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 *
| 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 *
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9 * $FreeBSD: head/sys/i386/include/smp.h 112993 2003-04-02 23:53:30Z peter $
| 9 * $FreeBSD: head/sys/i386/include/smp.h 121996 2003-11-03 22:32:04Z jhb $
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10 * 11 */ 12 13#ifndef _MACHINE_SMP_H_ 14#define _MACHINE_SMP_H_ 15 16#ifdef _KERNEL 17
| 10 * 11 */ 12 13#ifndef _MACHINE_SMP_H_ 14#define _MACHINE_SMP_H_ 15 16#ifdef _KERNEL 17
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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
| 18#ifdef SMP
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27
| 19
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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
| 20#ifndef LOCORE 21 22/* 23 * For sending values to POST displays. 24 * XXX FIXME: where does this really belong, isa.h/isa.c perhaps? 25 */ 26extern int current_postcode; /** XXX currently in mp_machdep.c */ 27#define POSTCODE(X) current_postcode = (X), \ 28 outb(0x80, current_postcode) 29#define POSTCODE_LO(X) current_postcode &= 0xf0, \ 30 current_postcode |= ((X) & 0x0f), \ 31 outb(0x80, current_postcode) 32#define POSTCODE_HI(X) current_postcode &= 0x0f, \ 33 current_postcode |= (((X) << 4) & 0xf0), \ 34 outb(0x80, current_postcode) 35
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46 47#include <sys/bus.h> /* XXX */ 48#include <machine/apic.h>
| 36#include <sys/bus.h>
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49#include <machine/frame.h>
| 37#include <machine/frame.h>
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50#include <i386/isa/icu.h> 51#include <i386/isa/intr_machdep.h>
| 38#include <machine/intr_machdep.h> 39#include <machine/apicvar.h>
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52
| 40
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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_LAZYPMAP XLAZYPMAP_OFFSET 60#define IPI_RENDEZVOUS XRENDEZVOUS_OFFSET 61#define IPI_AST XCPUAST_OFFSET 62#define IPI_STOP XCPUSTOP_OFFSET 63#define IPI_HARDCLOCK XHARDCLOCK_OFFSET 64#define IPI_STATCLOCK XSTATCLOCK_OFFSET 65
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66/* global data in mpboot.s */ 67extern int bootMP_size; 68 69/* functions in mpboot.s */ 70void bootMP(void); 71 72/* global data in mp_machdep.c */
| 41/* global data in mpboot.s */ 42extern int bootMP_size; 43 44/* functions in mpboot.s */ 45void bootMP(void); 46 47/* global data in mp_machdep.c */
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73extern int bsp_apic_ready;
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74extern int mp_naps;
| 48extern int mp_naps;
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75extern int mp_nbusses; 76extern int mp_napics; 77extern int mp_picmode;
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78extern int boot_cpu_id;
| 49extern int boot_cpu_id;
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79extern vm_offset_t cpu_apic_address; 80extern vm_offset_t io_apic_address[]; 81extern u_int32_t cpu_apic_versions[]; 82extern u_int32_t *io_apic_versions; 83extern int cpu_num_to_apic_id[]; 84extern int io_num_to_apic_id[]; 85extern int apic_id_to_logical[]; 86#define APIC_INTMAPSIZE 32 87struct apic_intmapinfo { 88 int ioapic; 89 int int_pin; 90 volatile void *apic_address; 91 int redirindex; 92}; 93extern struct apic_intmapinfo int_to_apicintpin[];
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94extern struct pcb stoppcbs[];
| 50extern struct pcb stoppcbs[];
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| 51extern struct mtx smp_tlb_mtx;
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95
| 52
