xref: /openbsd/sys/kern/tty_conf.c (revision 73471bf0)
1 /*	$OpenBSD: tty_conf.c,v 1.23 2015/12/22 20:31:51 sf Exp $	*/
2 /*	$NetBSD: tty_conf.c,v 1.18 1996/05/19 17:17:55 jonathan Exp $	*/
3 
4 /*-
5  * Copyright (c) 1982, 1986, 1991, 1993
6  *	The Regents of the University of California.  All rights reserved.
7  * (c) UNIX System Laboratories, Inc.
8  * All or some portions of this file are derived from material licensed
9  * to the University of California by American Telephone and Telegraph
10  * Co. or Unix System Laboratories, Inc. and are reproduced herein with
11  * the permission of UNIX System Laboratories, Inc.
12  *
13  * Redistribution and use in source and binary forms, with or without
14  * modification, are permitted provided that the following conditions
15  * are met:
16  * 1. Redistributions of source code must retain the above copyright
17  *    notice, this list of conditions and the following disclaimer.
18  * 2. Redistributions in binary form must reproduce the above copyright
19  *    notice, this list of conditions and the following disclaimer in the
20  *    documentation and/or other materials provided with the distribution.
21  * 3. Neither the name of the University nor the names of its contributors
22  *    may be used to endorse or promote products derived from this software
23  *    without specific prior written permission.
24  *
25  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
26  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35  * SUCH DAMAGE.
36  *
37  *	@(#)tty_conf.c	8.4 (Berkeley) 1/21/94
38  */
39 
40 #include <sys/param.h>
41 #include <sys/systm.h>
42 #include <sys/tty.h>
43 #include <sys/conf.h>
44 
45 #include "ppp.h"
46 #include "nmea.h"
47 #include "msts.h"
48 #include "endrun.h"
49 
50 #define	ttynodisc ((int (*)(dev_t, struct tty *, struct proc *))enodev)
51 #define	ttyerrclose ((int (*)(struct tty *, int flags, struct proc *))enodev)
52 #define	ttyerrio ((int (*)(struct tty *, struct uio *, int))enodev)
53 #define	ttyerrinput ((int (*)(int c, struct tty *))enodev)
54 #define	ttyerrstart ((int (*)(struct tty *))enodev)
55 
56 struct	linesw linesw[] =
57 {
58 	{ ttyopen, ttylclose, ttread, ttwrite, nullioctl,
59 	  ttyinput, ttstart, ttymodem },		/* 0- termios */
60 
61 	{ ttynodisc, ttyerrclose, ttyerrio, ttyerrio, nullioctl,
62 	  ttyerrinput, ttyerrstart, nullmodem },	/* 1- defunct */
63 
64 	/* 2- old NTTYDISC (defunct) */
65 	{ ttynodisc, ttyerrclose, ttyerrio, ttyerrio, nullioctl,
66 	  ttyerrinput, ttyerrstart, nullmodem },
67 
68 	/* 3- TABLDISC (defunct) */
69 	{ ttynodisc, ttyerrclose, ttyerrio, ttyerrio, nullioctl,
70 	  ttyerrinput, ttyerrstart, nullmodem },
71 
72 	/* 4- SLIPDISC (defunct) */
73 	{ ttynodisc, ttyerrclose, ttyerrio, ttyerrio, nullioctl,
74 	  ttyerrinput, ttyerrstart, nullmodem },
75 
76 #if NPPP > 0
77 	{ pppopen, pppclose, pppread, pppwrite, ppptioctl,
78 	  pppinput, pppstart, ttymodem },		/* 5- PPPDISC */
79 #else
80 	{ ttynodisc, ttyerrclose, ttyerrio, ttyerrio, nullioctl,
81 	  ttyerrinput, ttyerrstart, nullmodem },
82 #endif
83 
84 	/* 6- STRIPDISC (defunct) */
85 	{ ttynodisc, ttyerrclose, ttyerrio, ttyerrio, nullioctl,
86 	  ttyerrinput, ttyerrstart, nullmodem },
87 
88 #if NNMEA > 0
89 	{ nmeaopen, nmeaclose, ttread, ttwrite, nullioctl,
90 	  nmeainput, ttstart, ttymodem },		/* 7- NMEADISC */
91 #else
92 	{ ttynodisc, ttyerrclose, ttyerrio, ttyerrio, nullioctl,
93 	  ttyerrinput, ttyerrstart, nullmodem },
94 #endif
95 
96 #if NMSTS > 0
97 	{ mstsopen, mstsclose, ttread, ttwrite, nullioctl,
98 	  mstsinput, ttstart, ttymodem },		/* 8- MSTSDISC */
99 #else
100 	{ ttynodisc, ttyerrclose, ttyerrio, ttyerrio, nullioctl,
101 	  ttyerrinput, ttyerrstart, nullmodem },
102 #endif
103 
104 #if NENDRUN > 0
105 	{ endrunopen, endrunclose, ttread, ttwrite, nullioctl,
106 	  endruninput, ttstart, ttymodem },		/* 9- ENDRUNDISC */
107 #else
108 	{ ttynodisc, ttyerrclose, ttyerrio, ttyerrio, nullioctl,
109 	  ttyerrinput, ttyerrstart, nullmodem },
110 #endif
111 };
112 
113 int	nlinesw = sizeof (linesw) / sizeof (linesw[0]);
114 
115 /*
116  * Do nothing specific version of line
117  * discipline specific ioctl command.
118  */
119 int
120 nullioctl(struct tty *tp, u_long cmd, char *data, int flags, struct proc *p)
121 {
122 	return (-1);
123 }
124