[PATCH v5 1/1] iommu-api: Add map_sg/unmap_sg functions

[Olav Haugan]

On 8/18/2014 2:26 PM, joro at 8bytes.org wrote:
> On Mon, Aug 18, 2014 at 01:48:46PM -0700, Olav Haugan wrote:
>> On 8/18/2014 11:32 AM, Rob Clark wrote:
> 
>> No, I do not have other uses right now. But could imagine use cases like
>> "force <insert minimum mapping size here> mapping" flag etc.
> 
> I think it is worth discussing to add a flush() function to the
> IOMMU-API. I sent a patch-set myself a few years ago introducing an
> iommu_commit() function with the same semantics, but this is
> out-of-scope for this patch-set.
> 
> Also adding a flag parameter to iommu_map_sg would introduce an
> asymentrie in the API to the iommu_map() function. So please leave it
> out for this patch-set, when we really need a flag parameter someday we
> can introduce it for iommu_map() and iommu_map_sg() together.
> 

Sure, I can remove it. I was trying to make iommu_map_sg/iommu_unmap_sg
symmetric :-)

Anything else before I push v6?


Thanks,

Olav

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