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 #define TAG_FCB 'BCFI'
 131
 132 typedef struct
 133 {
 134     NTFSIDENTIFIER Identifier;
 135     ERESOURCE Resource;
 136     PDRIVER_OBJECT DriverObject;
 137     PDEVICE_OBJECT DeviceObject;
 138     CACHE_MANAGER_CALLBACKS CacheMgrCallbacks;
 139     ULONG Flags;
 140     FAST_IO_DISPATCH FastIoDispatch;
 141     NPAGED_LOOKASIDE_LIST IrpContextLookasideList;
 142     NPAGED_LOOKASIDE_LIST FcbLookasideList;
 143 } NTFS_GLOBAL_DATA, *PNTFS_GLOBAL_DATA;
 144
 145
 146 typedef enum
 147 {
 148     AttributeStandardInformation = 0x10,
 149     AttributeAttributeList = 0x20,
 150     AttributeFileName = 0x30,
 151     AttributeObjectId = 0x40,
 152     AttributeSecurityDescriptor = 0x50,
 153     AttributeVolumeName = 0x60,
 154     AttributeVolumeInformation = 0x70,
 155     AttributeData = 0x80,
 156     AttributeIndexRoot = 0x90,
 157     AttributeIndexAllocation = 0xA0,
 158     AttributeBitmap = 0xB0,
 159     AttributeReparsePoint = 0xC0,
 160     AttributeEAInformation = 0xD0,
 161     AttributeEA = 0xE0,
 162     AttributePropertySet = 0xF0,
 163     AttributeLoggedUtilityStream = 0x100,
 164     AttributeEnd = 0xFFFFFFFF
 165 } ATTRIBUTE_TYPE, *PATTRIBUTE_TYPE;
 166
 167 #define NTFS_FILE_MFT                0
 168 #define NTFS_FILE_MFTMIRR            1
 169 #define NTFS_FILE_LOGFILE            2
 170 #define NTFS_FILE_VOLUME            3
 171 #define NTFS_FILE_ATTRDEF            4
 172 #define NTFS_FILE_ROOT                5
 173 #define NTFS_FILE_BITMAP            6
 174 #define NTFS_FILE_BOOT                7
 175 #define NTFS_FILE_BADCLUS            8
 176 #define NTFS_FILE_QUOTA                9
 177 #define NTFS_FILE_UPCASE            10
 178 #define NTFS_FILE_EXTEND            11
 179
 180 #define NTFS_MFT_MASK 0x0000FFFFFFFFFFFFULL
 181
 182 #define COLLATION_BINARY              0x00
 183 #define COLLATION_FILE_NAME           0x01
 184 #define COLLATION_UNICODE_STRING      0x02
 185 #define COLLATION_NTOFS_ULONG         0x10
 186 #define COLLATION_NTOFS_SID           0x11
 187 #define COLLATION_NTOFS_SECURITY_HASH 0x12
 188 #define COLLATION_NTOFS_ULONGS        0x13
 189
 190 #define INDEX_ROOT_SMALL 0x0
 191 #define INDEX_ROOT_LARGE 0x1
 192
 193 #define NTFS_INDEX_ENTRY_NODE            1
 194 #define NTFS_INDEX_ENTRY_END            2
 195
 196 #define NTFS_FILE_NAME_POSIX            0
 197 #define NTFS_FILE_NAME_WIN32            1
 198 #define NTFS_FILE_NAME_DOS            2
 199 #define NTFS_FILE_NAME_WIN32_AND_DOS        3
 200
 201 #define NTFS_FILE_TYPE_READ_ONLY  0x1
 202 #define NTFS_FILE_TYPE_HIDDEN     0x2
 203 #define NTFS_FILE_TYPE_SYSTEM     0x4
 204 #define NTFS_FILE_TYPE_ARCHIVE    0x20
 205 #define NTFS_FILE_TYPE_REPARSE    0x400
