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823f7d4f | 1 | /** @file\r |
ac1ca104 HT |
2 | Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>\r |
3 | This program and the accompanying materials\r | |
823f7d4f | 4 | are licensed and made available under the terms and conditions of the BSD License\r |
5 | which accompanies this distribution. The full text of the license may be found at\r | |
6 | http://opensource.org/licenses/bsd-license.php\r | |
7 | \r | |
8 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
9 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
10 | \r | |
11 | **/\r | |
12 | \r | |
13 | #include "AtapiPassThru.h"\r | |
14 | \r | |
15 | \r | |
ba31c2e0 | 16 | SCSI_COMMAND_SET gEndTable = { 0xff, (DATA_DIRECTION) 0xff };\r |
823f7d4f | 17 | \r |
18 | ///\r | |
19 | /// This table contains all the supported ATAPI commands.\r | |
20 | ///\r | |
ba31c2e0 | 21 | SCSI_COMMAND_SET gSupportedATAPICommands[] = {\r |
823f7d4f | 22 | { OP_INQUIRY, DataIn },\r |
23 | { OP_LOAD_UNLOAD_CD, NoData },\r | |
24 | { OP_MECHANISM_STATUS, DataIn },\r | |
25 | { OP_MODE_SELECT_10, DataOut },\r | |
26 | { OP_MODE_SENSE_10, DataIn },\r | |
27 | { OP_PAUSE_RESUME, NoData },\r | |
28 | { OP_PLAY_AUDIO_10, DataIn },\r | |
29 | { OP_PLAY_AUDIO_MSF, DataIn },\r | |
30 | { OP_PLAY_CD, DataIn },\r | |
31 | { OP_PLAY_CD_MSF, DataIn },\r | |
32 | { OP_PREVENT_ALLOW_MEDIUM_REMOVAL,NoData },\r | |
33 | { OP_READ_10, DataIn },\r | |
34 | { OP_READ_12, DataIn },\r | |
35 | { OP_READ_CAPACITY, DataIn },\r | |
36 | { OP_READ_CD, DataIn },\r | |
37 | { OP_READ_CD_MSF, DataIn },\r | |
38 | { OP_READ_HEADER, DataIn },\r | |
39 | { OP_READ_SUB_CHANNEL, DataIn },\r | |
40 | { OP_READ_TOC, DataIn },\r | |
41 | { OP_REQUEST_SENSE, DataIn },\r | |
42 | { OP_SCAN, NoData },\r | |
43 | { OP_SEEK_10, NoData },\r | |
44 | { OP_SET_CD_SPEED, DataOut },\r | |
45 | { OP_STOPPLAY_SCAN, NoData },\r | |
46 | { OP_START_STOP_UNIT, NoData },\r | |
47 | { OP_TEST_UNIT_READY, NoData },\r | |
48 | { OP_FORMAT_UNIT, DataOut },\r | |
49 | { OP_READ_FORMAT_CAPACITIES, DataIn },\r | |
50 | { OP_VERIFY, DataOut },\r | |
51 | { OP_WRITE_10, DataOut },\r | |
52 | { OP_WRITE_12, DataOut },\r | |
53 | { OP_WRITE_AND_VERIFY, DataOut },\r | |
54 | { 0xff, (DATA_DIRECTION) 0xff }\r | |
55 | };\r | |
56 | \r | |
57 | GLOBAL_REMOVE_IF_UNREFERENCED EFI_SCSI_PASS_THRU_MODE gScsiPassThruMode = {\r | |
58 | L"ATAPI Controller",\r | |
59 | L"ATAPI Channel",\r | |
60 | 4,\r | |
61 | EFI_SCSI_PASS_THRU_ATTRIBUTES_PHYSICAL | EFI_SCSI_PASS_THRU_ATTRIBUTES_LOGICAL,\r | |
62 | 0\r | |
63 | };\r | |
64 | \r | |
65 | GLOBAL_REMOVE_IF_UNREFERENCED EFI_SCSI_PASS_THRU_PROTOCOL gScsiPassThruProtocolTemplate = {\r | |
66 | &gScsiPassThruMode,\r | |
67 | AtapiScsiPassThruFunction,\r | |
68 | AtapiScsiPassThruGetNextDevice,\r | |
69 | AtapiScsiPassThruBuildDevicePath,\r | |
70 | AtapiScsiPassThruGetTargetLun,\r | |
71 | AtapiScsiPassThruResetChannel,\r | |
72 | AtapiScsiPassThruResetTarget\r | |
73 | };\r | |
74 | \r | |
75 | GLOBAL_REMOVE_IF_UNREFERENCED EFI_EXT_SCSI_PASS_THRU_MODE gExtScsiPassThruMode = {\r | |
6a6d955c | 76 | 4,\r |
823f7d4f | 77 | EFI_EXT_SCSI_PASS_THRU_ATTRIBUTES_PHYSICAL | EFI_EXT_SCSI_PASS_THRU_ATTRIBUTES_LOGICAL,\r |
78 | 0\r | |
79 | };\r | |
80 | \r | |
81 | GLOBAL_REMOVE_IF_UNREFERENCED EFI_EXT_SCSI_PASS_THRU_PROTOCOL gExtScsiPassThruProtocolTemplate = {\r | |
82 | &gExtScsiPassThruMode,\r | |
83 | AtapiExtScsiPassThruFunction,\r | |
84 | AtapiExtScsiPassThruGetNextTargetLun,\r | |
85 | AtapiExtScsiPassThruBuildDevicePath,\r | |
86 | AtapiExtScsiPassThruGetTargetLun,\r | |
87 | AtapiExtScsiPassThruResetChannel,\r | |
88 | AtapiExtScsiPassThruResetTarget,\r | |
89 | AtapiExtScsiPassThruGetNextTarget\r | |
90 | };\r | |
91 | \r | |
92 | EFI_DRIVER_BINDING_PROTOCOL gAtapiScsiPassThruDriverBinding = {\r | |
93 | AtapiScsiPassThruDriverBindingSupported,\r | |
94 | AtapiScsiPassThruDriverBindingStart,\r | |
95 | AtapiScsiPassThruDriverBindingStop,\r | |
96 | 0x10,\r | |
97 | NULL,\r | |
98 | NULL\r | |
99 | };\r | |
100 | \r | |
101 | EFI_STATUS\r | |
102 | EFIAPI\r | |
103 | AtapiScsiPassThruDriverBindingSupported (\r | |
104 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
105 | IN EFI_HANDLE Controller,\r | |
106 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
107 | )\r | |
108 | /*++\r | |
6a6d955c | 109 | \r |
823f7d4f | 110 | Routine Description:\r |
111 | Test to see if this driver supports ControllerHandle. Any ControllerHandle\r | |
112 | that has gEfiPciIoProtocolGuid installed and is IDE Controller it will be supported.\r | |
6a6d955c | 113 | \r |
823f7d4f | 114 | Arguments:\r |
115 | \r | |
116 | This - Protocol instance pointer.\r | |
117 | Controller - Handle of device to test\r | |
118 | RemainingDevicePath - Not used\r | |
6a6d955c | 119 | \r |
823f7d4f | 120 | Returns:\r |
121 | EFI_STATUS\r | |
6a6d955c | 122 | \r |
823f7d4f | 123 | --*/\r |
124 | {\r | |
125 | EFI_STATUS Status;\r | |
126 | EFI_PCI_IO_PROTOCOL *PciIo;\r | |
127 | PCI_TYPE00 Pci;\r | |
128 | \r | |
129 | \r | |
130 | //\r | |
131 | // Open the IO Abstraction(s) needed to perform the supported test\r | |
132 | //\r | |
133 | Status = gBS->OpenProtocol (\r | |
134 | Controller,\r | |
135 | &gEfiPciIoProtocolGuid,\r | |
136 | (VOID **) &PciIo,\r | |
137 | This->DriverBindingHandle,\r | |
138 | Controller,\r | |
139 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
140 | );\r | |
141 | if (EFI_ERROR (Status)) {\r | |
142 | return Status;\r | |
143 | }\r | |
144 | //\r | |
145 | // Use the PCI I/O Protocol to see if Controller is a IDE Controller that\r | |
146 | // can be managed by this driver. Read the PCI Configuration Header\r | |
147 | // for this device.\r | |
148 | //\r | |
149 | Status = PciIo->Pci.Read (\r | |
150 | PciIo,\r | |
151 | EfiPciIoWidthUint32,\r | |
152 | 0,\r | |
153 | sizeof (Pci) / sizeof (UINT32),\r | |
154 | &Pci\r | |
155 | );\r | |
156 | if (EFI_ERROR (Status)) {\r | |
157 | gBS->CloseProtocol (\r | |
158 | Controller,\r | |
159 | &gEfiPciIoProtocolGuid,\r | |
160 | This->DriverBindingHandle,\r | |
161 | Controller\r | |
162 | );\r | |
163 | return EFI_UNSUPPORTED;\r | |
164 | }\r | |
165 | \r | |
bc14bdb3 | 166 | if (Pci.Hdr.ClassCode[2] != PCI_CLASS_MASS_STORAGE || Pci.Hdr.ClassCode[1] != PCI_CLASS_MASS_STORAGE_IDE) {\r |
823f7d4f | 167 | \r |
168 | Status = EFI_UNSUPPORTED;\r | |
169 | }\r | |
170 | \r | |
171 | gBS->CloseProtocol (\r | |
172 | Controller,\r | |
173 | &gEfiPciIoProtocolGuid,\r | |
174 | This->DriverBindingHandle,\r | |
175 | Controller\r | |
176 | );\r | |
177 | \r | |
178 | return Status;\r | |
179 | }\r | |
180 | \r | |
181 | EFI_STATUS\r | |
182 | EFIAPI\r | |
183 | AtapiScsiPassThruDriverBindingStart (\r | |
184 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
185 | IN EFI_HANDLE Controller,\r | |
186 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
187 | )\r | |
188 | /*++\r | |
6a6d955c | 189 | \r |
823f7d4f | 190 | Routine Description:\r |
191 | Create handles for IDE channels specified by RemainingDevicePath.\r | |
192 | Install SCSI Pass Thru Protocol onto each created handle.\r | |
6a6d955c | 193 | \r |
823f7d4f | 194 | Arguments:\r |
195 | \r | |
196 | This - Protocol instance pointer.\r | |
197 | Controller - Handle of device to test\r | |
198 | RemainingDevicePath - Not used\r | |
6a6d955c | 199 | \r |
823f7d4f | 200 | Returns:\r |
201 | EFI_STATUS\r | |
6a6d955c | 202 | \r |
823f7d4f | 203 | --*/\r |
204 | {\r | |
205 | EFI_STATUS Status;\r | |
206 | EFI_PCI_IO_PROTOCOL *PciIo;\r | |
207 | UINT64 Supports;\r | |
208 | UINT64 OriginalPciAttributes;\r | |
6a6d955c | 209 | BOOLEAN PciAttributesSaved;\r |
823f7d4f | 210 | \r |
211 | PciIo = NULL;\r | |
212 | Status = gBS->OpenProtocol (\r | |
213 | Controller,\r | |
214 | &gEfiPciIoProtocolGuid,\r | |
215 | (VOID **) &PciIo,\r | |
216 | This->DriverBindingHandle,\r | |
217 | Controller,\r | |
218 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
219 | );\r | |
220 | if (EFI_ERROR (Status)) {\r | |
221 | return Status;\r | |
222 | }\r | |
223 | \r | |
6a6d955c | 224 | PciAttributesSaved = FALSE;\r |
823f7d4f | 225 | //\r |
226 | // Save original PCI attributes\r | |
227 | //\r | |
228 | Status = PciIo->Attributes (\r | |
229 | PciIo,\r | |
230 | EfiPciIoAttributeOperationGet,\r | |
231 | 0,\r | |
232 | &OriginalPciAttributes\r | |
233 | );\r | |
234 | \r | |
235 | if (EFI_ERROR (Status)) {\r | |
6a6d955c | 236 | goto Done;\r |
823f7d4f | 237 | }\r |
6a6d955c | 238 | PciAttributesSaved = TRUE;\r |
823f7d4f | 239 | \r |
240 | Status = PciIo->Attributes (\r | |
241 | PciIo,\r | |
242 | EfiPciIoAttributeOperationSupported,\r | |
243 | 0,\r | |
244 | &Supports\r | |
245 | );\r | |
246 | if (!EFI_ERROR (Status)) {\r | |
247 | Supports &= (EFI_PCI_DEVICE_ENABLE |\r | |
248 | EFI_PCI_IO_ATTRIBUTE_IDE_PRIMARY_IO |\r | |
249 | EFI_PCI_IO_ATTRIBUTE_IDE_SECONDARY_IO);\r | |
250 | Status = PciIo->Attributes (\r | |
251 | PciIo,\r | |
252 | EfiPciIoAttributeOperationEnable,\r | |
253 | Supports,\r | |
254 | NULL\r | |
255 | );\r | |
256 | }\r | |
257 | if (EFI_ERROR (Status)) {\r | |
258 | goto Done;\r | |
259 | }\r | |
260 | \r | |
261 | //\r | |
262 | // Create SCSI Pass Thru instance for the IDE channel.\r | |
263 | //\r | |
264 | Status = RegisterAtapiScsiPassThru (This, Controller, PciIo, OriginalPciAttributes);\r | |
265 | \r | |
266 | Done:\r | |
267 | if (EFI_ERROR (Status)) {\r | |
6a6d955c | 268 | if (PciAttributesSaved == TRUE) {\r |
269 | //\r | |
270 | // Restore original PCI attributes\r | |
271 | //\r | |
272 | PciIo->Attributes (\r | |
273 | PciIo,\r | |
274 | EfiPciIoAttributeOperationSet,\r | |
275 | OriginalPciAttributes,\r | |
276 | NULL\r | |
277 | );\r | |
278 | }\r | |
823f7d4f | 279 | \r |
280 | gBS->CloseProtocol (\r | |
281 | Controller,\r | |
282 | &gEfiPciIoProtocolGuid,\r | |
283 | This->DriverBindingHandle,\r | |
284 | Controller\r | |
285 | );\r | |
286 | }\r | |
287 | \r | |
288 | return Status;\r | |
289 | }\r | |
290 | \r | |
291 | EFI_STATUS\r | |
292 | EFIAPI\r | |
293 | AtapiScsiPassThruDriverBindingStop (\r | |
294 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
295 | IN EFI_HANDLE Controller,\r | |
296 | IN UINTN NumberOfChildren,\r | |
297 | IN EFI_HANDLE *ChildHandleBuffer\r | |
298 | )\r | |
299 | /*++\r | |
6a6d955c | 300 | \r |
823f7d4f | 301 | Routine Description:\r |
302 | \r | |
303 | Stop this driver on ControllerHandle. Support stoping any child handles\r | |
304 | created by this driver.\r | |
305 | \r | |
306 | Arguments:\r | |
307 | \r | |
308 | This - Protocol instance pointer.\r | |
309 | Controller - Handle of device to stop driver on\r | |
310 | NumberOfChildren - Number of Children in the ChildHandleBuffer\r | |
311 | ChildHandleBuffer - List of handles for the children we need to stop.\r | |
6a6d955c | 312 | \r |
823f7d4f | 313 | Returns:\r |
314 | \r | |
315 | EFI_STATUS\r | |
6a6d955c | 316 | \r |
823f7d4f | 317 | --*/\r |
318 | {\r | |
319 | EFI_STATUS Status;\r | |
320 | EFI_SCSI_PASS_THRU_PROTOCOL *ScsiPassThru;\r | |
321 | EFI_EXT_SCSI_PASS_THRU_PROTOCOL *ExtScsiPassThru;\r | |
322 | ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate;\r | |
323 | \r | |
324 | if (FeaturePcdGet (PcdSupportScsiPassThru)) {\r | |
325 | Status = gBS->OpenProtocol (\r | |
326 | Controller,\r | |
327 | &gEfiScsiPassThruProtocolGuid,\r | |
328 | (VOID **) &ScsiPassThru,\r | |
329 | This->DriverBindingHandle,\r | |
330 | Controller,\r | |
331 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
332 | );\r | |
333 | if (EFI_ERROR (Status)) {\r | |
334 | return Status;\r | |
335 | }\r | |
336 | AtapiScsiPrivate = ATAPI_SCSI_PASS_THRU_DEV_FROM_THIS (ScsiPassThru);\r | |
337 | if (FeaturePcdGet (PcdSupportExtScsiPassThru)) {\r | |
338 | Status = gBS->UninstallMultipleProtocolInterfaces (\r | |
339 | Controller,\r | |
340 | &gEfiScsiPassThruProtocolGuid,\r | |
341 | &AtapiScsiPrivate->ScsiPassThru,\r | |
342 | &gEfiExtScsiPassThruProtocolGuid,\r | |
343 | &AtapiScsiPrivate->ExtScsiPassThru,\r | |
344 | NULL\r | |
345 | );\r | |
346 | } else {\r | |
347 | Status = gBS->UninstallMultipleProtocolInterfaces (\r | |
348 | Controller,\r | |
349 | &gEfiScsiPassThruProtocolGuid,\r | |
350 | &AtapiScsiPrivate->ScsiPassThru,\r | |
351 | NULL\r | |
352 | );\r | |
353 | }\r | |
354 | } else {\r | |
355 | Status = gBS->OpenProtocol (\r | |
356 | Controller,\r | |
357 | &gEfiExtScsiPassThruProtocolGuid,\r | |
358 | (VOID **) &ExtScsiPassThru,\r | |
359 | This->DriverBindingHandle,\r | |
360 | Controller,\r | |
361 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
362 | );\r | |
363 | if (EFI_ERROR (Status)) {\r | |
364 | return Status;\r | |
365 | }\r | |
366 | AtapiScsiPrivate = ATAPI_EXT_SCSI_PASS_THRU_DEV_FROM_THIS (ExtScsiPassThru);\r | |
367 | Status = gBS->UninstallMultipleProtocolInterfaces (\r | |
368 | Controller,\r | |
369 | &gEfiExtScsiPassThruProtocolGuid,\r | |
370 | &AtapiScsiPrivate->ExtScsiPassThru,\r | |
371 | NULL\r | |
372 | );\r | |
373 | }\r | |
374 | if (EFI_ERROR (Status)) {\r | |
375 | return Status;\r | |
376 | }\r | |
377 | \r | |
378 | //\r | |
379 | // Restore original PCI attributes\r | |
380 | //\r | |
381 | AtapiScsiPrivate->PciIo->Attributes (\r | |
382 | AtapiScsiPrivate->PciIo,\r | |
383 | EfiPciIoAttributeOperationSet,\r | |
384 | AtapiScsiPrivate->OriginalPciAttributes,\r | |
385 | NULL\r | |
386 | );\r | |
387 | \r | |
388 | gBS->CloseProtocol (\r | |
389 | Controller,\r | |
390 | &gEfiPciIoProtocolGuid,\r | |
391 | This->DriverBindingHandle,\r | |
392 | Controller\r | |
393 | );\r | |
394 | \r | |
395 | gBS->FreePool (AtapiScsiPrivate);\r | |
396 | \r | |
397 | return EFI_SUCCESS;\r | |
398 | }\r | |
399 | \r | |
400 | EFI_STATUS\r | |
401 | RegisterAtapiScsiPassThru (\r | |
402 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
403 | IN EFI_HANDLE Controller,\r | |
404 | IN EFI_PCI_IO_PROTOCOL *PciIo,\r | |
405 | IN UINT64 OriginalPciAttributes\r | |
406 | )\r | |
407 | /*++\r | |
6a6d955c | 408 | \r |
823f7d4f | 409 | Routine Description:\r |
410 | Attaches SCSI Pass Thru Protocol for specified IDE channel.\r | |
6a6d955c | 411 | \r |
823f7d4f | 412 | Arguments:\r |
413 | This - Protocol instance pointer.\r | |
6a6d955c | 414 | Controller - Parent device handle to the IDE channel.\r |
415 | PciIo - PCI I/O protocol attached on the "Controller".\r | |
416 | \r | |
823f7d4f | 417 | Returns:\r |
418 | Always return EFI_SUCCESS unless installing SCSI Pass Thru Protocol failed.\r | |
419 | \r | |
420 | --*/\r | |
421 | {\r | |
422 | EFI_STATUS Status;\r | |
423 | ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate;\r | |
424 | IDE_REGISTERS_BASE_ADDR IdeRegsBaseAddr[ATAPI_MAX_CHANNEL];\r | |
425 | \r | |
426 | AtapiScsiPrivate = AllocateZeroPool (sizeof (ATAPI_SCSI_PASS_THRU_DEV));\r | |
427 | if (AtapiScsiPrivate == NULL) {\r | |
428 | return EFI_OUT_OF_RESOURCES;\r | |
429 | }\r | |
430 | \r | |
