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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 | |
bcdcc416 MK |
25 | IN EFI_HANDLE ImageHandle,\r |
26 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
b9ec9330 QH |
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 | |
bcdcc416 | 42 | IN EFI_HANDLE ImageHandle\r |
b9ec9330 QH |
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 | |
bcdcc416 | 116 | EFI_DRIVER_BINDING_PROTOCOL gFatDriverBinding = {\r |
b9ec9330 QH |
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 | |
bcdcc416 MK |
139 | IN EFI_HANDLE ImageHandle,\r |
140 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
b9ec9330 | 141 | )\r |
b9ec9330 | 142 | {\r |
bcdcc416 | 143 | EFI_STATUS Status;\r |
b9ec9330 QH |
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 | |
bcdcc416 MK |
227 | &gEfiDriverBindingProtocolGuid,\r |
228 | &gFatDriverBinding,\r | |
b6efb80a RN |
229 | NULL\r |
230 | );\r | |
231 | } else {\r | |
232 | Status = gBS->UninstallMultipleProtocolInterfaces (\r | |
233 | ImageHandle,\r | |
bcdcc416 MK |
234 | &gEfiDriverBindingProtocolGuid,\r |
235 | &gFatDriverBinding,\r | |
236 | &gEfiComponentName2ProtocolGuid,\r | |
237 | ComponentName2,\r | |
b6efb80a RN |
238 | NULL\r |
239 | );\r | |
240 | }\r | |
241 | } else {\r | |
242 | if (ComponentName2 == NULL) {\r | |
243 | Status = gBS->UninstallMultipleProtocolInterfaces (\r | |
244 | ImageHandle,\r | |
bcdcc416 MK |
245 | &gEfiDriverBindingProtocolGuid,\r |
246 | &gFatDriverBinding,\r | |
247 | &gEfiComponentNameProtocolGuid,\r | |
248 | ComponentName,\r | |
b6efb80a RN |
249 | NULL\r |
250 | );\r | |
251 | } else {\r | |
252 | Status = gBS->UninstallMultipleProtocolInterfaces (\r | |
253 | ImageHandle,\r | |
bcdcc416 MK |
254 | &gEfiDriverBindingProtocolGuid,\r |
255 | &gFatDriverBinding,\r | |
256 | &gEfiComponentNameProtocolGuid,\r | |
257 | ComponentName,\r | |
258 | &gEfiComponentName2ProtocolGuid,\r | |
259 | ComponentName2,\r | |
b6efb80a RN |
260 | NULL\r |
261 | );\r | |
262 | }\r | |
263 | }\r | |
264 | }\r | |
265 | \r | |
266 | if (DeviceHandleBuffer != NULL) {\r | |
267 | FreePool (DeviceHandleBuffer);\r | |
b9ec9330 QH |
268 | }\r |
269 | \r | |
270 | return Status;\r | |
271 | }\r | |
272 | \r | |
cae7420b DB |
273 | /**\r |
274 | \r | |
275 | Test to see if this driver can add a file system to ControllerHandle.\r | |
276 | ControllerHandle must support both Disk IO and Block IO protocols.\r | |
277 | \r | |
278 | @param This - Protocol instance pointer.\r | |
279 | @param ControllerHandle - Handle of device to test.\r | |
280 | @param RemainingDevicePath - Not used.\r | |
281 | \r | |
282 | @retval EFI_SUCCESS - This driver supports this device.\r | |
283 | @retval EFI_ALREADY_STARTED - This driver is already running on this device.\r | |
284 | @return other - This driver does not support this device.\r | |
285 | \r | |
286 | **/\r | |
b9ec9330 QH |
287 | EFI_STATUS\r |
288 | EFIAPI\r | |
