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📄 osm_attrib_req.h(3.05 KB)
📄 osm_base.h(24.34 KB)
📄 osm_config.h(2.03 KB)
📄 osm_congestion_control.h(4.03 KB)
📄 osm_console.h(1.75 KB)
📄 osm_console_io.h(3.02 KB)
📄 osm_db.h(9.08 KB)
📄 osm_db_pack.h(11.91 KB)
📄 osm_errors.h(3.28 KB)
📄 osm_event_plugin.h(6.08 KB)
📄 osm_file_ids.h(4.11 KB)
📄 osm_guid.h(2.16 KB)
📄 osm_helper.h(19.39 KB)
📄 osm_inform.h(6.37 KB)
📄 osm_lid_mgr.h(6.53 KB)
📄 osm_log.h(14.11 KB)
📄 osm_mad_pool.h(8.82 KB)
📄 osm_madw.h(23.17 KB)
📄 osm_mcast_mgr.h(2.52 KB)
📄 osm_mcast_tbl.h(10.22 KB)
📄 osm_mcm_port.h(6.18 KB)
📄 osm_mesh.h(2.56 KB)
📄 osm_msgdef.h(4.47 KB)
📄 osm_mtree.h(6.38 KB)
📄 osm_multicast.h(9.89 KB)
📄 osm_node.h(14.48 KB)
📄 osm_opensm.h(15.86 KB)
📄 osm_partition.h(6.19 KB)
📄 osm_path.h(4.99 KB)
📄 osm_perfmgr.h(7.92 KB)
📄 osm_perfmgr_db.h(7.12 KB)
📄 osm_pkey.h(15.96 KB)
📄 osm_port.h(34.53 KB)
📄 osm_port_profile.h(4.74 KB)
📄 osm_prefix_route.h(2.2 KB)
📄 osm_qos_policy.h(7.66 KB)
📄 osm_remote_sm.h(4.88 KB)
📄 osm_router.h(4.79 KB)
📄 osm_sa.h(13.83 KB)
📄 osm_sa_mad_ctrl.h(8.02 KB)
📄 osm_service.h(4.66 KB)
📄 osm_sm.h(17.84 KB)
📄 osm_sm_mad_ctrl.h(7.54 KB)
📄 osm_stats.h(4.92 KB)
📄 osm_subnet.h(40.54 KB)
📄 osm_switch.h(24.63 KB)
📄 osm_ucast_cache.h(5.93 KB)
📄 osm_ucast_lash.h(2.69 KB)
📄 osm_ucast_mgr.h(7.11 KB)
📄 osm_version.h(1.78 KB)
📄 osm_vl15intf.h(8.96 KB)
📄 st.h(3.21 KB)

Editing: osm_vl15intf.h

/*
 * Copyright (c) 2004-2009 Voltaire, Inc. All rights reserved.
 * Copyright (c) 2002-2010 Mellanox Technologies LTD. All rights reserved.
 * Copyright (c) 1996-2003 Intel Corporation. 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:
 * 	Declaration of osm_vl15_t.
 *	This object represents a VL15 interface object.
 *	This object is part of the OpenSM family of objects.
 */

#ifndef _OSM_VL15INTF_H_
#define _OSM_VL15INTF_H_

#include <iba/ib_types.h>
#include <complib/cl_spinlock.h>
#include <complib/cl_event.h>
#include <complib/cl_thread.h>
#include <complib/cl_qlist.h>
#include <opensm/osm_stats.h>
#include <opensm/osm_log.h>
#include <opensm/osm_madw.h>
#include <opensm/osm_mad_pool.h>
#include <vendor/osm_vendor_api.h>
#include <opensm/osm_subnet.h>

#ifdef __cplusplus
#  define BEGIN_C_DECLS extern "C" {
#  define END_C_DECLS   }
#else				/* !__cplusplus */
#  define BEGIN_C_DECLS
#  define END_C_DECLS
#endif				/* __cplusplus */

