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dmt.c revision 1.2 
      1 /*	$NetBSD: dmt.c,v 1.2 2009/12/05 10:38:27 haad Exp $
      2 
      3 /*
      4  * Copyright (c) 2009 Adam Hamsik.  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 
     29 #include <sys/cdefs.h>
     30 
     31 #include <sys/param.h>
     32 #include <sys/ioctl.h>
     33 #include <sys/stat.h>
     34 #include <sys/disklabel.h>
     35 
     36 #include <ctype.h>
     37 #include <err.h>
     38 #include <errno.h>
     39 #include <fcntl.h>
     40 #include <stdio.h>
     41 #include <stdlib.h>
     42 #include <string.h>
     43 #include <unistd.h>
     44 #include <util.h>
     45 
     46 #include <rump/rump.h>
     47 #include <rump/rump_syscalls.h>
     48 
     49 /* NetBSD-dm.h part */
     50 #include <prop/proplib.h>
     51 
     52 #define DM_CMD_LEN 16
     53 #define DM_IOCTL 0xfd
     54 #define DM_IOCTL_CMD 0
     55 #define NETBSD_DM_IOCTL       _IOWR(DM_IOCTL, DM_IOCTL_CMD, struct plistref)
     56 
     57 
     58 int
     59 main(int argc, char *argv[])
     60 {
     61 	int fd;
     62 	int err;
     63 
     64 	prop_dictionary_t dict_in, dict_out;
     65 	struct plistref prefp;
     66 	char *xml;
     67 
     68 	err = rump_init();
     69 	if (err != 0)
     70 		printf("rump_init failed with %s\n", strerror(err));
     71 
     72 	fd = rump_sys_open("/dev/mapper/control", O_RDWR, 0);
     73 	if (fd == -1)
     74 		printf("Cannot open control device.\n");
     75 
     76 	dict_in  = prop_dictionary_internalize_from_file("prop2.plist");
     77 	dict_out = prop_dictionary_create();
     78 
     79 	prop_dictionary_externalize_to_pref(dict_in, &prefp);
     80 
     81 	err = rump_sys_ioctl(fd, NETBSD_DM_IOCTL, &prefp);
     82 	if ( err < 0)
     83 		printf("ioctl failed %d\n", err);
     84 
     85 	dict_out = prop_dictionary_internalize(prefp.pref_plist);
     86 
     87 	xml = prop_dictionary_externalize(dict_out);
     88 	printf("%s\n",xml);
     89 
     90 	rump_sys_close(fd);
     91 }
     92