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| 53/* IPI handlers */ 54inthand_t 55 IDTVEC(invltlb), /* TLB shootdowns - global */ 56 IDTVEC(invlpg), /* TLB shootdowns - 1 page */ 57 IDTVEC(invlrng), /* TLB shootdowns - page range */ 58 IDTVEC(hardclock), /* Forward hardclock() */ 59 IDTVEC(statclock), /* Forward statclock() */ 60 IDTVEC(cpuast), /* Additional software trap on other cpu */ 61 IDTVEC(cpustop), /* CPU stops & waits to be restarted */ 62 IDTVEC(rendezvous), /* handle CPU rendezvous */ 63 IDTVEC(lazypmap); /* handle lazy pmap release */ 64
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96/* functions in mp_machdep.c */
| 65/* functions in mp_machdep.c */
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97void i386_mp_probe(void); 98u_int mp_bootaddress(u_int); 99u_int isa_apic_mask(u_int); 100int isa_apic_irq(int); 101int pci_apic_irq(int, int, int); 102int apic_irq(int, int); 103int next_apic_irq(int); 104int undirect_isa_irq(int); 105int undirect_pci_irq(int); 106int apic_bus_type(int); 107int apic_src_bus_id(int, int); 108int apic_src_bus_irq(int, int); 109int apic_int_type(int, int); 110int apic_trigger(int, int); 111int apic_polarity(int, int); 112int mp_grab_cpu_hlt(void); 113void assign_apic_irq(int apic, int intpin, int irq); 114void revoke_apic_irq(int irq); 115void bsp_apic_configure(void);
| 66void cpu_add(u_int apic_id, char boot_cpu);
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116void init_secondary(void);
| 67void init_secondary(void);
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117void forward_statclock(void); 118void forwarded_statclock(struct clockframe frame); 119void forward_hardclock(void); 120void forwarded_hardclock(struct clockframe frame);
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121void ipi_selected(u_int cpus, u_int ipi); 122void ipi_all(u_int ipi); 123void ipi_all_but_self(u_int ipi); 124void ipi_self(u_int ipi);
| 68void ipi_selected(u_int cpus, u_int ipi); 69void ipi_all(u_int ipi); 70void ipi_all_but_self(u_int ipi); 71void ipi_self(u_int ipi);
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125#ifdef APIC_INTR_REORDER 126void set_lapic_isrloc(int, int); 127#endif /* APIC_INTR_REORDER */
| 72void forward_statclock(void); 73void forwarded_statclock(struct clockframe frame); 74void forward_hardclock(void); 75void forwarded_hardclock(struct clockframe frame); 76u_int mp_bootaddress(u_int); 77int mp_grab_cpu_hlt(void);
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128void smp_invlpg(vm_offset_t addr); 129void smp_masked_invlpg(u_int mask, vm_offset_t addr); 130void smp_invlpg_range(vm_offset_t startva, vm_offset_t endva); 131void smp_masked_invlpg_range(u_int mask, vm_offset_t startva, 132 vm_offset_t endva); 133void smp_invltlb(void); 134void smp_masked_invltlb(u_int mask); 135
| 78void smp_invlpg(vm_offset_t addr); 79void smp_masked_invlpg(u_int mask, vm_offset_t addr); 80void smp_invlpg_range(vm_offset_t startva, vm_offset_t endva); 81void smp_masked_invlpg_range(u_int mask, vm_offset_t startva, 82 vm_offset_t endva); 83void smp_invltlb(void); 84void smp_masked_invltlb(u_int mask); 85
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136/* global data in mpapic.c */ 137extern volatile lapic_t lapic; 138extern volatile ioapic_t **ioapic; 139 140/* functions in mpapic.c */ 141void apic_dump(char*); 142void apic_initialize(void); 143void imen_dump(void); 144int apic_ipi(int, int, int); 145int selected_apic_ipi(u_int, int, int); 146int io_apic_setup(int); 147void io_apic_setup_intpin(int, int); 148void io_apic_set_id(int, int); 149int io_apic_get_id(int); 150int ext_int_setup(int, int); 151 152void set_apic_timer(int); 153int read_apic_timer(void); 154void u_sleep(int); 155u_int io_apic_read(int, int); 156void io_apic_write(int, int, u_int); 157
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158#endif /* !LOCORE */
| 86#endif /* !LOCORE */
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159#endif /* SMP && !APIC_IO */
| 87#endif /* SMP */
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160 161#endif /* _KERNEL */ 162#endif /* _MACHINE_SMP_H_ */
| 88 89#endif /* _KERNEL */ 90#endif /* _MACHINE_SMP_H_ */
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