BEGIN_C_DECLS
/****h* OpenSM/VL15
* NAME
*	VL15
*
* DESCRIPTION
*	The VL15 object encapsulates the information needed by the
*	OpenSM to instantiate the VL15 interface.  The OpenSM allocates
*	one VL15 object per subnet.
*
*	The VL15 object transmits MADs to the wire at a throttled rate,
*	so as to not overload the VL15 buffering of subnet components.
*	OpenSM modules may post VL15 MADs to the VL15 interface as fast
*	as possible.
*
*	The VL15 object is thread safe.
*
*	This object should be treated as opaque and should
*	be manipulated only through the provided functions.
*
* AUTHOR
*	Steve King, Intel
*
*********/
/****d* OpenSM: SM/osm_vl15_state_t
* NAME
*	osm_vl15_state_t
*
* DESCRIPTION
*	Enumerates the possible states of SM object.
*
* SYNOPSIS
*/
typedef enum _osm_vl15_state {
	OSM_VL15_STATE_INIT = 0,
	OSM_VL15_STATE_READY
} osm_vl15_state_t;
/***********/

/****s* OpenSM: VL15/osm_vl15_t
* NAME
*	osm_vl15_t
*
* DESCRIPTION
*	VL15 structure.
*
*	This object should be treated as opaque and should
*	be manipulated only through the provided functions.
*
* SYNOPSIS
*/
typedef struct osm_vl15 {
	osm_thread_state_t thread_state;
	osm_vl15_state_t state;
	uint32_t max_wire_smps;
	uint32_t max_wire_smps2;
	uint32_t max_smps_timeout;
	cl_event_t signal;
	cl_thread_t poller;
	cl_qlist_t rfifo;
	cl_qlist_t ufifo;
	cl_spinlock_t lock;
	osm_vendor_t *p_vend;
	osm_log_t *p_log;
	osm_stats_t *p_stats;
	osm_subn_t *p_subn;
} osm_vl15_t;
/*
* FIELDS
*	thread_state
*		Tracks the thread state of the poller thread.
*
*	state
*		Tracks the state of the VL15 interface itself.
*
*	max_wire_smps
*		Maximum number of VL15 MADs allowed on the wire at one time.
*
*	max_wire_smps2
*		Maximum number of timeout based SMPs allowed to be outstanding.
*
*	max_smps_timeout
*		Wait time in usec for timeout based SMPs.
*
*	signal
*		Event on which the poller sleeps.
*
*	rfifo
*		First-in First-out queue for outbound VL15 MADs for which
*		a response is expected, aka the "response fifo"
*
*	ufifo
*		First-in First-out queue for outbound VL15 MADs for which
*		no response is expected, aka the "unicast fifo".
*
*	poller
*		Worker thread pool that services the fifo to transmit VL15 MADs
*
*	lock
*		Spinlock guarding the FIFO.
*
*	p_vend
*		Pointer to the vendor transport object.
*
*	p_log
*		Pointer to the log object.
*
*	p_stats
*		Pointer to the OpenSM statistics block.
*
*	p_subn
*		Pointer to the OpenSM subnet object.
*
* SEE ALSO
*	VL15 object
*********/

/****f* OpenSM: VL15/osm_vl15_construct
* NAME
*	osm_vl15_construct
*
* DESCRIPTION
*	This function constructs an VL15 object.
*
* SYNOPSIS
*/
void osm_vl15_construct(IN osm_vl15_t * p_vl15);
/*
* PARAMETERS
*	p_vl15
*		[in] Pointer to a VL15 object to construct.
*
* RETURN VALUE
*	This function does not return a value.
*
* NOTES
*	Allows calling osm_vl15_destroy.
*
*	Calling osm_vl15_construct is a prerequisite to calling any other
*	method except osm_vl15_init.
*
* SEE ALSO
*	VL15 object, osm_vl15_init, osm_vl15_destroy
*********/

/****f* OpenSM: VL15/osm_vl15_destroy
* NAME
*	osm_vl15_destroy
*
* DESCRIPTION
*	The osm_vl15_destroy function destroys the object, releasing
*	all resources.
*
* SYNOPSIS
*/
void osm_vl15_destroy(IN osm_vl15_t * p_vl15, IN struct osm_mad_pool *p_pool);
/*
* PARAMETERS
*	p_vl15
*		[in] Pointer to a VL15 object to destroy.
*
*  p_pool
*     [in] The pointer to the mad pool to return outstanding mads to
*
* RETURN VALUE
*	This function does not return a value.
*
* NOTES
*	Performs any necessary cleanup of the specified VL15 object.
*	Further operations should not be attempted on the destroyed object.
*	This function should only be called after a call to osm_vl15_construct or
*	osm_vl15_init.
*
* SEE ALSO
*	VL15 object, osm_vl15_construct, osm_vl15_init
*********/

