On Sat, 27 Sep 2014 10:37:23 +0000 "Gonglei (Arei)" <arei.gong...@huawei.com> wrote:
> > > One thing I noticed is that the various devices end up with similar > > > code in the end: > > > > > > object_initialize(&dev->vdev, sizeof(dev->vdev), TYPE_WHATEVER); > > > object_property_add_child(obj, "virtio-backend", > > OBJECT(&dev->vdev), > > > NULL); > > > object_unref(OBJECT(&dev->vdev)); > > > qdev_alias_all_properties(DEVICE(&dev->vdev), obj); > > > > > > Would it make sense to add a helper function for that? > > > > Sorry, I'm afraid this is not helpful. Because dev and dev->vdev is different > for different virtio devices, like VirtIOBlkPCI(and its vdev is VirtIOBlock), > VirtIONetPCI(and its vdev is VirtIONet). They have no the same parameters > for above code segment. :) Hm... void virtio_instance_init_common(Object *proxydev, DeviceState *vdev, size_t vdevsize, const char *vdevname) { object_initialize(vdev, vdevsize, vdevname); object_property_add_child(proxydev, "virtio-backend", OBJECT(vdev), NULL); object_unref(OBJECT(vdev)); qdev_alias_all_properties(vdev, proxydev); } and have the initializers call virtio_instance_init_common(obj, DEVICE(&dev->vdev), sizeof(dev->vdev), TYPE_WHATEVER); ?