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/*
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* Copyright (c) 2004-2009 Voltaire, Inc. All rights reserved.
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* Copyright (c) 2002-2005 Mellanox Technologies LTD. All rights reserved.
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* Copyright (c) 1996-2003 Intel Corporation. All rights reserved.
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*
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* This software is available to you under a choice of one of two
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* licenses. You may choose to be licensed under the terms of the GNU
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* General Public License (GPL) Version 2, available from the file
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* COPYING in the main directory of this source tree, or the
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* OpenIB.org BSD license below:
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*
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* Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions are met:
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*
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* - Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the following
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* disclaimer.
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*
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* - Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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*/
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/*
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* Abstract:
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* Implementation of osm_mad_pool_t.
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* This object represents a pool of management datagram (MAD) objects.
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* This object is part of the opensm family of objects.
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*/
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#if HAVE_CONFIG_H
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# include <config.h>
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#endif /* HAVE_CONFIG_H */
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#include <stdlib.h>
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#include <string.h>
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#include <opensm/osm_file_ids.h>
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#define FILE_ID OSM_FILE_MAD_POOL_C
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#include <opensm/osm_mad_pool.h>
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#include <opensm/osm_madw.h>
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#include <vendor/osm_vendor_api.h>
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void osm_mad_pool_construct(IN osm_mad_pool_t * p_pool)
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{
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CL_ASSERT(p_pool);
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memset(p_pool, 0, sizeof(*p_pool));
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}
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void osm_mad_pool_destroy(IN osm_mad_pool_t * p_pool)
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{
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CL_ASSERT(p_pool);
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}
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ib_api_status_t osm_mad_pool_init(IN osm_mad_pool_t * p_pool)
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{
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p_pool->mads_out = 0;
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return IB_SUCCESS;
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}
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osm_madw_t *osm_mad_pool_get(IN osm_mad_pool_t * p_pool,
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IN osm_bind_handle_t h_bind,
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IN uint32_t total_size,
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IN const osm_mad_addr_t * p_mad_addr)
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{
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osm_madw_t *p_madw;
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ib_mad_t *p_mad;
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CL_ASSERT(h_bind != OSM_BIND_INVALID_HANDLE);
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CL_ASSERT(total_size);
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/*
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First, acquire a mad wrapper from the mad wrapper pool.
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*/
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p_madw = malloc(sizeof(*p_madw));
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if (p_madw == NULL)
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goto Exit;
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osm_madw_init(p_madw, h_bind, total_size, p_mad_addr);
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/*
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Next, acquire a wire mad of the specified size.
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*/
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p_mad = osm_vendor_get(h_bind, total_size, &p_madw->vend_wrap);
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if (p_mad == NULL) {
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/* Don't leak wrappers! */
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free(p_madw);
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p_madw = NULL;
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goto Exit;
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}
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cl_atomic_inc(&p_pool->mads_out);
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/*
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Finally, attach the wire MAD to this wrapper.
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*/
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osm_madw_set_mad(p_madw, p_mad);
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Exit:
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return p_madw;
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}
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osm_madw_t *osm_mad_pool_get_wrapper(IN osm_mad_pool_t * p_pool,
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IN osm_bind_handle_t h_bind,
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IN uint32_t total_size,
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IN const ib_mad_t * p_mad,
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IN const osm_mad_addr_t * p_mad_addr)
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{
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osm_madw_t *p_madw;
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CL_ASSERT(h_bind != OSM_BIND_INVALID_HANDLE);
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CL_ASSERT(total_size);
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CL_ASSERT(p_mad);
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/*
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First, acquire a mad wrapper from the mad wrapper pool.
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*/
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p_madw = malloc(sizeof(*p_madw));
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if (p_madw == NULL)
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goto Exit;
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/*
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Finally, initialize the wrapper object.
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*/
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cl_atomic_inc(&p_pool->mads_out);
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osm_madw_init(p_madw, h_bind, total_size, p_mad_addr);
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osm_madw_set_mad(p_madw, p_mad);
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Exit:
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return p_madw;
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}
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osm_madw_t *osm_mad_pool_get_wrapper_raw(IN osm_mad_pool_t * p_pool)
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{
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osm_madw_t *p_madw;
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p_madw = malloc(sizeof(*p_madw));
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if (!p_madw)
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return NULL;
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osm_madw_init(p_madw, NULL, 0, NULL);
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osm_madw_set_mad(p_madw, NULL);
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cl_atomic_inc(&p_pool->mads_out);
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return p_madw;
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}
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void osm_mad_pool_put(IN osm_mad_pool_t * p_pool, IN osm_madw_t * p_madw)
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{
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CL_ASSERT(p_madw);
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/*
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First, return the wire mad to the pool
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*/
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if (p_madw->p_mad)
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osm_vendor_put(p_madw->h_bind, &p_madw->vend_wrap);
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/*
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Return the mad wrapper to the wrapper pool
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*/
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free(p_madw);
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cl_atomic_dec(&p_pool->mads_out);
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}
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