Re: [Qemu-devel] [RFC] Plan for moving forward with QOM

[Gleb Natapov]

On Thu, Sep 15, 2011 at 04:14:45PM +0200, Paolo Bonzini wrote:
> On 09/15/2011 03:57 PM, Anthony Liguori wrote:
> >
> >void generate_tree(Device *node)
> >{
> >    if (IS_PCI_BUS(node)) {
> >       for (i = 0; i < 32; i++) {
> >          generate_tree(lookup_device(get_property(node, "slot[%d]", i)));
> >       }
> >    } else if (IS_ISA_BUS(node)) {
> >       ....
> >    } else {
> >       // leaf node, generate path segment
> >    }
> >}
> >
> >There are certainly ways to walk the graph generically (by coloring or
> >following the composition paths) but that won't give you the desired
> >ordering.
> 
> It seems easier to go backwards from the target device.
That what we do in qdev.

> 
> Each device most likely will have a canonical parent link, and
> together they will give the OF path.
> 
Yeah, this canonical parent link should be marked somehow.

--
                        Gleb.