smp.h revision 26812
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 * $Id: smp.h,v 1.10 1997/05/29 05:57:43 fsmp Exp $ 10 * 11 */ 12 13#ifndef _MACHINE_SMP_H_ 14#define _MACHINE_SMP_H_ 15 16#ifdef KERNEL 17 18#if defined(SMP) && !defined(APIC_IO) 19# error APIC_IO required for SMP, add "options APIC_IO" to your config file. 20#endif /* SMP && NCPU */ 21 22#if defined(SMP) && !defined(NCPU) 23# define NCPU 2 24#endif /* SMP && NCPU */ 25 26#if defined(SMP) || defined(APIC_IO) 27 28#include <machine/apic.h> 29 30/* global data in mpboot.s */ 31extern int bootMP_size; 32 33/* functions in mpboot.s */ 34void bootMP __P((void)); 35 36/* global data in mplock.s */ 37extern u_int mp_lock; 38 39/* functions in mplock.s */ 40void get_mplock __P((void)); 41void rel_mplock __P((void)); 42void try_mplock __P((void)); 43 44/* global data in mp_machdep.c */ 45extern int mp_ncpus; 46extern int mp_naps; 47extern int mp_nbusses; 48extern int mp_napics; 49extern int mp_picmode; 50extern int mpenabled; 51extern int boot_cpu_id; 52extern vm_offset_t cpu_apic_address; 53extern vm_offset_t io_apic_address[]; 54extern u_int32_t cpu_apic_versions[]; 55extern u_int32_t io_apic_versions[]; 56extern int cpu_num_to_apic_id[]; 57extern int io_num_to_apic_id[]; 58extern int apic_id_to_logical[]; 59extern u_int SMP_prvpt[]; 60extern u_char SMP_ioapic[]; 61 62/* functions in mp_machdep.c */ 63u_int mp_bootaddress __P((u_int)); 64int mp_probe __P((void)); 65void mp_start __P((void)); 66void mp_announce __P((void)); 67int get_isa_apic_irq __P((int)); 68u_int get_isa_apic_mask __P((u_int)); 69int undirect_isa_irq __P((int)); 70int get_eisa_apic_irq __P((int)); 71int get_pci_apic_irq __P((int, int, int)); 72int undirect_pci_irq __P((int)); 73int apic_bus_type __P((int)); 74int apic_src_bus_id __P((int, int)); 75int apic_src_bus_irq __P((int, int)); 76int apic_int_type __P((int, int)); 77int apic_trigger __P((int, int)); 78int apic_polarity __P((int, int)); 79void configure_local_apic __P((void)); 80void init_secondary __P((void)); 81void smp_invltlb __P((void)); 82 83/* global data in mpapic.c */ 84extern volatile lapic_t lapic; 85 86#if defined(MULTIPLE_IOAPICS) 87#error MULTIPLE_IOAPICSXXX 88#else 89extern volatile ioapic_t *ioapic[]; 90#endif /* MULTIPLE_IOAPICS */ 91 92/* functions in mpapic.c */ 93void apic_initialize __P((int)); 94int apic_ipi __P((int, int, int)); 95int selected_apic_ipi __P((u_int, int, int)); 96int io_apic_setup __P((int)); 97int ext_int_setup __P((int, int)); 98void write_io_apic_mask24 __P((int, u_int32_t)); 99 100#if defined(READY) 101void clr_io_apic_mask24 __P((int, u_int32_t)); 102void set_io_apic_mask24 __P((int, u_int32_t)); 103#endif /* READY */ 104 105void set_apic_timer __P((int)); 106int read_apic_timer __P((void)); 107void u_sleep __P((int)); 108 109/* global data in init_smp.c */ 110extern int smp_active; 111extern int invltlb_ok; 112 113extern volatile u_int cpuid; 114extern volatile u_int cpu_lockid; 115 116#endif /* SMP || APIC_IO */ 117#endif /* KERNEL */ 118#endif /* _MACHINE_SMP_H_ */ 119