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 * $FreeBSD$ 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 #include <sys/bus.h> 23 #include <machine/frame.h> 24 #include <machine/intr_machdep.h> 25 #include <machine/apicvar.h> 26 #include <machine/pcb.h> 27 28 /* global data in mpboot.s */ 29 extern int bootMP_size; 30 31 /* functions in mpboot.s */ 32 void bootMP(void); 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 #ifdef COUNT_IPIS 41 extern u_long *ipi_invltlb_counts[MAXCPU]; 42 extern u_long *ipi_invlrng_counts[MAXCPU]; 43 extern u_long *ipi_invlpg_counts[MAXCPU]; 44 extern u_long *ipi_invlcache_counts[MAXCPU]; 45 extern u_long *ipi_rendezvous_counts[MAXCPU]; 46 extern u_long *ipi_lazypmap_counts[MAXCPU]; 47 #endif 48 49 /* IPI handlers */ 50 inthand_t 51 IDTVEC(invltlb), /* TLB shootdowns - global */ 52 IDTVEC(invlpg), /* TLB shootdowns - 1 page */ 53 IDTVEC(invlrng), /* TLB shootdowns - page range */ 54 IDTVEC(invlcache), /* Write back and invalidate cache */ 55 IDTVEC(ipi_intr_bitmap_handler), /* Bitmap based IPIs */ 56 IDTVEC(cpustop), /* CPU stops & waits to be restarted */ 57 IDTVEC(rendezvous), /* handle CPU rendezvous */ 58 IDTVEC(lazypmap); /* handle lazy pmap release */ 59 60 /* functions in mp_machdep.c */ 61 void cpu_add(u_int apic_id, char boot_cpu); 62 void cpustop_handler(void); 63 void init_secondary(void); 64 void ipi_selected(u_int cpus, u_int ipi); 65 void ipi_all(u_int ipi); 66 void ipi_all_but_self(u_int ipi); 67 void ipi_self(u_int ipi); 68 void ipi_bitmap_handler(struct trapframe frame); 69 u_int mp_bootaddress(u_int); 70 int mp_grab_cpu_hlt(void); 71 void mp_topology(void); 72 void smp_cache_flush(void); 73 void smp_invlpg(vm_offset_t addr); 74 void smp_masked_invlpg(u_int mask, vm_offset_t addr); 75 void smp_invlpg_range(vm_offset_t startva, vm_offset_t endva); 76 void smp_masked_invlpg_range(u_int mask, vm_offset_t startva, 77 vm_offset_t endva); 78 void smp_invltlb(void); 79 void smp_masked_invltlb(u_int mask); 80 81 #ifdef STOP_NMI 82 int ipi_nmi_handler(void); 83 #endif 84 85 #endif /* !LOCORE */ 86 #endif /* SMP */ 87 88 #endif /* _KERNEL */ 89 #endif /* _MACHINE_SMP_H_ */ 90