X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=udev.8.in;h=dbba2979728f3f57ed0db18f030d0bc3ef549a7e;hb=28ce66de1750320d7f09547d8910d42ae580fe5e;hp=5d55b3282c256326c899f281c70e4cb8af71eb79;hpb=4ae6d03f394684722e7d5710fb2585e7c388f119;p=elogind.git diff --git a/udev.8.in b/udev.8.in index 5d55b3282..dbba29797 100644 --- a/udev.8.in +++ b/udev.8.in @@ -59,22 +59,6 @@ All rule files are read in lexical order. The default value is The switch to enable/disable logging of udev information The default value is .IR yes . -.TP -.B default_mode -The default mode for all nodes where no explicit value is given by a rule. -The default value is -.IR 0660 . -.TP -.B default_owner -The default owner for all nodes where no explicit value is given by a rule. -The default value is -.IR root . -.TP -.B default_group -The default group for all nodes where no explicitly value is given by a rule. -The default value is -.IR root . -.br .P .RI "A sample " udev.conf " file might look like this: .sp @@ -91,18 +75,6 @@ udev_rules="/etc/udev/rules.d/" # udev_log - set to "yes" if you want logging, else "no" udev_log="yes" - -# default_mode - set the default mode for all nodes that have no -# permissions specified -default_mode="0660" - -# default_owner - set the default owner for all nodes that have no -# permissions specified -default_owner="root" - -# default_group - set the default group for all nodes that have no -# permissions specified -default_group="root" .fi .P The rules for device naming are read from the files located in the @@ -120,11 +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: -.sp -.IR "key " ,[ "key " ,...] " name " [, " symlink" ] +Every rule consists of a list of comma separated key value fields: .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. @@ -142,9 +114,6 @@ Match the kernel driver name. .B ID Match the device number on the bus, like PCI bus id. .TP -.B PLACE -Match the topological position on bus, like physical port of USB device -.TP .BI SYSFS{ filename } Match sysfs device attribute like label, vendor, USB serial number, SCSI UUID or file system label. Up to 5 different sysfs files can be checked, with @@ -157,36 +126,24 @@ 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 should be renamed to. -.br -If given with the attribute -.BR NAME{ all_partitions } -.B udev -will create device nodes for all 15 partitions of a blockdevice. -This may be useful for removable media devices. -.br -If given with the attribute -.BR NAME{ ignore_remove } -.B udev -will ignore any later remove event for this device. -This may be useful as a workaround for broken device drivers. -.sp -Multiple attributes may be separated by comma. .TP .B SYMLINK The name of a symlink targeting the node. Multiple symlinks may be @@ -203,10 +160,29 @@ separate rules file, while the device nodes are maintained by the distribution provided rules file. .TP .B OWNER, GROUP, MODE -The permissions for this device. Every specified value overwrites the default -value specified in the config file. +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 +.B ignore_remove +will ignore any later remove event for this device. +This may be useful as a workaround for broken device drivers. +.sp +.B all_partitions +will create device nodes for all available partitions of a blockdevice. +This may be useful for removable media devices which do not detect a media +change. +.sp +Multiple attributes may be separated by comma. .P -.RB "The " NAME " ," SYMLINK " and " PROGRAM +.RB "The " NAME ", " SYMLINK ", " PROGRAM ", " OWNER " and " GROUP fields support simple printf-like string substitutions: .TP .B %n @@ -216,6 +192,9 @@ For example, 'sda3' has a "kernel number" of '3'. .B %k The "kernel name" for the device. .TP +.B %p +The devpath for the device. +.TP .B %M The kernel major number for the device. .TP @@ -239,6 +218,13 @@ If the number is followed by the + char this part plus all remaining parts of the result string are substituted: .BI %c{ N+ } .TP +.B %N +The name of a created temporary device node to provide access to the +device from a external program. +.TP +.B %P +The node name of the parent device. +.TP .BI %s{ filename } The content of a sysfs attribute. .TP @@ -260,31 +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", PLACE="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