reactos/drivers/filesystems/ntfs/ntfs.h

   1 #ifndef NTFS_H
   2 #define NTFS_H
   3
   4 #include <ntifs.h>
   5
   6 #define CACHEPAGESIZE(pDeviceExt) \
   7         ((pDeviceExt)->NtfsInfo.UCHARsPerCluster > PAGE_SIZE ? \
   8          (pDeviceExt)->NtfsInfo.UCHARsPerCluster : PAGE_SIZE)
   9
  10 #define TAG_NTFS 'SFTN'
  11
  12 #define ROUND_UP(N, S) ((((N) + (S) - 1) / (S)) * (S))
  13
  14 #define DEVICE_NAME L"\\Ntfs"
  15
  16 #include <pshpack1.h>
  17 typedef struct _BIOS_PARAMETERS_BLOCK
  18 {
  19     USHORT    BytesPerSector;                   // 0x0B
  20     UCHAR     SectorsPerCluster;                // 0x0D
  21     UCHAR     Unused0[7];                               // 0x0E, checked when volume is mounted
  22     UCHAR     MediaId;                          // 0x15
  23     UCHAR     Unused1[2];                               // 0x16
  24     USHORT    SectorsPerTrack;          // 0x18
  25     USHORT    Heads;                                    // 0x1A
  26     UCHAR     Unused2[4];                               // 0x1C
  27     UCHAR     Unused3[4];                               // 0x20, checked when volume is mounted
  28 } BIOS_PARAMETERS_BLOCK, *PBIOS_PARAMETERS_BLOCK;
  29
  30 typedef struct _EXTENDED_BIOS_PARAMETERS_BLOCK
  31 {
  32     USHORT    Unknown[2];                               // 0x24, always 80 00 80 00
  33     ULONGLONG SectorCount;                      // 0x28
  34     ULONGLONG MftLocation;                      // 0x30
  35     ULONGLONG MftMirrLocation;          // 0x38
  36     CHAR      ClustersPerMftRecord;     // 0x40
  37     UCHAR     Unused4[3];                               // 0x41
  38     CHAR      ClustersPerIndexRecord; // 0x44
  39     UCHAR     Unused5[3];                               // 0x45
  40     ULONGLONG SerialNumber;                     // 0x48
  41     UCHAR     Checksum[4];                      // 0x50
  42 } EXTENDED_BIOS_PARAMETERS_BLOCK, *PEXTENDED_BIOS_PARAMETERS_BLOCK;
  43
  44 typedef struct _BOOT_SECTOR
  45 {
  46     UCHAR     Jump[3];                          // 0x00
  47     UCHAR     OEMID[8];                         // 0x03
  48     BIOS_PARAMETERS_BLOCK BPB;
  49     EXTENDED_BIOS_PARAMETERS_BLOCK EBPB;
  50     UCHAR     BootStrap[426];                   // 0x54
  51     USHORT    EndSector;                                // 0x1FE
  52 } BOOT_SECTOR, *PBOOT_SECTOR;
  53 #include <poppack.h>
  54
  55 //typedef struct _BootSector BootSector;
  56
  57 typedef struct _NTFS_INFO
  58 {
  59     ULONG BytesPerSector;
  60     ULONG SectorsPerCluster;
  61     ULONG BytesPerCluster;
  62     ULONGLONG SectorCount;
  63     ULARGE_INTEGER MftStart;
  64     ULARGE_INTEGER MftMirrStart;
  65     ULONG BytesPerFileRecord;
  66     ULONG BytesPerIndexRecord;
  67
  68     ULONGLONG SerialNumber;
  69     USHORT VolumeLabelLength;
  70     WCHAR VolumeLabel[MAXIMUM_VOLUME_LABEL_LENGTH];
  71     UCHAR MajorVersion;
  72     UCHAR MinorVersion;