431 | AtapiScsiPrivate->Signature = ATAPI_SCSI_PASS_THRU_DEV_SIGNATURE;\r | |
432 | AtapiScsiPrivate->Handle = Controller;\r | |
433 | \r | |
434 | //\r | |
435 | // will reset the IoPort inside each API function.\r | |
436 | //\r | |
437 | AtapiScsiPrivate->IoPort = NULL;\r | |
438 | AtapiScsiPrivate->PciIo = PciIo;\r | |
439 | AtapiScsiPrivate->OriginalPciAttributes = OriginalPciAttributes;\r | |
440 | \r | |
441 | //\r | |
442 | // Obtain IDE IO port registers' base addresses\r | |
443 | //\r | |
444 | Status = GetIdeRegistersBaseAddr (PciIo, IdeRegsBaseAddr);\r | |
445 | if (EFI_ERROR (Status)) {\r | |
446 | return Status;\r | |
447 | }\r | |
448 | \r | |
449 | InitAtapiIoPortRegisters(AtapiScsiPrivate, IdeRegsBaseAddr);\r | |
450 | \r | |
451 | //\r | |
452 | // Initialize the LatestTargetId to MAX_TARGET_ID.\r | |
453 | //\r | |
454 | AtapiScsiPrivate->LatestTargetId = MAX_TARGET_ID;\r | |
455 | AtapiScsiPrivate->LatestLun = 0;\r | |
456 | \r | |
457 | Status = InstallScsiPassThruProtocols (&Controller, AtapiScsiPrivate);\r | |
458 | \r | |
459 | return Status;\r | |
460 | }\r | |
461 | \r | |
462 | EFI_STATUS\r | |
463 | EFIAPI\r | |
464 | AtapiScsiPassThruFunction (\r | |
465 | IN EFI_SCSI_PASS_THRU_PROTOCOL *This,\r | |
466 | IN UINT32 Target,\r | |
467 | IN UINT64 Lun,\r | |
468 | IN OUT EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *Packet,\r | |
469 | IN EFI_EVENT Event OPTIONAL\r | |
470 | )\r | |
471 | /*++\r | |
472 | \r | |
473 | Routine Description:\r | |
474 | \r | |
475 | Implements EFI_SCSI_PASS_THRU_PROTOCOL.PassThru() function.\r | |
476 | \r | |
477 | Arguments:\r | |
478 | \r | |
479 | This: The EFI_SCSI_PASS_THRU_PROTOCOL instance.\r | |
6a6d955c | 480 | Target: The Target ID of the ATAPI device to send the SCSI\r |
823f7d4f | 481 | Request Packet. To ATAPI devices attached on an IDE\r |
482 | Channel, Target ID 0 indicates Master device;Target\r | |
483 | ID 1 indicates Slave device.\r | |
484 | Lun: The LUN of the ATAPI device to send the SCSI Request\r | |
485 | Packet. To the ATAPI device, Lun is always 0.\r | |
6a6d955c | 486 | Packet: The SCSI Request Packet to send to the ATAPI device\r |
823f7d4f | 487 | specified by Target and Lun.\r |
6a6d955c | 488 | Event: If non-blocking I/O is not supported then Event is ignored,\r |
823f7d4f | 489 | and blocking I/O is performed.\r |
490 | If Event is NULL, then blocking I/O is performed.\r | |
6a6d955c | 491 | If Event is not NULL and non blocking I/O is supported,\r |
492 | then non-blocking I/O is performed, and Event will be signaled\r | |
493 | when the SCSI Request Packet completes.\r | |
823f7d4f | 494 | \r |
6a6d955c | 495 | Returns:\r |
823f7d4f | 496 | \r |
497 | EFI_STATUS\r | |
6a6d955c | 498 | \r |
823f7d4f | 499 | --*/\r |
500 | {\r | |
501 | ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate;\r | |
502 | EFI_STATUS Status;\r | |
503 | \r | |
504 | AtapiScsiPrivate = ATAPI_SCSI_PASS_THRU_DEV_FROM_THIS (This);\r | |
505 | \r | |
506 | //\r | |
507 | // Target is not allowed beyond MAX_TARGET_ID\r | |
508 | //\r | |
509 | if ((Target > MAX_TARGET_ID) || (Lun != 0)) {\r | |
510 | return EFI_INVALID_PARAMETER;\r | |
511 | }\r | |
6a6d955c | 512 | \r |
823f7d4f | 513 | //\r |
514 | // check the data fields in Packet parameter.\r | |
515 | //\r | |
516 | Status = CheckSCSIRequestPacket (Packet);\r | |
517 | if (EFI_ERROR (Status)) {\r | |
518 | return Status;\r | |
519 | }\r | |
520 | \r | |
521 | //\r | |
522 | // If Request Packet targets at the IDE channel itself,\r | |
523 | // do nothing.\r | |
524 | //\r | |
525 | if (Target == This->Mode->AdapterId) {\r | |
526 | Packet->TransferLength = 0;\r | |
527 | return EFI_SUCCESS;\r | |
528 | }\r | |
529 | \r | |
530 | //\r | |
531 | // According to Target ID, reset the Atapi I/O Register mapping\r | |
532 | // (Target Id in [0,1] area, using AtapiIoPortRegisters[0],\r | |
533 | // Target Id in [2,3] area, using AtapiIoPortRegisters[1]\r | |
534 | //\r | |
535 | if ((Target / 2) == 0) {\r | |
536 | Target = Target % 2;\r | |
537 | AtapiScsiPrivate->IoPort = &AtapiScsiPrivate->AtapiIoPortRegisters[0];\r | |
538 | } else {\r | |
539 | Target = Target % 2;\r | |
540 | AtapiScsiPrivate->IoPort = &AtapiScsiPrivate->AtapiIoPortRegisters[1];\r | |
541 | }\r | |
542 | \r | |
543 | //\r | |
544 | // the ATAPI SCSI interface does not support non-blocking I/O\r | |
545 | // ignore the Event parameter\r | |
546 | //\r | |
547 | // Performs blocking I/O.\r | |
548 | //\r | |
549 | Status = SubmitBlockingIoCommand (AtapiScsiPrivate, Target, Packet);\r | |
550 | return Status;\r | |
551 | }\r | |
552 | \r | |
553 | EFI_STATUS\r | |
554 | EFIAPI\r | |
555 | AtapiScsiPassThruGetNextDevice (\r | |
556 | IN EFI_SCSI_PASS_THRU_PROTOCOL *This,\r | |
557 | IN OUT UINT32 *Target,\r | |
558 | IN OUT UINT64 *Lun\r | |
559 | )\r | |
560 | /*++\r | |
561 | \r | |
562 | Routine Description:\r | |
563 | \r | |
6a6d955c | 564 | Used to retrieve the list of legal Target IDs for SCSI devices\r |
823f7d4f | 565 | on a SCSI channel.\r |
566 | \r | |
567 | Arguments:\r | |
568 | \r | |
569 | This - Protocol instance pointer.\r | |
6a6d955c | 570 | Target - On input, a pointer to the Target ID of a SCSI\r |
571 | device present on the SCSI channel. On output,\r | |
823f7d4f | 572 | a pointer to the Target ID of the next SCSI device\r |
6a6d955c | 573 | present on a SCSI channel. An input value of\r |
574 | 0xFFFFFFFF retrieves the Target ID of the first\r | |
823f7d4f | 575 | SCSI device present on a SCSI channel.\r |
576 | Lun - On input, a pointer to the LUN of a SCSI device\r | |
577 | present on the SCSI channel. On output, a pointer\r | |
6a6d955c | 578 | to the LUN of the next SCSI device present on\r |
823f7d4f | 579 | a SCSI channel.\r |
580 | Returns:\r | |
581 | \r | |
6a6d955c | 582 | EFI_SUCCESS - The Target ID and Lun of the next SCSI device\r |
823f7d4f | 583 | on the SCSI channel was returned in Target and Lun.\r |
584 | EFI_NOT_FOUND - There are no more SCSI devices on this SCSI channel.\r | |
585 | EFI_INVALID_PARAMETER - Target is not 0xFFFFFFFF,and Target and Lun were not\r | |
586 | returned on a previous call to GetNextDevice().\r | |
587 | --*/\r | |
588 | {\r | |
589 | ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate;\r | |
590 | \r | |
591 | //\r | |
592 | // Retrieve Device Private Data Structure.\r | |
593 | //\r | |
594 | AtapiScsiPrivate = ATAPI_SCSI_PASS_THRU_DEV_FROM_THIS (This);\r | |
595 | \r | |
596 | //\r | |
597 | // Check whether Target is valid.\r | |
598 | //\r | |
599 | if (Target == NULL || Lun == NULL) {\r | |
600 | return EFI_INVALID_PARAMETER;\r | |
601 | }\r | |
602 | \r | |
603 | if ((*Target != 0xFFFFFFFF) &&\r | |
604 | ((*Target != AtapiScsiPrivate->LatestTargetId) ||\r | |
605 | (*Lun != AtapiScsiPrivate->LatestLun))) {\r | |
606 | return EFI_INVALID_PARAMETER;\r | |
607 | }\r | |
608 | \r | |
609 | if (*Target == MAX_TARGET_ID) {\r | |
610 | return EFI_NOT_FOUND;\r | |
611 | }\r | |
612 | \r | |
613 | if (*Target == 0xFFFFFFFF) {\r | |
614 | *Target = 0;\r | |
615 | } else {\r | |
616 | *Target = AtapiScsiPrivate->LatestTargetId + 1;\r | |
617 | }\r | |
618 | \r | |
619 | *Lun = 0;\r | |
620 | \r | |
621 | //\r | |
622 | // Update the LatestTargetId.\r | |
623 | //\r | |
624 | AtapiScsiPrivate->LatestTargetId = *Target;\r | |
625 | AtapiScsiPrivate->LatestLun = *Lun;\r | |
626 | \r | |
627 | return EFI_SUCCESS;\r | |
628 | \r | |
629 | }\r | |
630 | \r | |
631 | EFI_STATUS\r | |
632 | EFIAPI\r | |
633 | AtapiScsiPassThruBuildDevicePath (\r | |
634 | IN EFI_SCSI_PASS_THRU_PROTOCOL *This,\r | |
635 | IN UINT32 Target,\r | |
636 | IN UINT64 Lun,\r | |
637 | IN OUT EFI_DEVICE_PATH_PROTOCOL **DevicePath\r | |
638 | )\r | |
639 | /*++\r | |
640 | \r | |
641 | Routine Description:\r | |
642 | \r | |
6a6d955c | 643 | Used to allocate and build a device path node for a SCSI device\r |
823f7d4f | 644 | on a SCSI channel. Would not build device path for a SCSI Host Controller.\r |
645 | \r | |
646 | Arguments:\r | |
647 | \r | |
648 | This - Protocol instance pointer.\r | |
649 | Target - The Target ID of the SCSI device for which\r | |
650 | a device path node is to be allocated and built.\r | |
6a6d955c | 651 | Lun - The LUN of the SCSI device for which a device\r |
823f7d4f | 652 | path node is to be allocated and built.\r |
6a6d955c | 653 | DevicePath - A pointer to a single device path node that\r |
654 | describes the SCSI device specified by\r | |
655 | Target and Lun. This function is responsible\r | |
823f7d4f | 656 | for allocating the buffer DevicePath with the boot\r |
6a6d955c | 657 | service AllocatePool(). It is the caller's\r |
823f7d4f | 658 | responsibility to free DevicePath when the caller\r |
6a6d955c | 659 | is finished with DevicePath.\r |
823f7d4f | 660 | Returns:\r |
661 | EFI_SUCCESS - The device path node that describes the SCSI device\r | |
6a6d955c | 662 | specified by Target and Lun was allocated and\r |
823f7d4f | 663 | returned in DevicePath.\r |
664 | EFI_NOT_FOUND - The SCSI devices specified by Target and Lun does\r | |
665 | not exist on the SCSI channel.\r | |
666 | EFI_INVALID_PARAMETER - DevicePath is NULL.\r | |
6a6d955c | 667 | EFI_OUT_OF_RESOURCES - There are not enough resources to allocate\r |
823f7d4f | 668 | DevicePath.\r |
669 | --*/\r | |
670 | {\r | |
671 | EFI_DEV_PATH *Node;\r | |
672 | \r | |
673 | \r | |
674 | //\r | |
675 | // Validate parameters passed in.\r | |
676 | //\r | |
677 | \r | |
678 | if (DevicePath == NULL) {\r | |
679 | return EFI_INVALID_PARAMETER;\r | |
680 | }\r | |
681 | \r | |
682 | //\r | |
683 | // can not build device path for the SCSI Host Controller.\r | |
684 | //\r | |
685 | if ((Target > (MAX_TARGET_ID - 1)) || (Lun != 0)) {\r | |
686 | return EFI_NOT_FOUND;\r | |
687 | }\r | |
688 | \r | |
689 | Node = AllocateZeroPool (sizeof (EFI_DEV_PATH));\r | |
690 | if (Node == NULL) {\r | |
691 | return EFI_OUT_OF_RESOURCES;\r | |
692 | }\r | |
693 | \r | |
694 | Node->DevPath.Type = MESSAGING_DEVICE_PATH;\r | |
695 | Node->DevPath.SubType = MSG_ATAPI_DP;\r | |
696 | SetDevicePathNodeLength (&Node->DevPath, sizeof (ATAPI_DEVICE_PATH));\r | |
697 | \r | |
698 | Node->Atapi.PrimarySecondary = (UINT8) (Target / 2);\r | |
699 | Node->Atapi.SlaveMaster = (UINT8) (Target % 2);\r | |
700 | Node->Atapi.Lun = (UINT16) Lun;\r | |
701 | \r | |
702 | *DevicePath = (EFI_DEVICE_PATH_PROTOCOL *) Node;\r | |
703 | \r | |
704 | return EFI_SUCCESS;\r | |
705 | }\r | |
706 | \r | |
707 | EFI_STATUS\r | |
708 | EFIAPI\r | |
709 | AtapiScsiPassThruGetTargetLun (\r | |
710 | IN EFI_SCSI_PASS_THRU_PROTOCOL *This,\r | |
711 | IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,\r | |
712 | OUT UINT32 *Target,\r | |
713 | OUT UINT64 *Lun\r | |
714 | )\r | |
715 | /*++\r | |
716 | \r | |
717 | Routine Description:\r | |
718 | \r | |
719 | Used to translate a device path node to a Target ID and LUN.\r | |
720 | \r | |
721 | Arguments:\r | |
722 | \r | |
723 | This - Protocol instance pointer.\r | |
6a6d955c | 724 | DevicePath - A pointer to the device path node that\r |
823f7d4f | 725 | describes a SCSI device on the SCSI channel.\r |
6a6d955c | 726 | Target - A pointer to the Target ID of a SCSI device\r |
727 | on the SCSI channel.\r | |
728 | Lun - A pointer to the LUN of a SCSI device on\r | |
729 | the SCSI channel.\r | |
823f7d4f | 730 | Returns:\r |
731 | \r | |
6a6d955c | 732 | EFI_SUCCESS - DevicePath was successfully translated to a\r |
733 | Target ID and LUN, and they were returned\r | |
823f7d4f | 734 | in Target and Lun.\r |
735 | EFI_INVALID_PARAMETER - DevicePath/Target/Lun is NULL.\r | |
6a6d955c | 736 | EFI_UNSUPPORTED - This driver does not support the device path\r |
823f7d4f | 737 | node type in DevicePath.\r |
6a6d955c | 738 | EFI_NOT_FOUND - A valid translation from DevicePath to a\r |
823f7d4f | 739 | Target ID and LUN does not exist.\r |
740 | --*/\r | |
741 | {\r | |
742 | EFI_DEV_PATH *Node;\r | |
743 | \r | |
744 | //\r | |
745 | // Validate parameters passed in.\r | |
746 | //\r | |
747 | if (DevicePath == NULL || Target == NULL || Lun == NULL) {\r | |
748 | return EFI_INVALID_PARAMETER;\r | |
749 | }\r | |
750 | \r | |
751 | //\r | |
752 | // Check whether the DevicePath belongs to SCSI_DEVICE_PATH\r | |
753 | //\r | |
754 | if ((DevicePath->Type != MESSAGING_DEVICE_PATH) ||\r | |
755 | (DevicePath->SubType != MSG_ATAPI_DP) ||\r | |
756 | (DevicePathNodeLength(DevicePath) != sizeof(ATAPI_DEVICE_PATH))) {\r | |
757 | return EFI_UNSUPPORTED;\r | |
758 | }\r | |
759 | \r | |
760 | Node = (EFI_DEV_PATH *) DevicePath;\r | |
761 | \r | |
762 | *Target = Node->Atapi.PrimarySecondary * 2 + Node->Atapi.SlaveMaster;\r | |
763 | *Lun = Node->Atapi.Lun;\r | |
764 | \r | |
765 | if (*Target > (MAX_TARGET_ID - 1) || *Lun != 0) {\r | |
766 | return EFI_NOT_FOUND;\r | |
767 | }\r | |
768 | \r | |
769 | return EFI_SUCCESS;\r | |
770 | }\r | |
771 | \r | |
772 | EFI_STATUS\r | |
773 | EFIAPI\r | |
774 | AtapiScsiPassThruResetChannel (\r | |
775 | IN EFI_SCSI_PASS_THRU_PROTOCOL *This\r | |
776 | )\r | |
777 | /*++\r | |
778 | \r | |
779 | Routine Description:\r | |
780 | \r | |
6a6d955c | 781 | Resets a SCSI channel.This operation resets all the\r |
823f7d4f | 782 | SCSI devices connected to the SCSI channel.\r |
783 | \r | |
784 | Arguments:\r | |
785 | \r | |
786 | This - Protocol instance pointer.\r | |
787 | \r | |
788 | Returns:\r | |
789 | \r | |
790 | EFI_SUCCESS - The SCSI channel was reset.\r | |
6a6d955c | 791 | EFI_UNSUPPORTED - The SCSI channel does not support\r |
823f7d4f | 792 | a channel reset operation.\r |
6a6d955c | 793 | EFI_DEVICE_ERROR - A device error occurred while\r |
823f7d4f | 794 | attempting to reset the SCSI channel.\r |
6a6d955c | 795 | EFI_TIMEOUT - A timeout occurred while attempting\r |
823f7d4f | 796 | to reset the SCSI channel.\r |
797 | --*/\r | |
798 | {\r | |
799 | UINT8 DeviceControlValue;\r | |
800 | ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate;\r | |
801 | UINT8 Index;\r | |
802 | BOOLEAN ResetFlag;\r | |
803 | \r | |
804 | AtapiScsiPrivate = ATAPI_SCSI_PASS_THRU_DEV_FROM_THIS (This);\r | |
805 | ResetFlag = FALSE;\r | |
806 | \r | |
807 | //\r | |
808 | // Reset both Primary channel and Secondary channel.\r | |
809 | // so, the IoPort pointer must point to the right I/O Register group\r | |
810 | //\r | |
811 | for (Index = 0; Index < 2; Index++) {\r | |
812 | //\r | |
813 | // Reset\r | |
814 | //\r | |
815 | AtapiScsiPrivate->IoPort = &AtapiScsiPrivate->AtapiIoPortRegisters[Index];\r | |
816 | \r | |
817 | DeviceControlValue = 0;\r | |
818 | //\r | |
819 | // set SRST bit to initiate soft reset\r | |
820 | //\r | |
821 | DeviceControlValue |= SRST;\r | |
822 | //\r | |
823 | // disable Interrupt\r | |
824 | //\r | |
5781db08 | 825 | DeviceControlValue |= BIT1;\r |
823f7d4f | 826 | WritePortB (\r |
827 | AtapiScsiPrivate->PciIo,\r | |
