netdev - Re: [PATCH net-next v4 00/14] sfc: add vDPA support for EF100 devices

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Date:   Mon, 10 Apr 2023 12:03:25 +0530
From:   Gautam Dawar <gdawar@....com>
To:     Jason Wang <jasowang@...hat.com>, Leon Romanovsky <leon@...nel.org>
Cc:     Gautam Dawar <gautam.dawar@....com>,
        Jakub Kicinski <kuba@...nel.org>, linux-net-drivers@....com,
        Edward Cree <ecree.xilinx@...il.com>,
        Martin Habets <habetsm.xilinx@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Paolo Abeni <pabeni@...hat.com>,
        Richard Cochran <richardcochran@...il.com>,
        linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
        eperezma@...hat.com, harpreet.anand@....com, tanuj.kamde@....com,
        koushik.dutta@....com
Subject: Re: [PATCH net-next v4 00/14] sfc: add vDPA support for EF100 devices


On 4/10/23 07:09, Jason Wang wrote:
> Caution: This message originated from an External Source. Use proper caution when opening attachments, clicking links, or responding.
>
>
> On Sun, Apr 9, 2023 at 5:13 PM Leon Romanovsky <leon@...nel.org> wrote:
>> On Fri, Apr 07, 2023 at 01:40:01PM +0530, Gautam Dawar wrote:
>>> Hi All,
>>>
>>> This series adds the vdpa support for EF100 devices.
>>> For now, only a network class of vdpa device is supported and
>>> they can be created only on a VF. Each EF100 VF can have one
>>> of the three function personalities (EF100, vDPA & None) at
>>> any time with EF100 being the default. A VF's function personality
>>> is changed to vDPA while creating the vdpa device using vdpa tool.
>> Jakub,
>>
>> I wonder if it is not different approach to something that other drivers
>> already do with devlink enable knobs (DEVLINK_PARAM_GENERIC_ID_ENABLE_*)
>> and auxiliary bus.
> I think the auxiliary bus fits here, and I've proposed to use that in
> V2 of this series.

Yeah, right and you mentioned that are fine with it if this is done 
sometime in future to which Martin responded saying the auxbus approach 
will be considered when re-designing sfc driver for the upcoming 
projects on the roadmap.

Gautam

>
> Thanks
>
>> Thanks
>>