FvSimpleFileSystemInternal.h@ 106129

Last change on this file since 106129 was 99404, checked in by vboxsync, 2 years ago
Devices/EFI/FirmwareNew: Update to edk2-stable202302 and make it build, bugref:4643
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1	/** @file
2	The internal header file of FvSimpleFileSystem driver.
3
4	Copyright (c) 2014, ARM Limited. All rights reserved.
5	Copyright (c) 2014 - 2018, Intel Corporation. All rights reserved.<BR>
6
7	SPDX-License-Identifier: BSD-2-Clause-Patent
8
9	**/
10
11	#ifndef __FVFS_INTERNAL_H__
12	#define __FVFS_INTERNAL_H__
13
14	#include <Uefi.h>
15	#include <PiDxe.h>
16
17	#include <Library/BaseLib.h>
18	#include <Library/BaseMemoryLib.h>
19	#include <Library/DebugLib.h>
20	#include <Library/DevicePathLib.h>
21	#include <Library/MemoryAllocationLib.h>
22	#include <Library/PrintLib.h>
23	#include <Library/UefiBootServicesTableLib.h>
24	#include <Library/UefiLib.h>
25
26	#include <Protocol/DriverBinding.h>
27	#include <Protocol/FirmwareVolume2.h>
28	#include <Protocol/SimpleFileSystem.h>
29	#include <Protocol/UnicodeCollation.h>
30
31	#include <Guid/FileSystemInfo.h>
32	#include <Guid/FileInfo.h>
33	#include <Guid/FileSystemVolumeLabelInfo.h>
34
35	typedef struct _FV_FILESYSTEM_FILE FV_FILESYSTEM_FILE;
36	typedef struct _FV_FILESYSTEM_FILE_INFO FV_FILESYSTEM_FILE_INFO;
37	typedef struct _FV_FILESYSTEM_INSTANCE FV_FILESYSTEM_INSTANCE;
38
39	//
40	// Struct representing an instance of the "filesystem". There will be one of
41	// these structs per FV.
42	//
43	struct _FV_FILESYSTEM_INSTANCE {
44	UINT32 Signature;
45	LIST_ENTRY FileInfoHead;
46	LIST_ENTRY FileHead;
47	EFI_DRIVER_BINDING_PROTOCOL *DriverBinding;
48	EFI_FIRMWARE_VOLUME2_PROTOCOL *FvProtocol;
49	EFI_SIMPLE_FILE_SYSTEM_PROTOCOL SimpleFs;
50	FV_FILESYSTEM_FILE *Root;
51	CHAR16 *VolumeLabel;
52	};
53
54	//
55	// Struct representing a opening file. Each opening operation on file will
56	// create such an instance except for the "root directory", which will only
57	// be created once for each FV.
58	//
59	struct _FV_FILESYSTEM_FILE {
60	UINT32 Signature;
61	LIST_ENTRY Link;
62	FV_FILESYSTEM_FILE_INFO *DirReadNext;
63	FV_FILESYSTEM_INSTANCE *Instance;
64	EFI_FILE_PROTOCOL FileProtocol;
65	FV_FILESYSTEM_FILE_INFO *FvFileInfo;
66	UINT64 Position;
67	};
68
69	//
70	// Struct representing the info of a file.
