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authorkay.sievers@vrfy.org <kay.sievers@vrfy.org>2005-03-13 05:46:31 +0100
committerGreg KH <gregkh@suse.de>2005-04-26 23:53:17 -0700
commit28ce66de1750320d7f09547d8910d42ae580fe5e (patch)
tree046e79a814f6deb9af27772897f4d6d092ba73f2 /udev.8.in
parent3b6ed8bb06d18a2855d530dcb9034e9d37114827 (diff)
[PATCH] support =, ==, !=, += for the key match and assignment
Diffstat (limited to 'udev.8.in')
-rw-r--r--udev.8.in42
1 files changed, 24 insertions, 18 deletions
diff --git a/udev.8.in b/udev.8.in
index e025960532..dbba297972 100644
--- a/udev.8.in
+++ b/udev.8.in
@@ -92,11 +92,11 @@ the name is used to name the device file or the network interface.
.br
If no matching rule is found, the default kernel device name is used.
.P
-Every rule consists of a list of comma separated fields:
+Every rule consists of a list of comma separated key value fields:
.sp
-.IR "key " ,[ "key " ,...] " name " [, " symlink" ]
-.sp
-where fields are:
+.IR "key " ,[ "key " ,...]
+.P
+The following key names can be used to match against device properties:
.TP
.B BUS
Match the bus type of the device.
@@ -126,18 +126,20 @@ the key doesn't have any trailing whitespace characters by itself.
Call external program. This key is valid if the program returns successful.
The environment variables of
.B udev
-are also available for the program.
+are also available to the program.
.br
The string returned by the program may be additionally matched with the
.B RESULT
-key.
+key in the same or any later rule.
.TP
.B RESULT
Match the returned string of the last
.B PROGRAM
-call. This key may be used in any following rule after a
+call. This key can be used in the same or in any later rule after a
.B PROGRAM
call.
+.P
+The following keys can get values assigned:
.TP
.B NAME
The name of the node to be created, or the name, the network interface
@@ -162,6 +164,10 @@ The permissions for the device node. Every specified value overwrites the
compiled-in default value.
.TP
.B OPTIONS
+.B last_rule
+will be the last rule applied. No later rules will have any effect.
+.sp
+.B OPTIONS
.B ignore_device
will ignore this device. No node will be created.
.sp
@@ -240,31 +246,31 @@ the first three characters of the sysfs attribute.
.sp
.nf
# if /sbin/scsi_id returns "OEM 0815", the device will be called disk1
-BUS="scsi", PROGRAM="/sbin/scsi_id", RESULT="OEM 0815", NAME="disk1"
+BUS=="scsi", PROGRAM=="/sbin/scsi_id", RESULT=="OEM 0815", NAME="disk1"
# USB printer to be called lp_color
-BUS="usb", SYSFS{serial}="W09090207101241330", NAME="lp_color"
+BUS=="usb", SYSFS{serial}=="W09090207101241330", NAME="lp_color"
# SCSI disk with a specific vendor and model number will be called boot
-BUS="scsi", SYSFS{vendor}="IBM", SYSFS{model}="ST336", NAME="boot%n"
+BUS=="scsi", SYSFS{vendor}=="IBM", SYSFS{model}=="ST336", NAME="boot%n"
# sound card with PCI bus id 00:0b.0 to be called dsp
-BUS="pci", ID="00:0b.0", NAME="dsp"
+BUS=="pci", ID=="00:0b.0", NAME="dsp"
# USB mouse at third port of the second hub to be called mouse1
-BUS="usb", ID="2.3", NAME="mouse1"
+BUS=="usb", ID=="2.3", NAME="mouse1"
# ttyUSB1 should always be called pda with two additional symlinks
-KERNEL="ttyUSB1", NAME="pda", SYMLINK="palmtop handheld"
+KERNEL=="ttyUSB1", NAME="pda", SYMLINK="palmtop handheld"
# multiple USB webcams with symlinks to be called webcam0, webcam1, ...
-BUS="usb", SYSFS{model}="XV3", NAME="video%n", SYMLINK="webcam%n"
+BUS=="usb", SYSFS{model}=="XV3", NAME=="video%n", SYMLINK="webcam%n"
# grouping of optical drives from multiple kernel subsystems
-KERNEL="sr*", NAME="%k", SYMLINK="cdrom%e"
-KERNEL="scd*", NAME="%k", SYMLINK="cdrom%e"
-KERNEL="pcd*", NAME="%k", SYMLINK="cdrom%e"
-KERNEL="hd[a-z]", PROGRAM="/bin/cat /proc/ide/%k/media", RESULT="cdrom",
+KERNEL=="sr*", NAME="%k", SYMLINK="cdrom%e"
+KERNEL=="scd*", NAME="%k", SYMLINK="cdrom%e"
+KERNEL=="pcd*", NAME="%k", SYMLINK="cdrom%e"
+KERNEL=="hd[a-z]", PROGRAM=="/bin/cat /proc/ide/%k/media", RESULT=="cdrom",
NAME="%k", SYMLINK="cdrom%e"
.fi
.P