busybox mdev and mdevd support
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illiliti
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mdev.conf
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136
mdev.conf
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# Copyright (c) 2012-2019, Piotr Karbowski <piotr.karbowski@gmail.com>
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without modification, are
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# permitted provided that the following conditions are met:
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#
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# * Redistributions of source code must retain the above copyright notice, this list
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# of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright notice, this list
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# of conditions and the following disclaimer in the documentation and/or other
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# materials provided with the distribution.
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# * Neither the name of the Piotr Karbowski nor the names of its contributors may be
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# used to endorse or promote products derived from this software without specific
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# prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
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# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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# THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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# OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE US
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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# mdev-like-a-boss
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# Syntax:
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# [-]devicename_regex user:group mode [=path]|[>path]|[!] [@|$|*cmd args...]
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# [-]$ENVVAR=regex user:group mode [=path]|[>path]|[!] [@|$|*cmd args...]
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# [-]@maj,min[-min2] user:group mode [=path]|[>path]|[!] [@|$|*cmd args...]
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#
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# [-]: do not stop on this match, continue reading mdev.conf
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# =: move, >: move and create a symlink
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# !: do not create device node
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# @|$|*: run cmd if $ACTION=remove, @cmd if $ACTION=add, *cmd in all cases
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# support module loading on hotplug
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$MODALIAS=.* 0:0 660 @modprobe -b "$MODALIAS"
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# null may already exist; therefore ownership has to be changed with command
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null 0:0 666 @chmod 666 $MDEV
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zero 0:0 666
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full 0:0 666
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random 0:0 444
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urandom 0:0 444
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hwrandom 0:0 444
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grsec 0:0 660
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# Kernel-based Virtual Machine.
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#kvm root:kvm 660
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# vhost-net, to be used with kvm.
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#vhost-net root:kvm 660
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kmem 0:0 640
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mem 0:0 640
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port 0:0 640
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# console may already exist; therefore ownership has to be changed with command
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console 0:5 600 @chmod 600 $MDEV
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ptmx 0:5 666
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pty.* 0:5 660
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# Typical devices
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tty 0:5 666
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tty[0-9]* 0:5 660
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vcsa*[0-9]* 0:5 660
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ttyS[0-9]* 0:14 660
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# block devices
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ram([0-9]*) 0:9 660 >rd/%1
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loop([0-9]+) 0:9 660 >loop/%1
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sr[0-9]* 0:16 660 @ln -sf $MDEV cdrom
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fd[0-9]* 0:8 660
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SUBSYSTEM=block;.* 0:9 660 */lib/mdev/storage-device
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# Run settle-nics every time new NIC appear.
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# If you don't want to auto-populate /etc/mactab with NICs, run 'settle-nis' without '--write-mactab' param.
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#-SUBSYSTEM=net;DEVPATH=.*/net/.*;.* 0:0 600 @/lib/mdev/settle-nics --write-mactab
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#net/tun[0-9]* root:kvm 660
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#net/tap[0-9]* 0:0 600
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# alsa sound devices and audio stuff
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#SUBSYSTEM=sound;.* root:audio 660 @/lib/mdev/sound-control
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#adsp root:audio 660 >sound/
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#audio root:audio 660 >sound/
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#dsp root:audio 660 >sound/
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#mixer root:audio 660 >sound/
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#sequencer.* root:audio 660 >sound/
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# raid controllers
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cciss!(.*) 0:9 660 =cciss/%1
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ida!(.*) 0:9 660 =ida/%1
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rd!(.*) 0:9 660 =rd/%1
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#fuse 0:0 666
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card[0-9] 0:13 660 =dri/
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agpgart 0:0 660 >misc/
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psaux 0:0 660 >misc/
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rtc 0:0 664 >misc/
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# input stuff
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SUBSYSTEM=input;.* 0:25 660
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# v4l stuff
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#vbi[0-9] 0:13 660 >v4l/
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#video[0-9] 0:13 660 >v4l/
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# dvb stuff
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#dvb.* 0:13 660
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# drm etc
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dri/.* 0:13 660
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# Don't create old usbdev* devices.
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usbdev[0-9].[0-9]* 0:0 660 !
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# Stop creating x:x:x:x which looks like /dev/dm-*
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[0-9]+\:[0-9]+\:[0-9]+\:[0-9]+ 0:0 660 !
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# /dev/cpu support.
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microcode 0:0 600 =cpu/
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cpu([0-9]+) 0:0 600 =cpu/%1/cpuid
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msr([0-9]+) 0:0 600 =cpu/%1/msr
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# Populate /dev/bus/usb.
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#SUBSYSTEM=usb;DEVTYPE=usb_device;.* 0:0 660 */lib/mdev/dev-bus-usb
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# Catch-all other devices, Right now useful only for debuging.
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#.* 0:0 660 */opt/mdev/helpers/catch-all
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