24 | #include <Protocol/ComponentName.h>\r | |
25 | #include <Protocol/DriverBinding.h>\r | |
26 | #include <Protocol/DevicePath.h>\r | |
27 | \r | |
28 | #include <Library/DebugLib.h>\r | |
29 | #include <Library/UefiDriverEntryPoint.h>\r | |
30 | #include <Library/UefiLib.h>\r | |
31 | #include <Library/BaseMemoryLib.h>\r | |
32 | #include <Library/MemoryAllocationLib.h>\r | |
ae50ee26 | 33 | #include <Library/UefiScsiLib.h>\r |
9beb888e | 34 | #include <Library/UefiBootServicesTableLib.h>\r |
35 | #include <Library/DevicePathLib.h>\r | |
36 | \r | |
9cb8724d | 37 | #include <IndustryStandard/Scsi.h>\r |
3a10d471 | 38 | \r |
39 | #define SCSI_IO_DEV_SIGNATURE EFI_SIGNATURE_32 ('s', 'c', 'i', 'o')\r | |
40 | \r | |
70c94b3b | 41 | typedef struct _SCSI_TARGET_ID {\r |
42 | union {\r | |
43 | UINT32 Scsi;\r | |
44 | UINT8 ExtScsi[4]; \r | |
45 | } ScsiId;\r | |
46 | UINT8 ExtScsiId[12];\r | |
47 | }SCSI_TARGET_ID;\r | |
48 | \r | |
49 | \r | |
50 | typedef struct {\r | |
51 | VOID *Data1;\r | |
52 | VOID *Data2;\r | |
53 | } SCSI_EVENT_DATA;\r | |
54 | \r | |
55 | \r | |
3a10d471 | 56 | typedef struct {\r |
70c94b3b | 57 | UINT32 Signature;\r |
58 | EFI_HANDLE Handle;\r | |
59 | EFI_SCSI_IO_PROTOCOL ScsiIo;\r | |
60 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
61 | BOOLEAN ExtScsiSupport; \r | |
62 | EFI_SCSI_PASS_THRU_PROTOCOL *ScsiPassThru;\r | |
63 | EFI_EXT_SCSI_PASS_THRU_PROTOCOL *ExtScsiPassThru;\r | |
64 | SCSI_TARGET_ID Pun;\r | |
65 | UINT64 Lun;\r | |
66 | UINT8 ScsiDeviceType;\r | |
67 | UINT8 ScsiVersion;\r | |
68 | BOOLEAN RemovableDevice;\r | |
3a10d471 | 69 | } SCSI_IO_DEV;\r |
70 | \r | |
71 | #define SCSI_IO_DEV_FROM_THIS(a) CR (a, SCSI_IO_DEV, ScsiIo, SCSI_IO_DEV_SIGNATURE)\r | |
72 | \r | |
70c94b3b | 73 | //\r |
74 | // SCSI Bus Controller device strcuture\r | |
75 | //\r | |
76 | #define EFI_SCSI_BUS_PROTOCOL_GUID \\r | |
77 | { \\r | |
84b5c78e | 78 | 0x5261213D, 0x3A3D, 0x441E, {0xB3, 0xAF, 0x21, 0xD3, 0xF7, 0xA4, 0xCA, 0x17} \\r |
70c94b3b | 79 | }\r |
80 | \r | |
81 | typedef struct _EFI_SCSI_BUS_PROTOCOL {\r | |
82 | UINT64 Reserved;\r | |
83 | } EFI_SCSI_BUS_PROTOCOL;\r | |
84 | \r | |
85 | #define SCSI_BUS_DEVICE_SIGNATURE EFI_SIGNATURE_32 ('s', 'c', 's', 'i')\r | |
86 | \r | |
87 | \r | |
88 | typedef struct _SCSI_BUS_DEVICE {\r | |
89 | UINTN Signature;\r | |
90 | EFI_SCSI_BUS_PROTOCOL BusIdentify;\r | |
91 | BOOLEAN ExtScsiSupport; \r | |
92 | EFI_SCSI_PASS_THRU_PROTOCOL *ScsiInterface;\r | |
93 | EFI_EXT_SCSI_PASS_THRU_PROTOCOL *ExtScsiInterface;\r | |
94 | EFI_DEVICE_PATH_PROTOCOL *DevicePath;\r | |
95 | } SCSI_BUS_DEVICE;\r | |
96 | \r | |
97 | #define SCSI_BUS_CONTROLLER_DEVICE_FROM_THIS(a) CR (a, SCSI_BUS_DEVICE, BusIdentify, SCSI_BUS_DEVICE_SIGNATURE)\r | |
98 | \r | |
3a10d471 | 99 | //\r |
100 | // Global Variables\r | |
101 | //\r | |
70da5bc2 | 102 | extern EFI_DRIVER_BINDING_PROTOCOL gScsiBusDriverBinding;\r |
103 | extern EFI_COMPONENT_NAME_PROTOCOL gScsiBusComponentName;\r | |
104 | extern EFI_COMPONENT_NAME2_PROTOCOL gScsiBusComponentName2;\r | |
3a10d471 | 105 | \r |
9beb888e | 106 | /**\r |
107 | Test to see if this driver supports ControllerHandle.\r | |
108 | \r | |
109 | This service is called by the EFI boot service ConnectController(). In order\r | |
110 | to make drivers as small as possible, there are a few calling restrictions for\r | |
111 | this service. ConnectController() must follow these calling restrictions. If\r | |
