/*	$NetBSD: sysmon_component.c,v 1.3 2016/01/26 23:12:16 pooka Exp $	*/

/*
 * Copyright (c) 2010 Antti Kantee.  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.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
 */

#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: sysmon_component.c,v 1.3 2016/01/26 23:12:16 pooka Exp $");

#include <sys/param.h>
#include <sys/conf.h>
#include <sys/device.h>
#include <sys/stat.h>

#include <dev/sysmon/sysmon_taskq.h>
#include <dev/sysmon/sysmonvar.h>

#include <rump-sys/kern.h>
#include <rump-sys/dev.h>
#include <rump-sys/vfs.h>

RUMP_COMPONENT(RUMP_COMPONENT_DEV)
{
	extern const struct cdevsw sysmon_cdevsw;
	devmajor_t bmaj, cmaj;
	int error;

	/*
	 * Temporarily attach the devsw so we can determine our
	 * major device number.  We'll detach it immediately, so
	 * normal module initialization can permanently attach.
	 */
	bmaj = cmaj = -1;
	if ((error = devsw_attach("sysmon", NULL, &bmaj,
	    &sysmon_cdevsw, &cmaj)) != 0)
		panic("sysmon devsw attach failed: %d", error);
	devsw_detach(NULL, &sysmon_cdevsw);

	if ((error = rump_vfs_makeonedevnode(S_IFCHR, "/dev/sysmon",
	    cmaj, SYSMON_MINOR_ENVSYS)) != 0)
		panic("cannot create /dev/sysmon: %d", error);
	if ((error = rump_vfs_makeonedevnode(S_IFCHR, "/dev/watchdog",
	    cmaj, SYSMON_MINOR_WDOG)) != 0)
		panic("cannot create /dev/watchdog: %d", error);
	if ((error = rump_vfs_makeonedevnode(S_IFCHR, "/dev/power",
	    cmaj, SYSMON_MINOR_POWER)) != 0)
		panic("cannot create /dev/power: %d", error);
}