  73     USHORT Flags;
  74
  75 } NTFS_INFO, *PNTFS_INFO;
  76
  77 #define NTFS_TYPE_CCB         '20SF'
  78 #define NTFS_TYPE_FCB         '30SF'
  79 #define NTFS_TYPE_VCB         '50SF'
  80 #define NTFS_TYPE_IRP_CONTEST '60SF'
  81 #define NTFS_TYPE_GLOBAL_DATA '70SF'
  82
  83 typedef struct
  84 {
  85     ULONG Type;
  86     ULONG Size;
  87 } NTFSIDENTIFIER, *PNTFSIDENTIFIER;
  88
  89 typedef struct
  90 {
  91     NTFSIDENTIFIER Identifier;
  92
  93     ERESOURCE DirResource;
  94 //    ERESOURCE FatResource;
  95
  96     KSPIN_LOCK FcbListLock;
  97     LIST_ENTRY FcbListHead;
  98
  99     PVPB Vpb;
 100     PDEVICE_OBJECT StorageDevice;
 101     PFILE_OBJECT StreamFileObject;
 102
 103     struct _NTFS_ATTR_CONTEXT* MFTContext;
 104     struct _FILE_RECORD_HEADER* MasterFileTable;
 105     struct _FCB *VolumeFcb;
 106
 107     NTFS_INFO NtfsInfo;
 108
 109 } DEVICE_EXTENSION, *PDEVICE_EXTENSION, NTFS_VCB, *PNTFS_VCB;
 110
 111
 112 #define FCB_CACHE_INITIALIZED   0x0001
 113 #define FCB_IS_VOLUME_STREAM    0x0002
 114 #define FCB_IS_VOLUME           0x0004
 115 #define MAX_PATH                260
 116
 117 typedef struct _FCB
 118 {
 119     NTFSIDENTIFIER Identifier;
 120
 121     FSRTL_COMMON_FCB_HEADER RFCB;
 122     SECTION_OBJECT_POINTERS SectionObjectPointers;
 123
 124     PFILE_OBJECT FileObject;
 125     PNTFS_VCB Vcb;
 126
 127     WCHAR *ObjectName;          /* point on filename (250 chars max) in PathName */
 128     WCHAR PathName[MAX_PATH];   /* path+filename 260 max */
 129
 130     ERESOURCE PagingIoResource;
 131     ERESOURCE MainResource;
 132
 133     LIST_ENTRY FcbListEntry;
 134     struct _FCB* ParentFcb;
 135
 136     ULONG DirIndex;
 137
 138     LONG RefCount;
 139     ULONG Flags;
 140
 141     ULONGLONG MFTIndex;
 142
 143 //  DIR_RECORD Entry;
 144
 145 } NTFS_FCB, *PNTFS_FCB;
 146
 147
 148 typedef struct
 149 {
 150     NTFSIDENTIFIER Identifier;
 151     LIST_ENTRY     NextCCB;
 152     PFILE_OBJECT   PtrFileObject;
 153     LARGE_INTEGER  CurrentByteOffset;
 154     /* for DirectoryControl */
 155     ULONG Entry;
 156     /* for DirectoryControl */
 157     PWCHAR DirectorySearchPattern;
 158     ULONG LastCluster;
 159     ULONG LastOffset;
 160 } NTFS_CCB, *PNTFS_CCB;
 161
 162 #define TAG_CCB 'BCCI'
 163
 164 typedef struct
 165 {
 166     NTFSIDENTIFIER Identifier;
 167     ERESOURCE Resource;
 168     PDRIVER_OBJECT DriverObject;
 169     PDEVICE_OBJECT DeviceObject;
 170     CACHE_MANAGER_CALLBACKS CacheMgrCallbacks;
 171     ULONG Flags;
 172 } NTFS_GLOBAL_DATA, *PNTFS_GLOBAL_DATA;
 173
 174
 175 typedef enum
 176 {
 177     AttributeStandardInformation = 0x10,
 178     AttributeAttributeList = 0x20,
 179     AttributeFileName = 0x30,
 180     AttributeObjectId = 0x40,
 181     AttributeSecurityDescriptor = 0x50,
 182     AttributeVolumeName = 0x60,
 183     AttributeVolumeInformation = 0x70,
 184     AttributeData = 0x80,
 185     AttributeIndexRoot = 0x90,
