/* $NetBSD: drvctl_component.c,v 1.4 2017/01/15 01:48:05 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: drvctl_component.c,v 1.4 2017/01/15 01:48:05 pgoyette 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); error = devsw_detach(NULL, &drvctl_cdevsw); if (error != 0) panic("cannot detach drvctl devsw: %d", error); } |