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823f7d4f | 1 | /** @file\r |
ac1ca104 | 2 | Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>\r |
96ae5934 | 3 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
823f7d4f | 4 | \r |
5 | **/\r | |
6 | \r | |
7 | #include "AtapiPassThru.h"\r | |
8 | \r | |
9 | \r | |
ba31c2e0 | 10 | SCSI_COMMAND_SET gEndTable = { 0xff, (DATA_DIRECTION) 0xff };\r |
823f7d4f | 11 | \r |
12 | ///\r | |
13 | /// This table contains all the supported ATAPI commands.\r | |
14 | ///\r | |
ba31c2e0 | 15 | SCSI_COMMAND_SET gSupportedATAPICommands[] = {\r |
823f7d4f | 16 | { OP_INQUIRY, DataIn },\r |
17 | { OP_LOAD_UNLOAD_CD, NoData },\r | |
18 | { OP_MECHANISM_STATUS, DataIn },\r | |
19 | { OP_MODE_SELECT_10, DataOut },\r | |
20 | { OP_MODE_SENSE_10, DataIn },\r | |
21 | { OP_PAUSE_RESUME, NoData },\r | |
22 | { OP_PLAY_AUDIO_10, DataIn },\r | |
23 | { OP_PLAY_AUDIO_MSF, DataIn },\r | |
24 | { OP_PLAY_CD, DataIn },\r | |
25 | { OP_PLAY_CD_MSF, DataIn },\r | |
26 | { OP_PREVENT_ALLOW_MEDIUM_REMOVAL,NoData },\r | |
27 | { OP_READ_10, DataIn },\r | |
28 | { OP_READ_12, DataIn },\r | |
29 | { OP_READ_CAPACITY, DataIn },\r | |
30 | { OP_READ_CD, DataIn },\r | |
31 | { OP_READ_CD_MSF, DataIn },\r | |
32 | { OP_READ_HEADER, DataIn },\r | |
33 | { OP_READ_SUB_CHANNEL, DataIn },\r | |
34 | { OP_READ_TOC, DataIn },\r | |
35 | { OP_REQUEST_SENSE, DataIn },\r | |
36 | { OP_SCAN, NoData },\r | |
37 | { OP_SEEK_10, NoData },\r | |
38 | { OP_SET_CD_SPEED, DataOut },\r | |
39 | { OP_STOPPLAY_SCAN, NoData },\r | |
40 | { OP_START_STOP_UNIT, NoData },\r | |
41 | { OP_TEST_UNIT_READY, NoData },\r | |
42 | { OP_FORMAT_UNIT, DataOut },\r | |
43 | { OP_READ_FORMAT_CAPACITIES, DataIn },\r | |
44 | { OP_VERIFY, DataOut },\r | |
45 | { OP_WRITE_10, DataOut },\r | |
46 | { OP_WRITE_12, DataOut },\r | |
47 | { OP_WRITE_AND_VERIFY, DataOut },\r | |
48 | { 0xff, (DATA_DIRECTION) 0xff }\r | |
49 | };\r | |
50 | \r | |
51 | GLOBAL_REMOVE_IF_UNREFERENCED EFI_SCSI_PASS_THRU_MODE gScsiPassThruMode = {\r | |
52 | L"ATAPI Controller",\r | |
53 | L"ATAPI Channel",\r | |
54 | 4,\r | |
55 | EFI_SCSI_PASS_THRU_ATTRIBUTES_PHYSICAL | EFI_SCSI_PASS_THRU_ATTRIBUTES_LOGICAL,\r | |
56 | 0\r | |
57 | };\r | |
58 | \r | |
59 | GLOBAL_REMOVE_IF_UNREFERENCED EFI_SCSI_PASS_THRU_PROTOCOL gScsiPassThruProtocolTemplate = {\r | |
60 | &gScsiPassThruMode,\r | |
61 | AtapiScsiPassThruFunction,\r | |
62 | AtapiScsiPassThruGetNextDevice,\r | |
63 | AtapiScsiPassThruBuildDevicePath,\r | |
64 | AtapiScsiPassThruGetTargetLun,\r | |
65 | AtapiScsiPassThruResetChannel,\r | |
66 | AtapiScsiPassThruResetTarget\r | |
67 | };\r | |
68 | \r | |
69 | GLOBAL_REMOVE_IF_UNREFERENCED EFI_EXT_SCSI_PASS_THRU_MODE gExtScsiPassThruMode = {\r | |
6a6d955c | 70 | 4,\r |
823f7d4f | 71 | EFI_EXT_SCSI_PASS_THRU_ATTRIBUTES_PHYSICAL | EFI_EXT_SCSI_PASS_THRU_ATTRIBUTES_LOGICAL,\r |
72 | 0\r | |
73 | };\r | |
74 | \r | |
75 | GLOBAL_REMOVE_IF_UNREFERENCED EFI_EXT_SCSI_PASS_THRU_PROTOCOL gExtScsiPassThruProtocolTemplate = {\r | |
76 | &gExtScsiPassThruMode,\r | |
77 | AtapiExtScsiPassThruFunction,\r | |
78 | AtapiExtScsiPassThruGetNextTargetLun,\r | |
79 | AtapiExtScsiPassThruBuildDevicePath,\r | |
80 | AtapiExtScsiPassThruGetTargetLun,\r | |
81 | AtapiExtScsiPassThruResetChannel,\r | |
82 | AtapiExtScsiPassThruResetTarget,\r | |
83 | AtapiExtScsiPassThruGetNextTarget\r | |
84 | };\r | |
85 | \r | |
86 | EFI_DRIVER_BINDING_PROTOCOL gAtapiScsiPassThruDriverBinding = {\r | |
87 | AtapiScsiPassThruDriverBindingSupported,\r | |
88 | AtapiScsiPassThruDriverBindingStart,\r | |
89 | AtapiScsiPassThruDriverBindingStop,\r | |
90 | 0x10,\r | |
91 | NULL,\r | |
92 | NULL\r | |
93 | };\r | |
94 | \r | |
95 | EFI_STATUS\r | |
96 | EFIAPI\r | |
97 | AtapiScsiPassThruDriverBindingSupported (\r | |
98 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
99 | IN EFI_HANDLE Controller,\r | |
100 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
101 | )\r | |
102 | /*++\r | |
6a6d955c | 103 | \r |
823f7d4f | 104 | Routine Description:\r |
105 | Test to see if this driver supports ControllerHandle. Any ControllerHandle\r | |
106 | that has gEfiPciIoProtocolGuid installed and is IDE Controller it will be supported.\r | |
6a6d955c | 107 | \r |
823f7d4f | 108 | Arguments:\r |
109 | \r | |
110 | This - Protocol instance pointer.\r | |
111 | Controller - Handle of device to test\r | |
112 | RemainingDevicePath - Not used\r | |
6a6d955c | 113 | \r |
823f7d4f | 114 | Returns:\r |
115 | EFI_STATUS\r | |
6a6d955c | 116 | \r |
823f7d4f | 117 | --*/\r |
118 | {\r | |
119 | EFI_STATUS Status;\r | |
120 | EFI_PCI_IO_PROTOCOL *PciIo;\r | |
121 | PCI_TYPE00 Pci;\r | |
122 | \r | |
123 | \r | |
124 | //\r | |
125 | // Open the IO Abstraction(s) needed to perform the supported test\r | |
126 | //\r | |
127 | Status = gBS->OpenProtocol (\r | |
128 | Controller,\r | |
129 | &gEfiPciIoProtocolGuid,\r | |
130 | (VOID **) &PciIo,\r | |
131 | This->DriverBindingHandle,\r | |
132 | Controller,\r | |
133 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
134 | );\r | |
135 | if (EFI_ERROR (Status)) {\r | |
136 | return Status;\r | |
137 | }\r | |
138 | //\r | |
139 | // Use the PCI I/O Protocol to see if Controller is a IDE Controller that\r | |
140 | // can be managed by this driver. Read the PCI Configuration Header\r | |
141 | // for this device.\r | |
142 | //\r | |
143 | Status = PciIo->Pci.Read (\r | |
144 | PciIo,\r | |
145 | EfiPciIoWidthUint32,\r | |
146 | 0,\r | |
147 | sizeof (Pci) / sizeof (UINT32),\r | |
148 | &Pci\r | |
149 | );\r | |
150 | if (EFI_ERROR (Status)) {\r | |
151 | gBS->CloseProtocol (\r | |
152 | Controller,\r | |
153 | &gEfiPciIoProtocolGuid,\r | |
154 | This->DriverBindingHandle,\r | |
155 | Controller\r | |
156 | );\r | |
157 | return EFI_UNSUPPORTED;\r | |
158 | }\r | |
159 | \r | |
bc14bdb3 | 160 | if (Pci.Hdr.ClassCode[2] != PCI_CLASS_MASS_STORAGE || Pci.Hdr.ClassCode[1] != PCI_CLASS_MASS_STORAGE_IDE) {\r |
823f7d4f | 161 | \r |
162 | Status = EFI_UNSUPPORTED;\r | |
163 | }\r | |
164 | \r | |
165 | gBS->CloseProtocol (\r | |
166 | Controller,\r | |
167 | &gEfiPciIoProtocolGuid,\r | |
168 | This->DriverBindingHandle,\r | |
169 | Controller\r | |
170 | );\r | |
171 | \r | |
172 | return Status;\r | |
173 | }\r | |
174 | \r | |
175 | EFI_STATUS\r | |
176 | EFIAPI\r | |
177 | AtapiScsiPassThruDriverBindingStart (\r | |
178 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
179 | IN EFI_HANDLE Controller,\r | |
180 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
181 | )\r | |
182 | /*++\r | |
6a6d955c | 183 | \r |
823f7d4f | 184 | Routine Description:\r |
185 | Create handles for IDE channels specified by RemainingDevicePath.\r | |
186 | Install SCSI Pass Thru Protocol onto each created handle.\r | |
6a6d955c | 187 | \r |
823f7d4f | 188 | Arguments:\r |
189 | \r | |
190 | This - Protocol instance pointer.\r | |
191 | Controller - Handle of device to test\r | |
192 | RemainingDevicePath - Not used\r | |
6a6d955c | 193 | \r |
823f7d4f | 194 | Returns:\r |
195 | EFI_STATUS\r | |
6a6d955c | 196 | \r |
823f7d4f | 197 | --*/\r |
198 | {\r | |
199 | EFI_STATUS Status;\r | |
200 | EFI_PCI_IO_PROTOCOL *PciIo;\r | |
201 | UINT64 Supports;\r | |
202 | UINT64 OriginalPciAttributes;\r | |
6a6d955c | 203 | BOOLEAN PciAttributesSaved;\r |
823f7d4f | 204 | \r |
205 | PciIo = NULL;\r | |
206 | Status = gBS->OpenProtocol (\r | |
207 | Controller,\r | |
208 | &gEfiPciIoProtocolGuid,\r | |
209 | (VOID **) &PciIo,\r | |
210 | This->DriverBindingHandle,\r | |
211 | Controller,\r | |
212 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
213 | );\r | |
214 | if (EFI_ERROR (Status)) {\r | |
215 | return Status;\r | |
216 | }\r | |
217 | \r | |
6a6d955c | 218 | PciAttributesSaved = FALSE;\r |
823f7d4f | 219 | //\r |
220 | // Save original PCI attributes\r | |
221 | //\r | |
222 | Status = PciIo->Attributes (\r | |
223 | PciIo,\r | |
224 | EfiPciIoAttributeOperationGet,\r | |
225 | 0,\r | |
226 | &OriginalPciAttributes\r | |
227 | );\r | |
228 | \r | |
229 | if (EFI_ERROR (Status)) {\r | |
6a6d955c | 230 | goto Done;\r |
823f7d4f | 231 | }\r |
6a6d955c | 232 | PciAttributesSaved = TRUE;\r |
823f7d4f | 233 | \r |
234 | Status = PciIo->Attributes (\r | |
235 | PciIo,\r | |
236 | EfiPciIoAttributeOperationSupported,\r | |
237 | 0,\r | |
238 | &Supports\r | |
239 | );\r | |
240 | if (!EFI_ERROR (Status)) {\r | |
241 | Supports &= (EFI_PCI_DEVICE_ENABLE |\r | |
242 | EFI_PCI_IO_ATTRIBUTE_IDE_PRIMARY_IO |\r | |
243 | EFI_PCI_IO_ATTRIBUTE_IDE_SECONDARY_IO);\r | |
244 | Status = PciIo->Attributes (\r | |
245 | PciIo,\r | |
246 | EfiPciIoAttributeOperationEnable,\r | |
247 | Supports,\r | |
248 | NULL\r | |
249 | );\r | |
250 | }\r | |
251 | if (EFI_ERROR (Status)) {\r | |
252 | goto Done;\r | |
253 | }\r | |
254 | \r | |
255 | //\r | |
256 | // Create SCSI Pass Thru instance for the IDE channel.\r | |
257 | //\r | |
258 | Status = RegisterAtapiScsiPassThru (This, Controller, PciIo, OriginalPciAttributes);\r | |
259 | \r | |
260 | Done:\r | |
261 | if (EFI_ERROR (Status)) {\r | |
6a6d955c | 262 | if (PciAttributesSaved == TRUE) {\r |
263 | //\r | |
264 | // Restore original PCI attributes\r | |
265 | //\r | |
266 | PciIo->Attributes (\r | |
267 | PciIo,\r | |
268 | EfiPciIoAttributeOperationSet,\r | |
269 | OriginalPciAttributes,\r | |
270 | NULL\r | |
271 | );\r | |
272 | }\r | |
823f7d4f | 273 | \r |
274 | gBS->CloseProtocol (\r | |
275 | Controller,\r | |
276 | &gEfiPciIoProtocolGuid,\r | |
277 | This->DriverBindingHandle,\r | |
278 | Controller\r | |
279 | );\r | |
280 | }\r | |
281 | \r | |
282 | return Status;\r | |
283 | }\r | |
284 | \r | |
285 | EFI_STATUS\r | |
286 | EFIAPI\r | |
287 | AtapiScsiPassThruDriverBindingStop (\r | |
288 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
289 | IN EFI_HANDLE Controller,\r | |
290 | IN UINTN NumberOfChildren,\r | |
291 | IN EFI_HANDLE *ChildHandleBuffer\r | |
292 | )\r | |
293 | /*++\r | |
6a6d955c | 294 | \r |
823f7d4f | 295 | Routine Description:\r |
296 | \r | |
be900781 | 297 | Stop this driver on ControllerHandle. Support stopping any child handles\r |
823f7d4f | 298 | created by this driver.\r |
299 | \r | |
300 | Arguments:\r | |
301 | \r | |
302 | This - Protocol instance pointer.\r | |
303 | Controller - Handle of device to stop driver on\r | |
304 | NumberOfChildren - Number of Children in the ChildHandleBuffer\r | |
305 | ChildHandleBuffer - List of handles for the children we need to stop.\r | |
6a6d955c | 306 | \r |
823f7d4f | 307 | Returns:\r |
308 | \r | |
309 | EFI_STATUS\r | |
6a6d955c | 310 | \r |
823f7d4f | 311 | --*/\r |
312 | {\r | |
313 | EFI_STATUS Status;\r | |
314 | EFI_SCSI_PASS_THRU_PROTOCOL *ScsiPassThru;\r | |
315 | EFI_EXT_SCSI_PASS_THRU_PROTOCOL *ExtScsiPassThru;\r | |
316 | ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate;\r | |
317 | \r | |
318 | if (FeaturePcdGet (PcdSupportScsiPassThru)) {\r | |
319 | Status = gBS->OpenProtocol (\r | |
320 | Controller,\r | |
321 | &gEfiScsiPassThruProtocolGuid,\r | |
322 | (VOID **) &ScsiPassThru,\r | |
323 | This->DriverBindingHandle,\r | |
324 | Controller,\r | |
325 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
326 | );\r | |
327 | if (EFI_ERROR (Status)) {\r | |
328 | return Status;\r | |
329 | }\r | |
330 | AtapiScsiPrivate = ATAPI_SCSI_PASS_THRU_DEV_FROM_THIS (ScsiPassThru);\r | |
331 | if (FeaturePcdGet (PcdSupportExtScsiPassThru)) {\r | |
332 | Status = gBS->UninstallMultipleProtocolInterfaces (\r | |
333 | Controller,\r | |
334 | &gEfiScsiPassThruProtocolGuid,\r | |
335 | &AtapiScsiPrivate->ScsiPassThru,\r | |
336 | &gEfiExtScsiPassThruProtocolGuid,\r | |
337 | &AtapiScsiPrivate->ExtScsiPassThru,\r | |
338 | NULL\r | |
339 | );\r | |
340 | } else {\r | |
341 | Status = gBS->UninstallMultipleProtocolInterfaces (\r | |
342 | Controller,\r | |
343 | &gEfiScsiPassThruProtocolGuid,\r | |
344 | &AtapiScsiPrivate->ScsiPassThru,\r | |
345 | NULL\r | |
346 | );\r | |
347 | }\r | |
348 | } else {\r | |
349 | Status = gBS->OpenProtocol (\r | |
350 | Controller,\r | |
351 | &gEfiExtScsiPassThruProtocolGuid,\r | |
352 | (VOID **) &ExtScsiPassThru,\r | |
353 | This->DriverBindingHandle,\r | |
354 | Controller,\r | |
355 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
356 | );\r | |
357 | if (EFI_ERROR (Status)) {\r | |
358 | return Status;\r | |
359 | }\r | |
360 | AtapiScsiPrivate = ATAPI_EXT_SCSI_PASS_THRU_DEV_FROM_THIS (ExtScsiPassThru);\r | |
361 | Status = gBS->UninstallMultipleProtocolInterfaces (\r | |
362 | Controller,\r | |
363 | &gEfiExtScsiPassThruProtocolGuid,\r | |
364 | &AtapiScsiPrivate->ExtScsiPassThru,\r | |
365 | NULL\r | |
366 | );\r | |
367 | }\r | |
368 | if (EFI_ERROR (Status)) {\r | |
369 | return Status;\r | |
370 | }\r | |
371 | \r | |
372 | //\r | |
373 | // Restore original PCI attributes\r | |
374 | //\r | |
375 | AtapiScsiPrivate->PciIo->Attributes (\r | |
376 | AtapiScsiPrivate->PciIo,\r | |
377 | EfiPciIoAttributeOperationSet,\r | |
378 | AtapiScsiPrivate->OriginalPciAttributes,\r | |
379 | NULL\r | |
380 | );\r | |
381 | \r | |
382 | gBS->CloseProtocol (\r | |
383 | Controller,\r | |
384 | &gEfiPciIoProtocolGuid,\r | |
385 | This->DriverBindingHandle,\r | |
386 | Controller\r | |
387 | );\r | |
388 | \r | |
389 | gBS->FreePool (AtapiScsiPrivate);\r | |
390 | \r | |
391 | return EFI_SUCCESS;\r | |
392 | }\r | |
393 | \r | |
394 | EFI_STATUS\r | |
395 | RegisterAtapiScsiPassThru (\r | |
396 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
397 | IN EFI_HANDLE Controller,\r | |
398 | IN EFI_PCI_IO_PROTOCOL *PciIo,\r | |
399 | IN UINT64 OriginalPciAttributes\r | |
400 | )\r | |
401 | /*++\r | |
6a6d955c | 402 | \r |
823f7d4f | 403 | Routine Description:\r |
404 | Attaches SCSI Pass Thru Protocol for specified IDE channel.\r | |
6a6d955c | 405 | \r |
823f7d4f | 406 | Arguments:\r |
407 | This - Protocol instance pointer.\r | |
6a6d955c | 408 | Controller - Parent device handle to the IDE channel.\r |
409 | PciIo - PCI I/O protocol attached on the "Controller".\r | |
410 | \r | |
823f7d4f | 411 | Returns:\r |
412 | Always return EFI_SUCCESS unless installing SCSI Pass Thru Protocol failed.\r | |
413 | \r | |
414 | --*/\r | |
415 | {\r | |
416 | EFI_STATUS Status;\r | |
417 | ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate;\r | |
418 | IDE_REGISTERS_BASE_ADDR IdeRegsBaseAddr[ATAPI_MAX_CHANNEL];\r | |
419 | \r | |
420 | AtapiScsiPrivate = AllocateZeroPool (sizeof (ATAPI_SCSI_PASS_THRU_DEV));\r | |
421 | if (AtapiScsiPrivate == NULL) {\r | |
422 | return EFI_OUT_OF_RESOURCES;\r | |
423 | }\r | |
424 | \r | |
425 | AtapiScsiPrivate->Signature = ATAPI_SCSI_PASS_THRU_DEV_SIGNATURE;\r | |
426 | AtapiScsiPrivate->Handle = Controller;\r | |
427 | \r | |
428 | //\r | |
429 | // will reset the IoPort inside each API function.\r | |
430 | //\r | |
431 | AtapiScsiPrivate->IoPort = NULL;\r | |
