diff options
| author | Peter Maydell <peter.maydell@linaro.org> | 2014-07-08 15:10:42 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2014-07-08 15:10:42 +0100 |
| commit | d614cb68dacca24eb003825144d5a55d8f459a13 (patch) | |
| tree | 3e9992fa1cb16932c8f85195b22fe1e8a5569d0a /hw | |
| parent | 67d01fb8066b7bfa9be1b2c8537ad3f2406d98cf (diff) | |
| parent | 2ed982b6a984cdf2940f426ee246f52492d4a415 (diff) | |
Merge remote-tracking branch 'remotes/cohuck/tags/s390x-20140708' into staging
Bugfixes for s390x: set subsystem id in the lowcore when booting from the
s390-ccw bios, and set the channel-program address after I/O completion,
when applicable.
# gpg: Signature made Tue 08 Jul 2014 14:18:20 BST using RSA key ID C6F02FAF
# gpg: Can't check signature: public key not found
* remotes/cohuck/tags/s390x-20140708:
s390x/css: reflect cpa in scsw
pc-bios/s390-ccw: update binary
pc-bios/s390-ccw: store proper subsystem information word
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/s390x/css.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/hw/s390x/css.c b/hw/s390x/css.c index e758890dcd..49c2aaff1f 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); |