1/*-
 2 * SPDX-License-Identifier: BSD-2-Clause
 3 *
 4 * Copyright (c) 2008 Marcel Moolenaar
 5 * All rights reserved.
 6 *
 7 * Redistribution and use in source and binary forms, with or without
 8 * modification, are permitted provided that the following conditions
 9 * are met:
10 *
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#ifndef _MACHINE_SMP_H_
30#define _MACHINE_SMP_H_
31
32#ifdef _KERNEL
33
34#define	IPI_AST			0
35#define	IPI_PREEMPT		1
36#define	IPI_RENDEZVOUS		2
37#define	IPI_STOP		3
38#define	IPI_STOP_HARD		3
39#define	IPI_HARDCLOCK		4
40
41#ifndef LOCORE
42
43#include <machine/pcb.h>
44#include <sys/_cpuset.h>
45
46void	ipi_all_but_self(int ipi);
47void	ipi_cpu(int cpu, u_int ipi);
48void	ipi_selected(cpuset_t cpus, int ipi);
49
50struct cpuref {
51	uintptr_t	cr_hwref;
52	u_int		cr_cpuid;
53	u_int		cr_domain;
54};
55
56void	pmap_cpu_bootstrap(int);
57void	cpudep_ap_early_bootstrap(void);
58uintptr_t cpudep_ap_bootstrap(void);
59void	cpudep_ap_setup(void);
60void	machdep_ap_bootstrap(void);
61
62#endif /* !LOCORE */
63#endif /* _KERNEL */
64#endif /* !_MACHINE_SMP_H */