On Sunday 23 November 2008 18:22:47 Avi Kivity wrote:
> Sheng Yang wrote:
> > The function is used to dispatch MSI to lapic according to MSI message
> > address and message data.
> >
> > +
> > + deliver_bitmask = kvm_ioapic_get_delivery_bitmask(ioapic,
> > + dest_id, dest_mode);
> > + switch (delivery_mode) {
> > + case MSI_DATA_DELIVERY_LOWPRI:
> > + vcpu = kvm_get_lowest_prio_vcpu(ioapic->kvm, vector,
> > + deliver_bitmask);
> > + if (vcpu != NULL)
> > + kvm_apic_set_irq(vcpu, vector, trig_mode);
> > + else
> > + printk(KERN_INFO "kvm: null lowest priority vcpu!\n");
> > + break;
> > + case MSI_DATA_DELIVERY_FIXED:
> > + for (vcpu_id = 0; deliver_bitmask != 0; vcpu_id++) {
> > + if (!(deliver_bitmask & (1 << vcpu_id)))
> > + continue;
> > + deliver_bitmask &= ~(1 << vcpu_id);
> > + vcpu = ioapic->kvm->vcpus[vcpu_id];
> > + if (vcpu)
> > + kvm_apic_set_irq(vcpu, vector, trig_mode);
> > + }
> > + break;
> > + default:
>
> This duplicates the ioapic code. That's fine for now, but eventually
> we'll want to refactor this.
Sure. Put on my todo list...
--
regards
Yang, Sheng
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