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docs: document <driver name='vhost'/> for interfaces

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* docs/formatdomain.html.in: Document virtio backend selection.
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Eric Blake 2011-03-08 16:35:17 -07:00
parent 24bfa52e93
commit 94a4b6300c
1 changed files with 13 additions and 1 deletions
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14
docs/formatdomain.html.in
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@ -1388,7 +1388,7 @@ qemu-kvm -net nic,model=? /dev/null
&lt;source network='default'/&gt;
&lt;target dev='vnet1'/&gt;
&lt;model type='virtio'/&gt;
<b>&lt;driver txmode='iothread'/&gt;</b>
<b>&lt;driver name='vhost' txmode='iothread'/&gt;</b>
&lt;/interface&gt;
&lt;/devices&gt;
...</pre>
@ -1401,6 +1401,18 @@ qemu-kvm -net nic,model=? /dev/null
</p>
<dl>
<dt><code>name</code></dt>
<dd>
The optional <code>name</code> attribute forces which type of
backend driver to use. The value can be either 'qemu' (a
user-space backend) or 'vhost' (a kernel backend, which
requires the vhost module to be provided by the kernel); an
attempt to require the vhost driver without kernel support
will be rejected. If this attribute is not present, then the
domain defaults to 'vhost' if present, but silently falls back
to 'qemu' without error.
<span class="since">Since 0.8.8 (QEMU and KVM only)</span>
</dd>
<dt><code>txmode</code></dt>
<dd>
The <code>txmode</code> attribute specifies how to handle