lttng-kernel-version.h

   1 #ifndef _LTTNG_KERNEL_VERSION_H
   2 #define _LTTNG_KERNEL_VERSION_H
   3
   4 /*
   5  * lttng-kernel-version.h
   6  *
   7  * Contains helpers to check more complex kernel version conditions.
   8  *
   9  * Copyright (C) 2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
  10  *
  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.
  15  *
  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.
  20  *
  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
  24  */
  25
  26 #include <linux/version.h>
  27
  28 #define LTTNG_KERNEL_VERSION(a, b, c) KERNEL_VERSION(a, b, c)
  29 #define LTTNG_LINUX_VERSION_CODE LINUX_VERSION_CODE
  30
  31 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(2,6,33))
  32 #include <generated/utsrelease.h>
  33 #else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(2,6,33)) */
  34 #include <linux/utsrelease.h>
  35 #endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(2,6,33)) */
  36
  37 /*
  38  * This macro checks if the kernel version is between the two specified
  39  * versions (lower limit inclusive, upper limit exclusive).
  40  */
  41 #define LTTNG_KERNEL_RANGE(a_low, b_low, c_low, a_high, b_high, c_high) \
  42         (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(a_low, b_low, c_low) && \
  43          LTTNG_LINUX_VERSION_CODE < LTTNG_KERNEL_VERSION(a_high, b_high, c_high))
  44
  45 /* Ubuntu */
  46
  47 #define LTTNG_UBUNTU_KERNEL_VERSION(a, b, c, d) \
  48         (((LTTNG_KERNEL_VERSION(a, b, c)) << 8) + (d))
  49
  50 #ifdef UTS_UBUNTU_RELEASE_ABI
  51 #define LTTNG_UBUNTU_VERSION_CODE \
  52         ((LTTNG_LINUX_VERSION_CODE << 8) + UTS_UBUNTU_RELEASE_ABI)
  53 #else
  54 #define LTTNG_UBUNTU_VERSION_CODE       0
  55 #endif
  56
  57 #define LTTNG_UBUNTU_KERNEL_RANGE(a_low, b_low, c_low, d_low, \
  58                 a_high, b_high, c_high, d_high) \
  59         (LTTNG_UBUNTU_VERSION_CODE >= \
  60                 LTTNG_UBUNTU_KERNEL_VERSION(a_low, b_low, c_low, d_low) && \
  61                 LTTNG_UBUNTU_VERSION_CODE < \
  62                 LTTNG_UBUNTU_KERNEL_VERSION(a_high, b_high, c_high, d_high))
  63
  64 /* Debian */
  65
  66 #define LTTNG_DEBIAN_KERNEL_VERSION(a, b, c, d, e, f) \
  67         (((LTTNG_KERNEL_VERSION(a, b, c)) * 1000000ULL) + ((d) * 10000) + ((e) * 100) + (f))
  68
  69 #ifdef DEBIAN_API_VERSION
  70 #define LTTNG_DEBIAN_VERSION_CODE \
  71         ((LTTNG_LINUX_VERSION_CODE * 1000000ULL) + DEBIAN_API_VERSION)
  72 #else
  73 #define LTTNG_DEBIAN_VERSION_CODE       0
  74 #endif
  75
  76 #define LTTNG_DEBIAN_KERNEL_RANGE(a_low, b_low, c_low, d_low, e_low, f_low, \
  77                 a_high, b_high, c_high, d_high, e_high, f_high) \
  78         (LTTNG_DEBIAN_VERSION_CODE >= \
  79                 LTTNG_DEBIAN_KERNEL_VERSION(a_low, b_low, c_low, d_low, e_low, f_low) && \
  80                 LTTNG_DEBIAN_VERSION_CODE < \
  81                 LTTNG_DEBIAN_KERNEL_VERSION(a_high, b_high, c_high, d_high, e_high, f_high))
  82
  83 #define LTTNG_RHEL_KERNEL_VERSION(a, b, c, d, e, f) \
