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s390x/virtio-ccw: wire up irq routing and irqfds
Make use of the new s390 adapter irq routing support to enable real in-kernel irqfds for virtio-ccw with adapter interrupts. Note that s390 doesn't provide the common KVM_CAP_IRQCHIP capability, but rather needs KVM_CAP_S390_IRQCHIP to be enabled. This is to ensure backward compatibility. Reviewed-by: Thomas Huth <thuth@linux.vnet.ibm.com> Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com> Acked-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
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11 changed files with 329 additions and 18 deletions
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@ -136,6 +136,11 @@ int kvm_irqchip_update_msi_route(KVMState *s, int virq, MSIMessage msg)
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return -ENOSYS;
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}
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int kvm_irqchip_add_adapter_route(KVMState *s, AdapterInfo *adapter)
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{
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return -ENOSYS;
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}
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int kvm_irqchip_add_irqfd_notifier(KVMState *s, EventNotifier *n,
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EventNotifier *rn, int virq)
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{
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