netbsd/sys/rump/dev/lib/libsysmon/sysmon_component.c
2015-10-15 10:25:28 +02:00

70 lines
2.7 KiB
C

/* $NetBSD: sysmon_component.c,v 1.2 2015/04/23 23:23:14 pgoyette 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 1.2 2015/04/23 23:23:14 pgoyette 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_private.h"
#include "rump_dev_private.h"
#include "rump_vfs_private.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);
}