Annotation of sys/kern/tty_conf.c, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: tty_conf.c,v 1.11 2006/08/03 16:13:24 mbalmer 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/ioctl.h>
! 43: #include <sys/proc.h>
! 44: #include <sys/tty.h>
! 45: #include <sys/conf.h>
! 46:
! 47: #define ttynodisc ((int (*)(dev_t, struct tty *))enodev)
! 48: #define ttyerrclose ((int (*)(struct tty *, int flags))enodev)
! 49: #define ttyerrio ((int (*)(struct tty *, struct uio *, int))enodev)
! 50: #define ttyerrinput ((int (*)(int c, struct tty *))enodev)
! 51: #define ttyerrstart ((int (*)(struct tty *))enodev)
! 52:
! 53: int nullioctl(struct tty *, u_long, caddr_t, int, struct proc *);
! 54:
! 55: #include "sl.h"
! 56: #if NSL > 0
! 57: int slopen(dev_t dev, struct tty *tp);
! 58: int slclose(struct tty *tp, int flags);
! 59: int sltioctl(struct tty *tp, u_long cmd, caddr_t data,
! 60: int flag, struct proc *p);
! 61: int slinput(int c, struct tty *tp);
! 62: int slstart(struct tty *tp);
! 63: #endif
! 64:
! 65: #include "ppp.h"
! 66: #if NPPP > 0
! 67: int pppopen(dev_t dev, struct tty *tp);
! 68: int pppclose(struct tty *tp, int flags);
! 69: int ppptioctl(struct tty *tp, u_long cmd, caddr_t data,
! 70: int flag, struct proc *p);
! 71: int pppinput(int c, struct tty *tp);
! 72: int pppstart(struct tty *tp);
! 73: int pppread(struct tty *tp, struct uio *uio, int flag);
! 74: int pppwrite(struct tty *tp, struct uio *uio, int flag);
! 75: #endif
! 76:
! 77: #include "strip.h"
! 78: #if NSTRIP > 0
! 79: int stripopen(dev_t dev, struct tty *tp);
! 80: int stripclose(struct tty *tp, int flags);
! 81: int striptioctl(struct tty *tp, u_long cmd, caddr_t data,
! 82: int flag, struct proc *p);
! 83: int stripinput(int c, struct tty *tp);
! 84: int stripstart(struct tty *tp);
! 85: #endif
! 86:
! 87: #include "nmea.h"
! 88: #if NNMEA > 0
! 89: int nmeaopen(dev_t, struct tty *);
! 90: int nmeaclose(struct tty *, int);
! 91: int nmeainput(int, struct tty *);
! 92: #endif
! 93:
! 94: struct linesw linesw[] =
! 95: {
! 96: { ttyopen, ttylclose, ttread, ttwrite, nullioctl,
! 97: ttyinput, ttstart, ttymodem }, /* 0- termios */
! 98:
! 99: { ttynodisc, ttyerrclose, ttyerrio, ttyerrio, nullioctl,
! 100: ttyerrinput, ttyerrstart, nullmodem }, /* 1- defunct */
! 101:
! 102: #if defined(COMPAT_43) || defined(COMPAT_FREEBSD) || defined(COMPAT_BSDOS)
! 103: { ttyopen, ttylclose, ttread, ttwrite, nullioctl,
! 104: ttyinput, ttstart, ttymodem }, /* 2- old NTTYDISC */
! 105: #else
! 106: { ttynodisc, ttyerrclose, ttyerrio, ttyerrio, nullioctl,
! 107: ttyerrinput, ttyerrstart, nullmodem }, /* 2- defunct */
! 108: #endif
! 109:
! 110: /* 3- TABLDISC (defunct) */
! 111: { ttynodisc, ttyerrclose, ttyerrio, ttyerrio, nullioctl,
! 112: ttyerrinput, ttyerrstart, nullmodem },
! 113:
! 114: #if NSL > 0
! 115: { slopen, slclose, ttyerrio, ttyerrio, sltioctl,
! 116: slinput, slstart, nullmodem }, /* 4- SLIPDISC */
! 117: #else
! 118: { ttynodisc, ttyerrclose, ttyerrio, ttyerrio, nullioctl,
! 119: ttyerrinput, ttyerrstart, nullmodem },
! 120: #endif
! 121:
! 122: #if NPPP > 0
! 123: { pppopen, pppclose, pppread, pppwrite, ppptioctl,
! 124: pppinput, pppstart, ttymodem }, /* 5- PPPDISC */
! 125: #else
! 126: { ttynodisc, ttyerrclose, ttyerrio, ttyerrio, nullioctl,
! 127: ttyerrinput, ttyerrstart, nullmodem },
! 128: #endif
! 129:
! 130: #if NSTRIP > 0
! 131: { stripopen, stripclose, ttyerrio, ttyerrio, striptioctl,
! 132: stripinput, stripstart, nullmodem }, /* 6- STRIPDISC */
! 133: #else
! 134: { ttynodisc, ttyerrclose, ttyerrio, ttyerrio, nullioctl,
! 135: ttyerrinput, ttyerrstart, nullmodem },
! 136: #endif
! 137:
! 138: #if NNMEA > 0
! 139: { nmeaopen, nmeaclose, ttread, ttwrite, nullioctl,
! 140: nmeainput, ttstart, ttymodem }, /* 7- NMEADISC */
! 141: #else
! 142: { ttynodisc, ttyerrclose, ttyerrio, ttyerrio, nullioctl,
! 143: ttyerrinput, ttyerrstart, nullmodem },
! 144: #endif
! 145: };
! 146:
! 147: int nlinesw = sizeof (linesw) / sizeof (linesw[0]);
! 148:
! 149: /*
! 150: * Do nothing specific version of line
! 151: * discipline specific ioctl command.
! 152: */
! 153: /*ARGSUSED*/
! 154: int
! 155: nullioctl(struct tty *tp, u_long cmd, char *data, int flags, struct proc *p)
! 156: {
! 157:
! 158: #ifdef lint
! 159: tp = tp; data = data; flags = flags; p = p;
! 160: #endif
! 161: return (-1);
! 162: }
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