0325f71926
Fixes #13773. See also https://bugzilla.redhat.com/show_bug.cgi?id=1728240, https://github.com/sddm/sddm/issues/1204. When nomodeset is used on the kernel command line, there is no graphics device that the kernel knows, so we don't tag anything as master-of-seat, and seat0 has CanGraphical=no. $ loginctl seat-status seat0 ; loginctl show-seat seat0 seat0 Devices: ├─/sys/devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 │ input:input0 "Power Button" ├─/sys/devices/pci0000:00/0000:00:02.1/0000:02:00.0/usb1 │ usb:usb1 │ └─/sys/devices/pci0000:00/0000:00:02.1/0000:02:00.0/usb1/1-1/1-1:1.0/0003:0627:0001.0001/input/input4 │ input:input4 "QEMU QEMU USB Tablet" ├─/sys/devices/pci0000:00/0000:00:02.1/0000:02:00.0/usb2 │ usb:usb2 ├─/sys/devices/pci0000:00/0000:00:1b.0/sound/card0 │ sound:card0 "Intel" ├─/sys/devices/platform/i8042/serio0/input/input1 │ input:input1 "AT Translated Set 2 keyboard" │ ├─/sys/devices/platform/i8042/serio0/input/input1/input1::capslock │ │ leds:input1::capslock │ ├─/sys/devices/platform/i8042/serio0/input/input1/input1::numlock │ │ leds:input1::numlock │ └─/sys/devices/platform/i8042/serio0/input/input1/input1::scrolllock │ leds:input1::scrolllock └─/sys/devices/platform/i8042/serio1/input/input3 input:input3 "ImExPS/2 Generic Explorer Mouse" Id=seat0 CanMultiSession=yes CanTTY=yes CanGraphical=no Sessions= IdleHint=yes IdleSinceHint=0 IdleSinceHintMonotonic=0 Let's tag the PCI device with "master-of-seat", so we get CanGraphical=yes, and "seat", so it is show as part of the seat: [fedora@f31-bios ~]$ loginctl seat-status seat0 ; loginctl show-seat seat0 seat0 Devices: ├─/sys/devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 │ input:input0 "Power Button" ├─/sys/devices/pci0000:00/0000:00:01.0 │ [MASTER] pci:0000:00:01.0 ├─/sys/devices/pci0000:00/0000:00:02.1/0000:02:00.0/usb1 │ usb:usb1 │ └─/sys/devices/pci0000:00/0000:00:02.1/0000:02:00.0/usb1/1-1/1-1:1.0/0003:0627:0001.0001/input/input4 │ input:input4 "QEMU QEMU USB Tablet" ├─/sys/devices/pci0000:00/0000:00:02.1/0000:02:00.0/usb2 │ usb:usb2 ├─/sys/devices/pci0000:00/0000:00:1b.0/sound/card0 │ sound:card0 "Intel" ├─/sys/devices/platform/i8042/serio0/input/input1 │ input:input1 "AT Translated Set 2 keyboard" │ ├─/sys/devices/platform/i8042/serio0/input/input1/input1::capslock │ │ leds:input1::capslock │ ├─/sys/devices/platform/i8042/serio0/input/input1/input1::numlock │ │ leds:input1::numlock │ └─/sys/devices/platform/i8042/serio0/input/input1/input1::scrolllock │ leds:input1::scrolllock └─/sys/devices/platform/i8042/serio1/input/input3 input:input3 "ImExPS/2 Generic Explorer Mouse" Id=seat0 CanMultiSession=yes CanTTY=yes CanGraphical=yes Sessions= IdleHint=yes IdleSinceHint=0 IdleSinceHintMonotonic=0
78 lines
3.7 KiB
Plaintext
78 lines
3.7 KiB
Plaintext
# SPDX-License-Identifier: LGPL-2.1+
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#
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# This file is part of systemd.
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#
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# systemd is free software; you can redistribute it and/or modify it
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# under the terms of the GNU Lesser General Public License as published by
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# the Free Software Foundation; either version 2.1 of the License, or
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# (at your option) any later version.
