xref: /freebsd-13-stable/sys/mips/include/smp.h (revision 4b40a16f0d188422227478889b38cc341d50f88f)
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  *	from: src/sys/alpha/include/smp.h,v 1.8 2005/01/05 20:05:50 imp
10  *	JNPR: smp.h,v 1.3 2006/12/02 09:53:41 katta
11  *
12  */
13 
14 #ifndef _MACHINE_SMP_H_
15 #define	_MACHINE_SMP_H_
16 
17 #ifdef _KERNEL
18 
19 #include <sys/_cpuset.h>
20 
21 #include <machine/pcb.h>
22 
23 #ifdef INTRNG
24 # define MIPS_IPI_COUNT 	1
25 # define INTR_IPI_COUNT 	MIPS_IPI_COUNT
26 #endif
27 
28 /*
29  * Interprocessor interrupts for SMP.
30  */
31 #define	IPI_RENDEZVOUS		0x0002
32 #define	IPI_AST			0x0004
33 #define	IPI_STOP		0x0008
34 #define	IPI_STOP_HARD		0x0008
35 #define	IPI_PREEMPT		0x0010
36 #define	IPI_HARDCLOCK		0x0020
37 
38 #ifndef LOCORE
39 
40 void	ipi_all_but_self(int ipi);
41 void	ipi_cpu(int cpu, u_int ipi);
42 void	ipi_selected(cpuset_t cpus, int ipi);
43 void	smp_init_secondary(u_int32_t cpuid);
44 void	mpentry(void);
45 
46 extern struct pcb stoppcbs[];
47 
48 #endif /* !LOCORE */
49 #endif /* _KERNEL */
50 
51 #endif /* _MACHINE_SMP_H_ */
52