Here moves the related lines of setting extend sge size into the separate function as well as removes the unused variables. Signed-off-by: Lijun Ou <oulijun@xxxxxxxxxx> --- drivers/infiniband/hw/hns/hns_roce_device.h | 2 - drivers/infiniband/hw/hns/hns_roce_qp.c | 61 ++++++++++++++++++----------- 2 files changed, 38 insertions(+), 25 deletions(-) diff --git a/drivers/infiniband/hw/hns/hns_roce_device.h b/drivers/infiniband/hw/hns/hns_roce_device.h index a548b28..b39497a 100644 --- a/drivers/infiniband/hw/hns/hns_roce_device.h +++ b/drivers/infiniband/hw/hns/hns_roce_device.h @@ -654,8 +654,6 @@ struct hns_roce_qp { u32 doorbell_qpn; __le32 sq_signal_bits; u32 sq_next_wqe; - int sq_max_wqes_per_wr; - int sq_spare_wqes; struct hns_roce_wq sq; struct ib_umem *umem; diff --git a/drivers/infiniband/hw/hns/hns_roce_qp.c b/drivers/infiniband/hw/hns/hns_roce_qp.c index c109602..d35033b 100644 --- a/drivers/infiniband/hw/hns/hns_roce_qp.c +++ b/drivers/infiniband/hw/hns/hns_roce_qp.c @@ -502,6 +502,35 @@ static int calc_wqe_bt_page_shift(struct hns_roce_dev *hr_dev, return bt_pg_shift - PAGE_SHIFT; } +static int set_extend_sge_param(struct hns_roce_dev *hr_dev, + struct hns_roce_qp *hr_qp) +{ + struct device *dev = hr_dev->dev; + + if (hr_qp->sq.max_gs > 2) { + hr_qp->sge.sge_cnt = roundup_pow_of_two(hr_qp->sq.wqe_cnt * + (hr_qp->sq.max_gs - 2)); + hr_qp->sge.sge_shift = 4; + } + + /* ud sqwqe's sge use extend sge */ + if (hr_dev->caps.max_sq_sg > 2 && hr_qp->ibqp.qp_type == IB_QPT_GSI) { + hr_qp->sge.sge_cnt = roundup_pow_of_two(hr_qp->sq.wqe_cnt * + hr_qp->sq.max_gs); + hr_qp->sge.sge_shift = 4; + } + + if ((hr_qp->sq.max_gs > 2) && hr_dev->pci_dev->revision == 0x20) { + if (hr_qp->sge.sge_cnt > hr_dev->caps.max_extend_sg) { + dev_err(dev, "The extended sge cnt error! sge_cnt=%d\n", + hr_qp->sge.sge_cnt); + return -EINVAL; + } + } + + return 0; +} + static int hns_roce_set_kernel_sq_size(struct hns_roce_dev *hr_dev, struct ib_qp_cap *cap, struct hns_roce_qp *hr_qp) @@ -510,6 +539,7 @@ static int hns_roce_set_kernel_sq_size(struct hns_roce_dev *hr_dev, u32 page_size; u32 max_cnt; int size; + int ret; if (cap->max_send_wr > hr_dev->caps.max_wqes || cap->max_send_sge > hr_dev->caps.max_sq_sg || @@ -519,8 +549,6 @@ static int hns_roce_set_kernel_sq_size(struct hns_roce_dev *hr_dev, } hr_qp->sq.wqe_shift = ilog2(hr_dev->caps.max_sq_desc_sz); - hr_qp->sq_max_wqes_per_wr = 1; - hr_qp->sq_spare_wqes = 0; if (hr_dev->caps.min_wqes) max_cnt = max(cap->max_send_wr, hr_dev->caps.min_wqes); @@ -540,25 +568,10 @@ static int hns_roce_set_kernel_sq_size(struct hns_roce_dev *hr_dev, else hr_qp->sq.max_gs = max_cnt; - if (hr_qp->sq.max_gs > 2) { - hr_qp->sge.sge_cnt = roundup_pow_of_two(hr_qp->sq.wqe_cnt * - (hr_qp->sq.max_gs - 2)); - hr_qp->sge.sge_shift = 4; - } - - /* ud sqwqe's sge use extend sge */ - if (hr_dev->caps.max_sq_sg > 2 && hr_qp->ibqp.qp_type == IB_QPT_GSI) { - hr_qp->sge.sge_cnt = roundup_pow_of_two(hr_qp->sq.wqe_cnt * - hr_qp->sq.max_gs); - hr_qp->sge.sge_shift = 4; - } - - if ((hr_qp->sq.max_gs > 2) && hr_dev->pci_dev->revision == 0x20) { - if (hr_qp->sge.sge_cnt > hr_dev->caps.max_extend_sg) { - dev_err(dev, "The extended sge cnt error! sge_cnt=%d\n", - hr_qp->sge.sge_cnt); - return -EINVAL; - } + ret = set_extend_sge_param(hr_dev, hr_qp); + if (ret) { + dev_err(dev, "set extend sge parameters fail\n"); + return ret; } /* Get buf size, SQ and RQ are aligned to PAGE_SIZE */ @@ -943,11 +956,13 @@ static int hns_roce_create_qp_common(struct hns_roce_dev *hr_dev, hns_roce_free_db(hr_dev, &hr_qp->rdb); err_rq_sge_list: - if (hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_RQ_INLINE) + if ((hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_RQ_INLINE) && + hns_roce_qp_has_rq(init_attr)) kfree(hr_qp->rq_inl_buf.wqe_list[0].sg_list); err_wqe_list: - if (hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_RQ_INLINE) + if ((hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_RQ_INLINE) && + hns_roce_qp_has_rq(init_attr)) kfree(hr_qp->rq_inl_buf.wqe_list); err_out: -- 1.9.1