1.\" $NetBSD: modload.8,v 1.40 2010/12/14 16:23:59 jruoho Exp $ 2.\" 3.\" Copyright (c) 1993 Christopher G. Demetriou 4.\" All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: 9.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice, this list of conditions and the following disclaimer in the 13.\" documentation and/or other materials provided with the distribution. 14.\" 3. All advertising materials mentioning features or use of this software 15.\" must display the following acknowledgement: 16.\" This product includes software developed for the 17.\" NetBSD Project. See http://www.NetBSD.org/ for 18.\" information about NetBSD. 19.\" 4. The name of the author may not be used to endorse or promote products 20.\" derived from this software without specific prior written permission. 21.\" 22.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 26.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 27.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 31.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32.\" 33.\" <<Id: LICENSE,v 1.2 2000/06/14 15:57:33 cgd Exp>> 34.\" 35.Dd December 14, 2010 36.Dt MODLOAD 8 37.Os 38.Sh NAME 39.Nm modload 40.Nd load a kernel module 41.Sh SYNOPSIS 42.Nm 43.Op Fl fP 44.Op Fl b Ar var=boolean 45.Op Fl i Ar var=integer 46.Op Fl s Ar var=string 47.Ar module 48.Nm 49.Fl p 50.Op Fl b Ar var=boolean 51.Op Fl d Ar var 52.Op Fl i Ar var=integer 53.Op Fl m Ar plist 54.Op Fl s Ar var=string 55.Sh DESCRIPTION 56The 57.Nm 58utility loads a kernel module specified by the 59.Ar module 60paramamter into the running system. 61.Pp 62The current working directory is first searched for the module object file. 63If not found there, the default system module areas are searched. 64.Pp 65The options to 66.Nm 67are as follows: 68.Bl -tag -width xbxvarxbooleanx 69.It Fl b Ar var=boolean 70Pass the module a boolean property with the name 71.Ar var . 72.Ar boolean 73may be either 74.Dv true 75or 76.Dv false . 77.It Fl d Ar var 78When used in conjuction with 79.Fl m , 80delete 81.Ar var 82from the 83.Ar plist 84specified. 85.It Fl f 86When a module is loaded, the kernel checks if the module is compatible 87with the running kernel and will refuse to load modules that are 88potentially incompatible. 89This option disables compatibility checks. 90.Em Note : 91an incompatible module can cause system instability, including data 92loss or corruption. 93.Pp 94This option is also required for re-enabling a builtin module that 95was disabled using 96.Xr modunload 8 . 97.It Fl i Ar var=integer 98Pass the module an integer property with the name 99.Ar var 100and integral value 101.Ar integer . 102.It Fl m Ar plist 103When used in conjuction with 104.Fl p , 105merge new options with an existing property list contained in 106.Ar plist . 107.It Fl P 108This option tells the kernel not to load an associated property list. 109.It Fl p 110Output a property list suitable for loading along with a module. 111When using this option, you do not need to specify a module. 112Use 113.Fl m 114and 115.Fl d 116to read and modify an existing property list. 117.It Fl s Ar var=string 118Pass the module a string property with the name 119.Ar var 120and string value 121.Ar string . 122.El 123.Sh DIAGNOSTICS 124The 125.Nm 126utility exits with a status of 0 on success 127and with a nonzero status if an error occurs. 128.Sh SEE ALSO 129.Xr module 7 , 130.Xr modstat 8 , 131.Xr modunload 8 132.Sh HISTORY 133The 134.Nm 135command was designed to be similar in functionality 136to the corresponding command in 137.Tn "SunOS 4.1.3" . 138