432 | AtapiScsiPrivate->PciIo = PciIo;\r | |
433 | AtapiScsiPrivate->OriginalPciAttributes = OriginalPciAttributes;\r | |
434 | \r | |
435 | //\r | |
436 | // Obtain IDE IO port registers' base addresses\r | |
437 | //\r | |
438 | Status = GetIdeRegistersBaseAddr (PciIo, IdeRegsBaseAddr);\r | |
439 | if (EFI_ERROR (Status)) {\r | |
440 | return Status;\r | |
441 | }\r | |
442 | \r | |
443 | InitAtapiIoPortRegisters(AtapiScsiPrivate, IdeRegsBaseAddr);\r | |
444 | \r | |
445 | //\r | |
446 | // Initialize the LatestTargetId to MAX_TARGET_ID.\r | |
447 | //\r | |
448 | AtapiScsiPrivate->LatestTargetId = MAX_TARGET_ID;\r | |
449 | AtapiScsiPrivate->LatestLun = 0;\r | |
450 | \r | |
451 | Status = InstallScsiPassThruProtocols (&Controller, AtapiScsiPrivate);\r | |
452 | \r | |
453 | return Status;\r | |
454 | }\r | |
455 | \r | |
456 | EFI_STATUS\r | |
457 | EFIAPI\r | |
458 | AtapiScsiPassThruFunction (\r | |
459 | IN EFI_SCSI_PASS_THRU_PROTOCOL *This,\r | |
460 | IN UINT32 Target,\r | |
461 | IN UINT64 Lun,\r | |
462 | IN OUT EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *Packet,\r | |
463 | IN EFI_EVENT Event OPTIONAL\r | |
464 | )\r | |
465 | /*++\r | |
466 | \r | |
467 | Routine Description:\r | |
468 | \r | |
469 | Implements EFI_SCSI_PASS_THRU_PROTOCOL.PassThru() function.\r | |
470 | \r | |
471 | Arguments:\r | |
472 | \r | |
473 | This: The EFI_SCSI_PASS_THRU_PROTOCOL instance.\r | |
6a6d955c | 474 | Target: The Target ID of the ATAPI device to send the SCSI\r |
823f7d4f | 475 | Request Packet. To ATAPI devices attached on an IDE\r |
476 | Channel, Target ID 0 indicates Master device;Target\r | |
477 | ID 1 indicates Slave device.\r | |
478 | Lun: The LUN of the ATAPI device to send the SCSI Request\r | |
479 | Packet. To the ATAPI device, Lun is always 0.\r | |
6a6d955c | 480 | Packet: The SCSI Request Packet to send to the ATAPI device\r |
823f7d4f | 481 | specified by Target and Lun.\r |
6a6d955c | 482 | Event: If non-blocking I/O is not supported then Event is ignored,\r |
823f7d4f | 483 | and blocking I/O is performed.\r |
484 | If Event is NULL, then blocking I/O is performed.\r | |
6a6d955c | 485 | If Event is not NULL and non blocking I/O is supported,\r |
486 | then non-blocking I/O is performed, and Event will be signaled\r | |
487 | when the SCSI Request Packet completes.\r | |
823f7d4f | 488 | \r |
6a6d955c | 489 | Returns:\r |
823f7d4f | 490 | \r |
491 | EFI_STATUS\r | |
6a6d955c | 492 | \r |
823f7d4f | 493 | --*/\r |
494 | {\r | |
495 | ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate;\r | |
496 | EFI_STATUS Status;\r | |
497 | \r | |
498 | AtapiScsiPrivate = ATAPI_SCSI_PASS_THRU_DEV_FROM_THIS (This);\r | |
499 | \r | |
500 | //\r | |
501 | // Target is not allowed beyond MAX_TARGET_ID\r | |
502 | //\r | |
503 | if ((Target > MAX_TARGET_ID) || (Lun != 0)) {\r | |
504 | return EFI_INVALID_PARAMETER;\r | |
505 | }\r | |
6a6d955c | 506 | \r |
823f7d4f | 507 | //\r |
508 | // check the data fields in Packet parameter.\r | |
509 | //\r | |
510 | Status = CheckSCSIRequestPacket (Packet);\r | |
511 | if (EFI_ERROR (Status)) {\r | |
512 | return Status;\r | |
513 | }\r | |
514 | \r | |
515 | //\r | |
516 | // If Request Packet targets at the IDE channel itself,\r | |
517 | // do nothing.\r | |
518 | //\r | |
519 | if (Target == This->Mode->AdapterId) {\r | |
520 | Packet->TransferLength = 0;\r | |
521 | return EFI_SUCCESS;\r | |
522 | }\r | |
523 | \r | |
524 | //\r | |
525 | // According to Target ID, reset the Atapi I/O Register mapping\r | |
526 | // (Target Id in [0,1] area, using AtapiIoPortRegisters[0],\r | |
527 | // Target Id in [2,3] area, using AtapiIoPortRegisters[1]\r | |
528 | //\r | |
529 | if ((Target / 2) == 0) {\r | |
530 | Target = Target % 2;\r | |
531 | AtapiScsiPrivate->IoPort = &AtapiScsiPrivate->AtapiIoPortRegisters[0];\r | |
532 | } else {\r | |
533 | Target = Target % 2;\r | |
534 | AtapiScsiPrivate->IoPort = &AtapiScsiPrivate->AtapiIoPortRegisters[1];\r | |
535 | }\r | |
536 | \r | |
537 | //\r | |
538 | // the ATAPI SCSI interface does not support non-blocking I/O\r | |
539 | // ignore the Event parameter\r | |
540 | //\r | |
541 | // Performs blocking I/O.\r | |
542 | //\r | |
543 | Status = SubmitBlockingIoCommand (AtapiScsiPrivate, Target, Packet);\r | |
544 | return Status;\r | |
545 | }\r | |
546 | \r | |
547 | EFI_STATUS\r | |
548 | EFIAPI\r | |
549 | AtapiScsiPassThruGetNextDevice (\r | |
550 | IN EFI_SCSI_PASS_THRU_PROTOCOL *This,\r | |
551 | IN OUT UINT32 *Target,\r | |
552 | IN OUT UINT64 *Lun\r | |
553 | )\r | |
554 | /*++\r | |
555 | \r | |
556 | Routine Description:\r | |
557 | \r | |
6a6d955c | 558 | Used to retrieve the list of legal Target IDs for SCSI devices\r |
823f7d4f | 559 | on a SCSI channel.\r |
560 | \r | |
561 | Arguments:\r | |
562 | \r | |
563 | This - Protocol instance pointer.\r | |
6a6d955c | 564 | Target - On input, a pointer to the Target ID of a SCSI\r |
565 | device present on the SCSI channel. On output,\r | |
823f7d4f | 566 | a pointer to the Target ID of the next SCSI device\r |
6a6d955c | 567 | present on a SCSI channel. An input value of\r |
568 | 0xFFFFFFFF retrieves the Target ID of the first\r | |
823f7d4f | 569 | SCSI device present on a SCSI channel.\r |
570 | Lun - On input, a pointer to the LUN of a SCSI device\r | |
571 | present on the SCSI channel. On output, a pointer\r | |
6a6d955c | 572 | to the LUN of the next SCSI device present on\r |
823f7d4f | 573 | a SCSI channel.\r |
574 | Returns:\r | |
575 | \r | |
6a6d955c | 576 | EFI_SUCCESS - The Target ID and Lun of the next SCSI device\r |
823f7d4f | 577 | on the SCSI channel was returned in Target and Lun.\r |
578 | EFI_NOT_FOUND - There are no more SCSI devices on this SCSI channel.\r | |
579 | EFI_INVALID_PARAMETER - Target is not 0xFFFFFFFF,and Target and Lun were not\r | |
580 | returned on a previous call to GetNextDevice().\r | |
581 | --*/\r | |
582 | {\r | |
583 | ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate;\r | |
584 | \r | |
585 | //\r | |
586 | // Retrieve Device Private Data Structure.\r | |
587 | //\r | |
588 | AtapiScsiPrivate = ATAPI_SCSI_PASS_THRU_DEV_FROM_THIS (This);\r | |
589 | \r | |
590 | //\r | |
591 | // Check whether Target is valid.\r | |
592 | //\r | |
593 | if (Target == NULL || Lun == NULL) {\r | |
594 | return EFI_INVALID_PARAMETER;\r | |
595 | }\r | |
596 | \r | |
597 | if ((*Target != 0xFFFFFFFF) &&\r | |
598 | ((*Target != AtapiScsiPrivate->LatestTargetId) ||\r | |
599 | (*Lun != AtapiScsiPrivate->LatestLun))) {\r | |
600 | return EFI_INVALID_PARAMETER;\r | |
601 | }\r | |
602 | \r | |
603 | if (*Target == MAX_TARGET_ID) {\r | |
604 | return EFI_NOT_FOUND;\r | |
605 | }\r | |
606 | \r | |
607 | if (*Target == 0xFFFFFFFF) {\r | |
608 | *Target = 0;\r | |
609 | } else {\r | |
610 | *Target = AtapiScsiPrivate->LatestTargetId + 1;\r | |
611 | }\r | |
612 | \r | |
613 | *Lun = 0;\r | |
614 | \r | |
615 | //\r | |
616 | // Update the LatestTargetId.\r | |
617 | //\r | |
618 | AtapiScsiPrivate->LatestTargetId = *Target;\r | |
619 | AtapiScsiPrivate->LatestLun = *Lun;\r | |
620 | \r | |
621 | return EFI_SUCCESS;\r | |
622 | \r | |
623 | }\r | |
624 | \r | |
625 | EFI_STATUS\r | |
626 | EFIAPI\r | |
627 | AtapiScsiPassThruBuildDevicePath (\r | |
628 | IN EFI_SCSI_PASS_THRU_PROTOCOL *This,\r | |
629 | IN UINT32 Target,\r | |
630 | IN UINT64 Lun,\r | |
631 | IN OUT EFI_DEVICE_PATH_PROTOCOL **DevicePath\r | |
632 | )\r | |
633 | /*++\r | |
634 | \r | |
635 | Routine Description:\r | |
636 | \r | |
6a6d955c | 637 | Used to allocate and build a device path node for a SCSI device\r |
823f7d4f | 638 | on a SCSI channel. Would not build device path for a SCSI Host Controller.\r |
639 | \r | |
640 | Arguments:\r | |
641 | \r | |
642 | This - Protocol instance pointer.\r | |
643 | Target - The Target ID of the SCSI device for which\r | |
644 | a device path node is to be allocated and built.\r | |
6a6d955c | 645 | Lun - The LUN of the SCSI device for which a device\r |
823f7d4f | 646 | path node is to be allocated and built.\r |
6a6d955c | 647 | DevicePath - A pointer to a single device path node that\r |
648 | describes the SCSI device specified by\r | |
649 | Target and Lun. This function is responsible\r | |
823f7d4f | 650 | for allocating the buffer DevicePath with the boot\r |
6a6d955c | 651 | service AllocatePool(). It is the caller's\r |
823f7d4f | 652 | responsibility to free DevicePath when the caller\r |
6a6d955c | 653 | is finished with DevicePath.\r |
823f7d4f | 654 | Returns:\r |
655 | EFI_SUCCESS - The device path node that describes the SCSI device\r | |
6a6d955c | 656 | specified by Target and Lun was allocated and\r |
823f7d4f | 657 | returned in DevicePath.\r |
658 | EFI_NOT_FOUND - The SCSI devices specified by Target and Lun does\r | |
659 | not exist on the SCSI channel.\r | |
660 | EFI_INVALID_PARAMETER - DevicePath is NULL.\r | |
6a6d955c | 661 | EFI_OUT_OF_RESOURCES - There are not enough resources to allocate\r |
823f7d4f | 662 | DevicePath.\r |
663 | --*/\r | |
664 | {\r | |
665 | EFI_DEV_PATH *Node;\r | |
666 | \r | |
667 | \r | |
668 | //\r | |
669 | // Validate parameters passed in.\r | |
670 | //\r | |
671 | \r | |
672 | if (DevicePath == NULL) {\r | |
673 | return EFI_INVALID_PARAMETER;\r | |
674 | }\r | |
675 | \r | |
676 | //\r | |
677 | // can not build device path for the SCSI Host Controller.\r | |
678 | //\r | |
679 | if ((Target > (MAX_TARGET_ID - 1)) || (Lun != 0)) {\r | |
680 | return EFI_NOT_FOUND;\r | |
681 | }\r | |
682 | \r | |
683 | Node = AllocateZeroPool (sizeof (EFI_DEV_PATH));\r | |
684 | if (Node == NULL) {\r | |
685 | return EFI_OUT_OF_RESOURCES;\r | |
686 | }\r | |
687 | \r | |
688 | Node->DevPath.Type = MESSAGING_DEVICE_PATH;\r | |
689 | Node->DevPath.SubType = MSG_ATAPI_DP;\r | |
690 | SetDevicePathNodeLength (&Node->DevPath, sizeof (ATAPI_DEVICE_PATH));\r | |
691 | \r | |
692 | Node->Atapi.PrimarySecondary = (UINT8) (Target / 2);\r | |
693 | Node->Atapi.SlaveMaster = (UINT8) (Target % 2);\r | |
694 | Node->Atapi.Lun = (UINT16) Lun;\r | |
695 | \r | |
696 | *DevicePath = (EFI_DEVICE_PATH_PROTOCOL *) Node;\r | |
697 | \r | |
698 | return EFI_SUCCESS;\r | |
699 | }\r | |
700 | \r | |
701 | EFI_STATUS\r | |
702 | EFIAPI\r | |
703 | AtapiScsiPassThruGetTargetLun (\r | |
704 | IN EFI_SCSI_PASS_THRU_PROTOCOL *This,\r | |
705 | IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,\r | |
706 | OUT UINT32 *Target,\r | |
707 | OUT UINT64 *Lun\r | |
708 | )\r | |
709 | /*++\r | |
710 | \r | |
711 | Routine Description:\r | |
712 | \r | |
713 | Used to translate a device path node to a Target ID and LUN.\r | |
714 | \r | |
715 | Arguments:\r | |
716 | \r | |
717 | This - Protocol instance pointer.\r | |
6a6d955c | 718 | DevicePath - A pointer to the device path node that\r |
823f7d4f | 719 | describes a SCSI device on the SCSI channel.\r |
6a6d955c | 720 | Target - A pointer to the Target ID of a SCSI device\r |
721 | on the SCSI channel.\r | |
722 | Lun - A pointer to the LUN of a SCSI device on\r | |
723 | the SCSI channel.\r | |
823f7d4f | 724 | Returns:\r |
725 | \r | |
6a6d955c | 726 | EFI_SUCCESS - DevicePath was successfully translated to a\r |
727 | Target ID and LUN, and they were returned\r | |
823f7d4f | 728 | in Target and Lun.\r |
729 | EFI_INVALID_PARAMETER - DevicePath/Target/Lun is NULL.\r | |
6a6d955c | 730 | EFI_UNSUPPORTED - This driver does not support the device path\r |
823f7d4f | 731 | node type in DevicePath.\r |
6a6d955c | 732 | EFI_NOT_FOUND - A valid translation from DevicePath to a\r |
823f7d4f | 733 | Target ID and LUN does not exist.\r |
734 | --*/\r | |
735 | {\r | |
736 | EFI_DEV_PATH *Node;\r | |
737 | \r | |
738 | //\r | |
739 | // Validate parameters passed in.\r | |
740 | //\r | |
741 | if (DevicePath == NULL || Target == NULL || Lun == NULL) {\r | |
742 | return EFI_INVALID_PARAMETER;\r | |
743 | }\r | |
744 | \r | |
745 | //\r | |
746 | // Check whether the DevicePath belongs to SCSI_DEVICE_PATH\r | |
747 | //\r | |
748 | if ((DevicePath->Type != MESSAGING_DEVICE_PATH) ||\r | |
749 | (DevicePath->SubType != MSG_ATAPI_DP) ||\r | |
750 | (DevicePathNodeLength(DevicePath) != sizeof(ATAPI_DEVICE_PATH))) {\r | |
751 | return EFI_UNSUPPORTED;\r | |
752 | }\r | |
753 | \r | |
754 | Node = (EFI_DEV_PATH *) DevicePath;\r | |
755 | \r | |
756 | *Target = Node->Atapi.PrimarySecondary * 2 + Node->Atapi.SlaveMaster;\r | |
757 | *Lun = Node->Atapi.Lun;\r | |
758 | \r | |
759 | if (*Target > (MAX_TARGET_ID - 1) || *Lun != 0) {\r | |
760 | return EFI_NOT_FOUND;\r | |
761 | }\r | |
762 | \r | |
763 | return EFI_SUCCESS;\r | |
764 | }\r | |
765 | \r | |
766 | EFI_STATUS\r | |
767 | EFIAPI\r | |
768 | AtapiScsiPassThruResetChannel (\r | |
769 | IN EFI_SCSI_PASS_THRU_PROTOCOL *This\r | |
770 | )\r | |
771 | /*++\r | |
772 | \r | |
773 | Routine Description:\r | |
774 | \r | |
6a6d955c | 775 | Resets a SCSI channel.This operation resets all the\r |
823f7d4f | 776 | SCSI devices connected to the SCSI channel.\r |
777 | \r | |
778 | Arguments:\r | |
779 | \r | |
780 | This - Protocol instance pointer.\r | |
781 | \r | |
782 | Returns:\r | |
783 | \r | |
784 | EFI_SUCCESS - The SCSI channel was reset.\r | |
6a6d955c | 785 | EFI_UNSUPPORTED - The SCSI channel does not support\r |
823f7d4f | 786 | a channel reset operation.\r |
6a6d955c | 787 | EFI_DEVICE_ERROR - A device error occurred while\r |
823f7d4f | 788 | attempting to reset the SCSI channel.\r |
6a6d955c | 789 | EFI_TIMEOUT - A timeout occurred while attempting\r |
823f7d4f | 790 | to reset the SCSI channel.\r |
791 | --*/\r | |
792 | {\r | |
793 | UINT8 DeviceControlValue;\r | |
794 | ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate;\r | |
795 | UINT8 Index;\r | |
796 | BOOLEAN ResetFlag;\r | |
797 | \r | |
798 | AtapiScsiPrivate = ATAPI_SCSI_PASS_THRU_DEV_FROM_THIS (This);\r | |
799 | ResetFlag = FALSE;\r | |
800 | \r | |
801 | //\r | |
802 | // Reset both Primary channel and Secondary channel.\r | |
803 | // so, the IoPort pointer must point to the right I/O Register group\r | |
804 | //\r | |
805 | for (Index = 0; Index < 2; Index++) {\r | |
806 | //\r | |
807 | // Reset\r | |
808 | //\r | |
809 | AtapiScsiPrivate->IoPort = &AtapiScsiPrivate->AtapiIoPortRegisters[Index];\r | |
810 | \r | |
811 | DeviceControlValue = 0;\r | |
812 | //\r | |
813 | // set SRST bit to initiate soft reset\r | |
814 | //\r | |
815 | DeviceControlValue |= SRST;\r | |
816 | //\r | |
817 | // disable Interrupt\r | |
818 | //\r | |
5781db08 | 819 | DeviceControlValue |= BIT1;\r |
823f7d4f | 820 | WritePortB (\r |
821 | AtapiScsiPrivate->PciIo,\r | |
822 | AtapiScsiPrivate->IoPort->Alt.DeviceControl,\r | |
823 | DeviceControlValue\r | |
824 | );\r | |
825 | \r | |
826 | //\r | |
827 | // Wait 10us\r | |
828 | //\r | |
829 | gBS->Stall (10);\r | |
830 | \r | |
831 | //\r | |
832 | // Clear SRST bit\r | |
833 | // 0xfb:1111,1011\r | |
