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 #define NRH_INDX_TYPE  0x58444E49  /* 'INDX' */
 212
 213
 214 typedef struct _FILE_RECORD_HEADER
 215 {
 216     NTFS_RECORD_HEADER Ntfs;
 217     USHORT SequenceNumber;        /* Sequence number */
 218     USHORT LinkCount;             /* Hard link count */
 219     USHORT AttributeOffset;       /* Offset to the first Attribute */
 220     USHORT Flags;                 /* Flags */
 221     ULONG BytesInUse;             /* Real size of the FILE record */
 222     ULONG BytesAllocated;         /* Allocated size of the FILE record */
 223     ULONGLONG BaseFileRecord;     /* File reference to the base FILE record */
 224     USHORT NextAttributeNumber;   /* Next Attribute Id */
 225     USHORT Pading;                /* Align to 4 UCHAR boundary (XP) */
 226     ULONG MFTRecordNumber;        /* Number of this MFT Record (XP) */
 227 } FILE_RECORD_HEADER, *PFILE_RECORD_HEADER;
 228
 229 /* Flags in FILE_RECORD_HEADER */
 230
 231 #define FRH_IN_USE    0x0001    /* Record is in use */
 232 #define FRH_DIRECTORY 0x0002    /* Record is a directory */
 233 #define FRH_UNKNOWN1  0x0004    /* Don't know */
 234 #define FRH_UNKNOWN2  0x0008    /* Don't know */
 235
 236 typedef struct
 237 {
 238     ULONG        Type;
 239     ULONG        Length;
 240     UCHAR        IsNonResident;
 241     UCHAR        NameLength;
 242     USHORT        NameOffset;
 243     USHORT        Flags;
 244     USHORT        Instance;
 245     union
 246     {
 247         // Resident attributes
 248         struct
 249         {
 250             ULONG        ValueLength;
 251             USHORT        ValueOffset;
 252             UCHAR        Flags;
 253             UCHAR        Reserved;
 254         } Resident;
 255         // Non-resident attributes
 256         struct
 257         {
 258             ULONGLONG        LowestVCN;
 259             ULONGLONG        HighestVCN;
 260             USHORT        MappingPairsOffset;
 261             USHORT        CompressionUnit;
 262             UCHAR        Reserved[4];
 263             LONGLONG        AllocatedSize;
 264             LONGLONG        DataSize;
 265             LONGLONG        InitializedSize;
 266             LONGLONG        CompressedSize;
 267         } NonResident;
 268     };
 269 } NTFS_ATTR_RECORD, *PNTFS_ATTR_RECORD;
 270
 271 typedef struct
 272 {
 273     ULONGLONG CreationTime;
 274     ULONGLONG ChangeTime;
 275     ULONGLONG LastWriteTime;
 276     ULONGLONG LastAccessTime;
 277     ULONG FileAttribute;
 278     ULONG AlignmentOrReserved[3];
 279 #if 0
 280     ULONG QuotaId;
 281     ULONG SecurityId;
 282     ULONGLONG QuotaCharge;
 283     USN Usn;
 284 #endif
 285 } STANDARD_INFORMATION, *PSTANDARD_INFORMATION;
 286
 287
 288 typedef struct
 289 {
 290     ATTRIBUTE_TYPE AttributeType;
 291     USHORT Length;
 292     UCHAR NameLength;
 293     UCHAR NameOffset;
 294     ULONGLONG StartVcn; // LowVcn
