diff options
| author | Luoyouming <luoyouming@huawei.com> | 2022-12-24 18:22:01 +0800 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@nvidia.com> | 2023-01-09 10:45:28 -0400 |
| commit | 1d91855304c2046115ee10be2c93161d93d5d40d (patch) | |
| tree | c3fdc3b51660699268844746d768357659146c3e /drivers/infiniband/hw/hns/hns_roce_hw_v2.c | |
| parent | 2bb185c68bf4c147f43d932e8a34fa150d148940 (diff) | |
RDMA/hns: Support cqe inline in user space
Enable the CQEIE field and configure the CQEIS field of QPC. And add
compatibility handling.
Link: https://lore.kernel.org/r/20221224102201.3114536-4-xuhaoyue1@hisilicon.com
Signed-off-by: Luoyouming <luoyouming@huawei.com>
Signed-off-by: Haoyue Xu <xuhaoyue1@hisilicon.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers/infiniband/hw/hns/hns_roce_hw_v2.c')
| -rw-r--r-- | drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c index c0b487bcd349..dbf97fe5948f 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c @@ -4704,6 +4704,18 @@ static int modify_qp_init_to_rtr(struct ib_qp *ibqp, hr_reg_clear(qpc_mask, QPC_RQIE); } + if (udata && + (ibqp->qp_type == IB_QPT_RC || ibqp->qp_type == IB_QPT_XRC_TGT) && + (uctx->config & HNS_ROCE_CQE_INLINE_FLAGS)) { + hr_reg_write_bool(context, QPC_CQEIE, + hr_dev->caps.flags & + HNS_ROCE_CAP_FLAG_CQE_INLINE); + hr_reg_clear(qpc_mask, QPC_CQEIE); + + hr_reg_write(context, QPC_CQEIS, 0); + hr_reg_clear(qpc_mask, QPC_CQEIS); + } + return 0; } |