1 /*
2  * Copyright (c) 2004-2009 Voltaire, Inc. All rights reserved.
3  * Copyright (c) 2002-2005 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_sa_mad_ctrl_t.
39  *	This object represents a controller that receives the IBA SA
40  *	attributes from a node.
41  *	This object is part of the OpenSM family of objects.
42  */
43 
44 #ifndef _OSM_SA_MAD_CTRL_H_
45 #define _OSM_SA_MAD_CTRL_H_
46 
47 #include <complib/cl_dispatcher.h>
48 #include <opensm/osm_stats.h>
49 #include <opensm/osm_subnet.h>
50 #include <opensm/osm_madw.h>
51 #include <opensm/osm_mad_pool.h>
52 #include <opensm/osm_log.h>
53 
54 #ifdef __cplusplus
55 #  define BEGIN_C_DECLS extern "C" {
56 #  define END_C_DECLS   }
57 #else				/* !__cplusplus */
58 #  define BEGIN_C_DECLS
59 #  define END_C_DECLS
60 #endif				/* __cplusplus */
61 
62 BEGIN_C_DECLS
63 /****h* OpenSM/SA MAD Controller
64 * NAME
65 *	SA MAD Controller
66 *
67 * DESCRIPTION
68 *	The SA MAD Controller object encapsulates
69 *	the information	needed to receive MADs from the transport layer.
70 *
71 *	The SA MAD Controller object is thread safe.
72 *
73 *	This object should be treated as opaque and should be
74 *	manipulated only through the provided functions.
75 *
76 * AUTHOR
77 *	Ranjit Pandit, Intel
78 *
79 *********/
80 
81 struct osm_sa;
82 /****s* OpenSM: SA MAD Controller/osm_sa_mad_ctrl_t
83 * NAME
84 *	osm_sa_mad_ctrl_t
85 *
86 * DESCRIPTION
87 *	SA MAD Controller structure.
88 *
89 *	This object should be treated as opaque and should
90 *	be manipulated only through the provided functions.
91 *
92 * SYNOPSIS
93 */
94 typedef struct osm_sa_mad_ctrl {
95 	struct osm_sa *sa;
96 	osm_log_t *p_log;
97 	osm_mad_pool_t *p_mad_pool;
98 	osm_vendor_t *p_vendor;
99 	osm_bind_handle_t h_bind;
100 	cl_dispatcher_t *p_disp;
101 	cl_dispatcher_t *p_set_disp;
102 	cl_disp_reg_handle_t h_disp;
103 	cl_disp_reg_handle_t h_set_disp;
104 	osm_stats_t *p_stats;
105 	osm_subn_t *p_subn;
106 } osm_sa_mad_ctrl_t;
107 /*
108 * FIELDS
109 *	sa
110 *		Pointer to the SA object.
111 *
112 *	p_log
113 *		Pointer to the log object.
114 *
115 *	p_mad_pool
116 *		Pointer to the MAD pool.
117 *
118 *	p_vendor
119 *		Pointer to the vendor specific interfaces object.
120 *
121 *	h_bind
122 *		Bind handle returned by the transport layer.
123 *
124 *	p_disp
125 *		Pointer to the Dispatcher.
126 *
127 *	p_set_disp
128 *		Pointer to the Dispatcher for Set requests.
129 *
130 *	h_disp
131 *		Handle returned from dispatcher registration.
132 *
133 *	h_set_disp
134 *		Handle returned from Set requests dispatcher registration.
135 *
136 *	p_stats
137 *		Pointer to the OpenSM statistics block.
138 *
139 * SEE ALSO
140 *	SA MAD Controller object
141 *	SA MADr object
142 *********/
143 
144 /****f* OpenSM: SA MAD Controller/osm_sa_mad_ctrl_construct
145 * NAME
146 *	osm_sa_mad_ctrl_construct
147 *
148 * DESCRIPTION
149 *	This function constructs a SA MAD Controller object.
150 *
151 * SYNOPSIS
152 */
153 void osm_sa_mad_ctrl_construct(IN osm_sa_mad_ctrl_t * p_ctrl);
154 /*
155 * PARAMETERS
156 *	p_ctrl
157 *		[in] Pointer to a SA MAD Controller
158 *		object to construct.
159 *
160 * RETURN VALUE
161 *	This function does not return a value.
162 *
163 * NOTES
164 *	Allows calling osm_sa_mad_ctrl_init, and osm_sa_mad_ctrl_destroy.
165 *
166 *	Calling osm_sa_mad_ctrl_construct is a prerequisite to calling any other
167 *	method except osm_sa_mad_ctrl_init.
168 *
169 * SEE ALSO
170 *	SA MAD Controller object, osm_sa_mad_ctrl_init,
171 *	osm_sa_mad_ctrl_destroy
172 *********/
173 
174 /****f* OpenSM: SA MAD Controller/osm_sa_mad_ctrl_destroy
175 * NAME
176 *	osm_sa_mad_ctrl_destroy
177 *
178 * DESCRIPTION
179 *	The osm_sa_mad_ctrl_destroy function destroys the object, releasing
180 *	all resources.
181 *
182 * SYNOPSIS
183 */
184 void osm_sa_mad_ctrl_destroy(IN osm_sa_mad_ctrl_t * p_ctrl);
185 /*
186 * PARAMETERS
187 *	p_ctrl
188 *		[in] Pointer to the object to destroy.
189 *
190 * RETURN VALUE
191 *	This function does not return a value.
