osm_guid_info_rcv.c revision 331769 
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
66void 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
119Exit:
120	/*
121	   Release the lock before jumping here!!
122	 */
123	OSM_LOG_EXIT(sm->p_log);
124}
125