2 * Copyright (c) 1996, by Steve Passe
3 * Copyright (c) 2008 The DragonFly Project.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. The name of the developer may NOT be used to endorse or promote products
12 * derived from this software without specific prior written permission.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * $FreeBSD: src/sys/i386/include/mpapic.h,v 1.14.2.2 2000/09/30 02:49:34 ps Exp $
27 * $DragonFly: src/sys/platform/pc64/apic/mpapic.h,v 1.1 2008/08/29 17:07:12 dillon Exp $
30 #ifndef _MACHINE_MPAPIC_H_
31 #define _MACHINE_MPAPIC_H_
35 #include <machine_base/icu/icu.h>
38 * Size of APIC ID list.
39 * Also used a MAX size of various other arrays.
43 /* these don't really belong in here... */
53 UNKNOWN_BUSTYPE = 0xff
58 * the physical/logical APIC ID management macros
60 #define CPU_TO_ID(CPU) (cpu_num_to_apic_id[CPU])
61 #define ID_TO_CPU(ID) (apic_id_to_logical[ID])
66 * send an IPI INTerrupt containing 'vector' to all CPUs EXCEPT myself
69 all_but_self_ipi(int vector)
71 if (smp_active_mask == 1)
73 return apic_ipi(APIC_DEST_ALLESELF, vector, APIC_DELMODE_FIXED);
78 void lapic_map(vm_offset_t /* XXX should be vm_paddr_t */);
79 int lapic_unused_apic_id(int);
81 #endif /* _MACHINE_MPAPIC_H */