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Diffstat (limited to '')
-rw-r--r-- | drivers/infiniband/core/sa.h | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/drivers/infiniband/core/sa.h b/drivers/infiniband/core/sa.h new file mode 100644 index 000000000..143de37ae --- /dev/null +++ b/drivers/infiniband/core/sa.h @@ -0,0 +1,64 @@ +/* + * Copyright (c) 2004 Topspin Communications. All rights reserved. + * Copyright (c) 2005 Voltaire, Inc. All rights reserved. + * Copyright (c) 2006 Intel Corporation. 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 SA_H +#define SA_H + +#include <rdma/ib_sa.h> + +static inline void ib_sa_client_get(struct ib_sa_client *client) +{ + atomic_inc(&client->users); +} + +static inline void ib_sa_client_put(struct ib_sa_client *client) +{ + if (atomic_dec_and_test(&client->users)) + complete(&client->comp); +} + +int ib_sa_mcmember_rec_query(struct ib_sa_client *client, + struct ib_device *device, u32 port_num, u8 method, + struct ib_sa_mcmember_rec *rec, + ib_sa_comp_mask comp_mask, + unsigned long timeout_ms, gfp_t gfp_mask, + void (*callback)(int status, + struct ib_sa_mcmember_rec *resp, + void *context), + void *context, struct ib_sa_query **sa_query); + +int mcast_init(void); +void mcast_cleanup(void); + +#endif /* SA_H */ |