1 #ifndef _LTTNG_KERNEL_VERSION_H
2 #define _LTTNG_KERNEL_VERSION_H
5 * lttng-kernel-version.h
7 * Contains helpers to check more complex kernel version conditions.
9 * Copyright (C) 2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
11 * This library is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU Lesser General Public
13 * License as published by the Free Software Foundation; only
14 * version 2.1 of the License.
16 * This library is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 * Lesser General Public License for more details.
21 * You should have received a copy of the GNU Lesser General Public
22 * License along with this library; if not, write to the Free Software
23 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
26 #include <linux/version.h>
27 #include <linux/vermagic.h>
30 * This macro checks if the kernel version is between the two specified
31 * versions (lower limit inclusive, upper limit exclusive).
33 #define LTTNG_KERNEL_RANGE(a_low, b_low, c_low, a_high, b_high, c_high) \
34 (LINUX_VERSION_CODE >= KERNEL_VERSION(a_low, b_low, c_low) && \
35 LINUX_VERSION_CODE < KERNEL_VERSION(a_high, b_high, c_high))
37 #define LTTNG_UBUNTU_KERNEL_VERSION(a, b, c, d) \
38 (((a) << 24) + ((b) << 16) + (c << 8) + (d))
40 #define LTTNG_UBUNTU_VERSION_CODE \
41 ((LINUX_VERSION_CODE << 8) + UTS_UBUNTU_RELEASE_ABI)
43 #define LTTNG_UBUNTU_KERNEL_RANGE(a_low, b_low, c_low, d_low, \
44 a_high, b_high, c_high, d_high) \
45 (defined(UTS_UBUNTU_RELEASE_ABI) && \
46 LTTNG_UBUNTU_VERSION_CODE >= \
47 LTTNG_UBUNTU_KERNEL_VERSION(a_low, b_low, c_low, d_low) && \
48 LTTNG_UBUNTU_VERSION_CODE < \
49 LTTNG_UBUNTU_KERNEL_VERSION(a_high, b_high, c_high, d_high))
51 #endif /* _LTTNG_KERNEL_VERSION_H */
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