+------------------------------------------------------+                 +---------------                
                          |                                                      |                 |                
                          |  +-----------------+                                 |                 |               
  *From host*             |  | Instruction     |         G A N I M E D E         |                 |               
 --------------------------->| queue +         |                                 |                 |  IP-CORE     
                          |  | scheduler       |                                 |                 |               
                          |  +-----------------+                                 |                 |               
                          |    *DMA control*|                                    |                 |               
                          |                 |                                    |                 |               
 +--------+               |   +--------+    |    +-----------------+             |                 |               
 | Inter- |   data +      |   | Driver |<---+    | Per interface   |             |   data +        |               
 | face 1 |<=================>|      1 |<===|===>| optimizations   |<=============================>|                                
 |        |   control     |   |        |    |    | (generic)       |             |   control       |                                
 +--------+               |   +--------+    |    +-----------------+             |                 |                                
                          |                 |                                    |                 |                                
 +--------+               |   +--------+    |    +-----------------+             |                 |                                
 | Inter- |   data +      |   | Driver |<---+    | Per interface   |             |   data +        |                                
 | face 2 |<=================>|      2 |<===|===>| optimizations   |<=============================>|                                
 |        |   control     |   |        |    |    | (generic)       |             |   control       |                                
 +--------+               |   +--------+    |    +-----------------+             |                 |                                
    ... ... ... ... ... ... ... ... ...  ...|... . ... ... . ... ...... . ... ...    . ... .       |                                
 +--------+               |   +--------+    |    +-----------------+             |                 |                                
 | Inter- |   data +      |   | Driver |<---+    | Per interface   |             |   data +        |                                
 | face n |<=================>|      n |<=======>| optimizations   |<=============================>|                                
 |        |   control     |   |        |         | (generic)       |             |   control       |                         
 +--------+               |   +--------+         +-----------------+             |                 |                                   
                          |                                                      |                 |               
                          +------------------------------------------------------+                 +---------------               


This wont be the first version, but the finished version might look something like this.