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smp.h (2066B) - Raw


      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 */