int kvm_irq_delivery_to_apic(struct kvm *kvm, struct kvm_lapic *src, struct kvm_lapic_irq *irq) { int i, r = -1; struct kvm_vcpu *vcpu, *lowest = NULL; if (irq->dest_mode == 0 && irq->dest_id == 0xff && kvm_is_dm_lowest_prio(irq)) printk(KERN_INFO "kvm: apic: phys broadcast and lowest prio\n"); kvm_for_each_vcpu(i, vcpu, kvm) { if (!kvm_apic_present(vcpu)) continue; if (!kvm_apic_match_dest(vcpu, src, irq->shorthand, irq->dest_id, irq->dest_mode)) continue; if (!kvm_is_dm_lowest_prio(irq)) { if (r < 0) r = 0; r += kvm_apic_set_irq(vcpu, irq); } else if (kvm_lapic_enabled(vcpu)) { if (!lowest) lowest = vcpu; else if (kvm_apic_compare_prio(vcpu, lowest) < 0) lowest = vcpu; } } if (lowest) r = kvm_apic_set_irq(lowest, irq); return r; }
int kvm_irq_delivery_to_apic(struct kvm *kvm, struct kvm_lapic *src, struct kvm_lapic_irq *irq) { int i, r = -1; struct kvm_vcpu *vcpu, *lowest = NULL; if (irq->dest_mode == 0 && irq->dest_id == 0xff && kvm_is_dm_lowest_prio(irq)) printk(KERN_INFO "kvm: apic: phys broadcast and lowest prio\n"); for (i = 0; i < KVM_MAX_VCPUS; i++) { vcpu = kvm->vcpus[i]; if (!vcpu || !kvm_apic_present(vcpu)) continue; if (!kvm_apic_match_dest(vcpu, src, irq->shorthand, irq->dest_id, irq->dest_mode)) continue; if (!kvm_is_dm_lowest_prio(irq)) { if (r < 0) r = 0; r += kvm_apic_set_irq(vcpu, irq); } else { if (!lowest) lowest = vcpu; else if (kvm_apic_compare_prio(vcpu, lowest) < 0) lowest = vcpu; } } if (lowest) r = kvm_apic_set_irq(lowest, irq); return r; }