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: src/sys/amd64/include/smp.h,v 1.90 2007/05/19 05:01:43 kan Exp $ 10 * $DragonFly: src/sys/platform/pc64/include/smp.h,v 1.1 2007/09/23 04:42:07 yanyh Exp $ 11 * 12 */ 13 14 #ifndef _MACHINE_SMP_H_ 15 #define _MACHINE_SMP_H_ 16 17 #ifdef _KERNEL 18 19 #ifdef SMP 20 21 #ifndef LOCORE 22 23 #include <sys/bus.h> 24 #include <machine/frame.h> 25 #include <machine/intr_machdep.h> 26 #include <machine/apicvar.h> 27 #include <machine/pcb.h> 28 29 /* global symbols in mpboot.S */ 30 extern char mptramp_start[]; 31 extern char mptramp_end[]; 32 extern u_int32_t mptramp_pagetables; 33 34 /* global data in mp_machdep.c */ 35 extern int mp_naps; 36 extern int boot_cpu_id; 37 extern struct pcb stoppcbs[]; 38 extern struct mtx smp_tlb_mtx; 39 extern int cpu_apic_ids[]; 40 41 /* IPI handlers */ 42 inthand_t 43 IDTVEC(invltlb), /* TLB shootdowns - global */ 44 IDTVEC(invlpg), /* TLB shootdowns - 1 page */ 45 IDTVEC(invlrng), /* TLB shootdowns - page range */ 46 IDTVEC(invlcache), /* Write back and invalidate cache */ 47 IDTVEC(ipi_intr_bitmap_handler), /* Bitmap based IPIs */ 48 IDTVEC(cpustop), /* CPU stops & waits to be restarted */ 49 IDTVEC(rendezvous); /* handle CPU rendezvous */ 50 51 /* functions in mp_machdep.c */ 52 void cpu_add(u_int apic_id, char boot_cpu); 53 void cpustop_handler(void); 54 void init_secondary(void); 55 void ipi_selected(u_int cpus, u_int ipi); 56 void ipi_all(u_int ipi); 57 void ipi_all_but_self(u_int ipi); 58 void ipi_self(u_int ipi); 59 void ipi_bitmap_handler(struct trapframe frame); 60 u_int mp_bootaddress(u_int); 61 int mp_grab_cpu_hlt(void); 62 void mp_topology(void); 63 void smp_cache_flush(void); 64 void smp_invlpg(vm_offset_t addr); 65 void smp_masked_invlpg(u_int mask, vm_offset_t addr); 66 void smp_invlpg_range(vm_offset_t startva, vm_offset_t endva); 67 void smp_masked_invlpg_range(u_int mask, vm_offset_t startva, 68 vm_offset_t endva); 69 void smp_invltlb(void); 70 void smp_masked_invltlb(u_int mask); 71 72 #ifdef STOP_NMI 73 int ipi_nmi_handler(void); 74 #endif 75 76 #endif /* !LOCORE */ 77 #else /* !SMP */ 78 79 #define smp_active_mask 1 /* smp_active_mask always 1 on UP machines */ 80 81 #endif /* !SMP */ 82 83 #endif /* _KERNEL */ 84 #endif /* _MACHINE_SMP_H_ */ 85