Re: [PATCH v2] PCI: Add func1 DMA quirk for Marvell 88SE9125 SATA controller

From: Christoph Hellwig
Date: Wed Nov 17 2021 - 05:12:09 EST

On Tue, Nov 16, 2021 at 02:32:26PM +0000, Yifeng Li wrote:
> Like other SATA controller chips in the Marvell 88SE91xx series, the
> Marvell 88SE9125 has the same DMA requester ID hardware bug that prevents
> it from working under IOMMU. This patch adds its device ID 0x9125 to the
> Function 1 DMA alias quirk list.

Btw, do we need to prevent vfio assignment for all devices with this