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24098ac0 | 1 | /** @file |
630d580d | 2 | This file implement UEFI driver for IDE Bus which includes device identification, \r |
3 | Child device(Disk, CDROM, etc) enumeration and child handler installation, and \r | |
24098ac0 | 4 | driver stop. |
630d580d | 5 | \r |
24098ac0 | 6 | Copyright (c) 2006 - 2008, Intel Corporation |
7 | All rights reserved. This program and the accompanying materials | |
8 | are licensed and made available under the terms and conditions of the BSD License | |
9 | which accompanies this distribution. The full text of the license may be found at | |
10 | http://opensource.org/licenses/bsd-license.php | |
11 | ||
12 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, | |
13 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. | |
14 | ||
15 | @par Revision Reference: | |
16 | This module is modified from DXE\IDE module for Ide Contriller Init support | |
17 | ||
18 | **/ | |
19 | ||
20 | #include "IdeBus.h" | |
21 | ||
22 | #define PCI_CLASS_MASS_STORAGE 0x01 | |
23 | #define PCI_SUB_CLASS_IDE 0x01 | |
24 | ||
25 | ||
26 | // | |
27 | // IDE Bus Driver Binding Protocol Instance | |
28 | // | |
29 | EFI_DRIVER_BINDING_PROTOCOL gIDEBusDriverBinding = { | |
30 | IDEBusDriverBindingSupported, | |
31 | IDEBusDriverBindingStart, | |
32 | IDEBusDriverBindingStop, | |
33 | 0xa, | |
34 | NULL, | |
35 | NULL | |
36 | }; | |
37 | /** | |
38 | Deregister an IDE device and free resources | |
39 | ||
40 | @param This Protocol instance pointer. | |
41 | @param Controller Ide device handle | |
42 | @param Handle Handle of device to deregister driver on | |
43 | ||
44 | @retval EFI_SUCCESS Deregiter a specific IDE device successfully | |
45 | ||
46 | ||
47 | **/ | |
48 | EFI_STATUS | |
49 | DeRegisterIdeDevice ( | |
50 | IN EFI_DRIVER_BINDING_PROTOCOL *This, | |
51 | IN EFI_HANDLE Controller, | |
52 | IN EFI_HANDLE Handle | |
53 | ) | |
54 | { | |
55 | EFI_STATUS Status; | |
56 | EFI_BLOCK_IO_PROTOCOL *BlkIo; | |
57 | IDE_BLK_IO_DEV *IdeBlkIoDevice; | |
58 | EFI_PCI_IO_PROTOCOL *PciIo; | |
59 | UINTN Index; | |
60 | ||
61 | Status = gBS->OpenProtocol ( | |
62 | Handle, | |
63 | &gEfiBlockIoProtocolGuid, | |
64 | (VOID **) &BlkIo, | |
65 | This->DriverBindingHandle, | |
66 | Controller, | |
67 | EFI_OPEN_PROTOCOL_GET_PROTOCOL | |
68 | ); | |
69 | if (EFI_ERROR (Status)) { | |
70 | return Status; | |
71 | } | |
72 | ||
73 | IdeBlkIoDevice = IDE_BLOCK_IO_DEV_FROM_THIS (BlkIo); | |
74 | ||
75 | // | |
76 | // Report Status code: Device disabled | |
77 | // | |
78 | REPORT_STATUS_CODE_WITH_DEVICE_PATH ( | |
79 | EFI_PROGRESS_CODE, | |
80 | (EFI_IO_BUS_ATA_ATAPI | EFI_P_PC_DISABLE), | |
81 | IdeBlkIoDevice->DevicePath | |
82 | ); | |
83 | ||
84 | // | |
85 | // Close the child handle | |
86 | // | |
87 | Status = gBS->CloseProtocol ( | |
88 | Controller, | |
89 | &gEfiPciIoProtocolGuid, | |
90 | This->DriverBindingHandle, | |
91 | Handle | |
92 | ); | |
93 | ||
94 | Status = gBS->UninstallMultipleProtocolInterfaces ( | |
95 | Handle, | |
96 | &gEfiDevicePathProtocolGuid, | |
97 | IdeBlkIoDevice->DevicePath, | |
98 | &gEfiBlockIoProtocolGuid, | |
99 | &IdeBlkIoDevice->BlkIo, | |
100 | &gEfiDiskInfoProtocolGuid, | |
101 | &IdeBlkIoDevice->DiskInfo, | |
102 | NULL | |
103 | ); | |
104 | ||
105 | if (EFI_ERROR (Status)) { | |
106 | gBS->OpenProtocol ( | |
107 | Controller, | |
108 | &gEfiPciIoProtocolGuid, | |
109 | (VOID **) &PciIo, | |
110 | This->DriverBindingHandle, | |
111 | Handle, | |
112 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER | |
113 | ); | |
114 | return Status; | |
115 | } | |
116 | ||
117 | // | |
118 | // Release allocated resources | |
119 | // | |
120 | Index = IdeBlkIoDevice->Channel * 2 + IdeBlkIoDevice->Device; | |
121 | if (Index < MAX_IDE_DEVICE) { | |
122 | IdeBlkIoDevice->IdeBusDriverPrivateData->HaveScannedDevice[Index] = FALSE; | |
123 | } | |
124 | ReleaseIdeResources (IdeBlkIoDevice); | |
125 | ||
126 | return EFI_SUCCESS; | |
127 | } | |
128 | /** | |
129 | Supported function of Driver Binding protocol for this driver. | |
130 | ||
131 | @param This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance. | |
132 | @param ControllerHandle The handle of the controller to test. | |
133 | @param RemainingDevicePath A pointer to the remaining portion of a device path. | |
134 | ||
135 | @retval EFI_SUCCESS Driver loaded. | |
136 | @retval other Driver not loaded. | |
137 | ||
138 | **/ | |
139 | EFI_STATUS | |
140 | EFIAPI | |
141 | IDEBusDriverBindingSupported ( | |
142 | IN EFI_DRIVER_BINDING_PROTOCOL *This, | |
143 | IN EFI_HANDLE Controller, | |
144 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath | |
145 | ) | |
146 | { | |
147 | EFI_STATUS Status; | |
148 | EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath; | |
149 | EFI_DEV_PATH *Node; | |
150 | EFI_IDE_CONTROLLER_INIT_PROTOCOL *IdeInit; | |
151 | ||
152 | if (RemainingDevicePath != NULL) { | |
153 | Node = (EFI_DEV_PATH *) RemainingDevicePath; | |
154 | if (Node->DevPath.Type != MESSAGING_DEVICE_PATH || | |
155 | Node->DevPath.SubType != MSG_ATAPI_DP || | |
156 | DevicePathNodeLength(&Node->DevPath) != sizeof(ATAPI_DEVICE_PATH)) { | |
157 | return EFI_UNSUPPORTED; | |
158 | } | |
159 | } | |
160 | ||
161 | // | |
162 | // Open the IO Abstraction(s) needed to perform the supported test | |
163 | // | |
164 | Status = gBS->OpenProtocol ( | |
165 | Controller, | |
166 | &gEfiDevicePathProtocolGuid, | |
167 | (VOID **) &ParentDevicePath, | |
168 | This->DriverBindingHandle, | |
169 | Controller, | |
170 | EFI_OPEN_PROTOCOL_BY_DRIVER | |
171 | ); | |
172 | if (Status == EFI_ALREADY_STARTED) { | |
173 | return EFI_SUCCESS; | |
174 | } | |
175 | ||
176 | if (EFI_ERROR (Status)) { | |
177 | return Status; | |
178 | } | |
179 | ||
180 | // | |
181 | // Close protocol, don't use device path protocol in the .Support() function | |
182 | // | |
183 | gBS->CloseProtocol ( | |
184 | Controller, | |
185 | &gEfiDevicePathProtocolGuid, | |
186 | This->DriverBindingHandle, | |
187 | Controller | |
188 | ); | |
189 | ||
190 | // | |
191 | // Verify the Ide Controller Init Protocol, which installed by the | |
192 | // IdeController module. | |
193 | // Note 1: PciIo protocol has been opened BY_DRIVER by ide_init, so We can't | |
194 | // open BY_DRIVER here) That's why we don't check pciio protocol | |
