static void kvm_arm_gicv3_realize(DeviceState *dev, Error **errp) { GICv3State *s = KVM_ARM_GICV3(dev); KVMARMGICv3Class *kgc = KVM_ARM_GICV3_GET_CLASS(s); Error *local_err = NULL; DPRINTF("kvm_arm_gicv3_realize\n"); kgc->parent_realize(dev, &local_err); if (local_err) { error_propagate(errp, local_err); return; } if (s->security_extn) { error_setg(errp, "the in-kernel VGICv3 does not implement the " "security extensions"); return; } gicv3_init_irqs_and_mmio(s, kvm_arm_gicv3_set_irq, NULL); /* Try to create the device via the device control API */ s->dev_fd = kvm_create_device(kvm_state, KVM_DEV_TYPE_ARM_VGIC_V3, false); if (s->dev_fd < 0) { error_setg_errno(errp, -s->dev_fd, "error creating in-kernel VGIC"); return; } kvm_device_access(s->dev_fd, KVM_DEV_ARM_VGIC_GRP_NR_IRQS, 0, &s->num_irq, true); /* Tell the kernel to complete VGIC initialization now */ kvm_device_access(s->dev_fd, KVM_DEV_ARM_VGIC_GRP_CTRL, KVM_DEV_ARM_VGIC_CTRL_INIT, NULL, true); kvm_arm_register_device(&s->iomem_dist, -1, KVM_DEV_ARM_VGIC_GRP_ADDR, KVM_VGIC_V3_ADDR_TYPE_DIST, s->dev_fd); kvm_arm_register_device(&s->iomem_redist, -1, KVM_DEV_ARM_VGIC_GRP_ADDR, KVM_VGIC_V3_ADDR_TYPE_REDIST, s->dev_fd); /* Block migration of a KVM GICv3 device: the API for saving and restoring * the state in the kernel is not yet finalised in the kernel or * implemented in QEMU. */ error_setg(&s->migration_blocker, "vGICv3 migration is not implemented"); migrate_add_blocker(s->migration_blocker); if (kvm_has_gsi_routing()) { /* set up irq routing */ kvm_init_irq_routing(kvm_state); for (i = 0; i < s->num_irq - GIC_INTERNAL; ++i) { kvm_irqchip_add_irq_route(kvm_state, i, 0, i); } kvm_gsi_routing_allowed = true; kvm_irqchip_commit_routes(kvm_state); } }