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 291688 2015-12-03 11:14:14Z kib $
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9 * $FreeBSD: head/sys/i386/include/smp.h 291949 2015-12-07 17:41:20Z 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
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22#include <x86/x86_smp.h> 23 |
24#include <sys/bus.h> 25#include <machine/frame.h> 26#include <machine/intr_machdep.h> 27#include <x86/apicvar.h> 28#include <machine/pcb.h> 29 30/* global data in mpboot.s */
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29extern int bootMP_size;
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31extern int bootMP_size; |
32 33/* functions in mpboot.s */
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32void bootMP(void);
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34void bootMP(void); |
35
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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[];
39extern int bootAP;
40extern void *dpcpu;
41extern char *bootSTK;
42extern void *bootstacks[];
43extern volatile u_int cpu_ipi_pending[];
44extern volatile int aps_ready;
45extern struct mtx ap_boot_mtx;
46extern int cpu_logical;
47extern int cpu_cores;
48extern volatile int smp_tlb_wait;
49extern u_int xhits_gbl[];
50extern u_int xhits_pg[];
51extern u_int xhits_rng[];
52extern u_int ipi_global;
53extern u_int ipi_page;
54extern u_int ipi_range;
55extern u_int ipi_range_size;
56
57struct cpu_info {
58 int cpu_present:1;
59 int cpu_bsp:1;
60 int cpu_disabled:1;
61 int cpu_hyperthread:1;
62};
63extern struct cpu_info cpu_info[];
64
65#ifdef COUNT_IPIS
66extern u_long *ipi_invltlb_counts[MAXCPU];
67extern u_long *ipi_invlrng_counts[MAXCPU];
68extern u_long *ipi_invlpg_counts[MAXCPU];
69extern u_long *ipi_invlcache_counts[MAXCPU];
70extern u_long *ipi_rendezvous_counts[MAXCPU];
71#endif
72
73/* IPI handlers */
74inthand_t
75 IDTVEC(invltlb), /* TLB shootdowns - global */
76 IDTVEC(invlpg), /* TLB shootdowns - 1 page */
77 IDTVEC(invlrng), /* TLB shootdowns - page range */
78 IDTVEC(invlcache), /* Write back and invalidate cache */
79 IDTVEC(ipi_intr_bitmap_handler), /* Bitmap based IPIs */
80 IDTVEC(cpustop), /* CPU stops & waits to be restarted */
81 IDTVEC(cpususpend), /* CPU suspends & waits to be resumed */
82 IDTVEC(rendezvous); /* handle CPU rendezvous */
83
84/* functions in mp_machdep.c */
85void assign_cpu_ids(void);
86void cpu_add(u_int apic_id, char boot_cpu);
87void cpustop_handler(void);
88void cpususpend_handler(void);
89void init_secondary_tail(void);
90void invltlb_handler(void);
91void invlpg_handler(void);
92void invlrng_handler(void);
93void invlcache_handler(void);
94void init_secondary(void);
95void ipi_startup(int apic_id, int vector);
96void ipi_all_but_self(u_int ipi);
97void ipi_bitmap_handler(struct trapframe frame);
98void ipi_cpu(int cpu, u_int ipi);
99int ipi_nmi_handler(void);
100void ipi_selected(cpuset_t cpus, u_int ipi);
101u_int mp_bootaddress(u_int);
102void set_interrupt_apic_ids(void);
103void smp_cache_flush(void);
104void smp_masked_invlpg(cpuset_t mask, vm_offset_t addr);
105void smp_masked_invlpg_range(cpuset_t mask, vm_offset_t startva,
106 vm_offset_t endva);
107void smp_masked_invltlb(cpuset_t mask, struct pmap *pmap);
108void mem_range_AP_init(void);
109void topo_probe(void);
110void ipi_send_cpu(int cpu, u_int ipi);
111
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36#endif /* !LOCORE */ 37#endif /* SMP */ 38 39#endif /* _KERNEL */ 40#endif /* _MACHINE_SMP_H_ */
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