netdev - Re: [PATCH v19 08/22] cxl: Support dpa initialization without a mailbox

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Message-ID: <b994c059-9f2c-4d79-908f-a3d62b31133c@amd.com>
Date: Mon, 10 Nov 2025 11:28:51 +0000
From: Alejandro Lucero Palau <alucerop@....com>
To: Jonathan Cameron <jonathan.cameron@...wei.com>,
 alejandro.lucero-palau@....com
Cc: linux-cxl@...r.kernel.org, netdev@...r.kernel.org,
 dan.j.williams@...el.com, edward.cree@....com, davem@...emloft.net,
 kuba@...nel.org, pabeni@...hat.com, edumazet@...gle.com,
 dave.jiang@...el.com, Ben Cheatham <benjamin.cheatham@....com>
Subject: Re: [PATCH v19 08/22] cxl: Support dpa initialization without a
 mailbox


On 10/7/25 14:22, Jonathan Cameron wrote:
> On Mon, 6 Oct 2025 11:01:16 +0100
> <alejandro.lucero-palau@....com> wrote:
>
>> From: Alejandro Lucero <alucerop@....com>
> I think this also needs to mention sfc in the patch title as we'll
> need an appropriate RB/Ack for that part.


Right. I'll do so.

Thanks


> Lazy option would be
> cxl/sfc: Support dpa initialization without a mailbox
>
> but there are probably better options.
>
>> Type3 relies on mailbox CXL_MBOX_OP_IDENTIFY command for initializing
>> memdev state params which end up being used for DPA initialization.
>>
>> Allow a Type2 driver to initialize DPA simply by giving the size of its
>> volatile hardware partition.
>>
>> Move related functions to memdev.
>>
>> Add sfc driver as the client.
>>
>> Signed-off-by: Alejandro Lucero <alucerop@....com>
>> Reviewed-by: Dan Williams <dan.j.williams@...el.com>
>> Reviewed-by: Dave Jiang <dave.jiang@...el.com>
>> Reviewed-by: Ben Cheatham <benjamin.cheatham@....com>