1/*
2 * Copyright (c) 2006-2009 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_guid_mgr_t.
39 * This object implements the GUID manager 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_debug.h>
50#include <complib/cl_qlist.h>
51#include <opensm/osm_file_ids.h>
52#define FILE_ID OSM_FILE_GUID_MGR_C
53#include <opensm/osm_port.h>
54#include <opensm/osm_node.h>
55#include <opensm/osm_guid.h>
56#include <opensm/osm_opensm.h>
57
58static void guidinfo_set(IN osm_sa_t *sa, IN osm_port_t *p_port,
59			 IN uint8_t block_num)
60{
61	uint8_t payload[IB_SMP_DATA_SIZE];
62	osm_madw_context_t context;
63	ib_api_status_t status;
64
65	memcpy(payload,
66	       &((*p_port->p_physp->p_guids)[block_num * GUID_TABLE_MAX_ENTRIES]),
67	       sizeof(ib_guid_info_t));
68
69	context.gi_context.node_guid = osm_node_get_node_guid(p_port->p_node);
70	context.gi_context.port_guid = osm_physp_get_port_guid(p_port->p_physp);
71	context.gi_context.set_method = TRUE;
72	context.gi_context.port_num = osm_physp_get_port_num(p_port->p_physp);
73
74	status = osm_req_set(sa->sm, osm_physp_get_dr_path_ptr(p_port->p_physp),
75			     payload, sizeof(payload), IB_MAD_ATTR_GUID_INFO,
76			     cl_hton32((uint32_t)block_num), FALSE,
77			     ib_port_info_get_m_key(&p_port->p_physp->port_info),
78					            CL_DISP_MSGID_NONE, &context);
79	if (status != IB_SUCCESS)
80		OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 5109: "
81			"Failure initiating GUIDInfo request (%s)\n",
82			ib_get_err_str(status));
83}
84
85osm_guidinfo_work_obj_t *osm_guid_work_obj_new(IN osm_port_t * p_port,
86					       IN uint8_t block_num)
87{
88	osm_guidinfo_work_obj_t *p_obj;
89
90	/*
91	   clean allocated memory to avoid assertion when trying to insert to
92	   qlist.
93	   see cl_qlist_insert_tail(): CL_ASSERT(p_list_item->p_list != p_list)
94	*/
95	p_obj = calloc(1, sizeof(*p_obj));
96	if (p_obj) {
97		p_obj->p_port = p_port;
98		p_obj->block_num = block_num;
99	}
100
101	return p_obj;
102}
103
104void osm_guid_work_obj_delete(IN osm_guidinfo_work_obj_t * p_wobj)
105{
106	free(p_wobj);
107}
108
109int osm_queue_guidinfo(IN osm_sa_t *sa, IN osm_port_t *p_port,
110		      IN uint8_t block_num)
111{
112	osm_guidinfo_work_obj_t *p_obj;
113	int status = 1;
114
115	p_obj = osm_guid_work_obj_new(p_port, block_num);
116	if (p_obj)
117		cl_qlist_insert_tail(&sa->p_subn->alias_guid_list,
118				     &p_obj->list_item);
119	else {
120		OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 510F: "
121			"Memory allocation of guid work object failed\n");
122		status = 0;
123	}
124
125	return status;
126}
127
128void osm_guid_mgr_process(IN osm_sm_t * sm) {
129	osm_guidinfo_work_obj_t *p_obj;
130
131	OSM_LOG_ENTER(sm->p_log);
132
133	OSM_LOG(sm->p_log, OSM_LOG_DEBUG, "Processing alias guid list\n");
134
135	CL_PLOCK_EXCL_ACQUIRE(sm->p_lock);
136	while (cl_qlist_count(&sm->p_subn->alias_guid_list)) {
137		p_obj = (osm_guidinfo_work_obj_t *) cl_qlist_remove_head(&sm->p_subn->alias_guid_list);
138		guidinfo_set(&sm->p_subn->p_osm->sa, p_obj->p_port,
139			     p_obj->block_num);
140		osm_guid_work_obj_delete(p_obj);
141	}
142
143	CL_PLOCK_RELEASE(sm->p_lock);
144	OSM_LOG_EXIT(sm->p_log);
145}
146