xref: /netbsd-src/sys/rump/kern/lib/libtty/tty_component.c (revision aad9773e38ed2370a628a6416e098f9008fc10a7)
1 /*	$NetBSD: tty_component.c,v 1.1 2014/03/13 02:02:30 pooka Exp $	*/
2 
3 /*
4  * Copyright (c) 2010 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: tty_component.c,v 1.1 2014/03/13 02:02:30 pooka Exp $");
30 
31 #include <sys/param.h>
32 #include <sys/conf.h>
33 #include <sys/stat.h>
34 #include <sys/tty.h>
35 
36 #include "rump_private.h"
37 #include "rump_vfs_private.h"
38 
39 void ptyattach(int);
40 
41 RUMP_COMPONENT(RUMP_COMPONENT_KERN_VFS)
42 {
43 	extern const struct cdevsw ctty_cdevsw, ptc_cdevsw, pts_cdevsw;
44 	extern const struct cdevsw ptm_cdevsw;
45 	devmajor_t cmaj, bmaj;
46 
47 	cmaj = bmaj = -1;
48 	FLAWLESSCALL(devsw_attach("ctty", NULL, &bmaj, &ctty_cdevsw, &cmaj));
49 	FLAWLESSCALL(rump_vfs_makeonedevnode(S_IFCHR, "/dev/tty", cmaj, 0));
50 
51 	/* create only 10 nodes.  should be enough for everyone ... */
52 	cmaj = bmaj = -1;
53 	FLAWLESSCALL(devsw_attach("ptc", NULL, &bmaj, &ptc_cdevsw, &cmaj));
54 	FLAWLESSCALL(rump_vfs_makedevnodes(S_IFCHR, "/dev/ptyp", '0',
55 	    cmaj, 0, 9));
56 
57 	cmaj = bmaj = -1;
58 	FLAWLESSCALL(devsw_attach("pts", NULL, &bmaj, &pts_cdevsw, &cmaj));
59 	FLAWLESSCALL(rump_vfs_makedevnodes(S_IFCHR, "/dev/ttyp", '0',
60 	    cmaj, 0, 9));
61 
62 	cmaj = bmaj = -1;
63 	FLAWLESSCALL(devsw_attach("ptm", NULL, &bmaj, &ptm_cdevsw, &cmaj));
64 	FLAWLESSCALL(rump_vfs_makeonedevnode(S_IFCHR, "/dev/ptmx", cmaj, 0));
65 	FLAWLESSCALL(rump_vfs_makeonedevnode(S_IFCHR, "/dev/ptm", cmaj, 1));
66 
67 	tty_init();
68 	ttyldisc_init();
69 
70 	ptyattach(1);
71 
72 	rump_ttycomponent = true;
73 }
74