2 * SPDX-License-Identifier: Beerware
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 * ----------------------------------------------------------------------------
15 #ifndef _X86_X86_SMP_H_
16 #define _X86_X86_SMP_H_
19 #include <machine/frame.h>
20 #include <machine/intr_machdep.h>
21 #include <x86/apicvar.h>
22 #include <machine/pcb.h>
26 /* global data in mp_x86.c */
28 extern int boot_cpu_id;
29 extern struct pcb stoppcbs[];
30 extern int cpu_apic_ids[];
34 extern void *bootstacks[];
35 extern unsigned int boot_address;
36 extern unsigned int bootMP_size;
37 extern volatile u_int cpu_ipi_pending[];
38 extern volatile int aps_ready;
39 extern struct mtx ap_boot_mtx;
40 extern int cpu_logical;
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;
53 extern int nmi_kdb_lock;
54 extern int nmi_is_broadcast;
60 int cpu_hyperthread:1;
62 extern struct cpu_info *cpu_info;
65 extern u_long *ipi_invltlb_counts[MAXCPU];
66 extern u_long *ipi_invlrng_counts[MAXCPU];
67 extern u_long *ipi_invlpg_counts[MAXCPU];
68 extern u_long *ipi_invlcache_counts[MAXCPU];
69 extern u_long *ipi_rendezvous_counts[MAXCPU];
74 IDTVEC(invltlb), /* TLB shootdowns - global */
75 IDTVEC(invlpg), /* TLB shootdowns - 1 page */
76 IDTVEC(invlrng), /* TLB shootdowns - page range */
77 IDTVEC(invlcache), /* Write back and invalidate cache */
78 IDTVEC(ipi_intr_bitmap_handler), /* Bitmap based IPIs */
79 IDTVEC(ipi_swi), /* Runs delayed SWI */
80 IDTVEC(cpustop), /* CPU stops & waits to be restarted */
81 IDTVEC(cpususpend), /* CPU suspends & waits to be resumed */
82 IDTVEC(rendezvous); /* handle CPU rendezvous */
84 typedef void (*smp_invl_cb_t)(struct pmap *, vm_offset_t addr1,
87 /* functions in x86_mp.c */
88 void assign_cpu_ids(void);
89 void cpu_add(u_int apic_id, char boot_cpu);
90 void cpustop_handler(void);
91 void cpususpend_handler(void);
92 void alloc_ap_trampoline(vm_paddr_t *physmap, unsigned int *physmap_idx);
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_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 smp_cache_flush(smp_invl_cb_t curcpu_cb);
109 void smp_masked_invlpg(cpuset_t mask, vm_offset_t addr, struct pmap *pmap,
110 smp_invl_cb_t curcpu_cb);
111 void smp_masked_invlpg_range(cpuset_t mask, vm_offset_t startva,
112 vm_offset_t endva, struct pmap *pmap, smp_invl_cb_t curcpu_cb);
113 void smp_masked_invltlb(cpuset_t mask, struct pmap *pmap,
114 smp_invl_cb_t curcpu_cb);
115 void mem_range_AP_init(void);
116 void topo_probe(void);
117 void ipi_send_cpu(int cpu, u_int ipi);