Network.hh (10917:c38f28fad4c3) Network.hh (11064:386a5200e298)
1/*
2 * Copyright (c) 1999-2008 Mark D. Hill and David A. Wood
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;
9 * redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution;
12 * neither the name of the copyright holders nor the names of its
13 * contributors may be used to endorse or promote products derived from
14 * this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29/*
30 * The Network class is the base class for classes that implement the
31 * interconnection network between components (processor/cache
32 * components and memory/directory components). The interconnection
33 * network as described here is not a physical network, but a
34 * programming concept used to implement all communication between
35 * components. Thus parts of this 'network' will model the on-chip
36 * connections between cache controllers and directory controllers as
37 * well as the links between chip and network switches.
38 */
39
40#ifndef __MEM_RUBY_NETWORK_NETWORK_HH__
41#define __MEM_RUBY_NETWORK_NETWORK_HH__
42
43#include <iostream>
44#include <string>
45#include <vector>
46
47#include "mem/protocol/LinkDirection.hh"
48#include "mem/protocol/MessageSizeType.hh"
49#include "mem/ruby/common/TypeDefines.hh"
50#include "mem/ruby/network/Topology.hh"
51#include "mem/packet.hh"
52#include "params/RubyNetwork.hh"
53#include "sim/clocked_object.hh"
54
55class NetDest;
56class MessageBuffer;
57
58class Network : public ClockedObject
59{
60 public:
61 typedef RubyNetworkParams Params;
62 Network(const Params *p);
63 const Params * params() const
64 { return dynamic_cast<const Params *>(_params); }
65
66 virtual ~Network();
67 virtual void init();
68
69 static uint32_t getNumberOfVirtualNetworks() { return m_virtual_networks; }
70 int getNumNodes() const { return m_nodes; }
71
72 static uint32_t MessageSizeType_to_int(MessageSizeType size_type);
73
74 // returns the queue requested for the given component
75 virtual void setToNetQueue(NodeID id, bool ordered, int netNumber,
76 std::string vnet_type, MessageBuffer *b) = 0;
77 virtual void setFromNetQueue(NodeID id, bool ordered, int netNumber,
78 std::string vnet_type, MessageBuffer *b) = 0;
79
80 virtual void makeOutLink(SwitchID src, NodeID dest, BasicLink* link,
81 LinkDirection direction,
82 const NetDest& routing_table_entry) = 0;
83 virtual void makeInLink(NodeID src, SwitchID dest, BasicLink* link,
84 LinkDirection direction,
85 const NetDest& routing_table_entry) = 0;
86 virtual void makeInternalLink(SwitchID src, SwitchID dest, BasicLink* link,
87 LinkDirection direction,
88 const NetDest& routing_table_entry) = 0;
89
90 virtual void collateStats() = 0;
91 virtual void print(std::ostream& out) const = 0;
92
93 /*
94 * Virtual functions for functionally reading and writing packets in
95 * the network. Each network needs to implement these for functional
96 * accesses to work correctly.
97 */
98 virtual bool functionalRead(Packet *pkt)
99 { fatal("Functional read not implemented.\n"); }
100 virtual uint32_t functionalWrite(Packet *pkt)
101 { fatal("Functional write not implemented.\n"); }
102
103 protected:
104 // Private copy constructor and assignment operator
105 Network(const Network& obj);
106 Network& operator=(const Network& obj);
107
108 uint32_t m_nodes;
109 static uint32_t m_virtual_networks;
110 Topology* m_topology_ptr;
111 static uint32_t m_control_msg_size;
112 static uint32_t m_data_msg_size;
113
114 // vector of queues from the components
115 std::vector<std::vector<MessageBuffer*> > m_toNetQueues;
116 std::vector<std::vector<MessageBuffer*> > m_fromNetQueues;
1/*
2 * Copyright (c) 1999-2008 Mark D. Hill and David A. Wood
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;
9 * redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution;
12 * neither the name of the copyright holders nor the names of its
13 * contributors may be used to endorse or promote products derived from
14 * this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29/*
30 * The Network class is the base class for classes that implement the
31 * interconnection network between components (processor/cache
32 * components and memory/directory components). The interconnection
33 * network as described here is not a physical network, but a
34 * programming concept used to implement all communication between
35 * components. Thus parts of this 'network' will model the on-chip
36 * connections between cache controllers and directory controllers as
37 * well as the links between chip and network switches.