 206 #define NTFS_FILE_TYPE_COMPRESSED 0x800
 207 #define NTFS_FILE_TYPE_DIRECTORY  0x10000000
 208
 209 typedef struct
 210 {
 211     ULONG Type;             /* Magic number 'FILE' */
 212     USHORT UsaOffset;       /* Offset to the update sequence */
 213     USHORT UsaCount;        /* Size in words of Update Sequence Number & Array (S) */
 214     ULONGLONG Lsn;          /* $LogFile Sequence Number (LSN) */
 215 } NTFS_RECORD_HEADER, *PNTFS_RECORD_HEADER;
 216
 217 /* NTFS_RECORD_HEADER.Type */
 218 #define NRH_FILE_TYPE  0x454C4946  /* 'FILE' */
 219 #define NRH_INDX_TYPE  0x58444E49  /* 'INDX' */
 220
 221
 222 typedef struct _FILE_RECORD_HEADER
 223 {
 224     NTFS_RECORD_HEADER Ntfs;
 225     USHORT SequenceNumber;        /* Sequence number */
 226     USHORT LinkCount;             /* Hard link count */
 227     USHORT AttributeOffset;       /* Offset to the first Attribute */
 228     USHORT Flags;                 /* Flags */
 229     ULONG BytesInUse;             /* Real size of the FILE record */
 230     ULONG BytesAllocated;         /* Allocated size of the FILE record */
 231     ULONGLONG BaseFileRecord;     /* File reference to the base FILE record */
 232     USHORT NextAttributeNumber;   /* Next Attribute Id */
 233     USHORT Pading;                /* Align to 4 UCHAR boundary (XP) */
 234     ULONG MFTRecordNumber;        /* Number of this MFT Record (XP) */
 235 } FILE_RECORD_HEADER, *PFILE_RECORD_HEADER;
 236
 237 /* Flags in FILE_RECORD_HEADER */
 238
 239 #define FRH_IN_USE    0x0001    /* Record is in use */
 240 #define FRH_DIRECTORY 0x0002    /* Record is a directory */
 241 #define FRH_UNKNOWN1  0x0004    /* Don't know */
 242 #define FRH_UNKNOWN2  0x0008    /* Don't know */
 243
 244 typedef struct
 245 {
 246     ULONG        Type;
 247     ULONG        Length;
 248     UCHAR        IsNonResident;
 249     UCHAR        NameLength;
 250     USHORT        NameOffset;
 251     USHORT        Flags;
 252     USHORT        Instance;
 253     union
 254     {
 255         // Resident attributes
 256         struct
 257         {
 258             ULONG        ValueLength;
 259             USHORT        ValueOffset;
 260             UCHAR        Flags;
 261             UCHAR        Reserved;
 262         } Resident;
 263         // Non-resident attributes
 264         struct
 265         {
 266             ULONGLONG        LowestVCN;
 267             ULONGLONG        HighestVCN;
 268             USHORT        MappingPairsOffset;
 269             USHORT        CompressionUnit;
 270             UCHAR        Reserved[4];
 271             LONGLONG        AllocatedSize;
 272             LONGLONG        DataSize;
 273             LONGLONG        InitializedSize;
 274             LONGLONG        CompressedSize;
