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WinIo_NT.h：源码内容

							#ifndef WINIONT_H
#define WINIONT_H
// Define the various device type values.  Note that values used by Microsoft
// Corporation are in the range 0-32767, and 32768-65535 are reserved for use
// by customers.
#define FILE_DEVICE_WINIO 0x00008010
// Macro definition for defining IOCTL and FSCTL function control codes.
// Note that function codes 0-2047 are reserved for Microsoft Corporation,
// and 2048-4095 are reserved for customers.
#define WINIO_IOCTL_INDEX 0x810
// Define our own private IOCTL
#define IOCTL_WINIO_MAPPHYSTOLIN     CTL_CODE(FILE_DEVICE_WINIO,  
                                     WINIO_IOCTL_INDEX,      
                                     METHOD_BUFFERED,        
                                     FILE_ANY_ACCESS)
#define IOCTL_WINIO_UNMAPPHYSADDR    CTL_CODE(FILE_DEVICE_WINIO,  
                                     WINIO_IOCTL_INDEX + 1,  
                                     METHOD_BUFFERED,        
                                     FILE_ANY_ACCESS)
#define IOCTL_WINIO_ENABLEDIRECTIO   CTL_CODE(FILE_DEVICE_WINIO,  
                                     WINIO_IOCTL_INDEX + 2,   
                                     METHOD_BUFFERED,         
                                     FILE_ANY_ACCESS)
#define IOCTL_WINIO_DISABLEDIRECTIO  CTL_CODE(FILE_DEVICE_WINIO,  
                                     WINIO_IOCTL_INDEX + 3,   
                                     METHOD_BUFFERED,         
                                     FILE_ANY_ACCESS)
#pragma pack(1)
struct tagPhys32Struct
{
  HANDLE PhysicalMemoryHandle;
  ULONG dwPhysMemSizeInBytes;
  PVOID pvPhysAddress;
  PVOID pvPhysMemLin;
};
extern struct tagPhys32Struct Phys32Struct;
#endif

						