2 * Copyright (c) 2007 The DragonFly Project. All rights reserved.
4 * This code is derived from software contributed to The DragonFly Project
5 * by Matthew Dillon <dillon@backplane.com>
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in
15 * the documentation and/or other materials provided with the
17 * 3. Neither the name of The DragonFly Project nor the names of its
18 * contributors may be used to endorse or promote products derived
19 * from this software without specific, prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
24 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
25 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
26 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
27 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
28 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
29 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
31 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * $DragonFly: src/sbin/diskinfo/diskinfo.c,v 1.7 2008/05/19 10:19:49 corecode Exp $
38 #include <sys/param.h>
39 #include <sys/fcntl.h>
40 #include <sys/dtype.h>
41 #include <sys/diskslice.h>
50 static int extendedMode;
52 static void dumppart(const char *path, struct partinfo *dpart);
53 static void usage(const char *av0);
56 main(int ac, char **av)
58 struct partinfo dpart;
63 while ((ch = getopt(ac, av, "qx")) != -1) {
75 for (i = optind; i < ac; ++i) {
76 if ((fd = open(av[i], O_RDONLY)) < 0) {
77 if (errno != ENXIO || quietMode == 0)
78 printf("%-16s %s\n", av[i], strerror(errno));
81 bzero(&dpart, sizeof(dpart));
82 if (ioctl(fd, DIOCGPART, &dpart) < 0) {
83 printf("%-16s %s\n", av[i], strerror(errno));
84 } else if (dpart.media_size == 0 && dpart.fstype == 0 &&
85 uuid_is_nil(&dpart.fstype_uuid, NULL)) {
87 printf("%-16s unused\n", av[i]);
89 dumppart(av[i], &dpart);
98 dumppart(const char *path, struct partinfo *dpart)
100 printf("%-16s ", path);
101 printf("blksize=%-4d off=%012jx size=%012jx ",
102 dpart->media_blksize,
103 (intmax_t)dpart->media_offset,
104 (intmax_t)dpart->media_size
106 if (dpart->media_size >= 100LL*1024*1024*1024) {
108 (double)dpart->media_size /
109 (1024.0*1024.0*1024.0)
111 } else if (dpart->media_size >= 1024*1024) {
113 (double)dpart->media_size /
118 (double)dpart->media_size / 1024.0
122 if (!uuid_is_nil(&dpart->fstype_uuid, NULL)) {
124 uuid_addr_lookup(&dpart->fstype_uuid, &str, NULL);
126 uuid_to_string(&dpart->fstype_uuid, &str, NULL);
127 printf(" fstype='%s'", str ? str : "<illegal>");
131 if (dpart->fstype < 0 ||
132 dpart->fstype >= (int)FSMAXTYPES) {
133 printf("%d", dpart->fstype);
135 printf("%s", fstypenames[dpart->fstype]);
138 if (!uuid_is_nil(&dpart->storage_uuid, NULL)) {
140 uuid_to_string(&dpart->storage_uuid, &str, NULL);
141 printf(" storage_uuid='%s'", str ? str : "<illegal>");
143 if (dpart->reserved_blocks) {
145 * note: rsvdlabel is inclusive of rsvdplat. i.e.
146 * they are not relative to each other.
148 printf(" reserved=%jd",
149 (intmax_t)dpart->reserved_blocks);
157 usage(const char *av0)
159 fprintf(stderr, "%s [-qx] device ...\n", av0);