ReactOS Development > Doxygen

include
ddk
00001 /*
00002  * fltkernel.h
00003  *
00004  * This file is part of the ReactOS DDK package.
00005  *
00006  * Contributors:
00007  *   Amine Khaldi (amine.khaldi@reactos.org)
00008  *
00009  * THIS SOFTWARE IS NOT COPYRIGHTED
00010  *
00011  * This source code is offered for use in the public domain. You may
00012  * use, modify or distribute it freely.
00013  *
00014  * This code is distributed in the hope that it will be useful but
00015  * WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY
00016  * DISCLAIMED. This includes but is not limited to warranties of
00017  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
00018  *
00019  */
00020 #pragma once
00021 
00022 #ifndef __FLTKERNEL__
00023 #define __FLTKERNEL__
00024 
00025 #ifdef __cplusplus
00026 extern "C" {
00027 #endif
00028 
00029 #define FLT_MGR_BASELINE (((OSVER(NTDDI_VERSION) == NTDDI_WIN2K) && (SPVER(NTDDI_VERSION) >= SPVER(NTDDI_WIN2KSP4))) || \
00030                           ((OSVER(NTDDI_VERSION) == NTDDI_WINXP) && (SPVER(NTDDI_VERSION) >= SPVER(NTDDI_WINXPSP2))) || \
00031                           ((OSVER(NTDDI_VERSION) == NTDDI_WS03)  && (SPVER(NTDDI_VERSION) >= SPVER(NTDDI_WS03SP1)))  || \
00032                           (NTDDI_VERSION >= NTDDI_VISTA))
00033 
00034 #define FLT_MGR_AFTER_XPSP2 (((OSVER(NTDDI_VERSION) == NTDDI_WIN2K) && (SPVER(NTDDI_VERSION) >= SPVER(NTDDI_WIN2KSP4))) || \
00035                              ((OSVER(NTDDI_VERSION) == NTDDI_WINXP) && (SPVER(NTDDI_VERSION) >  SPVER(NTDDI_WINXPSP2))) || \
00036                              ((OSVER(NTDDI_VERSION) == NTDDI_WS03)  && (SPVER(NTDDI_VERSION) >= SPVER(NTDDI_WS03SP1)))  || \
00037                              (NTDDI_VERSION >= NTDDI_VISTA))
00038 
00039 #define FLT_MGR_LONGHORN (NTDDI_VERSION >= NTDDI_VISTA)
00040 #define FLT_MGR_WIN7 (NTDDI_VERSION >= NTDDI_WIN7)
00041 
00042 #include <ntifs.h>
00043 #include <fltuserstructures.h>
00044 #include <initguid.h>
00045 
00046 #if FLT_MGR_BASELINE
00047 
00048 #if FLT_MGR_LONGHORN
00049 #define FLT_ASSERT(_e) NT_ASSERT(_e)
00050 #define FLT_ASSERTMSG(_m, _e) NT_ASSERTMSG(_m, _e)
00051 #else
00052 #define FLT_ASSERT(_e) ASSERT(_e)
00053 #define FLT_ASSERTMSG(_m, _e) ASSERTMSG(_m, _e)
00054 #endif /* FLT_MGR_LONGHORN */
00055 
00056 #define Add2Ptr(P,I) ((PVOID)((PUCHAR)(P) + (I)))
00057 #define PtrOffset(B,O) ((ULONG)((ULONG_PTR)(O) - (ULONG_PTR)(B)))
00058 
00059 #define ROUND_TO_SIZE(_length, _alignment) \
00060   ((((ULONG_PTR)(_length)) + ((_alignment)-1)) & ~(ULONG_PTR) ((_alignment) - 1))
00061 
00062 #define IS_ALIGNED(_pointer, _alignment) \
00063   ((((ULONG_PTR) (_pointer)) & ((_alignment) - 1)) == 0)
00064 
00065 #define IRP_MJ_ACQUIRE_FOR_SECTION_SYNCHRONIZATION ((UCHAR)-1)
00066 #define IRP_MJ_RELEASE_FOR_SECTION_SYNCHRONIZATION ((UCHAR)-2)
00067 #define IRP_MJ_ACQUIRE_FOR_MOD_WRITE               ((UCHAR)-3)
00068 #define IRP_MJ_RELEASE_FOR_MOD_WRITE               ((UCHAR)-4)
00069 #define IRP_MJ_ACQUIRE_FOR_CC_FLUSH                ((UCHAR)-5)
00070 #define IRP_MJ_RELEASE_FOR_CC_FLUSH                ((UCHAR)-6)
00071 #define IRP_MJ_FAST_IO_CHECK_IF_POSSIBLE           ((UCHAR)-13)
00072 #define IRP_MJ_NETWORK_QUERY_OPEN                  ((UCHAR)-14)
00073 #define IRP_MJ_MDL_READ                            ((UCHAR)-15)
00074 #define IRP_MJ_MDL_READ_COMPLETE                   ((UCHAR)-16)
00075 #define IRP_MJ_PREPARE_MDL_WRITE                   ((UCHAR)-17)
00076 #define IRP_MJ_MDL_WRITE_COMPLETE                  ((UCHAR)-18)
00077 #define IRP_MJ_VOLUME_MOUNT                        ((UCHAR)-19)
00078 #define IRP_MJ_VOLUME_DISMOUNT                     ((UCHAR)-20)
00079 #define IRP_MJ_OPERATION_END                       ((UCHAR)0x80)
00080 #define FLT_INTERNAL_OPERATION_COUNT               22
00081 
00082 #define NULL_CONTEXT ((PFLT_CONTEXT)NULL)
00083 
00084 typedef struct _FLT_FILTER *PFLT_FILTER;
00085 typedef struct _FLT_VOLUME *PFLT_VOLUME;
00086 typedef struct _FLT_INSTANCE *PFLT_INSTANCE;
00087 typedef struct _FLT_PORT *PFLT_PORT;
00088 
00089 typedef PVOID PFLT_CONTEXT;
00090 
00091 #if !FLT_MGR_LONGHORN
00092 typedef struct _KTRANSACTION *PKTRANSACTION;
00093 #endif
00094 
00095 #if !defined(_AMD64_) && !defined(_IA64_) && !defined(_ARM_)
00096 #include "pshpack4.h"
00097 #endif
00098 
00099 typedef union _FLT_PARAMETERS {
00100   struct {
00101     PIO_SECURITY_CONTEXT SecurityContext;
00102     ULONG Options;
00103     USHORT POINTER_ALIGNMENT FileAttributes;
00104     USHORT ShareAccess;
00105     ULONG POINTER_ALIGNMENT EaLength;
00106     PVOID EaBuffer;
00107     LARGE_INTEGER AllocationSize;
00108   } Create;
00109   struct {
00110     PIO_SECURITY_CONTEXT SecurityContext;
00111     ULONG Options;
00112     USHORT POINTER_ALIGNMENT Reserved;
00113     USHORT ShareAccess;
00114     PVOID Parameters;
00115   } CreatePipe;
00116   struct {
00117     PIO_SECURITY_CONTEXT SecurityContext;
00118     ULONG Options;
00119     USHORT POINTER_ALIGNMENT Reserved;
00120     USHORT ShareAccess;
00121     PVOID Parameters;
00122   } CreateMailslot;
00123   struct {
00124     ULONG Length;
00125     ULONG POINTER_ALIGNMENT Key;
00126     LARGE_INTEGER ByteOffset;
00127     PVOID ReadBuffer;
00128     PMDL MdlAddress;
00129   } Read;
00130   struct {
00131     ULONG Length;
00132     ULONG POINTER_ALIGNMENT Key;
00133     LARGE_INTEGER ByteOffset;
00134     PVOID WriteBuffer;
00135     PMDL MdlAddress;
00136   } Write;
00137   struct {
00138     ULONG Length;
00139     FILE_INFORMATION_CLASS POINTER_ALIGNMENT FileInformationClass;
00140     PVOID InfoBuffer;
00141   } QueryFileInformation;
00142   struct {
00143     ULONG Length;
00144     FILE_INFORMATION_CLASS POINTER_ALIGNMENT FileInformationClass;
00145     PFILE_OBJECT ParentOfTarget;
00146     _ANONYMOUS_UNION union {
00147       _ANONYMOUS_STRUCT struct {
00148         BOOLEAN ReplaceIfExists;
00149         BOOLEAN AdvanceOnly;
00150       } DUMMYSTRUCTNAME;
00151       ULONG ClusterCount;
00152       HANDLE DeleteHandle;
00153     } DUMMYUNIONNAME;
00154     PVOID InfoBuffer;
00155   } SetFileInformation;
00156   struct {
00157     ULONG Length;
00158     PVOID EaList;
00159     ULONG EaListLength;
00160     ULONG POINTER_ALIGNMENT EaIndex;
00161     PVOID EaBuffer;
00162     PMDL MdlAddress;
00163   } QueryEa;
00164   struct {
00165     ULONG Length;
00166     PVOID EaBuffer;
00167     PMDL MdlAddress;
00168   } SetEa;
00169   struct {
00170     ULONG Length;
00171     FS_INFORMATION_CLASS POINTER_ALIGNMENT FsInformationClass;
00172     PVOID VolumeBuffer;
00173   } QueryVolumeInformation;
00174   struct {
00175     ULONG Length;
00176     FS_INFORMATION_CLASS POINTER_ALIGNMENT FsInformationClass;
00177     PVOID VolumeBuffer;
00178   } SetVolumeInformation;
00179   union {
00180     struct {
00181       ULONG Length;
00182       PUNICODE_STRING FileName;
00183       FILE_INFORMATION_CLASS FileInformationClass;
00184       ULONG POINTER_ALIGNMENT FileIndex;
00185       PVOID DirectoryBuffer;
00186       PMDL MdlAddress;
00187     } QueryDirectory;
00188     struct {
00189       ULONG Length;
00190       ULONG POINTER_ALIGNMENT CompletionFilter;
00191       ULONG POINTER_ALIGNMENT Spare1;
00192       ULONG POINTER_ALIGNMENT Spare2;
00193       PVOID DirectoryBuffer;
00194       PMDL MdlAddress;
00195     } NotifyDirectory;
00196   } DirectoryControl;
00197   union {
00198     struct {
00199       PVPB Vpb;
00200       PDEVICE_OBJECT DeviceObject;
00201     } VerifyVolume;
00202     struct {
00203       ULONG OutputBufferLength;
00204       ULONG POINTER_ALIGNMENT InputBufferLength;
00205       ULONG POINTER_ALIGNMENT FsControlCode;
00206     } Common;
00207     struct {
00208       ULONG OutputBufferLength;
00209       ULONG POINTER_ALIGNMENT InputBufferLength;
00210       ULONG POINTER_ALIGNMENT FsControlCode;
00211       PVOID InputBuffer;
00212       PVOID OutputBuffer;
00213       PMDL OutputMdlAddress;
00214     } Neither;
00215     struct {
00216       ULONG OutputBufferLength;
00217       ULONG POINTER_ALIGNMENT InputBufferLength;
00218       ULONG POINTER_ALIGNMENT FsControlCode;
00219       PVOID SystemBuffer;
00220     } Buffered;
00221     struct {
00222       ULONG OutputBufferLength;
00223       ULONG POINTER_ALIGNMENT InputBufferLength;
00224       ULONG POINTER_ALIGNMENT FsControlCode;
00225       PVOID InputSystemBuffer;
00226       PVOID OutputBuffer;
00227       PMDL OutputMdlAddress;
00228     } Direct;
00229   } FileSystemControl;
00230   union {
00231     struct {
00232       ULONG OutputBufferLength;
00233       ULONG POINTER_ALIGNMENT InputBufferLength;
00234       ULONG POINTER_ALIGNMENT IoControlCode;
00235     } Common;
00236     struct {
00237       ULONG OutputBufferLength;
00238       ULONG POINTER_ALIGNMENT InputBufferLength;
00239       ULONG POINTER_ALIGNMENT IoControlCode;
00240       PVOID InputBuffer;
00241       PVOID OutputBuffer;
00242       PMDL OutputMdlAddress;
00243     } Neither;
00244     struct {
00245       ULONG OutputBufferLength;
00246       ULONG POINTER_ALIGNMENT InputBufferLength;
00247       ULONG POINTER_ALIGNMENT IoControlCode;
00248       PVOID SystemBuffer;
00249     } Buffered;
00250     struct {
00251       ULONG OutputBufferLength;
00252       ULONG POINTER_ALIGNMENT InputBufferLength;
00253       ULONG POINTER_ALIGNMENT IoControlCode;
00254       PVOID InputSystemBuffer;
00255       PVOID OutputBuffer;
00256       PMDL OutputMdlAddress;
00257     } Direct;
00258     struct {
00259       ULONG OutputBufferLength;
00260       ULONG POINTER_ALIGNMENT InputBufferLength;
00261       ULONG POINTER_ALIGNMENT IoControlCode;
00262       PVOID InputBuffer;
00263       PVOID OutputBuffer;
00264     } FastIo;
00265   } DeviceIoControl;
00266   struct {
00267     PLARGE_INTEGER Length;
00268     ULONG POINTER_ALIGNMENT Key;
00269     LARGE_INTEGER ByteOffset;
00270     PEPROCESS ProcessId;
00271     BOOLEAN FailImmediately;
00272     BOOLEAN ExclusiveLock;
00273   } LockControl;
00274   struct {
00275     SECURITY_INFORMATION SecurityInformation;
00276     ULONG POINTER_ALIGNMENT Length;
00277     PVOID SecurityBuffer;
00278     PMDL MdlAddress;
00279   } QuerySecurity;
00280   struct {
00281     SECURITY_INFORMATION SecurityInformation;
00282     PSECURITY_DESCRIPTOR SecurityDescriptor;
00283   } SetSecurity;
00284   struct {
00285     ULONG_PTR ProviderId;
00286     PVOID DataPath;
00287     ULONG BufferSize;
00288     PVOID Buffer;
00289   } WMI;
00290   struct {
00291     ULONG Length;
00292     PSID StartSid;
00293     PFILE_GET_QUOTA_INFORMATION SidList;
00294     ULONG SidListLength;
00295     PVOID QuotaBuffer;
00296     PMDL MdlAddress;
00297   } QueryQuota;
00298   struct {
00299     ULONG Length;
00300     PVOID QuotaBuffer;
00301     PMDL MdlAddress;
00302   } SetQuota;
00303   union {
00304     struct {
00305       PCM_RESOURCE_LIST AllocatedResources;
00306       PCM_RESOURCE_LIST AllocatedResourcesTranslated;
00307     } StartDevice;
00308     struct {
00309       DEVICE_RELATION_TYPE Type;
00310     } QueryDeviceRelations;
00311     struct {
00312       CONST GUID *InterfaceType;
00313       USHORT Size;
00314       USHORT Version;
00315       PINTERFACE Interface;
00316       PVOID InterfaceSpecificData;
00317     } QueryInterface;
00318     struct {
00319       PDEVICE_CAPABILITIES Capabilities;
00320     } DeviceCapabilities;
00321     struct {
00322       PIO_RESOURCE_REQUIREMENTS_LIST IoResourceRequirementList;
00323     } FilterResourceRequirements;
00324     struct {
00325       ULONG WhichSpace;
00326       PVOID Buffer;
00327       ULONG Offset;
00328       ULONG POINTER_ALIGNMENT Length;
00329     } ReadWriteConfig;
00330     struct {
00331       BOOLEAN Lock;
00332     } SetLock;
