1 /*- 2 * Copyright (c) 1982, 1986, 1991, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * %sccs.include.redist.c% 6 * 7 * @(#)tty_conf.c 8.3 (Berkeley) 09/23/93 8 */ 9 10 #include <sys/param.h> 11 #include <sys/systm.h> 12 #include <sys/buf.h> 13 #include <sys/ioctl.h> 14 #include <sys/proc.h> 15 #include <sys/tty.h> 16 #include <sys/conf.h> 17 18 #define ttynodisc ((int (*) __P((dev_t, struct tty *)))enodev) 19 #define ttyerrclose ((int (*) __P((struct tty *, int flags)))enodev) 20 #define ttyerrio ((int (*) __P((struct tty *, struct uio *, int)))enodev) 21 #define ttyerrinput ((int (*) __P((int c, struct tty *)))enodev) 22 #define ttyerrstart ((int (*) __P((struct tty *)))enodev) 23 24 int nullioctl __P((struct tty *tp, int cmd, caddr_t data, 25 int flag, struct proc *p)); 26 27 #include "tb.h" 28 #if NTB > 0 29 int tbopen __P((dev_t dev, struct tty *tp)); 30 int tbclose __P((struct tty *tp, int flags)); 31 int tbread __P((struct tty *, struct uio *, int flags)); 32 int tbioctl __P((struct tty *tp, int cmd, caddr_t data, 33 int flag, struct proc *p)); 34 int tbinput __P((int c, struct tty *tp)); 35 #endif 36 37 #include "sl.h" 38 #if NSL > 0 39 int slopen __P((dev_t dev, struct tty *tp)); 40 int slclose __P((struct tty *tp, int flags)); 41 int sltioctl __P((struct tty *tp, int cmd, caddr_t data, 42 int flag, struct proc *p)); 43 int slinput __P((int c, struct tty *tp)); 44 int slstart __P((struct tty *tp)); 45 #endif 46 47 48 struct linesw linesw[] = 49 { 50 { ttyopen, ttylclose, ttread, ttwrite, nullioctl, 51 ttyinput, ttstart, ttymodem }, /* 0- termios */ 52 53 { ttynodisc, ttyerrclose, ttyerrio, ttyerrio, nullioctl, 54 ttyerrinput, ttyerrstart, nullmodem }, /* 1- defunct */ 55 56 { ttynodisc, ttyerrclose, ttyerrio, ttyerrio, nullioctl, 57 ttyerrinput, ttyerrstart, nullmodem }, /* 2- defunct */ 58 59 #if NTB > 0 60 { tbopen, tbclose, tbread, enodev, tbioctl, 61 tbinput, ttstart, nullmodem }, /* 3- TABLDISC */ 62 #else 63 { ttynodisc, ttyerrclose, ttyerrio, ttyerrio, nullioctl, 64 ttyerrinput, ttyerrstart, nullmodem }, 65 #endif 66 67 #if NSL > 0 68 { slopen, slclose, ttyerrio, ttyerrio, sltioctl, 69 slinput, slstart, nullmodem }, /* 4- SLIPDISC */ 70 #else 71 { ttynodisc, ttyerrclose, ttyerrio, ttyerrio, nullioctl, 72 ttyerrinput, ttyerrstart, nullmodem }, 73 #endif 74 }; 75 76 int nlinesw = sizeof (linesw) / sizeof (linesw[0]); 77 78 /* 79 * Do nothing specific version of line 80 * discipline specific ioctl command. 81 */ 82 /*ARGSUSED*/ 83 nullioctl(tp, cmd, data, flags, p) 84 struct tty *tp; 85 int cmd; 86 char *data; 87 int flags; 88 struct proc *p; 89 { 90 91 #ifdef lint 92 tp = tp; data = data; flags = flags; p = p; 93 #endif 94 return (-1); 95 } 96