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Message-ID: <20220408164554.GA3613777@nvidia.com>
Date: Fri, 8 Apr 2022 13:45:54 -0300
From: Jason Gunthorpe <jgg@...dia.com>
To: Ariel Elior <aelior@...vell.com>, Anna Schumaker <anna@...nel.org>,
Jens Axboe <axboe@...com>,
Christian Benvenuti <benve@...co.com>,
Potnuri Bharat Teja <bharat@...lsio.com>,
Bernard Metzler <bmt@...ich.ibm.com>,
Bart Van Assche <bvanassche@....org>,
Chuck Lever <chuck.lever@...cle.com>,
"David S. Miller" <davem@...emloft.net>,
Dennis Dalessandro <dennis.dalessandro@...nelisnetworks.com>,
Christoph Hellwig <hch@....de>,
Keith Busch <kbusch@...nel.org>,
Chaitanya Kulkarni <kch@...dia.com>,
Jakub Kicinski <kuba@...nel.org>,
Leon Romanovsky <leon@...nel.org>, linux-cifs@...r.kernel.org,
linux-nfs@...r.kernel.org, linux-nvme@...ts.infradead.org,
linux-rdma@...r.kernel.org, Max Gurtovoy <mgurtovoy@...dia.com>,
Mike Marciniszyn <mike.marciniszyn@...nelisnetworks.com>,
Michal Kalderon <mkalderon@...vell.com>,
Mustafa Ismail <mustafa.ismail@...el.com>,
Nelson Escobar <neescoba@...co.com>, netdev@...r.kernel.org,
Paolo Abeni <pabeni@...hat.com>, rds-devel@....oracle.com,
Sagi Grimberg <sagi@...mberg.me>,
samba-technical@...ts.samba.org,
Santosh Shilimkar <santosh.shilimkar@...cle.com>,
Selvin Xavier <selvin.xavier@...adcom.com>,
Steve French <sfrench@...ba.org>,
Shiraz Saleem <shiraz.saleem@...el.com>,
target-devel@...r.kernel.org,
Trond Myklebust <trond.myklebust@...merspace.com>,
Yishai Hadas <yishaih@...dia.com>,
Zhu Yanjun <zyjzyj2000@...il.com>
Subject: Re: [PATCH v2] RDMA: Split kernel-only global device caps from
uverbs device caps
On Wed, Apr 06, 2022 at 04:27:18PM -0300, Jason Gunthorpe wrote:
> Split out flags from ib_device::device_cap_flags that are only used
> internally to the kernel into kernel_cap_flags that is not part of the
> uapi. This limits the device_cap_flags to being only flags exposed by the
> driver toward userspace.
>
> This cleanly splits out the uverbs flags from the kernel flags to avoid
> confusion in the flags bitmap.
>
> Add some short comments describing which each of the kernel flags is
> connected to. Remove unused kernel flags.
>
> Signed-off-by: Jason Gunthorpe <jgg@...dia.com>
> drivers/infiniband/core/nldev.c | 2 +-
> drivers/infiniband/core/uverbs_cmd.c | 6 +-
> drivers/infiniband/core/verbs.c | 8 +-
> drivers/infiniband/hw/bnxt_re/ib_verbs.c | 2 +-
> drivers/infiniband/hw/cxgb4/iw_cxgb4.h | 1 -
> drivers/infiniband/hw/cxgb4/provider.c | 8 +-
> drivers/infiniband/hw/hfi1/verbs.c | 4 +-
> drivers/infiniband/hw/irdma/hw.c | 4 -
> drivers/infiniband/hw/irdma/main.h | 1 -
> drivers/infiniband/hw/irdma/verbs.c | 4 +-
> drivers/infiniband/hw/mlx4/main.c | 8 +-
> drivers/infiniband/hw/mlx5/main.c | 15 ++--
> drivers/infiniband/hw/ocrdma/ocrdma_verbs.c | 2 +-
> drivers/infiniband/hw/qedr/verbs.c | 3 +-
> drivers/infiniband/hw/usnic/usnic_ib_verbs.c | 3 +-
> drivers/infiniband/sw/rxe/rxe.c | 1 +
> drivers/infiniband/sw/rxe/rxe_param.h | 1 -
> drivers/infiniband/sw/siw/siw_verbs.c | 4 +-
> drivers/infiniband/ulp/ipoib/ipoib.h | 1 +
> drivers/infiniband/ulp/ipoib/ipoib_main.c | 5 +-
> drivers/infiniband/ulp/ipoib/ipoib_verbs.c | 6 +-
> drivers/infiniband/ulp/iser/iscsi_iser.c | 2 +-
> drivers/infiniband/ulp/iser/iser_verbs.c | 8 +-
> drivers/infiniband/ulp/isert/ib_isert.c | 2 +-
> drivers/infiniband/ulp/srp/ib_srp.c | 8 +-
> drivers/nvme/host/rdma.c | 4 +-
> drivers/nvme/target/rdma.c | 4 +-
> fs/cifs/smbdirect.c | 2 +-
> include/rdma/ib_verbs.h | 84 ++++++++------------
> include/rdma/opa_vnic.h | 3 +-
> include/uapi/rdma/ib_user_verbs.h | 4 +
> net/rds/ib.c | 4 +-
> net/sunrpc/xprtrdma/frwr_ops.c | 2 +-
> 33 files changed, 100 insertions(+), 116 deletions(-)
>
> v2:
> - Use IBK_ as the flag prefix for brevity
> - Remove unneeded ULLs
> - Spelling
> - Short documentation for each of the kernel flags
Applied to for-next, thanks everyone
Jason
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