netbsd/sys/rump/dev/lib/libdm/component.c
2013-04-06 16:48:33 +02:00

65 lines
2.2 KiB
C

/* $NetBSD: component.c,v 1.3 2010/10/12 09:14:43 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: component.c,v 1.3 2010/10/12 09:14:43 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_private.h"
#include "rump_dev_private.h"
#include "rump_vfs_private.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);
}
}