kernel/Documentation/ABI/testing/sysfs-class-iommu-intel-iommu

   1 What:           /sys/class/iommu/<iommu>/intel-iommu/address
   2 Date:           June 2014
   3 KernelVersion:  3.17
   4 Contact:        Alex Williamson <alex.williamson@redhat.com>
   5 Description:
   6                 Physical address of the VT-d DRHD for this IOMMU.
   7                 Format: %llx.  This allows association of a sysfs
   8                 intel-iommu with a DMAR DRHD table entry.
   9
  10 What:           /sys/class/iommu/<iommu>/intel-iommu/cap
  11 Date:           June 2014
  12 KernelVersion:  3.17
  13 Contact:        Alex Williamson <alex.williamson@redhat.com>
  14 Description:
  15                 The cached hardware capability register value
  16                 of this DRHD unit.  Format: %llx.
  17
  18 What:           /sys/class/iommu/<iommu>/intel-iommu/ecap
  19 Date:           June 2014
  20 KernelVersion:  3.17
  21 Contact:        Alex Williamson <alex.williamson@redhat.com>
  22 Description:
  23                 The cached hardware extended capability register
  24                 value of this DRHD unit.  Format: %llx.
  25
  26 What:           /sys/class/iommu/<iommu>/intel-iommu/version
  27 Date:           June 2014
  28 KernelVersion:  3.17
  29 Contact:        Alex Williamson <alex.williamson@redhat.com>
  30 Description:
  31                 The architecture version as reported from the
  32                 VT-d VER_REG.  Format: %d:%d, major:minor