00333     struct {
00334       BUS_QUERY_ID_TYPE IdType;
00335     } QueryId;
00336     struct {
00337       DEVICE_TEXT_TYPE DeviceTextType;
00338       LCID POINTER_ALIGNMENT LocaleId;
00339     } QueryDeviceText;
00340     struct {
00341       BOOLEAN InPath;
00342       BOOLEAN Reserved[3];
00343       DEVICE_USAGE_NOTIFICATION_TYPE POINTER_ALIGNMENT Type;
00344     } UsageNotification;
00345   } Pnp;
00346   struct {
00347     FS_FILTER_SECTION_SYNC_TYPE SyncType;
00348     ULONG PageProtection;
00349   } AcquireForSectionSynchronization;
00350   struct {
00351     PLARGE_INTEGER EndingOffset;
00352     PERESOURCE *ResourceToRelease;
00353   } AcquireForModifiedPageWriter;
00354   struct {
00355     PERESOURCE ResourceToRelease;
00356   } ReleaseForModifiedPageWriter;
00357   struct {
00358     LARGE_INTEGER FileOffset;
00359     ULONG Length;
00360     ULONG POINTER_ALIGNMENT LockKey;
00361     BOOLEAN POINTER_ALIGNMENT CheckForReadOperation;
00362   } FastIoCheckIfPossible;
00363   struct {
00364     PIRP Irp;
00365     PFILE_NETWORK_OPEN_INFORMATION NetworkInformation;
00366   } NetworkQueryOpen;
00367   struct {
00368     LARGE_INTEGER FileOffset;
00369     ULONG POINTER_ALIGNMENT Length;
00370     ULONG POINTER_ALIGNMENT Key;
00371     PMDL *MdlChain;
00372   } MdlRead;
00373   struct {
00374     PMDL MdlChain;
00375   } MdlReadComplete;
00376   struct {
00377     LARGE_INTEGER FileOffset;
00378     ULONG POINTER_ALIGNMENT Length;
00379     ULONG POINTER_ALIGNMENT Key;
00380     PMDL *MdlChain;
00381   } PrepareMdlWrite;
00382   struct {
00383     LARGE_INTEGER FileOffset;
00384     PMDL MdlChain;
00385   } MdlWriteComplete;
00386   struct {
00387     ULONG DeviceType;
00388   } MountVolume;
00389   struct {
00390     PVOID Argument1;
00391     PVOID Argument2;
00392     PVOID Argument3;
00393     PVOID Argument4;
00394     PVOID Argument5;
00395     LARGE_INTEGER Argument6;
00396   } Others;
00397 } FLT_PARAMETERS, *PFLT_PARAMETERS;
00398 
00399 #if !defined(_AMD64_) && !defined(_IA64_) && !defined(_ARM_)
00400 #include "poppack.h"
00401 #endif
00402 
00403 typedef struct _FLT_IO_PARAMETER_BLOCK {
00404   ULONG IrpFlags;
00405   UCHAR MajorFunction;
00406   UCHAR MinorFunction;
00407   UCHAR OperationFlags;
00408   UCHAR Reserved;
00409   PFILE_OBJECT TargetFileObject;
00410   PFLT_INSTANCE TargetInstance;
00411   FLT_PARAMETERS Parameters;
00412 } FLT_IO_PARAMETER_BLOCK, *PFLT_IO_PARAMETER_BLOCK;
00413 
00414 #define FLTFL_CALLBACK_DATA_REISSUE_MASK        0x0000FFFF
00415 #define FLTFL_CALLBACK_DATA_IRP_OPERATION       0x00000001
00416 #define FLTFL_CALLBACK_DATA_FAST_IO_OPERATION   0x00000002
00417 #define FLTFL_CALLBACK_DATA_FS_FILTER_OPERATION 0x00000004
00418 #define FLTFL_CALLBACK_DATA_SYSTEM_BUFFER       0x00000008
00419 #define FLTFL_CALLBACK_DATA_GENERATED_IO        0x00010000
00420 #define FLTFL_CALLBACK_DATA_REISSUED_IO         0x00020000
00421 #define FLTFL_CALLBACK_DATA_DRAINING_IO         0x00040000
00422 #define FLTFL_CALLBACK_DATA_POST_OPERATION      0x00080000
00423 #define FLTFL_CALLBACK_DATA_NEW_SYSTEM_BUFFER   0x00100000
00424 #define FLTFL_CALLBACK_DATA_DIRTY               0x80000000
00425 
00426 #define FLT_SET_CALLBACK_DATA_DIRTY(Data)   FltSetCallbackDataDirty(Data)
00427 #define FLT_CLEAR_CALLBACK_DATA_DIRTY(Data) FltClearCallbackDataDirty(Data)
00428 #define FLT_IS_CALLBACK_DATA_DIRTY(Data)    FltIsCallbackDataDirty(Data)
00429 
00430 #define FLT_IS_IRP_OPERATION(Data)       (FlagOn((Data)->Flags, FLTFL_CALLBACK_DATA_IRP_OPERATION))
00431 #define FLT_IS_FASTIO_OPERATION(Data)    (FlagOn((Data)->Flags, FLTFL_CALLBACK_DATA_FAST_IO_OPERATION))
00432 #define FLT_IS_FS_FILTER_OPERATION(Data) (FlagOn((Data)->Flags, FLTFL_CALLBACK_DATA_FS_FILTER_OPERATION))
00433 #define FLT_IS_REISSUED_IO(Data)         (FlagOn((Data)->Flags, FLTFL_CALLBACK_DATA_REISSUED_IO))
00434 #define FLT_IS_SYSTEM_BUFFER(Data)       (FlagOn((Data)->Flags, FLTFL_CALLBACK_DATA_SYSTEM_BUFFER))
00435 
00436 typedef USHORT FLT_CONTEXT_TYPE;
00437 
00438 #define FLT_VOLUME_CONTEXT       0x0001
00439 #define FLT_INSTANCE_CONTEXT     0x0002
00440 #define FLT_FILE_CONTEXT         0x0004
00441 #define FLT_STREAM_CONTEXT       0x0008
00442 #define FLT_STREAMHANDLE_CONTEXT 0x0010
00443 #define FLT_TRANSACTION_CONTEXT  0x0020
00444 #define FLT_CONTEXT_END          0xffff
00445 
00446 #define FLT_ALL_CONTEXTS (FLT_VOLUME_CONTEXT | FLT_INSTANCE_CONTEXT | \
00447                           FLT_FILE_CONTEXT | FLT_STREAM_CONTEXT |     \
00448                           FLT_STREAMHANDLE_CONTEXT | FLT_TRANSACTION_CONTEXT)
00449 
00450 typedef ULONG FLT_CALLBACK_DATA_FLAGS;
00451 
00452 #if FLT_MGR_WIN7
00453 typedef ULONG FLT_ALLOCATE_CALLBACK_DATA_FLAGS;
00454 #define FLT_ALLOCATE_CALLBACK_DATA_PREALLOCATE_ALL_MEMORY 0x00000001
00455 #endif /* FLT_MGR_WIN7 */
00456 
00457 typedef struct _FLT_CALLBACK_DATA {
00458   FLT_CALLBACK_DATA_FLAGS Flags;
00459   PETHREAD CONST Thread;
00460   PFLT_IO_PARAMETER_BLOCK CONST Iopb;
00461   IO_STATUS_BLOCK IoStatus;
00462   struct _FLT_TAG_DATA_BUFFER *TagData;
00463   _ANONYMOUS_UNION union {
00464     _ANONYMOUS_STRUCT struct {
00465       LIST_ENTRY QueueLinks;
00466       PVOID QueueContext[2];
00467     } DUMMYSTRUCTNAME;
00468     PVOID FilterContext[4];
00469   } DUMMYUNIONNAME;
00470   KPROCESSOR_MODE RequestorMode;
00471 } FLT_CALLBACK_DATA, *PFLT_CALLBACK_DATA;
00472 
00473 typedef struct _FLT_RELATED_OBJECTS {
00474   USHORT CONST Size;
00475   USHORT CONST TransactionContext;
00476   PFLT_FILTER CONST Filter;
00477   PFLT_VOLUME CONST Volume;
00478   PFLT_INSTANCE CONST Instance;
00479   PFILE_OBJECT CONST FileObject;
00480   PKTRANSACTION CONST Transaction;
00481 } FLT_RELATED_OBJECTS, *PFLT_RELATED_OBJECTS, const *PCFLT_RELATED_OBJECTS;
00482 
00483 typedef struct _FLT_RELATED_CONTEXTS {
00484   PFLT_CONTEXT VolumeContext;
00485   PFLT_CONTEXT InstanceContext;
00486   PFLT_CONTEXT FileContext;
00487   PFLT_CONTEXT StreamContext;
00488   PFLT_CONTEXT StreamHandleContext;
00489   PFLT_CONTEXT TransactionContext;
00490 } FLT_RELATED_CONTEXTS, *PFLT_RELATED_CONTEXTS;
00491 
00492 typedef VOID
00493 (FLTAPI *PFLT_CONTEXT_CLEANUP_CALLBACK)(
00494     _In_ PFLT_CONTEXT Context,
00495     _In_ FLT_CONTEXT_TYPE ContextType);
00496 
00497 typedef PVOID
00498 (FLTAPI *PFLT_CONTEXT_ALLOCATE_CALLBACK)(
00499     _In_ POOL_TYPE PoolType,
00500     _In_ SIZE_T Size,
00501     _In_ FLT_CONTEXT_TYPE ContextType);
00502 
00503 typedef VOID
00504 (FLTAPI *PFLT_CONTEXT_FREE_CALLBACK)(
00505     _In_ PVOID Pool,
00506     _In_ FLT_CONTEXT_TYPE ContextType);
00507 
00508 typedef USHORT FLT_CONTEXT_REGISTRATION_FLAGS;
00509 
00510 #define FLTFL_CONTEXT_REGISTRATION_NO_EXACT_SIZE_MATCH 0x0001
00511 
00512 #define FLT_VARIABLE_SIZED_CONTEXTS ((SIZE_T)-1)
00513 
00514 typedef struct _FLT_CONTEXT_REGISTRATION {
00515     FLT_CONTEXT_TYPE ContextType;
00516     FLT_CONTEXT_REGISTRATION_FLAGS Flags;
00517     PFLT_CONTEXT_CLEANUP_CALLBACK ContextCleanupCallback;
00518     SIZE_T Size;
00519     ULONG PoolTag;
00520     PFLT_CONTEXT_ALLOCATE_CALLBACK ContextAllocateCallback;
00521     PFLT_CONTEXT_FREE_CALLBACK ContextFreeCallback;
00522     PVOID Reserved1;
00523 } FLT_CONTEXT_REGISTRATION, *PFLT_CONTEXT_REGISTRATION, const *PCFLT_CONTEXT_REGISTRATION;
00524 
00525 typedef ULONG FLT_INSTANCE_SETUP_FLAGS;
00526 
00527 #define FLTFL_INSTANCE_SETUP_AUTOMATIC_ATTACHMENT 0x00000001
00528 #define FLTFL_INSTANCE_SETUP_MANUAL_ATTACHMENT    0x00000002
00529 #define FLTFL_INSTANCE_SETUP_NEWLY_MOUNTED_VOLUME 0x00000004
00530 
00531 #if FLT_MGR_LONGHORN
00532 
00533 #define FLTFL_INSTANCE_SETUP_DETACHED_VOLUME        0x00000008
00534 
00535 #define FLT_MAX_TRANSACTION_NOTIFICATIONS (TRANSACTION_NOTIFY_PREPREPARE | \
00536                                            TRANSACTION_NOTIFY_PREPARE |    \
00537                                            TRANSACTION_NOTIFY_COMMIT |     \
00538                                            TRANSACTION_NOTIFY_ROLLBACK |   \
00539                                            TRANSACTION_NOTIFY_COMMIT_FINALIZE)
00540 
00541 #endif /* FLT_MGR_LONGHORN */
00542 
00543 typedef NTSTATUS
00544 (FLTAPI *PFLT_INSTANCE_SETUP_CALLBACK)(
00545     _In_ PCFLT_RELATED_OBJECTS FltObjects,
00546     _In_ FLT_INSTANCE_SETUP_FLAGS Flags,
00547     _In_ DEVICE_TYPE VolumeDeviceType,
00548     _In_ FLT_FILESYSTEM_TYPE VolumeFilesystemType);
00549 
00550 typedef ULONG FLT_INSTANCE_QUERY_TEARDOWN_FLAGS;
00551 
00552 typedef NTSTATUS
00553 (FLTAPI *PFLT_INSTANCE_QUERY_TEARDOWN_CALLBACK)(
00554     _In_ PCFLT_RELATED_OBJECTS FltObjects,
00555     _In_ FLT_INSTANCE_QUERY_TEARDOWN_FLAGS Flags);
00556 
00557 typedef ULONG FLT_INSTANCE_TEARDOWN_FLAGS;
00558 
00559 #define FLTFL_INSTANCE_TEARDOWN_MANUAL                  0x00000001
00560 #define FLTFL_INSTANCE_TEARDOWN_FILTER_UNLOAD           0x00000002
00561 #define FLTFL_INSTANCE_TEARDOWN_MANDATORY_FILTER_UNLOAD 0x00000004
00562 #define FLTFL_INSTANCE_TEARDOWN_VOLUME_DISMOUNT         0x00000008
00563 #define FLTFL_INSTANCE_TEARDOWN_INTERNAL_ERROR          0x00000010
00564 
00565 typedef VOID
00566 (FLTAPI *PFLT_INSTANCE_TEARDOWN_CALLBACK)(
00567     _In_ PCFLT_RELATED_OBJECTS FltObjects,
00568     _In_ FLT_INSTANCE_TEARDOWN_FLAGS Reason);
00569 
00570 typedef enum _FLT_PREOP_CALLBACK_STATUS {
00571   FLT_PREOP_SUCCESS_WITH_CALLBACK,
00572   FLT_PREOP_SUCCESS_NO_CALLBACK,
00573   FLT_PREOP_PENDING,
00574   FLT_PREOP_DISALLOW_FASTIO,
00575   FLT_PREOP_COMPLETE,
00576   FLT_PREOP_SYNCHRONIZE
00577 } FLT_PREOP_CALLBACK_STATUS, *PFLT_PREOP_CALLBACK_STATUS;
00578 
00579 typedef FLT_PREOP_CALLBACK_STATUS
00580 (FLTAPI *PFLT_PRE_OPERATION_CALLBACK)(
00581     _Inout_ PFLT_CALLBACK_DATA Data,
00582     _In_ PCFLT_RELATED_OBJECTS FltObjects,
00583     _Outptr_result_maybenull_ PVOID *CompletionContext);
00584 
00585 typedef enum _FLT_POSTOP_CALLBACK_STATUS {
00586   FLT_POSTOP_FINISHED_PROCESSING,
00587   FLT_POSTOP_MORE_PROCESSING_REQUIRED
00588 } FLT_POSTOP_CALLBACK_STATUS, *PFLT_POSTOP_CALLBACK_STATUS;
00589 
00590 typedef ULONG FLT_POST_OPERATION_FLAGS;
00591 
00592 #define FLTFL_POST_OPERATION_DRAINING 0x00000001
00593 
00594 typedef FLT_POSTOP_CALLBACK_STATUS
00595 (FLTAPI *PFLT_POST_OPERATION_CALLBACK)(
00596     _Inout_ PFLT_CALLBACK_DATA Data,
00597     _In_ PCFLT_RELATED_OBJECTS FltObjects,
00598     _In_opt_ PVOID CompletionContext,
00599     _In_ FLT_POST_OPERATION_FLAGS Flags);
00600 
00601 typedef ULONG FLT_OPERATION_REGISTRATION_FLAGS;
00602 
00603 #define FLTFL_OPERATION_REGISTRATION_SKIP_PAGING_IO   0x00000001
00604 #define FLTFL_OPERATION_REGISTRATION_SKIP_CACHED_IO   0x00000002
00605 #define FLTFL_OPERATION_REGISTRATION_SKIP_NON_DASD_IO 0x00000004
00606 
00607 typedef struct _FLT_OPERATION_REGISTRATION {
00608   UCHAR MajorFunction;
00609   FLT_OPERATION_REGISTRATION_FLAGS Flags;
00610   PFLT_PRE_OPERATION_CALLBACK PreOperation;
00611   PFLT_POST_OPERATION_CALLBACK PostOperation;
00612   PVOID Reserved1;
00613 } FLT_OPERATION_REGISTRATION, *PFLT_OPERATION_REGISTRATION;
00614 
00615 typedef struct _FLT_TAG_DATA_BUFFER {
00616   ULONG FileTag;
00617   USHORT TagDataLength;
00618   USHORT UnparsedNameLength;
00619   _ANONYMOUS_UNION union {
00620     struct {
00621       USHORT SubstituteNameOffset;
00622       USHORT SubstituteNameLength;
00623       USHORT PrintNameOffset;
00624       USHORT PrintNameLength;
00625       ULONG Flags;
00626       WCHAR PathBuffer[1];
00627     } SymbolicLinkReparseBuffer;
00628     struct {
00629       USHORT SubstituteNameOffset;
00630       USHORT SubstituteNameLength;
00631       USHORT PrintNameOffset;
00632       USHORT PrintNameLength;
00633       WCHAR PathBuffer[1];
00634     } MountPointReparseBuffer;
00635     struct {
00636       UCHAR DataBuffer[1];