 186     AttributeIndexAllocation = 0xA0,
 187     AttributeBitmap = 0xB0,
 188     AttributeReparsePoint = 0xC0,
 189     AttributeEAInformation = 0xD0,
 190     AttributeEA = 0xE0,
 191     AttributePropertySet = 0xF0,
 192     AttributeLoggedUtilityStream = 0x100,
 193     AttributeEnd = 0xFFFFFFFF
 194 } ATTRIBUTE_TYPE, *PATTRIBUTE_TYPE;
 195
 196 #define NTFS_FILE_MFT                0
 197 #define NTFS_FILE_MFTMIRR            1
 198 #define NTFS_FILE_LOGFILE            2
 199 #define NTFS_FILE_VOLUME            3
 200 #define NTFS_FILE_ATTRDEF            4
 201 #define NTFS_FILE_ROOT                5
 202 #define NTFS_FILE_BITMAP            6
 203 #define NTFS_FILE_BOOT                7
 204 #define NTFS_FILE_BADCLUS            8
 205 #define NTFS_FILE_QUOTA                9
 206 #define NTFS_FILE_UPCASE            10
 207 #define NTFS_FILE_EXTEND            11
 208
 209 #define COLLATION_BINARY              0x00
 210 #define COLLATION_FILE_NAME           0x01
 211 #define COLLATION_UNICODE_STRING      0x02
 212 #define COLLATION_NTOFS_ULONG         0x10
 213 #define COLLATION_NTOFS_SID           0x11
 214 #define COLLATION_NTOFS_SECURITY_HASH 0x12
 215 #define COLLATION_NTOFS_ULONGS        0x13
 216
 217 #define INDEX_ROOT_SMALL 0x0
 218 #define INDEX_ROOT_LARGE 0x1
 219
 220 #define NTFS_INDEX_ENTRY_NODE            1
 221 #define NTFS_INDEX_ENTRY_END            2
 222
 223 #define NTFS_FILE_NAME_POSIX            0
 224 #define NTFS_FILE_NAME_WIN32            1
 225 #define NTFS_FILE_NAME_DOS            2
 226 #define NTFS_FILE_NAME_WIN32_AND_DOS        3
 227
 228 typedef struct
 229 {
 230     ULONG Type;             /* Magic number 'FILE' */
 231     USHORT UsaOffset;       /* Offset to the update sequence */
 232     USHORT UsaCount;        /* Size in words of Update Sequence Number & Array (S) */
 233     ULONGLONG Lsn;          /* $LogFile Sequence Number (LSN) */
 234 } NTFS_RECORD_HEADER, *PNTFS_RECORD_HEADER;
 235
 236 /* NTFS_RECORD_HEADER.Type */
 237 #define NRH_FILE_TYPE  0x454C4946  /* 'FILE' */
 238
 239
 240 typedef struct _FILE_RECORD_HEADER
 241 {
 242     NTFS_RECORD_HEADER Ntfs;
 243     USHORT SequenceNumber;        /* Sequence number */
 244     USHORT LinkCount;             /* Hard link count */
 245     USHORT AttributeOffset;       /* Offset to the first Attribute */
 246     USHORT Flags;                 /* Flags */
 247     ULONG BytesInUse;             /* Real size of the FILE record */
 248     ULONG BytesAllocated;         /* Allocated size of the FILE record */
 249     ULONGLONG BaseFileRecord;     /* File reference to the base FILE record */
 250     USHORT NextAttributeNumber;   /* Next Attribute Id */
 251     USHORT Pading;                /* Align to 4 UCHAR boundary (XP) */
 252     ULONG MFTRecordNumber;        /* Number of this MFT Record (XP) */
 253 } FILE_RECORD_HEADER, *PFILE_RECORD_HEADER;
 254
 255 /* Flags in FILE_RECORD_HEADER */
 256
 257 #define FRH_IN_USE    0x0001    /* Record is in use */
