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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/isteps/pbusLinkSvc.H $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2016 */
/* [+] International Business Machines Corp. */
/* */
/* */
/* Licensed under the Apache License, Version 2.0 (the "License"); */
/* you may not use this file except in compliance with the License. */
/* You may obtain a copy of the License at */
/* */
/* http://www.apache.org/licenses/LICENSE-2.0 */
/* */
/* Unless required by applicable law or agreed to in writing, software */
/* distributed under the License is distributed on an "AS IS" BASIS, */
/* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or */
/* implied. See the License for the specific language governing */
/* permissions and limitations under the License. */
/* */
/* IBM_PROLOG_END_TAG */
/**
* @file pbusLinkSvc.H
*
* Singleton service to provide validation of pbus connections and
* return validated valid connections
*
*/
#ifndef __PBUSLINKSVC_H
#define __PBUSLINKSVC_H
#include <stdint.h>
#include <util/singleton.H>
#include <map>
#include <errl/errlentry.H>
// targeting support
#include <targeting/common/commontargeting.H>
#include <targeting/common/utilFilter.H>
#include <targeting/common/trace.H>
namespace EDI_EI_INITIALIZATION
{
using namespace TARGETING;
typedef std::map<const TARGETING::Target*,
const TARGETING::Target*> TargetPairs_t;
class PbusLinkSvc
{
public:
/**
* @brief Get singleton instance of this class.
*
* @return the (one and only) instance of PbusLinkSvc
*/
static PbusLinkSvc& getTheInstance();
/**
* @brief getPbusConnections() will collect all pbus connections of
* the specified bus type. If this is the first time collection,
* it will perform the collection and save them into the vectors
* within the singleton. Then, it will make a copy into the
* caller's map whose reference is passed to this function.
*
* @parm[out] o_PbusConnections, reference of a map for getting a copy
* of the map of specified bus connections
* @parm[in] i_busType, type of bus connection, TYPE_XBUS or TYPE_ABUS
* @parm[in] i_noDuplicate, set to true to eliminate duplicates, i.e.
* only (endpoint1,endpoint2) or (endpoint2,endpoint1) will
* be in the present in the map
* @return errlHndl_t if encountering an error, or NULL (no error)
*
*/
errlHndl_t getPbusConnections( TargetPairs_t & o_PbusConnections,
TYPE i_busType, bool i_noDuplicate = true );
protected:
/**
* @brief Constructor for the PbusLinkSvc object.
*/
PbusLinkSvc();
/**
* @brief Destructor for the PbusLinkSvc object.
*/
~PbusLinkSvc();
private:
/**
* @note Disable copy constructor and assignment operator
*/
PbusLinkSvc(const PbusLinkSvc& i_right);
PbusLinkSvc& operator=(const PbusLinkSvc& i_right);
TargetPairs_t iv_abusUniqueConnections;
TargetPairs_t iv_abusConnections;
TargetPairs_t iv_xbusUniqueConnections;
TargetPairs_t iv_xbusConnections;
TargetPairs_t iv_obusUniqueConnections;
TargetPairs_t iv_obusConnections;
// Mutex serializing changes to the above four maps
mutex_t iv_mutex;
/**
* @brief collectPbusConnections() will collect all pbus connections of
* the specified bus type. It checks for mixed-type connection,
* conflicting connection, and invalid-same-chip connection.
* The connections are saved within the singleton.
*
* @parm[in] i_busType, type of bus connection,
* TYPE_XBUS, TYPE_OBUS or TYPE_ABUS
* @return errlHndl_t if encountering an error, or NULL (no error)
*
*/
errlHndl_t collectPbusConnections( TYPE i_busType );
};
}
#endif
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