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 typedef struct
 112 {
 113     NTFSIDENTIFIER Identifier;
 114     LIST_ENTRY     NextCCB;
 115     PFILE_OBJECT   PtrFileObject;
 116     LARGE_INTEGER  CurrentByteOffset;
 117     /* for DirectoryControl */
 118     ULONG Entry;
 119     /* for DirectoryControl */
 120     PWCHAR DirectorySearchPattern;
 121     ULONG LastCluster;
 122     ULONG LastOffset;
 123 } NTFS_CCB, *PNTFS_CCB;
 124
 125 #define TAG_CCB 'BCCI'
 126
 127 typedef struct
 128 {
 129     NTFSIDENTIFIER Identifier;
 130     ERESOURCE Resource;
 131     PDRIVER_OBJECT DriverObject;
 132     PDEVICE_OBJECT DeviceObject;
 133     CACHE_MANAGER_CALLBACKS CacheMgrCallbacks;
 134     ULONG Flags;
 135 } NTFS_GLOBAL_DATA, *PNTFS_GLOBAL_DATA;
 136
 137
 138 typedef enum
 139 {
 140     AttributeStandardInformation = 0x10,
 141     AttributeAttributeList = 0x20,
 142     AttributeFileName = 0x30,
 143     AttributeObjectId = 0x40,
 144     AttributeSecurityDescriptor = 0x50,
 145     AttributeVolumeName = 0x60,
 146     AttributeVolumeInformation = 0x70,
 147     AttributeData = 0x80,
 148     AttributeIndexRoot = 0x90,
 149     AttributeIndexAllocation = 0xA0,
 150     AttributeBitmap = 0xB0,
 151     AttributeReparsePoint = 0xC0,
 152     AttributeEAInformation = 0xD0,
 153     AttributeEA = 0xE0,
 154     AttributePropertySet = 0xF0,
 155     AttributeLoggedUtilityStream = 0x100,
 156     AttributeEnd = 0xFFFFFFFF
 157 } ATTRIBUTE_TYPE, *PATTRIBUTE_TYPE;
 158
 159 #define NTFS_FILE_MFT                0
 160 #define NTFS_FILE_MFTMIRR            1
 161 #define NTFS_FILE_LOGFILE            2
 162 #define NTFS_FILE_VOLUME            3
 163 #define NTFS_FILE_ATTRDEF            4
 164 #define NTFS_FILE_ROOT                5
 165 #define NTFS_FILE_BITMAP            6
 166 #define NTFS_FILE_BOOT                7
 167 #define NTFS_FILE_BADCLUS            8
 168 #define NTFS_FILE_QUOTA                9
 169 #define NTFS_FILE_UPCASE            10
 170 #define NTFS_FILE_EXTEND            11
 171
 172 #define COLLATION_BINARY              0x00
 173 #define COLLATION_FILE_NAME           0x01
 174 #define COLLATION_UNICODE_STRING      0x02
 175 #define COLLATION_NTOFS_ULONG         0x10
 176 #define COLLATION_NTOFS_SID           0x11
 177 #define COLLATION_NTOFS_SECURITY_HASH 0x12
 178 #define COLLATION_NTOFS_ULONGS        0x13
 179
 180 #define INDEX_ROOT_SMALL 0x0
 181 #define INDEX_ROOT_LARGE 0x1
 182
 183 #define NTFS_INDEX_ENTRY_NODE            1
 184 #define NTFS_INDEX_ENTRY_END            2
 185
 186 #define NTFS_FILE_NAME_POSIX            0
 187 #define NTFS_FILE_NAME_WIN32            1
 188 #define NTFS_FILE_NAME_DOS            2
 189 #define NTFS_FILE_NAME_WIN32_AND_DOS        3
 190
 191 typedef struct
 192 {
 193     ULONG Type;             /* Magic number 'FILE' */
 194     USHORT UsaOffset;       /* Offset to the update sequence */
 195     USHORT UsaCount;        /* Size in words of Update Sequence Number & Array (S) */
