It is important to be able to attach USB redirected devices to a
particular controller (one that supports USB2 for instance).
Without this patch, only the default bus was used.
<redirdev bus='usb' type='spicevmc'>
<address type='usb' bus='0' port='4'/>
</redirdev>
---
docs/formatdomain.html.in | 19 +++++++++++++------
docs/schemas/domaincommon.rng | 3 +++
src/conf/domain_conf.c | 14 ++++++++++++++
tests/qemuxml2argvdata/qemuxml2argv-usb-redir.args | 2 +-
tests/qemuxml2argvdata/qemuxml2argv-usb-redir.xml | 1 +
5 files changed, 32 insertions(+), 7 deletions(-)
diff --git a/docs/formatdomain.html.in b/docs/formatdomain.html.in
index b960381..399388f 100644
--- a/docs/formatdomain.html.in
+++ b/docs/formatdomain.html.in
@@ -1417,14 +1417,21 @@
tunnel; <code>type='tcp'</code>
or <code>type='spicevmc'</code> (which uses the usbredir
channel of a <a href="#elementsGraphics">SPICE graphics
- device</a>) are typical. Further sub-elements, such
- as <code><source></code>, may be required according to
- the given type, although a <code><target></code>
- sub-element is not required (since the consumer of the
- character device is the hypervisor itself, rather than a
- device visible in the guest).</dd>
+ device</a>) are typical.</dd>
</dl>
+ <p>
+ The redirdev element has an optional sub-element
+ <code><address></code> which can tie the device to a
+ particular controller.
+ </p>
+ <p>
+ Further sub-elements, such as <code><source></code>, may
+ be required according to the given type, although
+ a <code><target></code> sub-element is not required (since
+ the consumer of the character device is the hypervisor itself,
+ rather than a device visible in the guest).
+ </p>
<h4><a name="elementsSmartcard">Smartcard devices</a></h4>
diff --git a/docs/schemas/domaincommon.rng b/docs/schemas/domaincommon.rng
index 8e7fd63..02c3c7f 100644
--- a/docs/schemas/domaincommon.rng
+++ b/docs/schemas/domaincommon.rng
@@ -1986,6 +1986,9 @@
<ref name="qemucdevSrcTypeChoice"/>
</attribute>
<ref name="qemucdevSrcDef"/>
+ <optional>
+ <ref name="address"/>
+ </optional>
</element>
</define>
<define name="hostdev">
diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index cce9955..706f445 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -5518,6 +5518,18 @@ virDomainRedirdevDefParseXML(const xmlNodePtr node,
def->source.chr.data.spicevmc = VIR_DOMAIN_CHR_SPICEVMC_USBREDIR;
}
+ if (virDomainDeviceInfoParseXML(node, &def->info, flags) < 0)
+ goto error;
+
+ if (def->bus == VIR_DOMAIN_REDIRDEV_BUS_USB &&
+ def->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_NONE &&
+ def->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_USB) {
+ virDomainReportError(VIR_ERR_XML_ERROR, "%s",
+ _("Invalid address for a USB device"));
+ goto error;
+ }
+
+
cleanup:
VIR_FREE(bus);
VIR_FREE(type);
@@ -10274,6 +10286,8 @@ virDomainRedirdevDefFormat(virBufferPtr buf,
virBufferAsprintf(buf, " <redirdev bus='%s'", bus);
if (virDomainChrSourceDefFormat(buf, &def->source.chr, false, flags) < 0)
return -1;
+ if (virDomainDeviceInfoFormat(buf, &def->info, flags) < 0)
+ return -1;
virBufferAddLit(buf, " </redirdev>\n");
return 0;
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-usb-redir.args
b/tests/qemuxml2argvdata/qemuxml2argv-usb-redir.args
index 4d4f30a..f6270d5 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-usb-redir.args
+++ b/tests/qemuxml2argvdata/qemuxml2argv-usb-redir.args
@@ -6,5 +6,5 @@ LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test
/usr/bin/qemu -S -M pc
-chardev socket,id=charredir0,host=localhost,port=4000 \
-device usb-redir,chardev=charredir0,id=redir0 \
-chardev spicevmc,id=charredir1,name=usbredir \
--device usb-redir,chardev=charredir1,id=redir1 \
+-device usb-redir,chardev=charredir1,id=redir1,bus=usb.0,port=4 \
-device virtio-balloon-pci,id=balloon0,bus=pci.0,multifunction=on,addr=0x3.0x0
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-usb-redir.xml
b/tests/qemuxml2argvdata/qemuxml2argv-usb-redir.xml
index c73e569..1dac3fb 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-usb-redir.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-usb-redir.xml
@@ -34,6 +34,7 @@
<protocol type='raw'/>
</redirdev>
<redirdev bus='usb' type='spicevmc'>
+ <address type='usb' bus='0' port='4'/>
</redirdev>
<memballoon model='virtio'/>
</devices>
--
1.7.6
--
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