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 extern u_int ipi_masked_global; 57 extern u_int ipi_masked_page; 58 extern u_int ipi_masked_range; 59 extern u_int ipi_masked_range_size; 60 61 struct cpu_info { 62 int cpu_present:1; 63 int cpu_bsp:1; 64 int cpu_disabled:1; 65 int cpu_hyperthread:1; 66 }; 67 extern struct cpu_info cpu_info[]; 68 69 #ifdef COUNT_IPIS 70 extern u_long *ipi_invltlb_counts[MAXCPU]; 71 extern u_long *ipi_invlrng_counts[MAXCPU]; 72 extern u_long *ipi_invlpg_counts[MAXCPU]; 73 extern u_long *ipi_invlcache_counts[MAXCPU]; 74 extern u_long *ipi_rendezvous_counts[MAXCPU]; 75 #endif 76 77 /* IPI handlers */ 78 inthand_t 79 IDTVEC(invltlb), /* TLB shootdowns - global */ 80 IDTVEC(invlpg), /* TLB shootdowns - 1 page */ 81 IDTVEC(invlrng), /* TLB shootdowns - page range */ 82 IDTVEC(invlcache), /* Write back and invalidate cache */ 83 IDTVEC(ipi_intr_bitmap_handler), /* Bitmap based IPIs */ 84 IDTVEC(cpustop), /* CPU stops & waits to be restarted */ 85 IDTVEC(cpususpend), /* CPU suspends & waits to be resumed */ 86 IDTVEC(rendezvous); /* handle CPU rendezvous */ 87 88 /* functions in mp_machdep.c */ 89 void assign_cpu_ids(void); 90 void cpu_add(u_int apic_id, char boot_cpu); 91 void cpustop_handler(void); 92 void cpususpend_handler(void); 93 void init_secondary_tail(void); 94 void invltlb_handler(void); 95 void invlpg_handler(void); 96 void invlrng_handler(void); 97 void invlcache_handler(void); 98 void init_secondary(void); 99 void ipi_startup(int apic_id, int vector); 100 void ipi_all_but_self(u_int ipi); 101 void ipi_bitmap_handler(struct trapframe frame); 102 void ipi_cpu(int cpu, u_int ipi); 103 int ipi_nmi_handler(void); 104 void ipi_selected(cpuset_t cpus, u_int ipi); 105 u_int mp_bootaddress(u_int); 106 void set_interrupt_apic_ids(void); 107 void smp_cache_flush(void); 108 void smp_invlpg(vm_offset_t addr); 109 void smp_masked_invlpg(cpuset_t mask, vm_offset_t addr); 110 void smp_invlpg_range(vm_offset_t startva, vm_offset_t endva); 111 void smp_masked_invlpg_range(cpuset_t mask, vm_offset_t startva, 112 vm_offset_t endva); 113 void smp_invltlb(void); 114 void smp_masked_invltlb(cpuset_t mask); 115 void mem_range_AP_init(void); 116 void topo_probe(void); 117 void ipi_send_cpu(int cpu, u_int ipi); 118 119 #endif /* !LOCORE */ 120 #endif /* SMP */ 121 122 #endif /* _KERNEL */ 123 #endif /* _MACHINE_SMP_H_ */ 124