[NTFS]
[reactos.git] / reactos / drivers / filesystems / ntfs / ntfs.h
1 #ifndef NTFS_H
2 #define NTFS_H
3
4 #include <ntifs.h>
5 #include <pseh/pseh2.h>
6
7 #define CACHEPAGESIZE(pDeviceExt) \
8 ((pDeviceExt)->NtfsInfo.UCHARsPerCluster > PAGE_SIZE ? \
9 (pDeviceExt)->NtfsInfo.UCHARsPerCluster : PAGE_SIZE)
10
11 #define TAG_NTFS 'SFTN'
12
13 #define ROUND_UP(N, S) ((((N) + (S) - 1) / (S)) * (S))
14 #define ROUND_DOWN(N, S) ((N) - ((N) % (S)))
15
16 #define DEVICE_NAME L"\\Ntfs"
17
18 #include <pshpack1.h>
19 typedef struct _BIOS_PARAMETERS_BLOCK
20 {
21 USHORT BytesPerSector; // 0x0B
22 UCHAR SectorsPerCluster; // 0x0D
23 UCHAR Unused0[7]; // 0x0E, checked when volume is mounted
24 UCHAR MediaId; // 0x15
25 UCHAR Unused1[2]; // 0x16
26 USHORT SectorsPerTrack; // 0x18
27 USHORT Heads; // 0x1A
28 UCHAR Unused2[4]; // 0x1C
29 UCHAR Unused3[4]; // 0x20, checked when volume is mounted
30 } BIOS_PARAMETERS_BLOCK, *PBIOS_PARAMETERS_BLOCK;
31
32 typedef struct _EXTENDED_BIOS_PARAMETERS_BLOCK
33 {
34 USHORT Unknown[2]; // 0x24, always 80 00 80 00
35 ULONGLONG SectorCount; // 0x28
36 ULONGLONG MftLocation; // 0x30
37 ULONGLONG MftMirrLocation; // 0x38
38 CHAR ClustersPerMftRecord; // 0x40
39 UCHAR Unused4[3]; // 0x41
40 CHAR ClustersPerIndexRecord; // 0x44
41 UCHAR Unused5[3]; // 0x45
42 ULONGLONG SerialNumber; // 0x48
43 UCHAR Checksum[4]; // 0x50
44 } EXTENDED_BIOS_PARAMETERS_BLOCK, *PEXTENDED_BIOS_PARAMETERS_BLOCK;
45
46 typedef struct _BOOT_SECTOR
47 {
48 UCHAR Jump[3]; // 0x00
49 UCHAR OEMID[8]; // 0x03
50 BIOS_PARAMETERS_BLOCK BPB;
51 EXTENDED_BIOS_PARAMETERS_BLOCK EBPB;
52 UCHAR BootStrap[426]; // 0x54
53 USHORT EndSector; // 0x1FE
54 } BOOT_SECTOR, *PBOOT_SECTOR;
55 #include <poppack.h>
56
57 //typedef struct _BootSector BootSector;
58
59 typedef struct _NTFS_INFO
60 {
61 ULONG BytesPerSector;
62 ULONG SectorsPerCluster;
63 ULONG BytesPerCluster;
64 ULONGLONG SectorCount;
65 ULONGLONG ClusterCount;
66 ULARGE_INTEGER MftStart;
67 ULARGE_INTEGER MftMirrStart;
68 ULONG BytesPerFileRecord;
69 ULONG BytesPerIndexRecord;
70
71 ULONGLONG SerialNumber;
72 USHORT VolumeLabelLength;
73 WCHAR VolumeLabel[MAXIMUM_VOLUME_LABEL_LENGTH];
74 UCHAR MajorVersion;
75 UCHAR MinorVersion;
76 USHORT Flags;
77
78 ULONG MftZoneReservation;
79 } NTFS_INFO, *PNTFS_INFO;
80
81 #define NTFS_TYPE_CCB '20SF'
82 #define NTFS_TYPE_FCB '30SF'
83 #define NTFS_TYPE_VCB '50SF'
