[libvirt] [PATCH] Fix auto-adding of virtio serial controllers
Daniel P. Berrange
berrange at redhat.com
Thu Jun 3 12:54:59 UTC 2010
The domain parsing code would auto-add a virtio serial controller
if it saw any virtio serial channel defined. Unfortunately it
always added a controller with index=0, even if the channel address
specified an index != 0. It only added one controller, even if
multiple controllers were referenced by channels. Finally, it let
the ports+vectors parameters initialize to zero instead of -1, which
prevented the controllers accepting any ports.
* src/conf/domain_conf.c: Initialize ports+vectors when adding
virtio serial controllers. Add all neccessary virtio serial
controllers, instead of hardcoding controller 0
* qemuxml2argvdata/qemuxml2argv-channel-virtio.args,
qemuxml2argvdata/qemuxml2argv-channel-virtio.xml: Expand to
test controller auto-add behaviour
---
src/conf/domain_conf.c | 19 ++++++++++++++++---
.../qemuxml2argv-channel-virtio.args | 2 +-
.../qemuxml2argv-channel-virtio.xml | 4 ++++
3 files changed, 21 insertions(+), 4 deletions(-)
diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index a9b01d5..64b5cf3 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -4385,6 +4385,10 @@ static virDomainDefPtr virDomainDefParseXML(virCapsPtr caps,
def->channels[def->nchannels++] = chr;
+ if (chr->targetType == VIR_DOMAIN_CHR_TARGET_TYPE_VIRTIO &&
+ chr->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_NONE)
+ chr->info.type = VIR_DOMAIN_DEVICE_ADDRESS_TYPE_VIRTIO_SERIAL;
+
if (chr->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_VIRTIO_SERIAL &&
chr->info.addr.vioserial.port == 0) {
int maxport = -1;
@@ -4797,6 +4801,12 @@ static int virDomainDefMaybeAddController(virDomainDefPtr def,
cont->type = type;
cont->idx = idx;
+ if (cont->type == VIR_DOMAIN_CONTROLLER_TYPE_VIRTIO_SERIAL) {
+ cont->opts.vioserial.ports = -1;
+ cont->opts.vioserial.vectors = -1;
+ }
+
+
if (VIR_REALLOC_N(def->controllers, def->ncontrollers+1) < 0) {
VIR_FREE(cont);
virReportOOMError();
@@ -4839,15 +4849,18 @@ static int virDomainDefMaybeAddVirtioSerialController(virDomainDefPtr def)
{
/* Look for any virtio serial device */
int i;
+
for (i = 0 ; i < def->nchannels ; i++) {
virDomainChrDefPtr channel = def->channels[i];
if (channel->targetType == VIR_DOMAIN_CHR_TARGET_TYPE_VIRTIO) {
- /* Try to add a virtio serial controller with index 0 */
+ int idx = 0;
+ if (channel->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_VIRTIO_SERIAL)
+ idx = channel->info.addr.vioserial.controller;
+
if (virDomainDefMaybeAddController(def,
- VIR_DOMAIN_CONTROLLER_TYPE_VIRTIO_SERIAL, 0) < 0)
+ VIR_DOMAIN_CONTROLLER_TYPE_VIRTIO_SERIAL, idx) < 0)
return -1;
- break;
}
}
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-channel-virtio.args b/tests/qemuxml2argvdata/qemuxml2argv-channel-virtio.args
index 8e5fbe2..e59d944 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-channel-virtio.args
+++ b/tests/qemuxml2argvdata/qemuxml2argv-channel-virtio.args
@@ -1 +1 @@
-LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test /usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -nodefaults -monitor unix:/tmp/test-monitor,server,nowait -no-acpi -boot c -device virtio-serial-pci,id=virtio-serial0,max_ports=16,vectors=4,bus=pci.0,addr=0x4 -device virtio-serial-pci,id=virtio-serial1,bus=pci.0,addr=0xa -hda /dev/HostVG/QEMUGuest1 -chardev pty,id=channel0 -device virtserialport,chardev=channel0,name=org.linux-kvm.port.0 -chardev pty,id=channel1 -device virtserialport,bus=virtio-serial1.0,nr=0,chardev=channel1,name=org.linux-kvm.port.foo -chardev pty,id=channel2 -device virtserialport,bus=virtio-serial1.0,nr=3,chardev=channel2,name=org.linux-kvm.port.bar -chardev pty,id=channel3 -device virtserialport,bus=virtio-serial0.0,nr=0,chardev=channel3,name=org.linux-kvm.port.wizz -chardev pty,id=channel4 -device virtserialport,bus=virtio-serial1.0,nr=4,chardev=channel4,name=org.linux-kvm.port.ooh -usb -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3
+LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test /usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -nodefaults -monitor unix:/tmp/test-monitor,server,nowait -no-acpi -boot c -device virtio-serial-pci,id=virtio-serial0,max_ports=16,vectors=4,bus=pci.0,addr=0x4 -device virtio-serial-pci,id=virtio-serial1,bus=pci.0,addr=0xa -device virtio-serial-pci,id=virtio-serial2,bus=pci.0,addr=0x5 -hda /dev/HostVG/QEMUGuest1 -chardev pty,id=channel0 -device virtserialport,bus=virtio-serial0.0,nr=0,chardev=channel0,name=org.linux-kvm.port.0 -chardev pty,id=channel1 -device virtserialport,bus=virtio-serial1.0,nr=0,chardev=channel1,name=org.linux-kvm.port.foo -chardev pty,id=channel2 -device virtserialport,bus=virtio-serial1.0,nr=3,chardev=channel2,name=org.linux-kvm.port.bar -chardev pty,id=channel3 -device virtserialport,bus=virtio-serial0.0,nr=1,chardev=channel3,name=org.linux-kvm.port.wizz -chardev pty,id=channel4 -device virtserialport,bus=virtio-serial1.0,nr=4,chardev=channel4,name=org.linux-kvm.port.ooh -chardev pty,id=channel5 -device virtserialport,bus=virtio-serial2.0,nr=0,chardev=channel5,name=org.linux-kvm.port.lla -usb -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-channel-virtio.xml b/tests/qemuxml2argvdata/qemuxml2argv-channel-virtio.xml
index 04a3e1c..6e3458f 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-channel-virtio.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-channel-virtio.xml
@@ -43,5 +43,9 @@
<target type='virtio' name='org.linux-kvm.port.ooh'/>
<address type='virtio-serial' controller='1' bus='0'/>
</channel>
+ <channel type='pty'>
+ <target type='virtio' name='org.linux-kvm.port.lla'/>
+ <address type='virtio-serial' controller='2' bus='0'/>
+ </channel>
</devices>
</domain>
--
1.6.6.1
--
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