#!/usr/bin/env bash

License: https://r15ch13.mit-license.org

shopt -s nullglob lastgroup="" for g in find /sys/kernel/iommu_groups/* -maxdepth 0 -type d | sort -V; do for d in $g/devices/*; do if [ "${g##/}" != "$lastgroup" ]; then echo -en "Group${g##/}:\t" else echo -en "\t\t" fi lastgroup={g##*/} lspci -nms {d##*/} | awk -F'"' '{printf "[%s:%s]", $4, $6}' if [[ -e "$d"/reset ]]; then echo -en " [R] "; else echo -en " "; fi

    lspci -mms ${d##*/} | awk -F'"' '{printf "%s %-40s %s\n", \$1, \$2, \$6}'
    for u in ${d}/usb*/; do
        bus=$(cat "${u}/busnum")
        lsusb -s $bus: | \
            awk '{gsub(/:/,"",\$4); printf "%s|%s %s %s %s|", \$6, \$1, \$2, \$3, \$4; for(i=7;i<=NF;i++){printf "%s ", $i}; printf "\n"}' | \
            awk -F'|' '{printf "USB:\t\t[%s]\t\t %-40s %s\n", \$1, \$2, \$3}'
    done
done

done