1*d72e31c9SAlex WilliamsonWhat: /sys/kernel/iommu_groups/ 2*d72e31c9SAlex WilliamsonDate: May 2012 3*d72e31c9SAlex WilliamsonKernelVersion: v3.5 4*d72e31c9SAlex WilliamsonContact: Alex Williamson <alex.williamson@redhat.com> 5*d72e31c9SAlex WilliamsonDescription: /sys/kernel/iommu_groups/ contains a number of sub- 6*d72e31c9SAlex Williamson directories, each representing an IOMMU group. The 7*d72e31c9SAlex Williamson name of the sub-directory matches the iommu_group_id() 8*d72e31c9SAlex Williamson for the group, which is an integer value. Within each 9*d72e31c9SAlex Williamson subdirectory is another directory named "devices" with 10*d72e31c9SAlex Williamson links to the sysfs devices contained in this group. 11*d72e31c9SAlex Williamson The group directory also optionally contains a "name" 12*d72e31c9SAlex Williamson file if the IOMMU driver has chosen to register a more 13*d72e31c9SAlex Williamson common name for the group. 14*d72e31c9SAlex WilliamsonUsers: 15