LXR linux/drivers/infiniband/core/sa.h

   1/*
   2 * Copyright (c) 2004 Topspin Communications.  All rights reserved.
   3 * Copyright (c) 2005 Voltaire, Inc.  All rights reserved.
   4 * Copyright (c) 2006 Intel Corporation.  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
  35#ifndef SA_H
  36#define SA_H
  37
  38#include <rdma/ib_sa.h>
  39
  40static inline void ib_sa_client_get(struct ib_sa_client *client)
  41{
  42        atomic_inc(&client->users);
  43}
  44
  45static inline void ib_sa_client_put(struct ib_sa_client *client)
  46{
  47        if (atomic_dec_and_test(&client->users))
  48                complete(&client->comp);
  49}
  50
  51int ib_sa_mcmember_rec_query(struct ib_sa_client *client,
  52                             struct ib_device *device, u32 port_num, u8 method,
  53                             struct ib_sa_mcmember_rec *rec,
  54                             ib_sa_comp_mask comp_mask,
  55                             unsigned long timeout_ms, gfp_t gfp_mask,
  56                             void (*callback)(int status,
  57                                              struct ib_sa_mcmember_rec *resp,
  58                                              void *context),
  59                             void *context, struct ib_sa_query **sa_query);
  60
  61int mcast_init(void);
  62void mcast_cleanup(void);
  63
  64#endif /* SA_H */
  65