eni_vdpa: implement vdpa_config_ops.get_vq_size

This commit implements get_vq_size which report
per vq size in vdpa_config_ops
Signed-off-by: Zhu Lingshan <lingshan.zhu@intel.com>
Message-Id: <20240202163905.8834-6-lingshan.zhu@intel.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

drivers/vdpa/alibaba/eni_vdpa.c

@@ -254,6 +254,13 @@ static u16 eni_vdpa_get_vq_num_min(struct vdpa_device *vdpa)
 	return vp_legacy_get_queue_size(ldev, 0);
 }
 
+static u16 eni_vdpa_get_vq_size(struct vdpa_device *vdpa, u16 qid)
+{
+	struct virtio_pci_legacy_device *ldev = vdpa_to_ldev(vdpa);
+
+	return vp_legacy_get_queue_size(ldev, qid);
+}
+
 static int eni_vdpa_get_vq_state(struct vdpa_device *vdpa, u16 qid,
 				struct vdpa_vq_state *state)
 {
@@ -416,6 +423,7 @@ static const struct vdpa_config_ops eni_vdpa_ops = {
 	.reset		= eni_vdpa_reset,
 	.get_vq_num_max	= eni_vdpa_get_vq_num_max,
 	.get_vq_num_min	= eni_vdpa_get_vq_num_min,
+	.get_vq_size	= eni_vdpa_get_vq_size,
 	.get_vq_state	= eni_vdpa_get_vq_state,
 	.set_vq_state	= eni_vdpa_set_vq_state,
 	.set_vq_cb	= eni_vdpa_set_vq_cb,