reactos/drivers/filesystems/ntfs/ntfs.h

   1 #ifndef NTFS_H
   2 #define NTFS_H
   3
   4 #include <ntifs.h>
   5 #include <pseh/pseh2.h>
   6
   7 #define CACHEPAGESIZE(pDeviceExt) \
   8         ((pDeviceExt)->NtfsInfo.UCHARsPerCluster > PAGE_SIZE ? \
   9          (pDeviceExt)->NtfsInfo.UCHARsPerCluster : PAGE_SIZE)
  10
  11 #define TAG_NTFS 'SFTN'
  12
  13 #define ROUND_UP(N, S) ((((N) + (S) - 1) / (S)) * (S))
  14 #define ROUND_DOWN(N, S) ((N) - ((N) % (S)))
  15
  16 #define DEVICE_NAME L"\\Ntfs"
  17
  18 #include <pshpack1.h>
  19 typedef struct _BIOS_PARAMETERS_BLOCK
  20 {
  21     USHORT    BytesPerSector;                   // 0x0B
  22     UCHAR     SectorsPerCluster;                // 0x0D
  23     UCHAR     Unused0[7];                               // 0x0E, checked when volume is mounted
  24     UCHAR     MediaId;                          // 0x15
  25     UCHAR     Unused1[2];                               // 0x16
  26     USHORT    SectorsPerTrack;          // 0x18
  27     USHORT    Heads;                                    // 0x1A
  28     UCHAR     Unused2[4];                               // 0x1C
  29     UCHAR     Unused3[4];                               // 0x20, checked when volume is mounted
  30 } BIOS_PARAMETERS_BLOCK, *PBIOS_PARAMETERS_BLOCK;
  31
  32 typedef struct _EXTENDED_BIOS_PARAMETERS_BLOCK
  33 {
  34     USHORT    Unknown[2];                               // 0x24, always 80 00 80 00
  35     ULONGLONG SectorCount;                      // 0x28
  36     ULONGLONG MftLocation;                      // 0x30
  37     ULONGLONG MftMirrLocation;          // 0x38
  38     CHAR      ClustersPerMftRecord;     // 0x40
  39     UCHAR     Unused4[3];                               // 0x41
  40     CHAR      ClustersPerIndexRecord; // 0x44
  41     UCHAR     Unused5[3];                               // 0x45
  42     ULONGLONG SerialNumber;                     // 0x48
  43     UCHAR     Checksum[4];                      // 0x50
  44 } EXTENDED_BIOS_PARAMETERS_BLOCK, *PEXTENDED_BIOS_PARAMETERS_BLOCK;
  45
  46 typedef struct _BOOT_SECTOR
  47 {
  48     UCHAR     Jump[3];                          // 0x00
  49     UCHAR     OEMID[8];                         // 0x03
  50     BIOS_PARAMETERS_BLOCK BPB;
  51     EXTENDED_BIOS_PARAMETERS_BLOCK EBPB;
  52     UCHAR     BootStrap[426];                   // 0x54
  53     USHORT    EndSector;                                // 0x1FE
  54 } BOOT_SECTOR, *PBOOT_SECTOR;
  55 #include <poppack.h>
  56
  57 //typedef struct _BootSector BootSector;
  58
  59 typedef struct _NTFS_INFO
  60 {
  61     ULONG BytesPerSector;
  62     ULONG SectorsPerCluster;
  63     ULONG BytesPerCluster;
  64     ULONGLONG SectorCount;
  65     ULONGLONG ClusterCount;
  66     ULARGE_INTEGER MftStart;
  67     ULARGE_INTEGER MftMirrStart;
  68     ULONG BytesPerFileRecord;
  69     ULONG BytesPerIndexRecord;
  70
  71     ULONGLONG SerialNumber;
