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Commit | Line | Data |
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cae7420b DB |
1 | /** @file\r |
2 | Fat File System driver routines that support EFI driver model.\r | |
b9ec9330 | 3 | \r |
b6efb80a | 4 | Copyright (c) 2005 - 2014, Intel Corporation. All rights reserved.<BR>\r |
eb6cb4ce | 5 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
b9ec9330 | 6 | \r |
cae7420b | 7 | **/\r |
b9ec9330 QH |
8 | \r |
9 | #include "Fat.h"\r | |
10 | \r | |
205cc663 DB |
11 | /**\r |
12 | \r | |
13 | Register Driver Binding protocol for this driver.\r | |
14 | \r | |
15 | @param ImageHandle - Handle for the image of this driver.\r | |
16 | @param SystemTable - Pointer to the EFI System Table.\r | |
17 | \r | |
18 | @retval EFI_SUCCESS - Driver loaded.\r | |
19 | @return other - Driver not loaded.\r | |
20 | \r | |
21 | **/\r | |
b9ec9330 QH |
22 | EFI_STATUS\r |
23 | EFIAPI\r | |
24 | FatEntryPoint (\r | |
25 | IN EFI_HANDLE ImageHandle,\r | |
26 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
27 | );\r | |
28 | \r | |
205cc663 DB |
29 | /**\r |
30 | \r | |
31 | Unload function for this image. Uninstall DriverBinding protocol.\r | |
32 | \r | |
33 | @param ImageHandle - Handle for the image of this driver.\r | |
34 | \r | |
35 | @retval EFI_SUCCESS - Driver unloaded successfully.\r | |
36 | @return other - Driver can not unloaded.\r | |
37 | \r | |
38 | **/\r | |
b9ec9330 QH |
39 | EFI_STATUS\r |
40 | EFIAPI\r | |
41 | FatUnload (\r | |
42 | IN EFI_HANDLE ImageHandle\r | |
43 | );\r | |
44 | \r | |
205cc663 DB |
45 | /**\r |
46 | \r | |
47 | Test to see if this driver can add a file system to ControllerHandle.\r | |
48 | ControllerHandle must support both Disk IO and Block IO protocols.\r | |
49 | \r | |
50 | @param This - Protocol instance pointer.\r | |
51 | @param ControllerHandle - Handle of device to test.\r | |
52 | @param RemainingDevicePath - Not used.\r | |
53 | \r | |
54 | @retval EFI_SUCCESS - This driver supports this device.\r | |
55 | @retval EFI_ALREADY_STARTED - This driver is already running on this device.\r | |
56 | @return other - This driver does not support this device.\r | |
57 | \r | |
58 | **/\r | |
b9ec9330 QH |
59 | EFI_STATUS\r |
60 | EFIAPI\r | |
61 | FatDriverBindingSupported (\r | |
62 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
63 | IN EFI_HANDLE Controller,\r | |
64 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
65 | );\r | |
66 | \r | |
205cc663 DB |
67 | /**\r |
68 | \r | |
69 | Start this driver on ControllerHandle by opening a Block IO and Disk IO\r | |
70 | protocol, reading Device Path. Add a Simple File System protocol to\r | |
71 | ControllerHandle if the media contains a valid file system.\r | |
72 | \r | |
73 | @param This - Protocol instance pointer.\r | |
74 | @param ControllerHandle - Handle of device to bind driver to.\r | |
75 | @param RemainingDevicePath - Not used.\r | |
76 | \r | |
77 | @retval EFI_SUCCESS - This driver is added to DeviceHandle.\r | |
78 | @retval EFI_ALREADY_STARTED - This driver is already running on DeviceHandle.\r | |
