| 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 | |
| 46 | void	ipi_all_but_self(int ipi); |
| 47 | void	ipi_cpu(int cpu, u_int ipi); |
| 48 | void	ipi_selected(cpuset_t cpus, int ipi); |
| 49 | |
| 50 | struct cpuref { |
| 51 | 	uintptr_t	cr_hwref; |
| 52 | 	u_int		cr_cpuid; |
| 53 | 	u_int		cr_domain; |
| 54 | }; |
| 55 | |
| 56 | void	pmap_cpu_bootstrap(int); |
| 57 | void	cpudep_ap_early_bootstrap(void); |
| 58 | uintptr_t cpudep_ap_bootstrap(void); |
| 59 | void	cpudep_ap_setup(void); |
| 60 | void	machdep_ap_bootstrap(void); |
| 61 | |
| 62 | #endif /* !LOCORE */ |
| 63 | #endif /* _KERNEL */ |
| 64 | #endif /* !_MACHINE_SMP_H */ |