1 /* $NetBSD: rnd_component.c,v 1.7 2020/04/30 03:28:19 riastradh 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: rnd_component.c,v 1.7 2020/04/30 03:28:19 riastradh Exp $");
30
31 #include <sys/param.h>
32 #include <sys/conf.h>
33 #include <sys/device.h>
34 #include <sys/rnd.h>
35 #include <sys/stat.h>
36
37 #include <rump-sys/kern.h>
38 #include <rump-sys/dev.h>
39 #include <rump-sys/vfs.h>
40
41 #include "ioconf.h"
42
RUMP_COMPONENT(RUMP_COMPONENT_DEV)43 RUMP_COMPONENT(RUMP_COMPONENT_DEV)
44 {
45 extern const struct cdevsw rnd_cdevsw;
46 devmajor_t bmaj, cmaj;
47 int error;
48
49 /* go, mydevfs */
50 bmaj = cmaj = -1;
51
52 if ((error = devsw_attach("random", NULL, &bmaj,
53 &rnd_cdevsw, &cmaj)) != 0)
54 panic("cannot attach rnd: %d", error);
55
56 if ((error = rump_vfs_makeonedevnode(S_IFCHR, "/dev/random",
57 cmaj, RND_DEV_RANDOM)) != 0)
58 panic("cannot create /dev/random: %d", error);
59 if ((error = rump_vfs_makeonedevnode(S_IFCHR, "/dev/urandom",
60 cmaj, RND_DEV_URANDOM)) != 0)
61 panic("cannot create /dev/urandom: %d", error);
62
63 rump_pdev_add(rndattach, 4);
64 }
65