mana_gd_wq_avail_space
if (wq->monitor_avl_buf && wqe_size > mana_gd_wq_avail_space(wq))
return mana_gd_wq_avail_space(wq) >= MAX_TX_WQE_SIZE;
avail_space = mana_gd_wq_avail_space(gdma_wq);
u32 mana_gd_wq_avail_space(struct gdma_queue *wq);