  84         (((LTTNG_KERNEL_VERSION(a, b, c)) * 10000000ULL) + ((d) * 10000) + ((e) * 100) + (f))
  85
  86 /* RHEL */
  87
  88 #ifdef RHEL_API_VERSION
  89 #define LTTNG_RHEL_VERSION_CODE \
  90         ((LTTNG_LINUX_VERSION_CODE * 10000000ULL) + RHEL_API_VERSION)
  91 #else
  92 #define LTTNG_RHEL_VERSION_CODE         0
  93 #endif
  94
  95 #define LTTNG_RHEL_KERNEL_RANGE(a_low, b_low, c_low, d_low, e_low, f_low, \
  96                 a_high, b_high, c_high, d_high, e_high, f_high) \
  97         (LTTNG_RHEL_VERSION_CODE >= \
  98                 LTTNG_RHEL_KERNEL_VERSION(a_low, b_low, c_low, d_low, e_low, f_low) && \
  99                 LTTNG_RHEL_VERSION_CODE < \
 100                 LTTNG_RHEL_KERNEL_VERSION(a_high, b_high, c_high, d_high, e_high, f_high))
 101
 102 /* SUSE Linux enterprise */
 103
 104 #define LTTNG_SLE_KERNEL_VERSION(a, b, c, d, e, f) \
 105         (((LTTNG_KERNEL_VERSION(a, b, c)) * 10000000ULL) + ((d) * 10000) + ((e) * 100) + (f))
 106
 107 #ifdef SLE_API_VERSION
 108 #define LTTNG_SLE_VERSION_CODE \
 109         ((LTTNG_LINUX_VERSION_CODE * 10000000ULL) + SLE_API_VERSION)
 110 #else
 111 #define LTTNG_SLE_VERSION_CODE  0
 112 #endif
 113
 114 #define LTTNG_SLE_KERNEL_RANGE(a_low, b_low, c_low, d_low, e_low, f_low, \
 115                 a_high, b_high, c_high, d_high, e_high, f_high) \
 116         (LTTNG_SLE_VERSION_CODE >= \
 117                 LTTNG_SLE_KERNEL_VERSION(a_low, b_low, c_low, d_low, e_low, f_low) && \
 118                 LTTNG_SLE_VERSION_CODE < \
 119                 LTTNG_SLE_KERNEL_VERSION(a_high, b_high, c_high, d_high, e_high, f_high))
 120
 121 /* Fedora */
 122
 123 #define LTTNG_FEDORA_KERNEL_VERSION(a, b, c, d) \
 124         (((LTTNG_KERNEL_VERSION(a, b, c)) * 10000ULL) + (d))
 125
 126 #ifdef FEDORA_REVISION_VERSION
 127 #define LTTNG_FEDORA_VERSION_CODE \
 128         ((LTTNG_LINUX_VERSION_CODE * 10000ULL) + FEDORA_REVISION_VERSION)
 129 #else
 130 #define LTTNG_FEDORA_VERSION_CODE         0
 131 #endif
 132
 133 #define LTTNG_FEDORA_KERNEL_RANGE(a_low, b_low, c_low, d_low, \
 134                 a_high, b_high, c_high, d_high) \
 135         (LTTNG_FEDORA_VERSION_CODE >= \
 136                 LTTNG_FEDORA_KERNEL_VERSION(a_low, b_low, c_low, d_low) && \
 137                 LTTNG_FEDORA_VERSION_CODE < \
 138                 LTTNG_FEDORA_KERNEL_VERSION(a_high, b_high, c_high, d_high))
 139
 140 /* RT patch */
 141
 142 #define LTTNG_RT_KERNEL_VERSION(a, b, c, d) \
 143         (((LTTNG_KERNEL_VERSION(a, b, c)) << 8) + (d))
 144
 145 #ifdef RT_PATCH_VERSION
 146 #define LTTNG_RT_VERSION_CODE \
 147         ((LTTNG_LINUX_VERSION_CODE << 8) + RT_PATCH_VERSION)
 148 #else
 149 #define LTTNG_RT_VERSION_CODE   0
 150 #endif
 151
 152 #define LTTNG_RT_KERNEL_RANGE(a_low, b_low, c_low, d_low, \
 153                 a_high, b_high, c_high, d_high) \
 154         (LTTNG_RT_VERSION_CODE >= \
 155                 LTTNG_RT_KERNEL_VERSION(a_low, b_low, c_low, d_low) && \
 156                 LTTNG_RT_VERSION_CODE < \
 157                 LTTNG_RT_KERNEL_VERSION(a_high, b_high, c_high, d_high))
 158
 159 #endif /* _LTTNG_KERNEL_VERSION_H */