conf.h revision 6276
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 1.7 1995/01/23 02:52:28 phk 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(()); 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 int 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((/* XXX */)); 69 70struct bdevsw { 71 d_open_t *d_open; 72 d_close_t *d_close; 73 d_strategy_t *d_strategy; 74 d_ioctl_t *d_ioctl; 75 d_dump_t *d_dump; 76 d_psize_t *d_psize; 77 int d_flags; 78}; 79 80#ifdef KERNEL 81extern struct bdevsw bdevsw[]; 82#endif 83 84struct cdevsw { 85 d_open_t *d_open; 86 d_close_t *d_close; 87 d_rdwr_t *d_read; 88 d_rdwr_t *d_write; 89 d_ioctl_t *d_ioctl; 90 d_stop_t *d_stop; 91 d_reset_t *d_reset; 92 struct tty *d_ttys; 93 d_select_t *d_select; 94 d_mmap_t *d_mmap; 95 d_strategy_t *d_strategy; 96}; 97 98#ifdef KERNEL 99extern struct cdevsw cdevsw[]; 100 101/* symbolic sleep message strings */ 102extern char devopn[], devio[], devwait[], devin[], devout[]; 103extern char devioc[], devcls[]; 104#endif 105 106struct linesw { 107 int (*l_open) __P((dev_t dev, struct tty *tp)); 108 int (*l_close) __P((struct tty *tp, int flag)); 109 int (*l_read) __P((struct tty *tp, struct uio *uio, 110 int flag)); 111 int (*l_write) __P((struct tty *tp, struct uio *uio, 112 int flag)); 113 int (*l_ioctl) __P((struct tty *tp, int cmd, caddr_t data, 114 int flag, struct proc *p)); 115 int (*l_rint) __P((int c, struct tty *tp)); 116 int (*l_start) __P((struct tty *tp)); 117 int (*l_modem) __P((struct tty *tp, int flag)); 118}; 119 120#ifdef KERNEL 121extern struct linesw linesw[]; 122#endif 123 124struct swdevt { 125 dev_t sw_dev; 126 int sw_flags; 127 int sw_nblks; 128 struct vnode *sw_vp; 129}; 130#define SW_FREED 0x01 131#define SW_SEQUENTIAL 0x02 132#define sw_freed sw_flags /* XXX compat */ 133 134#ifdef KERNEL 135extern struct swdevt swdevt[]; 136 137dev_t chrtoblk __P((dev_t dev)); 138int isdisk __P((dev_t dev, int type)); 139int iskmemdev __P((dev_t dev)); 140int iszerodev __P((dev_t dev)); 141#endif 142 143#endif /* !_SYS_CONF_H_ */ 144