 275         } NonResident;
 276     };
 277 } NTFS_ATTR_RECORD, *PNTFS_ATTR_RECORD;
 278
 279 typedef struct
 280 {
 281     ULONGLONG CreationTime;
 282     ULONGLONG ChangeTime;
 283     ULONGLONG LastWriteTime;
 284     ULONGLONG LastAccessTime;
 285     ULONG FileAttribute;
 286     ULONG AlignmentOrReserved[3];
 287 #if 0
 288     ULONG QuotaId;
 289     ULONG SecurityId;
 290     ULONGLONG QuotaCharge;
 291     USN Usn;
 292 #endif
 293 } STANDARD_INFORMATION, *PSTANDARD_INFORMATION;
 294
 295
 296 typedef struct
 297 {
 298     ATTRIBUTE_TYPE AttributeType;
 299     USHORT Length;
 300     UCHAR NameLength;
 301     UCHAR NameOffset;
 302     ULONGLONG StartVcn; // LowVcn
 303     ULONGLONG FileReferenceNumber;
 304     USHORT AttributeNumber;
 305     USHORT AlignmentOrReserved[3];
 306 } ATTRIBUTE_LIST, *PATTRIBUTE_LIST;
 307
 308
 309 typedef struct
 310 {
 311     ULONGLONG DirectoryFileReferenceNumber;
 312     ULONGLONG CreationTime;
 313     ULONGLONG ChangeTime;
 314     ULONGLONG LastWriteTime;
 315     ULONGLONG LastAccessTime;
 316     ULONGLONG AllocatedSize;
 317     ULONGLONG DataSize;
 318     ULONG FileAttributes;
 319     union
 320     {
 321         struct
 322         {
 323             USHORT PackedEaSize;
 324             USHORT AlignmentOrReserved;
 325         } EaInfo;
 326         ULONG ReparseTag;
 327     } Extended;
 328     UCHAR NameLength;
 329     UCHAR NameType;
 330     WCHAR Name[1];
 331 } FILENAME_ATTRIBUTE, *PFILENAME_ATTRIBUTE;
 332
 333 typedef struct
 334 {
 335     ULONG FirstEntryOffset;
 336     ULONG TotalSizeOfEntries;
 337     ULONG AllocatedSize;
 338     UCHAR Flags;
 339     UCHAR Padding[3];
 340 } INDEX_HEADER_ATTRIBUTE, *PINDEX_HEADER_ATTRIBUTE;
 341
 342 typedef struct
 343 {
 344     ULONG AttributeType;
 345     ULONG CollationRule;
 346     ULONG SizeOfEntry;
 347     UCHAR ClustersPerIndexRecord;
 348     UCHAR Padding[3];
 349     INDEX_HEADER_ATTRIBUTE Header;
 350 } INDEX_ROOT_ATTRIBUTE, *PINDEX_ROOT_ATTRIBUTE;
 351
 352 typedef struct
 353 {
 354     NTFS_RECORD_HEADER Ntfs;
 355     ULONGLONG VCN;
 356     INDEX_HEADER_ATTRIBUTE Header;
 357 } INDEX_BUFFER, *PINDEX_BUFFER;
 358
 359 typedef struct
 360 {
 361     union
 362     {
 363         struct
 364         {
 365             ULONGLONG    IndexedFile;
 366         } Directory;
 367         struct
 368         {
 369             USHORT    DataOffset;
 370             USHORT    DataLength;
 371             ULONG    Reserved;
 372         } ViewIndex;
 373     } Data;
 374     USHORT            Length;
 375     USHORT            KeyLength;
 376     USHORT            Flags;
 377     USHORT            Reserved;
 378     FILENAME_ATTRIBUTE    FileName;
 379 } INDEX_ENTRY_ATTRIBUTE, *PINDEX_ENTRY_ATTRIBUTE;
