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pic.h revision 1.10 
      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