828 | AtapiScsiPrivate->IoPort->Alt.DeviceControl,\r | |
829 | DeviceControlValue\r | |
830 | );\r | |
831 | \r | |
832 | //\r | |
833 | // Wait 10us\r | |
834 | //\r | |
835 | gBS->Stall (10);\r | |
836 | \r | |
837 | //\r | |
838 | // Clear SRST bit\r | |
839 | // 0xfb:1111,1011\r | |
840 | //\r | |
841 | DeviceControlValue &= 0xfb;\r | |
842 | \r | |
843 | WritePortB (AtapiScsiPrivate->PciIo, AtapiScsiPrivate->IoPort->Alt.DeviceControl, DeviceControlValue);\r | |
844 | \r | |
845 | //\r | |
846 | // slave device needs at most 31s to clear BSY\r | |
847 | //\r | |
848 | if (StatusWaitForBSYClear (AtapiScsiPrivate, 31000000) != EFI_TIMEOUT) {\r | |
849 | ResetFlag = TRUE;\r | |
850 | }\r | |
851 | }\r | |
852 | \r | |
853 | if (ResetFlag) {\r | |
854 | return EFI_SUCCESS;\r | |
855 | }\r | |
856 | \r | |
857 | return EFI_TIMEOUT;\r | |
858 | }\r | |
859 | \r | |
860 | EFI_STATUS\r | |
861 | EFIAPI\r | |
862 | AtapiScsiPassThruResetTarget (\r | |
863 | IN EFI_SCSI_PASS_THRU_PROTOCOL *This,\r | |
864 | IN UINT32 Target,\r | |
865 | IN UINT64 Lun\r | |
866 | )\r | |
867 | /*++\r | |
868 | \r | |
869 | Routine Description:\r | |
870 | \r | |
871 | Resets a SCSI device that is connected to a SCSI channel.\r | |
872 | \r | |
873 | Arguments:\r | |
874 | \r | |
875 | This - Protocol instance pointer.\r | |
6a6d955c | 876 | Target - The Target ID of the SCSI device to reset.\r |
823f7d4f | 877 | Lun - The LUN of the SCSI device to reset.\r |
6a6d955c | 878 | \r |
823f7d4f | 879 | Returns:\r |
880 | \r | |
6a6d955c | 881 | EFI_SUCCESS - The SCSI device specified by Target and\r |
823f7d4f | 882 | Lun was reset.\r |
883 | EFI_UNSUPPORTED - The SCSI channel does not support a target\r | |
884 | reset operation.\r | |
885 | EFI_INVALID_PARAMETER - Target or Lun are invalid.\r | |
6a6d955c | 886 | EFI_DEVICE_ERROR - A device error occurred while attempting\r |
887 | to reset the SCSI device specified by Target\r | |
823f7d4f | 888 | and Lun.\r |
6a6d955c | 889 | EFI_TIMEOUT - A timeout occurred while attempting to reset\r |
823f7d4f | 890 | the SCSI device specified by Target and Lun.\r |
891 | --*/\r | |
892 | {\r | |
893 | ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate;\r | |
894 | UINT8 Command;\r | |
895 | UINT8 DeviceSelect;\r | |
896 | \r | |
897 | AtapiScsiPrivate = ATAPI_SCSI_PASS_THRU_DEV_FROM_THIS (This);\r | |
898 | \r | |
899 | if ((Target > MAX_TARGET_ID) || (Lun != 0)) {\r | |
900 | return EFI_INVALID_PARAMETER;\r | |
901 | }\r | |
902 | //\r | |
903 | // Directly return EFI_SUCCESS if want to reset the host controller\r | |
904 | //\r | |
905 | if (Target == This->Mode->AdapterId) {\r | |
906 | return EFI_SUCCESS;\r | |
907 | }\r | |
908 | \r | |
909 | //\r | |
910 | // According to Target ID, reset the Atapi I/O Register mapping\r | |
911 | // (Target Id in [0,1] area, using AtapiIoPortRegisters[0],\r | |
912 | // Target Id in [2,3] area, using AtapiIoPortRegisters[1]\r | |
913 | //\r | |
914 | if ((Target / 2) == 0) {\r | |
915 | AtapiScsiPrivate->IoPort = &AtapiScsiPrivate->AtapiIoPortRegisters[0];\r | |
916 | } else {\r | |
917 | AtapiScsiPrivate->IoPort = &AtapiScsiPrivate->AtapiIoPortRegisters[1];\r | |
918 | }\r | |
919 | \r | |
920 | //\r | |
921 | // for ATAPI device, no need to wait DRDY ready after device selecting.\r | |
922 | //\r | |
923 | // bit7 and bit5 are both set to 1 for backward compatibility\r | |
924 | //\r | |
5781db08 | 925 | DeviceSelect = (UINT8) (((BIT7 | BIT5) | (Target << 4)));\r |
823f7d4f | 926 | WritePortB (AtapiScsiPrivate->PciIo, AtapiScsiPrivate->IoPort->Head, DeviceSelect);\r |
927 | \r | |
928 | Command = ATAPI_SOFT_RESET_CMD;\r | |
929 | WritePortB (AtapiScsiPrivate->PciIo, AtapiScsiPrivate->IoPort->Reg.Command, Command);\r | |
930 | \r | |
931 | //\r | |
932 | // BSY clear is the only status return to the host by the device\r | |
933 | // when reset is complete.\r | |
934 | // slave device needs at most 31s to clear BSY\r | |
935 | //\r | |
936 | if (EFI_ERROR (StatusWaitForBSYClear (AtapiScsiPrivate, 31000000))) {\r | |
937 | return EFI_TIMEOUT;\r | |
938 | }\r | |
939 | \r | |
940 | //\r | |
941 | // stall 5 seconds to make the device status stable\r | |
942 | //\r | |
943 | gBS->Stall (5000000);\r | |
944 | \r | |
945 | return EFI_SUCCESS;\r | |
946 | }\r | |
947 | \r | |
948 | EFI_STATUS\r | |
949 | EFIAPI\r | |
950 | AtapiExtScsiPassThruFunction (\r | |
951 | IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This,\r | |
952 | IN UINT8 *Target,\r | |
953 | IN UINT64 Lun,\r | |
954 | IN OUT EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *Packet,\r | |
955 | IN EFI_EVENT Event OPTIONAL\r | |
956 | )\r | |
957 | /*++\r | |
958 | \r | |
959 | Routine Description:\r | |
960 | \r | |
961 | Implements EFI_EXT_SCSI_PASS_THRU_PROTOCOL.PassThru() function.\r | |
962 | \r | |
963 | Arguments:\r | |
964 | \r | |
965 | This: The EFI_EXT_SCSI_PASS_THRU_PROTOCOL instance.\r | |
6a6d955c | 966 | Target: The Target ID of the ATAPI device to send the SCSI\r |
823f7d4f | 967 | Request Packet. To ATAPI devices attached on an IDE\r |
968 | Channel, Target ID 0 indicates Master device;Target\r | |
969 | ID 1 indicates Slave device.\r | |
970 | Lun: The LUN of the ATAPI device to send the SCSI Request\r | |
971 | Packet. To the ATAPI device, Lun is always 0.\r | |
6a6d955c | 972 | Packet: The SCSI Request Packet to send to the ATAPI device\r |
823f7d4f | 973 | specified by Target and Lun.\r |
6a6d955c | 974 | Event: If non-blocking I/O is not supported then Event is ignored,\r |
823f7d4f | 975 | and blocking I/O is performed.\r |
976 | If Event is NULL, then blocking I/O is performed.\r | |
6a6d955c | 977 | If Event is not NULL and non blocking I/O is supported,\r |
978 | then non-blocking I/O is performed, and Event will be signaled\r | |
979 | when the SCSI Request Packet completes.\r | |
823f7d4f | 980 | \r |
6a6d955c | 981 | Returns:\r |
823f7d4f | 982 | \r |
983 | EFI_STATUS\r | |
6a6d955c | 984 | \r |
823f7d4f | 985 | --*/\r |
986 | {\r | |
987 | EFI_STATUS Status;\r | |
988 | ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate;\r | |
989 | UINT8 TargetId;\r | |
6a6d955c | 990 | \r |
823f7d4f | 991 | AtapiScsiPrivate = ATAPI_EXT_SCSI_PASS_THRU_DEV_FROM_THIS (This);\r |
992 | \r | |
993 | //\r | |
994 | // For ATAPI device, UINT8 is enough to represent the SCSI ID on channel.\r | |
995 | //\r | |
996 | TargetId = Target[0];\r | |
6a6d955c | 997 | \r |
823f7d4f | 998 | //\r |
999 | // Target is not allowed beyond MAX_TARGET_ID\r | |
1000 | //\r | |
1001 | if ((TargetId > MAX_TARGET_ID) || (Lun != 0)) {\r | |
1002 | return EFI_INVALID_PARAMETER;\r | |
1003 | }\r | |
6a6d955c | 1004 | \r |
823f7d4f | 1005 | //\r |
1006 | // check the data fields in Packet parameter.\r | |
1007 | //\r | |
1008 | Status = CheckExtSCSIRequestPacket (Packet);\r | |
1009 | if (EFI_ERROR (Status)) {\r | |
1010 | return Status;\r | |
1011 | }\r | |
1012 | \r | |
1013 | //\r | |
1014 | // If Request Packet targets at the IDE channel itself,\r | |
1015 | // do nothing.\r | |
1016 | //\r | |
1017 | if (TargetId == (UINT8)This->Mode->AdapterId) {\r | |
1018 | Packet->InTransferLength = Packet->OutTransferLength = 0;\r | |
1019 | return EFI_SUCCESS;\r | |
1020 | }\r | |
6a6d955c | 1021 | \r |
823f7d4f | 1022 | //\r |
1023 | // According to Target ID, reset the Atapi I/O Register mapping\r | |
1024 | // (Target Id in [0,1] area, using AtapiIoPortRegisters[0],\r | |
1025 | // Target Id in [2,3] area, using AtapiIoPortRegisters[1]\r | |
1026 | //\r | |
1027 | if ((TargetId / 2) == 0) {\r | |
1028 | TargetId = (UINT8) (TargetId % 2);\r | |
1029 | AtapiScsiPrivate->IoPort = &AtapiScsiPrivate->AtapiIoPortRegisters[0];\r | |
1030 | } else {\r | |
1031 | TargetId = (UINT8) (TargetId % 2);\r | |
1032 | AtapiScsiPrivate->IoPort = &AtapiScsiPrivate->AtapiIoPortRegisters[1];\r | |
1033 | }\r | |
6a6d955c | 1034 | \r |
823f7d4f | 1035 | //\r |
1036 | // the ATAPI SCSI interface does not support non-blocking I/O\r | |
1037 | // ignore the Event parameter\r | |
1038 | //\r | |
1039 | // Performs blocking I/O.\r | |
1040 | //\r | |
1041 | Status = SubmitExtBlockingIoCommand (AtapiScsiPrivate, TargetId, Packet);\r | |
1042 | return Status;\r | |
1043 | }\r | |
1044 | \r | |
1045 | EFI_STATUS\r | |
1046 | EFIAPI\r | |
1047 | AtapiExtScsiPassThruGetNextTargetLun (\r | |
1048 | IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This,\r | |
1049 | IN OUT UINT8 **Target,\r | |
1050 | IN OUT UINT64 *Lun\r | |
1051 | )\r | |
1052 | /*++\r | |
1053 | \r | |
1054 | Routine Description:\r | |
1055 | \r | |
6a6d955c | 1056 | Used to retrieve the list of legal Target IDs for SCSI devices\r |
823f7d4f | 1057 | on a SCSI channel.\r |
1058 | \r | |
1059 | Arguments:\r | |
1060 | \r | |
1061 | This - Protocol instance pointer.\r | |
6a6d955c | 1062 | Target - On input, a pointer to the Target ID of a SCSI\r |
1063 | device present on the SCSI channel. On output,\r | |
823f7d4f | 1064 | a pointer to the Target ID of the next SCSI device\r |
6a6d955c | 1065 | present on a SCSI channel. An input value of\r |
1066 | 0xFFFFFFFF retrieves the Target ID of the first\r | |
823f7d4f | 1067 | SCSI device present on a SCSI channel.\r |
1068 | Lun - On input, a pointer to the LUN of a SCSI device\r | |
1069 | present on the SCSI channel. On output, a pointer\r | |
6a6d955c | 1070 | to the LUN of the next SCSI device present on\r |
823f7d4f | 1071 | a SCSI channel.\r |
1072 | Returns:\r | |
1073 | \r | |
6a6d955c | 1074 | EFI_SUCCESS - The Target ID and Lun of the next SCSI device\r |
823f7d4f | 1075 | on the SCSI channel was returned in Target and Lun.\r |
1076 | EFI_NOT_FOUND - There are no more SCSI devices on this SCSI channel.\r | |
1077 | EFI_INVALID_PARAMETER - Target is not 0xFFFFFFFF,and Target and Lun were not\r | |
1078 | returned on a previous call to GetNextDevice().\r | |
1079 | --*/\r | |
1080 | {\r | |
1081 | UINT8 ByteIndex;\r | |
1082 | UINT8 TargetId;\r | |
1083 | UINT8 ScsiId[TARGET_MAX_BYTES];\r | |
6a6d955c | 1084 | ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate;\r |
823f7d4f | 1085 | \r |
1086 | //\r | |
1087 | // Retrieve Device Private Data Structure.\r | |
1088 | //\r | |
1089 | AtapiScsiPrivate = ATAPI_EXT_SCSI_PASS_THRU_DEV_FROM_THIS (This);\r | |
1090 | \r | |
1091 | //\r | |
1092 | // Check whether Target is valid.\r | |
1093 | //\r | |
1094 | if (*Target == NULL || Lun == NULL) {\r | |
1095 | return EFI_INVALID_PARAMETER;\r | |
1096 | }\r | |
1097 | \r | |
1098 | SetMem (ScsiId, TARGET_MAX_BYTES, 0xFF);\r | |
1099 | \r | |
1100 | TargetId = (*Target)[0];\r | |
1101 | \r | |
1102 | //\r | |
1103 | // For ATAPI device, we use UINT8 to represent the SCSI ID on channel.\r | |
1104 | //\r | |
1105 | if (CompareMem(*Target, ScsiId, TARGET_MAX_BYTES) != 0) {\r | |
1106 | for (ByteIndex = 1; ByteIndex < TARGET_MAX_BYTES; ByteIndex++) {\r | |
1107 | if ((*Target)[ByteIndex] != 0) {\r | |
1108 | return EFI_INVALID_PARAMETER;\r | |
1109 | }\r | |
6a6d955c | 1110 | }\r |
823f7d4f | 1111 | }\r |
6a6d955c | 1112 | \r |
823f7d4f | 1113 | if ((CompareMem(*Target, ScsiId, TARGET_MAX_BYTES) != 0) &&\r |
1114 | ((TargetId != AtapiScsiPrivate->LatestTargetId) ||\r | |
1115 | (*Lun != AtapiScsiPrivate->LatestLun))) {\r | |
1116 | return EFI_INVALID_PARAMETER;\r | |
1117 | }\r | |
1118 | \r | |
1119 | if (TargetId == MAX_TARGET_ID) {\r | |
1120 | return EFI_NOT_FOUND;\r | |
1121 | }\r | |
1122 | \r | |
1123 | if (CompareMem(*Target, ScsiId, TARGET_MAX_BYTES) == 0) {\r | |
1124 | SetMem (*Target, TARGET_MAX_BYTES,0);\r | |
1125 | } else {\r | |
1126 | (*Target)[0] = (UINT8) (AtapiScsiPrivate->LatestTargetId + 1);\r | |
1127 | }\r | |
1128 | \r | |
1129 | *Lun = 0;\r | |
1130 | \r | |
1131 | //\r | |
1132 | // Update the LatestTargetId.\r | |
1133 | //\r | |
1134 | AtapiScsiPrivate->LatestTargetId = (*Target)[0];\r | |
1135 | AtapiScsiPrivate->LatestLun = *Lun;\r | |
1136 | \r | |
1137 | return EFI_SUCCESS;\r | |
1138 | \r | |
1139 | }\r | |
1140 | \r | |
1141 | EFI_STATUS\r | |
1142 | EFIAPI\r | |
1143 | AtapiExtScsiPassThruBuildDevicePath (\r | |
1144 | IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This,\r | |
1145 | IN UINT8 *Target,\r | |
1146 | IN UINT64 Lun,\r | |
1147 | IN OUT EFI_DEVICE_PATH_PROTOCOL **DevicePath\r | |
1148 | )\r | |
1149 | /*++\r | |
1150 | \r | |
1151 | Routine Description:\r | |
1152 | \r | |
6a6d955c | 1153 | Used to allocate and build a device path node for a SCSI device\r |
823f7d4f | 1154 | on a SCSI channel. Would not build device path for a SCSI Host Controller.\r |
1155 | \r | |
1156 | Arguments:\r | |
1157 | \r | |
1158 | This - Protocol instance pointer.\r | |
1159 | Target - The Target ID of the SCSI device for which\r | |
1160 | a device path node is to be allocated and built.\r | |
6a6d955c | 1161 | Lun - The LUN of the SCSI device for which a device\r |
823f7d4f | 1162 | path node is to be allocated and built.\r |
6a6d955c | 1163 | DevicePath - A pointer to a single device path node that\r |
1164 | describes the SCSI device specified by\r | |
1165 | Target and Lun. This function is responsible\r | |
823f7d4f | 1166 | for allocating the buffer DevicePath with the boot\r |
6a6d955c | 1167 | service AllocatePool(). It is the caller's\r |
823f7d4f | 1168 | responsibility to free DevicePath when the caller\r |
6a6d955c | 1169 | is finished with DevicePath.\r |
823f7d4f | 1170 | Returns:\r |
1171 | EFI_SUCCESS - The device path node that describes the SCSI device\r | |
6a6d955c | 1172 | specified by Target and Lun was allocated and\r |
823f7d4f | 1173 | returned in DevicePath.\r |
1174 | EFI_NOT_FOUND - The SCSI devices specified by Target and Lun does\r | |
1175 | not exist on the SCSI channel.\r | |
1176 | EFI_INVALID_PARAMETER - DevicePath is NULL.\r | |
6a6d955c | 1177 | EFI_OUT_OF_RESOURCES - There are not enough resources to allocate\r |
823f7d4f | 1178 | DevicePath.\r |
1179 | --*/\r | |
1180 | {\r | |
1181 | EFI_DEV_PATH *Node;\r | |
1182 | UINT8 TargetId;\r | |
1183 | \r | |
6a6d955c | 1184 | TargetId = Target[0];\r |
823f7d4f | 1185 | \r |
1186 | //\r | |
1187 | // Validate parameters passed in.\r | |
1188 | //\r | |
6a6d955c | 1189 | \r |
823f7d4f | 1190 | if (DevicePath == NULL) {\r |
1191 | return EFI_INVALID_PARAMETER;\r | |
1192 | }\r | |
6a6d955c | 1193 | \r |
823f7d4f | 1194 | //\r |
1195 | // can not build device path for the SCSI Host Controller.\r | |
1196 | //\r | |
1197 | if ((TargetId > (MAX_TARGET_ID - 1)) || (Lun != 0)) {\r | |
1198 | return EFI_NOT_FOUND;\r | |
1199 | }\r | |
1200 | \r | |
1201 | Node = AllocateZeroPool (sizeof (EFI_DEV_PATH));\r | |
1202 | if (Node == NULL) {\r | |
1203 | return EFI_OUT_OF_RESOURCES;\r | |
1204 | }\r | |
1205 | \r | |
1206 | Node->DevPath.Type = MESSAGING_DEVICE_PATH;\r | |
1207 | Node->DevPath.SubType = MSG_ATAPI_DP;\r | |
1208 | SetDevicePathNodeLength (&Node->DevPath, sizeof (ATAPI_DEVICE_PATH));\r | |
1209 | \r | |
1210 | Node->Atapi.PrimarySecondary = (UINT8) (TargetId / 2);\r | |
