source: rtems/cpukit/libnetworking/sys/conf.h @ 72cbfbb3

/*-
 * Copyright (c) 1990, 1993
 *      The Regents of the University of California.  All rights reserved.
 * (c) UNIX System Laboratories, Inc.
 * All or some portions of this file are derived from material licensed
 * to the University of California by American Telephone and Telegraph
 * Co. or Unix System Laboratories, Inc. and are reproduced herein with
 * the permission of UNIX System Laboratories, Inc.
 *
 * 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      8.5 (Berkeley) 1/9/95
 * $Id$
 */

#ifndef _SYS_CONF_H_
#define _SYS_CONF_H_

/*
 * Definitions of device driver entry switches
 */

struct buf;
struct proc;
struct tty;
struct uio;
struct vnode;

typedef int d_open_t(dev_t dev, int oflags, int devtype, struct proc *p);
typedef int d_close_t(dev_t dev, int fflag, int devtype, struct proc *p);
typedef void d_strategy_t(struct buf *bp);
typedef int d_ioctl_t(dev_t dev, int cmd, caddr_t data,
                           int fflag, struct proc *p);
typedef int d_dump_t(dev_t dev);
typedef int d_psize_t(dev_t dev);

typedef int d_read_t(dev_t dev, struct uio *uio, int ioflag);
typedef int d_write_t(dev_t dev, struct uio *uio, int ioflag);
typedef void d_stop_t(struct tty *tp, int rw);
typedef int d_reset_t(dev_t dev);
typedef struct tty *d_devtotty_t(dev_t dev);
typedef int d_select_t(dev_t dev, int which, struct proc *p);
typedef int d_mmap_t(dev_t dev, int offset, int nprot);

typedef int l_open_t(dev_t dev, struct tty *tp);
typedef int l_close_t(struct tty *tp, int flag);
typedef int l_read_t(struct tty *tp, struct uio *uio, int flag);
typedef int l_write_t(struct tty *tp, struct uio *uio, int flag);
typedef int l_ioctl_t(struct tty *tp, int cmd, caddr_t data,
                           int flag, struct proc *p);
typedef int l_rint_t(int c, struct tty *tp);
typedef int l_start_t(struct tty *tp);
typedef int l_modem_t(struct tty *tp, int flag);

/*
 * Block device switch table
 */
struct bdevsw {
        d_open_t        *d_open;
        d_close_t       *d_close;
        d_strategy_t    *d_strategy;
        d_ioctl_t       *d_ioctl;
        d_dump_t        *d_dump;
        d_psize_t       *d_psize;
        int             d_flags;
        char            *d_name;        /* name of the driver e.g. audio */
        struct cdevsw   *d_cdev;        /* cross pointer to the cdev */
        int             d_maj;          /* the major number we were assigned */
};

#ifdef _KERNEL
extern struct bdevsw *bdevsw[];
#endif

/*
 * Character device switch table
 */
struct cdevsw {
        d_open_t        *d_open;
        d_close_t       *d_close;
        d_read_t        *d_read;
        d_write_t       *d_write;
        d_ioctl_t       *d_ioctl;
        d_stop_t        *d_stop;
        d_reset_t       *d_reset;       /* XXX not used */
        d_devtotty_t    *d_devtotty;
        d_select_t      *d_select;
        d_mmap_t        *d_mmap;
        d_strategy_t    *d_strategy;
        char            *d_name;        /* see above */
        struct bdevsw   *d_bdev;
        int             d_maj;
};

#ifdef _KERNEL
extern struct cdevsw *cdevsw[];
#endif

/*
 * Swap device table
 */
struct swdevt {
        dev_t   sw_dev;
        int     sw_flags;
        int     sw_nblks;
        struct  vnode *sw_vp;
};
#define SW_FREED        0x01
#define SW_SEQUENTIAL   0x02
#define sw_freed        sw_flags        /* XXX compat */

#include <machine/conf.h>

#endif /* !_SYS_CONF_H_ */