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lttng-kernel-version.h
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/* SPDX-License-Identifier: (GPL-2.0 or LGPL-2.1)
*
* lttng-kernel-version.h
*
* Contains helpers to check more complex kernel version conditions.
*
* Copyright (C) 2012 Mathieu Desnoyers <[email protected]>
*/
#ifndef _LTTNG_KERNEL_VERSION_H
#define _LTTNG_KERNEL_VERSION_H
#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))
/* Ubuntu */
#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))
/* Debian */
#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, f) \
(((((a) << 16) + ((b) << 8) + (c)) * 10000000ULL) + ((d) * 10000) + ((e) * 100) + (f))
/* RHEL */
#ifdef RHEL_API_VERSION
#define LTTNG_RHEL_VERSION_CODE \
((LINUX_VERSION_CODE * 10000000ULL) + RHEL_API_VERSION)
#else
#define LTTNG_RHEL_VERSION_CODE 0
#endif
#define LTTNG_RHEL_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_RHEL_VERSION_CODE >= \
LTTNG_RHEL_KERNEL_VERSION(a_low, b_low, c_low, d_low, e_low, f_low) && \
LTTNG_RHEL_VERSION_CODE < \
LTTNG_RHEL_KERNEL_VERSION(a_high, b_high, c_high, d_high, e_high, f_high))
/* SUSE Linux enterprise */
#define LTTNG_SLE_KERNEL_VERSION(a, b, c, d, e, f) \
(((((a) << 16) + ((b) << 8) + (c)) * 10000000ULL) + ((d) * 10000) + ((e) * 100) + (f))
#ifdef SLE_API_VERSION
#define LTTNG_SLE_VERSION_CODE \
((LINUX_VERSION_CODE * 10000000ULL) + SLE_API_VERSION)
#else
#define LTTNG_SLE_VERSION_CODE 0
#endif
#define LTTNG_SLE_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_SLE_VERSION_CODE >= \
LTTNG_SLE_KERNEL_VERSION(a_low, b_low, c_low, d_low, e_low, f_low) && \
LTTNG_SLE_VERSION_CODE < \
LTTNG_SLE_KERNEL_VERSION(a_high, b_high, c_high, d_high, e_high, f_high))
/* Fedora */
#define LTTNG_FEDORA_KERNEL_VERSION(a, b, c, d) \
(((((a) << 16) + ((b) << 8) + (c)) * 10000ULL) + (d))
#ifdef FEDORA_REVISION_VERSION
#define LTTNG_FEDORA_VERSION_CODE \
((LINUX_VERSION_CODE * 10000ULL) + FEDORA_REVISION_VERSION)
#else
#define LTTNG_FEDORA_VERSION_CODE 0
#endif
#define LTTNG_FEDORA_KERNEL_RANGE(a_low, b_low, c_low, d_low, \
a_high, b_high, c_high, d_high) \
(LTTNG_FEDORA_VERSION_CODE >= \
LTTNG_FEDORA_KERNEL_VERSION(a_low, b_low, c_low, d_low) && \
LTTNG_FEDORA_VERSION_CODE < \
LTTNG_FEDORA_KERNEL_VERSION(a_high, b_high, c_high, d_high))
/* RT patch */
#define LTTNG_RT_KERNEL_VERSION(a, b, c, d) \
(((a) << 24) + ((b) << 16) + ((c) << 8) + (d))
#ifdef RT_PATCH_VERSION
#define LTTNG_RT_VERSION_CODE \
((LINUX_VERSION_CODE << 8) + RT_PATCH_VERSION)
#else
#define LTTNG_RT_VERSION_CODE 0
#endif
#define LTTNG_RT_KERNEL_RANGE(a_low, b_low, c_low, d_low, \
a_high, b_high, c_high, d_high) \
(LTTNG_RT_VERSION_CODE >= \
LTTNG_RT_KERNEL_VERSION(a_low, b_low, c_low, d_low) && \
LTTNG_RT_VERSION_CODE < \
LTTNG_RT_KERNEL_VERSION(a_high, b_high, c_high, d_high))
#endif /* _LTTNG_KERNEL_VERSION_H */