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Re: [libvirt] [PATCH] qemu: Support ram bar size for qxl devices



On Fri, Jan 18, 2013 at 05:22:32 -0500, Alon Levy wrote:
> Hi Eric,
> 
>  I'm having trouble with the RNG approach. I've created a test rng and test xml with xmllint that can create the problem I am seeing, specifically:
> 
> test.rng:
> 
> <?xml version="1.0"?>
> <grammar xmlns="http://relaxng.org/ns/structure/1.0"; datatypeLibrary="http://www.w3.org/2001/XMLSchema-datatypes";>
>   <start>
>     <ref name="video"/>
>   </start>
>   <define name="video">
>     <element name="video">
>       <optional>
>         <element name="model">
>           <attribute name="type">
>             <choice>
>               <value>vga</value>
>             </choice>
>           </attribute>
>           <group>
>             <attribute name="type">
>               <value>qxl</value>
>             </attribute>
>             <optional>
>               <attribute name="ram">
>               </attribute>
>             </optional>
>           </group>

The critical part you are missing is that the attribute type=vga and the
group containing attribute type=qxl need to be within a choice element.
That is:

    <element name="model">
      <choice> <!-- this is important -->
        <attribute name="type">
          <choice>
            <value>vga</value>
            ...
          </choice>
        </attribute>
        <group>
          <attribute name="type">
            <value>qxl</value>
          </attribute>
          <optional>
            <attribute name="ram"/>
          </optional>
        </group>
      </choice>
      ...
>           <optional>
>             <attribute name="vram">
>             </attribute>
>           </optional>
>         </element>
>       </optional>
>     </element>
>   </define>
> </grammar>

Jirka


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