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 #ifdef __GNUC__
   8 #define INIT_SECTION __attribute__((section ("INIT")))
   9 #else
  10 #define INIT_SECTION /* Done via alloc_text for MSC */
  11 #endif
  12
  13 #define CACHEPAGESIZE(pDeviceExt) \
  14         ((pDeviceExt)->NtfsInfo.UCHARsPerCluster > PAGE_SIZE ? \
  15          (pDeviceExt)->NtfsInfo.UCHARsPerCluster : PAGE_SIZE)
  16
  17 #define TAG_NTFS 'SFTN'
  18
  19 #define ROUND_UP(N, S) ((((N) + (S) - 1) / (S)) * (S))
  20 #define ROUND_DOWN(N, S) ((N) - ((N) % (S)))
  21
  22 #define DEVICE_NAME L"\\Ntfs"
  23
  24 #include <pshpack1.h>
  25 typedef struct _BIOS_PARAMETERS_BLOCK
  26 {
  27     USHORT    BytesPerSector;                   // 0x0B
  28     UCHAR     SectorsPerCluster;                // 0x0D
  29     UCHAR     Unused0[7];                               // 0x0E, checked when volume is mounted
  30     UCHAR     MediaId;                          // 0x15
  31     UCHAR     Unused1[2];                               // 0x16
  32     USHORT    SectorsPerTrack;          // 0x18
  33     USHORT    Heads;                                    // 0x1A
  34     UCHAR     Unused2[4];                               // 0x1C
  35     UCHAR     Unused3[4];                               // 0x20, checked when volume is mounted
  36 } BIOS_PARAMETERS_BLOCK, *PBIOS_PARAMETERS_BLOCK;
  37
  38 typedef struct _EXTENDED_BIOS_PARAMETERS_BLOCK
  39 {
  40     USHORT    Unknown[2];                               // 0x24, always 80 00 80 00
  41     ULONGLONG SectorCount;                      // 0x28
  42     ULONGLONG MftLocation;                      // 0x30
  43     ULONGLONG MftMirrLocation;          // 0x38
  44     CHAR      ClustersPerMftRecord;     // 0x40
  45     UCHAR     Unused4[3];                               // 0x41
  46     CHAR      ClustersPerIndexRecord; // 0x44
  47     UCHAR     Unused5[3];                               // 0x45
  48     ULONGLONG SerialNumber;                     // 0x48
  49     UCHAR     Checksum[4];                      // 0x50
  50 } EXTENDED_BIOS_PARAMETERS_BLOCK, *PEXTENDED_BIOS_PARAMETERS_BLOCK;
  51
  52 typedef struct _BOOT_SECTOR
  53 {
  54     UCHAR     Jump[3];                          // 0x00
  55     UCHAR     OEMID[8];                         // 0x03
  56     BIOS_PARAMETERS_BLOCK BPB;
  57     EXTENDED_BIOS_PARAMETERS_BLOCK EBPB;
  58     UCHAR     BootStrap[426];                   // 0x54
  59     USHORT    EndSector;                                // 0x1FE
  60 } BOOT_SECTOR, *PBOOT_SECTOR;
  61 #include <poppack.h>
  62
  63 //typedef struct _BootSector BootSector;
  64
  65 typedef struct _NTFS_INFO
  66 {
  67     ULONG BytesPerSector;
  68     ULONG SectorsPerCluster;
  69     ULONG BytesPerCluster;
  70     ULONGLONG SectorCount;
  71     ULONGLONG ClusterCount;
  72     ULARGE_INTEGER MftStart;
  73     ULARGE_INTEGER MftMirrStart;
  74     ULONG BytesPerFileRecord;
  75     ULONG BytesPerIndexRecord;
  76
  77     ULONGLONG SerialNumber;
  78     USHORT VolumeLabelLength;
  79     WCHAR VolumeLabel[MAXIMUM_VOLUME_LABEL_LENGTH];
  80     UCHAR MajorVersion;
  81     UCHAR MinorVersion;
  82     USHORT Flags;
  83
  84     ULONG MftZoneReservation;
  85 } NTFS_INFO, *PNTFS_INFO;
  86
  87 #define NTFS_TYPE_CCB         '20SF'
  88 #define NTFS_TYPE_FCB         '30SF'
  89 #define NTFS_TYPE_VCB         '50SF'
  90 #define NTFS_TYPE_IRP_CONTEXT '60SF'
  91 #define NTFS_TYPE_GLOBAL_DATA '70SF'
  92
  93 typedef struct
  94 {
  95     ULONG Type;
  96     ULONG Size;
  97 } NTFSIDENTIFIER, *PNTFSIDENTIFIER;
  98
  99 typedef struct
 100 {
 101     NTFSIDENTIFIER Identifier;
 102
 103     ERESOURCE DirResource;
 104 //    ERESOURCE FatResource;
 105
 106     KSPIN_LOCK FcbListLock;
