ext2fs.h

可以在不启动LINUX的情况下直接访问EXT2和EXT3格式的磁盘

// linux.c: linux lib implemenation
//

int
ext2_init_linux();

void
ext2_destroy_linux();


//
// Lock.c
//

NTSTATUS
Ext2LockControl (IN PEXT2_IRP_CONTEXT IrpContext);


//
// Memory.c
//

PEXT2_IRP_CONTEXT
Ext2AllocateIrpContext (IN PDEVICE_OBJECT   DeviceObject,
            IN PIRP             Irp );

VOID
Ext2FreeIrpContext (IN PEXT2_IRP_CONTEXT IrpContext);


PEXT2_FCB
Ext2AllocateFcb (
    IN PEXT2_VCB   Vcb,
    IN PEXT2_MCB   Mcb
    );

VOID
Ext2FreeFcb (IN PEXT2_FCB Fcb);

VOID
Ext2InsertFcb(PEXT2_VCB Vcb, PEXT2_FCB Fcb);

VOID
Ext2RemoveFcb(PEXT2_VCB Vcb, PEXT2_FCB Fcb);

PEXT2_CCB
Ext2AllocateCcb (PEXT2_MCB  SymLink);

VOID
Ext2FreeMcb (
    IN PEXT2_VCB        Vcb,
    IN PEXT2_MCB        Mcb
    );

VOID
Ext2FreeCcb (IN PEXT2_CCB Ccb);

PEXT2_INODE
Ext2AllocateInode (PEXT2_VCB  Vcb);

VOID
Ext2DestroyInode (IN PEXT2_VCB Vcb, IN PEXT2_INODE inode);

PEXT2_EXTENT
Ext2AllocateExtent ();

VOID
Ext2FreeExtent (IN PEXT2_EXTENT Extent);

ULONG
Ext2CountExtents(IN PEXT2_EXTENT Chain);

VOID
Ext2JointExtents(
    IN PEXT2_EXTENT Chain,
    IN PEXT2_EXTENT Extent
    );

VOID
Ext2DestroyExtentChain(IN PEXT2_EXTENT Chain);

NTSTATUS
Ext2BuildExtents( 
    IN PEXT2_IRP_CONTEXT    IrpContext,
    IN PEXT2_VCB            Vcb,
    IN PEXT2_MCB            Mcb,
    IN ULONGLONG            Offset, 
    IN ULONG                Size, 
    IN BOOLEAN              bAlloc,
    OUT PEXT2_EXTENT *      Chain
    );

BOOLEAN
Ext2ListExtents(PLARGE_MCB  Extents);

VOID
Ext2CheckExtent(
    PLARGE_MCB  Zone,
    LONGLONG    Vbn,
    LONGLONG    Lbn,
    LONGLONG    Length,
    BOOLEAN     bAdded 
    );

VOID
Ext2ClearAllExtents(PLARGE_MCB  Zone);

BOOLEAN
Ext2AddVcbExtent (
    IN PEXT2_VCB Vcb,
    IN LONGLONG  Vbn,
    IN LONGLONG  Length
    );

BOOLEAN
Ext2RemoveVcbExtent (
    IN PEXT2_VCB Vcb,
    IN LONGLONG  Vbn,
    IN LONGLONG  Length
    );

BOOLEAN
Ext2LookupVcbExtent (
    IN PEXT2_VCB    Vcb,
    IN LONGLONG     Vbn,
    OUT PLONGLONG   Lbn,
    OUT PLONGLONG   Length
    );

BOOLEAN
Ext2AddMcbExtent (
    IN PEXT2_VCB Vcb,
    IN PEXT2_MCB Mcb,
    IN LONGLONG  Vbn,
    IN LONGLONG  Lbn,
    IN LONGLONG  Length
    );

BOOLEAN
Ext2RemoveMcbExtent (
    IN PEXT2_VCB Vcb,
    IN PEXT2_MCB Mcb,
    IN LONGLONG  Vbn,
    IN LONGLONG  Length
    );

BOOLEAN
Ext2LookupMcbExtent (
    IN PEXT2_VCB    Vcb,
    IN PEXT2_MCB    Mcb,
    IN LONGLONG     Vbn,
    OUT PLONGLONG   Lbn,
    OUT PLONGLONG   Length
    );

BOOLEAN
Ext2AddBlockExtent(
    IN PEXT2_VCB    Vcb,
    IN PEXT2_MCB    Mcb,
    IN ULONG        Start,
    IN ULONG        Block,
    IN ULONG        Number 
    );

