1/*
2 * Copyright (c) 2004-2008 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
62BEGIN_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
81struct 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*/
94typedef 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_disp_reg_handle_t h_disp;
102	osm_stats_t *p_stats;
103	osm_subn_t *p_subn;
104} osm_sa_mad_ctrl_t;
105/*
106* FIELDS
107*	sa
108*		Pointer to the SA object.
109*
110*	p_log
111*		Pointer to the log object.
112*
113*	p_mad_pool
114*		Pointer to the MAD pool.
115*
116*	p_vendor
117*		Pointer to the vendor specific interfaces object.
118*
119*	h_bind
120*		Bind handle returned by the transport layer.
121*
122*	p_disp
123*		Pointer to the Dispatcher.
124*
125*	h_disp
126*		Handle returned from dispatcher registration.
127*
128*	p_stats
129*		Pointer to the OpenSM statistics block.
130*
131* SEE ALSO
132*	SA MAD Controller object
133*	SA MADr object
134*********/
135
136/****f* OpenSM: SA MAD Controller/osm_sa_mad_ctrl_construct
137* NAME
138*	osm_sa_mad_ctrl_construct
139*
140* DESCRIPTION
141*	This function constructs a SA MAD Controller object.
142*
143* SYNOPSIS
144*/
145void osm_sa_mad_ctrl_construct(IN osm_sa_mad_ctrl_t * const p_ctrl);
146/*
147* PARAMETERS
148*	p_ctrl
149*		[in] Pointer to a SA MAD Controller
150*		object to construct.
151*
152* RETURN VALUE
153*	This function does not return a value.
154*
155* NOTES
156*	Allows calling osm_sa_mad_ctrl_init, and osm_sa_mad_ctrl_destroy.
157*
158*	Calling osm_sa_mad_ctrl_construct is a prerequisite to calling any other
159*	method except osm_sa_mad_ctrl_init.
160*
161* SEE ALSO
162*	SA MAD Controller object, osm_sa_mad_ctrl_init,
163*	osm_sa_mad_ctrl_destroy
164*********/
165
166/****f* OpenSM: SA MAD Controller/osm_sa_mad_ctrl_destroy
167* NAME
168*	osm_sa_mad_ctrl_destroy
169*
170* DESCRIPTION
171*	The osm_sa_mad_ctrl_destroy function destroys the object, releasing
172*	all resources.
173*
174* SYNOPSIS
175*/
176void osm_sa_mad_ctrl_destroy(IN osm_sa_mad_ctrl_t * const p_ctrl);
177/*
178* PARAMETERS
179*	p_ctrl
180*		[in] Pointer to the object to destroy.
181*
182* RETURN VALUE
183*	This function does not return a value.
184*
185* NOTES
186*	Performs any necessary cleanup of the specified
187*	SA MAD Controller object.
188*	Further operations should not be attempted on the destroyed object.
189*	This function should only be called after a call to
190*	osm_sa_mad_ctrl_construct or osm_sa_mad_ctrl_init.
191*
192* SEE ALSO
193*	SA MAD Controller object, osm_sa_mad_ctrl_construct,
194*	osm_sa_mad_ctrl_init
195*********/
196
197/****f* OpenSM: SA MAD Controller/osm_sa_mad_ctrl_init
198* NAME
199*	osm_sa_mad_ctrl_init
200*
201* DESCRIPTION
202*	The osm_sa_mad_ctrl_init function initializes a
203*	SA MAD Controller object for use.
204*
205* SYNOPSIS
206*/
207ib_api_status_t osm_sa_mad_ctrl_init(IN osm_sa_mad_ctrl_t * const p_ctrl,
208				     IN struct osm_sa * sa,
209				     IN osm_mad_pool_t * const p_mad_pool,
210				     IN osm_vendor_t * const p_vendor,
211				     IN osm_subn_t * const p_subn,
212				     IN osm_log_t * const p_log,
213				     IN osm_stats_t * const p_stats,
214				     IN cl_dispatcher_t * const p_disp);
215/*
216* PARAMETERS
217*	p_ctrl
218*		[in] Pointer to an osm_sa_mad_ctrl_t object to initialize.