79 | @retval EFI_OUT_OF_RESOURCES - Can not allocate the memory.\r | |
80 | @return other - This driver does not support this device.\r | |
81 | \r | |
82 | **/\r | |
b9ec9330 QH |
83 | EFI_STATUS\r |
84 | EFIAPI\r | |
85 | FatDriverBindingStart (\r | |
86 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
87 | IN EFI_HANDLE Controller,\r | |
88 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
89 | );\r | |
90 | \r | |
205cc663 DB |
91 | /**\r |
92 | \r | |
93 | Stop this driver on ControllerHandle.\r | |
94 | \r | |
95 | @param This - Protocol instance pointer.\r | |
96 | @param ControllerHandle - Handle of device to stop driver on.\r | |
97 | @param NumberOfChildren - Not used.\r | |
98 | @param ChildHandleBuffer - Not used.\r | |
99 | \r | |
100 | @retval EFI_SUCCESS - This driver is removed DeviceHandle.\r | |
101 | @return other - This driver was not removed from this device.\r | |
102 | \r | |
103 | **/\r | |
b9ec9330 QH |
104 | EFI_STATUS\r |
105 | EFIAPI\r | |
106 | FatDriverBindingStop (\r | |
107 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
108 | IN EFI_HANDLE Controller,\r | |
109 | IN UINTN NumberOfChildren,\r | |
110 | IN EFI_HANDLE *ChildHandleBuffer\r | |
111 | );\r | |
112 | \r | |
113 | //\r | |
114 | // DriverBinding protocol instance\r | |
115 | //\r | |
116 | EFI_DRIVER_BINDING_PROTOCOL gFatDriverBinding = {\r | |
117 | FatDriverBindingSupported,\r | |
118 | FatDriverBindingStart,\r | |
119 | FatDriverBindingStop,\r | |
120 | 0xa,\r | |
121 | NULL,\r | |
122 | NULL\r | |
123 | };\r | |
124 | \r | |
cae7420b DB |
125 | /**\r |
126 | \r | |
127 | Register Driver Binding protocol for this driver.\r | |
128 | \r | |
129 | @param ImageHandle - Handle for the image of this driver.\r | |
130 | @param SystemTable - Pointer to the EFI System Table.\r | |
131 | \r | |
132 | @retval EFI_SUCCESS - Driver loaded.\r | |
133 | @return other - Driver not loaded.\r | |
134 | \r | |
135 | **/\r | |
b9ec9330 QH |
136 | EFI_STATUS\r |
137 | EFIAPI\r | |
138 | FatEntryPoint (\r | |
139 | IN EFI_HANDLE ImageHandle,\r | |
140 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
141 | )\r | |
b9ec9330 QH |
142 | {\r |
143 | EFI_STATUS Status;\r | |
144 | \r | |
145 | //\r | |
146 | // Initialize the EFI Driver Library\r | |
147 | //\r | |
148 | Status = EfiLibInstallDriverBindingComponentName2 (\r | |
149 | ImageHandle,\r | |
150 | SystemTable,\r | |
151 | &gFatDriverBinding,\r | |
152 | ImageHandle,\r | |
153 | &gFatComponentName,\r | |
154 | &gFatComponentName2\r | |
155 | );\r | |
156 | ASSERT_EFI_ERROR (Status);\r | |
157 | \r | |
158 | return Status;\r | |
159 | }\r | |
160 | \r | |
cae7420b | 161 | /**\r |
b9ec9330 QH |
162 | \r |
163 | Unload function for this image. Uninstall DriverBinding protocol.\r | |
164 | \r | |
cae7420b | 165 | @param ImageHandle - Handle for the image of this driver.\r |
b9ec9330 | 166 | \r |
cae7420b DB |
167 | @retval EFI_SUCCESS - Driver unloaded successfully.\r |
168 | @return other - Driver can not unloaded.\r | |
b9ec9330 | 169 | \r |
cae7420b DB |
170 | **/\r |
171 | EFI_STATUS\r | |
172 | EFIAPI\r | |
