2 * Copyright (c) 2001 Marcel Moolenaar
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer
10 * in this position and unchanged.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 * $FreeBSD: src/sys/compat/linux/linux_sysctl.c,v 1.2.2.1 2001/10/21 03:57:35 marcel Exp $
29 * $DragonFly: src/sys/emulation/linux/linux_sysctl.c,v 1.9 2006/12/23 00:27:02 swildner Exp $
32 #include "opt_compat.h"
34 #include <sys/param.h>
35 #include <sys/systm.h>
37 #include <sys/sysproto.h>
39 #include <arch_linux/linux.h>
40 #include <arch_linux/linux_proto.h>
41 #include "linux_util.h"
43 #define LINUX_CTL_KERN 1
44 #define LINUX_CTL_VM 2
45 #define LINUX_CTL_NET 3
46 #define LINUX_CTL_PROC 4
47 #define LINUX_CTL_FS 5
48 #define LINUX_CTL_DEBUG 6
49 #define LINUX_CTL_DEV 7
50 #define LINUX_CTL_BUS 8
53 #define LINUX_KERN_OSTYPE 1
54 #define LINUX_KERN_OSRELEASE 2
55 #define LINUX_KERN_OSREV 3
56 #define LINUX_KERN_VERSION 4
59 handle_string(struct l___sysctl_args *la, char *value)
63 if (la->oldval != NULL) {
64 l_int len = strlen(value);
65 error = copyout(value, la->oldval, len + 1);
66 if (!error && la->oldlenp != NULL)
67 error = copyout(&len, la->oldlenp, sizeof(len));
72 if (la->newval != NULL)
79 sys_linux_sysctl(struct linux_sysctl_args *args)
81 struct l___sysctl_args la;
85 error = copyin((caddr_t)args->args, &la, sizeof(la));
89 if (la.nlen <= 0 || la.nlen > LINUX_CTL_MAXNAME)
92 mib = kmalloc(la.nlen * sizeof(l_int), M_TEMP, M_WAITOK);
93 error = copyin(la.name, mib, la.nlen * sizeof(l_int));
105 case LINUX_KERN_VERSION:
107 return (handle_string(&la, version));
116 kprintf("linux: sysctl: unhandled name=");
117 for (i = 0; i < la.nlen; i++)
118 kprintf("%c%d", (i) ? ',' : '{', mib[i]);