Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc
[cris-mirror.git] / include / rdma / ib_cache.h
blob00a2b8ec327f7c1ce089172c2a1a92474bfee39e
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.
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:
12 * Redistribution and use in source and binary forms, with or
13 * without modification, are permitted provided that the following
14 * conditions are met:
16 * - Redistributions of source code must retain the above
17 * copyright notice, this list of conditions and the following
18 * disclaimer.
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.
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.
35 #ifndef _IB_CACHE_H
36 #define _IB_CACHE_H
38 #include <rdma/ib_verbs.h>
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.
47 * ib_get_cached_gid() fetches the specified GID table entry stored in
48 * the local software cache.
50 int ib_get_cached_gid(struct ib_device *device,
51 u8 port_num,
52 int index,
53 union ib_gid *gid);
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.
64 * ib_find_cached_gid() searches for the specified GID value in
65 * the local software cache.
67 int ib_find_cached_gid(struct ib_device *device,
68 union ib_gid *gid,
69 u8 *port_num,
70 u16 *index);
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.
79 * ib_get_cached_pkey() fetches the specified PKey table entry stored in
80 * the local software cache.
82 int ib_get_cached_pkey(struct ib_device *device_handle,
83 u8 port_num,
84 int index,
85 u16 *pkey);
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.
95 * ib_find_cached_pkey() searches the specified PKey table in
96 * the local software cache.
98 int ib_find_cached_pkey(struct ib_device *device,
99 u8 port_num,
100 u16 pkey,
101 u16 *index);
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.
109 * ib_get_cached_lmc() fetches the specified lmc table entry stored in
110 * the local software cache.
112 int ib_get_cached_lmc(struct ib_device *device,
113 u8 port_num,
114 u8 *lmc);
116 #endif /* _IB_CACHE_H */