  72     USHORT VolumeLabelLength;
  73     WCHAR VolumeLabel[MAXIMUM_VOLUME_LABEL_LENGTH];
  74     UCHAR MajorVersion;
  75     UCHAR MinorVersion;
  76     USHORT Flags;
  77
  78     ULONG MftZoneReservation;
  79 } NTFS_INFO, *PNTFS_INFO;
  80
  81 #define NTFS_TYPE_CCB         '20SF'
  82 #define NTFS_TYPE_FCB         '30SF'
  83 #define NTFS_TYPE_VCB         '50SF'
  84 #define NTFS_TYPE_IRP_CONTEST '60SF'
  85 #define NTFS_TYPE_GLOBAL_DATA '70SF'
  86
  87 typedef struct
  88 {
  89     ULONG Type;
  90     ULONG Size;
  91 } NTFSIDENTIFIER, *PNTFSIDENTIFIER;
  92
  93 typedef struct
  94 {
  95     NTFSIDENTIFIER Identifier;
  96
  97     ERESOURCE DirResource;
  98 //    ERESOURCE FatResource;
  99
 100     KSPIN_LOCK FcbListLock;
 101     LIST_ENTRY FcbListHead;
 102
 103     PVPB Vpb;
 104     PDEVICE_OBJECT StorageDevice;
 105     PFILE_OBJECT StreamFileObject;
 106
 107     struct _NTFS_ATTR_CONTEXT* MFTContext;
 108     struct _FILE_RECORD_HEADER* MasterFileTable;
 109     struct _FCB *VolumeFcb;
 110
 111     NTFS_INFO NtfsInfo;
 112
 113 } DEVICE_EXTENSION, *PDEVICE_EXTENSION, NTFS_VCB, *PNTFS_VCB;
 114
 115 typedef struct
 116 {
 117     NTFSIDENTIFIER Identifier;
 118     LIST_ENTRY     NextCCB;
 119     PFILE_OBJECT   PtrFileObject;
 120     LARGE_INTEGER  CurrentByteOffset;
 121     /* for DirectoryControl */
 122     ULONG Entry;
 123     /* for DirectoryControl */
 124     PWCHAR DirectorySearchPattern;
 125     ULONG LastCluster;
 126     ULONG LastOffset;
 127 } NTFS_CCB, *PNTFS_CCB;
 128
 129 #define TAG_CCB 'BCCI'
 130
 131 typedef struct
 132 {
 133     NTFSIDENTIFIER Identifier;
 134     ERESOURCE Resource;
 135     PDRIVER_OBJECT DriverObject;
 136     PDEVICE_OBJECT DeviceObject;
 137     CACHE_MANAGER_CALLBACKS CacheMgrCallbacks;
 138     ULONG Flags;
 139     FAST_IO_DISPATCH FastIoDispatch;
 140 } NTFS_GLOBAL_DATA, *PNTFS_GLOBAL_DATA;
 141
 142
 143 typedef enum
 144 {
 145     AttributeStandardInformation = 0x10,
 146     AttributeAttributeList = 0x20,
 147     AttributeFileName = 0x30,
 148     AttributeObjectId = 0x40,
 149     AttributeSecurityDescriptor = 0x50,
 150     AttributeVolumeName = 0x60,
 151     AttributeVolumeInformation = 0x70,
 152     AttributeData = 0x80,
 153     AttributeIndexRoot = 0x90,
 154     AttributeIndexAllocation = 0xA0,
 155     AttributeBitmap = 0xB0,
 156     AttributeReparsePoint = 0xC0,
 157     AttributeEAInformation = 0xD0,
 158     AttributeEA = 0xE0,
 159     AttributePropertySet = 0xF0,
 160     AttributeLoggedUtilityStream = 0x100,
 161     AttributeEnd = 0xFFFFFFFF
 162 } ATTRIBUTE_TYPE, *PATTRIBUTE_TYPE;
 163
 164 #define NTFS_FILE_MFT                0
 165 #define NTFS_FILE_MFTMIRR            1
 166 #define NTFS_FILE_LOGFILE            2
 167 #define NTFS_FILE_VOLUME            3
 168 #define NTFS_FILE_ATTRDEF            4
 169 #define NTFS_FILE_ROOT                5
 170 #define NTFS_FILE_BITMAP            6
 171 #define NTFS_FILE_BOOT                7