195 | // Note 2: ide_init driver check ide controller's pci config space, so we dont | |
196 | // check here any more to save code size | |
197 | // | |
198 | Status = gBS->OpenProtocol ( | |
199 | Controller, | |
200 | &gEfiIdeControllerInitProtocolGuid, | |
201 | (VOID **) &IdeInit, | |
202 | This->DriverBindingHandle, | |
203 | Controller, | |
204 | EFI_OPEN_PROTOCOL_BY_DRIVER | |
205 | ); | |
206 | ||
207 | if (Status == EFI_ALREADY_STARTED) { | |
208 | return EFI_SUCCESS; | |
209 | } | |
210 | ||
211 | // | |
212 | // If protocols were opened normally, closed it | |
213 | // | |
214 | gBS->CloseProtocol ( | |
215 | Controller, | |
216 | &gEfiIdeControllerInitProtocolGuid, | |
217 | This->DriverBindingHandle, | |
218 | Controller | |
219 | ); | |
220 | ||
221 | return Status; | |
222 | } | |
223 | ||
224 | ||
225 | /** | |
226 | Start function of Driver binding protocol which start this driver on Controller | |
227 | by detecting all disks and installing BlockIo protocol on them. | |
228 | ||
229 | @param This Protocol instance pointer. | |
230 | @param Controller Handle of device to bind driver to. | |
231 | @param RemainingDevicePath produce all possible children. | |
232 | ||
233 | @retval EFI_SUCCESS This driver is added to ControllerHandle. | |
234 | @retval EFI_ALREADY_STARTED This driver is already running on ControllerHandle. | |
235 | @retval other This driver does not support this device. | |
236 | ||
237 | **/ | |
238 | EFI_STATUS | |
239 | EFIAPI | |
240 | IDEBusDriverBindingStart ( | |
241 | IN EFI_DRIVER_BINDING_PROTOCOL *This, | |
242 | IN EFI_HANDLE Controller, | |
243 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath | |
244 | ) | |
245 | { | |
246 | EFI_STATUS Status; | |
247 | EFI_STATUS SavedStatus; | |
248 | EFI_PCI_IO_PROTOCOL *PciIo; | |
249 | EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath; | |
250 | EFI_DEV_PATH *Node; | |
251 | UINT8 IdeChannel; | |
252 | UINT8 BeginningIdeChannel; | |
253 | UINT8 EndIdeChannel; | |
254 | UINT8 IdeDevice; | |
255 | UINT8 BeginningIdeDevice; | |
256 | UINT8 EndIdeDevice; | |
257 | IDE_BLK_IO_DEV *IdeBlkIoDevice[IdeMaxChannel][IdeMaxDevice]; | |
258 | IDE_BLK_IO_DEV *IdeBlkIoDevicePtr; | |
259 | IDE_REGISTERS_BASE_ADDR IdeRegsBaseAddr[IdeMaxChannel]; | |
260 | ATA_TRANSFER_MODE TransferMode; | |
261 | ATA_DRIVE_PARMS DriveParameters; | |
262 | EFI_DEV_PATH NewNode; | |
263 | UINT8 ConfigurationOptions; | |
264 | UINT16 CommandBlockBaseAddr; | |
265 | UINT16 ControlBlockBaseAddr; | |
266 | UINTN DataSize; | |
267 | IDE_BUS_DRIVER_PRIVATE_DATA *IdeBusDriverPrivateData; | |
268 | UINT64 Supports; | |
269 | ||
270 | // | |
271 | // Local variables declaration for IdeControllerInit support | |
272 | // | |
273 | EFI_IDE_CONTROLLER_INIT_PROTOCOL *IdeInit; | |
274 | BOOLEAN EnumAll; | |
275 | BOOLEAN ChannelEnabled; | |
276 | UINT8 MaxDevices; | |
277 | EFI_IDENTIFY_DATA IdentifyData; | |
278 | EFI_ATA_COLLECTIVE_MODE *SupportedModes; | |
279 | ||
280 | IdeBusDriverPrivateData = NULL; | |
281 | SupportedModes = NULL; | |
282 | ||
283 | // | |
284 | // Perform IdeBus initialization | |
285 | // | |
286 | Status = gBS->OpenProtocol ( | |
287 | Controller, | |
288 | &gEfiDevicePathProtocolGuid, | |
289 | (VOID **) &ParentDevicePath, | |
290 | This->DriverBindingHandle, | |
291 | Controller, | |
292 | EFI_OPEN_PROTOCOL_BY_DRIVER | |
293 | ); | |
294 | if ((EFI_ERROR (Status)) && (Status != EFI_ALREADY_STARTED)) { | |
295 | return Status; | |
296 | } | |
297 | ||
298 | // | |
299 | // Now open the IDE_CONTROLLER_INIT protocol. Step7.1 | |
300 | // | |
301 | Status = gBS->OpenProtocol ( | |
302 | Controller, | |
303 | &gEfiIdeControllerInitProtocolGuid, | |
304 | (VOID **) &IdeInit, | |
305 | This->DriverBindingHandle, | |
306 | Controller, | |
307 | EFI_OPEN_PROTOCOL_BY_DRIVER | |
308 | ); | |
309 | ||
310 | // | |
311 | // The following OpenProtocol function with _GET_PROTOCOL attribute and | |
312 | // will not return EFI_ALREADY_STARTED, so save it for now | |
313 | // | |
314 | SavedStatus = Status; | |
315 | ||
316 | if ((EFI_ERROR (Status)) && (Status != EFI_ALREADY_STARTED)) { | |
317 | DEBUG ((EFI_D_ERROR, "Open Init, Status=%x", Status)); | |
318 | // | |
319 | // open protocol is not SUCCESS or not ALREADY_STARTED, error exit | |
320 | // | |
321 | goto ErrorExit; | |
322 | } | |
323 | ||
324 | // | |
325 | // Save Enumall. Step7.2 | |
326 | // | |
327 | EnumAll = IdeInit->EnumAll; | |
328 | ||
329 | // | |
330 | // Consume PCI I/O protocol. Note that the OpenProtocol with _GET_PROTOCOL | |
331 | // attribute will not return EFI_ALREADY_STARTED | |
332 | // | |
333 | Status = gBS->OpenProtocol ( | |
334 | Controller, | |
335 | &gEfiPciIoProtocolGuid, | |
336 | (VOID **) &PciIo, | |
337 | This->DriverBindingHandle, | |
338 | Controller, | |
339 | EFI_OPEN_PROTOCOL_GET_PROTOCOL | |
340 | ); | |
341 | if (EFI_ERROR (Status)) { | |
342 | DEBUG ((EFI_D_ERROR, "Open PciIo, Status=%x", Status)); | |
343 | goto ErrorExit; | |
344 | } | |
345 | ||
346 | // | |
347 | // We must check EFI_ALREADY_STARTED because many ATAPI devices are removable | |
348 | // | |
349 | if (SavedStatus != EFI_ALREADY_STARTED) { | |
350 | IdeBusDriverPrivateData = AllocatePool (sizeof (IDE_BUS_DRIVER_PRIVATE_DATA)); | |
351 | if (IdeBusDriverPrivateData == NULL) { | |
352 | Status = EFI_OUT_OF_RESOURCES; | |
353 | goto ErrorExit; | |
354 | } | |
355 | ||
356 | ZeroMem (IdeBusDriverPrivateData, sizeof (IDE_BUS_DRIVER_PRIVATE_DATA)); | |
357 | Status = gBS->InstallMultipleProtocolInterfaces ( | |
358 | &Controller, | |
359 | &gEfiCallerIdGuid, | |
360 | IdeBusDriverPrivateData, | |
361 | NULL | |
362 | ); | |
363 | if (EFI_ERROR (Status)) { | |
364 | goto ErrorExit; | |
365 | } | |
366 | ||
367 | } else { | |
368 | Status = gBS->OpenProtocol ( | |
369 | Controller, | |
370 | &gEfiCallerIdGuid, | |
371 | (VOID **) &IdeBusDriverPrivateData, | |
372 | This->DriverBindingHandle, | |
373 | Controller, | |
374 | EFI_OPEN_PROTOCOL_GET_PROTOCOL | |
375 | ); | |
376 | if (EFI_ERROR (Status)) { | |
377 | IdeBusDriverPrivateData = NULL; | |
378 | goto ErrorExit; | |
379 | } | |
380 | } | |
381 | ||
382 | Status = PciIo->Attributes ( | |
383 | PciIo, | |
384 | EfiPciIoAttributeOperationSupported, | |
385 | 0, | |
386 | &Supports | |
387 | ); | |
388 | if (!EFI_ERROR (Status)) { | |
389 | Supports &= EFI_PCI_DEVICE_ENABLE; | |
