/***************************************************************
程序名稱：Hello World for WDM
文件名稱：HelloWDM.h
作者：羅聰
日期：2002-8-16
***************************************************************/

//頭文件，只是聲明一些函數(shù)和變量，比較簡單就不多說了，請(qǐng)讀者自行研究：

#ifdef __cplusplus

extern "C"
{
#endif

#include "ntddk.h"

#ifdef __cplusplus
}
#endif

typedef struct _DEVICE_EXTENSION
{
    PDEVICE_OBJECT    fdo;
    PDEVICE_OBJECT    NextStackDevice;
    UNICODE_STRING    ifSymLinkName;

} DEVICE_EXTENSION, *PDEVICE_EXTENSION;

NTSTATUS HelloWDMAddDevice(IN PDRIVER_OBJECT DriverObject,
                           IN PDEVICE_OBJECT PhysicalDeviceObject);

VOID Wdm1Unload(IN PDRIVER_OBJECT DriverObject);

NTSTATUS HelloWDMPnp(IN PDEVICE_OBJECT fdo,
                        IN PIRP Irp);

NTSTATUS Wdm1Create(IN PDEVICE_OBJECT fdo,
					IN PIRP Irp);

NTSTATUS Wdm1Close(	IN PDEVICE_OBJECT fdo,
					IN PIRP Irp);

NTSTATUS Wdm1DeviceControl(	IN PDEVICE_OBJECT fdo,
							IN PIRP Irp);

NTSTATUS Wdm1Write(	IN PDEVICE_OBJECT fdo,
					IN PIRP Irp);

NTSTATUS Wdm1Read(	IN PDEVICE_OBJECT fdo,
					IN PIRP Irp);

NTSTATUS CompleteIrp( PIRP Irp, NTSTATUS status, ULONG info);