sys/arch/x86/include/pic.h

   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