 258 #define FRH_DIRECTORY 0x0002    /* Record is a directory */
 259 #define FRH_UNKNOWN1  0x0004    /* Don't know */
 260 #define FRH_UNKNOWN2  0x0008    /* Don't know */
 261
 262 typedef struct
 263 {
 264     ULONG        Type;
 265     ULONG        Length;
 266     UCHAR        IsNonResident;
 267     UCHAR        NameLength;
 268     USHORT        NameOffset;
 269     USHORT        Flags;
 270     USHORT        Instance;
 271     union
 272     {
 273         // Resident attributes
 274         struct
 275         {
 276             ULONG        ValueLength;
 277             USHORT        ValueOffset;
 278             UCHAR        Flags;
 279             UCHAR        Reserved;
 280         } Resident;
 281         // Non-resident attributes
 282         struct
 283         {
 284             ULONGLONG        LowestVCN;
 285             ULONGLONG        HighestVCN;
 286             USHORT        MappingPairsOffset;
 287             USHORT        CompressionUnit;
 288             UCHAR        Reserved[4];
 289             LONGLONG        AllocatedSize;
 290             LONGLONG        DataSize;
 291             LONGLONG        InitializedSize;
 292             LONGLONG        CompressedSize;
 293         } NonResident;
 294     };
 295 } NTFS_ATTR_RECORD, *PNTFS_ATTR_RECORD;
 296
 297 typedef struct
 298 {
 299     ULONGLONG CreationTime;
 300     ULONGLONG ChangeTime;
 301     ULONGLONG LastWriteTime;
 302     ULONGLONG LastAccessTime;
 303     ULONG FileAttribute;
 304     ULONG AlignmentOrReserved[3];
 305 #if 0
 306     ULONG QuotaId;
 307     ULONG SecurityId;
 308     ULONGLONG QuotaCharge;
 309     USN Usn;
 310 #endif
 311 } STANDARD_INFORMATION, *PSTANDARD_INFORMATION;
 312
 313
 314 typedef struct
 315 {
 316     ATTRIBUTE_TYPE AttributeType;
 317     USHORT Length;
 318     UCHAR NameLength;
 319     UCHAR NameOffset;
 320     ULONGLONG StartVcn; // LowVcn
 321     ULONGLONG FileReferenceNumber;
 322     USHORT AttributeNumber;
 323     USHORT AlignmentOrReserved[3];
 324 } ATTRIBUTE_LIST, *PATTRIBUTE_LIST;
 325
 326
 327 typedef struct
 328 {
 329     ULONGLONG DirectoryFileReferenceNumber;
 330     ULONGLONG CreationTime;
 331     ULONGLONG ChangeTime;
 332     ULONGLONG LastWriteTime;
 333     ULONGLONG LastAccessTime;
 334     ULONGLONG AllocatedSize;
 335     ULONGLONG DataSize;
 336     ULONG FileAttributes;
 337     ULONG AlignmentOrReserved;
 338     UCHAR NameLength;
 339     UCHAR NameType;
 340     WCHAR Name[1];
 341 } FILENAME_ATTRIBUTE, *PFILENAME_ATTRIBUTE;
 342
 343 typedef struct
 344 {
 345     ULONG FirstEntryOffset;
 346     ULONG TotalSizeOfEntries;
 347     ULONG AllocatedSize;
 348     UCHAR Flags;
 349     UCHAR Padding[3];
 350 } INDEX_HEADER_ATTRIBUTE, *PINDEX_HEADER_ATTRIBUTE;
 351
 352 typedef struct
 353 {
 354     ULONG AttributeType;
 355     ULONG CollationRule;
 356     ULONG SizeOfEntry;
 357     UCHAR ClustersPerIndexRecord;
 358     UCHAR Padding[3];
