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freebsd/sys/dev/lindev/lindev.c
Bjoern A. Zeeb 4507f02e0e lindev(4) [1] is supposed to be a collection of linux-specific pseudo
devices that we also support, just not by default (thus only LINT or
module builds by default).

While currently there is only "/dev/full" [2], we are planning to see more
in the future.  We may decide to change the module/dependency logic in the
future should the list grow too long.

This is not part of linux.ko as also non-linux binaries like kFreeBSD
userland or ports can make use of this as well.

Suggested by:	rwatson [1] (name)
Submitted by:	ed [2]
Discussed with:	markm, ed, rwatson, kib (weeks ago)
Reviewed by:	rwatson, brueffer (prev. version)
PR:		kern/68961
MFC after:	6 weeks
2009-09-26 12:45:28 +00:00

74 lines
2.3 KiB
C

/*-
* Copyright (c) 2009 "Bjoern A. Zeeb" <bz@FreeBSD.org>
* All rights reserved.
*
* 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 AUTHOR AND CONTRIBUTORS ``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 AUTHOR OR CONTRIBUTORS 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.
*/
/*
* "lindev" is supposed to be a collection of linux-specific devices
* that we also support, just not by default.
* While currently there is only "/dev/full", we are planning to see
* more in the future.
* This file is only the container to load/unload all supported devices;
* the implementation of each should go into its own file.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/conf.h>
#include <sys/kernel.h>
#include <sys/module.h>
#include <dev/lindev/lindev.h>
/* ARGSUSED */
static int
lindev_modevent(module_t mod, int type, void *data)
{
int error;
switch(type) {
case MOD_LOAD:
error = lindev_modevent_full(mod, type, data);
break;
case MOD_UNLOAD:
error = lindev_modevent_full(mod, type, data);
break;
case MOD_SHUTDOWN:
error = lindev_modevent_full(mod, type, data);
break;
default:
return (EOPNOTSUPP);
}
return (error);
}
DEV_MODULE(lindev, lindev_modevent, NULL);
MODULE_VERSION(lindev, 1);