Re: [PATCH v6 2/5] iommu/vt-d: Add debugfs support to show context internals

2018-01-10 Thread Gary R Hook
On 01/09/2018 09:48 PM, Sohil Mehta wrote: 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

[PATCH v6 2/5] iommu/vt-d: Add debugfs support to show context internals

2018-01-09 Thread Sohil Mehta
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