| KDK_GET_DISKINFO(3) | Library Functions Manual | KDK_GET_DISKINFO(3) |
NAME
kdk_get_diskinfo - 获取指定磁盘的磁盘信息
SYNOPSIS
#include <libkydiskinfo.h> extern kdk_diskinfo *kdk_get_diskinfo(const char *diskname); Link with -lkydiskinfo.
Detailed Description
Based on the specified disk name diskname, such as absolute path such as /dev/sda, or kdk_get_disklist() function returns an element from a value to obtain disk information.
RETURN VALUE
kdk_diskinfo is a structure that stores disk information, as follows:
typedef struct _kdk_diskinfo{
char *name; // 绝对路径
char *vendor; // 制造商
char *model; // 型号
char *serial; // 序列号
kdk_disk_type disk_type; //
磁盘类型,固态 or 机械
or 混合
kdk_disk_interface_type inter_type; // 接口类型
unsigned int rpm; //
转速,注意固态是没有转速概念的
unsigned long long sectors_num; // 扇区数量
unsigned int sector_size; //
每个扇区的字节数
float total_size_MiB; //
磁盘容量,MiB为单位
unsigned int partition_nums; //
该磁盘/分区下的子分区数量
char *uuid; // UUID
short mounted; // 是否已挂载
char *mount_path; // 挂载路径
kdk_disk_format format; // 格式化类型
kdk_disk_partition_type part_type; // 分区类型
char *fwrev; //固件版本信息
}kdk_diskinfo;
EXAMPLES
#include "libkydiskinfo.h"
#include <stdio.h>
#include <stdlib.h>
static void display_disk_info(kdk_diskinfo *di)
{
printf("---------------%s------------------0, di->name);
printf("Disk Sectors:%llu0, di->sectors_num);
printf("Disk Sector Size:%u0, di->sector_size);
printf("Disk Size:%f MiB0, di->total_size_MiB);
printf("Disk Model:%s0, di->model ? di->model : "None");
printf("Disk Serial:%s0, di->serial ? di->serial : "None");
printf("Disk Partition Number:%u0, di->partition_nums);
printf("Disk Type:%d0, di->disk_type);
printf("Disk fwrev:%s0, di->fwrev);
}
static void display_disk_list(char **disklist)
{
int count = 0;
while (disklist[count])
{
printf("No. %d %s0, count + 1, disklist[count]);
count ++;
}
}
int main()
{
char **disklist = kdk_get_disklist();
// display_disk_list(disklist);
for (int i = 0; disklist[i]; i++)
{
kdk_diskinfo *sdainfo = kdk_get_diskinfo(disklist[i]);
if (!sdainfo)
{
printf("[%s]Get disk info error.0, disklist[i]);
continue;
}
display_disk_info(sdainfo);
kdk_free_diskinfo(sdainfo);
}
kdk_free_disklist(disklist);
char **di = kdk_get_hard_disk();
size_t num = 0;
while (di[num])
{
printf("No. %ld %s0, num + 1, di[num]);
char *res = kdk_get_hard_disk_size(di[num]);
printf("容量 = %s0, res);
free(res);
res = kdk_get_hard_fwrev(di[num]);
printf("固态版本 = %s0, res);
free(res);
res = kdk_get_hard_vendor(di[num]);
printf("厂商 = %s0, res);
free(res);
res = kdk_get_hard_type(di[num]);
printf("类型 = %s0, res);
free(res);
res = kdk_get_hard_model(di[num]);
printf("型号 = %s0, res);
free(res);
res =kdk_get_hard_serial(di[num]);
printf("序列号 = %s0, res);
free(res);
num ++;
}
kdk_free_disklist(di);
return 0;
}
CONFORMING TO
These functions are as per the withdrawn POSIX.1e draft specification. The following functions are Linux extensions: kdk_get_disklist(), kdk_get_hard_disk(), and kdk_get_hard_disk_size().
SEE ALSO
kdk_get_disklist(3), kdk_free_disklist(3), kdk_free_diskinfo(3)
| Thu Aug 10 2023 | Linux Programmer's Manual |