0001 What: /sys/class/iommu/<iommu>/intel-iommu/address
0002 Date: June 2014
0003 KernelVersion: 3.17
0004 Contact: Alex Williamson <alex.williamson@redhat.com>
0005 Description:
0006 Physical address of the VT-d DRHD for this IOMMU.
0007 Format: %llx. This allows association of a sysfs
0008 intel-iommu with a DMAR DRHD table entry.
0009
0010 What: /sys/class/iommu/<iommu>/intel-iommu/cap
0011 Date: June 2014
0012 KernelVersion: 3.17
0013 Contact: Alex Williamson <alex.williamson@redhat.com>
0014 Description:
0015 The cached hardware capability register value
0016 of this DRHD unit. Format: %llx.
0017
0018 What: /sys/class/iommu/<iommu>/intel-iommu/ecap
0019 Date: June 2014
0020 KernelVersion: 3.17
0021 Contact: Alex Williamson <alex.williamson@redhat.com>
0022 Description:
0023 The cached hardware extended capability register
0024 value of this DRHD unit. Format: %llx.
0025
0026 What: /sys/class/iommu/<iommu>/intel-iommu/version
0027 Date: June 2014
0028 KernelVersion: 3.17
0029 Contact: Alex Williamson <alex.williamson@redhat.com>
0030 Description:
0031 The architecture version as reported from the
0032 VT-d VER_REG. Format: %d:%d, major:minor