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Diffstat (limited to 'cpukit/score/include/sys/timex.h')
| -rw-r--r-- | cpukit/score/include/sys/timex.h | 171 |
1 files changed, 0 insertions, 171 deletions
diff --git a/cpukit/score/include/sys/timex.h b/cpukit/score/include/sys/timex.h deleted file mode 100644 index d2d2012ff5..0000000000 --- a/cpukit/score/include/sys/timex.h +++ /dev/null @@ -1,171 +0,0 @@ -/*- - *********************************************************************** - * * - * Copyright (c) David L. Mills 1993-2001 * - * Copyright (c) Poul-Henning Kamp 2000-2001 * - * * - * Permission to use, copy, modify, and distribute this software and * - * its documentation for any purpose and without fee is hereby * - * granted, provided that the above copyright notice appears in all * - * copies and that both the copyright notice and this permission * - * notice appear in supporting documentation, and that the name * - * University of Delaware not be used in advertising or publicity * - * pertaining to distribution of the software without specific, * - * written prior permission. The University of Delaware makes no * - * representations about the suitability this software for any * - * purpose. It is provided "as is" without express or implied * - * warranty. * - * * - *********************************************************************** - * - * $FreeBSD: head/sys/sys/timex.h 298981 2016-05-03 15:14:17Z pfg $ - * - * This header file defines the Network Time Protocol (NTP) interfaces - * for user and daemon application programs. - * - * This file was originally created 17 Sep 93 by David L. Mills, Professor - * of University of Delaware, building on work which had already been ongoing - * for a decade and a half at that point in time. - * - * In 2000 the APIs got a upgrade from microseconds to nanoseconds, - * a joint work between Poul-Henning Kamp and David L. Mills. - * - */ - -#ifndef _SYS_TIMEX_H_ -#define _SYS_TIMEX_H_ 1 - -#define NTP_API 4 /* NTP API version */ - -#ifdef __FreeBSD__ -#include <sys/_timespec.h> -#endif /* __FreeBSD__ */ - -/* - * The following defines establish the performance envelope of the - * kernel discipline loop. Phase or frequency errors greater than - * NAXPHASE or MAXFREQ are clamped to these maxima. For update intervals - * less than MINSEC, the loop always operates in PLL mode; while, for - * update intervals greater than MAXSEC, the loop always operates in FLL - * mode. Between these two limits the operating mode is selected by the - * STA_FLL bit in the status word. - */ - -#define MAXPHASE 500000000L /* max phase error (ns) */ -#define MAXFREQ 500000L /* max freq error (ns/s) */ -#define MINSEC 256 /* min FLL update interval (s) */ -#define MAXSEC 2048 /* max PLL update interval (s) */ -#define NANOSECOND 1000000000L /* nanoseconds in one second */ -#define SCALE_PPM (65536 / 1000) /* crude ns/s to scaled PPM */ -#define MAXTC 10 /* max time constant */ - -/* - * Control mode codes (timex.modes) - */ -#define MOD_OFFSET 0x0001 /* set time offset */ -#define MOD_FREQUENCY 0x0002 /* set frequency offset */ -#define MOD_MAXERROR 0x0004 /* set maximum time error */ -#define MOD_ESTERROR 0x0008 /* set estimated time error */ -#define MOD_STATUS 0x0010 /* set clock status bits */ -#define MOD_TIMECONST 0x0020 /* set PLL time constant */ -#define MOD_PPSMAX 0x0040 /* set PPS maximum averaging time */ -#define MOD_TAI 0x0080 /* set TAI offset */ -#define MOD_MICRO 0x1000 /* select microsecond resolution */ -#define MOD_NANO 0x2000 /* select nanosecond resolution */ -#define