1 /*- 2 * SPDX-License-Identifier: Beerware 3 * 4 * ---------------------------------------------------------------------------- 5 * "THE BEER-WARE LICENSE" (Revision 42): 6 * <phk@FreeBSD.org> wrote this file. As long as you retain this notice you 7 * can do whatever you want with this stuff. If we meet some day, and you think 8 * this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp 9 * ---------------------------------------------------------------------------- 10 * 11 */ 12 13 #ifndef _X86_X86_SMP_H_ 14 #define _X86_X86_SMP_H_ 15 16 #include <sys/bus.h> 17 #include <machine/frame.h> 18 #include <machine/intr_machdep.h> 19 #include <x86/apicvar.h> 20 #include <machine/pcb.h> 21 22 struct pmap; 23 24 #ifdef __i386__ 25 extern unsigned int boot_address; 26 #endif 27 28 /* global data in mp_x86.c */ 29 extern int mp_naps; 30 extern int boot_cpu_id; 31 extern struct pcb stoppcbs[]; 32 extern int cpu_apic_ids[]; 33 extern int bootAP; 34 extern void *dpcpu; 35 extern char *bootSTK; 36 extern void *bootstacks[]; 37 extern unsigned int bootMP_size; 38 extern volatile int aps_ready; 39 extern struct mtx ap_boot_mtx; 40 extern int cpu_logical; 41 extern int cpu_cores; 42 extern volatile uint32_t smp_tlb_generation; 43 extern struct pmap *smp_tlb_pmap; 44 extern vm_offset_t smp_tlb_addr1, smp_tlb_addr2; 45 extern u_int xhits_gbl[]; 46 extern u_int xhits_pg[]; 47 extern u_int xhits_rng[]; 48 extern u_int ipi_global; 49 extern u_int ipi_page; 50 extern u_int ipi_range; 51 extern u_int ipi_range_size; 52 53 extern int nmi_kdb_lock; 54 extern int nmi_is_broadcast; 55 56 struct cpu_info { 57 bool cpu_present:1; 58 bool cpu_bsp:1; 59 bool cpu_disabled:1; 60 bool cpu_hyperthread:1; 61 }; 62 extern struct cpu_info *cpu_info; 63 64 /* 65 * Set if MWAIT does not reliably wake when the MONITORed address is written. 66 */ 67 extern bool mwait_cpustop_broken; 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(ipi_intr_bitmap_handler), /* Bitmap based IPIs */ 80 IDTVEC(ipi_swi), /* Runs delayed SWI */ 81 IDTVEC(cpustop), /* CPU stops & waits to be restarted */ 82 IDTVEC(cpususpend), /* CPU suspends & waits to be resumed */ 83 IDTVEC(rendezvous); /* handle CPU rendezvous */ 84 85 typedef void (*smp_invl_cb_t)(struct pmap *, vm_offset_t addr1, 86 vm_offset_t addr2); 87 88 #ifdef __i386__ 89 void alloc_ap_trampoline(vm_paddr_t *physmap, unsigned int *physmap_idx); 90 #endif 91 92 /* functions in x86_mp.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 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_swi_handler(struct trapframe frame); 105 void ipi_selected(cpuset_t cpus, u_int ipi); 106 void ipi_self_from_nmi(u_int vector); 107 void set_interrupt_apic_ids(void); 108 void mem_range_AP_init(void); 109 void topo_probe(void); 110 111 /* functions in mp_machdep.c */ 112 void smp_cache_flush(smp_invl_cb_t curcpu_cb); 113 #ifdef __i386__ 114 void smp_masked_invlpg(cpuset_t mask, vm_offset_t addr, struct pmap *pmap, 115 smp_invl_cb_t curcpu_cb); 116 void smp_masked_invlpg_range(cpuset_t mask, vm_offset_t startva, 117 vm_offset_t endva, struct pmap *pmap, smp_invl_cb_t curcpu_cb); 118 void smp_masked_invltlb(cpuset_t mask, struct pmap *pmap, 119 smp_invl_cb_t curcpu_cb); 120 #else 121 void smp_masked_invlpg(vm_offset_t addr, struct pmap *pmap, 122 smp_invl_cb_t curcpu_cb); 123 void smp_masked_invlpg_range(vm_offset_t startva, vm_offset_t endva, 124 struct pmap *pmap, smp_invl_cb_t curcpu_cb); 125 void smp_masked_invltlb(struct pmap *pmap, smp_invl_cb_t curcpu_cb); 126 #endif 127 #endif 128