Function desc_is_avail

dpdk/lib/vhost/vhost.h:557–565

}

static inline bool
desc_is_avail(struct vring_packed_desc *desc, bool wrap_counter)
{
	uint16_t flags = rte_atomic_load_explicit((unsigned short __rte_atomic *)&desc->flags,
		rte_memory_order_acquire);

	return wrap_counter == !!(flags & VRING_DESC_F_AVAIL) &&
		wrap_counter != !!(flags & VRING_DESC_F_USED);
}

static inline void
vq_inc_last_used_packed(struct vhost_virtqueue *vq, uint16_t num)