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 #define ROUND_DOWN(N, S) ((N) - ((N) % (S)))
  14
  15 #define DEVICE_NAME L"\\Ntfs"
  16
  17 #include <pshpack1.h>
  18 typedef struct _BIOS_PARAMETERS_BLOCK
  19 {
  20     USHORT    BytesPerSector;                   // 0x0B
  21     UCHAR     SectorsPerCluster;                // 0x0D
  22     UCHAR     Unused0[7];                               // 0x0E, checked when volume is mounted
  23     UCHAR     MediaId;                          // 0x15
  24     UCHAR     Unused1[2];                               // 0x16
  25     USHORT    SectorsPerTrack;          // 0x18
  26     USHORT    Heads;                                    // 0x1A
  27     UCHAR     Unused2[4];                               // 0x1C
  28     UCHAR     Unused3[4];                               // 0x20, checked when volume is mounted
  29 } BIOS_PARAMETERS_BLOCK, *PBIOS_PARAMETERS_BLOCK;
  30
  31 typedef struct _EXTENDED_BIOS_PARAMETERS_BLOCK
  32 {
  33     USHORT    Unknown[2];                               // 0x24, always 80 00 80 00
  34     ULONGLONG SectorCount;                      // 0x28
  35     ULONGLONG MftLocation;                      // 0x30
  36     ULONGLONG MftMirrLocation;          // 0x38
  37     CHAR      ClustersPerMftRecord;     // 0x40
  38     UCHAR     Unused4[3];                               // 0x41
  39     CHAR      ClustersPerIndexRecord; // 0x44
  40     UCHAR     Unused5[3];                               // 0x45
  41     ULONGLONG SerialNumber;                     // 0x48
  42     UCHAR     Checksum[4];                      // 0x50
  43 } EXTENDED_BIOS_PARAMETERS_BLOCK, *PEXTENDED_BIOS_PARAMETERS_BLOCK;
  44
  45 typedef struct _BOOT_SECTOR
  46 {
  47     UCHAR     Jump[3];                          // 0x00
  48     UCHAR     OEMID[8];                         // 0x03
  49     BIOS_PARAMETERS_BLOCK BPB;
  50     EXTENDED_BIOS_PARAMETERS_BLOCK EBPB;
  51     UCHAR     BootStrap[426];                   // 0x54
  52     USHORT    EndSector;                                // 0x1FE
  53 } BOOT_SECTOR, *PBOOT_SECTOR;
  54 #include <poppack.h>
  55
  56 //typedef struct _BootSector BootSector;
  57
  58 typedef struct _NTFS_INFO
  59 {
  60     ULONG BytesPerSector;
  61     ULONG SectorsPerCluster;
  62     ULONG BytesPerCluster;
  63     ULONGLONG SectorCount;
  64     ULARGE_INTEGER MftStart;
  65     ULARGE_INTEGER MftMirrStart;
  66     ULONG BytesPerFileRecord;
  67     ULONG BytesPerIndexRecord;
  68
  69     ULONGLONG SerialNumber;
  70     USHORT VolumeLabelLength;
  71     WCHAR VolumeLabel[MAXIMUM_VOLUME_LABEL_LENGTH];
  72     UCHAR MajorVersion;
  73     UCHAR MinorVersion;
  74     USHORT Flags;
  75
  76 } NTFS_INFO, *PNTFS_INFO;
  77
  78 #define NTFS_TYPE_CCB         '20SF'
  79 #define NTFS_TYPE_FCB         '30SF'
  80 #define NTFS_TYPE_VCB         '50SF'
  81 #define NTFS_TYPE_IRP_CONTEST '60SF'
  82 #define NTFS_TYPE_GLOBAL_DATA '70SF'
  83
  84 typedef struct
  85 {
  86     ULONG Type;
  87     ULONG Size;
  88 } NTFSIDENTIFIER, *PNTFSIDENTIFIER;
  89
  90 typedef struct
  91 {