00637     } GenericReparseBuffer;
00638     struct {
00639       GUID TagGuid;
00640       UCHAR DataBuffer[1];
00641     } GenericGUIDReparseBuffer;
00642   } DUMMYUNIONNAME;
00643 } FLT_TAG_DATA_BUFFER, *PFLT_TAG_DATA_BUFFER;
00644 
00645 #define FLT_TAG_DATA_BUFFER_HEADER_SIZE FIELD_OFFSET(FLT_TAG_DATA_BUFFER, GenericReparseBuffer)
00646 
00647 typedef ULONG FLT_FILTER_UNLOAD_FLAGS;
00648 
00649 #define FLTFL_FILTER_UNLOAD_MANDATORY               0x00000001
00650 
00651 typedef NTSTATUS
00652 (FLTAPI *PFLT_FILTER_UNLOAD_CALLBACK)(
00653     FLT_FILTER_UNLOAD_FLAGS Flags);
00654 
00655 typedef struct _FLT_NAME_CONTROL {
00656   UNICODE_STRING Name;
00657 } FLT_NAME_CONTROL, *PFLT_NAME_CONTROL;
00658 
00659 typedef ULONG FLT_FILE_NAME_OPTIONS;
00660 
00661 typedef NTSTATUS
00662 (FLTAPI *PFLT_GENERATE_FILE_NAME)(
00663     _In_ PFLT_INSTANCE Instance,
00664     _In_ PFILE_OBJECT FileObject,
00665     _In_opt_ PFLT_CALLBACK_DATA CallbackData,
00666     _In_ FLT_FILE_NAME_OPTIONS NameOptions,
00667     _Out_ PBOOLEAN CacheFileNameInformation,
00668     _Out_ PFLT_NAME_CONTROL FileName);
00669 
00670 typedef ULONG FLT_NORMALIZE_NAME_FLAGS;
00671 
00672 #define FLTFL_NORMALIZE_NAME_CASE_SENSITIVE        0x01
00673 #define FLTFL_NORMALIZE_NAME_DESTINATION_FILE_NAME 0x02
00674 
00675 typedef NTSTATUS
00676 (FLTAPI *PFLT_NORMALIZE_NAME_COMPONENT)(
00677     _In_ PFLT_INSTANCE Instance,
00678     _In_ PCUNICODE_STRING ParentDirectory,
00679     _In_ USHORT VolumeNameLength,
00680     _In_ PCUNICODE_STRING Component,
00681     _Out_writes_bytes_(ExpandComponentNameLength) PFILE_NAMES_INFORMATION ExpandComponentName,
00682     _In_ ULONG ExpandComponentNameLength,
00683     _In_ FLT_NORMALIZE_NAME_FLAGS Flags,
00684     _Inout_ PVOID *NormalizationContext);
00685 
00686 typedef NTSTATUS
00687 (FLTAPI *PFLT_NORMALIZE_NAME_COMPONENT_EX)(
00688     _In_ PFLT_INSTANCE Instance,
00689     _In_ PFILE_OBJECT FileObject,
00690     _In_ PCUNICODE_STRING ParentDirectory,
00691     _In_ USHORT VolumeNameLength,
00692     _In_ PCUNICODE_STRING Component,
00693     _Out_writes_bytes_(ExpandComponentNameLength) PFILE_NAMES_INFORMATION ExpandComponentName,
00694     _In_ ULONG ExpandComponentNameLength,
00695     _In_ FLT_NORMALIZE_NAME_FLAGS Flags,
00696     _Inout_ PVOID *NormalizationContext);
00697 
00698 typedef VOID
00699 (FLTAPI *PFLT_NORMALIZE_CONTEXT_CLEANUP)(
00700     _In_opt_ PVOID *NormalizationContext);
00701 
00702 #if FLT_MGR_LONGHORN
00703 typedef NTSTATUS
00704 (FLTAPI *PFLT_TRANSACTION_NOTIFICATION_CALLBACK)(
00705     _In_ PCFLT_RELATED_OBJECTS FltObjects,
00706     _In_ PFLT_CONTEXT TransactionContext,
00707     _In_ ULONG NotificationMask);
00708 #endif /* FLT_MGR_LONGHORN */
00709 
00710 #define FLT_REGISTRATION_VERSION_0200  0x0200
00711 #define FLT_REGISTRATION_VERSION_0201  0x0201
00712 #define FLT_REGISTRATION_VERSION_0202  0x0202
00713 #define FLT_REGISTRATION_VERSION_0203  0x0203
00714 
00715 #if FLT_MGR_LONGHORN
00716 #define FLT_REGISTRATION_VERSION FLT_REGISTRATION_VERSION_0202
00717 #else
00718 #define FLT_REGISTRATION_VERSION FLT_REGISTRATION_VERSION_0200
00719 #endif
00720 
00721 typedef ULONG FLT_REGISTRATION_FLAGS;
00722 
00723 #define FLTFL_REGISTRATION_DO_NOT_SUPPORT_SERVICE_STOP 0x00000001
00724 #define FLTFL_REGISTRATION_SUPPORT_NPFS_MSFS           0x00000002
00725 
00726 typedef struct _FLT_REGISTRATION {
00727   USHORT Size;
00728   USHORT Version;
00729   FLT_REGISTRATION_FLAGS Flags;
00730   CONST FLT_CONTEXT_REGISTRATION *ContextRegistration;
00731   CONST FLT_OPERATION_REGISTRATION *OperationRegistration;
00732   PFLT_FILTER_UNLOAD_CALLBACK FilterUnloadCallback;
00733   PFLT_INSTANCE_SETUP_CALLBACK InstanceSetupCallback;
00734   PFLT_INSTANCE_QUERY_TEARDOWN_CALLBACK InstanceQueryTeardownCallback;
00735   PFLT_INSTANCE_TEARDOWN_CALLBACK InstanceTeardownStartCallback;
00736   PFLT_INSTANCE_TEARDOWN_CALLBACK InstanceTeardownCompleteCallback;
00737   PFLT_GENERATE_FILE_NAME GenerateFileNameCallback;
00738   PFLT_NORMALIZE_NAME_COMPONENT NormalizeNameComponentCallback;
00739   PFLT_NORMALIZE_CONTEXT_CLEANUP NormalizeContextCleanupCallback;
00740 #if FLT_MGR_LONGHORN
00741   PFLT_TRANSACTION_NOTIFICATION_CALLBACK TransactionNotificationCallback;
00742   PFLT_NORMALIZE_NAME_COMPONENT_EX NormalizeNameComponentExCallback;
00743 #endif /* FLT_MGR_LONGHORN */
00744 } FLT_REGISTRATION, *PFLT_REGISTRATION;
00745 
00746 typedef VOID
00747 (FLTAPI *PFLT_COMPLETED_ASYNC_IO_CALLBACK)(
00748     _In_ PFLT_CALLBACK_DATA CallbackData,
00749     _In_ PFLT_CONTEXT Context);
00750 
00751 typedef ULONG FLT_IO_OPERATION_FLAGS;
00752 
00753 #define FLTFL_IO_OPERATION_NON_CACHED                   0x00000001
00754 #define FLTFL_IO_OPERATION_PAGING                       0x00000002
00755 #define FLTFL_IO_OPERATION_DO_NOT_UPDATE_BYTE_OFFSET    0x00000004
00756 
00757 #if FLT_MGR_LONGHORN
00758 #define FLTFL_IO_OPERATION_SYNCHRONOUS_PAGING           0x00000008
00759 #endif
00760 
00761 typedef VOID
00762 (FLTAPI *PFLT_GET_OPERATION_STATUS_CALLBACK)(
00763     _In_ PCFLT_RELATED_OBJECTS FltObjects,
00764     _In_ PFLT_IO_PARAMETER_BLOCK IopbSnapshot,
00765     _In_ NTSTATUS OperationStatus,
00766     _In_opt_ PVOID RequesterContext);
00767 
00768 typedef ULONG FLT_FILE_NAME_OPTIONS;
00769 
00770 #define FLT_VALID_FILE_NAME_FORMATS 0x000000ff
00771 
00772 #define FLT_FILE_NAME_NORMALIZED    0x01
00773 #define FLT_FILE_NAME_OPENED        0x02
00774 #define FLT_FILE_NAME_SHORT         0x03
00775 
00776 #define FltGetFileNameFormat( _NameOptions ) ((_NameOptions) & FLT_VALID_FILE_NAME_FORMATS)
00777 
00778 #define FLT_VALID_FILE_NAME_QUERY_METHODS               0x0000ff00
00779 
00780 #define FLT_FILE_NAME_QUERY_DEFAULT                   0x0100
00781 #define FLT_FILE_NAME_QUERY_CACHE_ONLY                0x0200
00782 #define FLT_FILE_NAME_QUERY_FILESYSTEM_ONLY           0x0300
00783 #define FLT_FILE_NAME_QUERY_ALWAYS_ALLOW_CACHE_LOOKUP 0x0400
00784 
00785 #define FltGetFileNameQueryMethod( _NameOptions ) ((_NameOptions) & FLT_VALID_FILE_NAME_QUERY_METHODS)
00786 
00787 #define FLT_VALID_FILE_NAME_FLAGS                     0xff000000
00788 
00789 #define FLT_FILE_NAME_REQUEST_FROM_CURRENT_PROVIDER   0x01000000
00790 #define FLT_FILE_NAME_DO_NOT_CACHE                    0x02000000
00791 
00792 #if FLT_MGR_AFTER_XPSP2
00793 #define FLT_FILE_NAME_ALLOW_QUERY_ON_REPARSE          0x04000000
00794 #endif
00795 
00796 typedef USHORT FLT_FILE_NAME_PARSED_FLAGS;
00797 
00798 #define FLTFL_FILE_NAME_PARSED_FINAL_COMPONENT      0x0001
00799 #define FLTFL_FILE_NAME_PARSED_EXTENSION            0x0002
00800 #define FLTFL_FILE_NAME_PARSED_STREAM               0x0004
00801 #define FLTFL_FILE_NAME_PARSED_PARENT_DIR           0x0008
00802 
00803 typedef struct _FLT_FILE_NAME_INFORMATION {
00804   USHORT Size;
00805   FLT_FILE_NAME_PARSED_FLAGS NamesParsed;
00806   FLT_FILE_NAME_OPTIONS Format;
00807   UNICODE_STRING Name;
00808   UNICODE_STRING Volume;
00809   UNICODE_STRING Share;
00810   UNICODE_STRING Extension;
00811   UNICODE_STRING Stream;
00812   UNICODE_STRING FinalComponent;
00813   UNICODE_STRING ParentDir;
00814 } FLT_FILE_NAME_INFORMATION, *PFLT_FILE_NAME_INFORMATION;
00815 
00816 typedef enum _FLT_SET_CONTEXT_OPERATION {
00817   FLT_SET_CONTEXT_REPLACE_IF_EXISTS,
00818   FLT_SET_CONTEXT_KEEP_IF_EXISTS
00819 } FLT_SET_CONTEXT_OPERATION, *PFLT_SET_CONTEXT_OPERATION;
00820 
00821 typedef struct _FLT_VOLUME_PROPERTIES {
00822   DEVICE_TYPE DeviceType;
00823   ULONG DeviceCharacteristics;
00824   ULONG DeviceObjectFlags;
00825   ULONG AlignmentRequirement;
00826   USHORT SectorSize;
00827   USHORT Reserved0;
00828   UNICODE_STRING FileSystemDriverName;
00829   UNICODE_STRING FileSystemDeviceName;
00830   UNICODE_STRING RealDeviceName;
00831 } FLT_VOLUME_PROPERTIES, *PFLT_VOLUME_PROPERTIES;
00832 
00833 #define FLT_PORT_CONNECT        0x0001
00834 #define FLT_PORT_ALL_ACCESS     (FLT_PORT_CONNECT | STANDARD_RIGHTS_ALL)
00835 
00836 typedef NTSTATUS
00837 (FLTAPI *PFLT_MESSAGE_NOTIFY)(
00838     _In_opt_ PVOID PortCookie,
00839     _In_reads_bytes_opt_(InputBufferLength) PVOID InputBuffer,
00840     _In_ ULONG InputBufferLength,
00841     _Out_writes_bytes_to_opt_(OutputBufferLength,*ReturnOutputBufferLength) PVOID OutputBuffer,
00842     _In_ ULONG OutputBufferLength,
00843     _Out_ PULONG ReturnOutputBufferLength);
00844 
00845 typedef NTSTATUS
00846 (FLTAPI *PFLT_CONNECT_NOTIFY)(
00847     _In_ PFLT_PORT ClientPort,
00848     _In_opt_ PVOID ServerPortCookie,
00849     _In_reads_bytes_opt_(SizeOfContext) PVOID ConnectionContext,
00850     _In_ ULONG SizeOfContext,
00851     _Outptr_result_maybenull_ PVOID *ConnectionPortCookie);
00852 
00853 typedef VOID
00854 (FLTAPI *PFLT_DISCONNECT_NOTIFY)(
00855     _In_opt_ PVOID ConnectionCookie);
00856 
00857 typedef VOID
00858 (FLTAPI *PFLT_COMPLETE_CANCELED_CALLBACK)(
00859     _In_ PFLT_CALLBACK_DATA CallbackData);
00860 
00861 typedef struct _FLT_DEFERRED_IO_WORKITEM *PFLT_DEFERRED_IO_WORKITEM;
00862 typedef struct _FLT_GENERIC_WORKITEM *PFLT_GENERIC_WORKITEM;
00863 
00864 typedef VOID
00865 (FLTAPI *PFLT_DEFERRED_IO_WORKITEM_ROUTINE)(
00866     _In_ PFLT_DEFERRED_IO_WORKITEM FltWorkItem,
00867     _In_ PFLT_CALLBACK_DATA CallbackData,
00868     _In_opt_ PVOID Context);
00869 
00870 typedef VOID
00871 (FLTAPI *PFLT_GENERIC_WORKITEM_ROUTINE)(
00872     _In_ PFLT_GENERIC_WORKITEM FltWorkItem,
00873     _In_ PVOID FltObject,
00874     _In_opt_ PVOID Context);
00875 
00876 typedef IO_CSQ_IRP_CONTEXT FLT_CALLBACK_DATA_QUEUE_IO_CONTEXT, *PFLT_CALLBACK_DATA_QUEUE_IO_CONTEXT;
00877 
00878 typedef struct _FLT_CALLBACK_DATA_QUEUE FLT_CALLBACK_DATA_QUEUE, *PFLT_CALLBACK_DATA_QUEUE;
00879 
00880 typedef NTSTATUS
00881 (FLTAPI *PFLT_CALLBACK_DATA_QUEUE_INSERT_IO)(
00882     _Inout_ PFLT_CALLBACK_DATA_QUEUE Cbdq,
00883     _In_ PFLT_CALLBACK_DATA Cbd,
00884     _In_opt_ PVOID InsertContext);
00885 
00886 typedef VOID
00887 (FLTAPI *PFLT_CALLBACK_DATA_QUEUE_REMOVE_IO)(
00888     _Inout_ PFLT_CALLBACK_DATA_QUEUE Cbdq,
00889     _In_ PFLT_CALLBACK_DATA Cbd);
00890 
00891 typedef PFLT_CALLBACK_DATA
00892 (FLTAPI *PFLT_CALLBACK_DATA_QUEUE_PEEK_NEXT_IO)(
00893     _In_ PFLT_CALLBACK_DATA_QUEUE Cbdq,
00894     _In_opt_ PFLT_CALLBACK_DATA Cbd,
00895     _In_opt_ PVOID PeekContext);
00896 
00897 typedef VOID
00898 (FLTAPI *PFLT_CALLBACK_DATA_QUEUE_ACQUIRE)(
00899     _Inout_ PFLT_CALLBACK_DATA_QUEUE Cbdq,
00900     _Out_opt_ PKIRQL Irql);
00901 
00902 typedef VOID
00903 (FLTAPI *PFLT_CALLBACK_DATA_QUEUE_RELEASE)(
00904     _Inout_ PFLT_CALLBACK_DATA_QUEUE Cbdq,
00905     _In_opt_ KIRQL Irql);
00906 
00907 typedef VOID
00908 (FLTAPI *PFLT_CALLBACK_DATA_QUEUE_COMPLETE_CANCELED_IO)(
00909     _Inout_ PFLT_CALLBACK_DATA_QUEUE Cbdq,
00910     _Inout_ PFLT_CALLBACK_DATA Cbd);
00911 
00912 typedef enum _FLT_CALLBACK_DATA_QUEUE_FLAGS FLT_CALLBACK_DATA_QUEUE_FLAGS;
00913 
00914 typedef struct _FLT_CALLBACK_DATA_QUEUE {
00915   IO_CSQ Csq;
00916   FLT_CALLBACK_DATA_QUEUE_FLAGS Flags;
00917   PFLT_INSTANCE Instance;
00918   PFLT_CALLBACK_DATA_QUEUE_INSERT_IO InsertIo;
00919   PFLT_CALLBACK_DATA_QUEUE_REMOVE_IO RemoveIo;
00920   PFLT_CALLBACK_DATA_QUEUE_PEEK_NEXT_IO PeekNextIo;
00921   PFLT_CALLBACK_DATA_QUEUE_ACQUIRE Acquire;
00922   PFLT_CALLBACK_DATA_QUEUE_RELEASE Release;
00923   PFLT_CALLBACK_DATA_QUEUE_COMPLETE_CANCELED_IO CompleteCanceledIo;
00924 } FLT_CALLBACK_DATA_QUEUE, *PFLT_CALLBACK_DATA_QUEUE;
00925 
00926 typedef NTSTATUS
00927 (*PFLT_COMPLETE_LOCK_CALLBACK_DATA_ROUTINE)(
00928     _In_opt_ PVOID Context,
00929     _In_ PFLT_CALLBACK_DATA CallbackData);
00930 
00931 typedef VOID
00932 (FLTAPI *PFLTOPLOCK_WAIT_COMPLETE_ROUTINE)(
00933     _In_ PFLT_CALLBACK_DATA CallbackData,
00934     _In_opt_ PVOID Context);
00935 
00936 typedef VOID
