OutVcState.hh

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/*
 * Copyright (c) 2008 Princeton University
 * Copyright (c) 2016 Georgia Institute of Technology
 * All rights reserved.
 *
 * 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;
 * neither the name of the copyright holders nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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#ifndef __MEM_RUBY_NETWORK_GARNET_0_OUTVCSTATE_HH__
#define __MEM_RUBY_NETWORK_GARNET_0_OUTVCSTATE_HH__
 
#include "mem/ruby/network/garnet/CommonTypes.hh"
#include "mem/ruby/network/garnet/GarnetNetwork.hh"
 
namespace gem5
{
 
namespace ruby
{
 
namespace garnet
{
 
class OutVcState
{
  public:
    OutVcState(int id, GarnetNetwork *network_ptr, uint32_t consumerVcs);
 
    int get_credit_count()          { return m_credit_count; }
    inline bool has_credit()       { return (m_credit_count > 0); }
    void increment_credit();
    void decrement_credit();
 
    inline bool
    isInState(VC_state_type state, Tick request_time)
    {
        return ((m_vc_state == state) && (request_time >= m_time) );
    }
    inline void
    setState(VC_state_type state, Tick time)
    {
        m_vc_state = state;
        m_time = time;
    }
 
  private:
    int m_id ;
    Tick m_time;
    VC_state_type m_vc_state;
    int m_credit_count;
    int m_max_credit_count;
};
 
} // namespace garnet
} // namespace ruby
} // namespace gem5
 
#endif //__MEM_RUBY_NETWORK_GARNET_0_OUTVCSTATE_HH__