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 *
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9 * $FreeBSD: head/sys/i386/include/smp.h 184110 2008-10-21 06:38:05Z kmacy $
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| 9 * $FreeBSD: head/sys/i386/include/smp.h 184113 2008-10-21 08:01:19Z kmacy $ |
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 data in mpboot.s */
29extern int bootMP_size;
30
31/* functions in mpboot.s */
32void bootMP(void);
33
34/* global data in mp_machdep.c */
35extern int mp_naps;
36extern int boot_cpu_id;
37extern struct pcb stoppcbs[];
38extern int cpu_apic_ids[];
39#ifdef COUNT_IPIS
40extern u_long *ipi_invltlb_counts[MAXCPU];
41extern u_long *ipi_invlrng_counts[MAXCPU];
42extern u_long *ipi_invlpg_counts[MAXCPU];
43extern u_long *ipi_invlcache_counts[MAXCPU];
44extern u_long *ipi_rendezvous_counts[MAXCPU];
45extern u_long *ipi_lazypmap_counts[MAXCPU];
46#endif
47
48/* global data in identcpu.c */
49extern int cpu_cores;
50extern int cpu_logical;
51
52/* IPI handlers */
53inthand_t
54 IDTVEC(invltlb), /* TLB shootdowns - global */
55 IDTVEC(invlpg), /* TLB shootdowns - 1 page */
56 IDTVEC(invlrng), /* TLB shootdowns - page range */
57 IDTVEC(invlcache), /* Write back and invalidate cache */
58 IDTVEC(ipi_intr_bitmap_handler), /* Bitmap based IPIs */
59 IDTVEC(cpustop), /* CPU stops & waits to be restarted */
60 IDTVEC(rendezvous), /* handle CPU rendezvous */
61 IDTVEC(lazypmap); /* handle lazy pmap release */
62
63/* functions in mp_machdep.c */
64void cpu_add(u_int apic_id, char boot_cpu);
65void cpustop_handler(void);
66void init_secondary(void);
67void ipi_selected(u_int cpus, u_int ipi);
68void ipi_all_but_self(u_int ipi);
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| 69#ifndef XEN |
70void ipi_bitmap_handler(struct trapframe frame);
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| 71#endif |
72u_int mp_bootaddress(u_int);
73int mp_grab_cpu_hlt(void);
74void smp_cache_flush(void);
75void smp_invlpg(vm_offset_t addr);
76void smp_masked_invlpg(u_int mask, vm_offset_t addr);
77void smp_invlpg_range(vm_offset_t startva, vm_offset_t endva);
78void smp_masked_invlpg_range(u_int mask, vm_offset_t startva,
79 vm_offset_t endva);
80void smp_invltlb(void);
81void smp_masked_invltlb(u_int mask);
82
83#ifdef STOP_NMI
84int ipi_nmi_handler(void);
85#endif
86#ifdef XEN
87void ipi_to_irq_init(void);
88
89#define RESCHEDULE_VECTOR 0
90#define CALL_FUNCTION_VECTOR 1
91#define NR_IPIS 2
92
93#endif
94#endif /* !LOCORE */
95#endif /* SMP */
96
97#endif /* _KERNEL */
98#endif /* _MACHINE_SMP_H_ */
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