BOOLEAN
Ext2LookupBlockExtent(
    IN PEXT2_VCB    Vcb,
    IN PEXT2_MCB    Mcb,
    IN ULONG        Start,
    IN PULONG       Block,
    IN PULONG       Mapped
    );

BOOLEAN
Ext2RemoveBlockExtent(
    IN PEXT2_VCB    Vcb,
    IN PEXT2_MCB    Mcb,
    IN ULONG        Start,
    IN ULONG        Number 
    );

NTSTATUS
Ext2InitializeZone( 
    IN PEXT2_IRP_CONTEXT    IrpContext,
    IN PEXT2_VCB            Vcb,
    IN PEXT2_MCB            Mcb
    );

BOOLEAN
Ext2BuildName(
    IN OUT PUNICODE_STRING  Target,
    IN PUNICODE_STRING      File,
    IN PUNICODE_STRING      Parent
    );


PEXT2_MCB
Ext2AllocateMcb (
    IN PEXT2_VCB        Vcb,
    IN PUNICODE_STRING  FileName,
    IN PUNICODE_STRING  Parent,
    IN ULONG            FileAttr
    );

PEXT2_MCB
Ext2SearchMcb(
    PEXT2_VCB           Vcb,
    PEXT2_MCB           Parent,
    PUNICODE_STRING     FileName
    );

PEXT2_MCB
Ext2SearchMcbWithoutLock(
    PEXT2_MCB           Parent,
    PUNICODE_STRING     FileName
    );

VOID
Ext2InsertMcb(
    PEXT2_VCB Vcb,
    PEXT2_MCB Parent,
    PEXT2_MCB Child
    );

BOOLEAN
Ext2RemoveMcb(
    PEXT2_VCB Vcb,
    PEXT2_MCB Mcb
    );

VOID
Ext2CleanupAllMcbs(
    PEXT2_VCB Vcb
    );

BOOLEAN
Ext2CheckSetBlock(
    PEXT2_IRP_CONTEXT IrpContext,
    PEXT2_VCB Vcb, ULONG Block
    );

BOOLEAN
Ext2CheckBitmapConsistency(
    PEXT2_IRP_CONTEXT IrpContext,
    PEXT2_VCB Vcb
    );

VOID
Ext2InsertVcb(PEXT2_VCB Vcb);

VOID
Ext2RemoveVcb(PEXT2_VCB Vcb);

NTSTATUS
Ext2InitializeLabel(
    IN PEXT2_VCB            Vcb,
    IN PEXT2_SUPER_BLOCK    Sb
    );

NTSTATUS
Ext2InitializeVcb(
            PEXT2_IRP_CONTEXT IrpContext, 
            PEXT2_VCB Vcb, 
            PEXT2_SUPER_BLOCK Ext2Sb,
            PDEVICE_OBJECT TargetDevice,
            PDEVICE_OBJECT VolumeDevice,
            PVPB Vpb                   );

VOID
Ext2DestroyVcb (IN PEXT2_VCB Vcb );

NTSTATUS
Ext2CompleteIrpContext (
    IN PEXT2_IRP_CONTEXT IrpContext,
    IN NTSTATUS Status );

VOID
Ext2SyncUninitializeCacheMap (
    IN PFILE_OBJECT FileObject    );

VOID
Ext2LinkTailMcb(PEXT2_VCB Vcb, PEXT2_MCB Mcb);


VOID
Ext2LinkHeadMcb(PEXT2_VCB Vcb, PEXT2_MCB Mcb);

VOID
Ext2UnlinkMcb(PEXT2_VCB Vcb, PEXT2_MCB Mcb);

PEXT2_MCB
Ext2FirstUnusedMcb(
    PEXT2_VCB   Vcb,
    BOOLEAN     Wait,
    ULONG       Number
    );

VOID
Ext2ReaperThread(
    PVOID   Context
    );

NTSTATUS
Ext2StartReaperThread();

//
// Misc.c
//

ULONG
Ext2Log2(ULONG Value);

LARGE_INTEGER
Ext2NtTime (IN ULONG i_time);

ULONG
Ext2LinuxTime (IN LARGE_INTEGER SysTime);

ULONG
Ext2OEMToUnicodeSize(
        IN PEXT2_VCB        Vcb,
        IN PANSI_STRING     Oem
        );

