NVMe over fabrics support in FreeBSD

[Jim Harris]

On Mon, Apr 11, 2016 at 7:24 AM, Meny Yossefi <menyy at mellanox.com> wrote:

> Hi,
>
> As you may be aware, in the last year or so a group of companies (Mellanox
> included) are defining the NVMe-over-fabric spec, and also developing the
> Linux drivers implementation (both initiator and target).
>

Hi Meny,

The spec is about to be finalized (next Q), and with that the code
> developed will become open source and available, under the GPL license.
>
> What are FreeBSD plans to support NVMe-over-fabrics?
>

I am not aware of anyone working on NVMe-over-fabrics initiator support.
I've copied Warner Losh (imp@) who has also been doing some work on nvme(4)
in case he is aware of something going on here.

For NVMe-over-fabrics target support, we at Intel are working on an SPDK
userspace NVMe-over-fabrics target that should work on FreeBSD.  I am not
aware of any in-tree FreeBSD NVMe-over-fabrics target work going on however.


> Is there a parallel effort happening or planned to happen as soon as the
> spec becomes available?
> Is there a plan/facility to allow the GPL Linux code ported to FreeBSD?
>

Not really.  I think we would need the Linux code relicensed to BSD (or
dual GPL/BSD) to allow porting to FreeBSD.

Best regards,

-Jim



>
> Best regards,
>
> Meny Yossefi | SW Manager | FreeBSD Team
> Mellanox Technologies Ltd
> Work: +972-74-7129121, Cell: +972-52-8379557
>
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