71	//
72	struct _FV_FILESYSTEM_FILE_INFO {
73	UINT32 Signature;
74	LIST_ENTRY Link;
75	EFI_GUID NameGuid;
76	EFI_FV_FILETYPE Type;
77	EFI_FILE_INFO FileInfo;
78	};
79
80	#define FVFS_FILE_SIGNATURE SIGNATURE_32 ('f', 'v', 'f', 'i')
81	#define FVFS_FILE_INFO_SIGNATURE SIGNATURE_32 ('f', 'v', 'i', 'n')
82	#define FVFS_INSTANCE_SIGNATURE SIGNATURE_32 ('f', 'v', 'f', 's')
83
84	#define FVFS_INSTANCE_FROM_SIMPLE_FS_THIS(This) CR ( \
85	This, \
86	FV_FILESYSTEM_INSTANCE, \
87	SimpleFs, \
88	FVFS_INSTANCE_SIGNATURE \
89	)
90
91	#define FVFS_FILE_FROM_FILE_THIS(This) CR ( \
92	This, \
93	FV_FILESYSTEM_FILE, \
94	FileProtocol, \
95	FVFS_FILE_SIGNATURE \
96	)
97
98	#define FVFS_FILE_INFO_FROM_LINK(This) CR ( \
99	This, \
100	FV_FILESYSTEM_FILE_INFO, \
101	Link, \
102	FVFS_FILE_INFO_SIGNATURE \
103	)
104
105	#define FVFS_FILE_FROM_LINK(FileLink) CR (FileLink, FV_FILESYSTEM_FILE, Link, FVFS_FILE_SIGNATURE)
106
107	#define FVFS_GET_FIRST_FILE(Instance) FVFS_FILE_FROM_LINK (GetFirstNode (&Instance->FileHead))
108
109	#define FVFS_GET_FIRST_FILE_INFO(Instance) FVFS_FILE_INFO_FROM_LINK (GetFirstNode (&Instance->FileInfoHead))
110
111	#define FV_FILETYPE_IS_EXECUTABLE(Type) ((Type) == EFI_FV_FILETYPE_PEIM \|\|\
112	(Type) == EFI_FV_FILETYPE_DRIVER \|\| \
113	(Type) == EFI_FV_FILETYPE_COMBINED_PEIM_DRIVER \|\| \
114	(Type) == EFI_FV_FILETYPE_APPLICATION)
115
116	/**
117	Open the root directory on a volume.
118
119	@param This A pointer to the volume to open the root directory.
120	@param RootFile A pointer to the location to return the opened file handle for the
121	root directory.
122
123	@retval EFI_SUCCESS The device was opened.
124	@retval EFI_UNSUPPORTED This volume does not support the requested file system type.
125	@retval EFI_NO_MEDIA The device has no medium.
126	@retval EFI_DEVICE_ERROR The device reported an error.
127	@retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.
128	@retval EFI_ACCESS_DENIED The service denied access to the file.
129	@retval EFI_OUT_OF_RESOURCES The volume was not opened due to lack of resources.
130	@retval EFI_MEDIA_CHANGED The device has a different medium in it or the medium is no
131	longer supported. Any existing file handles for this volume are
132	no longer valid. To access the files on the new medium, the
133	volume must be reopened with OpenVolume().
134
135	**/
136	EFI_STATUS
137	EFIAPI
138	FvSimpleFileSystemOpenVolume (
139	IN EFI_SIMPLE_FILE_SYSTEM_PROTOCOL *This,
140	OUT EFI_FILE_PROTOCOL **RootFile
141	);
142
143	/**
144	Test to see if this driver supports ControllerHandle.
145
146	@param DriverBinding Protocol instance pointer.
147	@param ControllerHandle Handle of device to test
148	@param RemainingDevicePath Optional parameter use to pick a specific child
149	device to start.
150
151	@retval EFI_SUCCESS This driver supports this device
152	@retval EFI_ALREADY_STARTED This driver is already running on this device
153	@retval other This driver does not support this device
154
155	**/
156	EFI_STATUS
157	EFIAPI
158	FvSimpleFileSystemDriverSupported (
159	IN EFI_DRIVER_BINDING_PROTOCOL *DriverBinding,
160	IN EFI_HANDLE ControllerHandle,
161	IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
162	);
163
164	/**
165	Start this driver on ControllerHandle by opening a FV protocol and
166	installing a SimpleFileSystem protocol on ControllerHandle.
167
168	@param DriverBinding Protocol instance pointer.
169	@param ControllerHandle Handle of device to bind driver to
170	@param RemainingDevicePath Optional parameter use to pick a specific child
171	device to start.
172
173	@retval EFI_SUCCESS This driver is added to ControllerHandle
174	@retval EFI_ALREADY_STARTED This driver is already running on ControllerHandle
175	@retval other This driver does not support this device
176
177	**/
178	EFI_STATUS
179	EFIAPI
180	FvSimpleFileSystemDriverStart (
181	IN EFI_DRIVER_BINDING_PROTOCOL *DriverBinding,
182	IN EFI_HANDLE ControllerHandle,
183	IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath OPTIONAL
184	);
185
186	/**
187	Stop this driver on ControllerHandle by removing SimpleFileSystem protocol and closing
188	the FV protocol on ControllerHandle.
189
190	@param DriverBinding Protocol instance pointer.
191	@param ControllerHandle Handle of device to stop driver on
192	@param NumberOfChildren Number of Handles in ChildHandleBuffer. If number of
193	children is zero stop the entire bus driver.