834 | //\r | |
835 | DeviceControlValue &= 0xfb;\r | |
836 | \r | |
837 | WritePortB (AtapiScsiPrivate->PciIo, AtapiScsiPrivate->IoPort->Alt.DeviceControl, DeviceControlValue);\r | |
838 | \r | |
839 | //\r | |
840 | // slave device needs at most 31s to clear BSY\r | |
841 | //\r | |
842 | if (StatusWaitForBSYClear (AtapiScsiPrivate, 31000000) != EFI_TIMEOUT) {\r | |
843 | ResetFlag = TRUE;\r | |
844 | }\r | |
845 | }\r | |
846 | \r | |
847 | if (ResetFlag) {\r | |
848 | return EFI_SUCCESS;\r | |
849 | }\r | |
850 | \r | |
851 | return EFI_TIMEOUT;\r | |
852 | }\r | |
853 | \r | |
854 | EFI_STATUS\r | |
855 | EFIAPI\r | |
856 | AtapiScsiPassThruResetTarget (\r | |
857 | IN EFI_SCSI_PASS_THRU_PROTOCOL *This,\r | |
858 | IN UINT32 Target,\r | |
859 | IN UINT64 Lun\r | |
860 | )\r | |
861 | /*++\r | |
862 | \r | |
863 | Routine Description:\r | |
864 | \r | |
865 | Resets a SCSI device that is connected to a SCSI channel.\r | |
866 | \r | |
867 | Arguments:\r | |
868 | \r | |
869 | This - Protocol instance pointer.\r | |
6a6d955c | 870 | Target - The Target ID of the SCSI device to reset.\r |
823f7d4f | 871 | Lun - The LUN of the SCSI device to reset.\r |
6a6d955c | 872 | \r |
823f7d4f | 873 | Returns:\r |
874 | \r | |
6a6d955c | 875 | EFI_SUCCESS - The SCSI device specified by Target and\r |
823f7d4f | 876 | Lun was reset.\r |
877 | EFI_UNSUPPORTED - The SCSI channel does not support a target\r | |
878 | reset operation.\r | |
879 | EFI_INVALID_PARAMETER - Target or Lun are invalid.\r | |
6a6d955c | 880 | EFI_DEVICE_ERROR - A device error occurred while attempting\r |
881 | to reset the SCSI device specified by Target\r | |
823f7d4f | 882 | and Lun.\r |
6a6d955c | 883 | EFI_TIMEOUT - A timeout occurred while attempting to reset\r |
823f7d4f | 884 | the SCSI device specified by Target and Lun.\r |
885 | --*/\r | |
886 | {\r | |
887 | ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate;\r | |
888 | UINT8 Command;\r | |
889 | UINT8 DeviceSelect;\r | |
890 | \r | |
891 | AtapiScsiPrivate = ATAPI_SCSI_PASS_THRU_DEV_FROM_THIS (This);\r | |
892 | \r | |
893 | if ((Target > MAX_TARGET_ID) || (Lun != 0)) {\r | |
894 | return EFI_INVALID_PARAMETER;\r | |
895 | }\r | |
896 | //\r | |
897 | // Directly return EFI_SUCCESS if want to reset the host controller\r | |
898 | //\r | |
899 | if (Target == This->Mode->AdapterId) {\r | |
900 | return EFI_SUCCESS;\r | |
901 | }\r | |
902 | \r | |
903 | //\r | |
904 | // According to Target ID, reset the Atapi I/O Register mapping\r | |
905 | // (Target Id in [0,1] area, using AtapiIoPortRegisters[0],\r | |
906 | // Target Id in [2,3] area, using AtapiIoPortRegisters[1]\r | |
907 | //\r | |
908 | if ((Target / 2) == 0) {\r | |
909 | AtapiScsiPrivate->IoPort = &AtapiScsiPrivate->AtapiIoPortRegisters[0];\r | |
910 | } else {\r | |
911 | AtapiScsiPrivate->IoPort = &AtapiScsiPrivate->AtapiIoPortRegisters[1];\r | |
912 | }\r | |
913 | \r | |
914 | //\r | |
915 | // for ATAPI device, no need to wait DRDY ready after device selecting.\r | |
916 | //\r | |
917 | // bit7 and bit5 are both set to 1 for backward compatibility\r | |
918 | //\r | |
5781db08 | 919 | DeviceSelect = (UINT8) (((BIT7 | BIT5) | (Target << 4)));\r |
823f7d4f | 920 | WritePortB (AtapiScsiPrivate->PciIo, AtapiScsiPrivate->IoPort->Head, DeviceSelect);\r |
921 | \r | |
922 | Command = ATAPI_SOFT_RESET_CMD;\r | |
923 | WritePortB (AtapiScsiPrivate->PciIo, AtapiScsiPrivate->IoPort->Reg.Command, Command);\r | |
924 | \r | |
925 | //\r | |
926 | // BSY clear is the only status return to the host by the device\r | |
927 | // when reset is complete.\r | |
928 | // slave device needs at most 31s to clear BSY\r | |
929 | //\r | |
930 | if (EFI_ERROR (StatusWaitForBSYClear (AtapiScsiPrivate, 31000000))) {\r | |
931 | return EFI_TIMEOUT;\r | |
932 | }\r | |
933 | \r | |
934 | //\r | |
935 | // stall 5 seconds to make the device status stable\r | |
936 | //\r | |
937 | gBS->Stall (5000000);\r | |
938 | \r | |
939 | return EFI_SUCCESS;\r | |
940 | }\r | |
941 | \r | |
942 | EFI_STATUS\r | |
943 | EFIAPI\r | |
944 | AtapiExtScsiPassThruFunction (\r | |
945 | IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This,\r | |
946 | IN UINT8 *Target,\r | |
947 | IN UINT64 Lun,\r | |
948 | IN OUT EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *Packet,\r | |
949 | IN EFI_EVENT Event OPTIONAL\r | |
950 | )\r | |
951 | /*++\r | |
952 | \r | |
953 | Routine Description:\r | |
954 | \r | |
955 | Implements EFI_EXT_SCSI_PASS_THRU_PROTOCOL.PassThru() function.\r | |
956 | \r | |
957 | Arguments:\r | |
958 | \r | |
959 | This: The EFI_EXT_SCSI_PASS_THRU_PROTOCOL instance.\r | |
6a6d955c | 960 | Target: The Target ID of the ATAPI device to send the SCSI\r |
823f7d4f | 961 | Request Packet. To ATAPI devices attached on an IDE\r |
962 | Channel, Target ID 0 indicates Master device;Target\r | |
963 | ID 1 indicates Slave device.\r | |
964 | Lun: The LUN of the ATAPI device to send the SCSI Request\r | |
965 | Packet. To the ATAPI device, Lun is always 0.\r | |
6a6d955c | 966 | Packet: The SCSI Request Packet to send to the ATAPI device\r |
823f7d4f | 967 | specified by Target and Lun.\r |
6a6d955c | 968 | Event: If non-blocking I/O is not supported then Event is ignored,\r |
823f7d4f | 969 | and blocking I/O is performed.\r |
970 | If Event is NULL, then blocking I/O is performed.\r | |
6a6d955c | 971 | If Event is not NULL and non blocking I/O is supported,\r |
972 | then non-blocking I/O is performed, and Event will be signaled\r | |
973 | when the SCSI Request Packet completes.\r | |
823f7d4f | 974 | \r |
6a6d955c | 975 | Returns:\r |
823f7d4f | 976 | \r |
977 | EFI_STATUS\r | |
6a6d955c | 978 | \r |
823f7d4f | 979 | --*/\r |
980 | {\r | |
981 | EFI_STATUS Status;\r | |
982 | ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate;\r | |
983 | UINT8 TargetId;\r | |
6a6d955c | 984 | \r |
823f7d4f | 985 | AtapiScsiPrivate = ATAPI_EXT_SCSI_PASS_THRU_DEV_FROM_THIS (This);\r |
986 | \r | |
987 | //\r | |
988 | // For ATAPI device, UINT8 is enough to represent the SCSI ID on channel.\r | |
989 | //\r | |
990 | TargetId = Target[0];\r | |
6a6d955c | 991 | \r |
823f7d4f | 992 | //\r |
993 | // Target is not allowed beyond MAX_TARGET_ID\r | |
994 | //\r | |
995 | if ((TargetId > MAX_TARGET_ID) || (Lun != 0)) {\r | |
996 | return EFI_INVALID_PARAMETER;\r | |
997 | }\r | |
6a6d955c | 998 | \r |
823f7d4f | 999 | //\r |
1000 | // check the data fields in Packet parameter.\r | |
1001 | //\r | |
1002 | Status = CheckExtSCSIRequestPacket (Packet);\r | |
1003 | if (EFI_ERROR (Status)) {\r | |
1004 | return Status;\r | |
1005 | }\r | |
1006 | \r | |
1007 | //\r | |
1008 | // If Request Packet targets at the IDE channel itself,\r | |
1009 | // do nothing.\r | |
1010 | //\r | |
1011 | if (TargetId == (UINT8)This->Mode->AdapterId) {\r | |
1012 | Packet->InTransferLength = Packet->OutTransferLength = 0;\r | |
1013 | return EFI_SUCCESS;\r | |
1014 | }\r | |
6a6d955c | 1015 | \r |
823f7d4f | 1016 | //\r |
1017 | // According to Target ID, reset the Atapi I/O Register mapping\r | |
1018 | // (Target Id in [0,1] area, using AtapiIoPortRegisters[0],\r | |
1019 | // Target Id in [2,3] area, using AtapiIoPortRegisters[1]\r | |
1020 | //\r | |
1021 | if ((TargetId / 2) == 0) {\r | |
1022 | TargetId = (UINT8) (TargetId % 2);\r | |
1023 | AtapiScsiPrivate->IoPort = &AtapiScsiPrivate->AtapiIoPortRegisters[0];\r | |
1024 | } else {\r | |
1025 | TargetId = (UINT8) (TargetId % 2);\r | |
1026 | AtapiScsiPrivate->IoPort = &AtapiScsiPrivate->AtapiIoPortRegisters[1];\r | |
1027 | }\r | |
6a6d955c | 1028 | \r |
823f7d4f | 1029 | //\r |
1030 | // the ATAPI SCSI interface does not support non-blocking I/O\r | |
1031 | // ignore the Event parameter\r | |
1032 | //\r | |
1033 | // Performs blocking I/O.\r | |
1034 | //\r | |
1035 | Status = SubmitExtBlockingIoCommand (AtapiScsiPrivate, TargetId, Packet);\r | |
1036 | return Status;\r | |
1037 | }\r | |
1038 | \r | |
1039 | EFI_STATUS\r | |
1040 | EFIAPI\r | |
1041 | AtapiExtScsiPassThruGetNextTargetLun (\r | |
1042 | IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This,\r | |
1043 | IN OUT UINT8 **Target,\r | |
1044 | IN OUT UINT64 *Lun\r | |
1045 | )\r | |
1046 | /*++\r | |
1047 | \r | |
1048 | Routine Description:\r | |
1049 | \r | |
6a6d955c | 1050 | Used to retrieve the list of legal Target IDs for SCSI devices\r |
823f7d4f | 1051 | on a SCSI channel.\r |
1052 | \r | |
1053 | Arguments:\r | |
1054 | \r | |
1055 | This - Protocol instance pointer.\r | |
6a6d955c | 1056 | Target - On input, a pointer to the Target ID of a SCSI\r |
1057 | device present on the SCSI channel. On output,\r | |
823f7d4f | 1058 | a pointer to the Target ID of the next SCSI device\r |
6a6d955c | 1059 | present on a SCSI channel. An input value of\r |
1060 | 0xFFFFFFFF retrieves the Target ID of the first\r | |
823f7d4f | 1061 | SCSI device present on a SCSI channel.\r |
1062 | Lun - On input, a pointer to the LUN of a SCSI device\r | |
1063 | present on the SCSI channel. On output, a pointer\r | |
6a6d955c | 1064 | to the LUN of the next SCSI device present on\r |
823f7d4f | 1065 | a SCSI channel.\r |
1066 | Returns:\r | |
1067 | \r | |
6a6d955c | 1068 | EFI_SUCCESS - The Target ID and Lun of the next SCSI device\r |
823f7d4f | 1069 | on the SCSI channel was returned in Target and Lun.\r |
1070 | EFI_NOT_FOUND - There are no more SCSI devices on this SCSI channel.\r | |
1071 | EFI_INVALID_PARAMETER - Target is not 0xFFFFFFFF,and Target and Lun were not\r | |
1072 | returned on a previous call to GetNextDevice().\r | |
1073 | --*/\r | |
1074 | {\r | |
1075 | UINT8 ByteIndex;\r | |
1076 | UINT8 TargetId;\r | |
1077 | UINT8 ScsiId[TARGET_MAX_BYTES];\r | |
6a6d955c | 1078 | ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate;\r |
823f7d4f | 1079 | \r |
1080 | //\r | |
1081 | // Retrieve Device Private Data Structure.\r | |
1082 | //\r | |
1083 | AtapiScsiPrivate = ATAPI_EXT_SCSI_PASS_THRU_DEV_FROM_THIS (This);\r | |
1084 | \r | |
1085 | //\r | |
1086 | // Check whether Target is valid.\r | |
1087 | //\r | |
1088 | if (*Target == NULL || Lun == NULL) {\r | |
1089 | return EFI_INVALID_PARAMETER;\r | |
1090 | }\r | |
1091 | \r | |
1092 | SetMem (ScsiId, TARGET_MAX_BYTES, 0xFF);\r | |
1093 | \r | |
1094 | TargetId = (*Target)[0];\r | |
1095 | \r | |
1096 | //\r | |
1097 | // For ATAPI device, we use UINT8 to represent the SCSI ID on channel.\r | |
1098 | //\r | |
1099 | if (CompareMem(*Target, ScsiId, TARGET_MAX_BYTES) != 0) {\r | |
1100 | for (ByteIndex = 1; ByteIndex < TARGET_MAX_BYTES; ByteIndex++) {\r | |
1101 | if ((*Target)[ByteIndex] != 0) {\r | |
1102 | return EFI_INVALID_PARAMETER;\r | |
1103 | }\r | |
6a6d955c | 1104 | }\r |
823f7d4f | 1105 | }\r |
6a6d955c | 1106 | \r |
823f7d4f | 1107 | if ((CompareMem(*Target, ScsiId, TARGET_MAX_BYTES) != 0) &&\r |
1108 | ((TargetId != AtapiScsiPrivate->LatestTargetId) ||\r | |
1109 | (*Lun != AtapiScsiPrivate->LatestLun))) {\r | |
1110 | return EFI_INVALID_PARAMETER;\r | |
1111 | }\r | |
1112 | \r | |
1113 | if (TargetId == MAX_TARGET_ID) {\r | |
1114 | return EFI_NOT_FOUND;\r | |
1115 | }\r | |
1116 | \r | |
1117 | if (CompareMem(*Target, ScsiId, TARGET_MAX_BYTES) == 0) {\r | |
1118 | SetMem (*Target, TARGET_MAX_BYTES,0);\r | |
1119 | } else {\r | |
1120 | (*Target)[0] = (UINT8) (AtapiScsiPrivate->LatestTargetId + 1);\r | |
1121 | }\r | |
1122 | \r | |
1123 | *Lun = 0;\r | |
1124 | \r | |
1125 | //\r | |
1126 | // Update the LatestTargetId.\r | |
1127 | //\r | |
1128 | AtapiScsiPrivate->LatestTargetId = (*Target)[0];\r | |
1129 | AtapiScsiPrivate->LatestLun = *Lun;\r | |
1130 | \r | |
1131 | return EFI_SUCCESS;\r | |
1132 | \r | |
1133 | }\r | |
1134 | \r | |
1135 | EFI_STATUS\r | |
1136 | EFIAPI\r | |
1137 | AtapiExtScsiPassThruBuildDevicePath (\r | |
1138 | IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This,\r | |
1139 | IN UINT8 *Target,\r | |
1140 | IN UINT64 Lun,\r | |
1141 | IN OUT EFI_DEVICE_PATH_PROTOCOL **DevicePath\r | |
1142 | )\r | |
1143 | /*++\r | |
1144 | \r | |
1145 | Routine Description:\r | |
1146 | \r | |
6a6d955c | 1147 | Used to allocate and build a device path node for a SCSI device\r |
823f7d4f | 1148 | on a SCSI channel. Would not build device path for a SCSI Host Controller.\r |
1149 | \r | |
1150 | Arguments:\r | |
1151 | \r | |
1152 | This - Protocol instance pointer.\r | |
1153 | Target - The Target ID of the SCSI device for which\r | |
1154 | a device path node is to be allocated and built.\r | |
6a6d955c | 1155 | Lun - The LUN of the SCSI device for which a device\r |
823f7d4f | 1156 | path node is to be allocated and built.\r |
6a6d955c | 1157 | DevicePath - A pointer to a single device path node that\r |
1158 | describes the SCSI device specified by\r | |
1159 | Target and Lun. This function is responsible\r | |
823f7d4f | 1160 | for allocating the buffer DevicePath with the boot\r |
6a6d955c | 1161 | service AllocatePool(). It is the caller's\r |
823f7d4f | 1162 | responsibility to free DevicePath when the caller\r |
6a6d955c | 1163 | is finished with DevicePath.\r |
823f7d4f | 1164 | Returns:\r |
1165 | EFI_SUCCESS - The device path node that describes the SCSI device\r | |
6a6d955c | 1166 | specified by Target and Lun was allocated and\r |
823f7d4f | 1167 | returned in DevicePath.\r |
1168 | EFI_NOT_FOUND - The SCSI devices specified by Target and Lun does\r | |
1169 | not exist on the SCSI channel.\r | |
1170 | EFI_INVALID_PARAMETER - DevicePath is NULL.\r | |
6a6d955c | 1171 | EFI_OUT_OF_RESOURCES - There are not enough resources to allocate\r |
823f7d4f | 1172 | DevicePath.\r |
1173 | --*/\r | |
1174 | {\r | |
1175 | EFI_DEV_PATH *Node;\r | |
1176 | UINT8 TargetId;\r | |
1177 | \r | |
6a6d955c | 1178 | TargetId = Target[0];\r |
823f7d4f | 1179 | \r |
1180 | //\r | |
1181 | // Validate parameters passed in.\r | |
1182 | //\r | |
6a6d955c | 1183 | \r |
823f7d4f | 1184 | if (DevicePath == NULL) {\r |
1185 | return EFI_INVALID_PARAMETER;\r | |
1186 | }\r | |
6a6d955c | 1187 | \r |
823f7d4f | 1188 | //\r |
1189 | // can not build device path for the SCSI Host Controller.\r | |
1190 | //\r | |
1191 | if ((TargetId > (MAX_TARGET_ID - 1)) || (Lun != 0)) {\r | |
1192 | return EFI_NOT_FOUND;\r | |
1193 | }\r | |
1194 | \r | |
1195 | Node = AllocateZeroPool (sizeof (EFI_DEV_PATH));\r | |
1196 | if (Node == NULL) {\r | |
1197 | return EFI_OUT_OF_RESOURCES;\r | |
1198 | }\r | |
1199 | \r | |
1200 | Node->DevPath.Type = MESSAGING_DEVICE_PATH;\r | |
1201 | Node->DevPath.SubType = MSG_ATAPI_DP;\r | |
1202 | SetDevicePathNodeLength (&Node->DevPath, sizeof (ATAPI_DEVICE_PATH));\r | |
1203 | \r | |
1204 | Node->Atapi.PrimarySecondary = (UINT8) (TargetId / 2);\r | |
1205 | Node->Atapi.SlaveMaster = (UINT8) (TargetId % 2);\r | |
1206 | Node->Atapi.Lun = (UINT16) Lun;\r | |
1207 | \r | |
1208 | *DevicePath = (EFI_DEVICE_PATH_PROTOCOL *) Node;\r | |
1209 | \r | |