1211 | Node->Atapi.SlaveMaster = (UINT8) (TargetId % 2);\r | |
1212 | Node->Atapi.Lun = (UINT16) Lun;\r | |
1213 | \r | |
1214 | *DevicePath = (EFI_DEVICE_PATH_PROTOCOL *) Node;\r | |
1215 | \r | |
1216 | return EFI_SUCCESS;\r | |
1217 | }\r | |
1218 | \r | |
1219 | EFI_STATUS\r | |
1220 | EFIAPI\r | |
1221 | AtapiExtScsiPassThruGetTargetLun (\r | |
1222 | IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This,\r | |
1223 | IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,\r | |
1224 | OUT UINT8 **Target,\r | |
1225 | OUT UINT64 *Lun\r | |
1226 | )\r | |
1227 | /*++\r | |
1228 | \r | |
1229 | Routine Description:\r | |
1230 | \r | |
1231 | Used to translate a device path node to a Target ID and LUN.\r | |
1232 | \r | |
1233 | Arguments:\r | |
1234 | \r | |
1235 | This - Protocol instance pointer.\r | |
6a6d955c | 1236 | DevicePath - A pointer to the device path node that\r |
823f7d4f | 1237 | describes a SCSI device on the SCSI channel.\r |
6a6d955c | 1238 | Target - A pointer to the Target ID of a SCSI device\r |
1239 | on the SCSI channel.\r | |
1240 | Lun - A pointer to the LUN of a SCSI device on\r | |
1241 | the SCSI channel.\r | |
823f7d4f | 1242 | Returns:\r |
1243 | \r | |
6a6d955c | 1244 | EFI_SUCCESS - DevicePath was successfully translated to a\r |
1245 | Target ID and LUN, and they were returned\r | |
823f7d4f | 1246 | in Target and Lun.\r |
1247 | EFI_INVALID_PARAMETER - DevicePath/Target/Lun is NULL.\r | |
6a6d955c | 1248 | EFI_UNSUPPORTED - This driver does not support the device path\r |
823f7d4f | 1249 | node type in DevicePath.\r |
6a6d955c | 1250 | EFI_NOT_FOUND - A valid translation from DevicePath to a\r |
823f7d4f | 1251 | Target ID and LUN does not exist.\r |
1252 | --*/\r | |
1253 | {\r | |
1254 | EFI_DEV_PATH *Node;\r | |
1255 | \r | |
1256 | //\r | |
1257 | // Validate parameters passed in.\r | |
1258 | //\r | |
1259 | if (DevicePath == NULL || Target == NULL || Lun == NULL) {\r | |
1260 | return EFI_INVALID_PARAMETER;\r | |
1261 | }\r | |
6a6d955c | 1262 | \r |
823f7d4f | 1263 | //\r |
1264 | // Check whether the DevicePath belongs to SCSI_DEVICE_PATH\r | |
1265 | //\r | |
1266 | if ((DevicePath->Type != MESSAGING_DEVICE_PATH) ||\r | |
1267 | (DevicePath->SubType != MSG_ATAPI_DP) ||\r | |
1268 | (DevicePathNodeLength(DevicePath) != sizeof(ATAPI_DEVICE_PATH))) {\r | |
1269 | return EFI_UNSUPPORTED;\r | |
1270 | }\r | |
1271 | \r | |
1272 | ZeroMem (*Target, TARGET_MAX_BYTES);\r | |
1273 | \r | |
1274 | Node = (EFI_DEV_PATH *) DevicePath;\r | |
1275 | \r | |
1276 | (*Target)[0] = (UINT8) (Node->Atapi.PrimarySecondary * 2 + Node->Atapi.SlaveMaster);\r | |
1277 | *Lun = Node->Atapi.Lun;\r | |
1278 | \r | |
1279 | if ((*Target)[0] > (MAX_TARGET_ID - 1) || *Lun != 0) {\r | |
1280 | return EFI_NOT_FOUND;\r | |
1281 | }\r | |
1282 | \r | |
1283 | return EFI_SUCCESS;\r | |
1284 | }\r | |
1285 | \r | |
1286 | EFI_STATUS\r | |
1287 | EFIAPI\r | |
1288 | AtapiExtScsiPassThruResetChannel (\r | |
1289 | IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This\r | |
1290 | )\r | |
1291 | /*++\r | |
1292 | \r | |
1293 | Routine Description:\r | |
1294 | \r | |
6a6d955c | 1295 | Resets a SCSI channel.This operation resets all the\r |
823f7d4f | 1296 | SCSI devices connected to the SCSI channel.\r |
1297 | \r | |
1298 | Arguments:\r | |
1299 | \r | |
1300 | This - Protocol instance pointer.\r | |
1301 | \r | |
1302 | Returns:\r | |
1303 | \r | |
1304 | EFI_SUCCESS - The SCSI channel was reset.\r | |
6a6d955c | 1305 | EFI_UNSUPPORTED - The SCSI channel does not support\r |
823f7d4f | 1306 | a channel reset operation.\r |
6a6d955c | 1307 | EFI_DEVICE_ERROR - A device error occurred while\r |
823f7d4f | 1308 | attempting to reset the SCSI channel.\r |
6a6d955c | 1309 | EFI_TIMEOUT - A timeout occurred while attempting\r |
823f7d4f | 1310 | to reset the SCSI channel.\r |
1311 | --*/\r | |
1312 | {\r | |
1313 | UINT8 DeviceControlValue;\r | |
1314 | UINT8 Index;\r | |
1315 | ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate;\r | |
1316 | BOOLEAN ResetFlag;\r | |
1317 | \r | |
1318 | AtapiScsiPrivate = ATAPI_EXT_SCSI_PASS_THRU_DEV_FROM_THIS (This);\r | |
1319 | ResetFlag = FALSE;\r | |
1320 | //\r | |
1321 | // Reset both Primary channel and Secondary channel.\r | |
1322 | // so, the IoPort pointer must point to the right I/O Register group\r | |
1323 | // And if there is a channel reset successfully, return EFI_SUCCESS.\r | |
1324 | //\r | |
1325 | for (Index = 0; Index < 2; Index++) {\r | |
1326 | //\r | |
1327 | // Reset\r | |
1328 | //\r | |
1329 | AtapiScsiPrivate->IoPort = &AtapiScsiPrivate->AtapiIoPortRegisters[Index];\r | |
1330 | \r | |
1331 | DeviceControlValue = 0;\r | |
1332 | //\r | |
1333 | // set SRST bit to initiate soft reset\r | |
1334 | //\r | |
1335 | DeviceControlValue |= SRST;\r | |
1336 | //\r | |
1337 | // disable Interrupt\r | |
1338 | //\r | |
5781db08 | 1339 | DeviceControlValue |= BIT1;\r |
823f7d4f | 1340 | WritePortB (\r |
1341 | AtapiScsiPrivate->PciIo,\r | |
1342 | AtapiScsiPrivate->IoPort->Alt.DeviceControl,\r | |
1343 | DeviceControlValue\r | |
1344 | );\r | |
1345 | \r | |
1346 | //\r | |
1347 | // Wait 10us\r | |
1348 | //\r | |
1349 | gBS->Stall (10);\r | |
1350 | \r | |
1351 | //\r | |
1352 | // Clear SRST bit\r | |
1353 | // 0xfb:1111,1011\r | |
1354 | //\r | |
1355 | DeviceControlValue &= 0xfb;\r | |
6a6d955c | 1356 | \r |
823f7d4f | 1357 | WritePortB (AtapiScsiPrivate->PciIo, AtapiScsiPrivate->IoPort->Alt.DeviceControl, DeviceControlValue);\r |
1358 | \r | |
1359 | //\r | |
1360 | // slave device needs at most 31s to clear BSY\r | |
1361 | //\r | |
1362 | if (StatusWaitForBSYClear (AtapiScsiPrivate, 31000000) != EFI_TIMEOUT) {\r | |
1363 | ResetFlag = TRUE;\r | |
1364 | }\r | |
1365 | }\r | |
1366 | \r | |
1367 | if (ResetFlag) {\r | |
1368 | return EFI_SUCCESS;\r | |
1369 | }\r | |
6a6d955c | 1370 | \r |
823f7d4f | 1371 | return EFI_TIMEOUT;\r |
1372 | }\r | |
1373 | \r | |
1374 | EFI_STATUS\r | |
1375 | EFIAPI\r | |
1376 | AtapiExtScsiPassThruResetTarget (\r | |
1377 | IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This,\r | |
1378 | IN UINT8 *Target,\r | |
1379 | IN UINT64 Lun\r | |
1380 | )\r | |
1381 | /*++\r | |
1382 | \r | |
1383 | Routine Description:\r | |
1384 | \r | |
1385 | Resets a SCSI device that is connected to a SCSI channel.\r | |
1386 | \r | |
1387 | Arguments:\r | |
1388 | \r | |
1389 | This - Protocol instance pointer.\r | |
6a6d955c | 1390 | Target - The Target ID of the SCSI device to reset.\r |
823f7d4f | 1391 | Lun - The LUN of the SCSI device to reset.\r |
6a6d955c | 1392 | \r |
823f7d4f | 1393 | Returns:\r |
1394 | \r | |
6a6d955c | 1395 | EFI_SUCCESS - The SCSI device specified by Target and\r |
823f7d4f | 1396 | Lun was reset.\r |
1397 | EFI_UNSUPPORTED - The SCSI channel does not support a target\r | |
1398 | reset operation.\r | |
1399 | EFI_INVALID_PARAMETER - Target or Lun are invalid.\r | |
6a6d955c | 1400 | EFI_DEVICE_ERROR - A device error occurred while attempting\r |
1401 | to reset the SCSI device specified by Target\r | |
823f7d4f | 1402 | and Lun.\r |
6a6d955c | 1403 | EFI_TIMEOUT - A timeout occurred while attempting to reset\r |
823f7d4f | 1404 | the SCSI device specified by Target and Lun.\r |
1405 | --*/\r | |
1406 | {\r | |
1407 | UINT8 Command;\r | |
1408 | UINT8 DeviceSelect;\r | |
1409 | UINT8 TargetId;\r | |
1410 | ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate;\r | |
6a6d955c | 1411 | \r |
823f7d4f | 1412 | AtapiScsiPrivate = ATAPI_EXT_SCSI_PASS_THRU_DEV_FROM_THIS (This);\r |
1413 | TargetId = Target[0];\r | |
6a6d955c | 1414 | \r |
823f7d4f | 1415 | if ((TargetId > MAX_TARGET_ID) || (Lun != 0)) {\r |
1416 | return EFI_INVALID_PARAMETER;\r | |
1417 | }\r | |
1418 | //\r | |
1419 | // Directly return EFI_SUCCESS if want to reset the host controller\r | |
1420 | //\r | |
1421 | if (TargetId == This->Mode->AdapterId) {\r | |
1422 | return EFI_SUCCESS;\r | |
1423 | }\r | |
6a6d955c | 1424 | \r |
823f7d4f | 1425 | //\r |
1426 | // According to Target ID, reset the Atapi I/O Register mapping\r | |
1427 | // (Target Id in [0,1] area, using AtapiIoPortRegisters[0],\r | |
1428 | // Target Id in [2,3] area, using AtapiIoPortRegisters[1]\r | |
1429 | //\r | |
1430 | if ((TargetId / 2) == 0) {\r | |
1431 | AtapiScsiPrivate->IoPort = &AtapiScsiPrivate->AtapiIoPortRegisters[0];\r | |
1432 | } else {\r | |
1433 | AtapiScsiPrivate->IoPort = &AtapiScsiPrivate->AtapiIoPortRegisters[1];\r | |
1434 | }\r | |
6a6d955c | 1435 | \r |
823f7d4f | 1436 | //\r |
1437 | // for ATAPI device, no need to wait DRDY ready after device selecting.\r | |
1438 | //\r | |
1439 | // bit7 and bit5 are both set to 1 for backward compatibility\r | |
1440 | //\r | |
5781db08 | 1441 | DeviceSelect = (UINT8) ((BIT7 | BIT5) | (TargetId << 4));\r |
823f7d4f | 1442 | WritePortB (AtapiScsiPrivate->PciIo, AtapiScsiPrivate->IoPort->Head, DeviceSelect);\r |
1443 | \r | |
1444 | Command = ATAPI_SOFT_RESET_CMD;\r | |
1445 | WritePortB (AtapiScsiPrivate->PciIo, AtapiScsiPrivate->IoPort->Reg.Command, Command);\r | |
1446 | \r | |
1447 | //\r | |
1448 | // BSY clear is the only status return to the host by the device\r | |
1449 | // when reset is complete.\r | |
1450 | // slave device needs at most 31s to clear BSY\r | |
1451 | //\r | |
1452 | if (EFI_ERROR (StatusWaitForBSYClear (AtapiScsiPrivate, 31000000))) {\r | |
1453 | return EFI_TIMEOUT;\r | |
1454 | }\r | |
6a6d955c | 1455 | \r |
823f7d4f | 1456 | //\r |
1457 | // stall 5 seconds to make the device status stable\r | |
1458 | //\r | |
1459 | gBS->Stall (5000000);\r | |
1460 | \r | |
1461 | return EFI_SUCCESS;\r | |
1462 | }\r | |
1463 | \r | |
1464 | \r | |
1465 | EFI_STATUS\r | |
1466 | EFIAPI\r | |
1467 | AtapiExtScsiPassThruGetNextTarget (\r | |
1468 | IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This,\r | |
1469 | IN OUT UINT8 **Target\r | |
1470 | )\r | |
1471 | /*++\r | |
1472 | \r | |
1473 | Routine Description:\r | |
6a6d955c | 1474 | Used to retrieve the list of legal Target IDs for SCSI devices\r |
823f7d4f | 1475 | on a SCSI channel.\r |
1476 | \r | |
1477 | Arguments:\r | |
1478 | This - Protocol instance pointer.\r | |
6a6d955c | 1479 | Target - On input, a pointer to the Target ID of a SCSI\r |
1480 | device present on the SCSI channel. On output,\r | |
823f7d4f | 1481 | a pointer to the Target ID of the next SCSI device\r |
6a6d955c | 1482 | present on a SCSI channel. An input value of\r |
1483 | 0xFFFFFFFF retrieves the Target ID of the first\r | |
823f7d4f | 1484 | SCSI device present on a SCSI channel.\r |
1485 | Lun - On input, a pointer to the LUN of a SCSI device\r | |
1486 | present on the SCSI channel. On output, a pointer\r | |
6a6d955c | 1487 | to the LUN of the next SCSI device present on\r |
823f7d4f | 1488 | a SCSI channel.\r |
6a6d955c | 1489 | \r |
823f7d4f | 1490 | Returns:\r |
6a6d955c | 1491 | EFI_SUCCESS - The Target ID and Lun of the next SCSI device\r |
823f7d4f | 1492 | on the SCSI channel was returned in Target and Lun.\r |
1493 | EFI_NOT_FOUND - There are no more SCSI devices on this SCSI channel.\r | |
1494 | EFI_INVALID_PARAMETER - Target is not 0xFFFFFFFF,and Target and Lun were not\r | |
1495 | returned on a previous call to GetNextDevice().\r | |
1496 | --*/\r | |
1497 | {\r | |
1498 | UINT8 TargetId;\r | |
1499 | UINT8 ScsiId[TARGET_MAX_BYTES];\r | |
6a6d955c | 1500 | ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate;\r |
823f7d4f | 1501 | UINT8 ByteIndex;\r |
1502 | \r | |
1503 | //\r | |
1504 | // Retrieve Device Private Data Structure.\r | |
1505 | //\r | |
1506 | AtapiScsiPrivate = ATAPI_EXT_SCSI_PASS_THRU_DEV_FROM_THIS (This);\r | |
1507 | \r | |
1508 | //\r | |
1509 | // Check whether Target is valid.\r | |
1510 | //\r | |
1511 | if (*Target == NULL ) {\r | |
1512 | return EFI_INVALID_PARAMETER;\r | |
1513 | }\r | |
1514 | \r | |
1515 | TargetId = (*Target)[0];\r | |
1516 | SetMem (ScsiId, TARGET_MAX_BYTES, 0xFF);\r | |
1517 | \r | |
1518 | //\r | |
1519 | // For ATAPI device, we use UINT8 to represent the SCSI ID on channel.\r | |
1520 | //\r | |
1521 | if (CompareMem(*Target, ScsiId, TARGET_MAX_BYTES) != 0) {\r | |
1522 | for (ByteIndex = 1; ByteIndex < TARGET_MAX_BYTES; ByteIndex++) {\r | |
1523 | if ((*Target)[ByteIndex] != 0) {\r | |
1524 | return EFI_INVALID_PARAMETER;\r | |
1525 | }\r | |
1526 | }\r | |
1527 | }\r | |
1528 | \r | |
1529 | if ((CompareMem(*Target, ScsiId, TARGET_MAX_BYTES) != 0) &&(TargetId != AtapiScsiPrivate->LatestTargetId)) {\r | |
1530 | return EFI_INVALID_PARAMETER;\r | |
1531 | }\r | |
1532 | \r | |
1533 | if (TargetId == MAX_TARGET_ID) {\r | |
1534 | return EFI_NOT_FOUND;\r | |
1535 | }\r | |
1536 | \r | |
1537 | if ((CompareMem(*Target, ScsiId, TARGET_MAX_BYTES) == 0)) {\r | |
1538 | SetMem (*Target, TARGET_MAX_BYTES, 0);\r | |
1539 | } else {\r | |
1540 | (*Target)[0] = (UINT8) (AtapiScsiPrivate->LatestTargetId + 1);\r | |
1541 | }\r | |
1542 | \r | |
1543 | //\r | |
1544 | // Update the LatestTargetId.\r | |
1545 | //\r | |
1546 | AtapiScsiPrivate->LatestTargetId = (*Target)[0];\r | |
1547 | AtapiScsiPrivate->LatestLun = 0;\r | |
1548 | \r | |
1549 | return EFI_SUCCESS;\r | |
1550 | }\r | |
1551 | \r | |
1552 | EFI_STATUS\r | |
1553 | GetIdeRegistersBaseAddr (\r | |
1554 | IN EFI_PCI_IO_PROTOCOL *PciIo,\r | |
1555 | OUT IDE_REGISTERS_BASE_ADDR *IdeRegsBaseAddr\r | |
1556 | )\r | |
1557 | /*++\r | |
1558 | \r | |
1559 | Routine Description:\r | |
1560 | Get IDE IO port registers' base addresses by mode. In 'Compatibility' mode,\r | |
1561 | use fixed addresses. In Native-PCI mode, get base addresses from BARs in\r | |
1562 | the PCI IDE controller's Configuration Space.\r | |
1563 | \r | |
1564 | Arguments:\r | |
1565 | PciIo - Pointer to the EFI_PCI_IO_PROTOCOL instance\r | |
1566 | IdeRegsBaseAddr - Pointer to IDE_REGISTERS_BASE_ADDR to\r | |
1567 | receive IDE IO port registers' base addresses\r | |
1568 | \r | |
1569 | Returns:\r | |
1570 | \r | |
1571 | EFI_STATUS\r | |
1572 | \r | |
1573 | --*/\r | |
1574 | {\r | |
1575 | EFI_STATUS Status;\r | |
1576 | PCI_TYPE00 PciData;\r | |
1577 | \r | |
1578 | Status = PciIo->Pci.Read (\r | |
1579 | PciIo,\r | |
1580 | EfiPciIoWidthUint8,\r | |
1581 | 0,\r | |
1582 | sizeof (PciData),\r | |
1583 | &PciData\r | |
1584 | );\r | |
1585 | \r | |
1586 | if (EFI_ERROR (Status)) {\r | |
1587 | return Status;\r | |
1588 | }\r | |
1589 | \r | |
1590 | if ((PciData.Hdr.ClassCode[0] & IDE_PRIMARY_OPERATING_MODE) == 0) {\r | |
1591 | IdeRegsBaseAddr[IdePrimary].CommandBlockBaseAddr = 0x1f0;\r | |
1592 | IdeRegsBaseAddr[IdePrimary].ControlBlockBaseAddr = 0x3f6;\r | |
1593 | } else {\r | |
1594 | //\r | |
1595 | // The BARs should be of IO type\r | |
1596 | //\r | |
1597 | if ((PciData.Device.Bar[0] & BIT0) == 0 ||\r | |
1598 | (PciData.Device.Bar[1] & BIT0) == 0) {\r | |
1599 | return EFI_UNSUPPORTED;\r | |
1600 | }\r | |
1601 | \r | |
