pci_if.m revision 292907 
1#-
2# Copyright (c) 1998 Doug Rabson
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: stable/10/sys/dev/pci/pci_if.m 292907 2015-12-30 08:52:03Z ngie $
27#
28
29#include <sys/bus.h>
30
31INTERFACE pci;
32
33CODE {
34	static int
35	null_msi_count(device_t dev, device_t child)
36	{
37		return (0);
38	}
39};
40
41
42METHOD u_int32_t read_config {
43	device_t	dev;
44	device_t	child;
45	int		reg;
46	int		width;
47};
48
49METHOD void write_config {
50	device_t	dev;
51	device_t	child;
52	int		reg;
53	u_int32_t	val;
54	int		width;
55};
56
57METHOD int get_powerstate {
58	device_t	dev;
59	device_t	child;
60};
61
62METHOD int set_powerstate {
63	device_t	dev;
64	device_t	child;
65	int		state;
66};
67
68METHOD int get_vpd_ident {
69	device_t	dev;
70	device_t	child;
71	const char	**identptr;
72};
73
74METHOD int get_vpd_readonly {
75	device_t	dev;
76	device_t	child;
77	const char	*kw;
78	const char	**vptr;
79};
80
81METHOD int enable_busmaster {
82	device_t	dev;
83	device_t	child;
84};
85
86METHOD int disable_busmaster {
87	device_t	dev;
88	device_t	child;
89};
90
91METHOD int enable_io {
92	device_t	dev;
93	device_t	child;
94	int		space;
95};
96
97METHOD int disable_io {
98	device_t	dev;
99	device_t	child;
100	int		space;
101};
102
103METHOD int assign_interrupt {
104	device_t	dev;
105	device_t	child;
106};
107
108METHOD int find_cap {
109	device_t	dev;
110	device_t	child;
111	int		capability;
112	int		*capreg;
113};
114
115METHOD int find_extcap {
116	device_t	dev;
117	device_t	child;
118	int		capability;
119	int		*capreg;
120};
121
122METHOD int find_htcap {
123	device_t	dev;
124	device_t	child;
125	int		capability;
126	int		*capreg;
127};
128
129METHOD int alloc_msi {
130	device_t	dev;
131	device_t	child;
132	int		*count;
133};
134
135METHOD int alloc_msix {
136	device_t	dev;
137	device_t	child;
138	int		*count;
139};
140
141METHOD void enable_msi {
142	device_t	dev;
143	device_t	child;
144	uint64_t	address;
145	uint16_t	data;
146};
147
148METHOD void enable_msix {
149	device_t	dev;
150	device_t	child;
151	u_int		index;
152	uint64_t	address;
153	uint32_t	data;
154};
155
156METHOD void disable_msi {
157	device_t	dev;
158	device_t	child;
159};
160
161METHOD int remap_msix {
162	device_t	dev;
163	device_t	child;
164	int		count;
165	const u_int	*vectors;
166};
167
168METHOD int release_msi {
169	device_t	dev;
170	device_t	child;
171};
172
173METHOD int msi_count {
174	device_t	dev;
175	device_t	child;
176} DEFAULT null_msi_count;
177
178METHOD int msix_count {
179	device_t	dev;
180	device_t	child;
181} DEFAULT null_msi_count;
182
183METHOD uint16_t get_rid {
184	device_t	dev;
185	device_t	child;
186};
187
188METHOD void child_added {
189	device_t	dev;
190	device_t	child;
191};
192