12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788899091929394959697989910010110210310410510610710810911011111211311411511611711811912012112212312412512612712812913013113213313413513613713813914014114214314414514614714814915015115215315415515615715815916016116216316416516616716816917017117217317417517617717817918018118218318418518618718818919019119219319419519619719819920020120220320420520620720820921021121221321421521621721821922022122222322422522622722822923023123223323423523623723823924024124224324424524624724824925025125225325425525625725825926026126226326426526626726826927027127227327427527627727827928028128228328428528628728828929029129229329429529629729829930030130230330430530630730830931031131231331431531631731831932032132232332432532632732832933033133233333433533633733833934034134234334434534634734834935035135235335435535635735835936036136236336436536636736836937037137237337437537637737837938038138238338438538638738838939039139239339439539639739839940040140240340440540640740840941041141241341441541641741841942042142242342442542642742842943043143243343443543643743843944044144244344444544644744844945045145245345445545645745845946046146246346446546646746846947047147247347447547647747847948048148248348448548648748848949049149249349449549649749849950050150250350450550650750850951051151251351451551651751851952052152252352452552652752852953053153253353453553653753853954054154254354454554654754854955055155255355455555655755855956056156256356456556656756856957057157257357457557657757857958058158258358458558658758858959059159259359459559659759859960060160260360460560660760860961061161261361461561661761861962062162262362462562662762862963063163263363463563663763863964064164264364464564664764864965065165265365465565665765865966066166266366466566666766866967067167267367467567667767867968068168268368468568668768868969069169269369469569669769869970070170270370470570670770870971071171271371471571671771871972072172272372472572672772872973073173273373473573673773873974074174274374474574674774874975075175275375475575675775875976076176276376476576676776876977077177277377477577677777877978078178278378478578678778878979079179279379479579679779879980080180280380480580680780880981081181281381481581681781881982082182282382482582682782882983083183283383483583683783883984084184284384484584684784884985085185285385485585685785885986086186286386486586686786886987087187287387487587687787887988088188288388488588688788888989089189289389489589689789889990090190290390490590690790890991091191291391491591691791891992092192292392492592692792892993093193293393493593693793893994094194294394494594694794894995095195295395495595695795895996096196296396496596696796896997097197297397497597697797897998098198298398498598698798898999099199299399499599699799899910001001100210031004100510061007100810091010101110121013101410151016101710181019102010211022102310241025102610271028102910301031103210331034103510361037103810391040104110421043104410451046104710481049105010511052105310541055105610571058105910601061106210631064106510661067106810691070107110721073107410751076107710781079108010811082108310841085108610871088108910901091109210931094109510961097109810991100110111021103110411051106110711081109111011111112111311141115111611171118 |
- /*++
- Copyright (c) 2005 - 2010, Intel Corporation. All rights reserved.<BR>
