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domain.rng vs. formatdomain.html#elementsUSB

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The Relax-NG schema for domains regarding <hostdev> doesn't match what's
implemented in src/conf/domain_conf.c#virDomainHostdevDefFormat(): The
implementation only requires @type, but the schema currently either
required none or all three attributes (@mode, @type, and @managed) to be
defined together, because they are declared in the same
<optional)-section. (@managed is currently even undocumented on
<http://libvirt.org/formatdomain.html#elementsUSB>).

Thus the following minimal <hostdev>-example fails to validate:
<domain type='test'>
        <name>N</name>
        <memory>4096</memory>
        <bootloader>/bin/false</bootloader>
        <os>
                <type arch='x86_64' machine='xenpv'>linux</type>
        </os>
        <devices>
                <hostdev type='pci'>
                        <source>
                                <address bus='0x06' slot='0x00' function='0x0'/>
                        </source>
                </hostdev>
        </devices>
</domain>

The schema is changed to match the current implementation:
1. @mode is optional (which defaults to 'subsystem')
2. @type is required
3. @managed is optional (which defaults to 'no')

The documentation is updated to mention @managed.

Signed-off-by: Philipp Hahn <hahn@univention.de>
This commit is contained in:
Philipp Hahn 2011-03-01 11:23:20 +01:00 committed by Eric Blake
parent de6b8a0800
commit a757e60a07
2 changed files with 14 additions and 10 deletions
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10
docs/formatdomain.html.in
View File

@ -954,7 +954,7 @@
<pre>
...
&lt;devices&gt;
&lt;hostdev mode='subsystem' type='pci'&gt;
&lt;hostdev mode='subsystem' type='pci' managed='yes'&gt;
&lt;source&gt;
&lt;address bus='0x06' slot='0x02' function='0x0'/&gt;
&lt;/source&gt;
@ -966,9 +966,11 @@
<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" for an USB device and "pci"
for a PCI device..
host devices. For usb device passthrough <code>mode</code> is always
"subsystem" and <code>type</code> is "usb" for a USB device and "pci"
for a PCI device. When <code>managed</code> is "yes" for a PIC
device, it is detached from the host before being passed on to
the guest.</dd>
<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

14
docs/schemas/domain.rng
View File

@ -1731,12 +1731,14 @@
<value>capabilities</value>
</choice>
</attribute>
<attribute name="type">
<choice>
<value>usb</value>
<value>pci</value>
</choice>
</attribute>
</optional>
<attribute name="type">
<choice>
<value>usb</value>
<value>pci</value>
</choice>
</attribute>
<optional>
<attribute name="managed">
<choice>
<value>yes</value>