xref: /freebsd/sys/arm64/include/smp.h (revision b2b550777937e1f801075dda65524b40f885bbda)
1*b2b55077SAndrew Turner /*-
2*b2b55077SAndrew Turner  * Copyright (c) 2014 Andrew Turner <andrew@FreeBSD.org>
3*b2b55077SAndrew Turner  * Copyright (c) 2015 The FreeBSD Foundation
4*b2b55077SAndrew Turner  * All rights reserved.
5*b2b55077SAndrew Turner  *
6*b2b55077SAndrew Turner  * This software was developed by Andrew Turner under sponsorship from
7*b2b55077SAndrew Turner  * the FreeBSD Foundation.
8*b2b55077SAndrew Turner  *
9*b2b55077SAndrew Turner  * Redistribution and use in source and binary forms, with or without
10*b2b55077SAndrew Turner  * modification, are permitted provided that the following conditions
11*b2b55077SAndrew Turner  * are met:
12*b2b55077SAndrew Turner  * 1. Redistributions of source code must retain the above copyright
13*b2b55077SAndrew Turner  *    notice, this list of conditions and the following disclaimer.
14*b2b55077SAndrew Turner  * 2. Redistributions in binary form must reproduce the above copyright
15*b2b55077SAndrew Turner  *    notice, this list of conditions and the following disclaimer in the
16*b2b55077SAndrew Turner  *    documentation and/or other materials provided with the distribution.
17*b2b55077SAndrew Turner  *
18*b2b55077SAndrew Turner  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19*b2b55077SAndrew Turner  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20*b2b55077SAndrew Turner  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21*b2b55077SAndrew Turner  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22*b2b55077SAndrew Turner  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23*b2b55077SAndrew Turner  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24*b2b55077SAndrew Turner  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25*b2b55077SAndrew Turner  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26*b2b55077SAndrew Turner  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27*b2b55077SAndrew Turner  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28*b2b55077SAndrew Turner  * SUCH DAMAGE.
29*b2b55077SAndrew Turner  *
30*b2b55077SAndrew Turner  * $FreeBSD$
31*b2b55077SAndrew Turner  */
32*b2b55077SAndrew Turner 
33*b2b55077SAndrew Turner #ifndef	_MACHINE_SMP_H_
34*b2b55077SAndrew Turner #define	_MACHINE_SMP_H_
35*b2b55077SAndrew Turner 
36*b2b55077SAndrew Turner #include <machine/pcb.h>
37*b2b55077SAndrew Turner 
38*b2b55077SAndrew Turner enum {
39*b2b55077SAndrew Turner 	IPI_AST,
40*b2b55077SAndrew Turner 	IPI_PREEMPT,
41*b2b55077SAndrew Turner 	IPI_RENDEZVOUS,
42*b2b55077SAndrew Turner 	IPI_STOP,
43*b2b55077SAndrew Turner 	IPI_STOP_HARD,
44*b2b55077SAndrew Turner 	IPI_HARDCLOCK,
45*b2b55077SAndrew Turner 	COUNT_IPI,
46*b2b55077SAndrew Turner };
47*b2b55077SAndrew Turner 
48*b2b55077SAndrew Turner void	ipi_all_but_self(u_int ipi);
49*b2b55077SAndrew Turner void	ipi_cpu(int cpu, u_int ipi);
50*b2b55077SAndrew Turner void	ipi_selected(cpuset_t cpus, u_int ipi);
51*b2b55077SAndrew Turner 
52*b2b55077SAndrew Turner /* global data in mp_machdep.c */
53*b2b55077SAndrew Turner extern struct pcb               stoppcbs[];
54*b2b55077SAndrew Turner 
55*b2b55077SAndrew Turner #endif /* !_MACHINE_SMP_H_ */
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