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
36 #include <sys/param.h>
37 #include <sys/fcntl.h>
38 #include <sys/dtype.h>
39 #include <sys/diskslice.h>
48 static int extendedMode;
50 static void dumppart(const char *path, struct partinfo *dpart);
51 static void usage(const char *av0);
54 main(int ac, char **av)
56 struct partinfo dpart;
61 while ((ch = getopt(ac, av, "qx")) != -1) {
73 for (i = optind; i < ac; ++i) {
74 if ((fd = open(av[i], O_RDONLY)) < 0) {
75 if (errno != ENXIO || quietMode == 0)
76 printf("%-16s %s\n", av[i], strerror(errno));
79 bzero(&dpart, sizeof(dpart));
80 if (ioctl(fd, DIOCGPART, &dpart) < 0) {
81 printf("%-16s %s\n", av[i], strerror(errno));
82 } else if (dpart.media_size == 0 && dpart.fstype == 0 &&
83 uuid_is_nil(&dpart.fstype_uuid, NULL)) {
85 printf("%-16s unused\n", av[i]);
87 dumppart(av[i], &dpart);
96 dumppart(const char *path, struct partinfo *dpart)
98 printf("%-16s ", path);
99 printf("blksize=%-4d offset=0x%012jx size=0x%012jx ",
100 dpart->media_blksize,
101 (intmax_t)dpart->media_offset,
102 (intmax_t)dpart->media_size
104 if (dpart->media_size >= 100LL*1024*1024*1024) {
106 (double)dpart->media_size /
107 (1024.0*1024.0*1024.0)
109 } else if (dpart->media_size >= 1024*1024) {
111 (double)dpart->media_size /
116 (double)dpart->media_size / 1024.0
120 if (!uuid_is_nil(&dpart->fstype_uuid, NULL)) {
122 uuid_addr_lookup(&dpart->fstype_uuid, &str, NULL);
124 uuid_to_string(&dpart->fstype_uuid, &str, NULL);
125 printf(" fstype='%s'", str ? str : "<illegal>");
129 if (dpart->fstype < 0 ||
130 dpart->fstype >= (int)FSMAXTYPES) {
131 printf("%d", dpart->fstype);
133 printf("%s", fstypenames[dpart->fstype]);
136 if (!uuid_is_nil(&dpart->storage_uuid, NULL)) {
138 uuid_to_string(&dpart->storage_uuid, &str, NULL);
139 printf(" storage_uuid='%s'", str ? str : "<illegal>");
141 if (dpart->reserved_blocks) {
143 * note: rsvdlabel is inclusive of rsvdplat. i.e.
144 * they are not relative to each other.
146 printf(" reserved=%jd",
147 (intmax_t)dpart->reserved_blocks);
155 usage(const char *av0)
157 fprintf(stderr, "%s [-qx] device ...\n", av0);