1 /* Copyright (C) 1995-2022 Free Software Foundation, Inc. 2 This file is part of the GNU C Library. 3 4 The GNU C Library is free software; you can redistribute it and/or 5 modify it under the terms of the GNU Lesser General Public 6 License as published by the Free Software Foundation; either 7 version 2.1 of the License, or (at your option) any later version. 8 9 The GNU C Library is distributed in the hope that it will be useful, 10 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 Lesser General Public License for more details. 13 14 You should have received a copy of the GNU Lesser General Public 15 License along with the GNU C Library; if not, see 16 <https://www.gnu.org/licenses/>. */ 17 18 #ifndef _BITS_TIMEX_H 19 #define _BITS_TIMEX_H 1 20 21 #include <bits/types.h> 22 #include <bits/types/struct_timeval.h> 23 24 /* These definitions from linux/timex.h as of 3.18. */ 25 26 struct timex 27 { 28 # if defined __USE_TIME_BITS64 || (__TIMESIZE == 64 && __WORDSIZE == 32) 29 unsigned int modes; /* mode selector */ 30 int :32; /* pad */ 31 long long offset; /* time offset (usec) */ 32 long long freq; /* frequency offset (scaled ppm) */ 33 long long maxerror; /* maximum error (usec) */ 34 long long esterror; /* estimated error (usec) */ 35 int status; /* clock command/status */ 36 int :32; /* pad */ 37 long long constant; /* pll time constant */ 38 long long precision; /* clock precision (usec) (read only) */ 39 long long tolerance; /* clock frequency tolerance (ppm) (ro) */ 40 struct timeval time; /* (read only, except for ADJ_SETOFFSET) */ 41 long long tick; /* (modified) usecs between clock ticks */ 42 long long ppsfreq; /* pps frequency (scaled ppm) (ro) */ 43 long long jitter; /* pps jitter (us) (ro) */ 44 int shift; /* interval duration (s) (shift) (ro) */ 45 int :32; /* pad */ 46 long long stabil; /* pps stability (scaled ppm) (ro) */ 47 long long jitcnt; /* jitter limit exceeded (ro) */ 48 long long calcnt; /* calibration intervals (ro) */ 49 long long errcnt; /* calibration errors (ro) */ 50 long long stbcnt; /* stability limit exceeded (ro) */ 51 52 int tai; /* TAI offset (ro) */ 53 54 int :32; int :32; int :32; int :32; 55 int :32; int :32; int :32; int :32; 56 int :32; int :32; int :32; 57 # else 58 unsigned int modes; /* mode selector */ 59 __syscall_slong_t offset; /* time offset (usec) */ 60 __syscall_slong_t freq; /* frequency offset (scaled ppm) */ 61 __syscall_slong_t maxerror; /* maximum error (usec) */ 62 __syscall_slong_t esterror; /* estimated error (usec) */ 63 int status; /* clock command/status */ 64 __syscall_slong_t constant; /* pll time constant */ 65 __syscall_slong_t precision; /* clock precision (usec) (ro) */ 66 __syscall_slong_t tolerance; /* clock frequency tolerance (ppm) (ro) */ 67 struct timeval time; /* (read only, except for ADJ_SETOFFSET) */ 68 __syscall_slong_t tick; /* (modified) usecs between clock ticks */ 69 __syscall_slong_t ppsfreq; /* pps frequency (scaled ppm) (ro) */ 70 __syscall_slong_t jitter; /* pps jitter (us) (ro) */ 71 int