112 | any other agent wishes to call Supported() it must also follow these calling\r | |
113 | restrictions.\r | |
114 | \r | |
115 | @param This Protocol instance pointer.\r | |
116 | @param ControllerHandle Handle of device to test\r | |
117 | @param RemainingDevicePath Optional parameter use to pick a specific child\r | |
118 | device to start.\r | |
119 | \r | |
120 | @retval EFI_SUCCESS This driver supports this device\r | |
121 | @retval EFI_ALREADY_STARTED This driver is already running on this device\r | |
122 | @retval other This driver does not support this device\r | |
123 | \r | |
124 | **/\r | |
3a10d471 | 125 | EFI_STATUS\r |
126 | EFIAPI\r | |
127 | SCSIBusDriverBindingSupported (\r | |
128 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
129 | IN EFI_HANDLE Controller,\r | |
130 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
131 | );\r | |
132 | \r | |
9beb888e | 133 | /**\r |
134 | Start this driver on ControllerHandle.\r | |
135 | \r | |
136 | This service is called by the EFI boot service ConnectController(). In order\r | |
137 | to make drivers as small as possible, there are a few calling restrictions for\r | |
138 | this service. ConnectController() must follow these calling restrictions. If\r | |
139 | any other agent wishes to call Start() it must also follow these calling\r | |
140 | restrictions.\r | |
141 | \r | |
142 | @param This Protocol instance pointer.\r | |
143 | @param ControllerHandle Handle of device to bind driver to\r | |
144 | @param RemainingDevicePath Optional parameter use to pick a specific child\r | |
145 | device to start.\r | |
146 | \r | |
147 | @retval EFI_SUCCESS This driver is added to ControllerHandle\r | |
148 | @retval EFI_ALREADY_STARTED This driver is already running on ControllerHandle\r | |
149 | @retval other This driver does not support this device\r | |
150 | \r | |
151 | **/\r | |
3a10d471 | 152 | EFI_STATUS\r |
153 | EFIAPI\r | |
154 | SCSIBusDriverBindingStart (\r | |
155 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
156 | IN EFI_HANDLE Controller,\r | |
157 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
158 | );\r | |
159 | \r | |
9beb888e | 160 | /**\r |
161 | Stop this driver on ControllerHandle.\r | |
162 | \r | |
163 | This service is called by the EFI boot service DisconnectController().\r | |
164 | In order to make drivers as small as possible, there are a few calling\r | |
165 | restrictions for this service. DisconnectController() must follow these\r | |
166 | calling restrictions. If any other agent wishes to call Stop() it must also\r | |
167 | follow these calling restrictions.\r | |
168 | \r | |
169 | @param This Protocol instance pointer.\r | |
170 | @param ControllerHandle Handle of device to stop driver on\r | |
171 | @param NumberOfChildren Number of Handles in ChildHandleBuffer. If number of\r | |
172 | children is zero stop the entire bus driver.\r | |
173 | @param ChildHandleBuffer List of Child Handles to Stop.\r | |
174 | \r | |
175 | @retval EFI_SUCCESS This driver is removed ControllerHandle\r | |
176 | @retval other This driver was not removed from this device\r | |
177 | \r | |
178 | **/\r | |
3a10d471 | 179 | EFI_STATUS\r |
180 | EFIAPI\r | |
181 | SCSIBusDriverBindingStop (\r | |
182 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
183 | IN EFI_HANDLE Controller,\r | |
184 | IN UINTN NumberOfChildren,\r | |
185 | IN EFI_HANDLE *ChildHandleBuffer\r | |
186 | );\r | |
187 | \r | |
188 | //\r | |
189 | // EFI Component Name Functions\r | |
