File systems and minifilters

This section lists the functions, callbacks, macros, structures, and enumerations that can be used to develop Windows file system drivers and minifilter drivers. The list of header files that contain these declarations and definitions follows. All headers are included in the Windows Driver Kit (WDK).

For the programming guide, see the File system and minifilter design guide.

• fcb.h
• fltkernel.h
• fltuserstructures.h
• lowio.h
• midatlax.h
• mrx.h
• mrxfcb.h
• namcache.h
• ntifs.h
• prefix.h
• rx.h
• rxce.h
• rxcontx.h
• rxlog.h
• rxprocs.h
• rxstruc.h
• rxtimer.h
• rxworkq.h
• scavengr.h

IOCTLs

FSCTL_MANAGE_BYPASS_IO The FSCTL_MANAGE_BYPASS_IO control code controls BypassIO operations on a given file in the filter and file system stacks.
FSCTL_MARK_HANDLE The FSCTL_MARK_HANDLE control code marks a specified file or directory and its change journal record with information about changes to that file or directory.
FSCTL_QUERY_ALLOCATED_RANGES Learn more about the FSCTL_QUERY_ALLOCATED_RANGES FSCTL.
FSCTL_QUERY_FILE_REGIONS Learn more about the FSCTL_QUERY_FILE_REGIONS FS control code.
FSCTL_REARRANGE_FILE Learn more about the FSCTL_REARRANGE_FILE FS control code.
FSCTL_REFS_DEALLOCATE_RANGES_EX Learn more about the FSCTL_REFS_DEALLOCATE_RANGES_EX FSCTL.
FSCTL_SET_CACHED_RUNS_STATE Learn more about the FSCTL_SET_CACHED_RUNS_STATE FSCTL.
FSCTL_SET_PURGE_FAILURE_MODE Learn more about the FSCTL_SET_PURGE_FAILURE_MODE IOCTL.
FSCTL_SHUFFLE_FILE Learn more about the FSCTL_SHUFFLE_FILE FS control code.
IOCTL_REDIR_QUERY_PATH The IOCTL_REDIR_QUERY_PATH control code is sent by the multiple UNC provider (MUP) to network redirectors to determine which provider can handle a specific UNC path in a name-based operation, typically an IRP_MJ_CREATE request.
IOCTL_REDIR_QUERY_PATH_EX Learn more about the IOCTL_REDIR_QUERY_PATH_EX control code.
IOCTL_VOLSNAP_FLUSH_AND_HOLD_WRITES The IOCTL_VOLSNAP_FLUSH_AND_HOLD_WRITES control code is sent to force a flush of a file system before a volume shadow copy occurs.

Enumerations

CSV_CONTROL_OP Specifies the type of cluster shared volume (CSV) control operation to use with the FSCTL_CSV_CONTROL control code.
CSV_DOWN_LEVEL_FILE_TYPE Learn more about the CSV_DOWN_LEVEL_FILE_TYPE enumerator
DIRECTORY_NOTIFY_INFORMATION_CLASS Learn more about the DIRECTORY_NOTIFY_INFORMATION_CLASS enumeration.
DRIVER_DIRECTORY_TYPE Learn more about: _DRIVER_DIRECTORY_TYPE enumeration
FILE_INFORMATION_CLASS Learn more about the FILE_INFORMATION_CLASS enumeration.
FILE_KNOWN_FOLDER_TYPE Learn more about the FILE_KNOWN_FOLDER_TYPE enumeration.
FILE_STORAGE_TIER_CLASS Defines values for the type of desired storage class.
FLT_FILESYSTEM_TYPE Learn more about the FLT_FILESYSTEM_TYPE enumeration.
FS_BPIO_INFLAGS FS_BPIO_INFLAGS defines the BypassIO input flags for the FSCTL_MANAGE_BYPASS_IO control code.
FS_BPIO_OPERATIONS FS_BPIO_OPERATIONS defines the various BypassIO operations supported by the FSCTL_MANAGE_BYPASS_IO control code.
FS_BPIO_OUTFLAGS FS_BPIO_OUTFLAGS defines the BypassIO output flags for the FSCTL_MANAGE_BYPASS_IO control code.
FS_INFORMATION_CLASS The FS_INFORMATION_CLASS enumeration contains the information class constants that specify what type of information structure is present for a set or a query operation.
FSRTL_CHANGE_BACKING_TYPE The FSRTL_CHANGE_BACKING_TYPE enumeration specifies the type of cache or control area that a file object designates.
HEAP_MEMORY_INFO_CLASS Learn more about the HEAP_MEMORY_INFO_CLASS enumeration.
LINK_TRACKING_INFORMATION_TYPE Learn more about the LINK_TRACKING_INFORMATION_TYPE enumeration.
LOCK_OPERATION The LOCK_OPERATION enumeration specifies the type of access that is appropriate for a type of I/O operation.
MEMORY_INFORMATION_CLASS Defines classes of memory information that can be retrieved by using the ZwQueryVirtualMemory function.
NETWORK_OPEN_INTEGRITY_QUALIFIER The NETWORK_OPEN_INTEGRITY_QUALIFIER enumeration type contains values that identify the kind of integrity restriction to attach to a file.
NETWORK_OPEN_LOCATION_QUALIFIER The NETWORK_OPEN_LOCATION_QUALIFIER enumeration type contains values that identify the kind of location restriction to attach to a file.
OBJECT_INFORMATION_CLASS The OBJECT_INFORMATION_CLASS enumeration type represents the type of information to supply about an object.
OPLOCK_NOTIFY_REASON OPLOCK_NOTIFY_REASON specifies the reason for calling the notification callback provided to FsRtlCheckOplockEx2.
REFS_DEALLOCATE_RANGES_ALLOCATOR Learn more about the REFS_DEALLOCATE_RANGES_ALLOCATOR enumeration.
REFS_SMR_VOLUME_GC_ACTION Learn more about the REFS_SMR_VOLUME_GC_ACTION enumeration.
REFS_SMR_VOLUME_GC_METHOD Learn more about the REFS_SMR_VOLUME_GC_METHOD enumeration.
REFS_SMR_VOLUME_GC_STATE Learn more about the REFS_SMR_VOLUME_GC_STATE enumeration.
RTL_MEMORY_TYPE Defines the memory type the heap is supposed to use.
SECURITY_IMPERSONATION_LEVEL The SECURITY_IMPERSONATION_LEVEL enumeration type contains values that specify security impersonation levels. Security impersonation levels govern the degree to which a server process can act on behalf of a client process.
SID_NAME_USE The SID_NAME_USE enumeration type contains values that specify the type of a security identifier (SID).
SRV_INSTANCE_TYPE The SRV_INSTANCE_TYPE enumeration type describes the SRV instance type for an SRV_OPEN_ECP_CONTEXT.
STORAGE_RESERVE_ID Defines the storage reserve ID of a file, directory, or storage reserve area.
TOKEN_INFORMATION_CLASS Learn more about the TOKEN_INFORMATION_CLASS enumeration.
TOKEN_TYPE The TOKEN_TYPE enumeration type contains values that differentiate between a primary token and an impersonation token.
VIRTUAL_STORAGE_BEHAVIOR_CODE Configures file system-specific behaviors used on virtual storage devices.
WELL_KNOWN_SID_TYPE A list of commonly used security identifiers (SIDs). Programs can pass these values to the CreateWellKnownSid function to create a SID from this list. For information about these values, see WELL_KNOWN_SID_TYPE.

Functions

__RxFillAndInstallFastIoDispatch Learn more about the RxFillAndInstallFastIoDispatch function.
__RxSynchronizeBlockingOperations __RxSynchronizeBlockingOperations synchronizes blocking I/O requests to the same work queue.
_RxLog _RxLog takes a format string and variable number of parameters and formats an output string for recording as an I/O error log entry if logging is enabled.
ALLOCATE_VIRTUAL_MEMORY_EX_CALLBACK Learn more about the ALLOCATE_VIRTUAL_MEMORY_EX_CALLBACK callback function.
CcCanIWrite Learn more about the CcCanIWrite function.
CcCoherencyFlushAndPurgeCache The CcCoherencyFlushAndPurgeCache routine flushes and/or purges the cache to ensure cache coherency.
CcCopyRead The CcCopyRead routine copies data from a cached file to a user buffer.
CcCopyReadEx Learn more about the CcCopyReadEx routine.
CcCopyWrite The CcCopyWrite routine copies data from a user buffer to a cached file.
CcCopyWriteEx Learn more about the CcCopyWriteEx routine.
CcCopyWriteWontFlush The CcCopyWriteWontFlush macro determines whether the amount of data to be copied in a call to CcCopyWrite is small enough not to require immediate flushing to disk if CcCopyWrite is called with Wait set to FALSE.
CcDeferWrite The CcDeferWrite routine defers writing to a cached file.
CcFastCopyRead Learn more about the CcFastCopyRead function.
CcFastCopyWrite Learn more about the CcFastCopyWrite function.
CcFlushCache The CcFlushCache routine flushes all or a portion of a cached file to disk.
CcGetCacheFileSize Learn more about the CcGetCacheFileSize function.
CcGetDirtyPages The CcGetDirtyPages routine searches for dirty pages in all files that match a given log handle.
CcGetFileObjectFromBcb Given a pointer to a pinned buffer control block (BCB) for a file, the CcGetFileObjectFromBcb routine returns a pointer to the file object that the cache manager is using for that file.
CcGetFileObjectFromSectionPtrs Given a pointer to the section object pointers for a cached file, the CcGetFileObjectFromSectionPtrs routine returns a pointer to the file object that the cache manager is using for the file.
CcGetFileObjectFromSectionPtrsRef When passed a pointer to a SECTION_OBJECT_POINTERS structure for a cached file, the CcGetFileObjectFromSectionPtrsRef routine returns a pointer to the file object that the cache manager is using for the cached file.
CcGetFileSizePointer Learn more about the CcGetFileSizePointer function.
CcGetFlushedValidData The CcGetFlushedValidData routine determines how much of a cached file has been flushed to disk.
CcInitializeCacheMap File systems call the CcInitializeCacheMap routine to cache a file.
CcIsThereDirtyData The CcIsThereDirtyData routine determines whether a mounted volume contains any files that have dirty data in the system cache.
CcIsThereDirtyDataEx The CcIsThereDirtyDataEx routine determines whether a volume contains any files that have dirty data in the system cache.
CcMapData The CcMapData routine maps a specified byte range of a cached file to a buffer in memory.
CcMdlReadComplete The CcMdlReadComplete routine frees the memory descriptor lists (MDL) created by CcMdlRead for a cached file.
CcMdlWriteAbort The CcMdlWriteAbort routine frees memory descriptor lists (MDL) created by an earlier call to CcPrepareMdlWrite.
CcMdlWriteComplete The CcMdlWriteComplete routine frees the memory descriptor lists (MDL) created by CcPrepareMdlWrite for a cached file.
CcPinMappedData The CcPinMappedData routine pins the specified byte range of a cached file.
CcPinRead The CcPinRead routine pins the specified byte range of a cached file and reads the pinned data into a buffer in memory.
CcPrepareMdlWrite The CcPrepareMdlWrite routine provides direct access to cached file memory so that the caller can write data to the file.
CcPreparePinWrite The CcPreparePinWrite routine pins the specified byte range of a cached file for write access.
CcPurgeCacheSection The CcPurgeCacheSection routine purges all or a portion of a cached file from the system cache.
CcRemapBcb The CcRemapBcb routine maps a buffer control block (BCB) an additional time to preserve it through several calls that perform additional maps and unpins.
CcRepinBcb The CcRepinBcb routine pins a buffer control block (BCB) an additional time to prevent it from being freed by a subsequent call to CcUnpinData.
CcScheduleReadAhead The CcScheduleReadAhead routine performs read-ahead (also called "lazy read") on a cached file. CcScheduleReadAhead should never be called directly. The CcReadAhead macro should be called instead.
CcScheduleReadAheadEx Learn more about the CcScheduleReadAheadEx routine.
CcSetAdditionalCacheAttributes Call the CcSetAdditionalCacheAttributes routine to enable or disable read-ahead (also called "lazy read") or write-behind (also called "lazy write") on a cached file.
CcSetAdditionalCacheAttributesEx Learn more about the CcSetAdditionalCacheAttributesEx routine.
CcSetBcbOwnerPointer The CcSetBcbOwnerPointer routine sets the owner thread pointer for a pinned buffer control block (BCB).
CcSetCacheFileSizes Learn more about the CcSetCacheFileSizes function.
CcSetDirtyPageThreshold The CcSetDirtyPageThreshold routine sets a per-file dirty page threshold on a cached file.
CcSetDirtyPinnedData The CcSetDirtyPinnedData routine marks as dirty the buffer control block (BCB) for a pinned buffer whose contents have been modified.
CcSetFileSizes Learn more about the CcSetFileSizes function.
CcSetFileSizesEx Learn more about the CcSetFileSizesEx function.
CcSetLogHandleForFile The CcSetLogHandleForFile routine sets a log handle for a file.
CcSetReadAheadGranularity The CcSetReadAheadGranularity routine sets the read-ahead granularity for a cached file.
CcUninitializeCacheMap The CcUninitializeCacheMap routine stops the caching of a cached file.
CcUnpinData The CcUnpinData routine releases cached file data that was mapped or pinned by an earlier call to CcMapData, CcPinRead, or CcPreparePinWrite.
CcUnpinDataForThread The CcUnpinDataForThread routine releases pages of a cached file whose buffer control block (BCB) was modified by an earlier call to CcSetBcbOwnerPointer.
CcUnpinRepinnedBcb The CcUnpinRepinnedBcb routine unpins a repinned buffer control block (BCB).
CcWaitForCurrentLazyWriterActivity The CcWaitForCurrentLazyWriterActivity routine puts the caller into a wait state until the current batch of lazy writer activity is completed.
CcZeroData The CcZeroData routine zeros the specified range of bytes in a cached or noncached file.
ClfsCreateMarshallingAreaEx Initalizes a marshalling area for a physical or client log file stream.
DRIVER_FS_NOTIFICATION A PDRIVER_FS_NOTIFICATION-typed routine is called by the operating system when a file system registers or unregisters itself by using IoRegisterFileSystem or IoUnregisterFileSystem.
ExAdjustLookasideDepth Microsoft reserves the ExAdjustLookasideDepth function for internal use only. Don't use this function in your code.
ExDisableResourceBoostLite Microsoft reserves the ExDisableResourceBoostLite function for internal use only. Don't use this function in your code.
ExInitializeWorkItem ExInitializeWorkItem initializes a work-queue item with a caller-supplied context and callback routine to be queued for execution when a system worker thread is given control.
ExQueryPoolBlockSize Obsolete.
ExQueueWorkItem ExQueueWorkItem inserts a given work item into a queue from which a system worker thread removes the item and gives control to the routine that the caller supplied to ExInitializeWorkItem.
FLT_IS_FASTIO_OPERATION Learn more about FLT_IS_FASTIO_OPERATION
FLT_IS_FS_FILTER_OPERATION Learn more about the FLT_IS_FS_FILTER_OPERATION macro.
FLT_IS_IRP_OPERATION Learn more about the FLT_IS_IRP_OPERATION macro.
FLT_IS_REISSUED_IO Learn more about the FLT_IS_REISSUED_IO macro.
FLT_IS_SYSTEM_BUFFER Learn more about the FLT_IS_SYSTEM_BUFFER macro.
FltAcknowledgeEcp The FltAcknowledgeEcp routine is used to mark an extra create parameter context structure (ECP) as acknowledged.
FltAcquirePushLockExclusive The FltAcquirePushLockExclusive routine acquires the given push lock for exclusive access by the calling thread.
FltAcquirePushLockExclusiveEx The FltAcquirePushLockExclusiveEx routine acquires the given push lock for exclusive access by the calling thread.
FltAcquirePushLockShared The FltAcquirePushLockShared routine acquires the given push lock for shared access by the calling thread.
FltAcquirePushLockSharedEx The FltAcquirePushLockSharedEx routine acquires the given push lock for shared access by the calling thread.
FltAcquireResourceExclusive Learn more about the FltAcquireResourceExclusive function.
FltAcquireResourceShared Learn more about the FltAcquireResourceShared function.
FltAddOpenReparseEntry This routine adds a caller allocated open reparse structure, OPEN_REPARSE_LIST_ENTRY, into a create operation.
FltAdjustDeviceStackSizeForIoRedirection The FltAdjustDeviceStackSizeForIoRedirection routine increases the size of the source device stack to allow a minifilter to redirect I/O from a specified source instance to a specified target instance when the target stack is deeper than the source stack.
FltAllocateCallbackData FltAllocateCallbackData allocates a callback data structure that a minifilter driver can use to initiate an I/O request.
FltAllocateCallbackDataEx The FltAllocateCallbackDataEx routine allocates a callback data structure and can preallocate memory for additional structures that a minifilter driver can use to initiate an I/O request.
FltAllocateContext Learn more about the FltAllocateContext function.
FltAllocateDeferredIoWorkItem FltAllocateDeferredIoWorkItem allocates a deferred-I/O work item.
FltAllocateExtraCreateParameter The FltAllocateExtraCreateParameter routine allocates paged memory pool for a user-defined extra create parameter (ECP) context structure and generates a pointer to that structure.
FltAllocateExtraCreateParameterFromLookasideList The FltAllocateExtraCreateParameterFromLookasideList routine allocates memory pool from a given lookaside list for an extra create parameter (ECP) context structure and generates a pointer to that structure.
FltAllocateExtraCreateParameterList The FltAllocateExtraCreateParameterList routine allocates paged pool memory for an extra create parameter (ECP) list structure and generates a pointer to that structure.
FltAllocateFileLock The FltAllocateFileLock routine allocates and initializes a new FILE_LOCK structure.
FltAllocateGenericWorkItem FltAllocateGenericWorkItem allocates a generic work item.
FltAllocatePoolAlignedWithTag FltAllocatePoolAlignedWithTag allocates a device-aligned buffer for use in a noncached I/O operation.
FltApplyPriorityInfoThread The FltApplyPriorityInfoThread routine is used by a minifilter driver to apply priority information to a thread.
FltAttachVolume FltAttachVolume creates a new minifilter driver instance and attaches it to the given volume.
FltAttachVolumeAtAltitude FltAttachVolumeAtAltitude is a debugging support routine that attaches a minifilter driver instance to a volume at a specified altitude, overriding any settings in the minifilter driver's INF file.
FltBuildDefaultSecurityDescriptor FltBuildDefaultSecurityDescriptor builds a default security descriptor for use with FltCreateCommunicationPort.
FltCancelFileOpen A minifilter driver can use the FltCancelFileOpen routine to close a newly opened or created file.
FltCancelIo The FltCancelIo routine cancels an I/O operation.
FltCancellableWaitForMultipleObjects The FltCancellableWaitForMultipleObjects executes a cancelable wait operation (a wait that can be terminated) on one or more dispatcher objects.
FltCancellableWaitForSingleObject The FltCancellableWaitForSingleObject routine executes a cancelable wait operation (a wait that can be terminated) on a dispatcher object.
FltCbdqDisable FltCbdqDisable disables a minifilter driver's callback data queue.
FltCbdqEnable FltCbdqEnable enables a callback data queue that was disabled by a previous call to FltCbdqDisable.
FltCbdqInitialize FltCbdqInitialize initializes a minifilter driver's callback data queue dispatch table.
FltCbdqInsertIo FltCbdqInsertIo inserts the callback data structure for an I/O operation into a filter driver's callback data queue.
FltCbdqRemoveIo FltCbdqRemoveIo removes a particular item from a minifilter driver's callback data queue.
FltCbdqRemoveNextIo FltCbdqRemoveNextIo removes the next matching item in a minifilter driver's callback data queue.
FltCheckAndGrowNameControl The FltCheckAndGrowNameControl routine checks whether the buffer in a FLT_NAME_CONTROL structure is large enough to hold the specified number of bytes. If not, FltCheckAndGrowNameControl replaces it with a larger system-allocated buffer.
FltCheckLockForReadAccess The FltCheckLockForReadAccess routine determines whether the caller has read access to a locked byte range of a file.
FltCheckLockForWriteAccess The FltCheckLockForWriteAccess routine determines whether the caller has write access to a locked byte range of a file.
FltCheckOplock A minifilter driver calls FltCheckOplock to synchronize the callback data structure for an IRP-based file I/O operation with the file's current opportunistic lock (oplock) state.
FltCheckOplockEx A minifilter driver calls the FltCheckOplockEx routine to synchronize the callback data structure for an IRP-based file I/O operation that has the current opportunistic lock (oplock) state of the file.
FltClearCallbackDataDirty The FltClearCallbackDataDirty routine clears the callback dirty flag in a callback data structure.
FltClearCancelCompletion FltClearCancelCompletion clears a cancel routine that was specified for an I/O operation.
FltClose FltClose closes a file handle that was opened by FltCreateFile or FltCreateFileEx.
FltCloseClientPort FltCloseClientPort closes a communication client port.
FltCloseCommunicationPort FltCloseCommunicationPort closes a minifilter driver's communication server port.
FltCloseSectionForDataScan The FltCloseSectionForDataScan routine closes a section object associated with a file stream.
FltCommitComplete The FltCommitComplete routine acknowledges a TRANSACTION_NOTIFY_COMMIT notification.
FltCommitFinalizeComplete The FltCommitFinalizeComplete routine acknowledges a TRANSACTION_NOTIFY_COMMIT_FINALIZE notification.
FltCompareInstanceAltitudes FltCompareInstanceAltitudes compares the altitudes of two minifilter driver instances.