1602 | IdeRegsBaseAddr[IdePrimary].CommandBlockBaseAddr =\r | |
1603 | (UINT16) (PciData.Device.Bar[0] & 0x0000fff8);\r | |
1604 | IdeRegsBaseAddr[IdePrimary].ControlBlockBaseAddr =\r | |
1605 | (UINT16) ((PciData.Device.Bar[1] & 0x0000fffc) + 2);\r | |
1606 | }\r | |
1607 | \r | |
1608 | if ((PciData.Hdr.ClassCode[0] & IDE_SECONDARY_OPERATING_MODE) == 0) {\r | |
1609 | IdeRegsBaseAddr[IdeSecondary].CommandBlockBaseAddr = 0x170;\r | |
1610 | IdeRegsBaseAddr[IdeSecondary].ControlBlockBaseAddr = 0x376;\r | |
1611 | } else {\r | |
1612 | //\r | |
1613 | // The BARs should be of IO type\r | |
1614 | //\r | |
1615 | if ((PciData.Device.Bar[2] & BIT0) == 0 ||\r | |
1616 | (PciData.Device.Bar[3] & BIT0) == 0) {\r | |
1617 | return EFI_UNSUPPORTED;\r | |
1618 | }\r | |
1619 | \r | |
1620 | IdeRegsBaseAddr[IdeSecondary].CommandBlockBaseAddr =\r | |
1621 | (UINT16) (PciData.Device.Bar[2] & 0x0000fff8);\r | |
1622 | IdeRegsBaseAddr[IdeSecondary].ControlBlockBaseAddr =\r | |
1623 | (UINT16) ((PciData.Device.Bar[3] & 0x0000fffc) + 2);\r | |
1624 | }\r | |
1625 | \r | |
1626 | return EFI_SUCCESS;\r | |
1627 | }\r | |
1628 | \r | |
1629 | VOID\r | |
1630 | InitAtapiIoPortRegisters (\r | |
1631 | IN ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate,\r | |
1632 | IN IDE_REGISTERS_BASE_ADDR *IdeRegsBaseAddr\r | |
1633 | )\r | |
1634 | /*++\r | |
1635 | \r | |
1636 | Routine Description:\r | |
1637 | \r | |
1638 | Initialize each Channel's Base Address of CommandBlock and ControlBlock.\r | |
1639 | \r | |
1640 | Arguments:\r | |
1641 | \r | |
1642 | AtapiScsiPrivate - The pointer of ATAPI_SCSI_PASS_THRU_DEV\r | |
1643 | IdeRegsBaseAddr - The pointer of IDE_REGISTERS_BASE_ADDR\r | |
1644 | \r | |
1645 | Returns:\r | |
1646 | \r | |
1647 | None\r | |
1648 | \r | |
1649 | --*/\r | |
1650 | {\r | |
1651 | \r | |
1652 | UINT8 IdeChannel;\r | |
1653 | UINT16 CommandBlockBaseAddr;\r | |
1654 | UINT16 ControlBlockBaseAddr;\r | |
1655 | IDE_BASE_REGISTERS *RegisterPointer;\r | |
1656 | \r | |
1657 | \r | |
1658 | for (IdeChannel = 0; IdeChannel < ATAPI_MAX_CHANNEL; IdeChannel++) {\r | |
1659 | \r | |
1660 | RegisterPointer = &AtapiScsiPrivate->AtapiIoPortRegisters[IdeChannel];\r | |
1661 | \r | |
1662 | //\r | |
1663 | // Initialize IDE IO port addresses, including Command Block registers\r | |
1664 | // and Control Block registers\r | |
1665 | //\r | |
1666 | CommandBlockBaseAddr = IdeRegsBaseAddr[IdeChannel].CommandBlockBaseAddr;\r | |
1667 | ControlBlockBaseAddr = IdeRegsBaseAddr[IdeChannel].ControlBlockBaseAddr;\r | |
1668 | \r | |
1669 | RegisterPointer->Data = CommandBlockBaseAddr;\r | |
1670 | (*(UINT16 *) &RegisterPointer->Reg1) = (UINT16) (CommandBlockBaseAddr + 0x01);\r | |
1671 | RegisterPointer->SectorCount = (UINT16) (CommandBlockBaseAddr + 0x02);\r | |
1672 | RegisterPointer->SectorNumber = (UINT16) (CommandBlockBaseAddr + 0x03);\r | |
1673 | RegisterPointer->CylinderLsb = (UINT16) (CommandBlockBaseAddr + 0x04);\r | |
1674 | RegisterPointer->CylinderMsb = (UINT16) (CommandBlockBaseAddr + 0x05);\r | |
1675 | RegisterPointer->Head = (UINT16) (CommandBlockBaseAddr + 0x06);\r | |
1676 | (*(UINT16 *) &RegisterPointer->Reg) = (UINT16) (CommandBlockBaseAddr + 0x07);\r | |
1677 | \r | |
1678 | (*(UINT16 *) &RegisterPointer->Alt) = ControlBlockBaseAddr;\r | |
1679 | RegisterPointer->DriveAddress = (UINT16) (ControlBlockBaseAddr + 0x01);\r | |
1680 | }\r | |
1681 | \r | |
1682 | }\r | |
1683 | \r | |
1684 | \r | |
1685 | EFI_STATUS\r | |
1686 | CheckSCSIRequestPacket (\r | |
1687 | EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *Packet\r | |
1688 | )\r | |
1689 | /*++\r | |
1690 | \r | |
1691 | Routine Description:\r | |
1692 | \r | |
1693 | Checks the parameters in the SCSI Request Packet to make sure\r | |
1694 | they are valid for a SCSI Pass Thru request.\r | |
1695 | \r | |
1696 | Arguments:\r | |
1697 | \r | |
1698 | Packet - The pointer of EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET\r | |
1699 | \r | |
1700 | Returns:\r | |
1701 | \r | |
1702 | EFI_STATUS\r | |
1703 | \r | |
1704 | --*/\r | |
1705 | {\r | |
1706 | if (Packet == NULL) {\r | |
1707 | return EFI_INVALID_PARAMETER;\r | |
1708 | }\r | |
1709 | \r | |
1710 | if (!ValidCdbLength (Packet->CdbLength)) {\r | |
1711 | return EFI_INVALID_PARAMETER;\r | |
1712 | }\r | |
1713 | \r | |
1714 | if (Packet->Cdb == NULL) {\r | |
1715 | return EFI_INVALID_PARAMETER;\r | |
1716 | }\r | |
1717 | \r | |
1718 | //\r | |
1719 | // Checks whether the request command is supported.\r | |
1720 | //\r | |
1721 | if (!IsCommandValid (Packet)) {\r | |
1722 | return EFI_UNSUPPORTED;\r | |
1723 | }\r | |
1724 | \r | |
1725 | return EFI_SUCCESS;\r | |
1726 | }\r | |
1727 | \r | |
1728 | BOOLEAN\r | |
1729 | IsCommandValid (\r | |
1730 | EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *Packet\r | |
1731 | )\r | |
1732 | /*++\r | |
6a6d955c | 1733 | \r |
823f7d4f | 1734 | Routine Description:\r |
1735 | \r | |
6a6d955c | 1736 | Checks the requested SCSI command:\r |
823f7d4f | 1737 | Is it supported by this driver?\r |
1738 | Is the Data transfer direction reasonable?\r | |
1739 | \r | |
1740 | Arguments:\r | |
1741 | \r | |
6a6d955c | 1742 | Packet - The pointer of EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET\r |
823f7d4f | 1743 | \r |
1744 | Returns:\r | |
1745 | \r | |
1746 | EFI_STATUS\r | |
1747 | \r | |
1748 | --*/\r | |
1749 | {\r | |
1750 | UINT8 Index;\r | |
1751 | UINT8 *OpCode;\r | |
80448f6c | 1752 | UINT8 ArrayLen;\r |
823f7d4f | 1753 | \r |
1754 | OpCode = (UINT8 *) (Packet->Cdb);\r | |
80448f6c | 1755 | ArrayLen = (UINT8) (sizeof (gSupportedATAPICommands) / sizeof (gSupportedATAPICommands[0]));\r |
823f7d4f | 1756 | \r |
80448f6c | 1757 | for (Index = 0; (Index < ArrayLen) && (CompareMem (&gSupportedATAPICommands[Index], &gEndTable, sizeof (SCSI_COMMAND_SET)) != 0); Index++) {\r |
823f7d4f | 1758 | \r |
1759 | if (*OpCode == gSupportedATAPICommands[Index].OpCode) {\r | |
1760 | //\r | |
1761 | // Check whether the requested Command is supported by this driver\r | |
1762 | //\r | |
1763 | if (Packet->DataDirection == DataIn) {\r | |
1764 | //\r | |
1765 | // Check whether the requested data direction conforms to\r | |
1766 | // what it should be.\r | |
1767 | //\r | |
1768 | if (gSupportedATAPICommands[Index].Direction == DataOut) {\r | |
1769 | return FALSE;\r | |
1770 | }\r | |
1771 | }\r | |
1772 | \r | |
1773 | if (Packet->DataDirection == DataOut) {\r | |
1774 | //\r | |
1775 | // Check whether the requested data direction conforms to\r | |
1776 | // what it should be.\r | |
1777 | //\r | |
1778 | if (gSupportedATAPICommands[Index].Direction == DataIn) {\r | |
1779 | return FALSE;\r | |
1780 | }\r | |
1781 | }\r | |
1782 | \r | |
1783 | return TRUE;\r | |
1784 | }\r | |
1785 | }\r | |
1786 | \r | |
1787 | return FALSE;\r | |
1788 | }\r | |
1789 | \r | |
1790 | EFI_STATUS\r | |
1791 | SubmitBlockingIoCommand (\r | |
1792 | ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate,\r | |
1793 | UINT32 Target,\r | |
1794 | EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *Packet\r | |
1795 | )\r | |
1796 | /*++\r | |
1797 | \r | |
1798 | Routine Description:\r | |
1799 | \r | |
1800 | Performs blocking I/O request.\r | |
6a6d955c | 1801 | \r |
823f7d4f | 1802 | Arguments:\r |
1803 | \r | |
1804 | AtapiScsiPrivate: Private data structure for the specified channel.\r | |
6a6d955c | 1805 | Target: The Target ID of the ATAPI device to send the SCSI\r |
823f7d4f | 1806 | Request Packet. To ATAPI devices attached on an IDE\r |
1807 | Channel, Target ID 0 indicates Master device;Target\r | |
1808 | ID 1 indicates Slave device.\r | |
6a6d955c | 1809 | Packet: The SCSI Request Packet to send to the ATAPI device\r |
823f7d4f | 1810 | specified by Target.\r |
6a6d955c | 1811 | \r |
1812 | Returns: EFI_STATUS\r | |
1813 | \r | |
823f7d4f | 1814 | --*/\r |
1815 | {\r | |
1816 | UINT8 PacketCommand[12];\r | |
1817 | UINT64 TimeoutInMicroSeconds;\r | |
1818 | EFI_STATUS PacketCommandStatus;\r | |
1819 | \r | |
1820 | //\r | |
1821 | // Fill ATAPI Command Packet according to CDB\r | |
1822 | //\r | |
1823 | ZeroMem (&PacketCommand, 12);\r | |
1824 | CopyMem (&PacketCommand, Packet->Cdb, Packet->CdbLength);\r | |
1825 | \r | |
1826 | //\r | |
1827 | // Timeout is 100ns unit, convert it to 1000ns (1us) unit.\r | |
1828 | //\r | |
1829 | TimeoutInMicroSeconds = DivU64x32 (Packet->Timeout, (UINT32) 10);\r | |
1830 | \r | |
1831 | //\r | |
1832 | // Submit ATAPI Command Packet\r | |
1833 | //\r | |
1834 | PacketCommandStatus = AtapiPacketCommand (\r | |
1835 | AtapiScsiPrivate,\r | |
1836 | Target,\r | |
1837 | PacketCommand,\r | |
1838 | Packet->DataBuffer,\r | |
1839 | &(Packet->TransferLength),\r | |
1840 | (DATA_DIRECTION) Packet->DataDirection,\r | |
1841 | TimeoutInMicroSeconds\r | |
1842 | );\r | |
1843 | if (!EFI_ERROR (PacketCommandStatus) || (Packet->SenseData == NULL)) {\r | |
1844 | Packet->SenseDataLength = 0;\r | |
1845 | return PacketCommandStatus;\r | |
1846 | }\r | |
1847 | \r | |
1848 | //\r | |
1849 | // Return SenseData if PacketCommandStatus matches\r | |
1850 | // the following return codes.\r | |
1851 | //\r | |
1852 | if ((PacketCommandStatus == EFI_BAD_BUFFER_SIZE) ||\r | |
1853 | (PacketCommandStatus == EFI_DEVICE_ERROR) ||\r | |
1854 | (PacketCommandStatus == EFI_TIMEOUT)) {\r | |
1855 | \r | |
1856 | //\r | |
1857 | // avoid submit request sense command continuously.\r | |
1858 | //\r | |
1859 | if (PacketCommand[0] == OP_REQUEST_SENSE) {\r | |
1860 | Packet->SenseDataLength = 0;\r | |
1861 | return PacketCommandStatus;\r | |
1862 | }\r | |
1863 | \r | |
1864 | RequestSenseCommand (\r | |
1865 | AtapiScsiPrivate,\r | |
1866 | Target,\r | |
1867 | Packet->Timeout,\r | |
1868 | Packet->SenseData,\r | |
1869 | &Packet->SenseDataLength\r | |
1870 | );\r | |
1871 | }\r | |
1872 | \r | |
1873 | return PacketCommandStatus;\r | |
1874 | }\r | |
1875 | \r | |
1876 | EFI_STATUS\r | |
1877 | RequestSenseCommand (\r | |
1878 | ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate,\r | |
1879 | UINT32 Target,\r | |
1880 | UINT64 Timeout,\r | |
1881 | VOID *SenseData,\r | |
1882 | UINT8 *SenseDataLength\r | |
1883 | )\r | |
1884 | /*++\r | |
1885 | \r | |
1886 | Routine Description:\r | |
1887 | \r | |
1888 | Sumbit request sense command\r | |
1889 | \r | |
1890 | Arguments:\r | |
1891 | \r | |
1892 | AtapiScsiPrivate - The pionter of ATAPI_SCSI_PASS_THRU_DEV\r | |
1893 | Target - The target ID\r | |
1894 | Timeout - The time to complete the command\r | |
1895 | SenseData - The buffer to fill in sense data\r | |
1896 | SenseDataLength - The length of buffer\r | |
1897 | \r | |
1898 | Returns:\r | |
1899 | \r | |
1900 | EFI_STATUS\r | |
6a6d955c | 1901 | \r |
823f7d4f | 1902 | --*/\r |
1903 | {\r | |
1904 | EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET Packet;\r | |
1905 | UINT8 Cdb[12];\r | |
1906 | EFI_STATUS Status;\r | |
1907 | \r | |
1908 | ZeroMem (&Packet, sizeof (EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET));\r | |
1909 | ZeroMem (Cdb, 12);\r | |
1910 | \r | |
1911 | Cdb[0] = OP_REQUEST_SENSE;\r | |
1912 | Cdb[4] = (UINT8) (*SenseDataLength);\r | |
1913 | \r | |
1914 | Packet.Timeout = Timeout;\r | |
1915 | Packet.DataBuffer = SenseData;\r | |
1916 | Packet.SenseData = NULL;\r | |
1917 | Packet.Cdb = Cdb;\r | |
1918 | Packet.TransferLength = *SenseDataLength;\r | |
1919 | Packet.CdbLength = 12;\r | |
1920 | Packet.DataDirection = DataIn;\r | |
1921 | \r | |
1922 | Status = SubmitBlockingIoCommand (AtapiScsiPrivate, Target, &Packet);\r | |
1923 | *SenseDataLength = (UINT8) (Packet.TransferLength);\r | |
1924 | return Status;\r | |
1925 | }\r | |
1926 | \r | |
1927 | EFI_STATUS\r | |
1928 | CheckExtSCSIRequestPacket (\r | |
1929 | EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *Packet\r | |
1930 | )\r | |
1931 | /*++\r | |
1932 | \r | |
1933 | Routine Description:\r | |
1934 | \r | |
1935 | Checks the parameters in the SCSI Request Packet to make sure\r | |
1936 | they are valid for a SCSI Pass Thru request.\r | |
1937 | \r | |
1938 | Arguments:\r | |
1939 | \r | |
1940 | Packet - The pointer of EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET\r | |
6a6d955c | 1941 | \r |
823f7d4f | 1942 | Returns:\r |
6a6d955c | 1943 | \r |
823f7d4f | 1944 | EFI_STATUS\r |
1945 | \r | |
1946 | --*/\r | |
1947 | {\r | |
1948 | if (Packet == NULL) {\r | |
1949 | return EFI_INVALID_PARAMETER;\r | |
1950 | }\r | |
1951 | \r | |
1952 | if (!ValidCdbLength (Packet->CdbLength)) {\r | |
1953 | return EFI_INVALID_PARAMETER;\r | |
1954 | }\r | |
1955 | \r | |
1956 | if (Packet->Cdb == NULL) {\r | |
1957 | return EFI_INVALID_PARAMETER;\r | |
1958 | }\r | |
6a6d955c | 1959 | \r |
823f7d4f | 1960 | //\r |
1961 | // Checks whether the request command is supported.\r | |
1962 | //\r | |
1963 | if (!IsExtCommandValid (Packet)) {\r | |
1964 | return EFI_UNSUPPORTED;\r | |
1965 | }\r | |
1966 | \r | |
1967 | return EFI_SUCCESS;\r | |
1968 | }\r | |
1969 | \r | |
1970 | \r | |
1971 | BOOLEAN\r | |
1972 | IsExtCommandValid (\r | |
1973 | EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *Packet\r | |
1974 | )\r | |
1975 | /*++\r | |
6a6d955c | 1976 | \r |
823f7d4f | 1977 | Routine Description:\r |
1978 | \r | |
6a6d955c | 1979 | Checks the requested SCSI command:\r |
823f7d4f | 1980 | Is it supported by this driver?\r |
1981 | Is the Data transfer direction reasonable?\r | |
1982 | \r | |
1983 | Arguments:\r | |
1984 | \r | |
6a6d955c | 1985 | Packet - The pointer of EFI_SCSI_PASS_THRU_SCSI_REQUEST_PACKET\r |
823f7d4f | 1986 | \r |
1987 | Returns:\r | |
1988 | \r | |
1989 | EFI_STATUS\r | |
1990 | \r | |
1991 | --*/\r | |
1992 | {\r | |
1993 | UINT8 Index;\r | |
1994 | UINT8 *OpCode;\r | |
80448f6c | 1995 | UINT8 ArrayLen;\r |
823f7d4f | 1996 | \r |
1997 | OpCode = (UINT8 *) (Packet->Cdb);\r | |
80448f6c | 1998 | ArrayLen = (UINT8) (sizeof (gSupportedATAPICommands) / sizeof (gSupportedATAPICommands[0]));\r |
823f7d4f | 1999 | \r |
80448f6c | 2000 | for (Index = 0; (Index < ArrayLen) && (CompareMem (&gSupportedATAPICommands[Index], &gEndTable, sizeof (SCSI_COMMAND_SET)) != 0); Index++) {\r |
823f7d4f | 2001 | \r |
2002 | if (*OpCode == gSupportedATAPICommands[Index].OpCode) {\r | |
2003 | //\r | |
2004 | // Check whether the requested Command is supported by this driver\r | |
2005 | //\r | |
2006 | if (Packet->DataDirection == DataIn) {\r | |
2007 | //\r | |
2008 | // Check whether the requested data direction conforms to\r | |
2009 | // what it should be.\r | |
2010 | //\r | |
2011 | if (gSupportedATAPICommands[Index].Direction == DataOut) {\r | |
2012 | return FALSE;\r | |
2013 | }\r | |
2014 | }\r | |
2015 | \r | |
2016 | if (Packet->DataDirection == DataOut) {\r | |
2017 | //\r | |
2018 | // Check whether the requested data direction conforms to\r | |
2019 | // what it should be.\r | |
2020 | //\r | |
2021 | if (gSupportedATAPICommands[Index].Direction == DataIn) {\r | |