190 | //\r | |
70da5bc2 | 191 | /**\r |
192 | Retrieves a Unicode string that is the user readable name of the driver.\r | |
193 | \r | |
194 | This function retrieves the user readable name of a driver in the form of a\r | |
195 | Unicode string. If the driver specified by This has a user readable name in\r | |
196 | the language specified by Language, then a pointer to the driver name is\r | |
197 | returned in DriverName, and EFI_SUCCESS is returned. If the driver specified\r | |
198 | by This does not support the language specified by Language,\r | |
199 | then EFI_UNSUPPORTED is returned.\r | |
200 | \r | |
9beb888e | 201 | @param This A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or\r |
70da5bc2 | 202 | EFI_COMPONENT_NAME_PROTOCOL instance.\r |
203 | \r | |
9beb888e | 204 | @param Language A pointer to a Null-terminated ASCII string\r |
70da5bc2 | 205 | array indicating the language. This is the\r |
206 | language of the driver name that the caller is\r | |
207 | requesting, and it must match one of the\r | |
208 | languages specified in SupportedLanguages. The\r | |
209 | number of languages supported by a driver is up\r | |
210 | to the driver writer. Language is specified\r | |
211 | in RFC 3066 or ISO 639-2 language code format.\r | |
212 | \r | |
9beb888e | 213 | @param DriverName A pointer to the Unicode string to return.\r |
70da5bc2 | 214 | This Unicode string is the name of the\r |
215 | driver specified by This in the language\r | |
216 | specified by Language.\r | |
217 | \r | |
218 | @retval EFI_SUCCESS The Unicode string for the Driver specified by\r | |
219 | This and the language specified by Language was\r | |
220 | returned in DriverName.\r | |
221 | \r | |
222 | @retval EFI_INVALID_PARAMETER Language is NULL.\r | |
223 | \r | |
224 | @retval EFI_INVALID_PARAMETER DriverName is NULL.\r | |
225 | \r | |
226 | @retval EFI_UNSUPPORTED The driver specified by This does not support\r | |
227 | the language specified by Language.\r | |
228 | \r | |
229 | **/\r | |
3a10d471 | 230 | EFI_STATUS\r |
231 | EFIAPI\r | |
232 | ScsiBusComponentNameGetDriverName (\r | |
233 | IN EFI_COMPONENT_NAME_PROTOCOL *This,\r | |
234 | IN CHAR8 *Language,\r | |
235 | OUT CHAR16 **DriverName\r | |
236 | );\r | |
237 | \r | |
70da5bc2 | 238 | /**\r |
239 | Retrieves a Unicode string that is the user readable name of the controller\r | |
240 | that is being managed by a driver.\r | |
241 | \r | |
242 | This function retrieves the user readable name of the controller specified by\r | |
243 | ControllerHandle and ChildHandle in the form of a Unicode string. If the\r | |
244 | driver specified by This has a user readable name in the language specified by\r | |
245 | Language, then a pointer to the controller name is returned in ControllerName,\r | |
246 | and EFI_SUCCESS is returned. If the driver specified by This is not currently\r | |
247 | managing the controller specified by ControllerHandle and ChildHandle,\r | |
248 | then EFI_UNSUPPORTED is returned. If the driver specified by This does not\r | |
249 | support the language specified by Language, then EFI_UNSUPPORTED is returned.\r | |
250 | \r | |
9beb888e | 251 | @param This A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or\r |
70da5bc2 | 252 | EFI_COMPONENT_NAME_PROTOCOL instance.\r |
253 | \r | |
9beb888e | 254 | @param ControllerHandle The handle of a controller that the driver\r |
70da5bc2 | 255 | specified by This is managing. This handle\r |
