systemd-stable/etc/udev/redhat/udev.rules

# There are a number of modifiers that are allowed to be used in some of the
# fields.  See the udev man page for a full description of them.
#
# default is OWNER="root" GROUP="root", MODE="0600"
#
KERNEL="*", OWNER="root" GROUP="root", MODE="0600"

# all block devices
SUBSYSTEM=="block",		GROUP="disk", MODE="0640"
KERNEL=="root",			GROUP="disk", MODE="0640"

# console devices
KERNEL=="tty",			MODE="0666", OPTIONS="last_rule"
KERNEL=="console",		MODE="0600", OPTIONS="last_rule"
KERNEL=="tty[0-9]",		GROUP="tty", MODE="0660", OPTIONS="last_rule"
KERNEL=="tty[0-9][0-9]*",	GROUP="tty", MODE="0660", OPTIONS="last_rule"
KERNEL=="vc/[0-9]*",		GROUP="tty", MODE="0660", OPTIONS="last_rule"

# pty devices
#  Set this to 0660 if you only want users belonging to tty group
#  to be able to allocate PTYs
KERNEL=="ptmx",			GROUP="tty", MODE="0666", OPTIONS="last_rule"
KERNEL=="pty[p-za-e][0-9a-f]*",	GROUP="tty", MODE="0660", OPTIONS="last_rule"
KERNEL=="tty[p-za-e][0-9a-f]*",	GROUP="tty", MODE="0660", OPTIONS="last_rule"
KERNEL=="pty/m*",		GROUP="tty", MODE="0660", OPTIONS="last_rule"
KERNEL=="vc/s*",		GROUP="tty", MODE="0660", OPTIONS="last_rule"

# serial+dialup devices
KERNEL=="ttyS*",		GROUP="uucp", MODE="0660", OPTIONS="last_rule"
KERNEL=="ttyACM*",		GROUP="uucp", MODE="0660", OPTIONS="last_rule"
KERNEL=="ttyUSB*",		GROUP="uucp", MODE="0660", OPTIONS="last_rule"
KERNEL=="ippp*",		MODE="0660"
KERNEL=="isdn*",		MODE="0660"
KERNEL=="isdnctrl*",		MODE="0660"
KERNEL=="capi*",		MODE="0660"
KERNEL=="dcbri*",		MODE="0660"
KERNEL=="ircomm*",		GROUP="uucp", MODE="0660"
KERNEL=="tts/[0-9]*",		GROUP="uucp", MODE="0660"
KERNEL=="tts/USB[0-9]*",	GROUP="uucp", MODE="0660"

# vc devices
KERNEL=="vcs",			OWNER="vcsa", GROUP="tty", OPTIONS="last_rule"
KERNEL=="vcs[0-9]*",		OWNER="vcsa", GROUP="tty", OPTIONS="last_rule"
KERNEL=="vcsa",			OWNER="vcsa", GROUP="tty", OPTIONS="last_rule"
KERNEL=="vcsa[0-9]*",		OWNER="vcsa", GROUP="tty", OPTIONS="last_rule"
KERNEL=="vcc/*",		OWNER="vcsa", GROUP="tty", OPTIONS="last_rule"

# memory devices
KERNEL=="random",		MODE="0666", OPTIONS="last_rule"
KERNEL=="urandom",		MODE="0444", OPTIONS="last_rule"
KERNEL=="mem",			GROUP="kmem", MODE="0640", OPTIONS="last_rule"
KERNEL=="kmem",			GROUP="kmem", MODE="0640", OPTIONS="last_rule"
KERNEL=="port",			GROUP="kmem", MODE="0640", OPTIONS="last_rule"
KERNEL=="full",			MODE="0666", OPTIONS="last_rule"
KERNEL=="null",			MODE="0666", OPTIONS="last_rule"
KERNEL=="zero",			MODE="0666", OPTIONS="last_rule"

