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1/*
2 * Copyright (c) 2004 Topspin Communications. All rights reserved.
3 * Copyright (c) 2005 Intel Corporation. All rights reserved.
4 * Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved.
5 *
6 * This software is available to you under a choice of one of two
7 * licenses. You may choose to be licensed under the terms of the GNU
8 * General Public License (GPL) Version 2, available from the file
9 * COPYING in the main directory of this source tree, or the
10 * OpenIB.org BSD license below:
11 *
12 * Redistribution and use in source and binary forms, with or
13 * without modification, are permitted provided that the following
14 * conditions are met:
15 *
16 * - Redistributions of source code must retain the above
17 * copyright notice, this list of conditions and the following
18 * disclaimer.
19 *
20 * - Redistributions in binary form must reproduce the above
21 * copyright notice, this list of conditions and the following
22 * disclaimer in the documentation and/or other materials
23 * provided with the distribution.
24 *
25 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
26 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
27 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
28 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
29 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
30 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
31 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
32 * SOFTWARE.
33 */
34
35#ifndef _IB_CACHE_H
36#define _IB_CACHE_H
37
38#include <rdma/ib_verbs.h>
39
40/**
41 * ib_get_cached_gid - Returns a cached GID table entry
42 * @device: The device to query.
43 * @port_num: The port number of the device to query.
44 * @index: The index into the cached GID table to query.
45 * @gid: The GID value found at the specified index.
46 *
47 * ib_get_cached_gid() fetches the specified GID table entry stored in
48 * the local software cache.
49 */
50int ib_get_cached_gid(struct ib_device *device,
51 u8 port_num,
52 int index,
53 union ib_gid *gid);
54
55/**
56 * ib_find_cached_gid - Returns the port number and GID table index where
57 * a specified GID value occurs.
58 * @device: The device to query.
59 * @gid: The GID value to search for.
60 * @port_num: The port number of the device where the GID value was found.
61 * @index: The index into the cached GID table where the GID was found. This
62 * parameter may be NULL.
63 *
64 * ib_find_cached_gid() searches for the specified GID value in
65 * the local software cache.
66 */
67int ib_find_cached_gid(struct ib_device *device,
68 union ib_gid *gid,
69 u8 *port_num,
70 u16 *index);
71
72/**
73 * ib_get_cached_pkey - Returns a cached PKey table entry
74 * @device: The device to query.
75 * @port_num: The port number of the device to query.
76 * @index: The index into the cached PKey table to query.
77 * @pkey: The PKey value found at the specified index.
78 *
79 * ib_get_cached_pkey() fetches the specified PKey table entry stored in
80 * the local software cache.
81 */
82int ib_get_cached_pkey(struct ib_device *device_handle,
83 u8 port_num,
84 int index,
85 u16 *pkey);
86
87/**
88 * ib_find_cached_pkey - Returns the PKey table index where a specified
89 * PKey value occurs.
90 * @device: The device to query.
91 * @port_num: The port number of the device to search for the PKey.
92 * @pkey: The PKey value to search for.
93 * @index: The index into the cached PKey table where the PKey was found.
94 *
95 * ib_find_cached_pkey() searches the specified PKey table in
96 * the local software cache.
97 */
98int ib_find_cached_pkey(struct ib_device *device,
99 u8 port_num,
100 u16 pkey,
101 u16 *index);
102
103/**
104 * ib_get_cached_lmc - Returns a cached lmc table entry
105 * @device: The device to query.
106 * @port_num: The port number of the device to query.
107 * @lmc: The lmc value for the specified port for that device.
108 *
109 * ib_get_cached_lmc() fetches the specified lmc table entry stored in
110 * the local software cache.
111 */
112int ib_get_cached_lmc(struct ib_device *device,
113 u8 port_num,
114 u8 *lmc);
115
116#endif /* _IB_CACHE_H */
1/*
2 * Copyright (c) 2004 Topspin Communications. All rights reserved.
3 * Copyright (c) 2005 Intel Corporation. All rights reserved.
4 * Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved.
5 *
6 * This software is available to you under a choice of one of two
7 * licenses. You may choose to be licensed under the terms of the GNU
8 * General Public License (GPL) Version 2, available from the file
9 * COPYING in the main directory of this source tree, or the
10 * OpenIB.org BSD license below:
11 *
12 * Redistribution and use in source and binary forms, with or
13 * without modification, are permitted provided that the following
14 * conditions are met:
15 *
16 * - Redistributions of source code must retain the above
17 * copyright notice, this list of conditions and the following
18 * disclaimer.
