/*
 *  DEVICES/PARNET.H
 *
 * (c)Copyright 1992 Obvious Implementations Corp, All Rights Reserved
 */

#ifndef DEVICES_PARNET_H
#define DEVICES_PARNET_H

#ifndef PARNET_SRC
#define UNIT   APTR
#define DEVICE APTR
#else
#define UNIT struct Unit
#define DEVICE Device
#endif

typedef struct {
    struct  Message io_Message;
    DEVICE  *io_Device; 	    /* device node pointer	*/
    UNIT    *io_Unit;		    /* unit (protocol private)	*/
    UWORD   io_Command; 	    /* device command		*/
    UBYTE   io_Flags;		    /* IOF_QUICK		*/
    BYTE    io_Error;		    /* error or warning num	*/
    ULONG   io_Actual;		    /* actual number of bytes transferred   */
    ULONG   io_Length;		    /* requested number bytes transferred   */
    APTR    io_Data;		    /* points to data area		    */
    ULONG   io_Offset;		    /* offset for block structured devices  */
    UWORD   io_Port;
    UWORD   io_Addr;
    APTR    io_Data2;		    /* more data			    */
    ULONG   io_Length2; 	    /* must be 0 if you do not use these fields */
} IOParReq;

/*
 *  OpenDevice(), protocols.
 *
 *  DEFAULT
 */

#define PRO_MASK	0x001F
#define PRO_CONTROL	0x0000
#define PRO_DGRAM	0x0001
#define PRO_STREAM	0x0002

#define PRO_LAST	PRO_STREAM

/*
 *  Extended Command Set
 */

#define PPD_SETADDR	(CMD_NONSTD+0)	    /*	set my network address	*/
#define PPD_SETTO	(CMD_NONSTD+1)	    /*	set network timeout	*/
#define PPD_SHUTDOWN	(CMD_NONSTD+2)	    /*	shutdown a stream conn. */
#define PPD_CONNECT	(CMD_NONSTD+3)	    /*	connect to a port	*/
#define PPD_LISTEN	(CMD_NONSTD+5)	    /*	listen for a connection */

/*
 *  Extended Error codes    (placed in io_Actual for OpenDevice() call)
 */

#define PPERR_NOPORTRES     -32 	/*  can't get MR_PARALLELPORT misc res. */
#define PPERR_NOBITSRES     -33 	/*  can't get MR_PARALLELBITS misc res. */
#define PPERR_NOTASK	    -34 	/*  can't create sub task               */
#define PPERR_NOINT	    -35 	/*  can't allocate CIAA-FLAG interrupt  */
#define PPERR_BADPROTOCOL   -36 	/*  illegal protocol requested		*/
#define PPERR_BADFLAGS	    -37 	/*  illegal flags for protocol		*/
#define PPERR_ILLPORT	    -38 	/*  illegal port for protocol			*/
#define PPERR_ILLPORTLSN    -39 	/*  somebody already listening on that port!	*/
#define PPERR_NOTIMPL	    -40 	/*  not implemented yet.		*/

#define PPERR_WARN_OVFLOW   -41 	/*  dgram, data overflow		*/
#define PPERR_PORT_IN_USE   -42 	/*  port is in use by another protocol	*/
#define PPERR_NO_PORTS	    -43 	/*  no more ports available !!		*/
#define PPERR_HOSTDOWN1     -44 	/*  remote machine does not respond	*/
#define PPERR_HOSTDOWN2     -45 	/*  remote machine does not respond	*/

#endif