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 # Assign keyboard and LCD backlights to the seat
  18 SUBSYSTEM=="leds", TAG+="seat"
  19 SUBSYSTEM=="backlight", TAG+="seat"
  20
  21 # HyperV currently doesn't do DRM, hence we need to synthesize for HyperV's fb device instead
  22 SUBSYSTEM=="graphics", KERNEL=="fb[0-9]", DRIVERS=="hyperv_fb", TAG+="master-of-seat"
  23
  24 # Allow efifb / uvesafb to be a master if KMS is disabled
  25 SUBSYSTEM=="graphics", KERNEL=="fb[0-9]", IMPORT{cmdline}="nomodeset", TAG+="master-of-seat"
  26
  27 # Allow any PCI graphics device to be a master and synthesize a seat if KMS
  28 # is disabled and the kernel doesn't have a driver that would work with this device.
  29 SUBSYSTEM=="pci", ENV{ID_PCI_CLASS_FROM_DATABASE}=="Display controller", \
  30                   ENV{DRIVER}=="", IMPORT{cmdline}="nomodeset", TAG+="seat", TAG+="master-of-seat"
  31
  32 SUBSYSTEM=="drm", KERNEL=="card[0-9]*", TAG+="seat", TAG+="master-of-seat"
  33
  34 # Allow individual USB ports to be assigned to a seat
  35 SUBSYSTEM=="usb", ATTR{bDeviceClass}=="00", TAG+="seat"
  36
  37 # Allow USB hubs (and all downstream ports) to be assigned to a seat
  38 SUBSYSTEM=="usb", ATTR{bDeviceClass}=="09", TAG+="seat"
  39
  40 # 'Plugable' USB hub, sound, network, graphics adapter
  41 SUBSYSTEM=="usb", ATTR{idVendor}=="2230", ATTR{idProduct}=="000[13]", ENV{ID_AUTOSEAT}="1"
  42
  43 # qemu (version 2.4+) has a PCI-PCI bridge (-device pci-bridge-seat) to group
  44 # devices belonging to one seat. See:
  45 #     http://git.qemu.org/?p=qemu.git;a=blob;f=docs/multiseat.txt
  46 SUBSYSTEM=="pci", ATTR{vendor}=="0x1b36", ATTR{device}=="0x000a", TAG+="seat", ENV{ID_AUTOSEAT}="1"
  47
  48 # Video adapter of Parallels virtualization platform
  49 # Seat should be synthesized for it. But there's no in-kernel driver for this
  50 # device so matching by vid/pid.
  51 SUBSYSTEM=="pci", ATTRS{vendor}=="0x1ab8", ATTRS{device}=="0x4005", TAG+="seat", TAG+="master-of-seat"
  52
  53 # Mimo 720, with integrated USB hub, displaylink graphics, and e2i
  54 # touchscreen. This device carries no proper VID/PID in the USB hub,
  55 # but it does carry good ID data in the graphics component, hence we
  56 # check it from the parent. There's a bit of a race here however,
  57 # given that the child devices might not exist yet at the time this
  58 # rule is executed. To work around this we'll trigger the parent from
  59 # the child if we notice that the parent wasn't recognized yet.
  60
  61 # Match parent
  62 SUBSYSTEM=="usb", ATTR{idVendor}=="058f", ATTR{idProduct}=="6254", \
  63                   ATTR{%k.2/idVendor}=="17e9", ATTR{%k.2/idProduct}=="401a", ATTR{%k.2/product}=="mimo inc", \
  64                   ENV{ID_AUTOSEAT}="1", ENV{ID_AVOID_LOOP}="1"
  65
  66 # Match child, look for parent's ID_AVOID_LOOP
  67 SUBSYSTEM=="usb", ATTR{idVendor}=="17e9", ATTR{idProduct}=="401a", ATTR{product}=="mimo inc", \
  68                   ATTR{../idVendor}=="058f", ATTR{../idProduct}=="6254", \
  69                   IMPORT{parent}="ID_AVOID_LOOP"
  70
  71 # Match child, retrigger parent
  72 SUBSYSTEM=="usb", ATTR{idVendor}=="17e9", ATTR{idProduct}=="401a", ATTR{product}=="mimo inc", \
  73                   ATTR{../idVendor}=="058f", ATTR{../idProduct}=="6254", \
  74                   ENV{ID_AVOID_LOOP}=="", \
  75                   RUN+="@rootbindir@/udevadm trigger --parent-match=%p/.."
  76
  77 TAG=="seat", ENV{ID_PATH}=="", IMPORT{builtin}="path_id"
  78 TAG=="seat", ENV{ID_FOR_SEAT}=="", ENV{ID_PATH_TAG}!="", ENV{ID_FOR_SEAT}="$env{SUBSYSTEM}-$env{ID_PATH_TAG}"
  79
  80 SUBSYSTEM=="input", ATTR{name}=="Wiebetech LLC Wiebetech", RUN+="@rootbindir@/loginctl lock-sessions"
  81
  82 LABEL="seat_end"