/*      $NetBSD: dm_component.c,v 1.2 2016/01/26 23:12:15 pooka Exp $   */

/*
* Copyright (c) 2009 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: dm_component.c,v 1.2 2016/01/26 23:12:15 pooka Exp $");

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

#include <sys/vfs_syscalls.h>

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

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

       /* go, mydevfs */
       bmaj = cmaj = -1;

       if ((error = devsw_attach("dm", &dm_bdevsw, &bmaj,
           &dm_cdevsw, &cmaj)) != 0)
               panic("cannot attach dm: %d", error);

       do_sys_mkdir("/dev/mapper", 0770, UIO_SYSSPACE);

       if ((error = rump_vfs_makedevnodes(S_IFCHR, "/dev/mapper/control", 0,
                   cmaj, 0, 1)) != 0) {
               panic("cannot create device-mapper control device: %d", error);

       }
}