FltCompletePendedPostOperation FltCompletePendedPostOperation resumes completion processing for an I/O operation that was pended in a minifilter driver's postoperation callback routine.
FltCompletePendedPreOperation FltCompletePendedPreOperation resumes processing for an I/O operation that was pended in a minifilter driver's preoperation callback (PFLT_PRE_OPERATION_CALLBACK) routine.
FltCopyOpenReparseList This routine copies any open reparse information from a previous create into a new ECP list that can be used to issue a second create.
FltCreateCommunicationPort FltCreateCommunicationPort creates a communication server port on which a minifilter driver can receive connection requests from user-mode applications.
FltCreateFile Learn more about the FltCreateFile function.
FltCreateFileEx Minifilter drivers call FltCreateFileEx to create a new file or open an existing file.
FltCreateFileEx2 Minifilter drivers call FltCreateFileEx2 to create a new file or open an existing file. This routine also includes an optional create context parameter.
FltCreateMailslotFile Minifilter drivers call FltCreateMailslotFile to create a new pipe or open an existing mailslot.
FltCreateNamedPipeFile Minifilter drivers call FltCreateNamedPipeFile to create a new pipe or open an existing pipe.
FltCreateSectionForDataScan The FltCreateSectionForDataScan routine creates a section object for a file. The filter manager can optionally synchronize I/O with the section created.
FltCreateSystemVolumeInformationFolder FltCreateSystemVolumeInformationFolder verifies the existence of the "System Volume Information" folder on a file system volume. If the folder is not present, then the folder is created.
FltCurrentBatchOplock A minifilter driver calls FltCurrentBatchOplock to determine whether there are any batch or filter opportunistic locks (oplocks) on a file.
FltCurrentOplock A minifilter driver calls the FltCurrentOplock routine to determine whether there are any opportunistic locks (oplocks) on a file.
FltCurrentOplockH A minifilter driver calls the FltCurrentOplockH routine to determine whether there are any CACHE_HANDLE_LEVEL opportunistic locks (oplocks) on a file.
FltDecodeParameters FltDecodeParameters returns pointers to the memory descriptor list (MDL) address, buffer pointer, buffer length, and desired access parameters for an I/O operation.
FltDeleteContext FltDeleteContext marks a specified context for deletion.
FltDeleteExtraCreateParameterLookasideList The FltDeleteExtraCreateParameterLookasideList routine frees an extra create parameter (ECP) lookaside list.
FltDeleteFileContext The FltDeleteFileContext routine retrieves and deletes a file context that a given minifilter driver has set for a given file.
FltDeleteInstanceContext FltDeleteInstanceContext removes a context from a given instance and marks the context for deletion.
FltDeletePushLock The FltDeletePushLock routine deletes a given push lock.
FltDeleteStreamContext FltDeleteStreamContext removes a context that a given minifilter driver instance has set for a given stream and marks the context for deletion.
FltDeleteStreamHandleContext FltDeleteStreamHandleContext removes a context that a given minifilter driver instance has set for a given stream handle and marks the context for deletion.
FltDeleteTransactionContext The FltDeleteTransactionContext routine removes a context from a given transaction and marks the context for deletion.
FltDeleteVolumeContext FltDeleteVolumeContext removes a context that a given minifilter driver has set for a given volume and marks the context for deletion.
FltDetachVolume FltDetachVolume detaches a minifilter driver instance from a volume.
FltDeviceIoControlFile FltDeviceIoControlFile sends a control code directly to a specified device driver, causing the corresponding driver to perform the specified action.
FltDoCompletionProcessingWhenSafe If it is safe to do so, the FltDoCompletionProcessingWhenSafe function executes a minifilter driver postoperation callback routine.
FltEnlistInTransaction The FltEnlistInTransaction routine enlists a minifilter driver in a given transaction.
FltEnumerateFilterInformation The FltEnumerateFilterInformation routine provides information about all the registered filter drivers (including minifilter and legacy filter drivers) in the system.
FltEnumerateFilters The FltEnumerateFilters routine enumerates all registered minifilter drivers in the system.
FltEnumerateInstanceInformationByDeviceObject The FltEnumerateInstanceInformationByDeviceObject routine provides information about minifilter driver instances and legacy filter drivers that are attached to the volume related to a specified device object.
FltEnumerateInstanceInformationByFilter The FltEnumerateInstanceInformationByFilter routine provides information about instances of a given minifilter driver.
FltEnumerateInstanceInformationByVolume The FltEnumerateInstanceInformationByVolume routine provides information about minifilter driver instances and legacy filter drivers (Windows Vista only) that are attached to a given volume.
FltEnumerateInstanceInformationByVolumeName The FltEnumerateInstanceInformationByVolumeName routine provides information about minifilter driver instances and legacy filter drivers that are attached to the volume with the specified name.
FltEnumerateInstances The FltEnumerateInstances routine enumerates minifilter driver instances for a given minifilter driver or volume.
FltEnumerateVolumeInformation The FltEnumerateVolumeInformation routine provides information about volumes that are known to the filter manager.
FltEnumerateVolumes The FltEnumerateVolumes routine enumerates all volumes in the system.
FltFastIoMdlRead The FltFastIoMdlRead routine returns a memory descriptor list (MDL) that points directly to the specified byte range in the file cache.
FltFastIoMdlReadComplete The FltFastIoMdlReadComplete routine completes the read operation that the FltFastIoMdlRead routine initiated.
FltFastIoMdlWriteComplete The FltFastIoMdlWriteComplete routine in fltkernel.h frees the resources that FltFastIoPrepareMdlWrite allocated.
FltFastIoPrepareMdlWrite The FltFastIoPrepareMdlWrite routine returns a linked list of memory descriptor lists (MDLs) that point to the specified range of cached file data to write data directly to the cache.
FltFindExtraCreateParameter The FltFindExtraCreateParameter routine searches a given ECP list for an ECP context structure of a given type and returns a pointer to this structure if it is found.
FltFlushBuffers The FltFlushBuffers routine is used by the minifilter driver to send a flush request for a given file to the file system.
FltFlushBuffers2 Learn more about the FltFlushBuffers2 function.
FltFreeCallbackData The FltFreeCallbackData routine frees a callback data structure allocated by the FltAllocateCallbackData routine.
FltFreeDeferredIoWorkItem The FltFreeDeferredIoWorkItem routine frees a work item allocated by the FltAllocateDeferredIoWorkItem routine.
FltFreeExtraCreateParameter The FltFreeExtraCreateParameter routine frees the memory for an ECP context structure.
FltFreeExtraCreateParameterList The FltFreeExtraCreateParameterList routine frees an extra create parameter (ECP) list structure.
FltFreeFileLock The FltFreeFileLock routine uninitializes and frees an initialized FILE_LOCK structure.
FltFreeGenericWorkItem The FltFreeGenericWorkItem routine frees a work item allocated by the FltAllocateGenericWorkItem routine.
FltFreeOpenReparseList This routine deallocates any information copied into a create operation by a previous call to FltCopyOpenReparseList.
FltFreePoolAlignedWithTag The FltFreePoolAlignedWithTag routine frees a cache-aligned buffer that was allocated by a previous call to FltAllocatePoolAlignedWithTag.
FltFreeSecurityDescriptor FltFreeSecurityDescriptor frees a security descriptor allocated by the FltBuildDefaultSecurityDescriptor routine.
FltFsControlFile The FltFsControlFile routine sends a control code directly to a specified file system or file system filter driver, causing the corresponding driver to perform the specified action.
FltGetActivityIdCallbackData The FltGetActivityIdCallbackData routine retrieves the current activity ID associated with a request in a minifilter's callback data.
FltGetBottomInstance FltGetBottomInstance returns an opaque instance pointer for the minifilter driver instance, if there is one, that is attached at the bottom of the instance stack for a given volume.
FltGetContexts Learn more about the FltGetContexts function.
FltGetContextsEx Learn more about the FltGetContextsEx function.
FltGetCopyInformationFromCallbackData Learn more about the FltGetCopyInformationFromCallbackData function.
FltGetDestinationFileNameInformation Learn more about the FltGetDestinationFileNameInformation routine.
FltGetDeviceObject The FltGetDeviceObject routine returns a pointer to the Filter Manager's volume device object (VDO) for a given volume.
FltGetDiskDeviceObject The FltGetDiskDeviceObject routine returns a pointer to the disk device object associated with a given volume.
FltGetEcpListFromCallbackData The FltGetEcpListFromCallbackData routine returns a pointer to an extra create parameter context structure (ECP) list that is associated with a given create operation callback-data object.
FltGetFileContext Learn more about the FltGetFileContext function.
FltGetFileNameInformation The FltGetFileNameInformation routine returns name information for a file or directory.
FltGetFileNameInformationUnsafe The FltGetFileNameInformationUnsafe routine returns name information for an open file or directory.
FltGetFileSystemType The FltGetFileSystemType function takes a volume or instance object and provides the file system type of the volume.
FltGetFilterFromInstance The FltGetFilterFromInstance routine returns an opaque filter pointer for the minifilter driver that created the given instance.
FltGetFilterFromName The FltGetFilterFromName routine returns an opaque filter pointer for a registered minifilter driver whose name matches the value in the FilterName parameter.
FltGetFilterInformation The FltGetFilterInformation routine provides information about a minifilter driver.
FltGetInstanceContext Learn more about the FltGetInstanceContext function.
FltGetInstanceInformation The FltGetInstanceInformation routine returns information about a minifilter driver instance.
FltGetIoPriorityHint The FltGetIoPriorityHint routine is used by a minifilter driver to get IO priority information from Callback Data.
FltGetIoPriorityHintFromCallbackData The FltGetIoPriorityHintFromCallbackData routine is used by a minifilter driver to get IO priority information from callback data.
FltGetIoPriorityHintFromFileObject The FltGetIoPriorityHintFromFileObject routine is used by a minifilter driver to get IO priority information from a file object.
FltGetIoPriorityHintFromThread The FltGetIoPriorityHintFromThread routine is used by a minifilter driver to get IO priority information from a thread.
FltGetIrpName The FltGetIrpName routine returns the name for a major function code as a printable string.
FltGetLowerInstance The FltGetLowerInstance routine returns an opaque instance pointer for the next lower minifilter driver instance, if there is one, that is attached below a given minifilter driver instance on the same volume.
FltGetNewSystemBufferAddress The FltGetNewSystemBufferAddress function retrieves the AssociatedIrp.SystemBuffer buffer, which the file system has allocated. A minifilter driver's post-callback routine calls this function.
FltGetNextExtraCreateParameter The FltGetNextExtraCreateParameter routine returns a pointer to the next (or first) extra create parameter context structure (ECP) in a given ECP list.
FltGetRequestorProcess The FltGetRequestorProcess routine returns a process pointer for the thread that requested a given I/O operation.
FltGetRequestorProcessId The FltGetRequestorProcessId routine returns the unique 32-bit process ID for the process associated with the thread that requested a given I/O operation.
FltGetRequestorProcessIdEx The FltGetRequestorProcessIdEx routine returns the kernel-mode handle for the process that is associated with the thread that requested a given I/O operation.
FltGetRequestorSessionId The FltGetRequestorSessionId routine returns the session ID of the process that originally requested the specified I/O operation.
FltGetRoutineAddress The FltGetRoutineAddress routine returns a pointer to a routine specified by the FltMgrRoutineName parameter.
FltGetSectionContext Learn more about the FltGetSectionContext function.
FltGetStreamContext Learn more about the FltGetStreamContext function.
FltGetStreamHandleContext Learn more about the FltGetStreamHandleContext function.
FltGetSwappedBufferMdlAddress The FltGetSwappedBufferMdlAddress routine returns the memory descriptor list (MDL) address for a buffer that was swapped in by a minifilter driver.
FltGetTopInstance The FltGetTopInstance routine returns an opaque instance pointer for the minifilter driver instance that is attached at the top of the instance stack for a given volume.
FltGetTransactionContext The FltGetTransactionContext routine retrieves a context that was set for a transaction by a given minifilter driver.
FltGetTunneledName The FltGetTunneledName routine retrieves the tunneled name for a file, given the normalized name returned for the file by a previous call to FltGetFileNameInformation, FltGetFileNameInformationUnsafe, or FltGetDestinationFileNameInformation.
FltGetUpperInstance The FltGetUpperInstance routine returns an opaque instance pointer for the next higher minifilter driver instance, if there is one, that is attached above a given minifilter driver instance on the same volume.
FltGetVolumeContext Learn more about the FltGetVolumeContext function.
FltGetVolumeFromDeviceObject The FltGetVolumeFromDeviceObject routine returns an opaque pointer for the volume represented by a volume device object (VDO).
FltGetVolumeFromFileObject The FltGetVolumeFromFileObject routine returns an opaque pointer for the volume that a given file stream resides on.
FltGetVolumeFromInstance The FltGetVolumeFromInstance routine returns an opaque pointer for the volume that a given minifilter driver instance is attached to.
FltGetVolumeFromName The FltGetVolumeFromName routine returns an opaque pointer for the volume whose name matches the value of the VolumeName parameter.
FltGetVolumeGuidName The FltGetVolumeGuidName routine returns the volume name for a given volume, in volume globally unique identifier (GUID) format.
FltGetVolumeInformation The FltGetVolumeInformation routine provides information about a given volume.
FltGetVolumeInstanceFromName The FltGetVolumeInstanceFromName routine returns an opaque instance pointer for the given minifilter driver instance on the given volume.
FltGetVolumeName The FltGetVolumeName routine gets the volume name for a given volume.
FltGetVolumeProperties The FltGetVolumeProperties routine returns volume property information for the given volume.
FltInitExtraCreateParameterLookasideList The FltInitExtraCreateParameterLookasideList routine initializes a paged or non-paged pool lookaside list used for the allocation of one or more extra create parameter context structures (ECPs) of fixed size.
FltInitializeFileLock The FltInitializeFileLock routine initializes an opaque FILE_LOCK structure that the caller has allocated from paged pool.
FltInitializeOplock The FltInitializeOplock routine initializes an opportunistic lock (oplock) pointer.
FltInitializePushLock The FltInitializePushLock routine initializes a push lock variable.
FltInsertExtraCreateParameter The FltInsertExtraCreateParameter routine inserts an extra create parameter (ECP) context structure into an ECP list.
FltIs32bitProcess The FltIs32bitProcess routine checks whether the originator of the current I/O operation is a 32-bit user-mode application.
FltIsCallbackDataDirty The FltIsCallbackDataDirty routine tests the FLTFL_CALLBACK_DATA_DIRTY flag in a callback data structure.
FltIsDirectory A minifilter driver calls the FltIsDirectory routine to determine whether a given file object represents a directory.
FltIsEcpAcknowledged The FltIsEcpAcknowledged routine is used to determine if a given extra create parameter context structure (ECP) has been marked as acknowledged.
FltIsEcpFromUserMode The FltIsEcpFromUserMode routine is used to determine if an extra create parameter context structure (ECP) originated from user mode.
FltIsFltMgrVolumeDeviceObject The FltIsFltMgrVolumeDeviceObject routine determines whether the given device object belongs to filter manager and if the device object is a volume device object.
FltIsIoCanceled The FltIsIoCanceled routine checks if an IRP-based operation has been canceled.
FltIsIoRedirectionAllowed The FltIsIoRedirectionAllowed routine determines whether I/O can be redirected from the specified source filter instance to another specified filter instance.
FltIsIoRedirectionAllowedForOperation The FltIsIoRedirectionAllowedForOperation routine determines whether I/O can be redirected from the filter instance associated with the specified FLT_CALLBACK_DATA structure to the specified filter instance.
FltIsOperationSynchronous The FltIsOperationSynchronous routine determines whether a given callback data structure (FLT_CALLBACK_DATA) represents a synchronous or asynchronous I/O operation.
FltIsVolumeSnapshot The FltIsVolumeSnapshot routine determines whether a volume or minifilter driver instance is attached to a snapshot volume.
FltIsVolumeWritable The FltIsVolumeWritable routine determines whether the disk device that corresponds to a volume or minifilter driver instance is writable.
FltLoadFilter The FltLoadFilter routine dynamically loads a minifilter driver into the currently running system.
FltLockUserBuffer Learn more about the FltLockUserBuffer function.
FltNotifyFilterChangeDirectory The FltNotifyFilterChangeDirectory routine creates a notify structure for an IRP_MN_NOTIFY_CHANGE_DIRECTORY operation and adds it to the specified notify list.
FltObjectDereference The FltObjectDereference routine removes a rundown reference from an opaque filter, instance, or volume pointer.
FltObjectReference The FltObjectReference routine adds a rundown reference to an opaque filter, instance, or volume pointer.
FltOpenVolume The FltOpenVolume routine returns a handle and a file object pointer for the file system volume that a given minifilter driver instance is attached to.
FltOplockBreakH The FltOplockBreakH routine breaks CACHE_HANDLE_LEVEL opportunistic locks (oplocks).
FltOplockBreakToNone The FltOplockBreakToNone routine breaks all opportunistic locks (oplocks) immediately without regard for any oplock key.
FltOplockBreakToNoneEx The FltOplockBreakToNoneEx routine breaks all opportunistic locks (oplocks) immediately without regard for any oplock key.
FltOplockFsctrl The FltOplockFsctrl routine performs various opportunistic lock (oplock) operations on behalf of a minifilter driver.
FltOplockFsctrlEx The FltOplockFsctrlEx routine performs various opportunistic lock (oplock) operations on behalf of a minifilter driver.
FltOplockIsFastIoPossible The FltOplockIsFastIoPossible routine checks a file's opportunistic lock (oplock) state to determine whether fast I/O can be performed on the file.
FltOplockIsSharedRequest The FltOplockIsSharedRequest routine determines if a request for an opportunistic lock (oplock) wants a shared oplock.
FltOplockKeysEqual The FltOplockKeysEqual routine compares the opportunistic lock (oplock) keys that are stored in the file object extensions of two file objects.
FltParseFileName FltParseFileName parses the extension, stream, and final component from a file name string.
FltParseFileNameInformation FltParseFileNameInformation parses the contents of a FLT_FILE_NAME_INFORMATION structure.
FltPerformAsynchronousIo A minifilter driver calls FltPerformAsynchronousIo to initiate an asynchronous I/O operation.
FltPerformSynchronousIo A minifilter driver calls FltPerformSynchronousIo to initiate a synchronous I/O operation after calling FltAllocateCallbackData to allocate a callback data structure for the operation.
FltPrepareComplete The FltPrepareComplete routine acknowledges a TRANSACTION_NOTIFY_PREPARE notification.
FltPrepareToReuseEcp The FltPrepareToReuseEcp routine resets an extra create parameter (ECP) context structure, which prepares it for reuse.
FltPrePrepareComplete The FltPrePrepareComplete routine acknowledges a TRANSACTION_NOTIFY_PREPREPARE notification.
FltProcessFileLock The FltProcessFileLock routine processes and completes a file lock operation.
FltPropagateActivityIdToThread The FltPropagateActivityIdToThread routine associates the activity ID from the IRP in the minifilter's callback data with the current thread.
FltPropagateIrpExtension The FltPropagateIrpExtension routine copies the IRP extension from one minifilter's callback data to another's callback data.
FltPurgeFileNameInformationCache FltPurgeFileNameInformationCache purges from the Filter Manager's name cache all file name information structures that were generated from names provided by the given minifilter driver instance.
FltQueryDirectoryFile The FltQueryDirectoryFile routine returns various kinds of information about files in the directory specified by a given file object.
FltQueryDirectoryFileEx FltQueryDirectoryFileEx returns various kinds of information about files in the directory specified by a given file object.
FltQueryEaFile FltQueryEaFile returns information about extended-attribute (EA) values for a file.
FltQueryInformationByName The FltQueryInformationByName routine returns the requested information about a named file.
FltQueryInformationFile FltQueryInformationFile retrieves information for a given file.
FltQueryQuotaInformationFile The FltQueryQuotaInformationFile routine retrieves quota entries associated with a file object.
FltQuerySecurityObject FltQuerySecurityObject retrieves a copy of an object's security descriptor.
FltQueryVolumeInformation The FltQueryVolumeInformation routine retrieves information about the volume that the given instance is attached to.
FltQueryVolumeInformationFile FltQueryVolumeInformationFile retrieves volume information for a given file, directory, storage device, or volume.
FltQueueDeferredIoWorkItem The FltQueueDeferredIoWorkItem routine posts an IRP-based I/O operation to a work queue.
FltQueueGenericWorkItem FltQueueGenericWorkItem posts a work item that is not associated with a specific I/O operation to a work queue.
FltReadFile Learn more about the FltReadFile function.
FltReadFileEx Learn more about the FltReadFileEx function.
FltReferenceContext FltReferenceContext increments the reference count on a context structure.
FltReferenceFileNameInformation FltReferenceFileNameInformation increments the reference count on a file name information structure.
FltRegisterFilter FltRegisterFilter registers a minifilter driver.
FltRegisterForDataScan The FltRegisterForDataScan routine enables data scanning for the volume attached to the minifilter instance.
FltReissueSynchronousIo FltReissueSynchronousIo initiates a new synchronous I/O operation that uses the parameters from a previously synchronized I/O operation.
FltReleaseContext FltReleaseContext decrements the reference count on a context.
FltReleaseContexts FltReleaseContexts releases each context in a given FLT_RELATED_CONTEXTS structure.
FltReleaseContextsEx FltReleaseContextsEx releases each context in a given FLT_RELATED_CONTEXTS_EX structure.
FltReleaseFileNameInformation FltReleaseFileNameInformation releases a file name information structure.
