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reactos/drivers/filesystems/ntfs/ntfs.h

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#ifndef NTFS_H
#define NTFS_H
#include <ntifs.h>
#include <pseh/pseh2.h>
#ifdef __GNUC__
#define INIT_SECTION __attribute__((section ("INIT")))
#else
#define INIT_SECTION /* Done via alloc_text for MSC */
#endif
#define CACHEPAGESIZE(pDeviceExt) \
((pDeviceExt)->NtfsInfo.UCHARsPerCluster > PAGE_SIZE ? \
(pDeviceExt)->NtfsInfo.UCHARsPerCluster : PAGE_SIZE)
#define TAG_NTFS 'SFTN'
#define ROUND_UP(N, S) ((((N) + (S) - 1) / (S)) * (S))
#define ROUND_DOWN(N, S) ((N) - ((N) % (S)))
#define DEVICE_NAME L"\\Ntfs"
#include <pshpack1.h>
typedef struct _BIOS_PARAMETERS_BLOCK
{
USHORT BytesPerSector; // 0x0B
UCHAR SectorsPerCluster; // 0x0D
UCHAR Unused0[7]; // 0x0E, checked when volume is mounted
UCHAR MediaId; // 0x15
UCHAR Unused1[2]; // 0x16
USHORT SectorsPerTrack; // 0x18
USHORT Heads; // 0x1A
UCHAR Unused2[4]; // 0x1C
UCHAR Unused3[4]; // 0x20, checked when volume is mounted
} BIOS_PARAMETERS_BLOCK, *PBIOS_PARAMETERS_BLOCK;
typedef struct _EXTENDED_BIOS_PARAMETERS_BLOCK
{
USHORT Unknown[2]; // 0x24, always 80 00 80 00
ULONGLONG SectorCount; // 0x28
ULONGLONG MftLocation; // 0x30
ULONGLONG MftMirrLocation; // 0x38
CHAR ClustersPerMftRecord; // 0x40
UCHAR Unused4[3]; // 0x41
CHAR ClustersPerIndexRecord; // 0x44
UCHAR Unused5[3]; // 0x45
ULONGLONG SerialNumber; // 0x48
UCHAR Checksum[4]; // 0x50
} EXTENDED_BIOS_PARAMETERS_BLOCK, *PEXTENDED_BIOS_PARAMETERS_BLOCK;
typedef struct _BOOT_SECTOR
{
UCHAR Jump[3]; // 0x00
UCHAR OEMID[8]; // 0x03
BIOS_PARAMETERS_BLOCK BPB;
EXTENDED_BIOS_PARAMETERS_BLOCK EBPB;
UCHAR BootStrap[426]; // 0x54
USHORT EndSector; // 0x1FE
} BOOT_SECTOR, *PBOOT_SECTOR;
#include <poppack.h>
//typedef struct _BootSector BootSector;
typedef struct _NTFS_INFO
{
ULONG BytesPerSector;
ULONG SectorsPerCluster;
ULONG BytesPerCluster;
ULONGLONG SectorCount;
ULONGLONG ClusterCount;
ULARGE_INTEGER MftStart;
ULARGE_INTEGER MftMirrStart;
ULONG BytesPerFileRecord;
ULONG BytesPerIndexRecord;
ULONGLONG SerialNumber;
USHORT VolumeLabelLength;
WCHAR VolumeLabel[MAXIMUM_VOLUME_LABEL_LENGTH];
UCHAR MajorVersion;
UCHAR MinorVersion;
USHORT Flags;
ULONG MftZoneReservation;
} NTFS_INFO, *PNTFS_INFO;
#define NTFS_TYPE_CCB '20SF'
#define NTFS_TYPE_FCB '30SF'
#define NTFS_TYPE_VCB '50SF'
#define NTFS_TYPE_IRP_CONTEXT '60SF'
#define NTFS_TYPE_GLOBAL_DATA '70SF'
typedef struct