- This program and the accompanying materials are licensed and made available
- under the terms and conditions of the BSD License which accompanies this
- distribution. The full text of the license may be found at
- http://opensource.org/licenses/bsd-license.php
- THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
- WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
- Module Name:
- Fat.h
- Abstract:
- Main header file for EFI FAT file system driver
- Revision History
- --*/
- #ifndef _FAT_H_
- #define _FAT_H_
- #include <Uefi.h>
- #include <Guid/FileInfo.h>
- #include <Guid/FileSystemInfo.h>
- #include <Guid/FileSystemVolumeLabelInfo.h>
- #include <Protocol/BlockIo.h>
- #include <Protocol/DiskIo.h>
- #include <Protocol/SimpleFileSystem.h>
- #include <Protocol/UnicodeCollation.h>
- #include <Library/PcdLib.h>
- #include <Library/DebugLib.h>
- #include <Library/UefiLib.h>
- #include <Library/BaseLib.h>
- #include <Library/BaseMemoryLib.h>
- #include <Library/MemoryAllocationLib.h>
- #include <Library/UefiDriverEntryPoint.h>
- #include <Library/UefiBootServicesTableLib.h>
- #include <Library/UefiRuntimeServicesTableLib.h>
- #include "FatFileSystem.h"
- //
- // The FAT signature
- //
- #define FAT_VOLUME_SIGNATURE SIGNATURE_32 ('f', 'a', 't', 'v')
- #define FAT_IFILE_SIGNATURE SIGNATURE_32 ('f', 'a', 't', 'i')
- #define FAT_ODIR_SIGNATURE SIGNATURE_32 ('f', 'a', 't', 'd')
- #define FAT_DIRENT_SIGNATURE SIGNATURE_32 ('f', 'a', 't', 'e')
- #define FAT_OFILE_SIGNATURE SIGNATURE_32 ('f', 'a', 't', 'o')
- #define ASSERT_VOLUME_LOCKED(a) ASSERT_LOCKED (&FatFsLock)
- #define IFILE_FROM_FHAND(a) CR (a, FAT_IFILE, Handle, FAT_IFILE_SIGNATURE)
- #define DIRENT_FROM_LINK(a) CR (a, FAT_DIRENT, Link, FAT_DIRENT_SIGNATURE)
- #define VOLUME_FROM_ROOT_DIRENT(a) CR (a, FAT_VOLUME, RootDirEnt, FAT_VOLUME_SIGNATURE)
- #define VOLUME_FROM_VOL_INTERFACE(a) CR (a, FAT_VOLUME, VolumeInterface, FAT_VOLUME_SIGNATURE);
- #define ODIR_FROM_DIRCACHELINK(a) CR (a, FAT_ODIR, DirCacheLink, FAT_ODIR_SIGNATURE)
- #define OFILE_FROM_CHECKLINK(a) CR (a, FAT_OFILE, CheckLink, FAT_OFILE_SIGNATURE)
- #define OFILE_FROM_CHILDLINK(a) CR (a, FAT_OFILE, ChildLink, FAT_OFILE_SIGNATURE)
- //
- // Minimum sector size is 512B, Maximum sector size is 4096B
- // Max sectors per cluster is 128
- //
- #define MAX_BLOCK_ALIGNMENT 12
- #define MIN_BLOCK_ALIGNMENT 9
- #define MAX_SECTORS_PER_CLUSTER_ALIGNMENT 7
- //
- // Efi Time Definition
- //
- #define IS_LEAP_YEAR(a) (((a) % 4 == 0) && (((a) % 100 != 0) || ((a) % 400 == 0)))
- //
- // Minimum fat page size is 8K, maximum fat page alignment is 32K
- // Minimum data page size is 8K, maximum fat page alignment is 64K
- //
- #define FAT_FATCACHE_PAGE_MIN_ALIGNMENT 13
- #define FAT_FATCACHE_PAGE_MAX_ALIGNMENT 15
- #define FAT_DATACACHE_PAGE_MIN_ALIGNMENT 13
- #define FAT_DATACACHE_PAGE_MAX_ALIGNMENT 16
- #define FAT_DATACACHE_GROUP_COUNT 64
- #define FAT_FATCACHE_GROUP_MIN_COUNT 1
- #define FAT_FATCACHE_GROUP_MAX_COUNT 16
- //
- // Used in 8.3 generation algorithm
- //
- #define MAX_SPEC_RETRY 4
- #define SPEC_BASE_TAG_LEN 6
- #define HASH_BASE_TAG_LEN 2
- #define HASH_VALUE_TAG_LEN (SPEC_BASE_TAG_LEN - HASH_BASE_TAG_LEN)
- //
- // Path name separator is back slash
- //
- #define PATH_NAME_SEPARATOR L'\\'
- #define EFI_PATH_STRING_LENGTH 260
- #define EFI_FILE_STRING_LENGTH 255
- #define FAT_MAX_ALLOCATE_SIZE 0xA00000
- #define LC_ISO_639_2_ENTRY_SIZE 3
