smp.h revision 34021
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 * 934021Stegge * $Id: smp.h,v 1.37 1998/03/03 20:55:23 tegge 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; 6328921Sfsmp#ifdef RECURSIVE_MPINTRLOCK 6428921Sfsmpextern u_int mpintr_lock; 6528921Sfsmp#endif /* RECURSIVE_MPINTRLOCK */ 6625164Speter 6725164Speter/* functions in mplock.s */ 6825164Spetervoid get_mplock __P((void)); 6925164Spetervoid rel_mplock __P((void)); 7033817Sdysonint try_mplock __P((void)); 7128921Sfsmp#ifdef RECURSIVE_MPINTRLOCK 7228921Sfsmpvoid get_mpintrlock __P((void)); 7328921Sfsmpvoid rel_mpintrlock __P((void)); 7433817Sdysonint try_mpintrlock __P((void)); 7528921Sfsmp#endif /* RECURSIVE_MPINTRLOCK */ 7625164Speter 7727002Sfsmp/* global data in apic_vector.s */ 7827616Sfsmpextern u_int ivectors[]; 7927002Sfsmpextern volatile u_int stopped_cpus; 8027002Sfsmpextern volatile u_int started_cpus; 8127002Sfsmp 8231639Sfsmpextern unsigned int checkstate_probed_cpus; 8331639Sfsmpextern unsigned int checkstate_need_ast; 8431639Sfsmp 8527616Sfsmp/* global data in apic_ipl.s */ 8627616Sfsmpextern u_int vec[]; 8727616Sfsmpextern u_int Xintr8254; 8827616Sfsmpextern u_int mask8254; 8927616Sfsmp 9027616Sfsmp/* functions in apic_ipl.s */ 9127616Sfsmpvoid vec8254 __P((void)); 9227616Sfsmpvoid apic_eoi __P((void)); 9327616Sfsmpu_int io_apic_read __P((int, int)); 9427616Sfsmpvoid io_apic_write __P((int, int, u_int)); 9527616Sfsmp 9625164Speter/* global data in mp_machdep.c */ 9728669Sfsmpextern int bsp_apic_ready; 9825164Speterextern int mp_ncpus; 9925164Speterextern int mp_naps; 10025164Speterextern int mp_nbusses; 10125164Speterextern int mp_napics; 10225164Speterextern int mp_picmode; 10325164Speterextern int boot_cpu_id; 10425164Speterextern vm_offset_t cpu_apic_address; 10525164Speterextern vm_offset_t io_apic_address[]; 10625164Speterextern u_int32_t cpu_apic_versions[]; 10725164Speterextern u_int32_t io_apic_versions[]; 10825164Speterextern int cpu_num_to_apic_id[]; 10925164Speterextern int io_num_to_apic_id[]; 11025164Speterextern int apic_id_to_logical[]; 11127002Sfsmpextern u_int all_cpus; 11226812Speterextern u_char SMP_ioapic[]; 11325164Speter 11425164Speter/* functions in mp_machdep.c */ 11525164Speteru_int mp_bootaddress __P((u_int)); 11626252Sfsmpint mp_probe __P((void)); 11725164Spetervoid mp_start __P((void)); 11825164Spetervoid mp_announce __P((void)); 11926948Sfsmpu_int isa_apic_mask __P((u_int)); 12026948Sfsmpint isa_apic_pin __P((int)); 12126948Sfsmpint pci_apic_pin __P((int, int, int)); 12225499Sfsmpint undirect_isa_irq __P((int)); 12325164Speterint undirect_pci_irq __P((int)); 12425164Speterint apic_bus_type __P((int)); 12525164Speterint apic_src_bus_id __P((int, int)); 12625164Speterint apic_src_bus_irq __P((int, int)); 12725164Speterint apic_int_type __P((int, int)); 12825164Speterint apic_trigger __P((int, int)); 12925164Speterint apic_polarity __P((int, int)); 13027285Sfsmpvoid bsp_apic_configure __P((void)); 13125164Spetervoid init_secondary __P((void)); 13225164Spetervoid smp_invltlb __P((void)); 13327002Sfsmpint stop_cpus __P((u_int)); 13427002Sfsmpint restart_cpus __P((u_int)); 13534017Stegge#ifdef BETTER_CLOCK 13634017Steggevoid forward_statclock __P((int pscnt)); 13734017Steggevoid forward_hardclock __P((int pscnt)); 13834017Stegge#endif /* BETTER_CLOCK */ 13934020Steggevoid forward_signal __P((struct proc *)); 14034021Stegge#ifdef APIC_INTR_REORDER 14134021Steggevoid set_lapic_isrloc __P((int, int)); 14234021Stegge#endif /* APIC_INTR_REORDER */ 14325164Speter 14425164Speter/* global data in mpapic.c */ 14526812Speterextern volatile lapic_t lapic; 14625164Speter 14725164Speter#if defined(MULTIPLE_IOAPICS) 14825164Speter#error MULTIPLE_IOAPICSXXX 14925164Speter#else 15026812Speterextern volatile ioapic_t *ioapic[]; 15125164Speter#endif /* MULTIPLE_IOAPICS */ 15225164Speter 15325164Speter/* functions in mpapic.c */ 15427559Sfsmpvoid apic_dump __P((char*)); 15527285Sfsmpvoid apic_initialize __P((void)); 15627616Sfsmpvoid imen_dump __P((void)); 15725362Sfsmpint apic_ipi __P((int, int, int)); 15825164Speterint selected_apic_ipi __P((u_int, int, int)); 15925164Speterint io_apic_setup __P((int)); 16025164Speterint ext_int_setup __P((int, int)); 16125164Speter 16225164Speter#if defined(READY) 16325164Spetervoid clr_io_apic_mask24 __P((int, u_int32_t)); 16425164Spetervoid set_io_apic_mask24 __P((int, u_int32_t)); 16525164Speter#endif /* READY */ 16625164Speter 16725164Spetervoid set_apic_timer __P((int)); 16825164Speterint read_apic_timer __P((void)); 16925164Spetervoid u_sleep __P((int)); 17025164Speter 17125164Speter/* global data in init_smp.c */ 17228231Sfsmpextern int invltlb_ok; 17325164Speterextern int smp_active; 17428231Sfsmpextern volatile int smp_idle_loops; 17525164Speter 17627002Sfsmp/* 'private' global data in locore.s */ 17726812Speterextern volatile u_int cpuid; 17826812Speterextern volatile u_int cpu_lockid; 17929213Sfsmpextern int inside_intr; 18027002Sfsmpextern volatile u_int other_cpus; 18125164Speter 18227728Sfsmp#endif /* !LOCORE */ 18325164Speter#endif /* SMP || APIC_IO */ 18425164Speter#endif /* KERNEL */ 18525164Speter#endif /* _MACHINE_SMP_H_ */ 186