diff options
| author | oulijun <oulijun@huawei.com> | 2017-11-10 11:55:45 +0300 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2017-11-10 20:30:10 +0300 |
| commit | 651487c229d5fe7c6d65acbfb061089d8c899729 (patch) | |
| tree | 92752c1862377a0381ce89671a9e441cfcc98e04 /drivers/infiniband | |
| parent | e92f2c182bcfdda4f05fd8ebf269c0b5bfe18e7d (diff) | |
| download | linux-651487c229d5fe7c6d65acbfb061089d8c899729.tar.xz | |
RDMA/hns: Configure fence attribute in hip08 RoCE
When post wr for mixed rdma operation, we need to use fence
mechanism to keep the correct execute order.
Signed-off-by: Lijun Ou <oulijun@huawei.com>
Signed-off-by: Wei Hu (Xavier) <xavier.huwei@huawei.com>
Signed-off-by: Shaobo Xu <xushaobo2@huawei.com>
Signed-off-by: Yixian Liu <liuyixian@huawei.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband')
| -rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 4 |
1 files changed, 3 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 8ed81644e022..049a0dfd207e 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c @@ -104,7 +104,6 @@ static int hns_roce_v2_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, qp->sq.wrid[(qp->sq.head + nreq) & (qp->sq.wqe_cnt - 1)] = wr->wr_id; - rc_sq_wqe = wqe; memset(rc_sq_wqe, 0, sizeof(*rc_sq_wqe)); for (i = 0; i < wr->num_sge; i++) @@ -112,6 +111,9 @@ static int hns_roce_v2_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, rc_sq_wqe->inv_key_immtdata = send_ieth(wr); + roce_set_bit(rc_sq_wqe->byte_4, V2_RC_SEND_WQE_BYTE_4_FENCE_S, + (wr->send_flags & IB_SEND_FENCE) ? 1 : 0); + switch (wr->opcode) { case IB_WR_RDMA_READ: roce_set_field(rc_sq_wqe->byte_4, |