smp.h revision 285787
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/i386/include/smp.h 285787 2015-07-22 09:12:40Z 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 <x86/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[]; 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; 56extern u_int ipi_masked_global; 57extern u_int ipi_masked_page; 58extern u_int ipi_masked_range; 59extern u_int ipi_masked_range_size; 60 61struct cpu_info { 62 int cpu_present:1; 63 int cpu_bsp:1; 64 int cpu_disabled:1; 65 int cpu_hyperthread:1; 66}; 67extern struct cpu_info cpu_info[]; 68 69#ifdef COUNT_IPIS 70extern u_long *ipi_invltlb_counts[MAXCPU]; 71extern u_long *ipi_invlrng_counts[MAXCPU]; 72extern u_long *ipi_invlpg_counts[MAXCPU]; 73extern u_long *ipi_invlcache_counts[MAXCPU]; 74extern u_long *ipi_rendezvous_counts[MAXCPU]; 75#endif 76 77/* IPI handlers */ 78inthand_t 79 IDTVEC(invltlb), /* TLB shootdowns - global */ 80 IDTVEC(invlpg), /* TLB shootdowns - 1 page */ 81 IDTVEC(invlrng), /* TLB shootdowns - page range */ 82 IDTVEC(invlcache), /* Write back and invalidate cache */ 83 IDTVEC(ipi_intr_bitmap_handler), /* Bitmap based IPIs */ 84 IDTVEC(cpustop), /* CPU stops & waits to be restarted */ 85 IDTVEC(cpususpend), /* CPU suspends & waits to be resumed */ 86 IDTVEC(rendezvous); /* handle CPU rendezvous */ 87 88/* functions in mp_machdep.c */ 89void assign_cpu_ids(void); 90void cpu_add(u_int apic_id, char boot_cpu); 91void cpustop_handler(void); 92void cpususpend_handler(void); 93void init_secondary_tail(void); 94void invltlb_handler(void); 95void invlpg_handler(void); 96void invlrng_handler(void); 97void invlcache_handler(void); 98void init_secondary(void); 99void ipi_startup(int apic_id, int vector); 100void ipi_all_but_self(u_int ipi); 101void ipi_bitmap_handler(struct trapframe frame); 102void ipi_cpu(int cpu, u_int ipi); 103int ipi_nmi_handler(void); 104void ipi_selected(cpuset_t cpus, u_int ipi); 105u_int mp_bootaddress(u_int); 106void set_interrupt_apic_ids(void); 107void smp_cache_flush(void); 108void smp_invlpg(vm_offset_t addr); 109void smp_masked_invlpg(cpuset_t mask, vm_offset_t addr); 110void smp_invlpg_range(vm_offset_t startva, vm_offset_t endva); 111void smp_masked_invlpg_range(cpuset_t mask, vm_offset_t startva, 112 vm_offset_t endva); 113void smp_invltlb(void); 114void smp_masked_invltlb(cpuset_t mask); 115void mem_range_AP_init(void); 116void topo_probe(void); 117void ipi_send_cpu(int cpu, u_int ipi); 118 119#endif /* !LOCORE */ 120#endif /* SMP */ 121 122#endif /* _KERNEL */ 123#endif /* _MACHINE_SMP_H_ */ 124