huangyhg

3) winio.h
#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

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