#define RTE_VHOST_USER_CLIENT (1ULL << 0)
#define RTE_VHOST_USER_NO_RECONNECT (1ULL << 1)
#define RTE_VHOST_USER_DEQUEUE_ZERO_COPY (1ULL << 2)
+#define RTE_VHOST_USER_IOMMU_SUPPORT (1ULL << 3)
/**
* Information relating to memory regions including offsets to