MOD_CLKB 0x4000 /* select clock B */ -#define MOD_CLKA 0x8000 /* select clock A */ - -/* - * Status codes (timex.status) - */ -#define STA_PLL 0x0001 /* enable PLL updates (rw) */ -#define STA_PPSFREQ 0x0002 /* enable PPS freq discipline (rw) */ -#define STA_PPSTIME 0x0004 /* enable PPS time discipline (rw) */ -#define STA_FLL 0x0008 /* enable FLL mode (rw) */ -#define STA_INS 0x0010 /* insert leap (rw) */ -#define STA_DEL 0x0020 /* delete leap (rw) */ -#define STA_UNSYNC 0x0040 /* clock unsynchronized (rw) */ -#define STA_FREQHOLD 0x0080 /* hold frequency (rw) */ -#define STA_PPSSIGNAL 0x0100 /* PPS signal present (ro) */ -#define STA_PPSJITTER 0x0200 /* PPS signal jitter exceeded (ro) */ -#define STA_PPSWANDER 0x0400 /* PPS signal wander exceeded (ro) */ -#define STA_PPSERROR 0x0800 /* PPS signal calibration error (ro) */ -#define STA_CLOCKERR 0x1000 /* clock hardware fault (ro) */ -#define STA_NANO 0x2000 /* resolution (0 = us, 1 = ns) (ro) */ -#define STA_MODE 0x4000 /* mode (0 = PLL, 1 = FLL) (ro) */ -#define STA_CLK 0x8000 /* clock source (0 = A, 1 = B) (ro) */ - -#define STA_RONLY (STA_PPSSIGNAL | STA_PPSJITTER | STA_PPSWANDER | \ - STA_PPSERROR | STA_CLOCKERR | STA_NANO | STA_MODE | STA_CLK) - -/* - * Clock states (ntptimeval.time_state) - */ -#define TIME_OK 0 /* no leap second warning */ -#define TIME_INS 1 /* insert leap second warning */ -#define TIME_DEL 2 /* delete leap second warning */ -#define TIME_OOP 3 /* leap second in progress */ -#define TIME_WAIT 4 /* leap second has occurred */ -#define TIME_ERROR 5 /* error (see status word) */ - -/* - * NTP user interface -- ntp_gettime(2) - used to read kernel clock values - */ -struct ntptimeval { - struct timespec time; /* current time (ns) (ro) */ - long maxerror; /* maximum error (us) (ro) */ - long esterror; /* estimated error (us) (ro) */ - long tai; /* TAI offset */ - int time_state; /* time status */ -}; - -/* - * NTP daemon interface -- ntp_adjtime(2) -- used to discipline CPU clock - * oscillator and control/determine status. - * - * Note: The offset, precision and jitter members are in microseconds if - * STA_NANO is zero and nanoseconds if not. - */ -struct timex { - unsigned int modes; /* clock mode bits (wo) */ - long offset; /* time offset (ns/us) (rw) */ - long freq; /* frequency offset (scaled PPM) (rw) */ - long maxerror; /* maximum error (us) (rw) */ - long esterror; /* estimated error (us) (rw) */ - int status; /* clock status bits (rw) */ - long constant; /* poll interval (log2 s) (rw) */ - long precision; /* clock precision (ns/us) (ro) */ - long tolerance; /* clock frequency tolerance (scaled - * PPM) (ro) */ - /* - * The following read-only structure members are implemented - * only if the PPS signal discipline is configured in the - * kernel. They are included in all configurations to insure - * portability. - */ - long ppsfreq; /* PPS frequency (scaled PPM) (ro) */ - long jitter; /* PPS jitter (ns/us) (ro) */ - int shift; /* interval duration (s) (shift) (ro) */ - long stabil; /* PPS stability (scaled PPM) (ro) */ - long jitcnt; /* jitter limit exceeded (ro) */ - long calcnt; /* calibration intervals (ro) */ - long errcnt; /* calibration errors (ro) */ - long stbcnt; /* stability limit exceeded (ro) */ -}; - -#ifdef __FreeBSD__ - -#ifdef _KERNEL -void ntp_update_second(int64_t *adjustment, time_t *newsec); -#else /* !_KERNEL */ -#include <sys/cdefs.h> - -__BEGIN_DECLS -int ntp_adjtime(struct timex *); -int ntp_gettime(struct ntptimeval *); -__END_DECLS -#endif /* _KERNEL */ - -#endif /* __FreeBSD__ */ - -#endif /* !_SYS_TIMEX_H_ */ |