dirmon.h

这个是FileBackup的一个组件

#ifndef __DIRMON_H__
#define __DIRMON_H__

// DIRMON.h - include file for VxD DIRMON

#include <vtoolsc.h>

#define DIRMON_Major		1
#define DIRMON_Minor		0
//#define DIRMON_DeviceID		DIRMON_DEVICE_ID
//#define DIRMON_Init_Order	DIRMON_INIT_ORDER
#define DIRMON_DeviceID		UNDEFINED_DEVICE_ID
#define DIRMON_Init_Order	UNDEFINED_INIT_ORDER

//	Macro used for overlapped operation
#define PAGENUM(p) (((ULONG)(p)) >> 12)
#define _NPAGES_(p, k)  ((PAGENUM((char*)p+(k-1)) - PAGENUM(p)) + 1)

//
// Partial undocumented IFSREQ structure
//
typedef struct
{
	// embedded ioreq stucture
	ioreq				ifsir;
	// the structure isn't really defined this way, but
	// we take advantage of the layout for our purposes
	struct hndlfunc		*ifs_hndl;
	ULONG				reserved[10];
} ifsreq, *pifsreq;

#if 0
/* full ifsreq structure */
typedef struct
{
	ioreq			ifs_ir;			/* 00 - nested ioreq structure */
	/* These members are known only to IFSMgr */
//	fhandle*		ifs_pfh;		/* 74 - ptr to fhandle structure */
	void*			ifs_pfh;		/* 74 - ptr to fhandle structure */
	void*			ifs_psft;		/* 78 - ptr to SFT entry */
//	shres*			ifs_psr;		/* 7C - ptr to shell resource */
	void*			ifs_psr;		/* 7C - ptr to shell resource */
	DWORD			ifs_pdb;		/* 80 - linear base address of owner PSP */
	DWORD			ifs_proid;		/* 84 - provider ID */
	BYTE			ifs_func;		/* 88 - function of dispatched command */
	BYTE			ifs_drv;		/* 89 - drive of dispatched command */
	BYTE			ifs_hflag;		/* 8A - flags of dispatched command */
	BYTE			ifs_nflags;		/* 8B - flags of dispatched command */
	void*			ifs_pbuffer;	/* 8C - ptr to parse buffer */
//	HVM				ifs_VMHandle;	/* 90 - VM of request */
	void*			ifs_VMHandle;	/* 90 - VM of request */
	void*			ifs_PV;			/* 94 - ptr to per-VM data area */
	/* Client registers follow - three possible structures are used */
	union
	{
		CLIENT_STRUCT ifs_crs; /* "standard" client register structure */ 
		/* Server DOS Call structure */
		/* IFSMgr_Ring0_FileIO structure */ 
	};
} _ifsreq;
#endif


#endif	//	__DIRMON_H__