1210 | return EFI_SUCCESS;\r | |
1211 | }\r | |
1212 | \r | |
1213 | EFI_STATUS\r | |
1214 | EFIAPI\r | |
1215 | AtapiExtScsiPassThruGetTargetLun (\r | |
1216 | IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This,\r | |
1217 | IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,\r | |
1218 | OUT UINT8 **Target,\r | |
1219 | OUT UINT64 *Lun\r | |
1220 | )\r | |
1221 | /*++\r | |
1222 | \r | |
1223 | Routine Description:\r | |
1224 | \r | |
1225 | Used to translate a device path node to a Target ID and LUN.\r | |
1226 | \r | |
1227 | Arguments:\r | |
1228 | \r | |
1229 | This - Protocol instance pointer.\r | |
6a6d955c | 1230 | DevicePath - A pointer to the device path node that\r |
823f7d4f | 1231 | describes a SCSI device on the SCSI channel.\r |
6a6d955c | 1232 | Target - A pointer to the Target ID of a SCSI device\r |
1233 | on the SCSI channel.\r | |
1234 | Lun - A pointer to the LUN of a SCSI device on\r | |
1235 | the SCSI channel.\r | |
823f7d4f | 1236 | Returns:\r |
1237 | \r | |
6a6d955c | 1238 | EFI_SUCCESS - DevicePath was successfully translated to a\r |
1239 | Target ID and LUN, and they were returned\r | |
823f7d4f | 1240 | in Target and Lun.\r |
1241 | EFI_INVALID_PARAMETER - DevicePath/Target/Lun is NULL.\r | |
6a6d955c | 1242 | EFI_UNSUPPORTED - This driver does not support the device path\r |
823f7d4f | 1243 | node type in DevicePath.\r |
6a6d955c | 1244 | EFI_NOT_FOUND - A valid translation from DevicePath to a\r |
823f7d4f | 1245 | Target ID and LUN does not exist.\r |
1246 | --*/\r | |
1247 | {\r | |
1248 | EFI_DEV_PATH *Node;\r | |
1249 | \r | |
1250 | //\r | |
1251 | // Validate parameters passed in.\r | |
1252 | //\r | |
1253 | if (DevicePath == NULL || Target == NULL || Lun == NULL) {\r | |
1254 | return EFI_INVALID_PARAMETER;\r | |
1255 | }\r | |
6a6d955c | 1256 | \r |
823f7d4f | 1257 | //\r |
1258 | // Check whether the DevicePath belongs to SCSI_DEVICE_PATH\r | |
1259 | //\r | |
1260 | if ((DevicePath->Type != MESSAGING_DEVICE_PATH) ||\r | |
1261 | (DevicePath->SubType != MSG_ATAPI_DP) ||\r | |
1262 | (DevicePathNodeLength(DevicePath) != sizeof(ATAPI_DEVICE_PATH))) {\r | |
1263 | return EFI_UNSUPPORTED;\r | |
1264 | }\r | |
1265 | \r | |
1266 | ZeroMem (*Target, TARGET_MAX_BYTES);\r | |
1267 | \r | |
1268 | Node = (EFI_DEV_PATH *) DevicePath;\r | |
1269 | \r | |
1270 | (*Target)[0] = (UINT8) (Node->Atapi.PrimarySecondary * 2 + Node->Atapi.SlaveMaster);\r | |
1271 | *Lun = Node->Atapi.Lun;\r | |
1272 | \r | |
1273 | if ((*Target)[0] > (MAX_TARGET_ID - 1) || *Lun != 0) {\r | |
1274 | return EFI_NOT_FOUND;\r | |
1275 | }\r | |
1276 | \r | |
1277 | return EFI_SUCCESS;\r | |
1278 | }\r | |
1279 | \r | |
1280 | EFI_STATUS\r | |
1281 | EFIAPI\r | |
1282 | AtapiExtScsiPassThruResetChannel (\r | |
1283 | IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This\r | |
1284 | )\r | |
1285 | /*++\r | |
1286 | \r | |
1287 | Routine Description:\r | |
1288 | \r | |
6a6d955c | 1289 | Resets a SCSI channel.This operation resets all the\r |
823f7d4f | 1290 | SCSI devices connected to the SCSI channel.\r |
1291 | \r | |
1292 | Arguments:\r | |
1293 | \r | |
1294 | This - Protocol instance pointer.\r | |
1295 | \r | |
1296 | Returns:\r | |
1297 | \r | |
1298 | EFI_SUCCESS - The SCSI channel was reset.\r | |
6a6d955c | 1299 | EFI_UNSUPPORTED - The SCSI channel does not support\r |
823f7d4f | 1300 | a channel reset operation.\r |
6a6d955c | 1301 | EFI_DEVICE_ERROR - A device error occurred while\r |
823f7d4f | 1302 | attempting to reset the SCSI channel.\r |
6a6d955c | 1303 | EFI_TIMEOUT - A timeout occurred while attempting\r |
823f7d4f | 1304 | to reset the SCSI channel.\r |
1305 | --*/\r | |
1306 | {\r | |
1307 | UINT8 DeviceControlValue;\r | |
1308 | UINT8 Index;\r | |
1309 | ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate;\r | |
1310 | BOOLEAN ResetFlag;\r | |
1311 | \r | |
1312 | AtapiScsiPrivate = ATAPI_EXT_SCSI_PASS_THRU_DEV_FROM_THIS (This);\r | |
1313 | ResetFlag = FALSE;\r | |
1314 | //\r | |
1315 | // Reset both Primary channel and Secondary channel.\r | |
1316 | // so, the IoPort pointer must point to the right I/O Register group\r | |
1317 | // And if there is a channel reset successfully, return EFI_SUCCESS.\r | |
1318 | //\r | |
1319 | for (Index = 0; Index < 2; Index++) {\r | |
1320 | //\r | |
1321 | // Reset\r | |
1322 | //\r | |
1323 | AtapiScsiPrivate->IoPort = &AtapiScsiPrivate->AtapiIoPortRegisters[Index];\r | |
1324 | \r | |
1325 | DeviceControlValue = 0;\r | |
1326 | //\r | |
1327 | // set SRST bit to initiate soft reset\r | |
1328 | //\r | |
1329 | DeviceControlValue |= SRST;\r | |
1330 | //\r | |
1331 | // disable Interrupt\r | |
1332 | //\r | |
5781db08 | 1333 | DeviceControlValue |= BIT1;\r |
823f7d4f | 1334 | WritePortB (\r |
1335 | AtapiScsiPrivate->PciIo,\r | |
1336 | AtapiScsiPrivate->IoPort->Alt.DeviceControl,\r | |
1337 | DeviceControlValue\r | |
1338 | );\r | |
1339 | \r | |
1340 | //\r | |
1341 | // Wait 10us\r | |
1342 | //\r | |
1343 | gBS->Stall (10);\r | |
1344 | \r | |
1345 | //\r | |
1346 | // Clear SRST bit\r | |
1347 | // 0xfb:1111,1011\r | |
1348 | //\r | |
1349 | DeviceControlValue &= 0xfb;\r | |
6a6d955c | 1350 | \r |
823f7d4f | 1351 | WritePortB (AtapiScsiPrivate->PciIo, AtapiScsiPrivate->IoPort->Alt.DeviceControl, DeviceControlValue);\r |
1352 | \r | |
1353 | //\r | |
1354 | // slave device needs at most 31s to clear BSY\r | |
1355 | //\r | |
1356 | if (StatusWaitForBSYClear (AtapiScsiPrivate, 31000000) != EFI_TIMEOUT) {\r | |
1357 | ResetFlag = TRUE;\r | |
1358 | }\r | |
1359 | }\r | |
1360 | \r | |
1361 | if (ResetFlag) {\r | |
1362 | return EFI_SUCCESS;\r | |
1363 | }\r | |
6a6d955c | 1364 | \r |
823f7d4f | 1365 | return EFI_TIMEOUT;\r |
1366 | }\r | |
1367 | \r | |
1368 | EFI_STATUS\r | |
1369 | EFIAPI\r | |
1370 | AtapiExtScsiPassThruResetTarget (\r | |
1371 | IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This,\r | |
1372 | IN UINT8 *Target,\r | |
1373 | IN UINT64 Lun\r | |
1374 | )\r | |
1375 | /*++\r | |
1376 | \r | |
1377 | Routine Description:\r | |
1378 | \r | |
1379 | Resets a SCSI device that is connected to a SCSI channel.\r | |
1380 | \r | |
1381 | Arguments:\r | |
1382 | \r | |
1383 | This - Protocol instance pointer.\r | |
6a6d955c | 1384 | Target - The Target ID of the SCSI device to reset.\r |
823f7d4f | 1385 | Lun - The LUN of the SCSI device to reset.\r |
6a6d955c | 1386 | \r |
823f7d4f | 1387 | Returns:\r |
1388 | \r | |
6a6d955c | 1389 | EFI_SUCCESS - The SCSI device specified by Target and\r |
823f7d4f | 1390 | Lun was reset.\r |
1391 | EFI_UNSUPPORTED - The SCSI channel does not support a target\r | |
1392 | reset operation.\r | |
1393 | EFI_INVALID_PARAMETER - Target or Lun are invalid.\r | |
6a6d955c | 1394 | EFI_DEVICE_ERROR - A device error occurred while attempting\r |
1395 | to reset the SCSI device specified by Target\r | |
823f7d4f | 1396 | and Lun.\r |
6a6d955c | 1397 | EFI_TIMEOUT - A timeout occurred while attempting to reset\r |
823f7d4f | 1398 | the SCSI device specified by Target and Lun.\r |
1399 | --*/\r | |
1400 | {\r | |
1401 | UINT8 Command;\r | |
1402 | UINT8 DeviceSelect;\r | |
1403 | UINT8 TargetId;\r | |
1404 | ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate;\r | |
6a6d955c | 1405 | \r |
823f7d4f | 1406 | AtapiScsiPrivate = ATAPI_EXT_SCSI_PASS_THRU_DEV_FROM_THIS (This);\r |
1407 | TargetId = Target[0];\r | |
6a6d955c | 1408 | \r |
823f7d4f | 1409 | if ((TargetId > MAX_TARGET_ID) || (Lun != 0)) {\r |
1410 | return EFI_INVALID_PARAMETER;\r | |
1411 | }\r | |
1412 | //\r | |
1413 | // Directly return EFI_SUCCESS if want to reset the host controller\r | |
1414 | //\r | |
1415 | if (TargetId == This->Mode->AdapterId) {\r | |
1416 | return EFI_SUCCESS;\r | |
1417 | }\r | |
6a6d955c | 1418 | \r |
823f7d4f | 1419 | //\r |
1420 | // According to Target ID, reset the Atapi I/O Register mapping\r | |
1421 | // (Target Id in [0,1] area, using AtapiIoPortRegisters[0],\r | |
1422 | // Target Id in [2,3] area, using AtapiIoPortRegisters[1]\r | |
1423 | //\r | |
1424 | if ((TargetId / 2) == 0) {\r | |
1425 | AtapiScsiPrivate->IoPort = &AtapiScsiPrivate->AtapiIoPortRegisters[0];\r | |
1426 | } else {\r | |
1427 | AtapiScsiPrivate->IoPort = &AtapiScsiPrivate->AtapiIoPortRegisters[1];\r | |
1428 | }\r | |
6a6d955c | 1429 | \r |
823f7d4f | 1430 | //\r |
1431 | // for ATAPI device, no need to wait DRDY ready after device selecting.\r | |
1432 | //\r | |
1433 | // bit7 and bit5 are both set to 1 for backward compatibility\r | |
1434 | //\r | |
5781db08 | 1435 | DeviceSelect = (UINT8) ((BIT7 | BIT5) | (TargetId << 4));\r |
823f7d4f | 1436 | WritePortB (AtapiScsiPrivate->PciIo, AtapiScsiPrivate->IoPort->Head, DeviceSelect);\r |
1437 | \r | |
1438 | Command = ATAPI_SOFT_RESET_CMD;\r | |
1439 | WritePortB (AtapiScsiPrivate->PciIo, AtapiScsiPrivate->IoPort->Reg.Command, Command);\r | |
1440 | \r | |
1441 | //\r | |
1442 | // BSY clear is the only status return to the host by the device\r | |
1443 | // when reset is complete.\r | |
1444 | // slave device needs at most 31s to clear BSY\r | |
1445 | //\r | |
1446 | if (EFI_ERROR (StatusWaitForBSYClear (AtapiScsiPrivate, 31000000))) {\r | |
1447 | return EFI_TIMEOUT;\r | |
1448 | }\r | |
6a6d955c | 1449 | \r |
823f7d4f | 1450 | //\r |
1451 | // stall 5 seconds to make the device status stable\r | |
1452 | //\r | |
1453 | gBS->Stall (5000000);\r | |
1454 | \r | |
1455 | return EFI_SUCCESS;\r | |
1456 | }\r | |
1457 | \r | |
1458 | \r | |
1459 | EFI_STATUS\r | |
1460 | EFIAPI\r | |
1461 | AtapiExtScsiPassThruGetNextTarget (\r | |
1462 | IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This,\r | |
1463 | IN OUT UINT8 **Target\r | |
1464 | )\r | |
1465 | /*++\r | |
1466 | \r | |
1467 | Routine Description:\r | |
6a6d955c | 1468 | Used to retrieve the list of legal Target IDs for SCSI devices\r |
823f7d4f | 1469 | on a SCSI channel.\r |
1470 | \r | |
1471 | Arguments:\r | |
1472 | This - Protocol instance pointer.\r | |
6a6d955c | 1473 | Target - On input, a pointer to the Target ID of a SCSI\r |
1474 | device present on the SCSI channel. On output,\r | |
823f7d4f | 1475 | a pointer to the Target ID of the next SCSI device\r |
6a6d955c | 1476 | present on a SCSI channel. An input value of\r |
1477 | 0xFFFFFFFF retrieves the Target ID of the first\r | |
823f7d4f | 1478 | SCSI device present on a SCSI channel.\r |
1479 | Lun - On input, a pointer to the LUN of a SCSI device\r | |
1480 | present on the SCSI channel. On output, a pointer\r | |
6a6d955c | 1481 | to the LUN of the next SCSI device present on\r |
823f7d4f | 1482 | a SCSI channel.\r |
6a6d955c | 1483 | \r |
823f7d4f | 1484 | Returns:\r |
6a6d955c | 1485 | EFI_SUCCESS - The Target ID and Lun of the next SCSI device\r |
823f7d4f | 1486 | on the SCSI channel was returned in Target and Lun.\r |
1487 | EFI_NOT_FOUND - There are no more SCSI devices on this SCSI channel.\r | |
1488 | EFI_INVALID_PARAMETER - Target is not 0xFFFFFFFF,and Target and Lun were not\r | |
1489 | returned on a previous call to GetNextDevice().\r | |
1490 | --*/\r | |
1491 | {\r | |
1492 | UINT8 TargetId;\r | |
1493 | UINT8 ScsiId[TARGET_MAX_BYTES];\r | |
6a6d955c | 1494 | ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate;\r |
823f7d4f | 1495 | UINT8 ByteIndex;\r |
1496 | \r | |
1497 | //\r | |
1498 | // Retrieve Device Private Data Structure.\r | |
1499 | //\r | |
1500 | AtapiScsiPrivate = ATAPI_EXT_SCSI_PASS_THRU_DEV_FROM_THIS (This);\r | |
1501 | \r | |
1502 | //\r | |
1503 | // Check whether Target is valid.\r | |
1504 | //\r | |
1505 | if (*Target == NULL ) {\r | |
1506 | return EFI_INVALID_PARAMETER;\r | |
1507 | }\r | |
1508 | \r | |
1509 | TargetId = (*Target)[0];\r | |
1510 | SetMem (ScsiId, TARGET_MAX_BYTES, 0xFF);\r | |
1511 | \r | |
1512 | //\r | |
1513 | // For ATAPI device, we use UINT8 to represent the SCSI ID on channel.\r | |
1514 | //\r | |
1515 | if (CompareMem(*Target, ScsiId, TARGET_MAX_BYTES) != 0) {\r | |
1516 | for (ByteIndex = 1; ByteIndex < TARGET_MAX_BYTES; ByteIndex++) {\r | |
1517 | if ((*Target)[ByteIndex] != 0) {\r | |
1518 | return EFI_INVALID_PARAMETER;\r | |
1519 | }\r | |
1520 | }\r | |
1521 | }\r | |
1522 | \r | |
1523 | if ((CompareMem(*Target, ScsiId, TARGET_MAX_BYTES) != 0) &&(TargetId != AtapiScsiPrivate->LatestTargetId)) {\r | |
1524 | return EFI_INVALID_PARAMETER;\r | |
1525 | }\r | |
1526 | \r | |
1527 | if (TargetId == MAX_TARGET_ID) {\r | |
1528 | return EFI_NOT_FOUND;\r | |
1529 | }\r | |
1530 | \r | |
1531 | if ((CompareMem(*Target, ScsiId, TARGET_MAX_BYTES) == 0)) {\r | |
1532 | SetMem (*Target, TARGET_MAX_BYTES, 0);\r | |
1533 | } else {\r | |
1534 | (*Target)[0] = (UINT8) (AtapiScsiPrivate->LatestTargetId + 1);\r | |
1535 | }\r | |
1536 | \r | |
1537 | //\r | |
1538 | // Update the LatestTargetId.\r | |
1539 | //\r | |
1540 | AtapiScsiPrivate->LatestTargetId = (*Target)[0];\r | |
1541 | AtapiScsiPrivate->LatestLun = 0;\r | |
1542 | \r | |
1543 | return EFI_SUCCESS;\r | |
1544 | }\r | |
1545 | \r | |
1546 | EFI_STATUS\r | |
1547 | GetIdeRegistersBaseAddr (\r | |
1548 | IN EFI_PCI_IO_PROTOCOL *PciIo,\r | |
1549 | OUT IDE_REGISTERS_BASE_ADDR *IdeRegsBaseAddr\r | |
1550 | )\r | |
1551 | /*++\r | |
1552 | \r | |
1553 | Routine Description:\r | |
1554 | Get IDE IO port registers' base addresses by mode. In 'Compatibility' mode,\r | |
1555 | use fixed addresses. In Native-PCI mode, get base addresses from BARs in\r | |
1556 | the PCI IDE controller's Configuration Space.\r | |
1557 | \r | |
1558 | Arguments:\r | |
1559 | PciIo - Pointer to the EFI_PCI_IO_PROTOCOL instance\r | |
1560 | IdeRegsBaseAddr - Pointer to IDE_REGISTERS_BASE_ADDR to\r | |
1561 | receive IDE IO port registers' base addresses\r | |
1562 | \r | |
1563 | Returns:\r | |
1564 | \r | |
1565 | EFI_STATUS\r | |
1566 | \r | |
1567 | --*/\r | |
1568 | {\r | |
1569 | EFI_STATUS Status;\r | |
1570 | PCI_TYPE00 PciData;\r | |
1571 | \r | |
1572 | Status = PciIo->Pci.Read (\r | |
1573 | PciIo,\r | |
1574 | EfiPciIoWidthUint8,\r | |
1575 | 0,\r | |
1576 | sizeof (PciData),\r | |
1577 | &PciData\r | |
1578 | );\r | |
1579 | \r | |
1580 | if (EFI_ERROR (Status)) {\r | |
1581 | return Status;\r | |
1582 | }\r | |
1583 | \r | |
1584 | if ((PciData.Hdr.ClassCode[0] & IDE_PRIMARY_OPERATING_MODE) == 0) {\r | |
1585 | IdeRegsBaseAddr[IdePrimary].CommandBlockBaseAddr = 0x1f0;\r | |
1586 | IdeRegsBaseAddr[IdePrimary].ControlBlockBaseAddr = 0x3f6;\r | |
1587 | } else {\r | |
1588 | //\r | |
1589 | // The BARs should be of IO type\r | |
1590 | //\r | |
1591 | if ((PciData.Device.Bar[0] & BIT0) == 0 ||\r | |
1592 | (PciData.Device.Bar[1] & BIT0) == 0) {\r | |
1593 | return EFI_UNSUPPORTED;\r | |
1594 | }\r | |
1595 | \r | |
1596 | IdeRegsBaseAddr[IdePrimary].CommandBlockBaseAddr =\r | |
1597 | (UINT16) (PciData.Device.Bar[0] & 0x0000fff8);\r | |
1598 | IdeRegsBaseAddr[IdePrimary].ControlBlockBaseAddr =\r | |