390 | Status = PciIo->Attributes ( | |
391 | PciIo, | |
392 | EfiPciIoAttributeOperationEnable, | |
393 | Supports, | |
394 | NULL | |
395 | ); | |
396 | } | |
397 | ||
398 | if (EFI_ERROR (Status)) { | |
399 | goto ErrorExit; | |
400 | } | |
401 | ||
402 | // | |
403 | // Read the environment variable that contains the IDEBus Driver's | |
404 | // Config options that were set by the Driver Configuration Protocol | |
405 | // | |
406 | DataSize = sizeof (ConfigurationOptions); | |
407 | Status = gRT->GetVariable ( | |
408 | (CHAR16 *) L"Configuration", | |
409 | &gEfiCallerIdGuid, | |
410 | NULL, | |
411 | &DataSize, | |
412 | &ConfigurationOptions | |
413 | ); | |
414 | if (EFI_ERROR (Status)) { | |
415 | ConfigurationOptions = 0x0f; | |
416 | } | |
417 | ||
418 | if (EnumAll) { | |
419 | // | |
420 | // If IdeInit->EnumAll is TRUE, must enumerate all IDE device anyway | |
421 | // | |
422 | BeginningIdeChannel = IdePrimary; | |
423 | EndIdeChannel = IdeSecondary; | |
424 | BeginningIdeDevice = IdeMaster; | |
425 | EndIdeDevice = IdeSlave; | |
426 | } else if (RemainingDevicePath == NULL) { | |
427 | // | |
428 | // RemainingDevicePath is NULL, scan IDE bus for each device; | |
429 | // | |
430 | BeginningIdeChannel = IdePrimary; | |
431 | EndIdeChannel = IdeSecondary; | |
432 | BeginningIdeDevice = IdeMaster; | |
433 | // | |
434 | // default, may be redefined by IdeInit | |
435 | // | |
436 | EndIdeDevice = IdeSlave; | |
437 | } else { | |
438 | // | |
439 | // RemainingDevicePath is not NULL, only scan the specified device. | |
440 | // | |
441 | Node = (EFI_DEV_PATH *) RemainingDevicePath; | |
442 | BeginningIdeChannel = Node->Atapi.PrimarySecondary; | |
443 | EndIdeChannel = BeginningIdeChannel; | |
444 | BeginningIdeDevice = Node->Atapi.SlaveMaster; | |
445 | EndIdeDevice = BeginningIdeDevice; | |
446 | if (BeginningIdeChannel >= IdeMaxChannel || EndIdeChannel >= IdeMaxChannel) { | |
447 | Status = EFI_INVALID_PARAMETER; | |
448 | goto ErrorExit; | |
449 | } | |
450 | if (BeginningIdeDevice >= IdeMaxDevice|| EndIdeDevice >= IdeMaxDevice) { | |
451 | Status = EFI_INVALID_PARAMETER; | |
452 | goto ErrorExit; | |
453 | } | |
454 | } | |
455 | ||
456 | // | |
457 | // Obtain IDE IO port registers' base addresses | |
458 | // | |
459 | Status = GetIdeRegistersBaseAddr (PciIo, IdeRegsBaseAddr); | |
460 | if (EFI_ERROR (Status)) { | |
461 | goto ErrorExit; | |
462 | } | |
463 | ||
464 | // | |
465 | // Report status code: begin IdeBus initialization | |
466 | // | |
467 | REPORT_STATUS_CODE_WITH_DEVICE_PATH ( | |
468 | EFI_PROGRESS_CODE, | |
469 | (EFI_IO_BUS_ATA_ATAPI | EFI_IOB_PC_RESET), | |
470 | ParentDevicePath | |
471 | ); | |
472 | ||
473 | // | |
474 | // Strictly follow the enumeration based on IDE_CONTROLLER_INIT protocol | |
475 | // | |
476 | for (IdeChannel = BeginningIdeChannel; IdeChannel <= EndIdeChannel; IdeChannel++) { | |
477 | ||
478 | IdeInit->NotifyPhase (IdeInit, EfiIdeBeforeChannelEnumeration, IdeChannel); | |
479 | ||
480 | // | |
481 | // now obtain channel information fron IdeControllerInit protocol. Step9 | |
482 | // | |
483 | Status = IdeInit->GetChannelInfo ( | |
484 | IdeInit, | |
485 | IdeChannel, | |
486 | &ChannelEnabled, | |
487 | &MaxDevices | |
488 | ); | |
489 | if (EFI_ERROR (Status)) { | |
490 | DEBUG ((EFI_D_ERROR, "[GetChannel, Status=%x]", Status)); | |
491 | continue; | |
492 | } | |
493 | ||
494 | if (!ChannelEnabled) { | |
495 | continue; | |
496 | } | |
497 | ||
498 | EndIdeDevice = (UINT8) MIN ((MaxDevices - 1), EndIdeDevice); | |
499 | ASSERT (EndIdeDevice < IdeMaxDevice); | |
500 | // | |
501 | // Now inform the IDE Controller Init Module. Sept10 | |
502 | // | |
503 | IdeInit->NotifyPhase (IdeInit, EfiIdeBeforeChannelReset, IdeChannel); | |
504 | ||
505 | // | |
506 | // No reset channel function implemented. Sept11 | |
507 | // | |
508 | IdeInit->NotifyPhase (IdeInit, EfiIdeAfterChannelReset, IdeChannel); | |
509 | ||
510 | // | |
511 | // Step13 | |
512 | // | |
513 | IdeInit->NotifyPhase ( | |
514 | IdeInit, | |
515 | EfiIdeBusBeforeDevicePresenceDetection, | |
516 | IdeChannel | |
517 | ); | |
518 | ||
519 | // | |
520 | // Prepare to detect IDE device of this channel | |
521 | // | |
522 | InitializeIDEChannelData (); | |
523 | ||
524 | // | |
525 | // -- 1st inner loop --- Master/Slave ------------ Step14 | |
526 | // | |
527 | for (IdeDevice = BeginningIdeDevice; IdeDevice <= EndIdeDevice; IdeDevice++) { | |
528 | // | |
529 | // Check whether the configuration options allow this device | |
530 | // | |
531 | if ((ConfigurationOptions & (1 << (IdeChannel * 2 + IdeDevice))) == 0) { | |
532 | continue; | |
533 | } | |
534 | ||
535 | // | |
536 | // The device has been scanned in another Start(), No need to scan it again | |
537 | // for perf optimization. | |
538 | // | |
539 | if (IdeBusDriverPrivateData->HaveScannedDevice[IdeChannel * 2 + IdeDevice]) { | |
540 | continue; | |
541 | } | |
542 | ||
543 | // | |
544 | // create child handle for the detected device. | |
545 | // | |
546 | IdeBlkIoDevice[IdeChannel][IdeDevice] = AllocatePool (sizeof (IDE_BLK_IO_DEV)); | |
547 | if (IdeBlkIoDevice[IdeChannel][IdeDevice] == NULL) { | |
548 | continue; | |
549 | } | |
550 | ||
551 | IdeBlkIoDevicePtr = IdeBlkIoDevice[IdeChannel][IdeDevice]; | |
552 | ||
553 | ZeroMem (IdeBlkIoDevicePtr, sizeof (IDE_BLK_IO_DEV)); | |
554 | ||
555 | IdeBlkIoDevicePtr->Signature = IDE_BLK_IO_DEV_SIGNATURE; | |
556 | IdeBlkIoDevicePtr->Channel = (EFI_IDE_CHANNEL) IdeChannel; | |
557 | IdeBlkIoDevicePtr->Device = (EFI_IDE_DEVICE) IdeDevice; | |
558 | ||
559 | // | |
560 | // initialize Block IO interface's Media pointer | |
561 | // | |
562 | IdeBlkIoDevicePtr->BlkIo.Media = &IdeBlkIoDevicePtr->BlkMedia; | |
563 | ||
564 | // | |
565 | // Initialize IDE IO port addresses, including Command Block registers | |
566 | // and Control Block registers | |
567 | // | |
568 | IdeBlkIoDevicePtr->IoPort = AllocatePool (sizeof (IDE_BASE_REGISTERS)); | |
569 | if (IdeBlkIoDevicePtr->IoPort == NULL) { | |
570 | continue; | |
571 | } | |
572 | ||
573 | ZeroMem (IdeBlkIoDevicePtr->IoPort, sizeof (IDE_BASE_REGISTERS)); | |
574 | CommandBlockBaseAddr = IdeRegsBaseAddr[IdeChannel].CommandBlockBaseAddr; | |
575 | ControlBlockBaseAddr = IdeRegsBaseAddr[IdeChannel].ControlBlockBaseAddr; | |
576 | ||
577 | IdeBlkIoDevicePtr->IoPort->Data = CommandBlockBaseAddr; | |
