xref: /freebsd/sys/powerpc/include/smp.h (revision 999987e51a2db77e5407c5a2cdb5d759b1317714)
1 /*-
2  * Copyright (c) 2008 Marcel Moolenaar
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  *
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25  *
26  * $FreeBSD$
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 
40 #ifndef LOCORE
41 
42 void	ipi_all_but_self(int ipi);
43 void	ipi_selected(cpumask_t cpus, int ipi);
44 
45 struct cpuref {
46 	uintptr_t	cr_hwref;
47 	u_int		cr_cpuid;
48 };
49 
50 void	pmap_cpu_bootstrap(int);
51 uintptr_t cpudep_ap_bootstrap(void);
52 void	cpudep_ap_setup(void);
53 void	machdep_ap_bootstrap(void);
54 
55 #endif /* !LOCORE */
56 #endif /* _KERNEL */
57 #endif /* !_MACHINE_SMP_H */
58