 107     LIST_ENTRY FcbListHead;
 108
 109     PVPB Vpb;
 110     PDEVICE_OBJECT StorageDevice;
 111     PFILE_OBJECT StreamFileObject;
 112
 113     struct _NTFS_ATTR_CONTEXT* MFTContext;
 114     struct _FILE_RECORD_HEADER* MasterFileTable;
 115     struct _FCB *VolumeFcb;
 116
 117     NTFS_INFO NtfsInfo;
 118
 119     ULONG Flags;
 120     ULONG OpenHandleCount;
 121
 122 } DEVICE_EXTENSION, *PDEVICE_EXTENSION, NTFS_VCB, *PNTFS_VCB;
 123
 124 #define VCB_VOLUME_LOCKED       0x0001
 125
 126 typedef struct
 127 {
 128     NTFSIDENTIFIER Identifier;
 129     LIST_ENTRY     NextCCB;
 130     PFILE_OBJECT   PtrFileObject;
 131     LARGE_INTEGER  CurrentByteOffset;
 132     /* for DirectoryControl */
 133     ULONG Entry;
 134     /* for DirectoryControl */
 135     PWCHAR DirectorySearchPattern;
 136     ULONG LastCluster;
 137     ULONG LastOffset;
 138 } NTFS_CCB, *PNTFS_CCB;
 139
 140 #define TAG_CCB 'BCCI'
 141 #define TAG_FCB 'BCFI'
 142
 143 typedef struct
 144 {
 145     NTFSIDENTIFIER Identifier;
 146     ERESOURCE Resource;
 147     PDRIVER_OBJECT DriverObject;
 148     PDEVICE_OBJECT DeviceObject;
 149     CACHE_MANAGER_CALLBACKS CacheMgrCallbacks;
 150     ULONG Flags;
 151     FAST_IO_DISPATCH FastIoDispatch;
 152     NPAGED_LOOKASIDE_LIST IrpContextLookasideList;
 153     NPAGED_LOOKASIDE_LIST FcbLookasideList;
 154 } NTFS_GLOBAL_DATA, *PNTFS_GLOBAL_DATA;
 155
 156
 157 typedef enum
 158 {
 159     AttributeStandardInformation = 0x10,
 160     AttributeAttributeList = 0x20,
 161     AttributeFileName = 0x30,
 162     AttributeObjectId = 0x40,
 163     AttributeSecurityDescriptor = 0x50,
 164     AttributeVolumeName = 0x60,
 165     AttributeVolumeInformation = 0x70,
 166     AttributeData = 0x80,
 167     AttributeIndexRoot = 0x90,
 168     AttributeIndexAllocation = 0xA0,
 169     AttributeBitmap = 0xB0,
 170     AttributeReparsePoint = 0xC0,
 171     AttributeEAInformation = 0xD0,
 172     AttributeEA = 0xE0,
 173     AttributePropertySet = 0xF0,
 174     AttributeLoggedUtilityStream = 0x100,
 175     AttributeEnd = 0xFFFFFFFF
 176 } ATTRIBUTE_TYPE, *PATTRIBUTE_TYPE;
 177
 178 // FILE_RECORD_END seems to follow AttributeEnd in every file record starting with $Quota.
 179 // No clue what data is being represented here.
 180 #define FILE_RECORD_END              0x11477982
 181
 182 #define NTFS_FILE_MFT                0
 183 #define NTFS_FILE_MFTMIRR            1
 184 #define NTFS_FILE_LOGFILE            2
 185 #define NTFS_FILE_VOLUME            3
 186 #define NTFS_FILE_ATTRDEF            4
 187 #define NTFS_FILE_ROOT                5
 188 #define NTFS_FILE_BITMAP            6
 189 #define NTFS_FILE_BOOT                7
 190 #define NTFS_FILE_BADCLUS            8
 191 #define NTFS_FILE_QUOTA                9
 192 #define NTFS_FILE_UPCASE            10
 193 #define NTFS_FILE_EXTEND            11
 194
 195 #define NTFS_MFT_MASK 0x0000FFFFFFFFFFFFULL
 196
 197 #define COLLATION_BINARY              0x00
 198 #define COLLATION_FILE_NAME           0x01
 199 #define COLLATION_UNICODE_STRING      0x02
 200 #define COLLATION_NTOFS_ULONG         0x10
 201 #define COLLATION_NTOFS_SID           0x11
 202 #define COLLATION_NTOFS_SECURITY_HASH 0x12
 203 #define COLLATION_NTOFS_ULONGS        0x13
 204
 205 #define INDEX_ROOT_SMALL 0x0
 206 #define INDEX_ROOT_LARGE 0x1
 207
 208 #define NTFS_INDEX_ENTRY_NODE            1
 209 #define NTFS_INDEX_ENTRY_END            2
 210
 211 #define NTFS_FILE_NAME_POSIX            0
 212 #define NTFS_FILE_NAME_WIN32            1
 213 #define NTFS_FILE_NAME_DOS            2
 214 #define NTFS_FILE_NAME_WIN32_AND_DOS        3
 215
 216 #define NTFS_FILE_TYPE_READ_ONLY  0x1
 217 #define NTFS_FILE_TYPE_HIDDEN     0x2
 218 #define NTFS_FILE_TYPE_SYSTEM     0x4