 359     INDEX_HEADER_ATTRIBUTE Header;
 360 } INDEX_ROOT_ATTRIBUTE, *PINDEX_ROOT_ATTRIBUTE;
 361
 362 typedef struct
 363 {
 364     union
 365     {
 366         struct
 367         {
 368             ULONGLONG    IndexedFile;
 369         } Directory;
 370         struct
 371         {
 372             USHORT    DataOffset;
 373             USHORT    DataLength;
 374             ULONG    Reserved;
 375         } ViewIndex;
 376     } Data;
 377     USHORT            Length;
 378     USHORT            KeyLength;
 379     USHORT            Flags;
 380     USHORT            Reserved;
 381     FILENAME_ATTRIBUTE    FileName;
 382 } INDEX_ENTRY_ATTRIBUTE, *PINDEX_ENTRY_ATTRIBUTE;
 383
 384 typedef struct
 385 {
 386     ULONGLONG Unknown1;
 387     UCHAR MajorVersion;
 388     UCHAR MinorVersion;
 389     USHORT Flags;
 390     ULONG Unknown2;
 391 } VOLINFO_ATTRIBUTE, *PVOLINFO_ATTRIBUTE;
 392
 393 typedef struct
 394 {
 395     NTFSIDENTIFIER Identifier;
 396     ULONG Flags;
 397     UCHAR MajorFunction;
 398     UCHAR MinorFunction;
 399     WORK_QUEUE_ITEM WorkQueueItem;
 400     PIRP Irp;
 401     BOOLEAN IsTopLevel;
 402     PDEVICE_OBJECT DeviceObject;
 403     NTSTATUS SavedExceptionCode;
 404 } NTFS_IRP_CONTEXT, *PNTFS_IRP_CONTEXT;
 405
 406 typedef struct _NTFS_ATTR_CONTEXT
 407 {
 408     PUCHAR            CacheRun;
 409     ULONGLONG            CacheRunOffset;
 410     LONGLONG            CacheRunStartLCN;
 411     ULONGLONG            CacheRunLength;
 412     LONGLONG            CacheRunLastLCN;
 413     ULONGLONG            CacheRunCurrentOffset;
 414     NTFS_ATTR_RECORD    Record;
 415 } NTFS_ATTR_CONTEXT, *PNTFS_ATTR_CONTEXT;
 416
 417 extern PNTFS_GLOBAL_DATA NtfsGlobalData;
 418
 419 //int CdfsStrcmpi( wchar_t *str1, wchar_t *str2 );
 420 //void CdfsWstrcpy( wchar_t *str1, wchar_t *str2, int max );
 421
 422
 423 /* attrib.c */
 424
 425 //VOID
 426 //NtfsDumpAttribute(PATTRIBUTE Attribute);
 427
 428 PUCHAR
 429 DecodeRun(PUCHAR DataRun,
 430           LONGLONG *DataRunOffset,
 431           ULONGLONG *DataRunLength);
 432
 433 VOID
 434 NtfsDumpFileAttributes(PFILE_RECORD_HEADER FileRecord);
 435
 436
 437 /* blockdev.c */
 438
 439 NTSTATUS
 440 NtfsReadDisk(IN PDEVICE_OBJECT DeviceObject,
 441              IN LONGLONG StartingOffset,
 442              IN ULONG Length,
 443              IN OUT PUCHAR Buffer,
 444              IN BOOLEAN Override);
 445
 446 NTSTATUS
 447 NtfsReadSectors(IN PDEVICE_OBJECT DeviceObject,
 448                 IN ULONG DiskSector,
 449                 IN ULONG SectorCount,
 450                 IN ULONG SectorSize,
 451                 IN OUT PUCHAR Buffer,
 452                 IN BOOLEAN Override);
 453
 454 NTSTATUS
 455 NtfsDeviceIoControl(IN PDEVICE_OBJECT DeviceObject,
 456                     IN ULONG ControlCode,
 457                     IN PVOID InputBuffer,
 458                     IN ULONG InputBufferSize,
 459                     IN OUT PVOID OutputBuffer,
