FreeBSD/Linux Kernel Cross Reference
sys/kern/tty_conf.c

     /*      $OpenBSD: tty_conf.c,v 1.23 2015/12/22 20:31:51 sf Exp $        */
     /*      $NetBSD: tty_conf.c,v 1.18 1996/05/19 17:17:55 jonathan Exp $   */
     
     /*-
      * Copyright (c) 1982, 1986, 1991, 1993
      *      The Regents of the University of California.  All rights reserved.
      * (c) UNIX System Laboratories, Inc.
      * All or some portions of this file are derived from material licensed
      * to the University of California by American Telephone and Telegraph
     * Co. or Unix System Laboratories, Inc. and are reproduced herein with
     * the permission of UNIX System Laboratories, Inc.
     *
     * Redistribution and use in source and binary forms, with or without
     * modification, are permitted provided that the following conditions
     * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     * 3. Neither the name of the University nor the names of its contributors
     *    may be used to endorse or promote products derived from this software
     *    without specific prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     * SUCH DAMAGE.
     *
     *      @(#)tty_conf.c  8.4 (Berkeley) 1/21/94
     */
    
    #include <sys/param.h>
    #include <sys/systm.h>
    #include <sys/tty.h>
    #include <sys/conf.h>
    
    #include "ppp.h"
    #include "nmea.h"
    #include "msts.h"
    #include "endrun.h"
    
    #define ttynodisc ((int (*)(dev_t, struct tty *, struct proc *))enodev)
    #define ttyerrclose ((int (*)(struct tty *, int flags, struct proc *))enodev)
    #define ttyerrio ((int (*)(struct tty *, struct uio *, int))enodev)
    #define ttyerrinput ((int (*)(int c, struct tty *))enodev)
    #define ttyerrstart ((int (*)(struct tty *))enodev)
    
    struct  linesw linesw[] =
    {
            { ttyopen, ttylclose, ttread, ttwrite, nullioctl,
              ttyinput, ttstart, ttymodem },                /* 0- termios */
    
            { ttynodisc, ttyerrclose, ttyerrio, ttyerrio, nullioctl,
              ttyerrinput, ttyerrstart, nullmodem },        /* 1- defunct */
    
            /* 2- old NTTYDISC (defunct) */
            { ttynodisc, ttyerrclose, ttyerrio, ttyerrio, nullioctl,
              ttyerrinput, ttyerrstart, nullmodem },
    
            /* 3- TABLDISC (defunct) */
            { ttynodisc, ttyerrclose, ttyerrio, ttyerrio, nullioctl,
              ttyerrinput, ttyerrstart, nullmodem },
    
            /* 4- SLIPDISC (defunct) */
            { ttynodisc, ttyerrclose, ttyerrio, ttyerrio, nullioctl,
              ttyerrinput, ttyerrstart, nullmodem },
    
    #if NPPP > 0
            { pppopen, pppclose, pppread, pppwrite, ppptioctl,
              pppinput, pppstart, ttymodem },               /* 5- PPPDISC */
    #else
            { ttynodisc, ttyerrclose, ttyerrio, ttyerrio, nullioctl,
              ttyerrinput, ttyerrstart, nullmodem },
    #endif
    
            /* 6- STRIPDISC (defunct) */
            { ttynodisc, ttyerrclose, ttyerrio, ttyerrio, nullioctl,
              ttyerrinput, ttyerrstart, nullmodem },
    
    #if NNMEA > 0
            { nmeaopen, nmeaclose, ttread, ttwrite, nullioctl,
              nmeainput, ttstart, ttymodem },               /* 7- NMEADISC */
    #else
            { ttynodisc, ttyerrclose, ttyerrio, ttyerrio, nullioctl,
              ttyerrinput, ttyerrstart, nullmodem },
    #endif
    
    #if NMSTS > 0
            { mstsopen, mstsclose, ttread, ttwrite, nullioctl,
              mstsinput, ttstart, ttymodem },               /* 8- MSTSDISC */
    #else
           { ttynodisc, ttyerrclose, ttyerrio, ttyerrio, nullioctl,
             ttyerrinput, ttyerrstart, nullmodem },
   #endif
   
   #if NENDRUN > 0
           { endrunopen, endrunclose, ttread, ttwrite, nullioctl,
             endruninput, ttstart, ttymodem },             /* 9- ENDRUNDISC */
   #else
           { ttynodisc, ttyerrclose, ttyerrio, ttyerrio, nullioctl,
             ttyerrinput, ttyerrstart, nullmodem },
   #endif
   };
   
   int     nlinesw = sizeof (linesw) / sizeof (linesw[0]);
   
   /*
    * Do nothing specific version of line
    * discipline specific ioctl command.
    */
   int
   nullioctl(struct tty *tp, u_long cmd, char *data, int flags, struct proc *p)
   {
           return (-1);
   }

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