14c87aefeSPatrick Mooney /*- 24c87aefeSPatrick Mooney * Copyright (c) 1996 The NetBSD Foundation, Inc. 34c87aefeSPatrick Mooney * All rights reserved. 44c87aefeSPatrick Mooney * 54c87aefeSPatrick Mooney * This code is derived from software contributed to The NetBSD Foundation 64c87aefeSPatrick Mooney * by Gordon W. Ross 74c87aefeSPatrick Mooney * 84c87aefeSPatrick Mooney * Redistribution and use in source and binary forms, with or without 94c87aefeSPatrick Mooney * modification, are permitted provided that the following conditions 104c87aefeSPatrick Mooney * are met: 114c87aefeSPatrick Mooney * 1. Redistributions of source code must retain the above copyright 124c87aefeSPatrick Mooney * notice, this list of conditions and the following disclaimer. 134c87aefeSPatrick Mooney * 2. Redistributions in binary form must reproduce the above copyright 144c87aefeSPatrick Mooney * notice, this list of conditions and the following disclaimer in the 154c87aefeSPatrick Mooney * documentation and/or other materials provided with the distribution. 164c87aefeSPatrick Mooney * 174c87aefeSPatrick Mooney * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 184c87aefeSPatrick Mooney * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 194c87aefeSPatrick Mooney * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 204c87aefeSPatrick Mooney * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 214c87aefeSPatrick Mooney * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 224c87aefeSPatrick Mooney * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 234c87aefeSPatrick Mooney * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 244c87aefeSPatrick Mooney * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 254c87aefeSPatrick Mooney * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 264c87aefeSPatrick Mooney * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 274c87aefeSPatrick Mooney * POSSIBILITY OF SUCH DAMAGE. 284c87aefeSPatrick Mooney * 294c87aefeSPatrick Mooney * $NetBSD: clock_subr.h,v 1.7 2000/10/03 13:41:07 tsutsui Exp $ 304c87aefeSPatrick Mooney * 314c87aefeSPatrick Mooney * 324c87aefeSPatrick Mooney * This file is the central clearing-house for calendrical issues. 334c87aefeSPatrick Mooney * 344c87aefeSPatrick Mooney * In general the kernel does not know about minutes, hours, days, timezones, 354c87aefeSPatrick Mooney * daylight savings time, leap-years and such. All that is theoretically a 364c87aefeSPatrick Mooney * matter for userland only. 374c87aefeSPatrick Mooney * 384c87aefeSPatrick Mooney * Parts of kernel code does however care: badly designed filesystems store 394c87aefeSPatrick Mooney * timestamps in local time and RTC chips sometimes track time in a local 404c87aefeSPatrick Mooney * timezone instead of UTC and so on. 414c87aefeSPatrick Mooney * 424c87aefeSPatrick Mooney * All that code should go here for service. 434c87aefeSPatrick Mooney */ 444c87aefeSPatrick Mooney 454c87aefeSPatrick Mooney #ifndef _COMPAT_FREEBSD_SYS_CLOCK_H_ 464c87aefeSPatrick Mooney #define _COMPAT_FREEBSD_SYS_CLOCK_H_ 474c87aefeSPatrick Mooney 484c87aefeSPatrick Mooney #include_next <sys/clock.h> 494c87aefeSPatrick Mooney 504c87aefeSPatrick Mooney #ifdef _KERNEL /* No user serviceable parts */ 514c87aefeSPatrick Mooney 524c87aefeSPatrick Mooney /* 534c87aefeSPatrick Mooney * Structure to hold the values typically reported by time-of-day clocks. 544c87aefeSPatrick Mooney * This can be passed to the generic conversion functions to be converted 554c87aefeSPatrick Mooney * to a struct timespec. 564c87aefeSPatrick Mooney */ 574c87aefeSPatrick Mooney struct clocktime { 584c87aefeSPatrick Mooney int year; /* year (4 digit year) */ 594c87aefeSPatrick Mooney int mon; /* month (1 - 12) */ 604c87aefeSPatrick Mooney int day; /* day (1 - 31) */ 614c87aefeSPatrick Mooney int hour; /* hour (0 - 23) */ 624c87aefeSPatrick Mooney int min; /* minute (0 - 59) */ 634c87aefeSPatrick Mooney int sec; /* second (0 - 59) */ 644c87aefeSPatrick Mooney int dow; /* day of week (0 - 6; 0 = Sunday) */ 654c87aefeSPatrick Mooney long nsec; /* nano seconds */ 664c87aefeSPatrick Mooney }; 674c87aefeSPatrick Mooney 684c87aefeSPatrick Mooney int clock_ct_to_ts(struct clocktime *, struct timespec *); 694c87aefeSPatrick Mooney void clock_ts_to_ct(struct timespec *, struct clocktime *); 704c87aefeSPatrick Mooney 714c87aefeSPatrick Mooney /* Some handy constants. */ 724c87aefeSPatrick Mooney #define SECDAY (24 * 60 * 60) 734c87aefeSPatrick Mooney #define SECYR (SECDAY * 365) 744c87aefeSPatrick Mooney 754c87aefeSPatrick Mooney /* Traditional POSIX base year */ 764c87aefeSPatrick Mooney #define POSIX_BASE_YEAR 1970 774c87aefeSPatrick Mooney 784c87aefeSPatrick Mooney void timespec2fattime(struct timespec *tsp, int utc, u_int16_t *ddp, u_int16_t *dtp, u_int8_t *dhp); 794c87aefeSPatrick Mooney void fattime2timespec(unsigned dd, unsigned dt, unsigned dh, int utc, struct timespec *tsp); 804c87aefeSPatrick Mooney 814c87aefeSPatrick Mooney #endif /* _KERNEL */ 824c87aefeSPatrick Mooney 834c87aefeSPatrick Mooney #endif /* _COMPAT_FREEBSD_SYS_CLOCK_H_ */ 84