194	@param ChildHandleBuffer List of Child Handles to Stop.
195
196	@retval EFI_SUCCESS This driver is removed ControllerHandle
197	@retval other This driver was not removed from this device
198
199	**/
200	EFI_STATUS
201	EFIAPI
202	FvSimpleFileSystemDriverStop (
203	IN EFI_DRIVER_BINDING_PROTOCOL *DriverBinding,
204	IN EFI_HANDLE ControllerHandle,
205	IN UINTN NumberOfChildren,
206	IN EFI_HANDLE *ChildHandleBuffer OPTIONAL
207	);
208
209	/**
210	Opens a new file relative to the source file's location.
211
212	@param This A pointer to the EFI_FILE_PROTOCOL instance that is the file
213	handle to the source location. This would typically be an open
214	handle to a directory.
215	@param NewHandle A pointer to the location to return the opened handle for the new
216	file.
217	@param FileName The Null-terminated string of the name of the file to be opened.
218	The file name may contain the following path modifiers: "\", ".",
219	and "..".
220	@param OpenMode The mode to open the file. The only valid combinations that the
221	file may be opened with are: Read, Read/Write, or Create/Read/Write.
222	@param Attributes Only valid for EFI_FILE_MODE_CREATE, in which case these are the
223	attribute bits for the newly created file.
224
225	@retval EFI_SUCCESS The file was opened.
226	@retval EFI_NOT_FOUND The specified file could not be found on the device.
227	@retval EFI_NO_MEDIA The device has no medium.
228	@retval EFI_MEDIA_CHANGED The device has a different medium in it or the medium is no
229	longer supported.
230	@retval EFI_DEVICE_ERROR The device reported an error.
231	@retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.
232	@retval EFI_WRITE_PROTECTED An attempt was made to create a file, or open a file for write
233	when the media is write-protected.
234	@retval EFI_ACCESS_DENIED The service denied access to the file.
235	@retval EFI_OUT_OF_RESOURCES Not enough resources were available to open the file.
236	@retval EFI_VOLUME_FULL The volume is full.
237
238	**/
239	EFI_STATUS
240	EFIAPI
241	FvSimpleFileSystemOpen (
242	IN EFI_FILE_PROTOCOL *This,
243	OUT EFI_FILE_PROTOCOL **NewHandle,
244	IN CHAR16 *FileName,
245	IN UINT64 OpenMode,
246	IN UINT64 Attributes
247	);
248
249	/**
250	Closes a specified file handle.
251
252	@param This A pointer to the EFI_FILE_PROTOCOL instance that is the file
253	handle to close.
254
255	@retval EFI_SUCCESS The file was closed.
256
257	**/
258	EFI_STATUS
259	EFIAPI
260	FvSimpleFileSystemClose (
261	IN EFI_FILE_PROTOCOL *This
262	);
263
264	/**
265	Reads data from a file.
266
267	@param This A pointer to the EFI_FILE_PROTOCOL instance that is the file
268	handle to read data from.
269	@param BufferSize On input, the size of the Buffer. On output, the amount of data
270	returned in Buffer. In both cases, the size is measured in bytes.
271	@param Buffer The buffer into which the data is read.
272
273	@retval EFI_SUCCESS Data was read.
274	@retval EFI_NO_MEDIA The device has no medium.
275	@retval EFI_DEVICE_ERROR The device reported an error.
276	@retval EFI_DEVICE_ERROR An attempt was made to read from a deleted file.
277	@retval EFI_DEVICE_ERROR On entry, the current file position is beyond the end of the file.
278	@retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.
279	@retval EFI_BUFFER_TOO_SMALL The BufferSize is too small to read the current directory
280	entry. BufferSize has been updated with the size
281	needed to complete the request.
282
283	**/
284	EFI_STATUS
285	EFIAPI
286	FvSimpleFileSystemRead (
287	IN EFI_FILE_PROTOCOL *This,
288	IN OUT UINTN *BufferSize,
289	OUT VOID *Buffer
290	);
291
292	/**
293	Writes data to a file.
294
295	@param This A pointer to the EFI_FILE_PROTOCOL instance that is the file
296	handle to write data to.
297	@param BufferSize On input, the size of the Buffer. On output, the amount of data
298	actually written. In both cases, the size is measured in bytes.
