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linux/Documentation/ABI/testing/sysfs-class-iommu-intel-iommu
Daniel Baumann 79d69e5050
Adding upstream version 6.12.33.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-22 12:14:28 +02:00

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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