在 2019/1/25 20:29, Dennis Dalessandro 写道: > On 1/25/2019 3:30 AM, Lijun Ou wrote: >> From: chenglang <chenglang@xxxxxxxxxx> >> >> This patch modifies the minimum CQ depth specification of hip08 >> and is consistent with the processing of hip06. >> >> Signed-off-by: chenglang <chenglang@xxxxxxxxxx> >> --- >> drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 1 + >> 1 file changed, 1 insertion(+) >> >> diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c >> index 07f2e7a..c68d72c 100644 >> --- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c >> +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c >> @@ -1313,6 +1313,7 @@ static int hns_roce_v2_profile(struct hns_roce_dev *hr_dev) >> caps->max_wqes = HNS_ROCE_V2_MAX_WQE_NUM; >> caps->num_cqs = HNS_ROCE_V2_MAX_CQ_NUM; >> caps->num_srqs = HNS_ROCE_V2_MAX_SRQ_NUM; >> + caps->min_cqes = HNS_ROCE_MIN_CQE_NUM; >> caps->max_cqes = HNS_ROCE_V2_MAX_CQE_NUM; >> caps->max_srqwqes = HNS_ROCE_V2_MAX_SRQWQE_NUM; >> caps->max_sq_sg = HNS_ROCE_V2_MAX_SQ_SGE_NUM; >> > > So what is the impact of not having this set? > > -Denny > The driver will not fix the min cqes in hip08. > . >