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 * ----------------------------------------------------------------------------
13 #ifndef _X86_X86_SMP_H_
14 #define _X86_X86_SMP_H_
17 #include <machine/frame.h>
18 #include <machine/intr_machdep.h>
19 #include <x86/apicvar.h>
20 #include <machine/pcb.h>
24 /* global data in mp_x86.c */
26 extern int boot_cpu_id;
27 extern struct pcb stoppcbs[];
28 extern int cpu_apic_ids[];
32 extern void *bootstacks[];
33 extern volatile u_int cpu_ipi_pending[];
34 extern volatile int aps_ready;
35 extern struct mtx ap_boot_mtx;
36 extern int cpu_logical;
38 extern volatile uint32_t smp_tlb_generation;
39 extern struct pmap *smp_tlb_pmap;
40 extern u_int xhits_gbl[];
41 extern u_int xhits_pg[];
42 extern u_int xhits_rng[];
43 extern u_int ipi_global;
44 extern u_int ipi_page;
45 extern u_int ipi_range;
46 extern u_int ipi_range_size;
48 extern int nmi_kdb_lock;
49 extern int nmi_is_broadcast;
55 int cpu_hyperthread:1;
57 extern struct cpu_info cpu_info[];
60 extern u_long *ipi_invltlb_counts[MAXCPU];
61 extern u_long *ipi_invlrng_counts[MAXCPU];
62 extern u_long *ipi_invlpg_counts[MAXCPU];
63 extern u_long *ipi_invlcache_counts[MAXCPU];
64 extern u_long *ipi_rendezvous_counts[MAXCPU];
69 IDTVEC(invltlb), /* TLB shootdowns - global */
70 IDTVEC(invlpg), /* TLB shootdowns - 1 page */
71 IDTVEC(invlrng), /* TLB shootdowns - page range */
72 IDTVEC(invlcache), /* Write back and invalidate cache */
73 IDTVEC(ipi_intr_bitmap_handler), /* Bitmap based IPIs */
74 IDTVEC(cpustop), /* CPU stops & waits to be restarted */
75 IDTVEC(cpususpend), /* CPU suspends & waits to be resumed */
76 IDTVEC(rendezvous); /* handle CPU rendezvous */
78 /* functions in x86_mp.c */
79 void assign_cpu_ids(void);
80 void cpu_add(u_int apic_id, char boot_cpu);
81 void cpustop_handler(void);
82 void cpususpend_handler(void);
83 void init_secondary_tail(void);
84 void invltlb_handler(void);
85 void invlpg_handler(void);
86 void invlrng_handler(void);
87 void invlcache_handler(void);
88 void init_secondary(void);
89 void ipi_startup(int apic_id, int vector);
90 void ipi_all_but_self(u_int ipi);
91 void ipi_bitmap_handler(struct trapframe frame);
92 void ipi_cpu(int cpu, u_int ipi);
93 int ipi_nmi_handler(void);
94 void ipi_selected(cpuset_t cpus, u_int ipi);
95 u_int mp_bootaddress(u_int);
96 void set_interrupt_apic_ids(void);
97 void smp_cache_flush(void);
98 void smp_masked_invlpg(cpuset_t mask, vm_offset_t addr);
99 void smp_masked_invlpg_range(cpuset_t mask, vm_offset_t startva,
101 void smp_masked_invltlb(cpuset_t mask, struct pmap *pmap);
102 void mem_range_AP_init(void);
103 void topo_probe(void);
104 void ipi_send_cpu(int cpu, u_int ipi);