1What: /sys/class/iommu/<iommu>/amd-iommu/cap 2Date: June 2014 3KernelVersion: 3.17 4Contact: Alex Williamson <alex.williamson@redhat.com> 5Description: 6 IOMMU capability header as documented in the AMD IOMMU 7 specification. Format: %x 8 9What: /sys/class/iommu/<iommu>/amd-iommu/features 10Date: June 2014 11KernelVersion: 3.17 12Contact: Alex Williamson <alex.williamson@redhat.com> 13Description: 14 Extended features of the IOMMU. Format: %llx 15