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-rw-r--r--hw/s390x/css.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/hw/s390x/css.c b/hw/s390x/css.c
index e758890..49c2aaf 100644
--- a/hw/s390x/css.c
+++ b/hw/s390x/css.c
@@ -200,6 +200,7 @@ static void sch_handle_halt_func(SubchDev *sch)
PMCW *p = &sch->curr_status.pmcw;
SCSW *s = &sch->curr_status.scsw;
+ hwaddr curr_ccw = sch->channel_prog;
int path;
/* Path management: In our simple css, we always choose the only path. */
@@ -216,6 +217,10 @@ static void sch_handle_halt_func(SubchDev *sch)
(s->ctrl & SCSW_ACTL_SUSP))) {
s->dstat = SCSW_DSTAT_DEVICE_END;
}
+ if ((s->ctrl & (SCSW_ACTL_SUBCH_ACTIVE | SCSW_ACTL_DEVICE_ACTIVE)) ||
+ (s->ctrl & SCSW_ACTL_SUSP)) {
+ s->cpa = curr_ccw + 8;
+ }
s->cstat = 0;
p->lpum = path;
@@ -398,6 +403,7 @@ static void sch_handle_start_func(SubchDev *sch, ORB *orb)
s->ctrl |= SCSW_STCTL_PRIMARY | SCSW_STCTL_SECONDARY |
SCSW_STCTL_STATUS_PEND;
s->dstat = SCSW_DSTAT_CHANNEL_END | SCSW_DSTAT_DEVICE_END;
+ s->cpa = sch->channel_prog + 8;
break;
case -ENOSYS:
/* unsupported command, generate unit check (command reject) */
@@ -408,6 +414,7 @@ static void sch_handle_start_func(SubchDev *sch, ORB *orb)
s->ctrl &= ~SCSW_CTRL_MASK_STCTL;
s->ctrl |= SCSW_STCTL_PRIMARY | SCSW_STCTL_SECONDARY |
SCSW_STCTL_ALERT | SCSW_STCTL_STATUS_PEND;
+ s->cpa = sch->channel_prog + 8;
break;
case -EFAULT:
/* memory problem, generate channel data check */
@@ -416,6 +423,7 @@ static void sch_handle_start_func(SubchDev *sch, ORB *orb)
s->ctrl &= ~SCSW_CTRL_MASK_STCTL;
s->ctrl |= SCSW_STCTL_PRIMARY | SCSW_STCTL_SECONDARY |
SCSW_STCTL_ALERT | SCSW_STCTL_STATUS_PEND;
+ s->cpa = sch->channel_prog + 8;
break;
case -EBUSY:
/* subchannel busy, generate deferred cc 1 */
@@ -436,6 +444,7 @@ static void sch_handle_start_func(SubchDev *sch, ORB *orb)
s->ctrl &= ~SCSW_CTRL_MASK_STCTL;
s->ctrl |= SCSW_STCTL_PRIMARY | SCSW_STCTL_SECONDARY |
SCSW_STCTL_ALERT | SCSW_STCTL_STATUS_PEND;
+ s->cpa = sch->channel_prog + 8;
break;
}
} while (ret == -EAGAIN);
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