xref: /freebsd/sys/arm/arm/gic_if.m (revision 266f97b5)
1#-
2# Copyright (c) 2021 The FreeBSD Foundation
3#
4# This software was developed by Andrew Turner under
5# sponsorship from the FreeBSD Foundation.
6#
7# Redistribution and use in source and binary forms, with or without
8# modification, are permitted provided that the following conditions
9# are met:
10# 1. Redistributions of source code must retain the above copyright
11#    notice, this list of conditions and the following disclaimer.
12# 2. Redistributions in binary form must reproduce the above copyright
13#    notice, this list of conditions and the following disclaimer in the
14#    documentation and/or other materials provided with the distribution.
15#
16# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26# SUCH DAMAGE.
27#
28# $FreeBSD$
29#
30
31
32INTERFACE gic;
33
34HEADER {
35	struct intr_irqsrc;
36};
37
38METHOD void reserve_msi_range {
39	device_t	dev;
40	u_int		mbi_start;
41	u_int		mbi_count;
42};
43
44METHOD int alloc_msi {
45	device_t	dev;
46	u_int		mbi_start;
47	u_int		mbi_count;
48	int		count;
49	int		maxcount;
50	struct intr_irqsrc **isrc;
51};
52
53METHOD int release_msi {
54	device_t	dev;
55	int		count;
56	struct intr_irqsrc **isrc;
57};
58
59METHOD int alloc_msix {
60	device_t	dev;
61	u_int		mbi_start;
62	u_int		mbi_count;
63	struct intr_irqsrc **isrc;
64};
65
66METHOD int release_msix {
67	device_t	dev;
68	struct intr_irqsrc *isrc;
69};
70