299	@param Buffer The buffer of data to write.
300
301	@retval EFI_SUCCESS Data was written.
302	@retval EFI_UNSUPPORTED Writes to open directory files are not supported.
303	@retval EFI_NO_MEDIA The device has no medium.
304	@retval EFI_DEVICE_ERROR The device reported an error.
305	@retval EFI_DEVICE_ERROR An attempt was made to write to a deleted file.
306	@retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.
307	@retval EFI_WRITE_PROTECTED The file or medium is write-protected.
308	@retval EFI_ACCESS_DENIED The file was opened read only.
309	@retval EFI_VOLUME_FULL The volume is full.
310
311	**/
312	EFI_STATUS
313	EFIAPI
314	FvSimpleFileSystemWrite (
315	IN EFI_FILE_PROTOCOL *This,
316	IN OUT UINTN *BufferSize,
317	IN VOID *Buffer
318	);
319
320	/**
321	Returns a file's current position.
322
323	@param This A pointer to the EFI_FILE_PROTOCOL instance that is the file
324	handle to get the current position on.
325	@param Position The address to return the file's current position value.
326
327	@retval EFI_SUCCESS The position was returned.
328	@retval EFI_UNSUPPORTED The request is not valid on open directories.
329	@retval EFI_DEVICE_ERROR An attempt was made to get the position from a deleted file.
330
331	**/
332	EFI_STATUS
333	EFIAPI
334	FvSimpleFileSystemGetPosition (
335	IN EFI_FILE_PROTOCOL *This,
336	OUT UINT64 *Position
337	);
338
339	/**
340	Sets a file's current position.
341
342	@param This A pointer to the EFI_FILE_PROTOCOL instance that is the
343	file handle to set the requested position on.
344	@param Position The byte position from the start of the file to set.
345
346	@retval EFI_SUCCESS The position was set.
347	@retval EFI_UNSUPPORTED The seek request for nonzero is not valid on open
348	directories.
349	@retval EFI_DEVICE_ERROR An attempt was made to set the position of a deleted file.
350
351	**/
352	EFI_STATUS
353	EFIAPI
354	FvSimpleFileSystemSetPosition (
355	IN EFI_FILE_PROTOCOL *This,
356	IN UINT64 Position
357	);
358
359	/**
360	Flushes all modified data associated with a file to a device.
361
362	@param This A pointer to the EFI_FILE_PROTOCOL instance that is the file
363	handle to flush.
364
365	@retval EFI_SUCCESS The data was flushed.
366	@retval EFI_NO_MEDIA The device has no medium.
367	@retval EFI_DEVICE_ERROR The device reported an error.
368	@retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.
369	@retval EFI_WRITE_PROTECTED The file or medium is write-protected.
370	@retval EFI_ACCESS_DENIED The file was opened read-only.
371	@retval EFI_VOLUME_FULL The volume is full.
372
373	**/
374	EFI_STATUS
375	EFIAPI
376	FvSimpleFileSystemFlush (
377	IN EFI_FILE_PROTOCOL *This
378	);
379
380	/**
381	Close and delete the file handle.
382
383	@param This A pointer to the EFI_FILE_PROTOCOL instance that is the
384	handle to the file to delete.
385
386	@retval EFI_SUCCESS The file was closed and deleted, and the handle was closed.
387	@retval EFI_WARN_DELETE_FAILURE The handle was closed, but the file was not deleted.
388
389	**/
390	EFI_STATUS
391	EFIAPI
392	FvSimpleFileSystemDelete (
393	IN EFI_FILE_PROTOCOL *This
394	);
395
396	/**
397	Returns information about a file.
398
399	@param This A pointer to the EFI_FILE_PROTOCOL instance that is the file
400	handle the requested information is for.
401	@param InformationType The type identifier for the information being requested.
402	@param BufferSize On input, the size of Buffer. On output, the amount of data
403	returned in Buffer. In both cases, the size is measured in bytes.
404	@param Buffer A pointer to the data buffer to return. The buffer's type is
405	indicated by InformationType.
406
407	@retval EFI_SUCCESS The information was returned.
408	@retval EFI_UNSUPPORTED The InformationType is not known.
409	@retval EFI_NO_MEDIA The device has no medium.
410	@retval EFI_DEVICE_ERROR The device reported an error.
411	@retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.
412	@retval EFI_BUFFER_TOO_SMALL The BufferSize is too small to read the current directory entry.
