diff options
| author | Si-Wei Liu <si-wei.liu@oracle.com> | 2024-02-14 03:28:01 -0800 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2024-03-12 17:56:55 -0400 |
| commit | db4cba36a7356f5e94e97735af8c578c55838386 (patch) | |
| tree | f22ef599ddd55561d16a438be0622c1f28019d64 | |
| parent | bb000fff0a1d9774444c431e0831550e99e159ce (diff) | |
vdpa: indicate transitional state for SVQ switching
svq_switching indicates the transitional state whether
or not SVQ mode switching is in progress, and towards
which direction. Add the neccessary state around where
the switching would take place.
Message-Id: <1707910082-10243-12-git-send-email-si-wei.liu@oracle.com>
Signed-off-by: Si-Wei Liu <si-wei.liu@oracle.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
| -rw-r--r-- | net/vhost-vdpa.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/net/vhost-vdpa.c b/net/vhost-vdpa.c index 2254859dec..5f06c39f63 100644 --- a/net/vhost-vdpa.c +++ b/net/vhost-vdpa.c @@ -324,6 +324,8 @@ static void vhost_vdpa_net_log_global_enable(VhostVDPAState *s, bool enable) data_queue_pairs = n->multiqueue ? n->max_queue_pairs : 1; cvq = virtio_vdev_has_feature(vdev, VIRTIO_NET_F_CTRL_VQ) ? n->max_ncs - n->max_queue_pairs : 0; + v->shared->svq_switching = enable ? + SVQ_TSTATE_ENABLING : SVQ_TSTATE_DISABLING; /* * TODO: vhost_net_stop does suspend, get_base and reset. We can be smarter * in the future and resume the device if read-only operations between @@ -336,6 +338,7 @@ static void vhost_vdpa_net_log_global_enable(VhostVDPAState *s, bool enable) if (unlikely(r < 0)) { error_report("unable to start vhost net: %s(%d)", g_strerror(-r), -r); } + v->shared->svq_switching = SVQ_TSTATE_DONE; } static int vdpa_net_migration_state_notifier(NotifierWithReturn *notifier, |