{
ULONG Type;
ULONG Size;
} NTFSIDENTIFIER, *PNTFSIDENTIFIER;
typedef struct
{
NTFSIDENTIFIER Identifier;
ERESOURCE DirResource;
// ERESOURCE FatResource;
KSPIN_LOCK FcbListLock;
LIST_ENTRY FcbListHead;
PVPB Vpb;
PDEVICE_OBJECT StorageDevice;
PFILE_OBJECT StreamFileObject;
struct _NTFS_ATTR_CONTEXT* MFTContext;
struct _FILE_RECORD_HEADER* MasterFileTable;
struct _FCB *VolumeFcb;
NTFS_INFO NtfsInfo;
ULONG Flags;
ULONG OpenHandleCount;
} DEVICE_EXTENSION, *PDEVICE_EXTENSION, NTFS_VCB, *PNTFS_VCB;
#define VCB_VOLUME_LOCKED 0x0001
typedef struct
{
NTFSIDENTIFIER Identifier;
LIST_ENTRY NextCCB;
PFILE_OBJECT PtrFileObject;
LARGE_INTEGER CurrentByteOffset;
/* for DirectoryControl */
ULONG Entry;
/* for DirectoryControl */
PWCHAR DirectorySearchPattern;
ULONG LastCluster;
ULONG LastOffset;
} NTFS_CCB, *PNTFS_CCB;
#define TAG_CCB 'BCCI'
#define TAG_FCB 'BCFI'
typedef struct
{
NTFSIDENTIFIER Identifier;
ERESOURCE Resource;
PDRIVER_OBJECT DriverObject;
PDEVICE_OBJECT DeviceObject;
CACHE_MANAGER_CALLBACKS CacheMgrCallbacks;
ULONG Flags;
FAST_IO_DISPATCH FastIoDispatch;
NPAGED_LOOKASIDE_LIST IrpContextLookasideList;
NPAGED_LOOKASIDE_LIST FcbLookasideList;
} NTFS_GLOBAL_DATA, *PNTFS_GLOBAL_DATA;
typedef enum
{
AttributeStandardInformation = 0x10,
AttributeAttributeList = 0x20,
AttributeFileName = 0x30,
AttributeObjectId = 0x40,
AttributeSecurityDescriptor = 0x50,
AttributeVolumeName = 0x60,
AttributeVolumeInformation = 0x70,
AttributeData = 0x80,
AttributeIndexRoot = 0x90,
AttributeIndexAllocation = 0xA0,
AttributeBitmap = 0xB0,
AttributeReparsePoint = 0xC0,
AttributeEAInformation = 0xD0,
AttributeEA = 0xE0,
AttributePropertySet = 0xF0,
AttributeLoggedUtilityStream = 0x100,
AttributeEnd = 0xFFFFFFFF
} ATTRIBUTE_TYPE, *PATTRIBUTE_TYPE;
#define NTFS_FILE_MFT 0
#define NTFS_FILE_MFTMIRR 1
#define NTFS_FILE_LOGFILE 2
#define NTFS_FILE_VOLUME 3
#define NTFS_FILE_ATTRDEF 4
#define NTFS_FILE_ROOT 5
#define NTFS_FILE_BITMAP 6
#define NTFS_FILE_BOOT 7
#define NTFS_FILE_BADCLUS 8
#define NTFS_FILE_QUOTA 9
#define NTFS_FILE_UPCASE 10
#define NTFS_FILE_EXTEND 11
#define NTFS_MFT_MASK 0x0000FFFFFFFFFFFFULL
#define COLLATION_BINARY 0x00
#define COLLATION_FILE_NAME 0x01
#define COLLATION_UNICODE_STRING 0x02
#define COLLATION_NTOFS_ULONG 0x10
#define COLLATION_NTOFS_SID 0x11
#define COLLATION_NTOFS_SECURITY_HASH 0x12
#define COLLATION_NTOFS_ULONGS 0x13
#define INDEX_ROOT_SMALL 0x0
#define INDEX_ROOT_LARGE 0x1