413	BufferSize has been updated with the size needed to complete
414	the request.
415	**/
416	EFI_STATUS
417	EFIAPI
418	FvSimpleFileSystemGetInfo (
419	IN EFI_FILE_PROTOCOL *This,
420	IN EFI_GUID *InformationType,
421	IN OUT UINTN *BufferSize,
422	OUT VOID *Buffer
423	);
424
425	/**
426	Sets information about a file.
427
428	@param This A pointer to the EFI_FILE_PROTOCOL instance that is the file
429	handle the information is for.
430	@param InformationType The type identifier for the information being set.
431	@param BufferSize The size, in bytes, of Buffer.
432	@param Buffer A pointer to the data buffer to write. The buffer's type is
433	indicated by InformationType.
434
435	@retval EFI_SUCCESS The information was set.
436	@retval EFI_UNSUPPORTED The InformationType is not known.
437	@retval EFI_NO_MEDIA The device has no medium.
438	@retval EFI_DEVICE_ERROR The device reported an error.
439	@retval EFI_VOLUME_CORRUPTED The file system structures are corrupted.
440	@retval EFI_WRITE_PROTECTED InformationType is EFI_FILE_INFO_ID and the media is
441	read-only.
442	@retval EFI_WRITE_PROTECTED InformationType is EFI_FILE_PROTOCOL_SYSTEM_INFO_ID
443	and the media is read only.
444	@retval EFI_WRITE_PROTECTED InformationType is EFI_FILE_SYSTEM_VOLUME_LABEL_ID
445	and the media is read-only.
446	@retval EFI_ACCESS_DENIED An attempt is made to change the name of a file to a
447	file that is already present.
448	@retval EFI_ACCESS_DENIED An attempt is being made to change the EFI_FILE_DIRECTORY
449	Attribute.
450	@retval EFI_ACCESS_DENIED An attempt is being made to change the size of a directory.
451	@retval EFI_ACCESS_DENIED InformationType is EFI_FILE_INFO_ID and the file was opened
452	read-only and an attempt is being made to modify a field
453	other than Attribute.
454	@retval EFI_VOLUME_FULL The volume is full.
455	@retval EFI_BAD_BUFFER_SIZE BufferSize is smaller than the size of the type indicated
456	by InformationType.
457
458	**/
459	EFI_STATUS
460	EFIAPI
461	FvSimpleFileSystemSetInfo (
462	IN EFI_FILE_PROTOCOL *This,
463	IN EFI_GUID *InformationType,
464	IN UINTN BufferSize,
465	IN VOID *Buffer
466	);
467
468	/**
469	Get the size of the buffer that will be returned by FvFsReadFile.
470
471	@param FvProtocol A pointer to the EFI_FIRMWARE_VOLUME2_PROTOCOL instance.
472	@param FvFileInfo A pointer to the FV_FILESYSTEM_FILE_INFO instance that is a struct
473	representing a file's info.
474
475	@retval EFI_SUCCESS The file size was gotten correctly.
476	@retval Others The file size wasn't gotten correctly.
477
478	**/
479	EFI_STATUS
480	FvFsGetFileSize (
481	IN EFI_FIRMWARE_VOLUME2_PROTOCOL *FvProtocol,
482	IN OUT FV_FILESYSTEM_FILE_INFO *FvFileInfo
483	);
484
485	/**
486	Retrieves a Unicode string that is the user readable name of the driver.
487
488	This function retrieves the user readable name of a driver in the form of a
489	Unicode string. If the driver specified by This has a user readable name in
490	the language specified by Language, then a pointer to the driver name is
491	returned in DriverName, and EFI_SUCCESS is returned. If the driver specified
492	by This does not support the language specified by Language,
493	then EFI_UNSUPPORTED is returned.
494
495	@param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
496	EFI_COMPONENT_NAME_PROTOCOL instance.
497
498	@param Language[in] A pointer to a Null-terminated ASCII string
499	array indicating the language. This is the
500	language of the driver name that the caller is
501	requesting, and it must match one of the
502	languages specified in SupportedLanguages. The
503	number of languages supported by a driver is up
504	to the driver writer. Language is specified
505	in RFC 4646 or ISO 639-2 language code format.
506
507	@param DriverName[out] A pointer to the Unicode string to return.
508	This Unicode string is the name of the
509	driver specified by This in the language
510	specified by Language.
