src/mem/xbar.hh

81      * instantiating one layer per destination port (and per packet
87      * port type for the layer. The retry list holds either master
102          * @param _port destination port the layer converges at
124          * port. If not, the port in question is also added to the
128          * @param port Source port presenting the packet
135          * Deal with a destination port accepting a packet by potentially
136          * removing the source port from the retry list (if retrying) and
144          * Deal with a destination port not accepting a packet by
145          * potentially adding the source port to the retry list (if
149          * @param src_port Source port
157          * Send a retry to the port at the head of waitingForLayer. The
177          * port, but using different functions for the flow control.
183         /** The destination port this layer converges at. */
184         DstType& port;
199          * was busy, or the layer goes on to retry the first port
202          * its connected ports. The retry state lasts until the port
204          * layer, or goes to a busy state if the port does not
219          * peer. If no port is waiting NULL is stored.
226          * potential waiting port, or drain if asked to do so.
247          * @param _port destination port the layer converges at
269          * @param _port destination port the layer converges at
292          * @param _port destination port the layer converges at
324      * responses to the appropriate port. This relies on the fact that
336      * Function called by the port when the crossbar is recieving a
339      * @param master_port_id id of the port that received the change
344      * Find which port connected to this crossbar (if any) should be
347      * @param addr_range Address range to find port for.
348      * @return id of port that the packet should be sent out of.
387        address not handled by another port and not in default device's
389        addresses not handled by another port to default device. */
399      * slave port and master port id (thus the neighbouring master and
411     /** A function used to return the port associated with this object. */