1/*-
2 * Copyright (c) 2014 Bjoern A. Zeeb
3 * All rights reserved.
4 *
5 * This software was developed by SRI International and the University of
6 * Cambridge Computer Laboratory under DARPA/AFRL contract FA8750-11-C-0249
7 * ("MRC2"), as part of the DARPA MRC research programme.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 *
30 * $FreeBSD: stable/11/sys/compat/linux/linux_timer.h 360451 2020-04-28 20:14:38Z brooks $
31 */
32
33#ifndef	_LINUX_TIMER_H
34#define	_LINUX_TIMER_H
35
36#include <sys/abi_compat.h>
37
38#ifndef	__LINUX_ARCH_SIGEV_PREAMBLE_SIZE
39#define	__LINUX_ARCH_SIGEV_PREAMBLE_SIZE	\
40	(sizeof(l_int) * 2 + sizeof(l_sigval_t))
41#endif
42
43#define	LINUX_SIGEV_MAX_SIZE			64
44#define	LINUX_SIGEV_PAD_SIZE			\
45	((LINUX_SIGEV_MAX_SIZE - __LINUX_ARCH_SIGEV_PREAMBLE_SIZE) / \
46	sizeof(l_int))
47
48#define	LINUX_CLOCK_REALTIME			0
49#define	LINUX_CLOCK_MONOTONIC			1
50#define	LINUX_CLOCK_PROCESS_CPUTIME_ID		2
51#define	LINUX_CLOCK_THREAD_CPUTIME_ID		3
52#define	LINUX_CLOCK_MONOTONIC_RAW		4
53#define	LINUX_CLOCK_REALTIME_COARSE		5
54#define	LINUX_CLOCK_MONOTONIC_COARSE		6
55#define	LINUX_CLOCK_BOOTTIME			7
56#define	LINUX_CLOCK_REALTIME_ALARM		8
57#define	LINUX_CLOCK_BOOTTIME_ALARM		9
58#define	LINUX_CLOCK_SGI_CYCLE			10
59#define	LINUX_CLOCK_TAI				11
60
61#define	LINUX_CPUCLOCK_PERTHREAD_MASK		4
62#define	LINUX_CPUCLOCK_MASK			3
63#define	LINUX_CPUCLOCK_WHICH(clock)		\
64	((clock) & (clockid_t) LINUX_CPUCLOCK_MASK)
65#define	LINUX_CPUCLOCK_PROF			0
66#define	LINUX_CPUCLOCK_VIRT			1
67#define	LINUX_CPUCLOCK_SCHED			2
68#define	LINUX_CPUCLOCK_MAX			3
69#define	LINUX_CLOCKFD				LINUX_CPUCLOCK_MAX
70#define	LINUX_CLOCKFD_MASK			\
71	(LINUX_CPUCLOCK_PERTHREAD_MASK|LINUX_CPUCLOCK_MASK)
72
73#define	LINUX_CPUCLOCK_ID(clock)		((pid_t) ~((clock) >> 3))
74#define	LINUX_CPUCLOCK_PERTHREAD(clock)		\
75	(((clock) & (clockid_t) LINUX_CPUCLOCK_PERTHREAD_MASK) != 0)
76
77#define	LINUX_TIMER_ABSTIME			0x01
78
79#define	L_SIGEV_SIGNAL				0
80#define	L_SIGEV_NONE				1
81#define	L_SIGEV_THREAD				2
82#define	L_SIGEV_THREAD_ID			4
83
84struct l_sigevent {
85	l_sigval_t sigev_value;
86	l_int sigev_signo;
87	l_int sigev_notify;
88	union {
89		l_int _pad[LINUX_SIGEV_PAD_SIZE];
90		l_int _tid;
91		struct {
92			l_uintptr_t _function;
93			l_uintptr_t _attribute;
94		} _l_sigev_thread;
95	} _l_sigev_un;
96}
97#if defined(__amd64__) && defined(COMPAT_LINUX32)
98__packed
99#endif
100;
101
102struct l_itimerspec {
103	struct l_timespec it_interval;
104	struct l_timespec it_value;
105};
106
107int native_to_linux_timespec(struct l_timespec *,
108				     struct timespec *);
109int linux_to_native_timespec(struct timespec *,
110				     struct l_timespec *);
111int linux_to_native_clockid(clockid_t *, clockid_t);
112int native_to_linux_itimerspec(struct l_itimerspec *,
113				     struct itimerspec *);
114int linux_to_native_itimerspec(struct itimerspec *,
115				     struct l_itimerspec *);
116int linux_to_native_timerflags(int *, int);
117
118#endif	/* _LINUX_TIMER_H */
119