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-rw-r--r--udev.841
1 files changed, 33 insertions, 8 deletions
diff --git a/udev.8 b/udev.8
index 079d15f4d1..e9470838b4 100644
--- a/udev.8
+++ b/udev.8
@@ -46,6 +46,11 @@ The line format is:
.RE
where valid methods with corresponding keys are:
.TP
+.B CALLOUT
+calling external program, that returns a string to match
+.br
+keys: \fBBUS\fP, \fBPROGRAM\fP, \fBID\fP
+.TP
.B LABEL
device label or serial number, like USB serial number, SCSI UUID or
file system label
@@ -66,13 +71,23 @@ keys: \fBBUS\fP, \fBPLACE\fP
string replacement of the kernel device name
.br
key: \fBKERNEL_NAME\fP
-.TP
+.P
+The methods are applied in the following order:
.B CALLOUT
-calling external program, that returns a string to match
-.br
-keys: \fBBUS\fP, \fBPROGRAM\fP, \fBID\fP
+,
+.B LABEL
+,
+.B NUMBER
+,
+.B TOPOLOGY
+,
+.B REPLACE
.P
-The name field supports simple printf-like string subtitution:
+The
+.B NAME
+and
+.B PROGRAM
+fields support simple printf-like string subtitution:
.RS
.TP
.B %n
@@ -87,11 +102,17 @@ the kernel minor number for the device
.TP
.B %b
the bus id for the device
+.TP
+.B %c
+the CALLOUT program return value (this does not work within the PROGRAM field for the obvious reason.)
.RE
.P
A sample \fIudev.conf\fP might look like this:
.sp
.nf
+# if /sbin/scsi_id returns "OEM 0815" device will be called disk1
+CALLOUT, BUS="scsi", PROGRAM="/sbin/scsi_id", ID="OEM 0815", NAME="disk1"
+
# USB printer to be called lp_color
LABEL, BUS="usb", serial="W09090207101241330", NAME="lp_color"
@@ -104,9 +125,6 @@ TOPOLOGY, BUS="usb", PLACE="2.3", NAME="mouse1"
# ttyUSB1 should always be called pda
REPLACE, KERNEL="ttyUSB1", NAME="pda"
-# if /sbin/scsi_id returns "OEM 0815" device will be called disk1
-CALLOUT, BUS="scsi", PROGRAM="/sbin/scsi_id", ID="OEM 0815", NAME="disk1"
-
# USB webcams to be called webcam0, webcam1, ...
LABEL, BUS="usb", model="WebCam Version 3", NAME="webcam%n"
.fi
@@ -119,6 +137,8 @@ lines beginning with a '#' will be ignored.
Every line lists a device name followed by numeric owner, group and permission
mode. All values are separated by colons. The name field may end with a
wildcard to apply the values to a whole class of devices.
+.br
+If udev was built using glibc, string owner and group names may be used.
.sp
A sample \fIudev.permissions\fP might look like this:
.sp
@@ -128,6 +148,11 @@ ttyUSB1:0:8:0660
video*:500:500:0660
dsp1:::0666
.fi
+.P
+If
+.B
+udev
+was built using glibc, string owner and group names may be used.
.SH "FILES"
.nf