xref: /openbsd/sys/kern/tty_conf.c (revision 133306f0)
1 /*	$OpenBSD: tty_conf.c,v 1.6 1999/04/22 20:02:41 art 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. All advertising materials mentioning features or use of this software
22  *    must display the following acknowledgement:
23  *	This product includes software developed by the University of
24  *	California, Berkeley and its contributors.
25  * 4. Neither the name of the University nor the names of its contributors
26  *    may be used to endorse or promote products derived from this software
27  *    without specific prior written permission.
28  *
29  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
30  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
31  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
32  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
33  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
34  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
35  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
36  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
37  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
38  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
39  * SUCH DAMAGE.
40  *
41  *	@(#)tty_conf.c	8.4 (Berkeley) 1/21/94
42  */
43 
44 #include <sys/param.h>
45 #include <sys/systm.h>
46 #include <sys/ioctl.h>
47 #include <sys/proc.h>
48 #include <sys/tty.h>
49 #include <sys/conf.h>
50 
51 #define	ttynodisc ((int (*) __P((dev_t, struct tty *)))enodev)
52 #define	ttyerrclose ((int (*) __P((struct tty *, int flags)))enodev)
53 #define	ttyerrio ((int (*) __P((struct tty *, struct uio *, int)))enodev)
54 #define	ttyerrinput ((int (*) __P((int c, struct tty *)))enodev)
55 #define	ttyerrstart ((int (*) __P((struct tty *)))enodev)
56 
57 int	nullioctl __P((struct tty *, u_long, caddr_t, int, struct proc *));
58 
59 #include "tb.h"
60 #if NTB > 0
61 int	tbopen __P((dev_t dev, struct tty *tp));
62 int	tbclose __P((struct tty *tp, int flags));
63 int	tbread __P((struct tty *tp, struct uio *uio, int flags));
64 int	tbtioctl __P((struct tty *tp, u_long cmd, caddr_t data,
65 			int flag, struct proc *p));
66 int	tbinput __P((int c, struct tty *tp));
67 #endif
68 
69 #include "sl.h"
70 #if NSL > 0
71 int	slopen __P((dev_t dev, struct tty *tp));
72 int	slclose __P((struct tty *tp, int flags));
73 int	sltioctl __P((struct tty *tp, u_long cmd, caddr_t data,
74 			int flag, struct proc *p));
75 int	slinput __P((int c, struct tty *tp));
76 int	slstart __P((struct tty *tp));
77 #endif
78 
79 #include "ppp.h"
80 #if NPPP > 0
81 int	pppopen __P((dev_t dev, struct tty *tp));
82 int	pppclose __P((struct tty *tp, int flags));
83 int	ppptioctl __P((struct tty *tp, u_long cmd, caddr_t data,
84 			int flag, struct proc *p));
85 int	pppinput __P((int c, struct tty *tp));
86 int	pppstart __P((struct tty *tp));
87 int	pppread __P((struct tty *tp, struct uio *uio, int flag));
88 int	pppwrite __P((struct tty *tp, struct uio *uio, int flag));
89 #endif
90 
91 #include "strip.h"
92 #if NSTRIP > 0
93 int	stripopen __P((dev_t dev, struct tty *tp));
94 int	stripclose __P((struct tty *tp, int flags));
95 int	striptioctl __P((struct tty *tp, u_long cmd, caddr_t data,
96 			int flag, struct proc *p));
97 int	stripinput __P((int c, struct tty *tp));
98 int	stripstart __P((struct tty *tp));
99 #endif
100 
101 struct	linesw linesw[] =
102 {
103 	{ ttyopen, ttylclose, ttread, ttwrite, nullioctl,
104 	  ttyinput, ttstart, ttymodem },		/* 0- termios */
105 
106 	{ ttynodisc, ttyerrclose, ttyerrio, ttyerrio, nullioctl,
107 	  ttyerrinput, ttyerrstart, nullmodem },	/* 1- defunct */
108 
109 #if defined(COMPAT_43) || defined(COMPAT_FREEBSD) || defined(COMPAT_BSDOS)
110 	{ ttyopen, ttylclose, ttread, ttwrite, nullioctl,
111 	  ttyinput, ttstart, ttymodem },		/* 2- old NTTYDISC */
112 #else
113 	{ ttynodisc, ttyerrclose, ttyerrio, ttyerrio, nullioctl,
114 	  ttyerrinput, ttyerrstart, nullmodem },	/* 2- defunct */
115 #endif
116 
117 #if NTB > 0
118 	{ tbopen, tbclose, tbread, ttyerrio, tbtioctl,
119 	  tbinput, ttstart, nullmodem },		/* 3- TABLDISC */
120 #else
121 	{ ttynodisc, ttyerrclose, ttyerrio, ttyerrio, nullioctl,
122 	  ttyerrinput, ttyerrstart, nullmodem },
123 #endif
124 
125 #if NSL > 0
126 	{ slopen, slclose, ttyerrio, ttyerrio, sltioctl,
127 	  slinput, slstart, nullmodem },		/* 4- SLIPDISC */
128 #else
129 	{ ttynodisc, ttyerrclose, ttyerrio, ttyerrio, nullioctl,
130 	  ttyerrinput, ttyerrstart, nullmodem },
131 #endif
132 
133 #if NPPP > 0
134 	{ pppopen, pppclose, pppread, pppwrite, ppptioctl,
135 	  pppinput, pppstart, ttymodem },		/* 5- PPPDISC */
136 #else
137 	{ ttynodisc, ttyerrclose, ttyerrio, ttyerrio, nullioctl,
138 	  ttyerrinput, ttyerrstart, nullmodem },
139 #endif
140 
141 #if NSTRIP > 0
142 	{ stripopen, stripclose, ttyerrio, ttyerrio, striptioctl,
143 	  stripinput, stripstart, nullmodem },		/* 6- STRIPDISC */
144 #else
145 	{ ttynodisc, ttyerrclose, ttyerrio, ttyerrio, nullioctl,
146 	  ttyerrinput, ttyerrstart, nullmodem },
147 #endif
148 };
149 
150 int	nlinesw = sizeof (linesw) / sizeof (linesw[0]);
151 
152 /*
153  * Do nothing specific version of line
154  * discipline specific ioctl command.
155  */
156 /*ARGSUSED*/
157 int
158 nullioctl(tp, cmd, data, flags, p)
159 	struct tty *tp;
160 	u_long cmd;
161 	char *data;
162 	int flags;
163 	struct proc *p;
164 {
165 
166 #ifdef lint
167 	tp = tp; data = data; flags = flags; p = p;
168 #endif
169 	return (-1);
170 }
171