FltReleasePushLock The FltReleasePushLock routine releases a specified push lock owned by the current thread.
FltReleasePushLockEx The FltReleasePushLockEx routine releases a specified push lock owned by the current thread.
FltReleaseResource Learn more about the FltReleaseResource function.
FltRemoveExtraCreateParameter The FltRemoveExtraCreateParameter routine searches an ECP list for an ECP context structure and, if found, detaches it from the ECP list.
FltRemoveOpenReparseEntry This routine removes an OPEN_REPARSE_LIST_ENTRY structure (added by FltAddOpenReparseEntry) from a create operation.
FltRequestFileInfoOnCreateCompletion A minifilter calls FltRequestFileInfoOnCreateCompletion during file pre-create to request that the file manager stores the specified file information for retrieval upon create complete.
FltRequestOperationStatusCallback FltRequestOperationStatusCallback returns status information for the given I/O operation.
FltRetainSwappedBufferMdlAddress FltRetainSwappedBufferMdlAddress prevents the Filter Manager from freeing the memory descriptor list (MDL) for a buffer that was swapped in by a minifilter driver.
FltRetrieveFileInfoOnCreateCompletion FltRetrieveFileInfoOnCreateCompletion retrieves the requested file information during file post create.
FltRetrieveFileInfoOnCreateCompletionEx FltRetrieveFileInfoOnCreateCompletionEx queries for the specified file information upon file creation completion.
FltRetrieveIoPriorityInfo The FltRetrieveIoPriorityInfo routine is used by a minifilter driver to retrieve priority information from a thread.
FltReuseCallbackData The FltReuseCallbackData routine reinitializes a callback data structure so that it can be reused.
FltRollbackComplete The FltRollbackComplete routine acknowledges a TRANSACTION_NOTIFY_ROLLBACK notification.
FltRollbackEnlistment The FltRollbackEnlistment routine rolls back or aborts a transaction on behalf of a minifilter driver.
FltSendMessage FltSendMessage sends a message to a waiting user-mode application on behalf of a minifilter driver or a minifilter driver instance.
FltSetActivityIdCallbackData The FltSetActivityIdCallbackData routine sets the a activity ID for an IRP in a minifilter's callback data.
FltSetCallbackDataDirty A minifilter driver's preoperation or postoperation callback routine calls FltSetCallbackDataDirty to indicate that it has modified the contents of the callback data structure.
FltSetCancelCompletion A minifilter driver calls FltSetCancelCompletion to specify a cancel routine to be called if a given I/O operation is canceled.
FltSetEaFile FltSetEaFile sets extended-attribute (EA) values for a file.
FltSetEcpListIntoCallbackData The FltSetEcpListIntoCallbackData routine attaches an extra create parameter context structure (ECP) list to a create operation callback-data object.
FltSetFileContext The FltSetFileContext routine sets a context for a file.
FltSetInformationFile FltSetInformationFile sets information for a given file.
FltSetInstanceContext FltSetInstanceContext sets a context for a minifilter driver instance.
FltSetIoPriorityHintIntoCallbackData The FltSetIoPriorityHintIntoCallbackData routine is used by a minifilter driver to set the I/O priority information in callback data.
FltSetIoPriorityHintIntoFileObject The FltSetIoPriorityHintIntoFileObject routine is used by a minifilter driver to set the I/O priority information in a file object.
FltSetIoPriorityHintIntoThread The FltSetIoPriorityHintIntoThread routine is used by a minifilter driver to set the IO priority information in a thread.
FltSetQuotaInformationFile The FltSetQuotaInformationFile routine modifies quota entries for a file object.
FltSetSecurityObject FltSetSecurityObject sets an object's security state.
FltSetStreamContext The FltSetStreamContext routine sets a context for a file stream.
FltSetStreamHandleContext The FltSetStreamHandleContext routine sets a context for a stream handle.
FltSetTransactionContext The FltSetTransactionContext routine sets a context on a transaction.
FltSetVolumeContext FltSetVolumeContext sets a context for a volume.
FltSetVolumeInformation FltSetVolumeInformation changes various kinds of information about the volume that the given instance is attached to.
FltStartFiltering FltStartFiltering starts filtering for a registered minifilter driver.
FltSupportsFileContexts The FltSupportsFileContexts routine determines whether the file system supports file contexts for a given file.
FltSupportsFileContextsEx The FltSupportsFileContextsEx routine determines whether the file system or the filter manager support file contexts for a given file.
FltSupportsStreamContexts FltSupportsStreamContexts determines whether stream contexts are supported on a given file object.
FltSupportsStreamHandleContexts FltSupportsStreamHandleContexts determines whether stream handle contexts are supported on a given file object.
FltTagFile FltTagFile sets a reparse tag on a file or directory.
FltTagFileEx FltTagFileEx sets a reparse flag on a file or directory.
FltUninitializeFileLock The FltUninitializeFileLock routine uninitializes a FILE_LOCK structure.
FltUninitializeOplock FltUninitializeOplock uninitializes an opportunistic lock (oplock) pointer.
FltUnloadFilter A minifilter driver that has loaded a supporting minifilter driver by calling FltLoadFilter can unload the minifilter driver by calling FltUnloadFilter.
FltUnregisterFilter A registered minifilter driver calls FltUnregisterFilter to unregister itself so that the Filter Manager no longer calls it to process I/O operations.
FltUntagFile FltUntagFile removes a reparse point from a file or directory.
FltVetoBypassIo Learn more about the FltVetoBypassIO function.
FltWriteFile Learn more about the FltWriteFile function.
FltWriteFileEx Learn more about the FltWriteFileEx function.
FREE_VIRTUAL_MEMORY_EX_CALLBACK Learn more about the FREE_VIRTUAL_MEMORY_EX_CALLBACK callback function.
FsRtlAcknowledgeEcp Learn more about the FsRtlAcknowledgeEcp routine.
FsRtlAcquireFileExclusive Microsoft reserves the FsRtlAcquireFileExclusive function for internal use only. Don't use this function in your code.
FsRtlAddBaseMcbEntryEx The FsRtlAddBaseMcbEntryEx function is used to add a new mapping of virtual block numbers (VBN's) to logical block numbers (LBN's) to an existing map control block (MCB).
FsRtlAddLargeMcbEntry The FsRtlAddLargeMcbEntry routine adds a new mapping to an existing map control block (MCB).
FsRtlAddMcbEntry The FsRtlAddMcbEntry function is obsolete.
FsRtlAddToTunnelCache The FsRtlAddToTunnelCache routine caches a file name that is removed from a directory when a file is renamed or deleted.
FsRtlAllocateAePushLock Learn more about the FsRtlAllocateAePushLock macro.
FsRtlAllocateExtraCreateParameter The FsRtlAllocateExtraCreateParameter routine allocates memory for an extra create parameter (ECP) context structure and generates a pointer to that structure.
FsRtlAllocateExtraCreateParameterFromLookasideList The FsRtlAllocateExtraCreateParameterFromLookasideList routine allocates memory pool from a given lookaside list for an extra create parameter (ECP) context structure, and generates a pointer to that structure.
FsRtlAllocateExtraCreateParameterList Learn more about the FsRtlAllocateExtraCreateParameterList function.
FsRtlAllocateFileLock The FsRtlAllocateFileLock routine allocates and initializes a new FILE_LOCK structure.
FsRtlAllocatePoolWithQuotaTag Learn more about the FsRtlAllocatePoolWithQuotaTag function.
FsRtlAllocatePoolWithTag Learn more about the FsRtlAllocatePoolWithTag function.
FsRtlAllocateResource The FsRtlAllocateResource function is obsolete.
FsRtlAreNamesEqual The FsRtlAreNamesEqual routine determines whether two Unicode strings are equal.
FsRtlAreThereCurrentFileLocks The FsRtlAreThereCurrentFileLocks macro checks whether any byte range locks exist for the specified file.
FsRtlAreThereCurrentOrInProgressFileLocks TheFsRtlAreThereCurrentOrInProgressFileLocks routine determines if there are byte range locks assigned to a file or any lock operations in progress for that file.
FsRtlAreThereWaitingFileLocks The FsRtlAreThereWaitingFileLocks routine checks a file lock queue for any waiting file locks.
FsRtlAreVolumeStartupApplicationsComplete The FsRtlAreVolumeStartupApplicationsComplete function determines whether volume startup applications have completed processing.
FsRtlBalanceReads The FsRtlBalanceReads routine signals to a fault-tolerant disk driver that it is now safe to start balancing reads from a mirrored drive.
FsRtlCancellableWaitForMultipleObjects The FsRtlCancellableWaitForMultipleObjects routine executes a cancelable wait operation (a wait that can be terminated) on one or more dispatcher objects.
FsRtlCancellableWaitForSingleObject The FsRtlCancellableWaitForSingleObject routine executes a cancelable wait operation (a wait that can be terminated) on a dispatcher object.
FsRtlChangeBackingFileObject The FsRtlChangeBackingFileObject routine replaces the current file object with a new file object.
FsRtlCheckLockForOplockRequest Learn more about the FsRtlCheckLockForOplockRequest routine.
FsRtlCheckLockForReadAccess The FsRtlCheckLockForReadAccess routine determines whether the process associated with a given IRP has read access to a locked region of a file.
FsRtlCheckLockForWriteAccess The FsRtlCheckLockForWriteAccess routine determines whether the process associated with a given IRP has write access to a locked region of a file.
FsRtlCheckOplock Learn more about the FsRtlCheckOplock function.
FsRtlCheckOplock Learn how the FsRtlCheckOplock routine synchronizes the IRP for a file I/O operation with the file's current opportunistic lock (oplock) state.
FsRtlCheckOplockEx Learn more about the FsRtlCheckOplockEx function.
FsRtlCheckOplockEx2 FsRtlCheckOplockEx2 synchronizes the IRP for a file I/O operation with the current opportunistic lock (oplock) state of the file.
FsRtlCheckUpperOplock Learn more about the FsRtlCheckUpperOplock routine.
FsRtlCompleteRequest The FsRtlCompleteRequest macro completes an IRP with the specified status.
FsRtlCopyRead Learn more about the FsRtlCopyRead function.
FsRtlCopyWrite Learn more about the FsRtlCopyWrite function.
FsRtlCreateSectionForDataScan The FsRtlCreateSectionForDataScan routine creates a section object.
FsRtlCurrentBatchOplock A file system or filter driver calls FsRtlCurrentBatchOplock to determine whether there are any batch or filter opportunistic locks (oplocks) on a file.
FsRtlCurrentOplock A file system or filter driver calls FsRtlCurrentOplock to determine whether there are any opportunistic locks (oplocks) on a file.
FsRtlCurrentOplockH A file system or filter driver calls FsRtlCurrentOplockH to determine whether there are any CACHE_HANDLE_LEVEL opportunistic locks (oplocks) on a file.
FsRtlDeleteExtraCreateParameterLookasideList The FsRtlDeleteExtraCreateParameterLookasideList routine frees an extra create parameter (ECP) lookaside list.
FsRtlDeleteKeyFromTunnelCache The FsRtlDeleteKeyFromTunnelCache routine deletes any tunnel cache entries for files in a directory that is being deleted.
FsRtlDeleteTunnelCache The FsRtlDeleteTunnelCache routine deletes a tunnel cache.
FsRtlDeregisterUncProvider The FsRtlDeregisterUncProvider routine deregisters a redirector that was registered as a Universal Naming Convention (UNC) provider with the multiple UNC provider (MUP).
FsRtlDissectDbcs Given an ANSI or double-byte character set (DBCS) pathname string, the FsRtlDissectDbcs routine returns two strings:_one containing the first file name found in the string, the other containing the remaining unparsed portion of the pathname string.
FsRtlDissectName Given a Unicode pathname string, the FsRtlDissectName routine returns two strings, one containing the first file name found in the string, the other containing the remaining unparsed portion of the pathname string.
FsRtlDoesDbcsContainWildCards The FsRtlDoesDbcsContainWildCards routine determines whether an ANSI or double-byte character set (DBCS) string contains wildcard characters.
FsRtlDoesNameContainWildCards The FsRtlDoesNameContainWildCards routine determines whether a Unicode string contains wildcard characters.
FsRtlFastCheckLockForRead The FsRtlFastCheckLockForRead routine determines whether the specified process has read access to a locked byte range of a file.
FsRtlFastCheckLockForWrite The FsRtlFastCheckLockForWrite routine determines whether the specified process has write access to a locked byte range of a file.
FsRtlFastLock The FsRtlFastLock macro is used by file systems and filter drivers to request a byte-range lock for a file stream.
FsRtlFastUnlockAll The FsRtlFastUnlockAll routine releases all byte-range locks that were acquired by the specified process for a file.
FsRtlFastUnlockAllByKey The FsRtlFastUnlockAllByKey routine releases all byte-range locks that were acquired by the specified process, with the specified key value, for a file.
FsRtlFastUnlockSingle The FsRtlFastUnlockSingle routine releases a byte-range lock that was acquired by the specified process, with the specified key value, file offset, and length, for a file.
FsRtlFindExtraCreateParameter The FsRtlFindExtraCreateParameter routine searches a given ECP list for an ECP context structure of a given type and returns a pointer to this structure if it is found.
FsRtlFindInTunnelCache Learn more about the FsRtlFindInTunnelCache function.
FsRtlFreeAePushLock Learn more about the FsRtlFreeAePushLock macro.
FsRtlFreeExtraCreateParameter The FsRtlFreeExtraCreateParameter routine frees the memory for an ECP context structure.
FsRtlFreeExtraCreateParameterList The FsRtlFreeExtraCreateParameterList routine frees an extra create parameter (ECP) list structure.
FsRtlFreeFileLock The FsRtlFreeFileLock routine uninitializes and frees a file lock structure.
FsRtlGetBypassIoOpenCount FsRtlGetBypassIoOpenCount returns a count of how many BypassIO opens there are for a given stream.
FsRtlGetBypassIoOpenCountPtr FsRtlGetBypassIoOpenCountPtr returns a pointer to the count of how many BypassIO opens there are for a given stream.
FsRtlGetEcpListFromIrp The FsRtlGetEcpListFromIrp routine returns a pointer to an extra create parameter (ECP) context structure list that is associated with a given IRP_MJ_CREATE operation.
FsRtlGetFileSize The FsRtlGetFileSize routine is used to get the size of a file.
FsRtlGetNextExtraCreateParameter The FsRtlGetNextExtraCreateParameter routine returns a pointer to the next (or first) extra create parameter (ECP) context structure in a given ECP list.
FsRtlGetNextFileLock The FsRtlGetNextFileLock routine is used to enumerate the byte-range locks that currently exist for a specified file.
FsRtlGetNextLargeMcbEntry The FsRtlGetNextLargeMcbEntry routine retrieves a mapping run from a map control block (MCB).
FsRtlGetNextMcbEntry Learn more about the FsRtlGetNextMcbEntry function.
FsRtlGetPerStreamContextPointer The FsRtlGetPerStreamContextPointer macro returns the file system's stream context for a file stream.
FsRtlGetSectorSizeInformation The FsRtlGetSectorSizeInformation routine retrieves the physical and logical sector size information for a storage volume.
FsRtlGetSupportedFeatures The FsRtlGetSupportedFeatures routine returns the supported features of a volume attached to the specified device object.
FsRtlIncrementCcFastMdlReadWait The FsRtlIncrementCcFastMdlReadWait routine increments the cache manager's CcFastMdlReadWait performance counter member in a processor control block (PRCB) object.
FsRtlIncrementCcFastReadNotPossible The FsRtlIncrementCcFastReadNotPossible routine increments the CcFastReadNotPossible performance counter in a per processor control block of cache manager system counters.
FsRtlIncrementCcFastReadNoWait The FsRtlIncrementCcFastReadNoWait routine increments the CcFastReadNoWait performance counter in a per processor control block of cache manager system counters.
FsRtlIncrementCcFastReadResourceMiss The FsRtlIncrementCcFastReadResourceMiss routine increments the CcFastReadNotPossible performance counter in a per processor control block of cache manager system counters.
FsRtlIncrementCcFastReadWait The FsRtlIncrementCcFastReadWait routine increments the CcFastReadWait performance counter in a per processor control block of cache manager system counters.
FsRtlInitExtraCreateParameterLookasideList The FsRtlInitExtraCreateParameterLookasideList routine initializes a paged or nonpaged pool lookaside list used for the allocation of one or more extra create parameter context structures (ECPs) of fixed size.
FsRtlInitializeBaseMcb FsRtlInitializeBaseMcb initializes a new map control block (MCB) structure.
FsRtlInitializeBaseMcbEx FsRtlInitializeBaseMcbEx initializes a new MCB structure.
FsRtlInitializeExtraCreateParameter The FsRtlInitializeExtraCreateParameter routine initializes an extra create parameter (ECP) context structure.
FsRtlInitializeExtraCreateParameterList The FsRtlInitializeExtraCreateParameterList routine initializes an extra create parameter (ECP) context structure list.
FsRtlInitializeFileLock The FsRtlInitializeFileLock routine initializes a FILE_LOCK structure.
FsRtlInitializeLargeMcb Learn more about the FsRtlInitializeLargeMcb function.
FsRtlInitializeMcb The FsRtlInitializeMcb function is obsolete.
FsRtlInitializeOplock FsRtlInitializeOplock initializes an opportunistic lock (oplock) pointer.
FsRtlInitializeTunnelCache The FsRtlInitializeTunnelCache routine initializes a new tunnel cache for a volume.
FsRtlInitPerStreamContext The FsRtlInitPerStreamContext macro initializes a filter driver context structure.
FsRtlInsertExtraCreateParameter The FsRtlInsertExtraCreateParameter routine inserts an extra create parameter (ECP) context structure into an ECP list.
FsRtlInsertPerFileContext The FsRtlInsertPerFileContext routine associates a FSRTL_PER_FILE_CONTEXT object with a driver-specified context object for a file.
FsRtlInsertPerFileObjectContext For a "legacy" file system filter driver, the FsRtlInsertPerFileObjectContext function associates context information with a file object.
FsRtlInsertPerStreamContext The FsRtlInsertPerStreamContext routine associates a file system filter driver's per-stream context structure with a file stream.
FsRtlIsAnsiCharacterLegal The FsRtlIsAnsiCharacterLegal macro determines whether a character is a legal ANSI character.
FsRtlIsAnsiCharacterLegalFat The FsRtlIsAnsiCharacterLegalFat macro determines whether an ANSI character is legal for FAT file names.
FsRtlIsAnsiCharacterLegalHpfs The FsRtlIsAnsiCharacterLegalHpfs macro determines whether an ANSI character is legal for HPFS file names.
FsRtlIsAnsiCharacterLegalNtfs The FsRtlIsAnsiCharacterLegalNtfs macro determines whether an ANSI character is legal for NTFS file names.
FsRtlIsAnsiCharacterLegalNtfsStream The FsRtlIsAnsiCharacterLegalNtfsStream macro determines whether an ANSI character is legal for NTFS stream names.
FsRtlIsAnsiCharacterWild The FsRtlIsAnsiCharacterWild macro determines whether an ANSI character is a wildcard character.
FsRtlIsDaxVolume This routine queries if the specified file is on a direct access (DAX) volume.
FsRtlIsDbcsInExpression The FsRtlIsDbcsInExpression routine determines whether an ANSI or double-byte character set (DBCS) string matches the specified pattern.
FsRtlIsEcpAcknowledged The FsRtlIsEcpAcknowledged routine is used to determine if a given extra create parameter (ECP) context structure has been marked as acknowledged.
FsRtlIsEcpFromUserMode The FsRtlIsEcpFromUserMode routine determines whether an extra create parameter (ECP) context structure originated from user mode.
FsRtlIsFatDbcsLegal The FsRtlIsFatDbcsLegal routine determines whether the specified ANSI or double-byte character set (DBCS) string is a legal FAT file name.
FsRtlIsHpfsDbcsLegal Learn more about the FsRtlIsHpfsDbcsLegal function.
FsRtlIsLeadDbcsCharacter The FsRtlIsLeadDbcsCharacter macro determines whether a character is a lead byte (the first byte of a character) in a double-byte character set (DBCS).
FsRtlIsNameInExpression The FsRtlIsNameInExpression routine determines whether a Unicode string matches the specified pattern.
FsRtlIsNameInUnUpcasedExpression The FsRtlIsNameInUnUpcasedExpression routine determines whether a Unicode string matches the specified pattern.
FsRtlIsNtstatusExpected The FsRtlIsNtstatusExpected routine determines whether the specified exception is handled by the exception filter.
FsRtlIsPagingFile The FsRtlIsPagingFile routine determines whether a given file is a paging file.
FsRtlIssueDeviceIoControl Learn more about the FsRtlIssueDeviceIoControl routine.
FsRtlIsSystemPagingFile Learn more about the FsRtlIsSystemPagingFile routine.
FsRtlIsTotalDeviceFailure The FsRtlIsTotalDeviceFailure function (ntddk.h) determines whether a media or other hardware failure has occurred.
FsRtlIsTotalDeviceFailure The FsRtlIsTotalDeviceFailure function (ntifs.h) determines whether a media or other hardware failure has occurred.
FsRtlIsUnicodeCharacterWild The FsRtlIsUnicodeCharacterWild macro determines whether a Unicode character is a wildcard character.
FsRtlKernelFsControlFile Learn more about the FsRtlKernelFsControlFile function.
FsRtlLogCcFlushError The FsRtlLogCcFlushError routine logs a lost delayed-write error and displays a dialog box to the user.
FsRtlLookupBaseMcbEntry The FsRtlLookupBaseMcbEntry routine retrieves the mapping of a Vbn to an Lbn from an Mcb. It indicates if the mapping exists and the size of the run.
