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dm_component.c revision 1.1.10.2
      1  1.1.10.2  tls /*	$NetBSD: dm_component.c,v 1.1.10.2 2014/08/20 00:04:37 tls Exp $	*/
      2  1.1.10.2  tls 
      3  1.1.10.2  tls /*
      4  1.1.10.2  tls  * Copyright (c) 2009 Antti Kantee.  All Rights Reserved.
      5  1.1.10.2  tls  *
      6  1.1.10.2  tls  * Redistribution and use in source and binary forms, with or without
      7  1.1.10.2  tls  * modification, are permitted provided that the following conditions
      8  1.1.10.2  tls  * are met:
      9  1.1.10.2  tls  * 1. Redistributions of source code must retain the above copyright
     10  1.1.10.2  tls  *    notice, this list of conditions and the following disclaimer.
     11  1.1.10.2  tls  * 2. Redistributions in binary form must reproduce the above copyright
     12  1.1.10.2  tls  *    notice, this list of conditions and the following disclaimer in the
     13  1.1.10.2  tls  *    documentation and/or other materials provided with the distribution.
     14  1.1.10.2  tls  *
     15  1.1.10.2  tls  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
     16  1.1.10.2  tls  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     17  1.1.10.2  tls  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     18  1.1.10.2  tls  * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     19  1.1.10.2  tls  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     20  1.1.10.2  tls  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
     21  1.1.10.2  tls  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     22  1.1.10.2  tls  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     23  1.1.10.2  tls  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     24  1.1.10.2  tls  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     25  1.1.10.2  tls  * SUCH DAMAGE.
     26  1.1.10.2  tls  */
     27  1.1.10.2  tls 
     28  1.1.10.2  tls #include <sys/cdefs.h>
     29  1.1.10.2  tls __KERNEL_RCSID(0, "$NetBSD: dm_component.c,v 1.1.10.2 2014/08/20 00:04:37 tls Exp $");
     30  1.1.10.2  tls 
     31  1.1.10.2  tls #include <sys/param.h>
     32  1.1.10.2  tls #include <sys/conf.h>
     33  1.1.10.2  tls #include <sys/device.h>
     34  1.1.10.2  tls #include <sys/stat.h>
     35  1.1.10.2  tls #include <sys/filedesc.h>
     36  1.1.10.2  tls 
     37  1.1.10.2  tls #include <sys/vfs_syscalls.h>
     38  1.1.10.2  tls 
     39  1.1.10.2  tls #include "rump_private.h"
     40  1.1.10.2  tls #include "rump_dev_private.h"
     41  1.1.10.2  tls #include "rump_vfs_private.h"
     42  1.1.10.2  tls 
     43  1.1.10.2  tls RUMP_COMPONENT(RUMP_COMPONENT_DEV)
     44  1.1.10.2  tls {
     45  1.1.10.2  tls 	extern const struct bdevsw dm_bdevsw;
     46  1.1.10.2  tls 	extern const struct cdevsw dm_cdevsw;
     47  1.1.10.2  tls 	devmajor_t bmaj, cmaj;
     48  1.1.10.2  tls 	int error;
     49  1.1.10.2  tls 
     50  1.1.10.2  tls 	/* go, mydevfs */
     51  1.1.10.2  tls 	bmaj = cmaj = -1;
     52  1.1.10.2  tls 
     53  1.1.10.2  tls 	if ((error = devsw_attach("dm", &dm_bdevsw, &bmaj,
     54  1.1.10.2  tls 	    &dm_cdevsw, &cmaj)) != 0)
     55  1.1.10.2  tls 		panic("cannot attach dm: %d", error);
     56  1.1.10.2  tls 
     57  1.1.10.2  tls 	do_sys_mkdir("/dev/mapper", 0770, UIO_SYSSPACE);
     58  1.1.10.2  tls 
     59  1.1.10.2  tls 	if ((error = rump_vfs_makedevnodes(S_IFCHR, "/dev/mapper/control", 0,
     60  1.1.10.2  tls 		    cmaj, 0, 1)) != 0) {
     61  1.1.10.2  tls 		panic("cannot create device-mapper control device: %d", error);
     62  1.1.10.2  tls 
     63  1.1.10.2  tls 	}
     64  1.1.10.2  tls }
     65