 172 #define NTFS_FILE_BADCLUS            8
 173 #define NTFS_FILE_QUOTA                9
 174 #define NTFS_FILE_UPCASE            10
 175 #define NTFS_FILE_EXTEND            11
 176
 177 #define NTFS_MFT_MASK 0x0000FFFFFFFFFFFFULL
 178
 179 #define COLLATION_BINARY              0x00
 180 #define COLLATION_FILE_NAME           0x01
 181 #define COLLATION_UNICODE_STRING      0x02
 182 #define COLLATION_NTOFS_ULONG         0x10
 183 #define COLLATION_NTOFS_SID           0x11
 184 #define COLLATION_NTOFS_SECURITY_HASH 0x12
 185 #define COLLATION_NTOFS_ULONGS        0x13
 186
 187 #define INDEX_ROOT_SMALL 0x0
 188 #define INDEX_ROOT_LARGE 0x1
 189
 190 #define NTFS_INDEX_ENTRY_NODE            1
 191 #define NTFS_INDEX_ENTRY_END            2
 192
 193 #define NTFS_FILE_NAME_POSIX            0
 194 #define NTFS_FILE_NAME_WIN32            1
 195 #define NTFS_FILE_NAME_DOS            2
 196 #define NTFS_FILE_NAME_WIN32_AND_DOS        3
 197
 198 #define NTFS_FILE_TYPE_READ_ONLY  0x1
 199 #define NTFS_FILE_TYPE_HIDDEN     0x2
 200 #define NTFS_FILE_TYPE_SYSTEM     0x4
 201 #define NTFS_FILE_TYPE_ARCHIVE    0x20
 202 #define NTFS_FILE_TYPE_REPARSE    0x400
 203 #define NTFS_FILE_TYPE_COMPRESSED 0x800
 204 #define NTFS_FILE_TYPE_DIRECTORY  0x10000000
 205
 206 typedef struct
 207 {
 208     ULONG Type;             /* Magic number 'FILE' */
 209     USHORT UsaOffset;       /* Offset to the update sequence */
 210     USHORT UsaCount;        /* Size in words of Update Sequence Number & Array (S) */
 211     ULONGLONG Lsn;          /* $LogFile Sequence Number (LSN) */
 212 } NTFS_RECORD_HEADER, *PNTFS_RECORD_HEADER;
 213
 214 /* NTFS_RECORD_HEADER.Type */
 215 #define NRH_FILE_TYPE  0x454C4946  /* 'FILE' */
 216 #define NRH_INDX_TYPE  0x58444E49  /* 'INDX' */
 217
 218
 219 typedef struct _FILE_RECORD_HEADER
 220 {
 221     NTFS_RECORD_HEADER Ntfs;
 222     USHORT SequenceNumber;        /* Sequence number */
 223     USHORT LinkCount;             /* Hard link count */
 224     USHORT AttributeOffset;       /* Offset to the first Attribute */
 225     USHORT Flags;                 /* Flags */
 226     ULONG BytesInUse;             /* Real size of the FILE record */
 227     ULONG BytesAllocated;         /* Allocated size of the FILE record */
 228     ULONGLONG BaseFileRecord;     /* File reference to the base FILE record */
 229     USHORT NextAttributeNumber;   /* Next Attribute Id */
 230     USHORT Pading;                /* Align to 4 UCHAR boundary (XP) */
 231     ULONG MFTRecordNumber;        /* Number of this MFT Record (XP) */
 232 } FILE_RECORD_HEADER, *PFILE_RECORD_HEADER;
 233
 234 /* Flags in FILE_RECORD_HEADER */
 235
 236 #define FRH_IN_USE    0x0001    /* Record is in use */
 237 #define FRH_DIRECTORY 0x0002    /* Record is a directory */
 238 #define FRH_UNKNOWN1  0x0004    /* Don't know */
 239 #define FRH_UNKNOWN2  0x0008    /* Don't know */
 240
 241 typedef struct
 242 {