 380
 381 typedef struct
 382 {
 383     ULONGLONG Unknown1;
 384     UCHAR MajorVersion;
 385     UCHAR MinorVersion;
 386     USHORT Flags;
 387     ULONG Unknown2;
 388 } VOLINFO_ATTRIBUTE, *PVOLINFO_ATTRIBUTE;
 389
 390 typedef struct {
 391     ULONG ReparseTag;
 392     USHORT DataLength;
 393     USHORT Reserved;
 394     UCHAR Data[1];
 395 } REPARSE_POINT_ATTRIBUTE, *PREPARSE_POINT_ATTRIBUTE;
 396
 397 #define IRPCONTEXT_CANWAIT 0x1
 398 #define IRPCONTEXT_COMPLETE 0x2
 399 #define IRPCONTEXT_QUEUE 0x4
 400
 401 typedef struct
 402 {
 403     NTFSIDENTIFIER Identifier;
 404     ULONG Flags;
 405     PIO_STACK_LOCATION Stack;
 406     UCHAR MajorFunction;
 407     UCHAR MinorFunction;
 408     WORK_QUEUE_ITEM WorkQueueItem;
 409     PIRP Irp;
 410     BOOLEAN IsTopLevel;
 411     PDEVICE_OBJECT DeviceObject;
 412     PFILE_OBJECT FileObject;
 413     NTSTATUS SavedExceptionCode;
 414     CCHAR PriorityBoost;
 415 } NTFS_IRP_CONTEXT, *PNTFS_IRP_CONTEXT;
 416
 417 typedef struct _NTFS_ATTR_CONTEXT
 418 {
 419     PUCHAR            CacheRun;
 420     ULONGLONG            CacheRunOffset;
 421     LONGLONG            CacheRunStartLCN;
 422     ULONGLONG            CacheRunLength;
 423     LONGLONG            CacheRunLastLCN;
 424     ULONGLONG            CacheRunCurrentOffset;
 425     NTFS_ATTR_RECORD    Record;
 426 } NTFS_ATTR_CONTEXT, *PNTFS_ATTR_CONTEXT;
 427
 428 #define FCB_CACHE_INITIALIZED   0x0001
 429 #define FCB_IS_VOLUME_STREAM    0x0002
 430 #define FCB_IS_VOLUME           0x0004
 431 #define MAX_PATH                260
 432
 433 typedef struct _FCB
 434 {
 435     NTFSIDENTIFIER Identifier;
 436
 437     FSRTL_COMMON_FCB_HEADER RFCB;
 438     SECTION_OBJECT_POINTERS SectionObjectPointers;
 439
 440     PFILE_OBJECT FileObject;
 441     PNTFS_VCB Vcb;
 442
 443     WCHAR *ObjectName;          /* point on filename (250 chars max) in PathName */
 444     WCHAR PathName[MAX_PATH];   /* path+filename 260 max */
 445
 446     ERESOURCE PagingIoResource;
 447     ERESOURCE MainResource;
 448
 449     LIST_ENTRY FcbListEntry;
 450     struct _FCB* ParentFcb;
 451
 452     ULONG DirIndex;
 453
 454     LONG RefCount;
 455     ULONG Flags;
 456
 457     ULONGLONG MFTIndex;
 458     USHORT LinkCount;
 459
 460     FILENAME_ATTRIBUTE Entry;
 461
 462 } NTFS_FCB, *PNTFS_FCB;
 463
 464 extern PNTFS_GLOBAL_DATA NtfsGlobalData;
 465
 466 FORCEINLINE
 467 NTSTATUS
 468 NtfsMarkIrpContextForQueue(PNTFS_IRP_CONTEXT IrpContext)
 469 {
 470     PULONG Flags = &IrpContext->Flags;
 471
 472     *Flags &= ~IRPCONTEXT_COMPLETE;
 473     *Flags |= IRPCONTEXT_QUEUE;
 474
 475     return STATUS_PENDING;
 476 }
 477
 478 /* attrib.c */
 479
 480 //VOID
 481 //NtfsDumpAttribute(PATTRIBUTE Attribute);