# misc devices
KERNEL=="nvram",		MODE="0660"
KERNEL=="rtc",			MODE="0644"

# floppy devices
KERNEL=="fd[01]*",		GROUP="floppy", MODE="0660"

# audio devices
KERNEL=="dsp*",			MODE="0660"
KERNEL=="audio*",		MODE="0660"
KERNEL=="midi*",		MODE="0660"
KERNEL=="mixer*",		MODE="0660"
KERNEL=="sequencer*",		MODE="0660"
KERNEL=="sound/*",		MODE="0660"
KERNEL=="snd/*",		MODE="0660"
KERNEL=="beep",			MODE="0660"
KERNEL=="admm*",		MODE="0660"
KERNEL=="adsp*",		MODE="0660"
KERNEL=="aload*",		MODE="0660"
KERNEL=="amidi*",		MODE="0660"
KERNEL=="dmfm*",		MODE="0660"
KERNEL=="dmmidi*",		MODE="0660"
KERNEL=="sndstat",		MODE="0660"

# pilot/palm devices
KERNEL=="pilot",		GROUP="uucp", MODE="0660"

# lp devices
KERNEL=="lp*",			GROUP="lp", MODE="0660"
KERNEL=="parport*",		GROUP="lp", MODE="0660"
KERNEL=="irlpt*",		GROUP="lp", MODE="0660"
KERNEL=="usblp*",		GROUP="lp", MODE="0660"
KERNEL=="usb/lp*",		GROUP="lp", MODE="0660"

# tape devices
KERNEL=="ht*",			GROUP="disk", MODE="0660"
KERNEL=="nht*",			GROUP="disk", MODE="0660"
KERNEL=="pt[0-9]*",		GROUP="disk", MODE="0660"
KERNEL=="npt*",			GROUP="disk", MODE="0660"
KERNEL=="st*",			GROUP="disk", MODE="0660"
KERNEL=="nst*",			GROUP="disk", MODE="0660"
KERNEL=="osst*",		GROUP="disk", MODE="0660"
KERNEL=="nosst*",		GROUP="disk", MODE="0660"

# diskonkey devices
KERNEL=="diskonkey*",		GROUP="disk", MODE="0640"

# rem_ide devices
KERNEL=="microdrive*",		GROUP="disk", MODE="0640"

# kbd devices
KERNEL=="kbd",			MODE="0644"

# joystick devices
KERNEL=="js[0-9]*",		MODE="0644"
KERNEL=="djs[0-9]*",		MODE="0644"

# v4l devices
KERNEL=="video*",		MODE="0660"
KERNEL=="radio*",		MODE="0660"
KERNEL=="winradio*",		MODE="0660"
KERNEL=="vtx*",			MODE="0660"
KERNEL=="vbi*",			MODE="0660"
KERNEL=="video/*",		MODE="0660"
KERNEL=="vttuner",		MODE="0660"
KERNEL=="v4l/*",		MODE="0660"

# input devices
KERNEL=="input/*",		MODE="0660"

# gpm devices
KERNEL=="gpmctl",		MODE="0700"

# dri devices
KERNEL=="nvidia*",		MODE="0660"
KERNEL=="3dfx*",		MODE="0660"
KERNEL=="dri/*",		MODE="0666"

# usb devices
KERNEL=="usb/dabusb*",		MODE="0660"
KERNEL=="usb/mdc800*",		MODE="0660"
KERNEL=="usb/rio500",		MODE="0660"

# s390 devices
KERNEL=="z90crypt",		MODE="0666"

# DVB
KERNEL=="dvb/*",		MODE="0660"
KERNEL=="dvb",			MODE="0660"
KERNEL=="dvb/adapter*",		MODE="0660"

# create a symlink named after the device map name
# note devmap_name comes with extras/multipath
#KERNEL=="dm-[0-9]*", PROGRAM="/sbin/devmap_name %M %m", NAME="%k", SYMLINK+="%c"

# DRI devices always go into a subdirectory (as per the LSB spec)
KERNEL=="card*",		NAME="dri/card%n"

# alsa devices
KERNEL=="controlC[0-9]*",	NAME="snd/%k"
KERNEL=="hw[CD0-9]*",		NAME="snd/%k"
KERNEL=="pcm[CD0-9cp]*",	NAME="snd/%k"
KERNEL=="midi[CD0-9]*",		NAME="snd/%k"
KERNEL=="timer",		NAME="snd/%k"
KERNEL=="seq",			NAME="snd/%k"