256 | specifies the controller whose name is to be\r | |
257 | returned.\r | |
258 | \r | |
9beb888e | 259 | @param ChildHandle The handle of the child controller to retrieve\r |
70da5bc2 | 260 | the name of. This is an optional parameter that\r |
261 | may be NULL. It will be NULL for device\r | |
262 | drivers. It will also be NULL for a bus drivers\r | |
263 | that wish to retrieve the name of the bus\r | |
264 | controller. It will not be NULL for a bus\r | |
265 | driver that wishes to retrieve the name of a\r | |
266 | child controller.\r | |
267 | \r | |
9beb888e | 268 | @param Language A pointer to a Null-terminated ASCII string\r |
70da5bc2 | 269 | array indicating the language. This is the\r |
270 | language of the driver name that the caller is\r | |
271 | requesting, and it must match one of the\r | |
272 | languages specified in SupportedLanguages. The\r | |
273 | number of languages supported by a driver is up\r | |
274 | to the driver writer. Language is specified in\r | |
275 | RFC 3066 or ISO 639-2 language code format.\r | |
276 | \r | |
9beb888e | 277 | @param ControllerName A pointer to the Unicode string to return.\r |
70da5bc2 | 278 | This Unicode string is the name of the\r |
279 | controller specified by ControllerHandle and\r | |
280 | ChildHandle in the language specified by\r | |
281 | Language from the point of view of the driver\r | |
282 | specified by This.\r | |
283 | \r | |
284 | @retval EFI_SUCCESS The Unicode string for the user readable name in\r | |
285 | the language specified by Language for the\r | |
286 | driver specified by This was returned in\r | |
287 | DriverName.\r | |
288 | \r | |
289 | @retval EFI_INVALID_PARAMETER ControllerHandle is not a valid EFI_HANDLE.\r | |
290 | \r | |
291 | @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid\r | |
292 | EFI_HANDLE.\r | |
293 | \r | |
294 | @retval EFI_INVALID_PARAMETER Language is NULL.\r | |
295 | \r | |
296 | @retval EFI_INVALID_PARAMETER ControllerName is NULL.\r | |
297 | \r | |
298 | @retval EFI_UNSUPPORTED The driver specified by This is not currently\r | |
299 | managing the controller specified by\r | |
300 | ControllerHandle and ChildHandle.\r | |
301 | \r | |
302 | @retval EFI_UNSUPPORTED The driver specified by This does not support\r | |
303 | the language specified by Language.\r | |
304 | \r | |
305 | **/\r | |
3a10d471 | 306 | EFI_STATUS\r |
307 | EFIAPI\r | |
308 | ScsiBusComponentNameGetControllerName (\r | |
309 | IN EFI_COMPONENT_NAME_PROTOCOL *This,\r | |
310 | IN EFI_HANDLE ControllerHandle,\r | |
311 | IN EFI_HANDLE ChildHandle OPTIONAL,\r | |
312 | IN CHAR8 *Language,\r | |
313 | OUT CHAR16 **ControllerName\r | |
314 | );\r | |
315 | \r | |
9beb888e | 316 | /**\r |
317 | Retrieves the device type information of the SCSI Controller.\r | |
70da5bc2 | 318 | \r |
9beb888e | 319 | @param This Protocol instance pointer.\r |
320 | @param DeviceType A pointer to the device type information retrieved from\r | |
321 | the SCSI Controller. \r | |
322 | \r | |
323 | @retval EFI_SUCCESS Retrieves the device type information successfully.\r | |
324 | @retval EFI_INVALID_PARAMETER The DeviceType is NULL.\r | |
325 | \r | |
326 | **/\r | |
3a10d471 | 327 | EFI_STATUS\r |
328 | EFIAPI\r | |
329 | ScsiGetDeviceType (\r | |
330 | IN EFI_SCSI_IO_PROTOCOL *This,\r | |
331 | OUT UINT8 *DeviceType\r | |
9beb888e | 332 | );\r |
3a10d471 | 333 | \r |
9beb888e | 334 | /**\r |
