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usbmodules ()
  • >> usbmodules (8) ( Linux man: Команды системного администрирования )
  •  

    NAME

    usbmodules - List kernel driver modules available for a plugged
    in USB device
     
    

    SYNOPSIS

    usbmodules [--device /proc/bus/bus/NNN/NNN] [--check modulename] [--help] [--mapfile pathname] [--version pathname]  

    DESCRIPTION

    usbmodules lists driver modules that may be able to manage interfaces on currently plugged in USB devices. usbmodules may be used by /sbin/hotplug or one of its agents (normally /etc/hotplug/usb.agent) when USB devices are "hot plugged" into the system. This can be done by the following Bourne shell syntax:
           for module in $(usbmodules --device $DEVICE) ; do
                   modprobe -s -k "$module"
           done

    The DEVICE environment variable is passed from the kernel to /sbin/hotplug during USB hotplugging if the kernel was configured using usbdevfs. usbmodules currently requires usbdevfs to operate.

    When a USB device is removed from the system, the Linux kernel will decrement a usage count on USB driver module. If this count drops to zero (i.e., there are no clients for the USB device driver), then the modprobe -r process that is normally configured to run from cron every few minutes will eventually remove the unneeded module.

     

    OPTIONS

    --check modulename
    Instead of listing the relevant modules, just exit with code 0 (success) if the given module's exported USB ID patterns matches. Otherwise, return failure. usbmodules emits no output either way.
    --device /proc/bus/usb/MMM/NNN
    Selects which device usbmodules will examine. The argument is currently mandatory.
    --help, -h
    Print a help message
    --mapfile /etc/hotplug/usb.handmap
    Use the specified file instead of the /lib/modules/.../modules.usbmap file corresponding to the running kernel.
    --version
    Identifies the version of usbutils this tool was built with.
     

    FILES

    /lib/modules/<kernel-version>/modules.usbmap
    This file is automatically generated by depmod, versions 2.4.2 and later, and is used by usbmodules to determine which modules correspond to which USB ID's.
    /proc/bus/usb
    An optional interface to USB devices provided by Linux kernels with versions of the 2.4 USB support. Contains per-bus subdirectories with per-device files (offering a usermode driver API as well as access to device and configuration descriptors), a devices file containing a list of all USB devices, and a drivers file listing USB device drivers known to the USB subsystem.

     

    SEE ALSO

    lsusb(8), http://linux-hotplug.sourceforge.net

     

    AUTHOR

    usbmodules was written by Adam J. Richter <adam@yggdrasil.com>, and is based partly on lsusb, which was written by Thomas Sailer <sailer@ife.ee.ethz.ch>.

     

    COPYRIGHT

    usbmodules is copyright 2000, Yggdrasil Computing, Incorporated, and copyright 1999, Thomas Sailer. usbmodules may may be copied under the terms and conditions of version 2 of the GNU General Public License as published by the Free Software Foundation (Cambrige, Massachusetts, United States of America).


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    OPTIONS
    FILES
    SEE ALSO
    AUTHOR
    COPYRIGHT


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