{
u32 roundup_sq_stride = roundup_pow_of_two(hr_dev->caps.max_sq_desc_sz);
u8 max_sq_stride = ilog2(roundup_sq_stride);
+ u32 ex_sge_num;
u32 page_size;
u32 max_cnt;
}
hr_qp->sge.sge_shift = 4;
+ ex_sge_num = hr_qp->sge.sge_cnt;
/* Get buf size, SQ and RQ are aligned to page_szie */
if (hr_dev->caps.max_sq_sg <= 2) {
hr_qp->sq.wqe_shift), PAGE_SIZE);
} else {
page_size = 1 << (hr_dev->caps.mtt_buf_pg_sz + PAGE_SHIFT);
+ hr_qp->sge.sge_cnt =
+ max(page_size / (1 << hr_qp->sge.sge_shift), ex_sge_num);
hr_qp->buff_size = HNS_ROCE_ALOGN_UP((hr_qp->rq.wqe_cnt <<
hr_qp->rq.wqe_shift), page_size) +
HNS_ROCE_ALOGN_UP((hr_qp->sge.sge_cnt <<
hr_qp->sq.wqe_shift), page_size);
hr_qp->sq.offset = 0;
- if (hr_qp->sge.sge_cnt) {
+ if (ex_sge_num) {
hr_qp->sge.offset = HNS_ROCE_ALOGN_UP(
(hr_qp->sq.wqe_cnt <<
hr_qp->sq.wqe_shift),
page_size);
if (hr_dev->caps.max_sq_sg > 2 && hr_qp->sge.sge_cnt) {
+ hr_qp->sge.sge_cnt = max(page_size/(1 << hr_qp->sge.sge_shift),
+ (u32)hr_qp->sge.sge_cnt);
hr_qp->sge.offset = size;
size += HNS_ROCE_ALOGN_UP(hr_qp->sge.sge_cnt <<
hr_qp->sge.sge_shift, page_size);