Re: IOAT DMA w/IOMMU

[Logan Gunthorpe]

On 10/08/18 10:23 AM, Kit Chow wrote:
> There is an internal routine (__intel_map_single) inside the intel iommu 
> code that does the actual mapping using a phys_addr_t. Think I'll try to 
> implement a intel_map_resource routine that calls that routine directly 
> without all of the conversions done for dma_map_{single,page} (pci bar 
> addr -> page -> phys_addr)...

Nice, yes, that was what I was thinking.

Logan
_______________________________________________
iommu mailing list
iommu@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/iommu