smp.h revision 28669
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 * 928669Sfsmp * $Id: smp.h,v 1.24 1997/08/24 20:17:05 smp Exp smp $ 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. 2027002Sfsmp#endif /* SMP && !APIC_IO */ 2125517Sfsmp 2227728Sfsmp/* Number of CPUs. */ 2325164Speter#if defined(SMP) && !defined(NCPU) 2425164Speter# define NCPU 2 2525164Speter#endif /* SMP && NCPU */ 2625164Speter 2727728Sfsmp/* Number of IO APICs. */ 2827728Sfsmp#if defined(APIC_IO) && !defined(NAPIC) 2927728Sfsmp# define NAPIC 1 3027728Sfsmp#endif /* SMP && NAPIC */ 3127728Sfsmp 3227728Sfsmp 3325164Speter#if defined(SMP) || defined(APIC_IO) 3425164Speter 3527728Sfsmp#ifndef LOCORE 3627728Sfsmp 3727002Sfsmp/* 3827002Sfsmp * For sending values to POST displays. 3927252Sfsmp * XXX FIXME: where does this really belong, isa.h/isa.c perhaps? 4027002Sfsmp */ 4127252Sfsmpextern int current_postcode; /** XXX currently in mp_machdep.c */ 4227252Sfsmp#define POSTCODE(X) current_postcode = (X), \ 4327252Sfsmp outb(0x80, current_postcode) 4427252Sfsmp#define POSTCODE_LO(X) current_postcode &= 0xf0, \ 4527252Sfsmp current_postcode |= ((X) & 0x0f), \ 4627252Sfsmp outb(0x80, current_postcode) 4727252Sfsmp#define POSTCODE_HI(X) current_postcode &= 0x0f, \ 4827252Sfsmp current_postcode |= (((X) << 4) & 0xf0), \ 4927252Sfsmp outb(0x80, current_postcode) 5027002Sfsmp 5127252Sfsmp 5226269Sfsmp#include <machine/apic.h> 5326269Sfsmp 5425164Speter/* global data in mpboot.s */ 5525164Speterextern int bootMP_size; 5625164Speter 5725164Speter/* functions in mpboot.s */ 5825164Spetervoid bootMP __P((void)); 5925164Speter 6025164Speter/* global data in mplock.s */ 6125164Speterextern u_int mp_lock; 6228441Sfsmpextern u_int isr_lock; 6325164Speter 6425164Speter/* functions in mplock.s */ 6525164Spetervoid get_mplock __P((void)); 6625164Spetervoid rel_mplock __P((void)); 6725320Sfsmpvoid try_mplock __P((void)); 6825164Speter 6927002Sfsmp/* global data in apic_vector.s */ 7027616Sfsmpextern u_int ivectors[]; 7127002Sfsmpextern volatile u_int stopped_cpus; 7227002Sfsmpextern volatile u_int started_cpus; 7327002Sfsmp 7427616Sfsmp/* global data in apic_ipl.s */ 7527616Sfsmpextern u_int vec[]; 7627616Sfsmpextern u_int Xintr8254; 7727616Sfsmpextern u_int mask8254; 7827616Sfsmp 7927616Sfsmp/* functions in apic_ipl.s */ 8027616Sfsmpvoid vec8254 __P((void)); 8127616Sfsmpvoid INTREN __P((u_int)); 8227616Sfsmpvoid INTRDIS __P((u_int)); 8327616Sfsmpvoid apic_eoi __P((void)); 8427616Sfsmpu_int io_apic_read __P((int, int)); 8527616Sfsmpvoid io_apic_write __P((int, int, u_int)); 8627616Sfsmp 8725164Speter/* global data in mp_machdep.c */ 8828669Sfsmpextern int bsp_apic_ready; 8925164Speterextern int mp_ncpus; 9025164Speterextern int mp_naps; 9125164Speterextern int mp_nbusses; 9225164Speterextern int mp_napics; 9325164Speterextern int mp_picmode; 9425164Speterextern int boot_cpu_id; 9525164Speterextern vm_offset_t cpu_apic_address; 9625164Speterextern vm_offset_t