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 1.6 2007/06/27 18:15:57 dillon Exp $
38 #include <sys/types.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=%012llx size=%012llx ",
102 dpart
->media_blksize
,
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=%lld", dpart
->reserved_blocks
);
156 usage(const char *av0
)
158 fprintf(stderr
, "%s [-q] [devices....]\n", av0
);