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Kuppuswamy Sathyanarayanan authored
As per Intel vt-d specification, Rev 3.0 (section 7.5.1.1, title "Page Request Descriptor"), Intel IOMMU page request descriptor only uses bits[63:12] of the page address. Hence Intel IOMMU driver would only permit devices that advertise they would only send Page Aligned Requests to participate in ATS service. Cc: Ashok Raj <ashok.raj@intel.com> Cc: Jacob Pan <jacob.jun.pan@linux.intel.com> Cc: Keith Busch <keith.busch@intel.com> Suggested-by:
Ashok Raj <ashok.raj@intel.com> Signed-off-by:
Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com> Signed-off-by:
Joerg Roedel <jroedel@suse.de>
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