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/*
* 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.
*/
#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);
/**
* ib_get_cached_lmc - Returns a cached lmc table entry
* @device: The device to query.
* @port_num: The port number of the device to query.
* @lmc: The lmc value for the specified port for that device.
*
* ib_get_cached_lmc() fetches the specified lmc table entry stored in
* the local software cache.
*/
int ib_get_cached_lmc(struct ib_device *device,
u8 port_num,
u8 *lmc);
#endif /* _IB_CACHE_H */
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