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: releng/9.0/sys/amd64/include/smp.h 222853 2011-06-08 08:12:15Z avg $
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 <machine/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 #ifdef COUNT_IPIS
39 extern u_long *ipi_invltlb_counts[MAXCPU];
40 extern u_long *ipi_invlrng_counts[MAXCPU];
41 extern u_long *ipi_invlpg_counts[MAXCPU];
42 extern u_long *ipi_invlcache_counts[MAXCPU];
43 extern u_long *ipi_rendezvous_counts[MAXCPU];
44 #endif
45
46 /* IPI handlers */
47 inthand_t
48 IDTVEC(invltlb), /* TLB shootdowns - global */
49 IDTVEC(invlpg), /* TLB shootdowns - 1 page */
50 IDTVEC(invlrng), /* TLB shootdowns - page range */
51 IDTVEC(invlcache), /* Write back and invalidate cache */
52 IDTVEC(ipi_intr_bitmap_handler), /* Bitmap based IPIs */
53 IDTVEC(cpustop), /* CPU stops & waits to be restarted */
54 IDTVEC(cpususpend), /* CPU suspends & waits to be resumed */
55 IDTVEC(rendezvous); /* handle CPU rendezvous */
56
57 /* functions in mp_machdep.c */
58 void cpu_add(u_int apic_id, char boot_cpu);
59 void cpustop_handler(void);
60 void cpususpend_handler(void);
61 void init_secondary(void);
62 void ipi_all_but_self(u_int ipi);
63 void ipi_bitmap_handler(struct trapframe frame);
64 void ipi_cpu(int cpu, u_int ipi);
65 int ipi_nmi_handler(void);
66 void ipi_selected(cpuset_t cpus, u_int ipi);
67 u_int mp_bootaddress(u_int);
68 void smp_cache_flush(void);
69 void smp_invlpg(vm_offset_t addr);
70 void smp_masked_invlpg(cpuset_t mask, vm_offset_t addr);
71 void smp_invlpg_range(vm_offset_t startva, vm_offset_t endva);
72 void smp_masked_invlpg_range(cpuset_t mask, vm_offset_t startva,
73 vm_offset_t endva);
74 void smp_invltlb(void);
75 void smp_masked_invltlb(cpuset_t mask);
76
77 #endif /* !LOCORE */
78 #endif /* SMP */
79
80 #endif /* _KERNEL */
81 #endif /* _MACHINE_SMP_H_ */
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