1 | /* Copyright (C) 1995-2014 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 | <http://www.gnu.org/licenses/>. */ |
17 | |
18 | #ifndef _BITS_TIMEX_H |
19 | #define _BITS_TIMEX_H 1 |
20 | |
21 | #include <bits/types.h> |
22 | |
23 | /* These definitions from linux/timex.h as of 2.6.30. */ |
24 | |
25 | struct timex |
26 | { |
27 | unsigned int modes; /* mode selector */ |
28 | __syscall_slong_t offset; /* time offset (usec) */ |
29 | __syscall_slong_t freq; /* frequency offset (scaled ppm) */ |
30 | __syscall_slong_t maxerror; /* maximum error (usec) */ |
31 | __syscall_slong_t esterror; /* estimated error (usec) */ |
32 | int status; /* clock command/status */ |
33 | __syscall_slong_t constant; /* pll time constant */ |
34 | __syscall_slong_t precision; /* clock precision (usec) (ro) */ |
35 | __syscall_slong_t tolerance; /* clock frequency tolerance (ppm) (ro) */ |
36 | struct timeval time; /* (read only) */ |
37 | __syscall_slong_t tick; /* (modified) usecs between clock ticks */ |
38 | __syscall_slong_t ppsfreq; /* pps frequency (scaled ppm) (ro) */ |
39 | __syscall_slong_t jitter; /* pps jitter (us) (ro) */ |
40 | int shift; /* interval duration (s) (shift) (ro) */ |
41 | __syscall_slong_t stabil; /* pps stability (scaled ppm) (ro) */ |
42 | __syscall_slong_t jitcnt; /* jitter limit exceeded (ro) */ |
43 | __syscall_slong_t calcnt; /* calibration intervals (ro) */ |
44 | __syscall_slong_t errcnt; /* calibration errors (ro) */ |
45 | __syscall_slong_t stbcnt; /* stability limit exceeded (ro) */ |
46 | |
47 | int tai; /* TAI offset (ro) */ |
48 | |
49 | /* ??? */ |
50 | int :32; int :32; int :32; int :32; |
51 | int :32; int :32; int :32; int :32; |
52 | int :32; int :32; int :32; |
53 | }; |
54 | |
55 | /* Mode codes (timex.mode) */ |
56 | #define ADJ_OFFSET 0x0001 /* time offset */ |
57 | #define ADJ_FREQUENCY 0x0002 /* frequency offset */ |
58 | #define ADJ_MAXERROR 0x0004 /* maximum time error */ |
59 | #define ADJ_ESTERROR 0x0008 /* estimated time error */ |
60 | #define ADJ_STATUS 0x0010 /* clock status */ |
61 | #define ADJ_TIMECONST 0x0020 /* pll time constant */ |
62 | #define ADJ_TAI 0x0080 /* set TAI offset */ |
63 | #define ADJ_MICRO 0x1000 /* select microsecond resolution */ |
64 | #define ADJ_NANO 0x2000 /* select nanosecond resolution */ |
65 | #define ADJ_TICK 0x4000 /* tick value */ |
66 | #define ADJ_OFFSET_SINGLESHOT 0x8001 /* old-fashioned adjtime */ |
67 | #define ADJ_OFFSET_SS_READ 0xa001 /* read-only adjtime */ |
68 | |
69 | /* xntp 3.4 compatibility names */ |
70 | #define MOD_OFFSET ADJ_OFFSET |
71 | #define MOD_FREQUENCY ADJ_FREQUENCY |
72 | #define MOD_MAXERROR ADJ_MAXERROR |
73 | #define MOD_ESTERROR ADJ_ESTERROR |
74 | #define MOD_STATUS ADJ_STATUS |
75 | #define MOD_TIMECONST ADJ_TIMECONST |
76 | #define MOD_CLKB ADJ_TICK |
77 | #define MOD_CLKA ADJ_OFFSET_SINGLESHOT /* 0x8000 in original */ |
78 | #define MOD_TAI ADJ_TAI |
79 | #define MOD_MICRO ADJ_MICRO |
80 | #define MOD_NANO ADJ_NANO |
81 | |
82 | |
83 | /* Status codes (timex.status) */ |
84 | #define STA_PLL 0x0001 /* enable PLL updates (rw) */ |
85 | #define STA_PPSFREQ 0x0002 /* enable PPS freq discipline (rw) */ |
86 | #define STA_PPSTIME 0x0004 /* enable PPS time discipline (rw) */ |
87 | #define STA_FLL 0x0008 /* select frequency-lock mode (rw) */ |
88 | |
89 | #define STA_INS 0x0010 /* insert leap (rw) */ |
90 | #define STA_DEL 0x0020 /* delete leap (rw) */ |
91 | #define STA_UNSYNC 0x0040 /* clock unsynchronized (rw) */ |
92 | #define STA_FREQHOLD 0x0080 /* hold frequency (rw) */ |
93 | |
94 | #define STA_PPSSIGNAL 0x0100 /* PPS signal present (ro) */ |
95 | #define STA_PPSJITTER 0x0200 /* PPS signal jitter exceeded (ro) */ |
96 | #define STA_PPSWANDER 0x0400 /* PPS signal wander exceeded (ro) */ |
97 | #define STA_PPSERROR 0x0800 /* PPS signal calibration error (ro) */ |
98 | |
99 | #define STA_CLOCKERR 0x1000 /* clock hardware fault (ro) */ |
100 | #define STA_NANO 0x2000 /* resolution (0 = us, 1 = ns) (ro) */ |
101 | #define STA_MODE 0x4000 /* mode (0 = PLL, 1 = FLL) (ro) */ |
102 | #define STA_CLK 0x8000 /* clock source (0 = A, 1 = B) (ro) */ |
103 | |
104 | /* Read-only bits */ |
105 | #define STA_RONLY (STA_PPSSIGNAL | STA_PPSJITTER | STA_PPSWANDER | \ |
106 | STA_PPSERROR | STA_CLOCKERR | STA_NANO | STA_MODE | STA_CLK) |
107 | |
108 | #endif /* bits/timex.h */ |
109 | |