00937 (FLTAPI *PFLTOPLOCK_PREPOST_CALLBACKDATA_ROUTINE)(
00938     _In_ PFLT_CALLBACK_DATA CallbackData,
00939     _In_opt_ PVOID Context);
00940 
00941 VOID
00942 FLTAPI
00943 FltSetCallbackDataDirty(
00944     _Inout_ PFLT_CALLBACK_DATA Data);
00945 
00946 VOID
00947 FLTAPI
00948 FltClearCallbackDataDirty(
00949     _Inout_ PFLT_CALLBACK_DATA Data);
00950 
00951 BOOLEAN
00952 FLTAPI
00953 FltIsCallbackDataDirty(
00954     _In_ PFLT_CALLBACK_DATA Data);
00955 
00956 _Must_inspect_result_
00957 BOOLEAN
00958 FLTAPI
00959 FltDoCompletionProcessingWhenSafe(
00960     _In_ PFLT_CALLBACK_DATA Data,
00961     _In_ PCFLT_RELATED_OBJECTS FltObjects,
00962     _In_opt_ PVOID CompletionContext,
00963     _In_ FLT_POST_OPERATION_FLAGS Flags,
00964     _In_ PFLT_POST_OPERATION_CALLBACK SafePostCallback,
00965     _Out_ PFLT_POSTOP_CALLBACK_STATUS RetPostOperationStatus);
00966 
00967 _Must_inspect_result_
00968 _IRQL_requires_max_(APC_LEVEL)
00969 NTSTATUS
00970 FLTAPI
00971 FltCheckAndGrowNameControl(
00972     _Inout_ PFLT_NAME_CONTROL NameCtrl,
00973     _In_ USHORT NewSize);
00974 
00975 _Must_inspect_result_
00976 _IRQL_requires_max_(APC_LEVEL)
00977 NTSTATUS
00978 FLTAPI
00979 FltPurgeFileNameInformationCache(
00980     _In_ PFLT_INSTANCE Instance,
00981     _In_opt_ PFILE_OBJECT FileObject);
00982 
00983 _Must_inspect_result_
00984 _IRQL_requires_max_(APC_LEVEL)
00985 NTSTATUS
00986 FLTAPI
00987 FltRegisterFilter(
00988     _In_ PDRIVER_OBJECT Driver,
00989     _In_ CONST FLT_REGISTRATION *Registration,
00990     _Outptr_ PFLT_FILTER *RetFilter);
00991 
00992 _IRQL_requires_max_(APC_LEVEL)
00993 VOID
00994 FLTAPI
00995 FltUnregisterFilter(
00996     _In_ PFLT_FILTER Filter);
00997 
00998 _Must_inspect_result_
00999 _IRQL_requires_max_(APC_LEVEL)
01000 NTSTATUS
01001 FLTAPI
01002 FltStartFiltering(
01003     _In_ PFLT_FILTER Filter);
01004 
01005 _Must_inspect_result_
01006 _IRQL_requires_max_(APC_LEVEL)
01007 PVOID
01008 FLTAPI
01009 FltGetRoutineAddress(
01010     _In_ PCSTR FltMgrRoutineName);
01011 
01012 _When_(CallbackStatus==FLT_PREOP_COMPLETE, _IRQL_requires_max_(DISPATCH_LEVEL))
01013 _When_(CallbackStatus!=FLT_PREOP_COMPLETE, _IRQL_requires_max_(APC_LEVEL))
01014 VOID
01015 FLTAPI
01016 FltCompletePendedPreOperation(
01017     _In_ PFLT_CALLBACK_DATA CallbackData,
01018     _In_ FLT_PREOP_CALLBACK_STATUS CallbackStatus,
01019     _In_opt_ PVOID Context);
01020 
01021 _IRQL_requires_max_(DISPATCH_LEVEL)
01022 VOID
01023 FLTAPI
01024 FltCompletePendedPostOperation(
01025     _In_ PFLT_CALLBACK_DATA CallbackData);
01026 
01027 _Must_inspect_result_
01028 _IRQL_requires_max_(DISPATCH_LEVEL)
01029 NTSTATUS
01030 FLTAPI
01031 FltRequestOperationStatusCallback(
01032     _In_ PFLT_CALLBACK_DATA Data,
01033     _In_ PFLT_GET_OPERATION_STATUS_CALLBACK CallbackRoutine,
01034     _In_opt_ PVOID RequesterContext);
01035 
01036 _When_((PoolType==NonPagedPoolNx), _IRQL_requires_max_(DISPATCH_LEVEL))
01037 _When_((PoolType!=NonPagedPoolNx), _IRQL_requires_max_(APC_LEVEL))
01038 PVOID
01039 FLTAPI
01040 FltAllocatePoolAlignedWithTag(
01041     _In_ PFLT_INSTANCE Instance,
01042     _In_ POOL_TYPE PoolType,
01043     _In_ SIZE_T NumberOfBytes,
01044     _In_ ULONG Tag);
01045 
01046 _IRQL_requires_max_(DISPATCH_LEVEL)
01047 VOID
01048 FLTAPI
01049 FltFreePoolAlignedWithTag(
01050     _In_ PFLT_INSTANCE Instance,
01051     _In_ PVOID Buffer,
01052     _In_ ULONG Tag);
01053 
01054 _Must_inspect_result_
01055 _IRQL_requires_max_(APC_LEVEL)
01056 NTSTATUS
01057 FLTAPI
01058 FltGetFileNameInformation(
01059     _In_ PFLT_CALLBACK_DATA CallbackData,
01060     _In_ FLT_FILE_NAME_OPTIONS NameOptions,
01061     _Outptr_ PFLT_FILE_NAME_INFORMATION *FileNameInformation);
01062 
01063 _Must_inspect_result_
01064 _IRQL_requires_max_(APC_LEVEL)
01065 NTSTATUS
01066 FLTAPI
01067 FltGetFileNameInformationUnsafe(
01068     _In_ PFILE_OBJECT FileObject,
01069     _In_opt_ PFLT_INSTANCE Instance,
01070     _In_ FLT_FILE_NAME_OPTIONS NameOptions,
01071     _Outptr_ PFLT_FILE_NAME_INFORMATION *FileNameInformation);
01072 
01073 _IRQL_requires_max_(APC_LEVEL)
01074 VOID
01075 FLTAPI
01076 FltReleaseFileNameInformation(
01077     _In_ PFLT_FILE_NAME_INFORMATION FileNameInformation);
01078 
01079 _IRQL_requires_max_(APC_LEVEL)
01080 VOID
01081 FLTAPI
01082 FltReferenceFileNameInformation(
01083     _In_ PFLT_FILE_NAME_INFORMATION FileNameInformation);
01084 
01085 _IRQL_requires_max_(APC_LEVEL)
01086 NTSTATUS
01087 FLTAPI
01088 FltParseFileName(
01089     _In_ PCUNICODE_STRING FileName,
01090     _Inout_opt_ PUNICODE_STRING Extension,
01091     _Inout_opt_ PUNICODE_STRING Stream,
01092     _Inout_opt_ PUNICODE_STRING FinalComponent);
01093 
01094 _IRQL_requires_max_(APC_LEVEL)
01095 NTSTATUS
01096 FLTAPI
01097 FltParseFileNameInformation(
01098     _Inout_ PFLT_FILE_NAME_INFORMATION FileNameInformation);
01099 
01100 _Must_inspect_result_
01101 _IRQL_requires_max_(APC_LEVEL)
01102 NTSTATUS
01103 FLTAPI
01104 FltGetTunneledName(
01105     _In_ PFLT_CALLBACK_DATA CallbackData,
01106     _In_ PFLT_FILE_NAME_INFORMATION FileNameInformation,
01107     _Outptr_result_maybenull_ PFLT_FILE_NAME_INFORMATION *RetTunneledFileNameInformation);
01108 
01109 _Must_inspect_result_
01110 _IRQL_requires_max_(APC_LEVEL)
01111 NTSTATUS
01112 FLTAPI
01113 FltGetVolumeName(
01114     _In_ PFLT_VOLUME Volume,
01115     _Inout_opt_ PUNICODE_STRING VolumeName,
01116     _Out_opt_ PULONG BufferSizeNeeded);
01117 
01118 _Must_inspect_result_
01119 _IRQL_requires_max_(APC_LEVEL)
01120 NTSTATUS
01121 FLTAPI
01122 FltGetDestinationFileNameInformation(
01123     _In_ PFLT_INSTANCE Instance,
01124     _In_ PFILE_OBJECT FileObject,
01125     _In_opt_ HANDLE RootDirectory,
01126     _In_reads_bytes_(FileNameLength) PWSTR FileName,
01127     _In_ ULONG FileNameLength,
01128     _In_ FLT_FILE_NAME_OPTIONS NameOptions,
01129     _Outptr_ PFLT_FILE_NAME_INFORMATION *RetFileNameInformation);
01130 
01131 _Must_inspect_result_
01132 _IRQL_requires_max_(APC_LEVEL)
01133 NTSTATUS
01134 FLTAPI
01135 FltIsDirectory(
01136     _In_ PFILE_OBJECT FileObject,
01137     _In_ PFLT_INSTANCE Instance,
01138     _Out_ PBOOLEAN IsDirectory);
01139 
01140 _Must_inspect_result_
01141 _IRQL_requires_max_(PASSIVE_LEVEL)
01142 NTSTATUS
01143 FLTAPI
01144 FltLoadFilter(
01145     _In_ PCUNICODE_STRING FilterName);
01146 
01147 _Must_inspect_result_
01148 _IRQL_requires_max_(PASSIVE_LEVEL)
01149 NTSTATUS
01150 FLTAPI
01151 FltUnloadFilter(
01152     _In_ PCUNICODE_STRING FilterName);
01153 
01154 _Must_inspect_result_
01155 _IRQL_requires_max_(APC_LEVEL)
01156 NTSTATUS
01157 FLTAPI
01158 FltAttachVolume(
01159     _Inout_ PFLT_FILTER Filter,
01160     _Inout_ PFLT_VOLUME Volume,
01161     _In_opt_ PCUNICODE_STRING InstanceName,
01162     _Outptr_opt_result_maybenull_ PFLT_INSTANCE *RetInstance);
01163 
01164 _Must_inspect_result_
01165 _IRQL_requires_max_(APC_LEVEL)
01166 NTSTATUS
01167 FLTAPI
01168 FltAttachVolumeAtAltitude(
01169     _Inout_ PFLT_FILTER Filter,
01170     _Inout_ PFLT_VOLUME Volume,
01171     _In_ PCUNICODE_STRING Altitude,
01172     _In_opt_ PCUNICODE_STRING InstanceName,
01173     _Outptr_opt_result_maybenull_ PFLT_INSTANCE *RetInstance);
01174 
01175 _Must_inspect_result_
01176 _IRQL_requires_max_(APC_LEVEL)
01177 NTSTATUS
01178 FLTAPI
01179 FltDetachVolume(
01180     _Inout_ PFLT_FILTER Filter,
01181     _Inout_ PFLT_VOLUME Volume,
01182     _In_opt_ PCUNICODE_STRING InstanceName);
01183 
01184 _Must_inspect_result_
01185 _IRQL_requires_max_(APC_LEVEL)
01186 NTSTATUS
01187 FLTAPI
01188 FltAllocateCallbackData(
01189     _In_ PFLT_INSTANCE Instance,
01190     _In_opt_ PFILE_OBJECT FileObject,
01191     _Outptr_ PFLT_CALLBACK_DATA *RetNewCallbackData);
01192 
01193 _IRQL_requires_max_(DISPATCH_LEVEL)
01194 VOID
01195 FLTAPI
01196 FltFreeCallbackData(
01197     _In_ PFLT_CALLBACK_DATA CallbackData);
01198 
01199 _IRQL_requires_max_(APC_LEVEL)
01200 VOID
01201 FLTAPI
01202 FltReuseCallbackData(
01203     _Inout_ PFLT_CALLBACK_DATA CallbackData);
01204 
01205 _When_(FlagOn(CallbackData->Iopb->IrpFlags, IRP_PAGING_IO), _IRQL_requires_max_(APC_LEVEL))
01206 _When_(!FlagOn(CallbackData->Iopb->IrpFlags, IRP_PAGING_IO), _IRQL_requires_max_(PASSIVE_LEVEL))
01207 VOID
01208 FLTAPI
01209 FltPerformSynchronousIo(
01210     _Inout_ PFLT_CALLBACK_DATA CallbackData);
01211 
01212 _Must_inspect_result_
01213 _When_( FlagOn(CallbackData->Iopb->IrpFlags, IRP_PAGING_IO), _IRQL_requires_max_(APC_LEVEL))
01214 _When_( !FlagOn(CallbackData->Iopb->IrpFlags, IRP_PAGING_IO), _IRQL_requires_max_(PASSIVE_LEVEL))
01215 NTSTATUS
01216 FLTAPI
01217 FltPerformAsynchronousIo(
01218     _Inout_ PFLT_CALLBACK_DATA CallbackData,
01219     _In_ PFLT_COMPLETED_ASYNC_IO_CALLBACK CallbackRoutine,
01220     _In_ PVOID CallbackContext);
01221 
01222 _Must_inspect_result_
01223 _IRQL_requires_max_(PASSIVE_LEVEL)
01224 NTSTATUS
01225 FLTAPI
01226 FltCreateFile(
01227     _In_ PFLT_FILTER Filter,
01228     _In_opt_ PFLT_INSTANCE Instance,
01229     _Out_ PHANDLE FileHandle,
01230     _In_ ACCESS_MASK DesiredAccess,
01231     _In_ POBJECT_ATTRIBUTES ObjectAttributes,
01232     _Out_ PIO_STATUS_BLOCK IoStatusBlock,
01233     _In_opt_ PLARGE_INTEGER AllocationSize,
01234     _In_ ULONG FileAttributes,
01235     _In_ ULONG ShareAccess,
01236     _In_ ULONG CreateDisposition,
01237     _In_ ULONG CreateOptions,
01238     _In_reads_bytes_opt_(EaLength)PVOID EaBuffer,
01239     _In_ ULONG EaLength,
01240     _In_ ULONG Flags);
01241 
01242 _Must_inspect_result_
01243 _IRQL_requires_max_(PASSIVE_LEVEL)
01244 _When_((Flags|FLTFL_IO_OPERATION_PAGING|FLTFL_IO_OPERATION_SYNCHRONOUS_PAGING),_IRQL_requires_max_(APC_LEVEL))
01245 NTSTATUS
01246 FLTAPI
01247 FltReadFile(
01248     _In_ PFLT_INSTANCE InitiatingInstance,
01249     _In_ PFILE_OBJECT FileObject,
01250     _In_opt_ PLARGE_INTEGER ByteOffset,
01251     _In_ ULONG Length,
01252     _Out_writes_bytes_to_(Length,*BytesRead) PVOID Buffer,
01253     _In_ FLT_IO_OPERATION_FLAGS Flags,
01254     _Out_opt_ PULONG BytesRead,
01255     _In_opt_ PFLT_COMPLETED_ASYNC_IO_CALLBACK CallbackRoutine,
01256     _In_opt_ PVOID CallbackContext);
01257 
01258 _Must_inspect_result_
01259 _IRQL_requires_max_(PASSIVE_LEVEL)
01260 NTSTATUS
01261 FLTAPI
01262 FltTagFile(
01263     _In_ PFLT_INSTANCE InitiatingInstance,
01264     _In_ PFILE_OBJECT FileObject,
01265     _In_ ULONG FileTag,
01266     _In_opt_ GUID *Guid,
01267     _In_reads_bytes_(DataBufferLength) PVOID DataBuffer,
01268     _In_ USHORT DataBufferLength);
01269 
01270 _Must_inspect_result_
01271 _IRQL_requires_max_(PASSIVE_LEVEL)
01272 NTSTATUS
01273 FLTAPI
01274 FltUntagFile(
01275     _In_ PFLT_INSTANCE InitiatingInstance,
01276     _In_ PFILE_OBJECT FileObject,
01277     _In_ ULONG FileTag,
01278     _In_opt_ GUID *Guid);
01279 
01280 _Must_inspect_result_
01281 _IRQL_requires_max_(PASSIVE_LEVEL)
01282 _When_((Flags|FLTFL_IO_OPERATION_PAGING|FLTFL_IO_OPERATION_SYNCHRONOUS_PAGING),_IRQL_requires_max_(APC_LEVEL))
01283 NTSTATUS
01284 FLTAPI
01285 FltWriteFile(
01286     _In_ PFLT_INSTANCE InitiatingInstance,
01287     _In_ PFILE_OBJECT FileObject,
01288     _In_opt_ PLARGE_INTEGER ByteOffset,
01289     _In_ ULONG Length,
01290     _In_reads_bytes_(Length) PVOID Buffer,
01291     _In_ FLT_IO_OPERATION_FLAGS Flags,
01292     _Out_opt_ PULONG BytesWritten,
01293     _In_opt_ PFLT_COMPLETED_ASYNC_IO_CALLBACK CallbackRoutine,
01294     _In_opt_ PVOID CallbackContext);
01295 
01296 _Must_inspect_result_
01297 _IRQL_requires_max_(PASSIVE_LEVEL)
01298 NTSTATUS
01299 FLTAPI
01300 FltQueryInformationFile(
01301     _In_ PFLT_INSTANCE Instance,
01302     _In_ PFILE_OBJECT FileObject,
01303     _Out_writes_bytes_to_(Length,*LengthReturned) PVOID FileInformation,
01304     _In_ ULONG Length,
01305     _In_ FILE_INFORMATION_CLASS FileInformationClass,