173 | FatUnload (\r | |
174 | IN EFI_HANDLE ImageHandle\r | |
175 | )\r | |
b9ec9330 QH |
176 | {\r |
177 | EFI_STATUS Status;\r | |
178 | EFI_HANDLE *DeviceHandleBuffer;\r | |
179 | UINTN DeviceHandleCount;\r | |
180 | UINTN Index;\r | |
b6efb80a RN |
181 | VOID *ComponentName;\r |
182 | VOID *ComponentName2;\r | |
b9ec9330 QH |
183 | \r |
184 | Status = gBS->LocateHandleBuffer (\r | |
185 | AllHandles,\r | |
186 | NULL,\r | |
187 | NULL,\r | |
188 | &DeviceHandleCount,\r | |
189 | &DeviceHandleBuffer\r | |
190 | );\r | |
b6efb80a RN |
191 | if (EFI_ERROR (Status)) {\r |
192 | return Status;\r | |
193 | }\r | |
194 | \r | |
195 | for (Index = 0; Index < DeviceHandleCount; Index++) {\r | |
196 | Status = EfiTestManagedDevice (DeviceHandleBuffer[Index], ImageHandle, &gEfiDiskIoProtocolGuid);\r | |
197 | if (!EFI_ERROR (Status)) {\r | |
b9ec9330 QH |
198 | Status = gBS->DisconnectController (\r |
199 | DeviceHandleBuffer[Index],\r | |
200 | ImageHandle,\r | |
201 | NULL\r | |
202 | );\r | |
b6efb80a RN |
203 | if (EFI_ERROR (Status)) {\r |
204 | break;\r | |
205 | }\r | |
206 | }\r | |
207 | }\r | |
208 | \r | |
209 | if (Index == DeviceHandleCount) {\r | |
210 | //\r | |
211 | // Driver is stopped successfully.\r | |
212 | //\r | |
213 | Status = gBS->HandleProtocol (ImageHandle, &gEfiComponentNameProtocolGuid, &ComponentName);\r | |
214 | if (EFI_ERROR (Status)) {\r | |
215 | ComponentName = NULL;\r | |
b9ec9330 QH |
216 | }\r |
217 | \r | |
b6efb80a RN |
218 | Status = gBS->HandleProtocol (ImageHandle, &gEfiComponentName2ProtocolGuid, &ComponentName2);\r |
219 | if (EFI_ERROR (Status)) {\r | |
220 | ComponentName2 = NULL;\r | |
b9ec9330 | 221 | }\r |
b6efb80a RN |
222 | \r |
223 | if (ComponentName == NULL) {\r | |
224 | if (ComponentName2 == NULL) {\r | |
225 | Status = gBS->UninstallMultipleProtocolInterfaces (\r | |
226 | ImageHandle,\r | |
227 | &gEfiDriverBindingProtocolGuid, &gFatDriverBinding,\r | |
228 | NULL\r | |
229 | );\r | |
230 | } else {\r | |
231 | Status = gBS->UninstallMultipleProtocolInterfaces (\r | |
232 | ImageHandle,\r | |
233 | &gEfiDriverBindingProtocolGuid, &gFatDriverBinding,\r | |
234 | &gEfiComponentName2ProtocolGuid, ComponentName2,\r | |
235 | NULL\r | |
236 | );\r | |
237 | }\r | |
238 | } else {\r | |
239 | if (ComponentName2 == NULL) {\r | |
240 | Status = gBS->UninstallMultipleProtocolInterfaces (\r | |
241 | ImageHandle,\r | |
242 | &gEfiDriverBindingProtocolGuid, &gFatDriverBinding,\r | |
243 | &gEfiComponentNameProtocolGuid, ComponentName,\r | |
244 | NULL\r | |
245 | );\r | |
246 | } else {\r | |
247 | Status = gBS->UninstallMultipleProtocolInterfaces (\r | |
248 | ImageHandle,\r | |
249 | &gEfiDriverBindingProtocolGuid, &gFatDriverBinding,\r | |
250 | &gEfiComponentNameProtocolGuid, ComponentName,\r | |
251 | &gEfiComponentName2ProtocolGuid, ComponentName2,\r | |
252 | NULL\r | |
253 | );\r | |
254 | }\r | |
255 | }\r | |
256 | }\r | |
257 | \r | |
258 | if (DeviceHandleBuffer != NULL) {\r | |
259 | FreePool (DeviceHandleBuffer);\r | |
b9ec9330 QH |
260 | }\r |
261 | \r | |
262 | return Status;\r | |
263 | }\r | |
264 | \r | |