 460                     IN OUT PULONG OutputBufferSize,
 461                     IN BOOLEAN Override);
 462
 463
 464 /* close.c */
 465
 466 DRIVER_DISPATCH NtfsFsdClose;
 467 NTSTATUS NTAPI
 468 NtfsFsdClose(PDEVICE_OBJECT DeviceObject,
 469              PIRP Irp);
 470
 471
 472 /* create.c */
 473
 474 DRIVER_DISPATCH NtfsFsdCreate;
 475 NTSTATUS NTAPI
 476 NtfsFsdCreate(PDEVICE_OBJECT DeviceObject,
 477               PIRP Irp);
 478
 479
 480 /* dirctl.c */
 481
 482 DRIVER_DISPATCH NtfsFsdDirectoryControl;
 483 NTSTATUS NTAPI
 484 NtfsFsdDirectoryControl(PDEVICE_OBJECT DeviceObject,
 485                         PIRP Irp);
 486
 487
 488 /* dispatch.c */
 489
 490 DRIVER_DISPATCH NtfsFsdDispatch;
 491 NTSTATUS NTAPI
 492 NtfsFsdDispatch(PDEVICE_OBJECT DeviceObject,
 493                 PIRP Irp);
 494
 495
 496 /* fastio.c */
 497
 498 BOOLEAN NTAPI
 499 NtfsAcqLazyWrite(PVOID Context,
 500                  BOOLEAN Wait);
 501
 502 VOID NTAPI
 503 NtfsRelLazyWrite(PVOID Context);
 504
 505 BOOLEAN NTAPI
 506 NtfsAcqReadAhead(PVOID Context,
 507                  BOOLEAN Wait);
 508
 509 VOID NTAPI
 510 NtfsRelReadAhead(PVOID Context);
 511
 512
 513 /* fcb.c */
 514
 515 PNTFS_FCB
 516 NtfsCreateFCB(PCWSTR FileName,
 517               PNTFS_VCB Vcb);
 518
 519 VOID
 520 NtfsDestroyFCB(PNTFS_FCB Fcb);
 521
 522 BOOLEAN
 523 NtfsFCBIsDirectory(PNTFS_FCB Fcb);
 524
 525 BOOLEAN
 526 NtfsFCBIsRoot(PNTFS_FCB Fcb);
 527
 528 VOID
 529 NtfsGrabFCB(PNTFS_VCB Vcb,
 530             PNTFS_FCB Fcb);
 531
 532 VOID
 533 NtfsReleaseFCB(PNTFS_VCB Vcb,
 534                PNTFS_FCB Fcb);
 535
 536 VOID
 537 NtfsAddFCBToTable(PNTFS_VCB Vcb,
 538                   PNTFS_FCB Fcb);
 539
 540 PNTFS_FCB
 541 NtfsGrabFCBFromTable(PNTFS_VCB Vcb,
 542                      PCWSTR FileName);
 543
 544 NTSTATUS
 545 NtfsFCBInitializeCache(PNTFS_VCB Vcb,
 546                        PNTFS_FCB Fcb);
 547
 548 PNTFS_FCB
 549 NtfsMakeRootFCB(PNTFS_VCB Vcb);
 550
 551 PNTFS_FCB
 552 NtfsOpenRootFCB(PNTFS_VCB Vcb);
 553
 554 NTSTATUS
 555 NtfsAttachFCBToFileObject(PNTFS_VCB Vcb,
 556                           PNTFS_FCB Fcb,
 557                           PFILE_OBJECT FileObject);
 558
 559 NTSTATUS
 560 NtfsGetFCBForFile(PNTFS_VCB Vcb,
 561                   PNTFS_FCB *pParentFCB,
 562                   PNTFS_FCB *pFCB,
 563                   const PWSTR pFileName);
 564
 565
 566 /* finfo.c */
 567
 568 DRIVER_DISPATCH NtfsFsdQueryInformation;
 569 NTSTATUS NTAPI
 570 NtfsFsdQueryInformation(PDEVICE_OBJECT DeviceObject,
 571                         PIRP Irp);
 572
 573
 574 /* fsctl.c */
 575
 576 DRIVER_DISPATCH NtfsFsdFileSystemControl;
 577 NTSTATUS NTAPI
 578 NtfsFsdFileSystemControl(PDEVICE_OBJECT DeviceObject,
 579                          PIRP Irp);
 580
 581
 582 /* mft.c */
 583 ULONG
 584 ReadAttribute(PDEVICE_EXTENSION Vcb,
 585               PNTFS_ATTR_CONTEXT Context,
 586               ULONGLONG Offset,
 587               PCHAR Buffer,