335 | Retrieves the device location in the SCSI channel.\r | |
3a10d471 | 336 | \r |
9beb888e | 337 | @param This Protocol instance pointer.\r |
338 | @param Target A pointer to the Target ID of a SCSI device\r | |
339 | on the SCSI channel.\r | |
340 | @param Lun A pointer to the LUN of the SCSI device on\r | |
341 | the SCSI channel.\r | |
3a10d471 | 342 | \r |
9beb888e | 343 | @retval EFI_SUCCESS Retrieves the device location successfully.\r |
344 | @retval EFI_INVALID_PARAMETER The Target or Lun is NULL.\r | |
3a10d471 | 345 | \r |
9beb888e | 346 | **/\r |
3a10d471 | 347 | EFI_STATUS\r |
348 | EFIAPI\r | |
9beb888e | 349 | ScsiGetDeviceLocation (\r |
350 | IN EFI_SCSI_IO_PROTOCOL *This,\r | |
351 | IN OUT UINT8 **Target,\r | |
352 | OUT UINT64 *Lun\r | |
353 | );\r | |
3a10d471 | 354 | \r |
9beb888e | 355 | /**\r |
70c94b3b | 356 | Resets the SCSI Bus that the SCSI Controller is attached to.\r |
3a10d471 | 357 | \r |
9beb888e | 358 | @param This Protocol instance pointer.\r |
3a10d471 | 359 | \r |
9beb888e | 360 | @retval EFI_SUCCESS The SCSI bus is reset successfully.\r |
361 | @retval EFI_DEVICE_ERROR Errors encountered when resetting the SCSI bus.\r | |
362 | @retval EFI_UNSUPPORTED The bus reset operation is not supported by the\r | |
363 | SCSI Host Controller.\r | |
364 | @retval EFI_TIMEOUT A timeout occurred while attempting to reset \r | |
365 | the SCSI bus.\r | |
366 | **/\r | |
3a10d471 | 367 | EFI_STATUS\r |
368 | EFIAPI\r | |
9beb888e | 369 | ScsiResetBus (\r |
3a10d471 | 370 | IN EFI_SCSI_IO_PROTOCOL *This\r |
9beb888e | 371 | );\r |
3a10d471 | 372 | \r |
9beb888e | 373 | /**\r |
70c94b3b | 374 | Resets the SCSI Controller that the device handle specifies.\r |
3a10d471 | 375 | \r |
9beb888e | 376 | @param This Protocol instance pointer.\r |
3a10d471 | 377 | \r |
9beb888e | 378 | @retval EFI_SUCCESS Reset the SCSI controller successfully.\r |
379 | @retval EFI_DEVICE_ERROR Errors are encountered when resetting the SCSI Controller.\r | |
380 | @retval EFI_UNSUPPORTED The SCSI bus does not support a device reset operation.\r | |
381 | @retval EFI_TIMEOUT A timeout occurred while attempting to reset the\r | |
382 | SCSI Controller.\r | |
383 | **/\r | |
3a10d471 | 384 | EFI_STATUS\r |
385 | EFIAPI\r | |
9beb888e | 386 | ScsiResetDevice (\r |
387 | IN EFI_SCSI_IO_PROTOCOL *This\r | |
388 | );\r | |
3a10d471 | 389 | \r |
9beb888e | 390 | /**\r |
70c94b3b | 391 | Sends a SCSI Request Packet to the SCSI Controller for execution.\r |
3a10d471 | 392 | \r |
9beb888e | 393 | @param This Protocol instance pointer.\r |
394 | @param CommandPacket The SCSI request packet to send to the SCSI \r | |
70c94b3b | 395 | Controller specified by the device handle.\r |
9beb888e | 396 | @param Event If the SCSI bus where the SCSI device is attached\r |
70c94b3b | 397 | does not support non-blocking I/O, then Event is \r |
398 | ignored, and blocking I/O is performed. \r | |
399 | If Event is NULL, then blocking I/O is performed.\r | |
400 | If Event is not NULL and non-blocking I/O is \r | |
401 | supported, then non-blocking I/O is performed,\r | |
402 | and Event will be signaled when the SCSI Request\r | |
403 | Packet completes.\r | |
3a10d471 | 404 | \r |
9beb888e | 405 | @retval EFI_SUCCESS The SCSI Request Packet was sent by the host \r |
406 | successfully, and TransferLength bytes were \r | |
407 | transferred to/from DataBuffer.See \r | |
408 | HostAdapterStatus, TargetStatus, \r | |
409 | SenseDataLength, and SenseData in that order\r | |