1599 | (UINT16) ((PciData.Device.Bar[1] & 0x0000fffc) + 2);\r | |
1600 | }\r | |
1601 | \r | |
1602 | if ((PciData.Hdr.ClassCode[0] & IDE_SECONDARY_OPERATING_MODE) == 0) {\r | |
1603 | IdeRegsBaseAddr[IdeSecondary].CommandBlockBaseAddr = 0x170;\r | |
1604 | IdeRegsBaseAddr[IdeSecondary].ControlBlockBaseAddr = 0x376;\r | |
1605 | } else {\r | |
1606 | //\r | |
1607 | // The BARs should be of IO type\r | |
1608 | //\r | |
1609 | if ((PciData.Device.Bar[2] & BIT0) == 0 ||\r | |
1610 | (PciData.Device.Bar[3] & BIT0) == 0) {\r | |
1611 | return EFI_UNSUPPORTED;\r | |
1612 | }\r | |
1613 | \r | |
1614 | IdeRegsBaseAddr[IdeSecondary].CommandBlockBaseAddr =\r | |
1615 | (UINT16) (PciData.Device.Bar[2] & 0x0000fff8);\r | |
1616 | IdeRegsBaseAddr[IdeSecondary].ControlBlockBaseAddr =\r | |
1617 | (UINT16) ((PciData.Device.Bar[3] & 0x0000fffc) + 2);\r | |
1618 | }\r | |
1619 | \r | |
1620 | return EFI_SUCCESS;\r | |
1621 | }\r | |
1622 | \r | |
1623 | VOID\r | |
1624 | InitAtapiIoPortRegisters (\r | |
1625 | IN ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate,\r | |
1626 | IN IDE_REGISTERS_BASE_ADDR *IdeRegsBaseAddr\r | |
1627 | )\r | |
1628 | /*++\r | |
1629 | \r | |
1630 | Routine Description:\r | |
1631 | \r | |
1632 | Initialize each Channel's Base Address of CommandBlock and ControlBlock.\r | |
1633 | \r | |
1634 | Arguments:\r | |
1635 | \r | |
1636 | AtapiScsiPrivate - The pointer of ATAPI_SCSI_PASS_THRU_DEV\r | |
1637 | IdeRegsBaseAddr - The pointer of IDE_REGISTERS_BASE_ADDR\r | |
1638 | \r | |
1639 | Returns:\r | |
1640 | \r | |
1641 | None\r | |
1642 | \r | |
1643 | --*/\r | |
1644 | {\r | |
1645 | \r | |
1646 | UINT8 IdeChannel;\r | |
1647 | UINT16 CommandBlockBaseAddr;\r | |
1648 | UINT16 ControlBlockBaseAddr;\r | |
1649 | IDE_BASE_REGISTERS *RegisterPointer;\r | |
1650 | \r | |
1651 | \r | |
1652 | for (IdeChannel = 0; IdeChannel < ATAPI_MAX_CHANNEL; IdeChannel++) {\r | |
1653 | \r | |
1654 | RegisterPointer = &AtapiScsiPrivate->AtapiIoPortRegisters[IdeChannel];\r | |
1655 | \r | |
1656 | //\r | |
1657 | // Initialize IDE IO port addresses, including Command Block registers\r | |
1658 | // and Control Block registers\r | |
1659 | //\r | |
1660 | CommandBlockBaseAddr = IdeRegsBaseAddr[IdeChannel].CommandBlockBaseAddr;\r | |
1661 | ControlBlockBaseAddr = IdeRegsBaseAddr[IdeChannel].ControlBlockBaseAddr;\r | |
1662 | \r | |
1663 | RegisterPointer->Data = CommandBlockBaseAddr;\r | |
1664 | (*(UINT16 *) &RegisterPointer->Reg1) = (UINT16) (CommandBlockBaseAddr + 0x01);\r | |
1665 | RegisterPointer->SectorCount = (UINT16) (CommandBlockBaseAddr + 0x02);\r | |
1666 | RegisterPointer->SectorNumber = (UINT16) (CommandBlockBaseAddr + 0x03);\r | |
1667 | RegisterPointer->CylinderLsb = (UINT16) (CommandBlockBaseAddr + 0x04);\r | |
1668 | RegisterPointer->CylinderMsb = (UINT16) (CommandBlockBaseAddr + 0x05);\r | |
1669 | RegisterPointer->Head = (UINT16) (CommandBlockBaseAddr + 0x06);\r | |
1670 | (*(UINT16 *) &RegisterPointer->Reg) = (UINT16) (CommandBlockBaseAddr + 0x07);\r | |
1671 | \r | |
1672 | (*(UINT16 *) &RegisterPointer->Alt) = ControlBlockBaseAddr;\r | |
1673 | RegisterPointer->DriveAddress = (UINT16) (ControlBlockBaseAddr + 0x01);\r | |
1674 | }\r | |
1675 | \r | |
1676 | }\r | |
1677 | \r | |
1678 | \r | |
1679 | EFI_STATUS\r | |
1680 | CheckSCSIRequestPacket (\r | |
1681 | EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *Packet\r | |
1682 | )\r | |
1683 | /*++\r | |
1684 | \r | |
1685 | Routine Description:\r | |
1686 | \r | |
1687 | Checks the parameters in the SCSI Request Packet to make sure\r | |
1688 | they are valid for a SCSI Pass Thru request.\r | |
1689 | \r | |
1690 | Arguments:\r | |
1691 | \r | |
1692 | Packet - The pointer of EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET\r | |
1693 | \r | |
1694 | Returns:\r | |
1695 | \r | |
1696 | EFI_STATUS\r | |
1697 | \r | |
1698 | --*/\r | |
1699 | {\r | |
1700 | if (Packet == NULL) {\r | |
1701 | return EFI_INVALID_PARAMETER;\r | |
1702 | }\r | |
1703 | \r | |
1704 | if (!ValidCdbLength (Packet->CdbLength)) {\r | |
1705 | return EFI_INVALID_PARAMETER;\r | |
1706 | }\r | |
1707 | \r | |
1708 | if (Packet->Cdb == NULL) {\r | |
1709 | return EFI_INVALID_PARAMETER;\r | |
1710 | }\r | |
1711 | \r | |
1712 | //\r | |
1713 | // Checks whether the request command is supported.\r | |
1714 | //\r | |
1715 | if (!IsCommandValid (Packet)) {\r | |
1716 | return EFI_UNSUPPORTED;\r | |
1717 | }\r | |
1718 | \r | |
1719 | return EFI_SUCCESS;\r | |
1720 | }\r | |
1721 | \r | |
1722 | BOOLEAN\r | |
1723 | IsCommandValid (\r | |
1724 | EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *Packet\r | |
1725 | )\r | |
1726 | /*++\r | |
6a6d955c | 1727 | \r |
823f7d4f | 1728 | Routine Description:\r |
1729 | \r | |
6a6d955c | 1730 | Checks the requested SCSI command:\r |
823f7d4f | 1731 | Is it supported by this driver?\r |
1732 | Is the Data transfer direction reasonable?\r | |
1733 | \r | |
1734 | Arguments:\r | |
1735 | \r | |
6a6d955c | 1736 | Packet - The pointer of EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET\r |
823f7d4f | 1737 | \r |
1738 | Returns:\r | |
1739 | \r | |
1740 | EFI_STATUS\r | |
1741 | \r | |
1742 | --*/\r | |
1743 | {\r | |
1744 | UINT8 Index;\r | |
1745 | UINT8 *OpCode;\r | |
80448f6c | 1746 | UINT8 ArrayLen;\r |
823f7d4f | 1747 | \r |
1748 | OpCode = (UINT8 *) (Packet->Cdb);\r | |
10da3a15 | 1749 | ArrayLen = (UINT8) (ARRAY_SIZE (gSupportedATAPICommands));\r |
823f7d4f | 1750 | \r |
80448f6c | 1751 | for (Index = 0; (Index < ArrayLen) && (CompareMem (&gSupportedATAPICommands[Index], &gEndTable, sizeof (SCSI_COMMAND_SET)) != 0); Index++) {\r |
823f7d4f | 1752 | \r |
1753 | if (*OpCode == gSupportedATAPICommands[Index].OpCode) {\r | |
1754 | //\r | |
1755 | // Check whether the requested Command is supported by this driver\r | |
1756 | //\r | |
1757 | if (Packet->DataDirection == DataIn) {\r | |
1758 | //\r | |
1759 | // Check whether the requested data direction conforms to\r | |
1760 | // what it should be.\r | |
1761 | //\r | |
1762 | if (gSupportedATAPICommands[Index].Direction == DataOut) {\r | |
1763 | return FALSE;\r | |
1764 | }\r | |
1765 | }\r | |
1766 | \r | |
1767 | if (Packet->DataDirection == DataOut) {\r | |
1768 | //\r | |
1769 | // Check whether the requested data direction conforms to\r | |
1770 | // what it should be.\r | |
1771 | //\r | |
1772 | if (gSupportedATAPICommands[Index].Direction == DataIn) {\r | |
1773 | return FALSE;\r | |
1774 | }\r | |
1775 | }\r | |
1776 | \r | |
1777 | return TRUE;\r | |
1778 | }\r | |
1779 | }\r | |
1780 | \r | |
1781 | return FALSE;\r | |
1782 | }\r | |
1783 | \r | |
1784 | EFI_STATUS\r | |
1785 | SubmitBlockingIoCommand (\r | |
1786 | ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate,\r | |
1787 | UINT32 Target,\r | |
1788 | EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *Packet\r | |
1789 | )\r | |
1790 | /*++\r | |
1791 | \r | |
1792 | Routine Description:\r | |
1793 | \r | |
1794 | Performs blocking I/O request.\r | |
6a6d955c | 1795 | \r |
823f7d4f | 1796 | Arguments:\r |
1797 | \r | |
1798 | AtapiScsiPrivate: Private data structure for the specified channel.\r | |
6a6d955c | 1799 | Target: The Target ID of the ATAPI device to send the SCSI\r |
823f7d4f | 1800 | Request Packet. To ATAPI devices attached on an IDE\r |
1801 | Channel, Target ID 0 indicates Master device;Target\r | |
1802 | ID 1 indicates Slave device.\r | |
6a6d955c | 1803 | Packet: The SCSI Request Packet to send to the ATAPI device\r |
823f7d4f | 1804 | specified by Target.\r |
6a6d955c | 1805 | \r |
1806 | Returns: EFI_STATUS\r | |
1807 | \r | |
823f7d4f | 1808 | --*/\r |
1809 | {\r | |
1810 | UINT8 PacketCommand[12];\r | |
1811 | UINT64 TimeoutInMicroSeconds;\r | |
1812 | EFI_STATUS PacketCommandStatus;\r | |
1813 | \r | |
1814 | //\r | |
1815 | // Fill ATAPI Command Packet according to CDB\r | |
1816 | //\r | |
1817 | ZeroMem (&PacketCommand, 12);\r | |
1818 | CopyMem (&PacketCommand, Packet->Cdb, Packet->CdbLength);\r | |
1819 | \r | |
1820 | //\r | |
1821 | // Timeout is 100ns unit, convert it to 1000ns (1us) unit.\r | |
1822 | //\r | |
1823 | TimeoutInMicroSeconds = DivU64x32 (Packet->Timeout, (UINT32) 10);\r | |
1824 | \r | |
1825 | //\r | |
1826 | // Submit ATAPI Command Packet\r | |
1827 | //\r | |
1828 | PacketCommandStatus = AtapiPacketCommand (\r | |
1829 | AtapiScsiPrivate,\r | |
1830 | Target,\r | |
1831 | PacketCommand,\r | |
1832 | Packet->DataBuffer,\r | |
1833 | &(Packet->TransferLength),\r | |
1834 | (DATA_DIRECTION) Packet->DataDirection,\r | |
1835 | TimeoutInMicroSeconds\r | |
1836 | );\r | |
1837 | if (!EFI_ERROR (PacketCommandStatus) || (Packet->SenseData == NULL)) {\r | |
1838 | Packet->SenseDataLength = 0;\r | |
1839 | return PacketCommandStatus;\r | |
1840 | }\r | |
1841 | \r | |
1842 | //\r | |
1843 | // Return SenseData if PacketCommandStatus matches\r | |
1844 | // the following return codes.\r | |
1845 | //\r | |
1846 | if ((PacketCommandStatus == EFI_BAD_BUFFER_SIZE) ||\r | |
1847 | (PacketCommandStatus == EFI_DEVICE_ERROR) ||\r | |
1848 | (PacketCommandStatus == EFI_TIMEOUT)) {\r | |
1849 | \r | |
1850 | //\r | |
1851 | // avoid submit request sense command continuously.\r | |
1852 | //\r | |
1853 | if (PacketCommand[0] == OP_REQUEST_SENSE) {\r | |
1854 | Packet->SenseDataLength = 0;\r | |
1855 | return PacketCommandStatus;\r | |
1856 | }\r | |
1857 | \r | |
1858 | RequestSenseCommand (\r | |
1859 | AtapiScsiPrivate,\r | |
1860 | Target,\r | |
1861 | Packet->Timeout,\r | |
1862 | Packet->SenseData,\r | |
1863 | &Packet->SenseDataLength\r | |
1864 | );\r | |
1865 | }\r | |
1866 | \r | |
1867 | return PacketCommandStatus;\r | |
1868 | }\r | |
1869 | \r | |
1870 | EFI_STATUS\r | |
1871 | RequestSenseCommand (\r | |
1872 | ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate,\r | |
1873 | UINT32 Target,\r | |
1874 | UINT64 Timeout,\r | |
1875 | VOID *SenseData,\r | |
1876 | UINT8 *SenseDataLength\r | |
1877 | )\r | |
1878 | /*++\r | |
1879 | \r | |
1880 | Routine Description:\r | |
1881 | \r | |
be900781 | 1882 | Submit request sense command\r |
823f7d4f | 1883 | \r |
1884 | Arguments:\r | |
1885 | \r | |
be900781 | 1886 | AtapiScsiPrivate - The pointer of ATAPI_SCSI_PASS_THRU_DEV\r |
823f7d4f | 1887 | Target - The target ID\r |
1888 | Timeout - The time to complete the command\r | |
1889 | SenseData - The buffer to fill in sense data\r | |
1890 | SenseDataLength - The length of buffer\r | |
1891 | \r | |
1892 | Returns:\r | |
1893 | \r | |
1894 | EFI_STATUS\r | |
6a6d955c | 1895 | \r |
823f7d4f | 1896 | --*/\r |
1897 | {\r | |
1898 | EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET Packet;\r | |
1899 | UINT8 Cdb[12];\r | |
1900 | EFI_STATUS Status;\r | |
1901 | \r | |
1902 | ZeroMem (&Packet, sizeof (EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET));\r | |
1903 | ZeroMem (Cdb, 12);\r | |
1904 | \r | |
1905 | Cdb[0] = OP_REQUEST_SENSE;\r | |
1906 | Cdb[4] = (UINT8) (*SenseDataLength);\r | |
1907 | \r | |
1908 | Packet.Timeout = Timeout;\r | |
1909 | Packet.DataBuffer = SenseData;\r | |
1910 | Packet.SenseData = NULL;\r | |
1911 | Packet.Cdb = Cdb;\r | |
1912 | Packet.TransferLength = *SenseDataLength;\r | |
1913 | Packet.CdbLength = 12;\r | |
1914 | Packet.DataDirection = DataIn;\r | |
1915 | \r | |
1916 | Status = SubmitBlockingIoCommand (AtapiScsiPrivate, Target, &Packet);\r | |
1917 | *SenseDataLength = (UINT8) (Packet.TransferLength);\r | |
1918 | return Status;\r | |
1919 | }\r | |
1920 | \r | |
1921 | EFI_STATUS\r | |
1922 | CheckExtSCSIRequestPacket (\r | |
1923 | EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *Packet\r | |
1924 | )\r | |
1925 | /*++\r | |
1926 | \r | |
1927 | Routine Description:\r | |
1928 | \r | |
1929 | Checks the parameters in the SCSI Request Packet to make sure\r | |
1930 | they are valid for a SCSI Pass Thru request.\r | |
1931 | \r | |
1932 | Arguments:\r | |
1933 | \r | |
1934 | Packet - The pointer of EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET\r | |
6a6d955c | 1935 | \r |
823f7d4f | 1936 | Returns:\r |
6a6d955c | 1937 | \r |
823f7d4f | 1938 | EFI_STATUS\r |
1939 | \r | |
1940 | --*/\r | |
1941 | {\r | |
1942 | if (Packet == NULL) {\r | |
1943 | return EFI_INVALID_PARAMETER;\r | |
1944 | }\r | |
1945 | \r | |
1946 | if (!ValidCdbLength (Packet->CdbLength)) {\r | |
1947 | return EFI_INVALID_PARAMETER;\r | |
1948 | }\r | |
1949 | \r | |
1950 | if (Packet->Cdb == NULL) {\r | |
1951 | return EFI_INVALID_PARAMETER;\r | |
1952 | }\r | |
6a6d955c | 1953 | \r |
823f7d4f | 1954 | //\r |
1955 | // Checks whether the request command is supported.\r | |
1956 | //\r | |
1957 | if (!IsExtCommandValid (Packet)) {\r | |
1958 | return EFI_UNSUPPORTED;\r | |
1959 | }\r | |
1960 | \r | |
1961 | return EFI_SUCCESS;\r | |
1962 | }\r | |
1963 | \r | |
1964 | \r | |
1965 | BOOLEAN\r | |
1966 | IsExtCommandValid (\r | |
1967 | EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *Packet\r | |
1968 | )\r | |
1969 | /*++\r | |
6a6d955c | 1970 | \r |
823f7d4f | 1971 | Routine Description:\r |
1972 | \r | |
6a6d955c | 1973 | Checks the requested SCSI command:\r |
823f7d4f | 1974 | Is it supported by this driver?\r |
1975 | Is the Data transfer direction reasonable?\r | |
1976 | \r | |
1977 | Arguments:\r | |
1978 | \r | |
6a6d955c | 1979 | Packet - The pointer of EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET\r |
823f7d4f | 1980 | \r |
1981 | Returns:\r | |
1982 | \r | |
1983 | EFI_STATUS\r | |
1984 | \r | |
1985 | --*/\r | |
1986 | {\r | |
1987 | UINT8 Index;\r | |
1988 | UINT8 *OpCode;\r | |
80448f6c | 1989 | UINT8 ArrayLen;\r |
823f7d4f | 1990 | \r |
1991 | OpCode = (UINT8 *) (Packet->Cdb);\r | |
10da3a15 | 1992 | ArrayLen = (UINT8) (ARRAY_SIZE (gSupportedATAPICommands));\r |
823f7d4f | 1993 | \r |
80448f6c | 1994 | for (Index = 0; (Index < ArrayLen) && (CompareMem (&gSupportedATAPICommands[Index], &gEndTable, sizeof (SCSI_COMMAND_SET)) != 0); Index++) {\r |
823f7d4f | 1995 | \r |
1996 | if (*OpCode == gSupportedATAPICommands[Index].OpCode) {\r | |
1997 | //\r | |
1998 | // Check whether the requested Command is supported by this driver\r | |
1999 | //\r | |
2000 | if (Packet->DataDirection == DataIn) {\r | |
2001 | //\r | |
2002 | // Check whether the requested data direction conforms to\r | |
2003 | // what it should be.\r | |
2004 | //\r | |
2005 | if (gSupportedATAPICommands[Index].Direction == DataOut) {\r | |
2006 | return FALSE;\r | |
2007 | }\r | |
2008 | }\r | |
2009 | \r | |
2010 | if (Packet->DataDirection == DataOut) {\r | |
2011 | //\r | |
2012 | // Check whether the requested data direction conforms to\r | |
2013 | // what it should be.\r | |
2014 | //\r | |
2015 | if (gSupportedATAPICommands[Index].Direction == DataIn) {\r | |
2016 | return FALSE;\r | |
2017 | }\r | |
2018 | }\r | |
2019 | \r | |
2020 | return TRUE;\r | |
2021 | }\r | |
2022 | }\r | |
2023 | \r | |
