1 # This file is part of systemd.
3 # systemd is free software; you can redistribute it and/or modify it
4 # under the terms of the GNU General Public License as published by
5 # the Free Software Foundation; either version 2 of the License, or
6 # (at your option) any later version.
8 ACTION!="add|change", GOTO="systemd_end"
10 KERNEL=="tty[0-9]|tty1[0-2]", TAG="systemd"
11 KERNEL=="ttyS*", TAG="systemd"
13 SUBSYSTEM=="block", KERNEL!="ram*|loop*", TAG="systemd"
15 # DM finds it funny to create additional device nodes, we need to
16 merge them here, so that we recognize identical devices.
17 SUBSYSTEM=="block", ENV{DM_NAME}!="", ENV{SYSTEMD_ALIAS}="/dev/mapper/$env{DM_NAME}"
19 # We need a hardware independent way to identify network devices. We
20 # use the /sys/subsystem path for this. Current vanilla kernels don't
21 # actually support that hierarchy right now, however upcoming kernels
22 # will. HAL and udev internally support /sys/subsystem already, hence
23 # it should be safe to use this here, too. This is mostly just an
24 # identification string for systemd, so whether the path actually is
25 # accessible or not does not matter as long as it is unique and in the
26 # filesystem namespace.
28 # http://git.kernel.org/?p=linux/hotplug/udev.git;a=blob;f=libudev/libudev-enumerate.c;h=da831449dcaf5e936a14409e8e68ab12d30a98e2;hb=HEAD#l742
30 SUBSYSTEM=="net", KERNEL!="lo", TAG="systemd", ENV{SYSTEMD_ALIAS}="/sys/subsystem/net/devices/%k"
31 SUBSYSTEM=="bluetooth", TAG="systemd", ENV{SYSTEMD_ALIAS}="/sys/subsystem/bluetooth/devices/%k"
33 SUBSYSTEM=="bluetooth", TAG="systemd", ENV{SYSTEMD_WANTS}="bluetooth.target"
34 SUBSYSTEM=="printer", TAG="systemd", ENV{SYSTEMD_WANTS}="printer.target"
35 ENV{ID_SMARTCARD_READER}=="*?", TAG="systemd", ENV{SYSTEMD_WANTS}="smartcard.target"