66 lines
2.2 KiB
C
66 lines
2.2 KiB
C
/* $Id: VBoxLnxModInline.h $ */
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/** @file
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* A common code for VirtualBox Linux kernel modules.
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*/
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/*
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* Copyright (C) 2006-2024 Oracle and/or its affiliates.
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use,
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* copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following
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* conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef VBOX_INCLUDED_VBoxLnxModInline_h
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#define VBOX_INCLUDED_VBoxLnxModInline_h
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#ifndef RT_WITHOUT_PRAGMA_ONCE
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# pragma once
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#endif
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# include <linux/module.h>
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# include <linux/types.h>
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/** Disable automatic module loading. */
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static int g_fDisabled = -1;
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MODULE_PARM_DESC(disabled, "Disable automatic module loading");
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module_param_named(disabled, g_fDisabled, int, 0400);
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/**
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* Check if module loading was explicitly disabled.
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*
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* Usually module loading can be disabled by
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* specifying mod_name.disabled=1 in kernel command line.
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*
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* @returns True if modules loading was disabled, False otherwise.
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*/
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static inline bool vbox_mod_should_load(void)
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{
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bool fShouldLoad = (g_fDisabled != 1);
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/* Print message into dmesg log if module loading was disabled. */
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if (!fShouldLoad)
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printk(KERN_WARNING "%s: automatic module loading disabled in kernel command line\n",
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module_name(THIS_MODULE));
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return fShouldLoad;
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}
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#endif /* !VBOX_INCLUDED_VBoxLnxModInline_h */
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