src/login/71-seat.rules.in

   1 #  SPDX-License-Identifier: LGPL-2.1+
   2 #
   3 #  This file is part of systemd.
   4 #
   5 #  systemd is free software; you can redistribute it and/or modify it
   6 #  under the terms of the GNU Lesser General Public License as published by
   7 #  the Free Software Foundation; either version 2.1 of the License, or
   8 #  (at your option) any later version.
   9
  10 ACTION=="remove", GOTO="seat_end"
  11
  12 TAG=="uaccess", SUBSYSTEM!="sound", TAG+="seat"
  13 SUBSYSTEM=="sound", KERNEL=="card*", TAG+="seat"
  14 SUBSYSTEM=="input", KERNEL=="input*", TAG+="seat"
  15 SUBSYSTEM=="graphics", KERNEL=="fb[0-9]*", TAG+="seat", TAG+="master-of-seat"
  16 SUBSYSTEM=="drm", KERNEL=="card[0-9]*", TAG+="seat", TAG+="master-of-seat"
  17 SUBSYSTEM=="usb", ATTR{bDeviceClass}=="09", TAG+="seat"
  18
  19 # 'Plugable' USB hub, sound, network, graphics adapter
  20 SUBSYSTEM=="usb", ATTR{idVendor}=="2230", ATTR{idProduct}=="000[13]", ENV{ID_AUTOSEAT}="1"
  21
  22 # qemu (version 2.4+) has a PCI-PCI bridge (-device pci-bridge-seat) to group
  23 # devices belonging to one seat. See:
  24 #     http://git.qemu.org/?p=qemu.git;a=blob;f=docs/multiseat.txt
  25 SUBSYSTEM=="pci", ATTR{vendor}=="0x1b36", ATTR{device}=="0x000a", TAG+="seat", ENV{ID_AUTOSEAT}="1"
  26
  27 # Mimo 720, with integrated USB hub, displaylink graphics, and e2i
  28 # touchscreen. This device carries no proper VID/PID in the USB hub,
  29 # but it does carry good ID data in the graphics component, hence we
  30 # check it from the parent. There's a bit of a race here however,
  31 # given that the child devices might not exist yet at the time this
  32 # rule is executed. To work around this we'll trigger the parent from
  33 # the child if we notice that the parent wasn't recognized yet.
  34
  35 # Match parent
  36 SUBSYSTEM=="usb", ATTR{idVendor}=="058f", ATTR{idProduct}=="6254", \
  37                   ATTR{%k.2/idVendor}=="17e9", ATTR{%k.2/idProduct}=="401a", ATTR{%k.2/product}=="mimo inc", \
  38                   ENV{ID_AUTOSEAT}="1", ENV{ID_AVOID_LOOP}="1"
  39
  40 # Match child, look for parent's ID_AVOID_LOOP
  41 SUBSYSTEM=="usb", ATTR{idVendor}=="17e9", ATTR{idProduct}=="401a", ATTR{product}=="mimo inc", \
  42                   ATTR{../idVendor}=="058f", ATTR{../idProduct}=="6254", \
  43                   IMPORT{parent}="ID_AVOID_LOOP"
  44
  45 # Match child, retrigger parent
  46 SUBSYSTEM=="usb", ATTR{idVendor}=="17e9", ATTR{idProduct}=="401a", ATTR{product}=="mimo inc", \
  47                   ATTR{../idVendor}=="058f", ATTR{../idProduct}=="6254", \
  48                   ENV{ID_AVOID_LOOP}=="", \
  49                   RUN+="@rootbindir@/udevadm trigger --parent-match=%p/.."
  50
  51 TAG=="seat", ENV{ID_PATH}=="", IMPORT{builtin}="path_id"
  52 TAG=="seat", ENV{ID_FOR_SEAT}=="", ENV{ID_PATH_TAG}!="", ENV{ID_FOR_SEAT}="$env{SUBSYSTEM}-$env{ID_PATH_TAG}"
  53
  54 SUBSYSTEM=="input", ATTR{name}=="Wiebetech LLC Wiebetech", RUN+="@rootbindir@/loginctl lock-sessions"
  55
  56 LABEL="seat_end"