 482
 483 PUCHAR
 484 DecodeRun(PUCHAR DataRun,
 485           LONGLONG *DataRunOffset,
 486           ULONGLONG *DataRunLength);
 487
 488 VOID
 489 NtfsDumpFileAttributes(PDEVICE_EXTENSION Vcb, PFILE_RECORD_HEADER FileRecord);
 490
 491 PSTANDARD_INFORMATION
 492 GetStandardInformationFromRecord(PFILE_RECORD_HEADER FileRecord);
 493
 494 PFILENAME_ATTRIBUTE
 495 GetFileNameFromRecord(PFILE_RECORD_HEADER FileRecord, UCHAR NameType);
 496
 497 PFILENAME_ATTRIBUTE
 498 GetBestFileNameFromRecord(PFILE_RECORD_HEADER FileRecord);
 499
 500 /* blockdev.c */
 501
 502 NTSTATUS
 503 NtfsReadDisk(IN PDEVICE_OBJECT DeviceObject,
 504              IN LONGLONG StartingOffset,
 505              IN ULONG Length,
 506              IN ULONG SectorSize,
 507              IN OUT PUCHAR Buffer,
 508              IN BOOLEAN Override);
 509
 510 NTSTATUS
 511 NtfsReadSectors(IN PDEVICE_OBJECT DeviceObject,
 512                 IN ULONG DiskSector,
 513                 IN ULONG SectorCount,
 514                 IN ULONG SectorSize,
 515                 IN OUT PUCHAR Buffer,
 516                 IN BOOLEAN Override);
 517
 518 NTSTATUS
 519 NtfsDeviceIoControl(IN PDEVICE_OBJECT DeviceObject,
 520                     IN ULONG ControlCode,
 521                     IN PVOID InputBuffer,
 522                     IN ULONG InputBufferSize,
 523                     IN OUT PVOID OutputBuffer,
 524                     IN OUT PULONG OutputBufferSize,
 525                     IN BOOLEAN Override);
 526
 527
 528 /* close.c */
 529
 530 NTSTATUS
 531 NtfsCloseFile(PDEVICE_EXTENSION DeviceExt,
 532               PFILE_OBJECT FileObject);
 533
 534 NTSTATUS
 535 NtfsClose(PNTFS_IRP_CONTEXT IrpContext);
 536
 537
 538 /* create.c */
 539
 540 NTSTATUS
 541 NtfsCreate(PNTFS_IRP_CONTEXT IrpContext);
 542
 543
 544 /* devctl.c */
 545
 546 NTSTATUS
 547 NtfsDeviceControl(PNTFS_IRP_CONTEXT IrpContext);
 548
 549
 550 /* dirctl.c */
 551
 552 NTSTATUS
 553 NtfsDirectoryControl(PNTFS_IRP_CONTEXT IrpContext);
 554
 555
 556 /* dispatch.c */
 557
 558 DRIVER_DISPATCH NtfsFsdDispatch;
 559 NTSTATUS NTAPI
 560 NtfsFsdDispatch(PDEVICE_OBJECT DeviceObject,
 561                 PIRP Irp);
 562
 563
 564 /* fastio.c */
 565
 566 BOOLEAN NTAPI
 567 NtfsAcqLazyWrite(PVOID Context,
 568                  BOOLEAN Wait);
 569
 570 VOID NTAPI
 571 NtfsRelLazyWrite(PVOID Context);
 572
 573 BOOLEAN NTAPI
 574 NtfsAcqReadAhead(PVOID Context,
 575                  BOOLEAN Wait);
 576
 577 VOID NTAPI
 578 NtfsRelReadAhead(PVOID Context);
 579
 580 FAST_IO_CHECK_IF_POSSIBLE NtfsFastIoCheckIfPossible;
 581 FAST_IO_READ NtfsFastIoRead;
 582 FAST_IO_WRITE NtfsFastIoWrite;
 583
 584
 585 /* fcb.c */
 586
 587 PNTFS_FCB
 588 NtfsCreateFCB(PCWSTR FileName,
 589               PNTFS_VCB Vcb);
