s->flags &= ~SCSW_FLAGS_MASK_PNO;
/* We always 'attempt to issue the clear signal', and we always succeed. */
- sch->orb = NULL;
sch->channel_prog = 0x0;
sch->last_cmd_valid = false;
s->ctrl &= ~SCSW_ACTL_CLEAR_PEND;
path = 0x80;
/* We always 'attempt to issue the halt signal', and we always succeed. */
- sch->orb = NULL;
sch->channel_prog = 0x0;
sch->last_cmd_valid = false;
s->ctrl &= ~SCSW_ACTL_HALT_PEND;
return ret;
}
-static void sch_handle_start_func(SubchDev *sch)
+static void sch_handle_start_func(SubchDev *sch, ORB *orb)
{
PMCW *p = &sch->curr_status.pmcw;
SCSW *s = &sch->curr_status.scsw;
- ORB *orb = sch->orb;
int path;
int ret;
if (!(s->ctrl & SCSW_ACTL_SUSP)) {
/* Look at the orb and try to execute the channel program. */
+ assert(orb != NULL); /* resume does not pass an orb */
p->intparm = orb->intparm;
if (!(orb->lpm & path)) {
/* Generate a deferred cc 3 condition. */
* read/writes) asynchronous later on if we start supporting more than
* our current very simple devices.
*/
-static void do_subchannel_work(SubchDev *sch)
+static void do_subchannel_work(SubchDev *sch, ORB *orb)
{
SCSW *s = &sch->curr_status.scsw;
} else if (s->ctrl & SCSW_FCTL_HALT_FUNC) {
sch_handle_halt_func(sch);
} else if (s->ctrl & SCSW_FCTL_START_FUNC) {
- sch_handle_start_func(sch);
+ sch_handle_start_func(sch, orb);
} else {
/* Cannot happen. */
return;
SCSW_ACTL_SUSP);
sch->channel_prog = 0x0;
sch->last_cmd_valid = false;
- sch->orb = NULL;
s->dstat = 0;
s->cstat = 0;
ret = 0;
s->ctrl &= ~(SCSW_CTRL_MASK_FCTL | SCSW_CTRL_MASK_ACTL);
s->ctrl |= SCSW_FCTL_CLEAR_FUNC | SCSW_FCTL_CLEAR_FUNC;
- do_subchannel_work(sch);
+ do_subchannel_work(sch, NULL);
ret = 0;
out:
}
s->ctrl |= SCSW_ACTL_HALT_PEND;
- do_subchannel_work(sch);
+ do_subchannel_work(sch, NULL);
ret = 0;
out:
if (channel_subsys->chnmon_active) {
css_update_chnmon(sch);
}
- sch->orb = orb;
sch->channel_prog = orb->cpa;
/* Trigger the start function. */
s->ctrl |= (SCSW_FCTL_START_FUNC | SCSW_ACTL_START_PEND);
s->flags &= ~SCSW_FLAGS_MASK_PNO;
- do_subchannel_work(sch);
+ do_subchannel_work(sch, orb);
ret = 0;
out:
}
s->ctrl |= SCSW_ACTL_RESUME_PEND;
- do_subchannel_work(sch);
+ do_subchannel_work(sch, NULL);
ret = 0;
out:
sch->channel_prog = 0x0;
sch->last_cmd_valid = false;
- sch->orb = NULL;
sch->thinint_active = false;
}