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wd_dev.h in windows_file_monitor

			
///
///	@file	wd_dev.h
///	@brief	设备和驱动相关.如果你直接包含这个头文件,
///			在包含之前必须包含DDK相关头文件.(你可以
///			选择WDM或者IFS或者NDIS相关头文件.)
///	@author tan wen 谭文
///	@date	2005-12-20
///

#ifndef _WD_DEV_HEADER_
#define _WD_DEV_HEADER_

#include "wdf.h"			//< 依赖wdf.h
#include "wd_mem.h"	//< 依赖mem.h
#include "wd_ustr.h"		//< 依赖ustr.h

typedef OBJECT_NAME_INFORMATION wd_obj_name;
typedef DEVICE_TYPE wd_dev_type;
typedef HANDLE wd_handle;
typedef ACCESS_MASK wd_mask;

// 你必须定义一个g_cdo,如果你为你的驱动定义了一个
// 控制设备的话.如果你没有控制设备,你可以定义一个
// g_cdo.并设置为空.其他几个函数也是类似的.如果全
// 局变量没有定义,不能通过编译连接.如果没有正确赋
// 值,调用以下函数会得到错误结果.
extern wd_dev *g_cdo;
_inline wd_bool wd_is_my_cdo(wd_dev *dev)
{
	return (dev == g_cdo);
}
extern wd_drv *g_drv;
_inline wd_bool wd_is_my_drv(wd_drv *drv)
{
	return (g_drv == drv);
}

// old
enum {
	wdf_dev_secure_open = FILE_DEVICE_SECURE_OPEN
};

// old
enum {
	wd_dev_disk_fs = FILE_DEVICE_DISK_FILE_SYSTEM,
	wd_dev_cdrom_fs = FILE_DEVICE_CD_ROM_FILE_SYSTEM,
	wd_dev_network_fs = FILE_DEVICE_NETWORK_FILE_SYSTEM
};

_inline wd_void wd_obj_ref(wd_void *obj)
{	ObReferenceObject(obj);	}

_inline wd_void wd_obj_deref(wd_void *obj)
{	ObDereferenceObject(obj);	}

_inline wd_void * wd_dev_ext(wd_dev *dev) 
{	return (dev->DeviceExtension);	}

_inline wd_dev * wd_dev_attached(wd_dev *dev)
{	return dev->AttachedDevice;	}

typedef VPB wd_vpb;
_inline wd_vpb * wd_dev_vbp(wd_dev *dev)
{	return dev->Vpb;	}

_inline wd_dev * wd_vbp_dev(wd_vpb *vpb)
{	return vpb->DeviceObject;	}

_inline wd_stat wd_dev_create(in wd_drv *drv,
							  in wd_size ext_size,
							  in wd_ustr *name optional,
							  in wd_dev_type type,
							  in wd_ulong dev_chars,
							  in wd_bool exclusive,
								

			...
			...
			... to be continued.

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