x86_64: Move lapic function declarations from smp.h to apic/lapic.h
[dragonfly.git] / sys / platform / pc64 / apic / lapic.h
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1/*
2 * Copyright (c) 1996, by Steve Passe
3 * Copyright (c) 2008 The DragonFly Project.
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
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.
13 *
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
24 * SUCH DAMAGE.
25 *
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 $
28 */
29
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30#ifndef _ARCH_APIC_LAPIC_H_
31#define _ARCH_APIC_LAPIC_H_
c8fe38ae 32
83c8d73e 33#include <machine_base/apic/apicreg.h>
c8fe38ae 34
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35/*
36 * the physical/logical APIC ID management macros
37 */
38#define CPU_TO_ID(CPU) (cpu_num_to_apic_id[CPU])
39#define ID_TO_CPU(ID) (apic_id_to_logical[ID])
c8fe38ae 40
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41#ifndef _SYS_QUEUE_H_
42#include <sys/queue.h>
43#endif
44
45struct lapic_enumerator {
46 int lapic_prio;
47 TAILQ_ENTRY(lapic_enumerator) lapic_link;
48 int (*lapic_probe)(struct lapic_enumerator *);
49 void (*lapic_enumerate)(struct lapic_enumerator *);
50};
51
52#define LAPIC_ENUM_PRIO_MPTABLE 20
53#define LAPIC_ENUM_PRIO_MADT 40
54
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55#ifdef SMP
56
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57extern volatile lapic_t *lapic;
58
59void apic_dump(char*);
60void lapic_init(boolean_t);
61int apic_ipi(int, int, int);
62void selected_apic_ipi(cpumask_t, int, int);
63void single_apic_ipi(int, int, int);
64int single_apic_ipi_passive(int, int, int);
65void lapic_config(void);
66void lapic_enumerator_register(struct lapic_enumerator *);
67void set_apic_timer(int);
68int get_apic_timer_frequency(void);
69int read_apic_timer(void);
70void u_sleep(int);
71
c8fe38ae 72/*
83c8d73e 73 * Send an IPI INTerrupt containing 'vector' to all CPUs EXCEPT myself
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74 */
75static __inline int
76all_but_self_ipi(int vector)
77{
78 if (smp_active_mask == 1)
79 return 0;
80 return apic_ipi(APIC_DEST_ALLESELF, vector, APIC_DELMODE_FIXED);
81}
82
83#endif
84
b44f1d28 85void lapic_map(vm_offset_t /* XXX should be vm_paddr_t */);
3e8e985f 86int lapic_unused_apic_id(int);
c2abfdd7 87
2b6cd37e 88#endif /* _ARCH_APIC_LAPIC_H_ */