usr/src/sys/sys/conf.h

/*-
 * Copyright (c) 1990 The Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *      This product includes software developed by the University of
 *      California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *      @(#)conf.h      7.9 (Berkeley) 5/5/91
 */

/*
 * Definitions of device driver entry switches
 */

#ifdef __STDC__
struct tty;
#endif

struct bdevsw {
        int     (*d_open)       __P((dev_t dev, int oflags, int devtype,
                                     struct proc *p));
        int     (*d_close)      __P((dev_t dev, int fflag, int devtype,
                                     struct proc *));
        int     (*d_strategy)   __P((struct buf *bp));
        int     (*d_ioctl)      __P((dev_t dev, int cmd, caddr_t data,
                                     int fflag, struct proc *p));
        int     (*d_dump)       __P((dev_t dev));
        int     (*d_psize)      __P((dev_t dev));
        int     d_flags;
};

#ifdef KERNEL
struct bdevsw bdevsw[];
#endif

struct cdevsw {
        int     (*d_open)       __P((dev_t dev, int oflags, int devtype,
                                     struct proc *p));
        int     (*d_close)      __P((dev_t dev, int fflag, int devtype,
                                     struct proc *));
        int     (*d_read)       __P((dev_t dev, struct uio *uio, int ioflag));
        int     (*d_write)      __P((dev_t dev, struct uio *uio, int ioflag));
        int     (*d_ioctl)      __P((dev_t dev, int cmd, caddr_t data,
                                     int fflag, struct proc *p));
        int     (*d_stop)       __P((struct tty *tp, int rw));
        int     (*d_reset)      __P((int uban));        /* XXX */
        struct  tty *d_ttys;
        int     (*d_select)     __P((dev_t dev, int which, struct proc *p));
        int     (*d_mmap)       __P(());
        int     (*d_strategy)   __P((struct buf *bp));
};

#ifdef KERNEL
struct cdevsw cdevsw[];

/* symbolic sleep message strings */
extern char devopn[], devio[], devwait[], devin[], devout[];
extern char devioc[], devcls[];
#endif

struct linesw {
        int     (*l_open)();
        int     (*l_close)();
        int     (*l_read)();
        int     (*l_write)();
        int     (*l_ioctl)();
        int     (*l_rint)();
        int     (*l_rend)();
        int     (*l_meta)();
        int     (*l_start)();
        int     (*l_modem)();
};

#ifdef KERNEL
struct linesw linesw[];
#endif

struct swdevt {
        dev_t   sw_dev;
        int     sw_freed;
        int     sw_nblks;
        struct  vnode *sw_vp;
};

#ifdef KERNEL
struct swdevt swdevt[];
#endif