xref: /openbmc/linux/Documentation/ABI/testing/sysfs-class-iommu-intel-iommu (revision e5451c8f8330e03ad3cfa16048b4daf961af434f)
1*a5459cfeSAlex WilliamsonWhat:		/sys/class/iommu/<iommu>/intel-iommu/address
2*a5459cfeSAlex WilliamsonDate:		June 2014
3*a5459cfeSAlex WilliamsonKernelVersion:	3.17
4*a5459cfeSAlex WilliamsonContact:	Alex Williamson <alex.williamson@redhat.com>
5*a5459cfeSAlex WilliamsonDescription:
6*a5459cfeSAlex Williamson		Physical address of the VT-d DRHD for this IOMMU.
7*a5459cfeSAlex Williamson		Format: %llx.  This allows association of a sysfs
8*a5459cfeSAlex Williamson		intel-iommu with a DMAR DRHD table entry.
9*a5459cfeSAlex Williamson
10*a5459cfeSAlex WilliamsonWhat:		/sys/class/iommu/<iommu>/intel-iommu/cap
11*a5459cfeSAlex WilliamsonDate:		June 2014
12*a5459cfeSAlex WilliamsonKernelVersion:	3.17
13*a5459cfeSAlex WilliamsonContact:	Alex Williamson <alex.williamson@redhat.com>
14*a5459cfeSAlex WilliamsonDescription:
15*a5459cfeSAlex Williamson		The cached hardware capability register value
16*a5459cfeSAlex Williamson		of this DRHD unit.  Format: %llx.
17*a5459cfeSAlex Williamson
18*a5459cfeSAlex WilliamsonWhat:		/sys/class/iommu/<iommu>/intel-iommu/ecap
19*a5459cfeSAlex WilliamsonDate:		June 2014
20*a5459cfeSAlex WilliamsonKernelVersion:	3.17
21*a5459cfeSAlex WilliamsonContact:	Alex Williamson <alex.williamson@redhat.com>
22*a5459cfeSAlex WilliamsonDescription:
23*a5459cfeSAlex Williamson		The cached hardware extended capability register
24*a5459cfeSAlex Williamson		value of this DRHD unit.  Format: %llx.
25*a5459cfeSAlex Williamson
26*a5459cfeSAlex WilliamsonWhat:		/sys/class/iommu/<iommu>/intel-iommu/version
27*a5459cfeSAlex WilliamsonDate:		June 2014
28*a5459cfeSAlex WilliamsonKernelVersion:	3.17
29*a5459cfeSAlex WilliamsonContact:	Alex Williamson <alex.williamson@redhat.com>
30*a5459cfeSAlex WilliamsonDescription:
31*a5459cfeSAlex Williamson		The architecture version as reported from the
32*a5459cfeSAlex Williamson		VT-d VER_REG.  Format: %d:%d, major:minor
33