#ifndef WINIO_H#define WINIO_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_WRITEPORT     CTL_CODE(FILE_DEVICE_WINIO,  \                                  WINIO_IOCTL_INDEX + 2,   \                                  METHOD_BUFFERED,         \                                  FILE_ANY_ACCESS)#define IOCTL_WINIO_READPORT      CTL_CODE(FILE_DEVICE_WINIO,  \                                  WINIO_IOCTL_INDEX + 3,   \                                  METHOD_BUFFERED,         \                                  FILE_ANY_ACCESS)struct tagPhys32Struct{  HANDLE PhysicalMemoryHandle;  ULONG dwPhysMemSizeInBytes;  PVOID pvPhysAddress;  PVOID pvPhysMemLin;};extern struct tagPhys32Struct Phys32Struct;struct tagPort32Struct{  USHORT wPortAddr;  ULONG dwPortVal;  UCHAR bSize;};extern struct tagPort32Struct Port32Struct;#endif