diff --git a/sys/compat/linuxkpi/common/include/linux/jiffies.h b/sys/compat/linuxkpi/common/include/linux/jiffies.h index ed2c5f774d23..7d547e6d66cd 100644 --- a/sys/compat/linuxkpi/common/include/linux/jiffies.h +++ b/sys/compat/linuxkpi/common/include/linux/jiffies.h @@ -1,166 +1,167 @@ /*- * Copyright (c) 2010 Isilon Systems, Inc. * Copyright (c) 2010 iX Systems, Inc. * Copyright (c) 2010 Panasas, Inc. * Copyright (c) 2013-2016 Mellanox Technologies, Ltd. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice unmodified, this list of conditions, and the following * disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * $FreeBSD$ */ #ifndef _LINUX_JIFFIES_H_ #define _LINUX_JIFFIES_H_ #include #include #include #include #include #define jiffies ticks #define jiffies_64 ticks #define jiffies_to_msecs(x) (((int64_t)(int)(x)) * 1000 / hz) #define MAX_JIFFY_OFFSET ((INT_MAX >> 1) - 1) #define time_after(a, b) ((int)((b) - (a)) < 0) #define time_after32(a, b) ((int32_t)((uint32_t)(b) - (uint32_t)(a)) < 0) #define time_before(a, b) time_after(b,a) #define time_before32(a, b) time_after32(b, a) #define time_after_eq(a, b) ((int)((a) - (b)) >= 0) #define time_before_eq(a, b) time_after_eq(b, a) #define time_in_range(a,b,c) \ (time_after_eq(a,b) && time_before_eq(a,c)) #define time_is_after_eq_jiffies(a) time_after_eq(a, jiffies) +#define time_is_after_jiffies(a) time_after(a, jiffies) #define HZ hz extern uint64_t lkpi_nsec2hz_rem; extern uint64_t lkpi_nsec2hz_div; extern uint64_t lkpi_nsec2hz_max; extern uint64_t lkpi_usec2hz_rem; extern uint64_t lkpi_usec2hz_div; extern uint64_t lkpi_usec2hz_max; extern uint64_t lkpi_msec2hz_rem; extern uint64_t lkpi_msec2hz_div; extern uint64_t lkpi_msec2hz_max; static inline int timespec_to_jiffies(const struct timespec *ts) { u64 result; result = ((u64)hz * ts->tv_sec) + (((u64)hz * ts->tv_nsec + NSEC_PER_SEC - 1) / NSEC_PER_SEC); if (result > MAX_JIFFY_OFFSET) result = MAX_JIFFY_OFFSET; return ((int)result); } static inline int msecs_to_jiffies(uint64_t msec) { uint64_t result; if (msec > lkpi_msec2hz_max) msec = lkpi_msec2hz_max; result = howmany(msec * lkpi_msec2hz_rem, lkpi_msec2hz_div); if (result > MAX_JIFFY_OFFSET) result = MAX_JIFFY_OFFSET; return ((int)result); } static inline int usecs_to_jiffies(uint64_t usec) { uint64_t result; if (usec > lkpi_usec2hz_max) usec = lkpi_usec2hz_max; result = howmany(usec * lkpi_usec2hz_rem, lkpi_usec2hz_div); if (result > MAX_JIFFY_OFFSET) result = MAX_JIFFY_OFFSET; return ((int)result); } static inline uint64_t nsecs_to_jiffies64(uint64_t nsec) { if (nsec > lkpi_nsec2hz_max) nsec = lkpi_nsec2hz_max; return (howmany(nsec * lkpi_nsec2hz_rem, lkpi_nsec2hz_div)); } static inline unsigned long nsecs_to_jiffies(uint64_t nsec) { if (sizeof(unsigned long) >= sizeof(uint64_t)) { if (nsec > lkpi_nsec2hz_max) nsec = lkpi_nsec2hz_max; } else { if (nsec > (lkpi_nsec2hz_max >> 32)) nsec = (lkpi_nsec2hz_max >> 32); } return (howmany(nsec * lkpi_nsec2hz_rem, lkpi_nsec2hz_div)); } static inline uint64_t jiffies_to_nsecs(int j) { return ((1000000000ULL / hz) * (uint64_t)(unsigned int)j); } static inline uint64_t jiffies_to_usecs(int j) { return ((1000000ULL / hz) * (uint64_t)(unsigned int)j); } static inline uint64_t get_jiffies_64(void) { return ((uint64_t)(unsigned int)ticks); } static inline int linux_timer_jiffies_until(int expires) { int delta = expires - jiffies; /* guard against already expired values */ if (delta < 1) delta = 1; return (delta); } #endif /* _LINUX_JIFFIES_H_ */