Vhost is a kernel-level backend for virtio. This patch add a nic_params named
"vhost" to enable/disable vhost backend.
Signed-off-by: Jason Wang <jasowang@xxxxxxxxxx>
---
client/tests/kvm/kvm_vm.py | 7 +++++--
client/tests/kvm/tests_base.cfg.sample | 2 ++
2 files changed, 7 insertions(+), 2 deletions(-)
diff --git a/client/tests/kvm/kvm_vm.py b/client/tests/kvm/kvm_vm.py
index 644903b..f448684 100755
--- a/client/tests/kvm/kvm_vm.py
+++ b/client/tests/kvm/kvm_vm.py
@@ -258,9 +258,11 @@ class VM:
def add_net(help, vlan, mode, ifname=None, script=None,
downscript=None, tftp=None, bootfile=None, hostfwd=[],
- netdev_id=None):
+ netdev_id=None, vhost=False):
if has_option(help, "netdev"):
cmd = " -netdev %s,id=%s" % (mode, netdev_id)
+ if vhost:
+ cmd +=",vhost=on"
else:
cmd = " -net %s,vlan=%d" % (mode, vlan)
if mode == "tap":
@@ -417,7 +419,8 @@ class VM:
nic_params.get("nic_ifname"),
script, downscript, tftp,
nic_params.get("bootp"), redirs,
- self.netdev_id[vlan])
+ self.netdev_id[vlan],
+ nic_params.get("vhost")=="yes")
# Proceed to next NIC
vlan += 1
diff --git a/client/tests/kvm/tests_base.cfg.sample b/client/tests/kvm/tests_base.cfg.sample
index 89e6f45..14e85af 100644
--- a/client/tests/kvm/tests_base.cfg.sample
+++ b/client/tests/kvm/tests_base.cfg.sample
@@ -620,6 +620,8 @@ variants:
nic_model = virtio
# you can add advanced attributes here
# nic_extra_params =
+ # you can uncomment the following line to enable vhost-net backend
+ # vhost = yes
# Guests
--
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