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Diffstat (limited to 'include/iprt/linux/version.h')
| -rw-r--r-- | include/iprt/linux/version.h | 205 |
1 files changed, 205 insertions, 0 deletions
diff --git a/include/iprt/linux/version.h b/include/iprt/linux/version.h new file mode 100644 index 00000000..6badeab0 --- /dev/null +++ b/include/iprt/linux/version.h @@ -0,0 +1,205 @@ +/* $Id: version.h $ */ +/** @file + * IPRT - Linux kernel version. + */ + +/* + * Copyright (C) 2006-2022 Oracle and/or its affiliates. + * + * This file is part of VirtualBox base platform packages, as + * available from https://www.virtualbox.org. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, in version 3 of the + * License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see <https://www.gnu.org/licenses>. + * + * The contents of this file may alternatively be used under the terms + * of the Common Development and Distribution License Version 1.0 + * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included + * in the VirtualBox distribution, in which case the provisions of the + * CDDL are applicable instead of those of the GPL. + * + * You may elect to license modified versions of this file under the + * terms and conditions of either the GPL or the CDDL or both. + * + * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0 + */ + +#ifndef IPRT_INCLUDED_linux_version_h +#define IPRT_INCLUDED_linux_version_h +#ifndef RT_WITHOUT_PRAGMA_ONCE +# pragma once +#endif + +#include <linux/version.h> + +/* We need utsrelease.h in order to detect Ubuntu kernel, + * i.e. check if UTS_UBUNTU_RELEASE_ABI is defined. Support kernels + * starting from Ubuntu 14.04 Trusty which is based on upstream + * kernel 3.13.x. */ +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,13,0)) +# include <generated/utsrelease.h> +# include <iprt/cdefs.h> +#endif + +/** @def RTLNX_VER_MIN + * Evaluates to true if the linux kernel version is equal or higher to the + * one specfied. */ +#define RTLNX_VER_MIN(a_Major, a_Minor, a_Patch) \ + (LINUX_VERSION_CODE >= KERNEL_VERSION(a_Major, a_Minor, a_Patch)) + +/** @def RTLNX_VER_MAX + * Evaluates to true if the linux kernel version is less to the one specfied + * (exclusive). */ +#define RTLNX_VER_MAX(a_Major, a_Minor, a_Patch) \ + (LINUX_VERSION_CODE < KERNEL_VERSION(a_Major, a_Minor, a_Patch)) + +/** @def RTLNX_VER_RANGE + * Evaluates to true if the linux kernel version is equal or higher to the given + * minimum version and less (but not equal) to the maximum version (exclusive). */ +#define RTLNX_VER_RANGE(a_MajorMin, a_MinorMin, a_PatchMin, a_MajorMax, a_MinorMax, a_PatchMax) \ + ( LINUX_VERSION_CODE >= KERNEL_VERSION(a_MajorMin, a_MinorMin, a_PatchMin) \ + && LINUX_VERSION_CODE < KERNEL_VERSION(a_MajorMax, a_MinorMax, a_PatchMax) ) + + +/** @def RTLNX_RHEL_MIN + * Require a minium RedHat release. + * @param a_iMajor The major release number (RHEL_MAJOR). + * @param a_iMinor The minor release number (RHEL_MINOR). + * @sa RTLNX_RHEL_MAX, RTLNX_RHEL_RANGE, RTLNX_RHEL_MAJ_PREREQ + */ +#if defined(RHEL_MAJOR) && defined(RHEL_MINOR) +# define RTLNX_RHEL_MIN(a_iMajor, a_iMinor) \ + ((RHEL_MAJOR) > (a_iMajor) || ((RHEL_MAJOR) == (a_iMajor) && (RHEL_MINOR) >= (a_iMinor))) +#else +# define RTLNX_RHEL_MIN(a_iMajor, a_iMinor) (0) +#endif + +/** @def RTLNX_RHEL_MAX + * Require a maximum RedHat release, true for all RHEL versions below it. + * @param a_iMajor The major release number (RHEL_MAJOR). + * @param a_iMinor The minor release number (RHEL_MINOR). + * @sa RTLNX_RHEL_MIN, RTLNX_RHEL_RANGE, RTLNX_RHEL_MAJ_PREREQ + */ +#if defined(RHEL_MAJOR) && defined(RHEL_MINOR) +# define RTLNX_RHEL_MAX(a_iMajor, a_iMinor) \ + ((RHEL_MAJOR) < (a_iMajor) || ((RHEL_MAJOR) == (a_iMajor) && (RHEL_MINOR) < (a_iMinor))) +#else +# define RTLNX_RHEL_MAX(a_iMajor, a_iMinor) (0) +#endif + +/** @def RTLNX_RHEL_RANGE + * Check that it's a RedHat kernel in the given version range. + * The max version is exclusive, the minimum inclusive. + * @sa RTLNX_RHEL_MIN, RTLNX_RHEL_MAX, RTLNX_RHEL_MAJ_PREREQ + */ +#if defined(RHEL_MAJOR) && defined(RHEL_MINOR) +# define RTLNX_RHEL_RANGE(a_iMajorMin, a_iMinorMin, a_iMajorMax, a_iMinorMax) \ + (RTLNX_RHEL_MIN(a_iMajorMin, a_iMinorMin) && RTLNX_RHEL_MAX(a_iMajorMax, a_iMinorMax)) +#else +# define RTLNX_RHEL_RANGE(a_iMajorMin, a_iMinorMin, a_iMajorMax, a_iMinorMax) (0) +#endif + +/** @def RTLNX_RHEL_MAJ_PREREQ + * Require a minimum minor release number for the given RedHat release. + * @param a_iMajor RHEL_MAJOR must _equal_ this. + * @param a_iMinor RHEL_MINOR must be greater or equal to this. + * @sa RTLNX_RHEL_MIN, RTLNX_RHEL_MAX + */ +#if defined(RHEL_MAJOR) && defined(RHEL_MINOR) +# define RTLNX_RHEL_MAJ_PREREQ(a_iMajor, a_iMinor) ((RHEL_MAJOR) == (a_iMajor) && (RHEL_MINOR) >= (a_iMinor)) +#else +# define RTLNX_RHEL_MAJ_PREREQ(a_iMajor, a_iMinor) (0) +#endif + + +/** @def RTLNX_SUSE_MAJ_PREREQ + * Require a minimum minor release number for the given SUSE release. + * @param a_iMajor CONFIG_SUSE_VERSION must _equal_ this. + * @param a_iMinor CONFIG_SUSE_PATCHLEVEL must be greater or equal to this. + */ +#if defined(CONFIG_SUSE_VERSION) && defined(CONFIG_SUSE_PATCHLEVEL) +# define RTLNX_SUSE_MAJ_PREREQ(a_iMajor, a_iMinor) ((CONFIG_SUSE_VERSION) == (a_iMajor) && (CONFIG_SUSE_PATCHLEVEL) >= (a_iMinor)) +#else +# define RTLNX_SUSE_MAJ_PREREQ(a_iMajor, a_iMinor) (0) +#endif + + +#if defined(UTS_UBUNTU_RELEASE_ABI) || defined(DOXYGEN_RUNNING) + +/** Hack to make the UTS_UBUNTU_RELEASE_ABI palatable by the C preprocesor. + * + * While the Ubuntu kernel ABI version looks like a decimal number, some + * kernels has a leading zero (e.g. 050818) that makes the preprocessor think + * it's an octal number. To work around that, we turn it into an hexadecimal + * number by prefixing it with '0x'. */ +# define RTLNX_UBUNTU_ABI(a_iAbi) (RT_CONCAT(0x,a_iAbi)) + +/** @def RTLNX_UBUNTU_ABI_MIN + * Require Ubuntu release ABI to be equal or newer than specified version. + * + * The kernel version should exactly match the specified @a a_iMajor, @a + * a_iMinor and @a a_iPatch. The @a a_iAbi number should be equal to or greater + * than the current ABI version. + * + * @param a_iMajor The major kernel version number. + * @param a_iMinor The minor kernel version number. + * @param a_iPatch The kernel patch level. + * @param a_iAbi Ubuntu kernel ABI version number (inclusive). + */ +# define RTLNX_UBUNTU_ABI_MIN(a_iMajor, a_iMinor, a_iPatch, a_iAbi) \ + ( KERNEL_VERSION(a_iMajor, a_iMinor, a_iPatch) == LINUX_VERSION_CODE \ + && RTLNX_UBUNTU_ABI(UTS_UBUNTU_RELEASE_ABI) >= RTLNX_UBUNTU_ABI(a_iAbi)) + +/** @def RTLNX_UBUNTU_ABI_MAX + * Require Ubuntu release ABI to be older than specified version. + * + * The kernel version should exactly match the specified @a a_iMajor, @a + * a_iMinor and @a a_iPatch. The @a a_iAbi number should be less than the + * current ABI version. + * + * @param a_iMajor The major kernel version number. + * @param a_iMinor The minor kernel version number. + * @param a_iPatch The kernel patch level. + * @param a_iAbi Ubuntu kernel ABI version number (exclusive). + */ +# define RTLNX_UBUNTU_ABI_MAX(a_iMajor, a_iMinor, a_iPatch, a_iAbi) \ + ( KERNEL_VERSION(a_iMajor, a_iMinor, a_iPatch) == LINUX_VERSION_CODE \ + && RTLNX_UBUNTU_ABI(UTS_UBUNTU_RELEASE_ABI) < RTLNX_UBUNTU_ABI(a_iAbi)) + +/** @def RTLNX_UBUNTU_ABI_RANGE + * Require Ubuntu release ABI to be in specified range. + * + * The kernel version should exactly match the specified @a a_iMajor, @a + * a_iMinor and @a a_iPatch. The numbers @a a_iAbiMin and @a a_iAbiMax specify + * ABI versions range. The max ABI version is exclusive, the minimum inclusive. + * + * @param a_iMajor The major kernel version number. + * @param a_iMinor The minor kernel version number. + * @param a_iPatch The kernel patch level. + * @param a_iAbiMin The minimum Ubuntu kernel ABI version number (inclusive). + * @param a_iAbiMax The maximum Ubuntu kernel ABI version number (exclusive). + */ +# define RTLNX_UBUNTU_ABI_RANGE(a_iMajor, a_iMinor, a_iPatch, a_iAbiMin, a_iAbiMax) \ + ( RTLNX_UBUNTU_ABI_MIN(a_iMajor, a_iMinor, a_iPatch, a_iAbiMin) \ + && RTLNX_UBUNTU_ABI_MAX(a_iMajor, a_iMinor, a_iPatch, a_iAbiMax)) + +#else /* !UTS_UBUNTU_RELEASE_ABI */ + +# define RTLNX_UBUNTU_ABI_MIN(a_iMajor, a_iMinor, a_iPatch, a_iAbi) (0) +# define RTLNX_UBUNTU_ABI_MAX(a_iMajor, a_iMinor, a_iPatch, a_iAbi) (0) +# define RTLNX_UBUNTU_ABI_RANGE(a_iMajorMin, a_iMinorMin, a_iPatchMin, a_iAbiMin, a_iAbiMax) (0) + +#endif /* !UTS_UBUNTU_RELEASE_ABI */ + +#endif /* !IPRT_INCLUDED_linux_version_h */ + |