1 /* $NetBSD: opencrypto_component.c,v 1.6 2020/01/27 17:10:23 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: opencrypto_component.c,v 1.6 2020/01/27 17:10:23 pgoyette Exp $");
30
31 #include <sys/param.h>
32 #include <sys/conf.h>
33 #include <sys/device.h>
34 #include <sys/stat.h>
35 #include <sys/module.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
43 void crypto_init(void);
44
RUMP_COMPONENT(RUMP_COMPONENT_DEV)45 RUMP_COMPONENT(RUMP_COMPONENT_DEV)
46 {
47 extern const struct cdevsw crypto_cdevsw;
48 devmajor_t bmaj, cmaj;
49 int error;
50
51 /* go, mydevfs */
52 bmaj = cmaj = -1;
53
54 if ((error = devsw_attach("crypto", NULL, &bmaj,
55 &crypto_cdevsw, &cmaj)) != 0)
56 panic("cannot attach crypto: %d", error);
57
58 if ((error = rump_vfs_makeonedevnode(S_IFCHR, "/dev/crypto",
59 cmaj, 0)) != 0)
60 panic("cannot create /dev/crypto: %d", error);
61
62 /*
63 * Initialize OpenCrypto and its pseudo-devices here
64 */
65 crypto_init();
66 rump_pdev_add(cryptoattach, 1);
67 #if 0
68 /*
69 * rump defines "_MODULE" in spite of using built-in module
70 * initialization(module_init_class()). So, swcryptoattach_internal()
71 * is called by two functions, one is swcryptoattach() and the other is
72 * swcrypto_modcmd().
73 * That causes "builtin module `swcrypto' failed to init" WARNING message.
74 * To suppress this warning, we let rump use swcrypto_modcmd() call-path
75 * only.
76 *
77 * TODO:
78 * There is still "crypto: unable to register devsw, error 17" message.
79 * it should be suppressed.
80 */
81 rump_pdev_add(swcryptoattach, 0);
82 #endif
83 }
84