  92     NTFSIDENTIFIER Identifier;
  93
  94     ERESOURCE DirResource;
  95 //    ERESOURCE FatResource;
  96
  97     KSPIN_LOCK FcbListLock;
  98     LIST_ENTRY FcbListHead;
  99
 100     PVPB Vpb;
 101     PDEVICE_OBJECT StorageDevice;
 102     PFILE_OBJECT StreamFileObject;
 103
 104     struct _NTFS_ATTR_CONTEXT* MFTContext;
 105     struct _FILE_RECORD_HEADER* MasterFileTable;
 106     struct _FCB *VolumeFcb;
 107
 108     NTFS_INFO NtfsInfo;
 109
 110 } DEVICE_EXTENSION, *PDEVICE_EXTENSION, NTFS_VCB, *PNTFS_VCB;
 111
 112 typedef struct
 113 {
 114     NTFSIDENTIFIER Identifier;
 115     LIST_ENTRY     NextCCB;
 116     PFILE_OBJECT   PtrFileObject;
 117     LARGE_INTEGER  CurrentByteOffset;
 118     /* for DirectoryControl */
 119     ULONG Entry;
 120     /* for DirectoryControl */
 121     PWCHAR DirectorySearchPattern;
 122     ULONG LastCluster;
 123     ULONG LastOffset;
 124 } NTFS_CCB, *PNTFS_CCB;
 125
 126 #define TAG_CCB 'BCCI'
 127
 128 typedef struct
 129 {
 130     NTFSIDENTIFIER Identifier;
 131     ERESOURCE Resource;
 132     PDRIVER_OBJECT DriverObject;
 133     PDEVICE_OBJECT DeviceObject;
 134     CACHE_MANAGER_CALLBACKS CacheMgrCallbacks;
 135     ULONG Flags;
 136 } NTFS_GLOBAL_DATA, *PNTFS_GLOBAL_DATA;
 137
 138
 139 typedef enum
 140 {
 141     AttributeStandardInformation = 0x10,
 142     AttributeAttributeList = 0x20,
 143     AttributeFileName = 0x30,
 144     AttributeObjectId = 0x40,
 145     AttributeSecurityDescriptor = 0x50,
 146     AttributeVolumeName = 0x60,
 147     AttributeVolumeInformation = 0x70,
 148     AttributeData = 0x80,
 149     AttributeIndexRoot = 0x90,
 150     AttributeIndexAllocation = 0xA0,
 151     AttributeBitmap = 0xB0,
 152     AttributeReparsePoint = 0xC0,
 153     AttributeEAInformation = 0xD0,
 154     AttributeEA = 0xE0,
 155     AttributePropertySet = 0xF0,
 156     AttributeLoggedUtilityStream = 0x100,
 157     AttributeEnd = 0xFFFFFFFF
 158 } ATTRIBUTE_TYPE, *PATTRIBUTE_TYPE;
 159
 160 #define NTFS_FILE_MFT                0
 161 #define NTFS_FILE_MFTMIRR            1
 162 #define NTFS_FILE_LOGFILE            2
 163 #define NTFS_FILE_VOLUME            3
 164 #define NTFS_FILE_ATTRDEF            4
 165 #define NTFS_FILE_ROOT                5
 166 #define NTFS_FILE_BITMAP            6
 167 #define NTFS_FILE_BOOT                7
 168 #define NTFS_FILE_BADCLUS            8
 169 #define NTFS_FILE_QUOTA                9
 170 #define NTFS_FILE_UPCASE            10
 171 #define NTFS_FILE_EXTEND            11
 172
 173 #define NTFS_MFT_MASK 0x0000FFFFFFFFFFFFULL
 174
 175 #define COLLATION_BINARY              0x00
 176 #define COLLATION_FILE_NAME           0x01
 177 #define COLLATION_UNICODE_STRING      0x02
 178 #define COLLATION_NTOFS_ULONG         0x10
 179 #define COLLATION_NTOFS_SID           0x11
 180 #define COLLATION_NTOFS_SECURITY_HASH 0x12
 181 #define COLLATION_NTOFS_ULONGS        0x13
 182
 183 #define INDEX_ROOT_SMALL 0x0
 184 #define INDEX_ROOT_LARGE 0x1
 185
 186 #define NTFS_INDEX_ENTRY_NODE            1
 187 #define NTFS_INDEX_ENTRY_END            2
 188
 189 #define NTFS_FILE_NAME_POSIX            0
