diff options
| -rw-r--r-- | hw/s390x/3270-ccw.c | 1 | ||||
| -rw-r--r-- | hw/s390x/css.c | 45 | ||||
| -rw-r--r-- | hw/s390x/virtio-ccw.c | 1 | ||||
| -rw-r--r-- | include/hw/s390x/css.h | 2 |
4 files changed, 33 insertions, 16 deletions
diff --git a/hw/s390x/3270-ccw.c b/hw/s390x/3270-ccw.c index 13e93d8d8f..69e6783ade 100644 --- a/hw/s390x/3270-ccw.c +++ b/hw/s390x/3270-ccw.c @@ -129,6 +129,7 @@ static void emulated_ccw_3270_realize(DeviceState *ds, Error **errp) EMULATED_CCW_3270_CHPID_TYPE); sch->do_subchannel_work = do_subchannel_work_virtual; sch->ccw_cb = emulated_ccw_3270_cb; + sch->irb_cb = build_irb_virtual; ck->init(dev, &err); if (err) { diff --git a/hw/s390x/css.c b/hw/s390x/css.c index 26bd01458f..1a3aad5163 100644 --- a/hw/s390x/css.c +++ b/hw/s390x/css.c @@ -1650,6 +1650,30 @@ static void build_irb_sense_data(SubchDev *sch, IRB *irb) } } +void build_irb_virtual(SubchDev *sch, IRB *irb) +{ + SCHIB *schib = &sch->curr_status; + uint16_t stctl = schib->scsw.ctrl & SCSW_CTRL_MASK_STCTL; + + if (stctl & SCSW_STCTL_STATUS_PEND) { + if (schib->scsw.cstat & (SCSW_CSTAT_DATA_CHECK | + SCSW_CSTAT_CHN_CTRL_CHK | + SCSW_CSTAT_INTF_CTRL_CHK)) { + irb->scsw.flags |= SCSW_FLAGS_MASK_ESWF; + irb->esw.word0 = 0x04804000; + } else { + irb->esw.word0 = 0x00800000; + } + /* If a unit check is pending, copy sense data. */ + if ((schib->scsw.dstat & SCSW_DSTAT_UNIT_CHECK) && + (schib->pmcw.chars & PMCW_CHARS_MASK_CSENSE)) { + irb->scsw.flags |= SCSW_FLAGS_MASK_ESWF | SCSW_FLAGS_MASK_ECTL; + build_irb_sense_data(sch, irb); + irb->esw.erw = ESW_ERW_SENSE | (sizeof(sch->sense_data) << 8); + } + } +} + int css_do_tsch_get_irb(SubchDev *sch, IRB *target_irb, int *irb_len) { SCHIB *schib = &sch->curr_status; @@ -1668,23 +1692,12 @@ int css_do_tsch_get_irb(SubchDev *sch, IRB *target_irb, int *irb_len) /* Copy scsw from current status. */ irb.scsw = schib->scsw; - if (stctl & SCSW_STCTL_STATUS_PEND) { - if (schib->scsw.cstat & (SCSW_CSTAT_DATA_CHECK | - SCSW_CSTAT_CHN_CTRL_CHK | - SCSW_CSTAT_INTF_CTRL_CHK)) { - irb.scsw.flags |= SCSW_FLAGS_MASK_ESWF; - irb.esw.word0 = 0x04804000; - } else { - irb.esw.word0 = 0x00800000; - } - /* If a unit check is pending, copy sense data. */ - if ((schib->scsw.dstat & SCSW_DSTAT_UNIT_CHECK) && - (schib->pmcw.chars & PMCW_CHARS_MASK_CSENSE)) { - irb.scsw.flags |= SCSW_FLAGS_MASK_ESWF | SCSW_FLAGS_MASK_ECTL; - build_irb_sense_data(sch, &irb); - irb.esw.erw = ESW_ERW_SENSE | (sizeof(sch->sense_data) << 8); - } + + /* Build other IRB data, if necessary */ + if (sch->irb_cb) { + sch->irb_cb(sch, &irb); } + /* Store the irb to the guest. */ p = schib->pmcw; copy_irb_to_guest(target_irb, &irb, &p, irb_len); diff --git a/hw/s390x/virtio-ccw.c b/hw/s390x/virtio-ccw.c index 220b9efcf9..d68888fccd 100644 --- a/hw/s390x/virtio-ccw.c +++ b/hw/s390x/virtio-ccw.c @@ -753,6 +753,7 @@ static void virtio_ccw_device_realize(VirtioCcwDevice *dev, Error **errp) sch->id.reserved = 0xff; sch->id.cu_type = VIRTIO_CCW_CU_TYPE; sch->do_subchannel_work = do_subchannel_work_virtual; + sch->irb_cb = build_irb_virtual; ccw_dev->sch = sch; dev->indicators = NULL; dev->revision = -1; diff --git a/include/hw/s390x/css.h b/include/hw/s390x/css.h index bba7593d2e..7c23a13f3d 100644 --- a/include/hw/s390x/css.h +++ b/include/hw/s390x/css.h @@ -138,6 +138,7 @@ struct SubchDev { int (*ccw_cb) (SubchDev *, CCW1); void (*disable_cb)(SubchDev *); IOInstEnding (*do_subchannel_work) (SubchDev *); + void (*irb_cb)(SubchDev *, IRB *); SenseId id; void *driver_data; }; @@ -215,6 +216,7 @@ void css_clear_sei_pending(void); IOInstEnding s390_ccw_cmd_request(SubchDev *sch); IOInstEnding do_subchannel_work_virtual(SubchDev *sub); IOInstEnding do_subchannel_work_passthrough(SubchDev *sub); +void build_irb_virtual(SubchDev *sch, IRB *irb); int s390_ccw_halt(SubchDev *sch); int s390_ccw_clear(SubchDev *sch); |