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Diffstat (limited to 'include/rdma/ib_cache.h')
| -rw-r--r-- | include/rdma/ib_cache.h | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/include/rdma/ib_cache.h b/include/rdma/ib_cache.h new file mode 100644 index 000000000000..5bf9834f7dca --- /dev/null +++ b/include/rdma/ib_cache.h @@ -0,0 +1,105 @@ +/* + * Copyright (c) 2004 Topspin Communications. All rights reserved. + * Copyright (c) 2005 Intel Corporation. All rights reserved. + * Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved. + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the + * OpenIB.org BSD license below: + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * - Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * + * - Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * $Id: ib_cache.h 1349 2004-12-16 21:09:43Z roland $ + */ + +#ifndef _IB_CACHE_H +#define _IB_CACHE_H + +#include <rdma/ib_verbs.h> + +/** + * ib_get_cached_gid - Returns a cached GID table entry + * @device: The device to query. + * @port_num: The port number of the device to query. + * @index: The index into the cached GID table to query. + * @gid: The GID value found at the specified index. + * + * ib_get_cached_gid() fetches the specified GID table entry stored in + * the local software cache. + */ +int ib_get_cached_gid(struct ib_device *device, + u8 port_num, + int index, + union ib_gid *gid); + +/** + * ib_find_cached_gid - Returns the port number and GID table index where + * a specified GID value occurs. + * @device: The device to query. + * @gid: The GID value to search for. + * @port_num: The port number of the device where the GID value was found. + * @index: The index into the cached GID table where the GID was found. This + * parameter may be NULL. + * + * ib_find_cached_gid() searches for the specified GID value in + * the local software cache. + */ +int ib_find_cached_gid(struct ib_device *device, + union ib_gid *gid, + u8 *port_num, + u16 *index); + +/** + * ib_get_cached_pkey - Returns a cached PKey table entry + * @device: The device to query. + * @port_num: The port number of the device to query. + * @index: The index into the cached PKey table to query. + * @pkey: The PKey value found at the specified index. + * + * ib_get_cached_pkey() fetches the specified PKey table entry stored in + * the local software cache. + */ +int ib_get_cached_pkey(struct ib_device *device_handle, + u8 port_num, + int index, + u16 *pkey); + +/** + * ib_find_cached_pkey - Returns the PKey table index where a specified + * PKey value occurs. + * @device: The device to query. + * @port_num: The port number of the device to search for the PKey. + * @pkey: The PKey value to search for. + * @index: The index into the cached PKey table where the PKey was found. + * + * ib_find_cached_pkey() searches the specified PKey table in + * the local software cache. + */ +int ib_find_cached_pkey(struct ib_device *device, + u8 port_num, + u16 pkey, + u16 *index); + +#endif /* _IB_CACHE_H */ |