[PATCH v4 2/5] iommu/vt-d: Add debugfs support to show context internals

From: Gayatri Kammela IOMMU internals states such as root and context can be exported to the userspace. Example of such dump in Kabylake: root@OTC-KBLH-01:~# cat /sys/kernel/debug/intel_iommu/dmar_translation_struct IOMMU dmar0: Extended Root Table Addr:402b9e800

[PATCH v4 2/5] iommu/vt-d: Add debugfs support to show context internals

From: Gayatri Kammela IOMMU internals states such as root and context can be exported to the userspace. Example of such dump in Kabylake: root@OTC-KBLH-01:~# cat /sys/kernel/debug/intel_iommu/dmar_translation_struct IOMMU dmar0: Extended Root Table Addr:402b9e800 Extended Root table entries: