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 <x86/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 extern int bootAP; 40 extern void *dpcpu; 41 extern char *bootSTK; 42 extern void *bootstacks[]; 43 extern volatile u_int cpu_ipi_pending[]; 44 extern volatile int aps_ready; 45 extern struct mtx ap_boot_mtx; 46 extern int cpu_logical; 47 extern int cpu_cores; 48 extern volatile int smp_tlb_wait; 49 extern u_int xhits_gbl[]; 50 extern u_int xhits_pg[]; 51 extern u_int xhits_rng[]; 52 extern u_int ipi_global; 53 extern u_int ipi_page; 54 extern u_int ipi_range; 55 extern u_int ipi_range_size; 56 57 struct cpu_info { 58 int cpu_present:1; 59 int cpu_bsp:1; 60 int cpu_disabled:1; 61 int cpu_hyperthread:1; 62 }; 63 extern struct cpu_info cpu_info[]; 64 65 #ifdef COUNT_IPIS 66 extern u_long *ipi_invltlb_counts[MAXCPU]; 67 extern u_long *ipi_invlrng_counts[MAXCPU]; 68 extern u_long *ipi_invlpg_counts[MAXCPU]; 69 extern u_long *ipi_invlcache_counts[MAXCPU]; 70 extern u_long *ipi_rendezvous_counts[MAXCPU]; 71 #endif 72 73 /* IPI handlers */ 74 inthand_t 75 IDTVEC(invltlb), /* TLB shootdowns - global */ 76 IDTVEC(invlpg), /* TLB shootdowns - 1 page */ 77 IDTVEC(invlrng), /* TLB shootdowns - page range */ 78 IDTVEC(invlcache), /* Write back and invalidate cache */ 79 IDTVEC(ipi_intr_bitmap_handler), /* Bitmap based IPIs */ 80 IDTVEC(cpustop), /* CPU stops & waits to be restarted */ 81 IDTVEC(cpususpend), /* CPU suspends & waits to be resumed */ 82 IDTVEC(rendezvous); /* handle CPU rendezvous */ 83 84 /* functions in mp_machdep.c */ 85 void assign_cpu_ids(void); 86 void cpu_add(u_int apic_id, char boot_cpu); 87 void cpustop_handler(void); 88 void cpususpend_handler(void); 89 void init_secondary_tail(void); 90 void invltlb_handler(void); 91 void invlpg_handler(void); 92 void invlrng_handler(void); 93 void invlcache_handler(void); 94 void init_secondary(void); 95 void ipi_startup(int apic_id, int vector); 96 void ipi_all_but_self(u_int ipi); 97 void ipi_bitmap_handler(struct trapframe frame); 98 void ipi_cpu(int cpu, u_int ipi); 99 int ipi_nmi_handler(void); 100 void ipi_selected(cpuset_t cpus, u_int ipi); 101 u_int mp_bootaddress(u_int); 102 void set_interrupt_apic_ids(void); 103 void smp_cache_flush(void); 104 void smp_masked_invlpg(cpuset_t mask, vm_offset_t addr); 105 void smp_masked_invlpg_range(cpuset_t mask, vm_offset_t startva, 106 vm_offset_t endva); 107 void smp_masked_invltlb(cpuset_t mask, struct pmap *pmap); 108 void mem_range_AP_init(void); 109 void topo_probe(void); 110 void ipi_send_cpu(int cpu, u_int ipi); 111 112 #endif /* !LOCORE */ 113 #endif /* SMP */ 114 115 #endif /* _KERNEL */ 116 #endif /* _MACHINE_SMP_H_ */ 117