lttng-kernel-version.h

   1 /* SPDX-License-Identifier: (GPL-2.0 or LGPL-2.1)
   2  *
   3  * lttng-kernel-version.h
   4  *
   5  * Contains helpers to check kernel version conditions.
   6  *
   7  * Copyright (C) 2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
   8  */
   9
  10 #ifndef _LTTNG_KERNEL_VERSION_H
  11 #define _LTTNG_KERNEL_VERSION_H
  12
  13 #include <linux/version.h>
  14
  15 #define LTTNG_KERNEL_VERSION(a, b, c) KERNEL_VERSION(a, b, c)
  16 #define LTTNG_LINUX_VERSION_CODE LINUX_VERSION_CODE
  17
  18 #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(2,6,33))
  19 #include <generated/utsrelease.h>
  20 #else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(2,6,33)) */
  21 #include <linux/utsrelease.h>
  22 #endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(2,6,33)) */
  23
  24 /*
  25  * This macro checks if the kernel version is between the two specified
  26  * versions (lower limit inclusive, upper limit exclusive).
  27  */
  28 #define LTTNG_KERNEL_RANGE(a_low, b_low, c_low, a_high, b_high, c_high) \
  29         (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(a_low, b_low, c_low) && \
  30          LTTNG_LINUX_VERSION_CODE < LTTNG_KERNEL_VERSION(a_high, b_high, c_high))
  31
  32 /* Ubuntu */
  33
  34 #define LTTNG_UBUNTU_KERNEL_VERSION(a, b, c, d) \
  35         (((LTTNG_KERNEL_VERSION(a, b, c)) << 8) + (d))
  36
  37 #ifdef UTS_UBUNTU_RELEASE_ABI
  38 #define LTTNG_UBUNTU_VERSION_CODE \
  39         ((LTTNG_LINUX_VERSION_CODE << 8) + UTS_UBUNTU_RELEASE_ABI)
  40 #else
  41 #define LTTNG_UBUNTU_VERSION_CODE       0
  42 #endif
  43
  44 #define LTTNG_UBUNTU_KERNEL_RANGE(a_low, b_low, c_low, d_low, \
  45                 a_high, b_high, c_high, d_high) \
  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))
  50
  51 /* Debian */
  52
  53 #define LTTNG_DEBIAN_KERNEL_VERSION(a, b, c, d, e, f) \
  54         (((LTTNG_KERNEL_VERSION(a, b, c)) * 1000000ULL) + ((d) * 10000) + ((e) * 100) + (f))
  55
  56 #ifdef DEBIAN_API_VERSION
  57 #define LTTNG_DEBIAN_VERSION_CODE \
  58         ((LTTNG_LINUX_VERSION_CODE * 1000000ULL) + DEBIAN_API_VERSION)
  59 #else
  60 #define LTTNG_DEBIAN_VERSION_CODE       0
  61 #endif
  62
  63 #define LTTNG_DEBIAN_KERNEL_RANGE(a_low, b_low, c_low, d_low, e_low, f_low, \
  64                 a_high, b_high, c_high, d_high, e_high, f_high) \
  65         (LTTNG_DEBIAN_VERSION_CODE >= \
  66                 LTTNG_DEBIAN_KERNEL_VERSION(a_low, b_low, c_low, d_low, e_low, f_low) && \
  67                 LTTNG_DEBIAN_VERSION_CODE < \
  68                 LTTNG_DEBIAN_KERNEL_VERSION(a_high, b_high, c_high, d_high, e_high, f_high))
  69
  70 #define LTTNG_RHEL_KERNEL_VERSION(a, b, c, d, e, f) \
  71         (((LTTNG_KERNEL_VERSION(a, b, c)) * 10000000ULL) + ((d) * 10000) + ((e) * 100) + (f))
  72
  73 /* RHEL */
  74
  75 #ifdef RHEL_API_VERSION
  76 #define LTTNG_RHEL_VERSION_CODE \
