tty_conf.c revision 1.18
1 /* $NetBSD: tty_conf.c,v 1.18 1996/05/19 17:17:55 jonathan Exp $ */ 2 3 /*- 4 * Copyright (c) 1982, 1986, 1991, 1993 5 * The Regents of the University of California. All rights reserved. 6 * (c) UNIX System Laboratories, Inc. 7 * All or some portions of this file are derived from material licensed 8 * to the University of California by American Telephone and Telegraph 9 * Co. or Unix System Laboratories, Inc. and are reproduced herein with 10 * the permission of UNIX System Laboratories, Inc. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. All advertising materials mentioning features or use of this software 21 * must display the following acknowledgement: 22 * This product includes software developed by the University of 23 * California, Berkeley and its contributors. 24 * 4. Neither the name of the University nor the names of its contributors 25 * may be used to endorse or promote products derived from this software 26 * without specific prior written permission. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 29 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 31 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 37 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 38 * SUCH DAMAGE. 39 * 40 * @(#)tty_conf.c 8.4 (Berkeley) 1/21/94 41 */ 42 43 #include <sys/param.h> 44 #include <sys/systm.h> 45 #include <sys/buf.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) 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- STRIPIPDISC */ 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
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