KWQ_PAGE_CNT
ret = cnic_alloc_dma(dev, &cp->kwq_info, KWQ_PAGE_CNT, 1);
val = ((CNIC_PAGE_SIZE / sizeof(struct kwqe)) << 16) | KWQ_PAGE_CNT;
#define MAX_KWQ_IDX ((KWQ_PAGE_CNT * KWQE_CNT) - 1)