# input devices
KERNEL=="mice",			NAME="input/%k"
KERNEL=="mouse*",		NAME="input/%k"
KERNEL=="event*",		NAME="input/%k"
KERNEL=="js*",			NAME="input/%k", SYMLINK+="%k"
KERNEL=="ts*",			NAME="input/%k"

# IEEE1394 (firewire) devices (must be before raw devices below)
KERNEL=="raw1394",      	NAME="%k"
KERNEL=="dv1394*",      	NAME="dv1394/%n"
KERNEL=="video1394*",   	NAME="video1394/%n"

KERNEL=="raw[0-9]*",		NAME="raw/%k"

KERNEL=="lp[0-9]*",		SYMLINK+="par%n"
BUS=="usb", KERNEL=="lp[0-9]*",	NAME="usb/%k"

KERNEL=="microcode",		NAME="cpu/%k"
KERNEL="msr[0-9]*",     	NAME="cpu/%n/msr"
KERNEL="cpu[0-9]*",     	NAME="cpu/%n/cpuid"

KERNEL=="ram1",			SYMLINK+="ram"
KERNEL=="video0",		SYMLINK+="video"
KERNEL=="radio0",		SYMLINK+="radio"
KERNEL=="audio0",		SYMLINK+="audio"
KERNEL=="dsp0",			SYMLINK+="dsp"
KERNEL=="fb0",			SYMLINK+="fb"
KERNEL=="qft0",			SYMLINK+="ftape"
KERNEL=="isdnctrl0",		SYMLINK+="isdnctrl"
KERNEL=="mixer0",		SYMLINK+="mixer"
KERNEL=="ram0",			SYMLINK+="ramdisk"
KERNEL=="sbpcd0",		SYMLINK+="sbpcd"
KERNEL=="radio0",		SYMLINK+="radio"
KERNEL=="tty0",			SYMLINK+="systty"
KERNEL=="vbi0",			SYMLINK+="vbi"
KERNEL=="null",			SYMLINK+="XOR"

KERNEL=="tun",			NAME="net/%k"

KERNEL=="device-mapper",	NAME="mapper/control"

# old compat symlinks with enumeration
KERNEL=="sr[0-9]*",		SYMLINK+="cdrom%e"
KERNEL=="scd[0-9]*",		SYMLINK+="cdrom%e"
KERNEL=="pcd[0-9]*",		SYMLINK+="cdrom%e"
KERNEL=="fd[0-9]*",		SYMLINK+="floppy%e"
KERNEL=="nst[0-9]", BUS=="scsi", 	SYMLINK+="tape%e", MODE="0660"
KERNEL=="nosst[0-9]", BUS=="scsi", 	SYMLINK+="tape%e", MODE="0660"
KERNEL=="sg[0-9]*", BUS="scsi", SYSFS{type}=="6", SYMLINK+="scanner%e", MODE="0660"

KERNEL=="umad*", 		NAME="infiniband/%k"
KERNEL=="issm*", 		NAME="infiniband/%k"

# Section for zaptel device
KERNEL=="zapctl",     		NAME="zap/ctl"
KERNEL=="zaptimer",   		NAME="zap/timer"
KERNEL=="zapchannel", 		NAME="zap/channel"
KERNEL=="zappseudo",  		NAME="zap/pseudo"
KERNEL=="zap[0-9]*",  		NAME="zap/%n"

BUS=="scsi", KERNEL=="sg[0-9]*", SYSFS{type}=="6", NAME="%k", SYMLINK="scanner%e", MODE="0660"

# do not seperate the next 2 lines!!
KERNEL=="hd[a-z]", BUS=="ide", SYSFS{removable}=="1", PROGRAM=="/lib/udev/ide-media.sh %k", RESULT=="floppy", SYMLINK+="floppy%e", NAME{ignore_remove, all_partitions}="%k"

KERNEL=="hd[a-z]", BUS=="ide", SYSFS{removable}=="1", RESULT=="cdrom", SYMLINK+="cdrom%e"

