diff options
| author | Jason Wang <jasowang@redhat.com> | 2016-07-06 09:57:55 +0800 |
|---|---|---|
| committer | Jason Wang <jasowang@redhat.com> | 2016-07-07 14:29:04 +0800 |
| commit | 69e87b32680a41d9761191443587c595b6f5fc3f (patch) | |
| tree | 683f9339d73eb1f1480672c2586e46deddbeab7e /include/hw/virtio/vhost.h | |
| parent | 91d35509903464c7f4b9ed56be223d7370d3597c (diff) | |
tap: vhost busy polling support
This patch add the capability of basic vhost net busy polling which is
supported by recent kernel. User could configure the maximum number of
us that could be spent on busy polling through a new property of tap
"poll-us".
Cc: Greg Kurz <groug@kaod.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Diffstat (limited to 'include/hw/virtio/vhost.h')
| -rw-r--r-- | include/hw/virtio/vhost.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/hw/virtio/vhost.h b/include/hw/virtio/vhost.h index b60d7585b4..2106ed8c0d 100644 --- a/include/hw/virtio/vhost.h +++ b/include/hw/virtio/vhost.h @@ -64,7 +64,8 @@ struct vhost_dev { }; int vhost_dev_init(struct vhost_dev *hdev, void *opaque, - VhostBackendType backend_type); + VhostBackendType backend_type, + uint32_t busyloop_timeout); void vhost_dev_cleanup(struct vhost_dev *hdev); int vhost_dev_start(struct vhost_dev *hdev, VirtIODevice *vdev); void vhost_dev_stop(struct vhost_dev *hdev, VirtIODevice *vdev); |