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 osm_nd_rcv_t. 39 * This object represents the NodeDescription Receiver object. 40 * This object is part of the opensm family of objects. 41 */ 42 43#if HAVE_CONFIG_H 44# include <config.h> 45#endif /* HAVE_CONFIG_H */ 46 47#include <string.h> 48#include <iba/ib_types.h> 49#include <complib/cl_qmap.h> 50#include <complib/cl_passivelock.h> 51#include <complib/cl_debug.h> 52#include <opensm/osm_madw.h> 53#include <opensm/osm_log.h> 54#include <opensm/osm_node.h> 55#include <opensm/osm_opensm.h> 56#include <opensm/osm_subnet.h> 57 58/********************************************************************** 59 **********************************************************************/ 60static void 61__osm_nd_rcv_process_nd(IN osm_sm_t * sm, 62 IN osm_node_t * const p_node, 63 IN const ib_node_desc_t * const p_nd) 64{ 65 char *tmp_desc; 66 char print_desc[IB_NODE_DESCRIPTION_SIZE + 1]; 67 68 OSM_LOG_ENTER(sm->p_log); 69 70 memcpy(&p_node->node_desc.description, p_nd, sizeof(*p_nd)); 71 72 /* also set up a printable version */ 73 memcpy(print_desc, p_nd, sizeof(*p_nd)); 74 print_desc[IB_NODE_DESCRIPTION_SIZE] = '\0'; 75 tmp_desc = remap_node_name(sm->p_subn->p_osm->node_name_map, 76 cl_ntoh64(osm_node_get_node_guid(p_node)), 77 print_desc); 78 79 /* make a copy for this node to "own" */ 80 if (p_node->print_desc) 81 free(p_node->print_desc); 82 p_node->print_desc = tmp_desc; 83 84 OSM_LOG(sm->p_log, OSM_LOG_VERBOSE, 85 "Node 0x%" PRIx64 "\n\t\t\t\tDescription = %s\n", 86 cl_ntoh64(osm_node_get_node_guid(p_node)), p_node->print_desc); 87 88 OSM_LOG_EXIT(sm->p_log); 89} 90 91/********************************************************************** 92 **********************************************************************/ 93void osm_nd_rcv_process(IN void *context, IN void *data) 94{ 95 osm_sm_t *sm = context; 96 osm_madw_t *p_madw = data; 97 ib_node_desc_t *p_nd; 98 ib_smp_t *p_smp; 99 osm_node_t *p_node; 100 ib_net64_t node_guid; 101 102 CL_ASSERT(sm); 103 104 OSM_LOG_ENTER(sm->p_log); 105 106 CL_ASSERT(p_madw); 107 108 p_smp = osm_madw_get_smp_ptr(p_madw); 109 p_nd = (ib_node_desc_t *) ib_smp_get_payload_ptr(p_smp); 110 111 /* 112 Acquire the node object and add the node description. 113 */ 114 115 node_guid = osm_madw_get_nd_context_ptr(p_madw)->node_guid; 116 CL_PLOCK_EXCL_ACQUIRE(sm->p_lock); 117 p_node = osm_get_node_by_guid(sm->p_subn, node_guid); 118 if (!p_node) { 119 OSM_LOG(sm->p_log, OSM_LOG_ERROR, "ERR 0B01: " 120 "NodeDescription received for nonexistent node " 121 "0x%" PRIx64 "\n", cl_ntoh64(node_guid)); 122 } else { 123 __osm_nd_rcv_process_nd(sm, p_node, p_nd); 124 } 125 126 CL_PLOCK_RELEASE(sm->p_lock); 127 OSM_LOG_EXIT(sm->p_log); 128} 129