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
|
#include <fcntl.h>
#include <unistd.h>
#include <sys/ioctl.h>
#include <scsi/sg.h>
#include <string.h>
#include <stdio.h>
int main(int argc, char ** argv)
{
int fd;
int res;
int i;
struct sg_io_hdr sg;
unsigned char command[12];
unsigned char reply[200];
unsigned char sense[16];
if(argc < 2)
{
fputs("Please specify the path to the scsi device (sgN or sdX)\n",stderr);
return 1;
}
fd = open(argv[1],O_RDWR);
if(fd < 0)
{
perror("Cannot open device");
return 1;
}
if(ioctl(fd,SG_GET_VERSION_NUM,&i) < 0)
{
perror("ioctl SG_GET_VERSTION_NUM failed. Missing sg support?");
return 1;
}
memset(command,0,12);
command[0] = 0xC2; /* sony special commands */
command[3] = 0x00; /* subcommand: erase all data (0x00); format (0x01) */
command[4] = 0x03; /* control flags */
sg.interface_id = 'S';
sg.dxfer_direction = SG_DXFER_NONE;
sg.cmd_len = 12;
sg.mx_sb_len = 16;
sg.iovec_count = 0;
sg.dxfer_len = 0;
sg.dxferp = reply;
sg.cmdp = command;
sg.sbp = sense;
sg.timeout = 10000000;
sg.flags = 0;
sg.pack_id = 0;
sg.usr_ptr = NULL;
res = ioctl(fd,SG_IO,&sg);
if(res < 0)
{
perror("performing SCSI command");
return 1;
}
if(sg.sb_len_wr)
{
printf("Formatting failed! Sense data: ");
for(i = 0;i < sg.sb_len_wr;i++)
printf("%02X ",(unsigned char)sense[i]);
putchar('\n');
return 1;
}
close(fd);
return 0;
}
|