 295     ULONGLONG FileReferenceNumber;
 296     USHORT AttributeNumber;
 297     USHORT AlignmentOrReserved[3];
 298 } ATTRIBUTE_LIST, *PATTRIBUTE_LIST;
 299
 300
 301 typedef struct
 302 {
 303     ULONGLONG DirectoryFileReferenceNumber;
 304     ULONGLONG CreationTime;
 305     ULONGLONG ChangeTime;
 306     ULONGLONG LastWriteTime;
 307     ULONGLONG LastAccessTime;
 308     ULONGLONG AllocatedSize;
 309     ULONGLONG DataSize;
 310     ULONG FileAttributes;
 311     ULONG AlignmentOrReserved;
 312     UCHAR NameLength;
 313     UCHAR NameType;
 314     WCHAR Name[1];
 315 } FILENAME_ATTRIBUTE, *PFILENAME_ATTRIBUTE;
 316
 317 typedef struct
 318 {
 319     ULONG FirstEntryOffset;
 320     ULONG TotalSizeOfEntries;
 321     ULONG AllocatedSize;
 322     UCHAR Flags;
 323     UCHAR Padding[3];
 324 } INDEX_HEADER_ATTRIBUTE, *PINDEX_HEADER_ATTRIBUTE;
 325
 326 typedef struct
 327 {
 328     ULONG AttributeType;
 329     ULONG CollationRule;
 330     ULONG SizeOfEntry;
 331     UCHAR ClustersPerIndexRecord;
 332     UCHAR Padding[3];
 333     INDEX_HEADER_ATTRIBUTE Header;
 334 } INDEX_ROOT_ATTRIBUTE, *PINDEX_ROOT_ATTRIBUTE;
 335
 336 typedef struct
 337 {
 338     NTFS_RECORD_HEADER Ntfs;
 339     ULONGLONG VCN;
 340     INDEX_HEADER_ATTRIBUTE Header;
 341 } INDEX_BUFFER, *PINDEX_BUFFER;
 342
 343 typedef struct
 344 {
 345     union
 346     {
 347         struct
 348         {
 349             ULONGLONG    IndexedFile;
 350         } Directory;
 351         struct
 352         {
 353             USHORT    DataOffset;
 354             USHORT    DataLength;
 355             ULONG    Reserved;
 356         } ViewIndex;
 357     } Data;
 358     USHORT            Length;
 359     USHORT            KeyLength;
 360     USHORT            Flags;
 361     USHORT            Reserved;
 362     FILENAME_ATTRIBUTE    FileName;
 363 } INDEX_ENTRY_ATTRIBUTE, *PINDEX_ENTRY_ATTRIBUTE;
 364
 365 typedef struct
 366 {
 367     ULONGLONG Unknown1;
 368     UCHAR MajorVersion;
 369     UCHAR MinorVersion;
 370     USHORT Flags;
 371     ULONG Unknown2;
 372 } VOLINFO_ATTRIBUTE, *PVOLINFO_ATTRIBUTE;
 373
 374 typedef struct
 375 {
 376     NTFSIDENTIFIER Identifier;
 377     ULONG Flags;
 378     UCHAR MajorFunction;
 379     UCHAR MinorFunction;
 380     WORK_QUEUE_ITEM WorkQueueItem;
 381     PIRP Irp;
 382     BOOLEAN IsTopLevel;
 383     PDEVICE_OBJECT DeviceObject;
 384     NTSTATUS SavedExceptionCode;
 385 } NTFS_IRP_CONTEXT, *PNTFS_IRP_CONTEXT;
 386
 387 typedef struct _NTFS_ATTR_CONTEXT
 388 {
 389     PUCHAR            CacheRun;
 390     ULONGLONG            CacheRunOffset;
 391     LONGLONG            CacheRunStartLCN;
 392     ULONGLONG            CacheRunLength;
 393     LONGLONG            CacheRunLastLCN;
 394     ULONGLONG            CacheRunCurrentOffset;
 395     NTFS_ATTR_RECORD    Record;
 396 } NTFS_ATTR_CONTEXT, *PNTFS_ATTR_CONTEXT;
 397
 398 #define FCB_CACHE_INITIALIZED   0x0001