- #define MAX_LANG_CODE_SIZE 100
- #define FAT_MAX_DIR_CACHE_COUNT 8
- #define FAT_MAX_DIRENTRY_COUNT 0xFFFF
- typedef CHAR8 LC_ISO_639_2;
- //
- // The fat types we support
- //
- typedef enum {
- FAT12,
- FAT16,
- FAT32,
- FatUndefined
- } FAT_VOLUME_TYPE;
- typedef enum {
- CACHE_FAT,
- CACHE_DATA,
- CACHE_MAX_TYPE
- } CACHE_DATA_TYPE;
- //
- // Used in FatDiskIo
- //
- typedef enum {
- READ_DISK = 0, // raw disk read
- WRITE_DISK = 1, // raw disk write
- READ_FAT = 2, // read fat cache
- WRITE_FAT = 3, // write fat cache
- READ_DATA = 6, // read data cache
- WRITE_DATA = 7 // write data cache
- } IO_MODE;
- #define CACHE_ENABLED(a) ((a) >= 2)
- #define RAW_ACCESS(a) ((IO_MODE)((a) & 0x1))
- #define CACHE_TYPE(a) ((CACHE_DATA_TYPE)((a) >> 2))
- //
- // Disk cache tag
- //
- typedef struct {
- UINTN PageNo;
- UINTN RealSize;
- BOOLEAN Dirty;
- } CACHE_TAG;
- typedef struct {
- UINT64 BaseAddress;
- UINT64 LimitAddress;
- UINT8 *CacheBase;
- BOOLEAN Dirty;
- UINT8 PageAlignment;
- UINTN GroupMask;
- CACHE_TAG CacheTag[FAT_DATACACHE_GROUP_COUNT];
- } DISK_CACHE;
- //
- // Hash table size
- //
- #define HASH_TABLE_SIZE 0x400
- #define HASH_TABLE_MASK (HASH_TABLE_SIZE - 1)
- //
- // The directory entry for opened directory
- //
- typedef struct _FAT_DIRENT {
- UINTN Signature;
- UINT16 EntryPos; // The position of this directory entry in the parent directory file
- UINT8 EntryCount; // The count of the directory entry in the parent directory file
- BOOLEAN Invalid; // Indicate whether this directory entry is valid
- CHAR16 *FileString; // The unicode long file name for this directory entry
- struct _FAT_OFILE *OFile; // The OFile of the corresponding directory entry
- struct _FAT_DIRENT *ShortNameForwardLink; // Hash successor link for short filename
- struct _FAT_DIRENT *LongNameForwardLink; // Hash successor link for long filename
- LIST_ENTRY Link; // Connection of every directory entry
- FAT_DIRECTORY_ENTRY Entry; // The physical directory entry stored in disk
- } FAT_DIRENT;
- typedef struct _FAT_ODIR {
- UINTN Signature;
- UINT32 CurrentEndPos; // Current end position of the directory
- UINT32 CurrentPos; // Current position of the directory
- LIST_ENTRY *CurrentCursor; // Current directory entry pointer
- LIST_ENTRY ChildList; // List of all directory entries
- BOOLEAN EndOfDir; // Indicate whether we have reached the end of the directory
- LIST_ENTRY DirCacheLink; // Linked in Volume->DirCacheList when discarded
- UINTN DirCacheTag; // The identification of the directory when in directory cache
- FAT_DIRENT *LongNameHashTable[HASH_TABLE_SIZE];
- FAT_DIRENT *ShortNameHashTable[HASH_TABLE_SIZE];
- } FAT_ODIR;
- typedef struct {
- UINTN Signature;
- EFI_FILE_PROTOCOL Handle;
- UINT64 Position;
- BOOLEAN ReadOnly;
- struct _FAT_OFILE *OFile;
- LIST_ENTRY Link;
- } FAT_IFILE;
- //
- // FAT_OFILE - Each opened file
- //
- typedef struct _FAT_OFILE {
- UINTN Signature;
- struct _FAT_VOLUME *Volume;
- //
- // A permanant error code to return to all accesses to
- // this opened file
- //
- EFI_STATUS Error;
- //
- // A list of the IFILE instances for this OFile
- //
- LIST_ENTRY Opens;
- //
- // The dynamic infomation
- //
- UINTN FileSize;
- UINTN FileCluster;
- UINTN FileCurrentCluster;
- UINTN FileLastCluster;
- //
- // Dirty is set if there have been any updates to the
- // file
