/usr/include/infiniband/opensm/osm_mesh.h is in libopensm-dev 3.3.20-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (c) 2008 Voltaire, Inc. All rights reserved.
* Copyright (c) 2008,2009 System Fabric Works, Inc. 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:
* Declarations for mesh analysis
*/
#ifndef OSM_MESH_H
#define OSM_MESH_H
struct _lash;
struct _switch;
/*
* per switch to switch link info
*/
typedef struct _link {
int switch_id;
int link_id;
int next_port;
int num_ports;
int ports[0];
} link_t;
/*
* per switch node mesh info
*/
typedef struct _mesh_node {
int *axes; /* used to hold and reorder assigned axes */
int *coord; /* mesh coordinates of switch */
int **matrix; /* distances between adjacant switches */
int *poly; /* characteristic polynomial of matrix */
/* used as an invariant classification */
int dimension; /* apparent dimension of mesh around node */
int temp; /* temporary holder for distance info */
int type; /* index of node type in mesh_info array */
unsigned int num_links; /* number of 'links' to adjacent switches */
link_t *links[0]; /* per link information */
} mesh_node_t;
void osm_mesh_node_delete(struct _lash *p_lash, struct _switch *sw);
int osm_mesh_node_create(struct _lash *p_lash, struct _switch *sw);
int osm_do_mesh_analysis(struct _lash *p_lash);
#endif
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