1/*-
2 * Copyright (c) 2015-2016 Ruslan Bukin <br@bsdpad.com>
3 * All rights reserved.
4 *
5 * Portions of this software were developed by SRI International and the
6 * University of Cambridge Computer Laboratory under DARPA/AFRL contract
7 * FA8750-10-C-0237 ("CTSRD"), as part of the DARPA CRASH research programme.
8 *
9 * Portions of this software were developed by the University of Cambridge
10 * Computer Laboratory as part of the CTSRD Project, with support from the
11 * UK Higher Education Innovation Fund (HEIF).
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 * 1. Redistributions of source code must retain the above copyright
17 *    notice, this list of conditions and the following disclaimer.
18 * 2. Redistributions in binary form must reproduce the above copyright
19 *    notice, this list of conditions and the following disclaimer in the
20 *    documentation and/or other materials provided with the distribution.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 *
34 * $FreeBSD$
35 */
36
37#ifndef	_MACHINE_INTR_MACHDEP_H_
38#define	_MACHINE_INTR_MACHDEP_H_
39
40#define	RISCV_NIRQ		1024
41
42#ifndef	NIRQ
43#define	NIRQ			RISCV_NIRQ
44#endif
45
46#ifdef INTRNG
47#include <sys/intr.h>
48#endif
49
50struct trapframe;
51
52int riscv_teardown_intr(void *);
53int riscv_setup_intr(const char *, driver_filter_t *, driver_intr_t *,
54    void *, int, int, void **);
55void riscv_cpu_intr(struct trapframe *);
56
57typedef unsigned long * riscv_intrcnt_t;
58
59riscv_intrcnt_t riscv_intrcnt_create(const char *);
60void riscv_intrcnt_setname(riscv_intrcnt_t, const char *);
61
62#ifdef SMP
63void riscv_setup_ipihandler(driver_filter_t *);
64void riscv_unmask_ipi(void);
65#endif
66
67enum {
68	IRQ_SOFTWARE_USER,
69	IRQ_SOFTWARE_SUPERVISOR,
70	IRQ_SOFTWARE_HYPERVISOR,
71	IRQ_SOFTWARE_MACHINE,
72	IRQ_TIMER_USER,
73	IRQ_TIMER_SUPERVISOR,
74	IRQ_TIMER_HYPERVISOR,
75	IRQ_TIMER_MACHINE,
76	IRQ_EXTERNAL_USER,
77	IRQ_EXTERNAL_SUPERVISOR,
78	IRQ_EXTERNAL_HYPERVISOR,
79	IRQ_EXTERNAL_MACHINE,
80	INTC_NIRQS
81};
82
83#endif /* !_MACHINE_INTR_MACHDEP_H_ */
84