KERNEL=="hd[a-z]", BUS=="ide", SYSFS{removable}=="1", PROGRAM=="/lib/udev/check-cdrom.sh %k DVD", SYMLINK+="dvd%e"
KERNEL=="sr[0-9]*", BUS=="scsi", PROGRAM=="/lib/udev/check-cdrom.sh %k DVD", SYMLINK+="dvd%e"

KERNEL=="hd[a-z]", BUS=="ide", SYSFS{removable}=="1", PROGRAM=="/lib/udev/check-cdrom.sh %k CD-R", SYMLINK+="cdwriter%e"
KERNEL=="sr[0-9]*", BUS=="scsi", PROGRAM=="/lib/udev/check-cdrom.sh %k CD-R", SYMLINK+="cdwriter%e"

KERNEL=="hd[a-z]", BUS=="ide", SYSFS{removable}=="1", PROGRAM="/lib/udev/check-cdrom.sh %k DVD-R", SYMLINK+="dvdwriter%e"
KERNEL=="sr[0-9]*", BUS=="scsi", PROGRAM=="/lib/udev/check-cdrom.sh %k DVD-R", SYMLINK+="dvdwriter%e"

# rename sr* to scd*
KERNEL=="sr[0-9]*", BUS=="scsi", NAME="scd%n"
KERNEL=="hd[a-z]*", BUS=="ide", SYSFS{removable}=="1", NAME{ignore_remove}="%k"

KERNEL=="dvb*", PROGRAM=="/lib/udev/dvb.sh %k", NAME="%c"

#######################################
# Persistent block device stuff - begin
#######################################
# persistent disk links: /dev/disk/{by-id,by-uuid,by-label,by-path}
# scheme based on "Linux persistent device names", 2004, Hannes Reinecke <hare@suse.de>

ACTION!="add", GOTO="persistent_end"
SUBSYSTEM!="block", GOTO="persistent_end"

# skip rules for inappropriate block devices
KERNEL=="ram*|loop*|fd*|nbd*", GOTO="persistent_end"

# never access removable ide devices, the drivers are causing event loops on open()
BUS=="ide", DRIVER!="ide-cdrom", SYSFS{removable}="1", GOTO="persistent_end"

# by-id (hardware serial number)
KERNEL=="hd*[!0-9]", IMPORT{program}="/sbin/ata_id --export $tempnode"
KERNEL=="hd*[!0-9]", ENV{ID_SERIAL}=="?*", SYMLINK+="disk/by-id/ata-$env{ID_MODEL}_$env{ID_SERIAL}"
KERNEL=="hd*[0-9]", IMPORT{parent}=="ID_*", SYMLINK+="disk/by-id/ata-$env{ID_MODEL}_$env{ID_SERIAL}-part%n"

KERNEL=="sd*[!0-9]|sr*", SYSFS{ieee1394_id}=="*", ENV{ID_SERIAL}="$sysfs{ieee1394_id}", ENV{ID_BUS}="ieee1394"
KERNEL=="sd*[!0-9]|sr*", ENV{ID_SERIAL}=="", IMPORT{program}="/sbin/usb_id -x"
KERNEL=="sd*[!0-9]|sr*", ENV{ID_SERIAL}=="", IMPORT{program}="/sbin/scsi_id -g -x -s %p -d $tempnode"
KERNEL=="sd*[!0-9]|sr*", ENV{ID_SERIAL}=="", IMPORT{program}="/sbin/scsi_id -g -x -a -s %p -d $tempnode"
KERNEL=="dasd*[!0-9]", IMPORT{program}="/sbin/dasd_id --export $tempnode"
KERNEL=="sd*[!0-9]|sr*|dasd*[!0-9]", ENV{ID_SERIAL}=="?*", SYMLINK+="disk/by-id/$env{ID_BUS}-$env{ID_SERIAL}"

# for partitions import parent information
KERNEL=="sd*[0-9]|dasd*[0-9]", IMPORT{parent}=="ID_*"
KERNEL=="sd*[0-9]|dasd*[0-9]", ENV{ID_SERIAL}=="?*", SYMLINK+="disk/by-id/$env{ID_BUS}-$env{ID_SERIAL}-part%n"