 196     ULONGLONG Lsn;          /* $LogFile Sequence Number (LSN) */
 197 } NTFS_RECORD_HEADER, *PNTFS_RECORD_HEADER;
 198
 199 /* NTFS_RECORD_HEADER.Type */
 200 #define NRH_FILE_TYPE  0x454C4946  /* 'FILE' */
 201
 202
 203 typedef struct _FILE_RECORD_HEADER
 204 {
 205     NTFS_RECORD_HEADER Ntfs;
 206     USHORT SequenceNumber;        /* Sequence number */
 207     USHORT LinkCount;             /* Hard link count */
 208     USHORT AttributeOffset;       /* Offset to the first Attribute */
 209     USHORT Flags;                 /* Flags */
 210     ULONG BytesInUse;             /* Real size of the FILE record */
 211     ULONG BytesAllocated;         /* Allocated size of the FILE record */
 212     ULONGLONG BaseFileRecord;     /* File reference to the base FILE record */
 213     USHORT NextAttributeNumber;   /* Next Attribute Id */
 214     USHORT Pading;                /* Align to 4 UCHAR boundary (XP) */
 215     ULONG MFTRecordNumber;        /* Number of this MFT Record (XP) */
 216 } FILE_RECORD_HEADER, *PFILE_RECORD_HEADER;
 217
 218 /* Flags in FILE_RECORD_HEADER */
 219
 220 #define FRH_IN_USE    0x0001    /* Record is in use */
 221 #define FRH_DIRECTORY 0x0002    /* Record is a directory */
 222 #define FRH_UNKNOWN1  0x0004    /* Don't know */
 223 #define FRH_UNKNOWN2  0x0008    /* Don't know */
 224
 225 typedef struct
 226 {
 227     ULONG        Type;
 228     ULONG        Length;
 229     UCHAR        IsNonResident;
 230     UCHAR        NameLength;
 231     USHORT        NameOffset;
 232     USHORT        Flags;
 233     USHORT        Instance;
 234     union
 235     {
 236         // Resident attributes
 237         struct
 238         {
 239             ULONG        ValueLength;
 240             USHORT        ValueOffset;
 241             UCHAR        Flags;
 242             UCHAR        Reserved;
 243         } Resident;
 244         // Non-resident attributes
 245         struct
 246         {
 247             ULONGLONG        LowestVCN;
 248             ULONGLONG        HighestVCN;
 249             USHORT        MappingPairsOffset;
 250             USHORT        CompressionUnit;
 251             UCHAR        Reserved[4];
 252             LONGLONG        AllocatedSize;
 253             LONGLONG        DataSize;
 254             LONGLONG        InitializedSize;
 255             LONGLONG        CompressedSize;
 256         } NonResident;
 257     };
 258 } NTFS_ATTR_RECORD, *PNTFS_ATTR_RECORD;
 259
 260 typedef struct
 261 {
 262     ULONGLONG CreationTime;
 263     ULONGLONG ChangeTime;
 264     ULONGLONG LastWriteTime;
 265     ULONGLONG LastAccessTime;
 266     ULONG FileAttribute;
 267     ULONG AlignmentOrReserved[3];
 268 #if 0
 269     ULONG QuotaId;
 270     ULONG SecurityId;
 271     ULONGLONG QuotaCharge;
 272     USN Usn;
 273 #endif
 274 } STANDARD_INFORMATION, *PSTANDARD_INFORMATION;
 275
 276
 277 typedef struct
 278 {
 279     ATTRIBUTE_TYPE AttributeType;
 280     USHORT Length;
