smp.h revision 105347
1182080Srnoland/* 2139749Simp * ---------------------------------------------------------------------------- 3112015Sanholt * "THE BEER-WARE LICENSE" (Revision 42): 4145132Sanholt * <phk@FreeBSD.org> wrote this file. As long as you retain this notice you 5112015Sanholt * can do whatever you want with this stuff. If we meet some day, and you think 6112015Sanholt * this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp 7112015Sanholt * ---------------------------------------------------------------------------- 8112015Sanholt * 9112015Sanholt * $FreeBSD: head/sys/amd64/include/smp.h 105347 2002-10-17 18:17:28Z pirzyk $ 10112015Sanholt * 11112015Sanholt */ 12112015Sanholt 13112015Sanholt#ifndef _MACHINE_SMP_H_ 14112015Sanholt#define _MACHINE_SMP_H_ 15112015Sanholt 16112015Sanholt#ifdef _KERNEL 17112015Sanholt 18112015Sanholt#if defined(SMP) && defined(I386_CPU) && !defined(COMPILING_LINT) 19112015Sanholt#error SMP not supported with I386_CPU 20112015Sanholt#endif 21112015Sanholt#if defined(SMP) && !defined(APIC_IO) 22112015Sanholt# error APIC_IO required for SMP, add "options APIC_IO" to your config file. 23112015Sanholt#endif /* SMP && !APIC_IO */ 24112015Sanholt#if defined(SMP) && defined(CPU_DISABLE_CMPXCHG) && !defined(COMPILING_LINT) 25112015Sanholt#error SMP not supported with CPU_DISABLE_CMPXCHG 26112015Sanholt#endif 27112015Sanholt 28112015Sanholt#if defined(SMP) || defined(APIC_IO) 29112015Sanholt 30112015Sanholt#ifndef LOCORE 31112015Sanholt 32112015Sanholt/* 33152909Sanholt * For sending values to POST displays. 34152909Sanholt * XXX FIXME: where does this really belong, isa.h/isa.c perhaps? 35152909Sanholt */ 36112015Sanholtextern int current_postcode; /** XXX currently in mp_machdep.c */ 37112015Sanholt#define POSTCODE(X) current_postcode = (X), \ 38112015Sanholt outb(0x80, current_postcode) 39112015Sanholt#define POSTCODE_LO(X) current_postcode &= 0xf0, \ 40112015Sanholt current_postcode |= ((X) & 0x0f), \ 41182080Srnoland outb(0x80, current_postcode) 42182080Srnoland#define POSTCODE_HI(X) current_postcode &= 0x0f, \ 43182080Srnoland current_postcode |= (((X) << 4) & 0xf0), \ 44182080Srnoland outb(0x80, current_postcode) 45182080Srnoland 46182080Srnoland 47182080Srnoland#include <sys/bus.h> /* XXX */ 48182080Srnoland#include <machine/apic.h> 49182080Srnoland#include <machine/frame.h> 50182080Srnoland#include <i386/isa/icu.h> 51145132Sanholt#include <i386/isa/intr_machdep.h> 52112015Sanholt 53182080Srnoland/* 54145132Sanholt * Interprocessor interrupts for SMP. 55112015Sanholt */ 56112015Sanholt#define IPI_INVLTLB XINVLTLB_OFFSET 57145132Sanholt#define IPI_INVLPG XINVLPG_OFFSET 58145132Sanholt#define IPI_INVLRNG XINVLRNG_OFFSET 59112015Sanholt#define IPI_RENDEZVOUS XRENDEZVOUS_OFFSET 60145132Sanholt#define IPI_AST XCPUAST_OFFSET 61145132Sanholt#define IPI_STOP XCPUSTOP_OFFSET 62182080Srnoland#define IPI_HARDCLOCK XHARDCLOCK_OFFSET 63182080Srnoland#define IPI_STATCLOCK XSTATCLOCK_OFFSET 64119098Sanholt 65112015Sanholt/* global data in mpboot.s */ 66119098Sanholtextern int bootMP_size; 67112015Sanholt 68112015Sanholt/* functions in mpboot.s */ 69182080Srnolandvoid bootMP(void); 70112015Sanholt 71182080Srnoland/* global data in mp_machdep.c */ 72112015Sanholtextern int bsp_apic_ready; 73182080Srnolandextern int mp_naps; 74182080Srnolandextern int mp_nbusses; 75182080Srnolandextern int mp_napics; 76182080Srnolandextern int mp_picmode; 77112015Sanholtextern int boot_cpu_id; 78182080Srnolandextern vm_offset_t cpu_apic_address; 79182080Srnolandextern vm_offset_t io_apic_address[]; 80182080Srnolandextern u_int32_t cpu_apic_versions[]; 81112015Sanholtextern u_int32_t *io_apic_versions; 82182080Srnolandextern int cpu_num_to_apic_id[]; 83182080Srnolandextern int io_num_to_apic_id[]; 84182080Srnolandextern int apic_id_to_logical[]; 85182080Srnoland#define APIC_INTMAPSIZE 32 86182080Srnolandstruct apic_intmapinfo { 87182080Srnoland int ioapic; 88182080Srnoland int int_pin; 89182080Srnoland volatile void *apic_address; 90182080Srnoland int redirindex; 91182080Srnoland}; 92182080Srnolandextern struct apic_intmapinfo int_to_apicintpin[]; 93182080Srnolandextern struct pcb stoppcbs[]; 94112015Sanholt 95112015Sanholt/* functions in mp_machdep.c */ 96182080Srnolandvoid i386_mp_probe(void); 97145132Sanholtu_int mp_bootaddress(u_int); 98145132Sanholtu_int isa_apic_mask(u_int); 99112015Sanholtint isa_apic_irq(int); 100112015Sanholtint pci_apic_irq(int, int, int); 101145132Sanholtint apic_irq(int, int); 102112015Sanholtint next_apic_irq(int); 103145132Sanholtint undirect_isa_irq(int); 104112015Sanholtint undirect_pci_irq(int); 105112015Sanholtint apic_bus_type(int); 106182080Srnolandint apic_src_bus_id(int, int); 107145132Sanholtint apic_src_bus_irq(int, int); 108189130Srnolandint apic_int_type(int, int); 109112015Sanholtint apic_trigger(int, int); 110112015Sanholtint apic_polarity(int, int); 111182080Srnolandvoid assign_apic_irq(int apic, int intpin, int irq); 112145132Sanholtvoid revoke_apic_irq(int irq); 113145132Sanholtvoid bsp_apic_configure(void); 114119098Sanholtvoid init_secondary(void); 115119098Sanholtvoid forward_statclock(void); 116119098Sanholtvoid forwarded_statclock(struct trapframe frame); 117119098Sanholtvoid forward_hardclock(void); 118145132Sanholtvoid forwarded_hardclock(struct trapframe frame); 119112015Sanholtvoid 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