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

From: Jonathan Cameron <[email-masked]>
Date: Tue, 7 Oct 2025 14:22:00 +0100

On Mon, 6 Oct 2025 11:01:16 +0100
<[email-masked]> wrote:

> From: Alejandro Lucero <[email-masked]>

I think this also needs to mention sfc in the patch title as we'll
need an appropriate RB/Ack for that part.

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 <[email-masked]>
> Reviewed-by: Dan Williams <[email-masked]>
> Reviewed-by: Dave Jiang <[email-masked]>
> Reviewed-by: Ben Cheatham <[email-masked]>