/* * 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. * @attr: The GID attribute found at the specified index (only in RoCE). * NULL means ignore (output parameter). * * 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, struct ib_gid_attr *attr); /** * 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. * @gid_type: The GID type to search for. * @ndev: In RoCE, the net device of the device. NULL means ignore. * @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, const union ib_gid *gid, enum ib_gid_type gid_type, struct net_device *ndev, u8 *port_num, u16 *index); /** * ib_find_cached_gid_by_port - Returns the GID table index where a specified * GID value occurs * @device: The device to query. * @gid: The GID value to search for. * @gid_type: The GID type to search for. * @port_num: The port number of the device where the GID value sould be * searched. * @ndev: In RoCE, the net device of the device. Null means ignore. * @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_by_port(struct ib_device *device, const union ib_gid *gid, enum ib_gid_type gid_type, u8 port_num, struct net_device *ndev, u16 *index); int ib_find_gid_by_filter(struct ib_device *device, const union ib_gid *gid, u8 port_num, bool (*filter)(const union ib_gid *gid, const struct ib_gid_attr *, void *), void *context, 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_find_exact_cached_pkey - Returns the PKey table index where a specified * PKey value occurs. Comparison uses the FULL 16 bits (incl membership bit) * @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_exact_cached_pkey() searches the specified PKey table in * the local software cache. */ int ib_find_exact_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 */