From 24c1598929ac4cfd2c0a1e3c34b46a35ed1775bd Mon Sep 17 00:00:00 2001 From: Ian Moffett Date: Mon, 11 Nov 2024 21:14:14 -0500 Subject: kernel: sysctl: Add initial sysctl implementation Signed-off-by: Ian Moffett --- sys/include/sys/sysctl.h | 77 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 77 insertions(+) create mode 100644 sys/include/sys/sysctl.h (limited to 'sys/include') diff --git a/sys/include/sys/sysctl.h b/sys/include/sys/sysctl.h new file mode 100644 index 0000000..364d8e5 --- /dev/null +++ b/sys/include/sys/sysctl.h @@ -0,0 +1,77 @@ +/* + * Copyright (c) 2023-2024 Ian Marco Moffett and the Osmora Team. + * 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. + * 3. Neither the name of Hyra nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT OWNER 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 _SYS_SYSCTL_H_ +#define _SYS_SYSCTL_H_ + +#include +#include + +#define KERN_OSTYPE 0 +#define KERN_OSRELEASE 1 +#define KERN_VERSION 2 + +/* + * Option types (i.e., int, string, etc) for + * sysctl entries. + * + * TODO: Add SYSCTL_OPTYPE_NODE to define sysctl nodes in + * the hierarchy. + */ +#define SYSCTL_OPTYPE_INT_RO 0 +#define SYSCTL_OPTYPE_STR_RO 1 +#define SYSCTL_OPTYPE_INT 2 +#define SYSCTL_OPTYPE_STR 3 + +#if defined(_KERNEL) +struct sysctl_entry { + int enttype; + int optype; + void *data; +}; +#endif /* _KERNEL */ + +/* + * The sysctl entries use an MIB (Management Information Base) style + * naming scheme and follow a hierarchical naming structure. This is + * similar to the structure described in RFC 3418 for the Simple + * Network Management Protocol (SNMP). + */ +struct sysctl_args { + int *name; + int nlen; + void *oldp; + size_t *oldlenp; + void *newp; + size_t newlen; +}; + +int sysctl(struct sysctl_args *args); + +#endif /* !_SYS_SYSCTL_H_ */ -- cgit v1.2.3