578 | (*(UINT16 *) &IdeBlkIoDevicePtr->IoPort->Reg1) = (UINT16) (CommandBlockBaseAddr + 0x01); | |
579 | IdeBlkIoDevicePtr->IoPort->SectorCount = (UINT16) (CommandBlockBaseAddr + 0x02); | |
580 | IdeBlkIoDevicePtr->IoPort->SectorNumber = (UINT16) (CommandBlockBaseAddr + 0x03); | |
581 | IdeBlkIoDevicePtr->IoPort->CylinderLsb = (UINT16) (CommandBlockBaseAddr + 0x04); | |
582 | IdeBlkIoDevicePtr->IoPort->CylinderMsb = (UINT16) (CommandBlockBaseAddr + 0x05); | |
583 | IdeBlkIoDevicePtr->IoPort->Head = (UINT16) (CommandBlockBaseAddr + 0x06); | |
584 | (*(UINT16 *) &IdeBlkIoDevicePtr->IoPort->Reg) = (UINT16) (CommandBlockBaseAddr + 0x07); | |
585 | ||
586 | (*(UINT16 *) &IdeBlkIoDevicePtr->IoPort->Alt) = ControlBlockBaseAddr; | |
587 | IdeBlkIoDevicePtr->IoPort->DriveAddress = (UINT16) (ControlBlockBaseAddr + 0x01); | |
588 | ||
589 | IdeBlkIoDevicePtr->IoPort->MasterSlave = (UINT16) ((IdeDevice == IdeMaster) ? 1 : 0); | |
590 | ||
591 | IdeBlkIoDevicePtr->PciIo = PciIo; | |
592 | IdeBlkIoDevicePtr->IdeBusDriverPrivateData = IdeBusDriverPrivateData; | |
593 | IdeBlkIoDevicePtr->IoPort->BusMasterBaseAddr = IdeRegsBaseAddr[IdeChannel].BusMasterBaseAddr; | |
594 | ||
595 | // | |
596 | // Report Status code: is about to detect IDE drive | |
597 | // | |
598 | REPORT_STATUS_CODE_EX ( | |
599 | EFI_PROGRESS_CODE, | |
600 | (EFI_IO_BUS_ATA_ATAPI | EFI_P_PC_PRESENCE_DETECT), | |
601 | 0, | |
602 | &gEfiCallerIdGuid, | |
603 | NULL, | |
604 | NULL, | |
605 | 0 | |
606 | ); | |
607 | ||
608 | // | |
609 | // Discover device, now! | |
610 | // | |
611 | PERF_START (NULL, "DiscoverIdeDevice", "IDE", 0); | |
612 | Status = DiscoverIdeDevice (IdeBlkIoDevicePtr); | |
613 | PERF_END (NULL, "DiscoverIdeDevice", "IDE", 0); | |
614 | ||
615 | IdeBusDriverPrivateData->HaveScannedDevice[IdeChannel * 2 + IdeDevice] = TRUE; | |
616 | IdeBusDriverPrivateData->DeviceProcessed[IdeChannel * 2 + IdeDevice] = FALSE; | |
617 | ||
618 | if (!EFI_ERROR (Status)) { | |
619 | // | |
620 | // Set Device Path | |
621 | // | |
622 | ZeroMem (&NewNode, sizeof (NewNode)); | |
623 | NewNode.DevPath.Type = MESSAGING_DEVICE_PATH; | |
624 | NewNode.DevPath.SubType = MSG_ATAPI_DP; | |
625 | SetDevicePathNodeLength (&NewNode.DevPath, sizeof (ATAPI_DEVICE_PATH)); | |
626 | ||
627 | NewNode.Atapi.PrimarySecondary = (UINT8) IdeBlkIoDevicePtr->Channel; | |
628 | NewNode.Atapi.SlaveMaster = (UINT8) IdeBlkIoDevicePtr->Device; | |
629 | NewNode.Atapi.Lun = IdeBlkIoDevicePtr->Lun; | |
630 | IdeBlkIoDevicePtr->DevicePath = AppendDevicePathNode ( | |
631 | ParentDevicePath, | |
632 | &NewNode.DevPath | |
633 | ); | |
634 | if (IdeBlkIoDevicePtr->DevicePath == NULL) { | |
635 | ReleaseIdeResources (IdeBlkIoDevicePtr); | |
636 | continue; | |
637 | } | |
638 | ||
639 | // | |
640 | // Submit identify data to IDE controller init driver | |
641 | // | |
642 | CopyMem (&IdentifyData, IdeBlkIoDevicePtr->IdData, sizeof (IdentifyData)); | |
643 | IdeBusDriverPrivateData->DeviceFound[IdeChannel * 2 + IdeDevice] = TRUE; | |
644 | IdeInit->SubmitData (IdeInit, IdeChannel, IdeDevice, &IdentifyData); | |
645 | } else { | |
646 | // | |
647 | // Device detection failed | |
648 | // | |
649 | IdeBusDriverPrivateData->DeviceFound[IdeChannel * 2 + IdeDevice] = FALSE; | |
650 | IdeInit->SubmitData (IdeInit, IdeChannel, IdeDevice, NULL); | |
651 | ReleaseIdeResources (IdeBlkIoDevicePtr); | |
652 | IdeBlkIoDevicePtr = NULL; | |
653 | } | |
654 | // | |
655 | // end of 1st inner loop --- | |
656 | // | |
657 | } | |
658 | // | |
659 | // end of 1st outer loop ========= | |
660 | // | |
661 | } | |
662 | ||
663 | // | |
664 | // = 2nd outer loop == Primary/Secondary ================= | |
665 | // | |
666 | for (IdeChannel = BeginningIdeChannel; IdeChannel <= EndIdeChannel; IdeChannel++) { | |
667 | ||
668 | // | |
669 | // -- 2nd inner loop --- Master/Slave -------- | |
670 | // | |
671 | for (IdeDevice = BeginningIdeDevice; IdeDevice <= EndIdeDevice; IdeDevice++) { | |
672 | ||
673 | if (IdeBusDriverPrivateData->DeviceProcessed[IdeChannel * 2 + IdeDevice]) { | |
674 | continue; | |
675 | } | |
676 | ||
677 | if (!IdeBusDriverPrivateData->DeviceFound[IdeChannel * 2 + IdeDevice]) { | |
678 | continue; | |
679 | } | |
680 | ||
681 | Status = IdeInit->CalculateMode ( | |
682 | IdeInit, | |
683 | IdeChannel, | |
684 | IdeDevice, | |
685 | &SupportedModes | |
686 | ); | |
687 | if (EFI_ERROR (Status)) { | |
688 | DEBUG ((EFI_D_ERROR, "[bStStp20S=%x]", Status)); | |
689 | continue; | |
690 | } | |
691 | ||
692 | IdeBlkIoDevicePtr = IdeBlkIoDevice[IdeChannel][IdeDevice]; | |
693 | ||
694 | // | |
695 | // Set best supported PIO mode on this IDE device | |
696 | // | |
697 | if (SupportedModes->PioMode.Mode <= AtaPioMode2) { | |
698 | TransferMode.ModeCategory = ATA_MODE_CATEGORY_DEFAULT_PIO; | |
699 | } else { | |
700 | TransferMode.ModeCategory = ATA_MODE_CATEGORY_FLOW_PIO; | |
701 | } | |
702 | ||
703 | TransferMode.ModeNumber = (UINT8) (SupportedModes->PioMode.Mode); | |
704 | ||
705 | if (SupportedModes->ExtModeCount == 0){ | |
706 | Status = SetDeviceTransferMode (IdeBlkIoDevicePtr, &TransferMode); | |
707 | ||
708 | if (EFI_ERROR (Status)) { | |
709 | IdeBusDriverPrivateData->DeviceFound[IdeChannel * 2 + IdeDevice] = FALSE; | |
710 | ReleaseIdeResources (IdeBlkIoDevicePtr); | |
711 | IdeBlkIoDevicePtr = NULL; | |
712 | continue; | |
713 | } | |
714 | } | |
715 | ||
716 | // | |
717 | // Set supported DMA mode on this IDE device. Note that UDMA & MDMA cann't | |
718 | // be set together. Only one DMA mode can be set to a device. If setting | |
719 | // DMA mode operation fails, we can continue moving on because we only use | |
720 | // PIO mode at boot time. DMA modes are used by certain kind of OS booting | |
721 | // | |
722 | if (SupportedModes->UdmaMode.Valid) { | |
723 | ||
724 | TransferMode.ModeCategory = ATA_MODE_CATEGORY_UDMA; | |
725 | TransferMode.ModeNumber = (UINT8) (SupportedModes->UdmaMode.Mode); | |
726 | Status = SetDeviceTransferMode (IdeBlkIoDevicePtr, &TransferMode); | |
727 | ||
728 | if (EFI_ERROR (Status)) { | |
729 | IdeBusDriverPrivateData->DeviceFound[IdeChannel * 2 + IdeDevice] = FALSE; | |
730 | ReleaseIdeResources (IdeBlkIoDevicePtr); | |
731 | IdeBlkIoDevicePtr = NULL; | |
732 | continue; | |
733 | } | |
734 | // | |
735 | // Record Udma Mode | |
736 | // | |
737 | IdeBlkIoDevicePtr->UdmaMode.Valid = TRUE; | |