2024 | return FALSE;\r | |
2025 | }\r | |
2026 | \r | |
2027 | EFI_STATUS\r | |
2028 | SubmitExtBlockingIoCommand (\r | |
2029 | ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate,\r | |
2030 | UINT8 Target,\r | |
2031 | EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *Packet\r | |
2032 | )\r | |
2033 | /*++\r | |
2034 | \r | |
2035 | Routine Description:\r | |
2036 | \r | |
2037 | Performs blocking I/O request.\r | |
6a6d955c | 2038 | \r |
823f7d4f | 2039 | Arguments:\r |
2040 | \r | |
2041 | AtapiScsiPrivate: Private data structure for the specified channel.\r | |
6a6d955c | 2042 | Target: The Target ID of the ATAPI device to send the SCSI\r |
823f7d4f | 2043 | Request Packet. To ATAPI devices attached on an IDE\r |
2044 | Channel, Target ID 0 indicates Master device;Target\r | |
2045 | ID 1 indicates Slave device.\r | |
6a6d955c | 2046 | Packet: The SCSI Request Packet to send to the ATAPI device\r |
823f7d4f | 2047 | specified by Target.\r |
6a6d955c | 2048 | \r |
2049 | Returns: EFI_STATUS\r | |
2050 | \r | |
823f7d4f | 2051 | --*/\r |
2052 | {\r | |
2053 | UINT8 PacketCommand[12];\r | |
2054 | UINT64 TimeoutInMicroSeconds;\r | |
2055 | EFI_STATUS PacketCommandStatus;\r | |
2056 | \r | |
2057 | //\r | |
2058 | // Fill ATAPI Command Packet according to CDB\r | |
2059 | //\r | |
2060 | ZeroMem (&PacketCommand, 12);\r | |
2061 | CopyMem (&PacketCommand, Packet->Cdb, Packet->CdbLength);\r | |
2062 | \r | |
2063 | //\r | |
2064 | // Timeout is 100ns unit, convert it to 1000ns (1us) unit.\r | |
2065 | //\r | |
2066 | TimeoutInMicroSeconds = DivU64x32 (Packet->Timeout, (UINT32) 10);\r | |
2067 | \r | |
2068 | //\r | |
2069 | // Submit ATAPI Command Packet\r | |
2070 | //\r | |
2071 | if (Packet->DataDirection == DataIn) {\r | |
2072 | PacketCommandStatus = AtapiPacketCommand (\r | |
2073 | AtapiScsiPrivate,\r | |
2074 | Target,\r | |
2075 | PacketCommand,\r | |
2076 | Packet->InDataBuffer,\r | |
2077 | &(Packet->InTransferLength),\r | |
2078 | DataIn,\r | |
2079 | TimeoutInMicroSeconds\r | |
2080 | );\r | |
2081 | } else {\r | |
2082 | \r | |
2083 | PacketCommandStatus = AtapiPacketCommand (\r | |
2084 | AtapiScsiPrivate,\r | |
2085 | Target,\r | |
2086 | PacketCommand,\r | |
2087 | Packet->OutDataBuffer,\r | |
2088 | &(Packet->OutTransferLength),\r | |
2089 | DataOut,\r | |
2090 | TimeoutInMicroSeconds\r | |
2091 | );\r | |
2092 | }\r | |
6a6d955c | 2093 | \r |
823f7d4f | 2094 | if (!EFI_ERROR (PacketCommandStatus) || (Packet->SenseData == NULL)) {\r |
2095 | Packet->SenseDataLength = 0;\r | |
2096 | return PacketCommandStatus;\r | |
2097 | }\r | |
6a6d955c | 2098 | \r |
823f7d4f | 2099 | //\r |
2100 | // Return SenseData if PacketCommandStatus matches\r | |
2101 | // the following return codes.\r | |
2102 | //\r | |
2103 | if ((PacketCommandStatus == EFI_BAD_BUFFER_SIZE) ||\r | |
2104 | (PacketCommandStatus == EFI_DEVICE_ERROR) ||\r | |
2105 | (PacketCommandStatus == EFI_TIMEOUT)) {\r | |
2106 | \r | |
2107 | //\r | |
2108 | // avoid submit request sense command continuously.\r | |
2109 | //\r | |
2110 | if (PacketCommand[0] == OP_REQUEST_SENSE) {\r | |
2111 | Packet->SenseDataLength = 0;\r | |
2112 | return PacketCommandStatus;\r | |
2113 | }\r | |
2114 | \r | |
2115 | RequestSenseCommand (\r | |
2116 | AtapiScsiPrivate,\r | |
2117 | Target,\r | |
2118 | Packet->Timeout,\r | |
2119 | Packet->SenseData,\r | |
2120 | &Packet->SenseDataLength\r | |
2121 | );\r | |
2122 | }\r | |
2123 | \r | |
2124 | return PacketCommandStatus;\r | |
2125 | }\r | |
2126 | \r | |
2127 | \r | |
2128 | EFI_STATUS\r | |
2129 | AtapiPacketCommand (\r | |
2130 | ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate,\r | |
2131 | UINT32 Target,\r | |
2132 | UINT8 *PacketCommand,\r | |
2133 | VOID *Buffer,\r | |
2134 | UINT32 *ByteCount,\r | |
2135 | DATA_DIRECTION Direction,\r | |
2136 | UINT64 TimeoutInMicroSeconds\r | |
2137 | )\r | |
2138 | /*++\r | |
2139 | \r | |
2140 | Routine Description:\r | |
2141 | \r | |
2142 | Submits ATAPI command packet to the specified ATAPI device.\r | |
6a6d955c | 2143 | \r |
823f7d4f | 2144 | Arguments:\r |
2145 | \r | |
2146 | AtapiScsiPrivate: Private data structure for the specified channel.\r | |
6a6d955c | 2147 | Target: The Target ID of the ATAPI device to send the SCSI\r |
823f7d4f | 2148 | Request Packet. To ATAPI devices attached on an IDE\r |
2149 | Channel, Target ID 0 indicates Master device;Target\r | |
2150 | ID 1 indicates Slave device.\r | |
2151 | PacketCommand: Points to the ATAPI command packet.\r | |
2152 | Buffer: Points to the transferred data.\r | |
2153 | ByteCount: When input,indicates the buffer size; when output,\r | |
2154 | indicates the actually transferred data size.\r | |
6a6d955c | 2155 | Direction: Indicates the data transfer direction.\r |
823f7d4f | 2156 | TimeoutInMicroSeconds:\r |
6a6d955c | 2157 | The timeout, in micro second units, to use for the\r |
823f7d4f | 2158 | execution of this ATAPI command.\r |
6a6d955c | 2159 | A TimeoutInMicroSeconds value of 0 means that\r |
2160 | this function will wait indefinitely for the ATAPI\r | |
823f7d4f | 2161 | command to execute.\r |
6a6d955c | 2162 | If TimeoutInMicroSeconds is greater than zero, then\r |
2163 | this function will return EFI_TIMEOUT if the time\r | |
2164 | required to execute the ATAPI command is greater\r | |
823f7d4f | 2165 | than TimeoutInMicroSeconds.\r |
6a6d955c | 2166 | \r |
823f7d4f | 2167 | Returns:\r |
2168 | \r | |
2169 | EFI_STATUS\r | |
6a6d955c | 2170 | \r |
823f7d4f | 2171 | --*/\r |
2172 | {\r | |
2173 | \r | |
2174 | UINT16 *CommandIndex;\r | |
2175 | UINT8 Count;\r | |
2176 | EFI_STATUS Status;\r | |
2177 | \r | |
2178 | //\r | |
2179 | // Set all the command parameters by fill related registers.\r | |
2180 | // Before write to all the following registers, BSY must be 0.\r | |
2181 | //\r | |
2182 | Status = StatusWaitForBSYClear (AtapiScsiPrivate, TimeoutInMicroSeconds);\r | |
2183 | if (EFI_ERROR (Status)) {\r | |
2184 | return EFI_DEVICE_ERROR;\r | |
2185 | }\r | |
2186 | \r | |
2187 | \r | |
2188 | //\r | |
2189 | // Select device via Device/Head Register.\r | |
2190 | // "Target = 0" indicates device 0; "Target = 1" indicates device 1\r | |
2191 | //\r | |
2192 | WritePortB (\r | |
2193 | AtapiScsiPrivate->PciIo,\r | |
2194 | AtapiScsiPrivate->IoPort->Head,\r | |
2195 | (UINT8) ((Target << 4) | DEFAULT_CMD) // DEFAULT_CMD: 0xa0 (1010,0000)\r | |
2196 | );\r | |
2197 | \r | |
2198 | //\r | |
2199 | // Set all the command parameters by fill related registers.\r | |
2200 | // Before write to all the following registers, BSY DRQ must be 0.\r | |
2201 | //\r | |
2202 | Status = StatusDRQClear(AtapiScsiPrivate, TimeoutInMicroSeconds);\r | |
2203 | \r | |
2204 | if (EFI_ERROR (Status)) {\r | |
2205 | if (Status == EFI_ABORTED) {\r | |
2206 | Status = EFI_DEVICE_ERROR;\r | |
2207 | }\r | |
2208 | *ByteCount = 0;\r | |
2209 | return Status;\r | |
2210 | }\r | |
2211 | \r | |
2212 | //\r | |
2213 | // No OVL; No DMA (by setting feature register)\r | |
2214 | //\r | |
2215 | WritePortB (\r | |
2216 | AtapiScsiPrivate->PciIo,\r | |
2217 | AtapiScsiPrivate->IoPort->Reg1.Feature,\r | |
2218 | 0x00\r | |
2219 | );\r | |
2220 | \r | |
2221 | //\r | |
2222 | // set the transfersize to MAX_ATAPI_BYTE_COUNT to let the device\r | |
2223 | // determine how much data should be transfered.\r | |
2224 | //\r | |
2225 | WritePortB (\r | |
2226 | AtapiScsiPrivate->PciIo,\r | |
2227 | AtapiScsiPrivate->IoPort->CylinderLsb,\r | |
2228 | (UINT8) (MAX_ATAPI_BYTE_COUNT & 0x00ff)\r | |
2229 | );\r | |
2230 | WritePortB (\r | |
2231 | AtapiScsiPrivate->PciIo,\r | |
2232 | AtapiScsiPrivate->IoPort->CylinderMsb,\r | |
2233 | (UINT8) (MAX_ATAPI_BYTE_COUNT >> 8)\r | |
2234 | );\r | |
2235 | \r | |
2236 | //\r | |
2237 | // DEFAULT_CTL:0x0a (0000,1010)\r | |
2238 | // Disable interrupt\r | |
2239 | //\r | |
2240 | WritePortB (\r | |
2241 | AtapiScsiPrivate->PciIo,\r | |
2242 | AtapiScsiPrivate->IoPort->Alt.DeviceControl,\r | |
2243 | DEFAULT_CTL\r | |
2244 | );\r | |
2245 | \r | |
2246 | //\r | |
2247 | // Send Packet command to inform device\r | |
2248 | // that the following data bytes are command packet.\r | |
2249 | //\r | |
2250 | WritePortB (\r | |
2251 | AtapiScsiPrivate->PciIo,\r | |
2252 | AtapiScsiPrivate->IoPort->Reg.Command,\r | |
2253 | PACKET_CMD\r | |
2254 | );\r | |
2255 | \r | |
2256 | //\r | |
2257 | // Before data transfer, BSY should be 0 and DRQ should be 1.\r | |
2258 | // if they are not in specified time frame,\r | |
2259 | // retrieve Sense Key from Error Register before return.\r | |
2260 | //\r | |
2261 | Status = StatusDRQReady (AtapiScsiPrivate, TimeoutInMicroSeconds);\r | |
2262 | if (EFI_ERROR (Status)) {\r | |
2263 | if (Status == EFI_ABORTED) {\r | |
2264 | Status = EFI_DEVICE_ERROR;\r | |
2265 | }\r | |
2266 | \r | |
2267 | *ByteCount = 0;\r | |
2268 | return Status;\r | |
2269 | }\r | |
2270 | \r | |
2271 | //\r | |
2272 | // Send out command packet\r | |
2273 | //\r | |
2274 | CommandIndex = (UINT16 *) PacketCommand;\r | |
2275 | for (Count = 0; Count < 6; Count++, CommandIndex++) {\r | |
2276 | WritePortW (AtapiScsiPrivate->PciIo, AtapiScsiPrivate->IoPort->Data, *CommandIndex);\r | |
2277 | }\r | |
2278 | \r | |
2279 | //\r | |
2280 | // call AtapiPassThruPioReadWriteData() function to get\r | |
2281 | // requested transfer data form device.\r | |
2282 | //\r | |
2283 | return AtapiPassThruPioReadWriteData (\r | |
2284 | AtapiScsiPrivate,\r | |
2285 | Buffer,\r | |
2286 | ByteCount,\r | |
2287 | Direction,\r | |
2288 | TimeoutInMicroSeconds\r | |
2289 | );\r | |
2290 | }\r | |
2291 | \r | |
2292 | EFI_STATUS\r | |
2293 | AtapiPassThruPioReadWriteData (\r | |
2294 | ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate,\r | |
2295 | UINT16 *Buffer,\r | |
2296 | UINT32 *ByteCount,\r | |
2297 | DATA_DIRECTION Direction,\r | |
2298 | UINT64 TimeoutInMicroSeconds\r | |
2299 | )\r | |
2300 | /*++\r | |
2301 | \r | |
2302 | Routine Description:\r | |
2303 | \r | |
2304 | Performs data transfer between ATAPI device and host after the\r | |
2305 | ATAPI command packet is sent.\r | |
6a6d955c | 2306 | \r |
823f7d4f | 2307 | Arguments:\r |
2308 | \r | |
6a6d955c | 2309 | AtapiScsiPrivate: Private data structure for the specified channel.\r |
823f7d4f | 2310 | Buffer: Points to the transferred data.\r |
2311 | ByteCount: When input,indicates the buffer size; when output,\r | |
2312 | indicates the actually transferred data size.\r | |
6a6d955c | 2313 | Direction: Indicates the data transfer direction.\r |
823f7d4f | 2314 | TimeoutInMicroSeconds:\r |
6a6d955c | 2315 | The timeout, in micro second units, to use for the\r |
823f7d4f | 2316 | execution of this ATAPI command.\r |
6a6d955c | 2317 | A TimeoutInMicroSeconds value of 0 means that\r |
2318 | this function will wait indefinitely for the ATAPI\r | |
823f7d4f | 2319 | command to execute.\r |
6a6d955c | 2320 | If TimeoutInMicroSeconds is greater than zero, then\r |
2321 | this function will return EFI_TIMEOUT if the time\r | |
2322 | required to execute the ATAPI command is greater\r | |
823f7d4f | 2323 | than TimeoutInMicroSeconds.\r |
2324 | Returns:\r | |
2325 | \r | |
2326 | EFI_STATUS\r | |
6a6d955c | 2327 | \r |
823f7d4f | 2328 | --*/\r |
2329 | {\r | |
2330 | UINT32 Index;\r | |
2331 | UINT32 RequiredWordCount;\r | |
2332 | UINT32 ActualWordCount;\r | |
2333 | UINT32 WordCount;\r | |
2334 | EFI_STATUS Status;\r | |
2335 | UINT16 *ptrBuffer;\r | |
2336 | \r | |
2337 | Status = EFI_SUCCESS;\r | |
2338 | \r | |
2339 | //\r | |
2340 | // Non Data transfer request is also supported.\r | |
2341 | //\r | |
2342 | if (*ByteCount == 0 || Buffer == NULL) {\r | |
2343 | *ByteCount = 0;\r | |
2344 | if (EFI_ERROR (StatusWaitForBSYClear (AtapiScsiPrivate, TimeoutInMicroSeconds))) {\r | |
2345 | return EFI_DEVICE_ERROR;\r | |
2346 | }\r | |
2347 | }\r | |
2348 | \r | |
2349 | ptrBuffer = Buffer;\r | |
2350 | RequiredWordCount = *ByteCount / 2;\r | |
2351 | \r | |
2352 | //\r | |
2353 | // ActuralWordCount means the word count of data really transfered.\r | |
2354 | //\r | |
2355 | ActualWordCount = 0;\r | |
2356 | \r | |
2357 | while (ActualWordCount < RequiredWordCount) {\r | |
2358 | //\r | |
2359 | // before each data transfer stream, the host should poll DRQ bit ready,\r | |
2360 | // which indicates device's ready for data transfer .\r | |
2361 | //\r | |
2362 | Status = StatusDRQReady (AtapiScsiPrivate, TimeoutInMicroSeconds);\r | |
2363 | if (EFI_ERROR (Status)) {\r | |
2364 | *ByteCount = ActualWordCount * 2;\r | |
2365 | \r | |
2366 | AtapiPassThruCheckErrorStatus (AtapiScsiPrivate);\r | |
2367 | \r | |
2368 | if (ActualWordCount == 0) {\r | |
2369 | return EFI_DEVICE_ERROR;\r | |
2370 | }\r | |
2371 | //\r | |
2372 | // ActualWordCount > 0\r | |
2373 | //\r | |
2374 | if (ActualWordCount < RequiredWordCount) {\r | |
2375 | return EFI_BAD_BUFFER_SIZE;\r | |
2376 | }\r | |
2377 | }\r | |
2378 | //\r | |
2379 | // get current data transfer size from Cylinder Registers.\r | |
2380 | //\r | |
2381 | WordCount = ReadPortB (AtapiScsiPrivate->PciIo, AtapiScsiPrivate->IoPort->CylinderMsb) << 8;\r | |
2382 | WordCount = WordCount | ReadPortB (AtapiScsiPrivate->PciIo, AtapiScsiPrivate->IoPort->CylinderLsb);\r | |
2383 | WordCount = WordCount & 0xffff;\r | |
2384 | WordCount /= 2;\r | |
2385 | \r | |
2386 | //\r | |
2387 | // perform a series data In/Out.\r | |
2388 | //\r | |
2389 | for (Index = 0; (Index < WordCount) && (ActualWordCount < RequiredWordCount); Index++, ActualWordCount++) {\r | |
2390 | \r | |
2391 | if (Direction == DataIn) {\r | |
2392 | \r | |
2393 | *ptrBuffer = ReadPortW (AtapiScsiPrivate->PciIo, AtapiScsiPrivate->IoPort->Data);\r | |
2394 | } else {\r | |
2395 | \r | |
2396 | WritePortW (AtapiScsiPrivate->PciIo, AtapiScsiPrivate->IoPort->Data, *ptrBuffer);\r | |
2397 | }\r | |
2398 | \r | |
2399 | ptrBuffer++;\r | |
2400 | \r | |
2401 | }\r | |
2402 | }\r | |
2403 | //\r | |
2404 | // After data transfer is completed, normally, DRQ bit should clear.\r | |
2405 | //\r | |
2406 | StatusDRQClear (AtapiScsiPrivate, TimeoutInMicroSeconds);\r | |
2407 | \r | |
2408 | //\r | |
2409 | // read status register to check whether error happens.\r | |
2410 | //\r | |
2411 | Status = AtapiPassThruCheckErrorStatus (AtapiScsiPrivate);\r | |
2412 | \r | |
2413 | *ByteCount = ActualWordCount * 2;\r | |
2414 | \r | |
2415 | return Status;\r | |
2416 | }\r | |
2417 | \r | |
2418 | \r | |
2419 | UINT8\r | |
2420 | ReadPortB (\r | |
2421 | IN EFI_PCI_IO_PROTOCOL *PciIo,\r | |
2422 | IN UINT16 Port\r | |
2423 | )\r | |
2424 | /*++\r | |
2425 | \r | |
2426 | Routine Description:\r | |
2427 | \r | |
2428 | Read one byte from a specified I/O port.\r | |
2429 | \r | |
2430 | Arguments:\r | |
2431 | \r | |
2432 | PciIo - The pointer of EFI_PCI_IO_PROTOCOL\r | |
2433 | Port - IO port\r | |
6a6d955c | 2434 | \r |