192 *
193 * NOTES
194 *	Performs any necessary cleanup of the specified
195 *	SA MAD Controller object.
196 *	Further operations should not be attempted on the destroyed object.
197 *	This function should only be called after a call to
198 *	osm_sa_mad_ctrl_construct or osm_sa_mad_ctrl_init.
199 *
200 * SEE ALSO
201 *	SA MAD Controller object, osm_sa_mad_ctrl_construct,
202 *	osm_sa_mad_ctrl_init
203 *********/
204 
205 /****f* OpenSM: SA MAD Controller/osm_sa_mad_ctrl_init
206 * NAME
207 *	osm_sa_mad_ctrl_init
208 *
209 * DESCRIPTION
210 *	The osm_sa_mad_ctrl_init function initializes a
211 *	SA MAD Controller object for use.
212 *
213 * SYNOPSIS
214 */
215 ib_api_status_t osm_sa_mad_ctrl_init(IN osm_sa_mad_ctrl_t * p_ctrl,
216 				     IN struct osm_sa * sa,
217 				     IN osm_mad_pool_t * p_mad_pool,
218 				     IN osm_vendor_t * p_vendor,
219 				     IN osm_subn_t * p_subn,
220 				     IN osm_log_t * p_log,
221 				     IN osm_stats_t * p_stats,
222 				     IN cl_dispatcher_t * p_disp,
223 				     IN cl_dispatcher_t * p_set_disp);
224 /*
225 * PARAMETERS
226 *	p_ctrl
227 *		[in] Pointer to an osm_sa_mad_ctrl_t object to initialize.
228 *
229 *	sa
230 *		[in] Pointer to the SA object.
231 *
232 *	p_mad_pool
233 *		[in] Pointer to the MAD pool.
234 *
235 *	p_vendor
236 *		[in] Pointer to the vendor specific interfaces object.
237 *
238 *	p_log
239 *		[in] Pointer to the log object.
240 *
241 *	p_stats
242 *		[in] Pointer to the OpenSM stastics block.
243 *
244 *	p_disp
245 *		[in] Pointer to the OpenSM central Dispatcher.
246 *
247 *	p_set_disp
248 *		[in] Pointer to the OpenSM Dispatcher for Set requests.
249 *
250 * RETURN VALUES
251 *	IB_SUCCESS if the SA MAD Controller object was initialized
252 *	successfully.
253 *
254 * NOTES
255 *	Allows calling other SA MAD Controller methods.
256 *
257 * SEE ALSO
258 *	SA MAD Controller object, osm_sa_mad_ctrl_construct,
259 *	osm_sa_mad_ctrl_destroy
260 *********/
261 
262 /****f* OpenSM: SA/osm_sa_mad_ctrl_bind
263 * NAME
264 *	osm_sa_mad_ctrl_bind
265 *
266 * DESCRIPTION
267 *	Binds the SA MAD Controller object to a port guid.
268 *
269 * SYNOPSIS
270 */
271 ib_api_status_t osm_sa_mad_ctrl_bind(IN osm_sa_mad_ctrl_t * p_ctrl,
272 				     IN ib_net64_t port_guid);
273 /*
274 * PARAMETERS
275 *	p_ctrl
276 *		[in] Pointer to an osm_sa_mad_ctrl_t object to initialize.
277 *
278 *	port_guid
279 *		[in] Local port GUID with which to bind.
280 *
281 *
282 * RETURN VALUES
283 *	None
284 *
285 * NOTES
286 *	A given SA MAD Controller object can only be bound to one
287 *	port at a time.
288 *
289 * SEE ALSO
290 *********/
291 
292 /****f* OpenSM: SA/osm_sa_mad_ctrl_unbind
293 * NAME
294 *	osm_sa_mad_ctrl_unbind
295 *
296 * DESCRIPTION
297 *	Un-Binds the SA MAD Controller object from the IB port
298 *
299 * SYNOPSIS
300 */
301 ib_api_status_t osm_sa_mad_ctrl_unbind(IN osm_sa_mad_ctrl_t * p_ctrl);
302 /*
303 * PARAMETERS
304 *	p_ctrl
305 *		[in] Pointer to an osm_sa_mad_ctrl_t object to initialize.
306 *
307 * RETURN VALUES
308 *	None
309 *
310 * NOTES
311 *	A given SA MAD Controller should be previously bound to IB
312 *	port.
313 *
314 * SEE ALSO
315 *********/
316 
317 /****f* OpenSM: SA/osm_sa_mad_ctrl_get_bind_handle
318 * NAME
319 *	osm_sa_mad_ctrl_get_bind_handle
320 *
321 * DESCRIPTION
322 *	Returns the bind handle.
323 *
324 * SYNOPSIS
325 */
326 static inline osm_bind_handle_t
327 osm_sa_mad_ctrl_get_bind_handle(IN const osm_sa_mad_ctrl_t * p_ctrl)
328 {
329 	return p_ctrl->h_bind;
330 }
331 
332 /*
333 * PARAMETERS
334 *	p_ctrl
335 *		[in] Pointer to an osm_sa_mad_ctrl_t object.
336 *
337 * RETURN VALUES
338 *	Returns the bind handle, which may be OSM_BIND_INVALID_HANDLE
339 *	if no port has been bound.
340 *
341 * NOTES
342 *	A given SA MAD Controller object can only be bound to one
343 *	port at a time.
344 *
345 * SEE ALSO
346 *********/
347 
348 END_C_DECLS
349 #endif				/* _OSM_SA_MAD_CTRL_H_ */
350