smp.h revision 99862
10SN/A/* 20SN/A * ---------------------------------------------------------------------------- 30SN/A * "THE BEER-WARE LICENSE" (Revision 42): 40SN/A * <phk@FreeBSD.org> wrote this file. As long as you retain this notice you 50SN/A * can do whatever you want with this stuff. If we meet some day, and you think 60SN/A * this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp 70SN/A * ---------------------------------------------------------------------------- 80SN/A * 90SN/A * $FreeBSD: head/sys/i386/include/smp.h 99862 2002-07-12 07:56:11Z peter $ 100SN/A * 110SN/A */ 120SN/A 130SN/A#ifndef _MACHINE_SMP_H_ 140SN/A#define _MACHINE_SMP_H_ 150SN/A 160SN/A#ifdef _KERNEL 170SN/A 180SN/A#if defined(SMP) && defined(I386_CPU) && !defined(COMPILING_LINT) 190SN/A#error SMP not supported with I386_CPU 200SN/A#endif 215366SN/A#if defined(SMP) && !defined(APIC_IO) 225366SN/A# error APIC_IO required for SMP, add "options APIC_IO" to your config file. 235366SN/A#endif /* SMP && !APIC_IO */ 245366SN/A 255366SN/A#if defined(SMP) || defined(APIC_IO) 265366SN/A 275366SN/A#ifndef LOCORE 285366SN/A 297032SN/A/* 305366SN/A * For sending values to POST displays. 317032SN/A * XXX FIXME: where does this really belong, isa.h/isa.c perhaps? 325366SN/A */ 335366SN/Aextern int current_postcode; /** XXX currently in mp_machdep.c */ 345366SN/A#define POSTCODE(X) current_postcode = (X), \ 350SN/A outb(0x80, current_postcode) 365366SN/A#define POSTCODE_LO(X) current_postcode &= 0xf0, \ 375366SN/A current_postcode |= ((X) & 0x0f), \ 385366SN/A outb(0x80, current_postcode) 395366SN/A#define POSTCODE_HI(X) current_postcode &= 0x0f, \ 405366SN/A current_postcode |= (((X) << 4) & 0xf0), \ 41 outb(0x80, current_postcode) 42 43 44#include <sys/bus.h> /* XXX */ 45#include <machine/apic.h> 46#include <machine/frame.h> 47#include <i386/isa/icu.h> 48#include <i386/isa/intr_machdep.h> 49 50/* 51 * Interprocessor interrupts for SMP. 52 */ 53#define IPI_INVLTLB XINVLTLB_OFFSET 54#define IPI_INVLPG XINVLPG_OFFSET 55#define IPI_INVLRNG XINVLRNG_OFFSET 56#define IPI_RENDEZVOUS XRENDEZVOUS_OFFSET 57#define IPI_AST XCPUAST_OFFSET 58#define IPI_STOP XCPUSTOP_OFFSET 59#define IPI_HARDCLOCK XHARDCLOCK_OFFSET 60#define IPI_STATCLOCK XSTATCLOCK_OFFSET 61 62/* global data in mpboot.s */ 63extern int bootMP_size; 64 65/* functions in mpboot.s */ 66void bootMP(void); 67 68/* global data in mp_machdep.c */ 69extern int bsp_apic_ready; 70extern int mp_naps; 71extern int mp_nbusses; 72extern int mp_napics; 73extern int mp_picmode; 74extern int boot_cpu_id; 75extern vm_offset_t cpu_apic_address; 76extern vm_offset_t io_apic_address[]; 77extern u_int32_t cpu_apic_versions[]; 78extern u_int32_t *io_apic_versions; 79extern int cpu_num_to_apic_id[]; 80extern int io_num_to_apic_id[]; 81extern int apic_id_to_logical[]; 82#define APIC_INTMAPSIZE 32 83struct apic_intmapinfo { 84 int ioapic; 85 int int_pin; 86 volatile void *apic_address; 87 int redirindex; 88}; 89extern struct apic_intmapinfo int_to_apicintpin[]; 90extern struct pcb stoppcbs[]; 91 92/* functions in mp_machdep.c */ 93void i386_mp_probe(void); 94u_int mp_bootaddress(u_int); 95u_int isa_apic_mask(u_int); 96int isa_apic_irq(int); 97int pci_apic_irq(int, int, int); 98int apic_irq(int, int); 99int next_apic_irq(int); 100int undirect_isa_irq(int); 101int undirect_pci_irq(int); 102int apic_bus_type(int); 103int apic_src_bus_id(int, int); 104int apic_src_bus_irq(int, int); 105int apic_int_type(int, int); 106int apic_trigger(int, int); 107int apic_polarity(int, int); 108void assign_apic_irq(int apic, int intpin, int irq); 109void revoke_apic_irq(int irq); 110void bsp_apic_configure(void); 111void init_secondary(void); 112void forward_statclock(void); 113void forwarded_statclock(struct trapframe frame); 114void forward_hardclock(void); 115void forwarded_hardclock(struct trapframe frame); 116void ipi_selected(u_int cpus, u_int ipi); 117void ipi_all(u_int ipi); 118void ipi_all_but_self(u_int ipi); 119void ipi_self(u_int ipi); 120#ifdef APIC_INTR_REORDER 121void set_lapic_isrloc(int, int); 122#endif /* APIC_INTR_REORDER */ 123void smp_invlpg(vm_offset_t addr); 124void smp_masked_invlpg(u_int mask, vm_offset_t addr); 125void smp_invlpg_range(vm_offset_t startva, vm_offset_t endva); 126void smp_masked_invlpg_range(u_int mask, vm_offset_t startva, 127 vm_offset_t endva); 128void smp_invltlb(void); 129void smp_masked_invltlb(u_int mask); 130 131/* global data in mpapic.c */ 132extern volatile lapic_t lapic; 133extern volatile ioapic_t **ioapic; 134 135/* functions in mpapic.c */ 136void apic_dump(char*); 137void apic_initialize(void); 138void imen_dump(void); 139int apic_ipi(int, int, int); 140int selected_apic_ipi(u_int, int, int); 141int io_apic_setup(int); 142void io_apic_setup_intpin(int, int); 143void io_apic_set_id(int, int); 144int io_apic_get_id(int); 145int ext_int_setup(int, int); 146 147void set_apic_timer(int); 148int read_apic_timer(void); 149void u_sleep(int); 150u_int io_apic_read(int, int); 151void io_apic_write(int, int, u_int); 152 153#endif /* !LOCORE */ 154#endif /* SMP && !APIC_IO */ 155 156#endif /* _KERNEL */ 157#endif /* _MACHINE_SMP_H_ */ 158