cae7420b DB |
265 | /**\r |
266 | \r | |
267 | Test to see if this driver can add a file system to ControllerHandle.\r | |
268 | ControllerHandle must support both Disk IO and Block IO protocols.\r | |
269 | \r | |
270 | @param This - Protocol instance pointer.\r | |
271 | @param ControllerHandle - Handle of device to test.\r | |
272 | @param RemainingDevicePath - Not used.\r | |
273 | \r | |
274 | @retval EFI_SUCCESS - This driver supports this device.\r | |
275 | @retval EFI_ALREADY_STARTED - This driver is already running on this device.\r | |
276 | @return other - This driver does not support this device.\r | |
277 | \r | |
278 | **/\r | |
b9ec9330 QH |
279 | EFI_STATUS\r |
280 | EFIAPI\r | |
281 | FatDriverBindingSupported (\r | |
282 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
283 | IN EFI_HANDLE ControllerHandle,\r | |
284 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
285 | )\r | |
b9ec9330 QH |
286 | {\r |
287 | EFI_STATUS Status;\r | |
288 | EFI_DISK_IO_PROTOCOL *DiskIo;\r | |
289 | \r | |
290 | //\r | |
291 | // Open the IO Abstraction(s) needed to perform the supported test\r | |
292 | //\r | |
293 | Status = gBS->OpenProtocol (\r | |
294 | ControllerHandle,\r | |
295 | &gEfiDiskIoProtocolGuid,\r | |
296 | (VOID **) &DiskIo,\r | |
297 | This->DriverBindingHandle,\r | |
298 | ControllerHandle,\r | |
299 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
300 | );\r | |
301 | \r | |
302 | if (EFI_ERROR (Status)) {\r | |
303 | return Status;\r | |
304 | }\r | |
305 | //\r | |
306 | // Close the I/O Abstraction(s) used to perform the supported test\r | |
307 | //\r | |
308 | gBS->CloseProtocol (\r | |
309 | ControllerHandle,\r | |
310 | &gEfiDiskIoProtocolGuid,\r | |
311 | This->DriverBindingHandle,\r | |
312 | ControllerHandle\r | |
313 | );\r | |
314 | \r | |
315 | //\r | |
316 | // Open the IO Abstraction(s) needed to perform the supported test\r | |
317 | //\r | |
318 | Status = gBS->OpenProtocol (\r | |
319 | ControllerHandle,\r | |
320 | &gEfiBlockIoProtocolGuid,\r | |
321 | NULL,\r | |
322 | This->DriverBindingHandle,\r | |
323 | ControllerHandle,\r | |
324 | EFI_OPEN_PROTOCOL_TEST_PROTOCOL\r | |
325 | );\r | |
326 | \r | |
327 | return Status;\r | |
328 | }\r | |
329 | \r | |
cae7420b | 330 | /**\r |
b9ec9330 QH |
331 | \r |
332 | Start this driver on ControllerHandle by opening a Block IO and Disk IO\r | |
333 | protocol, reading Device Path. Add a Simple File System protocol to\r | |
334 | ControllerHandle if the media contains a valid file system.\r | |
335 | \r | |
cae7420b DB |
336 | @param This - Protocol instance pointer.\r |
337 | @param ControllerHandle - Handle of device to bind driver to.\r | |
338 | @param RemainingDevicePath - Not used.\r | |
b9ec9330 | 339 | \r |
cae7420b DB |
340 | @retval EFI_SUCCESS - This driver is added to DeviceHandle.\r |
341 | @retval EFI_ALREADY_STARTED - This driver is already running on DeviceHandle.\r | |
342 | @retval EFI_OUT_OF_RESOURCES - Can not allocate the memory.\r | |
343 | @return other - This driver does not support this device.\r | |
b9ec9330 | 344 | \r |
cae7420b DB |
