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MMIO and Capability registers - Add support to dump MMIO and Capability > registers per IOMMU. > > Example: > a. Write MMIO register offset to dump it > $ echo 0x18 > /sys/kernel/debug/iommu/amd/iommu00/mmio > $ cat /sys/kernel/debug/iommu/amd/iommu00/mmio > > Output: > $ 0x0003f48d Correction: Based on the documentation in patch 8/8, the output would be Offset:0x18 Value:0x0003f48d > b. Write capability register offset to dump it > $ echo 0x10 > /sys/kernel/debug/iommu/amd/iommu00/capability > $ cat /sys/kernel/debug/iommu/amd/iommu00/capability > > Output: > $ 0x00203040 Correction: Based on the documentation in patch 8/8, the output would be Offset:0x10 Value:0x00203040 Suravee