1219820Sjeff/*- 2219820Sjeff * Copyright (c) 2010 Isilon Systems, Inc. 3219820Sjeff * Copyright (c) 2010 iX Systems, Inc. 4219820Sjeff * Copyright (c) 2010 Panasas, Inc. 5271127Shselasky * Copyright (c) 2013, 2014 Mellanox Technologies, Ltd. 6219820Sjeff * All rights reserved. 7219820Sjeff * 8219820Sjeff * Redistribution and use in source and binary forms, with or without 9219820Sjeff * modification, are permitted provided that the following conditions 10219820Sjeff * are met: 11219820Sjeff * 1. Redistributions of source code must retain the above copyright 12219820Sjeff * notice unmodified, this list of conditions, and the following 13219820Sjeff * disclaimer. 14219820Sjeff * 2. Redistributions in binary form must reproduce the above copyright 15219820Sjeff * notice, this list of conditions and the following disclaimer in the 16219820Sjeff * documentation and/or other materials provided with the distribution. 17219820Sjeff * 18219820Sjeff * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 19219820Sjeff * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20219820Sjeff * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21219820Sjeff * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 22219820Sjeff * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23219820Sjeff * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24219820Sjeff * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25219820Sjeff * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26219820Sjeff * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27219820Sjeff * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28219820Sjeff */ 29219820Sjeff#ifndef _LINUX_JIFFIES_H_ 30219820Sjeff#define _LINUX_JIFFIES_H_ 31219820Sjeff 32219820Sjeff#include <linux/types.h> 33219820Sjeff#include <linux/kernel.h> 34219820Sjeff 35219820Sjeff#include <sys/time.h> 36219820Sjeff#include <sys/kernel.h> 37219820Sjeff 38219820Sjeffstatic inline int 39219820Sjeffmsecs_to_jiffies(int msec) 40219820Sjeff{ 41219820Sjeff struct timeval tv; 42219820Sjeff 43219820Sjeff tv.tv_sec = msec / 1000; 44219820Sjeff tv.tv_usec = (msec % 1000) * 1000; 45283675Smarkj return (tvtohz(&tv) - 1); 46219820Sjeff} 47219820Sjeff 48271127Shselasky#define jiffies ticks 49271127Shselasky#define jiffies_to_msecs(x) (((int64_t)(x)) * 1000 / hz) 50271127Shselasky 51282513Shselasky#define time_after(a, b) ((int)((b) - (a)) < 0) 52219820Sjeff#define time_before(a, b) time_after(b,a) 53282513Shselasky#define time_after_eq(a, b) ((int)((a) - (b)) >= 0) 54219820Sjeff#define time_before_eq(a, b) time_after_eq(b, a) 55219820Sjeff 56219820Sjeff#define HZ hz 57219820Sjeff 58219820Sjeff#endif /* _LINUX_JIFFIES_H_ */ 59