io_apic_address[]; 9725164Speterextern u_int32_t cpu_apic_versions[]; 9825164Speterextern u_int32_t io_apic_versions[]; 9925164Speterextern int cpu_num_to_apic_id[]; 10025164Speterextern int io_num_to_apic_id[]; 10125164Speterextern int apic_id_to_logical[]; 10227002Sfsmpextern u_int all_cpus; 10326812Speterextern u_int SMP_prvpt[]; 10426812Speterextern u_char SMP_ioapic[]; 10525164Speter 10625164Speter/* functions in mp_machdep.c */ 10725164Speteru_int mp_bootaddress __P((u_int)); 10826252Sfsmpint mp_probe __P((void)); 10925164Spetervoid mp_start __P((void)); 11025164Spetervoid mp_announce __P((void)); 11126948Sfsmpu_int isa_apic_mask __P((u_int)); 11226948Sfsmpint isa_apic_pin __P((int)); 11326948Sfsmpint pci_apic_pin __P((int, int, int)); 11425499Sfsmpint undirect_isa_irq __P((int)); 11525164Speterint undirect_pci_irq __P((int)); 11625164Speterint apic_bus_type __P((int)); 11725164Speterint apic_src_bus_id __P((int, int)); 11825164Speterint apic_src_bus_irq __P((int, int)); 11925164Speterint apic_int_type __P((int, int)); 12025164Speterint apic_trigger __P((int, int)); 12125164Speterint apic_polarity __P((int, int)); 12227285Sfsmpvoid bsp_apic_configure __P((void)); 12325164Spetervoid init_secondary __P((void)); 12425164Spetervoid smp_invltlb __P((void)); 12527002Sfsmpint stop_cpus __P((u_int)); 12627002Sfsmpint restart_cpus __P((u_int)); 12725164Speter 12825164Speter/* global data in mpapic.c */ 12926812Speterextern volatile lapic_t lapic; 13025164Speter 13125164Speter#if defined(MULTIPLE_IOAPICS) 13225164Speter#error MULTIPLE_IOAPICSXXX 13325164Speter#else 13426812Speterextern volatile ioapic_t *ioapic[]; 13525164Speter#endif /* MULTIPLE_IOAPICS */ 13625164Speter 13725164Speter/* functions in mpapic.c */ 13827559Sfsmpvoid apic_dump __P((char*)); 13927285Sfsmpvoid apic_initialize __P((void)); 14027616Sfsmpvoid imen_dump __P((void)); 14125362Sfsmpint apic_ipi __P((int, int, int)); 14225164Speterint selected_apic_ipi __P((u_int, int, int)); 14325164Speterint io_apic_setup __P((int)); 14425164Speterint ext_int_setup __P((int, int)); 14525164Speter 14625164Speter#if defined(READY) 14725164Spetervoid clr_io_apic_mask24 __P((int, u_int32_t)); 14825164Spetervoid set_io_apic_mask24 __P((int, u_int32_t)); 14925164Speter#endif /* READY */ 15025164Speter 15125164Spetervoid set_apic_timer __P((int)); 15225164Speterint read_apic_timer __P((void)); 15325164Spetervoid u_sleep __P((int)); 15425164Speter 15525164Speter/* global data in init_smp.c */ 15628231Sfsmpextern int invltlb_ok; 15725164Speterextern int smp_active; 15828231Sfsmpextern volatile int smp_idle_loops; 15925164Speter 16027002Sfsmp/* 'private' global data in locore.s */ 16126812Speterextern volatile u_int cpuid; 16226812Speterextern volatile u_int cpu_lockid; 16327002Sfsmpextern volatile u_int other_cpus; 16425164Speter 16527728Sfsmp#endif /* !LOCORE */ 16625164Speter#endif /* SMP || APIC_IO */ 16725164Speter#endif /* KERNEL */ 16825164Speter#endif /* _MACHINE_SMP_H_ */ 169