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 symbols in mpboot.S */ 29 extern char mptramp_start[]; 30 extern char mptramp_end[]; 31 extern u_int32_t mptramp_pagetables; 32 33 /* global data in mp_machdep.c */ 34 extern int mp_naps; 35 extern int boot_cpu_id; 36 extern struct pcb stoppcbs[]; 37 extern int cpu_apic_ids[]; 38 extern int bootAP; 39 extern void *dpcpu; 40 extern char *bootSTK; 41 extern int bootAP; 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 int pmap_pcid_enabled; 49 extern int invpcid_works; 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 58 extern volatile int smp_tlb_wait; 59 60 struct cpu_info { 61 int cpu_present:1; 62 int cpu_bsp:1; 63 int cpu_disabled:1; 64 int cpu_hyperthread:1; 65 }; 66 extern struct cpu_info cpu_info[]; 67 68 #ifdef COUNT_IPIS 69 extern u_long *ipi_invltlb_counts[MAXCPU]; 70 extern u_long *ipi_invlrng_counts[MAXCPU]; 71 extern u_long *ipi_invlpg_counts[MAXCPU]; 72 extern u_long *ipi_invlcache_counts[MAXCPU]; 73 extern u_long *ipi_rendezvous_counts[MAXCPU]; 74 #endif 75 76 /* IPI handlers */ 77 inthand_t 78 IDTVEC(invltlb), /* TLB shootdowns - global */ 79 IDTVEC(invltlb_pcid), /* TLB shootdowns - global, pcid */ 80 IDTVEC(invltlb_invpcid),/* TLB shootdowns - global, invpcid */ 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(justreturn), /* interrupt CPU with minimum overhead */ 88 IDTVEC(rendezvous); /* handle CPU rendezvous */ 89 90 struct pmap; 91 92 /* functions in mp_machdep.c */ 93 void assign_cpu_ids(void); 94 void cpu_add(u_int apic_id, char boot_cpu); 95 void cpustop_handler(void); 96 void cpususpend_handler(void); 97 void init_secondary_tail(void); 98 void invltlb_handler(void); 99 void invltlb_pcid_handler(void); 100 void invltlb_invpcid_handler(void); 101 void invlpg_handler(void); 102 void invlrng_handler(void); 103 void invlcache_handler(void); 104 void init_secondary(void); 105 void ipi_startup(int apic_id, int vector); 106 void ipi_all_but_self(u_int ipi); 107 void ipi_bitmap_handler(struct trapframe frame); 108 void ipi_cpu(int cpu, u_int ipi); 109 int ipi_nmi_handler(void); 110 void ipi_selected(cpuset_t cpus, u_int ipi); 111 u_int mp_bootaddress(u_int); 112 void set_interrupt_apic_ids(void); 113 void smp_cache_flush(void); 114 void smp_masked_invlpg(cpuset_t mask, vm_offset_t addr); 115 void smp_masked_invlpg_range(cpuset_t mask, vm_offset_t startva, 116 vm_offset_t endva); 117 void smp_masked_invltlb(cpuset_t mask, struct pmap *pmap); 118 int native_start_all_aps(void); 119 void mem_range_AP_init(void); 120 void topo_probe(void); 121 void ipi_send_cpu(int cpu, u_int ipi); 122 123 #endif /* !LOCORE */ 124 #endif /* SMP */ 125 126 #endif /* _KERNEL */ 127 #endif /* _MACHINE_SMP_H_ */ 128