FreeBSD/Linux Kernel Cross Reference
sys/i386/include/smp.h
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/10.0/sys/i386/include/smp.h 255331 2013-09-06 22:17:02Z gibbs $
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 data in mpboot.s */
29 extern int bootMP_size;
30
31 /* functions in mpboot.s */
32 void bootMP(void);
33
34 /* global data in mp_machdep.c */
35 extern int mp_naps;
36 extern int boot_cpu_id;
37 extern struct pcb stoppcbs[];
38 extern int cpu_apic_ids[];
39 #ifdef COUNT_IPIS
40 extern u_long *ipi_invltlb_counts[MAXCPU];
41 extern u_long *ipi_invlrng_counts[MAXCPU];
42 extern u_long *ipi_invlpg_counts[MAXCPU];
43 extern u_long *ipi_invlcache_counts[MAXCPU];
44 extern u_long *ipi_rendezvous_counts[MAXCPU];
45 extern u_long *ipi_lazypmap_counts[MAXCPU];
46 #endif
47
48 /* IPI handlers */
49 inthand_t
50 IDTVEC(invltlb), /* TLB shootdowns - global */
51 IDTVEC(invlpg), /* TLB shootdowns - 1 page */
52 IDTVEC(invlrng), /* TLB shootdowns - page range */
53 IDTVEC(invlcache), /* Write back and invalidate cache */
54 IDTVEC(ipi_intr_bitmap_handler), /* Bitmap based IPIs */
55 IDTVEC(cpustop), /* CPU stops & waits to be restarted */
56 IDTVEC(cpususpend), /* CPU suspends & waits to be resumed */
57 IDTVEC(rendezvous), /* handle CPU rendezvous */
58 IDTVEC(lazypmap); /* handle lazy pmap release */
59
60 /* functions in mp_machdep.c */
61 void cpu_add(u_int apic_id, char boot_cpu);
62 void cpustop_handler(void);
63 #ifndef XEN
64 void cpususpend_handler(void);
65 #endif
66 void init_secondary(void);
67 void ipi_startup(int apic_id, int vector);
68 void ipi_all_but_self(u_int ipi);
69 #ifndef XEN
70 void ipi_bitmap_handler(struct trapframe frame);
71 #endif
72 void ipi_cpu(int cpu, u_int ipi);
73 int ipi_nmi_handler(void);
74 void ipi_selected(cpuset_t cpus, u_int ipi);
75 u_int mp_bootaddress(u_int);
76 void smp_cache_flush(void);
77 void smp_invlpg(vm_offset_t addr);
78 void smp_masked_invlpg(cpuset_t mask, vm_offset_t addr);
79 void smp_invlpg_range(vm_offset_t startva, vm_offset_t endva);
80 void smp_masked_invlpg_range(cpuset_t mask, vm_offset_t startva,
81 vm_offset_t endva);
82 void smp_invltlb(void);
83 void smp_masked_invltlb(cpuset_t mask);
84
85 #ifdef XEN
86 void ipi_to_irq_init(void);
87 #endif
88 #endif /* !LOCORE */
89 #endif /* SMP */
90
91 #endif /* _KERNEL */
92 #endif /* _MACHINE_SMP_H_ */
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