| 1 | /* $Id: version.h 98103 2023-01-17 14:15:46Z vboxsync $ */
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| 2 | /** @file
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| 3 | * IPRT - Linux kernel version.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2006-2023 Oracle and/or its affiliates.
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| 8 | *
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| 9 | * This file is part of VirtualBox base platform packages, as
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| 10 | * available from https://www.virtualbox.org.
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| 11 | *
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| 12 | * This program is free software; you can redistribute it and/or
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| 13 | * modify it under the terms of the GNU General Public License
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| 14 | * as published by the Free Software Foundation, in version 3 of the
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| 15 | * License.
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| 16 | *
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| 17 | * This program is distributed in the hope that it will be useful, but
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| 18 | * WITHOUT ANY WARRANTY; without even the implied warranty of
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| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 20 | * General Public License for more details.
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| 21 | *
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| 22 | * You should have received a copy of the GNU General Public License
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| 23 | * along with this program; if not, see <https://www.gnu.org/licenses>.
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| 24 | *
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| 25 | * The contents of this file may alternatively be used under the terms
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| 26 | * of the Common Development and Distribution License Version 1.0
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| 27 | * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
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| 28 | * in the VirtualBox distribution, in which case the provisions of the
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| 29 | * CDDL are applicable instead of those of the GPL.
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| 30 | *
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| 31 | * You may elect to license modified versions of this file under the
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| 32 | * terms and conditions of either the GPL or the CDDL or both.
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| 33 | *
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| 34 | * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
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| 35 | */
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| 36 |
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| 37 | #ifndef IPRT_INCLUDED_linux_version_h
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| 38 | #define IPRT_INCLUDED_linux_version_h
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| 39 | #ifndef RT_WITHOUT_PRAGMA_ONCE
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| 40 | # pragma once
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| 41 | #endif
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| 42 |
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| 43 | #include <linux/version.h>
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| 44 |
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| 45 | /* We need utsrelease.h in order to detect Ubuntu kernel,
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| 46 | * i.e. check if UTS_UBUNTU_RELEASE_ABI is defined. Support kernels
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| 47 | * starting from Ubuntu 14.04 Trusty which is based on upstream
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| 48 | * kernel 3.13.x. */
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| 49 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,13,0))
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| 50 | # include <generated/utsrelease.h>
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| 51 | # include <iprt/cdefs.h>
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| 52 | #endif
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| 53 |
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| 54 | /** @def RTLNX_VER_MIN
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| 55 | * Evaluates to true if the linux kernel version is equal or higher to the
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| 56 | * one specfied. */
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| 57 | #define RTLNX_VER_MIN(a_Major, a_Minor, a_Patch) \
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| 58 | (LINUX_VERSION_CODE >= KERNEL_VERSION(a_Major, a_Minor, a_Patch))
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| 59 |
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| 60 | /** @def RTLNX_VER_MAX
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| 61 | * Evaluates to true if the linux kernel version is less to the one specfied
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| 62 | * (exclusive). */
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| 63 | #define RTLNX_VER_MAX(a_Major, a_Minor, a_Patch) \
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| 64 | (LINUX_VERSION_CODE < KERNEL_VERSION(a_Major, a_Minor, a_Patch))
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| 65 |
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| 66 | /** @def RTLNX_VER_RANGE
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| 67 | * Evaluates to true if the linux kernel version is equal or higher to the given
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| 68 | * minimum version and less (but not equal) to the maximum version (exclusive). */
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| 69 | #define RTLNX_VER_RANGE(a_MajorMin, a_MinorMin, a_PatchMin, a_MajorMax, a_MinorMax, a_PatchMax) \
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| 70 | ( LINUX_VERSION_CODE >= KERNEL_VERSION(a_MajorMin, a_MinorMin, a_PatchMin) \
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| 71 | && LINUX_VERSION_CODE < KERNEL_VERSION(a_MajorMax, a_MinorMax, a_PatchMax) )
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| 72 |
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| 73 |
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| 74 | /** @def RTLNX_RHEL_MIN
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| 75 | * Require a minium RedHat release.
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| 76 | * @param a_iMajor The major release number (RHEL_MAJOR).
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| 77 | * @param a_iMinor The minor release number (RHEL_MINOR).
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| 78 | * @sa RTLNX_RHEL_MAX, RTLNX_RHEL_RANGE, RTLNX_RHEL_MAJ_PREREQ
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| 79 | */
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| 80 | #if defined(RHEL_MAJOR) && defined(RHEL_MINOR)
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| 81 | # define RTLNX_RHEL_MIN(a_iMajor, a_iMinor) \
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| 82 | ((RHEL_MAJOR) > (a_iMajor) || ((RHEL_MAJOR) == (a_iMajor) && (RHEL_MINOR) >= (a_iMinor)))
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| 83 | #else
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| 84 | # define RTLNX_RHEL_MIN(a_iMajor, a_iMinor) (0)
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| 85 | #endif
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| 86 |
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| 87 | /** @def RTLNX_RHEL_MAX
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| 88 | * Require a maximum RedHat release, true for all RHEL versions below it.
