1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
|
/* $Id: VBoxLnxModInline.h $ */
/** @file
* A common code for VirtualBox Linux kernel modules.
*/
/*
* Copyright (C) 2006-2024 Oracle and/or its affiliates.
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following
* conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef VBOX_INCLUDED_VBoxLnxModInline_h
#define VBOX_INCLUDED_VBoxLnxModInline_h
#ifndef RT_WITHOUT_PRAGMA_ONCE
# pragma once
#endif
# include <linux/module.h>
# include <linux/types.h>
/** Disable automatic module loading. */
static int g_fDisabled = -1;
MODULE_PARM_DESC(disabled, "Disable automatic module loading");
module_param_named(disabled, g_fDisabled, int, 0400);
/**
* Check if module loading was explicitly disabled.
*
* Usually module loading can be disabled by
* specifying mod_name.disabled=1 in kernel command line.
*
* @returns True if modules loading was disabled, False otherwise.
*/
static inline bool vbox_mod_should_load(void)
{
bool fShouldLoad = (g_fDisabled != 1);
/* Print message into dmesg log if module loading was disabled. */
if (!fShouldLoad)
printk(KERN_WARNING "%s: automatic module loading disabled in kernel command line\n",
module_name(THIS_MODULE));
return fShouldLoad;
}
#endif /* !VBOX_INCLUDED_VBoxLnxModInline_h */
|
