diff --git a/man/systemd.special.xml b/man/systemd.special.xml index fd5639ba03e..5e1f4469af0 100644 --- a/man/systemd.special.xml +++ b/man/systemd.special.xml @@ -83,6 +83,7 @@ time-sync.target, timers.target, umount.target, + usb-gadget.target, -.slice, system.slice, user.slice, @@ -799,6 +800,16 @@ dynamically when audio hardware is found. + + usb-gadget.target + + This target is started automatically as soon as a + USB Device Controller becomes available at boot. + + This may be used to pull in usb gadget + dynamically when UDC hardware is found. + + diff --git a/rules/99-systemd.rules.in b/rules/99-systemd.rules.in index 419ca4ed879..f982631766b 100644 --- a/rules/99-systemd.rules.in +++ b/rules/99-systemd.rules.in @@ -56,6 +56,8 @@ SUBSYSTEM=="printer", TAG+="systemd", ENV{SYSTEMD_WANTS}+="printer.target" SUBSYSTEM=="usb", KERNEL=="lp*", TAG+="systemd", ENV{SYSTEMD_WANTS}+="printer.target" SUBSYSTEM=="usb", ENV{DEVTYPE}=="usb_device", ENV{ID_USB_INTERFACES}=="*:0701??:*", TAG+="systemd", ENV{SYSTEMD_WANTS}+="printer.target" +SUBSYSTEM=="udc", ACTION=="add", TAG+="systemd", ENV{SYSTEMD_WANTS}+="usb-gadget.target" + # Apply sysctl variables to network devices (and only to those) as they appear. 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" diff --git a/units/usb-gadget.target b/units/usb-gadget.target new file mode 100644 index 00000000000..c666683a98a --- /dev/null +++ b/units/usb-gadget.target @@ -0,0 +1,12 @@ +# SPDX-License-Identifier: LGPL-2.1+ +# +# This file is part of systemd. +# +# systemd is free software; you can redistribute it and/or modify it +# under the terms of the GNU Lesser General Public License as published by +# the Free Software Foundation; either version 2.1 of the License, or +# (at your option) any later version. + +[Unit] +Description=Hardware activated USB gadget +Documentation=man:systemd.special(7)