From 04aecf1372d30eb709d8de65152535ab66dcb74a Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 00:55:45 +0200 Subject: Adding upstream version 7.0.16-dfsg. Signed-off-by: Daniel Baumann --- include/VBox/VBoxLnxModInline.h | 66 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 66 insertions(+) create mode 100644 include/VBox/VBoxLnxModInline.h (limited to 'include/VBox/VBoxLnxModInline.h') diff --git a/include/VBox/VBoxLnxModInline.h b/include/VBox/VBoxLnxModInline.h new file mode 100644 index 00000000..3b0e115d --- /dev/null +++ b/include/VBox/VBoxLnxModInline.h @@ -0,0 +1,66 @@ +/* $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 +# include + +/** 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 */ + -- cgit v1.2.3