diff options
Diffstat (limited to 'usb-devices')
| -rwxr-xr-x | usb-devices | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/usb-devices b/usb-devices new file mode 100755 index 0000000..1ecca48 --- /dev/null +++ b/usb-devices @@ -0,0 +1,184 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0-or-later +# +# Copyright (c) 2009 Greg Kroah-Hartman <greg@kroah.com> +# Copyright (c) 2009 Randy Dunlap <rdunlap@xenotime.net> +# Copyright (c) 2009 Frans Pop <elendil@planet.nl> + +print_string() { + file=$1 + name=$2 + if [ -f $file ]; then + echo "S: $name=`cat $file`" + fi +} + +class_decode() { + class=$1 # v4: in hex + + case $class in + "00") echo ">ifc " ;; + "01") echo "audio" ;; + "02") echo "commc" ;; + "03") echo "HID " ;; + "05") echo "PID " ;; + "06") echo "still" ;; + "07") echo "print" ;; + "08") echo "stor." ;; + "09") echo "hub " ;; + "0a") echo "data " ;; + "0b") echo "scard" ;; + "0d") echo "c-sec" ;; + "0e") echo "video" ;; + "0f") echo "perhc" ;; + "10") echo "av " ;; + "11") echo "blbrd" ;; + "12") echo "bridg" ;; + "dc") echo "diagd" ;; + "e0") echo "wlcon" ;; + "ef") echo "misc " ;; + "fe") echo "app. " ;; + "ff") echo "vend." ;; + "*") echo "unk. " ;; + esac +} + +print_endpoint() { + eppath=$1 + + addr=`cat $eppath/bEndpointAddress` + attr=`cat $eppath/bmAttributes` + dir=`cat $eppath/direction` + if [ "$dir" = in ]; then + dir=I + elif [ "$dir" = out ]; then + dir=O + elif [ "$dir" = both ]; then + dir=B + fi + eptype=`cat $eppath/type` + if [ "$eptype" = Control ]; then + eptype="Ctrl" + elif [ "$eptype" = Interrupt ]; then + eptype="Int." + fi + maxps_hex="0x`cat $eppath/wMaxPacketSize`" + # Extract MaxPS size (bits 0-10) and multiplicity values (bits 11-12) + maxps=$((`printf "%4i*%s\n" $(($maxps_hex & 0x7ff)) \ + $((1 + (($maxps_hex >> 11) & 0x3)))`)) + interval=`cat $eppath/interval` + + printf "E: Ad=%s(%s) Atr=%s(%s) MxPS=%4s Ivl=%s\n" \ + $addr $dir $attr $eptype "$maxps" $interval +} + +print_interface() { + ifpath=$1 + + ifnum=`cat $ifpath/bInterfaceNumber` + altset=`cat $ifpath/bAlternateSetting` + numeps=`cat $ifpath/bNumEndpoints` + class=`cat $ifpath/bInterfaceClass` + subclass=`cat $ifpath/bInterfaceSubClass` + protocol=`cat $ifpath/bInterfaceProtocol` + if [ -L $ifpath/driver ]; then # v4: allow for no driver + driver=`readlink $ifpath/driver` + driver=`basename "$driver"` + else + driver="(none)" + fi + classname=`class_decode $class` + printf "I: If#=%2i Alt=%2i #EPs=%2i Cls=%s(%s) Sub=%s Prot=%s Driver=%s\n" \ + 0x${ifnum#0} ${altset#0} 0x${numeps#0} $class "$classname" $subclass \ + $protocol $driver + + for endpoint in $ifpath/ep_?? + do + if [ -L $endpoint ] || [ -d $endpoint ]; then # v4: verify endpoint exists + print_endpoint $endpoint + fi + done +} + +print_device() { + devpath=$1 + parent=$2 + level=$3 + count=$4 + + [ -d $devpath ] || return + cd $devpath + + busnum=`cat busnum` + devnum=`cat devnum` + + if [ $level -gt 0 ]; then + port=$((${devpath##*[-.]} - 1)) + else + port=0 + fi + speed=`cat speed` + maxchild=`cat maxchild` + printf "\nT: Bus=%02i Lev=%02i Prnt=%02i Port=%02i Cnt=%02i Dev#=%3i Spd=%-3s MxCh=%2i\n" \ + $busnum $level $parent $port $count $devnum $speed $maxchild + + ver=`cat version` + devclass=`cat bDeviceClass` + devsubclass=`cat bDeviceSubClass` + devprotocol=`cat bDeviceProtocol` + maxps0=`cat bMaxPacketSize0` + numconfigs=`cat bNumConfigurations` + classname=`class_decode $devclass` + printf "D: Ver=%5s Cls=%s(%s) Sub=%s Prot=%s MxPS=%2i #Cfgs=%3i\n" \ + $ver $devclass "$classname" $devsubclass $devprotocol \ + $maxps0 $numconfigs + + vendid=`cat idVendor` + prodid=`cat idProduct` + revmajor=`cat bcdDevice | cut -c 1-2` + revminor=`cat bcdDevice | cut -c 3-4` + printf "P: Vendor=%s ProdID=%s Rev=%s.%s\n" \ + $vendid $prodid $revmajor $revminor + + print_string manufacturer "Manufacturer" + print_string product Product + print_string serial SerialNumber + + numifs=`cat bNumInterfaces` + cfgnum=`cat bConfigurationValue` + attr=`cat bmAttributes` + maxpower=`cat bMaxPower` + printf "C: #Ifs=%2i Cfg#=%2i Atr=%s MxPwr=%s\n" \ + $numifs $cfgnum $attr $maxpower + + # There's not really any useful info in endpoint 00 + #print_endpoint $devpath/ep_00 + + for interface in $busnum-*:?.* + do + print_interface $devpath/$interface + done + + devcount=0 + for subdev in $busnum-* + do + echo "$subdev" | grep -Eq "^$busnum-[0-9]+(\.[0-9]+)*$" \ + || continue + + devcount=$(($devcount + 1)) + if [ -d $devpath/$subdev ]; then + print_device $devpath/$subdev \ + $devnum $(($level +1)) $devcount + fi + done +} + +if [ ! -d /sys/bus ]; then + echo "Error: directory /sys/bus does not exist; is sysfs mounted?" >&2 + exit 1 +fi + +for device in /sys/bus/usb/devices/usb* +do + print_device $device 0 0 0 +done |