1 /*        $NetBSD: raidframe_component.c,v 1.5 2016/01/26 23:12:16 pooka 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: raidframe_component.c,v 1.5 2016/01/26 23:12:16 pooka 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/dev.h>
38 #include <rump-sys/vfs.h>
39 
40 #include "ioconf.h"
41 
RUMP_COMPONENT(RUMP_COMPONENT_DEV)42 RUMP_COMPONENT(RUMP_COMPONENT_DEV)
43 {
44           extern const struct bdevsw raid_bdevsw;
45           extern const struct cdevsw raid_cdevsw;
46           devmajor_t bmaj, cmaj;
47           int error;
48 
49           bmaj = cmaj = -1;
50           if ((error = devsw_attach("raid", &raid_bdevsw, &bmaj,
51               &raid_cdevsw, &cmaj)) != 0)
52                     panic("raid devsw attach failed: %d", error);
53 
54           /*
55            * Now that we have the major numbers, detach.  It will get
56            * re-attached later during raid's module initialization.
57            */
58           devsw_detach(&raid_bdevsw, &raid_cdevsw);
59 
60           if ((error = rump_vfs_makedevnodes(S_IFBLK, "/dev/raid0", 'a',
61               bmaj, 0, 7)) != 0)
62                     panic("cannot create cooked raid dev nodes: %d", error);
63           if ((error = rump_vfs_makedevnodes(S_IFCHR, "/dev/rraid0", 'a',
64               cmaj, 0, 7)) != 0)
65                     panic("cannot create raw raid dev nodes: %d", error);
66 
67           rump_pdev_add(raidattach, 4);
68 }
69