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