#define NTFS_INDEX_ENTRY_NODE 1
#define NTFS_INDEX_ENTRY_END 2
#define NTFS_FILE_NAME_POSIX 0
#define NTFS_FILE_NAME_WIN32 1
#define NTFS_FILE_NAME_DOS 2
#define NTFS_FILE_NAME_WIN32_AND_DOS 3
#define NTFS_FILE_TYPE_READ_ONLY 0x1
#define NTFS_FILE_TYPE_HIDDEN 0x2
#define NTFS_FILE_TYPE_SYSTEM 0x4
#define NTFS_FILE_TYPE_ARCHIVE 0x20
#define NTFS_FILE_TYPE_REPARSE 0x400
#define NTFS_FILE_TYPE_COMPRESSED 0x800
#define NTFS_FILE_TYPE_DIRECTORY 0x10000000
typedef struct
{
ULONG Type; /* Magic number 'FILE' */
USHORT UsaOffset; /* Offset to the update sequence */
USHORT UsaCount; /* Size in words of Update Sequence Number & Array (S) */
ULONGLONG Lsn; /* $LogFile Sequence Number (LSN) */
} NTFS_RECORD_HEADER, *PNTFS_RECORD_HEADER;
/* NTFS_RECORD_HEADER.Type */
#define NRH_FILE_TYPE 0x454C4946 /* 'FILE' */
#define NRH_INDX_TYPE 0x58444E49 /* 'INDX' */
typedef struct _FILE_RECORD_HEADER
{
NTFS_RECORD_HEADER Ntfs;
USHORT SequenceNumber; /* Sequence number */
USHORT LinkCount; /* Hard link count */
USHORT AttributeOffset; /* Offset to the first Attribute */
USHORT Flags; /* Flags */
ULONG BytesInUse; /* Real size of the FILE record */
ULONG BytesAllocated; /* Allocated size of the FILE record */
ULONGLONG BaseFileRecord; /* File reference to the base FILE record */
USHORT NextAttributeNumber; /* Next Attribute Id */
USHORT Padding; /* Align to 4 UCHAR boundary (XP) */
ULONG MFTRecordNumber; /* Number of this MFT Record (XP) */
} FILE_RECORD_HEADER, *PFILE_RECORD_HEADER;
/* Flags in FILE_RECORD_HEADER */
#define FRH_IN_USE 0x0001 /* Record is in use */
#define FRH_DIRECTORY 0x0002 /* Record is a directory */
#define FRH_UNKNOWN1 0x0004 /* Don't know */
#define FRH_UNKNOWN2 0x0008 /* Don't know */
typedef struct
{
ULONG Type;
ULONG Length;
UCHAR IsNonResident;
UCHAR NameLength;
USHORT NameOffset;
USHORT Flags;
USHORT Instance;
union
{
// Resident attributes
struct
{
ULONG ValueLength;
USHORT ValueOffset;
UCHAR Flags;
UCHAR Reserved;
} Resident;
// Non-resident attributes
struct
{
ULONGLONG LowestVCN;
ULONGLONG HighestVCN;
USHORT MappingPairsOffset;
USHORT CompressionUnit;
UCHAR Reserved[4];
LONGLONG AllocatedSize;
LONGLONG DataSize;
LONGLONG InitializedSize;
LONGLONG CompressedSize;
} NonResident;
};
} NTFS_ATTR_RECORD, *PNTFS_ATTR_RECORD;
typedef struct
{
ULONGLONG CreationTime;
ULONGLONG ChangeTime;
ULONGLONG LastWriteTime;
ULONGLONG LastAccessTime;
ULONG FileAttribute;
ULONG AlignmentOrReserved[3];
#if 0
ULONG QuotaId;
