xref: /netbsd/sys/arch/x86/include/pic.h (revision 6550d01e)
1 /*	$NetBSD: pic.h,v 1.7 2009/04/19 14:11:37 ad Exp $	*/
2 
3 #ifndef _X86_PIC_H
4 #define _X86_PIC_H
5 
6 struct cpu_info;
7 
8 /*
9  * Structure common to all PIC softcs
10  */
11 struct pic {
12 	const char *pic_name;
13 	int pic_type;
14 	int pic_vecbase;
15 	int pic_apicid;
16 	__cpu_simple_lock_t pic_lock;
17 	void (*pic_hwmask)(struct pic *, int);
18 	void (*pic_hwunmask)(struct pic *, int);
19 	void (*pic_addroute)(struct pic *, struct cpu_info *, int, int, int);
20 	void (*pic_delroute)(struct pic *, struct cpu_info *, int, int, int);
21 	bool (*pic_trymask)(struct pic *, int);
22 	struct intrstub *pic_level_stubs;
23 	struct intrstub *pic_edge_stubs;
24 	struct ioapic_softc *pic_ioapic; /* if pic_type == PIC_IOAPIC */
25 };
26 
27 /*
28  * PIC types.
29  */
30 #define PIC_I8259	0
31 #define PIC_IOAPIC	1
32 #define PIC_LAPIC	2
33 #define PIC_SOFT	3
34 
35 extern struct pic i8259_pic;
36 extern struct pic local_pic;
37 extern struct pic softintr_pic;
38 #endif
39