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 1.2 2007/05/16 05:20:10 dillon Exp $
38 #include <sys/types.h>
39 #include <sys/fcntl.h>
40 #include <sys/disklabel.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
->skip_platform
|| dpart
->skip_bsdlabel
) {
134 * note: rsvdlabel is inclusive of rsvdplat. i.e.
135 * they are not relative to each other.
137 printf(" rsvdplat=%d rsvdlabel=%d",
138 dpart
->skip_platform
, dpart
->skip_bsdlabel
);
146 usage(const char *av0
)
148 fprintf(stderr
, "%s [-q] [devices....]\n", av0
);