1/*
2 * Copyright (c) 2008 Voltaire, Inc. All rights reserved.
3 * Copyright (c) 2008,2009 System Fabric Works, Inc. All rights reserved.
4 *
5 * This software is available to you under a choice of one of two
6 * licenses.  You may choose to be licensed under the terms of the GNU
7 * General Public License (GPL) Version 2, available from the file
8 * COPYING in the main directory of this source tree, or the
9 * OpenIB.org BSD license below:
10 *
11 *     Redistribution and use in source and binary forms, with or
12 *     without modification, are permitted provided that the following
13 *     conditions are met:
14 *
15 *      - Redistributions of source code must retain the above
16 *        copyright notice, this list of conditions and the following
17 *        disclaimer.
18 *
19 *      - Redistributions in binary form must reproduce the above
20 *        copyright notice, this list of conditions and the following
21 *        disclaimer in the documentation and/or other materials
22 *        provided with the distribution.
23 *
24 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
25 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
26 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
27 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
28 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
29 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
30 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
31 * SOFTWARE.
32 *
33 */
34
35/*
36 * Abstract:
37 *      Declarations for mesh analysis
38 */
39
40#ifndef OSM_MESH_H
41#define OSM_MESH_H
42
43struct _lash;
44struct _switch;
45
46/*
47 * per switch to switch link info
48 */
49typedef struct _link {
50	int switch_id;
51	int link_id;
52	int next_port;
53	int num_ports;
54	int ports[0];
55} link_t;
56
57/*
58 * per switch node mesh info
59 */
60typedef struct _mesh_node {
61	int *axes;			/* used to hold and reorder assigned axes */
62	int *coord;			/* mesh coordinates of switch */
63	int **matrix;			/* distances between adjacant switches */
64	int *poly;			/* characteristic polynomial of matrix */
65					/* used as an invariant classification */
66	int dimension;			/* apparent dimension of mesh around node */
67	int temp;			/* temporary holder for distance info */
68	int type;			/* index of node type in mesh_info array */
69	unsigned int num_links;		/* number of 'links' to adjacent switches */
70	link_t *links[0];		/* per link information */
71} mesh_node_t;
72
73void osm_mesh_node_delete(struct _lash *p_lash, struct _switch *sw);
74int osm_mesh_node_create(struct _lash *p_lash, struct _switch *sw);
75int osm_do_mesh_analysis(struct _lash *p_lash);
76
77#endif
78