1/*- 2 * Copyright (c) 2010 Isilon Systems, Inc. 3 * Copyright (c) 2010 iX Systems, Inc. 4 * Copyright (c) 2010 Panasas, Inc. 5 * Copyright (c) 2013-2016 Mellanox Technologies, Ltd. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice unmodified, this list of conditions, and the following 13 * disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29#ifndef _LINUXKPI_LINUX_MODULEPARAM_H_ 30#define _LINUXKPI_LINUX_MODULEPARAM_H_ 31 32#include <sys/types.h> 33#include <sys/sysctl.h> 34 35#include <linux/types.h> 36 37#ifndef LINUXKPI_PARAM_PARENT 38#define LINUXKPI_PARAM_PARENT _compat_linuxkpi 39#endif 40 41#ifndef LINUXKPI_PARAM_PREFIX 42#define LINUXKPI_PARAM_PREFIX /* empty prefix is the default */ 43#endif 44 45#ifndef LINUXKPI_PARAM_PERM 46#define LINUXKPI_PARAM_PERM(perm) (((perm) & 0222) ? CTLFLAG_RWTUN : CTLFLAG_RDTUN) 47#endif 48 49#define LINUXKPI_PARAM_CONCAT_SUB(a,b,c,d) a##b##c##d 50#define LINUXKPI_PARAM_CONCAT(...) LINUXKPI_PARAM_CONCAT_SUB(__VA_ARGS__) 51#define LINUXKPI_PARAM_PASS(...) __VA_ARGS__ 52#define LINUXKPI_PARAM_DESC(name) LINUXKPI_PARAM_CONCAT(linuxkpi_,LINUXKPI_PARAM_PREFIX,name,_desc) 53#define LINUXKPI_PARAM_NAME(name) LINUXKPI_PARAM_CONCAT(LINUXKPI_PARAM_PREFIX,name,,) 54 55#define LINUXKPI_PARAM_bool(name, var, perm) \ 56 extern const char LINUXKPI_PARAM_DESC(name)[]; \ 57 LINUXKPI_PARAM_PASS(SYSCTL_BOOL(LINUXKPI_PARAM_PARENT, OID_AUTO,\ 58 LINUXKPI_PARAM_NAME(name), LINUXKPI_PARAM_PERM(perm), &(var), 0, \ 59 LINUXKPI_PARAM_DESC(name))) 60 61#define LINUXKPI_PARAM_byte(name, var, perm) \ 62 extern const char LINUXKPI_PARAM_DESC(name)[]; \ 63 LINUXKPI_PARAM_PASS(SYSCTL_U8(LINUXKPI_PARAM_PARENT, OID_AUTO, \ 64 LINUXKPI_PARAM_NAME(name), LINUXKPI_PARAM_PERM(perm), &(var), 0, \ 65 LINUXKPI_PARAM_DESC(name))) 66 67#define LINUXKPI_PARAM_short(name, var, perm) \ 68 extern const char LINUXKPI_PARAM_DESC(name)[]; \ 69 LINUXKPI_PARAM_PASS(SYSCTL_S16(LINUXKPI_PARAM_PARENT, OID_AUTO, \ 70 LINUXKPI_PARAM_NAME(name), LINUXKPI_PARAM_PERM(perm), &(var), 0, \ 71 LINUXKPI_PARAM_DESC(name))) 72 73#define LINUXKPI_PARAM_ushort(name, var, perm) \ 74 extern const char LINUXKPI_PARAM_DESC(name)[]; \ 75 LINUXKPI_PARAM_PASS(SYSCTL_U16(LINUXKPI_PARAM_PARENT, OID_AUTO, \ 76 LINUXKPI_PARAM_NAME(name), LINUXKPI_PARAM_PERM(perm), &(var), 0, \ 77 LINUXKPI_PARAM_DESC(name))) 78 79#define LINUXKPI_PARAM_int(name, var, perm) \ 80 extern const char LINUXKPI_PARAM_DESC(name)[]; \ 81 LINUXKPI_PARAM_PASS(SYSCTL_INT(LINUXKPI_PARAM_PARENT, OID_AUTO, \ 82 LINUXKPI_PARAM_NAME(name), LINUXKPI_PARAM_PERM(perm), &(var), 0,\ 83 