pcimodules

       plugged in PCI devices

SYNOPSIS
       pcimodules [--classclass_id] [--classmaskmask] [--help]

DESCRIPTION
       pcimodules lists all driver modules for all currently  plugged  in  PCI
       devices.   pcimodules  should  be  run at boot time, and whenever a PCI
       device is "hot plugged" into the system.  This can be done by the  fol-
       lowing Bourne shell syntax:

                   for module in $(pcimodules) ; do

                        modprobe -s -k "$module"

                   done

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

       The  --class  and --classmask arguments can be used to limit the search
       to certain classes of PCI devices.  This is  useful,  for  example,  to
       generate  a  list of ethernet card drivers to be loaded when the kernel
       has indicated that it is trying to resolve an  unknown  network  inter-
       face.

       Modules are listed in the order in which the PCI devices are physically
       arranged so that the computer owner can arrange things like having scsi
       device  0  be on a controller that is not alphabetically the first scsi
       controller.

OPTIONS
       --class class --classmask mask

       --class and --classmask limit the search to  PCI  cards  in  particular
       classes.   These  arguments are always used together.  The arguments to
       --class and --classmask can be given as hexadecimal numbers by  prefix-
       ing  a  leading  "0x".  Note that the classes used by pcimodules are in
       "Linux" format, meaning the class value that you see with  lspci  would
       be  shifted  left  eight  bits, with the new low eight bits programming
       interface ID.  An examples of how to use class and  classmask  is  pro-
       vided below.  --help, -h Print a help message and exit.

EXAMPLES
       pcimodules
              lists  all  modules  corresponding  to  currently plugged in PCI
              devices.

       pcimodules --class 0x20000 --classmask 0xffff00
              lists all modules corresponding to currently plugged in ethernet
              PCI devices.

SEE ALSO
       lspci(8)


MAINTAINER
       The Linux PCI Utilities are maintained by Martin Mares <mj@suse.cz>.


AUTHOR
       pcimodules  was  written by Adam J. Richter <adam@yggdrasil.com>, based
       on public domain example code by Martin Mares <mj@suse.cz>.


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



pciutils-3.1.8                  02 October 2011                  pcimodules(8)
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