xref: /freebsd/sys/powerpc/include/smp.h (revision 6be3386466ab79a84b48429ae66244f21526d3df)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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  * $FreeBSD$
29  */
30 
31 #ifndef _MACHINE_SMP_H_
32 #define _MACHINE_SMP_H_
33 
34 #ifdef _KERNEL
35 
36 #define	IPI_AST			0
37 #define	IPI_PREEMPT		1
38 #define	IPI_RENDEZVOUS		2
39 #define	IPI_STOP		3
40 #define	IPI_STOP_HARD		3
41 #define	IPI_HARDCLOCK		4
42 
43 #ifndef LOCORE
44 
45 #include <machine/pcb.h>
46 #include <sys/_cpuset.h>
47 
48 void	ipi_all_but_self(int ipi);
49 void	ipi_cpu(int cpu, u_int ipi);
50 void	ipi_selected(cpuset_t cpus, int ipi);
51 
52 struct cpuref {
53 	uintptr_t	cr_hwref;
54 	u_int		cr_cpuid;
55 	u_int		cr_domain;
56 };
57 
58 void	pmap_cpu_bootstrap(int);
59 void	cpudep_ap_early_bootstrap(void);
60 uintptr_t cpudep_ap_bootstrap(void);
61 void	cpudep_ap_setup(void);
62 void	machdep_ap_bootstrap(void);
63 
64 extern struct pcb stoppcbs[];
65 
66 #endif /* !LOCORE */
67 #endif /* _KERNEL */
68 #endif /* !_MACHINE_SMP_H */
69