smp.h revision 110296
1/* 2 * ---------------------------------------------------------------------------- 3 * "THE BEER-WARE LICENSE" (Revision 42): 4 * <phk@FreeBSD.org> wrote this file. As long as you retain this notice you 5 * can do whatever you want with this stuff. If we meet some day, and you think 6 * this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp 7 * ---------------------------------------------------------------------------- 8 * 9 * $FreeBSD: head/sys/i386/include/smp.h 110296 2003-02-03 17:53:15Z jake $ 10 * 11 */ 12 13#ifndef _MACHINE_SMP_H_ 14#define _MACHINE_SMP_H_ 15 16#ifdef _KERNEL 17 18#if defined(SMP) && defined(I386_CPU) && !defined(COMPILING_LINT) 19#error SMP not supported with I386_CPU 20#endif 21#if defined(SMP) && !defined(APIC_IO) 22# error APIC_IO required for SMP, add "options APIC_IO" to your config file. 23#endif /* SMP && !APIC_IO */ 24#if defined(SMP) && defined(CPU_DISABLE_CMPXCHG) && !defined(COMPILING_LINT) 25#error SMP not supported with CPU_DISABLE_CMPXCHG 26#endif 27 28#if defined(SMP) || defined(APIC_IO) 29 30#ifndef LOCORE 31 32/* 33 * For sending values to POST displays. 34 * XXX FIXME: where does this really belong, isa.h/isa.c perhaps? 35 */ 36extern int current_postcode; /** XXX currently in mp_machdep.c */ 37#define POSTCODE(X) current_postcode = (X), \ 38 outb(0x80, current_postcode) 39#define POSTCODE_LO(X) current_postcode &= 0xf0, \ 40 current_postcode |= ((X) & 0x0f), \ 41 outb(0x80, current_postcode) 42#define POSTCODE_HI(X) current_postcode &= 0x0f, \ 43 current_postcode |= (((X) << 4) & 0xf0), \ 44 outb(0x80, current_postcode) 45 46 47#include <sys/bus.h> /* XXX */ 48#include <machine/apic.h> 49#include <machine/frame.h> 50#include <i386/isa/icu.h> 51#include <i386/isa/intr_machdep.h> 52 53/* 54 * Interprocessor interrupts for SMP. 55 */ 56#define IPI_INVLTLB XINVLTLB_OFFSET 57#define IPI_INVLPG XINVLPG_OFFSET 58#define IPI_INVLRNG XINVLRNG_OFFSET 59#define IPI_RENDEZVOUS XRENDEZVOUS_OFFSET 60#define IPI_AST XCPUAST_OFFSET 61#define IPI_STOP XCPUSTOP_OFFSET 62#define IPI_HARDCLOCK XHARDCLOCK_OFFSET 63#define IPI_STATCLOCK XSTATCLOCK_OFFSET 64 65/* global data in mpboot.s */ 66extern int bootMP_size; 67 68/* functions in mpboot.s */ 69void bootMP(void); 70 71/* global data in mp_machdep.c */ 72extern int bsp_apic_ready; 73extern int mp_naps; 74extern int mp_nbusses; 75extern int mp_napics; 76extern int mp_picmode; 77extern int boot_cpu_id; 78extern vm_offset_t cpu_apic_address; 79extern vm_offset_t io_apic_address[]; 80extern u_int32_t cpu_apic_versions[]; 81extern u_int32_t *io_apic_versions; 82extern int cpu_num_to_apic_id[]; 83extern int io_num_to_apic_id[]; 84extern int apic_id_to_logical[]; 85#define APIC_INTMAPSIZE 32 86struct apic_intmapinfo { 87 int ioapic; 88 int int_pin; 89 volatile void *apic_address; 90 int redirindex; 91}; 92extern struct apic_intmapinfo int_to_apicintpin[]; 93extern struct pcb stoppcbs[]; 94 95/* functions in mp_machdep.c */ 96void i386_mp_probe(void); 97u_int mp_bootaddress(u_int); 98u_int isa_apic_mask(u_int); 99int isa_apic_irq(int); 100int pci_apic_irq(int, int, int); 101int apic_irq(int, int); 102int next_apic_irq(int); 103int undirect_isa_irq(int); 104int undirect_pci_irq(int); 105int apic_bus_type(int); 106int apic_src_bus_id(int, int); 107int apic_src_bus_irq(int, int); 108int apic_int_type(int, int); 109int apic_trigger(int, int); 110int apic_polarity(int, int); 111void assign_apic_irq(int apic, int intpin, int irq); 112void revoke_apic_irq(int irq); 113void bsp_apic_configure(void); 114void init_secondary(void); 115void forward_statclock(void); 116void forwarded_statclock(struct clockframe frame); 117void forward_hardclock(void); 118void forwarded_hardclock(struct clockframe frame); 119void ipi_selected(u_int cpus, u_int ipi); 120void ipi_all(u_int ipi); 121void ipi_all_but_self(u_int ipi); 122void ipi_self(u_int ipi); 123#ifdef APIC_INTR_REORDER 124void set_lapic_isrloc(int, int); 125#endif /* APIC_INTR_REORDER */ 126void smp_invlpg(vm_offset_t addr); 127void smp_masked_invlpg(u_int mask, vm_offset_t addr); 128void smp_invlpg_range(vm_offset_t startva, vm_offset_t endva); 129void smp_masked_invlpg_range(u_int mask, vm_offset_t startva, 130 vm_offset_t endva); 131void smp_invltlb(void); 132void smp_masked_invltlb(u_int mask); 133 134/* global data in mpapic.c */ 135extern volatile lapic_t lapic; 136extern volatile ioapic_t **ioapic; 137 138/* functions in mpapic.c */ 139void apic_dump(char*); 140void apic_initialize(void); 141void imen_dump(void); 142int apic_ipi(int, int, int); 143int selected_apic_ipi(u_int, int, int); 144int io_apic_setup(int); 145void io_apic_setup_intpin(int, int); 146void io_apic_set_id(int, int); 147int io_apic_get_id(int); 148int ext_int_setup(int, int); 149 150void set_apic_timer(int); 151int read_apic_timer(void); 152void u_sleep(int); 153u_int io_apic_read(int, int); 154void io_apic_write(int, int, u_int); 155 156#endif /* !LOCORE */ 157#endif /* SMP && !APIC_IO */ 158 159#endif /* _KERNEL */ 160#endif /* _MACHINE_SMP_H_ */ 161