On 03/19/2013 08:18 PM, Alex Williamson wrote:
>>
>> The "pinning" process needs to involve a call to the kernel to process
>> the page for DMA (pinning the page and opening it in the iommu) and
>> return a transaction address, of course.
>>
>> I think we have the interface for that in vfio, but I haven't followed
>> that work.
>
> Yes, vfio does this and is meant to provide a secure-boot-friendly PCI
> passthrough interface. Thanks,
>
Right, and presumably vfio does *not* require CAP_SYS_RAWIO, right?
-hpa
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