219*
220*	sa
221*		[in] Pointer to the SA object.
222*
223*	p_mad_pool
224*		[in] Pointer to the MAD pool.
225*
226*	p_vendor
227*		[in] Pointer to the vendor specific interfaces object.
228*
229*	p_log
230*		[in] Pointer to the log object.
231*
232*	p_stats
233*		[in] Pointer to the OpenSM stastics block.
234*
235*	p_disp
236*		[in] Pointer to the OpenSM central Dispatcher.
237*
238* RETURN VALUES
239*	IB_SUCCESS if the SA MAD Controller object was initialized
240*	successfully.
241*
242* NOTES
243*	Allows calling other SA MAD Controller methods.
244*
245* SEE ALSO
246*	SA MAD Controller object, osm_sa_mad_ctrl_construct,
247*	osm_sa_mad_ctrl_destroy
248*********/
249
250/****f* OpenSM: SA/osm_sa_mad_ctrl_bind
251* NAME
252*	osm_sa_mad_ctrl_bind
253*
254* DESCRIPTION
255*	Binds the SA MAD Controller object to a port guid.
256*
257* SYNOPSIS
258*/
259ib_api_status_t
260osm_sa_mad_ctrl_bind(IN osm_sa_mad_ctrl_t * const p_ctrl,
261		     IN const ib_net64_t port_guid);
262/*
263* PARAMETERS
264*	p_ctrl
265*		[in] Pointer to an osm_sa_mad_ctrl_t object to initialize.
266*
267*	port_guid
268*		[in] Local port GUID with which to bind.
269*
270*
271* RETURN VALUES
272*	None
273*
274* NOTES
275*	A given SA MAD Controller object can only be bound to one
276*	port at a time.
277*
278* SEE ALSO
279*********/
280
281/****f* OpenSM: SA/osm_sa_mad_ctrl_unbind
282* NAME
283*	osm_sa_mad_ctrl_unbind
284*
285* DESCRIPTION
286*	Un-Binds the SA MAD Controller object from the IB port
287*
288* SYNOPSIS
289*/
290ib_api_status_t osm_sa_mad_ctrl_unbind(IN osm_sa_mad_ctrl_t * const p_ctrl);
291/*
292* PARAMETERS
293*	p_ctrl
294*		[in] Pointer to an osm_sa_mad_ctrl_t object to initialize.
295*
296* RETURN VALUES
297*	None
298*
299* NOTES
300*	A given SA MAD Controller should be previously bound to IB
301*	port.
302*
303* SEE ALSO
304*********/
305
306/****f* OpenSM: SA/osm_sa_mad_ctrl_get_bind_handle
307* NAME
308*	osm_sa_mad_ctrl_get_bind_handle
309*
310* DESCRIPTION
311*	Returns the bind handle.
312*
313* SYNOPSIS
314*/
315static inline osm_bind_handle_t
316osm_sa_mad_ctrl_get_bind_handle(IN const osm_sa_mad_ctrl_t * const p_ctrl)
317{
318	return (p_ctrl->h_bind);
319}
320
321/*
322* PARAMETERS
323*	p_ctrl
324*		[in] Pointer to an osm_sa_mad_ctrl_t object.
325*
326* RETURN VALUES
327*	Returns the bind handle, which may be OSM_BIND_INVALID_HANDLE
328*	if no port has been bound.
329*
330* NOTES
331*	A given SA MAD Controller object can only be bound to one
332*	port at a time.
333*
334* SEE ALSO
335*********/
336
337END_C_DECLS
338#endif				/* _OSM_SA_MAD_CTRL_H_ */
339