diff options
| author | Cornelia Huck <cornelia.huck@de.ibm.com> | 2014-03-11 13:19:43 +0100 |
|---|---|---|
| committer | Cornelia Huck <cornelia.huck@de.ibm.com> | 2014-06-10 09:50:27 +0200 |
| commit | de13d2161473d02ae97ec0f8e4503147554892dd (patch) | |
| tree | 2d43f192b9e974e313eac5399d2f907493a86a8c /hw/s390x | |
| parent | 66ad0893f07f194b5c8607cb81061b8d7202511c (diff) | |
| download | qemu-de13d2161473d02ae97ec0f8e4503147554892dd.tar.gz | |
s390x: cleanup interrupt injection
Remove the need for a cpu to inject a floating interrupt on kvm.
Acked-by: Thomas Huth <thuth@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Diffstat (limited to 'hw/s390x')
| -rw-r--r-- | hw/s390x/css.c | 15 | ||||
| -rw-r--r-- | hw/s390x/s390-virtio-bus.c | 6 |
2 files changed, 6 insertions, 15 deletions
diff --git a/hw/s390x/css.c b/hw/s390x/css.c index 67b22aeeee..e758890dcd 100644 --- a/hw/s390x/css.c +++ b/hw/s390x/css.c @@ -128,13 +128,11 @@ uint16_t css_build_subchannel_id(SubchDev *sch) static void css_inject_io_interrupt(SubchDev *sch) { - S390CPU *cpu = s390_cpu_addr2state(0); uint8_t isc = (sch->curr_status.pmcw.flags & PMCW_FLAGS_MASK_ISC) >> 11; trace_css_io_interrupt(sch->cssid, sch->ssid, sch->schid, sch->curr_status.pmcw.intparm, isc, ""); - s390_io_interrupt(cpu, - css_build_subchannel_id(sch), + s390_io_interrupt(css_build_subchannel_id(sch), sch->schid, sch->curr_status.pmcw.intparm, isc << 27); @@ -147,7 +145,6 @@ void css_conditional_io_interrupt(SubchDev *sch) * with alert status. */ if (!(sch->curr_status.scsw.ctrl & SCSW_STCTL_STATUS_PEND)) { - S390CPU *cpu = s390_cpu_addr2state(0); uint8_t isc = (sch->curr_status.pmcw.flags & PMCW_FLAGS_MASK_ISC) >> 11; trace_css_io_interrupt(sch->cssid, sch->ssid, sch->schid, @@ -157,8 +154,7 @@ void css_conditional_io_interrupt(SubchDev *sch) sch->curr_status.scsw.ctrl |= SCSW_STCTL_ALERT | SCSW_STCTL_STATUS_PEND; /* Inject an I/O interrupt. */ - s390_io_interrupt(cpu, - css_build_subchannel_id(sch), + s390_io_interrupt(css_build_subchannel_id(sch), sch->schid, sch->curr_status.pmcw.intparm, isc << 27); @@ -167,11 +163,10 @@ void css_conditional_io_interrupt(SubchDev *sch) void css_adapter_interrupt(uint8_t isc) { - S390CPU *cpu = s390_cpu_addr2state(0); uint32_t io_int_word = (isc << 27) | IO_INT_WORD_AI; trace_css_adapter_interrupt(isc); - s390_io_interrupt(cpu, 0, 0, 0, io_int_word); + s390_io_interrupt(0, 0, 0, io_int_word); } static void sch_handle_clear_func(SubchDev *sch) @@ -1231,11 +1226,9 @@ void css_queue_crw(uint8_t rsc, uint8_t erc, int chain, uint16_t rsid) QTAILQ_INSERT_TAIL(&channel_subsys->pending_crws, crw_cont, sibling); if (channel_subsys->do_crw_mchk) { - S390CPU *cpu = s390_cpu_addr2state(0); - channel_subsys->do_crw_mchk = false; /* Inject crw pending machine check. */ - s390_crw_mchk(cpu); + s390_crw_mchk(); } } diff --git a/hw/s390x/s390-virtio-bus.c b/hw/s390x/s390-virtio-bus.c index 45c6b1fbd3..7c8c81b0cc 100644 --- a/hw/s390x/s390-virtio-bus.c +++ b/hw/s390x/s390-virtio-bus.c @@ -133,8 +133,7 @@ static int s390_virtio_device_init(VirtIOS390Device *dev, VirtIODevice *vdev) s390_virtio_device_sync(dev); s390_virtio_reset_idx(dev); if (dev->qdev.hotplugged) { - S390CPU *cpu = s390_cpu_addr2state(0); - s390_virtio_irq(cpu, VIRTIO_PARAM_DEV_ADD, dev->dev_offs); + s390_virtio_irq(VIRTIO_PARAM_DEV_ADD, dev->dev_offs); } return 0; @@ -478,9 +477,8 @@ static void virtio_s390_notify(DeviceState *d, uint16_t vector) { VirtIOS390Device *dev = to_virtio_s390_device_fast(d); uint64_t token = s390_virtio_device_vq_token(dev, vector); - S390CPU *cpu = s390_cpu_addr2state(0); - s390_virtio_irq(cpu, 0, token); + s390_virtio_irq(0, token); } static unsigned virtio_s390_get_features(DeviceState *d) |