d9d8d1449d
IPI to a specific CPU by its cpuid. Replace calls to ipi_selected() that constructed a mask for a single CPU with calls to ipi_cpu() instead. This will matter more in the future when we transition from cpumask_t to cpuset_t for CPU masks in which case building a CPU mask is more expensive. Submitted by: peter, sbruno Reviewed by: rookie Obtained from: Yahoo! (x86) MFC after: 1 month
47 lines
1.2 KiB
C
47 lines
1.2 KiB
C
/*-
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* ----------------------------------------------------------------------------
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* "THE BEER-WARE LICENSE" (Revision 42):
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* <phk@FreeBSD.org> wrote this file. As long as you retain this notice you
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* can do whatever you want with this stuff. If we meet some day, and you think
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* this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp
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* ----------------------------------------------------------------------------
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*
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* from: src/sys/alpha/include/smp.h,v 1.8 2005/01/05 20:05:50 imp
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* JNPR: smp.h,v 1.3 2006/12/02 09:53:41 katta
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* $FreeBSD$
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*
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*/
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#ifndef _MACHINE_SMP_H_
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#define _MACHINE_SMP_H_
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#ifdef _KERNEL
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#include <machine/pcb.h>
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/*
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* Interprocessor interrupts for SMP.
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*/
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#define IPI_RENDEZVOUS 0x0002
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#define IPI_AST 0x0004
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#define IPI_STOP 0x0008
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#define IPI_STOP_HARD 0x0008
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#define IPI_PREEMPT 0x0010
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#define IPI_HARDCLOCK 0x0020
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#define IPI_STATCLOCK 0x0040
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#ifndef LOCORE
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void ipi_all_but_self(int ipi);
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void ipi_cpu(int cpu, u_int ipi);
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void ipi_selected(cpumask_t cpus, int ipi);
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void smp_init_secondary(u_int32_t cpuid);
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void mpentry(void);
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extern struct pcb stoppcbs[];
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#endif /* !LOCORE */
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#endif /* _KERNEL */
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#endif /* _MACHINE_SMP_H_ */
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