 219 #define NTFS_FILE_TYPE_ARCHIVE    0x20
 220 #define NTFS_FILE_TYPE_REPARSE    0x400
 221 #define NTFS_FILE_TYPE_COMPRESSED 0x800
 222 #define NTFS_FILE_TYPE_DIRECTORY  0x10000000
 223
 224 typedef struct
 225 {
 226     ULONG Type;             /* Magic number 'FILE' */
 227     USHORT UsaOffset;       /* Offset to the update sequence */
 228     USHORT UsaCount;        /* Size in words of Update Sequence Number & Array (S) */
 229     ULONGLONG Lsn;          /* $LogFile Sequence Number (LSN) */
 230 } NTFS_RECORD_HEADER, *PNTFS_RECORD_HEADER;
 231
 232 /* NTFS_RECORD_HEADER.Type */
 233 #define NRH_FILE_TYPE  0x454C4946  /* 'FILE' */
 234 #define NRH_INDX_TYPE  0x58444E49  /* 'INDX' */
 235
 236
 237 typedef struct _FILE_RECORD_HEADER
 238 {
 239     NTFS_RECORD_HEADER Ntfs;
 240     USHORT SequenceNumber;        /* Sequence number */
 241     USHORT LinkCount;             /* Hard link count */
 242     USHORT AttributeOffset;       /* Offset to the first Attribute */
 243     USHORT Flags;                 /* Flags */
 244     ULONG BytesInUse;             /* Real size of the FILE record */
 245     ULONG BytesAllocated;         /* Allocated size of the FILE record */
 246     ULONGLONG BaseFileRecord;     /* File reference to the base FILE record */
 247     USHORT NextAttributeNumber;   /* Next Attribute Id */
 248     USHORT Padding;               /* Align to 4 UCHAR boundary (XP) */
 249     ULONG MFTRecordNumber;        /* Number of this MFT Record (XP) */
 250 } FILE_RECORD_HEADER, *PFILE_RECORD_HEADER;
 251
 252 /* Flags in FILE_RECORD_HEADER */
 253
 254 #define FRH_IN_USE    0x0001    /* Record is in use */
 255 #define FRH_DIRECTORY 0x0002    /* Record is a directory */
 256 #define FRH_UNKNOWN1  0x0004    /* Don't know */
 257 #define FRH_UNKNOWN2  0x0008    /* Don't know */
 258
 259 typedef struct
 260 {
 261     ULONG        Type;
 262     ULONG        Length;
 263     UCHAR        IsNonResident;
 264     UCHAR        NameLength;
 265     USHORT        NameOffset;
 266     USHORT        Flags;
 267     USHORT        Instance;
 268     union
 269     {
 270         // Resident attributes
 271         struct
 272         {
 273             ULONG        ValueLength;
 274             USHORT        ValueOffset;
 275             UCHAR        Flags;
 276             UCHAR        Reserved;
 277         } Resident;
 278         // Non-resident attributes
 279         struct
 280         {
 281             ULONGLONG        LowestVCN;
 282             ULONGLONG        HighestVCN;
 283             USHORT        MappingPairsOffset;
 284             USHORT        CompressionUnit;
 285             UCHAR        Reserved[4];
 286             LONGLONG        AllocatedSize;
 287             LONGLONG        DataSize;
 288             LONGLONG        InitializedSize;
 289             LONGLONG        CompressedSize;
 290         } NonResident;
 291     };
 292 } NTFS_ATTR_RECORD, *PNTFS_ATTR_RECORD;
 293
 294 typedef struct
 295 {
 296     ULONGLONG CreationTime;
 297     ULONGLONG ChangeTime;
 298     ULONGLONG LastWriteTime;
 299     ULONGLONG LastAccessTime;
 300     ULONG FileAttribute;
 301     ULONG AlignmentOrReserved[3];
 302 #if 0
 303     ULONG QuotaId;
 304     ULONG SecurityId;
 305     ULONGLONG QuotaCharge;
 306     USN Usn;
 307 #endif
 308 } STANDARD_INFORMATION, *PSTANDARD_INFORMATION;
 309
 310
 311 typedef struct
 312 {
 313     ATTRIBUTE_TYPE AttributeType;
 314     USHORT Length;
 315     UCHAR NameLength;
 316     UCHAR NameOffset;
 317     ULONGLONG StartVcn; // LowVcn
 318     ULONGLONG FileReferenceNumber;
 319     USHORT AttributeNumber;
 320     USHORT AlignmentOrReserved[3];
 321 } ATTRIBUTE_LIST, *PATTRIBUTE_LIST;
 322
 323
 324 typedef struct
