1 /*
2  * Copyright (c) 2004-2009 Voltaire, Inc. All rights reserved.
3  * Copyright (c) 2002-2012 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_gi_rcv_t.
39  * This object represents the GUIDInfo 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 <stdlib.h>
49 #include <iba/ib_types.h>
50 #include <complib/cl_qmap.h>
51 #include <complib/cl_passivelock.h>
52 #include <complib/cl_debug.h>
53 #include <opensm/osm_file_ids.h>
54 #define FILE_ID OSM_FILE_GUID_INFO_RCV_C
55 #include <vendor/osm_vendor_api.h>
56 #include <opensm/osm_madw.h>
57 #include <opensm/osm_log.h>
58 #include <opensm/osm_node.h>
59 #include <opensm/osm_subnet.h>
60 #include <opensm/osm_mad_pool.h>
61 #include <opensm/osm_msgdef.h>
62 #include <opensm/osm_helper.h>
63 #include <opensm/osm_remote_sm.h>
64 #include <opensm/osm_opensm.h>
65 
osm_gi_rcv_process(IN void * context,IN void * data)66 void osm_gi_rcv_process(IN void *context, IN void *data)
67 {
68 	osm_sm_t *sm = context;
69 	osm_madw_t *p_madw = data;
70 	ib_guid_info_t *p_gi;
71 	ib_smp_t *p_smp;
72 	osm_port_t *p_port;
73 	osm_gi_context_t *p_context;
74 	ib_net64_t port_guid, node_guid;
75 	uint8_t block_num;
76 
77 	CL_ASSERT(sm);
78 
79 	OSM_LOG_ENTER(sm->p_log);
80 
81 	CL_ASSERT(p_madw);
82 
83 	p_smp = osm_madw_get_smp_ptr(p_madw);
84 	p_context = osm_madw_get_gi_context_ptr(p_madw);
85 	p_gi = ib_smp_get_payload_ptr(p_smp);
86 
87 	CL_ASSERT(p_smp->attr_id == IB_MAD_ATTR_GUID_INFO);
88 
89 	block_num = (uint8_t) cl_ntoh32(p_smp->attr_mod);
90 
91 	port_guid = p_context->port_guid;
92 	node_guid = p_context->node_guid;
93 
94 	osm_dump_guid_info_v2(sm->p_log, node_guid, port_guid, block_num, p_gi,
95 			      FILE_ID, OSM_LOG_DEBUG);
96 
97 	if (ib_smp_get_status(p_smp)) {
98 		OSM_LOG(sm->p_log, OSM_LOG_DEBUG,
99 			"MAD status 0x%x received\n",
100 			cl_ntoh16(ib_smp_get_status(p_smp)));
101 		goto Exit;
102 	}
103 
104 	CL_PLOCK_EXCL_ACQUIRE(sm->p_lock);
105 	p_port = osm_get_port_by_guid(sm->p_subn, port_guid);
106 	if (!p_port) {
107 		CL_PLOCK_RELEASE(sm->p_lock);
108 		OSM_LOG(sm->p_log, OSM_LOG_ERROR, "ERR 4701: "
109 			"No port object for port with GUID 0x%" PRIx64
110 			"\n\t\t\t\tfor parent node GUID 0x%" PRIx64
111 			", TID 0x%" PRIx64 "\n",
112 			cl_ntoh64(port_guid), cl_ntoh64(node_guid),
113 			cl_ntoh64(p_smp->trans_id));
114 		goto Exit;
115 	}
116 
117 	CL_PLOCK_RELEASE(sm->p_lock);
118 
119 Exit:
120 	/*
121 	   Release the lock before jumping here!!
122 	 */
123 	OSM_LOG_EXIT(sm->p_log);
124 }
125