ioapic_abi: More consistent function name w/ legacy interrupt
[dragonfly.git] / sys / platform / pc64 / apic / ioapic_abi.h
CommitLineData
9e0e3f85
SZ
1/*
2 * Copyright (c) 1991 The Regents of the University of California.
3 * Copyright (c) 1996, by Steve Passe. All rights reserved.
4 * Copyright (c) 2005,2008 The DragonFly Project. All rights reserved.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The DragonFly Project
8 * by Matthew Dillon <dillon@backplane.com>
9 *
10 * This code is derived from software contributed to Berkeley by
11 * William Jolitz.
12 *
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
15 * are met:
16 *
17 * 1. Redistributions of source code must retain the above copyright
18 * notice, this list of conditions and the following disclaimer.
19 * 2. Redistributions in binary form must reproduce the above copyright
20 * notice, this list of conditions and the following disclaimer in
21 * the documentation and/or other materials provided with the
22 * distribution.
23 * 3. Neither the name of The DragonFly Project nor the names of its
24 * contributors may be used to endorse or promote products derived
25 * from this software without specific, prior written permission.
26 *
27 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
29 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
30 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
31 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
32 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
33 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
34 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
35 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
36 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
37 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
38 * SUCH DAMAGE.
39 */
40
41#ifndef _ARCH_APIC_IOAPIC_ABI_H_
42#define _ARCH_APIC_IOAPIC_ABI_H_
43
929c940f
SZ
44#ifndef _SYS_BUS_H_
45#include <sys/bus.h>
46#endif
47
566d27d4
SZ
48/*
49 * NOTE:
5ac5ccd2
SZ
50 * - Keep size of ioapic_irqinfo power of 2
51 * - Update IOAPIC_IRQI_SZSHIFT after changing ioapic_irqinfo size
566d27d4 52 */
5ac5ccd2
SZ
53struct ioapic_irqinfo {
54 uint32_t io_flags; /* IOAPIC_IRQI_FLAG_ */
55 int io_idx;
56 volatile void *io_addr;
566d27d4 57};
5ac5ccd2 58#define IOAPIC_IRQI_SZSHIFT 4
566d27d4 59
5ac5ccd2
SZ
60#define IOAPIC_IRQI_FLAG_LEVEL 0x1 /* default to edge trigger */
61#define IOAPIC_IRQI_FLAG_MASKED 0x2
566d27d4 62
5ac5ccd2 63extern struct ioapic_irqinfo ioapic_irqs[];
566d27d4 64
9e0e3f85 65extern struct machintr_abi MachIntrABI_IOAPIC;
929c940f 66
027bbbfe
SZ
67int ioapic_conf_legacy_extint(int);
68void ioapic_set_legacy_irqmap(int, int, enum intr_trigger,
69 enum intr_polarity);
70void ioapic_fixup_legacy_irqmaps(void);
929c940f 71
027bbbfe
SZ
72int ioapic_find_legacy_by_gsi(int, enum intr_trigger, enum intr_polarity);
73int ioapic_find_legacy_by_irq(int, enum intr_trigger, enum intr_polarity);
e90e7ac4 74
9e0e3f85 75#endif /* !_ARCH_APIC_IOAPIC_ABI_H_ */