[PATCH 3/3] document pci-pridge device

[liguang <lig.fnst@xxxxxxxxxxxxxx>]

Signed-off-by: liguang <lig.fnst@xxxxxxxxxxxxxx>
---
 docs/formatdomain.html.in |   23 +++++++++++++++++++++++
 1 files changed, 23 insertions(+), 0 deletions(-)

diff --git a/docs/formatdomain.html.in b/docs/formatdomain.html.in
index 8d9ab9e..05ed18a 100644
--- a/docs/formatdomain.html.in
+++ b/docs/formatdomain.html.in
@@ -1972,6 +1972,7 @@
         0.13</span>). <code>multifunction</code> defaults to 'off',
         but should be set to 'on' for function 0 of a slot that will
         have multiple functions used.
+        Please note, you can also set type='pci-bridge' from now on.
       </dd>
       <dt><code>type='drive'</code></dt>
       <dd>Drive addresses have the following additional
@@ -4223,6 +4224,28 @@ qemu-kvm -net nic,model=? /dev/null
       </dd>
     </dl>
 
+    <h4><a name="elementsPCIbridge">pci-bridge</a></h4>
+
+    <p>
+      pci-bridge device was added aimed to arrange devices to multi-pci-bus,
+      for example:
+<pre>
+  ...
+  &lt;devices&gt;
+    &lt;pci-bridge type='root/'&gt;
+    &lt;pci-bridge type='subordinate'&gt;
+      &lt;address type='pci-bridge' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/&gt;
+    &lt;/pci-bridge&gt;
+    &lt;sound model='ac97'&gt;
+      &lt;address type='pci-bridge' domain='0x0000' bus='0x0' slot='0x06' function='0x0'/&gt;
+    &lt;/sound&gt;
+    &lt;video model type='cirrus' vram='9216' heads='1'/&gt;
+      &lt;address type='pci-bridge' domain='0x0000' bus='0x1' slot='0x06' function='0x0'/&gt;
+    &lt;/video&gt;
+  &lt;/devices&gt;
+  ...</pre>
+
+
     <h3><a name="seclabel">Security label</a></h3>
 
     <p>
-- 
1.7.2.5

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