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 10ACTION=="remove", GOTO="seat_end" 11 12TAG=="uaccess", SUBSYSTEM!="sound", TAG+="seat" 13SUBSYSTEM=="sound", KERNEL=="card*", TAG+="seat" 14SUBSYSTEM=="input", KERNEL=="input*", TAG+="seat" 15SUBSYSTEM=="graphics", KERNEL=="fb[0-9]*", TAG+="seat" 16 17# Assign keyboard and LCD backlights to the seat 18SUBSYSTEM=="leds", TAG+="seat" 19SUBSYSTEM=="backlight", TAG+="seat" 20 21# HyperV currently doesn't do DRM, hence we need to synthesize for HyperV's fb device instead 22SUBSYSTEM=="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 25SUBSYSTEM=="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. 29SUBSYSTEM=="pci", ENV{ID_PCI_CLASS_FROM_DATABASE}=="Display controller", \ 30 ENV{DRIVER}=="", IMPORT{cmdline}="nomodeset", TAG+="seat", TAG+="master-of-seat" 31 32SUBSYSTEM=="drm", KERNEL=="card[0-9]*", TAG+="seat", TAG+="master-of-seat" 33SUBSYSTEM=="usb", ATTR{bDeviceClass}=="09", TAG+="seat" 34 35# 'Plugable' USB hub, sound, network, graphics adapter 36SUBSYSTEM=="usb", ATTR{idVendor}=="2230", ATTR{idProduct}=="000[13]", ENV{ID_AUTOSEAT}="1" 37 38# qemu (version 2.4+) has a PCI-PCI bridge (-device pci-bridge-seat) to group 39# devices belonging to one seat. See: 40# http://git.qemu.org/?p=qemu.git;a=blob;f=docs/multiseat.txt 41SUBSYSTEM=="pci", ATTR{vendor}=="0x1b36", ATTR{device}=="0x000a", TAG+="seat", ENV{ID_AUTOSEAT}="1" 42 43# Video adapter of Parallels virtualization platform 44# Seat should be synthesized for it. But there's no in-kernel driver for this 45# device so matching by vid/pid. 46SUBSYSTEM=="pci", ATTRS{vendor}=="0x1ab8", ATTRS{device}=="0x4005", TAG+="seat", TAG+="master-of-seat" 47 48# Mimo 720, with integrated USB hub, displaylink graphics, and e2i 49# touchscreen. This device carries no proper VID/PID in the USB hub, 50# but it does carry good ID data in the graphics component, hence we 51# check it from the parent. There's a bit of a race here however, 52# given that the child devices might not exist yet at the time this 53# rule is executed. To work around this we'll trigger the parent from 54# the child if we notice that the parent wasn't recognized yet. 55 56# Match parent 57SUBSYSTEM=="usb", ATTR{idVendor}=="058f", ATTR{idProduct}=="6254", \ 58 ATTR{%k.2/idVendor}=="17e9", ATTR{%k.2/idProduct}=="401a", ATTR{%k.2/product}=="mimo inc", \ 59 ENV{ID_AUTOSEAT}="1", ENV{ID_AVOID_LOOP}="1" 60 61# Match child, look for parent's ID_AVOID_LOOP 62SUBSYSTEM=="usb", ATTR{idVendor}=="17e9", ATTR{idProduct}=="401a", ATTR{product}=="mimo inc", \ 63 ATTR{../idVendor}=="058f", ATTR{../idProduct}=="6254", \ 64 IMPORT{parent}="ID_AVOID_LOOP" 65 66# Match child, retrigger parent 67SUBSYSTEM=="usb", ATTR{idVendor}=="17e9", ATTR{idProduct}=="401a", ATTR{product}=="mimo inc", \ 68 ATTR{../idVendor}=="058f", ATTR{../idProduct}=="6254", \ 69 ENV{ID_AVOID_LOOP}=="", \ 70 RUN+="/bin/udevadm trigger --parent-match=%p/.." 71 72TAG=="seat", ENV{ID_PATH}=="", IMPORT{builtin}="path_id" 73TAG=="seat", ENV{ID_FOR_SEAT}=="", ENV{ID_PATH_TAG}!="", ENV{ID_FOR_SEAT}="$env{SUBSYSTEM}-$env{ID_PATH_TAG}" 74 75SUBSYSTEM=="input", ATTR{name}=="Wiebetech LLC Wiebetech", RUN+="/bin/loginctl lock-sessions" 76 77LABEL="seat_end" 78