Hi all, Ping. Is it time to review the patch set? Best Regards, Xiao Yang On 2022/7/8 12:02, Yang, Xiao/杨 晓 wrote: > The IB SPEC v1.5[1] defined new RDMA Atomic Write operation. This > patchset makes SoftRoCE support new RDMA Atomic Write on RC service. > > On my rdma-core repository[2], I have introduced RDMA Atomic Write API > for libibverbs and Pyverbs. I also have provided a rdma_atomic_write > example and test_qp_ex_rc_rdma_atomic_write python test to verify > the patchset. > > The steps to run the rdma_atomic_write example: > server: > $ ./rdma_atomic_write_server -s [server_address] -p [port_number] > client: > $ ./rdma_atomic_write_client -s [server_address] -p [port_number] > > The steps to run test_qp_ex_rc_rdma_atomic_write test: > run_tests.py --dev rxe_enp0s3 --gid 1 -v test_qpex.QpExTestCase.test_qp_ex_rc_rdma_atomic_write > test_qp_ex_rc_rdma_atomic_write (tests.test_qpex.QpExTestCase) ... ok > > ---------------------------------------------------------------------- > Ran 1 test in 0.008s > > OK > > [1]: https://www.infinibandta.org/wp-content/uploads/2021/08/IBTA-Overview-of-IBTA-Volume-1-Release-1.5-and-MPE-2021-08-17-Secure.pptx > [2]: https://github.com/yangx-jy/rdma-core/tree/new_api_with_point > > Note: > This patch set depends on the following patch set: > https://lore.kernel.org/linux-rdma/20220705145212.12014-1-yangx.jy@xxxxxxxxxxx/T/#t > > v4->v5: > 1) Rebase on current wip/jgg-for-next > 2) Rewrite the implementation on responder > > v3->v4: > 1) Rebase on current wip/jgg-for-next > 2) Fix a compiler error on 32-bit arch (e.g. parisc) by disabling RDMA Atomic Write > 3) Replace 64-bit value with 8-byte array for RDMA Atomic Write > > V2->V3: > 1) Rebase > 2) Add RDMA Atomic Write attribute for rxe device > > V1->V2: > 1) Set IB_OPCODE_RDMA_ATOMIC_WRITE to 0x1D > 2) Add rdma.atomic_wr in struct rxe_send_wr and use it to pass the atomic write value > 3) Use smp_store_release() to ensure that all prior operations have completed > > Xiao Yang (2): > RDMA/rxe: Support RDMA Atomic Write operation > RDMA/rxe: Add RDMA Atomic Write attribute for rxe device > > drivers/infiniband/sw/rxe/rxe_comp.c | 4 ++ > drivers/infiniband/sw/rxe/rxe_opcode.c | 18 +++++ > drivers/infiniband/sw/rxe/rxe_opcode.h | 3 + > drivers/infiniband/sw/rxe/rxe_param.h | 5 ++ > drivers/infiniband/sw/rxe/rxe_req.c | 15 +++- > drivers/infiniband/sw/rxe/rxe_resp.c | 94 ++++++++++++++++++++++++-- > include/rdma/ib_pack.h | 2 + > include/rdma/ib_verbs.h | 3 + > include/uapi/rdma/ib_user_verbs.h | 4 ++ > include/uapi/rdma/rdma_user_rxe.h | 1 + > 10 files changed, 142 insertions(+), 7 deletions(-) >
