static void
timedsleep(int (*f)(void*), void* arg, int ms)
{
int s;
ulong end;
end = m->ticks + 1 + MS2TK(ms);
while(m->ticks < end && !(*f)(arg)) {
s = spllo();
delay(10);
splx(s);
}
}
void
tsleep(Rendez *r, int (*fn)(void*), void *arg, int ms)
{
ulong when;
Proc *f, **l;
if(up == nil)
panic("tsleep() not in process (0x%lux)", getcallerpc(&r));
when = MS2TK(ms)+MACHP(0)->ticks;
lock(&talarm);
/* take out of list if checkalarm didn't */
if(up->trend) {
l = &talarm.list;
for(f = *l; f; f = f->tlink) {
if(f == up) {
*l = up->tlink;
break;
}
l = &f->tlink;
}
}
/* insert in increasing time order */
l = &talarm.list;
for(f = *l; f; f = f->tlink) {
if(f->twhen >= when)
break;
l = &f->tlink;
}
up->trend = r;
up->twhen = when;
up->tfn = fn;
up->tlink = *l;
*l = up;
unlock(&talarm);
if(waserror()){
up->twhen = 0;
nexterror();
}
sleep(r, tfn, arg);
up->twhen = 0;
poperror();
}
Eventlen = 256,
Nevents = 64, /* must be power of 2 */
Fread = 0,
Fwrite,
Tfree = -1,
Tmgmt,
/*
* round trip bounds, timeouts, in ticks.
* timeouts should be long enough that rebooting
* the coraid (which usually takes under two minutes)
* doesn't trigger a timeout.
*/
Rtmax = MS2TK(320),
Rtmin = MS2TK(20),
Maxreqticks = 4*60*HZ, /* was 45*HZ */
Dbcnt = 1024,
Crd = 0x20,
Crdext = 0x24,
Cwr = 0x30,
Cwrext = 0x34,
Cid = 0xec,
};
enum {
Read,
Write,