FsRtlLookupLargeMcbEntry Learn more about the FsRtlLookupLargeMcbEntry function.
FsRtlLookupLastLargeMcbEntry Learn more about the FsRtlLookupLastLargeMcbEntry function.
FsRtlLookupLastLargeMcbEntryAndIndex Learn more about the FsRtlLookupLastLargeMcbEntryAndIndex function.
FsRtlLookupLastMcbEntry Learn more about the FsRtlLookupLastMcbEntry function.
FsRtlLookupMcbEntry The FsRtlLookupMcbEntry function is obsolete.
FsRtlLookupPerFileContext The FsRtlLookupPerFileContext routine returns a pointer to a FSRTL_PER_FILE_CONTEXT object that is associated with a specified file.
FsRtlLookupPerFileObjectContext For a "legacy" file system filter driver, the FsRtlLookupPerFileObjectContext function retrieves context information previously associated with a file object.
FsRtlLookupPerStreamContext The FsRtlLookupPerStreamContext macro retrieves a per-stream context structure for a file stream.
FsRtlLookupPerStreamContextInternal Learn more about the FsRtlLookupPerStreamContextInternal function.
FsRtlMdlReadCompleteDev The FsRtlMdlReadCompleteDev routine completes the read operation that the FsRtlMdlReadDev routine initiated.
FsRtlMdlReadDev The FsRtlMdlReadDev routine returns a memory descriptor list (MDL) that points directly to the specified byte range in the file cache.
FsRtlMdlReadEx Learn more about the FsRtlMdlReadEx routine.
FsRtlMdlWriteCompleteDev The FsRtlMdlWriteCompleteDev routine in ntifs.h frees the resources that FsRtlPrepareMdlWriteDev allocated.
FsRtlMupGetProviderIdFromName The FsRtlMupGetProviderIdFromName routine gets the provider identifier of a network redirector that is registered with the multiple UNC provider (MUP) from the device name of the network redirector.
FsRtlMupGetProviderInfoFromFileObject The FsRtlMupGetProviderInfoFromFileObject routine gets information about a network redirector that is registered with the multiple UNC provider (MUP) from a file object for a file that is located on a remote file system.
FsRtlNormalizeNtstatus The FsRtlNormalizeNtstatus routine translates an arbitrary exception into a status value that is handled by the exception filter.
FsRtlNotifyCleanup When the last handle to a file object is released, the FsRtlNotifyCleanup routine removes the file object's notify structure, if present, from the specified notify list.
FsRtlNotifyCleanupAll The FsRtlNotifyCleanupAll routine removes all members of the specified notification list.
FsRtlNotifyFilterChangeDirectory The FsRtlNotifyFilterChangeDirectory routine creates a notify structure for an IRP_MN_NOTIFY_CHANGE_DIRECTORY request and adds it to the specified notify list.
FsRtlNotifyFilterReportChange FsRtlNotifyFilterReportChange completes IRP_MN_NOTIFY_CHANGE_DIRECTORY requests that are pending in the specified notify list.
FsRtlNotifyFullChangeDirectory The FsRtlNotifyFullChangeDirectory routine creates a notify structure for a notification request and adds it to the specified notify list.
FsRtlNotifyFullChangeDirectory Learn how the FsRtlNotifyFullChangeDirectory routine creates a notify structure for a notification request and adds it to the specified notify list.
FsRtlNotifyFullReportChange The FsRtlNotifyFullReportChange routine completes pending notify change IRPs.
FsRtlNotifyInitializeSync The FsRtlNotifyInitializeSync routine allocates and initializes a synchronization object for a notify list.
FsRtlNotifyUninitializeSync The FsRtlNotifyUninitializeSync routine deallocates the synchronization object for a notify list.
FsRtlNotifyVolumeEvent The FsRtlNotifyVolumeEvent routine notifies any registered applications that a volume event is occurring.
FsRtlNotifyVolumeEventEx The FsRtlNotifyVolumeEventEx routine notifies any registered applications that a volume event is occurring. Volume events include the volume being locked, unlocked, mounted, or made read-only.
FsRtlNumberOfRunsInLargeMcb The FsRtlNumberOfRunsInLargeMcb routine returns the number of runs in a map control block (MCB).
FsRtlNumberOfRunsInMcb The FsRtlNumberOfRunsInMcb function is obsolete.
FsRtlOplockBreakH The FsRtlOplockBreakH routine breaks CACHE_HANDLE_LEVEL opportunistic locks (oplocks).
FsRtlOplockBreakToNone The FsRtlOplockBreakToNone function is obsolete.
FsRtlOplockBreakToNoneEx The FsRtlOplockBreakToNoneEx routine breaks all opportunistic locks (oplocks) immediately without regard for any oplock key.
FsRtlOplockFsctrl FsRtlOplockFsctrl performs various opportunistic lock (oplock) operations on behalf of a file system or filter driver.
FsRtlOplockFsctrlEx The FsRtlOplockFsctrlEx routine performs various opportunistic lock (oplock) operations on behalf of a file system or filter driver.
FsRtlOplockGetAnyBreakOwnerProcess FsRtlOplockGetAnyBreakOwnerProcess gets an owner of an allegedly breaking oplock.
FsRtlOplockIsFastIoPossible Learn more about the FsRtlOplockIsFastIoPossible function.
FsRtlOplockIsFastIoPossible Learn how the FsRtlOplockIsFastIoPossible checks a file's opportunistic lock (oplock) state to determine whether fast I/O can be performed on the file.
FsRtlOplockIsSharedRequest The FsRtlOplockIsSharedRequest routine determines if a request for an opportunistic lock (oplock) wants a shared oplock.
FsRtlOplockKeysEqual The FsRtlOplockKeysEqual routine compares the opportunistic lock (oplock) keys that are stored in the file object extensions of two file objects.
FsRtlPostPagingFileStackOverflow The FsRtlPostPagingFileStackOverflow routine posts a paging file stack overflow item to the stack overflow thread.
FsRtlPostStackOverflow The FsRtlPostStackOverflow routine posts a stack overflow item to the stack overflow thread.
FsRtlPrepareMdlWriteDev The FsRtlPrepareMdlWriteDev routine returns a linked list of memory descriptor lists (MDLs) that point to the specified range of cached file data to write data directly to the cache.
FsRtlPrepareMdlWriteEx The FsRtlPrepareMdlWriteEx routine returns a linked list of memory descriptor lists (MDLs) that point to the specified range of cached file data to write data directly to the cache.
FsRtlPrepareToReuseEcp Learn more about the FsRtlPrepareToReuseEcp routine.
FsRtlPrivateLock The FsRtlPrivateLock function is obsolete.
FsRtlProcessFileLock The FsRtlProcessFileLock routine processes and completes an IRP for a file lock operation.
FsRtlQueryCachedVdl The current valid data length (VDL) for a cached file is retrieved with the FsRtlQueryCachedVdl routine.
FsRtlQueryKernelEaFile The routine FsRtlQueryKernelEaFile is used to build an explicit QueryEA request and synchronously wait for it to complete, returning the result. This allows the caller to do this by FileObject instead of a handle.
FsRtlRegisterFileSystemFilterCallbacks File system filter drivers and file systems call the FsRtlRegisterFileSystemFilterCallbacks routine to register notification callback routines to be invoked when the underlying file system performs certain operations.
FsRtlRegisterUncProvider The FsRtlRegisterUncProvider routine registers a network redirector as a universal naming convention (UNC) provider with the system multiple UNC provider (MUP).
FsRtlRegisterUncProviderEx The FsRtlRegisterUncProviderEx routine registers a network redirector as a universal naming convention (UNC) provider with the system multiple UNC provider (MUP).
FsRtlReleaseFile Microsoft reserves the FsRtlReleaseFile function for internal use only. Don't use this function in your code.
FsRtlRemoveBaseMcbEntry The FsRtlRemoveBaseMcbEntry function is the work routine for removing a large mcb entry. It does so without taking out the mcb GuardedMutex.
FsRtlRemoveDotsFromPath The FsRtlRemoveDotsFromPath routine removes unnecessary occurrences of '.' and '..' from the specified path.
FsRtlRemoveExtraCreateParameter The FsRtlRemoveExtraCreateParameter routine searches an ECP list for an ECP context structure and, if found, detaches it from the ECP list.
FsRtlRemoveLargeMcbEntry The FsRtlRemoveLargeMcbEntry routine removes one or more mappings from a map control block (MCB).
FsRtlRemoveMcbEntry The FsRtlRemoveMcbEntry function is obsolete.
FsRtlRemovePerFileContext Learn more about the FsRtlRemovePerFileContext function.
FsRtlRemovePerFileObjectContext For a "legacy" file system filter driver, the FsRtlRemovePerFileObjectContext function unlinks a per-file-object context information structure from the list of per-file-object contexts previously associated with a file object.
FsRtlRemovePerStreamContext Learn more about the FsRtlRemovePerStreamContext function.
FsRtlResetLargeMcb The FsRtlResetLargeMcb routine truncates a map control block (MCB) structure to contain zero mapping pairs. It does not shrink the mapping pairs array.
FsRtlSetEcpListIntoIrp The FsRtlSetEcpListIntoIrp routine attaches an extra create parameter (ECP) context structure list to an IRP_MJ_CREATE operation.
FsRtlSetKernelEaFile The routine FsRtlQueryKernelEaFile is used to set, modify and/or delete extended attribute (EA) values for a file and synchronously wait for it to complete, returning a result.
FsRtlSetupAdvancedHeader The FsRtlSetupAdvancedHeader macro is used by file systems to initialize an FSRTL_ADVANCED_FCB_HEADER structure for use with filter contexts.
FsRtlSetupAdvancedHeaderEx The FsRtlSetupAdvancedHeaderEx macro is used by file systems to initialize an FSRTL_ADVANCED_FCB_HEADER structure for use with both stream and file contexts.
FsRtlSetupAdvancedHeaderEx2 Learn more about the FsRtlSetupAdvancedHeaderEx2 function.
FsRtlSplitLargeMcb The FsRtlSplitLargeMcb routine inserts a hole into the mappings in a map control block (MCB).
FsRtlSupportsPerFileContexts The FsRtlSupportsPerFileContexts macro checks if per file context information is supported by the file system that is associated with a specified FILE_OBJECT.
FsRtlTeardownPerFileContexts File systems call theFsRtlTeardownPerFileContexts routine to free FSRTL_PER_FILE_CONTEXT objects that are associated with a file control block (FCB) structure.
FsRtlTeardownPerStreamContexts The FsRtlTeardownPerStreamContexts routine frees all per-stream context structures associated with a given FSRTL_ADVANCED_FCB_HEADER structure.
FsRtlTestAnsiCharacter The FsRtlTestAnsiCharacter macro determines whether an ANSI or double-byte character set (DBCS) character meets the specified criteria.
FsRtlTruncateLargeMcb The FsRtlTruncateLargeMcb routine truncates a large map control block (MCB).
FsRtlTruncateMcb The FsRtlTruncateMcb function is obsolete.
FsRtlUninitializeBaseMcb The FsRtlUninitializeBaseMcb function uninitializes a map control block (MCB) structure. After calling this routine the input Mcb structure must be re-initialized before being used again.
FsRtlUninitializeFileLock The FsRtlUninitializeFileLock routine uninitializes a FILE_LOCK structure.
FsRtlUninitializeLargeMcb The FsRtlUninitializeLargeMcb routine uninitializes a large map-control block (MCB).
FsRtlUninitializeMcb The FsRtlUninitializeMcb function is obsolete.
FsRtlUninitializeOplock FsRtlUninitializeOplock uninitializes an opportunistic lock (oplock) pointer.
FsRtlUpperOplockFsctrl Learn more about the FsRtlUpperOplockFsctrl routine.
FsRtlValidateReparsePointBuffer The FsRtlValidateReparsePointBuffer routine verifies that the specified reparse point buffer is valid.
GetSecurityUserInfo The GetSecurityUserInfo function retrieves information about a logon session.
IoAcquireVpbSpinLock Learn more about the IoAcquireVpbSpinLock function.
IoAttachDeviceToDeviceStackSafe The IoAttachDeviceToDeviceStackSafe routine attaches the caller's device object to the topmost device object in a driver stack.
IoCancelFileOpen The IoCancelFileOpen routine can be used by a file system filter driver to close a file that has been opened by a file system driver in the filter driver's device stack.
IoCheckDesiredAccess Microsoft reserves the IoCheckDesiredAccess function for internal use only. Don't use this function in your code.
IoCheckEaBufferValidity Learn more about the IoCheckEaBufferValidity function.
IoCheckFunctionAccess Microsoft reserves the IoCheckFunctionAccess function for internal use only. Don't use this function in your code.
IoCheckQuerySetFileInformation Microsoft reserves the IoCheckQuerySetFileInformation function for internal use only. Don't use this function in your code.
IoCheckQuerySetVolumeInformation Microsoft reserves the IoCheckQuerySetVolumeInformation function for internal use only. Don't use this function in your code.
IoCheckQuotaBufferValidity Learn more about the IoCheckQuotaBufferValidity function.
IoCreateFileEx The IoCreateFileEx routine either causes a new file or directory to be created, or opens an existing file, device, directory, or volume and gives the caller a handle for the file object.
IoCreateFileSpecifyDeviceObjectHint The IoCreateFileSpecifyDeviceObjectHint routine is used by file system filter drivers to send a create request only to the filters below a specified device object and to the file system.
IoCreateStreamFileObject The IoCreateStreamFileObject routine creates a new stream file object.
IoCreateStreamFileObjectEx The IoCreateStreamFileObjectEx routine creates a new stream file object.
IoCreateStreamFileObjectEx2 Learn more about the IoCreateStreamFileObjectEx2 routine.
IoCreateStreamFileObjectLite The IoCreateStreamFileObjectLite routine creates a new stream file object, but does not cause an IRP_MJ_CLEANUP request to be sent to the file system driver stack.
IoEnumerateDeviceObjectList Learn more about the IoEnumerateDeviceObjectList routine.
IoEnumerateRegisteredFiltersList The IoEnumerateRegisteredFiltersList routine enumerates the file system filter drivers that have registered with the system.
IoFastQueryNetworkAttributes Microsoft reserves the IoFastQueryNetworkAttributes function for internal use only. Don't use this function in your code.
IoGetAttachedDevice Learn more about the IoGetAttachedDevice function.
IoGetBaseFileSystemDeviceObject Microsoft reserves the IoGetBaseFileSystemDeviceObject function for internal use only. Don't use this function in your code.
IoGetDeviceAttachmentBaseRef The IoGetDeviceAttachmentBaseRef routine returns a pointer to the lowest-level device object in a file system or device driver stack.
IoGetDeviceToVerify Learn more about the IoGetDeviceToVerify function.
IoGetDiskDeviceObject The IoGetDiskDeviceObject routine retrieves a pointer to the disk device object associated with a given file system volume device object.
IoGetLowerDeviceObject Learn more about the IoGetLowerDeviceObject function.
IoGetOplockKeyContext The IoGetOplockKeyContext routine returns a target oplock key context for a file object.
IoGetOplockKeyContextEx The IoGetOplockKeyContextEx routine returns a dual oplock key context for a file object.
IoGetRequestorProcess The IoGetRequestorProcess routine returns a process pointer for the thread that originally requested a given I/O operation.
IoGetRequestorProcessId The IoGetRequestorProcessId routine returns the unique 32-bit process ID for the thread that originally requested a given I/O operation.
IoGetRequestorSessionId The IoGetRequestorSessionId routine returns the session ID for the process that originally requested a given I/O operation.
IoGetSiloParameters This routine indicates if a file is within a Container context.
IoGetTopLevelIrp The IoGetTopLevelIrp routine in ntifs.h returns the value of the TopLevelIrp field of the current thread.
IoGetTopLevelIrp The IoGetTopLevelIrp routine in wdm.h returns the value of the TopLevelIrp field of the current thread.
IoGetTransactionParameterBlock The IoGetTransactionParameterBlock routine returns the transaction parameter block for a transacted file operation.
IoInitializeDriverCreateContext The IoInitializeDriverCreateContext routine initializes a caller-allocated variable of type IO_DRIVER_CREATE_CONTEXT.
IoInitializePriorityInfo The IoInitializePriorityInfo routine initializes a structure of type IO_PRIORITY_INFO.
IoIsFileObjectIgnoringSharing The IoIsFileObjectIgnoringSharing routine determines if a file object is set with the option to ignore file sharing access checks.
IoIsFileOpenedExclusively Microsoft reserves the IoIsFileOpenedExclusively macro for internal use only. Don't use this macro in your code.
IoIsFileOriginRemote The IoIsFileOriginRemote routine determines whether a given file object is for a remote create request.
IoIsOperationSynchronous Learn more about the IoIsOperationSynchronous function.
IoIsSystemThread The IoIsSystemThread routine checks whether a given thread is a system thread.
IoIsValidNameGraftingBuffer Microsoft reserves the IoIsValidNameGraftingBuffer function for internal use only. Don't use this function in your code.
IoPageRead Microsoft reserves the IoPageRead function for internal use only. Don't use this function in your code.
IoQueryFileDosDeviceName The IoQueryFileDosDeviceName routine retrieves an MS-DOS device name for a file.
IoQueryFileInformation Microsoft reserves the IoQueryFileInformation function for internal use only. Don't use this function in your code.
IoQueryVolumeInformation Microsoft reserves the IoQueryVolumeInformation function for internal use only. Don't use this function in your code.
IoQueueThreadIrp Microsoft reserves the IoQueueThreadIrp function for internal use only. Don't use this function in your code.
IoRegisterFileSystem The IoRegisterFileSystem routine adds a file system's control device object to the global file system queue.
IoRegisterFsRegistrationChange Learn more about the IoRegisterFsRegistrationChange function.
IoRegisterFsRegistrationChangeEx The IoRegisterFsRegistrationChangeEx routine registers a file system filter driver's notification routine to be called whenever a file system registers or unregisters itself as an active file system.
IoRegisterFsRegistrationChangeMountAware The IoRegisterFsRegistrationChangeMountAware routine registers a file system filter driver's notification routine. This notification routine is called whenever a file system registers or unregisters itself as an active file system.
IoReleaseVpbSpinLock The IoReleaseVpbSpinLock routine releases the Volume Parameter Block (VPB) spin lock.
IoRemoveLinkShareAccessEx The IoRemoveLinkShareAccessEx routine removes the access and share access information in a file system Share Access structure for a given open instance.
IoReplaceFileObjectName Learn more about the IoReplaceFileObjectName routine.
IoSetDeviceToVerify Learn more about the IoSetDeviceToVerify routine.
IoSetFileObjectIgnoreSharing The IoSetFileObjectIgnoreSharing routine sets a file object to ignore file sharing access checks.
IoSetFileOrigin The IoSetFileOrigin routine specifies whether a given file object is for a remote create request.
IoSetInformation Microsoft reserves the IoSetInformation function for internal use only. Don't use this function in your code.
IoSetTopLevelIrp The IoSetTopLevelIrp routine in ntifs.h sets the value of the TopLevelIrp field of the current thread.
IoSetTopLevelIrp The IoSetTopLevelIrp routine in the rx.h file sets the value of the TopLevelIrp field of the current thread.
IoSetTopLevelIrp The IoSetTopLevelIrp routine in wdm.h sets the value of the TopLevelIrp field of the current thread.
IoSynchronousPageWrite Microsoft reserves the IoSynchronousPageWrite function for internal use only. Don't use this function in your code.
IoThreadToProcess The IoThreadToProcess routine returns a pointer to the process for the specified thread.
IoUnregisterFileSystem The IoUnregisterFileSystem routine removes a file system's control device object from the global file system queue.
IoUnregisterFsRegistrationChange The IoUnregisterFsRegistrationChange routine unregisters file system filter driver's file system registration change notification routine.
IoVerifyVolume Learn more about the IoVerifyVolume function.
IsReparseTagMicrosoft The IsReparseTagMicrosoft macro determines whether a reparse point tag indicates a Microsoft reparse point.
IsReparseTagNameSurrogate The IsReparseTagNameSurrogate macro determines whether a tag's associated reparse point is a surrogate for another named entity, such as a volume mount point.
IsReparseTagValid Microsoft reserves the IsReparseTagValid macro for internal use only. Don't use this macro in your code.
KeAcquireQueuedSpinLock Learn more about the KeAcquireQueuedSpinLock function.
KeAttachProcess The KeAttachProcess function is obsolete.
KeDetachProcess The KeDetachProcess function is obsolete.
KeInitializeMutant Microsoft reserves the KeInitializeMutant function for internal use only. Don't use this function in your code.
KeInitializeQueue The KeInitializeQueue routine initializes a queue object on which threads can wait for entries.
KeInsertHeadQueue The KeInsertHeadQueue routine inserts an entry at the head of the given queue if it cannot immediately use the entry to satisfy a thread wait.
KeInsertQueue The KeInsertQueue routine inserts an entry at the tail of the given queue if it cannot immediately use the entry to satisfy a thread wait.
KeQueryPerformanceCounter Learn more about the KeQueryPerformanceCounter routine.
KeReadStateMutant Microsoft reserves the KeReadStateMutant function for internal use only. Don't use this function in your code.
KeReadStateQueue Microsoft reserves the KeReadStateQueue function for internal use only. Don't use this function in your code.
KeReleaseMutant Microsoft reserves the KeReleaseMutant function for internal use only. Don't use this function in your code.
KeReleaseQueuedSpinLock Microsoft reserves the KeReleaseQueuedSpinLock function for internal use only. Don't use this function in your code.
