smp.h revision 121996
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 121996 2003-11-03 22:32:04Z jhb $ 10 * 11 */ 12 13#ifndef _MACHINE_SMP_H_ 14#define _MACHINE_SMP_H_ 15 16#ifdef _KERNEL 17 18#ifdef SMP 19 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 36#include <sys/bus.h> 37#include <machine/frame.h> 38#include <machine/intr_machdep.h> 39#include <machine/apicvar.h> 40 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 */ 48extern int mp_naps; 49extern int boot_cpu_id; 50extern struct pcb stoppcbs[]; 51extern struct mtx smp_tlb_mtx; 52 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 65/* functions in mp_machdep.c */ 66void cpu_add(u_int apic_id, char boot_cpu); 67void init_secondary(void); 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); 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); 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 86#endif /* !LOCORE */ 87#endif /* SMP */ 88 89#endif /* _KERNEL */ 90#endif /* _MACHINE_SMP_H_ */ 91