FreeBSD kernel kern code
msi_if.m
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1#-
2# Copyright (c) 2016 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
31INTERFACE msi;
32
34 #include <machine/bus.h>
35 #include <dev/iommu/iommu_msi.h>
36
37 struct intr_irqsrc;
38};
39
40#
41# Default implementations of some methods.
42#
44 static int
45 iommu_init(device_t dev, device_t child, struct iommu_domain **domain)
46 {
47 *domain = NULL;
48 return (0);
49 }
50 static void
51 iommu_deinit(device_t dev, device_t child)
52 {
53 }
54};
55
56METHOD int alloc_msi {
57 device_t dev;
58 device_t child;
59 int count;
61 device_t *pic;
62 struct intr_irqsrc **srcs;
63};
64
65METHOD int release_msi {
66 device_t dev;
67 device_t child;
68 int count;
69 struct intr_irqsrc **srcs;
70};
71
72METHOD int alloc_msix {
73 device_t dev;
74 device_t child;
75 device_t *pic;
76 struct intr_irqsrc **src;
77};
78
79METHOD int release_msix {
80 device_t dev;
81 device_t child;
82 struct intr_irqsrc *src;
83};
84
85METHOD int map_msi {
86 device_t dev;
87 device_t child;
88 struct intr_irqsrc *src;
89 uint64_t *addr;
90 uint32_t *data;
91};
92
93METHOD int iommu_init {
94 device_t dev;
95 device_t child;
96 struct iommu_domain **domain;
98
99METHOD void iommu_deinit {
100 device_t dev;
101 device_t child;
METHOD int alloc_msi
Definition: msi_if.m:56
METHOD int iommu_init
Definition: msi_if.m:93
METHOD int alloc_msix
Definition: msi_if.m:72
struct iommu_domain ** domain
Definition: msi_if.m:96
device_t child
Definition: msi_if.m:58
METHOD int release_msi
Definition: msi_if.m:65
int maxcount
Definition: msi_if.m:60
METHOD int map_msi
Definition: msi_if.m:85
HEADER
Definition: msi_if.m:33
uint32_t * data
Definition: msi_if.m:90
device_t * pic
Definition: msi_if.m:61
uint64_t * addr
Definition: msi_if.m:89
INTERFACE msi
Definition: msi_if.m:31
CODE
Definition: msi_if.m:43
int count
Definition: msi_if.m:59
METHOD int release_msix
Definition: msi_if.m:79
struct intr_irqsrc ** srcs
Definition: msi_if.m:62
METHOD void iommu_deinit
Definition: msi_if.m:99
struct intr_irqsrc ** src
Definition: msi_if.m:76
#define DEFAULT(foo, bar)