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 int bootAP; 43 extern void *bootstacks[]; 44 extern volatile u_int cpu_ipi_pending[]; 45 extern volatile int aps_ready; 46 extern struct mtx ap_boot_mtx; 47 extern int cpu_logical; 48 extern int cpu_cores; 49 extern volatile int smp_tlb_wait; 50 extern u_int xhits_gbl[]; 51 extern u_int xhits_pg[]; 52 extern u_int xhits_rng[]; 53 extern u_int ipi_global; 54 extern u_int ipi_page; 55 extern u_int ipi_range; 56 extern u_int ipi_range_size; 57 extern u_int ipi_masked_global; 58 extern u_int ipi_masked_page; 59 extern u_int ipi_masked_range; 60 extern u_int ipi_masked_range_size; 61 62 struct cpu_info { 63 int cpu_present:1; 64 int cpu_bsp:1; 65 int cpu_disabled:1; 66 int cpu_hyperthread:1; 67 }; 68 extern struct cpu_info cpu_info[]; 69 70 #ifdef COUNT_IPIS 71 extern u_long *ipi_invltlb_counts[MAXCPU]; 72 extern u_long *ipi_invlrng_counts[MAXCPU]; 73 extern u_long *ipi_invlpg_counts[MAXCPU]; 74 extern u_long *ipi_invlcache_counts[MAXCPU]; 75 extern u_long *ipi_rendezvous_counts[MAXCPU]; 76 #endif 77 78 /* IPI handlers */ 79 inthand_t 80 IDTVEC(invltlb), /* TLB shootdowns - global */ 81 IDTVEC(invlpg), /* TLB shootdowns - 1 page */ 82 IDTVEC(invlrng), /* TLB shootdowns - page range */ 83 IDTVEC(invlcache), /* Write back and invalidate cache */ 84 IDTVEC(ipi_intr_bitmap_handler), /* Bitmap based IPIs */ 85 IDTVEC(cpustop), /* CPU stops & waits to be restarted */ 86 IDTVEC(cpususpend), /* CPU suspends & waits to be resumed */ 87 IDTVEC(rendezvous); /* handle CPU rendezvous */ 88 89 /* functions in mp_machdep.c */ 90 void assign_cpu_ids(void); 91 void cpu_add(u_int apic_id, char boot_cpu); 92 void cpustop_handler(void); 93 #ifndef XEN 94 void cpususpend_handler(void); 95 #endif 96 void init_secondary_tail(void); 97 void invltlb_handler(void); 98 void invlpg_handler(void); 99 void invlrng_handler(void); 100 void invlcache_handler(void); 101 void init_secondary(void); 102 void ipi_startup(int apic_id, int vector); 103 void ipi_all_but_self(u_int ipi); 104 #ifndef XEN 105 void ipi_bitmap_handler(struct trapframe frame); 106 #endif 107 void ipi_cpu(int cpu, u_int ipi); 108 int ipi_nmi_handler(void); 109 void ipi_selected(cpuset_t cpus, u_int ipi); 110 u_int mp_bootaddress(u_int); 111 void set_interrupt_apic_ids(void); 112 void smp_cache_flush(void); 113 void smp_invlpg(vm_offset_t addr); 114 void smp_masked_invlpg(cpuset_t mask, vm_offset_t addr); 115 void smp_invlpg_range(vm_offset_t startva, vm_offset_t endva); 116 void smp_masked_invlpg_range(cpuset_t mask, vm_offset_t startva, 117 vm_offset_t endva); 118 void smp_invltlb(void); 119 void smp_masked_invltlb(cpuset_t mask); 120 void mem_range_AP_init(void); 121 void topo_probe(void); 122 void ipi_send_cpu(int cpu, u_int ipi); 123 124 #ifdef XEN 125 void ipi_to_irq_init(void); 126 #endif 127 #endif /* !LOCORE */ 128 #endif /* SMP */ 129 130 #endif /* _KERNEL */ 131 #endif /* _MACHINE_SMP_H_ */ 132