345 | **/\r |
346 | EFI_STATUS\r | |
347 | EFIAPI\r | |
348 | FatDriverBindingStart (\r | |
349 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
350 | IN EFI_HANDLE ControllerHandle,\r | |
351 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
352 | )\r | |
b9ec9330 QH |
353 | {\r |
354 | EFI_STATUS Status;\r | |
355 | EFI_BLOCK_IO_PROTOCOL *BlockIo;\r | |
356 | EFI_DISK_IO_PROTOCOL *DiskIo;\r | |
149d6335 | 357 | EFI_DISK_IO2_PROTOCOL *DiskIo2;\r |
5251cb9d QH |
358 | BOOLEAN LockedByMe;\r |
359 | \r | |
360 | LockedByMe = FALSE;\r | |
361 | //\r | |
362 | // Acquire the lock.\r | |
363 | // If caller has already acquired the lock, cannot lock it again.\r | |
364 | //\r | |
365 | Status = FatAcquireLockOrFail ();\r | |
366 | if (!EFI_ERROR (Status)) {\r | |
367 | LockedByMe = TRUE;\r | |
368 | }\r | |
b9ec9330 QH |
369 | \r |
370 | Status = InitializeUnicodeCollationSupport (This->DriverBindingHandle);\r | |
371 | if (EFI_ERROR (Status)) {\r | |
5251cb9d | 372 | goto Exit;\r |
b9ec9330 QH |
373 | }\r |
374 | //\r | |
375 | // Open our required BlockIo and DiskIo\r | |
376 | //\r | |
377 | Status = gBS->OpenProtocol (\r | |
378 | ControllerHandle,\r | |
379 | &gEfiBlockIoProtocolGuid,\r | |
380 | (VOID **) &BlockIo,\r | |
381 | This->DriverBindingHandle,\r | |
382 | ControllerHandle,\r | |
383 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
384 | );\r | |
385 | if (EFI_ERROR (Status)) {\r | |
5251cb9d | 386 | goto Exit;\r |
b9ec9330 QH |
387 | }\r |
388 | \r | |
389 | Status = gBS->OpenProtocol (\r | |
390 | ControllerHandle,\r | |
391 | &gEfiDiskIoProtocolGuid,\r | |
392 | (VOID **) &DiskIo,\r | |
393 | This->DriverBindingHandle,\r | |
394 | ControllerHandle,\r | |
395 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
396 | );\r | |
397 | if (EFI_ERROR (Status)) {\r | |
5251cb9d | 398 | goto Exit;\r |
b9ec9330 | 399 | }\r |
149d6335 RN |
400 | \r |
401 | Status = gBS->OpenProtocol (\r | |
402 | ControllerHandle,\r | |
403 | &gEfiDiskIo2ProtocolGuid,\r | |
404 | (VOID **) &DiskIo2,\r | |
405 | This->DriverBindingHandle,\r | |
406 | ControllerHandle,\r | |
407 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
408 | );\r | |
409 | if (EFI_ERROR (Status)) {\r | |
410 | DiskIo2 = NULL;\r | |
411 | }\r | |
412 | \r | |
b9ec9330 QH |
413 | //\r |
414 | // Allocate Volume structure. In FatAllocateVolume(), Resources\r | |
415 | // are allocated with protocol installed and cached initialized\r | |
416 | //\r | |
149d6335 | 417 | Status = FatAllocateVolume (ControllerHandle, DiskIo, DiskIo2, BlockIo);\r |
b9ec9330 QH |
418 | \r |
419 | //\r | |
420 | // When the media changes on a device it will Reinstall the BlockIo interaface.\r | |
421 | // This will cause a call to our Stop(), and a subsequent reentrant call to our\r | |
422 | // Start() successfully. We should leave the device open when this happen.\r | |
423 | //\r | |
424 | if (EFI_ERROR (Status)) {\r | |
425 | Status = gBS->OpenProtocol (\r | |
426 | ControllerHandle,\r | |
427 | &gEfiSimpleFileSystemProtocolGuid,\r | |
428 | NULL,\r | |
429 | This->DriverBindingHandle,\r | |