738 | IdeBlkIoDevicePtr->UdmaMode.Mode = SupportedModes->UdmaMode.Mode; | |
739 | EnableInterrupt (IdeBlkIoDevicePtr); | |
740 | } else if (SupportedModes->MultiWordDmaMode.Valid) { | |
741 | ||
742 | TransferMode.ModeCategory = ATA_MODE_CATEGORY_MDMA; | |
743 | TransferMode.ModeNumber = (UINT8) SupportedModes->MultiWordDmaMode.Mode; | |
744 | Status = SetDeviceTransferMode (IdeBlkIoDevicePtr, &TransferMode); | |
745 | ||
746 | if (EFI_ERROR (Status)) { | |
747 | IdeBusDriverPrivateData->DeviceFound[IdeChannel * 2 + IdeDevice] = FALSE; | |
748 | ReleaseIdeResources (IdeBlkIoDevicePtr); | |
749 | IdeBlkIoDevicePtr = NULL; | |
750 | continue; | |
751 | } | |
752 | ||
753 | EnableInterrupt (IdeBlkIoDevicePtr); | |
754 | } | |
755 | // | |
756 | // Init driver parameters | |
757 | // | |
758 | DriveParameters.Sector = (UINT8) IdeBlkIoDevicePtr->IdData->AtaData.sectors_per_track; | |
759 | DriveParameters.Heads = (UINT8) (IdeBlkIoDevicePtr->IdData->AtaData.heads - 1); | |
760 | DriveParameters.MultipleSector = (UINT8) IdeBlkIoDevicePtr->IdData->AtaData.multi_sector_cmd_max_sct_cnt; | |
761 | // | |
762 | // Set Parameters for the device: | |
763 | // 1) Init | |
764 | // 2) Establish the block count for READ/WRITE MULTIPLE (EXT) command | |
765 | // | |
766 | if ((IdeBlkIoDevicePtr->Type == IdeHardDisk) || (IdeBlkIoDevicePtr->Type == Ide48bitAddressingHardDisk)) { | |
767 | Status = SetDriveParameters (IdeBlkIoDevicePtr, &DriveParameters); | |
768 | } | |
769 | ||
770 | // | |
771 | // Record PIO mode used in private data | |
772 | // | |
773 | IdeBlkIoDevicePtr->PioMode = (ATA_PIO_MODE) SupportedModes->PioMode.Mode; | |
774 | ||
775 | // | |
776 | // Set IDE controller Timing Blocks in the PCI Configuration Space | |
777 | // | |
778 | IdeInit->SetTiming (IdeInit, IdeChannel, IdeDevice, SupportedModes); | |
779 | ||
780 | // | |
781 | // Add Component Name for the IDE/ATAPI device that was discovered. | |
782 | // | |
783 | IdeBlkIoDevicePtr->ControllerNameTable = NULL; | |
784 | ADD_IDE_ATAPI_NAME (IdeBlkIoDevicePtr); | |
785 | ||
786 | Status = gBS->InstallMultipleProtocolInterfaces ( | |
787 | &IdeBlkIoDevicePtr->Handle, | |
788 | &gEfiDevicePathProtocolGuid, | |
789 | IdeBlkIoDevicePtr->DevicePath, | |
790 | &gEfiBlockIoProtocolGuid, | |
791 | &IdeBlkIoDevicePtr->BlkIo, | |
792 | &gEfiDiskInfoProtocolGuid, | |
793 | &IdeBlkIoDevicePtr->DiskInfo, | |
794 | NULL | |
795 | ); | |
796 | ||
797 | if (EFI_ERROR (Status)) { | |
798 | ReleaseIdeResources (IdeBlkIoDevicePtr); | |
799 | } | |
800 | ||
801 | gBS->OpenProtocol ( | |
802 | Controller, | |
803 | &gEfiPciIoProtocolGuid, | |
804 | (VOID **) &PciIo, | |
805 | This->DriverBindingHandle, | |
806 | IdeBlkIoDevicePtr->Handle, | |
807 | EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER | |
808 | ); | |
809 | ||
810 | IdeBusDriverPrivateData->DeviceProcessed[IdeChannel * 2 + IdeDevice] = TRUE; | |
811 | ||
812 | // | |
813 | // Report status code: device eanbled! | |
814 | // | |
815 | REPORT_STATUS_CODE_WITH_DEVICE_PATH ( | |
816 | EFI_PROGRESS_CODE, | |
817 | (EFI_IO_BUS_ATA_ATAPI | EFI_P_PC_ENABLE), | |
818 | IdeBlkIoDevicePtr->DevicePath | |
819 | ); | |
820 | ||
821 | // | |
822 | // Create event to clear pending IDE interrupt | |
823 | // | |
824 | Status = gBS->CreateEventEx ( | |
825 | EVT_NOTIFY_SIGNAL, | |
826 | TPL_NOTIFY, | |
827 | ClearInterrupt, | |
828 | IdeBlkIoDevicePtr, | |
829 | &gEfiEventExitBootServicesGuid, | |
830 | &IdeBlkIoDevicePtr->ExitBootServiceEvent | |
831 | ); | |
832 | ||
833 | // | |
834 | // end of 2nd inner loop ---- | |
835 | // | |
836 | } | |
837 | // | |
838 | // end of 2nd outer loop ========== | |
839 | // | |
840 | } | |
841 | ||
842 | // | |
843 | // All configurations done! Notify IdeController to do post initialization | |
844 | // work such as saving IDE controller PCI settings for S3 resume | |
845 | // | |
846 | IdeInit->NotifyPhase (IdeInit, EfiIdeBusPhaseMaximum, 0); | |
847 | ||
848 | if (SupportedModes != NULL) { | |
849 | gBS->FreePool (SupportedModes); | |
850 | } | |
851 | ||
852 | PERF_START (NULL, "Finish IDE detection", "IDE", 1); | |
853 | PERF_END (NULL, "Finish IDE detection", "IDE", 0); | |
854 | ||
855 | return EFI_SUCCESS; | |
856 | ||
857 | ErrorExit: | |
858 | ||
859 | // | |
860 | // Report error code: controller error | |
861 | // | |
862 | REPORT_STATUS_CODE_WITH_DEVICE_PATH ( | |
863 | EFI_ERROR_CODE | EFI_ERROR_MINOR, | |
864 | (EFI_IO_BUS_ATA_ATAPI | EFI_IOB_EC_CONTROLLER_ERROR), | |
865 | ParentDevicePath | |
866 | ); | |
867 | ||
868 | gBS->CloseProtocol ( | |
869 | Controller, | |
870 | &gEfiIdeControllerInitProtocolGuid, | |
871 | This->DriverBindingHandle, | |
872 | Controller | |
873 | ); | |
874 | ||
875 | gBS->UninstallMultipleProtocolInterfaces ( | |
876 | Controller, | |
877 | &gEfiCallerIdGuid, | |
878 | IdeBusDriverPrivateData, | |
879 | NULL | |
880 | ); | |
881 | ||
882 | if (IdeBusDriverPrivateData != NULL) { | |
883 | gBS->FreePool (IdeBusDriverPrivateData); | |
884 | } | |
885 | ||
886 | if (SupportedModes != NULL) { | |
887 | gBS->FreePool (SupportedModes); | |
888 | } | |
889 | ||
890 | gBS->CloseProtocol ( | |
891 | Controller, | |
892 | &gEfiPciIoProtocolGuid, | |
893 | This->DriverBindingHandle, | |
894 | Controller | |
895 | ); | |
896 | ||
897 | gBS->CloseProtocol ( | |
898 | Controller, | |
899 | &gEfiDevicePathProtocolGuid, | |
900 | This->DriverBindingHandle, | |
901 | Controller | |
902 | ); | |
903 | ||
904 | return Status; | |
905 | ||
906 | } | |
907 | /** | |
908 | Stop function of Driver Binding Protocol which is to stop the driver on Controller Handle and all | |
909 | child handle attached to the controller handle if there are. | |
910 | ||
911 | @param This Protocol instance pointer. | |
912 | @param Controller Handle of device to stop driver on | |
913 | @param NumberOfChildren Not used | |
914 | @param ChildHandleBuffer Not used | |
915 | ||
916 | @retval EFI_SUCCESS This driver is removed DeviceHandle | |
917 | @retval other This driver was not removed from this device | |
918 | ||
919 | **/ | |
920 | EFI_STATUS | |
921 | EFIAPI | |
922 | IDEBusDriverBindingStop ( | |
923 | IN EFI_DRIVER_BINDING_PROTOCOL *This, | |
924 | IN EFI_HANDLE Controller, | |
925 | IN UINTN NumberOfChildren, | |
926 | IN EFI_HANDLE *ChildHandleBuffer | |
927 | ) | |
928 | { | |
929 | EFI_STATUS Status; | |
