Storage device, computing system including the storage device, and method of operating the storage device

A computing system, comprising:

• a storage device comprising a storage medium and a controller configured to control the storage medium, wherein the controller comprises at least one memory;
• and
• a host configured to directly access the at least one memory using an address map having an address space corresponding to the at least one memory.

19-25. (canceled)

A computing system, comprising:

• a storage device comprising a storage medium and a controller configured to control the storage medium, wherein the controller comprises a processing unit and at least one memory;
• and
• a host comprising a processor and a main memory connected to the processor, wherein the processor is configured to directly access the at least one memory without accessing the main memory.

(canceled)