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author | Yi Min Zhao | 2017-02-17 08:26:48 +0100 |
---|---|---|
committer | Christian Borntraeger | 2017-07-14 12:29:47 +0200 |
commit | 25a08b8ded0f4f898b6b12c7ee2cf4c1c55cfcce (patch) | |
tree | a442eabaaef065cd3a5a1106a91ed6bee52087e0 /hw | |
parent | s390x/sic: realize SIC handling (diff) | |
download | qemu-25a08b8ded0f4f898b6b12c7ee2cf4c1c55cfcce.tar.gz qemu-25a08b8ded0f4f898b6b12c7ee2cf4c1c55cfcce.tar.xz qemu-25a08b8ded0f4f898b6b12c7ee2cf4c1c55cfcce.zip |
s390x/css: update css_adapter_interrupt
Let's use the new inject_airq callback of flic to inject adapter
interrupts. For kvm case, if the kernel flic doesn't support the new
interface, the irq routine remains unchanged. For non-kvm case,
qemu-flic handles the suppression process.
Signed-off-by: Yi Min Zhao <zyimin@linux.vnet.ibm.com>
Signed-off-by: Fei Li <sherrylf@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Diffstat (limited to 'hw')
-rw-r--r-- | hw/s390x/css.c | 18 | ||||
-rw-r--r-- | hw/s390x/s390-pci-bus.c | 2 | ||||
-rw-r--r-- | hw/s390x/virtio-ccw.c | 2 |
3 files changed, 18 insertions, 4 deletions
diff --git a/hw/s390x/css.c b/hw/s390x/css.c index 7b82176bc2..1aed89fd85 100644 --- a/hw/s390x/css.c +++ b/hw/s390x/css.c @@ -547,12 +547,26 @@ out: return r; } -void css_adapter_interrupt(uint8_t isc) +void css_adapter_interrupt(CssIoAdapterType type, uint8_t isc) { + S390FLICState *fs = s390_get_flic(); + S390FLICStateClass *fsc = S390_FLIC_COMMON_GET_CLASS(fs); uint32_t io_int_word = (isc << 27) | IO_INT_WORD_AI; + IoAdapter *adapter = channel_subsys.io_adapters[type][isc]; + + if (!adapter) { + return; + } trace_css_adapter_interrupt(isc); - s390_io_interrupt(0, 0, 0, io_int_word); + if (fs->ais_supported) { + if (fsc->inject_airq(fs, type, isc, adapter->flags)) { + error_report("Failed to inject airq with AIS supported"); + exit(1); + } + } else { + s390_io_interrupt(0, 0, 0, io_int_word); + } } static void sch_handle_clear_func(SubchDev *sch) diff --git a/hw/s390x/s390-pci-bus.c b/hw/s390x/s390-pci-bus.c index b9603e7802..2de4435da8 100644 --- a/hw/s390x/s390-pci-bus.c +++ b/hw/s390x/s390-pci-bus.c @@ -504,7 +504,7 @@ static void s390_msi_ctrl_write(void *opaque, hwaddr addr, uint64_t data, 0x80 >> ((ind_bit + vec) % 8)); if (!set_ind_atomic(pbdev->routes.adapter.summary_addr + sum_bit / 8, 0x80 >> (sum_bit % 8))) { - css_adapter_interrupt(pbdev->isc); + css_adapter_interrupt(CSS_IO_ADAPTER_PCI, pbdev->isc); } } diff --git a/hw/s390x/virtio-ccw.c b/hw/s390x/virtio-ccw.c index e18fd2600d..5afd9bb019 100644 --- a/hw/s390x/virtio-ccw.c +++ b/hw/s390x/virtio-ccw.c @@ -1074,7 +1074,7 @@ static void virtio_ccw_notify(DeviceState *d, uint16_t vector) 0x80 >> ((ind_bit + vector) % 8)); if (!virtio_set_ind_atomic(sch, dev->summary_indicator->addr, 0x01)) { - css_adapter_interrupt(dev->thinint_isc); + css_adapter_interrupt(CSS_IO_ADAPTER_VIRTIO, dev->thinint_isc); } } else { indicators = address_space_ldq(&address_space_memory, |