reactos/drivers/filesystems/ntfs/ntfs.h

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