289 | FatDriverBindingSupported (\r | |
290 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
291 | IN EFI_HANDLE ControllerHandle,\r | |
292 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
293 | )\r | |
b9ec9330 QH |
294 | {\r |
295 | EFI_STATUS Status;\r | |
296 | EFI_DISK_IO_PROTOCOL *DiskIo;\r | |
297 | \r | |
298 | //\r | |
299 | // Open the IO Abstraction(s) needed to perform the supported test\r | |
300 | //\r | |
301 | Status = gBS->OpenProtocol (\r | |
302 | ControllerHandle,\r | |
303 | &gEfiDiskIoProtocolGuid,\r | |
bcdcc416 | 304 | (VOID **)&DiskIo,\r |
b9ec9330 QH |
305 | This->DriverBindingHandle,\r |
306 | ControllerHandle,\r | |
307 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
308 | );\r | |
309 | \r | |
310 | if (EFI_ERROR (Status)) {\r | |
311 | return Status;\r | |
312 | }\r | |
bcdcc416 | 313 | \r |
b9ec9330 QH |
314 | //\r |
315 | // Close the I/O Abstraction(s) used to perform the supported test\r | |
316 | //\r | |
317 | gBS->CloseProtocol (\r | |
318 | ControllerHandle,\r | |
319 | &gEfiDiskIoProtocolGuid,\r | |
320 | This->DriverBindingHandle,\r | |
321 | ControllerHandle\r | |
322 | );\r | |
323 | \r | |
324 | //\r | |
325 | // Open the IO Abstraction(s) needed to perform the supported test\r | |
326 | //\r | |
327 | Status = gBS->OpenProtocol (\r | |
328 | ControllerHandle,\r | |
329 | &gEfiBlockIoProtocolGuid,\r | |
330 | NULL,\r | |
331 | This->DriverBindingHandle,\r | |
332 | ControllerHandle,\r | |
333 | EFI_OPEN_PROTOCOL_TEST_PROTOCOL\r | |
334 | );\r | |
335 | \r | |
336 | return Status;\r | |
337 | }\r | |
338 | \r | |
cae7420b | 339 | /**\r |
b9ec9330 QH |
340 | \r |
341 | Start this driver on ControllerHandle by opening a Block IO and Disk IO\r | |
342 | protocol, reading Device Path. Add a Simple File System protocol to\r | |
343 | ControllerHandle if the media contains a valid file system.\r | |
344 | \r | |
cae7420b DB |
345 | @param This - Protocol instance pointer.\r |
346 | @param ControllerHandle - Handle of device to bind driver to.\r | |
347 | @param RemainingDevicePath - Not used.\r | |
b9ec9330 | 348 | \r |
cae7420b DB |
349 | @retval EFI_SUCCESS - This driver is added to DeviceHandle.\r |
350 | @retval EFI_ALREADY_STARTED - This driver is already running on DeviceHandle.\r | |
351 | @retval EFI_OUT_OF_RESOURCES - Can not allocate the memory.\r | |
352 | @return other - This driver does not support this device.\r | |
b9ec9330 | 353 | \r |
cae7420b DB |
354 | **/\r |
355 | EFI_STATUS\r | |
356 | EFIAPI\r | |
357 | FatDriverBindingStart (\r | |
358 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r | |
359 | IN EFI_HANDLE ControllerHandle,\r | |
360 | IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r | |
361 | )\r | |
b9ec9330 | 362 | {\r |
bcdcc416 MK |
363 | EFI_STATUS Status;\r |
364 | EFI_BLOCK_IO_PROTOCOL *BlockIo;\r | |
365 | EFI_DISK_IO_PROTOCOL *DiskIo;\r | |
366 | EFI_DISK_IO2_PROTOCOL *DiskIo2;\r | |
367 | BOOLEAN LockedByMe;\r | |
5251cb9d QH |
