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"
  16
  17 # HyperV currently doesn't do DRM, hence we need to synthesize for HyperV's fb device instead
  18 SUBSYSTEM=="graphics", KERNEL=="fb[0-9]", DRIVERS=="hyperv_fb", TAG+="master-of-seat"
  19
  20 # Allow efifb / uvesafb to be a master if KMS is disabled
  21 SUBSYSTEM=="graphics", KERNEL=="fb[0-9]", IMPORT{cmdline}="nomodeset", TAG+="master-of-seat"
  22
  23 SUBSYSTEM=="drm", KERNEL=="card[0-9]*", TAG+="seat", TAG+="master-of-seat"
  24 SUBSYSTEM=="usb", ATTR{bDeviceClass}=="09", TAG+="seat"
  25
  26 # 'Plugable' USB hub, sound, network, graphics adapter
  27 SUBSYSTEM=="usb", ATTR{idVendor}=="2230", ATTR{idProduct}=="000[13]", ENV{ID_AUTOSEAT}="1"
  28
  29 # qemu (version 2.4+) has a PCI-PCI bridge (-device pci-bridge-seat) to group
  30 # devices belonging to one seat. See:
  31 #     http://git.qemu.org/?p=qemu.git;a=blob;f=docs/multiseat.txt
  32 SUBSYSTEM=="pci", ATTR{vendor}=="0x1b36", ATTR{device}=="0x000a", TAG+="seat", ENV{ID_AUTOSEAT}="1"
  33
  34 # Video adapter of Parallels virtualization platform
  35 # Seat should be synthesized for it. But there's no in-kernel driver for this
  36 # device so matching by vid/pid.
  37 SUBSYSTEM=="pci", ATTRS{vendor}=="0x1ab8", ATTRS{device}=="0x4005", TAG+="seat", TAG+="master-of-seat"
  38
  39 # Mimo 720, with integrated USB hub, displaylink graphics, and e2i
  40 # touchscreen. This device carries no proper VID/PID in the USB hub,
  41 # but it does carry good ID data in the graphics component, hence we
  42 # check it from the parent. There's a bit of a race here however,
  43 # given that the child devices might not exist yet at the time this
  44 # rule is executed. To work around this we'll trigger the parent from
  45 # the child if we notice that the parent wasn't recognized yet.
  46
  47 # Match parent
  48 SUBSYSTEM=="usb", ATTR{idVendor}=="058f", ATTR{idProduct}=="6254", \
  49                   ATTR{%k.2/idVendor}=="17e9", ATTR{%k.2/idProduct}=="401a", ATTR{%k.2/product}=="mimo inc", \
  50                   ENV{ID_AUTOSEAT}="1", ENV{ID_AVOID_LOOP}="1"
  51
  52 # Match child, look for parent's ID_AVOID_LOOP
  53 SUBSYSTEM=="usb", ATTR{idVendor}=="17e9", ATTR{idProduct}=="401a", ATTR{product}=="mimo inc", \
  54                   ATTR{../idVendor}=="058f", ATTR{../idProduct}=="6254", \
  55                   IMPORT{parent}="ID_AVOID_LOOP"
  56
  57 # Match child, retrigger parent
  58 SUBSYSTEM=="usb", ATTR{idVendor}=="17e9", ATTR{idProduct}=="401a", ATTR{product}=="mimo inc", \
  59                   ATTR{../idVendor}=="058f", ATTR{../idProduct}=="6254", \
  60                   ENV{ID_AVOID_LOOP}=="", \
  61                   RUN+="@rootbindir@/udevadm trigger --parent-match=%p/.."
  62
  63 TAG=="seat", ENV{ID_PATH}=="", IMPORT{builtin}="path_id"
  64 TAG=="seat", ENV{ID_FOR_SEAT}=="", ENV{ID_PATH_TAG}!="", ENV{ID_FOR_SEAT}="$env{SUBSYSTEM}-$env{ID_PATH_TAG}"
  65
  66 SUBSYSTEM=="input", ATTR{name}=="Wiebetech LLC Wiebetech", RUN+="@rootbindir@/loginctl lock-sessions"
  67
  68 LABEL="seat_end"