84 #define NTFS_TYPE_IRP_CONTEST '60SF'
85 #define NTFS_TYPE_GLOBAL_DATA '70SF'
86
87 typedef struct
88 {
89 ULONG Type;
90 ULONG Size;
91 } NTFSIDENTIFIER, *PNTFSIDENTIFIER;
92
93 typedef struct
94 {
95 NTFSIDENTIFIER Identifier;
96
97 ERESOURCE DirResource;
98 // ERESOURCE FatResource;
99
100 KSPIN_LOCK FcbListLock;
101 LIST_ENTRY FcbListHead;
102
103 PVPB Vpb;
104 PDEVICE_OBJECT StorageDevice;
105 PFILE_OBJECT StreamFileObject;
106
107 struct _NTFS_ATTR_CONTEXT* MFTContext;
108 struct _FILE_RECORD_HEADER* MasterFileTable;
109 struct _FCB *VolumeFcb;
110
111 NTFS_INFO NtfsInfo;
112
113 } DEVICE_EXTENSION, *PDEVICE_EXTENSION, NTFS_VCB, *PNTFS_VCB;
114
115 typedef struct
116 {
117 NTFSIDENTIFIER Identifier;
118 LIST_ENTRY NextCCB;
119 PFILE_OBJECT PtrFileObject;
120 LARGE_INTEGER CurrentByteOffset;
121 /* for DirectoryControl */
122 ULONG Entry;
123 /* for DirectoryControl */
124 PWCHAR DirectorySearchPattern;
125 ULONG LastCluster;
126 ULONG LastOffset;
127 } NTFS_CCB, *PNTFS_CCB;
128
129 #define TAG_CCB 'BCCI'
130 #define TAG_FCB 'BCFI'
131
132 typedef struct
133 {
134 NTFSIDENTIFIER Identifier;
135 ERESOURCE Resource;
136 PDRIVER_OBJECT DriverObject;
137 PDEVICE_OBJECT DeviceObject;
138 CACHE_MANAGER_CALLBACKS CacheMgrCallbacks;
139 ULONG Flags;
140 FAST_IO_DISPATCH FastIoDispatch;
141 NPAGED_LOOKASIDE_LIST IrpContextLookasideList;
142 NPAGED_LOOKASIDE_LIST FcbLookasideList;
143 } NTFS_GLOBAL_DATA, *PNTFS_GLOBAL_DATA;
144
145
146 typedef enum
147 {
148 AttributeStandardInformation = 0x10,
149 AttributeAttributeList = 0x20,
150 AttributeFileName = 0x30,
151 AttributeObjectId = 0x40,
152 AttributeSecurityDescriptor = 0x50,
153 AttributeVolumeName = 0x60,
154 AttributeVolumeInformation = 0x70,
155 AttributeData = 0x80,
156 AttributeIndexRoot = 0x90,
157 AttributeIndexAllocation = 0xA0,
158 AttributeBitmap = 0xB0,
159 AttributeReparsePoint = 0xC0,
160 AttributeEAInformation = 0xD0,
161 AttributeEA = 0xE0,
162 AttributePropertySet = 0xF0,
163 AttributeLoggedUtilityStream = 0x100,
164 AttributeEnd = 0xFFFFFFFF
165 } ATTRIBUTE_TYPE, *PATTRIBUTE_TYPE;
166
167 #define NTFS_FILE_MFT 0
168 #define NTFS_FILE_MFTMIRR 1
169 #define NTFS_FILE_LOGFILE 2
170 #define NTFS_FILE_VOLUME 3
171 #define NTFS_FILE_ATTRDEF 4
172 #define NTFS_FILE_ROOT 5
173 #define NTFS_FILE_BITMAP 6
174 #define NTFS_FILE_BOOT 7
175 #define NTFS_FILE_BADCLUS 8
176 #define NTFS_FILE_QUOTA 9
177 #define NTFS_FILE_UPCASE 10