 325 {
 326     ULONGLONG DirectoryFileReferenceNumber;
 327     ULONGLONG CreationTime;
 328     ULONGLONG ChangeTime;
 329     ULONGLONG LastWriteTime;
 330     ULONGLONG LastAccessTime;
 331     ULONGLONG AllocatedSize;
 332     ULONGLONG DataSize;
 333     ULONG FileAttributes;
 334     union
 335     {
 336         struct
 337         {
 338             USHORT PackedEaSize;
 339             USHORT AlignmentOrReserved;
 340         } EaInfo;
 341         ULONG ReparseTag;
 342     } Extended;
 343     UCHAR NameLength;
 344     UCHAR NameType;
 345     WCHAR Name[1];
 346 } FILENAME_ATTRIBUTE, *PFILENAME_ATTRIBUTE;
 347
 348 typedef struct
 349 {
 350     ULONG FirstEntryOffset;
 351     ULONG TotalSizeOfEntries;
 352     ULONG AllocatedSize;
 353     UCHAR Flags;
 354     UCHAR Padding[3];
 355 } INDEX_HEADER_ATTRIBUTE, *PINDEX_HEADER_ATTRIBUTE;
 356
 357 typedef struct
 358 {
 359     ULONG AttributeType;
 360     ULONG CollationRule;
 361     ULONG SizeOfEntry;
 362     UCHAR ClustersPerIndexRecord;
 363     UCHAR Padding[3];
 364     INDEX_HEADER_ATTRIBUTE Header;
 365 } INDEX_ROOT_ATTRIBUTE, *PINDEX_ROOT_ATTRIBUTE;
 366
 367 typedef struct
 368 {
 369     NTFS_RECORD_HEADER Ntfs;
 370     ULONGLONG VCN;
 371     INDEX_HEADER_ATTRIBUTE Header;
 372 } INDEX_BUFFER, *PINDEX_BUFFER;
 373
 374 typedef struct
 375 {
 376     union
 377     {
 378         struct
 379         {
 380             ULONGLONG    IndexedFile;
 381         } Directory;
 382         struct
 383         {
 384             USHORT    DataOffset;
 385             USHORT    DataLength;
 386             ULONG    Reserved;
 387         } ViewIndex;
 388     } Data;
 389     USHORT            Length;
 390     USHORT            KeyLength;
 391     USHORT            Flags;
 392     USHORT            Reserved;
 393     FILENAME_ATTRIBUTE    FileName;
 394 } INDEX_ENTRY_ATTRIBUTE, *PINDEX_ENTRY_ATTRIBUTE;
 395
 396 typedef struct
 397 {
 398     ULONGLONG Unknown1;
 399     UCHAR MajorVersion;
 400     UCHAR MinorVersion;
 401     USHORT Flags;
 402     ULONG Unknown2;
 403 } VOLINFO_ATTRIBUTE, *PVOLINFO_ATTRIBUTE;
 404
 405 typedef struct {
 406     ULONG ReparseTag;
 407     USHORT DataLength;
 408     USHORT Reserved;
 409     UCHAR Data[1];
 410 } REPARSE_POINT_ATTRIBUTE, *PREPARSE_POINT_ATTRIBUTE;
 411
 412 #define IRPCONTEXT_CANWAIT 0x1
 413 #define IRPCONTEXT_COMPLETE 0x2
 414 #define IRPCONTEXT_QUEUE 0x4
 415
 416 typedef struct
 417 {
 418     NTFSIDENTIFIER Identifier;
 419     ULONG Flags;
 420     PIO_STACK_LOCATION Stack;
 421     UCHAR MajorFunction;
 422     UCHAR MinorFunction;
 423     WORK_QUEUE_ITEM WorkQueueItem;
 424     PIRP Irp;
 425     BOOLEAN IsTopLevel;
 426     PDEVICE_OBJECT DeviceObject;
 427     PFILE_OBJECT FileObject;
 428     NTSTATUS SavedExceptionCode;
 429     CCHAR PriorityBoost;
 430 } NTFS_IRP_CONTEXT, *PNTFS_IRP_CONTEXT;
 431
 432 typedef struct _NTFS_ATTR_CONTEXT
 433 {
 434     PUCHAR            CacheRun;
 435     ULONGLONG            CacheRunOffset;
 436     LONGLONG            CacheRunStartLCN;
 437     ULONGLONG            CacheRunLength;
 438     LONGLONG            CacheRunLastLCN;
 439     ULONGLONG            CacheRunCurrentOffset;
 440     ULONGLONG           FileMFTIndex;
 441     NTFS_ATTR_RECORD    Record;
 442 } NTFS_ATTR_CONTEXT, *PNTFS_ATTR_CONTEXT;
 443
 444 #define FCB_CACHE_INITIALIZED   0x0001
 445 #define FCB_IS_VOLUME_STREAM    0x0002
 446 #define FCB_IS_VOLUME           0x0004
 447 #define MAX_PATH                260
 448
 449 typedef struct _FCB
 450 {
 451     NTFSIDENTIFIER Identifier;
 452
 453     FSRTL_COMMON_FCB_HEADER RFCB;
 454     SECTION_OBJECT_POINTERS SectionObjectPointers;
 455
 456     PFILE_OBJECT FileObject;
 457     PNTFS_VCB Vcb;
