conf.h revision 12071
1/*- 2 * Copyright (c) 1990, 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 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the University of 21 * California, Berkeley and its contributors. 22 * 4. Neither the name of the University nor the names of its contributors 23 * may be used to endorse or promote products derived from this software 24 * without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 29 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 * 38 * @(#)conf.h 8.3 (Berkeley) 1/21/94 39 * $Id: conf.h,v 1.18 1995/10/04 03:43:18 julian Exp $ 40 */ 41 42#ifndef _SYS_CONF_H_ 43#define _SYS_CONF_H_ 44 45/* 46 * Definitions of device driver entry switches 47 */ 48 49struct buf; 50struct proc; 51struct tty; 52struct uio; 53struct vnode; 54 55typedef void d_strategy_t __P((struct buf *)); 56typedef int d_open_t __P((dev_t, int, int, struct proc *)); 57typedef int d_close_t __P((dev_t, int, int, struct proc *)); 58typedef int d_ioctl_t __P((dev_t, int, caddr_t, int, struct proc *)); 59typedef int d_dump_t __P((dev_t)); 60typedef int d_psize_t __P((dev_t)); 61 62typedef int d_read_t __P((dev_t, struct uio *, int)); 63typedef int d_write_t __P((dev_t, struct uio *, int)); 64typedef int d_rdwr_t __P((dev_t, struct uio *, int)); 65typedef void d_stop_t __P((struct tty *, int)); 66typedef int d_reset_t __P((int)); 67typedef int d_select_t __P((dev_t, int, struct proc *)); 68typedef int d_mmap_t __P((dev_t, int, int)); 69typedef struct tty * d_ttycv_t __P((dev_t)); 70 71struct bdevsw { 72 d_open_t *d_open; 73 d_close_t *d_close; 74 d_strategy_t *d_strategy; 75 d_ioctl_t *d_ioctl; 76 d_dump_t *d_dump; 77 d_psize_t *d_psize; 78 int d_flags; 79}; 80 81#ifdef KERNEL 82extern struct bdevsw bdevsw[]; 83#endif 84 85struct cdevsw { 86 d_open_t *d_open; 87 d_close_t *d_close; 88 d_rdwr_t *d_read; 89 d_rdwr_t *d_write; 90 d_ioctl_t *d_ioctl; 91 d_stop_t *d_stop; 92 d_reset_t *d_reset; 93 d_ttycv_t *d_devtotty; 94 d_select_t *d_select; 95 d_mmap_t *d_mmap; 96 d_strategy_t *d_strategy; 97}; 98 99#ifdef KERNEL 100extern struct cdevsw cdevsw[]; 101 102/* symbolic sleep message strings */ 103extern char devopn[], devio[], devwait[], devin[], devout[]; 104extern char devioc[], devcls[]; 105#endif 106 107struct linesw { 108 int (*l_open) __P((dev_t dev, struct tty *tp)); 109 int (*l_close) __P((struct tty *tp, int flag)); 110 int (*l_read) __P((struct tty *tp, struct uio *uio, 111 int flag)); 112 int (*l_write) __P((struct tty *tp, struct uio *uio, 113 int flag)); 114 int (*l_ioctl) __P((struct tty *tp, int cmd, caddr_t data, 115 int flag, struct proc *p)); 116 int (*l_rint) __P((int c, struct tty *tp)); 117 int (*l_start) __P((struct tty *tp)); 118 int (*l_modem) __P((struct tty *tp, int flag)); 119}; 120 121#ifdef KERNEL 122extern struct linesw linesw[]; 123extern int nlinesw; 124 125int ldisc_register __P((int , struct linesw *)); 126void ldisc_deregister __P((int)); 127#define LDISC_LOAD -1 /* Loadable line discipline */ 128#endif 129 130struct swdevt { 131 dev_t sw_dev; 132 int sw_flags; 133 int sw_nblks; 134 struct vnode *sw_vp; 135}; 136#define SW_FREED 0x01 137#define SW_SEQUENTIAL 0x02 138#define sw_freed sw_flags /* XXX compat */ 139 140#ifdef KERNEL 141d_reset_t noreset; 142d_mmap_t nommap; 143d_strategy_t nostrategy; 144 145d_open_t nullopen; 146d_close_t nullclose; 147d_stop_t nullstop; 148d_reset_t nullreset; 149/* 150 * XXX d_strategy seems to be unused for cdevs and called without checking 151 * for it being non-NULL for bdevs. 152 */ 153#define nullstrategy ((d_strategy *)NULL) 154 155dev_t chrtoblk __P((dev_t dev)); 156int getmajorbyname __P((const char *name)); 157int isdisk __P((dev_t dev, int type)); 158int iskmemdev __P((dev_t dev)); 159int iszerodev __P((dev_t dev)); 160int register_cdev __P((const char *name, const struct cdevsw *cdp)); 161int setdumpdev __P((dev_t)); 162int unregister_cdev __P((const char *name, const struct cdevsw *cdp)); 163#ifdef JREMOD 164int cdevsw_add __P((dev_t *descrip,struct cdevsw *new,struct cdevsw *old)); 165int bdevsw_add __P((dev_t *descrip,struct bdevsw *new,struct bdevsw *old)); 166#endif 167#endif 168 169#include <machine/conf.h> 170 171#endif /* !_SYS_CONF_H_ */ 172