| clock.h (331496) | clock.h (331503) |
|---|---|
| 1/*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 1996 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Gordon W. Ross --- 29 unchanged lines hidden (view full) --- 38 * matter for userland only. 39 * 40 * Parts of kernel code does however care: badly designed filesystems store 41 * timestamps in local time and RTC chips sometimes track time in a local 42 * timezone instead of UTC and so on. 43 * 44 * All that code should go here for service. 45 * | 1/*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 1996 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Gordon W. Ross --- 29 unchanged lines hidden (view full) --- 38 * matter for userland only. 39 * 40 * Parts of kernel code does however care: badly designed filesystems store 41 * timestamps in local time and RTC chips sometimes track time in a local 42 * timezone instead of UTC and so on. 43 * 44 * All that code should go here for service. 45 * |
| 46 * $FreeBSD: stable/11/sys/sys/clock.h 331496 2018-03-24 20:40:16Z ian $ | 46 * $FreeBSD: stable/11/sys/sys/clock.h 331503 2018-03-24 23:01:10Z ian $ |
| 47 */ 48 49#ifndef _SYS_CLOCK_H_ 50#define _SYS_CLOCK_H_ 51 52#ifdef _KERNEL /* No user serviceable parts */ 53 54/* --- 28 unchanged lines hidden (view full) --- 83 int day; /* day (1 - 31) */ 84 int hour; /* hour (0 - 23) */ 85 int min; /* minute (0 - 59) */ 86 int sec; /* second (0 - 59) */ 87 int dow; /* day of week (0 - 6; 0 = Sunday) */ 88 long nsec; /* nano seconds */ 89}; 90 | 47 */ 48 49#ifndef _SYS_CLOCK_H_ 50#define _SYS_CLOCK_H_ 51 52#ifdef _KERNEL /* No user serviceable parts */ 53 54/* --- 28 unchanged lines hidden (view full) --- 83 int day; /* day (1 - 31) */ 84 int hour; /* hour (0 - 23) */ 85 int min; /* minute (0 - 59) */ 86 int sec; /* second (0 - 59) */ 87 int dow; /* day of week (0 - 6; 0 = Sunday) */ 88 long nsec; /* nano seconds */ 89}; 90 |
| 91int clock_ct_to_ts(struct clocktime *, struct timespec *); 92void clock_ts_to_ct(struct timespec *, struct clocktime *); | 91int clock_ct_to_ts(const struct clocktime *, struct timespec *); 92void clock_ts_to_ct(const struct timespec *, struct clocktime *); |
| 93 94/* 95 * Structure to hold the values typically reported by time-of-day clocks, 96 * expressed as BCD. This can be passed to the conversion functions to be 97 * converted to/from a struct timespec. 98 * 99 * The clock_bcd_to_ts() function interprets the values in the year through sec 100 * fields as BCD numbers, and returns EINVAL if any BCD values are out of range. --- 19 unchanged lines hidden (view full) --- 120 uint8_t hour; /* hour (0 - 23 or 1 - 12) */ 121 uint8_t min; /* minute (0 - 59) */ 122 uint8_t sec; /* second (0 - 59) */ 123 uint8_t dow; /* day of week (0 - 6; 0 = Sunday) */ 124 long nsec; /* nanoseconds */ 125 bool ispm; /* true if hour represents pm time */ 126}; 127 | 93 94/* 95 * Structure to hold the values typically reported by time-of-day clocks, 96 * expressed as BCD. This can be passed to the conversion functions to be 97 * converted to/from a struct timespec. 98 * 99 * The clock_bcd_to_ts() function interprets the values in the year through sec 100 * fields as BCD numbers, and returns EINVAL if any BCD values are out of range. --- 19 unchanged lines hidden (view full) --- 120 uint8_t hour; /* hour (0 - 23 or 1 - 12) */ 121 uint8_t min; /* minute (0 - 59) */ 122 uint8_t sec; /* second (0 - 59) */ 123 uint8_t dow; /* day of week (0 - 6; 0 = Sunday) */ 124 long nsec; /* nanoseconds */ 125 bool ispm; /* true if hour represents pm time */ 126}; 127 |
| 128int clock_bcd_to_ts(struct bcd_clocktime *, struct timespec *, bool ampm); 129void clock_ts_to_bcd(struct timespec *, struct bcd_clocktime *, bool ampm); | 128int clock_bcd_to_ts(const struct bcd_clocktime *, struct timespec *, bool ampm); 129void clock_ts_to_bcd(const struct timespec *, struct bcd_clocktime *, bool ampm); |
| 130 131/* 132 * Time-of-day clock functions and flags. These functions might sleep. 133 * 134 * clock_register and clock_unregister() do what they say. Upon return from 135 * unregister, the clock's methods are not running and will not be called again. 136 * 137 * clock_schedule() requests that a registered clock's clock_settime() calls --- 34 unchanged lines hidden (view full) --- 172 173/* Some handy constants. */ 174#define SECDAY (24 * 60 * 60) 175#define SECYR (SECDAY * 365) 176 177/* Traditional POSIX base year */ 178#define POSIX_BASE_YEAR 1970 179 | 130 131/* 132 * Time-of-day clock functions and flags. These functions might sleep. 133 * 134 * clock_register and clock_unregister() do what they say. Upon return from 135 * unregister, the clock's methods are not running and will not be called again. 136 * 137 * clock_schedule() requests that a registered clock's clock_settime() calls --- 34 unchanged lines hidden (view full) --- 172 173/* Some handy constants. */ 174#define SECDAY (24 * 60 * 60) 175#define SECYR (SECDAY * 365) 176 177/* Traditional POSIX base year */ 178#define POSIX_BASE_YEAR 1970 179 |
| 180void timespec2fattime(struct timespec *tsp, int utc, u_int16_t *ddp, u_int16_t *dtp, u_int8_t *dhp); 181void fattime2timespec(unsigned dd, unsigned dt, unsigned dh, int utc, struct timespec *tsp); | 180void timespec2fattime(const struct timespec *tsp, int utc, u_int16_t *ddp, 181 u_int16_t *dtp, u_int8_t *dhp); 182void fattime2timespec(unsigned dd, unsigned dt, unsigned dh, int utc, 183 struct timespec *tsp); |
| 182 | 184 |
| 185/* 186 * Print a [bcd_]clocktime or timespec, optionally with fractional seconds. The 187 * nsdig argument can range from 0-9, and specifies how many decimal digits to 188 * display for fractional seconds. 189 */ 190void clock_print_bcd(const struct bcd_clocktime *bct, int nsdig); 191void clock_print_ct(const struct clocktime *ct, int nsdig); 192void clock_print_ts(const struct timespec *ts, int nsdig); 193 194/* 195 * Debugging helpers for RTC clock drivers. Print a [bcd_]clocktime or 196 * timespec, only if rtc clock debugging has been enabled. The rw argument is 197 * one of CLOCK_DBG_READ or CLOCK_DBG_WRITE. 198 */ 199#define CLOCK_DBG_READ 0x01 200#define CLOCK_DBG_WRITE 0x02 201void clock_dbgprint_bcd(device_t dev, int rw, const struct bcd_clocktime *bct); 202void clock_dbgprint_ct(device_t dev, int rw, const struct clocktime *ct); 203void clock_dbgprint_err(device_t dev, int rw, int err); 204void clock_dbgprint_ts(device_t dev, int rw, const struct timespec *ts); 205 |
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| 183#endif /* _KERNEL */ 184 185#endif /* !_SYS_CLOCK_H_ */ | 206#endif /* _KERNEL */ 207 208#endif /* !_SYS_CLOCK_H_ */ |