| 1 | /* $Id: version.h 93115 2022-01-01 11:31:46Z 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) 2006-2022 Oracle Corporation
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| 8 | *
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| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | * available from http://www.virtualbox.org. This file is free software;
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| 11 | * you can redistribute it and/or modify it under the terms of the GNU
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| 12 | * General Public License (GPL) as published by the Free Software
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| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | *
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| 17 | * The contents of this file may alternatively be used under the terms
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| 18 | * of the Common Development and Distribution License Version 1.0
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| 19 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
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| 20 | * VirtualBox OSE distribution, in which case the provisions of the
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| 21 | * CDDL are applicable instead of those of the GPL.
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| 22 | *
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| 23 | * You may elect to license modified versions of this file under the
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| 24 | * terms and conditions of either the GPL or the CDDL or both.
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| 25 | */
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| 26 |
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| 27 | #ifndef IPRT_INCLUDED_linux_version_h
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| 28 | #define IPRT_INCLUDED_linux_version_h
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| 29 | #ifndef RT_WITHOUT_PRAGMA_ONCE
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| 30 | # pragma once
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| 31 | #endif
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| 32 |
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| 33 | #include <linux/version.h>
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| 34 |
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| 35 | /* We need utsrelease.h in order to detect Ubuntu kernel,
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| 36 | * i.e. check if UTS_UBUNTU_RELEASE_ABI is defined. Support kernels
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| 37 | * starting from Ubuntu 14.04 Trusty which is based on upstream
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| 38 | * kernel 3.13.x. */
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| 39 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,13,0))
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| 40 | # include <generated/utsrelease.h>
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| 41 | # include <iprt/cdefs.h>
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| 42 | #endif
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| 43 |
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| 44 | /** @def RTLNX_VER_MIN
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| 45 | * Evaluates to true if the linux kernel version is equal or higher to the
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| 46 | * one specfied. */
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| 47 | #define RTLNX_VER_MIN(a_Major, a_Minor, a_Patch) \
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| 48 | (LINUX_VERSION_CODE >= KERNEL_VERSION(a_Major, a_Minor, a_Patch))
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| 49 |
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| 50 | /** @def RTLNX_VER_MAX
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| 51 | * Evaluates to true if the linux kernel version is less to the one specfied
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| 52 | * (exclusive). */
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| 53 | #define RTLNX_VER_MAX(a_Major, a_Minor, a_Patch) \
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| 54 | (LINUX_VERSION_CODE < KERNEL_VERSION(a_Major, a_Minor, a_Patch))
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| 55 |
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| 56 | /** @def RTLNX_VER_RANGE
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| 57 | * Evaluates to true if the linux kernel version is equal or higher to the given
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| 58 | * minimum version and less (but not equal) to the maximum version (exclusive). */
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| 59 | #define RTLNX_VER_RANGE(a_MajorMin, a_MinorMin, a_PatchMin, a_MajorMax, a_MinorMax, a_PatchMax) \
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| 60 | ( LINUX_VERSION_CODE >= KERNEL_VERSION(a_MajorMin, a_MinorMin, a_PatchMin) \
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| 61 | && LINUX_VERSION_CODE < KERNEL_VERSION(a_MajorMax, a_MinorMax, a_PatchMax) )
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| 62 |
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| 63 |
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| 64 | /** @def RTLNX_RHEL_MIN
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| 65 | * Require a minium RedHat release.
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| 66 | * @param a_iMajor The major release number (RHEL_MAJOR).
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| 67 | * @param a_iMinor The minor release number (RHEL_MINOR).
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| 68 | * @sa RTLNX_RHEL_MAX, RTLNX_RHEL_RANGE, RTLNX_RHEL_MAJ_PREREQ
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| 69 | */
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| 70 | #if defined(RHEL_MAJOR) && defined(RHEL_MINOR)
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| 71 | # define RTLNX_RHEL_MIN(a_iMajor, a_iMinor) \
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| 72 | ((RHEL_MAJOR) > (a_iMajor) || ((RHEL_MAJOR) == (a_iMajor) && (RHEL_MINOR) >= (a_iMinor)))
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| 73 | #else
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| 74 | # define RTLNX_RHEL_MIN(a_iMajor, a_iMinor) (0)
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| 75 | #endif
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| 76 |
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| 77 | /** @def RTLNX_RHEL_MAX
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| 78 | * Require a maximum RedHat release, true for all RHEL versions below it.
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| 79 | * @param a_iMajor The major release number (RHEL_MAJOR).
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| 80 | * @param a_iMinor The minor release number (RHEL_MINOR).