 190 #define NTFS_FILE_NAME_WIN32            1
 191 #define NTFS_FILE_NAME_DOS            2
 192 #define NTFS_FILE_NAME_WIN32_AND_DOS        3
 193
 194 #define NTFS_FILE_TYPE_READ_ONLY  0x1
 195 #define NTFS_FILE_TYPE_HIDDEN     0x2
 196 #define NTFS_FILE_TYPE_SYSTEM     0x4
 197 #define NTFS_FILE_TYPE_ARCHIVE    0x20
 198 #define NTFS_FILE_TYPE_COMPRESSED 0x800
 199 #define NTFS_FILE_TYPE_DIRECTORY  0x10000000
 200
 201 typedef struct
 202 {
 203     ULONG Type;             /* Magic number 'FILE' */
 204     USHORT UsaOffset;       /* Offset to the update sequence */
 205     USHORT UsaCount;        /* Size in words of Update Sequence Number & Array (S) */
 206     ULONGLONG Lsn;          /* $LogFile Sequence Number (LSN) */
 207 } NTFS_RECORD_HEADER, *PNTFS_RECORD_HEADER;
 208
 209 /* NTFS_RECORD_HEADER.Type */
 210 #define NRH_FILE_TYPE  0x454C4946  /* 'FILE' */
 211
 212
 213 typedef struct _FILE_RECORD_HEADER
 214 {
 215     NTFS_RECORD_HEADER Ntfs;
 216     USHORT SequenceNumber;        /* Sequence number */
 217     USHORT LinkCount;             /* Hard link count */
 218     USHORT AttributeOffset;       /* Offset to the first Attribute */
 219     USHORT Flags;                 /* Flags */
 220     ULONG BytesInUse;             /* Real size of the FILE record */
 221     ULONG BytesAllocated;         /* Allocated size of the FILE record */
 222     ULONGLONG BaseFileRecord;     /* File reference to the base FILE record */
 223     USHORT NextAttributeNumber;   /* Next Attribute Id */
 224     USHORT Pading;                /* Align to 4 UCHAR boundary (XP) */
 225     ULONG MFTRecordNumber;        /* Number of this MFT Record (XP) */
 226 } FILE_RECORD_HEADER, *PFILE_RECORD_HEADER;
 227
 228 /* Flags in FILE_RECORD_HEADER */
 229
 230 #define FRH_IN_USE    0x0001    /* Record is in use */
 231 #define FRH_DIRECTORY 0x0002    /* Record is a directory */
 232 #define FRH_UNKNOWN1  0x0004    /* Don't know */
 233 #define FRH_UNKNOWN2  0x0008    /* Don't know */
 234
 235 typedef struct
 236 {
 237     ULONG        Type;
 238     ULONG        Length;
 239     UCHAR        IsNonResident;
 240     UCHAR        NameLength;
 241     USHORT        NameOffset;
 242     USHORT        Flags;
 243     USHORT        Instance;
 244     union
 245     {
 246         // Resident attributes
 247         struct
 248         {
 249             ULONG        ValueLength;
 250             USHORT        ValueOffset;
 251             UCHAR        Flags;
 252             UCHAR        Reserved;
 253         } Resident;
 254         // Non-resident attributes
 255         struct
 256         {
 257             ULONGLONG        LowestVCN;
 258             ULONGLONG        HighestVCN;
 259             USHORT        MappingPairsOffset;
 260             USHORT        CompressionUnit;
 261             UCHAR        Reserved[4];
 262             LONGLONG        AllocatedSize;
 263             LONGLONG        DataSize;
 264             LONGLONG        InitializedSize;
 265             LONGLONG        CompressedSize;
 266         } NonResident;
 267     };