930 | EFI_PCI_IO_PROTOCOL *PciIo; | |
931 | BOOLEAN AllChildrenStopped; | |
932 | UINTN Index; | |
933 | IDE_BUS_DRIVER_PRIVATE_DATA *IdeBusDriverPrivateData; | |
934 | UINT64 Supports; | |
935 | ||
936 | IdeBusDriverPrivateData = NULL; | |
937 | ||
938 | if (NumberOfChildren == 0) { | |
939 | ||
940 | Status = gBS->OpenProtocol ( | |
941 | Controller, | |
942 | &gEfiPciIoProtocolGuid, | |
943 | (VOID **) &PciIo, | |
944 | This->DriverBindingHandle, | |
945 | Controller, | |
946 | EFI_OPEN_PROTOCOL_GET_PROTOCOL | |
947 | ); | |
948 | if (!EFI_ERROR (Status)) { | |
949 | Status = PciIo->Attributes ( | |
950 | PciIo, | |
951 | EfiPciIoAttributeOperationSupported, | |
952 | 0, | |
953 | &Supports | |
954 | ); | |
955 | if (!EFI_ERROR (Status)) { | |
956 | Supports &= EFI_PCI_IO_ATTRIBUTE_IDE_PRIMARY_IO | EFI_PCI_IO_ATTRIBUTE_IDE_SECONDARY_IO | EFI_PCI_DEVICE_ENABLE; | |
957 | PciIo->Attributes ( | |
958 | PciIo, | |
959 | EfiPciIoAttributeOperationDisable, | |
960 | Supports, | |
961 | NULL | |
962 | ); | |
963 | } | |
964 | } | |
965 | ||
966 | gBS->OpenProtocol ( | |
967 | Controller, | |
968 | &gEfiCallerIdGuid, | |
969 | (VOID **) &IdeBusDriverPrivateData, | |
970 | This->DriverBindingHandle, | |
971 | Controller, | |
972 | EFI_OPEN_PROTOCOL_GET_PROTOCOL | |
973 | ); | |
974 | ||
975 | gBS->UninstallMultipleProtocolInterfaces ( | |
976 | Controller, | |
977 | &gEfiCallerIdGuid, | |
978 | IdeBusDriverPrivateData, | |
979 | NULL | |
980 | ); | |
981 | ||
982 | if (IdeBusDriverPrivateData != NULL) { | |
983 | gBS->FreePool (IdeBusDriverPrivateData); | |
984 | } | |
985 | // | |
986 | // Close the bus driver | |
987 | // | |
988 | gBS->CloseProtocol ( | |
989 | Controller, | |
990 | &gEfiIdeControllerInitProtocolGuid, | |
991 | This->DriverBindingHandle, | |
992 | Controller | |
993 | ); | |
994 | gBS->CloseProtocol ( | |
995 | Controller, | |
996 | &gEfiPciIoProtocolGuid, | |
997 | This->DriverBindingHandle, | |
998 | Controller | |
999 | ); | |
1000 | gBS->CloseProtocol ( | |
1001 | Controller, | |
1002 | &gEfiDevicePathProtocolGuid, | |
1003 | This->DriverBindingHandle, | |
1004 | Controller | |
1005 | ); | |
1006 | ||
1007 | return EFI_SUCCESS; | |
1008 | } | |
1009 | ||
1010 | AllChildrenStopped = TRUE; | |
1011 | ||
1012 | for (Index = 0; Index < NumberOfChildren; Index++) { | |
1013 | ||
1014 | Status = DeRegisterIdeDevice (This, Controller, ChildHandleBuffer[Index]); | |
1015 | ||
1016 | if (EFI_ERROR (Status)) { | |
1017 | AllChildrenStopped = FALSE; | |
1018 | } | |
1019 | } | |
1020 | ||
1021 | if (!AllChildrenStopped) { | |
1022 | return EFI_DEVICE_ERROR; | |
1023 | } | |
1024 | ||
1025 | return EFI_SUCCESS; | |
1026 | } | |
1027 | ||
1028 | /** | |
1029 | issue ATA or ATAPI command to reset a block IO device. | |
1030 | @param This Block IO protocol instance pointer. | |
1031 | @param ExtendedVerification If FALSE,for ATAPI device, driver will only invoke ATAPI reset method | |
1032 | If TRUE, for ATAPI device, driver need invoke ATA reset method after | |
1033 | invoke ATAPI reset method | |
1034 | ||
1035 | @retval EFI_DEVICE_ERROR When the device is neighther ATA device or ATAPI device. | |
1036 | @retval EFI_SUCCESS The device reset successfully | |
1037 | ||
1038 | **/ | |
1039 | EFI_STATUS | |
1040 | EFIAPI | |
1041 | IDEBlkIoReset ( | |
1042 | IN EFI_BLOCK_IO_PROTOCOL *This, | |
1043 | IN BOOLEAN ExtendedVerification | |
1044 | ) | |
1045 | { | |
1046 | IDE_BLK_IO_DEV *IdeBlkIoDevice; | |
1047 | EFI_STATUS Status; | |
1048 | EFI_TPL OldTpl; | |
1049 | ||
1050 | OldTpl = gBS->RaiseTPL (TPL_CALLBACK); | |
1051 | ||
1052 | IdeBlkIoDevice = IDE_BLOCK_IO_DEV_FROM_THIS (This); | |
1053 | // | |
1054 | // Requery IDE IO resources in case of the switch of native and legacy modes | |
1055 | // | |
1056 | ReassignIdeResources (IdeBlkIoDevice); | |
1057 | ||
1058 | // | |
1059 | // for ATA device, using ATA reset method | |
1060 | // | |
1061 | if (IdeBlkIoDevice->Type == IdeHardDisk || | |
1062 | IdeBlkIoDevice->Type == Ide48bitAddressingHardDisk) { | |
1063 | Status = AtaSoftReset (IdeBlkIoDevice); | |
1064 | goto Done; | |
1065 | } | |
1066 | ||
1067 | if (IdeBlkIoDevice->Type == IdeUnknown) { | |
1068 | Status = EFI_DEVICE_ERROR; | |
1069 | goto Done; | |
1070 | } | |
1071 | ||
1072 | // | |
1073 | // for ATAPI device, using ATAPI reset method | |
1074 | // | |
1075 | Status = AtapiSoftReset (IdeBlkIoDevice); | |
1076 | if (ExtendedVerification) { | |
1077 | Status = AtaSoftReset (IdeBlkIoDevice); | |
1078 | } | |
1079 | ||
1080 | Done: | |
1081 | gBS->RestoreTPL (OldTpl); | |
1082 | return Status; | |
1083 | } | |
1084 | ||
1085 | /** | |
1086 | Read data from a block IO device | |
1087 | ||
1088 | @param This Block IO protocol instance pointer. | |
1089 | @param MediaId The media ID of the device | |
cd57e888 | 1090 | @param Lba Starting LBA address to read data\r |
24098ac0 | 1091 | @param BufferSize The size of data to be read |
1092 | @param Buffer Caller supplied buffer to save data | |
1093 | ||
1094 | @retval EFI_DEVICE_ERROR unknown device type | |
1095 | @retval other read data status. | |
1096 | ||
1097 | **/ | |
1098 | EFI_STATUS | |
1099 | EFIAPI | |
1100 | IDEBlkIoReadBlocks ( | |
1101 | IN EFI_BLOCK_IO_PROTOCOL *This, | |
1102 | IN UINT32 MediaId, | |
cd57e888 | 1103 | IN EFI_LBA Lba,\r |
24098ac0 | 1104 | IN UINTN BufferSize, |
1105 | OUT VOID *Buffer | |
1106 | ) | |
1107 | { | |
1108 | IDE_BLK_IO_DEV *IdeBlkIoDevice; | |
1109 | EFI_STATUS Status; | |
1110 | EFI_TPL OldTpl; | |
1111 | ||
1112 | OldTpl = gBS->RaiseTPL (TPL_CALLBACK); | |
1113 | ||
1114 | IdeBlkIoDevice = IDE_BLOCK_IO_DEV_FROM_THIS (This); | |
1115 | ||
1116 | // | |
1117 | // Requery IDE IO resources in case of the switch of native and legacy modes | |
1118 | // | |
1119 | ReassignIdeResources (IdeBlkIoDevice); | |
1120 | ||
1121 | // | |
1122 | // For ATA compatible device, use ATA read block's mechanism | |
1123 | // | |
1124 | if (IdeBlkIoDevice->Type == IdeHardDisk || | |
1125 | IdeBlkIoDevice->Type == Ide48bitAddressingHardDisk) { | |
1126 | Status = AtaBlkIoReadBlocks ( | |
1127 | IdeBlkIoDevice, | |
1128 | MediaId, | |
cd57e888 | 1129 | Lba,\r |
24098ac0 | 1130 | BufferSize, |
1131 | Buffer | |
1132 | ); | |
1133 | goto Done; | |
1134 | } | |
1135 | ||
1136 | if (IdeBlkIoDevice->Type == IdeUnknown) { | |
1137 | Status = EFI_DEVICE_ERROR; | |
