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      1 /* 	$NetBSD: apicvar.h,v 1.11 2025/05/02 07:08:10 imil Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 2000 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by RedBack Networks Inc.
      9  *
     10  * Author: Bill Sommerfeld
     11  *
     12  * Redistribution and use in source and binary forms, with or without
     13  * modification, are permitted provided that the following conditions
     14  * are met:
     15  * 1. Redistributions of source code must retain the above copyright
     16  *    notice, this list of conditions and the following disclaimer.
     17  * 2. Redistributions in binary form must reproduce the above copyright
     18  *    notice, this list of conditions and the following disclaimer in the
     19  *    documentation and/or other materials provided with the distribution.
     20  *
     21  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     22  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     23  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     24  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     25  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     26  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     27  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     28  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     29  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     30  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     31  * POSSIBILITY OF SUCH DAMAGE.
     32  */
     33 
     34 #ifndef _X86_APICVAR_H_
     35 #define _X86_APICVAR_H_
     36 
     37 struct apic_attach_args {
     38 	int apic_id;
     39 	int apic_version;
     40 	int flags;
     41 #define IOAPIC_PICMODE		0x01
     42 #define IOAPIC_VWIRE		0x02
     43 	paddr_t apic_address;
     44 	int apic_vecbase;
     45 };
     46 
     47 /*
     48  * Dump function for both LAPIC and I/O APIC.
     49  * The 3rd argument is APIC_VECTYPE_*.
     50  */
     51 #define APIC_VECTYPE_LAPIC_LVT	1
     52 #define APIC_VECTYPE_LAPIC_ICR	2
     53 #define APIC_VECTYPE_IOAPIC	3
     54 void apic_format_redir(const char *, const char *, int, int, uint32_t,
     55     uint32_t);
     56 
     57 /* For lapic.c */
     58 extern uint32_t lapic_per_second;
     59 extern bool lapic_from_cpuid;
     60 
     61 #endif /* !_X86_APICVAR_H_ */
     62