# by-path (shortest physical path)
KERNEL=="*[!0-9]|sr*", ENV{ID_TYPE}=="?*", IMPORT{program}="/sbin/path_id %p", SYMLINK+="disk/by-path/$env{ID_PATH}"
KERNEL=="sr*", GOTO="persistent_end"
KERNEL=="*[0-9]", IMPORT{parent}=="ID_*"
KERNEL=="*[0-9]", ENV{ID_PATH}=="?*", SYMLINK+="disk/by-path/$env{ID_PATH}-part%n"

# by-label/by-uuid (filesystem properties)
KERNEL=="*[!0-9]", SYSFS{removable}=="1", GOTO="persistent_end"
IMPORT{program}="/sbin/vol_id --export $tempnode"
ENV{ID_FS_UUID}=="?*", SYMLINK+="disk/by-uuid/$env{ID_FS_UUID}"
ENV{ID_FS_LABEL_SAFE}=="?*", SYMLINK+="disk/by-label/$env{ID_FS_LABEL_SAFE}"

# BIOS Enhanced Disk Device
KERNEL=="*[!0-9]", IMPORT{program}="/sbin/edd_id --export $tempnode"
KERNEL=="*[!0-9]", ENV{ID_EDD}=="?*", SYMLINK+="disk/by-id/edd-$env{ID_EDD}"
KERNEL=="*[0-9]", ENV{ID_EDD}=="?*", SYMLINK+="disk/by-id/edd-$env{ID_EDD}-part%n"

LABEL="persistent_end"

#####################################
# Persistent block device stuff - end
#####################################

ACTION=="add", SUBSYSTEM=="usb_device", PROGRAM="/bin/sh -c 'X=%k X=$${X#usbdev} B=$${X%%%%.*} D=$${X#*.}; echo bus/usb/$$B/$$D'", SYMLINK+="%c"


# Perhaps this should just be for all subsystems?

ACTION=="add", SUBSYSTEM=="pci", MODALIAS=="*", \
	RUN+="/sbin/modprobe $modalias"
ACTION=="add", SUBSYSTEM=="usb", MODALIAS=="*", \
	RUN+="/sbin/modprobe $modalias"
ACTION=="add", SUBSYSTEM=="pcmcia", MODALIAS=="*", \
	RUN+="/sbin/modprobe $modalias"
ACTION=="add", SUBSYSTEM=="pcmcia", MODALIAS=="*", \
        RUN+="/bin/sh -c 'echo 1 > /sys/$DEVPATH/allow_func_id_match'"

ACTION=="add", SUBSYSTEM=="ieee1394", MODALIAS=="*", \
	RUN+="/sbin/modprobe $modalias"

ACTION=="add", SUBSYSTEM=="scsi", SYSFS{type}=="[07]", \
	RUN+="/sbin/modprobe sd_mod"
ACTION=="add", SUBSYSTEM=="scsi", SYSFS{type}=="14", \
	RUN+="/sbin/modprobe sd_mod"
ACTION=="add", SUBSYSTEM=="scsi", SYSFS{type}=="[45]", \
	RUN+="/sbin/modprobe sr_mod"
ACTION=="add", SUBSYSTEM=="scsi", SYSFS{type}=="1", SYSFS{vendor}=="On[sS]tream", \
	SYSFS{model}!="ADR*", RUN+="/sbin/modprobe osst"
ACTION=="add", SUBSYSTEM=="scsi", SYSFS{type}=="1", SYSFS{vendor}=="On[sS]tream", \
	SYSFS{model}=="ADR*", RUN+="/sbin/modprobe st"
ACTION=="add", SUBSYSTEM=="scsi", SYSFS{type}=="1", SYSFS{vendor}!="On[sS]tream", \
	RUN+="/sbin/modprobe st"
ACTION=="add", SUBSYSTEM=="scsi", SYSFS{type}=="[23689]", \
	RUN+="/sbin/modprobe sg"

ACTION=="add", SUBSYSTEM=="firmware", ENV{FIRMWARE}=="*", \
        RUN+="/sbin/firmware_helper"