linux-kernel - Re: [PATCH v2 2/2] dmaengine: idxd: Add Max SGL Size Support for DSA3.0

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Message-ID: <87o6ue6kf6.fsf@intel.com>
Date: Mon, 23 Jun 2025 17:41:01 -0700
From: Vinicius Costa Gomes <vinicius.gomes@...el.com>
To: Yi Sun <yi.sun@...el.com>, dave.jiang@...el.com,
 dmaengine@...r.kernel.org, linux-kernel@...r.kernel.org,
 fenghuay@...dia.com, philip.lantz@...el.com
Cc: yi.sun@...el.com, gordon.jin@...el.com, anil.s.keshavamurthy@...el.com
Subject: Re: [PATCH v2 2/2] dmaengine: idxd: Add Max SGL Size Support for
 DSA3.0

Yi Sun <yi.sun@...el.com> writes:

> Certain DSA 3.0 opcodes, such as Gather copy and Gather reduce, require max
> SGL configured for workqueues prior to supporting these opcodes.
>
> Configure the maximum scatter-gather list (SGL) size for workqueues during
> setup on the supported HW. Application can then properly handle the SGL
> size without explicitly setting it.
>
> Signed-off-by: Yi Sun <yi.sun@...el.com>
> Co-developed-by: Anil S Keshavamurthy <anil.s.keshavamurthy@...el.com>
> Signed-off-by: Anil S Keshavamurthy <anil.s.keshavamurthy@...el.com>
> Reviewed-by: Dave Jiang <dave.jiang@...el.com>
>

Acked-by: Vinicius Costa Gomes <vinicius.gomes@...el.com>


Cheers,
-- 
Vinicius