430 | ControllerHandle,\r | |
431 | EFI_OPEN_PROTOCOL_TEST_PROTOCOL\r | |
432 | );\r | |
433 | if (EFI_ERROR (Status)) {\r | |
434 | gBS->CloseProtocol (\r | |
435 | ControllerHandle,\r | |
436 | &gEfiDiskIoProtocolGuid,\r | |
437 | This->DriverBindingHandle,\r | |
438 | ControllerHandle\r | |
439 | );\r | |
149d6335 RN |
440 | gBS->CloseProtocol (\r |
441 | ControllerHandle,\r | |
442 | &gEfiDiskIo2ProtocolGuid,\r | |
443 | This->DriverBindingHandle,\r | |
444 | ControllerHandle\r | |
445 | );\r | |
b9ec9330 QH |
446 | }\r |
447 | }\r | |
448 | \r | |
5251cb9d QH |
449 | Exit:\r |
450 | //\r | |
451 | // Unlock if locked by myself.\r | |
452 | //\r | |
453 | if (LockedByMe) {\r | |
454 | FatReleaseLock ();\r | |
455 | }\r | |
b9ec9330 QH |
456 | return Status;\r |
457 | }\r | |
458 | \r | |
cae7420b DB |
459 | /**\r |
460 | \r | |
461 | Stop this driver on ControllerHandle.\r | |
462 | \r | |
463 | @param This - Protocol instance pointer.\r | |
464 | @param ControllerHandle - Handle of device to stop driver on.\r | |
465 | @param NumberOfChildren - Not used.\r | |
466 | @param ChildHandleBuffer - Not used.\r | |
467 | \r | |
468 | @retval EFI_SUCCESS - This driver is removed DeviceHandle.\r | |
469 | @return other - This driver was not removed from this device.\r | |
470 | \r | |
471 | **/\r | |
b9ec9330 QH |
472 | EFI_STATUS\r |
473 | EFIAPI\r | |
474 | FatDriverBindingStop (\r | |
475 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
476 | IN EFI_HANDLE ControllerHandle,\r | |
477 | IN UINTN NumberOfChildren,\r | |
478 | IN EFI_HANDLE *ChildHandleBuffer\r | |
479 | )\r | |
b9ec9330 QH |
480 | {\r |
481 | EFI_STATUS Status;\r | |
482 | EFI_SIMPLE_FILE_SYSTEM_PROTOCOL *FileSystem;\r | |
483 | FAT_VOLUME *Volume;\r | |
9e710bc9 | 484 | EFI_DISK_IO2_PROTOCOL *DiskIo2;\r |
b9ec9330 | 485 | \r |
9e710bc9 | 486 | DiskIo2 = NULL;\r |
b9ec9330 QH |
487 | //\r |
488 | // Get our context back\r | |
489 | //\r | |
490 | Status = gBS->OpenProtocol (\r | |
491 | ControllerHandle,\r | |
492 | &gEfiSimpleFileSystemProtocolGuid,\r | |
493 | (VOID **) &FileSystem,\r | |
494 | This->DriverBindingHandle,\r | |
495 | ControllerHandle,\r | |
496 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
497 | );\r | |
498 | \r | |
499 | if (!EFI_ERROR (Status)) {\r | |
9e710bc9 RN |
500 | Volume = VOLUME_FROM_VOL_INTERFACE (FileSystem);\r |
501 | DiskIo2 = Volume->DiskIo2;\r | |
502 | Status = FatAbandonVolume (Volume);\r | |
b9ec9330 QH |
503 | }\r |
504 | \r | |
9e710bc9 RN |
505 | if (!EFI_ERROR (Status)) {\r |
506 | if (DiskIo2 != NULL) {\r | |
507 | Status = gBS->CloseProtocol (\r | |
508 | ControllerHandle,\r | |
509 | &gEfiDiskIo2ProtocolGuid,\r | |
510 | This->DriverBindingHandle,\r | |
511 | ControllerHandle\r | |
512 | );\r | |
513 | ASSERT_EFI_ERROR (Status);\r | |
514 | }\r | |
515 | Status = gBS->CloseProtocol (\r | |
516 | ControllerHandle,\r | |
517 | &gEfiDiskIoProtocolGuid,\r | |
518 | This->DriverBindingHandle,\r | |
519 | ControllerHandle\r | |
520 | );\r | |
521 | ASSERT_EFI_ERROR (Status);\r | |
522 | }\r | |
b9ec9330 QH |
523 | \r |
524 | return Status;\r | |
525 | }\r |