 458
 459     WCHAR Stream[MAX_PATH];
 460     WCHAR *ObjectName;          /* point on filename (250 chars max) in PathName */
 461     WCHAR PathName[MAX_PATH];   /* path+filename 260 max */
 462
 463     ERESOURCE PagingIoResource;
 464     ERESOURCE MainResource;
 465
 466     LIST_ENTRY FcbListEntry;
 467     struct _FCB* ParentFcb;
 468
 469     ULONG DirIndex;
 470
 471     LONG RefCount;
 472     ULONG Flags;
 473     ULONG OpenHandleCount;
 474
 475     ULONGLONG MFTIndex;
 476     USHORT LinkCount;
 477
 478     FILENAME_ATTRIBUTE Entry;
 479
 480 } NTFS_FCB, *PNTFS_FCB;
 481
 482 typedef struct _FIND_ATTR_CONTXT
 483 {
 484     PDEVICE_EXTENSION Vcb;
 485     BOOLEAN OnlyResident;
 486     PNTFS_ATTR_RECORD FirstAttr;
 487     PNTFS_ATTR_RECORD CurrAttr;
 488     PNTFS_ATTR_RECORD LastAttr;
 489     PNTFS_ATTR_RECORD NonResidentStart;
 490     PNTFS_ATTR_RECORD NonResidentEnd;
 491     ULONG Offset;
 492 } FIND_ATTR_CONTXT, *PFIND_ATTR_CONTXT;
 493
 494 typedef struct
 495 {
 496     USHORT USN;
 497     USHORT Array[];
 498 } FIXUP_ARRAY, *PFIXUP_ARRAY;
 499
 500 extern PNTFS_GLOBAL_DATA NtfsGlobalData;
 501
 502 FORCEINLINE
 503 NTSTATUS
 504 NtfsMarkIrpContextForQueue(PNTFS_IRP_CONTEXT IrpContext)
 505 {
 506     PULONG Flags = &IrpContext->Flags;
 507
 508     *Flags &= ~IRPCONTEXT_COMPLETE;
 509     *Flags |= IRPCONTEXT_QUEUE;
 510
 511     return STATUS_PENDING;
 512 }
 513
 514 /* attrib.c */
 515
 516 //VOID
 517 //NtfsDumpAttribute(PATTRIBUTE Attribute);
 518
 519 NTSTATUS
 520 AddRun(PNTFS_VCB Vcb,
 521        PNTFS_ATTR_CONTEXT AttrContext,
 522        ULONG AttrOffset,
 523        PFILE_RECORD_HEADER FileRecord,
 524        ULONGLONG NextAssignedCluster,
 525        ULONG RunLength);
 526
 527 NTSTATUS
 528 ConvertDataRunsToLargeMCB(PUCHAR DataRun,
 529                           PLARGE_MCB DataRunsMCB,
 530                           PULONGLONG pNextVBN);
 531
 532 NTSTATUS
 533 ConvertLargeMCBToDataRuns(PLARGE_MCB DataRunsMCB,
 534                           PUCHAR RunBuffer,
 535                           ULONG MaxBufferSize,
 536                           PULONG UsedBufferSize);
 537
 538 PUCHAR
 539 DecodeRun(PUCHAR DataRun,
 540           LONGLONG *DataRunOffset,
 541           ULONGLONG *DataRunLength);
 542
 543 VOID
 544 NtfsDumpDataRuns(PVOID StartOfRun,
 545                  ULONGLONG CurrentLCN);
 546
 547 VOID
 548 NtfsDumpFileAttributes(PDEVICE_EXTENSION Vcb,
 549                        PFILE_RECORD_HEADER FileRecord);
 550
 551 PSTANDARD_INFORMATION
 552 GetStandardInformationFromRecord(PDEVICE_EXTENSION Vcb,
 553                                  PFILE_RECORD_HEADER FileRecord);
 554
 555 PFILENAME_ATTRIBUTE
 556 GetFileNameFromRecord(PDEVICE_EXTENSION Vcb,
 557                       PFILE_RECORD_HEADER FileRecord,
 558                       UCHAR NameType);
 559
 560 UCHAR
 561 GetPackedByteCount(LONGLONG NumberToPack,
 562                    BOOLEAN IsSigned);
 563
 564 NTSTATUS
 565 GetLastClusterInDataRun(PDEVICE_EXTENSION Vcb,
 566                         PNTFS_ATTR_RECORD Attribute,
 567                         PULONGLONG LastCluster);
 568
 569 PFILENAME_ATTRIBUTE
 570 GetBestFileNameFromRecord(PDEVICE_EXTENSION Vcb,
 571                           PFILE_RECORD_HEADER FileRecord);
 572
 573 NTSTATUS
 574 FindFirstAttribute(PFIND_ATTR_CONTXT Context,
 575                    PDEVICE_EXTENSION Vcb,
 576                    PFILE_RECORD_HEADER FileRecord,
 577                    BOOLEAN OnlyResident,
 578                    PNTFS_ATTR_RECORD * Attribute);
 579
 580 NTSTATUS
 581 FindNextAttribute(PFIND_ATTR_CONTXT Context,
 582                   PNTFS_ATTR_RECORD * Attribute);
 583
 584 VOID
 585 FindCloseAttribute(PFIND_ATTR_CONTXT Context);
 586