178 #define NTFS_FILE_EXTEND 11
179
180 #define NTFS_MFT_MASK 0x0000FFFFFFFFFFFFULL
181
182 #define COLLATION_BINARY 0x00
183 #define COLLATION_FILE_NAME 0x01
184 #define COLLATION_UNICODE_STRING 0x02
185 #define COLLATION_NTOFS_ULONG 0x10
186 #define COLLATION_NTOFS_SID 0x11
187 #define COLLATION_NTOFS_SECURITY_HASH 0x12
188 #define COLLATION_NTOFS_ULONGS 0x13
189
190 #define INDEX_ROOT_SMALL 0x0
191 #define INDEX_ROOT_LARGE 0x1
192
193 #define NTFS_INDEX_ENTRY_NODE 1
194 #define NTFS_INDEX_ENTRY_END 2
195
196 #define NTFS_FILE_NAME_POSIX 0
197 #define NTFS_FILE_NAME_WIN32 1
198 #define NTFS_FILE_NAME_DOS 2
199 #define NTFS_FILE_NAME_WIN32_AND_DOS 3
200
201 #define NTFS_FILE_TYPE_READ_ONLY 0x1
202 #define NTFS_FILE_TYPE_HIDDEN 0x2
203 #define NTFS_FILE_TYPE_SYSTEM 0x4
204 #define NTFS_FILE_TYPE_ARCHIVE 0x20
205 #define NTFS_FILE_TYPE_REPARSE 0x400
206 #define NTFS_FILE_TYPE_COMPRESSED 0x800
207 #define NTFS_FILE_TYPE_DIRECTORY 0x10000000
208
209 typedef struct
210 {
211 ULONG Type; /* Magic number 'FILE' */
212 USHORT UsaOffset; /* Offset to the update sequence */
213 USHORT UsaCount; /* Size in words of Update Sequence Number & Array (S) */
214 ULONGLONG Lsn; /* $LogFile Sequence Number (LSN) */
215 } NTFS_RECORD_HEADER, *PNTFS_RECORD_HEADER;
216
217 /* NTFS_RECORD_HEADER.Type */
218 #define NRH_FILE_TYPE 0x454C4946 /* 'FILE' */
219 #define NRH_INDX_TYPE 0x58444E49 /* 'INDX' */
220
221
222 typedef struct _FILE_RECORD_HEADER
223 {
224 NTFS_RECORD_HEADER Ntfs;
225 USHORT SequenceNumber; /* Sequence number */
226 USHORT LinkCount; /* Hard link count */
227 USHORT AttributeOffset; /* Offset to the first Attribute */
228 USHORT Flags; /* Flags */
229 ULONG BytesInUse; /* Real size of the FILE record */
230 ULONG BytesAllocated; /* Allocated size of the FILE record */
231 ULONGLONG BaseFileRecord; /* File reference to the base FILE record */
232 USHORT NextAttributeNumber; /* Next Attribute Id */
233 USHORT Pading; /* Align to 4 UCHAR boundary (XP) */
234 ULONG MFTRecordNumber; /* Number of this MFT Record (XP) */
235 } FILE_RECORD_HEADER, *PFILE_RECORD_HEADER;
236
237 /* Flags in FILE_RECORD_HEADER */
238
239 #define FRH_IN_USE 0x0001 /* Record is in use */
240 #define FRH_DIRECTORY 0x0002 /* Record is a directory */
241 #define FRH_UNKNOWN1 0x0004 /* Don't know */
242 #define FRH_UNKNOWN2 0x0008 /* Don't know */
243
244 typedef struct
245 {
246 ULONG Type;
