9 lines
291 B
Bash
9 lines
291 B
Bash
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#!/usr/bin/env bash
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shopt -s nullglob
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for usb_ctrl in /sys/bus/pci/devices/*/usb*; do
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pci_path=${usb_ctrl%/*}
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iommu_group=$(readlink $pci_path/iommu_group)
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echo "Bus $(cat $usb_ctrl/busnum) --> ${pci_path##*/} (IOMMU group ${iommu_group##*/})"
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lsusb -s ${usb_ctrl#*/usb}:
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echo
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done
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