在 2021/10/30 上午2:35, Eugenio Pérez 写道:
+/**
+ * Enable or disable shadow virtqueue in a vhost vdpa device.
+ *
+ * This function is idempotent, to call it many times with the same value for
+ * enable_svq will simply return success.
+ *
+ * @v Vhost vdpa device
+ * @enable True to set SVQ mode
+ * @errp Error pointer
+ */
+void vhost_vdpa_enable_svq(struct vhost_vdpa *v, bool enable, Error **errp)
+{
What happens if vhost_vpda is not stated when we try to enable svq?
Another note is that, the vhost device could be stopped and started
after svq is enabled/disabled. We need to deal with them.
Thanks
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