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-rw-r--r--hw/virtio/vhost-shadow-virtqueue.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/hw/virtio/vhost-shadow-virtqueue.h b/hw/virtio/vhost-shadow-virtqueue.h
index 926a4897b1..6efe051a70 100644
--- a/hw/virtio/vhost-shadow-virtqueue.h
+++ b/hw/virtio/vhost-shadow-virtqueue.h
@@ -107,6 +107,9 @@ typedef struct VhostShadowVirtqueue {
 
     /* Next head to consume from the device */
     uint16_t last_used_idx;
+
+    /* Size of SVQ vring free descriptors */
+    uint16_t num_free;
 } VhostShadowVirtqueue;
 
 bool vhost_svq_valid_features(uint64_t features, Error **errp);