| From: |
| Cheng Xu <chengyou-AT-linux.alibaba.com> |
| To: |
| jgg-AT-ziepe.ca, leon-AT-kernel.org |
| Subject: |
| [PATCH for-next 0/3] RDMA/erdma: Add hierachical MTT support |
| Date: |
| Thu, 17 Aug 2023 18:21:48 +0800 |
| Message-ID: |
| <20230817102151.75964-1-chengyou@linux.alibaba.com> |
| Cc: |
| linux-rdma-AT-vger.kernel.org, KaiShen-AT-linux.alibaba.com |
| Archive-link: |
| Article |
Currently, erdma only supports 0-level or 1-level MTT, which limits the
maximum length of MR. It fails to meet the requirements in some scenarios.
Therefore, we implement hierachical MTT to support 2-level and 3-level
MTT, so that users can register MRs large to 64G to erdma devices.
- #1 ~ #2 make some preparations, such as renaming certain variables and
refactoring the storage structure of MTT.
- #3 implements the hierachical MTT.
Cheng Xu (3):
RDMA/erdma: Renaming variable names and field names of struct
erdma_mem
RDMA/erdma: Refactor the storage structure of MTT entries
RDMA/erdma: Implement hierachical MTT
drivers/infiniband/hw/erdma/erdma_hw.h | 18 +-
drivers/infiniband/hw/erdma/erdma_qp.c | 2 +-
drivers/infiniband/hw/erdma/erdma_verbs.c | 430 ++++++++++++++++------
drivers/infiniband/hw/erdma/erdma_verbs.h | 36 +-
4 files changed, 357 insertions(+), 129 deletions(-)
--
2.31.1