 590
 591 VOID
 592 NtfsDestroyFCB(PNTFS_FCB Fcb);
 593
 594 BOOLEAN
 595 NtfsFCBIsDirectory(PNTFS_FCB Fcb);
 596
 597 BOOLEAN
 598 NtfsFCBIsReparsePoint(PNTFS_FCB Fcb);
 599
 600 BOOLEAN
 601 NtfsFCBIsRoot(PNTFS_FCB Fcb);
 602
 603 VOID
 604 NtfsGrabFCB(PNTFS_VCB Vcb,
 605             PNTFS_FCB Fcb);
 606
 607 VOID
 608 NtfsReleaseFCB(PNTFS_VCB Vcb,
 609                PNTFS_FCB Fcb);
 610
 611 VOID
 612 NtfsAddFCBToTable(PNTFS_VCB Vcb,
 613                   PNTFS_FCB Fcb);
 614
 615 PNTFS_FCB
 616 NtfsGrabFCBFromTable(PNTFS_VCB Vcb,
 617                      PCWSTR FileName);
 618
 619 NTSTATUS
 620 NtfsFCBInitializeCache(PNTFS_VCB Vcb,
 621                        PNTFS_FCB Fcb);
 622
 623 PNTFS_FCB
 624 NtfsMakeRootFCB(PNTFS_VCB Vcb);
 625
 626 PNTFS_FCB
 627 NtfsOpenRootFCB(PNTFS_VCB Vcb);
 628
 629 NTSTATUS
 630 NtfsAttachFCBToFileObject(PNTFS_VCB Vcb,
 631                           PNTFS_FCB Fcb,
 632                           PFILE_OBJECT FileObject);
 633
 634 NTSTATUS
 635 NtfsGetFCBForFile(PNTFS_VCB Vcb,
 636                   PNTFS_FCB *pParentFCB,
 637                   PNTFS_FCB *pFCB,
 638                   const PWSTR pFileName);
 639
 640 NTSTATUS
 641 NtfsReadFCBAttribute(PNTFS_VCB Vcb,
 642                      PNTFS_FCB pFCB,
 643                      ULONG Type,
 644                      PCWSTR Name,
 645                      ULONG NameLength,
 646                      PVOID * Data);
 647
 648 NTSTATUS
 649 NtfsMakeFCBFromDirEntry(PNTFS_VCB Vcb,
 650                         PNTFS_FCB DirectoryFCB,
 651                         PUNICODE_STRING Name,
 652                         PFILE_RECORD_HEADER Record,
 653                         ULONGLONG MFTIndex,
 654                         PNTFS_FCB * fileFCB);
 655
 656
 657 /* finfo.c */
 658
 659 NTSTATUS
 660 NtfsQueryInformation(PNTFS_IRP_CONTEXT IrpContext);
 661
 662
 663 /* fsctl.c */
 664
 665 NTSTATUS
 666 NtfsFileSystemControl(PNTFS_IRP_CONTEXT IrpContext);
 667
 668
 669 /* mft.c */
 670 PNTFS_ATTR_CONTEXT
 671 PrepareAttributeContext(PNTFS_ATTR_RECORD AttrRecord);
 672
 673 VOID
 674 ReleaseAttributeContext(PNTFS_ATTR_CONTEXT Context);
 675
 676 ULONG
 677 ReadAttribute(PDEVICE_EXTENSION Vcb,
 678               PNTFS_ATTR_CONTEXT Context,
 679               ULONGLONG Offset,
 680               PCHAR Buffer,
 681               ULONG Length);
 682
 683 ULONGLONG
 684 AttributeDataLength(PNTFS_ATTR_RECORD AttrRecord);
 685
 686 ULONG
 687 AttributeAllocatedLength(PNTFS_ATTR_RECORD AttrRecord);
 688
 689 NTSTATUS
 690 ReadFileRecord(PDEVICE_EXTENSION Vcb,
 691                ULONGLONG index,
 692                PFILE_RECORD_HEADER file);
 693
 694 NTSTATUS
 695 FindAttribute(PDEVICE_EXTENSION Vcb,
 696               PFILE_RECORD_HEADER MftRecord,
