source: rtems/c/src/libnetworking/sys/conf.h @ 39e6e65a

4.104.114.84.95
Last change on this file since 39e6e65a was 39e6e65a, checked in by Joel Sherrill <joel.sherrill@…>, on 08/19/98 at 21:32:28

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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      8.5 (Berkeley) 1/9/95
39 * $Id$
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 int d_open_t __P((dev_t dev, int oflags, int devtype, struct proc *p));
56typedef int d_close_t __P((dev_t dev, int fflag, int devtype, struct proc *p));
57typedef void d_strategy_t __P((struct buf *bp));
58typedef int d_ioctl_t __P((dev_t dev, int cmd, caddr_t data,
59                           int fflag, struct proc *p));
60typedef int d_dump_t __P((dev_t dev));
61typedef int d_psize_t __P((dev_t dev));
62
63typedef int d_read_t __P((dev_t dev, struct uio *uio, int ioflag));
64typedef int d_write_t __P((dev_t dev, struct uio *uio, int ioflag));
65typedef void d_stop_t __P((struct tty *tp, int rw));
66typedef int d_reset_t __P((dev_t dev));
67typedef struct tty *d_devtotty_t __P((dev_t dev));
68typedef int d_select_t __P((dev_t dev, int which, struct proc *p));
69typedef int d_mmap_t __P((dev_t dev, int offset, int nprot));
70
71typedef int l_open_t __P((dev_t dev, struct tty *tp));
72typedef int l_close_t __P((struct tty *tp, int flag));
73typedef int l_read_t __P((struct tty *tp, struct uio *uio, int flag));
74typedef int l_write_t __P((struct tty *tp, struct uio *uio, int flag));
75typedef int l_ioctl_t __P((struct tty *tp, int cmd, caddr_t data,
76                           int flag, struct proc *p));
77typedef int l_rint_t __P((int c, struct tty *tp));
78typedef int l_start_t __P((struct tty *tp));
79typedef int l_modem_t __P((struct tty *tp, int flag));
80
81/*
82 * Block device switch table
83 */
84struct bdevsw {
85        d_open_t        *d_open;
86        d_close_t       *d_close;
87        d_strategy_t    *d_strategy;
88        d_ioctl_t       *d_ioctl;
89        d_dump_t        *d_dump;
90        d_psize_t       *d_psize;
91        int             d_flags;
92        char            *d_name;        /* name of the driver e.g. audio */
93        struct cdevsw   *d_cdev;        /* cross pointer to the cdev */
94        int             d_maj;          /* the major number we were assigned */
95};
96
97#ifdef KERNEL
98extern struct bdevsw *bdevsw[];
99#endif
100
101/*
102 * Character device switch table
103 */
104struct cdevsw {
105        d_open_t        *d_open;
106        d_close_t       *d_close;
107        d_read_t        *d_read;
108        d_write_t       *d_write;
109        d_ioctl_t       *d_ioctl;
110        d_stop_t        *d_stop;
111        d_reset_t       *d_reset;       /* XXX not used */
112        d_devtotty_t    *d_devtotty;
113        d_select_t      *d_select;
114        d_mmap_t        *d_mmap;
115        d_strategy_t    *d_strategy;
116        char            *d_name;        /* see above */
117        struct bdevsw   *d_bdev;
118        int             d_maj;
119};
120
121#ifdef KERNEL
122extern struct cdevsw *cdevsw[];
123#endif
124
125/*
126 * Line discipline switch table
127 */
128struct linesw {
129        l_open_t        *l_open;
130        l_close_t       *l_close;
131        l_read_t        *l_read;
132        l_write_t       *l_write;
133        l_ioctl_t       *l_ioctl;
134        l_rint_t        *l_rint;
135        l_start_t       *l_start;
136        l_modem_t       *l_modem;
137};
138
139#ifdef KERNEL
140extern struct linesw linesw[];
141extern int nlinesw;
142
143int ldisc_register __P((int , struct linesw *));
144void ldisc_deregister __P((int));
145#define LDISC_LOAD      -1              /* Loadable line discipline */
146#endif
147
148/*
149 * Swap device table
150 */
151struct swdevt {
152        dev_t   sw_dev;
153        int     sw_flags;
154        int     sw_nblks;
155        struct  vnode *sw_vp;
156};
157#define SW_FREED        0x01
158#define SW_SEQUENTIAL   0x02
159#define sw_freed        sw_flags        /* XXX compat */
160
161#ifdef KERNEL
162d_open_t        noopen;
163d_close_t       noclose;
164d_read_t        noread;
165d_write_t       nowrite;
166d_ioctl_t       noioctl;
167d_stop_t        nostop;
168d_reset_t       noreset;
169d_devtotty_t    nodevtotty;
170d_select_t      noselect;
171d_mmap_t        nommap;
172
173/* Bogus defines for compatibility. */
174#define noioc           noioctl
175#define nostrat         nostrategy
176#define zerosize        nopsize
177/*
178 * XXX d_strategy seems to be unused for cdevs that aren't associated with
179 * bdevs and called without checking for it being non-NULL for bdevs.
180 */
181#define nostrategy      ((d_strategy_t *)NULL)
182
183d_dump_t        nodump;
184
185/*
186 * nopsize is little used, so not worth having dummy functions for.
187 */
188#define nopsize ((d_psize_t *)NULL)
189
190d_open_t        nullopen;
191d_close_t       nullclose;
192#define nullstop nostop         /* one void return is as good as another */
193#define nullreset noreset       /* one unused function is as good as another */
194
195d_open_t        nxopen;
196d_close_t       nxclose;
197d_read_t        nxread;
198d_write_t       nxwrite;
199d_ioctl_t       nxioctl;
200#define nxstop  nostop          /* one void return is as good as another */
201#define nxreset noreset         /* one unused function is as good as another */
202#define nxdevtotty nodevtotty   /* one NULL return is as good as another */
203d_select_t      nxselect;
204#define nxmmap  nommap          /* one -1 return is as good as another */
205#define nxstrategy nostrategy   /* one NULL value is as good as another */
206d_dump_t        nxdump;
207#define nxpsize nopsize         /* one NULL value is as good as another */
208
209d_read_t        rawread;
210d_write_t       rawwrite;
211
212l_read_t        l_noread;
213l_write_t       l_nowrite;
214
215int     bdevsw_add __P((dev_t *descrip,struct bdevsw *new,struct bdevsw **old));
216int     cdevsw_add __P((dev_t *descrip,struct cdevsw *new,struct cdevsw **old));
217void    cdevsw_make __P((struct bdevsw *from));
218void    bdevsw_add_generic __P((int bdev, int cdev, struct bdevsw *bdevsw));
219dev_t   chrtoblk __P((dev_t dev));
220int     isdisk __P((dev_t dev, int type));
221int     iskmemdev __P((dev_t dev));
222int     iszerodev __P((dev_t dev));
223void    setconf __P((void));
224#endif /* KERNEL */
225
226#include <machine/conf.h>
227
228#endif /* !_SYS_CONF_H_ */
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