Re: [PATCH v2 2/2] dmaengine: idxd: Add Max SGL Size Support for DSA3.0
From: Vinicius Costa Gomes
Date: Mon Jun 23 2025 - 20:42:26 EST
Yi Sun <yi.sun@xxxxxxxxx> 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@xxxxxxxxx>
> Co-developed-by: Anil S Keshavamurthy <anil.s.keshavamurthy@xxxxxxxxx>
> Signed-off-by: Anil S Keshavamurthy <anil.s.keshavamurthy@xxxxxxxxx>
> Reviewed-by: Dave Jiang <dave.jiang@xxxxxxxxx>
>
Acked-by: Vinicius Costa Gomes <vinicius.gomes@xxxxxxxxx>
Cheers,
--
Vinicius