xref: /freebsd/sys/amd64/include/smp.h (revision 7bd6fde3)
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 
27 /* global symbols in mpboot.S */
28 extern char			mptramp_start[];
29 extern char			mptramp_end[];
30 extern u_int32_t		mptramp_pagetables;
31 
32 /* global data in mp_machdep.c */
33 extern int			mp_naps;
34 extern int			boot_cpu_id;
35 extern struct pcb		stoppcbs[];
36 extern struct mtx		smp_tlb_mtx;
37 
38 /* IPI handlers */
39 inthand_t
40 	IDTVEC(invltlb),	/* TLB shootdowns - global */
41 	IDTVEC(invlpg),		/* TLB shootdowns - 1 page */
42 	IDTVEC(invlrng),	/* TLB shootdowns - page range */
43 	IDTVEC(invlcache),	/* Write back and invalidate cache */
44 	IDTVEC(ipi_intr_bitmap_handler), /* Bitmap based IPIs */
45 	IDTVEC(cpustop),	/* CPU stops & waits to be restarted */
46 	IDTVEC(rendezvous);	/* handle CPU rendezvous */
47 
48 /* functions in mp_machdep.c */
49 void	cpu_add(u_int apic_id, char boot_cpu);
50 void	cpustop_handler(void);
51 void	init_secondary(void);
52 void	ipi_selected(u_int cpus, u_int ipi);
53 void	ipi_all(u_int ipi);
54 void	ipi_all_but_self(u_int ipi);
55 void	ipi_self(u_int ipi);
56 void 	ipi_bitmap_handler(struct trapframe frame);
57 u_int	mp_bootaddress(u_int);
58 int	mp_grab_cpu_hlt(void);
59 void	mp_topology(void);
60 void	smp_cache_flush(void);
61 void	smp_invlpg(vm_offset_t addr);
62 void	smp_masked_invlpg(u_int mask, vm_offset_t addr);
63 void	smp_invlpg_range(vm_offset_t startva, vm_offset_t endva);
64 void	smp_masked_invlpg_range(u_int mask, vm_offset_t startva,
65 	    vm_offset_t endva);
66 void	smp_invltlb(void);
67 void	smp_masked_invltlb(u_int mask);
68 
69 #ifdef STOP_NMI
70 int	ipi_nmi_handler(void);
71 #endif
72 
73 #endif /* !LOCORE */
74 #endif /* SMP */
75 
76 #endif /* _KERNEL */
77 #endif /* _MACHINE_SMP_H_ */
78