smp.h revision 25164
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 * 925164Speter * $Id: smp.h,v 1.29 1997/04/26 08:11:50 peter Exp $ 1025164Speter * 1125164Speter */ 1225164Speter 1325164Speter#ifndef _MACHINE_SMP_H_ 1425164Speter#define _MACHINE_SMP_H_ 1525164Speter 1625164Speter#ifdef KERNEL 1725164Speter 1825164Speter#include "opt_smp.h" 1925164Speter#include "opt_smp_invltlb.h" /* aiee! (for cpufunc.h!) */ 2025164Speter 2125164Speter#if defined(SMP) && !defined(NCPU) 2225164Speter# define NCPU 2 2325164Speter#endif /* SMP && NCPU */ 2425164Speter 2525164Speter#if defined(SMP) || defined(APIC_IO) 2625164Speter 2725164Speter/* global data in mpboot.s */ 2825164Speterextern int bootMP_size; 2925164Speter 3025164Speter/* functions in mpboot.s */ 3125164Spetervoid bootMP __P((void)); 3225164Speter 3325164Speter/* global data in mplock.s */ 3425164Speterextern u_int mp_lock; 3525164Speter 3625164Speter/* functions in mplock.s */ 3725164Spetervoid get_mplock __P((void)); 3825164Spetervoid rel_mplock __P((void)); 3925164Spetervoid expect_mplock __P((void)); 4025164Speter 4125164Speter/* global data in mp_machdep.c */ 4225164Speterextern struct proc* SMPcurproc[NCPU]; 4325164Speterextern struct pcb* SMPcurpcb[NCPU]; 4425164Speterextern struct timeval SMPruntime[NCPU]; 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)); 6225164Spetervoid mp_start __P((void)); 6325164Spetervoid mp_announce __P((void)); 6425164Speterint get_isa_apic_irq __P((int)); 6525164Speterint get_eisa_apic_irq __P((int)); 6625164Speterint get_pci_apic_irq __P((int, int, int)); 6725164Speterint undirect_pci_irq __P((int)); 6825164Speterint apic_bus_type __P((int)); 6925164Speterint apic_src_bus_id __P((int, int)); 7025164Speterint apic_src_bus_irq __P((int, int)); 7125164Speterint apic_int_type __P((int, int)); 7225164Speterint apic_trigger __P((int, int)); 7325164Speterint apic_polarity __P((int, int)); 7425164Spetervoid configure_local_apic __P((void)); 7525164Spetervoid init_secondary __P((void)); 7625164Speter#ifdef SMP_INVLTLB 7725164Spetervoid ipi_invltlb __P((void)); 7825164Spetervoid smp_invltlb __P((void)); 7925164Speter#endif 8025164Speter 8125164Speter/* global data in mpapic.c */ 8225164Speterextern volatile u_int* apic_base; 8325164Speter 8425164Speter#if defined(MULTIPLE_IOAPICS) 8525164Speter#error MULTIPLE_IOAPICSXXX 8625164Speter#else 8725164Speterextern volatile u_int* io_apic_base; 8825164Speter#endif /* MULTIPLE_IOAPICS */ 8925164Speter 9025164Speter/* functions in mpapic.c */ 9125164Spetervoid apic_initialize __P((int)); 9225164Speterint selected_apic_ipi __P((u_int, int, int)); 9325164Speterint io_apic_setup __P((int)); 9425164Speterint ext_int_setup __P((int, int)); 9525164Spetervoid write_io_apic_mask24 __P((int, u_int32_t)); 9625164Speter 9725164Speter#if defined(READY) 9825164Spetervoid clr_io_apic_mask24 __P((int, u_int32_t)); 9925164Spetervoid set_io_apic_mask24 __P((int, u_int32_t)); 10025164Speter#endif /* READY */ 10125164Speter 10225164Spetervoid set_apic_timer __P((int)); 10325164Speterint read_apic_timer __P((void)); 10425164Spetervoid u_sleep __P((int)); 10525164Speter 10625164Speter/* global data in init_smp.c */ 10725164Speterextern int smp_active; 10825164Speterextern int invldebug; 10925164Speter 11025164Speter/* in pmap.c FIXME: belongs in pmap.h??? */ 11125164Spetervoid pmap_bootstrap_apics __P((void)); 11225164Spetervoid pmap_bootstrap2 __P((void)); 11325164Speter 11425164Speter#if 0 11525164Speter/* chicken and egg problem... */ 11625164Speterstatic __inline unsigned 11725164Spetercpunumber(void) 11825164Speter{ 11925164Speter return (unsigned)ID_TO_CPU((apic_base[APIC_ID] & APIC_ID_MASK) >> 24); 12025164Speter} 12125164Speter#else 12225164Speter/* 12325164Speter * we 'borrow' this info from apic.h 12425164Speter * this will go away soon... 12525164Speter */ 12625164Speterstatic __inline unsigned 12725164Spetercpunumber(void) 12825164Speter{ 12925164Speter return (unsigned)(apic_id_to_logical[(apic_base[8] & 0x0f000000) >> 24]); 13025164Speter} 13125164Speter#endif /* 0 */ 13225164Speter 13325164Speter#endif /* SMP || APIC_IO */ 13425164Speter#endif /* KERNEL */ 13525164Speter#endif /* _MACHINE_SMP_H_ */ 136