| Message ID | 20230817102151.75964-1-chengyou@linux.alibaba.com (mailing list archive) |
|---|---|
| Headers | show |
| Series | RDMA/erdma: Add hierachical MTT support | expand |
On Thu, 17 Aug 2023 18:21:48 +0800, Cheng Xu wrote: > 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. > > [...] Applied, thanks! [1/3] RDMA/erdma: Renaming variable names and field names of struct erdma_mem https://git.kernel.org/rdma/rdma/c/d7cfbba90b8015 [2/3] RDMA/erdma: Refactor the storage structure of MTT entries https://git.kernel.org/rdma/rdma/c/7244b4aa4221d7 [3/3] RDMA/erdma: Implement hierachical MTT https://git.kernel.org/rdma/rdma/c/ed10435d358314 Best regards,
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(-)