38 */
39
40#ifndef __MEM_RUBY_NETWORK_NETWORK_HH__
41#define __MEM_RUBY_NETWORK_NETWORK_HH__
42
43#include <iostream>
44#include <string>
45#include <vector>
46
47#include "mem/protocol/LinkDirection.hh"
48#include "mem/protocol/MessageSizeType.hh"
49#include "mem/ruby/common/TypeDefines.hh"
50#include "mem/ruby/network/Topology.hh"
51#include "mem/packet.hh"
52#include "params/RubyNetwork.hh"
53#include "sim/clocked_object.hh"
54
55class NetDest;
56class MessageBuffer;
57
58class Network : public ClockedObject
59{
60 public:
61 typedef RubyNetworkParams Params;
62 Network(const Params *p);
63 const Params * params() const
64 { return dynamic_cast<const Params *>(_params); }
65
66 virtual ~Network();
67 virtual void init();
68
69 static uint32_t getNumberOfVirtualNetworks() { return m_virtual_networks; }
70 int getNumNodes() const { return m_nodes; }
71
72 static uint32_t MessageSizeType_to_int(MessageSizeType size_type);
73
74 // returns the queue requested for the given component
75 virtual void setToNetQueue(NodeID id, bool ordered, int netNumber,
76 std::string vnet_type, MessageBuffer *b) = 0;
77 virtual void setFromNetQueue(NodeID id, bool ordered, int netNumber,
78 std::string vnet_type, MessageBuffer *b) = 0;
79
80 virtual void makeOutLink(SwitchID src, NodeID dest, BasicLink* link,
81 LinkDirection direction,
82 const NetDest& routing_table_entry) = 0;
83 virtual void makeInLink(NodeID src, SwitchID dest, BasicLink* link,
84 LinkDirection direction,
85 const NetDest& routing_table_entry) = 0;
86 virtual void makeInternalLink(SwitchID src, SwitchID dest, BasicLink* link,
87 LinkDirection direction,
88 const NetDest& routing_table_entry) = 0;
89
90 virtual void collateStats() = 0;
91 virtual void print(std::ostream& out) const = 0;
92
93 /*
94 * Virtual functions for functionally reading and writing packets in
95 * the network. Each network needs to implement these for functional
96 * accesses to work correctly.
97 */
98 virtual bool functionalRead(Packet *pkt)
99 { fatal("Functional read not implemented.\n"); }
100 virtual uint32_t functionalWrite(Packet *pkt)
101 { fatal("Functional write not implemented.\n"); }
102
103 protected:
104 // Private copy constructor and assignment operator
105 Network(const Network& obj);
106 Network& operator=(const Network& obj);
107
108 uint32_t m_nodes;
109 static uint32_t m_virtual_networks;
110 Topology* m_topology_ptr;
111 static uint32_t m_control_msg_size;
112 static uint32_t m_data_msg_size;
113
114 // vector of queues from the components
115 std::vector<std::vector<MessageBuffer*> > m_toNetQueues;
116 std::vector<std::vector<MessageBuffer*> > m_fromNetQueues;
117
118 std::vector<bool> m_in_use;
119 std::vector<bool> m_ordered;
120
121 private:
122 //! Callback class used for collating statistics from all the
123 //! controller of this type.
124 class StatsCallback : public Callback
125 {
126 private:
127 Network *ctr;
128
129 public:
130 virtual ~StatsCallback() {}
131
132 StatsCallback(Network *_ctr)
133 : ctr(_ctr)
134 {
135 }
136
137 void process() {ctr->collateStats();}
138 };
139};
140
141inline std::ostream&
142operator<<(std::ostream& out, const Network& obj)
143{
144 obj.print(out);
145 out << std::flush;
146 return out;
147}
148
149#endif // __MEM_RUBY_NETWORK_NETWORK_HH__
117 std::vector<bool> m_ordered;
118
119 private:
120 //! Callback class used for collating statistics from all the
121 //! controller of this type.
122 class StatsCallback : public Callback
123 {
124 private:
125 Network *ctr;
126
127 public:
128 virtual ~StatsCallback() {}
129
130 StatsCallback(Network *_ctr)
131 : ctr(_ctr)
132 {
133 }
134
135 void process() {ctr->collateStats();}
136 };
137};
138
139inline std::ostream&
140operator<<(std::ostream& out, const Network& obj)
141{
142 obj.print(out);
143 out << std::flush;
144 return out;
145}
146
147#endif // __MEM_RUBY_NETWORK_NETWORK_HH__