diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-16 22:55:52 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-16 22:55:52 +0000 |
commit | cd47c2446f1a9dee96610f298989848f8986a8be (patch) | |
tree | 02c30d62a9164987d0aaba2f72c58a50053205d6 /include/VBox/VBoxLnxModInline.h | |
parent | Releasing progress-linux version 7.0.14-dfsg-4~progress7.99u1. (diff) | |
download | virtualbox-cd47c2446f1a9dee96610f298989848f8986a8be.tar.xz virtualbox-cd47c2446f1a9dee96610f298989848f8986a8be.zip |
Merging upstream version 7.0.16-dfsg.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | include/VBox/VBoxLnxModInline.h | 66 |
1 files changed, 66 insertions, 0 deletions
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 <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 */ + |