smp.h revision 255060 
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 255060 2013-08-30 07:59:49Z kib $
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#ifdef COUNT_IPIS
39extern u_long *ipi_invltlb_counts[MAXCPU];
40extern u_long *ipi_invlrng_counts[MAXCPU];
41extern u_long *ipi_invlpg_counts[MAXCPU];
42extern u_long *ipi_invlcache_counts[MAXCPU];
43extern u_long *ipi_rendezvous_counts[MAXCPU];
44#endif
45
46/* IPI handlers */
47inthand_t
48	IDTVEC(invltlb),	/* TLB shootdowns - global */
49	IDTVEC(invlpg),		/* TLB shootdowns - 1 page */
50	IDTVEC(invlrng),	/* TLB shootdowns - page range */
51	IDTVEC(invlcache),	/* Write back and invalidate cache */
52	IDTVEC(ipi_intr_bitmap_handler), /* Bitmap based IPIs */
53	IDTVEC(cpustop),	/* CPU stops & waits to be restarted */
54	IDTVEC(cpususpend),	/* CPU suspends & waits to be resumed */
55	IDTVEC(rendezvous);	/* handle CPU rendezvous */
56
57struct pmap;
58
59/* functions in mp_machdep.c */
60void	cpu_add(u_int apic_id, char boot_cpu);
61void	cpustop_handler(void);
62void	cpususpend_handler(void);
63void	init_secondary(void);
64void	ipi_startup(int apic_id, int vector);
65void	ipi_all_but_self(u_int ipi);
66void 	ipi_bitmap_handler(struct trapframe frame);
67void	ipi_cpu(int cpu, u_int ipi);
68int	ipi_nmi_handler(void);
69void	ipi_selected(cpuset_t cpus, u_int ipi);
70u_int	mp_bootaddress(u_int);
71void	smp_cache_flush(void);
72void	smp_invlpg(struct pmap *pmap, vm_offset_t addr);
73void	smp_masked_invlpg(cpuset_t mask, struct pmap *pmap, vm_offset_t addr);
74void	smp_invlpg_range(struct pmap *pmap, vm_offset_t startva,
75	    vm_offset_t endva);
76void	smp_masked_invlpg_range(cpuset_t mask, struct pmap *pmap,
77	    vm_offset_t startva, vm_offset_t endva);
78void	smp_invltlb(struct pmap *pmap);
79void	smp_masked_invltlb(cpuset_t mask, struct pmap *pmap);
80
81#endif /* !LOCORE */
82#endif /* SMP */
83
84#endif /* _KERNEL */
85#endif /* _MACHINE_SMP_H_ */
86