ULONG SecurityId;
ULONGLONG QuotaCharge;
USN Usn;
#endif
} STANDARD_INFORMATION, *PSTANDARD_INFORMATION;
typedef struct
{
ATTRIBUTE_TYPE AttributeType;
USHORT Length;
UCHAR NameLength;
UCHAR NameOffset;
ULONGLONG StartVcn; // LowVcn
ULONGLONG FileReferenceNumber;
USHORT AttributeNumber;
USHORT AlignmentOrReserved[3];
} ATTRIBUTE_LIST, *PATTRIBUTE_LIST;
typedef struct
{
ULONGLONG DirectoryFileReferenceNumber;
ULONGLONG CreationTime;
ULONGLONG ChangeTime;
ULONGLONG LastWriteTime;
ULONGLONG LastAccessTime;
ULONGLONG AllocatedSize;
ULONGLONG DataSize;
ULONG FileAttributes;
union
{
struct
{
USHORT PackedEaSize;
USHORT AlignmentOrReserved;
} EaInfo;
ULONG ReparseTag;
} Extended;
UCHAR NameLength;
UCHAR NameType;
WCHAR Name[1];
} FILENAME_ATTRIBUTE, *PFILENAME_ATTRIBUTE;
typedef struct
{
ULONG FirstEntryOffset;
ULONG TotalSizeOfEntries;
ULONG AllocatedSize;
UCHAR Flags;
UCHAR Padding[3];
} INDEX_HEADER_ATTRIBUTE, *PINDEX_HEADER_ATTRIBUTE;
typedef struct
{
ULONG AttributeType;
ULONG CollationRule;
ULONG SizeOfEntry;
UCHAR ClustersPerIndexRecord;
UCHAR Padding[3];
INDEX_HEADER_ATTRIBUTE Header;
} INDEX_ROOT_ATTRIBUTE, *PINDEX_ROOT_ATTRIBUTE;
typedef struct
{
NTFS_RECORD_HEADER Ntfs;
ULONGLONG VCN;
INDEX_HEADER_ATTRIBUTE Header;
} INDEX_BUFFER, *PINDEX_BUFFER;
typedef struct
{
union
{
struct
{
ULONGLONG IndexedFile;
} Directory;
struct
{
USHORT DataOffset;
USHORT DataLength;
ULONG Reserved;
} ViewIndex;
} Data;
USHORT Length;
USHORT KeyLength;
USHORT Flags;
USHORT Reserved;
FILENAME_ATTRIBUTE FileName;
} INDEX_ENTRY_ATTRIBUTE, *PINDEX_ENTRY_ATTRIBUTE;
typedef struct
{
ULONGLONG Unknown1;
UCHAR MajorVersion;
UCHAR MinorVersion;
USHORT Flags;
ULONG Unknown2;
} VOLINFO_ATTRIBUTE, *PVOLINFO_ATTRIBUTE;
typedef struct {
ULONG ReparseTag;
USHORT DataLength;
USHORT Reserved;
UCHAR Data[1];
} REPARSE_POINT_ATTRIBUTE, *PREPARSE_POINT_ATTRIBUTE;
#define IRPCONTEXT_CANWAIT 0x1
#define IRPCONTEXT_COMPLETE 0x2
#define IRPCONTEXT_QUEUE 0x4
typedef struct
{
NTFSIDENTIFIER Identifier;
ULONG Flags;
PIO_STACK_LOCATION Stack;
UCHAR MajorFunction;
UCHAR MinorFunction;
WORK_QUEUE_ITEM WorkQueueItem;
PIRP Irp;
BOOLEAN IsTopLevel;
PDEVICE_OBJECT DeviceObject;
PFILE_OBJECT FileObject;
NTSTATUS SavedExceptionCode;
CCHAR PriorityBoost;
} NTFS_IRP_CONTEXT, *PNTFS_IRP_CONTEXT;
typedef struct _NTFS_ATTR_CONTEXT
{
PUCHAR CacheRun;
ULONGLONG CacheRunOffset;
LONGLONG CacheRunStartLCN;
ULONGLONG CacheRunLength;
LONGLONG CacheRunLastLCN;
