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#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;
}
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