static Ctlr*
pnpprobe(SDev *sd)
{
ulong start;
char *p;
static int i;
if(i > nprobe)
return 0;
p = probef[i++];
if(strlen(p) < 2)
return 0;
if(p[1] == '!')
p += 2;
start = TK2MS(MACHP(0)->ticks);
if(waserror()){
print("#æ: pnpprobe failed in %lud ms: %s: %s\n",
TK2MS(MACHP(0)->ticks) - start, probef[i-1],
up->errstr);
return nil;
}
sd = aoeprobe(p, sd); /* does a round of probing */
poperror();
print("#æ: pnpprobe established %s in %lud ms\n",
probef[i-1], TK2MS(MACHP(0)->ticks) - start);
return sd->ctlr;
}
static Ctlr*
pnpprobe(SDev *sd)
{
int j;
char *p;
static int i;
if(i > nprobe)
return 0;
p = probef[i++];
if(strlen(p) < 2)
return 0;
if(p[1] == '!')
p += 2;
for(j = 0;; j += Probeintvl) {
if(j > Probemax) {
print("#æ: pnpprobe: %s: %s\n", probef[i-1], up->errstr);
return 0;
}
if(waserror()) {
tsleep(&up->sleep, return0, 0, Probeintvl);
continue;
}
sd = aoeprobe(p, sd);
poperror();
break;
}
print("#æ: pnpprobe establishes %s in %dms\n", probef[i-1], j);
aoectl(sd->ctlr, "nofail on");
return sd->ctlr;
}
static SDev*
aoeprobew(DevConf *c)
{
char *p;
p = strchr(c->type, '/');
if(p == nil || strlen(p) > Maxpath - 11)
error(Ebadarg);
if(p[1] == '#')
p++; /* hack */
if(ctlrlookup(p))
error(Einuse);
return aoeprobe(p, 0);
}