Hi,
On Fri, Aug 08, 2008 at 10:34:00AM -0400, Daniel Veillard wrote:
[..snip..] 
> I think the only thing missing is extending the descrition in the 
> documentation
> would you mind adding a description in formatdomain.html(.in)
> Probably an "USB devices" section added below the elementsDisks part,
> explaining the syntaxes and stating that it was added in versions after 0.4.4
> 
>   If you don't feel comfortable with that I can do it, but you know better :)
Attached is a short patch for this. This might be a bit terse but we'll
have to change this anyhow once pci passthrough for xen arrives.
Cheers,
 -- Guido
>From 3a962e2f7a326e4dc8c27f37d7d206f6a6bf0530 Mon Sep 17 00:00:00 2001
From: Guido Guenther <[EMAIL PROTECTED]>
Date: Fri, 8 Aug 2008 17:41:17 +0200
Subject: [PATCH] usb doc update

---
 docs/formatdomain.html.in |   49 +++++++++++++++++++++++++++++++++++++++++---
 1 files changed, 45 insertions(+), 4 deletions(-)

diff --git a/docs/formatdomain.html.in b/docs/formatdomain.html.in
index d4f650e..1f02727 100644
--- a/docs/formatdomain.html.in
+++ b/docs/formatdomain.html.in
@@ -362,10 +362,11 @@
 	the device name in the guest OS. Treat it as a device ordering hint.
 	The optional <code>bus</code> attribute specifies the type of disk device
 	to emulate; possible values are driver specific, with typical values being
-	"ide", "scsi", "virtio", "xen". If omitted, the bus type is inferred from
-	the style of the device name. eg, a device named 'sda' will typically be
-	exported using a SCSI bus.
-	<span class="since">Since 0.0.3; <code>bus</code> attribute since 0.4.3</span></dd>
+	"ide", "scsi", "virtio", "xen" or "usb". If omitted, the bus type is
+	inferred from the style of the device name. eg, a device named 'sda'
+	will typically be exported using a SCSI bus.
+	<span class="since">Since 0.0.3; <code>bus</code> attribute since 0.4.3;
+        "usb" attribute value since after 0.4.4</span></dd>
       <dt><code>driver</code></dt>
       <dd>If the hypervisor supports multiple backend drivers, then the optional
 	<code>driver</code> element allows them to be selected. The <code>name</code>
@@ -374,6 +375,46 @@
       </dd>
     </dl>
 
+    <h4><a name="elementsUSB">USB devices</a></h4>
+
+    <p>
+      USB devices attached to the host can be passed through to the guest using
+      the <code>hostdev</code> element. <span class="since">since after 0.4.4</span>
+    </p>
+
+    <pre>
+          ...
+	  &lt;hostdev mode='subsystem' type='usb'&gt;
+	    &lt;source&gt;
+	      &lt;vendor id='0x1234'/&gt;
+	      &lt;product id='0xbeef'/&gt;
+	    &lt;/source&gt;
+	  &lt;/disk&gt;
+	  ...</pre>
+
+    <dl>
+      <dt><code>hostdev</code></dt>
+      <dd>The <code>hostdev</code> element is the main container for describing
+      host devices. For usb device passthrough <code>mode</code> is always
+      "subsystem" and <code>type</code> is "usb".
+      <dt><code>source</code></dt>
+      <dd>The source element describes the device as seen from the host.
+      The USB device can either be addressed by vendor / product id using the
+      <code>vendor</code> and <code>product</code> elements or by the device's
+      address on the hosts using the <code>address</code> element.</dd>
+      <dt><code>vendor</code>, <code>product</code></dt>
+      <dd>The <code>vendor</code> and <code>product</code> elements each have an
+      <code>id</code> attribute that specifies the USB vendor and product id.
+      The ids can be given in decimal, hexadecimal (starting with 0x) or
+      ocatal (starting with 0) form.</dd>
+      <dt><code>address</code></dt>
+      <dd>The <code>address</code> element has a <code>bus</code> and
+      <code>device</code> attribute to specify the USB bus and device number
+      the device appears at on the host. The values of these attributes can
+      be given in decimal, hexadecimal (starting with 0x) or ocatal (starting
+      with 0) form.</dd>
+    </dl>
+
     <h4><a name="elementsNICS">Network interfaces</a></h4>
 
     <pre>
-- 
1.5.6.3

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