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tty_component.c revision 1.1.10.2 
      1 /*	$NetBSD: tty_component.c,v 1.1.10.2 2014/08/20 00:04:40 tls 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 1.1.10.2 2014/08/20 00:04:40 tls 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