 268 } NTFS_ATTR_RECORD, *PNTFS_ATTR_RECORD;
 269
 270 typedef struct
 271 {
 272     ULONGLONG CreationTime;
 273     ULONGLONG ChangeTime;
 274     ULONGLONG LastWriteTime;
 275     ULONGLONG LastAccessTime;
 276     ULONG FileAttribute;
 277     ULONG AlignmentOrReserved[3];
 278 #if 0
 279     ULONG QuotaId;
 280     ULONG SecurityId;
 281     ULONGLONG QuotaCharge;
 282     USN Usn;
 283 #endif
 284 } STANDARD_INFORMATION, *PSTANDARD_INFORMATION;
 285
 286
 287 typedef struct
 288 {
 289     ATTRIBUTE_TYPE AttributeType;
 290     USHORT Length;
 291     UCHAR NameLength;
 292     UCHAR NameOffset;
 293     ULONGLONG StartVcn; // LowVcn
 294     ULONGLONG FileReferenceNumber;
 295     USHORT AttributeNumber;
 296     USHORT AlignmentOrReserved[3];
 297 } ATTRIBUTE_LIST, *PATTRIBUTE_LIST;
 298
 299
 300 typedef struct
 301 {
 302     ULONGLONG DirectoryFileReferenceNumber;
 303     ULONGLONG CreationTime;
 304     ULONGLONG ChangeTime;
 305     ULONGLONG LastWriteTime;
 306     ULONGLONG LastAccessTime;
 307     ULONGLONG AllocatedSize;
 308     ULONGLONG DataSize;
 309     ULONG FileAttributes;
 310     ULONG AlignmentOrReserved;
 311     UCHAR NameLength;
 312     UCHAR NameType;
 313     WCHAR Name[1];
 314 } FILENAME_ATTRIBUTE, *PFILENAME_ATTRIBUTE;
 315
 316 typedef struct
 317 {
 318     ULONG FirstEntryOffset;
 319     ULONG TotalSizeOfEntries;
 320     ULONG AllocatedSize;
 321     UCHAR Flags;
 322     UCHAR Padding[3];
 323 } INDEX_HEADER_ATTRIBUTE, *PINDEX_HEADER_ATTRIBUTE;
 324
 325 typedef struct
 326 {
 327     ULONG AttributeType;
 328     ULONG CollationRule;
 329     ULONG SizeOfEntry;
 330     UCHAR ClustersPerIndexRecord;
 331     UCHAR Padding[3];
 332     INDEX_HEADER_ATTRIBUTE Header;
 333 } INDEX_ROOT_ATTRIBUTE, *PINDEX_ROOT_ATTRIBUTE;
 334
 335 typedef struct
 336 {
 337     NTFS_RECORD_HEADER Ntfs;
 338     ULONGLONG VCN;
 339     INDEX_HEADER_ATTRIBUTE Header;
 340 } INDEX_BUFFER, *PINDEX_BUFFER;
 341
 342 typedef struct
 343 {
 344     union
 345     {
 346         struct
 347         {
 348             ULONGLONG    IndexedFile;
 349         } Directory;
 350         struct
 351         {
 352             USHORT    DataOffset;
 353             USHORT    DataLength;
 354             ULONG    Reserved;
 355         } ViewIndex;
 356     } Data;
 357     USHORT            Length;
 358     USHORT            KeyLength;
 359     USHORT            Flags;
 360     USHORT            Reserved;
 361     FILENAME_ATTRIBUTE    FileName;
 362 } INDEX_ENTRY_ATTRIBUTE, *PINDEX_ENTRY_ATTRIBUTE;
 363
 364 typedef struct
 365 {
 366     ULONGLONG Unknown1;
 367     UCHAR MajorVersion;
 368     UCHAR MinorVersion;
 369     USHORT Flags;
 370     ULONG Unknown2;
 371 } VOLINFO_ATTRIBUTE, *PVOLINFO_ATTRIBUTE;
 372
 373 typedef struct
 374 {
 375     NTFSIDENTIFIER Identifier;
 376     ULONG Flags;
 377     UCHAR MajorFunction;
 378     UCHAR MinorFunction;
 379     WORK_QUEUE_ITEM WorkQueueItem;
 380     PIRP Irp;
 381     BOOLEAN IsTopLevel;
 382     PDEVICE_OBJECT DeviceObject;
 383     NTSTATUS SavedExceptionCode;
 384 } NTFS_IRP_CONTEXT, *PNTFS_IRP_CONTEXT;
