On Tue, Oct 08, 2013 at 10:47:49AM -0600, Bjorn Helgaas wrote:
> I still have no idea what an "aperture type IOMMU" is,
> other than that it is "different."
An aperture based IOMMU is basically any GART-like IOMMU which can only
remap a small window (the aperture) of the DMA address space. DMA
outside of that window is either blocked completly or passed through
untranslated.
Joerg
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