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| 89 | * @param a_iMajor The major release number (RHEL_MAJOR).
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| 90 | * @param a_iMinor The minor release number (RHEL_MINOR).
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| 91 | * @sa RTLNX_RHEL_MIN, RTLNX_RHEL_RANGE, RTLNX_RHEL_MAJ_PREREQ
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| 92 | */
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| 93 | #if defined(RHEL_MAJOR) && defined(RHEL_MINOR)
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| 94 | # define RTLNX_RHEL_MAX(a_iMajor, a_iMinor) \
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| 95 | ((RHEL_MAJOR) < (a_iMajor) || ((RHEL_MAJOR) == (a_iMajor) && (RHEL_MINOR) < (a_iMinor)))
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| 96 | #else
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| 97 | # define RTLNX_RHEL_MAX(a_iMajor, a_iMinor) (0)
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| 98 | #endif
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| 99 |
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| 100 | /** @def RTLNX_RHEL_RANGE
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| 101 | * Check that it's a RedHat kernel in the given version range.
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| 102 | * The max version is exclusive, the minimum inclusive.
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| 103 | * @sa RTLNX_RHEL_MIN, RTLNX_RHEL_MAX, RTLNX_RHEL_MAJ_PREREQ
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| 104 | */
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| 105 | #if defined(RHEL_MAJOR) && defined(RHEL_MINOR)
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| 106 | # define RTLNX_RHEL_RANGE(a_iMajorMin, a_iMinorMin, a_iMajorMax, a_iMinorMax) \
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| 107 | (RTLNX_RHEL_MIN(a_iMajorMin, a_iMinorMin) && RTLNX_RHEL_MAX(a_iMajorMax, a_iMinorMax))
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| 108 | #else
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| 109 | # define RTLNX_RHEL_RANGE(a_iMajorMin, a_iMinorMin, a_iMajorMax, a_iMinorMax) (0)
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| 110 | #endif
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| 111 |
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| 112 | /** @def RTLNX_RHEL_MAJ_PREREQ
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| 113 | * Require a minimum minor release number for the given RedHat release.
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| 114 | * @param a_iMajor RHEL_MAJOR must _equal_ this.
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| 115 | * @param a_iMinor RHEL_MINOR must be greater or equal to this.
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| 116 | * @sa RTLNX_RHEL_MIN, RTLNX_RHEL_MAX
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| 117 | */
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| 118 | #if defined(RHEL_MAJOR) && defined(RHEL_MINOR)
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| 119 | # define RTLNX_RHEL_MAJ_PREREQ(a_iMajor, a_iMinor) ((RHEL_MAJOR) == (a_iMajor) && (RHEL_MINOR) >= (a_iMinor))
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| 120 | #else
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| 121 | # define RTLNX_RHEL_MAJ_PREREQ(a_iMajor, a_iMinor) (0)
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| 122 | #endif
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| 123 |
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| 124 |
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| 125 | /** @def RTLNX_SUSE_MAJ_PREREQ
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| 126 | * Require a minimum minor release number for the given SUSE release.
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| 127 | * @param a_iMajor CONFIG_SUSE_VERSION must _equal_ this.
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| 128 | * @param a_iMinor CONFIG_SUSE_PATCHLEVEL must be greater or equal to this.
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| 129 | */
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| 130 | #if defined(CONFIG_SUSE_VERSION) && defined(CONFIG_SUSE_PATCHLEVEL)
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| 131 | # define RTLNX_SUSE_MAJ_PREREQ(a_iMajor, a_iMinor) ((CONFIG_SUSE_VERSION) == (a_iMajor) && (CONFIG_SUSE_PATCHLEVEL) >= (a_iMinor))
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| 132 | #else
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| 133 | # define RTLNX_SUSE_MAJ_PREREQ(a_iMajor, a_iMinor) (0)
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| 134 | #endif
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| 135 |
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| 136 |
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| 137 | #if defined(UTS_UBUNTU_RELEASE_ABI) || defined(DOXYGEN_RUNNING)
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| 138 |
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| 139 | /** Hack to make the UTS_UBUNTU_RELEASE_ABI palatable by the C preprocesor.
