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author | njl <njl@FreeBSD.org> | 2005-04-04 15:26:51 +0000 |
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committer | njl <njl@FreeBSD.org> | 2005-04-04 15:26:51 +0000 |
commit | 8a0ce01e9200c604139b76b5addc40a3f6e8dd01 (patch) | |
tree | 2fd7241d62840a6b94ee90132966b761e27bf097 /share/man/man9/devclass_get_drivers.9 | |
parent | d8b17b2eac0bc6aa7fcc63f8f2aed9016c3a885d (diff) | |
download | FreeBSD-src-8a0ce01e9200c604139b76b5addc40a3f6e8dd01.zip FreeBSD-src-8a0ce01e9200c604139b76b5addc40a3f6e8dd01.tar.gz |
Add devclass_get_drivers(9) which provides an array of pointers to driver
instances in a given devclass. This is useful for systems that want to
call code in driver static methods, similar to device_identify().
Reviewed by: dfr
MFC after: 2 weeks
Diffstat (limited to 'share/man/man9/devclass_get_drivers.9')
-rw-r--r-- | share/man/man9/devclass_get_drivers.9 | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/share/man/man9/devclass_get_drivers.9 b/share/man/man9/devclass_get_drivers.9 new file mode 100644 index 0000000..f9561eb --- /dev/null +++ b/share/man/man9/devclass_get_drivers.9 @@ -0,0 +1,57 @@ +.\" -*- nroff -*- +.\" +.\" Copyright (c) 2005 Nate Lawson +.\" +.\" All rights reserved. +.\" +.\" This program is free software. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions +.\" are met: +.\" 1. Redistributions of source code must retain the above copyright +.\" notice, this list of conditions and the following disclaimer. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice, this list of conditions and the following disclaimer in the +.\" documentation and/or other materials provided with the distribution. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY EXPRESS OR +.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES +.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. +.\" IN NO EVENT SHALL THE DEVELOPERS BE LIABLE FOR ANY DIRECT, INDIRECT, +.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT +.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF +.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +.\" +.\" $FreeBSD$ +.\" +.Dd April 3, 2005 +.Dt DEVCLASS_GET_DRIVERS 9 +.Os +.Sh NAME +.Nm devclass_get_drivers +.Nd get a list of drivers in a devclass +.Sh SYNOPSIS +.In sys/param.h +.In sys/bus.h +.Ft int +.Fn devclass_get_drivers "devclass_t dc" "driver_t ***listp" "int *countp" +.Sh DESCRIPTION +Retrieve a list of pointers to all driver instances currently in the +devclass and return the list in +.Fa *listp +and the number of drivers in the list in +.Fa *countp . +The memory allocated for the list should be freed using +.Fn free "*listp" "M_TEMP" . +.Sh RETURN VALUES +Zero is returned on success, otherwise an appropriate error is returned. +.Sh SEE ALSO +.Xr devclass 9 , +.Xr device 9 +.Sh AUTHORS +This man page was written by +.An Nate Lawson . |