diff options
| author | oulijun <oulijun@huawei.com> | 2017-11-10 16:55:48 +0800 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2017-11-10 12:31:25 -0500 |
| commit | befb63b43df535917cd73e961e701d0b157b92d0 (patch) | |
| tree | 889033070f080b7655f4cf7011e8c9f9e0cc8f64 /drivers/infiniband/hw/hns | |
| parent | a49d761fc10ee64f1d97aba0b4b6244854d288bc (diff) | |
| download | linux-rt-befb63b43df535917cd73e961e701d0b157b92d0.tar.gz | |
RDMA/hns: Set sq_cur_sge_blk_addr field in QPC in hip08
If the extend sges exist, the sq_cur_sge_blk_addr field in QPC
(qp context) should be configured.
Signed-off-by: Lijun Ou <oulijun@huawei.com>
Signed-off-by: Shaobo Xu <xushaobo2@huawei.com>
Signed-off-by: Wei Hu (Xavier) <xavier.huwei@huawei.com>
Signed-off-by: Yixian Liu <liuyixian@huawei.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/hw/hns')
| -rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 16 | ||||
| -rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_hw_v2.h | 2 |
2 files changed, 17 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c index b2513bda3786..ee2d832c53c2 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c @@ -2566,6 +2566,7 @@ static int modify_qp_rtr_to_rts(struct ib_qp *ibqp, struct hns_roce_qp *hr_qp = to_hr_qp(ibqp); struct device *dev = hr_dev->dev; dma_addr_t dma_handle; + u32 page_size; u64 *mtts; /* Search qp buf's mtts */ @@ -2608,6 +2609,21 @@ static int modify_qp_rtr_to_rts(struct ib_qp *ibqp, V2_QPC_BYTE_168_SQ_CUR_BLK_ADDR_M, V2_QPC_BYTE_168_SQ_CUR_BLK_ADDR_S, 0); + page_size = 1 << (hr_dev->caps.mtt_buf_pg_sz + PAGE_SHIFT); + context->sq_cur_sge_blk_addr = hr_qp->sq.max_gs > 2 ? + ((u32)(mtts[hr_qp->sge.offset / page_size] + >> PAGE_ADDR_SHIFT)) : 0; + roce_set_field(context->byte_184_irrl_idx, + V2_QPC_BYTE_184_SQ_CUR_SGE_BLK_ADDR_M, + V2_QPC_BYTE_184_SQ_CUR_SGE_BLK_ADDR_S, + hr_qp->sq.max_gs > 2 ? + (mtts[hr_qp->sge.offset / page_size] >> + (32 + PAGE_ADDR_SHIFT)) : 0); + qpc_mask->sq_cur_sge_blk_addr = 0; + roce_set_field(qpc_mask->byte_184_irrl_idx, + V2_QPC_BYTE_184_SQ_CUR_SGE_BLK_ADDR_M, + V2_QPC_BYTE_184_SQ_CUR_SGE_BLK_ADDR_S, 0); + context->rx_sq_cur_blk_addr = (u32)(mtts[0] >> PAGE_ADDR_SHIFT); roce_set_field(context->byte_232_irrl_sge, V2_QPC_BYTE_232_RX_SQ_CUR_BLK_ADDR_M, diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.h b/drivers/infiniband/hw/hns/hns_roce_hw_v2.h index ea142253d8f8..3d9114ee0154 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.h +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.h @@ -353,7 +353,7 @@ struct hns_roce_v2_qp_context { u32 byte_168_irrl_idx; u32 byte_172_sq_psn; u32 byte_176_msg_pktn; - u32 sq_cur_sqe_blk_addr; + u32 sq_cur_sge_blk_addr; u32 byte_184_irrl_idx; u32 cur_sge_offset; u32 byte_192_ext_sge; |