From mboxrd@z Thu Jan  1 00:00:00 1970
From: Leon Romanovsky <leon@kernel.org>
Subject: Re: [PATCH rdma-next 0/3] Dump and fill MKEY
Date: Tue, 19 Jun 2018 17:26:53 +0300
Message-ID: <20180619142653.GH7557@mtr-leonro.mtl.com>
References: <20180619054724.32677-1-leon@kernel.org>
 <20180619142106.GA27457@mellanox.com>
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Cc: Doug Ledford <dledford@redhat.com>,
        RDMA mailing list <linux-rdma@vger.kernel.org>,
        Guy Levi <guyle@mellanox.com>,
        Yishai Hadas <yishaih@mellanox.com>,
        Yonatan Cohen <yonatanc@mellanox.com>,
        Saeed Mahameed <saeedm@mellanox.com>,
        linux-netdev <netdev@vger.kernel.org>
To: Jason Gunthorpe <jgg@mellanox.com>
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On Tue, Jun 19, 2018 at 08:21:06AM -0600, Jason Gunthorpe wrote:
> On Tue, Jun 19, 2018 at 08:47:21AM +0300, Leon Romanovsky wrote:
> > From: Leon Romanovsky <leonro@mellanox.com>
> >
> > MLX5 IB HCA offers the memory key, dump_fill_mkey to increase
> > performance, when used in a send or receive operations.
> >
> > It is used to force local HCA operations to skip the PCI bus access,
> > while keeping track of the processed length in the ibv_sge handling.
> >
> > In this three patch series, we expose various bits in our HW
> > spec file (mlx5_ifc.h), move unneeded for mlx5_core FW command and
> > export such memory key to user space thought our mlx5-abi header file.
>
> Where is the user space for this?

It will be published in the near future.

Thanks

>
> Jason