2015-10-15 10:25:28 +02:00

60 lines
2.2 KiB
C

/* $NetBSD: moduleparam.h,v 1.5 2015/02/25 14:00:52 riastradh Exp $ */
/*-
* Copyright (c) 2013 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Taylor R. Campbell.
*
* 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
*/
#ifndef _LINUX_MODULEPARAM_H_
#define _LINUX_MODULEPARAM_H_
#include <sys/types.h>
struct linux_module_param_info {
const char *dname; // Name used for description
const char *name; // Name for sysctl
void *ptr; // Pointer to variable value
int type; // MTYPE_
mode_t mode; // 600 (rw) or 400 (r)
};
#define MTYPE_int 0
#define MTYPE_bool 1
#define MTYPE_charp 2
#define module_param_named(NAME, VAR, TYPE, MODE) \
static __attribute__((__used__)) struct linux_module_param_info info_ ## NAME = { \
.dname = # NAME, \
.name = # VAR, \
.ptr = & VAR, \
.type = MTYPE_ ## TYPE, \
.mode = MODE, \
}; \
__link_set_add_data(linux_module_param_info, info_ ## NAME)
#endif /* _LINUX_MODULEPARAM_H_ */