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 1.4 2007/06/17 23:50:15 dillon Exp $
38 #include <sys/types.h>
39 #include <sys/fcntl.h>
40 #include <sys/dtype.h>
41 #include <sys/diskslice.h>
49 static int extendedMode;
51 static void dumppart(const char *path, struct partinfo *dpart);
52 static void usage(const char *av0);
55 main(int ac, char **av)
57 struct partinfo dpart;
62 while ((ch = getopt(ac, av, "qx")) != -1) {
74 for (i = optind; i < ac; ++i) {
75 if ((fd = open(av[i], O_RDONLY)) < 0) {
76 if (errno != ENXIO || quietMode == 0)
77 printf("%-16s %s\n", av[i], strerror(errno));
80 bzero(&dpart, sizeof(dpart));
81 if (ioctl(fd, DIOCGPART, &dpart) < 0) {
82 printf("%-16s %s\n", av[i], strerror(errno));
83 } else if (dpart.media_size == 0 && dpart.fstype == 0 &&
84 dpart.fstypestr[0] == 0) {
86 printf("%-16s unused\n", av[i]);
88 dumppart(av[i], &dpart);
97 dumppart(const char *path, struct partinfo *dpart)
99 printf("%-16s ", path);
100 printf("blksize=%-4d off=%012llx size=%012llx ",
101 dpart->media_blksize,
105 if (dpart->media_size >= 100LL*1024*1024*1024) {
107 (double)dpart->media_size /
108 (1024.0*1024.0*1024.0)
110 } else if (dpart->media_size >= 1024*1024) {
112 (double)dpart->media_size /
117 (double)dpart->media_size / 1024.0
121 if (dpart->fstypestr[0]) {
122 printf(" fs=%s", dpart->fstypestr);
123 } else if (dpart->fstype) {
125 if (dpart->fstype < 0 ||
126 dpart->fstype >= (int)FSMAXTYPES) {
127 printf("%d", dpart->fstype);
129 printf("%s", fstypenames[dpart->fstype]);
132 if (dpart->reserved_blocks) {
134 * note: rsvdlabel is inclusive of rsvdplat. i.e.
135 * they are not relative to each other.
137 printf(" reserved=%lld", dpart->reserved_blocks);
145 usage(const char *av0)
147 fprintf(stderr, "%s [-q] [devices....]\n", av0);