io_device.hh (2665:a124942bacb8) io_device.hh (2685:a0821abe7132)
1/*
2 * Copyright (c) 2004-2005 The Regents of The University of Michigan
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;

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116 PioPort(PioDevice *dev, Platform *p);
117
118 friend class PioPort::SendEvent;
119};
120
121
122struct DmaReqState : public Packet::SenderState
123{
1/*
2 * Copyright (c) 2004-2005 The Regents of The University of Michigan
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;

--- 107 unchanged lines hidden (view full) ---

116 PioPort(PioDevice *dev, Platform *p);
117
118 friend class PioPort::SendEvent;
119};
120
121
122struct DmaReqState : public Packet::SenderState
123{
124 /** Event to call on the device when this transaction (all packets)
125 * complete. */
124 Event *completionEvent;
126 Event *completionEvent;
127
128 /** Where we came from for some sanity checking. */
129 Port *outPort;
130
131 /** Total number of bytes that this transaction involves. */
132 Addr totBytes;
133
134 /** Number of bytes that have been acked for this transaction. */
135 Addr numBytes;
136
125 bool final;
137 bool final;
126 DmaReqState(Event *ce, bool f)
127 : completionEvent(ce), final(f)
138 DmaReqState(Event *ce, Port *p, Addr tb)
139 : completionEvent(ce), outPort(p), totBytes(tb), numBytes(0)
128 {}
129};
130
131class DmaPort : public Port
132{
133 protected:
134 DmaDevice *device;
135 std::list<Packet*> transmitList;

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150 virtual void recvStatusChange(Status status)
151 { ; }
152
153 virtual void recvRetry() ;
154
155 virtual void getDeviceAddressRanges(AddrRangeList &resp, AddrRangeList &snoop)
156 { resp.clear(); snoop.clear(); }
157
140 {}
141};
142
143class DmaPort : public Port
144{
145 protected:
146 DmaDevice *device;
147 std::list<Packet*> transmitList;

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162 virtual void recvStatusChange(Status status)
163 { ; }
164
165 virtual void recvRetry() ;
166
167 virtual void getDeviceAddressRanges(AddrRangeList &resp, AddrRangeList &snoop)
168 { resp.clear(); snoop.clear(); }
169
158 void sendDma(Packet *pkt);
170 void sendDma(Packet *pkt, bool front = false);
159
160 public:
161 DmaPort(DmaDevice *dev, Platform *p);
162
163 void dmaAction(Packet::Command cmd, Addr addr, int size, Event *event,
164 uint8_t *data = NULL);
165
166 bool dmaPending() { return pendingCount > 0; }

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172 public:
173 DmaPort(DmaDevice *dev, Platform *p);
174
175 void dmaAction(Packet::Command cmd, Addr addr, int size, Event *event,
176 uint8_t *data = NULL);
177
178 bool dmaPending() { return pendingCount > 0; }

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