/*      $NetBSD: drvctl_component.c,v 1.5 2022/03/28 12:33:22 riastradh 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: drvctl_component.c,v 1.5 2022/03/28 12:33:22 riastradh Exp $");

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

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

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

       bmaj = cmaj = NODEVMAJOR;
       error = devsw_attach("drvctl", NULL, &bmaj, &drvctl_cdevsw, &cmaj);
       if (error != 0)
               panic("drvctl devsw attach failed: %d", error);

       error = rump_vfs_makeonedevnode(S_IFCHR, "/dev/drvctl", cmaj, 0);
       if ( error !=0)
               panic("cannot create drvctl device node: %d", error);

       devsw_detach(NULL, &drvctl_cdevsw);
}