06ca64ecf3
Linux module parameters have a permissions value. If any write bits are set we are allowed to modify the module parameter runtime. Reflect this when creating the static SYSCTL nodes. Sponsored by: Mellanox Technologies MFC after: 1 week
131 lines
5.2 KiB
C
131 lines
5.2 KiB
C
/*-
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* Copyright (c) 2010 Isilon Systems, Inc.
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* Copyright (c) 2010 iX Systems, Inc.
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* Copyright (c) 2010 Panasas, Inc.
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* Copyright (c) 2013-2016 Mellanox Technologies, Ltd.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice unmodified, this list of conditions, and the following
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* disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _LINUX_MODULEPARAM_H_
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#define _LINUX_MODULEPARAM_H_
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#include <sys/types.h>
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#include <sys/sysctl.h>
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#include <linux/types.h>
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#ifndef LINUXKPI_PARAM_PARENT
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#define LINUXKPI_PARAM_PARENT _compat_linuxkpi
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#endif
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#ifndef LINUXKPI_PARAM_PREFIX
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#define LINUXKPI_PARAM_PREFIX /* empty prefix is the default */
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#endif
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#ifndef LINUXKPI_PARAM_PERM
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#define LINUXKPI_PARAM_PERM(perm) (((perm) & 0222) ? CTLFLAG_RWTUN : CTLFLAG_RDTUN)
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#endif
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#define LINUXKPI_PARAM_CONCAT_SUB(a,b,c,d) a##b##c##d
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#define LINUXKPI_PARAM_CONCAT(...) LINUXKPI_PARAM_CONCAT_SUB(__VA_ARGS__)
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#define LINUXKPI_PARAM_PASS(...) __VA_ARGS__
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#define LINUXKPI_PARAM_DESC(name) LINUXKPI_PARAM_CONCAT(linuxkpi_,LINUXKPI_PARAM_PREFIX,name,_desc)
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#define LINUXKPI_PARAM_NAME(name) LINUXKPI_PARAM_CONCAT(LINUXKPI_PARAM_PREFIX,name,,)
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#define LINUXKPI_PARAM_bool(name, var, perm) \
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extern const char LINUXKPI_PARAM_DESC(name)[]; \
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LINUXKPI_PARAM_PASS(SYSCTL_BOOL(LINUXKPI_PARAM_PARENT, OID_AUTO,\
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LINUXKPI_PARAM_NAME(name), LINUXKPI_PARAM_PERM(perm), &(var), 0, \
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LINUXKPI_PARAM_DESC(name)))
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#define LINUXKPI_PARAM_byte(name, var, perm) \
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extern const char LINUXKPI_PARAM_DESC(name)[]; \
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LINUXKPI_PARAM_PASS(SYSCTL_U8(LINUXKPI_PARAM_PARENT, OID_AUTO, \
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LINUXKPI_PARAM_NAME(name), LINUXKPI_PARAM_PERM(perm), &(var), 0, \
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LINUXKPI_PARAM_DESC(name)))
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#define LINUXKPI_PARAM_short(name, var, perm) \
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extern const char LINUXKPI_PARAM_DESC(name)[]; \
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LINUXKPI_PARAM_PASS(SYSCTL_S16(LINUXKPI_PARAM_PARENT, OID_AUTO, \
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LINUXKPI_PARAM_NAME(name), LINUXKPI_PARAM_PERM(perm), &(var), 0, \
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LINUXKPI_PARAM_DESC(name)))
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#define LINUXKPI_PARAM_ushort(name, var, perm) \
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extern const char LINUXKPI_PARAM_DESC(name)[]; \
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LINUXKPI_PARAM_PASS(SYSCTL_U16(LINUXKPI_PARAM_PARENT, OID_AUTO, \
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LINUXKPI_PARAM_NAME(name), LINUXKPI_PARAM_PERM(perm), &(var), 0, \
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LINUXKPI_PARAM_DESC(name)))
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#define LINUXKPI_PARAM_int(name, var, perm) \
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extern const char LINUXKPI_PARAM_DESC(name)[]; \
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LINUXKPI_PARAM_PASS(SYSCTL_INT(LINUXKPI_PARAM_PARENT, OID_AUTO, \
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LINUXKPI_PARAM_NAME(name), LINUXKPI_PARAM_PERM(perm), &(var), 0,\
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LINUXKPI_PARAM_DESC(name)))
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#define LINUXKPI_PARAM_uint(name, var, perm) \
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extern const char LINUXKPI_PARAM_DESC(name)[]; \
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LINUXKPI_PARAM_PASS(SYSCTL_UINT(LINUXKPI_PARAM_PARENT, OID_AUTO, \
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LINUXKPI_PARAM_NAME(name), LINUXKPI_PARAM_PERM(perm), &(var), 0, \
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LINUXKPI_PARAM_DESC(name)))
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#define LINUXKPI_PARAM_long(name, var, perm) \
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extern const char LINUXKPI_PARAM_DESC(name)[]; \
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LINUXKPI_PARAM_PASS(SYSCTL_LONG(LINUXKPI_PARAM_PARENT, OID_AUTO, \
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LINUXKPI_PARAM_NAME(name), LINUXKPI_PARAM_PERM(perm), &(var), 0, \
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LINUXKPI_PARAM_DESC(name)))
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#define LINUXKPI_PARAM_ulong(name, var, perm) \
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extern const char LINUXKPI_PARAM_DESC(name)[]; \
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LINUXKPI_PARAM_PASS(SYSCTL_ULONG(LINUXKPI_PARAM_PARENT, OID_AUTO, \
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LINUXKPI_PARAM_NAME(name), LINUXKPI_PARAM_PERM(perm), &(var), 0, \
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LINUXKPI_PARAM_DESC(name)))
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#define module_param_string(name, str, len, perm) \
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extern const char LINUXKPI_PARAM_DESC(name)[]; \
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LINUXKPI_PARAM_PASS(SYSCTL_STRING(LINUXKPI_PARAM_PARENT, OID_AUTO, \
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LINUXKPI_PARAM_NAME(name), LINUXKPI_PARAM_PERM(perm), (str), (len), \
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LINUXKPI_PARAM_DESC(name)))
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#define module_param_named(name, var, type, mode) \
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LINUXKPI_PARAM_##type(name, var, mode)
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#define module_param(var, type, mode) \
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LINUXKPI_PARAM_##type(var, var, mode)
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#define module_param_named_unsafe(name, var, type, mode) \
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LINUXKPI_PARAM_##type(name, var, mode)
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#define module_param_unsafe(var, type, mode) \
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LINUXKPI_PARAM_##type(var, var, mode)
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#define module_param_array(var, type, addr_argc, mode)
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#define MODULE_PARM_DESC(name, desc) \
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const char LINUXKPI_PARAM_DESC(name)[] = { desc }
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SYSCTL_DECL(_compat_linuxkpi);
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#endif /* _LINUX_MODULEPARAM_H_ */
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