1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
|
#include <stdio.h>
#include <errno.h>
#include <string.h>
#include <fcntl.h>
#include <inttypes.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "include/uuid.h"
#include "common/blkdev.h"
#define BUFSIZE 80
int main(int argc, char **argv)
{
int fd, ret;
int64_t size;
bool discard_support;
bool rotational;
char dev[BUFSIZE];
char model[BUFSIZE];
char serial[BUFSIZE];
char wholedisk[BUFSIZE];
char partition[BUFSIZE];
if (argc != 2) {
fprintf(stderr, "usage: %s <blkdev>\n", argv[0]);
return -1;
}
fd = open(argv[1], O_RDONLY);
if (fd < 0) {
perror("open");
return -1;
}
BlkDev blkdev(fd);
if ((ret = blkdev.get_size(&size)) < 0) {
fprintf(stderr, "get_size: %s\n", strerror(-ret));
return -1;
}
discard_support = blkdev.support_discard();
rotational = blkdev.is_rotational();
if ((ret = blkdev.dev(dev, BUFSIZE)) < 0) {
fprintf(stderr, "dev: %s\n", strerror(-ret));
return -1;
}
if ((ret = blkdev.partition(partition, BUFSIZE)) < 0) {
fprintf(stderr, "partition: %s\n", strerror(-ret));
return -1;
}
if ((ret = blkdev.wholedisk(wholedisk, BUFSIZE)) < 0) {
fprintf(stderr, "wholedisk: %s\n", strerror(-ret));
return -1;
}
ret = blkdev.model(model, BUFSIZE);
if (ret == -ENOENT) {
snprintf(model, BUFSIZE, "unknown");
} else if (ret < 0) {
fprintf(stderr, "model: %s\n", strerror(-ret));
return -1;
}
ret = blkdev.serial(serial, BUFSIZE);
if (ret == -ENOENT) {
snprintf(serial, BUFSIZE, "unknown");
} else if (ret < 0) {
fprintf(stderr, "serial: %s\n", strerror(-ret));
return -1;
}
fprintf(stdout, "Size:\t\t%" PRId64 "\n", size);
fprintf(stdout, "Discard:\t%s\n",
discard_support ? "supported" : "not supported");
fprintf(stdout, "Rotational:\t%s\n", rotational ? "yes" : "no");
fprintf(stdout, "Dev:\t\t%s\n", dev);
fprintf(stdout, "Whole disk:\t%s\n", wholedisk);
fprintf(stdout, "Partition:\t%s\n", partition);
fprintf(stdout, "Model:\t\t%s\n", model);
fprintf(stdout, "Serial:\t\t%s\n", serial);
return 0;
}
|