www.pudn.com > tcpipsim.rar > conf.h

/*- 
 * 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	8.3 (Berkeley) 1/21/94 
 */ 
 
/* 
 * Definitions of device driver entry switches 
 */ 
 
struct buf; 
struct proc; 
struct tty; 
struct uio; 
struct vnode; 
 
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 *p)); 
	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)	();	/* parameters vary by architecture */ 
	int	(*d_psize)	__P((dev_t dev)); 
	int	d_flags; 
}; 
 
#ifdef KERNEL 
extern 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 
extern struct cdevsw cdevsw[]; 
 
/* symbolic sleep message strings */ 
extern char devopn[], devio[], devwait[], devin[], devout[]; 
extern char devioc[], devcls[]; 
#endif 
 
struct linesw { 
	int	(*l_open)	__P((dev_t dev, struct tty *tp)); 
	int	(*l_close)	__P((struct tty *tp, int flag)); 
	int	(*l_read)	__P((struct tty *tp, struct uio *uio, 
				     int flag)); 
	int	(*l_write)	__P((struct tty *tp, struct uio *uio, 
				     int flag)); 
	int	(*l_ioctl)	__P((struct tty *tp, int cmd, caddr_t data, 
				     int flag, struct proc *p)); 
	int	(*l_rint)	__P((int c, struct tty *tp)); 
	int	(*l_start)	__P((struct tty *tp)); 
	int	(*l_modem)	__P((struct tty *tp, int flag)); 
}; 
 
#ifdef KERNEL 
extern struct linesw linesw[]; 
#endif 
 
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 */ 
 
#ifdef KERNEL 
extern struct swdevt swdevt[]; 
#endif