368 | \r |
369 | LockedByMe = FALSE;\r | |
370 | //\r | |
371 | // Acquire the lock.\r | |
372 | // If caller has already acquired the lock, cannot lock it again.\r | |
373 | //\r | |
374 | Status = FatAcquireLockOrFail ();\r | |
375 | if (!EFI_ERROR (Status)) {\r | |
376 | LockedByMe = TRUE;\r | |
377 | }\r | |
b9ec9330 QH |
378 | \r |
379 | Status = InitializeUnicodeCollationSupport (This->DriverBindingHandle);\r | |
380 | if (EFI_ERROR (Status)) {\r | |
5251cb9d | 381 | goto Exit;\r |
b9ec9330 | 382 | }\r |
bcdcc416 | 383 | \r |
b9ec9330 QH |
384 | //\r |
385 | // Open our required BlockIo and DiskIo\r | |
386 | //\r | |
387 | Status = gBS->OpenProtocol (\r | |
388 | ControllerHandle,\r | |
389 | &gEfiBlockIoProtocolGuid,\r | |
bcdcc416 | 390 | (VOID **)&BlockIo,\r |
b9ec9330 QH |
391 | This->DriverBindingHandle,\r |
392 | ControllerHandle,\r | |
393 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
394 | );\r | |
395 | if (EFI_ERROR (Status)) {\r | |
5251cb9d | 396 | goto Exit;\r |
b9ec9330 QH |
397 | }\r |
398 | \r | |
399 | Status = gBS->OpenProtocol (\r | |
400 | ControllerHandle,\r | |
401 | &gEfiDiskIoProtocolGuid,\r | |
bcdcc416 | 402 | (VOID **)&DiskIo,\r |
b9ec9330 QH |
403 | This->DriverBindingHandle,\r |
404 | ControllerHandle,\r | |
405 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
406 | );\r | |
407 | if (EFI_ERROR (Status)) {\r | |
5251cb9d | 408 | goto Exit;\r |
b9ec9330 | 409 | }\r |
149d6335 RN |
410 | \r |
411 | Status = gBS->OpenProtocol (\r | |
412 | ControllerHandle,\r | |
413 | &gEfiDiskIo2ProtocolGuid,\r | |
bcdcc416 | 414 | (VOID **)&DiskIo2,\r |
149d6335 RN |
415 | This->DriverBindingHandle,\r |
416 | ControllerHandle,\r | |
417 | EFI_OPEN_PROTOCOL_BY_DRIVER\r | |
418 | );\r | |
419 | if (EFI_ERROR (Status)) {\r | |
420 | DiskIo2 = NULL;\r | |
421 | }\r | |
422 | \r | |
b9ec9330 QH |
423 | //\r |
424 | // Allocate Volume structure. In FatAllocateVolume(), Resources\r | |
425 | // are allocated with protocol installed and cached initialized\r | |
426 | //\r | |
149d6335 | 427 | Status = FatAllocateVolume (ControllerHandle, DiskIo, DiskIo2, BlockIo);\r |
b9ec9330 QH |
428 | \r |
429 | //\r | |
db62b65c | 430 | // When the media changes on a device it will Reinstall the BlockIo interface.\r |
b9ec9330 QH |
431 | // This will cause a call to our Stop(), and a subsequent reentrant call to our\r |
432 | // Start() successfully. We should leave the device open when this happen.\r | |
433 | //\r | |
434 | if (EFI_ERROR (Status)) {\r | |
435 | Status = gBS->OpenProtocol (\r | |
436 | ControllerHandle,\r | |
437 | &gEfiSimpleFileSystemProtocolGuid,\r | |
438 | NULL,\r | |
439 | This->DriverBindingHandle,\r | |
440 | ControllerHandle,\r | |
441 | EFI_OPEN_PROTOCOL_TEST_PROTOCOL\r | |
442 | );\r | |
443 | if (EFI_ERROR (Status)) {\r | |
444 | gBS->CloseProtocol (\r | |
445 | ControllerHandle,\r | |
446 | &gEfiDiskIoProtocolGuid,\r | |
447 | This->DriverBindingHandle,\r | |
