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// SPDX-License-Identifier: GPL-2.0
/*
* GPL HEADER START
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 only,
* as published by the Free Software Foundation.
*
* This program 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
* General Public License version 2 for more details (a copy is included
* in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU General Public License
* version 2 along with this program; If not, see
* http://www.gnu.org/licenses/gpl-2.0.html
*
* GPL HEADER END
*/
/*
* Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
* Lustre is a trademark of Sun Microsystems, Inc.
*
* libcfs/include/libcfs/linux/linux-time.h
*
* Implementation of portable time API for Linux (kernel and user-level).
*
* Author: Nikita Danilov <nikita@clusterfs.com>
*/
#ifndef __LIBCFS_LINUX_LINUX_TIME_H__
#define __LIBCFS_LINUX_LINUX_TIME_H__
#ifndef __LIBCFS_LIBCFS_H__
#error Do not #include this file directly. #include <linux/libcfs/libcfs.h> instead
#endif
#define ONE_BILLION ((u_int64_t)1000000000)
#define ONE_MILLION 1000000
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/time.h>
#include <asm/div64.h>
/*
* post 2.5 kernels.
*/
#include <linux/jiffies.h>
/*
* Generic kernel stuff
*/
static inline unsigned long cfs_time_current(void)
{
return jiffies;
}
static inline long cfs_duration_sec(long d)
{
return d / msecs_to_jiffies(MSEC_PER_SEC);
}
#define cfs_time_current_64 get_jiffies_64
static inline u64 cfs_time_add_64(u64 t, u64 d)
{
return t + d;
}
static inline u64 cfs_time_shift_64(int seconds)
{
return cfs_time_add_64(cfs_time_current_64(),
seconds * HZ);
}
static inline int cfs_time_before_64(u64 t1, u64 t2)
{
return (__s64)t2 - (__s64)t1 > 0;
}
static inline int cfs_time_beforeq_64(u64 t1, u64 t2)
{
return (__s64)t2 - (__s64)t1 >= 0;
}
/*
* One jiffy
*/
#define CFS_TICK (1)
#define CFS_DURATION_T "%ld"
#endif /* __LIBCFS_LINUX_LINUX_TIME_H__ */
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