 399 #define FCB_IS_VOLUME_STREAM    0x0002
 400 #define FCB_IS_VOLUME           0x0004
 401 #define MAX_PATH                260
 402
 403 typedef struct _FCB
 404 {
 405     NTFSIDENTIFIER Identifier;
 406
 407     FSRTL_COMMON_FCB_HEADER RFCB;
 408     SECTION_OBJECT_POINTERS SectionObjectPointers;
 409
 410     PFILE_OBJECT FileObject;
 411     PNTFS_VCB Vcb;
 412
 413     WCHAR *ObjectName;          /* point on filename (250 chars max) in PathName */
 414     WCHAR PathName[MAX_PATH];   /* path+filename 260 max */
 415
 416     ERESOURCE PagingIoResource;
 417     ERESOURCE MainResource;
 418
 419     LIST_ENTRY FcbListEntry;
 420     struct _FCB* ParentFcb;
 421
 422     ULONG DirIndex;
 423
 424     LONG RefCount;
 425     ULONG Flags;
 426
 427     ULONGLONG MFTIndex;
 428
 429     FILENAME_ATTRIBUTE Entry;
 430
 431 } NTFS_FCB, *PNTFS_FCB;
 432
 433 extern PNTFS_GLOBAL_DATA NtfsGlobalData;
 434
 435 //int CdfsStrcmpi( wchar_t *str1, wchar_t *str2 );
 436 //void CdfsWstrcpy( wchar_t *str1, wchar_t *str2, int max );
 437
 438
 439 /* attrib.c */
 440
 441 //VOID
 442 //NtfsDumpAttribute(PATTRIBUTE Attribute);
 443
 444 PUCHAR
 445 DecodeRun(PUCHAR DataRun,
 446           LONGLONG *DataRunOffset,
 447           ULONGLONG *DataRunLength);
 448
 449 VOID
 450 NtfsDumpFileAttributes(PFILE_RECORD_HEADER FileRecord);
 451
 452 PFILENAME_ATTRIBUTE
 453 GetFileNameFromRecord(PFILE_RECORD_HEADER FileRecord, UCHAR NameType);
 454
 455 /* blockdev.c */
 456
 457 NTSTATUS
 458 NtfsReadDisk(IN PDEVICE_OBJECT DeviceObject,
 459              IN LONGLONG StartingOffset,
 460              IN ULONG Length,
 461              IN ULONG SectorSize,
 462              IN OUT PUCHAR Buffer,
 463              IN BOOLEAN Override);
 464
 465 NTSTATUS
 466 NtfsReadSectors(IN PDEVICE_OBJECT DeviceObject,
 467                 IN ULONG DiskSector,
 468                 IN ULONG SectorCount,
 469                 IN ULONG SectorSize,
 470                 IN OUT PUCHAR Buffer,
 471                 IN BOOLEAN Override);
 472
 473 NTSTATUS
 474 NtfsDeviceIoControl(IN PDEVICE_OBJECT DeviceObject,
 475                     IN ULONG ControlCode,
 476                     IN PVOID InputBuffer,
 477                     IN ULONG InputBufferSize,
 478                     IN OUT PVOID OutputBuffer,
 479                     IN OUT PULONG OutputBufferSize,
 480                     IN BOOLEAN Override);
 481
 482
 483 /* close.c */
 484
 485 NTSTATUS
 486 NtfsCloseFile(PDEVICE_EXTENSION DeviceExt,
 487               PFILE_OBJECT FileObject);
 488
 489 DRIVER_DISPATCH NtfsFsdClose;
 490 NTSTATUS NTAPI
 491 NtfsFsdClose(PDEVICE_OBJECT DeviceObject,
 492              PIRP Irp);
 493
 494
 495 /* create.c */
 496
 497 DRIVER_DISPATCH NtfsFsdCreate;
 498 NTSTATUS NTAPI
 499 NtfsFsdCreate(PDEVICE_OBJECT DeviceObject,
 500               PIRP Irp);
 501
 502
 503 /* dirctl.c */
 504
 505 DRIVER_DISPATCH NtfsFsdDirectoryControl;
 506 NTSTATUS NTAPI