shift; /* interval duration (s) (shift) (ro) */ 72 __syscall_slong_t stabil; /* pps stability (scaled ppm) (ro) */ 73 __syscall_slong_t jitcnt; /* jitter limit exceeded (ro) */ 74 __syscall_slong_t calcnt; /* calibration intervals (ro) */ 75 __syscall_slong_t errcnt; /* calibration errors (ro) */ 76 __syscall_slong_t stbcnt; /* stability limit exceeded (ro) */ 77 78 int tai; /* TAI offset (ro) */ 79 80 /* ??? */ 81 int :32; int :32; int :32; int :32; 82 int :32; int :32; int :32; int :32; 83 int :32; int :32; int :32; 84 # endif 85 }; 86 87 /* Mode codes (timex.mode) */ 88 #define ADJ_OFFSET 0x0001 /* time offset */ 89 #define ADJ_FREQUENCY 0x0002 /* frequency offset */ 90 #define ADJ_MAXERROR 0x0004 /* maximum time error */ 91 #define ADJ_ESTERROR 0x0008 /* estimated time error */ 92 #define ADJ_STATUS 0x0010 /* clock status */ 93 #define ADJ_TIMECONST 0x0020 /* pll time constant */ 94 #define ADJ_TAI 0x0080 /* set TAI offset */ 95 #define ADJ_SETOFFSET 0x0100 /* add 'time' to current time */ 96 #define ADJ_MICRO 0x1000 /* select microsecond resolution */ 97 #define ADJ_NANO 0x2000 /* select nanosecond resolution */ 98 #define ADJ_TICK 0x4000 /* tick value */ 99 #define ADJ_OFFSET_SINGLESHOT 0x8001 /* old-fashioned adjtime */ 100 #define ADJ_OFFSET_SS_READ 0xa001 /* read-only adjtime */ 101 102 /* xntp 3.4 compatibility names */ 103 #define MOD_OFFSET ADJ_OFFSET 104 #define MOD_FREQUENCY ADJ_FREQUENCY 105 #define MOD_MAXERROR ADJ_MAXERROR 106 #define MOD_ESTERROR ADJ_ESTERROR 107 #define MOD_STATUS ADJ_STATUS 108 #define MOD_TIMECONST ADJ_TIMECONST 109 #define MOD_CLKB ADJ_TICK 110 #define MOD_CLKA ADJ_OFFSET_SINGLESHOT /* 0x8000 in original */ 111 #define MOD_TAI ADJ_TAI 112 #define MOD_MICRO ADJ_MICRO 113 #define MOD_NANO ADJ_NANO 114 115 116 /* Status codes (timex.status) */ 117 #define STA_PLL 0x0001 /* enable PLL updates (rw) */ 118 #define STA_PPSFREQ 0x0002 /* enable PPS freq discipline (rw) */ 119 #define STA_PPSTIME 0x0004 /* enable PPS time discipline (rw) */ 120 #define STA_FLL 0x0008 /* select frequency-lock mode (rw) */ 121 122 #define STA_INS 0x0010 /* insert leap (rw) */ 123 #define STA_DEL 0x0020 /* delete leap (rw) */ 124 #define STA_UNSYNC 0x0040 /* clock unsynchronized (rw) */ 125 #define STA_FREQHOLD 0x0080 /* hold frequency (rw) */ 126 127 #define STA_PPSSIGNAL 0x0100 /* PPS signal present (ro) */ 128 #define STA_PPSJITTER 0x0200 /* PPS signal jitter exceeded (ro) */ 129 #define STA_PPSWANDER 0x0400 /* PPS signal wander exceeded (ro) */ 130 #define STA_PPSERROR 0x0800 /* PPS signal calibration error (ro) */ 131 132 #define STA_CLOCKERR 0x1000 /* clock hardware fault (ro) */ 133 #define STA_NANO 0x2000 /* resolution (0 = us, 1 = ns) (ro) */ 134 #define STA_MODE 0x4000 /* mode (0 = PLL, 1 = FLL) (ro) */ 135 #define STA_CLK 0x8000 /* clock source (0 = A, 1 = B) (ro) */ 136 137 /* Read-only bits */ 138 #define STA_RONLY (STA_PPSSIGNAL | STA_PPSJITTER | STA_PPSWANDER \ 139 | STA_PPSERROR | STA_CLOCKERR | STA_NANO | STA_MODE | STA_CLK) 140 141 #endif /* bits/timex.h */ 142