1138 | goto Done; | |
1139 | } | |
1140 | ||
1141 | // | |
1142 | // for ATAPI device, using ATAPI read block's mechanism | |
1143 | // | |
1144 | Status = AtapiBlkIoReadBlocks ( | |
1145 | IdeBlkIoDevice, | |
1146 | MediaId, | |
cd57e888 | 1147 | Lba,\r |
24098ac0 | 1148 | BufferSize, |
1149 | Buffer | |
1150 | ); | |
1151 | ||
1152 | Done: | |
1153 | gBS->RestoreTPL (OldTpl); | |
1154 | ||
1155 | return Status; | |
1156 | } | |
1157 | ||
1158 | /** | |
cd57e888 | 1159 | Write data to block io device.\r |
24098ac0 | 1160 | |
1161 | @param This Protocol instance pointer. | |
1162 | @param MediaId The media ID of the device | |
cd57e888 | 1163 | @param Lba Starting LBA address to write data\r |
24098ac0 | 1164 | @param BufferSize The size of data to be written |
1165 | @param Buffer Caller supplied buffer to save data | |
1166 | ||
1167 | @retval EFI_DEVICE_ERROR unknown device type | |
1168 | @retval other write data status | |
1169 | ||
1170 | **/ | |
1171 | EFI_STATUS | |
1172 | EFIAPI | |
1173 | IDEBlkIoWriteBlocks ( | |
1174 | IN EFI_BLOCK_IO_PROTOCOL *This, | |
1175 | IN UINT32 MediaId, | |
cd57e888 | 1176 | IN EFI_LBA Lba,\r |
24098ac0 | 1177 | IN UINTN BufferSize, |
1178 | IN VOID *Buffer | |
1179 | ) | |
1180 | { | |
1181 | IDE_BLK_IO_DEV *IdeBlkIoDevice; | |
1182 | EFI_STATUS Status; | |
1183 | EFI_TPL OldTpl; | |
1184 | ||
1185 | OldTpl = gBS->RaiseTPL (TPL_CALLBACK); | |
1186 | ||
1187 | IdeBlkIoDevice = IDE_BLOCK_IO_DEV_FROM_THIS (This); | |
1188 | // | |
1189 | // Requery IDE IO resources in case of the switch of native and legacy modes | |
1190 | // | |
1191 | ReassignIdeResources (IdeBlkIoDevice); | |
1192 | ||
1193 | // | |
1194 | // for ATA device, using ATA write block's mechanism | |
1195 | // | |
1196 | if (IdeBlkIoDevice->Type == IdeHardDisk || | |
1197 | IdeBlkIoDevice->Type == Ide48bitAddressingHardDisk) { | |
1198 | ||
1199 | Status = AtaBlkIoWriteBlocks ( | |
1200 | IdeBlkIoDevice, | |
1201 | MediaId, | |
cd57e888 | 1202 | Lba,\r |
24098ac0 | 1203 | BufferSize, |
1204 | Buffer | |
1205 | ); | |
1206 | goto Done; | |
1207 | } | |
1208 | ||
1209 | if (IdeBlkIoDevice->Type == IdeUnknown) { | |
1210 | Status = EFI_DEVICE_ERROR; | |
1211 | goto Done; | |
1212 | } | |
1213 | ||
1214 | // | |
1215 | // for ATAPI device, using ATAPI write block's mechanism | |
1216 | // | |
1217 | Status = AtapiBlkIoWriteBlocks ( | |
1218 | IdeBlkIoDevice, | |
1219 | MediaId, | |
cd57e888 | 1220 | Lba,\r |
24098ac0 | 1221 | BufferSize, |
1222 | Buffer | |
1223 | ); | |
1224 | ||
1225 | Done: | |
1226 | gBS->RestoreTPL (OldTpl); | |
1227 | return Status; | |
1228 | } | |
1229 | /** | |
1230 | Flushes all modified data to a physical block devices | |
1231 | ||
1232 | @param This Indicates a pointer to the calling context which to sepcify a | |
1233 | sepcific block device | |
1234 | ||
1235 | @retval EFI_SUCCESS Always return success. | |
1236 | **/ | |
1237 | EFI_STATUS | |
1238 | EFIAPI | |
1239 | IDEBlkIoFlushBlocks ( | |
1240 | IN EFI_BLOCK_IO_PROTOCOL *This | |
1241 | ) | |
1242 | { | |
1243 | // | |
1244 | // return directly | |
1245 | // | |
1246 | return EFI_SUCCESS; | |
1247 | } | |
1248 | ||
1249 | /** | |
bab0c17a | 1250 | This function is used by the IDE bus driver to get inquiry data. \r |
1251 | Data format of Identify data is defined by the Interface GUID.\r | |
24098ac0 | 1252 | |
bab0c17a | 1253 | @param This Pointer to the EFI_DISK_INFO_PROTOCOL instance.\r |
1254 | @param InquiryData Pointer to a buffer for the inquiry data.\r | |
1255 | @param InquiryDataSize Pointer to the value for the inquiry data size.\r | |
24098ac0 | 1256 | |
bab0c17a | 1257 | @retval EFI_SUCCESS The command was accepted without any errors.\r |
1258 | @retval EFI_NOT_FOUND Device does not support this data class \r | |
1259 | @retval EFI_DEVICE_ERROR Error reading InquiryData from device \r | |
1260 | @retval EFI_BUFFER_TOO_SMALL IntquiryDataSize not big enough \r | |
24098ac0 | 1261 | |
1262 | **/ | |
1263 | EFI_STATUS | |
1264 | EFIAPI | |
1265 | IDEDiskInfoInquiry ( | |
1266 | IN EFI_DISK_INFO_PROTOCOL *This, | |
1267 | IN OUT VOID *InquiryData, | |
1268 | IN OUT UINT32 *InquiryDataSize | |
1269 | ) | |
1270 | { | |
1271 | IDE_BLK_IO_DEV *IdeBlkIoDevice; | |
1272 | ||
1273 | IdeBlkIoDevice = IDE_BLOCK_IO_DEV_FROM_DISK_INFO_THIS (This); | |
1274 | ||
1275 | if (*InquiryDataSize < sizeof (ATAPI_INQUIRY_DATA)) { | |
1276 | *InquiryDataSize = sizeof (ATAPI_INQUIRY_DATA); | |
1277 | return EFI_BUFFER_TOO_SMALL; | |
1278 | } | |
1279 | ||
1280 | if (IdeBlkIoDevice->InquiryData == NULL) { | |
1281 | return EFI_NOT_FOUND; | |
1282 | } | |
1283 | ||
1284 | gBS->CopyMem (InquiryData, IdeBlkIoDevice->InquiryData, sizeof (ATAPI_INQUIRY_DATA)); | |
1285 | *InquiryDataSize = sizeof (ATAPI_INQUIRY_DATA); | |
1286 | ||
1287 | return EFI_SUCCESS; | |
1288 | } | |
1289 | ||
1290 | /** | |
bab0c17a | 1291 | This function is used by the IDE bus driver to get identify data. \r |
24098ac0 | 1292 | Data format of Identify data is defined by the Interface GUID. |
1293 | ||
bab0c17a | 1294 | @param This Pointer to the EFI_DISK_INFO_PROTOCOL instance.\r |
1295 | @param IdentifyData Pointer to a buffer for the identify data.\r | |
1296 | @param IdentifyDataSize Pointer to the value for the identify data size.\r | |
24098ac0 | 1297 | |
bab0c17a | 1298 | @retval EFI_SUCCESS The command was accepted without any errors.\r |
1299 | @retval EFI_NOT_FOUND Device does not support this data class \r | |
1300 | @retval EFI_DEVICE_ERROR Error reading IdentifyData from device \r | |
1301 | @retval EFI_BUFFER_TOO_SMALL IdentifyDataSize not big enough \r | |
24098ac0 | 1302 | |
1303 | **/ | |
1304 | EFI_STATUS | |
1305 | EFIAPI | |
1306 | IDEDiskInfoIdentify ( | |
1307 | IN EFI_DISK_INFO_PROTOCOL *This, | |
1308 | IN OUT VOID *IdentifyData, | |
1309 | IN OUT UINT32 *IdentifyDataSize | |
1310 | ) | |
1311 | { | |
1312 | IDE_BLK_IO_DEV *IdeBlkIoDevice; | |
1313 | ||
1314 | IdeBlkIoDevice = IDE_BLOCK_IO_DEV_FROM_DISK_INFO_THIS (This); | |
1315 | ||
1316 | if (*IdentifyDataSize < sizeof (EFI_IDENTIFY_DATA)) { | |
1317 | *IdentifyDataSize = sizeof (EFI_IDENTIFY_DATA); | |
1318 | return EFI_BUFFER_TOO_SMALL; | |
1319 | } | |
1320 | ||
1321 | if (IdeBlkIoDevice->IdData == NULL) { | |
1322 | return EFI_NOT_FOUND; | |
1323 | } | |
1324 | ||
1325 | gBS->CopyMem (IdentifyData, IdeBlkIoDevice->IdData, sizeof (EFI_IDENTIFY_DATA)); | |