ULONGLONG CacheRunCurrentOffset;
NTFS_ATTR_RECORD Record;
} NTFS_ATTR_CONTEXT, *PNTFS_ATTR_CONTEXT;
#define FCB_CACHE_INITIALIZED 0x0001
#define FCB_IS_VOLUME_STREAM 0x0002
#define FCB_IS_VOLUME 0x0004
#define MAX_PATH 260
typedef struct _FCB
{
NTFSIDENTIFIER Identifier;
FSRTL_COMMON_FCB_HEADER RFCB;
SECTION_OBJECT_POINTERS SectionObjectPointers;
PFILE_OBJECT FileObject;
PNTFS_VCB Vcb;
WCHAR Stream[MAX_PATH];
WCHAR *ObjectName; /* point on filename (250 chars max) in PathName */
WCHAR PathName[MAX_PATH]; /* path+filename 260 max */
ERESOURCE PagingIoResource;
ERESOURCE MainResource;
LIST_ENTRY FcbListEntry;
struct _FCB* ParentFcb;
ULONG DirIndex;
LONG RefCount;
ULONG Flags;
ULONG OpenHandleCount;
ULONGLONG MFTIndex;
USHORT LinkCount;
FILENAME_ATTRIBUTE Entry;
} NTFS_FCB, *PNTFS_FCB;
typedef struct _FIND_ATTR_CONTXT
{
PDEVICE_EXTENSION Vcb;
BOOLEAN OnlyResident;
PNTFS_ATTR_RECORD FirstAttr;
PNTFS_ATTR_RECORD CurrAttr;
PNTFS_ATTR_RECORD LastAttr;
PNTFS_ATTR_RECORD NonResidentStart;
PNTFS_ATTR_RECORD NonResidentEnd;
} FIND_ATTR_CONTXT, *PFIND_ATTR_CONTXT;
extern PNTFS_GLOBAL_DATA NtfsGlobalData;
FORCEINLINE
NTSTATUS
NtfsMarkIrpContextForQueue(PNTFS_IRP_CONTEXT IrpContext)
{
PULONG Flags = &IrpContext->Flags;
*Flags &= ~IRPCONTEXT_COMPLETE;
*Flags |= IRPCONTEXT_QUEUE;
return STATUS_PENDING;
}
/* attrib.c */
//VOID
//NtfsDumpAttribute(PATTRIBUTE Attribute);
PUCHAR
DecodeRun(PUCHAR DataRun,
LONGLONG *DataRunOffset,
ULONGLONG *DataRunLength);
VOID
NtfsDumpFileAttributes(PDEVICE_EXTENSION Vcb,
PFILE_RECORD_HEADER FileRecord);
PSTANDARD_INFORMATION
GetStandardInformationFromRecord(PDEVICE_EXTENSION Vcb,
PFILE_RECORD_HEADER FileRecord);
PFILENAME_ATTRIBUTE
GetFileNameFromRecord(PDEVICE_EXTENSION Vcb,
PFILE_RECORD_HEADER FileRecord,
UCHAR NameType);
PFILENAME_ATTRIBUTE
GetBestFileNameFromRecord(PDEVICE_EXTENSION Vcb,
PFILE_RECORD_HEADER FileRecord);
NTSTATUS
FindFirstAttribute(PFIND_ATTR_CONTXT Context,
PDEVICE_EXTENSION Vcb,
PFILE_RECORD_HEADER FileRecord,
BOOLEAN OnlyResident,
PNTFS_ATTR_RECORD * Attribute);
NTSTATUS
FindNextAttribute(PFIND_ATTR_CONTXT Context,
PNTFS_ATTR_RECORD * Attribute);
VOID
FindCloseAttribute(PFIND_ATTR_CONTXT Context);
/* blockdev.c */
NTSTATUS
NtfsReadDisk(IN PDEVICE_OBJECT DeviceObject,
IN LONGLONG StartingOffset,
IN ULONG Length,
IN ULONG SectorSize,
IN OUT PUCHAR Buffer,
IN BOOLEAN Override);
NTSTATUS
NtfsReadSectors(IN PDEVICE_OBJECT DeviceObject,
IN ULONG DiskSector,
