[libvirt] [PATCH 06/12] qemu_capabilities: detect whether iothread polling is supported
Signed-off-by: Pavel Hrdina <phrdina(a)redhat.com>
---
Patch [1] that is still waiting to be pushed into QEMU is required for
this feature.
[1] <http://lists.nongnu.org/archive/html/qemu-devel/2017-02/msg02192.html>
src/qemu/qemu_capabilities.c | 2 ++
src/qemu/qemu_capabilities.h | 1 +
tests/qemucapabilitiesdata/caps_2.9.0.x86_64.replies | 12 ++++++++++++
tests/qemucapabilitiesdata/caps_2.9.0.x86_64.xml | 1 +
4 files changed, 16 insertions(+)
diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c
index e851eec7a7..982893a6c8 100644
--- a/src/qemu/qemu_capabilities.c
+++ b/src/qemu/qemu_capabilities.c
@@ -358,6 +358,7 @@ VIR_ENUM_IMPL(virQEMUCaps, QEMU_CAPS_LAST,
"query-cpu-model-expansion", /* 245 */
"virtio-net.host_mtu",
"spice-rendernode",
+ "iothread.poll-max-ns",
);
@@ -1734,6 +1735,7 @@ static struct virQEMUCapsStringFlags
virQEMUCapsObjectPropsUSBNECXHCI[] = {
static struct virQEMUCapsStringFlags virQEMUCapsQMPSchemaQueries[] = {
{ "blockdev-add/arg-type/options/+gluster/debug-level",
QEMU_CAPS_GLUSTER_DEBUG_LEVEL},
{ "blockdev-add/arg-type/+gluster/debug", QEMU_CAPS_GLUSTER_DEBUG_LEVEL},
+ { "query-iothreads/ret-type/poll-max-ns", QEMU_CAPS_IOTHREAD_POLLING},
};
struct virQEMUCapsObjectTypeProps {
diff --git a/src/qemu/qemu_capabilities.h b/src/qemu/qemu_capabilities.h
index 0f998c473f..bdaccde307 100644
--- a/src/qemu/qemu_capabilities.h
+++ b/src/qemu/qemu_capabilities.h
@@ -394,6 +394,7 @@ typedef enum {
QEMU_CAPS_QUERY_CPU_MODEL_EXPANSION, /* qmp query-cpu-model-expansion */
QEMU_CAPS_VIRTIO_NET_HOST_MTU, /* virtio-net-*.host_mtu */
QEMU_CAPS_SPICE_RENDERNODE, /* -spice rendernode */
+ QEMU_CAPS_IOTHREAD_POLLING, /* -object iothread.poll-max-ns */
QEMU_CAPS_LAST /* this must always be the last item */
} virQEMUCapsFlags;
diff --git a/tests/qemucapabilitiesdata/caps_2.9.0.x86_64.replies
b/tests/qemucapabilitiesdata/caps_2.9.0.x86_64.replies
index fe9fe7d5b7..5ee2c61e4f 100644
--- a/tests/qemucapabilitiesdata/caps_2.9.0.x86_64.replies
+++ b/tests/qemucapabilitiesdata/caps_2.9.0.x86_64.replies
@@ -9211,6 +9211,18 @@
{
"name": "thread-id",
"type": "int"
+ },
+ {
+ "name": "poll-max-ns",
+ "type": "int"
+ },
+ {
+ "name": "poll-grow",
+ "type": "int"
+ },
+ {
+ "name": "poll-shrink",
+ "type": "int"
}
],
"meta-type": "object"
diff --git a/tests/qemucapabilitiesdata/caps_2.9.0.x86_64.xml
b/tests/qemucapabilitiesdata/caps_2.9.0.x86_64.xml
index dcdc0e6213..7089429866 100644
--- a/tests/qemucapabilitiesdata/caps_2.9.0.x86_64.xml
+++ b/tests/qemucapabilitiesdata/caps_2.9.0.x86_64.xml
@@ -202,6 +202,7 @@
<flag name='vhost-scsi'/>
<flag name='drive-iotune-group'/>
<flag name='virtio-net.host_mtu'/>
+ <flag name='iothread.poll-max-ns'/>
<version>2008050</version>
<kvmVersion>0</kvmVersion>
<package> (v2.8.0-1321-gad584d3)</package>
--
2.11.1