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| 81 | * @sa RTLNX_RHEL_MIN, RTLNX_RHEL_RANGE, RTLNX_RHEL_MAJ_PREREQ
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| 82 | */
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| 83 | #if defined(RHEL_MAJOR) && defined(RHEL_MINOR)
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| 84 | # define RTLNX_RHEL_MAX(a_iMajor, a_iMinor) \
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| 85 | ((RHEL_MAJOR) < (a_iMajor) || ((RHEL_MAJOR) == (a_iMajor) && (RHEL_MINOR) < (a_iMinor)))
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| 86 | #else
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| 87 | # define RTLNX_RHEL_MAX(a_iMajor, a_iMinor) (0)
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| 88 | #endif
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| 89 |
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| 90 | /** @def RTLNX_RHEL_RANGE
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| 91 | * Check that it's a RedHat kernel in the given version range.
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| 92 | * The max version is exclusive, the minimum inclusive.
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| 93 | * @sa RTLNX_RHEL_MIN, RTLNX_RHEL_MAX, RTLNX_RHEL_MAJ_PREREQ
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| 94 | */
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| 95 | #if defined(RHEL_MAJOR) && defined(RHEL_MINOR)
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| 96 | # define RTLNX_RHEL_RANGE(a_iMajorMin, a_iMinorMin, a_iMajorMax, a_iMinorMax) \
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| 97 | (RTLNX_RHEL_MIN(a_iMajorMin, a_iMinorMin) && RTLNX_RHEL_MAX(a_iMajorMax, a_iMinorMax))
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| 98 | #else
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| 99 | # define RTLNX_RHEL_RANGE(a_iMajorMin, a_iMinorMin, a_iMajorMax, a_iMinorMax) (0)
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| 100 | #endif
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| 101 |
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| 102 | /** @def RTLNX_RHEL_MAJ_PREREQ
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| 103 | * Require a minimum minor release number for the given RedHat release.
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| 104 | * @param a_iMajor RHEL_MAJOR must _equal_ this.
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| 105 | * @param a_iMinor RHEL_MINOR must be greater or equal to this.
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| 106 | * @sa RTLNX_RHEL_MIN, RTLNX_RHEL_MAX
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| 107 | */
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| 108 | #if defined(RHEL_MAJOR) && defined(RHEL_MINOR)
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| 109 | # define RTLNX_RHEL_MAJ_PREREQ(a_iMajor, a_iMinor) ((RHEL_MAJOR) == (a_iMajor) && (RHEL_MINOR) >= (a_iMinor))
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| 110 | #else
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| 111 | # define RTLNX_RHEL_MAJ_PREREQ(a_iMajor, a_iMinor) (0)
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| 112 | #endif
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| 113 |
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| 114 |
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| 115 | /** @def RTLNX_SUSE_MAJ_PREREQ
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| 116 | * Require a minimum minor release number for the given SUSE release.
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| 117 | * @param a_iMajor CONFIG_SUSE_VERSION must _equal_ this.
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| 118 | * @param a_iMinor CONFIG_SUSE_PATCHLEVEL must be greater or equal to this.
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| 119 | */
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| 120 | #if defined(CONFIG_SUSE_VERSION) && defined(CONFIG_SUSE_PATCHLEVEL)
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| 121 | # define RTLNX_SUSE_MAJ_PREREQ(a_iMajor, a_iMinor) ((CONFIG_SUSE_VERSION) == (a_iMajor) && (CONFIG_SUSE_PATCHLEVEL) >= (a_iMinor))
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| 122 | #else
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| 123 | # define RTLNX_SUSE_MAJ_PREREQ(a_iMajor, a_iMinor) (0)
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| 124 | #endif
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| 125 |
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| 126 |
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| 127 | #if defined(UTS_UBUNTU_RELEASE_ABI) || defined(DOXYGEN_RUNNING)
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| 128 |
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| 129 | /** Hack to make the UTS_UBUNTU_RELEASE_ABI palatable by the C preprocesor.
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| 130 | *
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| 131 | * While the Ubuntu kernel ABI version looks like a decimal number, some
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| 132 | * kernels has a leading zero (e.g. 050818) that makes the preprocessor think
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| 133 | * it's an octal number. To work around that, we turn it into an hexadecimal
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| 134 | * number by prefixing it with '0x'. */
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| 135 | # define RTLNX_UBUNTU_ABI(a_iAbi) (RT_CONCAT(0x,a_iAbi))
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| 136 |
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| 137 | /** @def RTLNX_UBUNTU_ABI_MIN
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| 138 | * Require Ubuntu release ABI to be equal or newer than specified version.
