irdma_uk_cq_empty
if (IRDMA_RING_CURRENT_HEAD(cq->cq_ring) & 0x3F || irdma_uk_cq_empty(cq))
bool irdma_uk_cq_empty(struct irdma_cq_uk *cq);
(!irdma_uk_cq_empty(&iwcq->sc_cq.cq_uk) || !list_empty(&iwcq->cmpl_generated)))