01306     _Out_opt_ PULONG LengthReturned);
01307 
01308 _Must_inspect_result_
01309 _IRQL_requires_max_(PASSIVE_LEVEL)
01310 NTSTATUS
01311 FLTAPI
01312 FltSetInformationFile(
01313     _In_ PFLT_INSTANCE Instance,
01314     _In_ PFILE_OBJECT FileObject,
01315     _In_reads_bytes_(Length) PVOID FileInformation,
01316     _In_ ULONG Length,
01317     _In_ FILE_INFORMATION_CLASS FileInformationClass);
01318 
01319 _Must_inspect_result_
01320 _IRQL_requires_max_(PASSIVE_LEVEL)
01321 NTSTATUS
01322 FLTAPI
01323 FltQueryVolumeInformationFile(
01324     _In_ PFLT_INSTANCE Instance,
01325     _In_ PFILE_OBJECT FileObject,
01326     _Out_writes_bytes_to_(Length,*LengthReturned) PVOID FsInformation,
01327     _In_ ULONG Length,
01328     _In_ FS_INFORMATION_CLASS FsInformationClass,
01329     _Out_opt_ PULONG LengthReturned);
01330 
01331 _Must_inspect_result_
01332 _IRQL_requires_max_(PASSIVE_LEVEL)
01333 NTSTATUS
01334 FLTAPI
01335 FltQuerySecurityObject(
01336     _In_ PFLT_INSTANCE Instance,
01337     _In_ PFILE_OBJECT FileObject,
01338     _In_ SECURITY_INFORMATION SecurityInformation,
01339     _Inout_updates_bytes_opt_(Length) PSECURITY_DESCRIPTOR SecurityDescriptor,
01340     _In_ ULONG Length,
01341     _Out_opt_ PULONG LengthNeeded);
01342 
01343 _Must_inspect_result_
01344 _IRQL_requires_max_(PASSIVE_LEVEL)
01345 NTSTATUS
01346 FLTAPI
01347 FltSetSecurityObject(
01348     _In_ PFLT_INSTANCE Instance,
01349     _In_ PFILE_OBJECT FileObject,
01350     _In_ SECURITY_INFORMATION SecurityInformation,
01351     _In_ PSECURITY_DESCRIPTOR SecurityDescriptor);
01352 
01353 _Must_inspect_result_
01354 _IRQL_requires_max_(PASSIVE_LEVEL)
01355 NTSTATUS
01356 FLTAPI
01357 FltFlushBuffers(
01358     _In_ PFLT_INSTANCE Instance,
01359     _In_ PFILE_OBJECT FileObject);
01360 
01361 _Must_inspect_result_
01362 _IRQL_requires_max_(PASSIVE_LEVEL)
01363 NTSTATUS
01364 FLTAPI
01365 FltFsControlFile(
01366     _In_ PFLT_INSTANCE Instance,
01367     _In_  PFILE_OBJECT FileObject,
01368     _In_ ULONG FsControlCode,
01369     _In_reads_bytes_opt_(InputBufferLength) PVOID InputBuffer,
01370     _In_ ULONG InputBufferLength,
01371     _Out_writes_bytes_to_opt_(OutputBufferLength,*LengthReturned) PVOID OutputBuffer,
01372     _In_ ULONG OutputBufferLength,
01373     _Out_opt_ PULONG LengthReturned);
01374 
01375 _Must_inspect_result_
01376 _IRQL_requires_max_(PASSIVE_LEVEL)
01377 NTSTATUS
01378 FLTAPI
01379 FltDeviceIoControlFile(
01380     _In_ PFLT_INSTANCE Instance,
01381     _In_ PFILE_OBJECT FileObject,
01382     _In_ ULONG IoControlCode,
01383     _In_reads_bytes_opt_(InputBufferLength) PVOID InputBuffer,
01384     _In_ ULONG InputBufferLength,
01385     _Out_writes_bytes_to_opt_(OutputBufferLength,*LengthReturned) PVOID OutputBuffer,
01386     _In_ ULONG OutputBufferLength,
01387     _Out_opt_ PULONG LengthReturned);
01388 
01389 _Must_inspect_result_
01390 _When_(FlagOn(CallbackData->Iopb->IrpFlags, IRP_PAGING_IO), _IRQL_requires_max_(APC_LEVEL))
01391 _When_(!FlagOn(CallbackData->Iopb->IrpFlags, IRP_PAGING_IO), _IRQL_requires_max_(PASSIVE_LEVEL))
01392 VOID
01393 FLTAPI
01394 FltReissueSynchronousIo(
01395    _In_ PFLT_INSTANCE InitiatingInstance,
01396    _In_ PFLT_CALLBACK_DATA CallbackData);
01397 
01398 _IRQL_requires_max_(PASSIVE_LEVEL)
01399 NTSTATUS
01400 FLTAPI
01401 FltClose(
01402    _In_ HANDLE FileHandle);
01403 
01404 _IRQL_requires_max_(PASSIVE_LEVEL)
01405 VOID
01406 FLTAPI
01407 FltCancelFileOpen(
01408     _In_ PFLT_INSTANCE Instance,
01409     _In_ PFILE_OBJECT FileObject);
01410 
01411 _Must_inspect_result_
01412 _IRQL_requires_max_(PASSIVE_LEVEL)
01413 NTSTATUS
01414 FLTAPI
01415 FltCreateSystemVolumeInformationFolder(
01416     _In_ PFLT_INSTANCE Instance);
01417 
01418 _IRQL_requires_max_(APC_LEVEL)
01419 BOOLEAN
01420 FLTAPI
01421 FltSupportsFileContexts(
01422     _In_ PFILE_OBJECT FileObject);
01423 
01424 _IRQL_requires_max_(APC_LEVEL)
01425 BOOLEAN
01426 FLTAPI
01427 FltSupportsStreamContexts(
01428     _In_ PFILE_OBJECT FileObject);
01429 
01430 _IRQL_requires_max_(APC_LEVEL)
01431 BOOLEAN
01432 FLTAPI
01433 FltSupportsStreamHandleContexts(
01434     _In_ PFILE_OBJECT FileObject);
01435 
01436 _Must_inspect_result_
01437 _IRQL_requires_max_(APC_LEVEL)
01438 NTSTATUS
01439 FLTAPI
01440 FltAllocateContext(
01441     _In_ PFLT_FILTER Filter,
01442     _In_ FLT_CONTEXT_TYPE ContextType,
01443     _In_ SIZE_T ContextSize,
01444     _In_ POOL_TYPE PoolType,
01445     _Outptr_result_bytebuffer_(ContextSize) PFLT_CONTEXT *ReturnedContext);
01446 
01447 _IRQL_requires_max_(APC_LEVEL)
01448 VOID
01449 FLTAPI
01450 FltGetContexts(
01451     _In_ PCFLT_RELATED_OBJECTS FltObjects,
01452     _In_ FLT_CONTEXT_TYPE DesiredContexts,
01453     _Out_ PFLT_RELATED_CONTEXTS Contexts);
01454 
01455 _IRQL_requires_max_(APC_LEVEL)
01456 VOID
01457 FLTAPI
01458 FltReleaseContexts(
01459     _In_ PFLT_RELATED_CONTEXTS Contexts);
01460 
01461 _IRQL_requires_max_(APC_LEVEL)
01462 NTSTATUS
01463 FLTAPI
01464 FltSetVolumeContext(
01465     _In_ PFLT_VOLUME Volume,
01466     _In_ FLT_SET_CONTEXT_OPERATION Operation,
01467     _In_ PFLT_CONTEXT NewContext,
01468     _Outptr_opt_result_maybenull_ PFLT_CONTEXT *OldContext);
01469 
01470 _IRQL_requires_max_(APC_LEVEL)
01471 NTSTATUS
01472 FLTAPI
01473 FltSetInstanceContext(
01474     _In_ PFLT_INSTANCE Instance,
01475     _In_ FLT_SET_CONTEXT_OPERATION Operation,
01476     _In_ PFLT_CONTEXT NewContext,
01477     _Outptr_opt_result_maybenull_ PFLT_CONTEXT *OldContext);
01478 
01479 _IRQL_requires_max_(APC_LEVEL)
01480 NTSTATUS
01481 FLTAPI
01482 FltSetFileContext(
01483     _In_ PFLT_INSTANCE Instance,
01484     _In_ PFILE_OBJECT FileObject,
01485     _In_ FLT_SET_CONTEXT_OPERATION Operation,
01486     _In_ PFLT_CONTEXT NewContext,
01487     _Outptr_opt_result_maybenull_ PFLT_CONTEXT *OldContext);
01488 
01489 _IRQL_requires_max_(APC_LEVEL)
01490 NTSTATUS
01491 FLTAPI
01492 FltSetStreamContext(
01493     _In_ PFLT_INSTANCE Instance,
01494     _In_ PFILE_OBJECT FileObject,
01495     _In_ FLT_SET_CONTEXT_OPERATION Operation,
01496     _In_ PFLT_CONTEXT NewContext,
01497     _Outptr_opt_result_maybenull_ PFLT_CONTEXT *OldContext);
01498 
01499 _IRQL_requires_max_(APC_LEVEL)
01500 NTSTATUS
01501 FLTAPI
01502 FltSetStreamHandleContext(
01503     _In_ PFLT_INSTANCE Instance,
01504     _In_ PFILE_OBJECT FileObject,
01505     _In_ FLT_SET_CONTEXT_OPERATION Operation,
01506     _In_ PFLT_CONTEXT NewContext,
01507     _Outptr_opt_result_maybenull_ PFLT_CONTEXT *OldContext);
01508 
01509 _IRQL_requires_max_(APC_LEVEL)
01510 VOID
01511 FLTAPI
01512 FltDeleteContext(
01513     _In_ PFLT_CONTEXT Context);
01514 
01515 _IRQL_requires_max_(APC_LEVEL)
01516 NTSTATUS
01517 FLTAPI
01518 FltDeleteVolumeContext(
01519     _In_ PFLT_FILTER Filter,
01520     _In_ PFLT_VOLUME Volume,
01521     _Outptr_opt_result_maybenull_ PFLT_CONTEXT *OldContext);
01522 
01523 _IRQL_requires_max_(APC_LEVEL)
01524 NTSTATUS
01525 FLTAPI
01526 FltDeleteInstanceContext(
01527     _In_ PFLT_INSTANCE Instance,
01528     _Outptr_opt_result_maybenull_ PFLT_CONTEXT *OldContext);
01529 
01530 _IRQL_requires_max_(APC_LEVEL)
01531 NTSTATUS
01532 FLTAPI
01533 FltDeleteFileContext(
01534     _In_ PFLT_INSTANCE Instance,
01535     _In_ PFILE_OBJECT FileObject,
01536     _Outptr_opt_result_maybenull_ PFLT_CONTEXT *OldContext);
01537 
01538 _IRQL_requires_max_(APC_LEVEL)
01539 NTSTATUS
01540 FLTAPI
01541 FltDeleteStreamContext(
01542     _In_ PFLT_INSTANCE Instance,
01543     _In_ PFILE_OBJECT FileObject,
01544     _Outptr_opt_result_maybenull_ PFLT_CONTEXT *OldContext);
01545 
01546 _IRQL_requires_max_(APC_LEVEL)
01547 NTSTATUS
01548 FLTAPI
01549 FltDeleteStreamHandleContext(
01550     _In_ PFLT_INSTANCE Instance,
01551     _In_ PFILE_OBJECT FileObject,
01552     _Outptr_opt_result_maybenull_ PFLT_CONTEXT *OldContext);
01553 
01554 _IRQL_requires_max_(APC_LEVEL)
01555 NTSTATUS
01556 FLTAPI
01557 FltGetVolumeContext(
01558     _In_ PFLT_FILTER Filter,
01559     _In_ PFLT_VOLUME Volume,
01560     _Outptr_ PFLT_CONTEXT *Context);
01561 
01562 _IRQL_requires_max_(APC_LEVEL)
01563 NTSTATUS
01564 FLTAPI
01565 FltGetInstanceContext(
01566     _In_ PFLT_INSTANCE Instance,
01567     _Outptr_ PFLT_CONTEXT *Context);
01568 
01569 _IRQL_requires_max_(APC_LEVEL)
01570 NTSTATUS
01571 FLTAPI
01572 FltGetFileContext(
01573     _In_ PFLT_INSTANCE Instance,
01574     _In_ PFILE_OBJECT FileObject,
01575     _Outptr_ PFLT_CONTEXT *Context);
01576 
01577 _IRQL_requires_max_(APC_LEVEL)
01578 NTSTATUS
01579 FLTAPI
01580 FltGetStreamContext(
01581     _In_ PFLT_INSTANCE Instance,
01582     _In_ PFILE_OBJECT FileObject,
01583     _Outptr_ PFLT_CONTEXT *Context);
01584 
01585 _IRQL_requires_max_(APC_LEVEL)
01586 NTSTATUS
01587 FLTAPI
01588 FltGetStreamHandleContext(
01589     _In_ PFLT_INSTANCE Instance,
01590     _In_ PFILE_OBJECT FileObject,
01591     _Outptr_ PFLT_CONTEXT *Context);
01592 
01593 _IRQL_requires_max_(DISPATCH_LEVEL)
01594 VOID
01595 FLTAPI
01596 FltReferenceContext(
01597     _In_ PFLT_CONTEXT Context);
01598 
01599 _IRQL_requires_max_(DISPATCH_LEVEL)
01600 VOID
01601 FLTAPI
01602 FltReleaseContext(
01603     _In_ PFLT_CONTEXT Context);
01604 
01605 _IRQL_requires_max_(APC_LEVEL)
01606 NTSTATUS
01607 FLTAPI
01608 FltGetFilterFromName(
01609     _In_ PCUNICODE_STRING FilterName,
01610     _Outptr_ PFLT_FILTER *RetFilter);
01611 
01612 _IRQL_requires_max_(PASSIVE_LEVEL)
01613 NTSTATUS
01614 FLTAPI
01615 FltGetVolumeFromName(
01616     _In_ PFLT_FILTER Filter,
01617     _In_ PCUNICODE_STRING VolumeName,
01618     _Outptr_ PFLT_VOLUME *RetVolume);
01619 
01620 _IRQL_requires_max_(APC_LEVEL)
01621 NTSTATUS
01622 FLTAPI
01623 FltGetVolumeInstanceFromName(
01624     _In_opt_ PFLT_FILTER Filter,
01625     _In_ PFLT_VOLUME Volume,
01626     _In_opt_ PCUNICODE_STRING InstanceName,
01627     _Outptr_ PFLT_INSTANCE *RetInstance);
01628 
01629 _IRQL_requires_max_(APC_LEVEL)
01630 NTSTATUS
01631 FLTAPI
01632 FltGetVolumeFromInstance(
01633     _In_ PFLT_INSTANCE Instance,
01634     _Outptr_ PFLT_VOLUME *RetVolume);
01635 
01636 _IRQL_requires_max_(APC_LEVEL)
01637 NTSTATUS
01638 FLTAPI
01639 FltGetFilterFromInstance(
01640     _In_ PFLT_INSTANCE Instance,
01641     _Outptr_ PFLT_FILTER *RetFilter);
01642 
01643 _IRQL_requires_max_(APC_LEVEL)
01644 NTSTATUS
01645 FLTAPI
01646 FltGetVolumeFromFileObject(
01647     _In_ PFLT_FILTER Filter,
01648     _In_ PFILE_OBJECT FileObject,
01649     _Outptr_ PFLT_VOLUME *RetVolume);
01650 
01651 _IRQL_requires_max_(APC_LEVEL)
01652 NTSTATUS
01653 FLTAPI
01654 FltGetVolumeFromDeviceObject(
01655     _In_ PFLT_FILTER Filter,
01656     _In_ PDEVICE_OBJECT DeviceObject,
01657     _Outptr_ PFLT_VOLUME *RetVolume);
01658 
01659 _IRQL_requires_max_(DISPATCH_LEVEL)
01660 NTSTATUS
01661 FLTAPI
01662 FltGetDeviceObject(
01663     _In_ PFLT_VOLUME Volume,
01664     _Outptr_ PDEVICE_OBJECT *DeviceObject);
01665 
01666 _IRQL_requires_max_(DISPATCH_LEVEL)
01667 NTSTATUS
01668 FLTAPI
01669 FltGetDiskDeviceObject(
01670     _In_ PFLT_VOLUME Volume,
01671     _Outptr_ PDEVICE_OBJECT *DiskDeviceObject);
01672 
01673 _IRQL_requires_max_(APC_LEVEL)
01674 NTSTATUS
01675 FLTAPI
01676 FltGetLowerInstance(
01677     _In_ PFLT_INSTANCE CurrentInstance,
01678     _Outptr_ PFLT_INSTANCE *LowerInstance);
01679 
01680 _IRQL_requires_max_(APC_LEVEL)
01681 NTSTATUS
01682 FLTAPI
01683 FltGetUpperInstance(
01684     _In_ PFLT_INSTANCE CurrentInstance,
01685     _Outptr_ PFLT_INSTANCE *UpperInstance);
01686 
01687 _IRQL_requires_max_(APC_LEVEL)
01688 NTSTATUS
01689 FLTAPI
01690 FltGetTopInstance(
01691     _In_ PFLT_VOLUME Volume,
01692     _Outptr_ PFLT_INSTANCE *Instance);
01693 
01694 _IRQL_requires_max_(APC_LEVEL)
01695 NTSTATUS
01696 FLTAPI
01697 FltGetBottomInstance(
