smp.h revision 183060 
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: head/sys/powerpc/include/smp.h 183060 2008-09-16 01:05:54Z marcel $
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
39#define	IPI_PPC_TEST		4
40
41#ifndef LOCORE
42
43void	ipi_all(int ipi);
44void	ipi_all_but_self(int ipi);
45void	ipi_selected(cpumask_t cpus, int ipi);
46void	ipi_self(int ipi);
47
48struct cpuref {
49	uintptr_t	cr_hwref;
50	u_int		cr_cpuid;
51};
52
53int	powerpc_smp_first_cpu(struct cpuref *);
54int	powerpc_smp_get_bsp(struct cpuref *);
55int	powerpc_smp_next_cpu(struct cpuref *);
56int	powerpc_smp_start_cpu(struct pcpu *);
57
58void	pmap_cpu_bootstrap(int);
59uint32_t cpudep_ap_bootstrap(void);
60void	machdep_ap_bootstrap(void);
61
62#endif /* !LOCORE */
63#endif /* _KERNEL */
64#endif /* !_MACHINE_SMP_H */
65