247 ULONG Length;
248 UCHAR IsNonResident;
249 UCHAR NameLength;
250 USHORT NameOffset;
251 USHORT Flags;
252 USHORT Instance;
253 union
254 {
255 // Resident attributes
256 struct
257 {
258 ULONG ValueLength;
259 USHORT ValueOffset;
260 UCHAR Flags;
261 UCHAR Reserved;
262 } Resident;
263 // Non-resident attributes
264 struct
265 {
266 ULONGLONG LowestVCN;
267 ULONGLONG HighestVCN;
268 USHORT MappingPairsOffset;
269 USHORT CompressionUnit;
270 UCHAR Reserved[4];
271 LONGLONG AllocatedSize;
272 LONGLONG DataSize;
273 LONGLONG InitializedSize;
274 LONGLONG CompressedSize;
275 } NonResident;
276 };
277 } NTFS_ATTR_RECORD, *PNTFS_ATTR_RECORD;
278
279 typedef struct
280 {
281 ULONGLONG CreationTime;
282 ULONGLONG ChangeTime;
283 ULONGLONG LastWriteTime;
284 ULONGLONG LastAccessTime;
285 ULONG FileAttribute;
286 ULONG AlignmentOrReserved[3];
287 #if 0
288 ULONG QuotaId;
289 ULONG SecurityId;
290 ULONGLONG QuotaCharge;
291 USN Usn;
292 #endif
293 } STANDARD_INFORMATION, *PSTANDARD_INFORMATION;
294
295
296 typedef struct
297 {
298 ATTRIBUTE_TYPE AttributeType;
299 USHORT Length;
300 UCHAR NameLength;
301 UCHAR NameOffset;
302 ULONGLONG StartVcn; // LowVcn
303 ULONGLONG FileReferenceNumber;
304 USHORT AttributeNumber;
305 USHORT AlignmentOrReserved[3];
306 } ATTRIBUTE_LIST, *PATTRIBUTE_LIST;
307
308
309 typedef struct
310 {
311 ULONGLONG DirectoryFileReferenceNumber;
312 ULONGLONG CreationTime;
313 ULONGLONG ChangeTime;
314 ULONGLONG LastWriteTime;
315 ULONGLONG LastAccessTime;
316 ULONGLONG AllocatedSize;
317 ULONGLONG DataSize;
318 ULONG FileAttributes;
319 union
320 {
321 struct
322 {
323 USHORT PackedEaSize;
324 USHORT AlignmentOrReserved;
325 } EaInfo;
326 ULONG ReparseTag;
327 } Extended;
328 UCHAR NameLength;
329 UCHAR NameType;
330 WCHAR Name[1];
331 } FILENAME_ATTRIBUTE, *PFILENAME_ATTRIBUTE;
332
333 typedef struct
334 {
335 ULONG FirstEntryOffset;
336 ULONG TotalSizeOfEntries;
337 ULONG AllocatedSize;
338 UCHAR Flags;
339 UCHAR Padding[3];
340 } INDEX_HEADER_ATTRIBUTE, *PINDEX_HEADER_ATTRIBUTE;
341
342 typedef struct
343 {
344 ULONG AttributeType;
345 ULONG CollationRule;
346 ULONG SizeOfEntry;
347 UCHAR ClustersPerIndexRecord;
348 UCHAR Padding[3];
349 INDEX_HEADER_ATTRIBUTE Header;
350 } INDEX_ROOT_ATTRIBUTE, *PINDEX_ROOT_ATTRIBUTE;
351
352 typedef struct
353 {
354 NTFS_RECORD_HEADER Ntfs;
355 ULONGLONG VCN;
356 INDEX_HEADER_ATTRIBUTE Header;
