/* $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); } } |