 588               ULONG Length);
 589
 590 ULONGLONG
 591 AttributeDataLength(PNTFS_ATTR_RECORD AttrRecord);
 592
 593 ULONG
 594 AttributeAllocatedLength(PNTFS_ATTR_RECORD AttrRecord);
 595
 596 NTSTATUS
 597 ReadFileRecord(PDEVICE_EXTENSION Vcb,
 598                ULONGLONG index,
 599                PFILE_RECORD_HEADER file);
 600
 601 NTSTATUS
 602 FindAttribute(PDEVICE_EXTENSION Vcb,
 603               PFILE_RECORD_HEADER MftRecord,
 604               ULONG Type,
 605               PUNICODE_STRING Name,
 606               PNTFS_ATTR_CONTEXT * AttrCtx);
 607
 608 VOID
 609 ReadVCN(PDEVICE_EXTENSION Vcb,
 610         PFILE_RECORD_HEADER file,
 611         ATTRIBUTE_TYPE type,
 612         ULONGLONG vcn,
 613         ULONG count,
 614         PVOID buffer);
 615
 616 NTSTATUS
 617 FixupUpdateSequenceArray(PDEVICE_EXTENSION Vcb,
 618                          PNTFS_RECORD_HEADER Record);
 619
 620 NTSTATUS
 621 ReadLCN(PDEVICE_EXTENSION Vcb,
 622         ULONGLONG lcn,
 623         ULONG count,
 624         PVOID buffer);
 625
 626 VOID
 627 EnumerAttribute(PFILE_RECORD_HEADER file,
 628                 PDEVICE_EXTENSION Vcb,
 629                 PDEVICE_OBJECT DeviceObject);
 630
 631 NTSTATUS
 632 NtfsLookupFile(PDEVICE_EXTENSION Vcb,
 633                PUNICODE_STRING PathName,
 634                PFILE_RECORD_HEADER *FileRecord,
 635                PNTFS_ATTR_CONTEXT *DataContext);
 636
 637 NTSTATUS
 638 NtfsLookupFileAt(PDEVICE_EXTENSION Vcb,
 639                  PUNICODE_STRING PathName,
 640                  PFILE_RECORD_HEADER *FileRecord,
 641                  PNTFS_ATTR_CONTEXT *DataContext,
 642                  ULONGLONG CurrentMFTIndex);
 643
 644 /* misc.c */
 645
 646 BOOLEAN
 647 NtfsIsIrpTopLevel(PIRP Irp);
 648
 649 PNTFS_IRP_CONTEXT
 650 NtfsAllocateIrpContext(PDEVICE_OBJECT DeviceObject,
 651                        PIRP Irp);
 652
 653 #if 0
 654 BOOLEAN
 655 wstrcmpjoki(PWSTR s1, PWSTR s2);
 656
 657 VOID
 658 CdfsSwapString(PWCHAR Out,
 659                PUCHAR In,
 660                ULONG Count);
 661
 662 VOID
 663 CdfsDateTimeToFileTime(PFCB Fcb,
 664                        TIME *FileTime);
 665
 666 VOID
 667 CdfsFileFlagsToAttributes(PFCB Fcb,
 668                           PULONG FileAttributes);
 669 #endif
 670
 671
 672 /* rw.c */
 673
 674 DRIVER_DISPATCH NtfsFsdRead;
 675 NTSTATUS NTAPI
 676 NtfsFsdRead(PDEVICE_OBJECT DeviceObject,
 677             PIRP Irp);
 678
 679 DRIVER_DISPATCH NtfsFsdWrite;
 680 NTSTATUS NTAPI
 681 NtfsFsdWrite(PDEVICE_OBJECT DeviceObject,
 682              PIRP Irp);
 683
 684
 685 /* volinfo.c */
 686
 687 NTSTATUS
 688 NtfsQueryVolumeInformation(PNTFS_IRP_CONTEXT IrpContext);
 689
 690 NTSTATUS
 691 NtfsSetVolumeInformation(PNTFS_IRP_CONTEXT IrpContext);
 692
 693
 694 /* ntfs.c */
 695
 696 DRIVER_INITIALIZE DriverEntry;
 697
 698 VOID
 699 NTAPI
 700 NtfsInitializeFunctionPointers(PDRIVER_OBJECT DriverObject);
 701
 702 #endif /* NTFS_H */