xref: /freebsd/contrib/ofed/opensm/include/opensm/osm_mcm_port.h (revision 87181516ef48be852d5e5fee53c6e0dbfc62f21e)
1 /*
2  * Copyright (c) 2004-2009 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  * 	Declaration of osm_mcm_port_t.
39  *	This object represents the membership of a port in a multicast group.
40  *	This object is part of the OpenSM family of objects.
41  */
42 
43 #ifndef _OSM_MCM_PORT_H_
44 #define _OSM_MCM_PORT_H_
45 
46 #include <iba/ib_types.h>
47 #include <complib/cl_qmap.h>
48 #include <opensm/osm_base.h>
49 #include <opensm/osm_port.h>
50 
51 #ifdef __cplusplus
52 #  define BEGIN_C_DECLS extern "C" {
53 #  define END_C_DECLS   }
54 #else				/* !__cplusplus */
55 #  define BEGIN_C_DECLS
56 #  define END_C_DECLS
57 #endif				/* __cplusplus */
58 
59 BEGIN_C_DECLS
60 
61 struct osm_mgrp;
62 
63 /****s* OpenSM: MCM Port Object/osm_mcm_port_t
64 * NAME
65 * 	osm_mcm_port_t
66 *
67 * DESCRIPTION
68 * 	This object represents a particular port as a member of a
69 *	multicast group.
70 *
71 *	This object should be treated as opaque and should
72 *	be manipulated only through the provided functions.
73 *
74 * SYNOPSIS
75 */
76 typedef struct osm_mcm_port {
77 	cl_map_item_t map_item;
78 	cl_list_item_t list_item;
79 	osm_port_t *port;
80 	struct osm_mgrp *mgrp;
81 } osm_mcm_port_t;
82 /*
83 * FIELDS
84 *	map_item
85 *		Map Item for qmap linkage.  Must be first element!!
86 *
87 *	list_item
88 *		Linkage structure for cl_qlist.
89 *
90 *	port
91 *		Reference to the parent port
92 *
93 *	mgrp
94 *		The pointer to multicast group where this port is member of
95 *
96 * SEE ALSO
97 *	MCM Port Object
98 *********/
99 
100 /****f* OpenSM: MCM Port Object/osm_mcm_port_new
101 * NAME
102 *	osm_mcm_port_new
103 *
104 * DESCRIPTION
105 *	The osm_mcm_port_new function allocates and initializes a
106 *	MCM Port Object for use.
107 *
108 * SYNOPSIS
109 */
110 osm_mcm_port_t *osm_mcm_port_new(IN osm_port_t * port, IN struct osm_mgrp *mgrp);
111 /*
112 * PARAMETERS
113 *	port
114 *		[in] Pointer to the port object
115 *
116 *	mgrp
117 *		[in] Pointer to multicast group where this port is joined
118 *
119 * RETURN VALUES
120 *	Pointer to the allocated and initialized MCM Port object.
121 *
122 * NOTES
123 *
124 * SEE ALSO
125 *	MCM Port Object, osm_mcm_port_delete,
126 *********/
127 
128 /****f* OpenSM: MCM Port Object/osm_mcm_port_delete
129 * NAME
130 *	osm_mcm_port_delete
131 *
132 * DESCRIPTION
133 *	The osm_mcm_port_delete function destroys and dellallocates an
134 *	MCM Port Object, releasing all resources.
135 *
136 * SYNOPSIS
137 */
138 void osm_mcm_port_delete(IN osm_mcm_port_t * p_mcm);
139 /*
140 * PARAMETERS
141 *	p_mcm
142 *		[in] Pointer to a MCM Port Object to delete.
143 *
144 * RETURN VALUE
145 *	This function does not return a value.
146 *
147 * NOTES
148 *
149 * SEE ALSO
150 *	MCM Port Object, osm_mcm_port_new
151 *********/
152 
153 /****s* OpenSM: MCM Port Object/osm_mcm_alias_guid_t
154 * NAME
155 *	osm_mcm_alias_guid_t
156 *
157 * DESCRIPTION
158 *	This object represents an alias guid for a mcm port.
159 *
160 *	The osm_mcm_alias_guid_t object should be treated as opaque and should
161 *	be manipulated only through the provided functions.
162 *
163 * SYNOPSIS
164 */
165 typedef struct osm_mcm_alias_guid {
166 	cl_map_item_t map_item;
167 	ib_net64_t alias_guid;
168 	osm_mcm_port_t *p_base_mcm_port;
169 	ib_gid_t port_gid;
170 	uint8_t scope_state;
171 	boolean_t proxy_join;
172 } osm_mcm_alias_guid_t;
173 /*
174 * FIELDS
175 *	map_item
176 *		Linkage structure for cl_qmap.  MUST BE FIRST MEMBER!
177 *
178 *	alias_guid
179 *		Alias GUID for port obtained from SM GUIDInfo attribute
180 *
181 *	p_base_mcm_port
182 *		Pointer to osm_mcm_port_t for base port GUID
183 *
184 *	port_gid
185 *		GID of the member port
186 *
187 *	scope_state
188 *
189 *	proxy_join
190 *		If FALSE - Join was performed by the endport identified
191 *		by PortGID. If TRUE - Join was performed on behalf of
192 *		the endport identified by PortGID by another port within
193 *		the same partition.
194 *
195 * SEE ALSO
196 *	MCM Port, Physical Port, Physical Port Table
197 */
198 
199 /****f* OpenSM: MCM Port Object/osm_mcm_alias_guid_new
200 * NAME
201 *	osm_mcm_alias_guid_new
202 *
203 * DESCRIPTION
204 *	This function allocates and initializes an mcm alias guid object.
205 *
206 * SYNOPSIS
207 */
208 osm_mcm_alias_guid_t *osm_mcm_alias_guid_new(IN osm_mcm_port_t *p_base_mcm_port,
209 					     IN ib_member_rec_t *mcmr,
210 					     IN boolean_t proxy);
211 /*
212 * PARAMETERS
213 *	p_base_mcm_port
214 *		[in] Pointer to the mcm port for this base GUID
215 *
216 *	mcmr
217 *		[in] Pointer to MCMember record of the join request
218 *
219 *	proxy
220 *		[in] proxy_join state analyzed from the request
221 *
222 * RETURN VALUE
223 *	Pointer to the initialized mcm alias guid object.
224 *
225 * NOTES
226 *	Allows calling other mcm alias guid methods.
227 *
228 * SEE ALSO
229 *       MCM Port Object
230 *********/
231 
232 /****f* OpenSM: MCM Port Object/osm_mcm_alias_guid_delete
233 * NAME
234 *	osm_mcm_alias_guid_delete
235 *
236 * DESCRIPTION
237 *	This function destroys and deallocates an mcm alias guid object.
238 *
239 * SYNOPSIS
240 */
241 void osm_mcm_alias_guid_delete(IN OUT osm_mcm_alias_guid_t ** pp_mcm_alias_guid);
242 /*
243 * PARAMETERS
244 *	pp_mcm_alias_guid
245 *		[in][out] Pointer to a pointer to an mcm alias guid object to
246 *		delete. On return, this pointer is NULL.
247 *
248 * RETURN VALUE
249 *	This function does not return a value.
250 *
251 * NOTES
252 *	Performs any necessary cleanup of the specified mcm alias guid object.
253 *
254 * SEE ALSO
255 *	MCM Port Object
256 *********/
257 
258 END_C_DECLS
259 #endif				/* _OSM_MCM_PORT_H_ */
260