 281     UCHAR NameLength;
 282     UCHAR NameOffset;
 283     ULONGLONG StartVcn; // LowVcn
 284     ULONGLONG FileReferenceNumber;
 285     USHORT AttributeNumber;
 286     USHORT AlignmentOrReserved[3];
 287 } ATTRIBUTE_LIST, *PATTRIBUTE_LIST;
 288
 289
 290 typedef struct
 291 {
 292     ULONGLONG DirectoryFileReferenceNumber;
 293     ULONGLONG CreationTime;
 294     ULONGLONG ChangeTime;
 295     ULONGLONG LastWriteTime;
 296     ULONGLONG LastAccessTime;
 297     ULONGLONG AllocatedSize;
 298     ULONGLONG DataSize;
 299     ULONG FileAttributes;
 300     ULONG AlignmentOrReserved;
 301     UCHAR NameLength;
 302     UCHAR NameType;
 303     WCHAR Name[1];
 304 } FILENAME_ATTRIBUTE, *PFILENAME_ATTRIBUTE;
 305
 306 typedef struct
 307 {
 308     ULONG FirstEntryOffset;
 309     ULONG TotalSizeOfEntries;
 310     ULONG AllocatedSize;
 311     UCHAR Flags;
 312     UCHAR Padding[3];
 313 } INDEX_HEADER_ATTRIBUTE, *PINDEX_HEADER_ATTRIBUTE;
 314
 315 typedef struct
 316 {
 317     ULONG AttributeType;
 318     ULONG CollationRule;
 319     ULONG SizeOfEntry;
 320     UCHAR ClustersPerIndexRecord;
 321     UCHAR Padding[3];
 322     INDEX_HEADER_ATTRIBUTE Header;
 323 } INDEX_ROOT_ATTRIBUTE, *PINDEX_ROOT_ATTRIBUTE;
 324
 325 typedef struct
 326 {
 327     union
 328     {
 329         struct
 330         {
 331             ULONGLONG    IndexedFile;
 332         } Directory;
 333         struct
 334         {
 335             USHORT    DataOffset;
 336             USHORT    DataLength;
 337             ULONG    Reserved;
 338         } ViewIndex;
 339     } Data;
 340     USHORT            Length;
 341     USHORT            KeyLength;
 342     USHORT            Flags;
 343     USHORT            Reserved;
 344     FILENAME_ATTRIBUTE    FileName;
 345 } INDEX_ENTRY_ATTRIBUTE, *PINDEX_ENTRY_ATTRIBUTE;
 346
 347 typedef struct
 348 {
 349     ULONGLONG Unknown1;
 350     UCHAR MajorVersion;
 351     UCHAR MinorVersion;
 352     USHORT Flags;
 353     ULONG Unknown2;
 354 } VOLINFO_ATTRIBUTE, *PVOLINFO_ATTRIBUTE;
 355
 356 typedef struct
 357 {
 358     NTFSIDENTIFIER Identifier;
 359     ULONG Flags;
 360     UCHAR MajorFunction;
 361     UCHAR MinorFunction;
 362     WORK_QUEUE_ITEM WorkQueueItem;
 363     PIRP Irp;
 364     BOOLEAN IsTopLevel;
 365     PDEVICE_OBJECT DeviceObject;
 366     NTSTATUS SavedExceptionCode;
 367 } NTFS_IRP_CONTEXT, *PNTFS_IRP_CONTEXT;
 368
 369 typedef struct _NTFS_ATTR_CONTEXT
 370 {
 371     PUCHAR            CacheRun;
 372     ULONGLONG            CacheRunOffset;
 373     LONGLONG            CacheRunStartLCN;
 374     ULONGLONG            CacheRunLength;
 375     LONGLONG            CacheRunLastLCN;
 376     ULONGLONG            CacheRunCurrentOffset;
 377     NTFS_ATTR_RECORD    Record;
 378 } NTFS_ATTR_CONTEXT, *PNTFS_ATTR_CONTEXT;
 379
 380 #define FCB_CACHE_INITIALIZED   0x0001
 381 #define FCB_IS_VOLUME_STREAM    0x0002
 382 #define FCB_IS_VOLUME           0x0004
 383 #define MAX_PATH                260