 243     ULONG        Type;
 244     ULONG        Length;
 245     UCHAR        IsNonResident;
 246     UCHAR        NameLength;
 247     USHORT        NameOffset;
 248     USHORT        Flags;
 249     USHORT        Instance;
 250     union
 251     {
 252         // Resident attributes
 253         struct
 254         {
 255             ULONG        ValueLength;
 256             USHORT        ValueOffset;
 257             UCHAR        Flags;
 258             UCHAR        Reserved;
 259         } Resident;
 260         // Non-resident attributes
 261         struct
 262         {
 263             ULONGLONG        LowestVCN;
 264             ULONGLONG        HighestVCN;
 265             USHORT        MappingPairsOffset;
 266             USHORT        CompressionUnit;
 267             UCHAR        Reserved[4];
 268             LONGLONG        AllocatedSize;
 269             LONGLONG        DataSize;
 270             LONGLONG        InitializedSize;
 271             LONGLONG        CompressedSize;
 272         } NonResident;
 273     };
 274 } NTFS_ATTR_RECORD, *PNTFS_ATTR_RECORD;
 275
 276 typedef struct
 277 {
 278     ULONGLONG CreationTime;
 279     ULONGLONG ChangeTime;
 280     ULONGLONG LastWriteTime;
 281     ULONGLONG LastAccessTime;
 282     ULONG FileAttribute;
 283     ULONG AlignmentOrReserved[3];
 284 #if 0
 285     ULONG QuotaId;
 286     ULONG SecurityId;
 287     ULONGLONG QuotaCharge;
 288     USN Usn;
 289 #endif
 290 } STANDARD_INFORMATION, *PSTANDARD_INFORMATION;
 291
 292
 293 typedef struct
 294 {
 295     ATTRIBUTE_TYPE AttributeType;
 296     USHORT Length;
 297     UCHAR NameLength;
 298     UCHAR NameOffset;
 299     ULONGLONG StartVcn; // LowVcn
 300     ULONGLONG FileReferenceNumber;
 301     USHORT AttributeNumber;
 302     USHORT AlignmentOrReserved[3];
 303 } ATTRIBUTE_LIST, *PATTRIBUTE_LIST;
 304
 305
 306 typedef struct
 307 {
 308     ULONGLONG DirectoryFileReferenceNumber;
 309     ULONGLONG CreationTime;
 310     ULONGLONG ChangeTime;
 311     ULONGLONG LastWriteTime;
 312     ULONGLONG LastAccessTime;
 313     ULONGLONG AllocatedSize;
 314     ULONGLONG DataSize;
 315     ULONG FileAttributes;
 316     union
 317     {
 318         struct
 319         {
 320             USHORT PackedEaSize;
 321             USHORT AlignmentOrReserved;
 322         } EaInfo;
 323         ULONG ReparseTag;
 324     } Extended;
 325     UCHAR NameLength;
 326     UCHAR NameType;
 327     WCHAR Name[1];
 328 } FILENAME_ATTRIBUTE, *PFILENAME_ATTRIBUTE;
 329
 330 typedef struct
 331 {
 332     ULONG FirstEntryOffset;
 333     ULONG TotalSizeOfEntries;
 334     ULONG AllocatedSize;
 335     UCHAR Flags;
 336     UCHAR Padding[3];
 337 } INDEX_HEADER_ATTRIBUTE, *PINDEX_HEADER_ATTRIBUTE;
 338
 339 typedef struct
 340 {
 341     ULONG AttributeType;
 342     ULONG CollationRule;
 343     ULONG SizeOfEntry;
 344     UCHAR ClustersPerIndexRecord;
 345     UCHAR Padding[3];
