From: Weihang Li <liweihang@huawei.com>
To: <jgg@nvidia.com>, <leon@kernel.org>
Cc: <linux-rdma@vger.kernel.org>, <linuxarm@huawei.com>
Subject: [PATCH rdma-core 0/4] libhns: Add support for direct WQE
Date: Fri, 28 May 2021 17:32:55 +0800 [thread overview]
Message-ID: <1622194379-59868-1-git-send-email-liweihang@huawei.com> (raw)
Direct wqe is a mechanism to fill wqe directly into the hardware. In the
case of light load, the wqe will be filled into pcie bar space of the
hardware, this will reduce one memory access operation and therefore
reduce the latency.
This series first refactor current uar mmap process to add branch for
direct wqe, then fix an issue on interface to write doorbell, the feature
is enabled at last.
The kernel parts is named "RDMA/hns: Add support for userspace Direct WQE".
Lang Cheng (1):
libhns: Fixes data type when writing doorbell
Weihang Li (1):
Update kernel headers
Xi Wang (1):
libhns: Refactor hns uar mmap flow
Yixing Liu (1):
libhns: Add support for direct wqe
kernel-headers/rdma/hns-abi.h | 6 +++
providers/hns/hns_roce_u.c | 76 ++++++++++++++++++++++++--------------
providers/hns/hns_roce_u.h | 19 +++++++++-
providers/hns/hns_roce_u_db.h | 13 ++-----
providers/hns/hns_roce_u_hw_v1.c | 17 +++++----
providers/hns/hns_roce_u_hw_v2.c | 80 ++++++++++++++++++++++++++++++++--------
providers/hns/hns_roce_u_hw_v2.h | 29 ++++++++-------
providers/hns/hns_roce_u_verbs.c | 39 ++++++++++++++++++++
8 files changed, 204 insertions(+), 75 deletions(-)
--
2.7.4
next reply other threads:[~2021-05-28 9:33 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-28 9:32 Weihang Li [this message]
2021-05-28 9:32 ` [PATCH rdma-core 1/4] Update kernel headers Weihang Li
2021-05-28 9:32 ` [PATCH rdma-core 2/4] libhns: Refactor hns uar mmap flow Weihang Li
2021-05-28 9:32 ` [PATCH rdma-core 3/4] libhns: Fixes data type when writing doorbell Weihang Li
2021-06-04 14:43 ` Jason Gunthorpe
2021-06-09 3:35 ` liweihang
2021-05-28 9:32 ` [PATCH rdma-core 4/4] libhns: Add support for direct wqe Weihang Li
2021-06-04 14:50 ` Jason Gunthorpe
2021-06-11 9:20 ` liweihang
2021-06-11 11:31 ` Jason Gunthorpe
2021-06-16 9:55 ` liweihang
2021-06-16 19:14 ` Jason Gunthorpe
2021-06-18 7:23 ` liweihang
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