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>

diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
index b2513bd..ee2d832 100644 (file)
--- 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 ea14225..3d9114e 100644 (file)
--- 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;