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MFV r351500: Fix CLEAR_HASH macro to be usable as a single statement.
[FreeBSD/FreeBSD.git] / contrib / ofed / opensm / opensm / osm_service.c
1 /*
2  * Copyright (c) 2004-2009 Voltaire, Inc. All rights reserved.
3  * Copyright (c) 2002-2006 Mellanox Technologies LTD. All rights reserved.
4  * Copyright (c) 1996-2003 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
36 /*
37  * Abstract:
38  *    Implementation of service record functions.
39  */
40
41 #if HAVE_CONFIG_H
42 #  include <config.h>
43 #endif                          /* HAVE_CONFIG_H */
44
45 #include <stdlib.h>
46 #include <complib/cl_debug.h>
47 #include <complib/cl_timer.h>
48 #include <opensm/osm_file_ids.h>
49 #define FILE_ID OSM_FILE_SERVICE_C
50 #include <opensm/osm_service.h>
51 #include <opensm/osm_opensm.h>
52
53 void osm_svcr_delete(IN osm_svcr_t * p_svcr)
54 {
55         free(p_svcr);
56 }
57
58 void osm_svcr_init(IN osm_svcr_t * p_svcr,
59                    IN const ib_service_record_t * p_svc_rec)
60 {
61         CL_ASSERT(p_svcr);
62
63         p_svcr->modified_time = cl_get_time_stamp_sec();
64
65         /* We track the time left for this service in
66            an external field to avoid extra cl_ntoh/hton
67            required for working with the MAD field */
68         p_svcr->lease_period = cl_ntoh32(p_svc_rec->service_lease);
69         p_svcr->service_record = *p_svc_rec;
70 }
71
72 osm_svcr_t *osm_svcr_new(IN const ib_service_record_t * p_svc_rec)
73 {
74         osm_svcr_t *p_svcr;
75
76         CL_ASSERT(p_svc_rec);
77
78         p_svcr = (osm_svcr_t *) malloc(sizeof(*p_svcr));
79         if (p_svcr) {
80                 memset(p_svcr, 0, sizeof(*p_svcr));
81                 osm_svcr_init(p_svcr, p_svc_rec);
82         }
83
84         return p_svcr;
85 }
86
87 static cl_status_t match_rid_of_svc_rec(IN const cl_list_item_t * p_list_item,
88                                         IN void *context)
89 {
90         ib_service_record_t *p_svc_rec = (ib_service_record_t *) context;
91         osm_svcr_t *p_svcr = (osm_svcr_t *) p_list_item;
92
93         if (memcmp(&p_svcr->service_record, p_svc_rec,
94                    sizeof(p_svc_rec->service_id) +
95                    sizeof(p_svc_rec->service_gid) +
96                    sizeof(p_svc_rec->service_pkey)))
97                 return CL_NOT_FOUND;
98         else
99                 return CL_SUCCESS;
100 }
101
102 osm_svcr_t *osm_svcr_get_by_rid(IN osm_subn_t const *p_subn,
103                                 IN osm_log_t * p_log,
104                                 IN ib_service_record_t * p_svc_rec)
105 {
106         cl_list_item_t *p_list_item;
107
108         OSM_LOG_ENTER(p_log);
109
110         p_list_item = cl_qlist_find_from_head(&p_subn->sa_sr_list,
111                                               match_rid_of_svc_rec, p_svc_rec);
112         if (p_list_item == cl_qlist_end(&p_subn->sa_sr_list))
113                 p_list_item = NULL;
114
115         OSM_LOG_EXIT(p_log);
116         return (osm_svcr_t *) p_list_item;
117 }
118
119 void osm_svcr_insert_to_db(IN osm_subn_t * p_subn, IN osm_log_t * p_log,
120                            IN osm_svcr_t * p_svcr)
121 {
122         OSM_LOG_ENTER(p_log);
123
124         OSM_LOG(p_log, OSM_LOG_DEBUG,
125                 "Inserting new Service Record into Database\n");
126
127         cl_qlist_insert_head(&p_subn->sa_sr_list, &p_svcr->list_item);
128         p_subn->p_osm->sa.dirty = TRUE;
129
130         OSM_LOG_EXIT(p_log);
131 }
132
133 void osm_svcr_remove_from_db(IN osm_subn_t * p_subn, IN osm_log_t * p_log,
134                              IN osm_svcr_t * p_svcr)
135 {
136         OSM_LOG_ENTER(p_log);
137
138         OSM_LOG(p_log, OSM_LOG_DEBUG,
139                 "Removing Service Record Name:%s ID:0x%016" PRIx64
140                 " from Database\n", p_svcr->service_record.service_name,
141                 cl_ntoh64(p_svcr->service_record.service_id));
142
143         cl_qlist_remove_item(&p_subn->sa_sr_list, &p_svcr->list_item);
144         p_subn->p_osm->sa.dirty = TRUE;
145
146         OSM_LOG_EXIT(p_log);
147 }