smp.h revision 183439
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 183439 2008-09-28 18:34:14Z marius $ 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); 69void ipi_bitmap_handler(struct trapframe frame); 70u_int mp_bootaddress(u_int); 71int mp_grab_cpu_hlt(void); 72void smp_cache_flush(void); 73void smp_invlpg(vm_offset_t addr); 74void smp_masked_invlpg(u_int mask, vm_offset_t addr); 75void smp_invlpg_range(vm_offset_t startva, vm_offset_t endva); 76void smp_masked_invlpg_range(u_int mask, vm_offset_t startva, 77 vm_offset_t endva); 78void smp_invltlb(void); 79void smp_masked_invltlb(u_int mask); 80 81#ifdef STOP_NMI 82int ipi_nmi_handler(void); 83#endif 84#ifdef XEN 85void ipi_to_irq_init(void); 86#endif 87#endif /* !LOCORE */ 88#endif /* SMP */ 89 90#endif /* _KERNEL */ 91#endif /* _MACHINE_SMP_H_ */ 92