1. A method of facilitating access between a user application and an accelerator module having an accelerator address space, the user application residing within a controller module having a processor address space distinct from the accelerator address space, the method comprising the steps of: receiving a description of the accelerator address space; mapping at least a portion of the accelerator address space to an associated portion of the processor address space based upon the description; and indicating the associated portion to the user application to thereby allow the user application to access the accelerator memory space via the associated portion of the processor address space.