1*040b6754SFrançois Tigeot /* 2*040b6754SFrançois Tigeot * Copyright (c) 2020 François Tigeot <ftigeot@wolfpond.org> 372c6c9b8SFrançois Tigeot * All rights reserved. 472c6c9b8SFrançois Tigeot * 572c6c9b8SFrançois Tigeot * Redistribution and use in source and binary forms, with or without 672c6c9b8SFrançois Tigeot * modification, are permitted provided that the following conditions 772c6c9b8SFrançois Tigeot * are met: 872c6c9b8SFrançois Tigeot * 1. Redistributions of source code must retain the above copyright 972c6c9b8SFrançois Tigeot * notice unmodified, this list of conditions, and the following 1072c6c9b8SFrançois Tigeot * disclaimer. 1172c6c9b8SFrançois Tigeot * 2. Redistributions in binary form must reproduce the above copyright 1272c6c9b8SFrançois Tigeot * notice, this list of conditions and the following disclaimer in the 1372c6c9b8SFrançois Tigeot * documentation and/or other materials provided with the distribution. 1472c6c9b8SFrançois Tigeot * 1572c6c9b8SFrançois Tigeot * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 1672c6c9b8SFrançois Tigeot * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 1772c6c9b8SFrançois Tigeot * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 1872c6c9b8SFrançois Tigeot * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 1972c6c9b8SFrançois Tigeot * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 2072c6c9b8SFrançois Tigeot * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 2172c6c9b8SFrançois Tigeot * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 2272c6c9b8SFrançois Tigeot * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 2372c6c9b8SFrançois Tigeot * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 2472c6c9b8SFrançois Tigeot * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 2572c6c9b8SFrançois Tigeot */ 2672c6c9b8SFrançois Tigeot 2772c6c9b8SFrançois Tigeot #ifndef _LINUX_MODULEPARAM_H_ 2872c6c9b8SFrançois Tigeot #define _LINUX_MODULEPARAM_H_ 2972c6c9b8SFrançois Tigeot 3039cfddd2SFrançois Tigeot #include <linux/init.h> 3139cfddd2SFrançois Tigeot #include <linux/stringify.h> 3239cfddd2SFrançois Tigeot #include <linux/kernel.h> 3372c6c9b8SFrançois Tigeot 3472c6c9b8SFrançois Tigeot #define MODULE_PARM_DESC(name, desc) 3572c6c9b8SFrançois Tigeot 36*040b6754SFrançois Tigeot #define _TUNABLE_PREFIX __stringify(KBUILD_MODNAME) 37*040b6754SFrançois Tigeot #define _TUNABLE_VAR(name) _TUNABLE_PREFIX#name 3872c6c9b8SFrançois Tigeot 39*040b6754SFrançois Tigeot #define TUNABLE_int(name, var) TUNABLE_INT( _TUNABLE_VAR(.name), &(var)) 4072c6c9b8SFrançois Tigeot 41*040b6754SFrançois Tigeot #define TUNABLE_bool(name, var) TUNABLE_INT( _TUNABLE_VAR(.name), (int *)&(var)) 4272c6c9b8SFrançois Tigeot 43*040b6754SFrançois Tigeot #define TUNABLE_uint(name, var) TUNABLE_INT( _TUNABLE_VAR(.name), (int *)&(var)) 4472c6c9b8SFrançois Tigeot 45*040b6754SFrançois Tigeot #define TUNABLE_charp(name, var) /* kgetenv() could be useful here */ 4672c6c9b8SFrançois Tigeot 47*040b6754SFrançois Tigeot #define module_param(var, type, mode) \ 48*040b6754SFrançois Tigeot TUNABLE_##type(name, var) 4972c6c9b8SFrançois Tigeot 50*040b6754SFrançois Tigeot #define module_param_unsafe(var, type, mode) module_param(var, type, mode) 5172c6c9b8SFrançois Tigeot 52*040b6754SFrançois Tigeot #define module_param_named(name, var, type, mode) \ 53*040b6754SFrançois Tigeot TUNABLE_##type(name, var) 5472c6c9b8SFrançois Tigeot 55*040b6754SFrançois Tigeot #define module_param_named_unsafe(name, var, type, mode) \ 56*040b6754SFrançois Tigeot TUNABLE_##type((name), (var)) 5772c6c9b8SFrançois Tigeot 5872c6c9b8SFrançois Tigeot #endif /* _LINUX_MODULEPARAM_H_ */ 59