pci.h

pci2040VxD驱动非常详细的源程序

typedef struct _MapDevRequest
{
	PVOID	mdr_PhysicalAddress;	//送出的物理地址
	DWORD	mdr_SizeInBytes;		//地址空间的大小
	PVOID	mdr_LinearAddress;		//返回的线性地址
	WORD	mdr_Status;				// MDR_xxxx 成功或失败的标志位
} MAPDEVREQUEST, *PMAPDEVREQUEST;

#define MDR_SERVICE_MAP		CTL_CODE(FILE_DEVICE_UNKNOWN, 1, METHOD_NEITHER, FILE_ANY_ACCESS)
#define MDR_SERVICE_UNMAP	CTL_CODE(FILE_DEVICE_UNKNOWN, 2, METHOD_NEITHER, FILE_ANY_ACCESS)
#define TEST  				CTL_CODE(FILE_DEVICE_UNKNOWN, 3, METHOD_NEITHER, FILE_ANY_ACCESS)
#define GETIRQ				CTL_CODE(FILE_DEVICE_UNKNOWN, 4, METHOD_NEITHER, FILE_ANY_ACCESS)
#define GETMEMBASE0			CTL_CODE(FILE_DEVICE_UNKNOWN, 5, METHOD_NEITHER, FILE_ANY_ACCESS)
#define GETMEMBASE1			CTL_CODE(FILE_DEVICE_UNKNOWN, 6, METHOD_NEITHER, FILE_ANY_ACCESS)
#define GETIOBASE    		CTL_CODE(FILE_DEVICE_UNKNOWN, 7, METHOD_NEITHER, FILE_ANY_ACCESS)
#define ADDRPASS    		CTL_CODE(FILE_DEVICE_UNKNOWN, 8, METHOD_NEITHER, FILE_ANY_ACCESS)
#define MDR_STATUS_SUCCESS	1
#define MDR_STATUS_ERROR	0