[NTFS]
[reactos.git] / 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 NtfsFCBIsReparsePoint(PNTFS_FCB Fcb);
569
570 BOOLEAN
571 NtfsFCBIsRoot(PNTFS_FCB Fcb);
572
573 VOID
574 NtfsGrabFCB(PNTFS_VCB Vcb,
575 PNTFS_FCB Fcb);
576
577 VOID
578 NtfsReleaseFCB(PNTFS_VCB Vcb,
579 PNTFS_FCB Fcb);
580
581 VOID
582 NtfsAddFCBToTable(PNTFS_VCB Vcb,
583 PNTFS_FCB Fcb);
584
585 PNTFS_FCB
586 NtfsGrabFCBFromTable(PNTFS_VCB Vcb,
587 PCWSTR FileName);
588
589 NTSTATUS
590 NtfsFCBInitializeCache(PNTFS_VCB Vcb,
591 PNTFS_FCB Fcb);
592
593 PNTFS_FCB
594 NtfsMakeRootFCB(PNTFS_VCB Vcb);
595
596 PNTFS_FCB
597 NtfsOpenRootFCB(PNTFS_VCB Vcb);
598
599 NTSTATUS
600 NtfsAttachFCBToFileObject(PNTFS_VCB Vcb,
601 PNTFS_FCB Fcb,
602 PFILE_OBJECT FileObject);
603
604 NTSTATUS
605 NtfsGetFCBForFile(PNTFS_VCB Vcb,
606 PNTFS_FCB *pParentFCB,
607 PNTFS_FCB *pFCB,
608 const PWSTR pFileName);
609
610
611 /* finfo.c */
612
613 DRIVER_DISPATCH NtfsFsdQueryInformation;
614 NTSTATUS NTAPI
615 NtfsFsdQueryInformation(PDEVICE_OBJECT DeviceObject,
616 PIRP Irp);
617
618
619 /* fsctl.c */
620
621 DRIVER_DISPATCH NtfsFsdFileSystemControl;
622 NTSTATUS NTAPI
623 NtfsFsdFileSystemControl(PDEVICE_OBJECT DeviceObject,
624 PIRP Irp);
625
626
627 /* mft.c */
628 VOID
629 ReleaseAttributeContext(PNTFS_ATTR_CONTEXT Context);
630
631 ULONG
632 ReadAttribute(PDEVICE_EXTENSION Vcb,
633 PNTFS_ATTR_CONTEXT Context,
634 ULONGLONG Offset,
635 PCHAR Buffer,
636 ULONG Length);
637
638 ULONGLONG
639 AttributeDataLength(PNTFS_ATTR_RECORD AttrRecord);
640
641 ULONG
642 AttributeAllocatedLength(PNTFS_ATTR_RECORD AttrRecord);
643
644 NTSTATUS
645 ReadFileRecord(PDEVICE_EXTENSION Vcb,
646 ULONGLONG index,
647 PFILE_RECORD_HEADER file);
648
649 NTSTATUS
650 FindAttribute(PDEVICE_EXTENSION Vcb,
651 PFILE_RECORD_HEADER MftRecord,
652 ULONG Type,
653 PCWSTR Name,
654 ULONG NameLength,
655 PNTFS_ATTR_CONTEXT * AttrCtx);
656
657 VOID
658 ReadVCN(PDEVICE_EXTENSION Vcb,
659 PFILE_RECORD_HEADER file,
660 ATTRIBUTE_TYPE type,
661 ULONGLONG vcn,
662 ULONG count,
663 PVOID buffer);
664
665 NTSTATUS
666 FixupUpdateSequenceArray(PDEVICE_EXTENSION Vcb,
667 PNTFS_RECORD_HEADER Record);
668
669 NTSTATUS
670 ReadLCN(PDEVICE_EXTENSION Vcb,
671 ULONGLONG lcn,
672 ULONG count,
673 PVOID buffer);
674
675 VOID
676 EnumerAttribute(PFILE_RECORD_HEADER file,
677 PDEVICE_EXTENSION Vcb,
678 PDEVICE_OBJECT DeviceObject);
679
680 NTSTATUS
681 NtfsLookupFile(PDEVICE_EXTENSION Vcb,
682 PUNICODE_STRING PathName,
683 PFILE_RECORD_HEADER *FileRecord,
684 PNTFS_ATTR_CONTEXT *DataContext,
685 PULONGLONG MFTIndex);
686
687 NTSTATUS
688 NtfsLookupFileAt(PDEVICE_EXTENSION Vcb,
689 PUNICODE_STRING PathName,
690 PFILE_RECORD_HEADER *FileRecord,
691 PNTFS_ATTR_CONTEXT *DataContext,
692 PULONGLONG MFTIndex,
693 ULONGLONG CurrentMFTIndex);
694
695 NTSTATUS
696 NtfsFindFileAt(PDEVICE_EXTENSION Vcb,
697 PUNICODE_STRING SearchPattern,
698 PULONG FirstEntry,
699 PFILE_RECORD_HEADER *FileRecord,
700 PNTFS_ATTR_CONTEXT *DataContext,
701 PULONGLONG MFTIndex,
702 ULONGLONG CurrentMFTIndex);
703
704 /* misc.c */
705
706 BOOLEAN
707 NtfsIsIrpTopLevel(PIRP Irp);
708
709 PNTFS_IRP_CONTEXT
710 NtfsAllocateIrpContext(PDEVICE_OBJECT DeviceObject,
711 PIRP Irp);
712
713 #if 0
714 BOOLEAN
715 wstrcmpjoki(PWSTR s1, PWSTR s2);
716
717 VOID
718 CdfsSwapString(PWCHAR Out,
719 PUCHAR In,
720 ULONG Count);
721 #endif
722
723 VOID
724 NtfsFileFlagsToAttributes(ULONG NtfsAttributes,
725 PULONG FileAttributes);
726
727
728 /* rw.c */
729
730 DRIVER_DISPATCH NtfsFsdRead;
731 NTSTATUS NTAPI
732 NtfsFsdRead(PDEVICE_OBJECT DeviceObject,
733 PIRP Irp);
734
735 DRIVER_DISPATCH NtfsFsdWrite;
736 NTSTATUS NTAPI
737 NtfsFsdWrite(PDEVICE_OBJECT DeviceObject,
738 PIRP Irp);
739
740
741 /* volinfo.c */
742
743 ULONGLONG
744 NtfsGetFreeClusters(PDEVICE_EXTENSION DeviceExt);
745
746 NTSTATUS
747 NtfsQueryVolumeInformation(PNTFS_IRP_CONTEXT IrpContext);
748
749 NTSTATUS
750 NtfsSetVolumeInformation(PNTFS_IRP_CONTEXT IrpContext);
751
752
753 /* ntfs.c */
754
755 DRIVER_INITIALIZE DriverEntry;
756
757 VOID
758 NTAPI
759 NtfsInitializeFunctionPointers(PDRIVER_OBJECT DriverObject);
760
761 #endif /* NTFS_H */