357 } INDEX_BUFFER, *PINDEX_BUFFER;
358
359 typedef struct
360 {
361 union
362 {
363 struct
364 {
365 ULONGLONG IndexedFile;
366 } Directory;
367 struct
368 {
369 USHORT DataOffset;
370 USHORT DataLength;
371 ULONG Reserved;
372 } ViewIndex;
373 } Data;
374 USHORT Length;
375 USHORT KeyLength;
376 USHORT Flags;
377 USHORT Reserved;
378 FILENAME_ATTRIBUTE FileName;
379 } INDEX_ENTRY_ATTRIBUTE, *PINDEX_ENTRY_ATTRIBUTE;
380
381 typedef struct
382 {
383 ULONGLONG Unknown1;
384 UCHAR MajorVersion;
385 UCHAR MinorVersion;
386 USHORT Flags;
387 ULONG Unknown2;
388 } VOLINFO_ATTRIBUTE, *PVOLINFO_ATTRIBUTE;
389
390 typedef struct {
391 ULONG ReparseTag;
392 USHORT DataLength;
393 USHORT Reserved;
394 UCHAR Data[1];
395 } REPARSE_POINT_ATTRIBUTE, *PREPARSE_POINT_ATTRIBUTE;
396
397 #define IRPCONTEXT_CANWAIT 0x1
398 #define IRPCONTEXT_COMPLETE 0x2
399 #define IRPCONTEXT_QUEUE 0x4
400
401 typedef struct
402 {
403 NTFSIDENTIFIER Identifier;
404 ULONG Flags;
405 PIO_STACK_LOCATION Stack;
406 UCHAR MajorFunction;
407 UCHAR MinorFunction;
408 WORK_QUEUE_ITEM WorkQueueItem;
409 PIRP Irp;
410 BOOLEAN IsTopLevel;
411 PDEVICE_OBJECT DeviceObject;
412 PFILE_OBJECT FileObject;
413 NTSTATUS SavedExceptionCode;
414 CCHAR PriorityBoost;
415 } NTFS_IRP_CONTEXT, *PNTFS_IRP_CONTEXT;
416
417 typedef struct _NTFS_ATTR_CONTEXT
418 {
419 PUCHAR CacheRun;
420 ULONGLONG CacheRunOffset;
421 LONGLONG CacheRunStartLCN;
422 ULONGLONG CacheRunLength;
423 LONGLONG CacheRunLastLCN;
424 ULONGLONG CacheRunCurrentOffset;
425 NTFS_ATTR_RECORD Record;
426 } NTFS_ATTR_CONTEXT, *PNTFS_ATTR_CONTEXT;
427
428 #define FCB_CACHE_INITIALIZED 0x0001
429 #define FCB_IS_VOLUME_STREAM 0x0002
430 #define FCB_IS_VOLUME 0x0004
431 #define MAX_PATH 260
432
433 typedef struct _FCB
434 {
435 NTFSIDENTIFIER Identifier;
436
437 FSRTL_COMMON_FCB_HEADER RFCB;
438 SECTION_OBJECT_POINTERS SectionObjectPointers;
439
440 PFILE_OBJECT FileObject;
441 PNTFS_VCB Vcb;
442
443 WCHAR Stream[MAX_PATH];
444 WCHAR *ObjectName; /* point on filename (250 chars max) in PathName */
445 WCHAR PathName[MAX_PATH]; /* path+filename 260 max */
446
447 ERESOURCE PagingIoResource;
448 ERESOURCE MainResource;
449
450 LIST_ENTRY FcbListEntry;
451 struct _FCB* ParentFcb;
452
453 ULONG DirIndex;
454
455 LONG RefCount;
456 ULONG Flags;
457
458 ULONGLONG MFTIndex;
459 USHORT LinkCount;
460
461 FILENAME_ATTRIBUTE Entry;
462
463 } NTFS_FCB, *PNTFS_FCB;
464