- // Archive is set if the archive attribute in the file's
- // directory entry needs to be set when performing flush
- // PreserveLastMod is set if the last modification of the
- // file is specified by SetInfo API
- //
- BOOLEAN Dirty;
- BOOLEAN IsFixedRootDir;
- BOOLEAN PreserveLastModification;
- BOOLEAN Archive;
- //
- // Set by an OFile SetPosition
- //
- UINTN Position; // within file
- UINT64 PosDisk; // on the disk
- UINTN PosRem; // remaining in this disk run
- //
- // The opened parent, full path length and currently opened child files
- //
- struct _FAT_OFILE *Parent;
- UINTN FullPathLen;
- LIST_ENTRY ChildHead;
- LIST_ENTRY ChildLink;
- //
- // The opened directory structure for a directory; if this
- // OFile represents a file, then ODir = NULL
- //
- FAT_ODIR *ODir;
- //
- // The directory entry for the Ofile
- //
- FAT_DIRENT *DirEnt;
- //
- // Link in Volume's reference list
- //
- LIST_ENTRY CheckLink;
- } FAT_OFILE;
- typedef struct _FAT_VOLUME {
- UINTN Signature;
- EFI_HANDLE Handle;
- BOOLEAN Valid;
- BOOLEAN DiskError;
- EFI_SIMPLE_FILE_SYSTEM_PROTOCOL VolumeInterface;
- //
- // If opened, the parent handle and BlockIo interface
- //
- EFI_BLOCK_IO_PROTOCOL *BlockIo;
- EFI_DISK_IO_PROTOCOL *DiskIo;
- UINT32 MediaId;
- BOOLEAN ReadOnly;
- //
- // Computed values from fat bpb info
- //
- UINT64 VolumeSize;
- UINT64 FatPos; // Disk pos of fat tables
- UINT64 RootPos; // Disk pos of root directory
- UINT64 FirstClusterPos; // Disk pos of first cluster
- UINTN FatSize; // Number of bytes in each fat
- UINTN MaxCluster; // Max cluster number
- UINTN ClusterSize; // Cluster size of fat partition
- UINT8 ClusterAlignment; // Equal to log_2 (clustersize);
- FAT_VOLUME_TYPE FatType;
- //
- // Current part of fat table that's present
- //
- UINT64 FatEntryPos; // Location of buffer
- UINTN FatEntrySize; // Size of buffer
- UINT32 FatEntryBuffer; // The buffer
- FAT_INFO_SECTOR FatInfoSector; // Free cluster info
- UINTN FreeInfoPos; // Pos with the free cluster info
- BOOLEAN FreeInfoValid; // If free cluster info is valid
- //
- // Unpacked Fat BPB info
- //
- UINTN NumFats;
- UINTN RootEntries; // < FAT32, root dir is fixed size
- UINTN RootCluster; // >= FAT32, root cluster chain head
- //
- // info for marking the volume dirty or not
- //
- BOOLEAN FatDirty; // If fat-entries have been updated
- UINT32 DirtyValue;
- UINT32 NotDirtyValue;
- //
- // The root directory entry and opened root file
- //
- FAT_DIRENT RootDirEnt;
- //
- // File Name of root OFile, it is empty string
- //
- CHAR16 RootFileString[1];
- struct _FAT_OFILE *Root;
- //
- // New OFiles are added to this list so they
- // can be cleaned up if they aren't referenced.
- //
- LIST_ENTRY CheckRef;
- //
- // Directory cache List
- //
- LIST_ENTRY DirCacheList;
- UINTN DirCacheCount;
- //
- // Disk Cache for this volume
- //
- VOID *CacheBuffer;
- DISK_CACHE DiskCache[CACHE_MAX_TYPE];
- } FAT_VOLUME;
- //
- // Function Prototypes
- //
- EFI_STATUS
- EFIAPI
- FatOpen (
- IN EFI_FILE_PROTOCOL *FHand,
- OUT EFI_FILE_PROTOCOL **NewHandle,
- IN CHAR16 *FileName,
- IN UINT64 OpenMode,
- IN UINT64 Attributes
- )
- /*++
- Routine Description:
- Implements Open() of Simple File System Protocol.
- Arguments:
- FHand - File handle of the file serves as a starting reference point.
- NewHandle - Handle of the file that is newly opened.
- FileName - File name relative to FHand.
