Re: Phyr Starter
From: Christoph Hellwig
Date: Thu Jan 20 2022 - 10:29:24 EST
On Thu, Jan 20, 2022 at 07:27:36AM -0800, Keith Busch wrote:
> It doesn't look like IOMMU page sizes are exported, or even necessarily
> consistently sized on at least one arch (power).
At the DMA API layer dma_get_merge_boundary is the API for it.