465 extern PNTFS_GLOBAL_DATA NtfsGlobalData;
466
467 FORCEINLINE
468 NTSTATUS
469 NtfsMarkIrpContextForQueue(PNTFS_IRP_CONTEXT IrpContext)
470 {
471 PULONG Flags = &IrpContext->Flags;
472
473 *Flags &= ~IRPCONTEXT_COMPLETE;
474 *Flags |= IRPCONTEXT_QUEUE;
475
476 return STATUS_PENDING;
477 }
478
479 /* attrib.c */
480
481 //VOID
482 //NtfsDumpAttribute(PATTRIBUTE Attribute);
483
484 PUCHAR
485 DecodeRun(PUCHAR DataRun,
486 LONGLONG *DataRunOffset,
487 ULONGLONG *DataRunLength);
488
489 VOID
490 NtfsDumpFileAttributes(PDEVICE_EXTENSION Vcb, PFILE_RECORD_HEADER FileRecord);
491
492 PSTANDARD_INFORMATION
493 GetStandardInformationFromRecord(PFILE_RECORD_HEADER FileRecord);
494
495 PFILENAME_ATTRIBUTE
496 GetFileNameFromRecord(PFILE_RECORD_HEADER FileRecord, UCHAR NameType);
497
498 PFILENAME_ATTRIBUTE
499 GetBestFileNameFromRecord(PFILE_RECORD_HEADER FileRecord);
500
501 /* blockdev.c */
502
503 NTSTATUS
504 NtfsReadDisk(IN PDEVICE_OBJECT DeviceObject,
505 IN LONGLONG StartingOffset,
506 IN ULONG Length,
507 IN ULONG SectorSize,
508 IN OUT PUCHAR Buffer,
509 IN BOOLEAN Override);
510
511 NTSTATUS
512 NtfsReadSectors(IN PDEVICE_OBJECT DeviceObject,
513 IN ULONG DiskSector,
514 IN ULONG SectorCount,
515 IN ULONG SectorSize,
516 IN OUT PUCHAR Buffer,
517 IN BOOLEAN Override);
518
519 NTSTATUS
520 NtfsDeviceIoControl(IN PDEVICE_OBJECT DeviceObject,
521 IN ULONG ControlCode,
522 IN PVOID InputBuffer,
523 IN ULONG InputBufferSize,
524 IN OUT PVOID OutputBuffer,
525 IN OUT PULONG OutputBufferSize,
526 IN BOOLEAN Override);
527
528
529 /* close.c */
530
531 NTSTATUS
532 NtfsCloseFile(PDEVICE_EXTENSION DeviceExt,
533 PFILE_OBJECT FileObject);
534
535 NTSTATUS
536 NtfsClose(PNTFS_IRP_CONTEXT IrpContext);
537
538
539 /* create.c */
540
541 NTSTATUS
542 NtfsCreate(PNTFS_IRP_CONTEXT IrpContext);
543
544
545 /* devctl.c */
546
547 NTSTATUS
548 NtfsDeviceControl(PNTFS_IRP_CONTEXT IrpContext);
549
550
551 /* dirctl.c */
552
553 ULONGLONG
554 NtfsGetFileSize(PDEVICE_EXTENSION DeviceExt,
555 PFILE_RECORD_HEADER FileRecord,
556 PCWSTR Stream,
557 ULONG StreamLength,
558 PULONGLONG AllocatedSize);
559
560 NTSTATUS
561 NtfsDirectoryControl(PNTFS_IRP_CONTEXT IrpContext);
562
563
564 /* dispatch.c */
565
566 DRIVER_DISPATCH NtfsFsdDispatch;
567 NTSTATUS NTAPI
568 NtfsFsdDispatch(PDEVICE_OBJECT DeviceObject,
569 PIRP Irp);
570
571
572 /* fastio.c */
573
574 BOOLEAN NTAPI
575 NtfsAcqLazyWrite(PVOID Context,