410 | for additional status information.\r | |
411 | @retval EFI_BAD_BUFFER_SIZE The SCSI Request Packet was executed, \r | |
412 | but the entire DataBuffer could not be transferred.\r | |
413 | The actual number of bytes transferred is returned\r | |
414 | in TransferLength. See HostAdapterStatus, \r | |
415 | TargetStatus, SenseDataLength, and SenseData in \r | |
416 | that order for additional status information.\r | |
417 | @retval EFI_NOT_READY The SCSI Request Packet could not be sent because \r | |
418 | there are too many SCSI Command Packets already \r | |
419 | queued.The caller may retry again later.\r | |
420 | @retval EFI_DEVICE_ERROR A device error occurred while attempting to send \r | |
421 | the SCSI Request Packet. See HostAdapterStatus, \r | |
422 | TargetStatus, SenseDataLength, and SenseData in \r | |
423 | that order for additional status information.\r | |
424 | @retval EFI_INVALID_PARAMETER The contents of CommandPacket are invalid. \r | |
425 | The SCSI Request Packet was not sent, so no \r | |
426 | additional status information is available.\r | |
427 | @retval EFI_UNSUPPORTED The command described by the SCSI Request Packet\r | |
428 | is not supported by the SCSI initiator(i.e., SCSI \r | |
429 | Host Controller). The SCSI Request Packet was not\r | |
430 | sent, so no additional status information is \r | |
431 | available.\r | |
432 | @retval EFI_TIMEOUT A timeout occurred while waiting for the SCSI \r | |
433 | Request Packet to execute. See HostAdapterStatus,\r | |
434 | TargetStatus, SenseDataLength, and SenseData in \r | |
435 | that order for additional status information.\r | |
436 | **/\r | |
3a10d471 | 437 | EFI_STATUS\r |
9beb888e | 438 | EFIAPI\r |
439 | ScsiExecuteSCSICommand (\r | |
440 | IN EFI_SCSI_IO_PROTOCOL *This,\r | |
441 | IN OUT EFI_SCSI_IO_SCSI_REQUEST_PACKET *CommandPacket,\r | |
442 | IN EFI_EVENT Event OPTIONAL\r | |
443 | );\r | |
3a10d471 | 444 | \r |
9beb888e | 445 | /**\r |
70c94b3b | 446 | Scan SCSI Bus to discover the device, and attach ScsiIoProtocol to it.\r |
3a10d471 | 447 | \r |
9beb888e | 448 | @param This Protocol instance pointer\r |
449 | @param Controller Controller handle\r | |
450 | @param TargetId Tartget to be scanned\r | |
451 | @param Lun The Lun of the SCSI device on the SCSI channel.\r | |
452 | @param ScsiBusDev The pointer of SCSI_BUS_DEVICE\r | |
3a10d471 | 453 | \r |
9beb888e | 454 | @retval EFI_SUCCESS Successfully to discover the device and attach\r |
455 | ScsiIoProtocol to it.\r | |
456 | @retval EFI_OUT_OF_RESOURCES Fail to discover the device.\r | |
3a10d471 | 457 | \r |
9beb888e | 458 | **/\r |
459 | EFI_STATUS\r | |
460 | EFIAPI\r | |
461 | ScsiScanCreateDevice (\r | |
462 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
463 | IN EFI_HANDLE Controller,\r | |
464 | IN SCSI_TARGET_ID *TargetId,\r | |
465 | IN UINT64 Lun,\r | |
466 | IN OUT SCSI_BUS_DEVICE *ScsiBusDev\r | |
467 | );\r | |
3a10d471 | 468 | \r |
9beb888e | 469 | /**\r |
f36d6e66 | 470 | Discovery SCSI Device\r |
3a10d471 | 471 | \r |
9beb888e | 472 | @param ScsiIoDevice The pointer of SCSI_IO_DEV\r |
3a10d471 | 473 | \r |
9beb888e | 474 | @retval TRUE Find SCSI Device and verify it.\r |
475 | @retval FALSE Unable to find SCSI Device.\r | |
3a10d471 | 476 | \r |
9beb888e | 477 | **/\r |
478 | BOOLEAN\r | |
479 | DiscoverScsiDevice (\r | |
480 | IN OUT SCSI_IO_DEV *ScsiIoDevice\r | |
481 | );\r | |
3a10d471 | 482 | \r |
3a10d471 | 483 | #endif\r |