/usr/src/lttng-modules-2.7.1/lttng-kernel-version.h is in lttng-modules-dkms 2.7.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 | #ifndef _LTTNG_KERNEL_VERSION_H
#define _LTTNG_KERNEL_VERSION_H
/*
* lttng-kernel-version.h
*
* Contains helpers to check more complex kernel version conditions.
*
* Copyright (C) 2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; only
* version 2.1 of the License.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <linux/version.h>
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,33))
#include <generated/utsrelease.h>
#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,33)) */
#include <linux/utsrelease.h>
#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,33)) */
/*
* This macro checks if the kernel version is between the two specified
* versions (lower limit inclusive, upper limit exclusive).
*/
#define LTTNG_KERNEL_RANGE(a_low, b_low, c_low, a_high, b_high, c_high) \
(LINUX_VERSION_CODE >= KERNEL_VERSION(a_low, b_low, c_low) && \
LINUX_VERSION_CODE < KERNEL_VERSION(a_high, b_high, c_high))
#define LTTNG_UBUNTU_KERNEL_VERSION(a, b, c, d) \
(((a) << 24) + ((b) << 16) + ((c) << 8) + (d))
#ifdef UTS_UBUNTU_RELEASE_ABI
#define LTTNG_UBUNTU_VERSION_CODE \
((LINUX_VERSION_CODE << 8) + UTS_UBUNTU_RELEASE_ABI)
#else
#define LTTNG_UBUNTU_VERSION_CODE 0
#endif
#define LTTNG_UBUNTU_KERNEL_RANGE(a_low, b_low, c_low, d_low, \
a_high, b_high, c_high, d_high) \
(LTTNG_UBUNTU_VERSION_CODE >= \
LTTNG_UBUNTU_KERNEL_VERSION(a_low, b_low, c_low, d_low) && \
LTTNG_UBUNTU_VERSION_CODE < \
LTTNG_UBUNTU_KERNEL_VERSION(a_high, b_high, c_high, d_high))
#define LTTNG_DEBIAN_KERNEL_VERSION(a, b, c, d, e, f) \
(((((a) << 16) + ((b) << 8) + (c)) * 1000000ULL) + ((d) * 10000) + ((e) * 100) + (f))
#ifdef DEBIAN_API_VERSION
#define LTTNG_DEBIAN_VERSION_CODE \
((LINUX_VERSION_CODE * 1000000ULL) + DEBIAN_API_VERSION)
#else
#define LTTNG_DEBIAN_VERSION_CODE 0
#endif
#define LTTNG_DEBIAN_KERNEL_RANGE(a_low, b_low, c_low, d_low, e_low, f_low, \
a_high, b_high, c_high, d_high, e_high, f_high) \
(LTTNG_DEBIAN_VERSION_CODE >= \
LTTNG_DEBIAN_KERNEL_VERSION(a_low, b_low, c_low, d_low, e_low, f_low) && \
LTTNG_DEBIAN_VERSION_CODE < \
LTTNG_DEBIAN_KERNEL_VERSION(a_high, b_high, c_high, d_high, e_high, f_high))
#define LTTNG_RHEL_KERNEL_VERSION(a, b, c, d, e) \
(((a) * (1ULL << 32)) + ((b) << 24) + ((c) << 16) + ((d) << 8) + (e))
#ifdef RHEL_RELEASE_CODE
#define LTTNG_RHEL_VERSION_CODE \
((LINUX_VERSION_CODE * (1ULL << 16)) + RHEL_RELEASE_CODE)
#else
#define LTTNG_RHEL_VERSION_CODE 0
#endif
#define LTTNG_RHEL_KERNEL_RANGE(a_low, b_low, c_low, d_low, e_low, \
a_high, b_high, c_high, d_high, e_high) \
(LTTNG_RHEL_VERSION_CODE >= \
LTTNG_RHEL_KERNEL_VERSION(a_low, b_low, c_low, d_low, e_low) && \
LTTNG_RHEL_VERSION_CODE < \
LTTNG_RHEL_KERNEL_VERSION(a_high, b_high, c_high, d_high, e_high))
#endif /* _LTTNG_KERNEL_VERSION_H */
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