1 /*- 2 * Copyright (c) 1982, 1986, 1991, 1993 3 * The Regents of the University of California. All rights reserved. 4 * (c) UNIX System Laboratories, Inc. 5 * All or some portions of this file are derived from material licensed 6 * to the University of California by American Telephone and Telegraph 7 * Co. or Unix System Laboratories, Inc. and are reproduced herein with 8 * the permission of UNIX System Laboratories, Inc. 9 * 10 * %sccs.include.redist.c% 11 * 12 * @(#)tty_conf.c 8.4 (Berkeley) 01/21/94 13 */ 14 15 #include <sys/param.h> 16 #include <sys/systm.h> 17 #include <sys/buf.h> 18 #include <sys/ioctl.h> 19 #include <sys/proc.h> 20 #include <sys/tty.h> 21 #include <sys/conf.h> 22 23 #define ttynodisc ((int (*) __P((dev_t, struct tty *)))enodev) 24 #define ttyerrclose ((int (*) __P((struct tty *, int flags)))enodev) 25 #define ttyerrio ((int (*) __P((struct tty *, struct uio *, int)))enodev) 26 #define ttyerrinput ((int (*) __P((int c, struct tty *)))enodev) 27 #define ttyerrstart ((int (*) __P((struct tty *)))enodev) 28 29 int nullioctl __P((struct tty *tp, int cmd, caddr_t data, 30 int flag, struct proc *p)); 31 32 #include "tb.h" 33 #if NTB > 0 34 int tbopen __P((dev_t dev, struct tty *tp)); 35 int tbclose __P((struct tty *tp, int flags)); 36 int tbread __P((struct tty *, struct uio *, int flags)); 37 int tbioctl __P((struct tty *tp, int cmd, caddr_t data, 38 int flag, struct proc *p)); 39 int tbinput __P((int c, struct tty *tp)); 40 #endif 41 42 #include "sl.h" 43 #if NSL > 0 44 int slopen __P((dev_t dev, struct tty *tp)); 45 int slclose __P((struct tty *tp, int flags)); 46 int sltioctl __P((struct tty *tp, int cmd, caddr_t data, 47 int flag, struct proc *p)); 48 int slinput __P((int c, struct tty *tp)); 49 int slstart __P((struct tty *tp)); 50 #endif 51 52 53 struct linesw linesw[] = 54 { 55 { ttyopen, ttylclose, ttread, ttwrite, nullioctl, 56 ttyinput, ttstart, ttymodem }, /* 0- termios */ 57 58 { ttynodisc, ttyerrclose, ttyerrio, ttyerrio, nullioctl, 59 ttyerrinput, ttyerrstart, nullmodem }, /* 1- defunct */ 60 61 { ttynodisc, ttyerrclose, ttyerrio, ttyerrio, nullioctl, 62 ttyerrinput, ttyerrstart, nullmodem }, /* 2- defunct */ 63 64 #if NTB > 0 65 { tbopen, tbclose, tbread, enodev, tbioctl, 66 tbinput, ttstart, nullmodem }, /* 3- TABLDISC */ 67 #else 68 { ttynodisc, ttyerrclose, ttyerrio, ttyerrio, nullioctl, 69 ttyerrinput, ttyerrstart, nullmodem }, 70 #endif 71 72 #if NSL > 0 73 { slopen, slclose, ttyerrio, ttyerrio, sltioctl, 74 slinput, slstart, nullmodem }, /* 4- SLIPDISC */ 75 #else 76 { ttynodisc, ttyerrclose, ttyerrio, ttyerrio, nullioctl, 77 ttyerrinput, ttyerrstart, nullmodem }, 78 #endif 79 }; 80 81 int nlinesw = sizeof (linesw) / sizeof (linesw[0]); 82 83 /* 84 * Do nothing specific version of line 85 * discipline specific ioctl command. 86 */ 87 /*ARGSUSED*/ 88 nullioctl(tp, cmd, data, flags, p) 89 struct tty *tp; 90 int cmd; 91 char *data; 92 int flags; 93 struct proc *p; 94 { 95 96 #ifdef lint 97 tp = tp; data = data; flags = flags; p = p; 98 #endif 99 return (-1); 100 } 101