2022 | return FALSE;\r | |
2023 | }\r | |
2024 | }\r | |
2025 | \r | |
2026 | return TRUE;\r | |
2027 | }\r | |
2028 | }\r | |
2029 | \r | |
2030 | return FALSE;\r | |
2031 | }\r | |
2032 | \r | |
2033 | EFI_STATUS\r | |
2034 | SubmitExtBlockingIoCommand (\r | |
2035 | ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate,\r | |
2036 | UINT8 Target,\r | |
2037 | EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *Packet\r | |
2038 | )\r | |
2039 | /*++\r | |
2040 | \r | |
2041 | Routine Description:\r | |
2042 | \r | |
2043 | Performs blocking I/O request.\r | |
6a6d955c | 2044 | \r |
823f7d4f | 2045 | Arguments:\r |
2046 | \r | |
2047 | AtapiScsiPrivate: Private data structure for the specified channel.\r | |
6a6d955c | 2048 | Target: The Target ID of the ATAPI device to send the SCSI\r |
823f7d4f | 2049 | Request Packet. To ATAPI devices attached on an IDE\r |
2050 | Channel, Target ID 0 indicates Master device;Target\r | |
2051 | ID 1 indicates Slave device.\r | |
6a6d955c | 2052 | Packet: The SCSI Request Packet to send to the ATAPI device\r |
823f7d4f | 2053 | specified by Target.\r |
6a6d955c | 2054 | \r |
2055 | Returns: EFI_STATUS\r | |
2056 | \r | |
823f7d4f | 2057 | --*/\r |
2058 | {\r | |
2059 | UINT8 PacketCommand[12];\r | |
2060 | UINT64 TimeoutInMicroSeconds;\r | |
2061 | EFI_STATUS PacketCommandStatus;\r | |
2062 | \r | |
2063 | //\r | |
2064 | // Fill ATAPI Command Packet according to CDB\r | |
2065 | //\r | |
2066 | ZeroMem (&PacketCommand, 12);\r | |
2067 | CopyMem (&PacketCommand, Packet->Cdb, Packet->CdbLength);\r | |
2068 | \r | |
2069 | //\r | |
2070 | // Timeout is 100ns unit, convert it to 1000ns (1us) unit.\r | |
2071 | //\r | |
2072 | TimeoutInMicroSeconds = DivU64x32 (Packet->Timeout, (UINT32) 10);\r | |
2073 | \r | |
2074 | //\r | |
2075 | // Submit ATAPI Command Packet\r | |
2076 | //\r | |
2077 | if (Packet->DataDirection == DataIn) {\r | |
2078 | PacketCommandStatus = AtapiPacketCommand (\r | |
2079 | AtapiScsiPrivate,\r | |
2080 | Target,\r | |
2081 | PacketCommand,\r | |
2082 | Packet->InDataBuffer,\r | |
2083 | &(Packet->InTransferLength),\r | |
2084 | DataIn,\r | |
2085 | TimeoutInMicroSeconds\r | |
2086 | );\r | |
2087 | } else {\r | |
2088 | \r | |
2089 | PacketCommandStatus = AtapiPacketCommand (\r | |
2090 | AtapiScsiPrivate,\r | |
2091 | Target,\r | |
2092 | PacketCommand,\r | |
2093 | Packet->OutDataBuffer,\r | |
2094 | &(Packet->OutTransferLength),\r | |
2095 | DataOut,\r | |
2096 | TimeoutInMicroSeconds\r | |
2097 | );\r | |
2098 | }\r | |
6a6d955c | 2099 | \r |
823f7d4f | 2100 | if (!EFI_ERROR (PacketCommandStatus) || (Packet->SenseData == NULL)) {\r |
2101 | Packet->SenseDataLength = 0;\r | |
2102 | return PacketCommandStatus;\r | |
2103 | }\r | |
6a6d955c | 2104 | \r |
823f7d4f | 2105 | //\r |
2106 | // Return SenseData if PacketCommandStatus matches\r | |
2107 | // the following return codes.\r | |
2108 | //\r | |
2109 | if ((PacketCommandStatus == EFI_BAD_BUFFER_SIZE) ||\r | |
2110 | (PacketCommandStatus == EFI_DEVICE_ERROR) ||\r | |
2111 | (PacketCommandStatus == EFI_TIMEOUT)) {\r | |
2112 | \r | |
2113 | //\r | |
2114 | // avoid submit request sense command continuously.\r | |
2115 | //\r | |
2116 | if (PacketCommand[0] == OP_REQUEST_SENSE) {\r | |
2117 | Packet->SenseDataLength = 0;\r | |
2118 | return PacketCommandStatus;\r | |
2119 | }\r | |
2120 | \r | |
2121 | RequestSenseCommand (\r | |
2122 | AtapiScsiPrivate,\r | |
2123 | Target,\r | |
2124 | Packet->Timeout,\r | |
2125 | Packet->SenseData,\r | |
2126 | &Packet->SenseDataLength\r | |
2127 | );\r | |
2128 | }\r | |
2129 | \r | |
2130 | return PacketCommandStatus;\r | |
2131 | }\r | |
2132 | \r | |
2133 | \r | |
2134 | EFI_STATUS\r | |
2135 | AtapiPacketCommand (\r | |
2136 | ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate,\r | |
2137 | UINT32 Target,\r | |
2138 | UINT8 *PacketCommand,\r | |
2139 | VOID *Buffer,\r | |
2140 | UINT32 *ByteCount,\r | |
2141 | DATA_DIRECTION Direction,\r | |
2142 | UINT64 TimeoutInMicroSeconds\r | |
2143 | )\r | |
2144 | /*++\r | |
2145 | \r | |
2146 | Routine Description:\r | |
2147 | \r | |
2148 | Submits ATAPI command packet to the specified ATAPI device.\r | |
6a6d955c | 2149 | \r |
823f7d4f | 2150 | Arguments:\r |
2151 | \r | |
2152 | AtapiScsiPrivate: Private data structure for the specified channel.\r | |
6a6d955c | 2153 | Target: The Target ID of the ATAPI device to send the SCSI\r |
823f7d4f | 2154 | Request Packet. To ATAPI devices attached on an IDE\r |
2155 | Channel, Target ID 0 indicates Master device;Target\r | |
2156 | ID 1 indicates Slave device.\r | |
2157 | PacketCommand: Points to the ATAPI command packet.\r | |
2158 | Buffer: Points to the transferred data.\r | |
2159 | ByteCount: When input,indicates the buffer size; when output,\r | |
2160 | indicates the actually transferred data size.\r | |
6a6d955c | 2161 | Direction: Indicates the data transfer direction.\r |
823f7d4f | 2162 | TimeoutInMicroSeconds:\r |
6a6d955c | 2163 | The timeout, in micro second units, to use for the\r |
823f7d4f | 2164 | execution of this ATAPI command.\r |
6a6d955c | 2165 | A TimeoutInMicroSeconds value of 0 means that\r |
2166 | this function will wait indefinitely for the ATAPI\r | |
823f7d4f | 2167 | command to execute.\r |
6a6d955c | 2168 | If TimeoutInMicroSeconds is greater than zero, then\r |
2169 | this function will return EFI_TIMEOUT if the time\r | |
2170 | required to execute the ATAPI command is greater\r | |
823f7d4f | 2171 | than TimeoutInMicroSeconds.\r |
6a6d955c | 2172 | \r |
823f7d4f | 2173 | Returns:\r |
2174 | \r | |
2175 | EFI_STATUS\r | |
6a6d955c | 2176 | \r |
823f7d4f | 2177 | --*/\r |
2178 | {\r | |
2179 | \r | |
2180 | UINT16 *CommandIndex;\r | |
2181 | UINT8 Count;\r | |
2182 | EFI_STATUS Status;\r | |
2183 | \r | |
2184 | //\r | |
2185 | // Set all the command parameters by fill related registers.\r | |
2186 | // Before write to all the following registers, BSY must be 0.\r | |
2187 | //\r | |
2188 | Status = StatusWaitForBSYClear (AtapiScsiPrivate, TimeoutInMicroSeconds);\r | |
2189 | if (EFI_ERROR (Status)) {\r | |
2190 | return EFI_DEVICE_ERROR;\r | |
2191 | }\r | |
2192 | \r | |
2193 | \r | |
2194 | //\r | |
2195 | // Select device via Device/Head Register.\r | |
2196 | // "Target = 0" indicates device 0; "Target = 1" indicates device 1\r | |
2197 | //\r | |
2198 | WritePortB (\r | |
2199 | AtapiScsiPrivate->PciIo,\r | |
2200 | AtapiScsiPrivate->IoPort->Head,\r | |
2201 | (UINT8) ((Target << 4) | DEFAULT_CMD) // DEFAULT_CMD: 0xa0 (1010,0000)\r | |
2202 | );\r | |
2203 | \r | |
2204 | //\r | |
2205 | // Set all the command parameters by fill related registers.\r | |
2206 | // Before write to all the following registers, BSY DRQ must be 0.\r | |
2207 | //\r | |
2208 | Status = StatusDRQClear(AtapiScsiPrivate, TimeoutInMicroSeconds);\r | |
2209 | \r | |
2210 | if (EFI_ERROR (Status)) {\r | |
2211 | if (Status == EFI_ABORTED) {\r | |
2212 | Status = EFI_DEVICE_ERROR;\r | |
2213 | }\r | |
2214 | *ByteCount = 0;\r | |
2215 | return Status;\r | |
2216 | }\r | |
2217 | \r | |
2218 | //\r | |
2219 | // No OVL; No DMA (by setting feature register)\r | |
2220 | //\r | |
2221 | WritePortB (\r | |
2222 | AtapiScsiPrivate->PciIo,\r | |
2223 | AtapiScsiPrivate->IoPort->Reg1.Feature,\r | |
2224 | 0x00\r | |
2225 | );\r | |
2226 | \r | |
2227 | //\r | |
2228 | // set the transfersize to MAX_ATAPI_BYTE_COUNT to let the device\r | |
2229 | // determine how much data should be transfered.\r | |
2230 | //\r | |
2231 | WritePortB (\r | |
2232 | AtapiScsiPrivate->PciIo,\r | |
2233 | AtapiScsiPrivate->IoPort->CylinderLsb,\r | |
2234 | (UINT8) (MAX_ATAPI_BYTE_COUNT & 0x00ff)\r | |
2235 | );\r | |
2236 | WritePortB (\r | |
2237 | AtapiScsiPrivate->PciIo,\r | |
2238 | AtapiScsiPrivate->IoPort->CylinderMsb,\r | |
2239 | (UINT8) (MAX_ATAPI_BYTE_COUNT >> 8)\r | |
2240 | );\r | |
2241 | \r | |
2242 | //\r | |
2243 | // DEFAULT_CTL:0x0a (0000,1010)\r | |
2244 | // Disable interrupt\r | |
2245 | //\r | |
2246 | WritePortB (\r | |
2247 | AtapiScsiPrivate->PciIo,\r | |
2248 | AtapiScsiPrivate->IoPort->Alt.DeviceControl,\r | |
2249 | DEFAULT_CTL\r | |
2250 | );\r | |
2251 | \r | |
2252 | //\r | |
2253 | // Send Packet command to inform device\r | |
2254 | // that the following data bytes are command packet.\r | |
2255 | //\r | |
2256 | WritePortB (\r | |
2257 | AtapiScsiPrivate->PciIo,\r | |
2258 | AtapiScsiPrivate->IoPort->Reg.Command,\r | |
2259 | PACKET_CMD\r | |
2260 | );\r | |
2261 | \r | |
2262 | //\r | |
2263 | // Before data transfer, BSY should be 0 and DRQ should be 1.\r | |
2264 | // if they are not in specified time frame,\r | |
2265 | // retrieve Sense Key from Error Register before return.\r | |
2266 | //\r | |
2267 | Status = StatusDRQReady (AtapiScsiPrivate, TimeoutInMicroSeconds);\r | |
2268 | if (EFI_ERROR (Status)) {\r | |
2269 | if (Status == EFI_ABORTED) {\r | |
2270 | Status = EFI_DEVICE_ERROR;\r | |
2271 | }\r | |
2272 | \r | |
2273 | *ByteCount = 0;\r | |
2274 | return Status;\r | |
2275 | }\r | |
2276 | \r | |
2277 | //\r | |
2278 | // Send out command packet\r | |
2279 | //\r | |
2280 | CommandIndex = (UINT16 *) PacketCommand;\r | |
2281 | for (Count = 0; Count < 6; Count++, CommandIndex++) {\r | |
2282 | WritePortW (AtapiScsiPrivate->PciIo, AtapiScsiPrivate->IoPort->Data, *CommandIndex);\r | |
2283 | }\r | |
2284 | \r | |
2285 | //\r | |
2286 | // call AtapiPassThruPioReadWriteData() function to get\r | |
2287 | // requested transfer data form device.\r | |
2288 | //\r | |
2289 | return AtapiPassThruPioReadWriteData (\r | |
2290 | AtapiScsiPrivate,\r | |
2291 | Buffer,\r | |
2292 | ByteCount,\r | |
2293 | Direction,\r | |
2294 | TimeoutInMicroSeconds\r | |
2295 | );\r | |
2296 | }\r | |
2297 | \r | |
2298 | EFI_STATUS\r | |
2299 | AtapiPassThruPioReadWriteData (\r | |
2300 | ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate,\r | |
2301 | UINT16 *Buffer,\r | |
2302 | UINT32 *ByteCount,\r | |
2303 | DATA_DIRECTION Direction,\r | |
2304 | UINT64 TimeoutInMicroSeconds\r | |
2305 | )\r | |
2306 | /*++\r | |
2307 | \r | |
2308 | Routine Description:\r | |
2309 | \r | |
2310 | Performs data transfer between ATAPI device and host after the\r | |
2311 | ATAPI command packet is sent.\r | |
6a6d955c | 2312 | \r |
823f7d4f | 2313 | Arguments:\r |
2314 | \r | |
6a6d955c | 2315 | AtapiScsiPrivate: Private data structure for the specified channel.\r |
823f7d4f | 2316 | Buffer: Points to the transferred data.\r |
2317 | ByteCount: When input,indicates the buffer size; when output,\r | |
2318 | indicates the actually transferred data size.\r | |
6a6d955c | 2319 | Direction: Indicates the data transfer direction.\r |
823f7d4f | 2320 | TimeoutInMicroSeconds:\r |
6a6d955c | 2321 | The timeout, in micro second units, to use for the\r |
823f7d4f | 2322 | execution of this ATAPI command.\r |
6a6d955c | 2323 | A TimeoutInMicroSeconds value of 0 means that\r |
2324 | this function will wait indefinitely for the ATAPI\r | |
823f7d4f | 2325 | command to execute.\r |
6a6d955c | 2326 | If TimeoutInMicroSeconds is greater than zero, then\r |
2327 | this function will return EFI_TIMEOUT if the time\r | |
2328 | required to execute the ATAPI command is greater\r | |
823f7d4f | 2329 | than TimeoutInMicroSeconds.\r |
2330 | Returns:\r | |
2331 | \r | |
2332 | EFI_STATUS\r | |
6a6d955c | 2333 | \r |
823f7d4f | 2334 | --*/\r |
2335 | {\r | |
2336 | UINT32 Index;\r | |
2337 | UINT32 RequiredWordCount;\r | |
2338 | UINT32 ActualWordCount;\r | |
2339 | UINT32 WordCount;\r | |
2340 | EFI_STATUS Status;\r | |
2341 | UINT16 *ptrBuffer;\r | |
2342 | \r | |
2343 | Status = EFI_SUCCESS;\r | |
2344 | \r | |
2345 | //\r | |
2346 | // Non Data transfer request is also supported.\r | |
2347 | //\r | |
2348 | if (*ByteCount == 0 || Buffer == NULL) {\r | |
2349 | *ByteCount = 0;\r | |
2350 | if (EFI_ERROR (StatusWaitForBSYClear (AtapiScsiPrivate, TimeoutInMicroSeconds))) {\r | |
2351 | return EFI_DEVICE_ERROR;\r | |
2352 | }\r | |
2353 | }\r | |
2354 | \r | |
2355 | ptrBuffer = Buffer;\r | |
2356 | RequiredWordCount = *ByteCount / 2;\r | |
2357 | \r | |
2358 | //\r | |
2359 | // ActuralWordCount means the word count of data really transfered.\r | |
2360 | //\r | |
2361 | ActualWordCount = 0;\r | |
2362 | \r | |
2363 | while (ActualWordCount < RequiredWordCount) {\r | |
2364 | //\r | |
2365 | // before each data transfer stream, the host should poll DRQ bit ready,\r | |
2366 | // which indicates device's ready for data transfer .\r | |
2367 | //\r | |
2368 | Status = StatusDRQReady (AtapiScsiPrivate, TimeoutInMicroSeconds);\r | |
2369 | if (EFI_ERROR (Status)) {\r | |
2370 | *ByteCount = ActualWordCount * 2;\r | |
2371 | \r | |
2372 | AtapiPassThruCheckErrorStatus (AtapiScsiPrivate);\r | |
2373 | \r | |
2374 | if (ActualWordCount == 0) {\r | |
2375 | return EFI_DEVICE_ERROR;\r | |
2376 | }\r | |
2377 | //\r | |
2378 | // ActualWordCount > 0\r | |
2379 | //\r | |
2380 | if (ActualWordCount < RequiredWordCount) {\r | |
2381 | return EFI_BAD_BUFFER_SIZE;\r | |
2382 | }\r | |
2383 | }\r | |
2384 | //\r | |
2385 | // get current data transfer size from Cylinder Registers.\r | |
2386 | //\r | |
2387 | WordCount = ReadPortB (AtapiScsiPrivate->PciIo, AtapiScsiPrivate->IoPort->CylinderMsb) << 8;\r | |
2388 | WordCount = WordCount | ReadPortB (AtapiScsiPrivate->PciIo, AtapiScsiPrivate->IoPort->CylinderLsb);\r | |
2389 | WordCount = WordCount & 0xffff;\r | |
2390 | WordCount /= 2;\r | |
2391 | \r | |
2392 | //\r | |
2393 | // perform a series data In/Out.\r | |
2394 | //\r | |
2395 | for (Index = 0; (Index < WordCount) && (ActualWordCount < RequiredWordCount); Index++, ActualWordCount++) {\r | |
2396 | \r | |
2397 | if (Direction == DataIn) {\r | |
2398 | \r | |
2399 | *ptrBuffer = ReadPortW (AtapiScsiPrivate->PciIo, AtapiScsiPrivate->IoPort->Data);\r | |
2400 | } else {\r | |
2401 | \r | |
2402 | WritePortW (AtapiScsiPrivate->PciIo, AtapiScsiPrivate->IoPort->Data, *ptrBuffer);\r | |
2403 | }\r | |
2404 | \r | |
2405 | ptrBuffer++;\r | |
2406 | \r | |
2407 | }\r | |
2408 | }\r | |
2409 | //\r | |
2410 | // After data transfer is completed, normally, DRQ bit should clear.\r | |
2411 | //\r | |
2412 | StatusDRQClear (AtapiScsiPrivate, TimeoutInMicroSeconds);\r | |
2413 | \r | |
2414 | //\r | |
2415 | // read status register to check whether error happens.\r | |
2416 | //\r | |
2417 | Status = AtapiPassThruCheckErrorStatus (AtapiScsiPrivate);\r | |
2418 | \r | |
2419 | *ByteCount = ActualWordCount * 2;\r | |
2420 | \r | |
2421 | return Status;\r | |
2422 | }\r | |
2423 | \r | |
2424 | \r | |
2425 | UINT8\r | |
2426 | ReadPortB (\r | |
2427 | IN EFI_PCI_IO_PROTOCOL *PciIo,\r | |
2428 | IN UINT16 Port\r | |
2429 | )\r | |
2430 | /*++\r | |
2431 | \r | |
2432 | Routine Description:\r | |
2433 | \r | |
2434 | Read one byte from a specified I/O port.\r | |
2435 | \r | |
2436 | Arguments:\r | |
2437 | \r | |
