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Diffstat (limited to 'src/mem/ruby/network/garnet/fixed-pipeline/OutVcState_d.hh')
-rw-r--r-- | src/mem/ruby/network/garnet/fixed-pipeline/OutVcState_d.hh | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/src/mem/ruby/network/garnet/fixed-pipeline/OutVcState_d.hh b/src/mem/ruby/network/garnet/fixed-pipeline/OutVcState_d.hh new file mode 100644 index 000000000..a6b063d4a --- /dev/null +++ b/src/mem/ruby/network/garnet/fixed-pipeline/OutVcState_d.hh @@ -0,0 +1,83 @@ +/* + * Copyright (c) 2008 Princeton University + * 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 + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * Authors: Niket Agarwal + */ + +#ifndef OUT_VC_STATE_D_H +#define OUT_VC_STATE_D_H + +#include "mem/ruby/network/garnet/NetworkHeader.hh" +#include "mem/ruby/network/garnet/fixed-pipeline/GarnetNetwork_d.hh" + +class OutVcState_d { +public: + OutVcState_d(int id, GarnetNetwork_d *network_ptr); + + int get_inport() {return m_in_port; } + int get_invc() { return m_in_vc; } + int get_credit_count() {return m_credit_count; } + void set_inport(int port) {m_in_port = port; } + void set_invc(int vc) {m_in_vc = vc; } + + inline bool isInState(VC_state_type state, Time request_time) + { + return ((m_vc_state == state) && (request_time >= m_time) ); + } + + inline void setState(VC_state_type state, Time time) + { + m_vc_state = state; + m_time = time; + } + + inline bool has_credits() + { + return (m_credit_count > 0); + } + + inline void increment_credit() + { + m_credit_count++; + } + + inline void decrement_credit() + { + m_credit_count--; + } + +private: + GarnetNetwork_d *m_network_ptr; + int m_id ; + Time m_time; + VC_state_type m_vc_state; + int m_in_port; + int m_in_vc; + int m_credit_count; +}; + +#endif |