 587 NTSTATUS
 588 FreeClusters(PNTFS_VCB Vcb,
 589              PNTFS_ATTR_CONTEXT AttrContext,
 590              ULONG AttrOffset,
 591              PFILE_RECORD_HEADER FileRecord,
 592              ULONG ClustersToFree);
 593
 594 /* blockdev.c */
 595
 596 NTSTATUS
 597 NtfsReadDisk(IN PDEVICE_OBJECT DeviceObject,
 598              IN LONGLONG StartingOffset,
 599              IN ULONG Length,
 600              IN ULONG SectorSize,
 601              IN OUT PUCHAR Buffer,
 602              IN BOOLEAN Override);
 603
 604 NTSTATUS
 605 NtfsWriteDisk(IN PDEVICE_OBJECT DeviceObject,
 606               IN LONGLONG StartingOffset,
 607               IN ULONG Length,
 608               IN ULONG SectorSize,
 609               IN const PUCHAR Buffer);
 610
 611 NTSTATUS
 612 NtfsReadSectors(IN PDEVICE_OBJECT DeviceObject,
 613                 IN ULONG DiskSector,
 614                 IN ULONG SectorCount,
 615                 IN ULONG SectorSize,
 616                 IN OUT PUCHAR Buffer,
 617                 IN BOOLEAN Override);
 618
 619 NTSTATUS
 620 NtfsDeviceIoControl(IN PDEVICE_OBJECT DeviceObject,
 621                     IN ULONG ControlCode,
 622                     IN PVOID InputBuffer,
 623                     IN ULONG InputBufferSize,
 624                     IN OUT PVOID OutputBuffer,
 625                     IN OUT PULONG OutputBufferSize,
 626                     IN BOOLEAN Override);
 627
 628
 629 /* close.c */
 630
 631 NTSTATUS
 632 NtfsCleanup(PNTFS_IRP_CONTEXT IrpContext);
 633
 634
 635 /* close.c */
 636
 637 NTSTATUS
 638 NtfsCloseFile(PDEVICE_EXTENSION DeviceExt,
 639               PFILE_OBJECT FileObject);
 640
 641 NTSTATUS
 642 NtfsClose(PNTFS_IRP_CONTEXT IrpContext);
 643
 644
 645 /* create.c */
 646
 647 NTSTATUS
 648 NtfsCreate(PNTFS_IRP_CONTEXT IrpContext);
 649
 650
 651 /* devctl.c */
 652
 653 NTSTATUS
 654 NtfsDeviceControl(PNTFS_IRP_CONTEXT IrpContext);
 655
 656
 657 /* dirctl.c */
 658
 659 ULONGLONG
 660 NtfsGetFileSize(PDEVICE_EXTENSION DeviceExt,
 661                 PFILE_RECORD_HEADER FileRecord,
 662                 PCWSTR Stream,
 663                 ULONG StreamLength,
 664                 PULONGLONG AllocatedSize);
 665
 666 NTSTATUS
 667 NtfsDirectoryControl(PNTFS_IRP_CONTEXT IrpContext);
 668
 669
 670 /* dispatch.c */
 671
 672 DRIVER_DISPATCH NtfsFsdDispatch;
 673 NTSTATUS NTAPI
 674 NtfsFsdDispatch(PDEVICE_OBJECT DeviceObject,
 675                 PIRP Irp);
 676
 677
 678 /* fastio.c */
 679
 680 BOOLEAN NTAPI
 681 NtfsAcqLazyWrite(PVOID Context,
 682                  BOOLEAN Wait);
 683
 684 VOID NTAPI
 685 NtfsRelLazyWrite(PVOID Context);
 686
 687 BOOLEAN NTAPI
 688 NtfsAcqReadAhead(PVOID Context,
 689                  BOOLEAN Wait);
 690
 691 VOID NTAPI
 692 NtfsRelReadAhead(PVOID Context);
 693
 694 FAST_IO_CHECK_IF_POSSIBLE NtfsFastIoCheckIfPossible;
 695 FAST_IO_READ NtfsFastIoRead;
 696 FAST_IO_WRITE NtfsFastIoWrite;
 697
 698
 699 /* fcb.c */
 700
 701 PNTFS_FCB
 702 NtfsCreateFCB(PCWSTR FileName,
 703               PCWSTR Stream,
 704               PNTFS_VCB Vcb);
 705
 706 VOID
 707 NtfsDestroyFCB(PNTFS_FCB Fcb);
 708
 709 BOOLEAN
 710 NtfsFCBIsDirectory(PNTFS_FCB Fcb);
 711
 712 BOOLEAN
 713 NtfsFCBIsReparsePoint(PNTFS_FCB Fcb);
 714
 715 BOOLEAN
 716 NtfsFCBIsCompressed(PNTFS_FCB Fcb);
 717
 718 BOOLEAN
 719 NtfsFCBIsRoot(PNTFS_FCB Fcb);
 720
 721 VOID
 722 NtfsGrabFCB(PNTFS_VCB Vcb,
 723             PNTFS_FCB Fcb);
 724
 725 VOID
 726 NtfsReleaseFCB(PNTFS_VCB Vcb,
 727                PNTFS_FCB Fcb);
 728
 729 VOID
 730 NtfsAddFCBToTable(PNTFS_VCB Vcb,
 731                   PNTFS_FCB Fcb);
 732
 733 PNTFS_FCB
 734 NtfsGrabFCBFromTable(PNTFS_VCB Vcb,
 735                      PCWSTR FileName);
 736
 737 NTSTATUS