2438 | PciIo - The pointer of EFI_PCI_IO_PROTOCOL\r | |
2439 | Port - IO port\r | |
6a6d955c | 2440 | \r |
823f7d4f | 2441 | Returns:\r |
2442 | \r | |
2443 | A byte read out\r | |
2444 | \r | |
2445 | --*/\r | |
2446 | {\r | |
2447 | UINT8 Data;\r | |
2448 | \r | |
2449 | Data = 0;\r | |
2450 | PciIo->Io.Read (\r | |
2451 | PciIo,\r | |
2452 | EfiPciIoWidthUint8,\r | |
2453 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
2454 | (UINT64) Port,\r | |
2455 | 1,\r | |
2456 | &Data\r | |
2457 | );\r | |
2458 | return Data;\r | |
2459 | }\r | |
2460 | \r | |
2461 | \r | |
2462 | UINT16\r | |
2463 | ReadPortW (\r | |
2464 | IN EFI_PCI_IO_PROTOCOL *PciIo,\r | |
2465 | IN UINT16 Port\r | |
2466 | )\r | |
2467 | /*++\r | |
2468 | \r | |
2469 | Routine Description:\r | |
2470 | \r | |
2471 | Read one word from a specified I/O port.\r | |
2472 | \r | |
2473 | Arguments:\r | |
2474 | \r | |
2475 | PciIo - The pointer of EFI_PCI_IO_PROTOCOL\r | |
2476 | Port - IO port\r | |
6a6d955c | 2477 | \r |
823f7d4f | 2478 | Returns:\r |
2479 | \r | |
2480 | A word read out\r | |
2481 | --*/\r | |
2482 | {\r | |
2483 | UINT16 Data;\r | |
2484 | \r | |
2485 | Data = 0;\r | |
2486 | PciIo->Io.Read (\r | |
2487 | PciIo,\r | |
2488 | EfiPciIoWidthUint16,\r | |
2489 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
2490 | (UINT64) Port,\r | |
2491 | 1,\r | |
2492 | &Data\r | |
2493 | );\r | |
2494 | return Data;\r | |
2495 | }\r | |
2496 | \r | |
2497 | \r | |
2498 | VOID\r | |
2499 | WritePortB (\r | |
2500 | IN EFI_PCI_IO_PROTOCOL *PciIo,\r | |
2501 | IN UINT16 Port,\r | |
2502 | IN UINT8 Data\r | |
2503 | )\r | |
2504 | /*++\r | |
2505 | \r | |
2506 | Routine Description:\r | |
2507 | \r | |
2508 | Write one byte to a specified I/O port.\r | |
2509 | \r | |
2510 | Arguments:\r | |
2511 | \r | |
2512 | PciIo - The pointer of EFI_PCI_IO_PROTOCOL\r | |
2513 | Port - IO port\r | |
2514 | Data - The data to write\r | |
6a6d955c | 2515 | \r |
823f7d4f | 2516 | Returns:\r |
2517 | \r | |
2518 | NONE\r | |
2519 | \r | |
2520 | --*/\r | |
2521 | {\r | |
2522 | PciIo->Io.Write (\r | |
2523 | PciIo,\r | |
2524 | EfiPciIoWidthUint8,\r | |
2525 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
2526 | (UINT64) Port,\r | |
2527 | 1,\r | |
2528 | &Data\r | |
2529 | );\r | |
2530 | }\r | |
2531 | \r | |
2532 | \r | |
2533 | VOID\r | |
2534 | WritePortW (\r | |
2535 | IN EFI_PCI_IO_PROTOCOL *PciIo,\r | |
2536 | IN UINT16 Port,\r | |
2537 | IN UINT16 Data\r | |
2538 | )\r | |
2539 | /*++\r | |
2540 | \r | |
2541 | Routine Description:\r | |
2542 | \r | |
2543 | Write one word to a specified I/O port.\r | |
2544 | \r | |
2545 | Arguments:\r | |
2546 | \r | |
2547 | PciIo - The pointer of EFI_PCI_IO_PROTOCOL\r | |
2548 | Port - IO port\r | |
2549 | Data - The data to write\r | |
6a6d955c | 2550 | \r |
823f7d4f | 2551 | Returns:\r |
2552 | \r | |
2553 | NONE\r | |
6a6d955c | 2554 | \r |
823f7d4f | 2555 | --*/\r |
2556 | {\r | |
2557 | PciIo->Io.Write (\r | |
2558 | PciIo,\r | |
2559 | EfiPciIoWidthUint16,\r | |
2560 | EFI_PCI_IO_PASS_THROUGH_BAR,\r | |
2561 | (UINT64) Port,\r | |
2562 | 1,\r | |
2563 | &Data\r | |
2564 | );\r | |
2565 | }\r | |
2566 | \r | |
2567 | EFI_STATUS\r | |
2568 | StatusDRQClear (\r | |
2569 | ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate,\r | |
2570 | UINT64 TimeoutInMicroSeconds\r | |
2571 | )\r | |
2572 | /*++\r | |
2573 | \r | |
2574 | Routine Description:\r | |
2575 | \r | |
2576 | Check whether DRQ is clear in the Status Register. (BSY must also be cleared)\r | |
2577 | If TimeoutInMicroSeconds is zero, this routine should wait infinitely for\r | |
6a6d955c | 2578 | DRQ clear. Otherwise, it will return EFI_TIMEOUT when specified time is\r |
823f7d4f | 2579 | elapsed.\r |
2580 | \r | |
2581 | Arguments:\r | |
2582 | \r | |
2583 | AtapiScsiPrivate - The pointer of ATAPI_SCSI_PASS_THRU_DEV\r | |
2584 | TimeoutInMicroSeconds - The time to wait for\r | |
6a6d955c | 2585 | \r |
823f7d4f | 2586 | Returns:\r |
2587 | \r | |
2588 | EFI_STATUS\r | |
6a6d955c | 2589 | \r |
823f7d4f | 2590 | --*/\r |
2591 | {\r | |
2592 | UINT64 Delay;\r | |
2593 | UINT8 StatusRegister;\r | |
2594 | UINT8 ErrRegister;\r | |
2595 | \r | |
2596 | if (TimeoutInMicroSeconds == 0) {\r | |
2597 | Delay = 2;\r | |
2598 | } else {\r | |
2599 | Delay = DivU64x32 (TimeoutInMicroSeconds, (UINT32) 30) + 1;\r | |
2600 | }\r | |
2601 | \r | |
2602 | do {\r | |
2603 | \r | |
2604 | StatusRegister = ReadPortB (\r | |
2605 | AtapiScsiPrivate->PciIo,\r | |
2606 | AtapiScsiPrivate->IoPort->Reg.Status\r | |
2607 | );\r | |
2608 | \r | |
2609 | //\r | |
2610 | // wait for BSY == 0 and DRQ == 0\r | |
2611 | //\r | |
2612 | if ((StatusRegister & (DRQ | BSY)) == 0) {\r | |
2613 | break;\r | |
2614 | }\r | |
2615 | //\r | |
2616 | // check whether the command is aborted by the device\r | |
2617 | //\r | |
2618 | if ((StatusRegister & (BSY | ERR)) == ERR) {\r | |
2619 | \r | |
2620 | ErrRegister = ReadPortB (\r | |
2621 | AtapiScsiPrivate->PciIo,\r | |
2622 | AtapiScsiPrivate->IoPort->Reg1.Error\r | |
2623 | );\r | |
2624 | if ((ErrRegister & ABRT_ERR) == ABRT_ERR) {\r | |
2625 | \r | |
2626 | return EFI_ABORTED;\r | |
2627 | }\r | |
2628 | }\r | |
2629 | //\r | |
2630 | // Stall for 30 us\r | |
2631 | //\r | |
2632 | gBS->Stall (30);\r | |
2633 | \r | |
2634 | //\r | |
2635 | // Loop infinitely if not meeting expected condition\r | |
2636 | //\r | |
2637 | if (TimeoutInMicroSeconds == 0) {\r | |
2638 | Delay = 2;\r | |
2639 | }\r | |
2640 | \r | |
2641 | Delay--;\r | |
2642 | } while (Delay);\r | |
2643 | \r | |
2644 | if (Delay == 0) {\r | |
2645 | return EFI_TIMEOUT;\r | |
2646 | }\r | |
2647 | \r | |
2648 | return EFI_SUCCESS;\r | |
2649 | }\r | |
2650 | \r | |
2651 | EFI_STATUS\r | |
2652 | AltStatusDRQClear (\r | |
2653 | ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate,\r | |
2654 | UINT64 TimeoutInMicroSeconds\r | |
2655 | )\r | |
2656 | /*++\r | |
2657 | \r | |
2658 | Routine Description:\r | |
2659 | \r | |
6a6d955c | 2660 | Check whether DRQ is clear in the Alternate Status Register.\r |
2661 | (BSY must also be cleared).If TimeoutInMicroSeconds is zero, this routine should\r | |
2662 | wait infinitely for DRQ clear. Otherwise, it will return EFI_TIMEOUT when specified time is\r | |
823f7d4f | 2663 | elapsed.\r |
2664 | \r | |
2665 | Arguments:\r | |
2666 | \r | |
2667 | AtapiScsiPrivate - The pointer of ATAPI_SCSI_PASS_THRU_DEV\r | |
2668 | TimeoutInMicroSeconds - The time to wait for\r | |
6a6d955c | 2669 | \r |
823f7d4f | 2670 | Returns:\r |
2671 | \r | |
2672 | EFI_STATUS\r | |
2673 | \r | |
2674 | --*/\r | |
2675 | {\r | |
2676 | UINT64 Delay;\r | |
2677 | UINT8 AltStatusRegister;\r | |
2678 | UINT8 ErrRegister;\r | |
2679 | \r | |
2680 | if (TimeoutInMicroSeconds == 0) {\r | |
2681 | Delay = 2;\r | |
2682 | } else {\r | |
2683 | Delay = DivU64x32 (TimeoutInMicroSeconds, (UINT32) 30) + 1;\r | |
2684 | }\r | |
2685 | \r | |
2686 | do {\r | |
2687 | \r | |
2688 | AltStatusRegister = ReadPortB (\r | |
2689 | AtapiScsiPrivate->PciIo,\r | |
2690 | AtapiScsiPrivate->IoPort->Alt.AltStatus\r | |
2691 | );\r | |
2692 | \r | |
2693 | //\r | |
2694 | // wait for BSY == 0 and DRQ == 0\r | |
2695 | //\r | |
2696 | if ((AltStatusRegister & (DRQ | BSY)) == 0) {\r | |
2697 | break;\r | |
2698 | }\r | |
2699 | \r | |
2700 | if ((AltStatusRegister & (BSY | ERR)) == ERR) {\r | |
2701 | \r | |
2702 | ErrRegister = ReadPortB (\r | |
2703 | AtapiScsiPrivate->PciIo,\r | |
2704 | AtapiScsiPrivate->IoPort->Reg1.Error\r | |
2705 | );\r | |
2706 | if ((ErrRegister & ABRT_ERR) == ABRT_ERR) {\r | |
2707 | \r | |
2708 | return EFI_ABORTED;\r | |
2709 | }\r | |
2710 | }\r | |
2711 | //\r | |
2712 | // Stall for 30 us\r | |
2713 | //\r | |
2714 | gBS->Stall (30);\r | |
2715 | \r | |
2716 | //\r | |
2717 | // Loop infinitely if not meeting expected condition\r | |
2718 | //\r | |
2719 | if (TimeoutInMicroSeconds == 0) {\r | |
2720 | Delay = 2;\r | |
2721 | }\r | |
2722 | \r | |
2723 | Delay--;\r | |
2724 | } while (Delay);\r | |
2725 | \r | |
2726 | if (Delay == 0) {\r | |
2727 | return EFI_TIMEOUT;\r | |
2728 | }\r | |
2729 | \r | |
2730 | return EFI_SUCCESS;\r | |
2731 | }\r | |
2732 | \r | |
2733 | EFI_STATUS\r | |
2734 | StatusDRQReady (\r | |
2735 | ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate,\r | |
2736 | UINT64 TimeoutInMicroSeconds\r | |
2737 | )\r | |
2738 | /*++\r | |
2739 | \r | |
2740 | Routine Description:\r | |
2741 | \r | |
2742 | Check whether DRQ is ready in the Status Register. (BSY must also be cleared)\r | |
2743 | If TimeoutInMicroSeconds is zero, this routine should wait infinitely for\r | |
6a6d955c | 2744 | DRQ ready. Otherwise, it will return EFI_TIMEOUT when specified time is\r |
823f7d4f | 2745 | elapsed.\r |
2746 | \r | |
2747 | Arguments:\r | |
2748 | \r | |
2749 | AtapiScsiPrivate - The pointer of ATAPI_SCSI_PASS_THRU_DEV\r | |
2750 | TimeoutInMicroSeconds - The time to wait for\r | |
6a6d955c | 2751 | \r |
823f7d4f | 2752 | Returns:\r |
2753 | \r | |
2754 | EFI_STATUS\r | |
2755 | \r | |
2756 | --*/\r | |
2757 | {\r | |
2758 | UINT64 Delay;\r | |
2759 | UINT8 StatusRegister;\r | |
2760 | UINT8 ErrRegister;\r | |
2761 | \r | |
2762 | if (TimeoutInMicroSeconds == 0) {\r | |
2763 | Delay = 2;\r | |
2764 | } else {\r | |
2765 | Delay = DivU64x32 (TimeoutInMicroSeconds, (UINT32) 30) + 1;\r | |
2766 | }\r | |
2767 | \r | |
2768 | do {\r | |
2769 | //\r | |
2770 | // read Status Register will clear interrupt\r | |
2771 | //\r | |
2772 | StatusRegister = ReadPortB (\r | |
2773 | AtapiScsiPrivate->PciIo,\r | |
2774 | AtapiScsiPrivate->IoPort->Reg.Status\r | |
2775 | );\r | |
2776 | \r | |
2777 | //\r | |
2778 | // BSY==0,DRQ==1\r | |
2779 | //\r | |
2780 | if ((StatusRegister & (BSY | DRQ)) == DRQ) {\r | |
2781 | break;\r | |
2782 | }\r | |
2783 | \r | |
2784 | if ((StatusRegister & (BSY | ERR)) == ERR) {\r | |
2785 | \r | |
2786 | ErrRegister = ReadPortB (\r | |
2787 | AtapiScsiPrivate->PciIo,\r | |
2788 | AtapiScsiPrivate->IoPort->Reg1.Error\r | |
2789 | );\r | |
2790 | if ((ErrRegister & ABRT_ERR) == ABRT_ERR) {\r | |
2791 | return EFI_ABORTED;\r | |
2792 | }\r | |
2793 | }\r | |
2794 | \r | |
2795 | //\r | |
2796 | // Stall for 30 us\r | |
2797 | //\r | |
2798 | gBS->Stall (30);\r | |
2799 | \r | |
2800 | //\r | |
2801 | // Loop infinitely if not meeting expected condition\r | |
2802 | //\r | |
2803 | if (TimeoutInMicroSeconds == 0) {\r | |
2804 | Delay = 2;\r | |
2805 | }\r | |
2806 | \r | |
2807 | Delay--;\r | |
2808 | } while (Delay);\r | |
2809 | \r | |
2810 | if (Delay == 0) {\r | |
2811 | return EFI_TIMEOUT;\r | |
2812 | }\r | |
2813 | \r | |
2814 | return EFI_SUCCESS;\r | |
2815 | }\r | |
2816 | \r | |
2817 | EFI_STATUS\r | |
2818 | AltStatusDRQReady (\r | |
2819 | ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate,\r | |
2820 | UINT64 TimeoutInMicroSeconds\r | |
2821 | )\r | |
2822 | /*++\r | |
2823 | \r | |
2824 | Routine Description:\r | |
2825 | \r | |
6a6d955c | 2826 | Check whether DRQ is ready in the Alternate Status Register.\r |
823f7d4f | 2827 | (BSY must also be cleared)\r |
2828 | If TimeoutInMicroSeconds is zero, this routine should wait infinitely for\r | |
6a6d955c | 2829 | DRQ ready. Otherwise, it will return EFI_TIMEOUT when specified time is\r |
823f7d4f | 2830 | elapsed.\r |
2831 | \r | |
2832 | Arguments:\r | |
2833 | \r | |
2834 | AtapiScsiPrivate - The pointer of ATAPI_SCSI_PASS_THRU_DEV\r | |
2835 | TimeoutInMicroSeconds - The time to wait for\r | |
6a6d955c | 2836 | \r |
823f7d4f | 2837 | Returns:\r |
2838 | \r | |
2839 | EFI_STATUS\r | |
2840 | \r | |
2841 | --*/\r | |
2842 | {\r | |
2843 | UINT64 Delay;\r | |
2844 | UINT8 AltStatusRegister;\r | |
2845 | UINT8 ErrRegister;\r | |
2846 | \r | |
2847 | if (TimeoutInMicroSeconds == 0) {\r | |
2848 | Delay = 2;\r | |
2849 | } else {\r | |
2850 | Delay = DivU64x32 (TimeoutInMicroSeconds, (UINT32) 30) + 1;\r | |
2851 | }\r | |
2852 | \r | |
2853 | do {\r | |
2854 | //\r | |
2855 | // read Status Register will clear interrupt\r | |
2856 | //\r | |
2857 | AltStatusRegister = ReadPortB (\r | |
2858 | AtapiScsiPrivate->PciIo,\r | |
2859 | AtapiScsiPrivate->IoPort->Alt.AltStatus\r | |
2860 | );\r | |
2861 | //\r | |
2862 | // BSY==0,DRQ==1\r | |
2863 | //\r | |
2864 | if ((AltStatusRegister & (BSY | DRQ)) == DRQ) {\r | |
2865 | break;\r | |
2866 | }\r | |
2867 | \r | |
2868 | if ((AltStatusRegister & (BSY | ERR)) == ERR) {\r | |
2869 | \r | |
2870 | ErrRegister = ReadPortB (\r | |
2871 | AtapiScsiPrivate->PciIo,\r | |
2872 | AtapiScsiPrivate->IoPort->Reg1.Error\r | |
2873 | );\r | |
2874 | if ((ErrRegister & ABRT_ERR) == ABRT_ERR) {\r | |
2875 | return EFI_ABORTED;\r | |
2876 | }\r | |
2877 | }\r | |
2878 | \r | |
2879 | //\r | |
2880 | // Stall for 30 us\r | |
2881 | //\r | |
2882 | gBS->Stall (30);\r | |
2883 | \r | |
2884 | //\r | |
2885 | // Loop infinitely if not meeting expected condition\r | |
2886 | //\r | |
2887 | if (TimeoutInMicroSeconds == 0) {\r | |
2888 | Delay = 2;\r | |
2889 | }\r | |
2890 | \r | |
2891 | Delay--;\r | |
2892 | } while (Delay);\r | |
2893 | \r | |
2894 | if (Delay == 0) {\r | |
2895 | return EFI_TIMEOUT;\r | |
2896 | }\r | |
2897 | \r | |
2898 | return EFI_SUCCESS;\r | |
2899 | }\r | |
2900 | \r | |
2901 | EFI_STATUS\r | |
2902 | StatusWaitForBSYClear (\r | |
2903 | ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate,\r | |
2904 | UINT64 TimeoutInMicroSeconds\r | |
2905 | )\r | |
2906 | /*++\r | |
2907 | \r | |
2908 | Routine Description:\r | |
2909 | \r | |
2910 | Check whether BSY is clear in the Status Register.\r | |
2911 | If TimeoutInMicroSeconds is zero, this routine should wait infinitely for\r | |
6a6d955c | 2912 | BSY clear. Otherwise, it will return EFI_TIMEOUT when specified time is\r |
823f7d4f | 2913 | elapsed.\r |
2914 | \r | |
2915 | Arguments:\r | |
2916 | \r | |
2917 | AtapiScsiPrivate - The pointer of ATAPI_SCSI_PASS_THRU_DEV\r | |
2918 | TimeoutInMicroSeconds - The time to wait for\r | |
6a6d955c | 2919 | \r |
823f7d4f | 2920 | Returns:\r |
2921 | \r | |
2922 | EFI_STATUS\r | |
2923 | \r | |
2924 | --*/\r | |
2925 | {\r | |
2926 | UINT64 Delay;\r | |
2927 | UINT8 StatusRegister;\r | |
2928 | \r | |
2929 | if (TimeoutInMicroSeconds == 0) {\r | |
2930 | Delay = 2;\r | |
2931 | } else {\r | |
2932 | Delay = DivU64x32 (TimeoutInMicroSeconds, (UINT32) 30) + 1;\r | |
2933 | }\r | |
2934 | \r | |
2935 | do {\r | |
2936 | \r | |
2937 | StatusRegister = ReadPortB (\r | |
2938 | AtapiScsiPrivate->PciIo,\r | |
2939 | AtapiScsiPrivate->IoPort->Reg.Status\r | |
2940 | );\r | |
2941 | if ((StatusRegister & BSY) == 0x00) {\r | |
2942 | break;\r | |
2943 | }\r | |
2944 | \r | |
2945 | //\r | |
2946 | // Stall for 30 us\r | |
2947 | //\r | |
2948 | gBS->Stall (30);\r | |
2949 | \r | |
2950 | //\r | |
2951 | // Loop infinitely if not meeting expected condition\r | |
2952 | //\r | |
2953 | if (TimeoutInMicroSeconds == 0) {\r | |