01698     _In_ PFLT_VOLUME Volume,
01699     _Outptr_ PFLT_INSTANCE *Instance);
01700 
01701 LONG
01702 FLTAPI
01703 FltCompareInstanceAltitudes(
01704     _In_ PFLT_INSTANCE Instance1,
01705     _In_ PFLT_INSTANCE Instance2);
01706 
01707 _IRQL_requires_max_(APC_LEVEL)
01708 NTSTATUS
01709 FLTAPI
01710 FltGetFilterInformation(
01711     _In_ PFLT_FILTER Filter,
01712     _In_ FILTER_INFORMATION_CLASS InformationClass,
01713     _Out_writes_bytes_to_opt_(BufferSize, *BytesReturned) PVOID Buffer,
01714     _In_ ULONG BufferSize,
01715     _Out_ PULONG BytesReturned);
01716 
01717 _IRQL_requires_max_(APC_LEVEL)
01718 NTSTATUS
01719 FLTAPI
01720 FltGetInstanceInformation(
01721     _In_ PFLT_INSTANCE Instance,
01722     _In_ INSTANCE_INFORMATION_CLASS InformationClass,
01723     _Out_writes_bytes_to_opt_(BufferSize,*BytesReturned) PVOID Buffer,
01724     _In_ ULONG BufferSize,
01725     _Out_ PULONG BytesReturned);
01726 
01727 _IRQL_requires_max_(APC_LEVEL)
01728 NTSTATUS
01729 FLTAPI
01730 FltGetVolumeProperties(
01731     _In_ PFLT_VOLUME Volume,
01732     _Out_writes_bytes_to_opt_(VolumePropertiesLength,*LengthReturned) PFLT_VOLUME_PROPERTIES VolumeProperties,
01733     _In_ ULONG VolumePropertiesLength,
01734     _Out_ PULONG LengthReturned);
01735 
01736 _Must_inspect_result_
01737 _IRQL_requires_max_(PASSIVE_LEVEL)
01738 NTSTATUS
01739 FLTAPI
01740 FltIsVolumeWritable(
01741     _In_ PVOID FltObject,
01742     _Out_ PBOOLEAN IsWritable);
01743 
01744 _Must_inspect_result_
01745 _IRQL_requires_max_(PASSIVE_LEVEL)
01746 NTSTATUS
01747 FLTAPI
01748 FltGetVolumeGuidName(
01749     _In_ PFLT_VOLUME Volume,
01750     _Out_ PUNICODE_STRING VolumeGuidName,
01751     _Out_opt_ PULONG BufferSizeNeeded);
01752 
01753 _Must_inspect_result_
01754 _IRQL_requires_max_(PASSIVE_LEVEL)
01755 NTSTATUS
01756 FLTAPI
01757 FltQueryVolumeInformation(
01758     _In_ PFLT_INSTANCE Instance,
01759     _Out_ PIO_STATUS_BLOCK Iosb,
01760     _Out_writes_bytes_(Length) PVOID FsInformation,
01761     _In_ ULONG Length,
01762     _In_ FS_INFORMATION_CLASS FsInformationClass);
01763 
01764 _Must_inspect_result_
01765 _IRQL_requires_max_(PASSIVE_LEVEL)
01766 NTSTATUS
01767 FLTAPI
01768 FltSetVolumeInformation(
01769     _In_ PFLT_INSTANCE Instance,
01770     _Out_ PIO_STATUS_BLOCK Iosb,
01771     _Out_writes_bytes_(Length) PVOID FsInformation,
01772     _In_ ULONG Length,
01773     _In_ FS_INFORMATION_CLASS FsInformationClass);
01774 
01775 _Must_inspect_result_
01776 _IRQL_requires_max_(APC_LEVEL)
01777 NTSTATUS
01778 FLTAPI
01779 FltEnumerateFilters(
01780     _Out_writes_to_opt_(FilterListSize,*NumberFiltersReturned) PFLT_FILTER *FilterList,
01781     _In_ ULONG FilterListSize,
01782     _Out_ PULONG NumberFiltersReturned);
01783 
01784 _Must_inspect_result_
01785 _IRQL_requires_max_(APC_LEVEL)
01786 NTSTATUS
01787 FLTAPI
01788 FltEnumerateVolumes(
01789     _In_ PFLT_FILTER Filter,
01790     _Out_writes_to_opt_(VolumeListSize,*NumberVolumesReturned) PFLT_VOLUME *VolumeList,
01791     _In_ ULONG VolumeListSize,
01792     _Out_ PULONG NumberVolumesReturned);
01793 
01794 _Must_inspect_result_
01795 _IRQL_requires_max_(APC_LEVEL)
01796 NTSTATUS
01797 FLTAPI
01798 FltEnumerateInstances(
01799     _In_opt_ PFLT_VOLUME Volume,
01800     _In_opt_ PFLT_FILTER Filter,
01801     _Out_writes_to_opt_(InstanceListSize,*NumberInstancesReturned) PFLT_INSTANCE *InstanceList,
01802     _In_ ULONG InstanceListSize,
01803     _Out_ PULONG NumberInstancesReturned);
01804 
01805 _Must_inspect_result_
01806 _IRQL_requires_max_(APC_LEVEL)
01807 NTSTATUS
01808 FLTAPI
01809 FltEnumerateFilterInformation(
01810     _In_ ULONG Index,
01811     _In_ FILTER_INFORMATION_CLASS InformationClass,
01812     _Out_writes_bytes_to_opt_(BufferSize,*BytesReturned) PVOID Buffer,
01813     _In_ ULONG BufferSize,
01814     _Out_ PULONG BytesReturned);
01815 
01816 _Must_inspect_result_
01817 _IRQL_requires_max_(APC_LEVEL)
01818 NTSTATUS
01819 FLTAPI
01820 FltEnumerateInstanceInformationByFilter(
01821     _In_ PFLT_FILTER Filter,
01822     _In_ ULONG Index,
01823     _In_ INSTANCE_INFORMATION_CLASS InformationClass,
01824     _Out_writes_bytes_to_opt_(BufferSize,*BytesReturned) PVOID Buffer,
01825     _In_ ULONG BufferSize,
01826     _Out_ PULONG BytesReturned);
01827 
01828 _Must_inspect_result_
01829 _IRQL_requires_max_(APC_LEVEL)
01830 NTSTATUS
01831 FLTAPI
01832 FltEnumerateInstanceInformationByVolume(
01833     _In_ PFLT_VOLUME Volume,
01834     _In_ ULONG Index,
01835     _In_ INSTANCE_INFORMATION_CLASS InformationClass,
01836     _Out_writes_bytes_to_opt_(BufferSize,*BytesReturned) PVOID Buffer,
01837     _In_ ULONG BufferSize,
01838     _Out_ PULONG BytesReturned);
01839 
01840 _Must_inspect_result_
01841 _IRQL_requires_max_(APC_LEVEL)
01842 NTSTATUS
01843 FLTAPI
01844 FltEnumerateVolumeInformation(
01845     _In_ PFLT_FILTER Filter,
01846     _In_ ULONG Index,
01847     _In_ FILTER_VOLUME_INFORMATION_CLASS InformationClass,
01848     _Out_writes_bytes_to_opt_(BufferSize,*BytesReturned) PVOID Buffer,
01849     _In_ ULONG BufferSize,
01850     _Out_ PULONG BytesReturned);
01851 
01852 _Must_inspect_result_
01853 _IRQL_requires_max_(DISPATCH_LEVEL)
01854 NTSTATUS
01855 FLTAPI
01856 FltObjectReference(
01857     _Inout_ PVOID FltObject);
01858 
01859 _IRQL_requires_max_(DISPATCH_LEVEL)
01860 VOID
01861 FLTAPI
01862 FltObjectDereference(
01863     _Inout_ PVOID FltObject);
01864 
01865 _Must_inspect_result_
01866 _IRQL_requires_max_(PASSIVE_LEVEL)
01867 NTSTATUS
01868 FLTAPI
01869 FltCreateCommunicationPort(
01870     _In_ PFLT_FILTER Filter,
01871     _Outptr_ PFLT_PORT *ServerPort,
01872     _In_ POBJECT_ATTRIBUTES ObjectAttributes,
01873     _In_opt_ PVOID ServerPortCookie,
01874     _In_ PFLT_CONNECT_NOTIFY ConnectNotifyCallback,
01875     _In_ PFLT_DISCONNECT_NOTIFY DisconnectNotifyCallback,
01876     _In_opt_ PFLT_MESSAGE_NOTIFY MessageNotifyCallback,
01877     _In_ LONG MaxConnections);
01878 
01879 _IRQL_requires_max_(PASSIVE_LEVEL)
01880 VOID
01881 FLTAPI
01882 FltCloseCommunicationPort(
01883     _In_ PFLT_PORT ServerPort);
01884 
01885 _IRQL_requires_max_(PASSIVE_LEVEL)
01886 VOID
01887 FLTAPI
01888 FltCloseClientPort(
01889     _In_ PFLT_FILTER Filter,
01890     _Outptr_ PFLT_PORT *ClientPort);
01891 
01892 _Must_inspect_result_
01893 _IRQL_requires_max_(APC_LEVEL)
01894 NTSTATUS
01895 FLTAPI
01896 FltSendMessage(
01897     _In_ PFLT_FILTER Filter,
01898     _In_ PFLT_PORT *ClientPort,
01899     _In_reads_bytes_(SenderBufferLength) PVOID SenderBuffer,
01900     _In_ ULONG SenderBufferLength,
01901     _Out_writes_bytes_opt_(*ReplyLength) PVOID ReplyBuffer,
01902     _Inout_opt_ PULONG ReplyLength,
01903     _In_opt_ PLARGE_INTEGER Timeout);
01904 
01905 _Must_inspect_result_
01906 _IRQL_requires_max_(APC_LEVEL)
01907 NTSTATUS
01908 FLTAPI
01909 FltBuildDefaultSecurityDescriptor(
01910     _Outptr_ PSECURITY_DESCRIPTOR *SecurityDescriptor,
01911     _In_ ACCESS_MASK DesiredAccess);
01912 
01913 _IRQL_requires_max_(APC_LEVEL)
01914 VOID
01915 FLTAPI
01916 FltFreeSecurityDescriptor(
01917     _In_ PSECURITY_DESCRIPTOR SecurityDescriptor);
01918 
01919 _Must_inspect_result_
01920 _IRQL_requires_max_(DISPATCH_LEVEL)
01921 BOOLEAN
01922 FLTAPI
01923 FltCancelIo(
01924     _In_ PFLT_CALLBACK_DATA CallbackData);
01925 
01926 _IRQL_requires_max_(DISPATCH_LEVEL)
01927 NTSTATUS
01928 FLTAPI
01929 FltSetCancelCompletion(
01930     _In_ PFLT_CALLBACK_DATA CallbackData,
01931     _In_ PFLT_COMPLETE_CANCELED_CALLBACK CanceledCallback);
01932 
01933 _Must_inspect_result_
01934 _IRQL_requires_max_(DISPATCH_LEVEL)
01935 NTSTATUS
01936 FLTAPI
01937 FltClearCancelCompletion(
01938     _In_ PFLT_CALLBACK_DATA CallbackData);
01939 
01940 BOOLEAN
01941 FLTAPI
01942 FltIsIoCanceled(
01943     _In_ PFLT_CALLBACK_DATA CallbackData);
01944 
01945 _Must_inspect_result_
01946 _IRQL_requires_max_(DISPATCH_LEVEL)
01947 PFLT_DEFERRED_IO_WORKITEM
01948 FLTAPI
01949 FltAllocateDeferredIoWorkItem(VOID);
01950 
01951 _IRQL_requires_max_(DISPATCH_LEVEL)
01952 VOID
01953 FLTAPI
01954 FltFreeDeferredIoWorkItem(
01955     _In_ PFLT_DEFERRED_IO_WORKITEM FltWorkItem);
01956 
01957 _Must_inspect_result_
01958 _IRQL_requires_max_(DISPATCH_LEVEL)
01959 PFLT_GENERIC_WORKITEM
01960 FLTAPI
01961 FltAllocateGenericWorkItem(VOID);
01962 
01963 _IRQL_requires_max_(DISPATCH_LEVEL)
01964 VOID
01965 FLTAPI
01966 FltFreeGenericWorkItem(
01967     _In_ PFLT_GENERIC_WORKITEM FltWorkItem);
01968 
01969 _Must_inspect_result_
01970 _IRQL_requires_max_(DISPATCH_LEVEL)
01971 NTSTATUS
01972 FLTAPI
01973 FltQueueDeferredIoWorkItem(
01974     _In_ PFLT_DEFERRED_IO_WORKITEM FltWorkItem,
01975     _In_ PFLT_CALLBACK_DATA Data,
01976     _In_ PFLT_DEFERRED_IO_WORKITEM_ROUTINE WorkerRoutine,
01977     _In_ WORK_QUEUE_TYPE QueueType,
01978     _In_ PVOID Context);
01979 
01980 _Must_inspect_result_
01981 _IRQL_requires_max_(DISPATCH_LEVEL)
01982 NTSTATUS
01983 FLTAPI
01984 FltQueueGenericWorkItem(
01985     _In_ PFLT_GENERIC_WORKITEM FltWorkItem,
01986     _In_ PVOID FltObject,
01987     _In_ PFLT_GENERIC_WORKITEM_ROUTINE WorkerRoutine,
01988     _In_ WORK_QUEUE_TYPE QueueType,
01989     _In_opt_ PVOID Context);
01990 
01991 _Must_inspect_result_
01992 _IRQL_requires_max_(APC_LEVEL)
01993 NTSTATUS
01994 FLTAPI
01995 FltLockUserBuffer(
01996     _In_ PFLT_CALLBACK_DATA CallbackData);
01997 
01998 NTSTATUS
01999 FLTAPI
02000 FltDecodeParameters(
02001     _In_ PFLT_CALLBACK_DATA CallbackData,
02002     _Outptr_opt_ PMDL **MdlAddressPointer,
02003     _Outptr_opt_result_bytebuffer_(**Length) PVOID **Buffer,
02004     _Outptr_opt_ PULONG *Length,
02005     _Out_opt_ LOCK_OPERATION *DesiredAccess);
02006 
02007 PMDL
02008 FASTCALL
02009 FltGetSwappedBufferMdlAddress(
02010     _In_ PFLT_CALLBACK_DATA CallbackData);
02011 
02012 VOID
02013 FASTCALL
02014 FltRetainSwappedBufferMdlAddress(
02015     _In_ PFLT_CALLBACK_DATA CallbackData);
02016 
02017 NTSTATUS
02018 FLTAPI
02019 FltCbdqInitialize(
02020     _In_ PFLT_INSTANCE Instance,
02021     _Inout_ PFLT_CALLBACK_DATA_QUEUE Cbdq,
02022     _In_ PFLT_CALLBACK_DATA_QUEUE_INSERT_IO CbdqInsertIo,
02023     _In_ PFLT_CALLBACK_DATA_QUEUE_REMOVE_IO CbdqRemoveIo,
02024     _In_ PFLT_CALLBACK_DATA_QUEUE_PEEK_NEXT_IO CbdqPeekNextIo,
02025     _In_ PFLT_CALLBACK_DATA_QUEUE_ACQUIRE CbdqAcquire,
02026     _In_ PFLT_CALLBACK_DATA_QUEUE_RELEASE CbdqRelease,
02027     _In_ PFLT_CALLBACK_DATA_QUEUE_COMPLETE_CANCELED_IO CbdqCompleteCanceledIo);
02028 
02029 VOID
02030 FLTAPI
02031 FltCbdqEnable(
02032     _Inout_ PFLT_CALLBACK_DATA_QUEUE Cbdq);
02033 
02034 VOID
02035 FLTAPI
02036 FltCbdqDisable(
02037     _Inout_ PFLT_CALLBACK_DATA_QUEUE Cbdq);
02038 
02039 _Must_inspect_result_
02040 NTSTATUS
02041 FLTAPI
02042 FltCbdqInsertIo(
02043     _Inout_ PFLT_CALLBACK_DATA_QUEUE Cbdq,
02044     _In_ PFLT_CALLBACK_DATA Cbd,
02045     _In_opt_ PFLT_CALLBACK_DATA_QUEUE_IO_CONTEXT Context,
02046     _In_opt_ PVOID InsertContext);
02047 
02048 _Must_inspect_result_
02049 PFLT_CALLBACK_DATA
02050 FLTAPI
02051 FltCbdqRemoveIo(
02052     _Inout_ PFLT_CALLBACK_DATA_QUEUE Cbdq,
02053     _In_ PFLT_CALLBACK_DATA_QUEUE_IO_CONTEXT Context);
02054 
02055 _Must_inspect_result_
02056 PFLT_CALLBACK_DATA
02057 FLTAPI
02058 FltCbdqRemoveNextIo(
02059     _Inout_ PFLT_CALLBACK_DATA_QUEUE Cbdq,
02060     _In_opt_ PVOID PeekContext);
02061 
02062 _IRQL_requires_max_(APC_LEVEL)
02063 VOID
02064 FLTAPI
02065 FltInitializeOplock(
02066     _Out_ POPLOCK Oplock);
02067 
02068 _IRQL_requires_max_(APC_LEVEL)
02069 VOID
02070 FLTAPI
02071 FltUninitializeOplock(
02072     _In_ POPLOCK Oplock);
02073 
02074 _Must_inspect_result_
02075 _IRQL_requires_max_(APC_LEVEL)
02076 FLT_PREOP_CALLBACK_STATUS
02077 FLTAPI
02078 FltOplockFsctrl(
02079     _In_ POPLOCK Oplock,