 738 NtfsFCBInitializeCache(PNTFS_VCB Vcb,
 739                        PNTFS_FCB Fcb);
 740
 741 PNTFS_FCB
 742 NtfsMakeRootFCB(PNTFS_VCB Vcb);
 743
 744 PNTFS_FCB
 745 NtfsOpenRootFCB(PNTFS_VCB Vcb);
 746
 747 NTSTATUS
 748 NtfsAttachFCBToFileObject(PNTFS_VCB Vcb,
 749                           PNTFS_FCB Fcb,
 750                           PFILE_OBJECT FileObject);
 751
 752 NTSTATUS
 753 NtfsGetFCBForFile(PNTFS_VCB Vcb,
 754                   PNTFS_FCB *pParentFCB,
 755                   PNTFS_FCB *pFCB,
 756                   const PWSTR pFileName);
 757
 758 NTSTATUS
 759 NtfsReadFCBAttribute(PNTFS_VCB Vcb,
 760                      PNTFS_FCB pFCB,
 761                      ULONG Type,
 762                      PCWSTR Name,
 763                      ULONG NameLength,
 764                      PVOID * Data);
 765
 766 NTSTATUS
 767 NtfsMakeFCBFromDirEntry(PNTFS_VCB Vcb,
 768                         PNTFS_FCB DirectoryFCB,
 769                         PUNICODE_STRING Name,
 770                         PCWSTR Stream,
 771                         PFILE_RECORD_HEADER Record,
 772                         ULONGLONG MFTIndex,
 773                         PNTFS_FCB * fileFCB);
 774
 775
 776 /* finfo.c */
 777
 778 NTSTATUS
 779 NtfsQueryInformation(PNTFS_IRP_CONTEXT IrpContext);
 780
 781
 782 /* fsctl.c */
 783
 784 NTSTATUS
 785 NtfsFileSystemControl(PNTFS_IRP_CONTEXT IrpContext);
 786
 787
 788 /* mft.c */
 789 PNTFS_ATTR_CONTEXT
 790 PrepareAttributeContext(PNTFS_ATTR_RECORD AttrRecord);
 791
 792 VOID
 793 ReleaseAttributeContext(PNTFS_ATTR_CONTEXT Context);
 794
 795 ULONG
 796 ReadAttribute(PDEVICE_EXTENSION Vcb,
 797               PNTFS_ATTR_CONTEXT Context,
 798               ULONGLONG Offset,
 799               PCHAR Buffer,
 800               ULONG Length);
 801
 802 NTSTATUS
 803 WriteAttribute(PDEVICE_EXTENSION Vcb,
 804                PNTFS_ATTR_CONTEXT Context,
 805                ULONGLONG Offset,
 806                const PUCHAR Buffer,
 807                ULONG Length,
 808                PULONG LengthWritten);
 809
 810 ULONGLONG
 811 AttributeDataLength(PNTFS_ATTR_RECORD AttrRecord);
 812
 813 NTSTATUS
 814 SetAttributeDataLength(PFILE_OBJECT FileObject,
 815                        PNTFS_FCB Fcb,
 816                        PNTFS_ATTR_CONTEXT AttrContext,
 817                        ULONG AttrOffset,
 818                        PFILE_RECORD_HEADER FileRecord,
 819                        PLARGE_INTEGER DataSize);
 820
 821 ULONGLONG
 822 AttributeAllocatedLength(PNTFS_ATTR_RECORD AttrRecord);
 823
 824 BOOLEAN
 825 CompareFileName(PUNICODE_STRING FileName,
 826                 PINDEX_ENTRY_ATTRIBUTE IndexEntry,
 827                 BOOLEAN DirSearch);
 828
 829 NTSTATUS
 830 ReadFileRecord(PDEVICE_EXTENSION Vcb,
 831                ULONGLONG index,
 832                PFILE_RECORD_HEADER file);
 833
 834 NTSTATUS
 835 UpdateIndexEntryFileNameSize(PDEVICE_EXTENSION Vcb,
 836                              PFILE_RECORD_HEADER MftRecord,
 837                              PCHAR IndexRecord,
 838                              ULONG IndexBlockSize,
 839                              PINDEX_ENTRY_ATTRIBUTE FirstEntry,
 840                              PINDEX_ENTRY_ATTRIBUTE LastEntry,
 841                              PUNICODE_STRING FileName,
 842                              PULONG StartEntry,
 843                              PULONG CurrentEntry,
 844                              BOOLEAN DirSearch,
 845                              ULONGLONG NewDataSize,
 846                              ULONGLONG NewAllocatedSize);
 847
 848 NTSTATUS
 849 UpdateFileNameRecord(PDEVICE_EXTENSION Vcb,
 850                      ULONGLONG ParentMFTIndex,
 851                      PUNICODE_STRING FileName,