- OpenMode - Open mode.
- Attributes - Attributes to set if the file is created.
- Returns:
- EFI_INVALID_PARAMETER - The FileName is NULL or the file string is empty.
- The OpenMode is not supported.
- The Attributes is not the valid attributes.
- EFI_OUT_OF_RESOURCES - Can not allocate the memory for file string.
- EFI_SUCCESS - Open the file successfully.
- Others - The status of open file.
- --*/
- ;
- EFI_STATUS
- EFIAPI
- FatGetPosition (
- IN EFI_FILE_PROTOCOL *FHand,
- OUT UINT64 *Position
- )
- /*++
- Routine Description:
- Get the file's position of the file
- Arguments:
- FHand - The handle of file.
- Position - The file's position of the file.
- Returns:
- EFI_SUCCESS - Get the info successfully.
- EFI_DEVICE_ERROR - Can not find the OFile for the file.
- EFI_UNSUPPORTED - The open file is not a file.
- --*/
- ;
- EFI_STATUS
- EFIAPI
- FatGetInfo (
- IN EFI_FILE_PROTOCOL *FHand,
- IN EFI_GUID *Type,
- IN OUT UINTN *BufferSize,
- OUT VOID *Buffer
- )
- /*++
- Routine Description:
- Get the some types info of the file into Buffer
- Arguments:
- FHand - The handle of file.
- Type - The type of the info.
- BufferSize - Size of Buffer.
- Buffer - Buffer containing volume info.
- Returns:
- EFI_SUCCESS - Get the info successfully.
- EFI_DEVICE_ERROR - Can not find the OFile for the file.
- --*/
- ;
- EFI_STATUS
- EFIAPI
- FatSetInfo (
- IN EFI_FILE_PROTOCOL *FHand,
- IN EFI_GUID *Type,
- IN UINTN BufferSize,
- IN VOID *Buffer
- )
- /*++
- Routine Description:
- Set the some types info of the file into Buffer
- Arguments:
- FHand - The handle of file.
- Type - The type of the info.
- BufferSize - Size of Buffer.
- Buffer - Buffer containing volume info.
- Returns:
- EFI_SUCCESS - Set the info successfully.
- EFI_DEVICE_ERROR - Can not find the OFile for the file.
- --*/
- ;
- EFI_STATUS
- EFIAPI
- FatFlush (
- IN EFI_FILE_PROTOCOL *FHand
- )
- /*++
- Routine Description:
- Flushes all data associated with the file handle
- Arguments:
- FHand - Handle to file to flush
- Returns:
- EFI_SUCCESS - Flushed the file successfully
- EFI_WRITE_PROTECTED - The volume is read only
- EFI_ACCESS_DENIED - The volume is not read only
- but the file is read only
- Others - Flushing of the file is failed
- --*/
- ;
- EFI_STATUS
- EFIAPI
- FatClose (
- IN EFI_FILE_PROTOCOL *FHand
- )
- /*++
- Routine Description:
- Flushes & Closes the file handle.
- Arguments:
- FHand - Handle to the file to delete.
- Returns:
- EFI_SUCCESS - Closed the file successfully.
- --*/
- ;
- EFI_STATUS
- EFIAPI
- FatDelete (
- IN EFI_FILE_PROTOCOL *FHand
- )
- /*++
- Routine Description:
- Deletes the file & Closes the file handle.
- Arguments:
- FHand - Handle to the file to delete.
- Returns:
- EFI_SUCCESS - Delete the file successfully.
- EFI_WARN_DELETE_FAILURE - Fail to delete the file.
- --*/
- ;
- EFI_STATUS
- EFIAPI
- FatSetPosition (
- IN EFI_FILE_PROTOCOL *FHand,
- IN UINT64 Position
- )
- /*++
- Routine Description:
- Set the file's position of the file
- Arguments:
- FHand - The handle of file
- Position - The file's position of the file
- Returns:
- EFI_SUCCESS - Set the info successfully
- EFI_DEVICE_ERROR - Can not find the OFile for the file
- EFI_UNSUPPORTED - Set a directory with a not-zero position
- --*/
- ;
- EFI_STATUS
- EFIAPI
- FatRead (
- IN EFI_FILE_PROTOCOL *FHand,
- IN OUT UINTN *BufferSize,
- OUT VOID *Buffer
- )
- /*++
- Routine Description:
- Get the file info.