 384
 385 typedef struct _FCB
 386 {
 387     NTFSIDENTIFIER Identifier;
 388
 389     FSRTL_COMMON_FCB_HEADER RFCB;
 390     SECTION_OBJECT_POINTERS SectionObjectPointers;
 391
 392     PFILE_OBJECT FileObject;
 393     PNTFS_VCB Vcb;
 394
 395     WCHAR *ObjectName;          /* point on filename (250 chars max) in PathName */
 396     WCHAR PathName[MAX_PATH];   /* path+filename 260 max */
 397
 398     ERESOURCE PagingIoResource;
 399     ERESOURCE MainResource;
 400
 401     LIST_ENTRY FcbListEntry;
 402     struct _FCB* ParentFcb;
 403
 404     ULONG DirIndex;
 405
 406     LONG RefCount;
 407     ULONG Flags;
 408
 409     ULONGLONG MFTIndex;
 410
 411     FILENAME_ATTRIBUTE Entry;
 412
 413 } NTFS_FCB, *PNTFS_FCB;
 414
 415 extern PNTFS_GLOBAL_DATA NtfsGlobalData;
 416
 417 //int CdfsStrcmpi( wchar_t *str1, wchar_t *str2 );
 418 //void CdfsWstrcpy( wchar_t *str1, wchar_t *str2, int max );
 419
 420
 421 /* attrib.c */
 422
 423 //VOID
 424 //NtfsDumpAttribute(PATTRIBUTE Attribute);
 425
 426 PUCHAR
 427 DecodeRun(PUCHAR DataRun,
 428           LONGLONG *DataRunOffset,
 429           ULONGLONG *DataRunLength);
 430
 431 VOID
 432 NtfsDumpFileAttributes(PFILE_RECORD_HEADER FileRecord);
 433
 434 PFILENAME_ATTRIBUTE
 435 GetFileNameFromRecord(PFILE_RECORD_HEADER FileRecord);
 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                PULONGLONG MFTIndex);
 637
 638 NTSTATUS
 639 NtfsLookupFileAt(PDEVICE_EXTENSION Vcb,
 640                  PUNICODE_STRING PathName,
 641                  PFILE_RECORD_HEADER *FileRecord,
 642                  PNTFS_ATTR_CONTEXT *DataContext,
 643                  PULONGLONG MFTIndex,
 644                  ULONGLONG CurrentMFTIndex);
 645
 646 /* misc.c */
 647
 648 BOOLEAN
 649 NtfsIsIrpTopLevel(PIRP Irp);
 650
 651 PNTFS_IRP_CONTEXT
 652 NtfsAllocateIrpContext(PDEVICE_OBJECT DeviceObject,
 653                        PIRP Irp);
 654
 655 #if 0
 656 BOOLEAN
 657 wstrcmpjoki(PWSTR s1, PWSTR s2);
 658
 659 VOID
 660 CdfsSwapString(PWCHAR Out,
 661                PUCHAR In,
 662                ULONG Count);
 663
 664 VOID
 665 CdfsDateTimeToFileTime(PFCB Fcb,
 666                        TIME *FileTime);
 667
 668 VOID
 669 CdfsFileFlagsToAttributes(PFCB Fcb,
 670                           PULONG FileAttributes);
 671 #endif
 672
 673
 674 /* rw.c */
 675
 676 DRIVER_DISPATCH NtfsFsdRead;
 677 NTSTATUS NTAPI
 678 NtfsFsdRead(PDEVICE_OBJECT DeviceObject,
 679             PIRP Irp);
 680
 681 DRIVER_DISPATCH NtfsFsdWrite;
 682 NTSTATUS NTAPI
 683 NtfsFsdWrite(PDEVICE_OBJECT DeviceObject,
 684              PIRP Irp);
 685
 686
 687 /* volinfo.c */
 688
 689 NTSTATUS
 690 NtfsQueryVolumeInformation(PNTFS_IRP_CONTEXT IrpContext);
 691
 692 NTSTATUS
 693 NtfsSetVolumeInformation(PNTFS_IRP_CONTEXT IrpContext);
 694
 695
 696 /* ntfs.c */
 697
 698 DRIVER_INITIALIZE DriverEntry;
 699
 700 VOID
 701 NTAPI
 702 NtfsInitializeFunctionPointers(PDRIVER_OBJECT DriverObject);
 703
 704 #endif /* NTFS_H */