smp.h revision 26269
125164Speter/* 225164Speter * ---------------------------------------------------------------------------- 325164Speter * "THE BEER-WARE LICENSE" (Revision 42): 425164Speter * <phk@FreeBSD.org> wrote this file. As long as you retain this notice you 525164Speter * can do whatever you want with this stuff. If we meet some day, and you think 625164Speter * this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp 725164Speter * ---------------------------------------------------------------------------- 825164Speter * 926269Sfsmp * $Id: smp.h,v 1.9 1997/05/28 18:44:11 fsmp Exp $ 1025164Speter * 1125164Speter */ 1225164Speter 1325164Speter#ifndef _MACHINE_SMP_H_ 1425164Speter#define _MACHINE_SMP_H_ 1525164Speter 1625164Speter#ifdef KERNEL 1725164Speter 1825517Sfsmp#if defined(SMP) && !defined(APIC_IO) 1925517Sfsmp# error APIC_IO required for SMP, add "options APIC_IO" to your config file. 2025517Sfsmp#endif /* SMP && NCPU */ 2125517Sfsmp 2225164Speter#if defined(SMP) && !defined(NCPU) 2325164Speter# define NCPU 2 2425164Speter#endif /* SMP && NCPU */ 2525164Speter 2625164Speter#if defined(SMP) || defined(APIC_IO) 2725164Speter 2826269Sfsmp#include <machine/apic.h> 2926269Sfsmp 3025164Speter/* global data in mpboot.s */ 3125164Speterextern int bootMP_size; 3225164Speter 3325164Speter/* functions in mpboot.s */ 3425164Spetervoid bootMP __P((void)); 3525164Speter 3625164Speter/* global data in mplock.s */ 3725164Speterextern u_int mp_lock; 3825164Speter 3925164Speter/* functions in mplock.s */ 4025164Spetervoid get_mplock __P((void)); 4125164Spetervoid rel_mplock __P((void)); 4225320Sfsmpvoid try_mplock __P((void)); 4325164Speter 4425164Speter/* global data in mp_machdep.c */ 4525164Speterextern int mp_ncpus; 4625164Speterextern int mp_naps; 4725164Speterextern int mp_nbusses; 4825164Speterextern int mp_napics; 4925164Speterextern int mp_picmode; 5025164Speterextern int mpenabled; 5125164Speterextern int boot_cpu_id; 5225164Speterextern vm_offset_t cpu_apic_address; 5325164Speterextern vm_offset_t io_apic_address[]; 5425164Speterextern u_int32_t cpu_apic_versions[]; 5525164Speterextern u_int32_t io_apic_versions[]; 5625164Speterextern int cpu_num_to_apic_id[]; 5725164Speterextern int io_num_to_apic_id[]; 5825164Speterextern int apic_id_to_logical[]; 5925164Speter 6025164Speter/* functions in mp_machdep.c */ 6125164Speteru_int mp_bootaddress __P((u_int)); 6226252Sfsmpint mp_probe __P((void)); 6325164Spetervoid mp_start __P((void)); 6425164Spetervoid mp_announce __P((void)); 6525164Speterint get_isa_apic_irq __P((int)); 6625499Sfsmpu_int get_isa_apic_mask __P((u_int)); 6725499Sfsmpint undirect_isa_irq __P((int)); 6825164Speterint get_eisa_apic_irq __P((int)); 6925164Speterint get_pci_apic_irq __P((int, int, int)); 7025164Speterint undirect_pci_irq __P((int)); 7125164Speterint apic_bus_type __P((int)); 7225164Speterint apic_src_bus_id __P((int, int)); 7325164Speterint apic_src_bus_irq __P((int, int)); 7425164Speterint apic_int_type __P((int, int)); 7525164Speterint apic_trigger __P((int, int)); 7625164Speterint apic_polarity __P((int, int)); 7725164Spetervoid configure_local_apic __P((void)); 7825164Spetervoid init_secondary __P((void)); 7925164Spetervoid smp_invltlb __P((void)); 8025164Speter 8125164Speter/* global data in mpapic.c */ 8225164Speterextern volatile u_int* apic_base; 8326269Sfsmp#if 1 /** XXX APIC_STRUCT */ 8426269Sfsmpextern volatile lapic_t* lapic; 8526269Sfsmp#endif /** XXX APIC_STRUCT */ 8625164Speter 8725164Speter#if defined(MULTIPLE_IOAPICS) 8825164Speter#error MULTIPLE_IOAPICSXXX 8925164Speter#else 9025164Speterextern volatile u_int* io_apic_base; 9126269Sfsmp#if 1 /** XXX APIC_STRUCT */ 9226269Sfsmpextern volatile ioapic_t* ioapic; 9326269Sfsmp#endif /** XXX APIC_STRUCT */ 9425164Speter#endif /* MULTIPLE_IOAPICS */ 9525164Speter 9625164Speter/* functions in mpapic.c */ 9725164Spetervoid apic_initialize __P((int)); 9825362Sfsmpint apic_ipi __P((int, int, int)); 9925164Speterint selected_apic_ipi __P((u_int, int, int)); 10025164Speterint io_apic_setup __P((int)); 10125164Speterint ext_int_setup __P((int, int)); 10225164Spetervoid write_io_apic_mask24 __P((int, u_int32_t)); 10325164Speter 10425164Speter#if defined(READY) 10525164Spetervoid clr_io_apic_mask24 __P((int, u_int32_t)); 10625164Spetervoid set_io_apic_mask24 __P((int, u_int32_t)); 10725164Speter#endif /* READY */ 10825164Speter 10925164Spetervoid set_apic_timer __P((int)); 11025164Speterint read_apic_timer __P((void)); 11125164Spetervoid u_sleep __P((int)); 11225164Speter 11325164Speter/* global data in init_smp.c */ 11425164Speterextern int smp_active; 11525215Sfsmpextern int invltlb_ok; 11625164Speter 11725164Speter/* in pmap.c FIXME: belongs in pmap.h??? */ 11825164Spetervoid pmap_bootstrap_apics __P((void)); 11925164Spetervoid pmap_bootstrap2 __P((void)); 12025164Speter 12125164Speter#if 0 12225164Speter/* chicken and egg problem... */ 12325164Speterstatic __inline unsigned 12425164Spetercpunumber(void) 12525164Speter{ 12625164Speter return (unsigned)ID_TO_CPU((apic_base[APIC_ID] & APIC_ID_MASK) >> 24); 12725164Speter} 12825164Speter#else 12925164Speter/* 13025164Speter * we 'borrow' this info from apic.h 13125164Speter * this will go away soon... 13225164Speter */ 13325164Speterstatic __inline unsigned 13425164Spetercpunumber(void) 13525164Speter{ 13626269Sfsmp#if 0 13725164Speter return (unsigned)(apic_id_to_logical[(apic_base[8] & 0x0f000000) >> 24]); 13826269Sfsmp#else 13926269Sfsmp return (unsigned)(apic_id_to_logical[(lapic__id & 0x0f000000) >> 24]); 14026269Sfsmp#endif 14125164Speter} 14225164Speter#endif /* 0 */ 14325164Speter 14425164Speter#endif /* SMP || APIC_IO */ 14525164Speter#endif /* KERNEL */ 14625164Speter#endif /* _MACHINE_SMP_H_ */ 147