 346     INDEX_HEADER_ATTRIBUTE Header;
 347 } INDEX_ROOT_ATTRIBUTE, *PINDEX_ROOT_ATTRIBUTE;
 348
 349 typedef struct
 350 {
 351     NTFS_RECORD_HEADER Ntfs;
 352     ULONGLONG VCN;
 353     INDEX_HEADER_ATTRIBUTE Header;
 354 } INDEX_BUFFER, *PINDEX_BUFFER;
 355
 356 typedef struct
 357 {
 358     union
 359     {
 360         struct
 361         {
 362             ULONGLONG    IndexedFile;
 363         } Directory;
 364         struct
 365         {
 366             USHORT    DataOffset;
 367             USHORT    DataLength;
 368             ULONG    Reserved;
 369         } ViewIndex;
 370     } Data;
 371     USHORT            Length;
 372     USHORT            KeyLength;
 373     USHORT            Flags;
 374     USHORT            Reserved;
 375     FILENAME_ATTRIBUTE    FileName;
 376 } INDEX_ENTRY_ATTRIBUTE, *PINDEX_ENTRY_ATTRIBUTE;
 377
 378 typedef struct
 379 {
 380     ULONGLONG Unknown1;
 381     UCHAR MajorVersion;
 382     UCHAR MinorVersion;
 383     USHORT Flags;
 384     ULONG Unknown2;
 385 } VOLINFO_ATTRIBUTE, *PVOLINFO_ATTRIBUTE;
 386
 387 typedef struct {
 388     ULONG ReparseTag;
 389     USHORT DataLength;
 390     USHORT Reserved;
 391     UCHAR Data[1];
 392 } REPARSE_POINT_ATTRIBUTE, *PREPARSE_POINT_ATTRIBUTE;
 393
 394 #define IRPCONTEXT_CANWAIT 0x1
 395
 396 typedef struct
 397 {
 398     NTFSIDENTIFIER Identifier;
 399     ULONG Flags;
 400     PIO_STACK_LOCATION Stack;
 401     UCHAR MajorFunction;
 402     UCHAR MinorFunction;
 403     WORK_QUEUE_ITEM WorkQueueItem;
 404     PIRP Irp;
 405     BOOLEAN IsTopLevel;
 406     PDEVICE_OBJECT DeviceObject;
 407     PFILE_OBJECT FileObject;
 408     NTSTATUS SavedExceptionCode;
 409     CCHAR PriorityBoost;
 410 } NTFS_IRP_CONTEXT, *PNTFS_IRP_CONTEXT;
 411
 412 typedef struct _NTFS_ATTR_CONTEXT
 413 {
 414     PUCHAR            CacheRun;
 415     ULONGLONG            CacheRunOffset;
 416     LONGLONG            CacheRunStartLCN;
 417     ULONGLONG            CacheRunLength;
 418     LONGLONG            CacheRunLastLCN;
 419     ULONGLONG            CacheRunCurrentOffset;
 420     NTFS_ATTR_RECORD    Record;
 421 } NTFS_ATTR_CONTEXT, *PNTFS_ATTR_CONTEXT;
 422
 423 #define FCB_CACHE_INITIALIZED   0x0001
 424 #define FCB_IS_VOLUME_STREAM    0x0002
 425 #define FCB_IS_VOLUME           0x0004
 426 #define MAX_PATH                260
 427
 428 typedef struct _FCB
 429 {
 430     NTFSIDENTIFIER Identifier;
 431
 432     FSRTL_COMMON_FCB_HEADER RFCB;
 433     SECTION_OBJECT_POINTERS SectionObjectPointers;
 434
 435     PFILE_OBJECT FileObject;
 436     PNTFS_VCB Vcb;
 437
 438     WCHAR *ObjectName;          /* point on filename (250 chars max) in PathName */
 439     WCHAR PathName[MAX_PATH];   /* path+filename 260 max */
 440
 441     ERESOURCE PagingIoResource;
 442     ERESOURCE MainResource;
 443
 444     LIST_ENTRY FcbListEntry;
 445     struct _FCB* ParentFcb;
 446
 447     ULONG DirIndex;
 448
 449     LONG RefCount;
 450     ULONG Flags;
