#pragma once


EXTERN_C_START

DRIVER_INITIALIZE DriverEntry;
NTSTATUS
DriverEntry(
    _In_ PDRIVER_OBJECT DriverObject,
    _In_ PUNICODE_STRING RegistryPath
);

NTSTATUS
Bs1FltInstanceSetup(
    _In_ PCFLT_RELATED_OBJECTS FltObjects,
    _In_ FLT_INSTANCE_SETUP_FLAGS Flags,
    _In_ DEVICE_TYPE VolumeDeviceType,
    _In_ FLT_FILESYSTEM_TYPE VolumeFilesystemType
);

VOID
Bs1FltCleanupVolumeContext(
    __in PFLT_CONTEXT Context,
    __in FLT_CONTEXT_TYPE ContextType
);

VOID
Bs1FltInstanceTeardownStart(
    _In_ PCFLT_RELATED_OBJECTS FltObjects,
    _In_ FLT_INSTANCE_TEARDOWN_FLAGS Flags
);

VOID
Bs1FltInstanceTeardownComplete(
    _In_ PCFLT_RELATED_OBJECTS FltObjects,
    _In_ FLT_INSTANCE_TEARDOWN_FLAGS Flags
);

NTSTATUS
Bs1FltUnload(
    _In_ FLT_FILTER_UNLOAD_FLAGS Flags
);

NTSTATUS
Bs1FltInstanceQueryTeardown(
    _In_ PCFLT_RELATED_OBJECTS FltObjects,
    _In_ FLT_INSTANCE_QUERY_TEARDOWN_FLAGS Flags
);

FLT_PREOP_CALLBACK_STATUS
Bs1FltPreOperation(
    _Inout_ PFLT_CALLBACK_DATA Data,
    _In_ PCFLT_RELATED_OBJECTS FltObjects,
    _Flt_CompletionContext_Outptr_ PVOID* CompletionContext
);

VOID
Bs1FltOperationStatusCallback(
    _In_ PCFLT_RELATED_OBJECTS FltObjects,
    _In_ PFLT_IO_PARAMETER_BLOCK ParameterSnapshot,
    _In_ NTSTATUS OperationStatus,
    _In_ PVOID RequesterContext
);

FLT_POSTOP_CALLBACK_STATUS
Bs1FltPostOperation(
    _Inout_ PFLT_CALLBACK_DATA Data,
    _In_ PCFLT_RELATED_OBJECTS FltObjects,
    _In_opt_ PVOID CompletionContext,
    _In_ FLT_POST_OPERATION_FLAGS Flags
);

FLT_PREOP_CALLBACK_STATUS
Bs1FltPreRead(
    __inout PFLT_CALLBACK_DATA Data,
    __in PCFLT_RELATED_OBJECTS FltObjects,
    __deref_out_opt PVOID* CompletionContext
);

FLT_PREOP_CALLBACK_STATUS
Bs1FltPreOperationNoPostOperation(
    _Inout_ PFLT_CALLBACK_DATA Data,
    _In_ PCFLT_RELATED_OBJECTS FltObjects,
    _Flt_CompletionContext_Outptr_ PVOID* CompletionContext
);

BOOLEAN
Bs1FltDoRequestOperationStatus(
    _In_ PFLT_CALLBACK_DATA Data
);

#define		READ_MODE		(FILE_READ_DATA|FILE_READ_ATTRIBUTES|FILE_READ_EA)
#define		WRITE_MODE		(FILE_WRITE_DATA|FILE_WRITE_ATTRIBUTES|FILE_WRITE_EA|FILE_APPEND_DATA)

EXTERN_C_END