An electronic device includes a storage device including a plurality of doorbell registers; a host configured to perform a first interface operation with the storage device using a first command queue managed by a first doorbell register from among the plurality of doorbell registers; and a third-party device configured to perform a second interface operation with the storage device using a second command queue managed by a second doorbell register from among the plurality of doorbell registers, without an intervention of the host, wherein at least the second doorbell register is allocated as one of one or more dedicated registers for use only with operations of the third-party device.