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SubjectRe: [PATCH v2] PCI: Add func1 DMA quirk for Marvell 88SE9125 SATA controller
On Wed, 17 Nov 2021 02:12:04 -0800
Christoph Hellwig <hch@infradead.org> wrote:

> 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
> quirk?

No, the alias is taken into account with grouping and IOMMU
programming, it should work with vfio. Thanks,

Alex

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