576 BOOLEAN Wait);
577
578 VOID NTAPI
579 NtfsRelLazyWrite(PVOID Context);
580
581 BOOLEAN NTAPI
582 NtfsAcqReadAhead(PVOID Context,
583 BOOLEAN Wait);
584
585 VOID NTAPI
586 NtfsRelReadAhead(PVOID Context);
587
588 FAST_IO_CHECK_IF_POSSIBLE NtfsFastIoCheckIfPossible;
589 FAST_IO_READ NtfsFastIoRead;
590 FAST_IO_WRITE NtfsFastIoWrite;
591
592
593 /* fcb.c */
594
595 PNTFS_FCB
596 NtfsCreateFCB(PCWSTR FileName,
597 PCWSTR Stream,
598 PNTFS_VCB Vcb);
599
600 VOID
601 NtfsDestroyFCB(PNTFS_FCB Fcb);
602
603 BOOLEAN
604 NtfsFCBIsDirectory(PNTFS_FCB Fcb);
605
606 BOOLEAN
607 NtfsFCBIsReparsePoint(PNTFS_FCB Fcb);
608
609 BOOLEAN
610 NtfsFCBIsRoot(PNTFS_FCB Fcb);
611
612 VOID
613 NtfsGrabFCB(PNTFS_VCB Vcb,
614 PNTFS_FCB Fcb);
615
616 VOID
617 NtfsReleaseFCB(PNTFS_VCB Vcb,
618 PNTFS_FCB Fcb);
619
620 VOID
621 NtfsAddFCBToTable(PNTFS_VCB Vcb,
622 PNTFS_FCB Fcb);
623
624 PNTFS_FCB
625 NtfsGrabFCBFromTable(PNTFS_VCB Vcb,
626 PCWSTR FileName);
627
628 NTSTATUS
629 NtfsFCBInitializeCache(PNTFS_VCB Vcb,
630 PNTFS_FCB Fcb);
631
632 PNTFS_FCB
633 NtfsMakeRootFCB(PNTFS_VCB Vcb);
634
635 PNTFS_FCB
636 NtfsOpenRootFCB(PNTFS_VCB Vcb);
637
638 NTSTATUS
639 NtfsAttachFCBToFileObject(PNTFS_VCB Vcb,
640 PNTFS_FCB Fcb,
641 PFILE_OBJECT FileObject);
642
643 NTSTATUS
644 NtfsGetFCBForFile(PNTFS_VCB Vcb,
645 PNTFS_FCB *pParentFCB,
646 PNTFS_FCB *pFCB,
647 const PWSTR pFileName);
648
649 NTSTATUS
650 NtfsReadFCBAttribute(PNTFS_VCB Vcb,
651 PNTFS_FCB pFCB,
652 ULONG Type,
653 PCWSTR Name,
654 ULONG NameLength,
655 PVOID * Data);
656
657 NTSTATUS
658 NtfsMakeFCBFromDirEntry(PNTFS_VCB Vcb,
659 PNTFS_FCB DirectoryFCB,
660 PUNICODE_STRING Name,
661 PCWSTR Stream,
662 PFILE_RECORD_HEADER Record,
663 ULONGLONG MFTIndex,
664 PNTFS_FCB * fileFCB);
665
666
667 /* finfo.c */
668
669 NTSTATUS
670 NtfsQueryInformation(PNTFS_IRP_CONTEXT IrpContext);
671
672
673 /* fsctl.c */
674
675 NTSTATUS
676 NtfsFileSystemControl(PNTFS_IRP_CONTEXT IrpContext);
677
678
679 /* mft.c */
680 PNTFS_ATTR_CONTEXT
681 PrepareAttributeContext(PNTFS_ATTR_RECORD AttrRecord);
682
683 VOID
684 ReleaseAttributeContext(PNTFS_ATTR_CONTEXT Context);
685
686 ULONG
687 ReadAttribute(PDEVICE_EXTENSION Vcb,
688 PNTFS_ATTR_CONTEXT Context,
689 ULONGLONG Offset,
690 PCHAR Buffer,
691 ULONG Length);
692
693 ULONGLONG
694 AttributeDataLength(PNTFS_ATTR_RECORD AttrRecord);
695
696 ULONG
697 AttributeAllocatedLength(PNTFS_ATTR_RECORD AttrRecord);