KeRemoveQueue Learn more about the KeRemoveQueue function.
KeRundownQueue The KeRundownQueue routine cleans up a queue object, flushing any queued entries.
KeSetIdealProcessorThread Microsoft reserves the KeSetIdealProcessorThread function for internal use only. Don't use this function in your code.
KeStackAttachProcess The KeStackAttachProcess routine attaches the current thread to the address space of the target process.
KeTryToAcquireQueuedSpinLock Microsoft reserves the KeTryToAcquireQueuedSpinLock function for internal use only. Don't use this function in your code.
KeUnstackDetachProcess The KeUnstackDetachProcess routine detaches the current thread from the address space of a process and restores the previous attach state.
MapSecurityError The MapSecurityError function maps a security interface SECURITY_STATUS status code to a corresponding NSTATUS status code.
MmCanFileBeTruncated Learn more about the MmCanFileBeTruncated function.
MmDoesFileHaveUserWritableReferences The MmDoesFileHaveUserWritableReferences function returns the number of writable references for a file object.
MmFlushImageSection The MmFlushImageSection routine flushes the image section for a file.
MmForceSectionClosed The MmForceSectionClosed routine deletes the data and image sections for a file that is no longer in use.
MmForceSectionClosedEx The MmForceSectionClosedEx function examines the section object pointers. If they are NULL, no further action is taken and the value TRUE is returned.
MmGetMaximumFileSectionSize The MmGetMaximumFileSectionSize returns the maximum possible size of a file section for the current version of Windows.
MmIsRecursiveIoFault The MmIsRecursiveIoFault routine determines whether the current page fault is occurring during an I/O operation.
MmPrefetchPages The MmPrefetchPages routine reads groups of pages from secondary storage in the optimal fashion.
MmSetAddressRangeModified The MmSetAddressRangeModified routine marks currently valid pages in the specified range of the system cache as modified.
NtQueryInformationByName Learn more about the NtQueryInformationByName function.
ObInsertObject Microsoft reserves the ObInsertObject function for internal use only. Don't use this function in your code.
ObIsKernelHandle The ObIsKernelHandle routine determines whether the specified handle is a kernel handle.
ObMakeTemporaryObject Microsoft reserves the ObMakeTemporaryObject function for internal use only. Don't use this function in your code.
ObOpenObjectByPointer The ObOpenObjectByPointer function opens an object referenced by a pointer and returns a handle to the object.
ObQueryNameString The ObQueryNameString routine supplies the name, if there is one, of a given object to which the caller has a pointer.
ObQueryObjectAuditingByHandle Microsoft reserves the ObQueryObjectAuditingByHandle function for internal use only. Don't use this function in your code.
PCOMPLETE_LOCK_IRP_ROUTINE Learn more about the PCOMPLETE_LOCK_IRP_ROUTINE callback function.
PFLT_COMPLETE_LOCK_CALLBACK_DATA_ROUTINE A minifilter driver can register a routine of type PFLT_COMPLETE_LOCK_CALLBACK_DATA_ROUTINE as the minifilter driver's CompleteLockCallbackDataRoutine callback routine for a FILE_LOCK structure.
PFLT_COMPLETED_ASYNC_IO_CALLBACK A minifilter driver that initiates an asynchronous I/O operation can specify a routine of type PFLT_COMPLETED_ASYNC_IO_CALLBACK routine to be called when the operation is completed.
PFLT_CONTEXT_ALLOCATE_CALLBACK A minifilter driver can register a routine of type PFLT_CONTEXT_ALLOCATE_CALLBACK as the minifilter driver's ContextAllocateCallback routine.
PFLT_CONTEXT_CLEANUP_CALLBACK A minifilter driver can register a routine of type PFLT_CONTEXT_CLEANUP_CALLBACK as the minifilter driver's ContextCleanupCallback routine.
PFLT_CONTEXT_FREE_CALLBACK A minifilter can register a routine of type PFLT_CONTEXT_FREE_CALLBACK as the minifilter driver's ContextFreeCallback routine.
PFLT_FILTER_UNLOAD_CALLBACK A minifilter driver can register a routine of type PFLT_FILTER_UNLOAD_CALLBACK as the minifilter driver's FilterUnloadCallback routine.
PFLT_GENERATE_FILE_NAME A minifilter driver that provides file names for the filter manager's name cache can register a routine of type PFLT_GENERATE_FILE_NAME as the minifilter driver's GenerateFileNameCallback routine.
PFLT_GET_OPERATION_STATUS_CALLBACK A minifilter driver can register a routine of type PFLT_GET_OPERATION_STATUS_CALLBACK as the minifilter driver's OperationStatusCallback routine.
PFLT_INSTANCE_QUERY_TEARDOWN_CALLBACK A minifilter driver can register a routine of type PFLT_INSTANCE_QUERY_TEARDOWN_CALLBACK as the minifilter driver's InstanceQueryTeardownCallback routine.
PFLT_INSTANCE_SETUP_CALLBACK A minifilter driver can register a routine of type PFLT_INSTANCE_SETUP_CALLBACK as the minifilter driver's InstanceSetupCallback routine.
PFLT_INSTANCE_TEARDOWN_CALLBACK A minifilter driver can register two routines of type PFLT_INSTANCE_TEARDOWN_CALLBACK as the minifilter driver's InstanceTeardownStartCallback and InstanceTeardownCompleteCallback routines.
PFLT_NORMALIZE_CONTEXT_CLEANUP A minifilter driver that provides file names for the filter manager's name cache can register a routine of type PFLT_NORMALIZE_CONTEXT_CLEANUP as the minifilter driver's NormalizeContextCleanupCallback routine.
PFLT_NORMALIZE_NAME_COMPONENT A minifilter driver that provides file names for the filter manager's name cache can register a routine of type PFLT_NORMALIZE_NAME_COMPONENT as the minifilter driver's NormalizeNameComponentCallback routine.
PFLT_NORMALIZE_NAME_COMPONENT_EX A minifilter driver that provides file names for the filter manager's name cache can register a routine of type PFLT_NORMALIZE_NAME_COMPONENT_EX as the minifilter driver's NormalizeNameComponentExCallback callback routine.
PFLT_POST_OPERATION_CALLBACK A minifilter driver can register one or more routines of type PFLT_POST_OPERATION_CALLBACK to perform completion processing for I/O operations.
PFLT_PRE_OPERATION_CALLBACK A minifilter driver's PFLT_PRE_OPERATION_CALLBACK routine performs pre-operation processing for I/O operations.
PFLT_SECTION_CONFLICT_NOTIFICATION_CALLBACK A minifilter driver can optionally register a routine of type PFLT_CONTEXT_ALLOCATE_CALLBACK as the minifilter driver's SectionNotificationCallback routine.
PFLT_TRANSACTION_NOTIFICATION_CALLBACK A minifilter driver can register a routine of type PFLT_TRANSACTION_NOTIFICATION_CALLBACK as its TransactionNotificationCallback routine.
PFSRTL_EXTRA_CREATE_PARAMETER_CLEANUP_CALLBACK A filter driver can register a PFSRTL_EXTRA_CREATE_PARAMETER_CLEANUP_CALLBACK-typed routine as the filter driver's CleanupCallback callback routine for an extra create parameter (ECP) context structure.
PMRX_CALLDOWN Learn more about the PMRX_CALLDOWN callback function.
PMRX_CALLDOWN_CTX Learn more about the PMRX_CALLDOWN_CTX callback function.
PMRX_CHANGE_BUFFERING_STATE_CALLDOWN Learn more about the PMRX_CHANGE_BUFFERING_STATE_CALLDOWN callback function.
PMRX_CHKDIR_CALLDOWN Learn more about the PMRX_CHKDIR_CALLDOWN callback function.
PMRX_CHKFCB_CALLDOWN Learn more about the PMRX_CHKFCB_CALLDOWN callback function.
PMRX_COMPUTE_NEW_BUFFERING_STATE Learn more about the PMRX_COMPUTE_NEW_BUFFERING_STATE callback function.
PMRX_CREATE_SRVCALL Learn more about the PMRX_CREATE_SRVCALL callback function.
PMRX_CREATE_V_NET_ROOT Learn more about the PMRX_CREATE_V_NET_ROOT callback function.
PMRX_DEALLOCATE_FOR_FCB Learn more about the PMRX_DEALLOCATE_FOR_FCB callback function.
PMRX_DEALLOCATE_FOR_FOBX Learn more about the PMRX_DEALLOCATE_FOR_FOBX callback function.
PMRX_EXTENDFILE_CALLDOWN Learn more about the PMRX_EXTENDFILE_CALLDOWN callback function.
PMRX_EXTRACT_NETROOT_NAME Learn more about the PMRX_EXTRACT_NETROOT_NAME callback function.
PMRX_FINALIZE_NET_ROOT_CALLDOWN Learn more about the PMRX_FINALIZE_NET_ROOT_CALLDOWN callback function.
PMRX_FINALIZE_SRVCALL_CALLDOWN Learn more about the PMRX_FINALIZE_SRVCALL_CALLDOWN callback function.
PMRX_FINALIZE_V_NET_ROOT_CALLDOWN Learn more about the PMRX_FINALIZE_V_NET_ROOT_CALLDOWN callback function.
PMRX_FORCECLOSED_CALLDOWN Learn more about the PMRX_FORCECLOSED_CALLDOWN callback function.
PMRX_GET_CONNECTION_ID Learn more about PMRX_GET_CONNECTION_ID callback function.
PMRX_IS_LOCK_REALIZABLE Learn more about the PMRX_IS_LOCK_REALIZABLE callback function.
PMRX_PREPARSE_NAME Learn more about the PMRX_PREPARSE_NAME callback function.
PMRX_SRVCALL_WINNER_NOTIFY Learn more about the PMRX_SRVCALL_WINNER_NOTIFY callback function.
PsChargePoolQuota Learn more about the PsChargePoolQuota function.
PsDereferenceImpersonationToken The PsDereferenceImpersonationToken routine decrements the reference count of an impersonation token.
PsDereferencePrimaryToken The PsDereferencePrimaryToken routine decrements the reference count of a primary token.
PsGetProcessExitTime The PsGetProcessExitTime routine returns the exit time for the current process.
PsImpersonateClient The PsImpersonateClient routine causes a server thread to impersonate a client.
PsIsDiskCountersEnabled The enabled state of the per process disk I/O counters is returned by the PsIsDiskCountersEnabled routine.
PsIsThreadTerminating The PsIsThreadTerminating routine checks whether a thread is terminating.
PsLookupProcessByProcessId The PsLookupProcessByProcessId routine accepts the process ID of a process and returns a referenced pointer to EPROCESS structure of the process.
PsLookupThreadByThreadId The PsLookupThreadByThreadId routine accepts the thread ID of a thread and returns a referenced pointer to the ETHREAD structure of the thread.
PsReferenceImpersonationToken Learn more about the PsReferenceImpersonationToken function.
PsReferencePrimaryToken Learn more about the PsReferencePrimaryToken function.
PsReturnPoolQuota Learn more about the PsReturnPoolQuota function.
PsRevertToSelf The PsRevertToSelf routine ends the calling thread's impersonation of a client.
PsUpdateDiskCounters The PsUpdateDiskCounters routine updates the disk I/O counters of a given process.
PUNLOCK_ROUTINE Learn more about the PUNLOCK_ROUTINE callback routine.
QUERY_VIRTUAL_MEMORY_CALLBACK Learn more about the QUERY_VIRTUAL_MEMORY_CALLBACK callback function.
RTL_HEAP_COMMIT_ROUTINE Learn more about the RTL_HEAP_COMMIT_ROUTINE callback routine.
RtlAbsoluteToSelfRelativeSD The RtlAbsoluteToSelfRelativeSD routine creates a new security descriptor in self-relative format by using a security descriptor in absolute format as a template.
RtlAddAccessAllowedAce The RtlAddAccessAllowedAce routine adds an access-allowed access control entry (ACE) to an access control list (ACL). The access is granted to the specified security identifier (SID).
RtlAddAccessAllowedAceEx Learn more about the RtlAddAccessAllowedAceEx function.
RtlAddAce Learn more about the RtlAddAce function.
RtlAllocateAndInitializeSid Microsoft reserves the RtlAllocateAndInitializeSid function for internal use only. Don't use this function in your code.
RtlAllocateHeap The RtlAllocateHeap routine allocates a block of memory from a heap.
RtlAppendStringToString The RtlAppendStringToString routine concatenates two counted strings. It copies bytes from the source up to the length of the destination buffer.
RtlCaptureContext The RtlCaptureContext function retrieves a context record in the context of the caller.
RtlCaptureStackBackTrace Learn more about the RtlCaptureStackBackTrace function.
RtlCompareMemoryUlong The RtlCompareMemoryUlong routine returns how many bytes in a block of memory match a specified pattern.
RtlCompressBuffer Learn more about the RtlCompressBuffer function.
RtlCompressChunks Microsoft reserves the RtlCompressChunks function for internal use only. Don't use this function in your code.
RtlConvertSidToUnicodeString The RtlConvertSidToUnicodeString routine generates a printable Unicode string representation of a security identifier (SID).
RtlCopyLuid The RtlCopyLuid routine copies a locally unique identifier (LUID) to a buffer.
RtlCopySid The RtlCopySid routine copies the value of a security identifier (SID) to a buffer.
RtlCreateAcl The RtlCreateAcl routine creates and initializes an access control list (ACL).
RtlCreateHeap The RtlCreateHeap routine creates a heap object that can be used by the calling process. This routine reserves space in the virtual address space of the process and allocates physical storage for a specified initial portion of this block.
RtlCreateSecurityDescriptorRelative The RtlCreateSecurityDescriptorRelative routine initializes a new security descriptor in self-relative format.
RtlCreateSystemVolumeInformationFolder The RtlCreateSystemVolumeInformationFolder routine verifies the existence of the "System Volume Information" folder on a file system volume. If the folder is not present, then the folder is created.
RtlCreateUnicodeString The RtlCreateUnicodeString routine creates a new counted Unicode string.
RtlCustomCPToUnicodeN Microsoft reserves the RtlCustomCPToUnicodeN function for internal use only. Don't use this function in your code.
RtlDecompressBuffer Learn more about the RtlDecompressBuffer function.
RtlDecompressBufferEx Learn more about the RtlDecompressBufferEx function.
RtlDecompressBufferEx2 Learn more about the RtlDecompressBufferEx2 function.
RtlDecompressChunks Microsoft reserves the RtlDecompressChunks function for internal use only. Don't use this function in your code.
RtlDecompressFragment Learn more about the RtlDecompressFragment function.
RtlDecompressFragmentEx Learn more about the RtlDecompressFragmentEx function.
RtlDelete The RtlDelete routine deletes the specified node from the splay link tree.
RtlDeleteAce Learn more about the RtlDeleteAce function.
RtlDeleteElementGenericTable The RtlDeleteElementGenericTable routine deletes an element from a generic table.
RtlDeleteElementGenericTableAvl The RtlDeleteElementGenericTableAvl routine deletes an element from a generic table.
RtlDeleteNoSplay The RtlDeleteNoSplay routine deletes the specified node from the splay link tree.
RtlDescribeChunk Microsoft reserves the RtlDescribeChunk function for internal use only. Don't use this function in your code.
RtlDestroyHeap The RtlDestroyHeap routine destroys the specified heap object. RtlDestroyHeap decommits and releases all the pages of a private heap object, and it invalidates the handle to the heap.
RtlDowncaseUnicodeString The RtlDowncaseUnicodeString routine converts the specified Unicode source string to lowercase. The translation conforms to the current system locale information.
RtlDrainNonVolatileFlush The routine RtlDrainNonVolatileFlush waits for the flushes initiated by RtlFlushNonVolatileMemory to finish.
RtlEnumerateGenericTable The RtlEnumerateGenericTable routine is used to enumerate the elements in a generic table.
RtlEnumerateGenericTableAvl The RtlEnumerateGenericTableAvl routine is used to enumerate the elements in a generic table.
RtlEnumerateGenericTableLikeADirectory The RtlEnumerateGenericTableLikeADirectory routine returns the elements of a generic table, one-by-one, in collation order.
RtlEnumerateGenericTableWithoutSplaying The RtlEnumerateGenericTableWithoutSplaying routine is used to enumerate the elements in a generic table.
RtlEnumerateGenericTableWithoutSplayingAvl The RtlEnumerateGenericTableWithoutSplayingAvl routine is used to enumerate the elements in a generic table.
RtlEqualPrefixSid The RtlEqualPrefixSid routine determines whether two security-identifier (SID) prefixes are equal. An SID prefix is the entire SID except for the last subauthority value.
RtlEqualSid The RtlEqualSid routine determines whether two security identifier (SID) values are equal. Two SIDs must match exactly to be considered equal.
RtlFillMemoryUlong The RtlFillMemoryUlong routine fills the specified range of memory with one or more repetitions of a ULONG value.
RtlFillMemoryUlonglong The RtlFillMemoryUlonglong routine fills a given range of memory with one or more repetitions of a given ULONGLONG value.
RtlFillNonVolatileMemory Fills the non-volatile destination buffer with the given value.
RtlFindUnicodePrefix The RtlFindUnicodePrefix routine searches for the best match for a given Unicode file name in a prefix table.
RtlFlushNonVolatileMemory The routine RtlFlushNonVolatileMemory optimally flushes the given non-volatile memory region.
RtlFlushNonVolatileMemoryRanges The routine RtlFlushNonVolatileMemoryRanges optimally flushes the given non-volatile memory regions.
RtlFreeHeap The RtlFreeHeap routine frees a memory block that was allocated from a heap by RtlAllocateHeap.
RtlFreeNonVolatileToken The routine RtlFreeNonVolatileToken is a cleanup function for the opaque NvToken which is given by a successful call to RtlGetNonVolatileToken.
RtlFreeOemString The RtlFreeOemString routine releases storage that was allocated by any of the Rtl..ToOemString routines.
RtlFreeSid Microsoft reserves the RtlFreeSid function for internal use only. Don't use this function in your code.
RtlGenerate8dot3Name Learn more about the RtlGenerate8dot3Name function.
RtlGetAce The RtlGetAce routine obtains a pointer to an access control entry (ACE) in an access control list (ACL).
RtlGetCompressionWorkSpaceSize Learn more about the RtlGetCompressionWorkSpaceSize function.
RtlGetDaclSecurityDescriptor The RtlGetDaclSecurityDescriptor routine returns a pointer to the discretionary ACL (DACL) for a security descriptor.
RtlGetElementGenericTable The RtlGetElementGenericTable routine returns a pointer to the caller-supplied data for a particular generic table element.
RtlGetElementGenericTableAvl The RtlGetElementGenericTableAvl routine returns a pointer to the caller-supplied data for a particular generic Adelson-Velsky/Landis (AVL) table element.
RtlGetGroupSecurityDescriptor The RtlGetGroupSecurityDescriptor routine returns the primary group information for a given security descriptor.
RtlGetNonVolatileToken The routine, RtlGetNonVolatileToken, gets various properties about a non-volatile memory buffer and stores them in the variable NvToken.
RtlGetOwnerSecurityDescriptor The RtlGetOwnerSecurityDescriptor routine returns the owner information for a given security descriptor.
RtlGetSaclSecurityDescriptor The RtlGetSaclSecurityDescriptor routine returns a pointer to the system ACL (SACL) for a security descriptor.
RtlIdentifierAuthoritySid Microsoft reserves the RtlIdentifierAuthoritySid function for internal use only. Don't use this function in your code.
RtlInitCodePageTable Microsoft reserves the RtlInitCodePageTable function for internal use only. Don't use this function in your code.
RtlInitializeGenericTable The RtlInitializeGenericTable routine initializes a generic table.
RtlInitializeGenericTableAvl The RtlInitializeGenericTableAvl routine initializes a generic table using Adelson-Velsky/Landis (AVL) trees.
RtlInitializeSid The RtlInitializeSid routine initializes a security identifier (SID) structure.
RtlInitializeSidEx The RtlInitializeSidEx routine initializes a pre-allocated security identifier (SID) structure.
RtlInitializeSplayLinks The RtlInitializeSplayLinks routine initializes a splay link node.
RtlInitializeUnicodePrefix The RtlInitializeUnicodePrefix routine initializes a prefix table.
RtlInitUTF8StringEx RtlInitUTF8StringEx initializes a counted string of UTF-8 characters.
RtlInsertAsLeftChild The RtlInsertAsLeftChild routine inserts a splay link node into the tree as the left child of the specified node.
RtlInsertAsRightChild The RtlInsertAsRightChild routine inserts a given splay link into the tree as the right child of a given node in that tree.
RtlInsertElementGenericTable The RtlInsertElementGenericTable routine adds a new element to a generic table.
RtlInsertElementGenericTableAvl The RtlInsertElementGenericTableAvl routine adds a new entry to a generic table.
RtlInsertElementGenericTableFullAvl The RtlInsertElementGenericTableFullAvl routine adds a new entry to a generic table.
RtlInsertUnicodePrefix The RtlInsertUnicodePrefix routine inserts a new element into a Unicode prefix table.
RtlIsCloudFilesPlaceholder The RtlIsCloudFilesPlaceholder routine determines if a file or a directory is a CloudFiles placeholder, based on the FileAttributes and ReparseTag values of the file.
RtlIsGenericTableEmpty The RtlIsGenericTableEmpty routine determines if a generic table is empty.
RtlIsGenericTableEmptyAvl The RtlIsGenericTableEmptyAvl routine determines if a generic table is empty.
RtlIsLeftChild The RtlIsLeftChild routine determines whether a given splay link is the left child of a node in a splay link tree.