2954 | Delay = 2;\r | |
2955 | }\r | |
2956 | \r | |
2957 | Delay--;\r | |
2958 | } while (Delay);\r | |
2959 | \r | |
2960 | if (Delay == 0) {\r | |
2961 | return EFI_TIMEOUT;\r | |
2962 | }\r | |
2963 | \r | |
2964 | return EFI_SUCCESS;\r | |
2965 | }\r | |
2966 | \r | |
2967 | EFI_STATUS\r | |
2968 | AltStatusWaitForBSYClear (\r | |
2969 | ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate,\r | |
2970 | UINT64 TimeoutInMicroSeconds\r | |
2971 | )\r | |
2972 | /*++\r | |
2973 | \r | |
2974 | Routine Description:\r | |
2975 | \r | |
2976 | Check whether BSY is clear in the Alternate Status Register.\r | |
2977 | If TimeoutInMicroSeconds is zero, this routine should wait infinitely for\r | |
6a6d955c | 2978 | BSY clear. Otherwise, it will return EFI_TIMEOUT when specified time is\r |
823f7d4f | 2979 | elapsed.\r |
2980 | \r | |
2981 | Arguments:\r | |
2982 | \r | |
2983 | AtapiScsiPrivate - The pointer of ATAPI_SCSI_PASS_THRU_DEV\r | |
2984 | TimeoutInMicroSeconds - The time to wait for\r | |
6a6d955c | 2985 | \r |
823f7d4f | 2986 | Returns:\r |
2987 | \r | |
2988 | EFI_STATUS\r | |
2989 | \r | |
2990 | --*/\r | |
2991 | {\r | |
2992 | UINT64 Delay;\r | |
2993 | UINT8 AltStatusRegister;\r | |
2994 | \r | |
2995 | if (TimeoutInMicroSeconds == 0) {\r | |
2996 | Delay = 2;\r | |
2997 | } else {\r | |
2998 | Delay = DivU64x32 (TimeoutInMicroSeconds, (UINT32) 30) + 1;\r | |
2999 | }\r | |
3000 | \r | |
3001 | do {\r | |
3002 | \r | |
3003 | AltStatusRegister = ReadPortB (\r | |
3004 | AtapiScsiPrivate->PciIo,\r | |
3005 | AtapiScsiPrivate->IoPort->Alt.AltStatus\r | |
3006 | );\r | |
3007 | if ((AltStatusRegister & BSY) == 0x00) {\r | |
3008 | break;\r | |
3009 | }\r | |
3010 | \r | |
3011 | //\r | |
3012 | // Stall for 30 us\r | |
3013 | //\r | |
3014 | gBS->Stall (30);\r | |
3015 | //\r | |
3016 | // Loop infinitely if not meeting expected condition\r | |
3017 | //\r | |
3018 | if (TimeoutInMicroSeconds == 0) {\r | |
3019 | Delay = 2;\r | |
3020 | }\r | |
3021 | \r | |
3022 | Delay--;\r | |
3023 | } while (Delay);\r | |
3024 | \r | |
3025 | if (Delay == 0) {\r | |
3026 | return EFI_TIMEOUT;\r | |
3027 | }\r | |
3028 | \r | |
3029 | return EFI_SUCCESS;\r | |
3030 | }\r | |
3031 | \r | |
3032 | EFI_STATUS\r | |
3033 | StatusDRDYReady (\r | |
3034 | ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate,\r | |
3035 | UINT64 TimeoutInMicroSeconds\r | |
3036 | )\r | |
3037 | /*++\r | |
3038 | \r | |
3039 | Routine Description:\r | |
3040 | \r | |
6a6d955c | 3041 | Check whether DRDY is ready in the Status Register.\r |
823f7d4f | 3042 | (BSY must also be cleared)\r |
3043 | If TimeoutInMicroSeconds is zero, this routine should wait infinitely for\r | |
6a6d955c | 3044 | DRDY ready. Otherwise, it will return EFI_TIMEOUT when specified time is\r |
823f7d4f | 3045 | elapsed.\r |
3046 | \r | |
3047 | Arguments:\r | |
3048 | \r | |
3049 | AtapiScsiPrivate - The pointer of ATAPI_SCSI_PASS_THRU_DEV\r | |
3050 | TimeoutInMicroSeconds - The time to wait for\r | |
6a6d955c | 3051 | \r |
823f7d4f | 3052 | Returns:\r |
3053 | \r | |
3054 | EFI_STATUS\r | |
3055 | \r | |
3056 | --*/\r | |
3057 | {\r | |
3058 | UINT64 Delay;\r | |
3059 | UINT8 StatusRegister;\r | |
3060 | UINT8 ErrRegister;\r | |
3061 | \r | |
3062 | if (TimeoutInMicroSeconds == 0) {\r | |
3063 | Delay = 2;\r | |
3064 | } else {\r | |
3065 | Delay = DivU64x32 (TimeoutInMicroSeconds, (UINT32) 30) + 1;\r | |
3066 | }\r | |
3067 | \r | |
3068 | do {\r | |
3069 | StatusRegister = ReadPortB (\r | |
3070 | AtapiScsiPrivate->PciIo,\r | |
3071 | AtapiScsiPrivate->IoPort->Reg.Status\r | |
3072 | );\r | |
3073 | //\r | |
3074 | // BSY == 0 , DRDY == 1\r | |
3075 | //\r | |
3076 | if ((StatusRegister & (DRDY | BSY)) == DRDY) {\r | |
3077 | break;\r | |
3078 | }\r | |
3079 | \r | |
3080 | if ((StatusRegister & (BSY | ERR)) == ERR) {\r | |
3081 | \r | |
3082 | ErrRegister = ReadPortB (\r | |
3083 | AtapiScsiPrivate->PciIo,\r | |
3084 | AtapiScsiPrivate->IoPort->Reg1.Error\r | |
3085 | );\r | |
3086 | if ((ErrRegister & ABRT_ERR) == ABRT_ERR) {\r | |
3087 | return EFI_ABORTED;\r | |
3088 | }\r | |
3089 | }\r | |
3090 | \r | |
3091 | //\r | |
3092 | // Stall for 30 us\r | |
3093 | //\r | |
3094 | gBS->Stall (30);\r | |
3095 | //\r | |
3096 | // Loop infinitely if not meeting expected condition\r | |
3097 | //\r | |
3098 | if (TimeoutInMicroSeconds == 0) {\r | |
3099 | Delay = 2;\r | |
3100 | }\r | |
3101 | \r | |
3102 | Delay--;\r | |
3103 | } while (Delay);\r | |
3104 | \r | |
3105 | if (Delay == 0) {\r | |
3106 | return EFI_TIMEOUT;\r | |
3107 | }\r | |
3108 | \r | |
3109 | return EFI_SUCCESS;\r | |
3110 | }\r | |
3111 | \r | |
3112 | EFI_STATUS\r | |
3113 | AltStatusDRDYReady (\r | |
3114 | ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate,\r | |
3115 | UINT64 TimeoutInMicroSeconds\r | |
3116 | )\r | |
3117 | /*++\r | |
3118 | \r | |
3119 | Routine Description:\r | |
3120 | \r | |
6a6d955c | 3121 | Check whether DRDY is ready in the Alternate Status Register.\r |
823f7d4f | 3122 | (BSY must also be cleared)\r |
3123 | If TimeoutInMicroSeconds is zero, this routine should wait infinitely for\r | |
6a6d955c | 3124 | DRDY ready. Otherwise, it will return EFI_TIMEOUT when specified time is\r |
823f7d4f | 3125 | elapsed.\r |
3126 | \r | |
3127 | Arguments:\r | |
3128 | \r | |
3129 | AtapiScsiPrivate - The pointer of ATAPI_SCSI_PASS_THRU_DEV\r | |
3130 | TimeoutInMicroSeconds - The time to wait for\r | |
6a6d955c | 3131 | \r |
823f7d4f | 3132 | Returns:\r |
3133 | \r | |
3134 | EFI_STATUS\r | |
3135 | \r | |
3136 | --*/\r | |
3137 | {\r | |
3138 | UINT64 Delay;\r | |
3139 | UINT8 AltStatusRegister;\r | |
3140 | UINT8 ErrRegister;\r | |
3141 | \r | |
3142 | if (TimeoutInMicroSeconds == 0) {\r | |
3143 | Delay = 2;\r | |
3144 | } else {\r | |
3145 | Delay = DivU64x32 (TimeoutInMicroSeconds, (UINT32) 30) + 1;\r | |
3146 | }\r | |
3147 | \r | |
3148 | do {\r | |
3149 | AltStatusRegister = ReadPortB (\r | |
3150 | AtapiScsiPrivate->PciIo,\r | |
3151 | AtapiScsiPrivate->IoPort->Alt.AltStatus\r | |
3152 | );\r | |
3153 | //\r | |
3154 | // BSY == 0 , DRDY == 1\r | |
3155 | //\r | |
3156 | if ((AltStatusRegister & (DRDY | BSY)) == DRDY) {\r | |
3157 | break;\r | |
3158 | }\r | |
3159 | \r | |
3160 | if ((AltStatusRegister & (BSY | ERR)) == ERR) {\r | |
3161 | \r | |
3162 | ErrRegister = ReadPortB (\r | |
3163 | AtapiScsiPrivate->PciIo,\r | |
3164 | AtapiScsiPrivate->IoPort->Reg1.Error\r | |
3165 | );\r | |
3166 | if ((ErrRegister & ABRT_ERR) == ABRT_ERR) {\r | |
3167 | return EFI_ABORTED;\r | |
3168 | }\r | |
3169 | }\r | |
3170 | \r | |
3171 | //\r | |
3172 | // Stall for 30 us\r | |
3173 | //\r | |
3174 | gBS->Stall (30);\r | |
3175 | //\r | |
3176 | // Loop infinitely if not meeting expected condition\r | |
3177 | //\r | |
3178 | if (TimeoutInMicroSeconds == 0) {\r | |
3179 | Delay = 2;\r | |
3180 | }\r | |
3181 | \r | |
3182 | Delay--;\r | |
3183 | } while (Delay);\r | |
3184 | \r | |
3185 | if (Delay == 0) {\r | |
3186 | return EFI_TIMEOUT;\r | |
3187 | }\r | |
3188 | \r | |
3189 | return EFI_SUCCESS;\r | |
3190 | }\r | |
3191 | \r | |
3192 | EFI_STATUS\r | |
3193 | AtapiPassThruCheckErrorStatus (\r | |
3194 | ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate\r | |
3195 | )\r | |
6a6d955c | 3196 | /*++\r |
823f7d4f | 3197 | \r |
3198 | Routine Description:\r | |
3199 | \r | |
6a6d955c | 3200 | Check Error Register for Error Information.\r |
3201 | \r | |
823f7d4f | 3202 | Arguments:\r |
3203 | \r | |
3204 | AtapiScsiPrivate - The pointer of ATAPI_SCSI_PASS_THRU_DEV\r | |
6a6d955c | 3205 | \r |
823f7d4f | 3206 | Returns:\r |
3207 | \r | |
3208 | EFI_STATUS\r | |
3209 | \r | |
3210 | --*/\r | |
3211 | {\r | |
3212 | UINT8 StatusRegister;\r | |
3213 | UINT8 ErrorRegister;\r | |
3214 | \r | |
3215 | StatusRegister = ReadPortB (\r | |
3216 | AtapiScsiPrivate->PciIo,\r | |
3217 | AtapiScsiPrivate->IoPort->Reg.Status\r | |
3218 | );\r | |
3219 | \r | |
3220 | DEBUG_CODE_BEGIN ();\r | |
3221 | \r | |
3222 | if (StatusRegister & DWF) {\r | |
3223 | DEBUG (\r | |
3224 | (EFI_D_BLKIO,\r | |
3225 | "AtapiPassThruCheckErrorStatus()-- %02x : Error : Write Fault\n",\r | |
3226 | StatusRegister)\r | |
3227 | );\r | |
3228 | }\r | |
3229 | \r | |
3230 | if (StatusRegister & CORR) {\r | |
3231 | DEBUG (\r | |
3232 | (EFI_D_BLKIO,\r | |
3233 | "AtapiPassThruCheckErrorStatus()-- %02x : Error : Corrected Data\n",\r | |
3234 | StatusRegister)\r | |
3235 | );\r | |
3236 | }\r | |
3237 | \r | |
3238 | if (StatusRegister & ERR) {\r | |
3239 | ErrorRegister = ReadPortB (AtapiScsiPrivate->PciIo, AtapiScsiPrivate->IoPort->Reg1.Error);\r | |
3240 | \r | |
3241 | \r | |
3242 | if (ErrorRegister & BBK_ERR) {\r | |
3243 | DEBUG (\r | |
3244 | (EFI_D_BLKIO,\r | |
3245 | "AtapiPassThruCheckErrorStatus()-- %02x : Error : Bad Block Detected\n",\r | |
3246 | ErrorRegister)\r | |
3247 | );\r | |
3248 | }\r | |
3249 | \r | |
3250 | if (ErrorRegister & UNC_ERR) {\r | |
3251 | DEBUG (\r | |
3252 | (EFI_D_BLKIO,\r | |
3253 | "AtapiPassThruCheckErrorStatus()-- %02x : Error : Uncorrectable Data\n",\r | |
3254 | ErrorRegister)\r | |
3255 | );\r | |
3256 | }\r | |
3257 | \r | |
3258 | if (ErrorRegister & MC_ERR) {\r | |
3259 | DEBUG (\r | |
3260 | (EFI_D_BLKIO,\r | |
3261 | "AtapiPassThruCheckErrorStatus()-- %02x : Error : Media Change\n",\r | |
3262 | ErrorRegister)\r | |
3263 | );\r | |
3264 | }\r | |
3265 | \r | |
3266 | if (ErrorRegister & ABRT_ERR) {\r | |
3267 | DEBUG (\r | |
3268 | (EFI_D_BLKIO,\r | |
3269 | "AtapiPassThruCheckErrorStatus()-- %02x : Error : Abort\n",\r | |
3270 | ErrorRegister)\r | |
3271 | );\r | |
3272 | }\r | |
3273 | \r | |
3274 | if (ErrorRegister & TK0NF_ERR) {\r | |
3275 | DEBUG (\r | |
3276 | (EFI_D_BLKIO,\r | |
3277 | "AtapiPassThruCheckErrorStatus()-- %02x : Error : Track 0 Not Found\n",\r | |
3278 | ErrorRegister)\r | |
3279 | );\r | |
3280 | }\r | |
3281 | \r | |
3282 | if (ErrorRegister & AMNF_ERR) {\r | |
3283 | DEBUG (\r | |
3284 | (EFI_D_BLKIO,\r | |
3285 | "AtapiPassThruCheckErrorStatus()-- %02x : Error : Address Mark Not Found\n",\r | |
3286 | ErrorRegister)\r | |
3287 | );\r | |
3288 | }\r | |
3289 | }\r | |
3290 | \r | |
3291 | DEBUG_CODE_END ();\r | |
3292 | \r | |
3293 | if ((StatusRegister & (ERR | DWF | CORR)) == 0) {\r | |
3294 | return EFI_SUCCESS;\r | |
3295 | }\r | |
3296 | \r | |
3297 | \r | |
3298 | return EFI_DEVICE_ERROR;\r | |
3299 | }\r | |
3300 | \r | |
3301 | \r | |
3302 | /**\r | |
6a6d955c | 3303 | Installs Scsi Pass Thru and/or Ext Scsi Pass Thru\r |
3304 | protocols based on feature flags.\r | |
823f7d4f | 3305 | \r |
6a6d955c | 3306 | @param Controller The controller handle to\r |
823f7d4f | 3307 | install these protocols on.\r |
3308 | @param AtapiScsiPrivate A pointer to the protocol private\r | |
3309 | data structure.\r | |
3310 | \r | |
6a6d955c | 3311 | @retval EFI_SUCCESS The installation succeeds.\r |
3312 | @retval other The installation fails.\r | |
3313 | \r | |
823f7d4f | 3314 | **/\r |
3315 | EFI_STATUS\r | |
3316 | InstallScsiPassThruProtocols (\r | |
3317 | IN EFI_HANDLE *ControllerHandle,\r | |
3318 | IN ATAPI_SCSI_PASS_THRU_DEV *AtapiScsiPrivate\r | |
3319 | )\r | |
3320 | {\r | |
3321 | EFI_STATUS Status;\r | |
3322 | EFI_SCSI_PASS_THRU_PROTOCOL *ScsiPassThru;\r | |
3323 | EFI_EXT_SCSI_PASS_THRU_PROTOCOL *ExtScsiPassThru;\r | |
3324 | \r | |
3325 | ScsiPassThru = &AtapiScsiPrivate->ScsiPassThru;\r | |
3326 | ExtScsiPassThru = &AtapiScsiPrivate->ExtScsiPassThru;\r | |
3327 | \r | |
3328 | if (FeaturePcdGet (PcdSupportScsiPassThru)) {\r | |
3329 | ScsiPassThru = CopyMem (ScsiPassThru, &gScsiPassThruProtocolTemplate, sizeof (*ScsiPassThru));\r | |
3330 | if (FeaturePcdGet (PcdSupportExtScsiPassThru)) {\r | |
3331 | ExtScsiPassThru = CopyMem (ExtScsiPassThru, &gExtScsiPassThruProtocolTemplate, sizeof (*ExtScsiPassThru));\r | |
3332 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
3333 | ControllerHandle,\r | |
3334 | &gEfiScsiPassThruProtocolGuid,\r | |
3335 | ScsiPassThru,\r | |
3336 | &gEfiExtScsiPassThruProtocolGuid,\r | |
3337 | ExtScsiPassThru,\r | |
3338 | NULL\r | |
3339 | );\r | |
3340 | } else {\r | |
3341 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
3342 | ControllerHandle,\r | |
3343 | &gEfiScsiPassThruProtocolGuid,\r | |
3344 | ScsiPassThru,\r | |
3345 | NULL\r | |
3346 | );\r | |
3347 | }\r | |
3348 | } else {\r | |
3349 | if (FeaturePcdGet (PcdSupportExtScsiPassThru)) {\r | |
3350 | ExtScsiPassThru = CopyMem (ExtScsiPassThru, &gExtScsiPassThruProtocolTemplate, sizeof (*ExtScsiPassThru));\r | |
3351 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
3352 | ControllerHandle,\r | |
3353 | &gEfiExtScsiPassThruProtocolGuid,\r | |
3354 | ExtScsiPassThru,\r | |
3355 | NULL\r | |
3356 | );\r | |
3357 | } else {\r | |
3358 | //\r | |
3359 | // This driver must support either ScsiPassThru or\r | |
3360 | // ExtScsiPassThru protocols\r | |
6a6d955c | 3361 | //\r |
823f7d4f | 3362 | ASSERT (FALSE);\r |
3363 | Status = EFI_UNSUPPORTED;\r | |
3364 | }\r | |
3365 | }\r | |
3366 | \r | |
3367 | return Status;\r | |
3368 | }\r | |
3369 | \r | |
3370 | /**\r | |
3371 | The user Entry Point for module AtapiPassThru. The user code starts with this function.\r | |
3372 | \r | |
3373 | @param[in] ImageHandle The firmware allocated handle for the EFI image.\r | |
3374 | @param[in] SystemTable A pointer to the EFI System Table.\r | |
3375 | \r | |
3376 | @retval EFI_SUCCESS The entry point is executed successfully.\r | |
3377 | @retval other Some error occurs when executing this entry point.\r | |
3378 | \r | |
3379 | **/\r | |
3380 | EFI_STATUS\r | |
3381 | EFIAPI\r | |
3382 | InitializeAtapiPassThru(\r | |
3383 | IN EFI_HANDLE ImageHandle,\r | |
3384 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
3385 | )\r | |
3386 | {\r | |
3387 | EFI_STATUS Status;\r | |
3388 | \r | |
3389 | //\r | |
3390 | // Install driver model protocol(s).\r | |
3391 | //\r | |
3392 | Status = EfiLibInstallDriverBindingComponentName2 (\r | |
3393 | ImageHandle,\r | |
3394 | SystemTable,\r | |
3395 | &gAtapiScsiPassThruDriverBinding,\r | |
3396 | ImageHandle,\r | |
3397 | &gAtapiScsiPassThruComponentName,\r | |
3398 | &gAtapiScsiPassThruComponentName2\r | |
3399 | );\r | |
3400 | ASSERT_EFI_ERROR (Status);\r | |
3401 | \r | |
4cc9af6c | 3402 | //\r |
6a6d955c | 3403 | // Install EFI Driver Supported EFI Version Protocol required for\r |
4cc9af6c | 3404 | // EFI drivers that are on PCI and other plug in cards.\r |
3405 | //\r | |
3406 | gAtapiScsiPassThruDriverSupportedEfiVersion.FirmwareVersion = PcdGet32 (PcdDriverSupportedEfiVersion);\r | |
3407 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
3408 | &ImageHandle,\r | |
3409 | &gEfiDriverSupportedEfiVersionProtocolGuid,\r | |
3410 | &gAtapiScsiPassThruDriverSupportedEfiVersion,\r | |
3411 | NULL\r | |
3412 | );\r | |
3413 | ASSERT_EFI_ERROR (Status);\r | |
3414 | \r | |
823f7d4f | 3415 | return Status;\r |
3416 | }\r |