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38f11f4d25
As per the suggestion in https://github.com/systemd/systemd/issues/33242. This reduces the number of /dev/ttySXX device units generated in mkosi from 32 to 4. (cherry picked from commit dc38f9addd04c34d1fd743efc407bdebb3573d05) (cherry picked from commit a3d94332a2b5128697373d3093c1cfa56649ec61) (cherry picked from commit 639124214e0f5fb767716d0b2b7ee7a0c75a5c4a) (cherry picked from commit 1a8549f4cd788b7e783f265049e9e84c4b4b988d)
91 lines
5.3 KiB
Plaintext
91 lines
5.3 KiB
Plaintext
# SPDX-License-Identifier: LGPL-2.1-or-later
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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="systemd_end"
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SUBSYSTEM=="tty", KERNEL=="tty[a-zA-Z]*|hvc*|xvc*|hvsi*|ttysclp*|sclp_line*|3270/tty[0-9]*", TAG+="systemd"
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# Exclude 8250 serial ports with a zero IO port, as they are not usable until "setserial /dev/ttySxxx port …" is invoked.
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SUBSYSTEM=="tty", KERNEL=="ttyS*", DRIVERS=="serial8250", ATTR{port}=="0x0", ENV{SYSTEMD_READY}="0"
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KERNEL=="vport*", TAG+="systemd"
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SUBSYSTEM=="ptp", TAG+="systemd"
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SUBSYSTEM=="ubi", TAG+="systemd"
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SUBSYSTEM=="block", TAG+="systemd"
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# We can't make any conclusions about suspended DM devices so let's just import previous SYSTEMD_READY state and skip other rules
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SUBSYSTEM=="block", ENV{DM_SUSPENDED}=="1", IMPORT{db}="SYSTEMD_READY"
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SUBSYSTEM=="block", ENV{DM_SUSPENDED}=="1", GOTO="systemd_end"
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SUBSYSTEM=="block", ACTION=="add", ENV{DM_UDEV_DISABLE_OTHER_RULES_FLAG}=="1", ENV{SYSTEMD_READY}="0"
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# Ignore encrypted devices with no identified superblock on it, since
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# we are probably still calling mke2fs or mkswap on it.
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SUBSYSTEM=="block", ENV{DM_UUID}=="CRYPT-*", ENV{ID_PART_TABLE_TYPE}=="", ENV{ID_FS_USAGE}=="", ENV{SYSTEMD_READY}="0"
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# Explicitly set SYSTEMD_READY=1 for DM devices that don't have it set yet, so that we always have something to import above
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SUBSYSTEM=="block", ENV{DM_UUID}=="?*", ENV{SYSTEMD_READY}=="", ENV{SYSTEMD_READY}="1"
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# add symlink to GPT root disk
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SUBSYSTEM=="block", ENV{ID_PART_GPT_AUTO_ROOT}=="1", ENV{ID_FS_TYPE}!="crypto_LUKS", SYMLINK+="gpt-auto-root"
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SUBSYSTEM=="block", ENV{ID_PART_GPT_AUTO_ROOT}=="1", ENV{ID_FS_TYPE}=="crypto_LUKS", SYMLINK+="gpt-auto-root-luks"
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SUBSYSTEM=="block", ENV{DM_UUID}=="CRYPT-*", ENV{DM_NAME}=="root", SYMLINK+="gpt-auto-root"
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# Ignore raid devices that are not yet assembled and started
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SUBSYSTEM=="block", ENV{DEVTYPE}=="disk", KERNEL=="md*", TEST!="md/array_state", ENV{SYSTEMD_READY}="0"
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SUBSYSTEM=="block", ENV{DEVTYPE}=="disk", KERNEL=="md*", ATTR{md/array_state}=="|clear|inactive", ENV{SYSTEMD_READY}="0"
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# Ignore loop devices that don't have any file attached
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SUBSYSTEM=="block", KERNEL=="loop[0-9]*", ENV{DEVTYPE}=="disk", TEST!="loop/backing_file", ENV{SYSTEMD_READY}="0"
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# Ignore nbd devices until the PID file exists (which signals a connected device)
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SUBSYSTEM=="block", KERNEL=="nbd*", ENV{DEVTYPE}=="disk", TEST!="pid", ENV{SYSTEMD_READY}="0"
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# We need a hardware independent way to identify network devices. We
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# use the /sys/subsystem/ path for this. Kernel "bus" and "class" names
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# should be treated as one namespace, like udev handles it. This is mostly
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# just an identification string for systemd, so whether the path actually is
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# accessible or not does not matter as long as it is unique and in the
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# filesystem namespace.