 852                      BOOLEAN DirSearch,
 853                      ULONGLONG NewDataSize,
 854                      ULONGLONG NewAllocationSize);
 855
 856 NTSTATUS
 857 UpdateFileRecord(PDEVICE_EXTENSION Vcb,
 858                  ULONGLONG index,
 859                  PFILE_RECORD_HEADER file);
 860
 861 NTSTATUS
 862 FindAttribute(PDEVICE_EXTENSION Vcb,
 863               PFILE_RECORD_HEADER MftRecord,
 864               ULONG Type,
 865               PCWSTR Name,
 866               ULONG NameLength,
 867               PNTFS_ATTR_CONTEXT * AttrCtx,
 868               PULONG Offset);
 869
 870 VOID
 871 ReadVCN(PDEVICE_EXTENSION Vcb,
 872         PFILE_RECORD_HEADER file,
 873         ATTRIBUTE_TYPE type,
 874         ULONGLONG vcn,
 875         ULONG count,
 876         PVOID buffer);
 877
 878 NTSTATUS
 879 FixupUpdateSequenceArray(PDEVICE_EXTENSION Vcb,
 880                          PNTFS_RECORD_HEADER Record);
 881
 882 NTSTATUS
 883 AddFixupArray(PDEVICE_EXTENSION Vcb,
 884               PNTFS_RECORD_HEADER Record);
 885
 886 NTSTATUS
 887 ReadLCN(PDEVICE_EXTENSION Vcb,
 888         ULONGLONG lcn,
 889         ULONG count,
 890         PVOID buffer);
 891
 892 VOID
 893 EnumerAttribute(PFILE_RECORD_HEADER file,
 894                 PDEVICE_EXTENSION Vcb,
 895                 PDEVICE_OBJECT DeviceObject);
 896
 897 NTSTATUS
 898 NtfsLookupFile(PDEVICE_EXTENSION Vcb,
 899                PUNICODE_STRING PathName,
 900                PFILE_RECORD_HEADER *FileRecord,
 901                PULONGLONG MFTIndex);
 902
 903 NTSTATUS
 904 NtfsLookupFileAt(PDEVICE_EXTENSION Vcb,
 905                  PUNICODE_STRING PathName,
 906                  PFILE_RECORD_HEADER *FileRecord,
 907                  PULONGLONG MFTIndex,
 908                  ULONGLONG CurrentMFTIndex);
 909
 910 NTSTATUS
 911 NtfsFindFileAt(PDEVICE_EXTENSION Vcb,
 912                PUNICODE_STRING SearchPattern,
 913                PULONG FirstEntry,
 914                PFILE_RECORD_HEADER *FileRecord,
 915                PULONGLONG MFTIndex,
 916                ULONGLONG CurrentMFTIndex);
 917
 918 /* misc.c */
 919
 920 BOOLEAN
 921 NtfsIsIrpTopLevel(PIRP Irp);
 922
 923 PNTFS_IRP_CONTEXT
 924 NtfsAllocateIrpContext(PDEVICE_OBJECT DeviceObject,
 925                        PIRP Irp);
 926
 927 PVOID
 928 NtfsGetUserBuffer(PIRP Irp,
 929                   BOOLEAN Paging);
 930
 931 NTSTATUS
 932 NtfsLockUserBuffer(IN PIRP Irp,
 933                    IN ULONG Length,
 934                    IN LOCK_OPERATION Operation);
 935
 936 #if 0
 937 BOOLEAN
 938 wstrcmpjoki(PWSTR s1, PWSTR s2);
 939
 940 VOID
 941 CdfsSwapString(PWCHAR Out,
 942                PUCHAR In,
 943                ULONG Count);
 944 #endif
 945
 946 VOID
 947 NtfsFileFlagsToAttributes(ULONG NtfsAttributes,
 948                           PULONG FileAttributes);
 949
 950
 951 /* rw.c */
 952
 953 NTSTATUS
 954 NtfsRead(PNTFS_IRP_CONTEXT IrpContext);
 955
 956 NTSTATUS
 957 NtfsWrite(PNTFS_IRP_CONTEXT IrpContext);
 958
 959
 960 /* volinfo.c */
 961
 962 NTSTATUS
 963 NtfsAllocateClusters(PDEVICE_EXTENSION DeviceExt,
 964                      ULONG FirstDesiredCluster,
 965                      ULONG DesiredClusters,
 966                      PULONG FirstAssignedCluster,
 967                      PULONG AssignedClusters);
 968
 969 ULONGLONG
 970 NtfsGetFreeClusters(PDEVICE_EXTENSION DeviceExt);
 971
 972 NTSTATUS
 973 NtfsQueryVolumeInformation(PNTFS_IRP_CONTEXT IrpContext);
 974
 975 NTSTATUS
 976 NtfsSetVolumeInformation(PNTFS_IRP_CONTEXT IrpContext);
 977
 978
 979 /* ntfs.c */
 980
 981 DRIVER_INITIALIZE DriverEntry;
 982
 983 VOID
 984 NTAPI
 985 NtfsInitializeFunctionPointers(PDRIVER_OBJECT DriverObject);
 986
 987 #endif /* NTFS_H */