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

From: Paolo Bonzini
Subject: Re: [Qemu-devel] [RFC] Plan for moving forward with QOM
Date: Thu, 15 Sep 2011 16:14:45 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:6.0.2) Gecko/20110906 Thunderbird/6.0.2

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

It seems easier to go backwards from the target device.

Each device most likely will have a canonical parent link, and together they will give the OF path.


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