 385
 386 typedef struct _NTFS_ATTR_CONTEXT
 387 {
 388     PUCHAR            CacheRun;
 389     ULONGLONG            CacheRunOffset;
 390     LONGLONG            CacheRunStartLCN;
 391     ULONGLONG            CacheRunLength;
 392     LONGLONG            CacheRunLastLCN;
 393     ULONGLONG            CacheRunCurrentOffset;
 394     NTFS_ATTR_RECORD    Record;
 395 } NTFS_ATTR_CONTEXT, *PNTFS_ATTR_CONTEXT;
 396
 397 #define FCB_CACHE_INITIALIZED   0x0001
 398 #define FCB_IS_VOLUME_STREAM    0x0002
 399 #define FCB_IS_VOLUME           0x0004
 400 #define MAX_PATH                260
 401
 402 typedef struct _FCB
 403 {
 404     NTFSIDENTIFIER Identifier;
 405
 406     FSRTL_COMMON_FCB_HEADER RFCB;
 407     SECTION_OBJECT_POINTERS SectionObjectPointers;
 408
 409     PFILE_OBJECT FileObject;
 410     PNTFS_VCB Vcb;
 411
 412     WCHAR *ObjectName;          /* point on filename (250 chars max) in PathName */
 413     WCHAR PathName[MAX_PATH];   /* path+filename 260 max */
 414
 415     ERESOURCE PagingIoResource;
 416     ERESOURCE MainResource;
 417
 418     LIST_ENTRY FcbListEntry;
 419     struct _FCB* ParentFcb;
 420
 421     ULONG DirIndex;
 422
 423     LONG RefCount;
 424     ULONG Flags;
 425
 426     ULONGLONG MFTIndex;
 427
 428     FILENAME_ATTRIBUTE Entry;
 429
 430 } NTFS_FCB, *PNTFS_FCB;
 431
 432 extern PNTFS_GLOBAL_DATA NtfsGlobalData;
 433
 434 //int CdfsStrcmpi( wchar_t *str1, wchar_t *str2 );
 435 //void CdfsWstrcpy( wchar_t *str1, wchar_t *str2, int max );
 436
 437
 438 /* attrib.c */
 439
 440 //VOID
 441 //NtfsDumpAttribute(PATTRIBUTE Attribute);
 442
 443 PUCHAR
 444 DecodeRun(PUCHAR DataRun,
 445           LONGLONG *DataRunOffset,
 446           ULONGLONG *DataRunLength);
 447
 448 VOID
 449 NtfsDumpFileAttributes(PFILE_RECORD_HEADER FileRecord);
 450
 451 PFILENAME_ATTRIBUTE
 452 GetFileNameFromRecord(PFILE_RECORD_HEADER FileRecord, UCHAR NameType);
 453
 454 /* blockdev.c */
 455
 456 NTSTATUS
 457 NtfsReadDisk(IN PDEVICE_OBJECT DeviceObject,
 458              IN LONGLONG StartingOffset,
 459              IN ULONG Length,
 460              IN ULONG SectorSize,
 461              IN OUT PUCHAR Buffer,
 462              IN BOOLEAN Override);
 463
 464 NTSTATUS
 465 NtfsReadSectors(IN PDEVICE_OBJECT DeviceObject,
 466                 IN ULONG DiskSector,
 467                 IN ULONG SectorCount,
 468                 IN ULONG SectorSize,
 469                 IN OUT PUCHAR Buffer,
 470                 IN BOOLEAN Override);
 471
 472 NTSTATUS
 473 NtfsDeviceIoControl(IN PDEVICE_OBJECT DeviceObject,
 474                     IN ULONG ControlCode,
 475                     IN PVOID InputBuffer,
 476                     IN ULONG InputBufferSize,
 477                     IN OUT PVOID OutputBuffer,
 478                     IN OUT PULONG OutputBufferSize,
 479                     IN BOOLEAN Override);
 480
 481
 482 /* close.c */
 483
 484 NTSTATUS
 485 NtfsCloseFile(PDEVICE_EXTENSION DeviceExt,
 486               PFILE_OBJECT FileObject);
 487
 488 DRIVER_DISPATCH NtfsFsdClose;
 489 NTSTATUS NTAPI
 490 NtfsFsdClose(PDEVICE_OBJECT DeviceObject,