NTSTATUS
Ext2OEMToUnicode(
        IN PEXT2_VCB           Vcb,
        IN OUT PUNICODE_STRING Oem,
        IN POEM_STRING         Unicode
        );

ULONG
Ext2UnicodeToOEMSize(
        IN PEXT2_VCB        Vcb,
        IN PUNICODE_STRING  Unicode
        );

NTSTATUS
Ext2UnicodeToOEM (
        IN PEXT2_VCB        Vcb,
        IN OUT POEM_STRING  Oem,
        IN PUNICODE_STRING  Unicode
        );

VOID
Ext2Sleep(ULONG ms);

//
// nls/nls_rtl.c
//

int
Ext2LoadAllNls();

VOID
Ext2UnloadAllNls();

//
// Pnp.c
//

NTSTATUS
Ext2Pnp(IN PEXT2_IRP_CONTEXT IrpContext);

NTSTATUS
Ext2PnpQueryRemove(
    PEXT2_IRP_CONTEXT IrpContext,
    PEXT2_VCB         Vcb      );

NTSTATUS
Ext2PnpRemove(
    PEXT2_IRP_CONTEXT IrpContext,
    PEXT2_VCB         Vcb      );

NTSTATUS
Ext2PnpCancelRemove(
    PEXT2_IRP_CONTEXT IrpContext,
    PEXT2_VCB Vcb              );

NTSTATUS
Ext2PnpSurpriseRemove(
    PEXT2_IRP_CONTEXT IrpContext,
    PEXT2_VCB Vcb              );


//
// Read.c
//

NTSTATUS
Ext2ReadInode (
    IN PEXT2_IRP_CONTEXT    IrpContext,
    IN PEXT2_VCB            Vcb,
    IN PEXT2_MCB            Mcb,
    IN ULONGLONG            Offset,
    IN PVOID                Buffer,
    IN ULONG                Size,
    IN BOOLEAN              bDirectIo,
    OUT PULONG              dwReturn
    );

NTSTATUS
Ext2Read (IN PEXT2_IRP_CONTEXT IrpContext);


//
// ext3\recover.c
//

PEXT2_MCB
Ext2LoadInternalJournal(
    PEXT2_VCB         Vcb,
    ULONG             jNo
    );

INT
Ext2CheckJournal(
    PEXT2_VCB          Vcb,
    PULONG             jNo
    );

INT
Ext2RecoverJournal(
    PEXT2_IRP_CONTEXT  IrpContext,
    PEXT2_VCB          Vcb
    );

//
// Shutdown.c
//


NTSTATUS
Ext2ShutDown (IN PEXT2_IRP_CONTEXT IrpContext);


//
// Volinfo.c
//

NTSTATUS
Ext2QueryVolumeInformation (IN PEXT2_IRP_CONTEXT IrpContext);

NTSTATUS
Ext2SetVolumeInformation (IN PEXT2_IRP_CONTEXT IrpContext);

//
// Write.c
//

typedef struct _EXT2_RW_CONTEXT {
        ULONG               Flags;
        PIRP                MasterIrp;
        KEVENT              Event;
        BOOLEAN             Wait;
        ULONG               Blocks;
        ULONG               Length;
        PERESOURCE          Resource;
        ERESOURCE_THREAD    ThreadId;
        PFILE_OBJECT        FileObject;

} EXT2_RW_CONTEXT, *PEXT2_RW_CONTEXT;

#define EXT2_RW_CONTEXT_WRITE   1

NTSTATUS
Ext2WriteInode (
    IN PEXT2_IRP_CONTEXT    IrpContext,
    IN PEXT2_VCB            Vcb,
    IN PEXT2_MCB            Mcb,
    IN ULONGLONG            Offset,
    IN PVOID                Buffer,
    IN ULONG                Size,
    IN BOOLEAN              bDirectIo,
    OUT PULONG              dwReturn
    );

VOID
Ext2StartFloppyFlushDpc (
    PEXT2_VCB   Vcb,
    PEXT2_FCB   Fcb,
    PFILE_OBJECT FileObject );

BOOLEAN
Ext2ZeroHoles (
    IN PEXT2_IRP_CONTEXT IrpContext,
    IN PEXT2_VCB Vcb,
    IN PFILE_OBJECT FileObject,
    IN LONGLONG Offset,
    IN LONGLONG Count );

NTSTATUS
Ext2Write (IN PEXT2_IRP_CONTEXT IrpContext);

#endif /* _EXT2_HEADER_ */