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 */ 65