 697               ULONG Type,
 698               PCWSTR Name,
 699               ULONG NameLength,
 700               PNTFS_ATTR_CONTEXT * AttrCtx);
 701
 702 VOID
 703 ReadVCN(PDEVICE_EXTENSION Vcb,
 704         PFILE_RECORD_HEADER file,
 705         ATTRIBUTE_TYPE type,
 706         ULONGLONG vcn,
 707         ULONG count,
 708         PVOID buffer);
 709
 710 NTSTATUS
 711 FixupUpdateSequenceArray(PDEVICE_EXTENSION Vcb,
 712                          PNTFS_RECORD_HEADER Record);
 713
 714 NTSTATUS
 715 ReadLCN(PDEVICE_EXTENSION Vcb,
 716         ULONGLONG lcn,
 717         ULONG count,
 718         PVOID buffer);
 719
 720 VOID
 721 EnumerAttribute(PFILE_RECORD_HEADER file,
 722                 PDEVICE_EXTENSION Vcb,
 723                 PDEVICE_OBJECT DeviceObject);
 724
 725 NTSTATUS
 726 NtfsLookupFile(PDEVICE_EXTENSION Vcb,
 727                PUNICODE_STRING PathName,
 728                PFILE_RECORD_HEADER *FileRecord,
 729                PULONGLONG MFTIndex);
 730
 731 NTSTATUS
 732 NtfsLookupFileAt(PDEVICE_EXTENSION Vcb,
 733                  PUNICODE_STRING PathName,
 734                  PFILE_RECORD_HEADER *FileRecord,
 735                  PULONGLONG MFTIndex,
 736                  ULONGLONG CurrentMFTIndex);
 737
 738 NTSTATUS
 739 NtfsFindFileAt(PDEVICE_EXTENSION Vcb,
 740                PUNICODE_STRING SearchPattern,
 741                PULONG FirstEntry,
 742                PFILE_RECORD_HEADER *FileRecord,
 743                PULONGLONG MFTIndex,
 744                ULONGLONG CurrentMFTIndex);
 745
 746 /* misc.c */
 747
 748 BOOLEAN
 749 NtfsIsIrpTopLevel(PIRP Irp);
 750
 751 PNTFS_IRP_CONTEXT
 752 NtfsAllocateIrpContext(PDEVICE_OBJECT DeviceObject,
 753                        PIRP Irp);
 754
 755 PVOID
 756 NtfsGetUserBuffer(PIRP Irp,
 757                   BOOLEAN Paging);
 758
 759 #if 0
 760 BOOLEAN
 761 wstrcmpjoki(PWSTR s1, PWSTR s2);
 762
 763 VOID
 764 CdfsSwapString(PWCHAR Out,
 765                PUCHAR In,
 766                ULONG Count);
 767 #endif
 768
 769 VOID
 770 NtfsFileFlagsToAttributes(ULONG NtfsAttributes,
 771                           PULONG FileAttributes);
 772
 773
 774 /* rw.c */
 775
 776 NTSTATUS
 777 NtfsRead(PNTFS_IRP_CONTEXT IrpContext);
 778
 779 NTSTATUS
 780 NtfsWrite(PNTFS_IRP_CONTEXT IrpContext);
 781
 782
 783 /* volinfo.c */
 784
 785 ULONGLONG
 786 NtfsGetFreeClusters(PDEVICE_EXTENSION DeviceExt);
 787
 788 NTSTATUS
 789 NtfsQueryVolumeInformation(PNTFS_IRP_CONTEXT IrpContext);
 790
 791 NTSTATUS
 792 NtfsSetVolumeInformation(PNTFS_IRP_CONTEXT IrpContext);
 793
 794
 795 /* ntfs.c */
 796
 797 DRIVER_INITIALIZE DriverEntry;
 798
 799 VOID
 800 NTAPI
 801 NtfsInitializeFunctionPointers(PDRIVER_OBJECT DriverObject);
 802
 803 #endif /* NTFS_H */