IN ULONG SectorCount,
IN ULONG SectorSize,
IN OUT PUCHAR Buffer,
IN BOOLEAN Override);
NTSTATUS
NtfsDeviceIoControl(IN PDEVICE_OBJECT DeviceObject,
IN ULONG ControlCode,
IN PVOID InputBuffer,
IN ULONG InputBufferSize,
IN OUT PVOID OutputBuffer,
IN OUT PULONG OutputBufferSize,
IN BOOLEAN Override);
/* close.c */
NTSTATUS
NtfsCleanup(PNTFS_IRP_CONTEXT IrpContext);
/* close.c */
NTSTATUS
NtfsCloseFile(PDEVICE_EXTENSION DeviceExt,
PFILE_OBJECT FileObject);
NTSTATUS
NtfsClose(PNTFS_IRP_CONTEXT IrpContext);
/* create.c */
NTSTATUS
NtfsCreate(PNTFS_IRP_CONTEXT IrpContext);
/* devctl.c */
NTSTATUS
NtfsDeviceControl(PNTFS_IRP_CONTEXT IrpContext);
/* dirctl.c */
ULONGLONG
NtfsGetFileSize(PDEVICE_EXTENSION DeviceExt,
PFILE_RECORD_HEADER FileRecord,
PCWSTR Stream,
ULONG StreamLength,
PULONGLONG AllocatedSize);
NTSTATUS
NtfsDirectoryControl(PNTFS_IRP_CONTEXT IrpContext);
/* dispatch.c */
DRIVER_DISPATCH NtfsFsdDispatch;
NTSTATUS NTAPI
NtfsFsdDispatch(PDEVICE_OBJECT DeviceObject,
PIRP Irp);
/* fastio.c */
BOOLEAN NTAPI
NtfsAcqLazyWrite(PVOID Context,
BOOLEAN Wait);
VOID NTAPI
NtfsRelLazyWrite(PVOID Context);
BOOLEAN NTAPI
NtfsAcqReadAhead(PVOID Context,
BOOLEAN Wait);
VOID NTAPI
NtfsRelReadAhead(PVOID Context);
FAST_IO_CHECK_IF_POSSIBLE NtfsFastIoCheckIfPossible;
FAST_IO_READ NtfsFastIoRead;
FAST_IO_WRITE NtfsFastIoWrite;
/* fcb.c */
PNTFS_FCB
NtfsCreateFCB(PCWSTR FileName,
PCWSTR Stream,
PNTFS_VCB Vcb);
VOID
NtfsDestroyFCB(PNTFS_FCB Fcb);
BOOLEAN
NtfsFCBIsDirectory(PNTFS_FCB Fcb);
BOOLEAN
NtfsFCBIsReparsePoint(PNTFS_FCB Fcb);
BOOLEAN
NtfsFCBIsCompressed(PNTFS_FCB Fcb);
BOOLEAN
NtfsFCBIsRoot(PNTFS_FCB Fcb);
VOID
NtfsGrabFCB(PNTFS_VCB Vcb,
PNTFS_FCB Fcb);
VOID
NtfsReleaseFCB(PNTFS_VCB Vcb,
PNTFS_FCB Fcb);
VOID
NtfsAddFCBToTable(PNTFS_VCB Vcb,
PNTFS_FCB Fcb);
PNTFS_FCB
NtfsGrabFCBFromTable(PNTFS_VCB Vcb,
PCWSTR FileName);
NTSTATUS
NtfsFCBInitializeCache(PNTFS_VCB Vcb,
PNTFS_FCB Fcb);
PNTFS_FCB
NtfsMakeRootFCB(PNTFS_VCB Vcb);
PNTFS_FCB
NtfsOpenRootFCB(PNTFS_VCB Vcb);
NTSTATUS
NtfsAttachFCBToFileObject(PNTFS_VCB Vcb,
PNTFS_FCB Fcb,
PFILE_OBJECT FileObject);
NTSTATUS
NtfsGetFCBForFile(PNTFS_VCB Vcb,
PNTFS_FCB *pParentFCB,
PNTFS_FCB *pFCB,
const PWSTR pFileName);
NTSTATUS
NtfsReadFCBAttribute(PNTFS_VCB Vcb,
PNTFS_FCB pFCB,
ULONG Type,
PCWSTR Name,
ULONG NameLength,
PVOID * Data);
NTSTATUS
NtfsMakeFCBFromDirEntry(PNTFS_VCB Vcb,
PNTFS_FCB DirectoryFCB,
PUNICODE_STRING Name,
PCWSTR Stream,
PFILE_RECORD_HEADER Record,