02080     _In_ PFLT_CALLBACK_DATA CallbackData,
02081     _In_ ULONG OpenCount);
02082 
02083 _Must_inspect_result_
02084 _IRQL_requires_max_(APC_LEVEL)
02085 FLT_PREOP_CALLBACK_STATUS
02086 FLTAPI
02087 FltCheckOplock(
02088     _In_ POPLOCK Oplock,
02089     _In_ PFLT_CALLBACK_DATA CallbackData,
02090     _In_opt_ PVOID Context,
02091     _In_opt_ PFLTOPLOCK_WAIT_COMPLETE_ROUTINE WaitCompletionRoutine,
02092     _In_opt_ PFLTOPLOCK_PREPOST_CALLBACKDATA_ROUTINE PrePostCallbackDataRoutine);
02093 
02094 _IRQL_requires_max_(APC_LEVEL)
02095 BOOLEAN
02096 FLTAPI
02097 FltOplockIsFastIoPossible(
02098     _In_ POPLOCK Oplock);
02099 
02100 _IRQL_requires_max_(APC_LEVEL)
02101 BOOLEAN
02102 FLTAPI
02103 FltCurrentBatchOplock(
02104     _In_ POPLOCK Oplock);
02105 
02106 VOID
02107 FLTAPI
02108 FltInitializeFileLock(
02109     _Out_ PFILE_LOCK FileLock);
02110 
02111 VOID
02112 FLTAPI
02113 FltUninitializeFileLock(
02114     _In_ PFILE_LOCK FileLock);
02115 
02116 _Must_inspect_result_
02117 _IRQL_requires_max_(APC_LEVEL)
02118 PFILE_LOCK
02119 FLTAPI
02120 FltAllocateFileLock(
02121     _In_opt_ PFLT_COMPLETE_LOCK_CALLBACK_DATA_ROUTINE CompleteLockCallbackDataRoutine,
02122     _In_opt_ PUNLOCK_ROUTINE UnlockRoutine);
02123 
02124 _IRQL_requires_max_(APC_LEVEL)
02125 VOID
02126 FLTAPI
02127 FltFreeFileLock(
02128     _In_ PFILE_LOCK FileLock);
02129 
02130 _Must_inspect_result_
02131 _IRQL_requires_max_(APC_LEVEL)
02132 FLT_PREOP_CALLBACK_STATUS
02133 FLTAPI
02134 FltProcessFileLock(
02135     _In_ PFILE_LOCK FileLock,
02136     _In_ PFLT_CALLBACK_DATA CallbackData,
02137     _In_opt_ PVOID Context);
02138 
02139 _Must_inspect_result_
02140 _IRQL_requires_max_(APC_LEVEL)
02141 BOOLEAN
02142 FLTAPI
02143 FltCheckLockForReadAccess(
02144     _In_ PFILE_LOCK FileLock,
02145     _In_ PFLT_CALLBACK_DATA CallbackData);
02146 
02147 _Must_inspect_result_
02148 _IRQL_requires_max_(APC_LEVEL)
02149 BOOLEAN
02150 FLTAPI
02151 FltCheckLockForWriteAccess(
02152     _In_ PFILE_LOCK FileLock,
02153     _In_ PFLT_CALLBACK_DATA CallbackData);
02154 
02155 _Acquires_lock_(_Global_critical_region_)
02156 _IRQL_requires_max_(APC_LEVEL)
02157 VOID
02158 FLTAPI
02159 FltAcquireResourceExclusive(
02160     _Inout_ _Requires_lock_not_held_(*_Curr_) _Acquires_lock_(*_Curr_) PERESOURCE Resource);
02161 
02162 _Acquires_lock_(_Global_critical_region_)
02163 _IRQL_requires_max_(APC_LEVEL)
02164 VOID
02165 FLTAPI
02166 FltAcquireResourceShared(
02167     _Inout_ _Requires_lock_not_held_(*_Curr_) _Acquires_lock_(*_Curr_) PERESOURCE Resource);
02168 
02169 _Releases_lock_(_Global_critical_region_)
02170 _IRQL_requires_max_(DISPATCH_LEVEL)
02171 VOID
02172 FLTAPI
02173 FltReleaseResource(
02174     _Inout_ _Requires_lock_held_(*_Curr_) _Releases_lock_(*_Curr_) PERESOURCE Resource);
02175 
02176 _IRQL_requires_max_(APC_LEVEL)
02177 VOID
02178 FLTAPI
02179 FltInitializePushLock(
02180     _Out_ PEX_PUSH_LOCK PushLock);
02181 
02182 _IRQL_requires_max_(APC_LEVEL)
02183 VOID
02184 FLTAPI
02185 FltDeletePushLock(
02186     _In_ PEX_PUSH_LOCK PushLock);
02187 
02188 _Acquires_lock_(_Global_critical_region_)
02189 _IRQL_requires_max_(APC_LEVEL)
02190 VOID
02191 FLTAPI
02192 FltAcquirePushLockExclusive(
02193     _Inout_ _Requires_lock_not_held_(*_Curr_) _Acquires_lock_(*_Curr_) PEX_PUSH_LOCK PushLock);
02194 
02195 _Acquires_lock_(_Global_critical_region_)
02196 _IRQL_requires_max_(APC_LEVEL)
02197 VOID
02198 FLTAPI
02199 FltAcquirePushLockShared(
02200     _Inout_ _Requires_lock_not_held_(*_Curr_) _Acquires_lock_(*_Curr_) PEX_PUSH_LOCK PushLock);
02201 
02202 _Releases_lock_(_Global_critical_region_)
02203 _IRQL_requires_max_(APC_LEVEL)
02204 VOID
02205 FLTAPI
02206 FltReleasePushLock(
02207     _Inout_ _Requires_lock_held_(*_Curr_) _Releases_lock_(*_Curr_) PEX_PUSH_LOCK PushLock);
02208 
02209 BOOLEAN
02210 FLTAPI
02211 FltIsOperationSynchronous(
02212     _In_ PFLT_CALLBACK_DATA CallbackData);
02213 
02214 _IRQL_requires_max_(DISPATCH_LEVEL)
02215 BOOLEAN
02216 FLTAPI
02217 FltIs32bitProcess(
02218     _In_opt_ PFLT_CALLBACK_DATA CallbackData);
02219 
02220 _IRQL_requires_max_(DISPATCH_LEVEL)
02221 PEPROCESS
02222 FLTAPI
02223 FltGetRequestorProcess(
02224     _In_ PFLT_CALLBACK_DATA CallbackData);
02225 
02226 _IRQL_requires_max_(DISPATCH_LEVEL)
02227 ULONG
02228 FLTAPI
02229 FltGetRequestorProcessId(
02230     _In_ PFLT_CALLBACK_DATA CallbackData);
02231 
02232 _IRQL_requires_max_(APC_LEVEL)
02233 VOID
02234 FLTAPI
02235 FltNotifyFilterChangeDirectory(
02236     _Inout_ PNOTIFY_SYNC NotifySync,
02237     _Inout_ PLIST_ENTRY NotifyList,
02238     _In_ PVOID FsContext,
02239     _In_ PSTRING FullDirectoryName,
02240     _In_ BOOLEAN WatchTree,
02241     _In_ BOOLEAN IgnoreBuffer,
02242     _In_ ULONG CompletionFilter,
02243     _In_ PFLT_CALLBACK_DATA NotifyCallbackData,
02244     _In_opt_ PCHECK_FOR_TRAVERSE_ACCESS TraverseCallback,
02245     _In_opt_ PSECURITY_SUBJECT_CONTEXT SubjectContext,
02246     _In_opt_ PFILTER_REPORT_CHANGE FilterCallback);
02247 
02248 PCHAR
02249 FLTAPI
02250 FltGetIrpName(
02251     _In_ UCHAR IrpMajorCode);
02252 
02253 #if FLT_MGR_AFTER_XPSP2
02254 
02255 _Must_inspect_result_
02256 _IRQL_requires_max_(PASSIVE_LEVEL)
02257 NTSTATUS
02258 FLTAPI
02259 FltCreateFileEx(
02260     _In_ PFLT_FILTER Filter,
02261     _In_opt_ PFLT_INSTANCE Instance,
02262     _Out_ PHANDLE FileHandle,
02263     _Outptr_opt_ PFILE_OBJECT *FileObject,
02264     _In_ ACCESS_MASK DesiredAccess,
02265     _In_ POBJECT_ATTRIBUTES ObjectAttributes,
02266     _Out_ PIO_STATUS_BLOCK IoStatusBlock,
02267     _In_opt_ PLARGE_INTEGER AllocationSize,
02268     _In_ ULONG FileAttributes,
02269     _In_ ULONG ShareAccess,
02270     _In_ ULONG CreateDisposition,
02271     _In_ ULONG CreateOptions,
02272     _In_reads_bytes_opt_(EaLength) PVOID EaBuffer,
02273     _In_ ULONG EaLength,
02274     _In_ ULONG Flags);
02275 
02276 _Must_inspect_result_
02277 _IRQL_requires_max_(PASSIVE_LEVEL)
02278 NTSTATUS
02279 FLTAPI
02280 FltOpenVolume(
02281     _In_ PFLT_INSTANCE Instance,
02282     _Out_ PHANDLE VolumeHandle,
02283     _Outptr_opt_ PFILE_OBJECT *VolumeFileObject);
02284 
02285 _Must_inspect_result_
02286 _IRQL_requires_max_(PASSIVE_LEVEL)
02287 NTSTATUS
02288 FLTAPI
02289 FltQueryEaFile(
02290     _In_ PFLT_INSTANCE Instance,
02291     _In_ PFILE_OBJECT FileObject,
02292     _Out_writes_bytes_to_(Length,*LengthReturned) PVOID ReturnedEaData,
02293     _In_ ULONG Length,
02294     _In_ BOOLEAN ReturnSingleEntry,
02295     _In_reads_bytes_opt_(EaListLength) PVOID EaList,
02296     _In_ ULONG EaListLength,
02297     _In_opt_ PULONG EaIndex,
02298     _In_ BOOLEAN RestartScan,
02299     _Out_opt_ PULONG LengthReturned);
02300 
02301 _Must_inspect_result_
02302 _IRQL_requires_max_(PASSIVE_LEVEL)
02303 NTSTATUS
02304 FLTAPI
02305 FltSetEaFile(
02306     _In_ PFLT_INSTANCE Instance,
02307     _In_ PFILE_OBJECT FileObject,
02308     _In_reads_bytes_(Length) PVOID EaBuffer,
02309     _In_ ULONG Length);
02310 
02311 #endif /* FLT_MGR_AFTER_XPSP2 */
02312 
02313 #if FLT_MGR_LONGHORN
02314 
02315 _Must_inspect_result_
02316 _IRQL_requires_max_(PASSIVE_LEVEL)
02317 NTSTATUS
02318 FLTAPI
02319 FltCreateFileEx2(
02320     _In_ PFLT_FILTER Filter,
02321     _In_opt_ PFLT_INSTANCE Instance,
02322     _Out_ PHANDLE FileHandle,
02323     _Outptr_opt_ PFILE_OBJECT *FileObject,
02324     _In_ ACCESS_MASK DesiredAccess,
02325     _In_ POBJECT_ATTRIBUTES ObjectAttributes,
02326     _Out_ PIO_STATUS_BLOCK IoStatusBlock,
02327     _In_opt_ PLARGE_INTEGER AllocationSize,
02328     _In_ ULONG FileAttributes,
02329     _In_ ULONG ShareAccess,
02330     _In_ ULONG CreateDisposition,
02331     _In_ ULONG CreateOptions,
02332     _In_reads_bytes_opt_(EaLength) PVOID EaBuffer,
02333     _In_ ULONG EaLength,
02334     _In_ ULONG Flags,
02335     _In_opt_ PIO_DRIVER_CREATE_CONTEXT DriverContext);
02336 
02337 _Must_inspect_result_
02338 _IRQL_requires_max_(PASSIVE_LEVEL)
02339 NTSTATUS
02340 FLTAPI
02341 FltQueryDirectoryFile(
02342     _In_ PFLT_INSTANCE Instance,
02343     _In_ PFILE_OBJECT FileObject,
02344     _Out_writes_bytes_(Length) PVOID FileInformation,
02345     _In_ ULONG Length,
02346     _In_ FILE_INFORMATION_CLASS FileInformationClass,
02347     _In_ BOOLEAN ReturnSingleEntry,
02348     _In_opt_ PUNICODE_STRING FileName,
02349     _In_ BOOLEAN RestartScan,
02350     _Out_opt_ PULONG LengthReturned);
02351 
02352 _IRQL_requires_max_(APC_LEVEL)
02353 BOOLEAN
02354 FLTAPI
02355 FltSupportsFileContextsEx(
02356     _In_ PFILE_OBJECT FileObject,
02357     _In_opt_ PFLT_INSTANCE Instance);
02358 
02359 _IRQL_requires_max_(APC_LEVEL)
02360 NTSTATUS
02361 FLTAPI
02362 FltSetTransactionContext(
02363     _In_ PFLT_INSTANCE Instance,
02364     _In_ PKTRANSACTION Transaction,
02365     _In_ FLT_SET_CONTEXT_OPERATION Operation,
02366     _In_ PFLT_CONTEXT NewContext,
02367     _Outptr_opt_ PFLT_CONTEXT *OldContext);
02368 
02369 _IRQL_requires_max_(APC_LEVEL)
02370 NTSTATUS
02371 FLTAPI
02372 FltDeleteTransactionContext(
02373     _In_ PFLT_INSTANCE Instance,
02374     _In_ PKTRANSACTION Transaction,
02375     _Outptr_opt_ PFLT_CONTEXT *OldContext);
02376 
02377 _IRQL_requires_max_(APC_LEVEL)
02378 NTSTATUS
02379 FLTAPI
02380 FltGetTransactionContext(
02381     _In_ PFLT_INSTANCE Instance,
02382     _In_ PKTRANSACTION Transaction,
02383     _Outptr_ PFLT_CONTEXT *Context);
02384 
02385 _IRQL_requires_max_(APC_LEVEL)
02386 BOOLEAN
02387 FLTAPI
02388 FltIsFltMgrVolumeDeviceObject(
02389     _In_ PDEVICE_OBJECT DeviceObject);
02390 
02391 _IRQL_requires_max_(APC_LEVEL)
02392 NTSTATUS
02393 FLTAPI
02394 FltGetVolumeInformation(
02395     _In_ PFLT_VOLUME Volume,
02396     _In_ FILTER_VOLUME_INFORMATION_CLASS InformationClass,
02397     _Out_writes_bytes_to_opt_(BufferSize,*BytesReturned) PVOID Buffer,
02398     _In_ ULONG BufferSize,
02399     _Out_ PULONG BytesReturned);
02400 
02401 _IRQL_requires_max_(APC_LEVEL)
02402 NTSTATUS
02403 FLTAPI
02404 FltGetFileSystemType(
02405     _In_ PVOID FltObject,
02406     _Out_ PFLT_FILESYSTEM_TYPE FileSystemType);
02407 
02408 _Must_inspect_result_
02409 _IRQL_requires_max_(PASSIVE_LEVEL)
02410 NTSTATUS
02411 FLTAPI
02412 FltIsVolumeSnapshot(
02413     _In_ PVOID FltObject,
02414     _Out_ PBOOLEAN IsSnapshotVolume);
02415 
02416 _Must_inspect_result_
02417 _When_(((CallbackData!=NULL) && FLT_IS_IRP_OPERATION(CallbackData)), _IRQL_requires_max_(PASSIVE_LEVEL))
02418 _When_((!((CallbackData!=NULL) && FLT_IS_IRP_OPERATION(CallbackData))), _IRQL_requires_max_(APC_LEVEL))
02419 NTSTATUS
02420 FLTAPI
02421 FltCancellableWaitForSingleObject(
02422     _In_ PVOID Object,
02423     _In_opt_ PLARGE_INTEGER Timeout,
02424     _In_opt_ PFLT_CALLBACK_DATA CallbackData);
02425 
02426 _Must_inspect_result_
02427 _When_(((CallbackData!=NULL) && FLT_IS_IRP_OPERATION(CallbackData)), _IRQL_requires_max_(PASSIVE_LEVEL))
02428 _When_((!((CallbackData!=NULL) && FLT_IS_IRP_OPERATION(CallbackData))), _IRQL_requires_max_(APC_LEVEL))
02429 NTSTATUS
02430 FLTAPI
02431 FltCancellableWaitForMultipleObjects(
02432     _In_ ULONG Count,
02433     _In_reads_(Count) PVOID ObjectArray[],
02434     _In_ WAIT_TYPE WaitType,
02435     _In_opt_ PLARGE_INTEGER Timeout,
02436     _In_opt_ PKWAIT_BLOCK WaitBlockArray,
02437     _In_ PFLT_CALLBACK_DATA CallbackData);
02438 
02439 _IRQL_requires_max_(DISPATCH_LEVEL)
02440 HANDLE
02441 FLTAPI
02442 FltGetRequestorProcessIdEx(
02443     _In_ PFLT_CALLBACK_DATA CallbackData);
02444 
02445 _Must_inspect_result_
02446 _IRQL_requires_max_(APC_LEVEL)
02447 NTSTATUS
02448 FLTAPI
02449 FltEnlistInTransaction(
02450     _In_ PFLT_INSTANCE Instance,
02451     _In_ PKTRANSACTION Transaction,
02452     _In_ PFLT_CONTEXT TransactionContext,
02453     _In_ NOTIFICATION_MASK NotificationMask);
02454 
02455 _IRQL_requires_max_(APC_LEVEL)