LINUXKPI_PARAM_DESC(name))) 84 85#define LINUXKPI_PARAM_uint(name, var, perm) \ 86 extern const char LINUXKPI_PARAM_DESC(name)[]; \ 87 LINUXKPI_PARAM_PASS(SYSCTL_UINT(LINUXKPI_PARAM_PARENT, OID_AUTO, \ 88 LINUXKPI_PARAM_NAME(name), LINUXKPI_PARAM_PERM(perm), &(var), 0, \ 89 LINUXKPI_PARAM_DESC(name))) 90 91#define LINUXKPI_PARAM_bint(name, var, perm) \ 92 LINUXKPI_PARAM_int(name, var, perm) 93 94#define LINUXKPI_PARAM_hexint(name, var, perm) \ 95 extern const char LINUXKPI_PARAM_DESC(name)[]; \ 96 LINUXKPI_PARAM_PASS(SYSCTL_UINT(LINUXKPI_PARAM_PARENT, OID_AUTO, \ 97 LINUXKPI_PARAM_NAME(name), LINUXKPI_PARAM_PERM(perm), &(var), 0, \ 98 LINUXKPI_PARAM_DESC(name))) 99 100#define LINUXKPI_PARAM_long(name, var, perm) \ 101 extern const char LINUXKPI_PARAM_DESC(name)[]; \ 102 LINUXKPI_PARAM_PASS(SYSCTL_LONG(LINUXKPI_PARAM_PARENT, OID_AUTO, \ 103 LINUXKPI_PARAM_NAME(name), LINUXKPI_PARAM_PERM(perm), &(var), 0, \ 104 LINUXKPI_PARAM_DESC(name))) 105 106#define LINUXKPI_PARAM_ulong(name, var, perm) \ 107 extern const char LINUXKPI_PARAM_DESC(name)[]; \ 108 LINUXKPI_PARAM_PASS(SYSCTL_ULONG(LINUXKPI_PARAM_PARENT, OID_AUTO, \ 109 LINUXKPI_PARAM_NAME(name), LINUXKPI_PARAM_PERM(perm), &(var), 0, \ 110 LINUXKPI_PARAM_DESC(name))) 111 112#define LINUXKPI_PARAM_charp(name, var, perm) \ 113 extern const char LINUXKPI_PARAM_DESC(name)[]; \ 114 LINUXKPI_PARAM_PASS(SYSCTL_STRING(LINUXKPI_PARAM_PARENT, OID_AUTO, \ 115 LINUXKPI_PARAM_NAME(name), LINUXKPI_PARAM_PERM(perm), &(var), 0, \ 116 LINUXKPI_PARAM_DESC(name))) 117 118#define module_param_string(name, str, len, perm) \ 119 extern const char LINUXKPI_PARAM_DESC(name)[]; \ 120 LINUXKPI_PARAM_PASS(SYSCTL_STRING(LINUXKPI_PARAM_PARENT, OID_AUTO, \ 121 LINUXKPI_PARAM_NAME(name), LINUXKPI_PARAM_PERM(perm), (str), (len), \ 122 LINUXKPI_PARAM_DESC(name))) 123 124#define module_param_named(name, var, type, mode) \ 125 LINUXKPI_PARAM_##type(name, var, mode) 126 127#define module_param(var, type, mode) \ 128 LINUXKPI_PARAM_##type(var, var, mode) 129 130#define module_param_named_unsafe(name, var, type, mode) \ 131 LINUXKPI_PARAM_##type(name, var, mode) 132 133#define module_param_unsafe(var, type, mode) \ 134 LINUXKPI_PARAM_##type(var, var, mode) 135 136#define module_param_array(var, type, addr_argc, mode) 137 138#define MODULE_PARM_DESC(name, desc) \ 139 const char LINUXKPI_PARAM_DESC(name)[] = { desc } 140 141#define kernel_param_lock(...) do {} while (0) 142#define kernel_param_unlock(...) do {} while (0) 143 144SYSCTL_DECL(_compat_linuxkpi); 145 146#endif /* _LINUXKPI_LINUX_MODULEPARAM_H_ */ 147