xref: /freebsd/sys/amd64/include/smp.h (revision bb15ca603fa442c72dde3f3cb8b46db6970e3950)
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  * $FreeBSD$
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_ */
82