Patent ID: 11954365
Assignee: CANON KABUSHIKI KAISHA
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 15:
16. A method of controlling an information processing apparatus that functions as a SUB controller configured to, for a command group formed of pairs each formed by a command prepared by a host controller and a status, execute command processing of each command and return a status of an execution result of the command processing, comprising:
acquiring, in response to receipt of a request for processing the command group from the host controller, the command group from the host controller as an original command sequence;
dividing the original command sequence into a plurality of segments each formed by one or more commands and having a total volume not larger than a threshold value;
independently setting respective command groups each formed of pairs each formed by a command and a status, in one or more storage devices connected to the information processing apparatus; and
notifying each of the one or more storage devices of a command processing request on a segment-by-segment basis.