gem5  v21.2.0.0
RoutingUnit.hh
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29 
30 
31 #ifndef __MEM_RUBY_NETWORK_GARNET_0_ROUTINGUNIT_HH__
32 #define __MEM_RUBY_NETWORK_GARNET_0_ROUTINGUNIT_HH__
33 
39 
40 namespace gem5
41 {
42 
43 namespace ruby
44 {
45 
46 namespace garnet
47 {
48 
49 class InputUnit;
50 class Router;
51 
53 {
54  public:
55  RoutingUnit(Router *router);
56  int outportCompute(RouteInfo route,
57  int inport,
58  PortDirection inport_dirn);
59 
60  // Topology-agnostic Routing Table based routing (default)
61  void addRoute(std::vector<NetDest>& routing_table_entry);
62  void addWeight(int link_weight);
63 
64  // get output port from routing table
65  int lookupRoutingTable(int vnet, NetDest net_dest);
66 
67  // Topology-specific direction based routing
68  void addInDirection(PortDirection inport_dirn, int inport);
69  void addOutDirection(PortDirection outport_dirn, int outport);
70 
71  // Routing for Mesh
72  int outportComputeXY(RouteInfo route,
73  int inport,
74  PortDirection inport_dirn);
75 
76  // Custom Routing Algorithm using Port Directions
78  int inport,
79  PortDirection inport_dirn);
80 
81  // Returns true if vnet is present in the vector
82  // of vnets or if the vector supports all vnets.
83  bool supportsVnet(int vnet, std::vector<int> sVnets);
84 
85 
86  private:
88 
89  // Routing Table
92 
93  // Inport and Outport direction to idx maps
94  std::map<PortDirection, int> m_inports_dirn2idx;
95  std::map<int, PortDirection> m_inports_idx2dirn;
96  std::map<int, PortDirection> m_outports_idx2dirn;
97  std::map<PortDirection, int> m_outports_dirn2idx;
98 };
99 
100 } // namespace garnet
101 } // namespace ruby
102 } // namespace gem5
103 
104 #endif // __MEM_RUBY_NETWORK_GARNET_0_ROUTINGUNIT_HH__
gem5::ruby::PortDirection
std::string PortDirection
Definition: Topology.hh:68
gem5::ruby::garnet::RoutingUnit::m_router
Router * m_router
Definition: RoutingUnit.hh:87
gem5::ruby::garnet::Router
Definition: Router.hh:66
gem5::ruby::garnet::RoutingUnit::outportComputeCustom
int outportComputeCustom(RouteInfo route, int inport, PortDirection inport_dirn)
Definition: RoutingUnit.cc:266
gem5::ruby::garnet::RouteInfo
Definition: CommonTypes.hh:56
std::vector
STL vector class.
Definition: stl.hh:37
GarnetNetwork.hh
gem5::ruby::garnet::RoutingUnit::outportCompute
int outportCompute(RouteInfo route, int inport, PortDirection inport_dirn)
Definition: RoutingUnit.cc:169
CommonTypes.hh
gem5::ruby::garnet::RoutingUnit::RoutingUnit
RoutingUnit(Router *router)
Definition: RoutingUnit.cc:49
gem5::ruby::garnet::RoutingUnit::supportsVnet
bool supportsVnet(int vnet, std::vector< int > sVnets)
Definition: RoutingUnit.cc:74
gem5::ruby::garnet::RoutingUnit::m_outports_idx2dirn
std::map< int, PortDirection > m_outports_idx2dirn
Definition: RoutingUnit.hh:96
gem5::ruby::garnet::RoutingUnit::m_inports_idx2dirn
std::map< int, PortDirection > m_inports_idx2dirn
Definition: RoutingUnit.hh:95
gem5::ruby::garnet::RoutingUnit::addInDirection
void addInDirection(PortDirection inport_dirn, int inport)
Definition: RoutingUnit.cc:149
gem5::ruby::garnet::RoutingUnit::addWeight
void addWeight(int link_weight)
Definition: RoutingUnit.cc:68
gem5::ruby::garnet::RoutingUnit::m_inports_dirn2idx
std::map< PortDirection, int > m_inports_dirn2idx
Definition: RoutingUnit.hh:94
gem5::ruby::garnet::RoutingUnit::addOutDirection
void addOutDirection(PortDirection outport_dirn, int outport)
Definition: RoutingUnit.cc:156
gem5::ruby::garnet::RoutingUnit::m_weight_table
std::vector< int > m_weight_table
Definition: RoutingUnit.hh:91
flit.hh
gem5::ruby::NetDest
Definition: NetDest.hh:45
gem5::ruby::garnet::RoutingUnit::m_routing_table
std::vector< std::vector< NetDest > > m_routing_table
Definition: RoutingUnit.hh:90
gem5::ruby::garnet::RoutingUnit::addRoute
void addRoute(std::vector< NetDest > &routing_table_entry)
Definition: RoutingUnit.cc:57
Consumer.hh
gem5::ruby::garnet::RoutingUnit::outportComputeXY
int outportComputeXY(RouteInfo route, int inport, PortDirection inport_dirn)
Definition: RoutingUnit.cc:208
gem5::ruby::garnet::RoutingUnit
Definition: RoutingUnit.hh:52
gem5
Reference material can be found at the JEDEC website: UFS standard http://www.jedec....
Definition: tlb.cc:60
gem5::ruby::garnet::RoutingUnit::m_outports_dirn2idx
std::map< PortDirection, int > m_outports_dirn2idx
Definition: RoutingUnit.hh:97
NetDest.hh
gem5::ruby::garnet::RoutingUnit::lookupRoutingTable
int lookupRoutingTable(int vnet, NetDest net_dest)
Definition: RoutingUnit.cc:97

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