Re: [PATCH RFC] IB/core: add max_send_sge and max_recv_sge attributes

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On 6/6/2018 12:15 PM, Kalderon, Michal wrote:
>> From: linux-rdma-owner@xxxxxxxxxxxxxxx [mailto:linux-rdma-
>> owner@xxxxxxxxxxxxxxx] On Behalf Of Steve Wise
>> Sent: Tuesday, June 05, 2018 9:15 PM
>> To: jgg@xxxxxxxxxxxx; dledford@xxxxxxxxxx; linux-rdma@xxxxxxxxxxxxxxx
>> Cc: selvin.xavier@xxxxxxxxxxxx; devesh.sharma@xxxxxxxxxxxx;
>> somnath.kotur@xxxxxxxxxxxx; sriharsha.basavapatna@xxxxxxxxxxxx;
>> dennis.dalessandro@xxxxxxxxx; mike.marciniszyn@xxxxxxxxx;
>> oulijun@xxxxxxxxxx; xavier.huwei@xxxxxxxxxx; faisal.latif@xxxxxxxxx;
>> shiraz.saleem@xxxxxxxxx; yishaih@xxxxxxxxxxxx; leonro@xxxxxxxxxxxx;
>> faisal.latif@xxxxxxxxx; aditr@xxxxxxxxxx; pv-drivers@xxxxxxxxxx;
>> monis@xxxxxxxxxxxx; sagi@xxxxxxxxxxx; hch@xxxxxx;
>> santosh.shilimkar@xxxxxxxxxx; sfrench@xxxxxxxxx;
>> chuck.lever@xxxxxxxxxx
>> Subject: [PATCH RFC] IB/core: add max_send_sge and max_recv_sge
>> attributes
>>
>> Some devices have vastly different max sge depths for RQs vs SQs.  So add
>> queue-specific attributes so applications can take full advantage of hw
>> capabilities.
>>
>> Cc: Selvin Xavier <selvin.xavier@xxxxxxxxxxxx>
>> Cc: Devesh Sharma <devesh.sharma@xxxxxxxxxxxx>
>> Cc: Somnath Kotur <somnath.kotur@xxxxxxxxxxxx>
>> Cc: Sriharsha Basavapatna <sriharsha.basavapatna@xxxxxxxxxxxx>
>> Cc: Dennis Dalessandro <dennis.dalessandro@xxxxxxxxx>
>> Cc: Mike Marciniszyn <mike.marciniszyn@xxxxxxxxx>
>> Cc: Lijun Ou <oulijun@xxxxxxxxxx>
>> Cc: Wei Hu(Xavier) <xavier.huwei@xxxxxxxxxx>
>> Cc: Faisal Latif <faisal.latif@xxxxxxxxx>
>> Cc: Shiraz Saleem <shiraz.saleem@xxxxxxxxx>
>> Cc: Yishai Hadas <yishaih@xxxxxxxxxxxx>
>> Cc: Leon Romanovsky <leonro@xxxxxxxxxxxx>
>> Cc: Adit Ranadive <aditr@xxxxxxxxxx>
>> Cc: VMware PV-Drivers <pv-drivers@xxxxxxxxxx>
>> Cc: Moni Shoua <monis@xxxxxxxxxxxx>
>> Cc: Sagi Grimberg <sagi@xxxxxxxxxxx>
>> Cc: Christoph Hellwig <hch@xxxxxx>
>> Cc: Santosh Shilimkar <santosh.shilimkar@xxxxxxxxxx>
>> Cc: Steve French <sfrench@xxxxxxxxx>
>> Cc: Chuck Lever <chuck.lever@xxxxxxxxxx>
>>
>> Signed-off-by: Steve Wise <swise@xxxxxxxxxxxxxxxxxxxxx>
>> ---
>>  drivers/infiniband/core/uverbs_cmd.c            |  2 +-
>>  drivers/infiniband/hw/bnxt_re/ib_verbs.c        |  3 ++-
>>  drivers/infiniband/hw/cxgb3/iwch_provider.c     |  3 ++-
>>  drivers/infiniband/hw/cxgb4/provider.c          |  3 ++-
>>  drivers/infiniband/hw/hfi1/verbs.c              |  3 ++-
>>  drivers/infiniband/hw/hns/hns_roce_main.c       |  3 ++-
>>  drivers/infiniband/hw/i40iw/i40iw_verbs.c       |  3 ++-
>>  drivers/infiniband/hw/mlx4/main.c               |  4 ++--
>>  drivers/infiniband/hw/mlx5/main.c               |  3 ++-
>>  drivers/infiniband/hw/mthca/mthca_provider.c    |  5 +++--
>>  drivers/infiniband/hw/nes/nes_verbs.c           |  3 ++-
>>  drivers/infiniband/hw/ocrdma/ocrdma_verbs.c     |  3 ++-
>>  drivers/infiniband/hw/qib/qib_verbs.c           |  3 ++-
>>  drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.c |  3 ++-
>>  drivers/infiniband/sw/rdmavt/qp.c               |  5 +++--
>>  drivers/infiniband/sw/rxe/rxe.c                 |  3 ++-
>>  drivers/infiniband/sw/rxe/rxe_qp.c              |  8 ++++----
>>  drivers/infiniband/ulp/ipoib/ipoib_cm.c         |  4 ++--
>>  drivers/infiniband/ulp/ipoib/ipoib_verbs.c      |  2 +-
>>  drivers/infiniband/ulp/isert/ib_isert.c         |  5 +++--
>>  drivers/infiniband/ulp/srpt/ib_srpt.c           |  6 ++++--
>>  drivers/nvme/host/rdma.c                        |  2 +-
>>  drivers/nvme/target/rdma.c                      |  4 ++--
>>  fs/cifs/smbdirect.c                             | 13 ++++++++++---
>>  include/rdma/ib_verbs.h                         |  3 ++-
>>  net/rds/ib.c                                    |  2 +-
>>  net/sunrpc/xprtrdma/svc_rdma_transport.c        |  3 ++-
>>  net/sunrpc/xprtrdma/verbs.c                     |  2 +-
>>  28 files changed, 66 insertions(+), 40 deletions(-)
>>
> Hey Steve, seems like qedr was left out. 
> Thanks,

Oops!  I'll add it.  I think I failed to enable it in the kernel config.

Thanks,

Steve.
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