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 int cpu_apic_ids[]; 39 #ifdef COUNT_IPIS 40 extern u_long *ipi_invltlb_counts[MAXCPU]; 41 extern u_long *ipi_invlrng_counts[MAXCPU]; 42 extern u_long *ipi_invlpg_counts[MAXCPU]; 43 extern u_long *ipi_invlcache_counts[MAXCPU]; 44 extern u_long *ipi_rendezvous_counts[MAXCPU]; 45 extern u_long *ipi_lazypmap_counts[MAXCPU]; 46 #endif 47 48 /* IPI handlers */ 49 inthand_t 50 IDTVEC(invltlb), /* TLB shootdowns - global */ 51 IDTVEC(invlpg), /* TLB shootdowns - 1 page */ 52 IDTVEC(invlrng), /* TLB shootdowns - page range */ 53 IDTVEC(invlcache), /* Write back and invalidate cache */ 54 IDTVEC(ipi_intr_bitmap_handler), /* Bitmap based IPIs */ 55 IDTVEC(cpustop), /* CPU stops & waits to be restarted */ 56 IDTVEC(rendezvous), /* handle CPU rendezvous */ 57 IDTVEC(lazypmap); /* handle lazy pmap release */ 58 59 /* functions in mp_machdep.c */ 60 void cpu_add(u_int apic_id, char boot_cpu); 61 void cpustop_handler(void); 62 void init_secondary(void); 63 int ipi_nmi_handler(void); 64 void ipi_selected(cpumask_t cpus, u_int ipi); 65 void ipi_all_but_self(u_int ipi); 66 #ifndef XEN 67 void ipi_bitmap_handler(struct trapframe frame); 68 #endif 69 u_int mp_bootaddress(u_int); 70 int mp_grab_cpu_hlt(void); 71 void smp_cache_flush(void); 72 void smp_invlpg(vm_offset_t addr); 73 void smp_masked_invlpg(cpumask_t mask, vm_offset_t addr); 74 void smp_invlpg_range(vm_offset_t startva, vm_offset_t endva); 75 void smp_masked_invlpg_range(cpumask_t mask, vm_offset_t startva, 76 vm_offset_t endva); 77 void smp_invltlb(void); 78 void smp_masked_invltlb(cpumask_t mask); 79 80 #ifdef XEN 81 void ipi_to_irq_init(void); 82 83 #define RESCHEDULE_VECTOR 0 84 #define CALL_FUNCTION_VECTOR 1 85 #define NR_IPIS 2 86 87 #endif 88 #endif /* !LOCORE */ 89 #endif /* SMP */ 90 91 #endif /* _KERNEL */ 92 #endif /* _MACHINE_SMP_H_ */ 93