- Arguments:
- FHand - The handle of the file.
- BufferSize - Size of Buffer.
- Buffer - Buffer containing read data.
- Returns:
- EFI_SUCCESS - Get the file info successfully.
- EFI_DEVICE_ERROR - Can not find the OFile for the file.
- EFI_VOLUME_CORRUPTED - The file type of open file is error.
- other - An error occurred when operation the disk.
- --*/
- ;
- EFI_STATUS
- EFIAPI
- FatWrite (
- IN EFI_FILE_PROTOCOL *FHand,
- IN OUT UINTN *BufferSize,
- IN VOID *Buffer
- )
- /*++
- Routine Description:
- Set the file info.
- Arguments:
- FHand - The handle of the file.
- BufferSize - Size of Buffer.
- Buffer - Buffer containing write data.
- Returns:
- EFI_SUCCESS - Set the file info successfully.
- EFI_WRITE_PROTECTED - The disk is write protected.
- EFI_ACCESS_DENIED - The file is read-only.
- EFI_DEVICE_ERROR - The OFile is not valid.
- EFI_UNSUPPORTED - The open file is not a file.
- - The writing file size is larger than 4GB.
- other - An error occurred when operation the disk.
- --*/
- ;
- //
- // DiskCache.c
- //
- EFI_STATUS
- FatInitializeDiskCache (
- IN FAT_VOLUME *Volume
- );
- EFI_STATUS
- FatAccessCache (
- IN FAT_VOLUME *Volume,
- IN CACHE_DATA_TYPE CacheDataType,
- IN IO_MODE IoMode,
- IN UINT64 Offset,
- IN UINTN BufferSize,
- IN OUT UINT8 *Buffer
- );
- EFI_STATUS
- FatVolumeFlushCache (
- IN FAT_VOLUME *Volume
- );
- //
- // Flush.c
- //
- EFI_STATUS
- FatOFileFlush (
- IN FAT_OFILE *OFile
- );
- BOOLEAN
- FatCheckOFileRef (
- IN FAT_OFILE *OFile
- );
- VOID
- FatSetVolumeError (
- IN FAT_OFILE *OFile,
- IN EFI_STATUS Status
- );
- EFI_STATUS
- FatIFileClose (
- FAT_IFILE *IFile
- );
- EFI_STATUS
- FatCleanupVolume (
- IN FAT_VOLUME *Volume,
- IN FAT_OFILE *OFile,
- IN EFI_STATUS EfiStatus
- );
- //
- // FileSpace.c
- //
- EFI_STATUS
- FatShrinkEof (
- IN FAT_OFILE *OFile
- );
- EFI_STATUS
- FatGrowEof (
- IN FAT_OFILE *OFile,
- IN UINT64 NewSizeInBytes
- );
- UINTN
- FatPhysicalDirSize (
- IN FAT_VOLUME *Volume,
- IN UINTN Cluster
- );
- UINT64
- FatPhysicalFileSize (
- IN FAT_VOLUME *Volume,
- IN UINTN RealSize
- );
- EFI_STATUS
- FatOFilePosition (
- IN FAT_OFILE *OFile,
- IN UINTN Position,
- IN UINTN PosLimit
- );
- VOID
- FatComputeFreeInfo (
- IN FAT_VOLUME *Volume
- );
- //
- // Init.c
- //
- EFI_STATUS
- FatAllocateVolume (
- IN EFI_HANDLE Handle,
- IN EFI_DISK_IO_PROTOCOL *DiskIo,
- IN EFI_BLOCK_IO_PROTOCOL *BlockIo
- );
- EFI_STATUS
- FatOpenDevice (
- IN OUT FAT_VOLUME *Volume
- );
- EFI_STATUS
- FatAbandonVolume (
