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