448 | ControllerHandle\r | |
449 | );\r | |
149d6335 RN |
450 | gBS->CloseProtocol (\r |
451 | ControllerHandle,\r | |
452 | &gEfiDiskIo2ProtocolGuid,\r | |
453 | This->DriverBindingHandle,\r | |
454 | ControllerHandle\r | |
455 | );\r | |
b9ec9330 QH |
456 | }\r |
457 | }\r | |
458 | \r | |
5251cb9d QH |
459 | Exit:\r |
460 | //\r | |
461 | // Unlock if locked by myself.\r | |
462 | //\r | |
463 | if (LockedByMe) {\r | |
464 | FatReleaseLock ();\r | |
465 | }\r | |
bcdcc416 | 466 | \r |
b9ec9330 QH |
467 | return Status;\r |
468 | }\r | |
469 | \r | |
cae7420b DB |
470 | /**\r |
471 | \r | |
472 | Stop this driver on ControllerHandle.\r | |
473 | \r | |
474 | @param This - Protocol instance pointer.\r | |
475 | @param ControllerHandle - Handle of device to stop driver on.\r | |
476 | @param NumberOfChildren - Not used.\r | |
477 | @param ChildHandleBuffer - Not used.\r | |
478 | \r | |
479 | @retval EFI_SUCCESS - This driver is removed DeviceHandle.\r | |
480 | @return other - This driver was not removed from this device.\r | |
481 | \r | |
482 | **/\r | |
b9ec9330 QH |
483 | EFI_STATUS\r |
484 | EFIAPI\r | |
485 | FatDriverBindingStop (\r | |
bcdcc416 MK |
486 | IN EFI_DRIVER_BINDING_PROTOCOL *This,\r |
487 | IN EFI_HANDLE ControllerHandle,\r | |
488 | IN UINTN NumberOfChildren,\r | |
489 | IN EFI_HANDLE *ChildHandleBuffer\r | |
b9ec9330 | 490 | )\r |
b9ec9330 | 491 | {\r |
bcdcc416 MK |
492 | EFI_STATUS Status;\r |
493 | EFI_SIMPLE_FILE_SYSTEM_PROTOCOL *FileSystem;\r | |
494 | FAT_VOLUME *Volume;\r | |
495 | EFI_DISK_IO2_PROTOCOL *DiskIo2;\r | |
b9ec9330 | 496 | \r |
9e710bc9 | 497 | DiskIo2 = NULL;\r |
b9ec9330 QH |
498 | //\r |
499 | // Get our context back\r | |
500 | //\r | |
501 | Status = gBS->OpenProtocol (\r | |
502 | ControllerHandle,\r | |
503 | &gEfiSimpleFileSystemProtocolGuid,\r | |
bcdcc416 | 504 | (VOID **)&FileSystem,\r |
b9ec9330 QH |
505 | This->DriverBindingHandle,\r |
506 | ControllerHandle,\r | |
507 | EFI_OPEN_PROTOCOL_GET_PROTOCOL\r | |
508 | );\r | |
509 | \r | |
510 | if (!EFI_ERROR (Status)) {\r | |
9e710bc9 RN |
511 | Volume = VOLUME_FROM_VOL_INTERFACE (FileSystem);\r |
512 | DiskIo2 = Volume->DiskIo2;\r | |
513 | Status = FatAbandonVolume (Volume);\r | |
b9ec9330 QH |
514 | }\r |
515 | \r | |
9e710bc9 RN |
516 | if (!EFI_ERROR (Status)) {\r |
517 | if (DiskIo2 != NULL) {\r | |
518 | Status = gBS->CloseProtocol (\r | |
bcdcc416 MK |
519 | ControllerHandle,\r |
520 | &gEfiDiskIo2ProtocolGuid,\r | |
521 | This->DriverBindingHandle,\r | |
522 | ControllerHandle\r | |
523 | );\r | |
9e710bc9 RN |
524 | ASSERT_EFI_ERROR (Status);\r |
525 | }\r | |
bcdcc416 | 526 | \r |
9e710bc9 | 527 | Status = gBS->CloseProtocol (\r |
bcdcc416 MK |
528 | ControllerHandle,\r |
529 | &gEfiDiskIoProtocolGuid,\r | |
530 | This->DriverBindingHandle,\r | |
531 | ControllerHandle\r | |
532 | );\r | |
9e710bc9 RN |
533 | ASSERT_EFI_ERROR (Status);\r |
534 | }\r | |
b9ec9330 QH |
535 | \r |
536 | return Status;\r | |
537 | }\r |