 491              PIRP Irp);
 492
 493
 494 /* create.c */
 495
 496 DRIVER_DISPATCH NtfsFsdCreate;
 497 NTSTATUS NTAPI
 498 NtfsFsdCreate(PDEVICE_OBJECT DeviceObject,
 499               PIRP Irp);
 500
 501
 502 /* dirctl.c */
 503
 504 DRIVER_DISPATCH NtfsFsdDirectoryControl;
 505 NTSTATUS NTAPI
 506 NtfsFsdDirectoryControl(PDEVICE_OBJECT DeviceObject,
 507                         PIRP Irp);
 508
 509
 510 /* dispatch.c */
 511
 512 DRIVER_DISPATCH NtfsFsdDispatch;
 513 NTSTATUS NTAPI
 514 NtfsFsdDispatch(PDEVICE_OBJECT DeviceObject,
 515                 PIRP Irp);
 516
 517
 518 /* fastio.c */
 519
 520 BOOLEAN NTAPI
 521 NtfsAcqLazyWrite(PVOID Context,
 522                  BOOLEAN Wait);
 523
 524 VOID NTAPI
 525 NtfsRelLazyWrite(PVOID Context);
 526
 527 BOOLEAN NTAPI
 528 NtfsAcqReadAhead(PVOID Context,
 529                  BOOLEAN Wait);
 530
 531 VOID NTAPI
 532 NtfsRelReadAhead(PVOID Context);
 533
 534
 535 /* fcb.c */
 536
 537 PNTFS_FCB
 538 NtfsCreateFCB(PCWSTR FileName,
 539               PNTFS_VCB Vcb);
 540
 541 VOID
 542 NtfsDestroyFCB(PNTFS_FCB Fcb);
 543
 544 BOOLEAN
 545 NtfsFCBIsDirectory(PNTFS_FCB Fcb);
 546
 547 BOOLEAN
 548 NtfsFCBIsRoot(PNTFS_FCB Fcb);
 549
 550 VOID
 551 NtfsGrabFCB(PNTFS_VCB Vcb,
 552             PNTFS_FCB Fcb);
 553
 554 VOID
 555 NtfsReleaseFCB(PNTFS_VCB Vcb,
 556                PNTFS_FCB Fcb);
 557
 558 VOID
 559 NtfsAddFCBToTable(PNTFS_VCB Vcb,
 560                   PNTFS_FCB Fcb);
 561
 562 PNTFS_FCB
 563 NtfsGrabFCBFromTable(PNTFS_VCB Vcb,
 564                      PCWSTR FileName);
 565
 566 NTSTATUS
 567 NtfsFCBInitializeCache(PNTFS_VCB Vcb,
 568                        PNTFS_FCB Fcb);
 569
 570 PNTFS_FCB
 571 NtfsMakeRootFCB(PNTFS_VCB Vcb);
 572
 573 PNTFS_FCB
 574 NtfsOpenRootFCB(PNTFS_VCB Vcb);
 575
 576 NTSTATUS
 577 NtfsAttachFCBToFileObject(PNTFS_VCB Vcb,
 578                           PNTFS_FCB Fcb,
 579                           PFILE_OBJECT FileObject);
 580
 581 NTSTATUS
 582 NtfsGetFCBForFile(PNTFS_VCB Vcb,
 583                   PNTFS_FCB *pParentFCB,
 584                   PNTFS_FCB *pFCB,
 585                   const PWSTR pFileName);
 586
 587
 588 /* finfo.c */
 589
 590 DRIVER_DISPATCH NtfsFsdQueryInformation;
 591 NTSTATUS NTAPI
 592 NtfsFsdQueryInformation(PDEVICE_OBJECT DeviceObject,
 593                         PIRP Irp);
 594
 595
 596 /* fsctl.c */
 597
 598 DRIVER_DISPATCH NtfsFsdFileSystemControl;
 599 NTSTATUS NTAPI
 600 NtfsFsdFileSystemControl(PDEVICE_OBJECT DeviceObject,
 601                          PIRP Irp);
 602
 603
 604 /* mft.c */
 605 VOID
 606 ReleaseAttributeContext(PNTFS_ATTR_CONTEXT Context);
 607
 608 ULONG
 609 ReadAttribute(PDEVICE_EXTENSION Vcb,
 610               PNTFS_ATTR_CONTEXT Context,
 611               ULONGLONG Offset,
 612               PCHAR Buffer,
 613               ULONG Length);
 614
 615 ULONGLONG
 616 AttributeDataLength(PNTFS_ATTR_RECORD AttrRecord);
 617
 618 ULONG
 619 AttributeAllocatedLength(PNTFS_ATTR_RECORD AttrRecord);
 620
 621 NTSTATUS
 622 ReadFileRecord(PDEVICE_EXTENSION Vcb,
 623                ULONGLONG index,
