Linux下读硬盘序列号的程序
/*
* gethddsn.c
*
* Get serial number of ide hard disk.
* example: my Maxtor 15G 's s/n is K306S04C.
*
* Compile with: gcc -O2 gethddsn.c
*
* Xiaoming DONG <xmdong@263.net>
* Aug 24, 2000
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h> /* ioperm() */
#include <asm/io.h> /* outb(), inb() */
/* get serial number */
int gethddsn(char *ide)
{
unsigned int ide_info[257];
unsigned int info_off;
unsigned long loop2=0;
int loop, loop1=0;
if (ioperm(0x1f6, 1, 1)) {
perror("ioperm"); exit(-1);
}
outb(0xa0, 0x1f6);
if (ioperm(0x1f7, 1, 1)) {
perror("ioperm"); exit(-1);
}
outb(0xec, 0x1f7);
do {
if (ioperm(0x1f7, 1, 1)) {
perror("ioperm"); exit(-1);
}
} while (inb(0x1f7) != 0x58 && loop2++ < 0xffff);
for (info_off=0; info_off != 256; info_off++) {
if (ioperm(0x1f0, 2, 1)) {
perror("ioperm"); exit(-1);
}
ide_info[info_off] = inw(0x1f0);
}
for (loop=10, loop1=0; loop<=19; loop++)
{
ide[loop1++] = (char)(ide_info[loop] / 256);
ide[loop1++] = (char)(ide_info[loop] % 256);
}
ide[loop1] = 0;
if (loop1 > 40) printf("*error*\n");
return 0;
}
void main() /* print hard disk number */
{
static char serial[41];
gethddsn(serial);
printf("IDE hard disk s/n: %s\n", serial);
}
/* end of gethddsn.c */
