conf.c

早期freebsd实现

/*
 * Copyright (c) 1988 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.c	1.11 (Berkeley) 12/16/90
 */

#include "sys/param.h"
#include "sys/time.h"
#include "stand/saio.h"

extern int	nullsys(), nodev(), noioctl();

int	vdstrategy(), vdopen();
int	hdstrategy(), hdopen();
int	cystrategy(), cyopen(), cyclose();

struct devsw devsw[] = {
	{ "ud",	nodev,		nodev,	nullsys, noioctl },  /* 0 = ud */
	{ "dk",	vdstrategy,	vdopen,	nullsys, noioctl },  /* 1 = ht */
	{ "hd",	hdstrategy,	hdopen,	nullsys, noioctl },  /* 2 = hd */
#ifdef notdef
	{ "xp",	xpstrategy,	xpopen,	nullsys, noioctl },  /* 3 = xp */
#else
	{ "xp",	nodev,		nodev,	nullsys, noioctl },
#endif
	{ "cy",	cystrategy,	cyopen,	cyclose, noioctl },  /* 4 = cy */
	{ 0 }
};
int	ndevs = (sizeof(devsw)/sizeof(devsw[0]));