/*
* Copyright (c) 2006-2009 Voltaire, Inc. All rights reserved.
* Copyright (c) 2002-2012 Mellanox Technologies LTD. All rights reserved.
* Copyright (c) 1996-2003 Intel Corporation. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
* General Public License (GPL) Version 2, available from the file
* COPYING in the main directory of this source tree, or the
* OpenIB.org BSD license below:
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
*/
/*
* Abstract:
* Implementation of osm_guid_mgr_t.
* This object implements the GUID manager object.
* This object is part of the opensm family of objects.
*/
#if HAVE_CONFIG_H
# include <config.h>
#endif /* HAVE_CONFIG_H */
#include <string.h>
#include <iba/ib_types.h>
#include <complib/cl_debug.h>
#include <complib/cl_qlist.h>
#include <opensm/osm_file_ids.h>
#define FILE_ID OSM_FILE_GUID_MGR_C
#include <opensm/osm_port.h>
#include <opensm/osm_node.h>
#include <opensm/osm_guid.h>
#include <opensm/osm_opensm.h>
static void guidinfo_set(IN osm_sa_t *sa, IN osm_port_t *p_port,
IN uint8_t block_num)
{
uint8_t payload[IB_SMP_DATA_SIZE];
osm_madw_context_t context;
ib_api_status_t status;
memcpy(payload,
&((*p_port->p_physp->p_guids)[block_num * GUID_TABLE_MAX_ENTRIES]),
sizeof(ib_guid_info_t));
context.gi_context.node_guid = osm_node_get_node_guid(p_port->p_node);
context.gi_context.port_guid = osm_physp_get_port_guid(p_port->p_physp);
context.gi_context.set_method = TRUE;
context.gi_context.port_num = osm_physp_get_port_num(p_port->p_physp);
status = osm_req_set(sa->sm, osm_physp_get_dr_path_ptr(p_port->p_physp),
payload, sizeof(payload), IB_MAD_ATTR_GUID_INFO,
cl_hton32((uint32_t)block_num), FALSE,
ib_port_info_get_m_key(&p_port->p_physp->port_info),
0, CL_DISP_MSGID_NONE, &context);
if (status != IB_SUCCESS)
OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 5109: "
"Failure initiating GUIDInfo request (%s)\n",
ib_get_err_str(status));
}
osm_guidinfo_work_obj_t *osm_guid_work_obj_new(IN osm_port_t * p_port,
IN uint8_t block_num)
{
osm_guidinfo_work_obj_t *p_obj;
/*
clean allocated memory to avoid assertion when trying to insert to
qlist.
see cl_qlist_insert_tail(): CL_ASSERT(p_list_item->p_list != p_list)
*/
p_obj = calloc(1, sizeof(*p_obj));
if (p_obj) {
p_obj->p_port = p_port;
p_obj->block_num = block_num;
}
return p_obj;
}
void osm_guid_work_obj_delete(IN osm_guidinfo_work_obj_t * p_wobj)
{
free(p_wobj);
}
int osm_queue_guidinfo(IN osm_sa_t *sa, IN osm_port_t *p_port,
IN uint8_t block_num)
{
osm_guidinfo_work_obj_t *p_obj;
int status = 1;
p_obj = osm_guid_work_obj_new(p_port, block_num);
if (p_obj)
cl_qlist_insert_tail(&sa->p_subn->alias_guid_list,
&p_obj->list_item);
else {
OSM_LOG(sa->p_log, OSM_LOG_ERROR, "ERR 510F: "
"Memory allocation of guid work object failed\n");
status = 0;
}
return status;
}
void osm_guid_mgr_process(IN osm_sm_t * sm) {
osm_guidinfo_work_obj_t *p_obj;
OSM_LOG_ENTER(sm->p_log);
OSM_LOG(sm->p_log, OSM_LOG_DEBUG, "Processing alias guid list\n");
CL_PLOCK_EXCL_ACQUIRE(sm->p_lock);
while (cl_qlist_count(&sm->p_subn->alias_guid_list)) {
p_obj = (osm_guidinfo_work_obj_t *) cl_qlist_remove_head(&sm->p_subn->alias_guid_list);
guidinfo_set(&sm->p_subn->p_osm->sa, p_obj->p_port,
p_obj->block_num);
osm_guid_work_obj_delete(p_obj);
}
CL_PLOCK_RELEASE(sm->p_lock);
OSM_LOG_EXIT(sm->p_log);
}