[lttng-modules.git] / lttng-kernel-version.h

#ifndef _LTTNG_KERNEL_VERSION_H
#define _LTTNG_KERNEL_VERSION_H

/*
 * lttng-kernel-version.h
 *
 * Contains helpers to check more complex kernel version conditions.
 *
 * Copyright (C) 2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; only
 * version 2.1 of the License.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

#include <linux/version.h>

#define LTTNG_KERNEL_VERSION(a, b, c) KERNEL_VERSION(a, b, c)
#define LTTNG_LINUX_VERSION_CODE LINUX_VERSION_CODE

#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(2,6,33))
#include <generated/utsrelease.h>
#else /* #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(2,6,33)) */
#include <linux/utsrelease.h>
#endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(2,6,33)) */

/*
 * This macro checks if the kernel version is between the two specified
 * versions (lower limit inclusive, upper limit exclusive).
 */
#define LTTNG_KERNEL_RANGE(a_low, b_low, c_low, a_high, b_high, c_high) \
	(LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(a_low, b_low, c_low) && \
	 LTTNG_LINUX_VERSION_CODE < LTTNG_KERNEL_VERSION(a_high, b_high, c_high))

/* Ubuntu */

#define LTTNG_UBUNTU_KERNEL_VERSION(a, b, c, d) \
	(((LTTNG_KERNEL_VERSION(a, b, c)) << 8) + (d))

#ifdef UTS_UBUNTU_RELEASE_ABI
#define LTTNG_UBUNTU_VERSION_CODE \
	((LTTNG_LINUX_VERSION_CODE << 8) + UTS_UBUNTU_RELEASE_ABI)
#else
#define LTTNG_UBUNTU_VERSION_CODE 	0
#endif

#define LTTNG_UBUNTU_KERNEL_RANGE(a_low, b_low, c_low, d_low, \
		a_high, b_high, c_high, d_high) \
	(LTTNG_UBUNTU_VERSION_CODE >= \
		LTTNG_UBUNTU_KERNEL_VERSION(a_low, b_low, c_low, d_low) && \
		LTTNG_UBUNTU_VERSION_CODE < \
		LTTNG_UBUNTU_KERNEL_VERSION(a_high, b_high, c_high, d_high))

/* Debian */

#define LTTNG_DEBIAN_KERNEL_VERSION(a, b, c, d, e, f) \
	(((LTTNG_KERNEL_VERSION(a, b, c)) * 1000000ULL) + ((d) * 10000) + ((e) * 100) + (f))

#ifdef DEBIAN_API_VERSION
#define LTTNG_DEBIAN_VERSION_CODE \
	((LTTNG_LINUX_VERSION_CODE * 1000000ULL) + DEBIAN_API_VERSION)
#else
#define LTTNG_DEBIAN_VERSION_CODE	0
#endif

#define LTTNG_DEBIAN_KERNEL_RANGE(a_low, b_low, c_low, d_low, e_low, f_low, \
		a_high, b_high, c_high, d_high, e_high, f_high) \
	(LTTNG_DEBIAN_VERSION_CODE >= \
		LTTNG_DEBIAN_KERNEL_VERSION(a_low, b_low, c_low, d_low, e_low, f_low) && \
		LTTNG_DEBIAN_VERSION_CODE < \
		LTTNG_DEBIAN_KERNEL_VERSION(a_high, b_high, c_high, d_high, e_high, f_high))

#define LTTNG_RHEL_KERNEL_VERSION(a, b, c, d, e, f) \
	(((LTTNG_KERNEL_VERSION(a, b, c)) * 10000000ULL) + ((d) * 10000) + ((e) * 100) + (f))

/* RHEL */

#ifdef RHEL_API_VERSION
#define LTTNG_RHEL_VERSION_CODE \
	((LTTNG_LINUX_VERSION_CODE * 10000000ULL) + RHEL_API_VERSION)
#else
#define LTTNG_RHEL_VERSION_CODE		0
#endif

#define LTTNG_RHEL_KERNEL_RANGE(a_low, b_low, c_low, d_low, e_low, f_low, \
		a_high, b_high, c_high, d_high, e_high, f_high) \
	(LTTNG_RHEL_VERSION_CODE >= \
		LTTNG_RHEL_KERNEL_VERSION(a_low, b_low, c_low, d_low, e_low, f_low) && \
		LTTNG_RHEL_VERSION_CODE < \
		LTTNG_RHEL_KERNEL_VERSION(a_high, b_high, c_high, d_high, e_high, f_high))

/* SUSE Linux enterprise */

#define LTTNG_SLE_KERNEL_VERSION(a, b, c, d, e, f) \
	(((LTTNG_KERNEL_VERSION(a, b, c)) * 10000000ULL) + ((d) * 10000) + ((e) * 100) + (f))

#ifdef SLE_API_VERSION
#define LTTNG_SLE_VERSION_CODE \
	((LTTNG_LINUX_VERSION_CODE * 10000000ULL) + SLE_API_VERSION)
#else
#define LTTNG_SLE_VERSION_CODE 	0
#endif

#define LTTNG_SLE_KERNEL_RANGE(a_low, b_low, c_low, d_low, e_low, f_low, \
		a_high, b_high, c_high, d_high, e_high, f_high) \
	(LTTNG_SLE_VERSION_CODE >= \
		LTTNG_SLE_KERNEL_VERSION(a_low, b_low, c_low, d_low, e_low, f_low) && \
		LTTNG_SLE_VERSION_CODE < \
		LTTNG_SLE_KERNEL_VERSION(a_high, b_high, c_high, d_high, e_high, f_high))

/* Fedora */

#define LTTNG_FEDORA_KERNEL_VERSION(a, b, c, d) \
        (((LTTNG_KERNEL_VERSION(a, b, c)) * 10000ULL) + (d))

#ifdef FEDORA_REVISION_VERSION
#define LTTNG_FEDORA_VERSION_CODE \
        ((LTTNG_LINUX_VERSION_CODE * 10000ULL) + FEDORA_REVISION_VERSION)
#else
#define LTTNG_FEDORA_VERSION_CODE         0
#endif

#define LTTNG_FEDORA_KERNEL_RANGE(a_low, b_low, c_low, d_low, \
                a_high, b_high, c_high, d_high) \
        (LTTNG_FEDORA_VERSION_CODE >= \
                LTTNG_FEDORA_KERNEL_VERSION(a_low, b_low, c_low, d_low) && \
                LTTNG_FEDORA_VERSION_CODE < \
                LTTNG_FEDORA_KERNEL_VERSION(a_high, b_high, c_high, d_high))

/* RT patch */

#define LTTNG_RT_KERNEL_VERSION(a, b, c, d) \
	(((LTTNG_KERNEL_VERSION(a, b, c)) << 8) + (d))

#ifdef RT_PATCH_VERSION
#define LTTNG_RT_VERSION_CODE \
	((LTTNG_LINUX_VERSION_CODE << 8) + RT_PATCH_VERSION)
#else
#define LTTNG_RT_VERSION_CODE 	0
#endif

#define LTTNG_RT_KERNEL_RANGE(a_low, b_low, c_low, d_low, \
		a_high, b_high, c_high, d_high) \
	(LTTNG_RT_VERSION_CODE >= \
		LTTNG_RT_KERNEL_VERSION(a_low, b_low, c_low, d_low) && \
		LTTNG_RT_VERSION_CODE < \
		LTTNG_RT_KERNEL_VERSION(a_high, b_high, c_high, d_high))

#endif /* _LTTNG_KERNEL_VERSION_H */
Commit	Line	Data
	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 */