ULONGLONG MFTIndex,
PNTFS_FCB * fileFCB);
/* finfo.c */
NTSTATUS
NtfsQueryInformation(PNTFS_IRP_CONTEXT IrpContext);
/* fsctl.c */
NTSTATUS
NtfsFileSystemControl(PNTFS_IRP_CONTEXT IrpContext);
/* mft.c */
PNTFS_ATTR_CONTEXT
PrepareAttributeContext(PNTFS_ATTR_RECORD AttrRecord);
VOID
ReleaseAttributeContext(PNTFS_ATTR_CONTEXT Context);
ULONG
ReadAttribute(PDEVICE_EXTENSION Vcb,
PNTFS_ATTR_CONTEXT Context,
ULONGLONG Offset,
PCHAR Buffer,
ULONG Length);
ULONGLONG
AttributeDataLength(PNTFS_ATTR_RECORD AttrRecord);
ULONG
AttributeAllocatedLength(PNTFS_ATTR_RECORD AttrRecord);
NTSTATUS
ReadFileRecord(PDEVICE_EXTENSION Vcb,
ULONGLONG index,
PFILE_RECORD_HEADER file);
NTSTATUS
FindAttribute(PDEVICE_EXTENSION Vcb,
PFILE_RECORD_HEADER MftRecord,
ULONG Type,
PCWSTR Name,
ULONG NameLength,
PNTFS_ATTR_CONTEXT * AttrCtx);
VOID
ReadVCN(PDEVICE_EXTENSION Vcb,
PFILE_RECORD_HEADER file,
ATTRIBUTE_TYPE type,
ULONGLONG vcn,
ULONG count,
PVOID buffer);
NTSTATUS
FixupUpdateSequenceArray(PDEVICE_EXTENSION Vcb,
PNTFS_RECORD_HEADER Record);
NTSTATUS
ReadLCN(PDEVICE_EXTENSION Vcb,
ULONGLONG lcn,
ULONG count,
PVOID buffer);
VOID
EnumerAttribute(PFILE_RECORD_HEADER file,
PDEVICE_EXTENSION Vcb,
PDEVICE_OBJECT DeviceObject);
NTSTATUS
NtfsLookupFile(PDEVICE_EXTENSION Vcb,
PUNICODE_STRING PathName,
PFILE_RECORD_HEADER *FileRecord,
PULONGLONG MFTIndex);
NTSTATUS
NtfsLookupFileAt(PDEVICE_EXTENSION Vcb,
PUNICODE_STRING PathName,
PFILE_RECORD_HEADER *FileRecord,
PULONGLONG MFTIndex,
ULONGLONG CurrentMFTIndex);
NTSTATUS
NtfsFindFileAt(PDEVICE_EXTENSION Vcb,
PUNICODE_STRING SearchPattern,
PULONG FirstEntry,
PFILE_RECORD_HEADER *FileRecord,
PULONGLONG MFTIndex,
ULONGLONG CurrentMFTIndex);
/* misc.c */
BOOLEAN
NtfsIsIrpTopLevel(PIRP Irp);
PNTFS_IRP_CONTEXT
NtfsAllocateIrpContext(PDEVICE_OBJECT DeviceObject,
PIRP Irp);
PVOID
NtfsGetUserBuffer(PIRP Irp,
BOOLEAN Paging);
VOID
NtfsFileFlagsToAttributes(ULONG NtfsAttributes,
PULONG FileAttributes);
/* rw.c */
NTSTATUS
NtfsRead(PNTFS_IRP_CONTEXT IrpContext);
NTSTATUS
NtfsWrite(PNTFS_IRP_CONTEXT IrpContext);
/* volinfo.c */
ULONGLONG
NtfsGetFreeClusters(PDEVICE_EXTENSION DeviceExt);
NTSTATUS
NtfsQueryVolumeInformation(PNTFS_IRP_CONTEXT IrpContext);
NTSTATUS
NtfsSetVolumeInformation(PNTFS_IRP_CONTEXT IrpContext);
/* ntfs.c */
DRIVER_INITIALIZE DriverEntry;
VOID
NTAPI
NtfsInitializeFunctionPointers(PDRIVER_OBJECT DriverObject);
#endif /* NTFS_H */
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