RtlIsNameLegalDOS8Dot3 The RtlIsNameLegalDOS8Dot3 routine determines whether a given name represents a valid short (8.3) file name.
RtlIsPartialPlaceholder The RtlIsPartialPlaceholder routine determines if a file or a directory is a CloudFiles placeholder, based on the FileAttributes and ReparseTag values of the file.
RtlIsPartialPlaceholderFileHandle The RtlIsPartialPlaceholderFileHandle routine determines if a file is a known type of placeholder, based on a file handle.
RtlIsPartialPlaceholderFileInfo The RtlIsPartialPlaceholderFileInfo routine determines if a file is a known type of placeholder, based on the information returned by NtQueryInformationFile or NtQueryDirectoryFile.
RtlIsRightChild The RtlIsRightChild routine determines whether a given splay link is the right child of a node in a splay link tree.
RtlIsRoot The RtlIsRoot routine determines whether the specified node is the root node of a splay link tree.
RtlIsValidOemCharacter The RtlIsValidOemCharacter routine determines if the specified Unicode character can be mapped to a valid OEM character.
RtlLeftChild The RtlLeftChild routine returns a pointer to the left child of the specified splay link node.
RtlLengthRequiredSid The RtlLengthRequiredSid routine returns the length, in bytes, of the buffer required to store a security identifier (SID) with a specified number of subauthorities.
RtlLengthSid The RtlLengthSid routine returns the length, in bytes, of a valid security identifier (SID).
RtlLookupElementGenericTable The RtlLookupElementGenericTable routine searches a generic table for an element that matches the specified data.
RtlLookupElementGenericTableAvl The RtlLookupElementGenericTableAvl routine searches a generic table for an element that matches the specified data.
RtlLookupElementGenericTableFullAvl The RtlLookupElementGenericTableFullAvl routine searches a generic table for an element that matches the specified data.
RtlLookupFirstMatchingElementGenericTableAvl The RtlLookupFirstMatchingElementGenericTableAvl routine finds the left-most element in the tree that matches the indicated data.
RtlMultiByteToUnicodeN The RtlMultiByteToUnicodeN routine translates the specified source string into a Unicode string, using the current system ANSI code page (ACP). The source string is not necessarily from a multibyte character set.
RtlMultiByteToUnicodeSize The RtlMultiByteToUnicodeSize routine determines the number of bytes that are required to store the Unicode translation for the specified source string.
RtlNextUnicodePrefix The RtlNextUnicodePrefix routine is used to enumerate the elements in a Unicode prefix table.
RtlNtStatusToDosError The RtlNtStatusToDosError routine converts the specified NTSTATUS code to its equivalent system error code.
RtlNtStatusToDosErrorNoTeb Microsoft reserves the RtlNtStatusToDosErrorNoTeb function for internal use only. Don't use this function in your code.
RtlNumberGenericTableElements The RtlNumberGenericTableElements routine returns the number of elements in a generic table.
RtlNumberGenericTableElementsAvl The RtlNumberGenericTableElementsAvl routine returns the number of elements in a generic table.
RtlOemStringToCountedUnicodeSize The RtlOemStringToCountedUnicodeSize routine determines the size, in bytes, that a given OEM string will be after it is translated into a counted Unicode string.
RtlOemStringToCountedUnicodeString The RtlOemStringToCountedUnicodeString routine translates the specified source string into a Unicode string using the current system OEM code page.
RtlOemStringToUnicodeSize The RtlOemStringToUnicodeSize routine determines the size, in bytes, that a given OEM string will be after it is translated into a null-terminated Unicode string.
RtlOemStringToUnicodeString The RtlOemStringToUnicodeString routine translates a given source string into a null-terminated Unicode string using the current system OEM code page.
RtlOemToUnicodeN The RtlOemToUnicodeN routine translates the specified source string into a Unicode string, using the current system OEM code page.
RtlParent The RtlParent routine returns a pointer to the parent of the specified node in a splay link tree.
RtlQueryPackageIdentity RtlQueryPackageIdentity
RtlQueryPackageIdentityEx RtlQueryPackageIdentityEx returns the associated full package name. It can optionally also return the package relative application name, and whether an application is considered packaged.
RtlQueryProcessPlaceholderCompatibilityMode RtlQueryProcessPlaceholderCompatibilityMode returns the placeholder compatibility mode for the current process.
RtlQueryThreadPlaceholderCompatibilityMode RtlQueryThreadPlaceholderCompatibilityMode returns the placeholder compatibility mode for the current thread.
RtlRandom The RtlRandom routine returns a random number that was generated from a given seed value.
RtlRandomEx The RtlRandomEx routine returns a random number that was generated from a given seed value.
RtlRealPredecessor The RtlRealPredecessor routine returns a pointer to the predecessor of the specified node in the splay link tree.
RtlRealSuccessor The RtlRealSuccessor routine returns a pointer to the successor of the specified node in the splay link tree.
RtlRemoveUnicodePrefix The RtlRemoveUnicodePrefix routine removes an element from a prefix table.
RtlReserveChunk Microsoft reserves the RtlReserveChunk function for internal use only. Don't use this function in your code.
RtlRightChild The RtlRightChild routine returns a pointer to the right child of the specified splay link node.
RtlSecondsSince1970ToTime The RtlSecondsSince1970ToTime routine converts the elapsed time, in seconds, since the beginning of 1970 to an absolute system time value.
RtlSecondsSince1980ToTime The RtlSecondsSince1980ToTime routine converts the elapsed time, in seconds, since the beginning of 1980 to an absolute system time value.
RtlSelfRelativeToAbsoluteSD The RtlSelfRelativeToAbsoluteSD routine creates a new security descriptor in absolute format by using a security descriptor in self-relative format as a template.
RtlSetGroupSecurityDescriptor The RtlSetGroupSecurityDescriptor routine sets the primary group information of an absolute-format security descriptor. It replaces any primary group information that is already present in the security descriptor.
RtlSetOwnerSecurityDescriptor The RtlSetOwnerSecurityDescriptor routine sets the owner information of an absolute-format security descriptor. It replaces any owner information that is already present in the security descriptor.
RtlSetProcessPlaceholderCompatibilityMode RtlSetProcessPlaceholderCompatibilityMode sets the placeholder compatibility mode for the current process.
RtlSetThreadPlaceholderCompatibilityMode RtlSetThreadPlaceholderCompatibilityMode sets the placeholder compatibility mode for the current thread.
RtlSplay The RtlSplay routine rebalances, or "splays," a splay link tree around the specified splay link, making that link the new root of the tree.
RtlSubAuthorityCountSid Microsoft reserves the RtlSubAuthorityCountSid function for internal use only. Don't use this function in your code.
RtlSubAuthoritySid The RtlSubAuthoritySid routine returns a pointer to a specified subauthority of a security identifier (SID).
RtlSubtreePredecessor The RtlSubtreePredecessor routine returns a pointer to the predecessor of the specified node within the subtree that is rooted at that node.
RtlSubtreeSuccessor The RtlSubtreeSuccessor routine returns a pointer to the successor of the specified node within the subtree that is rooted at that node.
RtlTimeToSecondsSince1970 The RtlTimeToSecondsSince1970 routine converts a given absolute system time value to the elapsed time, in seconds, since the beginning of 1970.
RtlTimeToSecondsSince1980 The RtlTimeToSecondsSince1980 routine converts a given absolute system time value to the elapsed time, in seconds, since the beginning of 1980.
RtlUnicodeStringToCountedOemString The RtlUnicodeStringToCountedOemString routine translates the specified Unicode source string into a counted OEM string using the current system OEM code page.
RtlUnicodeStringToOemSize The RtlUnicodeStringToOemSize routine determines the size, in bytes, that a given Unicode string will be after it is translated into an OEM string.
RtlUnicodeStringToOemString The RtlUnicodeStringToOemString routine translates a given Unicode source string into an OEM string using the current system OEM code page.
RtlUnicodeStringToUTF8String RtlUnicodeStringToUTF8String converts the specified Unicode string to a UTF-8 string.
RtlUnicodeToCustomCPN Microsoft reserves the RtlUnicodeToCustomCPN function for internal use only. Don't use this function in your code.
RtlUnicodeToMultiByteN The RtlUnicodeToMultiByteN routine translates the specified Unicode string into a new character string, using the current system ANSI code page (ACP). The translated string is not necessarily from a multibyte character set.
RtlUnicodeToMultiByteSize The RtlUnicodeToMultiByteSize routine determines the number of bytes that are required to store the multibyte translation for the specified Unicode string. The translation is assumed to use the current system ANSI code page (ACP).
RtlUnicodeToOemN The RtlUnicodeToOemN routine translates a given Unicode string to an OEM string, using the current system OEM code page.
RtlUpcaseUnicodeStringToCountedOemString Learn more about the RtlUpcaseUnicodeStringToCountedOemString function.
RtlUpcaseUnicodeStringToOemString The RtlUpcaseUnicodeStringToOemString routine translates a given Unicode source string into an uppercase OEM string using the current system OEM code page.
RtlUpcaseUnicodeToCustomCPN Microsoft reserves the RtlUpcaseUnicodeToCustomCPN function for internal use only. Don't use this function in your code.
RtlUpcaseUnicodeToMultiByteN The RtlUpcaseUnicodeToMultiByteN routine translates the specified Unicode string into a new uppercase character string, using the current system ANSI code page (ACP). The translated string is not necessarily from a multibyte character set.
RtlUpcaseUnicodeToOemN The RtlUpcaseUnicodeToOemN routine translates a given Unicode string into an uppercase OEM string, using the current system OEM code page.
RtlUTF8StringToUnicodeString The RtlUTF8StringToUnicodeString routine converts the specified UTF-8 string to a Unicode string.
RtlValidSid The RtlValidSid routine validates a security identifier (SID) by verifying that the revision number is within a known range and that the number of subauthorities is less than the maximum.
RtlWriteNonVolatileMemory The routine RtlWriteNonVolatileMemory copies the contents of a source buffer to a non-volatile destination memory buffer.
RtlxOemStringToUnicodeSize Microsoft reserves the RtlxOemStringToUnicodeSize function for internal use only. Don't use this function in your code.
RtlxUnicodeStringToOemSize Microsoft reserves the RtlxUnicodeStringToOemSize function for internal use only. Don't use this function in your code.
RxAcquireExclusiveFcbResourceInMRx RxAcquireExclusiveFcbResourceInMRx acquires the FCB resource for a network mini-redirector driver in exclusive mode.
RxAcquireSharedFcbResourceInMRx RxAcquireSharedFcbResourceInMRx acquires the FCB resource for a network mini-redirector driver in shared mode.
RxAcquireSharedFcbResourceInMRxEx RxAcquireSharedFcbResourceInMRxEx acquires the FCB resource for a network mini-redirector driver in shared mode.
RxAssociateContextWithMid RxAssociateContextWithMid associates the supplied opaque context with an available multiplex ID (MID) from a MID_ATLAS.
RxCancelTimerRequest RxCancelTimerRequest cancels a recurrent timer request. The request to be canceled is identified by the worker thread routine and associated context.
RxCeAllocateIrpWithMDL RxCeAllocateIrpWithMDL allocates an IRP and associates it with an existing memory descriptor list.
RxCeBuildAddress RxCeBuildAddress associates a transport address with a transport binding.
RxCeBuildConnection RxCeBuildConnection establishes a connection between a local RDBSS connection address and a given remote address.
RxCeBuildConnectionOverMultipleTransports RxCeBuildConnectionOverMultipleTransports establishes a connection between a local RDBSS connection address and a given remote address and supports multiple transports.
RxCeBuildTransport RxCeBuildTransport binds an RDBSS transport object to a specified transport name.
RxCeBuildVC RxCeBuildVC adds a virtual circuit to a specified RDBSS connection..
RxCeCancelConnectRequest RxCeCancelConnectRequest cancels a previously issued connection request. Note that this routine is not currently implemented.
RxCeFreeIrp RxCeFreeIrp frees an IRP.
RxCeInitiateVCDisconnect RxCeInitiateVCDisconnect initiates a disconnect on the virtual circuit.
RxCeQueryAdapterStatus RxCeQueryAdapterStatus returns the ADAPTER_STATUS structure for a given transport in a caller-allocated buffer.
RxCeQueryInformation RxCeQueryInformation queries information about a connection in a caller-allocated buffer.
RxCeQueryTransportInformation RxCeQueryTransportInformation queries transport information for a given transport.
RxCeSend RxCeSend sends a transport service data unit (TSDU) along the specified connection on a virtual circuit.
RxCeSendDatagram RxCeSendDatagram sends a transport service data unit (TSDU) along the specified connection on a virtual circuit.
RxCeTearDownAddress RxCeTearDownAddress deregisters a transport address from a transport binding.
RxCeTearDownConnection RxCeTearDownConnection tears down a given connection between a local RDBSS connection address and a remote address.
RxCeTearDownTransport RxCeTearDownTransport unbinds an RDBSS transport object.
RxCeTearDownVC RxCeTearDownVC deregisters a virtual circuit from a specified RDBSS connection.
RxChangeBufferingState RxChangeBufferingState is called to process a buffering state change request.
RxCompleteRequest RxCompleteRequest completes the IRP request associated with an RX_CONTEXT structure.
RxCompleteRequest_Real RxCompleteRequest_Real completes the IRP request associated with an RX_CONTEXT structure.
RxCreateMidAtlas RxCreateMidAtlas allocates a new instance of MID_ATLAS data structure and initializes it.
RxCreateNetFcb RxCreateNetFCB allocates, initializes, and inserts a new FCB structure into the in-memory data structures for a V_NET_ROOT that this FCB is being opened on. The structure allocated has space for a SRV_OPEN and an FOBX structure.
RxCreateNetFobx RxCreateNetFobx allocates, initializes, and inserts a new file object extension (FOBX) structure into the in-memory data structures for a FCB that this FOBX is being opened on.
RxCreateNetRoot RxCreateNetRoot allocates and initializes a NET_ROOT structure and inserts the name into the net name table on the associated device object.
RxCreateRxContext RxCreateRxContext allocates a new RX_CONTEXT structure and initializes the data structure.
RxCreateSrvCall Learn more about the RxCreateSrvCall function.
RxCreateSrvOpen RxCreateSrvOpen allocates, initializes, and inserts a new SRV_OPEN structure into the in-memory data structures used by RDBSS. If a new structure has to be allocated, it has space for an FOBX structure.
RxCreateVNetRoot RxCreateVNetRoot allocates and initializes a NET_ROOT structure and inserts the name into the net name table on the associated device object.
RxDereference RxDereference decrements the NodeReferenceCount member of a structure by one for several reference counted data structures used by RDBSS.
RxDereferenceAndDeleteRxContext_Real RxDereferenceAndDeleteRxContext_Real dereferences an RX_CONTEXT data structure and if the ReferenceCount member goes to zero, then it deallocates and removes the specified RX_CONTEXT structure from the RDBSS in-memory data structures.
RxDestroyMidAtlas RxDestroyMidAtlas destroys an existing instance of a MID_ATLAS data structure and frees the allocated memory.
RxDispatchToWorkerThread RxDispatchToWorkerThread invokes a routine in the context of a worker thread. The memory for the WORK_QUEUE_ITEM is allocated by this routine.
RxDriverEntry RxDriverEntry is called by a monolithic network mini-redirector driver from its DriverEntry routine to initialize the RDBSS static library.
RxFinalizeConnection Learn more about the RxFinalizeConnection function.
RxFinalizeNetFcb RxFinalizeNetFCB finalizes the given FCB structure. The caller must have an exclusive lock on the NET_ROOT associated with FCB.
RxFinalizeNetFobx RxFinalizeNetFOBX finalizes the given FOBX structure. The caller must have an exclusive lock on the FCB associated with FOBX structure.
RxFinalizeNetRoot RxFinalizeNetRoot finalizes the given NET_ROOT structure. The caller must have an exclusive lock on the netname table associated with the device object.
RxFinalizeSrvCall RxFinalizeSrvCall finalizes the given SRV_CALL structure. The caller must have an exclusive lock on the netname table associated with the device object.
RxFinalizeSrvOpen RxFinalizeSrvOpen finalizes the given SRV_OPEN structure. The caller must have an exclusive lock on the FCB associated with the SRV_OPEN and either a shared or exclusive lock on the table lock of the NET_ROOT associated with the FCB.
RxFinalizeVNetRoot RxFinalizeVNetRoot finalizes the given V_NET_ROOT structure. The caller must have an exclusive lock on the netname table associated with the device object.
RxFinishFcbInitialization Learn more about the RxFinishFcbInitialization function.
RxForceFinalizeAllVNetRoots RxForceFinalizeAllVNetRoots force finalizes all the V_NET_ROOT structures associated with a given NET_ROOT structure. The caller must have an exclusive lock on the netname table associated with the device object.
RxFsdDispatch Learn more about the RxFsdDispatch function.
RxFsdPostRequest RxFsdPostRequest queues the I/O request packet (IRP) specified by an RX_CONTEXT structure to the worker queue for processing by the file system process (FSP).
RxGetFileSizeWithLock RxGetFileSizeWithLock gets the file size in the FCB structure using a lock to ensure that the 64-bit value is read consistently.
RxGetRDBSSProcess RxGetRDBSSProcess returns a pointer to the process of the main thread used by the RDBSS kernel process.
RxIndicateChangeOfBufferingState RxIndicateChangeOfBufferingState is called to register a change buffering state request (an oplock break indication, for example) for later processing. If necessary, worker thread routines for further processing are activated.
RxIndicateChangeOfBufferingStateForSrvOpen RxIndicateChangeOfBufferingStateForSrvOpen is called to register a change buffering state request (an oplock break indication, for example) for later processing. If the necessary preconditions are satisfied, the oplock is processed further.
RxInferFileType RxInferFileType tries to infer the file type (directory or non-directory) from a member in the RX_CONTEXT structure.
RxInitializeContext RxInitializeContext initializes an existing RX_CONTEXT data structure.
RxIsThisACscAgentOpen RxIsThisACscAgentOpen determines if a file open was made by a user-mode client-side caching agent.
RxLockEnumerator RxLockEnumerator is called from a network mini-redirector to enumerate the file locks on an FCB.
RxLogEventDirect RxLogEventDirect is called to log an error to the I/O error log. It is recommended that the RXLogEvent macro or the RxLogFailure macro be used instead of calling this routine directly.
RxLogEventWithAnnotation RxLogEventWithAnnotation allocates an I/O error log structure, fills it in with information, and writes the entry to the I/O error log.
RxLogEventWithBufferDirect RxLogEventWithBufferDirect allocates an I/O error log structure, fills it in with information, and writes the entry to the I/O error log.
RxLowIoCompletion RxLowIoCompletion must be called by the network mini-redirector low I/O routines when they complete, if the low I/O routines have initially returned STATUS_PENDING.
RxLowIoGetBufferAddress RxLowIoGetBufferAddress returns the buffer corresponding to the MDL from LowIoContext structure of an RX_CONTEXT structure.
RxMakeLateDeviceAvailable RxMakeLateDeviceAvailable modifies the device object to make a "late device" available. A late device is one that is not created in the driver's load routine.
RxMapAndDissociateMidFromContext RxMapAndDissociateMidFromContext maps a Multiplex ID (MID) to its associated context in a MID_ATLAS structure and then disassociates the MID from the context.
RxMapMidToContext RxMapMidToContext maps a Multiplex ID (MID) to its associated context in a MID_ATLAS structure.
RxMapSystemBuffer RxMapSystemBuffer returns the system buffer address from the IRP.
RxNameCacheActivateEntry RxNameCacheActivateEntry takes a name cache entry and updates the expiration time and the network mini-redirector context. It then puts the name cache entry on the active list.
RxNameCacheCheckEntry RxNameCacheCheckEntry checks a name cache entry for validity. A valid entry means that the lifetime has not expired and the MRxContext parameter passes the equality check.
RxNameCacheCreateEntry RxNameCacheCreateEntry allocates and initializes a NAME_CACHE structure with the given name string.
RxNameCacheExpireEntry RxNameCacheExpireEntry puts a NAME_CACHE entry on the free list for recycling.
RxNameCacheExpireEntryWithShortName RxNameCacheExpireEntryWithShortName expires all of the name cache entries whose name prefix matches the given short file name.
RxNameCacheFetchEntry RxNameCacheFetchEntry looks for a match with a specified name string for a NAME_CACHE entry.
RxNameCacheFinalize RxNameCacheFinalize releases the storage for all of the NAME_CACHE entries associated with a NAME_CACHE_CONTROL structure.
RxNameCacheFreeEntry RxNameCacheFreeEntry releases the storage for a NAME_CACHE entry and decrements the count of the NAME_CACHE cache entries associated with a NAME_CACHE_CONTROL structure.
RxNameCacheInitialize RxNameCacheInitialize initializes a name cache (NAME_CACHE_CONTROL structure).
RxpDereferenceAndFinalizeNetFcb RxpDereferenceAndFinalizeNetFcb decrements the reference count and finalizes an FCB structure.
RxpDereferenceNetFcb RxpDereferenceNetFcb decrements the reference count on an FCB structure.
RxPostOneShotTimerRequest RxPostOneShotTimerRequest initializes a one-shot timer entry. The passed-in pointer to a worker thread routine is called once when the timer expires.
RxPostRecurrentTimerRequest RxPostRecurrentTimerRequest initializes a recurrent timer request. The passed in pointer to a worker thread routine is called at regular intervals when the recurrent timer fires based on the input parameters to this routine.
RxPostToWorkerThread RxPostToWorkerThread invokes a routine passed as a parameter in the context of a worker thread. Memory for the WORK_QUEUE_ITEM must be allocated by the caller.