1326 | *IdentifyDataSize = sizeof (EFI_IDENTIFY_DATA); | |
1327 | ||
1328 | return EFI_SUCCESS; | |
1329 | } | |
1330 | ||
1331 | /** | |
bab0c17a | 1332 | This function is used by the IDE bus driver to get sense data. \r |
24098ac0 | 1333 | Data format of Sense data is defined by the Interface GUID. |
1334 | ||
bab0c17a | 1335 | @param This Pointer to the EFI_DISK_INFO_PROTOCOL instance. \r |
1336 | @param SenseData Pointer to the SenseData. \r | |
1337 | @param SenseDataSize Size of SenseData in bytes. \r | |
1338 | @param SenseDataNumber Pointer to the value for the identify data size.\r | |
24098ac0 | 1339 | |
bab0c17a | 1340 | @retval EFI_SUCCESS The command was accepted without any errors.\r |
1341 | @retval EFI_NOT_FOUND Device does not support this data class \r | |
1342 | @retval EFI_DEVICE_ERROR Error reading InquiryData from device \r | |
1343 | @retval EFI_BUFFER_TOO_SMALL SenseDataSize not big enough \r | |
24098ac0 | 1344 | |
1345 | **/ | |
1346 | EFI_STATUS | |
1347 | EFIAPI | |
1348 | IDEDiskInfoSenseData ( | |
1349 | IN EFI_DISK_INFO_PROTOCOL *This, | |
1350 | IN OUT VOID *SenseData, | |
1351 | IN OUT UINT32 *SenseDataSize, | |
1352 | OUT UINT8 *SenseDataNumber | |
1353 | ) | |
1354 | { | |
1355 | return EFI_NOT_FOUND; | |
1356 | } | |
1357 | ||
1358 | /** | |
bab0c17a | 1359 | This function is used by the IDE bus driver to get controller information.\r |
24098ac0 | 1360 | |
bab0c17a | 1361 | @param This Pointer to the EFI_DISK_INFO_PROTOCOL instance. \r |
1362 | @param IdeChannel Pointer to the Ide Channel number. Primary or secondary.\r | |
1363 | @param IdeDevice Pointer to the Ide Device number. Master or slave.\r | |
24098ac0 | 1364 | |
bab0c17a | 1365 | @retval EFI_SUCCESS IdeChannel and IdeDevice are valid \r |
1366 | @retval EFI_UNSUPPORTED This is not an IDE device \r | |
24098ac0 | 1367 | |
1368 | **/ | |
1369 | EFI_STATUS | |
1370 | EFIAPI | |
1371 | IDEDiskInfoWhichIde ( | |
1372 | IN EFI_DISK_INFO_PROTOCOL *This, | |
1373 | OUT UINT32 *IdeChannel, | |
1374 | OUT UINT32 *IdeDevice | |
1375 | ) | |
1376 | { | |
1377 | IDE_BLK_IO_DEV *IdeBlkIoDevice; | |
1378 | ||
1379 | IdeBlkIoDevice = IDE_BLOCK_IO_DEV_FROM_DISK_INFO_THIS (This); | |
1380 | *IdeChannel = IdeBlkIoDevice->Channel; | |
1381 | *IdeDevice = IdeBlkIoDevice->Device; | |
1382 | ||
1383 | return EFI_SUCCESS; | |
1384 | } | |
1385 | ||
1386 | /** | |
1387 | The is an event(generally the event is exitBootService event) call back function. | |
1388 | Clear pending IDE interrupt before OS loader/kernel take control of the IDE device. | |
1389 | ||
1390 | @param Event Pointer to this event | |
1391 | @param Context Event hanlder private data | |
1392 | ||
1393 | **/ | |
1394 | VOID | |
1395 | EFIAPI | |
1396 | ClearInterrupt ( | |
1397 | IN EFI_EVENT Event, | |
1398 | IN VOID *Context | |
1399 | ) | |
1400 | { | |
1401 | EFI_STATUS Status; | |
1402 | UINT64 IoPortForBmis; | |
1403 | UINT8 RegisterValue; | |
1404 | IDE_BLK_IO_DEV *IdeDev; | |
1405 | ||
1406 | // | |
1407 | // Get our context | |
1408 | // | |
1409 | IdeDev = (IDE_BLK_IO_DEV *) Context; | |
1410 | ||
1411 | // | |
1412 | // Obtain IDE IO port registers' base addresses | |
1413 | // | |
1414 | Status = ReassignIdeResources (IdeDev); | |
1415 | if (EFI_ERROR (Status)) { | |
1416 | return; | |
1417 | } | |
1418 | ||
1419 | // | |
1420 | // Check whether interrupt is pending | |
1421 | // | |
1422 | ||
1423 | // | |
1424 | // Reset IDE device to force it de-assert interrupt pin | |
1425 | // Note: this will reset all devices on this IDE channel | |
1426 | // | |
1427 | AtaSoftReset (IdeDev); | |
1428 | if (EFI_ERROR (Status)) { | |
1429 | return; | |
1430 | } | |
1431 | ||
1432 | // | |
1433 | // Get base address of IDE Bus Master Status Regsiter | |
1434 | // | |
1435 | if (IdePrimary == IdeDev->Channel) { | |
1436 | IoPortForBmis = IdeDev->IoPort->BusMasterBaseAddr + BMISP_OFFSET; | |
1437 | } else { | |
1438 | if (IdeSecondary == IdeDev->Channel) { | |
1439 | IoPortForBmis = IdeDev->IoPort->BusMasterBaseAddr + BMISS_OFFSET; | |
1440 | } else { | |
1441 | return; | |
1442 | } | |
1443 | } | |
1444 | // | |
1445 | // Read BMIS register and clear ERROR and INTR bit | |
1446 | // | |
1447 | IdeDev->PciIo->Io.Read ( | |
1448 | IdeDev->PciIo, | |
1449 | EfiPciIoWidthUint8, | |
1450 | EFI_PCI_IO_PASS_THROUGH_BAR, | |
1451 | IoPortForBmis, | |
1452 | 1, | |
1453 | &RegisterValue | |
1454 | ); | |
1455 | ||
1456 | RegisterValue |= (BMIS_INTERRUPT | BMIS_ERROR); | |
1457 | ||
1458 | IdeDev->PciIo->Io.Write ( | |
1459 | IdeDev->PciIo, | |
1460 | EfiPciIoWidthUint8, | |
1461 | EFI_PCI_IO_PASS_THROUGH_BAR, | |
1462 | IoPortForBmis, | |
1463 | 1, | |
1464 | &RegisterValue | |
1465 | ); | |
1466 | ||
1467 | // | |
1468 | // Select the other device on this channel to ensure this device to release the interrupt pin | |
1469 | // | |
1470 | if (IdeDev->Device == 0) { | |
1471 | RegisterValue = (1 << 4) | 0xe0; | |
1472 | } else { | |
1473 | RegisterValue = (0 << 4) | 0xe0; | |
1474 | } | |
1475 | IDEWritePortB ( | |
1476 | IdeDev->PciIo, | |
1477 | IdeDev->IoPort->Head, | |
1478 | RegisterValue | |
1479 | ); | |
1480 | ||
1481 | } | |
1482 | ||
1483 | /** | |
1484 | The user Entry Point for module IdeBus. The user code starts with this function. | |
1485 | ||
1486 | @param[in] ImageHandle The firmware allocated handle for the EFI image. | |
1487 | @param[in] SystemTable A pointer to the EFI System Table. | |
1488 | ||
1489 | @retval EFI_SUCCESS The entry point is executed successfully. | |
1490 | @retval other Some error occurs when executing this entry point. | |
1491 | ||
1492 | **/ | |
1493 | EFI_STATUS | |
1494 | EFIAPI | |
1495 | InitializeIdeBus( | |
1496 | IN EFI_HANDLE ImageHandle, | |
1497 | IN EFI_SYSTEM_TABLE *SystemTable | |
1498 | ) | |
1499 | { | |
1500 | EFI_STATUS Status; | |
1501 | ||
1502 | // | |
1503 | // Install driver model protocol(s). | |
1504 | // | |
1505 | Status = EfiLibInstallAllDriverProtocols2 ( | |
1506 | ImageHandle, | |
1507 | SystemTable, | |
1508 | &gIDEBusDriverBinding, | |
1509 | ImageHandle, | |
1510 | &gIDEBusComponentName, | |
1511 | &gIDEBusComponentName2, | |
1512 | NULL, | |
1513 | NULL, | |
1514 | &gIDEBusDriverDiagnostics, | |
1515 | &gIDEBusDriverDiagnostics2 | |
1516 | ); | |
1517 | ASSERT_EFI_ERROR (Status); | |
1518 | ||
1519 | return Status; | |
1520 | } |