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