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 * $Id: ib_cache.h 1349 2004-12-16 21:09:43Z roland $ 35 */ 36 37 #ifndef _IB_CACHE_H 38 #define _IB_CACHE_H 39 40 #include <rdma/ib_verbs.h> 41 42 /** 43 * ib_get_cached_gid - Returns a cached GID table entry 44 * @device: The device to query. 45 * @port_num: The port number of the device to query. 46 * @index: The index into the cached GID table to query. 47 * @gid: The GID value found at the specified index. 48 * 49 * ib_get_cached_gid() fetches the specified GID table entry stored in 50 * the local software cache. 51 */ 52 int ib_get_cached_gid(struct ib_device *device, 53 u8 port_num, 54 int index, 55 union ib_gid *gid); 56 57 /** 58 * ib_find_cached_gid - Returns the port number and GID table index where 59 * a specified GID value occurs. 60 * @device: The device to query. 61 * @gid: The GID value to search for. 62 * @port_num: The port number of the device where the GID value was found. 63 * @index: The index into the cached GID table where the GID was found. This 64 * parameter may be NULL. 65 * 66 * ib_find_cached_gid() searches for the specified GID value in 67 * the local software cache. 68 */ 69 int ib_find_cached_gid(struct ib_device *device, 70 union ib_gid *gid, 71 u8 *port_num, 72 u16 *index); 73 74 /** 75 * ib_get_cached_pkey - Returns a cached PKey table entry 76 * @device: The device to query. 77 * @port_num: The port number of the device to query. 78 * @index: The index into the cached PKey table to query. 79 * @pkey: The PKey value found at the specified index. 80 * 81 * ib_get_cached_pkey() fetches the specified PKey table entry stored in 82 * the local software cache. 83 */ 84 int ib_get_cached_pkey(struct ib_device *device_handle, 85 u8 port_num, 86 int index, 87 u16 *pkey); 88 89 /** 90 * ib_find_cached_pkey - Returns the PKey table index where a specified 91 * PKey value occurs. 92 * @device: The device to query. 93 * @port_num: The port number of the device to search for the PKey. 94 * @pkey: The PKey value to search for. 95 * @index: The index into the cached PKey table where the PKey was found. 96 * 97 * ib_find_cached_pkey() searches the specified PKey table in 98 * the local software cache. 99 */ 100 int ib_find_cached_pkey(struct ib_device *device, 101 u8 port_num, 102 u16 pkey, 103 u16 *index); 104 105 #endif /* _IB_CACHE_H */ 106