  77         ((LTTNG_LINUX_VERSION_CODE * 10000000ULL) + RHEL_API_VERSION)
  78 #else
  79 #define LTTNG_RHEL_VERSION_CODE         0
  80 #endif
  81
  82 #define LTTNG_RHEL_KERNEL_RANGE(a_low, b_low, c_low, d_low, e_low, f_low, \
  83                 a_high, b_high, c_high, d_high, e_high, f_high) \
  84         (LTTNG_RHEL_VERSION_CODE >= \
  85                 LTTNG_RHEL_KERNEL_VERSION(a_low, b_low, c_low, d_low, e_low, f_low) && \
  86                 LTTNG_RHEL_VERSION_CODE < \
  87                 LTTNG_RHEL_KERNEL_VERSION(a_high, b_high, c_high, d_high, e_high, f_high))
  88
  89 /* SUSE Linux enterprise */
  90
  91 #define LTTNG_SLE_KERNEL_VERSION(a, b, c, d, e, f) \
  92         (((LTTNG_KERNEL_VERSION(a, b, c)) * 10000000ULL) + ((d) * 10000) + ((e) * 100) + (f))
  93
  94 #ifdef SLE_API_VERSION
  95 #define LTTNG_SLE_VERSION_CODE \
  96         ((LTTNG_LINUX_VERSION_CODE * 10000000ULL) + SLE_API_VERSION)
  97 #else
  98 #define LTTNG_SLE_VERSION_CODE  0
  99 #endif
 100
 101 #define LTTNG_SLE_KERNEL_RANGE(a_low, b_low, c_low, d_low, e_low, f_low, \
 102                 a_high, b_high, c_high, d_high, e_high, f_high) \
 103         (LTTNG_SLE_VERSION_CODE >= \
 104                 LTTNG_SLE_KERNEL_VERSION(a_low, b_low, c_low, d_low, e_low, f_low) && \
 105                 LTTNG_SLE_VERSION_CODE < \
 106                 LTTNG_SLE_KERNEL_VERSION(a_high, b_high, c_high, d_high, e_high, f_high))
 107
 108 /* Fedora */
 109
 110 #define LTTNG_FEDORA_KERNEL_VERSION(a, b, c, d) \
 111         (((LTTNG_KERNEL_VERSION(a, b, c)) * 10000ULL) + (d))
 112
 113 #ifdef FEDORA_REVISION_VERSION
 114 #define LTTNG_FEDORA_VERSION_CODE \
 115         ((LTTNG_LINUX_VERSION_CODE * 10000ULL) + FEDORA_REVISION_VERSION)
 116 #else
 117 #define LTTNG_FEDORA_VERSION_CODE         0
 118 #endif
 119
 120 #define LTTNG_FEDORA_KERNEL_RANGE(a_low, b_low, c_low, d_low, \
 121                 a_high, b_high, c_high, d_high) \
 122         (LTTNG_FEDORA_VERSION_CODE >= \
 123                 LTTNG_FEDORA_KERNEL_VERSION(a_low, b_low, c_low, d_low) && \
 124                 LTTNG_FEDORA_VERSION_CODE < \
 125                 LTTNG_FEDORA_KERNEL_VERSION(a_high, b_high, c_high, d_high))
 126
 127 /* RT patch */
 128
 129 #define LTTNG_RT_KERNEL_VERSION(a, b, c, d) \
 130         (((LTTNG_KERNEL_VERSION(a, b, c)) << 8) + (d))
 131
 132 #ifdef RT_PATCH_VERSION
 133 #define LTTNG_RT_VERSION_CODE \
 134         ((LTTNG_LINUX_VERSION_CODE << 8) + RT_PATCH_VERSION)
 135 #else
 136 #define LTTNG_RT_VERSION_CODE   0
 137 #endif
 138
 139 #define LTTNG_RT_KERNEL_RANGE(a_low, b_low, c_low, d_low, \
 140                 a_high, b_high, c_high, d_high) \
 141         (LTTNG_RT_VERSION_CODE >= \
 142                 LTTNG_RT_KERNEL_VERSION(a_low, b_low, c_low, d_low) && \
 143                 LTTNG_RT_VERSION_CODE < \
 144                 LTTNG_RT_KERNEL_VERSION(a_high, b_high, c_high, d_high))
 145
 146 #endif /* _LTTNG_KERNEL_VERSION_H */