 451
 452     ULONGLONG MFTIndex;
 453     USHORT LinkCount;
 454
 455     FILENAME_ATTRIBUTE Entry;
 456
 457 } NTFS_FCB, *PNTFS_FCB;
 458
 459 extern PNTFS_GLOBAL_DATA NtfsGlobalData;
 460
 461 //int CdfsStrcmpi( wchar_t *str1, wchar_t *str2 );
 462 //void CdfsWstrcpy( wchar_t *str1, wchar_t *str2, int max );
 463
 464
 465 /* attrib.c */
 466
 467 //VOID
 468 //NtfsDumpAttribute(PATTRIBUTE Attribute);
 469
 470 PUCHAR
 471 DecodeRun(PUCHAR DataRun,
 472           LONGLONG *DataRunOffset,
 473           ULONGLONG *DataRunLength);
 474
 475 VOID
 476 NtfsDumpFileAttributes(PFILE_RECORD_HEADER FileRecord);
 477
 478 PSTANDARD_INFORMATION
 479 GetStandardInformationFromRecord(PFILE_RECORD_HEADER FileRecord);
 480
 481 PFILENAME_ATTRIBUTE
 482 GetFileNameFromRecord(PFILE_RECORD_HEADER FileRecord, UCHAR NameType);
 483
 484 PFILENAME_ATTRIBUTE
 485 GetBestFileNameFromRecord(PFILE_RECORD_HEADER FileRecord);
 486
 487 /* blockdev.c */
 488
 489 NTSTATUS
 490 NtfsReadDisk(IN PDEVICE_OBJECT DeviceObject,
 491              IN LONGLONG StartingOffset,
 492              IN ULONG Length,
 493              IN ULONG SectorSize,
 494              IN OUT PUCHAR Buffer,
 495              IN BOOLEAN Override);
 496
 497 NTSTATUS
 498 NtfsReadSectors(IN PDEVICE_OBJECT DeviceObject,
 499                 IN ULONG DiskSector,
 500                 IN ULONG SectorCount,
 501                 IN ULONG SectorSize,
 502                 IN OUT PUCHAR Buffer,
 503                 IN BOOLEAN Override);
 504
 505 NTSTATUS
 506 NtfsDeviceIoControl(IN PDEVICE_OBJECT DeviceObject,
 507                     IN ULONG ControlCode,
 508                     IN PVOID InputBuffer,
 509                     IN ULONG InputBufferSize,
 510                     IN OUT PVOID OutputBuffer,
 511                     IN OUT PULONG OutputBufferSize,
 512                     IN BOOLEAN Override);
 513
 514
 515 /* close.c */
 516
 517 NTSTATUS
 518 NtfsCloseFile(PDEVICE_EXTENSION DeviceExt,
 519               PFILE_OBJECT FileObject);
 520
 521 DRIVER_DISPATCH NtfsFsdClose;
 522 NTSTATUS NTAPI
 523 NtfsFsdClose(PDEVICE_OBJECT DeviceObject,
 524              PIRP Irp);
 525
 526
 527 /* create.c */
 528
 529 DRIVER_DISPATCH NtfsFsdCreate;
 530 NTSTATUS NTAPI
 531 NtfsFsdCreate(PDEVICE_OBJECT DeviceObject,
 532               PIRP Irp);
 533
 534
 535 /* devctl.c */
 536
 537 DRIVER_DISPATCH NtfsFsdDeviceControl;
 538 NTSTATUS NTAPI
 539 NtfsFsdDeviceControl(PDEVICE_OBJECT DeviceObject,
 540                      PIRP Irp);
 541
 542
 543 /* dirctl.c */
 544
 545 NTSTATUS
 546 NtfsDirectoryControl(PNTFS_IRP_CONTEXT IrpContext);
 547
 548
 549 /* dispatch.c */
 550
 551 DRIVER_DISPATCH NtfsFsdDispatch;
 552 NTSTATUS NTAPI
 553 NtfsFsdDispatch(PDEVICE_OBJECT DeviceObject,
 554                 PIRP Irp);
 555
 556
 557 /* fastio.c */
 558
 559 BOOLEAN NTAPI
 560 NtfsAcqLazyWrite(PVOID Context,
 561                  BOOLEAN Wait);
 562
 563 VOID NTAPI
