smp.h revision 99862
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 * 950477Speter * $FreeBSD: head/sys/i386/include/smp.h 99862 2002-07-12 07:56:11Z peter $ 1025164Speter * 1125164Speter */ 1225164Speter 1325164Speter#ifndef _MACHINE_SMP_H_ 1425164Speter#define _MACHINE_SMP_H_ 1525164Speter 1655205Speter#ifdef _KERNEL 1725164Speter 1865932Sphk#if defined(SMP) && defined(I386_CPU) && !defined(COMPILING_LINT) 1965557Sjasone#error SMP not supported with I386_CPU 2065557Sjasone#endif 2125517Sfsmp#if defined(SMP) && !defined(APIC_IO) 2225517Sfsmp# error APIC_IO required for SMP, add "options APIC_IO" to your config file. 2327002Sfsmp#endif /* SMP && !APIC_IO */ 2425517Sfsmp 2525164Speter#if defined(SMP) || defined(APIC_IO) 2625164Speter 2727728Sfsmp#ifndef LOCORE 2827728Sfsmp 2927002Sfsmp/* 3027002Sfsmp * For sending values to POST displays. 3127252Sfsmp * XXX FIXME: where does this really belong, isa.h/isa.c perhaps? 3227002Sfsmp */ 3327252Sfsmpextern int current_postcode; /** XXX currently in mp_machdep.c */ 3427252Sfsmp#define POSTCODE(X) current_postcode = (X), \ 3527252Sfsmp outb(0x80, current_postcode) 3627252Sfsmp#define POSTCODE_LO(X) current_postcode &= 0xf0, \ 3727252Sfsmp current_postcode |= ((X) & 0x0f), \ 3827252Sfsmp outb(0x80, current_postcode) 3927252Sfsmp#define POSTCODE_HI(X) current_postcode &= 0x0f, \ 4027252Sfsmp current_postcode |= (((X) << 4) & 0xf0), \ 4127252Sfsmp outb(0x80, current_postcode) 4227002Sfsmp 4327252Sfsmp 4476078Sjhb#include <sys/bus.h> /* XXX */ 4526269Sfsmp#include <machine/apic.h> 4676078Sjhb#include <machine/frame.h> 4776078Sjhb#include <i386/isa/icu.h> 4876078Sjhb#include <i386/isa/intr_machdep.h> 4926269Sfsmp 5076078Sjhb/* 5176078Sjhb * Interprocessor interrupts for SMP. 5276078Sjhb */ 5376078Sjhb#define IPI_INVLTLB XINVLTLB_OFFSET 5499862Speter#define IPI_INVLPG XINVLPG_OFFSET 5599862Speter#define IPI_INVLRNG XINVLRNG_OFFSET 5676078Sjhb#define IPI_RENDEZVOUS XRENDEZVOUS_OFFSET 5776078Sjhb#define IPI_AST XCPUAST_OFFSET 5876078Sjhb#define IPI_STOP XCPUSTOP_OFFSET 5976078Sjhb#define IPI_HARDCLOCK XHARDCLOCK_OFFSET 6076078Sjhb#define IPI_STATCLOCK XSTATCLOCK_OFFSET 6176078Sjhb 6225164Speter/* global data in mpboot.s */ 6325164Speterextern int bootMP_size; 6425164Speter 6525164Speter/* functions in mpboot.s */ 6693018Sbdevoid bootMP(void); 6725164Speter 6825164Speter/* global data in mp_machdep.c */ 6928669Sfsmpextern int bsp_apic_ready; 7025164Speterextern int mp_naps; 7125164Speterextern int mp_nbusses; 7225164Speterextern int mp_napics; 7325164Speterextern int mp_picmode; 7425164Speterextern int boot_cpu_id; 7525164Speterextern vm_offset_t cpu_apic_address; 7625164Speterextern vm_offset_t io_apic_address[]; 7725164Speterextern u_int32_t cpu_apic_versions[]; 7866277Spsextern u_int32_t *io_apic_versions; 7925164Speterextern int cpu_num_to_apic_id[]; 8025164Speterextern int io_num_to_apic_id[]; 8125164Speterextern int apic_id_to_logical[]; 8269578Speter#define APIC_INTMAPSIZE 32 8338888Steggestruct apic_intmapinfo { 8438888Stegge int ioapic; 8538888Stegge int int_pin; 8638888Stegge volatile void *apic_address; 8738888Stegge int redirindex; 8838888Stegge}; 8938888Steggeextern struct apic_intmapinfo int_to_apicintpin[]; 9036135Steggeextern struct pcb stoppcbs[]; 9125164Speter 9225164Speter/* functions in mp_machdep.c */ 9393018Sbdevoid i386_mp_probe(void); 9493018Sbdeu_int mp_bootaddress(u_int); 9593018Sbdeu_int isa_apic_mask(u_int); 9693018Sbdeint isa_apic_irq(int); 9793018Sbdeint pci_apic_irq(int, int, int); 9893018Sbdeint apic_irq(int, int); 9993018Sbdeint next_apic_irq(int); 10093018Sbdeint undirect_isa_irq(int); 10193018Sbdeint undirect_pci_irq(int); 10293018Sbdeint apic_bus_type(int); 10393018Sbdeint apic_src_bus_id(int, int); 10493018Sbdeint apic_src_bus_irq(int, int); 10593018Sbdeint apic_int_type(int, int); 10693018Sbdeint apic_trigger(int, int); 10793018Sbdeint apic_polarity(int, int); 10893018Sbdevoid assign_apic_irq(int apic, int intpin, int irq); 10993018Sbdevoid revoke_apic_irq(int irq); 11093018Sbdevoid bsp_apic_configure(void); 11193018Sbdevoid init_secondary(void); 11293018Sbdevoid forward_statclock(void); 11393018Sbdevoid forwarded_statclock(struct trapframe frame); 11493018Sbdevoid forward_hardclock(void); 11593018Sbdevoid forwarded_hardclock(struct trapframe frame); 11693018Sbdevoid ipi_selected(u_int cpus, u_int ipi); 11793018Sbdevoid ipi_all(u_int ipi); 11893018Sbdevoid ipi_all_but_self(u_int ipi); 11993018Sbdevoid ipi_self(u_int ipi); 12034021Stegge#ifdef APIC_INTR_REORDER 12193018Sbdevoid set_lapic_isrloc(int, int); 12234021Stegge#endif /* APIC_INTR_REORDER */ 12399862Spetervoid smp_invlpg(vm_offset_t addr); 12499862Spetervoid smp_masked_invlpg(u_int mask, vm_offset_t addr); 12599862Spetervoid smp_invlpg_range(vm_offset_t startva, vm_offset_t endva); 12699862Spetervoid smp_masked_invlpg_range(u_int mask, vm_offset_t startva, 12799862Speter vm_offset_t endva); 12899862Spetervoid smp_invltlb(void); 12999862Spetervoid smp_masked_invltlb(u_int mask); 13025164Speter 13125164Speter/* global data in mpapic.c */ 13226812Speterextern volatile lapic_t lapic; 13366277Spsextern volatile ioapic_t **ioapic; 13425164Speter 13525164Speter/* functions in mpapic.c */ 13693018Sbdevoid apic_dump(char*); 13793018Sbdevoid apic_initialize(void); 13893018Sbdevoid imen_dump(void); 13993018Sbdeint apic_ipi(int, int, int); 14093018Sbdeint selected_apic_ipi(u_int, int, int); 14193018Sbdeint io_apic_setup(int); 14293018Sbdevoid io_apic_setup_intpin(int, int); 14393018Sbdevoid io_apic_set_id(int, int); 14493018Sbdeint io_apic_get_id(int); 14593018Sbdeint ext_int_setup(int, int); 14625164Speter 14793018Sbdevoid set_apic_timer(int); 14893018Sbdeint read_apic_timer(void); 14993018Sbdevoid u_sleep(int); 15093018Sbdeu_int io_apic_read(int, int); 15193018Sbdevoid io_apic_write(int, int, u_int); 15225164Speter 15327728Sfsmp#endif /* !LOCORE */ 15465557Sjasone#endif /* SMP && !APIC_IO */ 15558755Sdillon 15655205Speter#endif /* _KERNEL */ 15725164Speter#endif /* _MACHINE_SMP_H_ */ 158