Threadripper IOMMU Groups

find /sys/kernel/iommu_groups/ -type l
/sys/kernel/iommu_groups/17/devices/0000:40:01.2
/sys/kernel/iommu_groups/7/devices/0000:09:00.3
/sys/kernel/iommu_groups/7/devices/0000:00:07.1
/sys/kernel/iommu_groups/7/devices/0000:09:00.2
/sys/kernel/iommu_groups/7/devices/0000:09:00.0
/sys/kernel/iommu_groups/7/devices/0000:00:07.0
/sys/kernel/iommu_groups/25/devices/0000:42:00.0
/sys/kernel/iommu_groups/15/devices/0000:40:01.0
/sys/kernel/iommu_groups/5/devices/0000:00:03.1
/sys/kernel/iommu_groups/23/devices/0000:40:08.0
/sys/kernel/iommu_groups/23/devices/0000:40:08.1
/sys/kernel/iommu_groups/23/devices/0000:45:00.2
/sys/kernel/iommu_groups/23/devices/0000:45:00.0
/sys/kernel/iommu_groups/13/devices/0000:07:00.0
/sys/kernel/iommu_groups/13/devices/0000:07:00.1
/sys/kernel/iommu_groups/3/devices/0000:00:02.0
/sys/kernel/iommu_groups/21/devices/0000:40:04.0
/sys/kernel/iommu_groups/11/devices/0000:00:19.0
/sys/kernel/iommu_groups/11/devices/0000:00:19.7
/sys/kernel/iommu_groups/11/devices/0000:00:19.5
/sys/kernel/iommu_groups/11/devices/0000:00:19.3
/sys/kernel/iommu_groups/11/devices/0000:00:19.1
/sys/kernel/iommu_groups/11/devices/0000:00:19.6
/sys/kernel/iommu_groups/11/devices/0000:00:19.4
/sys/kernel/iommu_groups/11/devices/0000:00:19.2
/sys/kernel/iommu_groups/1/devices/0000:00:01.1
/sys/kernel/iommu_groups/18/devices/0000:40:02.0
/sys/kernel/iommu_groups/8/devices/0000:00:08.1
/sys/kernel/iommu_groups/8/devices/0000:0a:00.2
/sys/kernel/iommu_groups/8/devices/0000:0a:00.0
/sys/kernel/iommu_groups/8/devices/0000:00:08.0
/sys/kernel/iommu_groups/26/devices/0000:43:00.0
/sys/kernel/iommu_groups/26/devices/0000:43:00.1
/sys/kernel/iommu_groups/16/devices/0000:40:01.1
/sys/kernel/iommu_groups/6/devices/0000:00:04.0
/sys/kernel/iommu_groups/24/devices/0000:41:00.0
/sys/kernel/iommu_groups/14/devices/0000:08:00.0
/sys/kernel/iommu_groups/4/devices/0000:00:03.0
/sys/kernel/iommu_groups/22/devices/0000:44:00.3
/sys/kernel/iommu_groups/22/devices/0000:40:07.0
/sys/kernel/iommu_groups/22/devices/0000:44:00.2
/sys/kernel/iommu_groups/22/devices/0000:40:07.1
/sys/kernel/iommu_groups/22/devices/0000:44:00.0
/sys/kernel/iommu_groups/12/devices/0000:02:09.0
/sys/kernel/iommu_groups/12/devices/0000:02:02.0
/sys/kernel/iommu_groups/12/devices/0000:06:00.0
/sys/kernel/iommu_groups/12/devices/0000:05:00.0
/sys/kernel/iommu_groups/12/devices/0000:01:00.1
/sys/kernel/iommu_groups/12/devices/0000:04:00.0
/sys/kernel/iommu_groups/12/devices/0000:02:04.0
/sys/kernel/iommu_groups/12/devices/0000:03:00.0
/sys/kernel/iommu_groups/12/devices/0000:01:00.2
/sys/kernel/iommu_groups/12/devices/0000:02:03.0
/sys/kernel/iommu_groups/12/devices/0000:01:00.0
/sys/kernel/iommu_groups/2/devices/0000:00:01.3
/sys/kernel/iommu_groups/20/devices/0000:40:03.1
/sys/kernel/iommu_groups/10/devices/0000:00:18.6
/sys/kernel/iommu_groups/10/devices/0000:00:18.4
/sys/kernel/iommu_groups/10/devices/0000:00:18.2
/sys/kernel/iommu_groups/10/devices/0000:00:18.0
/sys/kernel/iommu_groups/10/devices/0000:00:18.7
/sys/kernel/iommu_groups/10/devices/0000:00:18.5
/sys/kernel/iommu_groups/10/devices/0000:00:18.3
/sys/kernel/iommu_groups/10/devices/0000:00:18.1
/sys/kernel/iommu_groups/0/devices/0000:00:01.0
/sys/kernel/iommu_groups/19/devices/0000:40:03.0
/sys/kernel/iommu_groups/9/devices/0000:00:14.0
/sys/kernel/iommu_groups/9/devices/0000:00:14.3