RxpReferenceNetFcb RxpReferenceNetFcb increments the reference count on an FCB.
RxPrefixTableLookupName RxPrefixTableLookupName looks up a name in a prefix table used to catalog SRV_CALL, NET_ROOT, and V_NET_ROOT names and converts the underlying pointer to a structure that contains the name.
RxPrepareContextForReuse RxPrepareContextForReuse prepares an RX_CONTEXT data structure for reuse by resetting all of the operation-specific allocations and acquisitions that have been made (the ReferenceCount member to the RX_CONTEXT structure is set to zero).
RxPrepareToReparseSymbolicLink RxPrepareToReparseSymbolicLink sets up the file object name to facilitate a reparse. This routine is used by the network mini-redirectors to traverse symbolic links.
RxpTrackDereference RxpTrackDereference is used in checked builds to track requests to dereference SRV_CALL, NET_ROOT, V_NET_ROOT, FOBX, FCB, and SRV_OPEN structures in checked builds. A log of these dereference requests can be accessed by the logging system and WMI.
RxpTrackReference Learn more about the RxpTrackReference function.
RxpUnregisterMinirdr RxpUnregisterMinirdr is called by a network mini-redirector driver to de-register the driver with RDBSS and remove the registration information from the internal RDBSS registration table.
RxPurgeAllFobxs RxPurgeAllFobxs purges all of the FOBX structures associated with a network mini-redirector.
RxPurgeRelatedFobxs RxPurgeRelatedFobxs purges all of the FOBX structures associated with a NET_ROOT structure.
RxReassociateMid RxReassociateMid reassociates a Multiplex ID (MID) with an alternate context.
RxReference RxReference increments the NodeReferenceCount member of a structure by one for several of the reference counted data structures used by RDBSS.
RxRegisterMinirdr RxRegisterMinirdr is called by a network mini-redirector driver to register the driver with RDBSS, which adds the registration information to an internal registration table. RDBSS also builds a device object for the network mini-redirector.
RxReleaseFcbResourceForThreadInMRx RxReleaseFcbResourceForThreadInMRx releases the FCB resource acquired by a network mini-redirector driver with a particular thread ID.
RxReleaseFcbResourceInMRx RxReleaseFcbResourceInMRx releases the FCB resource acquired by a network mini-redirector driver.
RxResumeBlockedOperations_Serially RxResumeBlockedOperations_Serially wakes up the next waiting thread, if any, on the serialized blocking I/O queue.
RxScavengeAllFobxs RxScavengeAllFobxs scavenges all of the FOBX structures associated with a network mini-redirector device object.
RxScavengeFobxsForNetRoot RxScavengeFobxsForNetRoot scavenges all of the FOBX structures associated with a given NET_ROOT structure.
RxSetDomainForMailslotBroadcast Learn more about the RxSetDomainForMailslotBroadcast function.
RxSetMinirdrCancelRoutine RxSetMinirdrCancelRoutine is called by a network mini-redirector driver to set up a network mini-redirector cancel routine for an RX_CONTEXT structure.
RxSetSrvCallDomainName RxSetSrvCallDomainName is called by a network mini-redirector driver to set the domain name associated with any given server (SRV_CALL structure).
RxSpinDownMRxDispatcher RxSpinDownMRxDispatcher tears down the dispatcher context for a network mini-redirector.
RxStartMinirdr Learn more about the RxStartMinirdr function.
RxStopMinirdr Learn more about the RxStopMinirdr function.
RxUnregisterMinirdr RxUnregisterMinirdr is an inline routine called by a network mini-redirector driver to de-register the driver with RDBSS and remove the registration information from the internal RDBSS registration table.
SeAccessCheckFromState Learn more about the SeAccessCheckFromState function.
SeAccessCheckFromStateEx Learn more about the SeAccessCheckFromStateEx function.
SeAppendPrivileges The SeAppendPrivileges routine appends additional privileges to the privilege set in an access state structure.
SeAuditHardLinkCreation Microsoft reserves the SeAuditHardLinkCreation function for internal use only. Don't use this function in your code.
SeAuditingFileEvents The SeAuditingFileEvents routine determines whether file open events are currently being audited.
SeAuditingFileOrGlobalEvents The SeAuditingFileOrGlobalEvents routine determines whether file or global events are currently being audited.
SeAuditingHardLinkEvents Microsoft reserves the SeAuditingHardLinkEvents function for internal use only. Don't use this function in your code.
SeCaptureSubjectContext The SeCaptureSubjectContext routine in ntifs.h captures the security context of the calling thread for access validation and auditing.
SeCaptureSubjectContext The SeCaptureSubjectContext routine in wdm.h captures the security context of the calling thread for access validation and auditing.
SeCaptureSubjectContextEx Learn more about the SeCaptureSubjectContextEx function.
SecLookupAccountName SecLookupAccountName accepts an account as input and retrieves a security identifier (SID) for the account and the name of the domain on which the account was found.
SecLookupAccountSid SecLookupAccountSid accepts a security identifier (SID) as input. It retrieves the name of the account for this SID and the name of the first domain on which this SID is found.
SecLookupWellKnownSid SecLookupWellKnownSid accepts a well-known security identifier (SID) type as input and retrieves the local security identifier (SID) for this well known SID.
SecMakeSPN SecMakeSPN creates a service provider name string that can be used when communicating with specific security service providers.
SecMakeSPNEx SecMakeSPNEx creates a service provider name string that can be used when communicating with specific security service providers.
SecMakeSPNEx2 SecMakeSPNEx2 creates a service provider name string that can be used when it communicates with specific security service providers.
SeCreateClientSecurity Learn more about the SeCreateClientSecurity function.
SeCreateClientSecurityFromSubjectContext Learn more about the SeCreateClientSecurityFromSubjectContext routine.
SeDeleteClientSecurity The SeDeleteClientSecurity routine deletes a client security context.
SeDeleteObjectAuditAlarm The SeDeleteObjectAuditAlarm routine generates audit and alarm messages for an object that is marked for deletion.
SeFilterToken Learn more about the SeFilterToken function.
SeImpersonateClient The SeImpersonateClient function is obsolete.
SeImpersonateClientEx The SeImpersonateClientEx routine causes a thread to impersonate a user.
SeLengthSid The SeLengthSid macro is obsolete.
SeLocateProcessImageName Learn more about the SeLocateProcessImageName function.
SeLockSubjectContext Learn more about the SeLockSubjectContext function.
SeLockSubjectContext The SeLockSubjectContext routine in wdm.h locks the primary and impersonation tokens of a captured subject context.
SeMarkLogonSessionForTerminationNotification The SeMarkLogonSessionForTerminationNotification routine marks a logon session so that the caller's registered callback routine is called when the logon session terminates.
SeOpenObjectAuditAlarm The SeOpenObjectAuditAlarm routine generates audit and alarm messages when an attempt is made to open an object.
SeOpenObjectForDeleteAuditAlarm The SeOpenObjectForDeleteAuditAlarm routine generates audit and alarm messages when an attempt is made to open an object for deletion.
SePrivilegeCheck The SePrivilegeCheck routine determines whether a specified set of privileges is enabled in the subject's access token.
SeQueryAuthenticationIdToken The SeQueryAuthenticationIdToken routine retrieves the authentication ID of an access token.
SeQueryInformationToken The SeQueryInformationToken routine retrieves a specified type of information about an access token. The calling process must have appropriate access rights to obtain the information.
SeQuerySecurityDescriptorInfo The SeQuerySecurityDescriptorInfo routine retrieves a copy of an object's security descriptor.
SeQuerySessionIdToken Microsoft reserves the SeQuerySessionIdToken function for internal use only. Don't use this function in your code.
SeQuerySubjectContextToken Learn more about the SeQuerySubjectContextToken macro.
SeRegisterLogonSessionTerminatedRoutine The SeRegisterLogonSessionTerminatedRoutine routine registers a callback routine to be called when a logon session terminates. A logon session terminates when the last token referencing the logon session is deleted.
SeReleaseSubjectContext Learn more about the SeReleaseSubjectContext routine.
SeReleaseSubjectContext The SeReleaseSubjectContext routine in wdm.h releases a subject security context captured by an earlier call to SeCaptureSubjectContext.
SeSetAccessStateGenericMapping The SeSetAccessStateGenericMapping routine sets the generic mapping field of an ACCESS_STATE structure.
SeSetSecurityDescriptorInfo Learn more about the SeSetSecurityDescriptorInfo function.
SeSetSecurityDescriptorInfoEx Learn more about the SeSetSecurityDescriptorInfoEx function.
SeSetSessionIdToken Microsoft reserves the SeSetSessionIdToken function for internal use only. Don't use this function in your code.
SeTokenGetNoChildProcessRestricted The SeTokenGetNoChildProcessRestricted routine determines the state of the no child process mitigation. It is not possible to be enforced and audit-only at the same time.
SeTokenIsAdmin The SeTokenIsAdmin routine determines whether a token contains the local administrators group.
SeTokenIsNoChildProcessRestrictionEnforced The SeTokenIsNoChildProcessRestrictionEnforced routine determines if the token carries the no child process restriction.
SeTokenIsRestricted The SeTokenIsRestricted routine determines whether a token contains a list of restricting security identifiers (SID).
SeTokenSetNoChildProcessRestricted The SeTokenSetNoChildProcessRestricted routine sets the TOKEN_AUDIT_NO_CHILD_PROCESS or TOKEN_AUDIT_NO_CHILD_PROCESS flags in the token.
SeTokenType Microsoft reserves the SeTokenType function for internal use only. Don't use this function in your code.
SeUnlockSubjectContext Learn more about the SeUnlockSubjectContext routine.
SeUnlockSubjectContext The SeUnlockSubjectContext routine in wdm.h unlocks the tokens of a captured subject context that were locked by a call to SeLockSubjectContext.
SeUnregisterLogonSessionTerminatedRoutine The SeUnregisterLogonSessionTerminatedRoutine routine unregisters a callback routine that was registered by an earlier call to SeRegisterLogonSessionTerminatedRoutine.

Structures

ACCESS_ALLOWED_ACE The ACCESS_ALLOWED_ACE structure defines an access-control entry (ACE) for the discretionary access-control list (DACL) that controls access to an object.
ACCESS_DENIED_ACE The ACCESS_DENIED_ACE structure defines an access-control entry (ACE) for the discretionary access-control list (DACL) controlling access to an object.
ACCESS_STATE The ACCESS_STATE structure describes the state of an access in progress.
ACE_HEADER The ACE_HEADER structure describes the type and size of an access-control entry (ACE).
ACL The ACL structure is the header of an access-control list (ACL). A complete ACL consists of an ACL structure followed by an ordered list of zero or more access-control entries (ACE).
ATOMIC_CREATE_ECP_CONTEXT This structure allows supplemental operations to be performed on a file atomically during create.
BOOT_AREA_INFO The BOOT_AREA_INFO structure contains the output for the FSCTL_GET_BOOT_AREA_INFO control code.
CC_FILE_SIZES Learn more about the CC_FILE_SIZES structure.
CREATE_REDIRECTION_ECP_CONTEXT Learn more about the CREATE_REDIRECTION_ECP_CONTEXT structure.
CSV_DOWN_LEVEL_OPEN_ECP_CONTEXT Learn more about the CSV_DOWN_LEVEL_OPEN_ECP_CONTEXT structure.
CSV_QUERY_FILE_REVISION_ECP_CONTEXT Learn more about the CSV_QUERY_FILE_REVISION_ECP_CONTEXT structure.
CSV_QUERY_FILE_REVISION_ECP_CONTEXT_FILE_ID_128 Learn more about the CSV_QUERY_FILE_REVISION_ECP_CONTEXT_FILE_ID_128 structure.
CSV_SET_HANDLE_PROPERTIES_ECP_CONTEXT Learn more about the CSV_SET_HANDLE_PROPERTIES_ECP_CONTEXT structure.
DUAL_OPLOCK_KEY_ECP_CONTEXT Learn more about the DUAL_OPLOCK_KEY_ECP_CONTEXT structure.
ECP_OPEN_PARAMETERS The ECP_OPEN_PARAMETERS structure allows a caller to specify the purpose of opening of a file without interfering with existing handles and/or oplocks on the file.
ENCRYPTION_KEY_CTRL_INPUT Learn more about: ENCRYPTION_KEY_CTRL_INPUT structure
FAST_IO_DISPATCH Contains a set of callback routines that a file system driver or file system filter driver (legacy) provides for fast I/O processing.
FILE_ALLOCATED_RANGE_BUFFER Learn more about the FILE_ALLOCATED_RANGE_BUFFER structure.
FILE_ALLOCATION_INFORMATION Learn more about the FILE_ALLOCATION_INFORMATION structure.
FILE_BOTH_DIR_INFORMATION The FILE_BOTH_DIR_INFORMATION structure is used to query detailed information for the files in a directory.
FILE_CASE_SENSITIVE_INFORMATION The FILE_CASE_SENSITIVE_INFORMATION structure is used to query or set per-directory case-sensitive information.
FILE_COMPLETION_INFORMATION The FILE_COMPLETION_INFORMATION structure contains the port handle and key for an I/O completion port created for a file handle.
FILE_COMPRESSION_INFORMATION The FILE_COMPRESSION_INFORMATION structure describes the state of a compressed data buffer.
FILE_DESIRED_STORAGE_CLASS_INFORMATION Contains the information for the Desired Storage Class attribute.
FILE_DIRECTORY_INFORMATION The FILE_DIRECTORY_INFORMATION structure is used to query detailed information for the files in a directory.
FILE_DISPOSITION_INFORMATION_EX The FILE_DISPOSITION_INFORMATION_EX structure is used as an argument to the ZwSetInformationFile routine and indicates how the operating system should delete a file.
FILE_FS_ATTRIBUTE_INFORMATION The FILE_FS_ATTRIBUTE_INFORMATION structure is used to query attribute information for a file system.
FILE_FS_CONTROL_INFORMATION Learn more about the FILE_FS_CONTROL_INFORMATION structure.
FILE_FS_DRIVER_PATH_INFORMATION The FILE_FS_DRIVER_PATH_INFORMATION structure is used to query whether a given driver is in the I/O path for a file system volume.
FILE_FS_FULL_SIZE_INFORMATION The FILE_FS_FULL_SIZE_INFORMATION structure is used to query sector size information for a file system volume.
FILE_FS_FULL_SIZE_INFORMATION_EX Used in a request to query sector size information for a file system volume.
FILE_FS_LABEL_INFORMATION The FILE_FS_LABEL_INFORMATION structure is used to set the label for a file system volume.
FILE_FS_OBJECTID_INFORMATION The FILE_FS_OBJECTID_INFORMATION structure is used to query or set the object ID for a file system volume.
FILE_FS_PERSISTENT_VOLUME_INFORMATION Learn more about the FILE_FS_PERSISTENT_VOLUME_INFORMATION structure.
FILE_FS_SECTOR_SIZE_INFORMATION The FILE_FS_SECTOR_SIZE_INFORMATION structure is used to query physical and logical sector size information for a file system volume.
FILE_FS_SIZE_INFORMATION The FILE_FS_SIZE_INFORMATION structure is used to query sector size information for a file system volume.
FILE_FS_VOLUME_INFORMATION The FILE_FS_VOLUME_INFORMATION structure is used to query information about a volume on which a file system is mounted.
FILE_FULL_DIR_INFORMATION The FILE_FULL_DIR_INFORMATION structure is used to query detailed information for the files in a directory.
FILE_GET_EA_INFORMATION The FILE_GET_EA_INFORMATION structure is used to query for extended-attribute (EA) information.
FILE_GET_QUOTA_INFORMATION The FILE_GET_QUOTA_INFORMATION structure is used to query for quota information.
FILE_ID_64_EXTD_BOTH_DIR_INFORMATION Learn more about the FILE_ID_64_EXTD_BOTH_DIR_INFORMATION structure.
FILE_ID_64_EXTD_DIR_INFORMATION Learn more about the FILE_ID_64_EXTD_DIR_INFORMATION structure.
FILE_ID_ALL_EXTD_BOTH_DIR_INFORMATION Learn more about the FILE_ID_ALL_EXTD_BOTH_DIR_INFORMATION structure.
FILE_ID_ALL_EXTD_DIR_INFORMATION Learn more about the FILE_ID_ALL_EXTD_DIR_INFORMATION structure.
FILE_ID_BOTH_DIR_INFORMATION The FILE_ID_BOTH_DIR_INFORMATION structure is used to query file reference number information for the files in a directory.
FILE_ID_EXTD_BOTH_DIR_INFORMATION Learn more about the FILE_ID_EXTD_BOTH_DIR_INFORMATION structure.
FILE_ID_EXTD_DIR_INFORMATION Learn more about the FILE_ID_EXTD_DIR_INFORMATION structure.
FILE_ID_FULL_DIR_INFORMATION The FILE_ID_FULL_DIR_INFORMATION structure is used to query detailed information for the files in a directory.
FILE_ID_GLOBAL_TX_DIR_INFORMATION The FILE_ID_GLOBAL_TX_DIR_INFORMATION structure contains information about transactional visibility for the files in a directory.
FILE_ID_INFORMATION FILE_ID_INFORMATION is used to query file identification information.
FILE_INTERNAL_INFORMATION Learn more about FILE_INTERNAL_INFORMATION structure.
FILE_KNOWN_FOLDER_INFORMATION Learn more about the FILE_KNOWN_FOLDER_INFORMATION structure.
FILE_LEVEL_TRIM The FILE_LEVEL_TRIM structure contains an array of byte ranges to trim for a file.
FILE_LEVEL_TRIM_OUTPUT The FILE_LEVEL_TRIM_OUTPUT structure contains the results of a trim operation performed by an FSCTL_FILE_LEVEL_TRIM request.
FILE_LEVEL_TRIM_RANGE Contains the offset and length of a trim range for a file.
FILE_LINK_ENTRY_INFORMATION The FILE_LINK_ENTRY_INFORMATION structure describes a single NTFS hard link to an existing file.
FILE_LINK_INFORMATION The FILE_LINK_INFORMATION structure is used to create an NTFS hard link to an existing file.
FILE_LINKS_INFORMATION Learn more about the FILE_LINKS_INFORMATION structure.
FILE_LOCK Learn more about the FILE_LOCK structure.
FILE_LOCK_INFO Learn more about the FILE_LOCK_INFO structure.
FILE_MAILSLOT_QUERY_INFORMATION The FILE_MAILSLOT_QUERY_INFORMATION structure contains information about a mailslot.
FILE_MAILSLOT_SET_INFORMATION The FILE_MAILSLOT_SET_INFORMATION structure is used to set a value on a mailslot.
FILE_MEMORY_PARTITION_INFORMATION Stores information about memory partition. This structure is used by the ZwSetInformationFile function.
FILE_NAMES_INFORMATION A FILE_NAMES_INFORMATION structure used to query detailed information about the names of files in a directory.
FILE_NETWORK_PHYSICAL_NAME_INFORMATION Learn more about _FILE_NETWORK_PHYSICAL_NAME_INFORMATION structure.
FILE_NOTIFY_EXTENDED_INFORMATION Learn more about the FILE_NOTIFY_EXTENDED_INFORMATION structure.
FILE_NOTIFY_FULL_INFORMATION Learn more about the FILE_NOTIFY_FULL_INFORMATION structure.
FILE_NOTIFY_INFORMATION Learn more about the FILE_NOTIFY_INFORMATION structure.
FILE_OBJECTID_INFORMATION Learn more about the FILE_OBJECTID_INFORMATION structure.
FILE_PIPE_INFORMATION The FILE_PIPE_INFORMATION structure contains information about a named pipe that is not specific to the local or the remote end of the pipe.
FILE_PIPE_LOCAL_INFORMATION The FILE_PIPE_LOCAL_INFORMATION structure contains information about the local end of a named pipe.
FILE_PIPE_REMOTE_INFORMATION The FILE_PIPE_REMOTE_INFORMATION structure contains information about the remote end of a named pipe.
FILE_PROVIDER_EXTERNAL_INFO_V0 Learn more about the FILE_PROVIDER_EXTERNAL_INFO_V0 structure.
FILE_PROVIDER_EXTERNAL_INFO_V1 Learn more about the FILE_PROVIDER_EXTERNAL_INFO_V1 structure.
FILE_QUOTA_INFORMATION The FILE_QUOTA_INFORMATION structure is used to query or set per-user quota information for each of the files in a directory.
FILE_REGION_INFO Learn more about the FILE_REGION_INFO structure.
FILE_REGION_INPUT Learn more about the FILE_REGION_INPUT structure.
FILE_REGION_OUTPUT Learn more about the FILE_REGION_OUTPUT structure.
FILE_REMOTE_PROTOCOL_INFORMATION The FILE_REMOTE_PROTOCOL_INFORMATION structure contains file remote protocol information.
FILE_RENAME_INFORMATION The FILE_RENAME_INFORMATION structure is used to rename a file.
FILE_REPARSE_POINT_INFORMATION The FILE_REPARSE_POINT_INFORMATION structure is used to query for information about a reparse point.
FILE_SFIO_RESERVE_INFORMATION FILE_SFIO_RESERVE_INFORMATION is used to query or set a file's reserved bandwidth information for scheduled file I/O (SFIO).
FILE_STANDARD_LINK_INFORMATION FILE_STANDARD_LINK_INFORMATION is used to query file link information.
FILE_STAT_BASIC_INFORMATION Learn more about FILE_STAT_BASIC_INFORMATION structure.
FILE_STAT_INFORMATION The FILE_STAT_INFORMATION structure contains metadata about a file.
