2015-10-15 10:25:28 +02:00

42 lines
1010 B
C

/* $NetBSD: pic.h,v 1.8 2015/04/27 07:03:58 knakahara Exp $ */
#ifndef _X86_PIC_H
#define _X86_PIC_H
struct cpu_info;
/*
* Structure common to all PIC softcs
*/
struct pic {
const char *pic_name;
int pic_type;
int pic_vecbase;
int pic_apicid;
__cpu_simple_lock_t pic_lock;
void (*pic_hwmask)(struct pic *, int);
void (*pic_hwunmask)(struct pic *, int);
void (*pic_addroute)(struct pic *, struct cpu_info *, int, int, int);
void (*pic_delroute)(struct pic *, struct cpu_info *, int, int, int);
bool (*pic_trymask)(struct pic *, int);
struct intrstub *pic_level_stubs;
struct intrstub *pic_edge_stubs;
struct ioapic_softc *pic_ioapic; /* if pic_type == PIC_IOAPIC */
struct msipic *pic_msipic; /* if (pic_type == PIC_MSI) || (pic_type == PIC_MSIX) */
};
/*
* PIC types.
*/
#define PIC_I8259 0
#define PIC_IOAPIC 1
#define PIC_LAPIC 2
#define PIC_MSI 3
#define PIC_MSIX 4
#define PIC_SOFT 5
extern struct pic i8259_pic;
extern struct pic local_pic;
extern struct pic softintr_pic;
#endif