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ACTION=="remove", GOTO="seat_end"
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TAG=="uaccess", SUBSYSTEM!="sound", TAG+="seat"
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SUBSYSTEM=="sound", KERNEL=="card*", TAG+="seat"
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SUBSYSTEM=="input", KERNEL=="input*", TAG+="seat"
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SUBSYSTEM=="graphics", KERNEL=="fb[0-9]*", TAG+="seat"
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# Assign keyboard and LCD backlights to the seat
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SUBSYSTEM=="leds", TAG+="seat"
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SUBSYSTEM=="backlight", TAG+="seat"
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# HyperV currently doesn't do DRM, hence we need to synthesize for HyperV's fb device instead
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SUBSYSTEM=="graphics", KERNEL=="fb[0-9]", DRIVERS=="hyperv_fb", TAG+="master-of-seat"
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# Allow efifb / uvesafb to be a master if KMS is disabled
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SUBSYSTEM=="graphics", KERNEL=="fb[0-9]", IMPORT{cmdline}="nomodeset", TAG+="master-of-seat"
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# Allow any PCI graphics device to be a master and synthesize a seat if KMS
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# is disabled and the kernel doesn't have a driver that would work with this device.
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SUBSYSTEM=="pci", ENV{ID_PCI_CLASS_FROM_DATABASE}=="Display controller", \
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ENV{DRIVER}=="", IMPORT{cmdline}="nomodeset", TAG+="seat", TAG+="master-of-seat"
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SUBSYSTEM=="drm", KERNEL=="card[0-9]*", TAG+="seat", TAG+="master-of-seat"
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SUBSYSTEM=="usb", ATTR{bDeviceClass}=="09", TAG+="seat"
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# 'Plugable' USB hub, sound, network, graphics adapter
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SUBSYSTEM=="usb", ATTR{idVendor}=="2230", ATTR{idProduct}=="000[13]", ENV{ID_AUTOSEAT}="1"
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# qemu (version 2.4+) has a PCI-PCI bridge (-device pci-bridge-seat) to group
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# devices belonging to one seat. See:
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# http://git.qemu.org/?p=qemu.git;a=blob;f=docs/multiseat.txt
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SUBSYSTEM=="pci", ATTR{vendor}=="0x1b36", ATTR{device}=="0x000a", TAG+="seat", ENV{ID_AUTOSEAT}="1"
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# Video adapter of Parallels virtualization platform
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# Seat should be synthesized for it. But there's no in-kernel driver for this
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# device so matching by vid/pid.
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SUBSYSTEM=="pci", ATTRS{vendor}=="0x1ab8", ATTRS{device}=="0x4005", TAG+="seat", TAG+="master-of-seat"
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# Mimo 720, with integrated USB hub, displaylink graphics, and e2i
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# touchscreen. This device carries no proper VID/PID in the USB hub,
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# but it does carry good ID data in the graphics component, hence we
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# check it from the parent. There's a bit of a race here however,
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# given that the child devices might not exist yet at the time this
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# rule is executed. To work around this we'll trigger the parent from
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# the child if we notice that the parent wasn't recognized yet.
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# Match parent
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SUBSYSTEM=="usb", ATTR{idVendor}=="058f", ATTR{idProduct}=="6254", \
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ATTR{%k.2/idVendor}=="17e9", ATTR{%k.2/idProduct}=="401a", ATTR{%k.2/product}=="mimo inc", \
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ENV{ID_AUTOSEAT}="1", ENV{ID_AVOID_LOOP}="1"
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# Match child, look for parent's ID_AVOID_LOOP
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SUBSYSTEM=="usb", ATTR{idVendor}=="17e9", ATTR{idProduct}=="401a", ATTR{product}=="mimo inc", \
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ATTR{../idVendor}=="058f", ATTR{../idProduct}=="6254", \
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IMPORT{parent}="ID_AVOID_LOOP"
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# Match child, retrigger parent
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SUBSYSTEM=="usb", ATTR{idVendor}=="17e9", ATTR{idProduct}=="401a", ATTR{product}=="mimo inc", \
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ATTR{../idVendor}=="058f", ATTR{../idProduct}=="6254", \
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ENV{ID_AVOID_LOOP}=="", \
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RUN+="@rootbindir@/udevadm trigger --parent-match=%p/.."
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TAG=="seat", ENV{ID_PATH}=="", IMPORT{builtin}="path_id"
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TAG=="seat", ENV{ID_FOR_SEAT}=="", ENV{ID_PATH_TAG}!="", ENV{ID_FOR_SEAT}="$env{SUBSYSTEM}-$env{ID_PATH_TAG}"
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SUBSYSTEM=="input", ATTR{name}=="Wiebetech LLC Wiebetech", RUN+="@rootbindir@/loginctl lock-sessions"
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LABEL="seat_end"
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