intr.h revision 301265 
1/*-
2 * Copyright (c) 2014 Andrew Turner <andrew@FreeBSD.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
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: head/sys/arm64/include/intr.h 301265 2016-06-03 10:28:06Z andrew $
27 */
28
29#ifndef _MACHINE_INTR_H_
30#define	_MACHINE_INTR_H_
31
32#ifdef INTRNG
33
34#ifdef FDT
35#include <dev/ofw/openfirm.h>
36#endif
37
38#include <sys/intr.h>
39
40#ifndef NIRQ
41#define	NIRQ		2048	/* XXX - It should be an option. */
42#endif
43
44static inline void
45arm_irq_memory_barrier(uintptr_t irq)
46{
47}
48
49#ifdef SMP
50void intr_ipi_dispatch(u_int, struct trapframe *);
51#endif
52
53#else
54int	intr_irq_config(u_int, enum intr_trigger, enum intr_polarity);
55void	intr_irq_handler(struct trapframe *);
56int	intr_irq_remove_handler(device_t, u_int, void *);
57
58void	arm_dispatch_intr(u_int, struct trapframe *);
59int	arm_enable_intr(void);
60void	arm_mask_irq(u_int);
61void	arm_register_root_pic(device_t, u_int);
62void	arm_register_msi_pic(device_t);
63int	arm_alloc_msi(device_t, device_t, int, int, int *);
64int	arm_release_msi(device_t, device_t, int, int *);
65int	arm_alloc_msix(device_t, device_t, int *);
66int	arm_release_msix(device_t, device_t, int);
67int	arm_map_msi(device_t, device_t, int, uint64_t *, uint32_t *);
68int	arm_map_msix(device_t, device_t, int, uint64_t *, uint32_t *);
69int	arm_setup_intr(const char *, driver_filter_t *, driver_intr_t,
70				void *, u_int, enum intr_type, void **);
71void	arm_unmask_irq(u_int);
72
73#ifdef SMP
74int	intr_irq_bind(u_int, int);
75
76void	arm_init_secondary(void);
77void	arm_setup_ipihandler(driver_filter_t *, u_int);
78void	arm_unmask_ipi(u_int);
79#endif
80#endif
81
82#endif	/* _MACHINE_INTR_H */
83