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SUBSYSTEM=="net", KERNEL!="lo", TAG+="systemd", ENV{SYSTEMD_ALIAS}+="/sys/subsystem/net/devices/$name"
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SUBSYSTEM=="bluetooth", TAG+="systemd", ENV{SYSTEMD_ALIAS}+="/sys/subsystem/bluetooth/devices/%k", \
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ENV{SYSTEMD_WANTS}+="bluetooth.target", ENV{SYSTEMD_USER_WANTS}+="bluetooth.target"
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ENV{ID_SMARTCARD_READER}=="?*", TAG+="systemd", ENV{SYSTEMD_WANTS}+="smartcard.target", ENV{SYSTEMD_USER_WANTS}+="smartcard.target"
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SUBSYSTEM=="sound", KERNEL=="controlC*", TAG+="systemd", ENV{SYSTEMD_WANTS}+="sound.target", ENV{SYSTEMD_USER_WANTS}+="sound.target"
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SUBSYSTEM=="printer", TAG+="systemd", ENV{SYSTEMD_WANTS}+="printer.target", ENV{SYSTEMD_USER_WANTS}+="printer.target"
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SUBSYSTEM=="usb", KERNEL=="lp*", TAG+="systemd", ENV{SYSTEMD_WANTS}+="printer.target", ENV{SYSTEMD_USER_WANTS}+="printer.target"
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SUBSYSTEM=="usb", ENV{DEVTYPE}=="usb_device", ENV{ID_USB_INTERFACES}=="*:0701??:*", TAG+="systemd", ENV{SYSTEMD_WANTS}+="printer.target", ENV{SYSTEMD_USER_WANTS}+="printer.target"
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SUBSYSTEM=="udc", ACTION=="add", TAG+="systemd", ENV{SYSTEMD_WANTS}+="usb-gadget.target"
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# Apply sysctl variables to network devices (and only to those) as they appear.
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ACTION=="add", SUBSYSTEM=="net", KERNEL!="lo", RUN+="{{ROOTLIBEXECDIR}}/systemd-sysctl --prefix=/net/ipv4/conf/$name --prefix=/net/ipv4/neigh/$name --prefix=/net/ipv6/conf/$name --prefix=/net/ipv6/neigh/$name"
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{% if ENABLE_BACKLIGHT %}
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# Pull in backlight save/restore for all backlight devices and
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# keyboard backlights
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SUBSYSTEM=="backlight", TAG+="systemd", IMPORT{builtin}="path_id", ENV{SYSTEMD_WANTS}+="systemd-backlight@backlight:$name.service"
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SUBSYSTEM=="leds", KERNEL=="*kbd_backlight*", TAG+="systemd", IMPORT{builtin}="path_id", ENV{SYSTEMD_WANTS}+="systemd-backlight@leds:$name.service"
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{% endif %}
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# Pull in rfkill save/restore for all rfkill devices
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SUBSYSTEM=="rfkill", ENV{SYSTEMD_RFKILL}="1"
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SUBSYSTEM=="rfkill", IMPORT{builtin}="path_id"
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SUBSYSTEM=="misc", KERNEL=="rfkill", TAG+="systemd", ENV{SYSTEMD_WANTS}+="systemd-rfkill.socket"
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# Asynchronously mount file systems implemented by these modules as soon as they are loaded.
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SUBSYSTEM=="module", KERNEL=="fuse", TAG+="systemd", ENV{SYSTEMD_WANTS}+="sys-fs-fuse-connections.mount"
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SUBSYSTEM=="module", KERNEL=="configfs", TAG+="systemd", ENV{SYSTEMD_WANTS}+="sys-kernel-config.mount"
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LABEL="systemd_end"
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