 507 NtfsFsdDirectoryControl(PDEVICE_OBJECT DeviceObject,
 508                         PIRP Irp);
 509
 510
 511 /* dispatch.c */
 512
 513 DRIVER_DISPATCH NtfsFsdDispatch;
 514 NTSTATUS NTAPI
 515 NtfsFsdDispatch(PDEVICE_OBJECT DeviceObject,
 516                 PIRP Irp);
 517
 518
 519 /* fastio.c */
 520
 521 BOOLEAN NTAPI
 522 NtfsAcqLazyWrite(PVOID Context,
 523                  BOOLEAN Wait);
 524
 525 VOID NTAPI
 526 NtfsRelLazyWrite(PVOID Context);
 527
 528 BOOLEAN NTAPI
 529 NtfsAcqReadAhead(PVOID Context,
 530                  BOOLEAN Wait);
 531
 532 VOID NTAPI
 533 NtfsRelReadAhead(PVOID Context);
 534
 535
 536 /* fcb.c */
 537
 538 PNTFS_FCB
 539 NtfsCreateFCB(PCWSTR FileName,
 540               PNTFS_VCB Vcb);
 541
 542 VOID
 543 NtfsDestroyFCB(PNTFS_FCB Fcb);
 544
 545 BOOLEAN
 546 NtfsFCBIsDirectory(PNTFS_FCB Fcb);
 547
 548 BOOLEAN
 549 NtfsFCBIsRoot(PNTFS_FCB Fcb);
 550
 551 VOID
 552 NtfsGrabFCB(PNTFS_VCB Vcb,
 553             PNTFS_FCB Fcb);
 554
 555 VOID
 556 NtfsReleaseFCB(PNTFS_VCB Vcb,
 557                PNTFS_FCB Fcb);
 558
 559 VOID
 560 NtfsAddFCBToTable(PNTFS_VCB Vcb,
 561                   PNTFS_FCB Fcb);
 562
 563 PNTFS_FCB
 564 NtfsGrabFCBFromTable(PNTFS_VCB Vcb,
 565                      PCWSTR FileName);
 566
 567 NTSTATUS
 568 NtfsFCBInitializeCache(PNTFS_VCB Vcb,
 569                        PNTFS_FCB Fcb);
 570
 571 PNTFS_FCB
 572 NtfsMakeRootFCB(PNTFS_VCB Vcb);
 573
 574 PNTFS_FCB
 575 NtfsOpenRootFCB(PNTFS_VCB Vcb);
 576
 577 NTSTATUS
 578 NtfsAttachFCBToFileObject(PNTFS_VCB Vcb,
 579                           PNTFS_FCB Fcb,
 580                           PFILE_OBJECT FileObject);
 581
 582 NTSTATUS
 583 NtfsGetFCBForFile(PNTFS_VCB Vcb,
 584                   PNTFS_FCB *pParentFCB,
 585                   PNTFS_FCB *pFCB,
 586                   const PWSTR pFileName);
 587
 588
 589 /* finfo.c */
 590
 591 DRIVER_DISPATCH NtfsFsdQueryInformation;
 592 NTSTATUS NTAPI
 593 NtfsFsdQueryInformation(PDEVICE_OBJECT DeviceObject,
 594                         PIRP Irp);
 595
 596
 597 /* fsctl.c */
 598
 599 DRIVER_DISPATCH NtfsFsdFileSystemControl;
 600 NTSTATUS NTAPI
 601 NtfsFsdFileSystemControl(PDEVICE_OBJECT DeviceObject,
 602                          PIRP Irp);
 603
 604
 605 /* mft.c */
 606 VOID
 607 ReleaseAttributeContext(PNTFS_ATTR_CONTEXT Context);
 608
 609 ULONG
 610 ReadAttribute(PDEVICE_EXTENSION Vcb,
 611               PNTFS_ATTR_CONTEXT Context,
 612               ULONGLONG Offset,
 613               PCHAR Buffer,
 614               ULONG Length);
 615
 616 ULONGLONG
 617 AttributeDataLength(PNTFS_ATTR_RECORD AttrRecord);
 618
 619 ULONG
 620 AttributeAllocatedLength(PNTFS_ATTR_RECORD AttrRecord);
 621
 622 NTSTATUS
 623 ReadFileRecord(PDEVICE_EXTENSION Vcb,
 624                ULONGLONG index,
 625                PFILE_RECORD_HEADER file);
 626
 627 NTSTATUS
 628 FindAttribute(PDEVICE_EXTENSION Vcb,
 629               PFILE_RECORD_HEADER MftRecord,
