Re: [PATCH rdma-core 0/7] verbs: Relaxed ordering memory regions

[Yishai Hadas <yishaih@dev.mellanox.co.il>]

On 1/9/2020 4:04 PM, Yishai Hadas wrote:
> This series exposes an IBV_ACCESS_RELAXED_ORDERING optional MR access flag.
> This optional flag allows creation of relaxed ordering memory regions.
> Access through such MRs can improve performance by allowing the system to reorder
> certain accesses.
> 
> The series uses the new ioctl command to get a device context, this command
> enables reading some core generic capabilities such as supporting an optional
> MR access flags by IB core and its related drivers.
> 
> This capability enables transparent masking of the optional flags in libibverbs
> when the kernel doesn't support the MR optional access mode.
> 
> The series is based on an RFC that was sent to the ML [1], the matching kernel
> series was sent to 'for-next'.
> [1] https://www.spinics.net/lists/linux-rdma/msg86188.html
> 
> PR was sent:
> https://github.com/linux-rdma/rdma-core/pull/660
> 
> Yishai
> 
> Michael Guralnik (6):
>    verbs: Move free_context from verbs_device_ops to verbs_context_ops
>    verbs: Move alloc_context to ioctl
>    verbs: Relaxed ordering memory regions
>    mlx5: Add optional access flags range to DM
>    pyverbs: Add relaxed ordering access flag
>    tests: Add relaxed ordering access test
> 
> Yishai Hadas (1):
>    Update kernel headers
> 
>   debian/libibverbs1.symbols                |  2 +
>   kernel-headers/rdma/ib_user_ioctl_cmds.h  | 15 ++++++
>   kernel-headers/rdma/ib_user_ioctl_verbs.h | 12 +++++
>   libibverbs/CMakeLists.txt                 |  2 +-
>   libibverbs/cmd.c                          | 18 -------
>   libibverbs/cmd_device.c                   | 79 +++++++++++++++++++++++++++++++
>   libibverbs/device.c                       |  5 +-
>   libibverbs/driver.h                       |  3 +-
>   libibverbs/dummy_ops.c                    |  7 +++
>   libibverbs/libibverbs.map.in              |  5 ++
>   libibverbs/man/ibv_reg_mr.3               |  2 +
>   libibverbs/verbs.c                        | 13 +++++
>   libibverbs/verbs.h                        | 51 +++++++++++++++++++-
>   libibverbs/verbs_api.h                    |  2 +
>   providers/bnxt_re/main.c                  |  6 ++-
>   providers/cxgb4/dev.c                     |  4 +-
>   providers/efa/efa.c                       |  4 +-
>   providers/hfi1verbs/hfiverbs.c            |  4 +-
>   providers/hns/hns_roce_u.c                |  4 +-
>   providers/i40iw/i40iw_umain.c             |  6 ++-
>   providers/ipathverbs/ipathverbs.c         |  4 +-
>   providers/mlx4/mlx4.c                     |  4 +-
>   providers/mlx5/mlx5.c                     |  4 +-
>   providers/mlx5/verbs.c                    |  3 +-
>   providers/mthca/mthca.c                   |  6 ++-
>   providers/ocrdma/ocrdma_main.c            |  6 ++-
>   providers/qedr/qelr_main.c                |  4 +-
>   providers/rxe/rxe.c                       |  6 ++-
>   providers/siw/siw.c                       |  3 +-
>   providers/vmw_pvrdma/pvrdma_main.c        |  4 +-
>   pyverbs/libibverbs_enums.pxd              |  1 +
>   tests/CMakeLists.txt                      |  5 +-
>   tests/test_relaxed_ordering.py            | 55 +++++++++++++++++++++
>   33 files changed, 301 insertions(+), 48 deletions(-)
>   create mode 100644 tests/test_relaxed_ordering.py
> 

The PR was merged, thanks.

Yishai