pci_if.m revision 331111 
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/11/sys/dev/pci/pci_if.m 331111 2018-03-17 20:20:29Z bryanv $
27#
28
29#include <sys/bus.h>
30#include <dev/pci/pcivar.h>
31
32INTERFACE pci;
33
34CODE {
35	static int
36	null_msi_count(device_t dev, device_t child)
37	{
38		return (0);
39	}
40
41	static int
42	null_msix_bar(device_t dev, device_t child)
43	{
44		return (-1);
45	}
46
47	static device_t
48	null_create_iov_child(device_t bus, device_t pf, uint16_t rid,
49	    uint16_t vid, uint16_t did)
50	{
51		device_printf(bus, "PCI_IOV not implemented on this bus.\n");
52		return (NULL);
53	}
54
55	static int
56	compat_iov_attach(device_t bus, device_t dev, struct nvlist *pf_schema,
57	    struct nvlist *vf_schema)
58	{
59		return (PCI_IOV_ATTACH_NAME(bus, dev, pf_schema, vf_schema,
60		    device_get_nameunit(dev)));
61	}
62};
63
64HEADER {
65	struct nvlist;
66
67	enum pci_id_type {
68	    PCI_ID_RID,
69	    PCI_ID_MSI,
70	};
71}
72
73
74METHOD u_int32_t read_config {
75	device_t	dev;
76	device_t	child;
77	int		reg;
78	int		width;
79};
80
81METHOD void write_config {
82	device_t	dev;
83	device_t	child;
84	int		reg;
85	u_int32_t	val;
86	int		width;
87};
88
89METHOD int get_powerstate {
90	device_t	dev;
91	device_t	child;
92};
93
94METHOD int set_powerstate {
95	device_t	dev;
96	device_t	child;
97	int		state;
98};
99
100METHOD int get_vpd_ident {
101	device_t	dev;
102	device_t	child;
103	const char	**identptr;
104};
105
106METHOD int get_vpd_readonly {
107	device_t	dev;
108	device_t	child;
109	const char	*kw;
110	const char	**vptr;
111};
112
113METHOD int enable_busmaster {
114	device_t	dev;
115	device_t	child;
116};
117
118METHOD int disable_busmaster {
119	device_t	dev;
120	device_t	child;
121};
122
123METHOD int enable_io {
124	device_t	dev;
125	device_t	child;
126	int		space;
127};
128
129METHOD int disable_io {
130	device_t	dev;
131	device_t	child;
132	int		space;
133};
134
135METHOD int assign_interrupt {
136	device_t	dev;
137	device_t	child;
138};
139
140METHOD int find_cap {
141	device_t	dev;
142	device_t	child;
143	int		capability;
144	int		*capreg;
145};
146
147METHOD int find_next_cap {
148	device_t	dev;
149	device_t	child;
150	int		capability;
151	int		start;
152	int		*capreg;
153};
154
155METHOD int find_extcap {
156	device_t	dev;
157	device_t	child;
158	int		capability;
159	int		*capreg;
160};
161
162METHOD int find_next_extcap {
163	device_t	dev;
164	device_t	child;
165	int		capability;
166	int		start;
167	int		*capreg;
168};
169
170METHOD int find_htcap {
171	device_t	dev;
172	device_t	child;
173	int		capability;
174	int		*capreg;
175};
176
177METHOD int find_next_htcap {
178	device_t	dev;
179	device_t	child;
180	int		capability;
181	int		start;
182	int		*capreg;
183};
184
185METHOD int alloc_msi {
186	device_t	dev;
187	device_t	child;
188	int		*count;
189};
190
191METHOD int alloc_msix {
192	device_t	dev;
193	device_t	child;
194	int		*count;
195};
196
197METHOD void enable_msi {
198	device_t	dev;
199	device_t	child;
200	uint64_t	address;
201	uint16_t	data;
202};
203
204METHOD void enable_msix {
205	device_t	dev;
206	device_t	child;
207	u_int		index;
208	uint64_t	address;
209	uint32_t	data;
210};
211
212METHOD void disable_msi {
213	device_t	dev;
214	device_t	child;
215};
216
217METHOD int remap_msix {
218	device_t	dev;
219	device_t	child;
220	int		count;
221	const u_int	*vectors;
222};
223
224METHOD int release_msi {
225	device_t	dev;
226	device_t	child;
227};
228
229METHOD int msi_count {
230	device_t	dev;
231	device_t	child;
232} DEFAULT null_msi_count;
233
234METHOD int msix_count {
235	device_t	dev;
236	device_t	child;
237} DEFAULT null_msi_count;
238
239METHOD int msix_pba_bar {
240	device_t	dev;
241	device_t	child;
242} DEFAULT null_msix_bar;
243
244METHOD int msix_table_bar {
245	device_t	dev;
246	device_t	child;
247} DEFAULT null_msix_bar;
248
249METHOD int get_id {
250	device_t	dev;
251	device_t	child;
252	enum pci_id_type type;
253	uintptr_t	*id;
254};
255
256METHOD struct pci_devinfo * alloc_devinfo {
257	device_t	dev;
258};
259
260METHOD void child_added {
261	device_t	dev;
262	device_t	child;
263};
264
265METHOD int iov_attach {
266	device_t	dev;
267	device_t	child;
268	struct nvlist	*pf_schema;
269	struct nvlist	*vf_schema;
270} DEFAULT compat_iov_attach;
271
272METHOD int iov_attach_name {
273	device_t	dev;
274	device_t	child;
275	struct nvlist	*pf_schema;
276	struct nvlist	*vf_schema;
277	const char	*name;
278};
279
280METHOD int iov_detach {
281	device_t	dev;
282	device_t	child;
283};
284
285METHOD device_t create_iov_child {
286	device_t bus;
287	device_t pf;
288	uint16_t rid;
289	uint16_t vid;
290	uint16_t did;
291} DEFAULT null_create_iov_child;
292