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| 139 | *
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| 140 | * The kernel version should exactly match the specified @a a_iMajor, @a
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| 141 | * a_iMinor and @a a_iPatch. The @a a_iAbi number should be equal to or greater
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| 142 | * than the current ABI version.
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| 143 | *
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| 144 | * @param a_iMajor The major kernel version number.
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| 145 | * @param a_iMinor The minor kernel version number.
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| 146 | * @param a_iPatch The kernel patch level.
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| 147 | * @param a_iAbi Ubuntu kernel ABI version number (inclusive).
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| 148 | */
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| 149 | # define RTLNX_UBUNTU_ABI_MIN(a_iMajor, a_iMinor, a_iPatch, a_iAbi) \
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| 150 | ( KERNEL_VERSION(a_iMajor, a_iMinor, a_iPatch) == LINUX_VERSION_CODE \
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| 151 | && RTLNX_UBUNTU_ABI(UTS_UBUNTU_RELEASE_ABI) >= RTLNX_UBUNTU_ABI(a_iAbi))
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| 152 |
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| 153 | /** @def RTLNX_UBUNTU_ABI_MAX
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| 154 | * Require Ubuntu release ABI to be older than specified version.
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| 155 | *
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| 156 | * The kernel version should exactly match the specified @a a_iMajor, @a
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| 157 | * a_iMinor and @a a_iPatch. The @a a_iAbi number should be less than the
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| 158 | * current ABI version.
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| 159 | *
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| 160 | * @param a_iMajor The major kernel version number.
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| 161 | * @param a_iMinor The minor kernel version number.
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| 162 | * @param a_iPatch The kernel patch level.
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| 163 | * @param a_iAbi Ubuntu kernel ABI version number (exclusive).
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| 164 | */
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| 165 | # define RTLNX_UBUNTU_ABI_MAX(a_iMajor, a_iMinor, a_iPatch, a_iAbi) \
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| 166 | ( KERNEL_VERSION(a_iMajor, a_iMinor, a_iPatch) == LINUX_VERSION_CODE \
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| 167 | && RTLNX_UBUNTU_ABI(UTS_UBUNTU_RELEASE_ABI) < RTLNX_UBUNTU_ABI(a_iAbi))
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| 168 |
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| 169 | /** @def RTLNX_UBUNTU_ABI_RANGE
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| 170 | * Require Ubuntu release ABI to be in specified range.
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| 171 | *
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| 172 | * The kernel version should exactly match the specified @a a_iMajor, @a
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| 173 | * a_iMinor and @a a_iPatch. The numbers @a a_iAbiMin and @a a_iAbiMax specify
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| 174 | * ABI versions range. The max ABI version is exclusive, the minimum inclusive.
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| 175 | *
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| 176 | * @param a_iMajor The major kernel version number.
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| 177 | * @param a_iMinor The minor kernel version number.
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| 178 | * @param a_iPatch The kernel patch level.
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| 179 | * @param a_iAbiMin The minimum Ubuntu kernel ABI version number (inclusive).
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| 180 | * @param a_iAbiMax The maximum Ubuntu kernel ABI version number (exclusive).
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| 181 | */
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| 182 | # define RTLNX_UBUNTU_ABI_RANGE(a_iMajor, a_iMinor, a_iPatch, a_iAbiMin, a_iAbiMax) \
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| 183 | ( RTLNX_UBUNTU_ABI_MIN(a_iMajor, a_iMinor, a_iPatch, a_iAbiMin) \
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| 184 | && RTLNX_UBUNTU_ABI_MAX(a_iMajor, a_iMinor, a_iPatch, a_iAbiMax))
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| 185 |
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| 186 | #else /* !UTS_UBUNTU_RELEASE_ABI */
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| 187 |
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| 188 | # define RTLNX_UBUNTU_ABI_MIN(a_iMajor, a_iMinor, a_iPatch, a_iAbi) (0)
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| 189 | # define RTLNX_UBUNTU_ABI_MAX(a_iMajor, a_iMinor, a_iPatch, a_iAbi) (0)
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| 190 | # define RTLNX_UBUNTU_ABI_RANGE(a_iMajorMin, a_iMinorMin, a_iPatchMin, a_iAbiMin, a_iAbiMax) (0)
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| 191 |
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| 192 | #endif /* !UTS_UBUNTU_RELEASE_ABI */
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| 193 |
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| 194 | #endif /* !IPRT_INCLUDED_linux_version_h */
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| 195 |
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