USL copyright

[unix-history] / sys / sys / conf.h

/*
* Copyright (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.
*/
/*-
* 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.
*
*      from: @(#)conf.h        7.9 (Berkeley) 5/5/91
*      $Id: conf.h,v 1.5 1994/03/02 20:29:00 guido Exp $
*/

#ifndef _SYS_CONF_H_
#define _SYS_CONF_H_ 1

/*
* Definitions of device driver entry switches
*/

#ifdef __STDC__
struct tty; struct buf;
struct uio;
#endif

typedef int d_open_t __P((int /*dev_t*/, int, int, struct proc *));
typedef int d_close_t __P((int /*dev_t*/, int, int, struct proc *));
typedef void d_strategy_t __P((struct buf *));
typedef int d_ioctl_t __P((int /*dev_t*/, int, caddr_t, int, struct proc *));
typedef int d_dump_t __P((int /*dev_t*/));
typedef int d_psize_t __P((int /*dev_t*/));

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;
};

#ifdef KERNEL
extern struct bdevsw bdevsw[];
#endif

typedef int d_rdwr_t __P((int /*dev_t*/, struct uio *, int));
typedef int d_stop_t __P((struct tty *, int));
typedef int d_reset_t __P((int));
typedef int d_select_t __P((int /*dev_t*/, int, struct proc *));
typedef int d_mmap_t __P((/* XXX */));

struct cdevsw {
       d_open_t *d_open;
       d_close_t *d_close;
       d_rdwr_t *d_read;
       d_rdwr_t *d_write;
       d_ioctl_t *d_ioctl;
       d_stop_t *d_stop;
       d_reset_t *d_reset;
       struct  tty **d_ttys;
       d_select_t *d_select;
       d_mmap_t *d_mmap;
       d_strategy_t *d_strategy;
};

#ifdef KERNEL
extern struct cdevsw cdevsw[];

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

struct linesw {
       int     (*l_open)(int /*dev_t*/, struct tty *, int);
       void    (*l_close)(struct tty *, int);
       int     (*l_read)(struct tty *, struct uio *, int);
       int     (*l_write)(struct tty *, struct uio *, int);
       int     (*l_ioctl)(struct tty *, int, caddr_t, int);
       void    (*l_rint)(int, struct tty *);
       int     (*l_rend)();    /* XXX - to be deleted */
       int     (*l_meta)();    /* XXX - to be deleted */
       void    (*l_start)(struct tty *);
       int     (*l_modem)(struct tty *, int);
};

#ifdef KERNEL
extern struct linesw linesw[];
#endif

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

#ifdef KERNEL
extern struct swdevt swdevt[];
#endif
#endif /* _SYS_CONF_H_ */