/*
	Initialization.
	Rate specifies the minimum number of microseconds between transmissions
	on VL15.
*/
/****f* OpenSM: VL15/osm_vl15_init
* NAME
*	osm_vl15_init
*
* DESCRIPTION
*	The osm_vl15_init function initializes a VL15 object for use.
*
* SYNOPSIS
*/
ib_api_status_t osm_vl15_init(IN osm_vl15_t * p_vl15, IN osm_vendor_t * p_vend,
			      IN osm_log_t * p_log, IN osm_stats_t * p_stats,
			      IN osm_subn_t * p_subn,
			      IN int32_t max_wire_smps,
			      IN int32_t max_wire_smps2,
			      IN uint32_t max_smps_timeout);
/*
* PARAMETERS
*	p_vl15
*		[in] Pointer to an osm_vl15_t object to initialize.
*
*	p_vend
*		[in] Pointer to the vendor transport object.
*
*	p_log
*		[in] Pointer to the log object.
*
*	p_stats
*		[in] Pointer to the OpenSM statistics block.
*
*	p_subn
*		[in] Pointer to the OpenSM subnet object.
*
*	max_wire_smps
*		[in] Maximum number of SMPs allowed on the wire at one time.
*
*	max_wire_smps2
*		[in] Maximum number of timeout based SMPs allowed to be
*		     outstanding.
*
*	max_smps_timeout
*		[in] Wait time in usec for timeout based SMPs.
*
*
* RETURN VALUES
*	IB_SUCCESS if the VL15 object was initialized successfully.
*
* NOTES
*	Allows calling other VL15 methods.
*
* SEE ALSO
*	VL15 object, osm_vl15_construct, osm_vl15_destroy
*********/

/****f* OpenSM: VL15/osm_vl15_post
* NAME
*	osm_vl15_post
*
* DESCRIPTION
*	Posts a MAD to the VL15 interface for transmission.
*
* SYNOPSIS
*/
void osm_vl15_post(IN osm_vl15_t * p_vl15, IN osm_madw_t * p_madw);
/*
* PARAMETERS
*	p_vl15
*		[in] Pointer to an osm_vl15_t object.
*
*	p_madw
*		[in] Pointer to a MAD wrapper structure containing the MAD.
*
* RETURN VALUES
*	This function does not return a value.
*
* NOTES
*	The osm_vl15_construct or osm_vl15_init must be called before using
*	this function.
*
* SEE ALSO
*	VL15 object, osm_vl15_construct, osm_vl15_init
*********/

/****f* OpenSM: VL15/osm_vl15_poll
* NAME
*	osm_vl15_poll
*
* DESCRIPTION
*	Causes the VL15 Interface to consider sending another QP0 MAD.
*
* SYNOPSIS
*/
void osm_vl15_poll(IN osm_vl15_t * p_vl);
/*
* PARAMETERS
*	p_vl15
*		[in] Pointer to an osm_vl15_t object.
*
* RETURN VALUES
*	None.
*
* NOTES
*	This function signals the VL15 that it may be possible to send
*	a SMP.  This function checks three criteria before sending a SMP:
*	1) The VL15 worker is IDLE
*	2) There are no QP0 SMPs currently outstanding
*	3) There is something on the VL15 FIFO to send
*
* SEE ALSO
*	VL15 object, osm_vl15_construct, osm_vl15_init
*********/

/****f* OpenSM: VL15/osm_vl15_shutdown
* NAME
*	osm_vl15_shutdown
*
* DESCRIPTION
*	Cleanup all outstanding MADs on both fifo's.
*  This is required to return all outstanding MAD resources.
*
* SYNOPSIS
*/
void osm_vl15_shutdown(IN osm_vl15_t * p_vl, IN osm_mad_pool_t * p_mad_pool);
/*
* PARAMETERS
*	p_vl15
*		[in] Pointer to an osm_vl15_t object.
*
*  p_mad_pool
*     [in] The MAD pool owning the mads.
*
* RETURN VALUES
*	None.
*
* NOTES
*
* SEE ALSO
*	VL15 object, osm_vl15_construct, osm_vl15_init
*********/

END_C_DECLS
#endif				/* _OSM_VL15INTF_H_ */

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