1 /*        $NetBSD: pic.h,v 1.10 2020/04/25 15:26:18 bouyer 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           struct msipic *pic_msipic; /* if (pic_type == PIC_MSI) || (pic_type == PIC_MSIX) */
26           /* interface for subr_interrupt.c */
27           void (*pic_intr_get_devname)(const char *, char *, size_t);
28           void (*pic_intr_get_assigned)(const char *, kcpuset_t *);
29           uint64_t (*pic_intr_get_count)(const char *, u_int);
30 };
31 
32 /*
33  * PIC types.
34  */
35 #define PIC_I8259   0
36 #define PIC_IOAPIC  1
37 #define PIC_LAPIC   2
38 #define PIC_MSI               3
39 #define PIC_MSIX    4
40 #define PIC_SOFT    5
41 #define PIC_XEN               6
42 
43 extern struct pic i8259_pic;
44 extern struct pic local_pic;
45 extern struct pic softintr_pic;
46 extern struct pic xen_pic;
47 #endif
48