 564 NtfsRelLazyWrite(PVOID Context);
 565
 566 BOOLEAN NTAPI
 567 NtfsAcqReadAhead(PVOID Context,
 568                  BOOLEAN Wait);
 569
 570 VOID NTAPI
 571 NtfsRelReadAhead(PVOID Context);
 572
 573 FAST_IO_CHECK_IF_POSSIBLE NtfsFastIoCheckIfPossible;
 574 FAST_IO_READ NtfsFastIoRead;
 575 FAST_IO_WRITE NtfsFastIoWrite;
 576
 577
 578 /* fcb.c */
 579
 580 PNTFS_FCB
 581 NtfsCreateFCB(PCWSTR FileName,
 582               PNTFS_VCB Vcb);
 583
 584 VOID
 585 NtfsDestroyFCB(PNTFS_FCB Fcb);
 586
 587 BOOLEAN
 588 NtfsFCBIsDirectory(PNTFS_FCB Fcb);
 589
 590 BOOLEAN
 591 NtfsFCBIsReparsePoint(PNTFS_FCB Fcb);
 592
 593 BOOLEAN
 594 NtfsFCBIsRoot(PNTFS_FCB Fcb);
 595
 596 VOID
 597 NtfsGrabFCB(PNTFS_VCB Vcb,
 598             PNTFS_FCB Fcb);
 599
 600 VOID
 601 NtfsReleaseFCB(PNTFS_VCB Vcb,
 602                PNTFS_FCB Fcb);
 603
 604 VOID
 605 NtfsAddFCBToTable(PNTFS_VCB Vcb,
 606                   PNTFS_FCB Fcb);
 607
 608 PNTFS_FCB
 609 NtfsGrabFCBFromTable(PNTFS_VCB Vcb,
 610                      PCWSTR FileName);
 611
 612 NTSTATUS
 613 NtfsFCBInitializeCache(PNTFS_VCB Vcb,
 614                        PNTFS_FCB Fcb);
 615
 616 PNTFS_FCB
 617 NtfsMakeRootFCB(PNTFS_VCB Vcb);
 618
 619 PNTFS_FCB
 620 NtfsOpenRootFCB(PNTFS_VCB Vcb);
 621
 622 NTSTATUS
 623 NtfsAttachFCBToFileObject(PNTFS_VCB Vcb,
 624                           PNTFS_FCB Fcb,
 625                           PFILE_OBJECT FileObject);
 626
 627 NTSTATUS
 628 NtfsGetFCBForFile(PNTFS_VCB Vcb,
 629                   PNTFS_FCB *pParentFCB,
 630                   PNTFS_FCB *pFCB,
 631                   const PWSTR pFileName);
 632
 633 NTSTATUS
 634 NtfsReadFCBAttribute(PNTFS_VCB Vcb,
 635                      PNTFS_FCB pFCB,
 636                      ULONG Type,
 637                      PCWSTR Name,
 638                      ULONG NameLength,
 639                      PVOID * Data);
 640
 641
 642 /* finfo.c */
 643
 644 NTSTATUS
 645 NtfsQueryInformation(PNTFS_IRP_CONTEXT IrpContext);
 646
 647
 648 /* fsctl.c */
 649
 650 DRIVER_DISPATCH NtfsFsdFileSystemControl;
 651 NTSTATUS NTAPI
 652 NtfsFsdFileSystemControl(PDEVICE_OBJECT DeviceObject,
 653                          PIRP Irp);
 654
 655
 656 /* mft.c */
 657 VOID
 658 ReleaseAttributeContext(PNTFS_ATTR_CONTEXT Context);
 659
 660 ULONG
 661 ReadAttribute(PDEVICE_EXTENSION Vcb,
 662               PNTFS_ATTR_CONTEXT Context,
 663               ULONGLONG Offset,
 664               PCHAR Buffer,
 665               ULONG Length);
 666
 667 ULONGLONG
 668 AttributeDataLength(PNTFS_ATTR_RECORD AttrRecord);
 669
 670 ULONG
 671 AttributeAllocatedLength(PNTFS_ATTR_RECORD AttrRecord);
 672
 673 NTSTATUS
 674 ReadFileRecord(PDEVICE_EXTENSION Vcb,
 675                ULONGLONG index,
 676                PFILE_RECORD_HEADER file);
 677
 678 NTSTATUS
 679 FindAttribute(PDEVICE_EXTENSION Vcb,
 680               PFILE_RECORD_HEADER MftRecord,
 681               ULONG Type,
 682               PCWSTR Name,