02456 NTSTATUS
02457 FLTAPI
02458 FltRollbackEnlistment(
02459     _In_ PFLT_INSTANCE Instance,
02460     _In_ PKTRANSACTION Transaction,
02461     _In_opt_ PFLT_CONTEXT TransactionContext);
02462 
02463 _IRQL_requires_max_(APC_LEVEL)
02464 NTSTATUS
02465 FLTAPI
02466 FltPrePrepareComplete(
02467     _In_ PFLT_INSTANCE Instance,
02468     _In_ PKTRANSACTION Transaction,
02469     _In_opt_ PFLT_CONTEXT TransactionContext);
02470 
02471 _IRQL_requires_max_(APC_LEVEL)
02472 NTSTATUS
02473 FLTAPI
02474 FltPrepareComplete(
02475     _In_ PFLT_INSTANCE Instance,
02476     _In_ PKTRANSACTION Transaction,
02477     _In_opt_ PFLT_CONTEXT TransactionContext);
02478 
02479 _IRQL_requires_max_(PASSIVE_LEVEL)
02480 NTSTATUS
02481 FLTAPI
02482 FltCommitComplete(
02483     _In_ PFLT_INSTANCE Instance,
02484     _In_ PKTRANSACTION Transaction,
02485     _In_opt_ PFLT_CONTEXT TransactionContext);
02486 
02487 _IRQL_requires_max_(APC_LEVEL)
02488 NTSTATUS
02489 FLTAPI
02490 FltCommitFinalizeComplete(
02491     _In_ PFLT_INSTANCE Instance,
02492     _In_ PKTRANSACTION Transaction,
02493     _In_opt_ PFLT_CONTEXT TransactionContext);
02494 
02495 _IRQL_requires_max_(PASSIVE_LEVEL)
02496 NTSTATUS
02497 FLTAPI
02498 FltRollbackComplete(
02499     _In_ PFLT_INSTANCE Instance,
02500     _In_ PKTRANSACTION Transaction,
02501     _In_opt_ PFLT_CONTEXT TransactionContext);
02502 
02503 _Must_inspect_result_
02504 _IRQL_requires_max_(APC_LEVEL)
02505 NTSTATUS
02506 FLTAPI
02507 FltAllocateExtraCreateParameterList(
02508     _In_ PFLT_FILTER Filter,
02509     _In_ FSRTL_ALLOCATE_ECPLIST_FLAGS Flags,
02510     _Outptr_ PECP_LIST *EcpList);
02511 
02512 _Must_inspect_result_
02513 _IRQL_requires_max_(APC_LEVEL)
02514 NTSTATUS
02515 FLTAPI
02516 FltAllocateExtraCreateParameter(
02517     _In_ PFLT_FILTER Filter,
02518     _In_ LPCGUID EcpType,
02519      ULONG SizeOfContext,
02520     _In_ FSRTL_ALLOCATE_ECP_FLAGS Flags,
02521     _In_opt_ PFSRTL_EXTRA_CREATE_PARAMETER_CLEANUP_CALLBACK CleanupCallback,
02522     _In_ ULONG PoolTag,
02523     _Outptr_ PVOID *EcpContext);
02524 
02525 _IRQL_requires_max_(APC_LEVEL)
02526 VOID
02527 FLTAPI
02528 FltInitExtraCreateParameterLookasideList(
02529     _In_ PFLT_FILTER Filter,
02530     _Inout_ PVOID Lookaside,
02531     _In_ FSRTL_ECP_LOOKASIDE_FLAGS Flags,
02532     _In_ SIZE_T Size,
02533     _In_ ULONG Tag);
02534 
02535 _IRQL_requires_max_(APC_LEVEL)
02536 VOID
02537 FLTAPI
02538 FltDeleteExtraCreateParameterLookasideList(
02539     _In_ PFLT_FILTER Filter,
02540     _Inout_ PVOID Lookaside,
02541     _In_ FSRTL_ECP_LOOKASIDE_FLAGS Flags);
02542 
02543 _Must_inspect_result_
02544 _IRQL_requires_max_(APC_LEVEL)
02545 NTSTATUS
02546 FLTAPI
02547 FltAllocateExtraCreateParameterFromLookasideList(
02548     _In_ PFLT_FILTER Filter,
02549     _In_ LPCGUID EcpType,
02550     _In_ ULONG SizeOfContext,
02551     _In_ FSRTL_ALLOCATE_ECP_FLAGS Flags,
02552     _In_opt_ PFSRTL_EXTRA_CREATE_PARAMETER_CLEANUP_CALLBACK CleanupCallback,
02553     _Inout_ PVOID LookasideList,
02554     _Outptr_ PVOID *EcpContext);
02555 
02556 _IRQL_requires_max_(APC_LEVEL)
02557 NTSTATUS
02558 FLTAPI
02559 FltInsertExtraCreateParameter(
02560     _In_ PFLT_FILTER Filter,
02561     _Inout_ PECP_LIST EcpList,
02562     _Inout_ PVOID EcpContext);
02563 
02564 _IRQL_requires_max_(APC_LEVEL)
02565 NTSTATUS
02566 FLTAPI
02567 FltFindExtraCreateParameter(
02568     _In_ PFLT_FILTER Filter,
02569     _In_ PECP_LIST EcpList,
02570     _In_ LPCGUID EcpType,
02571     _Outptr_opt_ PVOID *EcpContext,
02572     _Out_opt_ ULONG *EcpContextSize);
02573 
02574 _IRQL_requires_max_(APC_LEVEL)
02575 NTSTATUS
02576 FLTAPI
02577 FltRemoveExtraCreateParameter(
02578     _In_ PFLT_FILTER Filter,
02579     _Inout_ PECP_LIST EcpList,
02580     _In_ LPCGUID EcpType,
02581     _Outptr_ PVOID *EcpContext,
02582     _Out_opt_ ULONG *EcpContextSize);
02583 
02584 _IRQL_requires_max_(APC_LEVEL)
02585 VOID
02586 FLTAPI
02587 FltFreeExtraCreateParameterList(
02588     _In_ PFLT_FILTER Filter,
02589     _In_ PECP_LIST EcpList);
02590 
02591 _IRQL_requires_max_(APC_LEVEL)
02592 VOID
02593 FLTAPI
02594 FltFreeExtraCreateParameter(
02595     _In_ PFLT_FILTER Filter,
02596     _In_ PVOID EcpContext);
02597 
02598 _IRQL_requires_max_(APC_LEVEL)
02599 NTSTATUS
02600 FLTAPI
02601 FltGetEcpListFromCallbackData(
02602     _In_ PFLT_FILTER Filter,
02603     _In_ PFLT_CALLBACK_DATA CallbackData,
02604     _Outptr_result_maybenull_ PECP_LIST *EcpList);
02605 
02606 _IRQL_requires_max_(APC_LEVEL)
02607 NTSTATUS
02608 FLTAPI
02609 FltSetEcpListIntoCallbackData(
02610     _In_ PFLT_FILTER Filter,
02611     _In_ PFLT_CALLBACK_DATA CallbackData,
02612     _In_ PECP_LIST EcpList);
02613 
02614 _IRQL_requires_max_(APC_LEVEL)
02615 NTSTATUS
02616 FLTAPI
02617 FltGetNextExtraCreateParameter(
02618     _In_ PFLT_FILTER Filter,
02619     _In_ PECP_LIST EcpList,
02620     _In_opt_ PVOID CurrentEcpContext,
02621     _Out_opt_ LPGUID NextEcpType,
02622     _Outptr_opt_ PVOID *NextEcpContext,
02623     _Out_opt_ ULONG *NextEcpContextSize);
02624 
02625 _IRQL_requires_max_(APC_LEVEL)
02626 VOID
02627 FLTAPI
02628 FltAcknowledgeEcp(
02629     _In_ PFLT_FILTER Filter,
02630     _In_ PVOID EcpContext);
02631 
02632 _IRQL_requires_max_(APC_LEVEL)
02633 BOOLEAN
02634 FLTAPI
02635 FltIsEcpAcknowledged(
02636     _In_ PFLT_FILTER Filter,
02637     _In_ PVOID EcpContext);
02638 
02639 _IRQL_requires_max_(APC_LEVEL)
02640 BOOLEAN
02641 FLTAPI
02642 FltIsEcpFromUserMode(
02643     _In_ PFLT_FILTER Filter,
02644     _In_ PVOID EcpContext);
02645 
02646 _IRQL_requires_max_(DISPATCH_LEVEL)
02647 NTSTATUS
02648 FLTAPI
02649 FltRetrieveIoPriorityInfo(
02650     _In_opt_ PFLT_CALLBACK_DATA Data,
02651     _In_opt_ PFILE_OBJECT FileObject,
02652     _In_opt_ PETHREAD Thread,
02653     _Inout_ PIO_PRIORITY_INFO PriorityInfo);
02654 
02655 _IRQL_requires_max_(DISPATCH_LEVEL)
02656 NTSTATUS
02657 FLTAPI
02658 FltApplyPriorityInfoThread(
02659     _In_ PIO_PRIORITY_INFO InputPriorityInfo,
02660     _Out_opt_ PIO_PRIORITY_INFO OutputPriorityInfo,
02661     _In_ PETHREAD Thread);
02662 
02663 _IRQL_requires_max_(DISPATCH_LEVEL)
02664 IO_PRIORITY_HINT
02665 FLTAPI
02666 FltGetIoPriorityHint(
02667     _In_ PFLT_CALLBACK_DATA Data);
02668 
02669 _IRQL_requires_max_(DISPATCH_LEVEL)
02670 IO_PRIORITY_HINT
02671 FLTAPI
02672 FltGetIoPriorityHintFromCallbackData(
02673     _In_ PFLT_CALLBACK_DATA Data);
02674 
02675 _IRQL_requires_max_(DISPATCH_LEVEL)
02676 NTSTATUS
02677 FLTAPI
02678 FltSetIoPriorityHintIntoCallbackData(
02679     _In_ PFLT_CALLBACK_DATA Data,
02680     _In_ IO_PRIORITY_HINT PriorityHint);
02681 
02682 _IRQL_requires_max_(DISPATCH_LEVEL)
02683 IO_PRIORITY_HINT
02684 FLTAPI
02685 FltGetIoPriorityHintFromFileObject(
02686     _In_ PFILE_OBJECT FileObject);
02687 
02688 _Must_inspect_result_
02689 _IRQL_requires_max_(DISPATCH_LEVEL)
02690 NTSTATUS
02691 FLTAPI
02692 FltSetIoPriorityHintIntoFileObject(
02693     _In_ PFILE_OBJECT FileObject,
02694     _In_ IO_PRIORITY_HINT PriorityHint);
02695 
02696 _IRQL_requires_max_(DISPATCH_LEVEL)
02697 IO_PRIORITY_HINT
02698 FLTAPI
02699 FltGetIoPriorityHintFromThread(
02700     _In_ PETHREAD Thread);
02701 
02702 _IRQL_requires_max_(DISPATCH_LEVEL)
02703 NTSTATUS
02704 FLTAPI
02705 FltSetIoPriorityHintIntoThread(
02706     _In_ PETHREAD Thread,
02707     _In_ IO_PRIORITY_HINT PriorityHint);
02708 
02709 #endif /* FLT_MGR_LONGHORN */
02710 
02711 #if FLT_MGR_WIN7
02712 
02713 _Must_inspect_result_
02714 _IRQL_requires_max_(APC_LEVEL)
02715 NTSTATUS
02716 FLTAPI
02717 FltAllocateCallbackDataEx(
02718     _In_ PFLT_INSTANCE Instance,
02719     _In_opt_ PFILE_OBJECT FileObject,
02720     _In_ FLT_ALLOCATE_CALLBACK_DATA_FLAGS Flags,
02721     _Outptr_ PFLT_CALLBACK_DATA *RetNewCallbackData);
02722 
02723 _Must_inspect_result_
02724 _IRQL_requires_max_(DPC_LEVEL)
02725 PVOID
02726 FLTAPI
02727 FltGetNewSystemBufferAddress(
02728     _In_ PFLT_CALLBACK_DATA CallbackData);
02729 
02730 _Must_inspect_result_
02731 _IRQL_requires_max_(APC_LEVEL)
02732 FLT_PREOP_CALLBACK_STATUS
02733 FLTAPI
02734 FltCheckOplockEx(
02735     _In_ POPLOCK Oplock,
02736     _In_ PFLT_CALLBACK_DATA CallbackData,
02737     _In_ ULONG Flags,
02738     _In_opt_ PVOID Context,
02739     _In_opt_ PFLTOPLOCK_WAIT_COMPLETE_ROUTINE WaitCompletionRoutine,
02740     _In_opt_ PFLTOPLOCK_PREPOST_CALLBACKDATA_ROUTINE PrePostCallbackDataRoutine);
02741 
02742 _IRQL_requires_max_(APC_LEVEL)
02743 BOOLEAN
02744 FLTAPI
02745 FltCurrentOplock(
02746     _In_ POPLOCK Oplock);
02747 
02748 _IRQL_requires_max_(APC_LEVEL)
02749 BOOLEAN
02750 FLTAPI
02751 FltCurrentOplockH(
02752     _In_ POPLOCK Oplock);
02753 
02754 _IRQL_requires_max_(APC_LEVEL)
02755 FLT_PREOP_CALLBACK_STATUS
02756 FLTAPI
02757 FltOplockBreakH(
02758     _In_ POPLOCK Oplock,
02759     _In_ PFLT_CALLBACK_DATA CallbackData,
02760     _In_ ULONG Flags,
02761     _In_opt_ PVOID Context,
02762     _In_opt_ PFLTOPLOCK_WAIT_COMPLETE_ROUTINE WaitCompletionRoutine,
02763     _In_opt_ PFLTOPLOCK_PREPOST_CALLBACKDATA_ROUTINE PrePostCallbackDataRoutine);
02764 
02765 _IRQL_requires_max_(APC_LEVEL)
02766 FLT_PREOP_CALLBACK_STATUS
02767 FLTAPI
02768 FltOplockBreakToNone(
02769     _In_ POPLOCK Oplock,
02770     _In_ PFLT_CALLBACK_DATA CallbackData,
02771     _In_opt_ PVOID Context,
02772     _In_opt_ PFLTOPLOCK_WAIT_COMPLETE_ROUTINE WaitCompletionRoutine,
02773     _In_opt_ PFLTOPLOCK_PREPOST_CALLBACKDATA_ROUTINE PrePostCallbackDataRoutine);
02774 
02775 _IRQL_requires_max_(APC_LEVEL)
02776 FLT_PREOP_CALLBACK_STATUS
02777 FLTAPI
02778 FltOplockBreakToNoneEx(
02779     _In_ POPLOCK Oplock,
02780     _In_ PFLT_CALLBACK_DATA CallbackData,
02781     _In_ ULONG Flags,
02782     _In_opt_ PVOID Context,
02783     _In_opt_ PFLTOPLOCK_WAIT_COMPLETE_ROUTINE WaitCompletionRoutine,
02784     _In_opt_ PFLTOPLOCK_PREPOST_CALLBACKDATA_ROUTINE PrePostCallbackDataRoutine);
02785 
02786 _IRQL_requires_max_(APC_LEVEL)
02787 BOOLEAN
02788 FLTAPI
02789 FltOplockIsSharedRequest(
02790     _In_ PFLT_CALLBACK_DATA CallbackData);
02791 
02792 _Must_inspect_result_
02793 _IRQL_requires_max_(APC_LEVEL)
02794 FLT_PREOP_CALLBACK_STATUS
02795 FLTAPI
02796 FltOplockFsctrlEx(
02797     _In_ POPLOCK Oplock,
02798     _In_ PFLT_CALLBACK_DATA CallbackData,
02799     _In_ ULONG OpenCount,
02800     _In_ ULONG Flags);
02801 
02802 BOOLEAN
02803 FLTAPI
02804 FltOplockKeysEqual(
02805     _In_opt_ PFILE_OBJECT Fo1,
02806     _In_opt_ PFILE_OBJECT Fo2);
02807 
02808 _Must_inspect_result_
02809 _IRQL_requires_max_(APC_LEVEL)
02810 NTSTATUS
02811 FLTAPI
02812 FltGetRequestorSessionId(
02813     _In_ PFLT_CALLBACK_DATA CallbackData,
02814     _Out_ PULONG SessionId);
02815 
02816 _IRQL_requires_max_(DISPATCH_LEVEL)
02817 NTSTATUS
02818 FLTAPI
02819 FltAdjustDeviceStackSizeForIoRedirection(
02820     _In_ PFLT_INSTANCE SourceInstance,
02821     _In_ PFLT_INSTANCE TargetInstance,
02822     _Out_opt_ PBOOLEAN SourceDeviceStackSizeModified);
02823 
02824 _IRQL_requires_max_(DISPATCH_LEVEL)
02825 NTSTATUS
02826 FLTAPI
02827 FltIsIoRedirectionAllowed(
02828     _In_ PFLT_INSTANCE SourceInstance,
02829     _In_ PFLT_INSTANCE TargetInstance,
02830     _Out_ PBOOLEAN RedirectionAllowed);
02831 
02832 _IRQL_requires_max_(DISPATCH_LEVEL)
02833 NTSTATUS
02834 FLTAPI
02835 FltIsIoRedirectionAllowedForOperation(
02836     _In_ PFLT_CALLBACK_DATA Data,
02837     _In_ PFLT_INSTANCE TargetInstance,
02838     _Out_ PBOOLEAN RedirectionAllowedThisIo,
02839     _Out_opt_ PBOOLEAN RedirectionAllowedAllIo);
02840 
02841 #endif /* FLT_MGR_WIN7 */
02842 
02843 #endif /* FLT_MGR_BASELINE */
02844 
02845 #ifdef __cplusplus
02846 } /* extern "C" */
02847 #endif
02848 
02849 #endif /* __FLTKERNEL__ */
Generated on Sat May 26 2012 04:28:36 for ReactOS by
1.7.6.1