On 02/29/2016 12:07 PM, Sagi Grimberg wrote:
> This patch adds arbitrary SG list memory registration support
> which is pending on the device capability (Introduced in Mellanox
> ConnectX-4).
>
> Now that the core is able to handle sg lists, the addition of
> this support is pretty straight-forward and with minimal changes
> to the core and ULP conversion.
>
> Just add another MR creation type which is capable of handling
> SG lists with gaps (pending on the device capability).
>
> Patch 0001 - IB core flagging
> Patch 0002 - mlx5 support
> Patch 0003 - First consumer, iser initiator (more will follow!)
>
> This has come up just now because I've been waiting for FW cap
> exposure that now is included in patchset "Add memory window user-space
> support to mlx5" by Matan (so it obviously depends on it).
>
> Code is available at:
> git@xxxxxxxxxx:sagigrimberg/linux.git arb_sg.3
>
> Sagi Grimberg (3):
> IB/core: Add arbitrary sg_list support
> mlx5: Add arbitrary sg list support
> iser: Accept arbitrary sg lists mapping if the device supports it
>
> drivers/infiniband/core/verbs.c | 2 ++
> drivers/infiniband/hw/mlx5/main.c | 2 ++
> drivers/infiniband/hw/mlx5/mlx5_ib.h | 1 +
> drivers/infiniband/hw/mlx5/mr.c | 50 ++++++++++++++++++++++++++++----
> drivers/infiniband/hw/mlx5/qp.c | 15 ++++++++--
> drivers/infiniband/ulp/iser/iscsi_iser.c | 11 ++++++-
> drivers/infiniband/ulp/iser/iser_verbs.c | 23 ++++++++++-----
> include/rdma/ib_verbs.h | 6 ++++
> 8 files changed, 93 insertions(+), 17 deletions(-)
>
I added this series to the mlx5 branch I have (it needs other mlx5
patches to apply cleanly).
--
Doug Ledford <dledford@xxxxxxxxxx>
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