--- /dev/null
+# There are a number of modifiers that are allowed to be used in some
+# of the different fields. They provide the following subsitutions:
+#
+# %n the "kernel number" of the device.
+# For example, 'sda3' has a "kernel number" of '3'
+# %e the smallest number for that name which does not matches an existing node
+# %k the kernel name for the device
+# %M the kernel major number for the device
+# %m the kernel minor number for the device
+# %b the bus id for the device
+# %c the string returned by the PROGRAM
+# %s{filename} the content of a sysfs attribute
+# %% the '%' char itself
+#
+
+# SCSI devices
+BUS=="scsi", KERNEL=="sr[0-9]*", NAME="scd%n", SYMLINK+="sr%n"
+
+# USB devices
+BUS=="usb", KERNEL=="auer[0-9]*", NAME="usb/%k"
+BUS=="usb", KERNEL=="cpad[0-9]*", NAME="usb/%k"
+BUS=="usb", KERNEL=="dabusb*", NAME="usb/%k"
+BUS=="usb", KERNEL=="hiddev*", NAME="usb/%k"
+BUS=="usb", KERNEL=="legousbtower*", NAME="usb/%k"
+BUS=="usb", KERNEL=="lp[0-9]*", NAME="usb/%k"
+BUS=="usb", KERNEL=="ttyUSB*", SYSFS{product}=="Palm Handheld*", \
+ SYMLINK+="pilot"
+
+# usbfs-like devices
+SUBSYSTEM=="usb_device", \
+ PROGRAM="/bin/sh -c 'X=%k X=$${X#usbdev} B=$${X%%%%.*} D=$${X#*.}; echo bus/usb/$$B/$$D'", SYMLINK+="%c"
+
+# serial devices
+KERNEL=="capi", NAME="capi20", SYMLINK+="isdn/capi20"
+KERNEL=="capi[0-9]*", NAME="capi/%n"
+
+# video devices
+KERNEL=="card[0-9]*", NAME="dri/%k"
+
+# misc devices
+KERNEL=="hw_random", NAME="hwrng"
+KERNEL=="tun", NAME="net/%k"
+
+KERNEL=="cdemu[0-9]*", NAME="cdemu/%n"
+KERNEL=="pktcdvd[0-9]*", NAME="pktcdvd/%n"
+KERNEL=="pktcdvd", NAME="pktcdvd/control"
+
+KERNEL=="cpu[0-9]*", NAME="cpu/%n/cpuid"
+KERNEL=="msr[0-9]*", NAME="cpu/%n/msr"
+KERNEL=="microcode", NAME="cpu/microcode"
+
+KERNEL=="umad*", NAME="infiniband/%k"
+KERNEL=="issm*", NAME="infiniband/%k"
+KERNEL=="uverbs*", NAME="infiniband/%k"
+KERNEL=="ucm", NAME="infiniband/%k"
+
+KERNEL=="buzzer", NAME="misc/buzzer"
+
+# ALSA devices
+KERNEL=="controlC[0-9]*", NAME="snd/%k"
+KERNEL=="hwC[D0-9]*", NAME="snd/%k"
+KERNEL=="pcmC[D0-9cp]*", NAME="snd/%k"
+KERNEL=="midiC[D0-9]*", NAME="snd/%k"
+KERNEL=="timer", NAME="snd/%k"
+KERNEL=="seq", NAME="snd/%k"
+
+# ieee1394 devices
+KERNEL=="dv1394*", NAME="dv1394/%n"
+KERNEL=="video1394*", NAME="video1394/%n"
+
+# input devices
+KERNEL=="mice", NAME="input/%k"
+KERNEL=="mouse[0-9]*", NAME="input/%k"
+KERNEL=="event[0-9]*", NAME="input/%k"
+KERNEL=="js[0-9]*", NAME="input/%k"
+KERNEL=="ts[0-9]*", NAME="input/%k"
+KERNEL=="uinput", NAME="input/%k"
+
+# Zaptel
+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"
+
+# AOE character devices
+SUBSYSTEM=="aoe", KERNEL=="discover", NAME="etherd/%k"
+SUBSYSTEM=="aoe", KERNEL=="err", NAME="etherd/%k"
+SUBSYSTEM=="aoe", KERNEL=="interfaces", NAME="etherd/%k"
+
+# device mapper creates its own device nodes, so ignore these
+KERNEL=="dm-[0-9]*", OPTIONS+="ignore_device"
+KERNEL=="device-mapper", NAME="mapper/control"
+
+KERNEL="rfcomm[0-9]*", NAME="%k", GROUP="users", MODE="0660"
+
+# Firmware Helper
+ACTION=="add", SUBSYSTEM=="firmware", RUN+="/usr/lib/udev/firmware_helper"
