On 11/17/21 1:53 PM, Logan Gunthorpe wrote:

pci_p2pdma_map_type() will be needed by the dma-iommu map_sg
implementation because it will need to determine the mapping type
ahead of actually doing the mapping to create the actual IOMMU mapping.

Prototypes for this helper are added to dma-map-ops.h as they are only
useful to dma map implementations and don't need to pollute the public
pci-p2pdma header

Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
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The documentation looks much better from reviewer point of view.

Looks good.

Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>