76 lines
1.1 KiB
C
76 lines
1.1 KiB
C
#include <u.h>
|
|
#include <libc.h>
|
|
#include <fis.h>
|
|
#include "atazz.h"
|
|
|
|
static int
|
|
ckprint(char *s)
|
|
{
|
|
char buf[ERRMAX];
|
|
int st;
|
|
Dev d;
|
|
|
|
squelch = 1;
|
|
d.fd = -1;
|
|
st = opendev(s, &d);
|
|
squelch = 0;
|
|
if(st == -1){
|
|
rerrstr(buf, sizeof buf);
|
|
if(strstr(buf, "ata command") != nil)
|
|
return 0;
|
|
return 0 /* -1 */;
|
|
}
|
|
close(d.fd);
|
|
print("%s\t%llud; %ud\t%llux\n", s, d.nsect, d.secsize, d.wwn);
|
|
return 1;
|
|
}
|
|
|
|
static int
|
|
probe0(char *s, int l)
|
|
{
|
|
char *p, *f[3], buf[16];
|
|
int i, r;
|
|
|
|
s[l] = 0;
|
|
r = 0;
|
|
for(; p = strchr(s, '\n'); s = p + 1){
|
|
if(tokenize(s, f, nelem(f)) < 1)
|
|
continue;
|
|
for(i = 0; i < 10; i++){
|
|
snprint(buf, sizeof buf, "/dev/%s%d", f[0], i);
|
|
switch(ckprint(buf)){
|
|
case -1:
|
|
eprint("!device error %s: %r\n", buf);
|
|
break;
|
|
case 0:
|
|
goto nextdev;
|
|
case 1:
|
|
r++;
|
|
break;
|
|
}
|
|
nextdev:
|
|
;
|
|
}
|
|
}
|
|
return r;
|
|
}
|
|
|
|
int
|
|
probe(void)
|
|
{
|
|
char *s;
|
|
int fd, l, r;
|
|
|
|
fd = open("/dev/sdctl", OREAD);
|
|
if(fd == -1)
|
|
return -1;
|
|
r = -1;
|
|
l = 1024; /* #S/sdctl has 0 size; guess */
|
|
if(s = malloc(l + 1))
|
|
if((l = read(fd, s, l)) > 0)
|
|
r = probe0(s, l);
|
|
free(s);
|
|
close(fd);
|
|
return r;
|
|
}
|