xref: /netbsd/sys/rump/dev/lib/libcgd/cgd_component.c (revision b243e6a4)
1 /*	$NetBSD: cgd_component.c,v 1.3 2016/07/25 12:45:13 pgoyette Exp $	*/
2 
3 /*
4  * Copyright (c) 2009 Antti Kantee.  All Rights Reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
16  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
17  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
18  * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
21  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25  * SUCH DAMAGE.
26  */
27 
28 #include <sys/cdefs.h>
29 __KERNEL_RCSID(0, "$NetBSD: cgd_component.c,v 1.3 2016/07/25 12:45:13 pgoyette Exp $");
30 
31 #include <sys/param.h>
32 #include <sys/conf.h>
33 #include <sys/device.h>
34 #include <sys/stat.h>
35 
36 #include <rump-sys/kern.h>
37 #include <rump-sys/vfs.h>
38 
RUMP_COMPONENT(RUMP_COMPONENT_DEV)39 RUMP_COMPONENT(RUMP_COMPONENT_DEV)
40 {
41 	extern const struct bdevsw cgd_bdevsw;
42 	extern const struct cdevsw cgd_cdevsw;
43 	extern devmajor_t cgd_bmajor, cgd_cmajor;
44 	int error;
45 
46 	/* go, mydevfs */
47 
48 	if ((error = devsw_attach("cgd", &cgd_bdevsw, &cgd_bmajor,
49 	    &cgd_cdevsw, &cgd_cmajor)) != 0)
50 		panic("cannot attach cgd: %d", error);
51 
52 	if ((error = rump_vfs_makedevnodes(S_IFBLK, "/dev/cgd0", 'a',
53 	    cgd_bmajor, 0, 7)) != 0)
54 		panic("cannot create cooked cgd dev nodes: %d", error);
55 	if ((error = rump_vfs_makedevnodes(S_IFCHR, "/dev/rcgd0", 'a',
56 	    cgd_cmajor, 0, 7)) != 0)
57 		panic("cannot create raw cgd dev nodes: %d", error);
58 
59 	devsw_detach(&cgd_bdevsw, &cgd_cdevsw);
60 }
61