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Open Menu /Documentation/ABI/testing/sysfs-class-iommu-amd-iommu 
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What:		/sys/class/iommu/<iommu>/amd-iommu/cap
Date:		June 2014
KernelVersion:	3.17
Contact:	Alex Williamson <alex.williamson@redhat.com>
Description:
		IOMMU capability header as documented in the AMD IOMMU
		specification.  Format: %x

What:		/sys/class/iommu/<iommu>/amd-iommu/features
Date:		June 2014
KernelVersion:	3.17
Contact:	Alex Williamson <alex.williamson@redhat.com>
Description:
		Extended features of the IOMMU.  Format: %llx