int kvm_irqchip_update_msi_route(KVMState *s, int virq, MSIMessage msg) { struct kvm_irq_routing_entry kroute; if (!kvm_irqchip_in_kernel()) { return -ENOSYS; } kroute.gsi = virq; kroute.type = KVM_IRQ_ROUTING_MSI; kroute.flags = 0; kroute.u.msi.address_lo = (uint32_t)msg.address; kroute.u.msi.address_hi = msg.address >> 32; kroute.u.msi.data = le32_to_cpu(msg.data); return kvm_update_routing_entry(s, &kroute); }