On Wed, 06/28 16:06, Paolo Bonzini wrote: > > > On 28/06/2017 16:02, Fam Zheng wrote: > >>> It's implemented by creating a wrapper property that basically forwards > >>> operations to a QOM "link-FOO" property, which handles the check > >>> callback and flags. The feature that is missing from QOM is the dynamic > >>> child pointer which is done in the added code with the usual "offset" > >>> approach. > >> Would it be possible to add a ".create" field to PropertyInfo? Then > >> there's no need to introduce the wrapper. > > QOM setter/getter want a LinkProperty opaque pointer, but qdev uses a > > Property > > pointer. I don't see a way to adapt that with .create(). Can you elaborate? > > The .create() callback would call object_property_add_link directly. > There would be no change in the properties at the QOM level, but the > PropertyInfo lets "info qtree" show the property.
Thanks, I see, I'll try it in v2 if Andreas agrees on the general idea. Fam