#ifndef EXEC_IO_H
#define EXEC_IO_H
#ifndef EXEC_PORTS_H
#include "exec/ports.h"
#endif !EXEC_PORTS_H
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