 630               ULONG Type,
 631               PCWSTR Name,
 632               ULONG NameLength,
 633               PNTFS_ATTR_CONTEXT * AttrCtx);
 634
 635 VOID
 636 ReadVCN(PDEVICE_EXTENSION Vcb,
 637         PFILE_RECORD_HEADER file,
 638         ATTRIBUTE_TYPE type,
 639         ULONGLONG vcn,
 640         ULONG count,
 641         PVOID buffer);
 642
 643 NTSTATUS
 644 FixupUpdateSequenceArray(PDEVICE_EXTENSION Vcb,
 645                          PNTFS_RECORD_HEADER Record);
 646
 647 NTSTATUS
 648 ReadLCN(PDEVICE_EXTENSION Vcb,
 649         ULONGLONG lcn,
 650         ULONG count,
 651         PVOID buffer);
 652
 653 VOID
 654 EnumerAttribute(PFILE_RECORD_HEADER file,
 655                 PDEVICE_EXTENSION Vcb,
 656                 PDEVICE_OBJECT DeviceObject);
 657
 658 NTSTATUS
 659 NtfsLookupFile(PDEVICE_EXTENSION Vcb,
 660                PUNICODE_STRING PathName,
 661                PFILE_RECORD_HEADER *FileRecord,
 662                PNTFS_ATTR_CONTEXT *DataContext,
 663                PULONGLONG MFTIndex);
 664
 665 NTSTATUS
 666 NtfsLookupFileAt(PDEVICE_EXTENSION Vcb,
 667                  PUNICODE_STRING PathName,
 668                  PFILE_RECORD_HEADER *FileRecord,
 669                  PNTFS_ATTR_CONTEXT *DataContext,
 670                  PULONGLONG MFTIndex,
 671                  ULONGLONG CurrentMFTIndex);
 672
 673 NTSTATUS
 674 NtfsFindFileAt(PDEVICE_EXTENSION Vcb,
 675                PUNICODE_STRING SearchPattern,
 676                PULONG FirstEntry,
 677                PFILE_RECORD_HEADER *FileRecord,
 678                PNTFS_ATTR_CONTEXT *DataContext,
 679                PULONGLONG MFTIndex,
 680                ULONGLONG CurrentMFTIndex);
 681
 682 /* misc.c */
 683
 684 BOOLEAN
 685 NtfsIsIrpTopLevel(PIRP Irp);
 686
 687 PNTFS_IRP_CONTEXT
 688 NtfsAllocateIrpContext(PDEVICE_OBJECT DeviceObject,
 689                        PIRP Irp);
 690
 691 #if 0
 692 BOOLEAN
 693 wstrcmpjoki(PWSTR s1, PWSTR s2);
 694
 695 VOID
 696 CdfsSwapString(PWCHAR Out,
 697                PUCHAR In,
 698                ULONG Count);
 699 #endif
 700
 701 VOID
 702 NtfsFileFlagsToAttributes(ULONG NtfsAttributes,
 703                           PULONG FileAttributes);
 704
 705
 706 /* rw.c */
 707
 708 DRIVER_DISPATCH NtfsFsdRead;
 709 NTSTATUS NTAPI
 710 NtfsFsdRead(PDEVICE_OBJECT DeviceObject,
 711             PIRP Irp);
 712
 713 DRIVER_DISPATCH NtfsFsdWrite;
 714 NTSTATUS NTAPI
 715 NtfsFsdWrite(PDEVICE_OBJECT DeviceObject,
 716              PIRP Irp);
 717
 718
 719 /* volinfo.c */
 720
 721 ULONGLONG
 722 NtfsGetFreeClusters(PDEVICE_EXTENSION DeviceExt);
 723
 724 NTSTATUS
 725 NtfsQueryVolumeInformation(PNTFS_IRP_CONTEXT IrpContext);
 726
 727 NTSTATUS
 728 NtfsSetVolumeInformation(PNTFS_IRP_CONTEXT IrpContext);
 729
 730
 731 /* ntfs.c */
 732
 733 DRIVER_INITIALIZE DriverEntry;
 734
 735 VOID
 736 NTAPI
 737 NtfsInitializeFunctionPointers(PDRIVER_OBJECT DriverObject);
 738
 739 #endif /* NTFS_H */