19 *
20 * - Redistributions in binary form must reproduce the above
21 * copyright notice, this list of conditions and the following
22 * disclaimer in the documentation and/or other materials
23 * provided with the distribution.
24 *
25 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
26 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
27 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
28 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
29 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
30 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
31 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
32 * SOFTWARE.
33 */
34
35#ifndef _IB_CACHE_H
36#define _IB_CACHE_H
37
38#include <rdma/ib_verbs.h>
39
40/**
41 * ib_get_cached_gid - Returns a cached GID table entry
42 * @device: The device to query.
43 * @port_num: The port number of the device to query.
44 * @index: The index into the cached GID table to query.
45 * @gid: The GID value found at the specified index.
46 * @attr: The GID attribute found at the specified index (only in RoCE).
47 * NULL means ignore (output parameter).
48 *
49 * ib_get_cached_gid() fetches the specified GID table entry stored in
50 * the local software cache.
51 */
52int ib_get_cached_gid(struct ib_device *device,
53 u8 port_num,
54 int index,
55 union ib_gid *gid,
56 struct ib_gid_attr *attr);
57
58int ib_find_cached_gid(struct ib_device *device,
59 const union ib_gid *gid,
60 enum ib_gid_type gid_type,
61 struct net_device *ndev,
62 u8 *port_num,
63 u16 *index);
64
65int ib_find_cached_gid_by_port(struct ib_device *device,
66 const union ib_gid *gid,
67 enum ib_gid_type gid_type,
68 u8 port_num,
69 struct net_device *ndev,
70 u16 *index);
71
72int ib_find_gid_by_filter(struct ib_device *device,
73 const union ib_gid *gid,
74 u8 port_num,
75 bool (*filter)(const union ib_gid *gid,
76 const struct ib_gid_attr *,
77 void *),
78 void *context, u16 *index);
79/**
80 * ib_get_cached_pkey - Returns a cached PKey table entry
81 * @device: The device to query.
82 * @port_num: The port number of the device to query.
83 * @index: The index into the cached PKey table to query.
84 * @pkey: The PKey value found at the specified index.
85 *
86 * ib_get_cached_pkey() fetches the specified PKey table entry stored in
87 * the local software cache.
88 */
89int ib_get_cached_pkey(struct ib_device *device_handle,
90 u8 port_num,
91 int index,
92 u16 *pkey);
93
94/**
95 * ib_find_cached_pkey - Returns the PKey table index where a specified
96 * PKey value occurs.
97 * @device: The device to query.
98 * @port_num: The port number of the device to search for the PKey.
99 * @pkey: The PKey value to search for.
100 * @index: The index into the cached PKey table where the PKey was found.
101 *
102 * ib_find_cached_pkey() searches the specified PKey table in
103 * the local software cache.
104 */
105int ib_find_cached_pkey(struct ib_device *device,
106 u8 port_num,
107 u16 pkey,
108 u16 *index);
109
110/**
111 * ib_find_exact_cached_pkey - Returns the PKey table index where a specified
112 * PKey value occurs. Comparison uses the FULL 16 bits (incl membership bit)
113 * @device: The device to query.
114 * @port_num: The port number of the device to search for the PKey.
115 * @pkey: The PKey value to search for.
116 * @index: The index into the cached PKey table where the PKey was found.
117 *
118 * ib_find_exact_cached_pkey() searches the specified PKey table in
119 * the local software cache.
120 */
121int ib_find_exact_cached_pkey(struct ib_device *device,
122 u8 port_num,
123 u16 pkey,
124 u16 *index);
125
126/**
127 * ib_get_cached_lmc - Returns a cached lmc table entry
128 * @device: The device to query.
129 * @port_num: The port number of the device to query.
130 * @lmc: The lmc value for the specified port for that device.
131 *
132 * ib_get_cached_lmc() fetches the specified lmc table entry stored in
133 * the local software cache.
134 */
135int ib_get_cached_lmc(struct ib_device *device,
136 u8 port_num,
137 u8 *lmc);
138
139/**
140 * ib_get_cached_port_state - Returns a cached port state table entry
141 * @device: The device to query.
142 * @port_num: The port number of the device to query.
143 * @port_state: port_state for the specified port for that device.
144 *
145 * ib_get_cached_port_state() fetches the specified port_state table entry stored in
146 * the local software cache.
147 */
148int ib_get_cached_port_state(struct ib_device *device,
149 u8 port_num,
150 enum ib_port_state *port_active);
151
152#endif /* _IB_CACHE_H */