smp.h revision 28441
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 * 928441Sfsmp * $Id: smp.h,v 1.26 1997/08/18 03:35:59 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. 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; 7828441Sfsmpextern struct simplelock imen_lock; 7928441Sfsmpextern struct simplelock cpl_lock; 8028441Sfsmpextern struct simplelock fast_intr_lock; 8128441Sfsmpextern struct simplelock intr_lock; 8227616Sfsmp 8327616Sfsmp/* functions in apic_ipl.s */ 8427616Sfsmpvoid vec8254 __P((void)); 8527616Sfsmpvoid INTREN __P((u_int)); 8627616Sfsmpvoid INTRDIS __P((u_int)); 8727616Sfsmpvoid apic_eoi __P((void)); 8827616Sfsmpu_int io_apic_read __P((int, int)); 8927616Sfsmpvoid io_apic_write __P((int, int, u_int)); 9027616Sfsmp 9127663Sfsmp/* functions in simplelock.s */ 9227619Sfsmp#include <machine/param.h> 9327619Sfsmpvoid s_lock_init __P((struct simplelock *)); 9428352Sfsmpvoid s_lock __P((struct simplelock *)); 9528352Sfsmpint s_lock_try __P((struct simplelock *)); 9628352Sfsmpvoid s_unlock __P((struct simplelock *)); 9727619Sfsmp 9825164Speter/* global data in mp_machdep.c */ 9925164Speterextern int mp_ncpus; 10025164Speterextern int mp_naps; 10125164Speterextern int mp_nbusses; 10225164Speterextern int mp_napics; 10325164Speterextern int mp_picmode; 10425164Speterextern int boot_cpu_id; 10525164Speterextern vm_offset_t cpu_apic_address; 10625164Speterextern vm_offset_t io_apic_address[]; 10725164Speterextern u_int32_t cpu_apic_versions[]; 10825164Speterextern u_int32_t io_apic_versions[]; 10925164Speterextern int cpu_num_to_apic_id[]; 11025164Speterextern int io_num_to_apic_id[]; 11125164Speterextern int apic_id_to_logical[]; 11227002Sfsmpextern u_int all_cpus; 11326812Speterextern u_int SMP_prvpt[]; 11426812Speterextern u_char SMP_ioapic[]; 11525164Speter 11628441Sfsmpextern struct simplelock com_lock; 11728441Sfsmp 11825164Speter/* functions in mp_machdep.c */ 11925164Speteru_int mp_bootaddress __P((u_int)); 12026252Sfsmpint mp_probe __P((void)); 12125164Spetervoid mp_start __P((void)); 12225164Spetervoid mp_announce __P((void)); 12326948Sfsmpu_int isa_apic_mask __P((u_int)); 12426948Sfsmpint isa_apic_pin __P((int)); 12526948Sfsmpint pci_apic_pin __P((int, int, int)); 12625499Sfsmpint undirect_isa_irq __P((int)); 12725164Speterint undirect_pci_irq __P((int)); 12825164Speterint apic_bus_type __P((int)); 12925164Speterint apic_src_bus_id __P((int, int)); 13025164Speterint apic_src_bus_irq __P((int, int)); 13125164Speterint apic_int_type __P((int, int)); 13225164Speterint apic_trigger __P((int, int)); 13325164Speterint apic_polarity __P((int, int)); 13427285Sfsmpvoid bsp_apic_configure __P((void)); 13525164Spetervoid init_secondary __P((void)); 13625164Spetervoid smp_invltlb __P((void)); 13727002Sfsmpint stop_cpus __P((u_int)); 13827002Sfsmpint restart_cpus __P((u_int)); 13925164Speter 14025164Speter/* global data in mpapic.c */ 14126812Speterextern volatile lapic_t lapic; 14225164Speter 14325164Speter#if defined(MULTIPLE_IOAPICS) 14425164Speter#error MULTIPLE_IOAPICSXXX 14525164Speter#else 14626812Speterextern volatile ioapic_t *ioapic[]; 14725164Speter#endif /* MULTIPLE_IOAPICS */ 14825164Speter 14925164Speter/* functions in mpapic.c */ 15027559Sfsmpvoid apic_dump __P((char*)); 15127285Sfsmpvoid apic_initialize __P((void)); 15227616Sfsmpvoid imen_dump __P((void)); 15325362Sfsmpint apic_ipi __P((int, int, int)); 15425164Speterint selected_apic_ipi __P((u_int, int, int)); 15525164Speterint io_apic_setup __P((int)); 15625164Speterint ext_int_setup __P((int, int)); 15725164Speter 15825164Speter#if defined(READY) 15925164Spetervoid clr_io_apic_mask24 __P((int, u_int32_t)); 16025164Spetervoid set_io_apic_mask24 __P((int, u_int32_t)); 16125164Speter#endif /* READY */ 16225164Speter 16325164Spetervoid set_apic_timer __P((int)); 16425164Speterint read_apic_timer __P((void)); 16525164Spetervoid u_sleep __P((int)); 16625164Speter 16725164Speter/* global data in init_smp.c */ 16828231Sfsmpextern int invltlb_ok; 16925164Speterextern int smp_active; 17028231Sfsmpextern volatile int smp_idle_loops; 17125164Speter 17227002Sfsmp/* 'private' global data in locore.s */ 17326812Speterextern volatile u_int cpuid; 17426812Speterextern volatile u_int cpu_lockid; 17527002Sfsmpextern volatile u_int other_cpus; 17625164Speter 17727728Sfsmp#endif /* !LOCORE */ 17825164Speter#endif /* SMP || APIC_IO */ 17925164Speter#endif /* KERNEL */ 18025164Speter#endif /* _MACHINE_SMP_H_ */ 181