 624                PFILE_RECORD_HEADER file);
 625
 626 NTSTATUS
 627 FindAttribute(PDEVICE_EXTENSION Vcb,
 628               PFILE_RECORD_HEADER MftRecord,
 629               ULONG Type,
 630               PCWSTR Name,
 631               ULONG NameLength,
 632               PNTFS_ATTR_CONTEXT * AttrCtx);
 633
 634 VOID
 635 ReadVCN(PDEVICE_EXTENSION Vcb,
 636         PFILE_RECORD_HEADER file,
 637         ATTRIBUTE_TYPE type,
 638         ULONGLONG vcn,
 639         ULONG count,
 640         PVOID buffer);
 641
 642 NTSTATUS
 643 FixupUpdateSequenceArray(PDEVICE_EXTENSION Vcb,
 644                          PNTFS_RECORD_HEADER Record);
 645
 646 NTSTATUS
 647 ReadLCN(PDEVICE_EXTENSION Vcb,
 648         ULONGLONG lcn,
 649         ULONG count,
 650         PVOID buffer);
 651
 652 VOID
 653 EnumerAttribute(PFILE_RECORD_HEADER file,
 654                 PDEVICE_EXTENSION Vcb,
 655                 PDEVICE_OBJECT DeviceObject);
 656
 657 NTSTATUS
 658 NtfsLookupFile(PDEVICE_EXTENSION Vcb,
 659                PUNICODE_STRING PathName,
 660                PFILE_RECORD_HEADER *FileRecord,
 661                PNTFS_ATTR_CONTEXT *DataContext,
 662                PULONGLONG MFTIndex);
 663
 664 NTSTATUS
 665 NtfsLookupFileAt(PDEVICE_EXTENSION Vcb,
 666                  PUNICODE_STRING PathName,
 667                  PFILE_RECORD_HEADER *FileRecord,
 668                  PNTFS_ATTR_CONTEXT *DataContext,
 669                  PULONGLONG MFTIndex,
 670                  ULONGLONG CurrentMFTIndex);
 671
 672 NTSTATUS
 673 NtfsFindFileAt(PDEVICE_EXTENSION Vcb,
 674                PUNICODE_STRING SearchPattern,
 675                PULONG FirstEntry,
 676                PFILE_RECORD_HEADER *FileRecord,
 677                PNTFS_ATTR_CONTEXT *DataContext,
 678                PULONGLONG MFTIndex,
 679                ULONGLONG CurrentMFTIndex);
 680
 681 /* misc.c */
 682
 683 BOOLEAN
 684 NtfsIsIrpTopLevel(PIRP Irp);
 685
 686 PNTFS_IRP_CONTEXT
 687 NtfsAllocateIrpContext(PDEVICE_OBJECT DeviceObject,
 688                        PIRP Irp);
 689
 690 #if 0
 691 BOOLEAN
 692 wstrcmpjoki(PWSTR s1, PWSTR s2);
 693
 694 VOID
 695 CdfsSwapString(PWCHAR Out,
 696                PUCHAR In,
 697                ULONG Count);
 698 #endif
 699
 700 VOID
 701 NtfsFileFlagsToAttributes(ULONG NtfsAttributes,
 702                           PULONG FileAttributes);
 703
 704
 705 /* rw.c */
 706
 707 DRIVER_DISPATCH NtfsFsdRead;
 708 NTSTATUS NTAPI
 709 NtfsFsdRead(PDEVICE_OBJECT DeviceObject,
 710             PIRP Irp);
 711
 712 DRIVER_DISPATCH NtfsFsdWrite;
 713 NTSTATUS NTAPI
 714 NtfsFsdWrite(PDEVICE_OBJECT DeviceObject,
 715              PIRP Irp);
 716
 717
 718 /* volinfo.c */
 719
 720 ULONGLONG
 721 NtfsGetFreeClusters(PDEVICE_EXTENSION DeviceExt);
 722
 723 NTSTATUS
 724 NtfsQueryVolumeInformation(PNTFS_IRP_CONTEXT IrpContext);
 725
 726 NTSTATUS
 727 NtfsSetVolumeInformation(PNTFS_IRP_CONTEXT IrpContext);
 728
 729
 730 /* ntfs.c */
 731
 732 DRIVER_INITIALIZE DriverEntry;
 733
 734 VOID
 735 NTAPI
 736 NtfsInitializeFunctionPointers(PDRIVER_OBJECT DriverObject);
 737
 738 #endif /* NTFS_H */