[dpdk-dev] [PATCH] vhost: add event areas to vq_is_ready()

[Adrian Moreno]

Consider a virtqueue ready when, apart from the the descriptor area,
both event supression areas have been mapped.

Fixes: 2d1541e2b6b3 ("vhost: add vring address setup for packed queues")
Cc: y...@fridaylinux.org
Cc: sta...@dpdk.org

Signed-off-by: Adrian Moreno <amore...@redhat.com>
---
 lib/librte_vhost/vhost_user.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/librte_vhost/vhost_user.c b/lib/librte_vhost/vhost_user.c
index 69b84a882..c9cc4d648 100644
--- a/lib/librte_vhost/vhost_user.c
+++ b/lib/librte_vhost/vhost_user.c
@@ -1298,7 +1298,8 @@ vq_is_ready(struct virtio_net *dev, struct 
vhost_virtqueue *vq)
                return false;
 
        if (vq_is_packed(dev))
-               rings_ok = !!vq->desc_packed;
+               rings_ok = vq->desc_packed && vq->driver_event &&
+                       vq->device_event;
        else
                rings_ok = vq->desc && vq->avail && vq->used;
 
-- 
2.21.1