mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usbutils.git
synced 2024-11-14 14:33:44 +08:00
da155d965a
The busybox find command is missing the -printf parameter leading to the error: find: unrecognized: -printf Replace the parameter with sed. This patch was originally created by Daniel Fancsali. Signed-off-by: Teresa Remmet <t.remmet@phytec.de>
199 lines
4.8 KiB
Bash
Executable File
199 lines
4.8 KiB
Bash
Executable File
#!/bin/sh
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# SPDX-License-Identifier: GPL-2.0-or-later
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#
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# Copyright (c) 2009 Greg Kroah-Hartman <greg@kroah.com>
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# Copyright (c) 2009 Randy Dunlap <rdunlap@xenotime.net>
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# Copyright (c) 2009 Frans Pop <elendil@planet.nl>
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#
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# When checking with shellcheck ignore
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# "In POSIX sh, local is undefined."
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# every modern shell supports it.
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# shellcheck disable=SC3043
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print_string() {
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file=$1
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name=$2
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if [ -f "$file" ]; then
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echo "S: $name=$(cat "$file")"
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fi
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}
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class_decode() {
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class=$1 # v4: in hex
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case $class in
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"00") echo ">ifc " ;;
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"01") echo "audio" ;;
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"02") echo "commc" ;;
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"03") echo "HID " ;;
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"05") echo "PID " ;;
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"06") echo "still" ;;
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"07") echo "print" ;;
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"08") echo "stor." ;;
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"09") echo "hub " ;;
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"0a") echo "data " ;;
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"0b") echo "scard" ;;
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"0d") echo "c-sec" ;;
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"0e") echo "video" ;;
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"0f") echo "perhc" ;;
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"10") echo "av " ;;
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"11") echo "blbrd" ;;
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"12") echo "bridg" ;;
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"dc") echo "diagd" ;;
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"e0") echo "wlcon" ;;
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"ef") echo "misc " ;;
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"fe") echo "app. " ;;
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"ff") echo "vend." ;;
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"*") echo "unk. " ;;
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esac
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}
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print_endpoint() {
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eppath=$1
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read -r addr < "$eppath/bEndpointAddress"
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read -r attr < "$eppath/bmAttributes"
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read -r dir < "$eppath/direction"
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if [ "$dir" = "in" ]; then
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dir="I"
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elif [ "$dir" = "out" ]; then
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dir="O"
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elif [ "$dir" = "both" ]; then
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dir="B"
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fi
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read -r eptype < "$eppath/type"
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if [ "$eptype" = Control ]; then
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eptype="Ctrl"
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elif [ "$eptype" = Interrupt ]; then
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eptype="Int."
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fi
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read -r maxps_hex < "$eppath/wMaxPacketSize"
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maxps_hex="0x$maxps_hex"
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# Extract MaxPS size (bits 0-10) and multiplicity values (bits 11-12)
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maxps=$(($(printf "%4i*%s\n" $((maxps_hex & 0x7ff)) \
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$((1 + ($((maxps_hex >> 11)) & 0x3))))))
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read -r interval < "$eppath/interval"
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printf "E: Ad=%s(%s) Atr=%s(%s) MxPS=%4s Ivl=%s\n" \
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"$addr" "$dir" "$attr" "$eptype" "$maxps" "$interval"
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}
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print_interface() {
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ifpath=$1
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read -r ifnum < "$ifpath/bInterfaceNumber"
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read -r altset < "$ifpath/bAlternateSetting"
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read -r numeps < "$ifpath/bNumEndpoints"
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read -r class < "$ifpath/bInterfaceClass"
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read -r subclass < "$ifpath/bInterfaceSubClass"
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read -r protocol < "$ifpath/bInterfaceProtocol"
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if [ -L "$ifpath/driver" ]; then # v4: allow for no driver
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driver=$(readlink "$ifpath/driver")
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driver=${driver##*/}
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else
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driver="(none)"
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fi
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classname=$(class_decode "$class")
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printf "I: If#=%2i Alt=%2i #EPs=%2i Cls=%s(%s) Sub=%s Prot=%s Driver=%s\n" \
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"0x${ifnum#0}" "${altset#0}" "0x${numeps#0}" "$class" "$classname" "$subclass" \
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"$protocol" "$driver"
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for endpoint in "$ifpath"/ep_??
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do
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if [ -L "$endpoint" ] || [ -d "$endpoint" ]; then # v4: verify endpoint exists
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print_endpoint "$endpoint"
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fi
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done
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}
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print_device() {
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local devpath=$1
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local parent=$2
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local level=$3
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local count=$4
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[ -d "$devpath" ] || return
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cd "$devpath" || return
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read -r busnum < "busnum"
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read -r devnum < "devnum"
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if [ "$level" -gt 0 ]; then
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port=$((${devpath##*[-.]} - 1))
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else
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port=0
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fi
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read -r speed < "speed"
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read -r maxchild < "maxchild"
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printf "\nT: Bus=%02i Lev=%02i Prnt=%02i Port=%02i Cnt=%02i Dev#=%3i Spd=%-4s MxCh=%2i\n" \
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"$busnum" "$level" "$parent" "$port" "$count" "$devnum" "$speed" "$maxchild"
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read -r ver < "version"
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read -r devclass < "bDeviceClass"
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read -r devsubclass < "bDeviceSubClass"
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read -r devprotocol < "bDeviceProtocol"
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read -r maxps0 < "bMaxPacketSize0"
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read -r numconfigs < "bNumConfigurations"
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classname="$(class_decode "$devclass")"
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printf "D: Ver=%5s Cls=%s(%s) Sub=%s Prot=%s MxPS=%2i #Cfgs=%3i\n" \
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"$ver" "$devclass" "$classname" "$devsubclass" "$devprotocol" \
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"$maxps0" "$numconfigs"
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read -r vendid < "idVendor"
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read -r prodid < "idProduct"
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read -r bcddevice < "bcdDevice"
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revmajor="${bcddevice%%??}"
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revminor="${bcddevice##??}"
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printf "P: Vendor=%s ProdID=%s Rev=%s.%s\n" \
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"$vendid" "$prodid" "$revmajor" "$revminor"
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print_string manufacturer "Manufacturer"
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print_string product Product
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print_string serial SerialNumber
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read -r numifs < "bNumInterfaces"
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read -r cfgnum < "bConfigurationValue"
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read -r attr < "bmAttributes"
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read -r maxpower < "bMaxPower"
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printf "C: #Ifs=%2i Cfg#=%2i Atr=%s MxPwr=%s\n" \
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"$numifs" "$cfgnum" "$attr" "$maxpower"
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# There's not really any useful info in endpoint 00
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#print_endpoint $devpath/ep_00
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for interface in "$busnum"-*:?.*
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do
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print_interface "$devpath/$interface"
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done
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devcount=0
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for subdev in "$busnum"-*
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do
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echo "$subdev" | grep -Eq "^$busnum-[0-9]+(\.[0-9]+)*$" \
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|| continue
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devcount=$((devcount + 1))
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if [ -d "$devpath/$subdev" ]; then
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print_device "$devpath/$subdev" \
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"$devnum" "$((level +1))" "$devcount"
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fi
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done
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}
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if [ ! -d /sys/bus ]; then
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echo "Error: directory /sys/bus does not exist; is sysfs mounted?" >&2
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exit 1
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fi
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for device in $(find /sys/bus/usb/devices -name 'usb*' | sed -E 's#^.*/##g' | sort -V)
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do
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print_device "/sys/bus/usb/devices/$device" 0 0 0
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done
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