511
512	@retval EFI_SUCCESS The Unicode string for the Driver specified by
513	This and the language specified by Language was
514	returned in DriverName.
515
516	@retval EFI_INVALID_PARAMETER Language is NULL.
517
518	@retval EFI_INVALID_PARAMETER DriverName is NULL.
519
520	@retval EFI_UNSUPPORTED The driver specified by This does not support
521	the language specified by Language.
522
523	**/
524	EFI_STATUS
525	EFIAPI
526	FvSimpleFileSystemComponentNameGetDriverName (
527	IN EFI_COMPONENT_NAME_PROTOCOL *This,
528	IN CHAR8 *Language,
529	OUT CHAR16 **DriverName
530	);
531
532	/**
533	Retrieves a Unicode string that is the user readable name of the controller
534	that is being managed by a driver.
535
536	This function retrieves the user readable name of the controller specified by
537	ControllerHandle and ChildHandle in the form of a Unicode string. If the
538	driver specified by This has a user readable name in the language specified by
539	Language, then a pointer to the controller name is returned in ControllerName,
540	and EFI_SUCCESS is returned. If the driver specified by This is not currently
541	managing the controller specified by ControllerHandle and ChildHandle,
542	then EFI_UNSUPPORTED is returned. If the driver specified by This does not
543	support the language specified by Language, then EFI_UNSUPPORTED is returned.
544
545	@param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
546	EFI_COMPONENT_NAME_PROTOCOL instance.
547
548	@param ControllerHandle[in] The handle of a controller that the driver
549	specified by This is managing. This handle
550	specifies the controller whose name is to be
551	returned.
552
553	@param ChildHandle[in] The handle of the child controller to retrieve
554	the name of. This is an optional parameter that
555	may be NULL. It will be NULL for device
556	drivers. It will also be NULL for a bus drivers
557	that wish to retrieve the name of the bus
558	controller. It will not be NULL for a bus
559	driver that wishes to retrieve the name of a
560	child controller.
561
562	@param Language[in] A pointer to a Null-terminated ASCII string
563	array indicating the language. This is the
564	language of the driver name that the caller is
565	requesting, and it must match one of the
566	languages specified in SupportedLanguages. The
567	number of languages supported by a driver is up
568	to the driver writer. Language is specified in
569	RFC 4646 or ISO 639-2 language code format.
570
571	@param ControllerName[out] A pointer to the Unicode string to return.
572	This Unicode string is the name of the
573	controller specified by ControllerHandle and
574	ChildHandle in the language specified by
575	Language from the point of view of the driver
576	specified by This.
577
578	@retval EFI_SUCCESS The Unicode string for the user readable name in
579	the language specified by Language for the
580	driver specified by This was returned in
581	DriverName.
582
583	@retval EFI_INVALID_PARAMETER ControllerHandle is NULL.
584
585	@retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
586	EFI_HANDLE.
587
588	@retval EFI_INVALID_PARAMETER Language is NULL.
589
590	@retval EFI_INVALID_PARAMETER ControllerName is NULL.
591
592	@retval EFI_UNSUPPORTED The driver specified by This is not currently
593	managing the controller specified by
594	ControllerHandle and ChildHandle.
595
596	@retval EFI_UNSUPPORTED The driver specified by This does not support
597	the language specified by Language.
598
599	**/
600	EFI_STATUS
601	EFIAPI
602	FvSimpleFileSystemComponentNameGetControllerName (
603	IN EFI_COMPONENT_NAME_PROTOCOL *This,
604	IN EFI_HANDLE ControllerHandle,
605	IN EFI_HANDLE ChildHandle OPTIONAL,
606	IN CHAR8 *Language,
607	OUT CHAR16 **ControllerName
608	);
609
610	extern EFI_UNICODE_COLLATION_PROTOCOL *mUnicodeCollation;
611	extern EFI_FILE_PROTOCOL mFileSystemTemplate;
612	extern EFI_COMPONENT_NAME_PROTOCOL gFvSimpleFileSystemComponentName;
613	extern EFI_COMPONENT_NAME2_PROTOCOL gFvSimpleFileSystemComponentName2;
614
615	#endif

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source: vbox/trunk/src/VBox/Devices/EFI/Firmware/MdeModulePkg/Universal/FvSimpleFileSystemDxe/FvSimpleFileSystemInternal.h@ 106129

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