823f7d4f | 2435 | Returns:\r |
2436 | \r | |
2437 | A byte read out\r | |
2438 | \r | |
2439 | --*/\r | |
2440 | {\r | |
2441 | UINT8 Data;\r | |
2442 | \r | |
2443 | Data = 0;\r | |
2444 | PciIo->Io.Read (\r | |
2445 | PciIo,\r | |
2446 | EfiPciIoWidthUint8,\r | |
2447 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
2448 | (UINT64) Port,\r | |
2449 | 1,\r | |
2450 | &Data\r | |
2451 | );\r | |
2452 | return Data;\r | |
2453 | }\r | |
2454 | \r | |
2455 | \r | |
2456 | UINT16\r | |
2457 | ReadPortW (\r | |
2458 | IN EFI_PCI_IO_PROTOCOL *PciIo,\r | |
2459 | IN UINT16 Port\r | |
2460 | )\r | |
2461 | /*++\r | |
2462 | \r | |
2463 | Routine Description:\r | |
2464 | \r | |
2465 | Read one word from a specified I/O port.\r | |
2466 | \r | |
2467 | Arguments:\r | |
2468 | \r | |
2469 | PciIo - The pointer of EFI_PCI_IO_PROTOCOL\r | |
2470 | Port - IO port\r | |
6a6d955c | 2471 | \r |
823f7d4f | 2472 | Returns:\r |
2473 | \r | |
2474 | A word read out\r | |
2475 | --*/\r | |
2476 | {\r | |
2477 | UINT16 Data;\r | |
2478 | \r | |
2479 | Data = 0;\r | |
2480 | PciIo->Io.Read (\r | |
2481 | PciIo,\r | |
2482 | EfiPciIoWidthUint16,\r | |
2483 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
2484 | (UINT64) Port,\r | |
2485 | 1,\r | |
2486 | &Data\r | |
2487 | );\r | |
2488 | return Data;\r | |
2489 | }\r | |
2490 | \r | |
2491 | \r | |
2492 | VOID\r | |
2493 | WritePortB (\r | |
2494 | IN EFI_PCI_IO_PROTOCOL *PciIo,\r | |
2495 | IN UINT16 Port,\r | |
2496 | IN UINT8 Data\r | |
2497 | )\r | |
2498 | /*++\r | |
2499 | \r | |
2500 | Routine Description:\r | |
2501 | \r | |
2502 | Write one byte to a specified I/O port.\r | |
2503 | \r | |
2504 | Arguments:\r | |
2505 | \r | |
2506 | PciIo - The pointer of EFI_PCI_IO_PROTOCOL\r | |
2507 | Port - IO port\r | |
2508 | Data - The data to write\r | |
6a6d955c | 2509 | \r |
823f7d4f | 2510 | Returns:\r |
2511 | \r | |
2512 | NONE\r | |
2513 | \r | |
2514 | --*/\r | |
2515 | {\r | |
2516 | PciIo->Io.Write (\r | |
2517 | PciIo,\r | |
2518 | EfiPciIoWidthUint8,\r | |
2519 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
2520 | (UINT64) Port,\r | |
2521 | 1,\r | |
2522 | &Data\r | |
2523 | );\r | |
2524 | }\r | |
2525 | \r | |
2526 | \r | |
2527 | VOID\r | |
2528 | WritePortW (\r | |
2529 | IN EFI_PCI_IO_PROTOCOL *PciIo,\r | |
2530 | IN UINT16 Port,\r | |
2531 | IN UINT16 Data\r | |
2532 | )\r | |
2533 | /*++\r | |
2534 | \r | |
2535 | Routine Description:\r | |
2536 | \r | |
2537 | Write one word to a specified I/O port.\r | |
2538 | \r | |
2539 | Arguments:\r | |
2540 | \r | |
2541 | PciIo - The pointer of EFI_PCI_IO_PROTOCOL\r | |
2542 | Port - IO port\r | |
2543 | Data - The data to write\r | |
6a6d955c | 2544 | \r |
823f7d4f | 2545 | Returns:\r |
2546 | \r | |
2547 | NONE\r | |
6a6d955c | 2548 | \r |
823f7d4f | 2549 | --*/\r |
2550 | {\r | |
2551 | PciIo->Io.Write (\r | |
2552 | PciIo,\r | |
2553 | EfiPciIoWidthUint16,\r | |
2554 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
2555 | (UINT64) Port,\r | |
2556 | 1,\r | |
2557 | &Data\r | |
2558 | );\r | |
2559 | }\r | |
2560 | \r | |
2561 | EFI_STATUS\r | |
2562 | StatusDRQClear (\r | |
2563 | ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate,\r | |
2564 | UINT64 TimeoutInMicroSeconds\r | |
2565 | )\r | |
2566 | /*++\r | |
2567 | \r | |
2568 | Routine Description:\r | |
2569 | \r | |
2570 | Check whether DRQ is clear in the Status Register. (BSY must also be cleared)\r | |
2571 | If TimeoutInMicroSeconds is zero, this routine should wait infinitely for\r | |
6a6d955c | 2572 | DRQ clear. Otherwise, it will return EFI_TIMEOUT when specified time is\r |
823f7d4f | 2573 | elapsed.\r |
2574 | \r | |
2575 | Arguments:\r | |
2576 | \r | |
2577 | AtapiScsiPrivate - The pointer of ATAPI_SCSI_PASS_THRU_DEV\r | |
2578 | TimeoutInMicroSeconds - The time to wait for\r | |
6a6d955c | 2579 | \r |
823f7d4f | 2580 | Returns:\r |
2581 | \r | |
2582 | EFI_STATUS\r | |
6a6d955c | 2583 | \r |
823f7d4f | 2584 | --*/\r |
2585 | {\r | |
2586 | UINT64 Delay;\r | |
2587 | UINT8 StatusRegister;\r | |
2588 | UINT8 ErrRegister;\r | |
2589 | \r | |
2590 | if (TimeoutInMicroSeconds == 0) {\r | |
2591 | Delay = 2;\r | |
2592 | } else {\r | |
2593 | Delay = DivU64x32 (TimeoutInMicroSeconds, (UINT32) 30) + 1;\r | |
2594 | }\r | |
2595 | \r | |
2596 | do {\r | |
2597 | \r | |
2598 | StatusRegister = ReadPortB (\r | |
2599 | AtapiScsiPrivate->PciIo,\r | |
2600 | AtapiScsiPrivate->IoPort->Reg.Status\r | |
2601 | );\r | |
2602 | \r | |
2603 | //\r | |
2604 | // wait for BSY == 0 and DRQ == 0\r | |
2605 | //\r | |
2606 | if ((StatusRegister & (DRQ | BSY)) == 0) {\r | |
2607 | break;\r | |
2608 | }\r | |
2609 | //\r | |
2610 | // check whether the command is aborted by the device\r | |
2611 | //\r | |
2612 | if ((StatusRegister & (BSY | ERR)) == ERR) {\r | |
2613 | \r | |
2614 | ErrRegister = ReadPortB (\r | |
2615 | AtapiScsiPrivate->PciIo,\r | |
2616 | AtapiScsiPrivate->IoPort->Reg1.Error\r | |
2617 | );\r | |
2618 | if ((ErrRegister & ABRT_ERR) == ABRT_ERR) {\r | |
2619 | \r | |
2620 | return EFI_ABORTED;\r | |
2621 | }\r | |
2622 | }\r | |
2623 | //\r | |
2624 | // Stall for 30 us\r | |
2625 | //\r | |
2626 | gBS->Stall (30);\r | |
2627 | \r | |
2628 | //\r | |
2629 | // Loop infinitely if not meeting expected condition\r | |
2630 | //\r | |
2631 | if (TimeoutInMicroSeconds == 0) {\r | |
2632 | Delay = 2;\r | |
2633 | }\r | |
2634 | \r | |
2635 | Delay--;\r | |
2636 | } while (Delay);\r | |
2637 | \r | |
2638 | if (Delay == 0) {\r | |
2639 | return EFI_TIMEOUT;\r | |
2640 | }\r | |
2641 | \r | |
2642 | return EFI_SUCCESS;\r | |
2643 | }\r | |
2644 | \r | |
2645 | EFI_STATUS\r | |
2646 | AltStatusDRQClear (\r | |
2647 | ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate,\r | |
2648 | UINT64 TimeoutInMicroSeconds\r | |
2649 | )\r | |
2650 | /*++\r | |
2651 | \r | |
2652 | Routine Description:\r | |
2653 | \r | |
6a6d955c | 2654 | Check whether DRQ is clear in the Alternate Status Register.\r |
2655 | (BSY must also be cleared).If TimeoutInMicroSeconds is zero, this routine should\r | |
2656 | wait infinitely for DRQ clear. Otherwise, it will return EFI_TIMEOUT when specified time is\r | |
823f7d4f | 2657 | elapsed.\r |
2658 | \r | |
2659 | Arguments:\r | |
2660 | \r | |
2661 | AtapiScsiPrivate - The pointer of ATAPI_SCSI_PASS_THRU_DEV\r | |
2662 | TimeoutInMicroSeconds - The time to wait for\r | |
6a6d955c | 2663 | \r |
823f7d4f | 2664 | Returns:\r |
2665 | \r | |
2666 | EFI_STATUS\r | |
2667 | \r | |
2668 | --*/\r | |
2669 | {\r | |
2670 | UINT64 Delay;\r | |
2671 | UINT8 AltStatusRegister;\r | |
2672 | UINT8 ErrRegister;\r | |
2673 | \r | |
2674 | if (TimeoutInMicroSeconds == 0) {\r | |
2675 | Delay = 2;\r | |
2676 | } else {\r | |
2677 | Delay = DivU64x32 (TimeoutInMicroSeconds, (UINT32) 30) + 1;\r | |
2678 | }\r | |
2679 | \r | |
2680 | do {\r | |
2681 | \r | |
2682 | AltStatusRegister = ReadPortB (\r | |
2683 | AtapiScsiPrivate->PciIo,\r | |
2684 | AtapiScsiPrivate->IoPort->Alt.AltStatus\r | |
2685 | );\r | |
2686 | \r | |
2687 | //\r | |
2688 | // wait for BSY == 0 and DRQ == 0\r | |
2689 | //\r | |
2690 | if ((AltStatusRegister & (DRQ | BSY)) == 0) {\r | |
2691 | break;\r | |
2692 | }\r | |
2693 | \r | |
2694 | if ((AltStatusRegister & (BSY | ERR)) == ERR) {\r | |
2695 | \r | |
2696 | ErrRegister = ReadPortB (\r | |
2697 | AtapiScsiPrivate->PciIo,\r | |
2698 | AtapiScsiPrivate->IoPort->Reg1.Error\r | |
2699 | );\r | |
2700 | if ((ErrRegister & ABRT_ERR) == ABRT_ERR) {\r | |
2701 | \r | |
2702 | return EFI_ABORTED;\r | |
2703 | }\r | |
2704 | }\r | |
2705 | //\r | |
2706 | // Stall for 30 us\r | |
2707 | //\r | |
2708 | gBS->Stall (30);\r | |
2709 | \r | |
2710 | //\r | |
2711 | // Loop infinitely if not meeting expected condition\r | |
2712 | //\r | |
2713 | if (TimeoutInMicroSeconds == 0) {\r | |
2714 | Delay = 2;\r | |
2715 | }\r | |
2716 | \r | |
2717 | Delay--;\r | |
2718 | } while (Delay);\r | |
2719 | \r | |
2720 | if (Delay == 0) {\r | |
2721 | return EFI_TIMEOUT;\r | |
2722 | }\r | |
2723 | \r | |
2724 | return EFI_SUCCESS;\r | |
2725 | }\r | |
2726 | \r | |
2727 | EFI_STATUS\r | |
2728 | StatusDRQReady (\r | |
2729 | ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate,\r | |
2730 | UINT64 TimeoutInMicroSeconds\r | |
2731 | )\r | |
2732 | /*++\r | |
2733 | \r | |
2734 | Routine Description:\r | |
2735 | \r | |
2736 | Check whether DRQ is ready in the Status Register. (BSY must also be cleared)\r | |
2737 | If TimeoutInMicroSeconds is zero, this routine should wait infinitely for\r | |
6a6d955c | 2738 | DRQ ready. Otherwise, it will return EFI_TIMEOUT when specified time is\r |
823f7d4f | 2739 | elapsed.\r |
2740 | \r | |
2741 | Arguments:\r | |
2742 | \r | |
2743 | AtapiScsiPrivate - The pointer of ATAPI_SCSI_PASS_THRU_DEV\r | |
2744 | TimeoutInMicroSeconds - The time to wait for\r | |
6a6d955c | 2745 | \r |
823f7d4f | 2746 | Returns:\r |
2747 | \r | |
2748 | EFI_STATUS\r | |
2749 | \r | |
2750 | --*/\r | |
2751 | {\r | |
2752 | UINT64 Delay;\r | |
2753 | UINT8 StatusRegister;\r | |
2754 | UINT8 ErrRegister;\r | |
2755 | \r | |
2756 | if (TimeoutInMicroSeconds == 0) {\r | |
2757 | Delay = 2;\r | |
2758 | } else {\r | |
2759 | Delay = DivU64x32 (TimeoutInMicroSeconds, (UINT32) 30) + 1;\r | |
2760 | }\r | |
2761 | \r | |
2762 | do {\r | |
2763 | //\r | |
2764 | // read Status Register will clear interrupt\r | |
2765 | //\r | |
2766 | StatusRegister = ReadPortB (\r | |
2767 | AtapiScsiPrivate->PciIo,\r | |
2768 | AtapiScsiPrivate->IoPort->Reg.Status\r | |
2769 | );\r | |
2770 | \r | |
2771 | //\r | |
2772 | // BSY==0,DRQ==1\r | |
2773 | //\r | |
2774 | if ((StatusRegister & (BSY | DRQ)) == DRQ) {\r | |
2775 | break;\r | |
2776 | }\r | |
2777 | \r | |
2778 | if ((StatusRegister & (BSY | ERR)) == ERR) {\r | |
2779 | \r | |
2780 | ErrRegister = ReadPortB (\r | |
2781 | AtapiScsiPrivate->PciIo,\r | |
2782 | AtapiScsiPrivate->IoPort->Reg1.Error\r | |
2783 | );\r | |
2784 | if ((ErrRegister & ABRT_ERR) == ABRT_ERR) {\r | |
2785 | return EFI_ABORTED;\r | |
2786 | }\r | |
2787 | }\r | |
2788 | \r | |
2789 | //\r | |
2790 | // Stall for 30 us\r | |
2791 | //\r | |
2792 | gBS->Stall (30);\r | |
2793 | \r | |
2794 | //\r | |
2795 | // Loop infinitely if not meeting expected condition\r | |
2796 | //\r | |
2797 | if (TimeoutInMicroSeconds == 0) {\r | |
2798 | Delay = 2;\r | |
2799 | }\r | |
2800 | \r | |
2801 | Delay--;\r | |
2802 | } while (Delay);\r | |
2803 | \r | |
2804 | if (Delay == 0) {\r | |
2805 | return EFI_TIMEOUT;\r | |
2806 | }\r | |
2807 | \r | |
2808 | return EFI_SUCCESS;\r | |
2809 | }\r | |
2810 | \r | |
2811 | EFI_STATUS\r | |
2812 | AltStatusDRQReady (\r | |
2813 | ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate,\r | |
2814 | UINT64 TimeoutInMicroSeconds\r | |
2815 | )\r | |
2816 | /*++\r | |
2817 | \r | |
2818 | Routine Description:\r | |
2819 | \r | |
6a6d955c | 2820 | Check whether DRQ is ready in the Alternate Status Register.\r |
823f7d4f | 2821 | (BSY must also be cleared)\r |
2822 | If TimeoutInMicroSeconds is zero, this routine should wait infinitely for\r | |
6a6d955c | 2823 | DRQ ready. Otherwise, it will return EFI_TIMEOUT when specified time is\r |
823f7d4f | 2824 | elapsed.\r |
2825 | \r | |
2826 | Arguments:\r | |
2827 | \r | |
2828 | AtapiScsiPrivate - The pointer of ATAPI_SCSI_PASS_THRU_DEV\r | |
2829 | TimeoutInMicroSeconds - The time to wait for\r | |
6a6d955c | 2830 | \r |
823f7d4f | 2831 | Returns:\r |
2832 | \r | |
2833 | EFI_STATUS\r | |
2834 | \r | |
2835 | --*/\r | |
2836 | {\r | |
2837 | UINT64 Delay;\r | |
2838 | UINT8 AltStatusRegister;\r | |
2839 | UINT8 ErrRegister;\r | |
2840 | \r | |
2841 | if (TimeoutInMicroSeconds == 0) {\r | |
2842 | Delay = 2;\r | |
2843 | } else {\r | |
2844 | Delay = DivU64x32 (TimeoutInMicroSeconds, (UINT32) 30) + 1;\r | |
2845 | }\r | |
2846 | \r | |
2847 | do {\r | |
2848 | //\r | |
2849 | // read Status Register will clear interrupt\r | |
2850 | //\r | |
2851 | AltStatusRegister = ReadPortB (\r | |
2852 | AtapiScsiPrivate->PciIo,\r | |
2853 | AtapiScsiPrivate->IoPort->Alt.AltStatus\r | |
2854 | );\r | |
2855 | //\r | |
2856 | // BSY==0,DRQ==1\r | |
2857 | //\r | |
2858 | if ((AltStatusRegister & (BSY | DRQ)) == DRQ) {\r | |
2859 | break;\r | |
2860 | }\r | |
2861 | \r | |
2862 | if ((AltStatusRegister & (BSY | ERR)) == ERR) {\r | |
2863 | \r | |
2864 | ErrRegister = ReadPortB (\r | |
2865 | AtapiScsiPrivate->PciIo,\r | |
2866 | AtapiScsiPrivate->IoPort->Reg1.Error\r | |
2867 | );\r | |
2868 | if ((ErrRegister & ABRT_ERR) == ABRT_ERR) {\r | |
2869 | return EFI_ABORTED;\r | |
2870 | }\r | |
2871 | }\r | |
2872 | \r | |
2873 | //\r | |
2874 | // Stall for 30 us\r | |
2875 | //\r | |
2876 | gBS->Stall (30);\r | |
2877 | \r | |
2878 | //\r | |
2879 | // Loop infinitely if not meeting expected condition\r | |
2880 | //\r | |
2881 | if (TimeoutInMicroSeconds == 0) {\r | |
2882 | Delay = 2;\r | |
2883 | }\r | |
2884 | \r | |
2885 | Delay--;\r | |
2886 | } while (Delay);\r | |
2887 | \r | |
2888 | if (Delay == 0) {\r | |
2889 | return EFI_TIMEOUT;\r | |
2890 | }\r | |
2891 | \r | |
2892 | return EFI_SUCCESS;\r | |
2893 | }\r | |
2894 | \r | |
2895 | EFI_STATUS\r | |
2896 | StatusWaitForBSYClear (\r | |
2897 | ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate,\r | |
2898 | UINT64 TimeoutInMicroSeconds\r | |
2899 | )\r | |
2900 | /*++\r | |
2901 | \r | |
2902 | Routine Description:\r | |
2903 | \r | |
2904 | Check whether BSY is clear in the Status Register.\r | |
2905 | If TimeoutInMicroSeconds is zero, this routine should wait infinitely for\r | |
6a6d955c | 2906 | BSY clear. Otherwise, it will return EFI_TIMEOUT when specified time is\r |
823f7d4f | 2907 | elapsed.\r |
2908 | \r | |
2909 | Arguments:\r | |
2910 | \r | |
2911 | AtapiScsiPrivate - The pointer of ATAPI_SCSI_PASS_THRU_DEV\r | |
2912 | TimeoutInMicroSeconds - The time to wait for\r | |
6a6d955c | 2913 | \r |
823f7d4f | 2914 | Returns:\r |
2915 | \r | |
2916 | EFI_STATUS\r | |
2917 | \r | |
2918 | --*/\r | |
2919 | {\r | |
2920 | UINT64 Delay;\r | |
2921 | UINT8 StatusRegister;\r | |
2922 | \r | |
2923 | if (TimeoutInMicroSeconds == 0) {\r | |
2924 | Delay = 2;\r | |
2925 | } else {\r | |
2926 | Delay = DivU64x32 (TimeoutInMicroSeconds, (UINT32) 30) + 1;\r | |
2927 | }\r | |
2928 | \r | |
2929 | do {\r | |
2930 | \r | |
2931 | StatusRegister = ReadPortB (\r | |
2932 | AtapiScsiPrivate->PciIo,\r | |
2933 | AtapiScsiPrivate->IoPort->Reg.Status\r | |
2934 | );\r | |
2935 | if ((StatusRegister & BSY) == 0x00) {\r | |
2936 | break;\r | |
2937 | }\r | |
2938 | \r | |
2939 | //\r | |
2940 | // Stall for 30 us\r | |
2941 | //\r | |
2942 | gBS->Stall (30);\r | |
2943 | \r | |
2944 | //\r | |
2945 | // Loop infinitely if not meeting expected condition\r | |
2946 | //\r | |
2947 | if (TimeoutInMicroSeconds == 0) {\r | |
2948 | Delay = 2;\r | |
2949 | }\r | |
2950 | \r | |
2951 | Delay--;\r | |
