#ifndef EXEC_IO_H
#define EXEC_IO_H
/*
** $Filename: exec/io.h $
** $Release: 2.04 Includes, V37.4 $
** $Revision: 36.4 $
** $Date: 90/05/10 $
**
** Message structures used for device communication
**
** (C) Copyright 1985-1991 Commodore-Amiga, Inc.
** All Rights Reserved
*/

#ifndef EXEC_PORTS_H
#include "exec/ports.h"
#endif 


struct IORequest {
 struct Message io_Message;
 struct Device *io_Device; 
 struct Unit *io_Unit; 
 UWORD io_Command; 
 UBYTE io_Flags;
 BYTE io_Error; 
};

struct IOStdReq {
 struct Message io_Message;
 struct Device *io_Device; 
 struct Unit *io_Unit; 
 UWORD io_Command; 
 UBYTE io_Flags;
 BYTE io_Error; 
 ULONG io_Actual; 
 ULONG io_Length; 
 APTR io_Data; 
 ULONG io_Offset; 
};


#define DEV_BEGINIO (-30)
#define DEV_ABORTIO (-36)


#define IOB_QUICK 0
#define IOF_QUICK (1<<0)


#define CMD_INVALID 0
#define CMD_RESET 1
#define CMD_READ 2
#define CMD_WRITE 3
#define CMD_UPDATE 4
#define CMD_CLEAR 5
#define CMD_STOP 6
#define CMD_START 7
#define CMD_FLUSH 8

#define CMD_NONSTD 9

#endif