aboutsummaryrefslogtreecommitdiffstats
path: root/Documentation/ABI/testing/sysfs-class-iommu-intel-iommu
blob: 258cc246d98e66b51391d61831373e2af968b84b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
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