2952 | } while (Delay);\r | |
2953 | \r | |
2954 | if (Delay == 0) {\r | |
2955 | return EFI_TIMEOUT;\r | |
2956 | }\r | |
2957 | \r | |
2958 | return EFI_SUCCESS;\r | |
2959 | }\r | |
2960 | \r | |
2961 | EFI_STATUS\r | |
2962 | AltStatusWaitForBSYClear (\r | |
2963 | ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate,\r | |
2964 | UINT64 TimeoutInMicroSeconds\r | |
2965 | )\r | |
2966 | /*++\r | |
2967 | \r | |
2968 | Routine Description:\r | |
2969 | \r | |
2970 | Check whether BSY is clear in the Alternate Status Register.\r | |
2971 | If TimeoutInMicroSeconds is zero, this routine should wait infinitely for\r | |
6a6d955c | 2972 | BSY clear. Otherwise, it will return EFI_TIMEOUT when specified time is\r |
823f7d4f | 2973 | elapsed.\r |
2974 | \r | |
2975 | Arguments:\r | |
2976 | \r | |
2977 | AtapiScsiPrivate - The pointer of ATAPI_SCSI_PASS_THRU_DEV\r | |
2978 | TimeoutInMicroSeconds - The time to wait for\r | |
6a6d955c | 2979 | \r |
823f7d4f | 2980 | Returns:\r |
2981 | \r | |
2982 | EFI_STATUS\r | |
2983 | \r | |
2984 | --*/\r | |
2985 | {\r | |
2986 | UINT64 Delay;\r | |
2987 | UINT8 AltStatusRegister;\r | |
2988 | \r | |
2989 | if (TimeoutInMicroSeconds == 0) {\r | |
2990 | Delay = 2;\r | |
2991 | } else {\r | |
2992 | Delay = DivU64x32 (TimeoutInMicroSeconds, (UINT32) 30) + 1;\r | |
2993 | }\r | |
2994 | \r | |
2995 | do {\r | |
2996 | \r | |
2997 | AltStatusRegister = ReadPortB (\r | |
2998 | AtapiScsiPrivate->PciIo,\r | |
2999 | AtapiScsiPrivate->IoPort->Alt.AltStatus\r | |
3000 | );\r | |
3001 | if ((AltStatusRegister & BSY) == 0x00) {\r | |
3002 | break;\r | |
3003 | }\r | |
3004 | \r | |
3005 | //\r | |
3006 | // Stall for 30 us\r | |
3007 | //\r | |
3008 | gBS->Stall (30);\r | |
3009 | //\r | |
3010 | // Loop infinitely if not meeting expected condition\r | |
3011 | //\r | |
3012 | if (TimeoutInMicroSeconds == 0) {\r | |
3013 | Delay = 2;\r | |
3014 | }\r | |
3015 | \r | |
3016 | Delay--;\r | |
3017 | } while (Delay);\r | |
3018 | \r | |
3019 | if (Delay == 0) {\r | |
3020 | return EFI_TIMEOUT;\r | |
3021 | }\r | |
3022 | \r | |
3023 | return EFI_SUCCESS;\r | |
3024 | }\r | |
3025 | \r | |
3026 | EFI_STATUS\r | |
3027 | StatusDRDYReady (\r | |
3028 | ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate,\r | |
3029 | UINT64 TimeoutInMicroSeconds\r | |
3030 | )\r | |
3031 | /*++\r | |
3032 | \r | |
3033 | Routine Description:\r | |
3034 | \r | |
6a6d955c | 3035 | Check whether DRDY is ready in the Status Register.\r |
823f7d4f | 3036 | (BSY must also be cleared)\r |
3037 | If TimeoutInMicroSeconds is zero, this routine should wait infinitely for\r | |
6a6d955c | 3038 | DRDY ready. Otherwise, it will return EFI_TIMEOUT when specified time is\r |
823f7d4f | 3039 | elapsed.\r |
3040 | \r | |
3041 | Arguments:\r | |
3042 | \r | |
3043 | AtapiScsiPrivate - The pointer of ATAPI_SCSI_PASS_THRU_DEV\r | |
3044 | TimeoutInMicroSeconds - The time to wait for\r | |
6a6d955c | 3045 | \r |
823f7d4f | 3046 | Returns:\r |
3047 | \r | |
3048 | EFI_STATUS\r | |
3049 | \r | |
3050 | --*/\r | |
3051 | {\r | |
3052 | UINT64 Delay;\r | |
3053 | UINT8 StatusRegister;\r | |
3054 | UINT8 ErrRegister;\r | |
3055 | \r | |
3056 | if (TimeoutInMicroSeconds == 0) {\r | |
3057 | Delay = 2;\r | |
3058 | } else {\r | |
3059 | Delay = DivU64x32 (TimeoutInMicroSeconds, (UINT32) 30) + 1;\r | |
3060 | }\r | |
3061 | \r | |
3062 | do {\r | |
3063 | StatusRegister = ReadPortB (\r | |
3064 | AtapiScsiPrivate->PciIo,\r | |
3065 | AtapiScsiPrivate->IoPort->Reg.Status\r | |
3066 | );\r | |
3067 | //\r | |
3068 | // BSY == 0 , DRDY == 1\r | |
3069 | //\r | |
3070 | if ((StatusRegister & (DRDY | BSY)) == DRDY) {\r | |
3071 | break;\r | |
3072 | }\r | |
3073 | \r | |
3074 | if ((StatusRegister & (BSY | ERR)) == ERR) {\r | |
3075 | \r | |
3076 | ErrRegister = ReadPortB (\r | |
3077 | AtapiScsiPrivate->PciIo,\r | |
3078 | AtapiScsiPrivate->IoPort->Reg1.Error\r | |
3079 | );\r | |
3080 | if ((ErrRegister & ABRT_ERR) == ABRT_ERR) {\r | |
3081 | return EFI_ABORTED;\r | |
3082 | }\r | |
3083 | }\r | |
3084 | \r | |
3085 | //\r | |
3086 | // Stall for 30 us\r | |
3087 | //\r | |
3088 | gBS->Stall (30);\r | |
3089 | //\r | |
3090 | // Loop infinitely if not meeting expected condition\r | |
3091 | //\r | |
3092 | if (TimeoutInMicroSeconds == 0) {\r | |
3093 | Delay = 2;\r | |
3094 | }\r | |
3095 | \r | |
3096 | Delay--;\r | |
3097 | } while (Delay);\r | |
3098 | \r | |
3099 | if (Delay == 0) {\r | |
3100 | return EFI_TIMEOUT;\r | |
3101 | }\r | |
3102 | \r | |
3103 | return EFI_SUCCESS;\r | |
3104 | }\r | |
3105 | \r | |
3106 | EFI_STATUS\r | |
3107 | AltStatusDRDYReady (\r | |
3108 | ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate,\r | |
3109 | UINT64 TimeoutInMicroSeconds\r | |
3110 | )\r | |
3111 | /*++\r | |
3112 | \r | |
3113 | Routine Description:\r | |
3114 | \r | |
6a6d955c | 3115 | Check whether DRDY is ready in the Alternate Status Register.\r |
823f7d4f | 3116 | (BSY must also be cleared)\r |
3117 | If TimeoutInMicroSeconds is zero, this routine should wait infinitely for\r | |
6a6d955c | 3118 | DRDY ready. Otherwise, it will return EFI_TIMEOUT when specified time is\r |
823f7d4f | 3119 | elapsed.\r |
3120 | \r | |
3121 | Arguments:\r | |
3122 | \r | |
3123 | AtapiScsiPrivate - The pointer of ATAPI_SCSI_PASS_THRU_DEV\r | |
3124 | TimeoutInMicroSeconds - The time to wait for\r | |
6a6d955c | 3125 | \r |
823f7d4f | 3126 | Returns:\r |
3127 | \r | |
3128 | EFI_STATUS\r | |
3129 | \r | |
3130 | --*/\r | |
3131 | {\r | |
3132 | UINT64 Delay;\r | |
3133 | UINT8 AltStatusRegister;\r | |
3134 | UINT8 ErrRegister;\r | |
3135 | \r | |
3136 | if (TimeoutInMicroSeconds == 0) {\r | |
3137 | Delay = 2;\r | |
3138 | } else {\r | |
3139 | Delay = DivU64x32 (TimeoutInMicroSeconds, (UINT32) 30) + 1;\r | |
3140 | }\r | |
3141 | \r | |
3142 | do {\r | |
3143 | AltStatusRegister = ReadPortB (\r | |
3144 | AtapiScsiPrivate->PciIo,\r | |
3145 | AtapiScsiPrivate->IoPort->Alt.AltStatus\r | |
3146 | );\r | |
3147 | //\r | |
3148 | // BSY == 0 , DRDY == 1\r | |
3149 | //\r | |
3150 | if ((AltStatusRegister & (DRDY | BSY)) == DRDY) {\r | |
3151 | break;\r | |
3152 | }\r | |
3153 | \r | |
3154 | if ((AltStatusRegister & (BSY | ERR)) == ERR) {\r | |
3155 | \r | |
3156 | ErrRegister = ReadPortB (\r | |
3157 | AtapiScsiPrivate->PciIo,\r | |
3158 | AtapiScsiPrivate->IoPort->Reg1.Error\r | |
3159 | );\r | |
3160 | if ((ErrRegister & ABRT_ERR) == ABRT_ERR) {\r | |
3161 | return EFI_ABORTED;\r | |
3162 | }\r | |
3163 | }\r | |
3164 | \r | |
3165 | //\r | |
3166 | // Stall for 30 us\r | |
3167 | //\r | |
3168 | gBS->Stall (30);\r | |
3169 | //\r | |
3170 | // Loop infinitely if not meeting expected condition\r | |
3171 | //\r | |
3172 | if (TimeoutInMicroSeconds == 0) {\r | |
3173 | Delay = 2;\r | |
3174 | }\r | |
3175 | \r | |
3176 | Delay--;\r | |
3177 | } while (Delay);\r | |
3178 | \r | |
3179 | if (Delay == 0) {\r | |
3180 | return EFI_TIMEOUT;\r | |
3181 | }\r | |
3182 | \r | |
3183 | return EFI_SUCCESS;\r | |
3184 | }\r | |
3185 | \r | |
3186 | EFI_STATUS\r | |
3187 | AtapiPassThruCheckErrorStatus (\r | |
3188 | ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate\r | |
3189 | )\r | |
6a6d955c | 3190 | /*++\r |
823f7d4f | 3191 | \r |
3192 | Routine Description:\r | |
3193 | \r | |
6a6d955c | 3194 | Check Error Register for Error Information.\r |
3195 | \r | |
823f7d4f | 3196 | Arguments:\r |
3197 | \r | |
3198 | AtapiScsiPrivate - The pointer of ATAPI_SCSI_PASS_THRU_DEV\r | |
6a6d955c | 3199 | \r |
823f7d4f | 3200 | Returns:\r |
3201 | \r | |
3202 | EFI_STATUS\r | |
3203 | \r | |
3204 | --*/\r | |
3205 | {\r | |
3206 | UINT8 StatusRegister;\r | |
3207 | UINT8 ErrorRegister;\r | |
3208 | \r | |
3209 | StatusRegister = ReadPortB (\r | |
3210 | AtapiScsiPrivate->PciIo,\r | |
3211 | AtapiScsiPrivate->IoPort->Reg.Status\r | |
3212 | );\r | |
3213 | \r | |
3214 | DEBUG_CODE_BEGIN ();\r | |
3215 | \r | |
3216 | if (StatusRegister & DWF) {\r | |
3217 | DEBUG (\r | |
3218 | (EFI_D_BLKIO,\r | |
3219 | "AtapiPassThruCheckErrorStatus()-- %02x : Error : Write Fault\n",\r | |
3220 | StatusRegister)\r | |
3221 | );\r | |
3222 | }\r | |
3223 | \r | |
3224 | if (StatusRegister & CORR) {\r | |
3225 | DEBUG (\r | |
3226 | (EFI_D_BLKIO,\r | |
3227 | "AtapiPassThruCheckErrorStatus()-- %02x : Error : Corrected Data\n",\r | |
3228 | StatusRegister)\r | |
3229 | );\r | |
3230 | }\r | |
3231 | \r | |
3232 | if (StatusRegister & ERR) {\r | |
3233 | ErrorRegister = ReadPortB (AtapiScsiPrivate->PciIo, AtapiScsiPrivate->IoPort->Reg1.Error);\r | |
3234 | \r | |
3235 | \r | |
3236 | if (ErrorRegister & BBK_ERR) {\r | |
3237 | DEBUG (\r | |
3238 | (EFI_D_BLKIO,\r | |
3239 | "AtapiPassThruCheckErrorStatus()-- %02x : Error : Bad Block Detected\n",\r | |
3240 | ErrorRegister)\r | |
3241 | );\r | |
3242 | }\r | |
3243 | \r | |
3244 | if (ErrorRegister & UNC_ERR) {\r | |
3245 | DEBUG (\r | |
3246 | (EFI_D_BLKIO,\r | |
3247 | "AtapiPassThruCheckErrorStatus()-- %02x : Error : Uncorrectable Data\n",\r | |
3248 | ErrorRegister)\r | |
3249 | );\r | |
3250 | }\r | |
3251 | \r | |
3252 | if (ErrorRegister & MC_ERR) {\r | |
3253 | DEBUG (\r | |
3254 | (EFI_D_BLKIO,\r | |
3255 | "AtapiPassThruCheckErrorStatus()-- %02x : Error : Media Change\n",\r | |
3256 | ErrorRegister)\r | |
3257 | );\r | |
3258 | }\r | |
3259 | \r | |
3260 | if (ErrorRegister & ABRT_ERR) {\r | |
3261 | DEBUG (\r | |
3262 | (EFI_D_BLKIO,\r | |
3263 | "AtapiPassThruCheckErrorStatus()-- %02x : Error : Abort\n",\r | |
3264 | ErrorRegister)\r | |
3265 | );\r | |
3266 | }\r | |
3267 | \r | |
3268 | if (ErrorRegister & TK0NF_ERR) {\r | |
3269 | DEBUG (\r | |
3270 | (EFI_D_BLKIO,\r | |
3271 | "AtapiPassThruCheckErrorStatus()-- %02x : Error : Track 0 Not Found\n",\r | |
3272 | ErrorRegister)\r | |
3273 | );\r | |
3274 | }\r | |
3275 | \r | |
3276 | if (ErrorRegister & AMNF_ERR) {\r | |
3277 | DEBUG (\r | |
3278 | (EFI_D_BLKIO,\r | |
3279 | "AtapiPassThruCheckErrorStatus()-- %02x : Error : Address Mark Not Found\n",\r | |
3280 | ErrorRegister)\r | |
3281 | );\r | |
3282 | }\r | |
3283 | }\r | |
3284 | \r | |
3285 | DEBUG_CODE_END ();\r | |
3286 | \r | |
3287 | if ((StatusRegister & (ERR | DWF | CORR)) == 0) {\r | |
3288 | return EFI_SUCCESS;\r | |
3289 | }\r | |
3290 | \r | |
3291 | \r | |
3292 | return EFI_DEVICE_ERROR;\r | |
3293 | }\r | |
3294 | \r | |
3295 | \r | |
3296 | /**\r | |
6a6d955c | 3297 | Installs Scsi Pass Thru and/or Ext Scsi Pass Thru\r |
3298 | protocols based on feature flags.\r | |
823f7d4f | 3299 | \r |
6a6d955c | 3300 | @param Controller The controller handle to\r |
823f7d4f | 3301 | install these protocols on.\r |
3302 | @param AtapiScsiPrivate A pointer to the protocol private\r | |
3303 | data structure.\r | |
3304 | \r | |
6a6d955c | 3305 | @retval EFI_SUCCESS The installation succeeds.\r |
3306 | @retval other The installation fails.\r | |
3307 | \r | |
823f7d4f | 3308 | **/\r |
3309 | EFI_STATUS\r | |
3310 | InstallScsiPassThruProtocols (\r | |
3311 | IN EFI_HANDLE *ControllerHandle,\r | |
3312 | IN ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate\r | |
3313 | )\r | |
3314 | {\r | |
3315 | EFI_STATUS Status;\r | |
3316 | EFI_SCSI_PASS_THRU_PROTOCOL *ScsiPassThru;\r | |
3317 | EFI_EXT_SCSI_PASS_THRU_PROTOCOL *ExtScsiPassThru;\r | |
3318 | \r | |
3319 | ScsiPassThru = &AtapiScsiPrivate->ScsiPassThru;\r | |
3320 | ExtScsiPassThru = &AtapiScsiPrivate->ExtScsiPassThru;\r | |
3321 | \r | |
3322 | if (FeaturePcdGet (PcdSupportScsiPassThru)) {\r | |
3323 | ScsiPassThru = CopyMem (ScsiPassThru, &gScsiPassThruProtocolTemplate, sizeof (*ScsiPassThru));\r | |
3324 | if (FeaturePcdGet (PcdSupportExtScsiPassThru)) {\r | |
3325 | ExtScsiPassThru = CopyMem (ExtScsiPassThru, &gExtScsiPassThruProtocolTemplate, sizeof (*ExtScsiPassThru));\r | |
3326 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
3327 | ControllerHandle,\r | |
3328 | &gEfiScsiPassThruProtocolGuid,\r | |
3329 | ScsiPassThru,\r | |
3330 | &gEfiExtScsiPassThruProtocolGuid,\r | |
3331 | ExtScsiPassThru,\r | |
3332 | NULL\r | |
3333 | );\r | |
3334 | } else {\r | |
3335 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
3336 | ControllerHandle,\r | |
3337 | &gEfiScsiPassThruProtocolGuid,\r | |
3338 | ScsiPassThru,\r | |
3339 | NULL\r | |
3340 | );\r | |
3341 | }\r | |
3342 | } else {\r | |
3343 | if (FeaturePcdGet (PcdSupportExtScsiPassThru)) {\r | |
3344 | ExtScsiPassThru = CopyMem (ExtScsiPassThru, &gExtScsiPassThruProtocolTemplate, sizeof (*ExtScsiPassThru));\r | |
3345 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
3346 | ControllerHandle,\r | |
3347 | &gEfiExtScsiPassThruProtocolGuid,\r | |
3348 | ExtScsiPassThru,\r | |
3349 | NULL\r | |
3350 | );\r | |
3351 | } else {\r | |
3352 | //\r | |
3353 | // This driver must support either ScsiPassThru or\r | |
3354 | // ExtScsiPassThru protocols\r | |
6a6d955c | 3355 | //\r |
823f7d4f | 3356 | ASSERT (FALSE);\r |
3357 | Status = EFI_UNSUPPORTED;\r | |
3358 | }\r | |
3359 | }\r | |
3360 | \r | |
3361 | return Status;\r | |
3362 | }\r | |
3363 | \r | |
3364 | /**\r | |
3365 | The user Entry Point for module AtapiPassThru. The user code starts with this function.\r | |
3366 | \r | |
3367 | @param[in] ImageHandle The firmware allocated handle for the EFI image.\r | |
3368 | @param[in] SystemTable A pointer to the EFI System Table.\r | |
3369 | \r | |
3370 | @retval EFI_SUCCESS The entry point is executed successfully.\r | |
3371 | @retval other Some error occurs when executing this entry point.\r | |
3372 | \r | |
3373 | **/\r | |
3374 | EFI_STATUS\r | |
3375 | EFIAPI\r | |
3376 | InitializeAtapiPassThru(\r | |
3377 | IN EFI_HANDLE ImageHandle,\r | |
3378 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
3379 | )\r | |
3380 | {\r | |
3381 | EFI_STATUS Status;\r | |
3382 | \r | |
3383 | //\r | |
3384 | // Install driver model protocol(s).\r | |
3385 | //\r | |
3386 | Status = EfiLibInstallDriverBindingComponentName2 (\r | |
3387 | ImageHandle,\r | |
3388 | SystemTable,\r | |
3389 | &gAtapiScsiPassThruDriverBinding,\r | |
3390 | ImageHandle,\r | |
3391 | &gAtapiScsiPassThruComponentName,\r | |
3392 | &gAtapiScsiPassThruComponentName2\r | |
3393 | );\r | |
3394 | ASSERT_EFI_ERROR (Status);\r | |
3395 | \r | |
4cc9af6c | 3396 | //\r |
6a6d955c | 3397 | // Install EFI Driver Supported EFI Version Protocol required for\r |
4cc9af6c | 3398 | // EFI drivers that are on PCI and other plug in cards.\r |
3399 | //\r | |
3400 | gAtapiScsiPassThruDriverSupportedEfiVersion.FirmwareVersion = PcdGet32 (PcdDriverSupportedEfiVersion);\r | |
3401 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
3402 | &ImageHandle,\r | |
3403 | &gEfiDriverSupportedEfiVersionProtocolGuid,\r | |
3404 | &gAtapiScsiPassThruDriverSupportedEfiVersion,\r | |
3405 | NULL\r | |
3406 | );\r | |
3407 | ASSERT_EFI_ERROR (Status);\r | |
3408 | \r | |
823f7d4f | 3409 | return Status;\r |
3410 | }\r |