1*d0b3c59bSPatrick Mooney /*- 2*d0b3c59bSPatrick Mooney * Copyright (c) 1996 The NetBSD Foundation, Inc. 3*d0b3c59bSPatrick Mooney * All rights reserved. 4*d0b3c59bSPatrick Mooney * 5*d0b3c59bSPatrick Mooney * This code is derived from software contributed to The NetBSD Foundation 6*d0b3c59bSPatrick Mooney * by Gordon W. Ross 7*d0b3c59bSPatrick Mooney * 8*d0b3c59bSPatrick Mooney * Redistribution and use in source and binary forms, with or without 9*d0b3c59bSPatrick Mooney * modification, are permitted provided that the following conditions 10*d0b3c59bSPatrick Mooney * are met: 11*d0b3c59bSPatrick Mooney * 1. Redistributions of source code must retain the above copyright 12*d0b3c59bSPatrick Mooney * notice, this list of conditions and the following disclaimer. 13*d0b3c59bSPatrick Mooney * 2. Redistributions in binary form must reproduce the above copyright 14*d0b3c59bSPatrick Mooney * notice, this list of conditions and the following disclaimer in the 15*d0b3c59bSPatrick Mooney * documentation and/or other materials provided with the distribution. 16*d0b3c59bSPatrick Mooney * 17*d0b3c59bSPatrick Mooney * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 18*d0b3c59bSPatrick Mooney * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 19*d0b3c59bSPatrick Mooney * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 20*d0b3c59bSPatrick Mooney * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 21*d0b3c59bSPatrick Mooney * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 22*d0b3c59bSPatrick Mooney * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23*d0b3c59bSPatrick Mooney * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 24*d0b3c59bSPatrick Mooney * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 25*d0b3c59bSPatrick Mooney * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 26*d0b3c59bSPatrick Mooney * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 27*d0b3c59bSPatrick Mooney * POSSIBILITY OF SUCH DAMAGE. 28*d0b3c59bSPatrick Mooney * 29*d0b3c59bSPatrick Mooney * $NetBSD: clock_subr.h,v 1.7 2000/10/03 13:41:07 tsutsui Exp $ 30*d0b3c59bSPatrick Mooney * 31*d0b3c59bSPatrick Mooney * 32*d0b3c59bSPatrick Mooney * This file is the central clearing-house for calendrical issues. 33*d0b3c59bSPatrick Mooney * 34*d0b3c59bSPatrick Mooney * In general the kernel does not know about minutes, hours, days, timezones, 35*d0b3c59bSPatrick Mooney * daylight savings time, leap-years and such. All that is theoretically a 36*d0b3c59bSPatrick Mooney * matter for userland only. 37*d0b3c59bSPatrick Mooney * 38*d0b3c59bSPatrick Mooney * Parts of kernel code does however care: badly designed filesystems store 39*d0b3c59bSPatrick Mooney * timestamps in local time and RTC chips sometimes track time in a local 40*d0b3c59bSPatrick Mooney * timezone instead of UTC and so on. 41*d0b3c59bSPatrick Mooney * 42*d0b3c59bSPatrick Mooney * All that code should go here for service. 43*d0b3c59bSPatrick Mooney */ 44*d0b3c59bSPatrick Mooney 45*d0b3c59bSPatrick Mooney #ifndef _COMPAT_FREEBSD_SYS_CLOCK_H_ 46*d0b3c59bSPatrick Mooney #define _COMPAT_FREEBSD_SYS_CLOCK_H_ 47*d0b3c59bSPatrick Mooney 48*d0b3c59bSPatrick Mooney #include_next <sys/clock.h> 49*d0b3c59bSPatrick Mooney 50*d0b3c59bSPatrick Mooney #ifdef _KERNEL /* No user serviceable parts */ 51*d0b3c59bSPatrick Mooney 52*d0b3c59bSPatrick Mooney /* 53*d0b3c59bSPatrick Mooney * Structure to hold the values typically reported by time-of-day clocks. 54*d0b3c59bSPatrick Mooney * This can be passed to the generic conversion functions to be converted 55*d0b3c59bSPatrick Mooney * to a struct timespec. 56*d0b3c59bSPatrick Mooney */ 57*d0b3c59bSPatrick Mooney struct clocktime { 58*d0b3c59bSPatrick Mooney int year; /* year (4 digit year) */ 59*d0b3c59bSPatrick Mooney int mon; /* month (1 - 12) */ 60*d0b3c59bSPatrick Mooney int day; /* day (1 - 31) */ 61*d0b3c59bSPatrick Mooney int hour; /* hour (0 - 23) */ 62*d0b3c59bSPatrick Mooney int min; /* minute (0 - 59) */ 63*d0b3c59bSPatrick Mooney int sec; /* second (0 - 59) */ 64*d0b3c59bSPatrick Mooney int dow; /* day of week (0 - 6; 0 = Sunday) */ 65*d0b3c59bSPatrick Mooney long nsec; /* nano seconds */ 66*d0b3c59bSPatrick Mooney }; 67*d0b3c59bSPatrick Mooney 68*d0b3c59bSPatrick Mooney int clock_ct_to_ts(struct clocktime *, struct timespec *); 69*d0b3c59bSPatrick Mooney void clock_ts_to_ct(struct timespec *, struct clocktime *); 70*d0b3c59bSPatrick Mooney 71*d0b3c59bSPatrick Mooney /* Some handy constants. */ 72*d0b3c59bSPatrick Mooney #define SECDAY (24 * 60 * 60) 73*d0b3c59bSPatrick Mooney #define SECYR (SECDAY * 365) 74*d0b3c59bSPatrick Mooney 75*d0b3c59bSPatrick Mooney /* Traditional POSIX base year */ 76*d0b3c59bSPatrick Mooney #define POSIX_BASE_YEAR 1970 77*d0b3c59bSPatrick Mooney 78*d0b3c59bSPatrick Mooney void timespec2fattime(struct timespec *tsp, int utc, u_int16_t *ddp, u_int16_t *dtp, u_int8_t *dhp); 79*d0b3c59bSPatrick Mooney void fattime2timespec(unsigned dd, unsigned dt, unsigned dh, int utc, struct timespec *tsp); 80*d0b3c59bSPatrick Mooney 81*d0b3c59bSPatrick Mooney #endif /* _KERNEL */ 82*d0b3c59bSPatrick Mooney 83*d0b3c59bSPatrick Mooney #endif /* _COMPAT_FREEBSD_SYS_CLOCK_H_ */ 84