698
699 NTSTATUS
700 ReadFileRecord(PDEVICE_EXTENSION Vcb,
701 ULONGLONG index,
702 PFILE_RECORD_HEADER file);
703
704 NTSTATUS
705 FindAttribute(PDEVICE_EXTENSION Vcb,
706 PFILE_RECORD_HEADER MftRecord,
707 ULONG Type,
708 PCWSTR Name,
709 ULONG NameLength,
710 PNTFS_ATTR_CONTEXT * AttrCtx);
711
712 VOID
713 ReadVCN(PDEVICE_EXTENSION Vcb,
714 PFILE_RECORD_HEADER file,
715 ATTRIBUTE_TYPE type,
716 ULONGLONG vcn,
717 ULONG count,
718 PVOID buffer);
719
720 NTSTATUS
721 FixupUpdateSequenceArray(PDEVICE_EXTENSION Vcb,
722 PNTFS_RECORD_HEADER Record);
723
724 NTSTATUS
725 ReadLCN(PDEVICE_EXTENSION Vcb,
726 ULONGLONG lcn,
727 ULONG count,
728 PVOID buffer);
729
730 VOID
731 EnumerAttribute(PFILE_RECORD_HEADER file,
732 PDEVICE_EXTENSION Vcb,
733 PDEVICE_OBJECT DeviceObject);
734
735 NTSTATUS
736 NtfsLookupFile(PDEVICE_EXTENSION Vcb,
737 PUNICODE_STRING PathName,
738 PFILE_RECORD_HEADER *FileRecord,
739 PULONGLONG MFTIndex);
740
741 NTSTATUS
742 NtfsLookupFileAt(PDEVICE_EXTENSION Vcb,
743 PUNICODE_STRING PathName,
744 PFILE_RECORD_HEADER *FileRecord,
745 PULONGLONG MFTIndex,
746 ULONGLONG CurrentMFTIndex);
747
748 NTSTATUS
749 NtfsFindFileAt(PDEVICE_EXTENSION Vcb,
750 PUNICODE_STRING SearchPattern,
751 PULONG FirstEntry,
752 PFILE_RECORD_HEADER *FileRecord,
753 PULONGLONG MFTIndex,
754 ULONGLONG CurrentMFTIndex);
755
756 /* misc.c */
757
758 BOOLEAN
759 NtfsIsIrpTopLevel(PIRP Irp);
760
761 PNTFS_IRP_CONTEXT
762 NtfsAllocateIrpContext(PDEVICE_OBJECT DeviceObject,
763 PIRP Irp);
764
765 PVOID
766 NtfsGetUserBuffer(PIRP Irp,
767 BOOLEAN Paging);
768
769 #if 0
770 BOOLEAN
771 wstrcmpjoki(PWSTR s1, PWSTR s2);
772
773 VOID
774 CdfsSwapString(PWCHAR Out,
775 PUCHAR In,
776 ULONG Count);
777 #endif
778
779 VOID
780 NtfsFileFlagsToAttributes(ULONG NtfsAttributes,
781 PULONG FileAttributes);
782
783
784 /* rw.c */
785
786 NTSTATUS
787 NtfsRead(PNTFS_IRP_CONTEXT IrpContext);
788
789 NTSTATUS
790 NtfsWrite(PNTFS_IRP_CONTEXT IrpContext);
791
792
793 /* volinfo.c */
794
795 ULONGLONG
796 NtfsGetFreeClusters(PDEVICE_EXTENSION DeviceExt);
797
798 NTSTATUS
799 NtfsQueryVolumeInformation(PNTFS_IRP_CONTEXT IrpContext);
800
801 NTSTATUS
802 NtfsSetVolumeInformation(PNTFS_IRP_CONTEXT IrpContext);
803
804
805 /* ntfs.c */
806
807 DRIVER_INITIALIZE DriverEntry;
808
809 VOID
810 NTAPI
811 NtfsInitializeFunctionPointers(PDRIVER_OBJECT DriverObject);
812
813 #endif /* NTFS_H */