contrib/ofed/management/opensm/opensm/osm_service.c

   1 /*
   2  * Copyright (c) 2004-2008 Voltaire, Inc. All rights reserved.
   3  * Copyright (c) 2002-2005 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_service.h>
  49
  50 /**********************************************************************
  51  **********************************************************************/
  52 void osm_svcr_delete(IN osm_svcr_t * const p_svcr)
  53 {
  54         free(p_svcr);
  55 }
  56
  57 /**********************************************************************
  58  **********************************************************************/
  59 void
  60 osm_svcr_init(IN osm_svcr_t * const p_svcr,
  61               IN const ib_service_record_t * p_svc_rec)
  62 {
  63         CL_ASSERT(p_svcr);
  64
  65         p_svcr->modified_time = cl_get_time_stamp_sec();
  66
  67         /* We track the time left for this service in
  68            an external field to avoid extra cl_ntoh/hton
  69            required for working with the MAD field */
  70         p_svcr->lease_period = cl_ntoh32(p_svc_rec->service_lease);
  71         p_svcr->service_record = *p_svc_rec;
  72 }
  73
  74 /**********************************************************************
  75  **********************************************************************/
  76 osm_svcr_t *osm_svcr_new(IN const ib_service_record_t * p_svc_rec)
  77 {
  78         osm_svcr_t *p_svcr;
  79
  80         CL_ASSERT(p_svc_rec);
  81
  82         p_svcr = (osm_svcr_t *) malloc(sizeof(*p_svcr));
  83         if (p_svcr) {
  84                 memset(p_svcr, 0, sizeof(*p_svcr));
  85                 osm_svcr_init(p_svcr, p_svc_rec);
  86         }
  87
  88         return (p_svcr);
  89 }
  90
  91 /**********************************************************************
  92  **********************************************************************/
  93 static
  94     cl_status_t
  95 __match_rid_of_svc_rec(IN const cl_list_item_t * const p_list_item,
  96                        IN void *context)
  97 {
  98         ib_service_record_t *p_svc_rec = (ib_service_record_t *) context;
  99         osm_svcr_t *p_svcr = (osm_svcr_t *) p_list_item;
 100         int32_t count;
 101
 102         count = memcmp(&p_svcr->service_record,
 103                        p_svc_rec,
 104                        sizeof(p_svc_rec->service_id) +
 105                        sizeof(p_svc_rec->service_gid) +
 106                        sizeof(p_svc_rec->service_pkey));
 107
 108         if (count == 0)
 109                 return CL_SUCCESS;
 110         else
 111                 return CL_NOT_FOUND;
 112
 113 }
 114
 115 /**********************************************************************
 116  **********************************************************************/
 117 osm_svcr_t *osm_svcr_get_by_rid(IN osm_subn_t const *p_subn,
 118                                 IN osm_log_t * p_log,
 119                                 IN ib_service_record_t * const p_svc_rec)
 120 {
 121         cl_list_item_t *p_list_item;
 122
 123         OSM_LOG_ENTER(p_log);
 124
 125         p_list_item = cl_qlist_find_from_head(&p_subn->sa_sr_list,
 126                                               __match_rid_of_svc_rec,
 127                                               p_svc_rec);
 128
 129         if (p_list_item == cl_qlist_end(&p_subn->sa_sr_list))
 130                 p_list_item = NULL;
 131
 132         OSM_LOG_EXIT(p_log);
 133         return (osm_svcr_t *) p_list_item;
 134 }
 135
 136 /**********************************************************************
 137  **********************************************************************/
 138 void
 139 osm_svcr_insert_to_db(IN osm_subn_t * p_subn,
 140                       IN osm_log_t * p_log, IN osm_svcr_t * p_svcr)
 141 {
 142         OSM_LOG_ENTER(p_log);
 143
 144         OSM_LOG(p_log, OSM_LOG_DEBUG,
 145                 "Inserting new Service Record into Database\n");
 146
 147         cl_qlist_insert_head(&p_subn->sa_sr_list, &p_svcr->list_item);
 148
 149         OSM_LOG_EXIT(p_log);
 150 }
 151
 152 void
 153 osm_svcr_remove_from_db(IN osm_subn_t * p_subn,
 154                         IN osm_log_t * p_log, IN osm_svcr_t * p_svcr)
 155 {
 156         OSM_LOG_ENTER(p_log);
 157
 158         OSM_LOG(p_log, OSM_LOG_DEBUG,
 159                 "Removing Service Record Name:%s ID:0x%016" PRIx64
 160                 " from Database\n", p_svcr->service_record.service_name,
 161                 p_svcr->service_record.service_id);
 162
 163         cl_qlist_remove_item(&p_subn->sa_sr_list, &p_svcr->list_item);
 164
 165         OSM_LOG_EXIT(p_log);
 166 }