static void kvm_openpic_realize(DeviceState *dev, Error **errp) { SysBusDevice *d = SYS_BUS_DEVICE(dev); KVMOpenPICState *opp = KVM_OPENPIC(dev); KVMState *s = kvm_state; int kvm_openpic_model; struct kvm_create_device cd = {0}; int ret, i; if (!kvm_check_extension(s, KVM_CAP_DEVICE_CTRL)) { error_setg(errp, "Kernel is lacking Device Control API"); return; } switch (opp->model) { case OPENPIC_MODEL_FSL_MPIC_20: kvm_openpic_model = KVM_DEV_TYPE_FSL_MPIC_20; break; case OPENPIC_MODEL_FSL_MPIC_42: kvm_openpic_model = KVM_DEV_TYPE_FSL_MPIC_42; break; default: error_setg(errp, "Unsupported OpenPIC model %" PRIu32, opp->model); return; } cd.type = kvm_openpic_model; ret = kvm_vm_ioctl(s, KVM_CREATE_DEVICE, &cd); if (ret < 0) { error_setg(errp, "Can't create device %d: %s", cd.type, strerror(errno)); return; } opp->fd = cd.fd; sysbus_init_mmio(d, &opp->mem); qdev_init_gpio_in(dev, kvm_openpic_set_irq, OPENPIC_MAX_IRQ); opp->mem_listener.region_add = kvm_openpic_region_add; opp->mem_listener.region_del = kvm_openpic_region_del; memory_listener_register(&opp->mem_listener, &address_space_memory); /* indicate pic capabilities */ msi_supported = true; kvm_kernel_irqchip = true; kvm_async_interrupts_allowed = true; /* set up irq routing */ kvm_init_irq_routing(kvm_state); for (i = 0; i < 256; ++i) { kvm_irqchip_add_irq_route(kvm_state, i, 0, i); } kvm_irqfds_allowed = true; kvm_msi_via_irqfd_allowed = true; kvm_gsi_routing_allowed = true; kvm_irqchip_commit_routes(s); }