Allow ccw devices to be used with multiqueues.
Signed-off-by: Boris Fiuczynski <[email protected]>
Reviewed-by: Matthew Rosato <[email protected]>
Reviewed-by: Daniel Hansel <[email protected]>
Reviewed-by: Cornelia Huck <[email protected] Huck
<[email protected]>>
---
src/qemu/qemu_command.c | 10 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)
diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index 2137985..0205831 100644
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -5062,9 +5062,13 @@ qemuBuildNicDevStr(virDomainDefPtr def,
}
}
if (usingVirtio && vhostfdSize > 1) {
- /* As advised at http://www.linux-kvm.org/page/Multiqueue
- * we should add vectors=2*N+2 where N is the vhostfdSize */
- virBufferAsprintf(&buf, ",mq=on,vectors=%zu", 2 * vhostfdSize + 2);
+ if (net->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_CCW) {
+ virBufferAsprintf(&buf, ",mq=on");
+ } else {
+ /* As advised at http://www.linux-kvm.org/page/Multiqueue
+ * we should add vectors=2*N+2 where N is the vhostfdSize */
+ virBufferAsprintf(&buf, ",mq=on,vectors=%zu", 2 * vhostfdSize + 2);
+ }
}
if (vlan == -1)
virBufferAsprintf(&buf, ",netdev=host%s", net->info.alias);
--
2.3.0
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