 683               ULONG NameLength,
 684               PNTFS_ATTR_CONTEXT * AttrCtx);
 685
 686 VOID
 687 ReadVCN(PDEVICE_EXTENSION Vcb,
 688         PFILE_RECORD_HEADER file,
 689         ATTRIBUTE_TYPE type,
 690         ULONGLONG vcn,
 691         ULONG count,
 692         PVOID buffer);
 693
 694 NTSTATUS
 695 FixupUpdateSequenceArray(PDEVICE_EXTENSION Vcb,
 696                          PNTFS_RECORD_HEADER Record);
 697
 698 NTSTATUS
 699 ReadLCN(PDEVICE_EXTENSION Vcb,
 700         ULONGLONG lcn,
 701         ULONG count,
 702         PVOID buffer);
 703
 704 VOID
 705 EnumerAttribute(PFILE_RECORD_HEADER file,
 706                 PDEVICE_EXTENSION Vcb,
 707                 PDEVICE_OBJECT DeviceObject);
 708
 709 NTSTATUS
 710 NtfsLookupFile(PDEVICE_EXTENSION Vcb,
 711                PUNICODE_STRING PathName,
 712                PFILE_RECORD_HEADER *FileRecord,
 713                PNTFS_ATTR_CONTEXT *DataContext,
 714                PULONGLONG MFTIndex);
 715
 716 NTSTATUS
 717 NtfsLookupFileAt(PDEVICE_EXTENSION Vcb,
 718                  PUNICODE_STRING PathName,
 719                  PFILE_RECORD_HEADER *FileRecord,
 720                  PNTFS_ATTR_CONTEXT *DataContext,
 721                  PULONGLONG MFTIndex,
 722                  ULONGLONG CurrentMFTIndex);
 723
 724 NTSTATUS
 725 NtfsFindFileAt(PDEVICE_EXTENSION Vcb,
 726                PUNICODE_STRING SearchPattern,
 727                PULONG FirstEntry,
 728                PFILE_RECORD_HEADER *FileRecord,
 729                PNTFS_ATTR_CONTEXT *DataContext,
 730                PULONGLONG MFTIndex,
 731                ULONGLONG CurrentMFTIndex);
 732
 733 /* misc.c */
 734
 735 BOOLEAN
 736 NtfsIsIrpTopLevel(PIRP Irp);
 737
 738 PNTFS_IRP_CONTEXT
 739 NtfsAllocateIrpContext(PDEVICE_OBJECT DeviceObject,
 740                        PIRP Irp);
 741
 742 PVOID
 743 NtfsGetUserBuffer(PIRP Irp);
 744
 745 #if 0
 746 BOOLEAN
 747 wstrcmpjoki(PWSTR s1, PWSTR s2);
 748
 749 VOID
 750 CdfsSwapString(PWCHAR Out,
 751                PUCHAR In,
 752                ULONG Count);
 753 #endif
 754
 755 VOID
 756 NtfsFileFlagsToAttributes(ULONG NtfsAttributes,
 757                           PULONG FileAttributes);
 758
 759
 760 /* rw.c */
 761
 762 DRIVER_DISPATCH NtfsFsdRead;
 763 NTSTATUS NTAPI
 764 NtfsFsdRead(PDEVICE_OBJECT DeviceObject,
 765             PIRP Irp);
 766
 767 DRIVER_DISPATCH NtfsFsdWrite;
 768 NTSTATUS NTAPI
 769 NtfsFsdWrite(PDEVICE_OBJECT DeviceObject,
 770              PIRP Irp);
 771
 772
 773 /* volinfo.c */
 774
 775 ULONGLONG
 776 NtfsGetFreeClusters(PDEVICE_EXTENSION DeviceExt);
 777
 778 NTSTATUS
 779 NtfsQueryVolumeInformation(PNTFS_IRP_CONTEXT IrpContext);
 780
 781 NTSTATUS
 782 NtfsSetVolumeInformation(PNTFS_IRP_CONTEXT IrpContext);
 783
 784
 785 /* ntfs.c */
 786
 787 DRIVER_INITIALIZE DriverEntry;
 788
 789 VOID
 790 NTAPI
 791 NtfsInitializeFunctionPointers(PDRIVER_OBJECT DriverObject);
 792
 793 #endif /* NTFS_H */