| What: /sys/class/iommu/<iommu>/intel-iommu/address |
| Date: June 2014 |
| KernelVersion: 3.17 |
| Contact: Alex Williamson <alex.williamson@redhat.com> |
| Description: |
| Physical address of the VT-d DRHD for this IOMMU. |
| Format: %llx. This allows association of a sysfs |
| intel-iommu with a DMAR DRHD table entry. |
| |
| What: /sys/class/iommu/<iommu>/intel-iommu/cap |
| Date: June 2014 |
| KernelVersion: 3.17 |
| Contact: Alex Williamson <alex.williamson@redhat.com> |
| Description: |
| The cached hardware capability register value |
| of this DRHD unit. Format: %llx. |
| |
| What: /sys/class/iommu/<iommu>/intel-iommu/ecap |
| Date: June 2014 |
| KernelVersion: 3.17 |
| Contact: Alex Williamson <alex.williamson@redhat.com> |
| Description: |
| The cached hardware extended capability register |
| value of this DRHD unit. Format: %llx. |
| |
| What: /sys/class/iommu/<iommu>/intel-iommu/version |
| Date: June 2014 |
| KernelVersion: 3.17 |
| Contact: Alex Williamson <alex.williamson@redhat.com> |
| Description: |
| The architecture version as reported from the |
| VT-d VER_REG. Format: %d:%d, major:minor |