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cubelinux-kernel/Documentation/ABI/testing/sysfs-class-iommu-intel-iommu
T
Greg Kroah-Hartman 598cf27219 Linux 6.19.3
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org
Tested-by: Florian Fainelli <florian.fainelli@broadcom.com>
Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com>
Tested-by: Peter Schneider <pschneider1968@googlemail.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Salvatore Bonaccorso <carnil@debian.org>
Tested-by: Brett A C Sheffield <bacs@librecast.net>
Tested-by: Mark Brown <broonie@kernel.org>
Tested-by: Luna Jernberg <droidbittin@gmail.com>
Tested-by: Ronald Warsow <rwarsow@gmx.de>
Tested-by: Justin M. Forbes <jforbes@fedoraproject.org>
Tested-by: Ron Economos <re@w6rz.net>
Tested-by: Miguel Ojeda <ojeda@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2026-02-19 16:33:27 +01:00

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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