smp.h revision 176734 
1/*-
2 * ----------------------------------------------------------------------------
3 * "THE BEER-WARE LICENSE" (Revision 42):
4 * <phk@FreeBSD.org> wrote this file.  As long as you retain this notice you
5 * can do whatever you want with this stuff. If we meet some day, and you think
6 * this stuff is worth it, you can buy me a beer in return.   Poul-Henning Kamp
7 * ----------------------------------------------------------------------------
8 *
9 * $FreeBSD: head/sys/amd64/include/smp.h 176734 2008-03-02 07:58:42Z jeff $
10 *
11 */
12
13#ifndef _MACHINE_SMP_H_
14#define _MACHINE_SMP_H_
15
16#ifdef _KERNEL
17
18#ifdef SMP
19
20#ifndef LOCORE
21
22#include <sys/bus.h>
23#include <machine/frame.h>
24#include <machine/intr_machdep.h>
25#include <machine/apicvar.h>
26#include <machine/pcb.h>
27
28/* global symbols in mpboot.S */
29extern char			mptramp_start[];
30extern char			mptramp_end[];
31extern u_int32_t		mptramp_pagetables;
32
33/* global data in mp_machdep.c */
34extern int			mp_naps;
35extern int			boot_cpu_id;
36extern struct pcb		stoppcbs[];
37extern int			cpu_apic_ids[];
38
39/* global data in identcpu.c */
40extern int			cpu_cores;
41extern int			cpu_logical;
42
43/* IPI handlers */
44inthand_t
45	IDTVEC(invltlb),	/* TLB shootdowns - global */
46	IDTVEC(invlpg),		/* TLB shootdowns - 1 page */
47	IDTVEC(invlrng),	/* TLB shootdowns - page range */
48	IDTVEC(invlcache),	/* Write back and invalidate cache */
49	IDTVEC(ipi_intr_bitmap_handler), /* Bitmap based IPIs */
50	IDTVEC(cpustop),	/* CPU stops & waits to be restarted */
51	IDTVEC(rendezvous);	/* handle CPU rendezvous */
52
53/* functions in mp_machdep.c */
54void	cpu_add(u_int apic_id, char boot_cpu);
55void	cpustop_handler(void);
56void	init_secondary(void);
57void	ipi_selected(u_int cpus, u_int ipi);
58void	ipi_all(u_int ipi);
59void	ipi_all_but_self(u_int ipi);
60void	ipi_self(u_int ipi);
61void 	ipi_bitmap_handler(struct trapframe frame);
62u_int	mp_bootaddress(u_int);
63int	mp_grab_cpu_hlt(void);
64void	smp_cache_flush(void);
65void	smp_invlpg(vm_offset_t addr);
66void	smp_masked_invlpg(u_int mask, vm_offset_t addr);
67void	smp_invlpg_range(vm_offset_t startva, vm_offset_t endva);
68void	smp_masked_invlpg_range(u_int mask, vm_offset_t startva,
69	    vm_offset_t endva);
70void	smp_invltlb(void);
71void	smp_masked_invltlb(u_int mask);
72
73#ifdef STOP_NMI
74int	ipi_nmi_handler(void);
75#endif
76
77#endif /* !LOCORE */
78#endif /* SMP */
79
80#endif /* _KERNEL */
81#endif /* _MACHINE_SMP_H_ */
82