On Sat, Jan 21, 2023 at 08:27:52PM +0100, Mark Kettenis wrote: > In order to support IOMMUs in non-bypass mode we need device ops > to map and unmap DMA memory. The map operation enters a mapping > for a region specified by CPU address and size into the translation > table of the IOMMU and returns a DMA address suitable for > programming the device to do DMA. The unmap operation removes > this mapping from the translation table of the IOMMU. > > Signed-off-by: Mark Kettenis <kette...@openbsd.org>
For the series, applied to u-boot/master, thanks! Note that in this specific patch I also added the following comment to include/dm/device.h: * @iommu: IOMMU device associated with this device as the doc targets were noting that this was not described. If my description here is wrong / insufficient, please follow-up with a correction. -- Tom
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