- IN FAT_VOLUME *Volume
- );
- //
- // Misc.c
- //
- EFI_STATUS
- FatAccessVolumeDirty (
- IN FAT_VOLUME *Volume,
- IN IO_MODE IoMode,
- IN VOID *DirtyValue
- );
- EFI_STATUS
- FatDiskIo (
- IN FAT_VOLUME *Volume,
- IN IO_MODE IoMode,
- IN UINT64 Offset,
- IN UINTN BufferSize,
- IN OUT VOID *Buffer
- );
- VOID
- FatAcquireLock (
- VOID
- );
- VOID
- FatReleaseLock (
- VOID
- );
- EFI_STATUS
- FatAcquireLockOrFail (
- VOID
- );
- VOID
- FatFreeDirEnt (
- IN FAT_DIRENT *DirEnt
- );
- VOID
- FatFreeVolume (
- IN FAT_VOLUME *Volume
- );
- VOID
- FatEfiTimeToFatTime (
- IN EFI_TIME *ETime,
- OUT FAT_DATE_TIME *FTime
- );
- VOID
- FatFatTimeToEfiTime (
- IN FAT_DATE_TIME *FTime,
- OUT EFI_TIME *ETime
- );
- VOID
- FatGetCurrentFatTime (
- OUT FAT_DATE_TIME *FatTime
- );
- BOOLEAN
- FatIsValidTime (
- IN EFI_TIME *Time
- );
- //
- // UnicodeCollation.c
- //
- EFI_STATUS
- InitializeUnicodeCollationSupport (
- IN EFI_HANDLE AgentHandle
- );
- VOID
- FatFatToStr (
- IN UINTN FatSize,
- IN CHAR8 *Fat,
- OUT CHAR16 *String
- );
- BOOLEAN
- FatStrToFat (
- IN CHAR16 *String,
- IN UINTN FatSize,
- OUT CHAR8 *Fat
- );
- VOID
- FatStrLwr (
- IN CHAR16 *Str
- );
- VOID
- FatStrUpr (
- IN CHAR16 *Str
- );
- INTN
- FatStriCmp (
- IN CHAR16 *Str1,
- IN CHAR16 *Str2
- );
- //
- // Open.c
- //
- EFI_STATUS
- FatOFileOpen (
- IN FAT_OFILE *OFile,
- OUT FAT_IFILE **NewIFile,
- IN CHAR16 *FileName,
- IN UINT64 OpenMode,
- IN UINT8 Attributes
- );
- EFI_STATUS
- FatAllocateIFile (
- IN FAT_OFILE *OFile,
- OUT FAT_IFILE **PtrIFile
- );
- //
- // OpenVolume.c
- //
- EFI_STATUS
- EFIAPI
- FatOpenVolume (
- IN EFI_SIMPLE_FILE_SYSTEM_PROTOCOL *This,
- OUT EFI_FILE_PROTOCOL **File
- );
- //
- // ReadWrite.c
- //
- EFI_STATUS
- FatAccessOFile (
- IN FAT_OFILE *OFile,
- IN IO_MODE IoMode,
- IN UINTN Position,
- IN UINTN *DataBufferSize,
- IN UINT8 *UserBuffer
- );
- EFI_STATUS
- FatExpandOFile (
- IN FAT_OFILE *OFile,
- IN UINT64 ExpandedSize
- );
- EFI_STATUS
- FatWriteZeroPool (
- IN FAT_OFILE *OFile,
- IN UINTN WritePos
- );
- EFI_STATUS
- FatTruncateOFile (
- IN FAT_OFILE *OFile,
- IN UINTN TruncatedSize
- );
- //
- // DirectoryManage.c
- //
- VOID
- FatResetODirCursor (
- IN FAT_OFILE *OFile
- );
- EFI_STATUS
- FatGetNextDirEnt (
- IN FAT_OFILE *OFILE,
- OUT FAT_DIRENT **PtrDirEnt
- );
- EFI_STATUS
- FatRemoveDirEnt (
- IN FAT_OFILE *OFile,
- IN FAT_DIRENT *DirEnt
- );
- EFI_STATUS
- FatStoreDirEnt (
- IN FAT_OFILE *OFile,
- IN FAT_DIRENT *DirEnt
- );
- EFI_STATUS
- FatCreateDirEnt (