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| 140 | *
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| 141 | * While the Ubuntu kernel ABI version looks like a decimal number, some
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| 142 | * kernels has a leading zero (e.g. 050818) that makes the preprocessor think
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| 143 | * it's an octal number. To work around that, we turn it into an hexadecimal
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| 144 | * number by prefixing it with '0x'. */
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| 145 | # define RTLNX_UBUNTU_ABI(a_iAbi) (RT_CONCAT(0x,a_iAbi))
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| 146 |
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| 147 | /** @def RTLNX_UBUNTU_ABI_MIN
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| 148 | * Require Ubuntu release ABI to be equal or newer than specified version.
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| 149 | *
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| 150 | * The kernel version should exactly match the specified @a a_iMajor, @a
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| 151 | * a_iMinor and @a a_iPatch. The @a a_iAbi number should be equal to or greater
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| 152 | * than the current ABI version.
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| 153 | *
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| 154 | * @param a_iMajor The major kernel version number.
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| 155 | * @param a_iMinor The minor kernel version number.
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| 156 | * @param a_iPatch The kernel patch level.
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| 157 | * @param a_iAbi Ubuntu kernel ABI version number (inclusive).
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| 158 | */
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| 159 | # define RTLNX_UBUNTU_ABI_MIN(a_iMajor, a_iMinor, a_iPatch, a_iAbi) \
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| 160 | ( KERNEL_VERSION(a_iMajor, a_iMinor, a_iPatch) == LINUX_VERSION_CODE \
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| 161 | && RTLNX_UBUNTU_ABI(UTS_UBUNTU_RELEASE_ABI) >= RTLNX_UBUNTU_ABI(a_iAbi))
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| 162 |
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| 163 | /** @def RTLNX_UBUNTU_ABI_MAX
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| 164 | * Require Ubuntu release ABI to be older than specified version.
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| 165 | *
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| 166 | * The kernel version should exactly match the specified @a a_iMajor, @a
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| 167 | * a_iMinor and @a a_iPatch. The @a a_iAbi number should be less than the
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| 168 | * current ABI version.
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| 169 | *
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| 170 | * @param a_iMajor The major kernel version number.
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| 171 | * @param a_iMinor The minor kernel version number.
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| 172 | * @param a_iPatch The kernel patch level.
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| 173 | * @param a_iAbi Ubuntu kernel ABI version number (exclusive).
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| 174 | */
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| 175 | # define RTLNX_UBUNTU_ABI_MAX(a_iMajor, a_iMinor, a_iPatch, a_iAbi) \
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| 176 | ( KERNEL_VERSION(a_iMajor, a_iMinor, a_iPatch) == LINUX_VERSION_CODE \
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| 177 | && RTLNX_UBUNTU_ABI(UTS_UBUNTU_RELEASE_ABI) < RTLNX_UBUNTU_ABI(a_iAbi))
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| 178 |
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| 179 | /** @def RTLNX_UBUNTU_ABI_RANGE
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| 180 | * Require Ubuntu release ABI to be in specified range.
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| 181 | *
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| 182 | * The kernel version should exactly match the specified @a a_iMajor, @a
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| 183 | * a_iMinor and @a a_iPatch. The numbers @a a_iAbiMin and @a a_iAbiMax specify
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| 184 | * ABI versions range. The max ABI version is exclusive, the minimum inclusive.
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| 185 | *
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| 186 | * @param a_iMajor The major kernel version number.
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| 187 | * @param a_iMinor The minor kernel version number.
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| 188 | * @param a_iPatch The kernel patch level.
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| 189 | * @param a_iAbiMin The minimum Ubuntu kernel ABI version number (inclusive).
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| 190 | * @param a_iAbiMax The maximum Ubuntu kernel ABI version number (exclusive).
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| 191 | */
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| 192 | # define RTLNX_UBUNTU_ABI_RANGE(a_iMajor, a_iMinor, a_iPatch, a_iAbiMin, a_iAbiMax) \
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| 193 | ( RTLNX_UBUNTU_ABI_MIN(a_iMajor, a_iMinor, a_iPatch, a_iAbiMin) \
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| 194 | && RTLNX_UBUNTU_ABI_MAX(a_iMajor, a_iMinor, a_iPatch, a_iAbiMax))
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| 195 |
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| 196 | #else /* !UTS_UBUNTU_RELEASE_ABI */
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| 197 |
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| 198 | # define RTLNX_UBUNTU_ABI_MIN(a_iMajor, a_iMinor, a_iPatch, a_iAbi) (0)
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| 199 | # define RTLNX_UBUNTU_ABI_MAX(a_iMajor, a_iMinor, a_iPatch, a_iAbi) (0)
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| 200 | # define RTLNX_UBUNTU_ABI_RANGE(a_iMajorMin, a_iMinorMin, a_iPatchMin, a_iAbiMin, a_iAbiMax) (0)
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| 201 |
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| 202 | #endif /* !UTS_UBUNTU_RELEASE_ABI */
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| 203 |
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| 204 | #endif /* !IPRT_INCLUDED_linux_version_h */
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| 205 |
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