This patch series mainly adds a mix multihop addressing for support the 32K specification of send wqe from UM. It adds the MTR (memory translate region) design for unified management of MTT (memory translate table). The MTT design requires that the hopnum of the address space must be the same and cannot meet the requirements of the current max hopnum of the hip08. The hopnum of sqwqe up to 3 level and the extend sge up to 1 level. As a result, we add an MTR based on mtt to solve this problem. The MTR allows a contiguous address space to use different hopnums, so that the driver supports the mixed hop feature in UM. Change from V4: 1. Remove the unnecessary mb(). Change from V3: 1. Remove the simple wrapper around kernel functions from Leon Romanovsky's reviews. Change from V2: 1. Remove building error. Change from V1: 1. Use new API named rdma_for_each_block instead of for_each_sg from Jason Gunthorpe's reviews. Lijun Ou (3): RDMA/hns: Add mtr support for mixed multihop addressing RDMA/hns: Add a group interfaces for optimizing buffers getting flow RDMA/hns: Fix bug when wqe num is larger than 16K drivers/infiniband/hw/hns/hns_roce_alloc.c | 99 ++++++ drivers/infiniband/hw/hns/hns_roce_device.h | 59 ++++ drivers/infiniband/hw/hns/hns_roce_hem.c | 460 ++++++++++++++++++++++++++++ drivers/infiniband/hw/hns/hns_roce_hem.h | 14 + drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 118 ++++--- drivers/infiniband/hw/hns/hns_roce_mr.c | 118 +++++++ drivers/infiniband/hw/hns/hns_roce_qp.c | 189 +++++++++--- 7 files changed, 974 insertions(+), 83 deletions(-) -- 1.9.1
