smp.h revision 263014 
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 263014 2014-03-11 10:27:57Z royger $
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 <x86/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_pcid),	/* TLB shootdowns - global, pcid enabled */
49	IDTVEC(invltlb),	/* TLB shootdowns - global */
50	IDTVEC(invlpg_pcid),	/* TLB shootdowns - 1 page, pcid enabled */
51	IDTVEC(invlpg),		/* TLB shootdowns - 1 page */
52	IDTVEC(invlrng),	/* TLB shootdowns - page range */
53	IDTVEC(invlcache),	/* Write back and invalidate cache */
54	IDTVEC(ipi_intr_bitmap_handler), /* Bitmap based IPIs */
55	IDTVEC(cpustop),	/* CPU stops & waits to be restarted */
56	IDTVEC(cpususpend),	/* CPU suspends & waits to be resumed */
57	IDTVEC(rendezvous);	/* handle CPU rendezvous */
58
59struct pmap;
60
61/* functions in mp_machdep.c */
62void	cpu_add(u_int apic_id, char boot_cpu);
63void	cpustop_handler(void);
64void	cpususpend_handler(void);
65void	invltlb_handler(void);
66void	invltlb_pcid_handler(void);
67void	invlpg_handler(void);
68void	invlpg_pcid_handler(void);
69void	invlrng_handler(void);
70void	invlcache_handler(void);
71void	init_secondary(void);
72void	ipi_startup(int apic_id, int vector);
73void	ipi_all_but_self(u_int ipi);
74void 	ipi_bitmap_handler(struct trapframe frame);
75void	ipi_cpu(int cpu, u_int ipi);
76int	ipi_nmi_handler(void);
77void	ipi_selected(cpuset_t cpus, u_int ipi);
78u_int	mp_bootaddress(u_int);
79void	smp_cache_flush(void);
80void	smp_invlpg(struct pmap *pmap, vm_offset_t addr);
81void	smp_masked_invlpg(cpuset_t mask, struct pmap *pmap, vm_offset_t addr);
82void	smp_invlpg_range(struct pmap *pmap, vm_offset_t startva,
83	    vm_offset_t endva);
84void	smp_masked_invlpg_range(cpuset_t mask, struct pmap *pmap,
85	    vm_offset_t startva, vm_offset_t endva);
86void	smp_invltlb(struct pmap *pmap);
87void	smp_masked_invltlb(cpuset_t mask, struct pmap *pmap);
88int	native_start_all_aps(void);
89
90#endif /* !LOCORE */
91#endif /* SMP */
92
93#endif /* _KERNEL */
94#endif /* _MACHINE_SMP_H_ */
95