projects / lttng-modules.git / blame
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|---|---|---|
| 5fa38800 MD |
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> | |
| 3e5941df | 27 | #include <linux/vermagic.h> |
| 5fa38800 MD |
28 | |
| 29 | /* | |
| 30 | * This macro checks if the kernel version is between the two specified | |
| 144bbfd5 | 31 | * versions (lower limit inclusive, upper limit exclusive). |
| 5fa38800 MD |
32 | */ |
| 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) && \ | |
| 144bbfd5 | 35 | LINUX_VERSION_CODE < KERNEL_VERSION(a_high, b_high, c_high)) |
| 5fa38800 | 36 | |
| 3e5941df JD |
37 | #define LTTNG_UBUNTU_KERNEL_VERSION(a, b, c, d) \ |
| 38 | (((a) << 24) + ((b) << 16) + (c << 8) + (d)) | |
| 39 | ||
| 40 | #define LTTNG_UBUNTU_VERSION_CODE \ | |
| 41 | ((LINUX_VERSION_CODE << 8) + UTS_UBUNTU_RELEASE_ABI) | |
| 42 | ||
| 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)) | |
| 50 | ||
| 5fa38800 | 51 | #endif /* _LTTNG_KERNEL_VERSION_H */ |