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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
58/**
59 * ib_find_cached_gid - Returns the port number and GID table index where
60 * a specified GID value occurs.
61 * @device: The device to query.
62 * @gid: The GID value to search for.
63 * @gid_type: The GID type to search for.
64 * @ndev: In RoCE, the net device of the device. NULL means ignore.
65 * @port_num: The port number of the device where the GID value was found.
66 * @index: The index into the cached GID table where the GID was found. This
67 * parameter may be NULL.
68 *
69 * ib_find_cached_gid() searches for the specified GID value in
70 * the local software cache.
71 */
72int ib_find_cached_gid(struct ib_device *device,
73 const union ib_gid *gid,
74 enum ib_gid_type gid_type,
75 struct net_device *ndev,
76 u8 *port_num,
77 u16 *index);
78
79/**
80 * ib_find_cached_gid_by_port - Returns the GID table index where a specified
81 * GID value occurs
82 * @device: The device to query.
83 * @gid: The GID value to search for.
84 * @gid_type: The GID type to search for.
85 * @port_num: The port number of the device where the GID value sould be
86 * searched.
87 * @ndev: In RoCE, the net device of the device. Null means ignore.
88 * @index: The index into the cached GID table where the GID was found. This
89 * parameter may be NULL.
90 *
91 * ib_find_cached_gid() searches for the specified GID value in
92 * the local software cache.
93 */
94int ib_find_cached_gid_by_port(struct ib_device *device,
95 const union ib_gid *gid,
96 enum ib_gid_type gid_type,
97 u8 port_num,
98 struct net_device *ndev,
99 u16 *index);
100
101int ib_find_gid_by_filter(struct ib_device *device,
102 const union ib_gid *gid,
103 u8 port_num,
104 bool (*filter)(const union ib_gid *gid,
105 const struct ib_gid_attr *,
106 void *),
107 void *context, u16 *index);
108/**
109 * ib_get_cached_pkey - Returns a cached PKey table entry
110 * @device: The device to query.
111 * @port_num: The port number of the device to query.
112 * @index: The index into the cached PKey table to query.
113 * @pkey: The PKey value found at the specified index.
114 *
115 * ib_get_cached_pkey() fetches the specified PKey table entry stored in
116 * the local software cache.
117 */
118int ib_get_cached_pkey(struct ib_device *device_handle,
119 u8 port_num,
120 int index,
121 u16 *pkey);
122
123/**
124 * ib_find_cached_pkey - Returns the PKey table index where a specified
125 * PKey value occurs.
126 * @device: The device to query.
127 * @port_num: The port number of the device to search for the PKey.
128 * @pkey: The PKey value to search for.
129 * @index: The index into the cached PKey table where the PKey was found.
130 *
131 * ib_find_cached_pkey() searches the specified PKey table in
132 * the local software cache.
133 */
134int ib_find_cached_pkey(struct ib_device *device,
135 u8 port_num,
136 u16 pkey,
137 u16 *index);
138
139/**
140 * ib_find_exact_cached_pkey - Returns the PKey table index where a specified
141 * PKey value occurs. Comparison uses the FULL 16 bits (incl membership bit)
142 * @device: The device to query.
143 * @port_num: The port number of the device to search for the PKey.
144 * @pkey: The PKey value to search for.
145 * @index: The index into the cached PKey table where the PKey was found.
146 *
147 * ib_find_exact_cached_pkey() searches the specified PKey table in
148 * the local software cache.
149 */
150int ib_find_exact_cached_pkey(struct ib_device *device,
151 u8 port_num,
152 u16 pkey,
153 u16 *index);
154
155/**
156 * ib_get_cached_lmc - Returns a cached lmc table entry
157 * @device: The device to query.
158 * @port_num: The port number of the device to query.
159 * @lmc: The lmc value for the specified port for that device.
160 *
161 * ib_get_cached_lmc() fetches the specified lmc table entry stored in
162 * the local software cache.
163 */
164int ib_get_cached_lmc(struct ib_device *device,
165 u8 port_num,
166 u8 *lmc);
167
168#endif /* _IB_CACHE_H */