[libvirt] [PATCH v2 1/1] qemu: monitor: Add memory balloon support for virtio-ccw
The search for the memory balloon driver object is extended by a
second known name "virtio-balloon-ccw" in support for virtio-ccw.
Signed-off-by: Boris Fiuczynski <fiuczy(a)linux.vnet.ibm.com>
Reviewed-by: Daniel Hansel <daniel.hansel(a)linux.vnet.ibm.com>
Reviewed-by: Eric Farman <farman(a)linux.vnet.ibm.com>
Reviewed-by: Stefan Zimmermann <stzi(a)linux.vnet.ibm.com>
---
src/qemu/qemu_monitor.c | 15 +++++++++++----
1 file changed, 11 insertions(+), 4 deletions(-)
diff --git a/src/qemu/qemu_monitor.c b/src/qemu/qemu_monitor.c
index 33600f0..6f2f4a9 100644
--- a/src/qemu/qemu_monitor.c
+++ b/src/qemu/qemu_monitor.c
@@ -1069,9 +1069,9 @@ qemuMonitorSetOptions(qemuMonitorPtr mon, virJSONValuePtr options)
/**
- * Search the qom objects for the balloon driver object by it's known name
- * of "virtio-balloon-pci". The entry for the driver will be found by using
- * function "qemuMonitorFindObjectPath".
+ * Search the qom objects for the balloon driver object by its known names
+ * of "virtio-balloon-pci" or "virtio-balloon-ccw". The entry for the
driver
+ * will be found by using function "qemuMonitorJSONFindLinkPath".
*
* Once found, check the entry to ensure it has the correct property listed.
* If it does not, then obtaining statistics from QEMU will not be possible.
@@ -1081,6 +1081,7 @@ static void
qemuMonitorInitBalloonObjectPath(qemuMonitorPtr mon)
{
ssize_t i, nprops = 0;
+ int flp_ret = 0;
char *path = NULL;
qemuMonitorJSONListPathPtr *bprops = NULL;
@@ -1093,8 +1094,14 @@ qemuMonitorInitBalloonObjectPath(qemuMonitorPtr mon)
}
mon->ballooninit = true;
- if (qemuMonitorJSONFindLinkPath(mon, "virtio-balloon-pci", &path) <
0)
+ flp_ret = qemuMonitorJSONFindLinkPath(mon, "virtio-balloon-pci",
&path);
+ if (flp_ret == -2) {
+ /* pci object was not found retry search for ccw object */
+ if (qemuMonitorJSONFindLinkPath(mon, "virtio-balloon-ccw", &path)
< 0)
+ return;
+ } else if (flp_ret < 0) {
return;
+ }
nprops = qemuMonitorJSONGetObjectListPaths(mon, path, &bprops);
if (nprops < 0)
--
2.3.0