qed_chain_get_cons_idx_u32
cq->cq_cons = qed_chain_get_cons_idx_u32(&cq->pbl);
old_cons = qed_chain_get_cons_idx_u32(&cq->pbl);
new_cons = qed_chain_get_cons_idx_u32(&cq->pbl);
u64 cons = qed_chain_get_cons_idx_u32(chain);