xref: /OK3568_Linux_fs/kernel/Documentation/ABI/testing/sysfs-class-iommu-intel-iommu (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593SmuzhiyunWhat:		/sys/class/iommu/<iommu>/intel-iommu/address
2*4882a593SmuzhiyunDate:		June 2014
3*4882a593SmuzhiyunKernelVersion:	3.17
4*4882a593SmuzhiyunContact:	Alex Williamson <alex.williamson@redhat.com>
5*4882a593SmuzhiyunDescription:
6*4882a593Smuzhiyun		Physical address of the VT-d DRHD for this IOMMU.
7*4882a593Smuzhiyun		Format: %llx.  This allows association of a sysfs
8*4882a593Smuzhiyun		intel-iommu with a DMAR DRHD table entry.
9*4882a593Smuzhiyun
10*4882a593SmuzhiyunWhat:		/sys/class/iommu/<iommu>/intel-iommu/cap
11*4882a593SmuzhiyunDate:		June 2014
12*4882a593SmuzhiyunKernelVersion:	3.17
13*4882a593SmuzhiyunContact:	Alex Williamson <alex.williamson@redhat.com>
14*4882a593SmuzhiyunDescription:
15*4882a593Smuzhiyun		The cached hardware capability register value
16*4882a593Smuzhiyun		of this DRHD unit.  Format: %llx.
17*4882a593Smuzhiyun
18*4882a593SmuzhiyunWhat:		/sys/class/iommu/<iommu>/intel-iommu/ecap
19*4882a593SmuzhiyunDate:		June 2014
20*4882a593SmuzhiyunKernelVersion:	3.17
21*4882a593SmuzhiyunContact:	Alex Williamson <alex.williamson@redhat.com>
22*4882a593SmuzhiyunDescription:
23*4882a593Smuzhiyun		The cached hardware extended capability register
24*4882a593Smuzhiyun		value of this DRHD unit.  Format: %llx.
25*4882a593Smuzhiyun
26*4882a593SmuzhiyunWhat:		/sys/class/iommu/<iommu>/intel-iommu/version
27*4882a593SmuzhiyunDate:		June 2014
28*4882a593SmuzhiyunKernelVersion:	3.17
29*4882a593SmuzhiyunContact:	Alex Williamson <alex.williamson@redhat.com>
30*4882a593SmuzhiyunDescription:
31*4882a593Smuzhiyun		The architecture version as reported from the
32*4882a593Smuzhiyun		VT-d VER_REG.  Format: %d:%d, major:minor
33