conf.h revision 1542 
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 */
40
41/*
42 * Definitions of device driver entry switches
43 */
44
45struct buf;
46struct proc;
47struct tty;
48struct uio;
49struct vnode;
50
51struct bdevsw {
52	int	(*d_open)	__P((dev_t dev, int oflags, int devtype,
53				     struct proc *p));
54	int	(*d_close)	__P((dev_t dev, int fflag, int devtype,
55				     struct proc *p));
56	int	(*d_strategy)	__P((struct buf *bp));
57	int	(*d_ioctl)	__P((dev_t dev, int cmd, caddr_t data,
58				     int fflag, struct proc *p));
59	int	(*d_dump)	();	/* parameters vary by architecture */
60	int	(*d_psize)	__P((dev_t dev));
61	int	d_flags;
62};
63
64#ifdef KERNEL
65extern struct bdevsw bdevsw[];
66#endif
67
68struct cdevsw {
69	int	(*d_open)	__P((dev_t dev, int oflags, int devtype,
70				     struct proc *p));
71	int	(*d_close)	__P((dev_t dev, int fflag, int devtype,
72				     struct proc *));
73	int	(*d_read)	__P((dev_t dev, struct uio *uio, int ioflag));
74	int	(*d_write)	__P((dev_t dev, struct uio *uio, int ioflag));
75	int	(*d_ioctl)	__P((dev_t dev, int cmd, caddr_t data,
76				     int fflag, struct proc *p));
77	int	(*d_stop)	__P((struct tty *tp, int rw));
78	int	(*d_reset)	__P((int uban));	/* XXX */
79	struct	tty *d_ttys;
80	int	(*d_select)	__P((dev_t dev, int which, struct proc *p));
81	int	(*d_mmap)	__P(());
82	int	(*d_strategy)	__P((struct buf *bp));
83};
84
85#ifdef KERNEL
86extern struct cdevsw cdevsw[];
87
88/* symbolic sleep message strings */
89extern char devopn[], devio[], devwait[], devin[], devout[];
90extern char devioc[], devcls[];
91#endif
92
93struct linesw {
94	int	(*l_open)	__P((dev_t dev, struct tty *tp));
95	int	(*l_close)	__P((struct tty *tp, int flag));
96	int	(*l_read)	__P((struct tty *tp, struct uio *uio,
97				     int flag));
98	int	(*l_write)	__P((struct tty *tp, struct uio *uio,
99				     int flag));
100	int	(*l_ioctl)	__P((struct tty *tp, int cmd, caddr_t data,
101				     int flag, struct proc *p));
102	int	(*l_rint)	__P((int c, struct tty *tp));
103	int	(*l_start)	__P((struct tty *tp));
104	int	(*l_modem)	__P((struct tty *tp, int flag));
105};
106
107#ifdef KERNEL
108extern struct linesw linesw[];
109#endif
110
111struct swdevt {
112	dev_t	sw_dev;
113	int	sw_flags;
114	int	sw_nblks;
115	struct	vnode *sw_vp;
116};
117#define	SW_FREED	0x01
118#define	SW_SEQUENTIAL	0x02
119#define sw_freed	sw_flags	/* XXX compat */
120
121#ifdef KERNEL
122extern struct swdevt swdevt[];
123#endif
124