#ifndef __INCLUDE_DDK_NTIFS_H
#define __INCLUDE_DDK_NTIFS_H

struct _BCB;

typedef struct _BCB* PBCB;

struct _MEMORY_AREA;

struct _CACHE_SEGMENT;

typedef struct _CACHE_SEGMENT* PCACHE_SEGMENT;

NTSTATUS STDCALL
CcRosReleaseCacheSegment (struct _BCB*		Bcb,
			  struct _CACHE_SEGMENT*	CacheSeg,
			  BOOLEAN		Valid,
			  BOOLEAN Dirty,
			  BOOLEAN Mapped);
NTSTATUS STDCALL
CcRosRequestCacheSegment (struct _BCB*		Bcb,
		       ULONG		FileOffset,
		       PVOID* BaseAddress,
		       PBOOLEAN	UptoDate,
		       struct _CACHE_SEGMENT** CacheSeg);
NTSTATUS STDCALL
CcRosInitializeFileCache (PFILE_OBJECT	FileObject,
		       struct _BCB** Bcb,
		       ULONG CacheSegmentSize);
NTSTATUS STDCALL
CcRosReleaseFileCache (PFILE_OBJECT	FileObject,
		    struct _BCB*		Bcb);

#include <ddk/cctypes.h>

#include <ddk/ccfuncs.h>

#include <ddk/fstypes.h>
#include <ddk/fsfuncs.h>

typedef struct _FSRTL_COMMON_FCB_HEADER
{
    CSHORT NodeTypeCode;
    CSHORT NodeByteSize;
    UCHAR Flags;
    UCHAR IsFastIoPossible; // really type FAST_IO_POSSIBLE
    UCHAR Flags2;
    UCHAR Reserved;	/* always 0 */
    PERESOURCE Resource;
    PERESOURCE PagingIoResource;
    LARGE_INTEGER AllocationSize;
    LARGE_INTEGER FileSize;
    LARGE_INTEGER ValidDataLength;
} FSRTL_COMMON_FCB_HEADER;
typedef FSRTL_COMMON_FCB_HEADER *PFSRTL_COMMON_FCB_HEADER;

//  This Fcb header is used for files which support caching
//  of compressed data, and related new support.

typedef struct _FSRTL_ADVANCED_FCB_HEADER
{
    FSRTL_COMMON_FCB_HEADER common_fcb_header;

    //  The following two fields are supported only if
    //  Flags2 contains FSRTL_FLAG2_SUPPORTS_FILTER_CONTEXTS
    //
    //  This is a pointer to a Fast Mutex which may be used to
    //  properly synchronize access to the FsRtl header.  The
    //  Fast Mutex must be nonpaged.
    PFAST_MUTEX FastMutex;

    // This is a pointer to a list of context structures belonging to
    // filesystem filter drivers that are linked above the filesystem.
    // Each structure is headed by FSRTL_FILTER_CONTEXT.
    LIST_ENTRY FilterContexts;
} FSRTL_ADVANCED_FCB_HEADER;
typedef FSRTL_ADVANCED_FCB_HEADER *PFSRTL_ADVANCED_FCB_HEADER;

#endif /* __INCLUDE_DDK_NTIFS_H */