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>
28 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,33))
29 #include <generated/utsrelease.h>
30 #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,33)) */
31 #include <linux/utsrelease.h>
32 #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,33)) */
35 * This macro checks if the kernel version is between the two specified
36 * versions (lower limit inclusive, upper limit exclusive).
38 #define LTTNG_KERNEL_RANGE(a_low, b_low, c_low, a_high, b_high, c_high) \
39 (LINUX_VERSION_CODE >= KERNEL_VERSION(a_low, b_low, c_low) && \
40 LINUX_VERSION_CODE < KERNEL_VERSION(a_high, b_high, c_high))
44 #define LTTNG_UBUNTU_KERNEL_VERSION(a, b, c, d) \
45 (((a) << 24) + ((b) << 16) + ((c) << 8) + (d))
47 #ifdef UTS_UBUNTU_RELEASE_ABI
48 #define LTTNG_UBUNTU_VERSION_CODE \
49 ((LINUX_VERSION_CODE << 8) + UTS_UBUNTU_RELEASE_ABI)
51 #define LTTNG_UBUNTU_VERSION_CODE 0
54 #define LTTNG_UBUNTU_KERNEL_RANGE(a_low, b_low, c_low, d_low, \
55 a_high, b_high, c_high, d_high) \
56 (LTTNG_UBUNTU_VERSION_CODE >= \
57 LTTNG_UBUNTU_KERNEL_VERSION(a_low, b_low, c_low, d_low) && \
58 LTTNG_UBUNTU_VERSION_CODE < \
59 LTTNG_UBUNTU_KERNEL_VERSION(a_high, b_high, c_high, d_high))
63 #define LTTNG_DEBIAN_KERNEL_VERSION(a, b, c, d, e, f) \
64 (((((a) << 16) + ((b) << 8) + (c)) * 1000000ULL) + ((d) * 10000) + ((e) * 100) + (f))
66 #ifdef DEBIAN_API_VERSION
67 #define LTTNG_DEBIAN_VERSION_CODE \
68 ((LINUX_VERSION_CODE * 1000000ULL) + DEBIAN_API_VERSION)
70 #define LTTNG_DEBIAN_VERSION_CODE 0
73 #define LTTNG_DEBIAN_KERNEL_RANGE(a_low, b_low, c_low, d_low, e_low, f_low, \
74 a_high, b_high, c_high, d_high, e_high, f_high) \
75 (LTTNG_DEBIAN_VERSION_CODE >= \
76 LTTNG_DEBIAN_KERNEL_VERSION(a_low, b_low, c_low, d_low, e_low, f_low) && \
77 LTTNG_DEBIAN_VERSION_CODE < \
78 LTTNG_DEBIAN_KERNEL_VERSION(a_high, b_high, c_high, d_high, e_high, f_high))
80 #define LTTNG_RHEL_KERNEL_VERSION(a, b, c, d, e, f) \
81 (((((a) << 16) + ((b) << 8) + (c)) * 10000000ULL) + ((d) * 10000) + ((e) * 100) + (f))
85 #ifdef RHEL_API_VERSION
86 #define LTTNG_RHEL_VERSION_CODE \
87 ((LINUX_VERSION_CODE * 10000000ULL) + RHEL_API_VERSION)
89 #define LTTNG_RHEL_VERSION_CODE 0
92 #define LTTNG_RHEL_KERNEL_RANGE(a_low, b_low, c_low, d_low, e_low, f_low, \
93 a_high, b_high, c_high, d_high, e_high, f_high) \
94 (LTTNG_RHEL_VERSION_CODE >= \
95 LTTNG_RHEL_KERNEL_VERSION(a_low, b_low, c_low, d_low, e_low, f_low) && \
96 LTTNG_RHEL_VERSION_CODE < \
97 LTTNG_RHEL_KERNEL_VERSION(a_high, b_high, c_high, d_high, e_high, f_high))
99 /* SUSE Linux enterprise */
101 #define LTTNG_SLE_KERNEL_VERSION(a, b, c, d, e, f) \
102 (((((a) << 16) + ((b) << 8) + (c)) * 10000000ULL) + ((d) * 10000) + ((e) * 100) + (f))
104 #ifdef SLE_API_VERSION
105 #define LTTNG_SLE_VERSION_CODE \
106 ((LINUX_VERSION_CODE * 10000000ULL) + SLE_API_VERSION)
108 #define LTTNG_SLE_VERSION_CODE 0
111 #define LTTNG_SLE_KERNEL_RANGE(a_low, b_low, c_low, d_low, e_low, f_low, \
112 a_high, b_high, c_high, d_high, e_high, f_high) \
113 (LTTNG_SLE_VERSION_CODE >= \
114 LTTNG_SLE_KERNEL_VERSION(a_low, b_low, c_low, d_low, e_low, f_low) && \
115 LTTNG_SLE_VERSION_CODE < \
116 LTTNG_SLE_KERNEL_VERSION(a_high, b_high, c_high, d_high, e_high, f_high))
120 #define LTTNG_RT_KERNEL_VERSION(a, b, c, d) \
121 (((a) << 24) + ((b) << 16) + ((c) << 8) + (d))
123 #ifdef RT_PATCH_VERSION
124 #define LTTNG_RT_VERSION_CODE \
125 ((LINUX_VERSION_CODE << 8) + RT_PATCH_VERSION)
127 #define LTTNG_RT_VERSION_CODE 0
130 #define LTTNG_RT_KERNEL_RANGE(a_low, b_low, c_low, d_low, \
131 a_high, b_high, c_high, d_high) \
132 (LTTNG_RT_VERSION_CODE >= \
133 LTTNG_RT_KERNEL_VERSION(a_low, b_low, c_low, d_low) && \
134 LTTNG_RT_VERSION_CODE < \
135 LTTNG_RT_KERNEL_VERSION(a_high, b_high, c_high, d_high))
137 #endif /* _LTTNG_KERNEL_VERSION_H */
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