FILE_STAT_LX_INFORMATION The FILE_STAT_LX_INFORMATION structure contains metadata about a file.
FILE_STORAGE_RESERVE_ID_INFORMATION Learn more about the FILE_STORAGE_RESERVE_ID_INFORMATION structure.
FILE_STREAM_INFORMATION Learn more about FILE_STREAM_INFORMATION structure.
FILE_TIMESTAMPS The FILE_TIMESTAMPS structure specifies the last recorded instance of specific actions on a file.
FILE_ZERO_DATA_INFORMATION The _FILE_ZERO_DATA_INFORMATION structure contains a range of a file to set to zeros. This structure is used by the FSCTL_SET_ZERO_DATA control code.
FILE_ZERO_DATA_INFORMATION_EX The _FILE_ZERO_DATA_INFORMATION_EX structure contains a range of a file to set to zeros. This structure is used by the FSCTL_SET_ZERO_DATA control code.
FILTER_AGGREGATE_BASIC_INFORMATION The FILTER_AGGREGATE_BASIC_INFORMATION structure contains basic information for a minifilter or legacy filter driver.
FILTER_AGGREGATE_STANDARD_INFORMATION The FILTER_AGGREGATE_STANDARD_INFORMATION structure contains information about a minifilter or legacy filter driver.
FILTER_FULL_INFORMATION The FILTER_FULL_INFORMATION structure contains full information for a minifilter driver.
FILTER_MESSAGE_HEADER The FILTER_MESSAGE_HEADER structure contains message header information.
FILTER_REPLY_HEADER The FILTER_REPLY_HEADER structure contains message reply header information.
FILTER_VOLUME_BASIC_INFORMATION The caller-allocated FILTER_VOLUME_BASIC_INFORMATION structure contains basic information for a volume.
FILTER_VOLUME_STANDARD_INFORMATION The caller-allocated FILTER_VOLUME_STANDARD_INFORMATION structure contains information for a volume.
FLT_CALLBACK_DATA The FLT_CALLBACK_DATA structure represents an I/O operation. The Filter Manager and minifilters use this structure to initiate and process I/O operations.
FLT_CALLBACK_DATA_QUEUE FLT_CALLBACK_DATA_QUEUE is an opaque structure that is used to specify the callback routines for a minifilter's callback data queue. Do not set the members of this structure directly. Use FltCbdqInitialize to initialize this structure.
FLT_CONTEXT_REGISTRATION The FLT_CONTEXT_REGISTRATION structure is used to register context types.
FLT_CREATEFILE_TARGET_ECP_CONTEXT The FLT_CREATEFILE_TARGET_ECP_CONTEXT structure is an extra create parameter (ECP) used to return reparse target information back to the caller of FltCreateFileEx2.
FLT_FILE_NAME_INFORMATION The FLT_FILE_NAME_INFORMATION structure contains file name information.
FLT_IO_PARAMETER_BLOCK The FLT_IO_PARAMETER_BLOCK structure contains the parameters for the I/O operation that is represented by a callback data (FLT_CALLBACK_DATA) structure.
FLT_NAME_CONTROL A minifilter that provides file names for the Filter Manager's name cache can use the FLT_NAME_CONTROL structure to manage its name buffers.
FLT_OPERATION_REGISTRATION The FLT_OPERATION_REGISTRATION structure is used to register operation callback routines.
FLT_PARAMETERS The FLT_PARAMETERS union defines, for a minifilter, the request-type-specific parameters associated with an I/O operation.
FLT_REGISTRATION The FLT_REGISTRATION structure is passed as a parameter to FltRegisterFilter.
FLT_RELATED_CONTEXTS The FLT_RELATED_CONTEXTS structure contains a minifilter driver's contexts for the objects associated with an I/O operation.
FLT_RELATED_CONTEXTS_EX The FLT_RELATED_CONTEXTS_EX structure contains a minifilter driver's contexts for the objects associated with an I/O operation.
FLT_RELATED_OBJECTS The FLT_RELATED_OBJECTS structure contains opaque pointers for the objects associated with an operation.
FLT_TAG_DATA_BUFFER The FLT_TAG_DATA_BUFFER structure contains information about a reparse point tag.
FLT_VOLUME_PROPERTIES The FLT_VOLUME_PROPERTIES structure is passed as a parameter to FltGetVolumeProperties.
FS_BPIO_INFO The FS_BPIO_INFO structure provides information about the BypassIO state of the volume.
FS_BPIO_INPUT The FS_BPIO_INPUT structure specifies the requested BypassIO operation and flags for the FSCTL_MANAGE_BYPASS_IO control code.
FS_BPIO_OUTPUT The FS_BPIO_OUTPUT structure is used to return information about the BypassIO operation for the FSCTL_MANAGE_BYPASS_IO control code.
FS_BPIO_RESULTS The FS_BPIO_RESULTS structure defines BypassIO operation-specific outputs for FS_BPIO_OP_ENABLE and FS_BPIO_OP_QUERY operations when a driver is failing the operation.
FS_FILTER_CALLBACK_DATA FS_FILTER_CALLBACK_DATA is the callback data structure for a FS_FILTER_CALLBACKS's FS_FILTER_CALLBACK or FS_FILTER_COMPLETION_CALLBACK operation.
FS_FILTER_CALLBACKS The FS_FILTER_CALLBACKS structure contains the entry points of caller-supplied notification callback routines.
FS_FILTER_SECTION_SYNC_OUTPUT The FS_FILTER_SECTION_SYNC_OUTPUT structure contains information describing the attributes of the section that is being created.
FSCTL_OFFLOAD_READ_INPUT Learn more about the FSCTL_OFFLOAD_READ_INPUT structure.
FSCTL_OFFLOAD_READ_OUTPUT The FSCTL_OFFLOAD_READ_OUTPUT structure contains the output for the FSCTL_OFFLOAD_READ control code request.
FSCTL_OFFLOAD_WRITE_INPUT Learn more about the FSCTL_OFFLOAD_WRITE_INPUT structure.
FSCTL_OFFLOAD_WRITE_OUTPUT Learn more about the FSCTL_OFFLOAD_WRITE_OUTPUT structure.
FSCTL_QUERY_VOLUME_NUMA_INFO_OUTPUT The FSCTL_QUERY_VOLUME_NUMA_INFO_OUTPUT structure specifies the Non-Uniform Memory Architecture (NUMA) node the volume resides on.
FSRTL_ADVANCED_FCB_HEADER The FSRTL_ADVANCED_FCB_HEADER structure contains context information that a file system maintains about a file.
FSRTL_COMMON_FCB_HEADER Learn more about the FSRTL_COMMON_FCB_HEADER structure.
FSRTL_PER_FILE_CONTEXT A legacy file system filter driver can use a FSRTL_PER_FILE_CONTEXT structure to associate driver-specific context information to an open file.
FSRTL_PER_FILEOBJECT_CONTEXT The opaque FSRTL_PER_FILEOBJECT_CONTEXT structure is used by the operating system to track file system filter-driver-defined context information structures for a file object.
FSRTL_PER_STREAM_CONTEXT The FSRTL_PER_STREAM_CONTEXT structure contains context information that a file system filter driver maintains about a file stream.
INSTANCE_AGGREGATE_STANDARD_INFORMATION The caller-allocated INSTANCE_AGGREGATE_STANDARD_INFORMATION structure contains information for either a minifilter driver instance or a legacy filter driver.
INSTANCE_BASIC_INFORMATION The INSTANCE_BASIC_INFORMATION structure contains basic information for a minifilter instance.
INSTANCE_FULL_INFORMATION The INSTANCE_FULL_INFORMATION structure contains full information for a minifilter instance.
INSTANCE_PARTIAL_INFORMATION The INSTANCE_PARTIAL_INFORMATION structure contains partial information for a minifilter instance.
IO_CREATE_STREAM_FILE_OPTIONS Learn more about the IO_CREATE_STREAM_FILE_OPTIONS structure.
IO_DEVICE_HINT_ECP_CONTEXT Learn more about the IO_DEVICE_HINT_ECP_CONTEXT structure.
IO_DRIVER_CREATE_CONTEXT The IO_DRIVER_CREATE_CONTEXT structure is used to pass additional parameters to the IoCreateFileEx and FltCreateFileEx2 routines.
IO_FOEXT_SILO_PARAMETERS This structure describes the Container context that's identified by the IoGetSiloParameters routine.
IO_PRIORITY_INFO The IO_PRIORITY_INFO structure is used to hold thread priority information.
IO_STOP_ON_SYMLINK_FILTER_ECP_v0 Learn more about: IO_STOP_ON_SYMLINK_FILTER_ECP_v0 structure
LINK_TRACKING_INFORMATION Learn more about the LINK_TRACKING_INFORMATION structure.
LUID_AND_ATTRIBUTES LUID_AND_ATTRIBUTES represents a locally unique identifier (LUID) and its attributes.
MARK_HANDLE_INFO A MARK_HANDLE_INFO structure is passed as the input buffer during a FSCTL_MARK_HANDLE control code request.
MARK_HANDLE_INFO32 Version of MARK_HANDLE_INFO structure used for thunking.
NETWORK_APP_INSTANCE_EA An Extended Attribute (EA) structure for processes using Server Message Block (SMB) Cluster Client Failover.
NETWORK_APP_INSTANCE_ECP_CONTEXT The NETWORK_APP_INSTANCE_ECP_CONTEXT structure is an Extra Create Parameter (ECP) and contains an application instance identifier to associate with a file.
NETWORK_OPEN_ECP_CONTEXT The NETWORK_OPEN_ECP_CONTEXT structure is used to interpret network extra create parameter (ECP) contexts on files.
NETWORK_OPEN_ECP_CONTEXT_V0 The NETWORK_OPEN_ECP_CONTEXT_V0 structure is used to interpret network extra create parameter (ECP) contexts on files.
NFS_OPEN_ECP_CONTEXT The NFS_OPEN_ECP_CONTEXT structure is used by the Network File System (NFS) server to open files in response to client requests.
OPEN_REPARSE_LIST Points to a list of OPEN_REPARSE_LIST_ENTRY structures that specify the tag and possibly GUID that should be opened directly without returning STATUS_REPARSE.
OPEN_REPARSE_LIST_ENTRY This structure supports callers opening specific reparse points without inhibiting reparse behavior for all classes of reparse points.
OPLOCK_KEY_CONTEXT The OPLOCK_KEY_CONTEXT structure is returned from IoGetOplockKeyContextEx. This structure contains oplock keys for a specific file object.
OPLOCK_KEY_ECP_CONTEXT Learn more about the OPLOCK_KEY_ECP_CONTEXT structure.
OPLOCK_NOTIFY_PARAMS The OPLOCK_NOTIFY_PARAMS structure is passed as a parameter to a NotifyRoutine callback when such a callback is provided to FsRtlCheckOplockEx2.
PREFETCH_OPEN_ECP_CONTEXT Learn more about the PREFETCH_OPEN_ECP_CONTEXT structure.
PUBLIC_OBJECT_BASIC_INFORMATION The PUBLIC_OBJECT_BASIC_INFORMATION structure holds a subset of the full information that is available for an object.
PUBLIC_OBJECT_TYPE_INFORMATION The PUBLIC_OBJECT_TYPE_INFORMATION structure holds the type name of the object.
QUERY_FILE_LAYOUT_INPUT The QUERY_FILE_LAYOUT_INPUT structure selects which file layout entries are returned from a FSCTL_QUERY_FILE_LAYOUT request.
QUERY_FILE_LAYOUT_OUTPUT The QUERY_FILE_LAYOUT_OUTPUT structure serves as a header for the file layout entries that are returned from a FSCTL_QUERY_FILE_LAYOUT request.
QUERY_ON_CREATE_EA_INFORMATION The QUERY_ON_CREATE_EA_INFORMATION structure is used to write file information when FltRequestFileInfoOnCreateCompletion is called with the QoCFileEaInformation flag set in the InfoClassFlags parameter.
QUERY_ON_CREATE_ECP_CONTEXT QUERY_ON_CREATE_ECP_CONTEXT is reserved for system use.
QUERY_ON_CREATE_FILE_LX_INFORMATION The QUERY_ON_CREATE_FILE_LX_INFORMATION structure is used to write a file's Linux metadata extended attributes when FltRequestFileInfoOnCreateCompletion is called with the QoCFileLxInformation flag set in the InfoClassFlags parameter.
QUERY_ON_CREATE_FILE_STAT_INFORMATION The QUERY_ON_CREATE_FILE_STAT_INFORMATION structure is used to write file information when FltRequestFileInfoOnCreateCompletion is called with the QoCFileStatInformation flag set in the InfoClassFlags parameter.
QUERY_PATH_REQUEST Learn more about the QUERY_PATH_REQUEST structure.
QUERY_PATH_REQUEST_EX Learn more about the QUERY_PATH_REQUEST_EX structure.
QUERY_PATH_RESPONSE Learn more about the QUERY_PATH_RESPONSE structure.
READ_AHEAD_PARAMETERS Learn more about the READ_AHEAD_PARAMETERS structure.
REARRANGE_FILE_DATA Learn more about the REARRANGE_FILE_DATA structure.
REFS_DEALLOCATE_RANGES_INPUT_BUFFER_EX Learn more about the REFS_DEALLOCATE_RANGES_INPUT_BUFFER_EX structure.
REFS_SMR_VOLUME_GC_PARAMETERS The REFS_SMR_VOLUME_GC_PARAMETERS structure.
REFS_SMR_VOLUME_INFO_OUTPUT The REFS_SMR_VOLUME_INFO_OUTPUT structure describes a Shingled Magnetic Recording (SMR) volume's current state on space and garbage collection activities.
REPARSE_DATA_BUFFER The REPARSE_DATA_BUFFER structure contains reparse point data for a Microsoft reparse point.
REPARSE_DATA_BUFFER_EX The REPARSE_DATA_BUFFER_EX structure contains data for a reparse point.
REPARSE_GUID_DATA_BUFFER The REPARSE_GUID_DATA_BUFFER structure contains reparse point data for a reparse point.
RKF_BYPASS_ECP_CONTEXT Learn more about the RKF_BYPASS_ECP_CONTEXT structure.
RTL_AVL_TABLE The RTL_AVL_TABLE structure contains file system-specific data for an Adelson-Velsky/Landis (AVL) tree.
RTL_GENERIC_TABLE The RTL_GENERIC_TABLE structure contains file system-specific data for a splay tree.
RTL_HEAP_PARAMETERS Learn more about the RTL_HEAP_PARAMETERS structure.
RTL_SEGMENT_HEAP_MEMORY_SOURCE The RTL_SEGMENT_HEAP_MEMORY_SOURCE structure specifies the segment heap memory source.
RTL_SEGMENT_HEAP_PARAMETERS The RTL_SEGMENT_HEAP_PARAMETERS structure contains the segment heap parameters.
RTL_SEGMENT_HEAP_VA_CALLBACKS Learn more about the RTL_SEGMENT_HEAP_VA_CALLBACKS structure.
RTL_SPLAY_LINKS The RTL_SPLAY_LINKS structure is an opaque structure and is used by the system to represent a splay link tree node.
RX_CONTEXT Learn more about the RX_CONTEXT structure.
SE_EXPORTS Learn more about the SE_EXPORTS structure.
SE_SID The SE_SID union holds the maximum-sized valid Security Identifier (SID). The structure occupies 68-bytes and is suitable for stack allocation.
SE_TOKEN_USER The SE_TOKEN_USER structure holds the maximum-sized valid user SID that can be returned by SeQueryInformationToken, GetTokenInformation, or ZwQueryInformationToken with the TokenUser information class. This structure is suitable for stack allocation.
SEC_CERTIFICATE_REQUEST_CONTEXT Learn more about the SEC_CERTIFICATE_REQUEST_CONTEXT structure.
SECURITY_DESCRIPTOR The SECURITY_DESCRIPTOR structure contains the security information associated with an object. Drivers use this structure to set and query an object's security status.
SECURITY_SUBJECT_CONTEXT The SECURITY_SUBJECT_CONTEXT structure is used to capture subject security context for access validation and auditing.
SET_CACHED_RUNS_STATE_INPUT_BUFFER Learn more about the SET_CACHED_RUNS_STATE_INPUT_BUFFER structure.
SET_DAX_ALLOC_ALIGNMENT_HINT_INPUT Learn more about the SET_DAX_ALLOC_ALIGNMENT_HINT_INPUT structure.
SET_PURGE_FAILURE_MODE_INPUT Learn more about the SET_PURGE_FAILURE_MODE_INPUT structure.
SHUFFLE_FILE_DATA Lear more about the SHUFFLE_FILE_DATA structure.
SID The security identifier (SID) structure is a variable-length structure used to uniquely identify users or groups.
SID_AND_ATTRIBUTES The SID_AND_ATTRIBUTES structure represents a security identifier (SID) and its attributes. SIDs are used to uniquely identify users or groups.
SID_AND_ATTRIBUTES_HASH Learn more about the SID_AND_ATTRIBUTES_HASH structure.
SID_IDENTIFIER_AUTHORITY The SID_IDENTIFIER_AUTHORITY structure represents the top-level authority of a security identifier (SID).
SRV_OPEN_ECP_CONTEXT The SRV_OPEN_ECP_CONTEXT structure is used by a server to conditionally open files in response to client requests.
SYSTEM_ALARM_ACE Reserved for future use.
SYSTEM_AUDIT_ACE The SYSTEM_AUDIT_ACE structure defines an access-control entry (ACE) for the system access-control list (ACL) specifying what types of access cause system-level notifications.
SYSTEM_PROCESS_TRUST_LABEL_ACE Reserved.
SYSTEM_RESOURCE_ATTRIBUTE_ACE The SYSTEM_RESOURCE_ATTRIBUTE_ACE structure defines an access-control entry (ACE) for the system access-control list (ACL) specifying what rights a particular claim has to a resource.
SYSTEM_SCOPED_POLICY_ID_ACE The SYSTEM_SCOPED_POLICY_ID_ACE structure defines an access-control entry (ACE) for the system access-control list (ACL) specifying rights for a scoped policy identifier.
TOKEN_ACCESS_INFORMATION Learn more about the TOKEN_ACCESS_INFORMATION structure.
TOKEN_CONTROL The TOKEN_CONTROL structure contains information that identifies an access token.
TOKEN_DEFAULT_DACL The TOKEN_DEFAULT_DACL structure specifies a discretionary access-control list (DACL).
TOKEN_GROUPS TOKEN_GROUPS contains information about the group security identifiers (SID) in an access token.
TOKEN_GROUPS_AND_PRIVILEGES TOKEN_GROUPS_AND_PRIVILEGES contains information about the group security identifiers (SIDs) and privileges in an access token.
TOKEN_MANDATORY_POLICY Learn more about the TOKEN_MANDATORY_POLICY structure.
TOKEN_ORIGIN The TOKEN_ORIGIN structure contains information about the origin of the logon session.
TOKEN_OWNER TOKEN_OWNER contains the default owner security identifier (SID) that will be applied to newly created objects.
TOKEN_PRIMARY_GROUP TOKEN_PRIMARY_GROUP specifies a group security identifier (SID) for an access token.
TOKEN_PRIVILEGES TOKEN_PRIVILEGES contains information about a set of privileges for an access token.
TOKEN_SOURCE TOKEN_SOURCE identifies the source of an access token.
TOKEN_STATISTICS TOKEN_STATISTICS contains information about an access token. A driver can retrieve this information by calling SeQueryInformationToken or ZwQueryInformationToken.
TOKEN_USER TOKEN_USER identifies the user associated with an access token.
TUNNEL Learn more about the TUNNEL structure.
TXN_PARAMETER_BLOCK The TXN_PARAMETER_BLOCK structure contains information about a transacted file operation.
VETO_BINDING_ECP_CONTEXT Learn more about the VETO_BINDING_ECP_CONTEXT structure.
VIRTUAL_STORAGE_SET_BEHAVIOR_INPUT Learn more about: _VIRTUAL_STORAGE_SET_BEHAVIOR_INPUT structure
VIRTUALIZATION_INSTANCE_INFO_INPUT_EX Learn more about: _VIRTUALIZATION_INSTANCE_INFO_INPUT_EX structure
VPB The volume parameter block (VPB) structure is used to map a device object that represents a mounted file system volume to a device object that represents a physical or virtual disk device.
WIM_PROVIDER_ADD_OVERLAY_INPUT Learn more about the WIM_PROVIDER_ADD_OVERLAY_INPUT structure.
WIM_PROVIDER_EXTERNAL_INFO Learn more about the WIM_PROVIDER_EXTERNAL_INFO structure.
WIM_PROVIDER_OVERLAY_ENTRY Learn more about the WIM_PROVIDER_OVERLAY_ENTRY structure.
WIM_PROVIDER_REMOVE_OVERLAY_INPUT Learn more about the WIM_PROVIDER_REMOVE_OVERLAY_INPUT structure.
WIM_PROVIDER_SUSPEND_OVERLAY_INPUT Learn more about the WIM_PROVIDER_SUSPEND_OVERLAY_INPUT structure.
WIM_PROVIDER_UPDATE_OVERLAY_INPUT Learn more about the WIM_PROVIDER_UPDATE_OVERLAY_INPUT structure.
WOF_EXTERNAL_FILE_ID Learn more about the WOF_EXTERNAL_FILE_ID structure.
WOF_EXTERNAL_INFO Learn more about the WOF_EXTERNAL_INFO structure.
WOF_VERSION_INFO Learn more about the WOF_VERSION_INFO structure.
WORK_QUEUE_ITEM The WORK_QUEUE_ITEM structure is used to post a work items to a system work queue.