- IN FAT_OFILE *OFile,
- IN CHAR16 *FileName,
- IN UINT8 Attributes,
- OUT FAT_DIRENT **PtrDirEnt
- );
- BOOLEAN
- FatIsDotDirEnt (
- IN FAT_DIRENT *DirEnt
- );
- VOID
- FatUpdateDirEntClusterSizeInfo (
- IN FAT_OFILE *OFile
- );
- VOID
- FatCloneDirEnt (
- IN FAT_DIRENT *DirEnt1,
- IN FAT_DIRENT *DirEnt2
- );
- EFI_STATUS
- FatGetDirEntInfo (
- IN FAT_VOLUME *Volume,
- IN FAT_DIRENT *DirEnt,
- IN OUT UINTN *BufferSize,
- OUT VOID *Buffer
- );
- EFI_STATUS
- FatOpenDirEnt (
- IN FAT_OFILE *OFile,
- IN FAT_DIRENT *DirEnt
- );
- EFI_STATUS
- FatCreateDotDirEnts (
- IN FAT_OFILE *OFile
- );
- VOID
- FatCloseDirEnt (
- IN FAT_DIRENT *DirEnt
- );
- EFI_STATUS
- FatLocateOFile (
- IN OUT FAT_OFILE **PtrOFile,
- IN CHAR16 *FileName,
- IN UINT8 Attributes,
- OUT CHAR16 *NewFileName
- );
- EFI_STATUS
- FatGetVolumeEntry (
- IN FAT_VOLUME *Volume,
- IN CHAR16 *Name
- );
- EFI_STATUS
- FatSetVolumeEntry (
- IN FAT_VOLUME *Volume,
- IN CHAR16 *Name
- );
- //
- // Hash.c
- //
- FAT_DIRENT **
- FatLongNameHashSearch (
- IN FAT_ODIR *ODir,
- IN CHAR16 *LongNameString
- );
- FAT_DIRENT **
- FatShortNameHashSearch (
- IN FAT_ODIR *ODir,
- IN CHAR8 *ShortNameString
- );
- VOID
- FatInsertToHashTable (
- IN FAT_ODIR *ODir,
- IN FAT_DIRENT *DirEnt
- );
- VOID
- FatDeleteFromHashTable (
- IN FAT_ODIR *ODir,
- IN FAT_DIRENT *DirEnt
- );
- //
- // FileName.c
- //
- BOOLEAN
- FatCheckIs8Dot3Name (
- IN CHAR16 *FileName,
- OUT CHAR8 *File8Dot3Name
- );
- VOID
- FatCreate8Dot3Name (
- IN FAT_OFILE *Parent,
- IN FAT_DIRENT *DirEnt
- );
- VOID
- FatNameToStr (
- IN CHAR8 *FatName,
- IN UINTN Len,
- IN UINTN LowerCase,
- IN CHAR16 *Str
- );
- VOID
- FatSetCaseFlag (
- IN FAT_DIRENT *DirEnt
- );
- VOID
- FatGetFileNameViaCaseFlag (
- IN FAT_DIRENT *DirEnt,
- OUT CHAR16 *FileString
- );
- UINT8
- FatCheckSum (
- IN CHAR8 *ShortNameString
- );
- CHAR16*
- FatGetNextNameComponent (
- IN CHAR16 *Path,
- OUT CHAR16 *Name
- );
- BOOLEAN
- FatFileNameIsValid (
- IN CHAR16 *InputFileName,
- OUT CHAR16 *OutputFileName
- );
- //
- // DirectoryCache.c
- //
- VOID
- FatDiscardODir (
- IN FAT_OFILE *OFile
- );
- VOID
- FatRequestODir (
- IN FAT_OFILE *OFile
- );
- VOID
- FatCleanupODirCache (
- IN FAT_VOLUME *Volume
- );
- //
- // Global Variables
- //
- extern EFI_DRIVER_BINDING_PROTOCOL gFatDriverBinding;
- extern EFI_COMPONENT_NAME_PROTOCOL gFatComponentName;
- extern EFI_COMPONENT_NAME2_PROTOCOL gFatComponentName2;
- extern EFI_LOCK FatFsLock;
- extern EFI_FILE_PROTOCOL FatFileInterface;
- #endif
|