Interface control apparatus, data storage apparatus and method for interface control

摘要

According to one embodiment, an interface control apparatus includes an interface, and a controller. The interface is configured to transmit information between a host and a data storage apparatus. The controller is configured to fetch request information making a processing request for the data storage apparatus, from an element being a storage unit of a queue provided on the host through the interface. The controller is configured to execute read request processing of fetching first request information divided into a plurality of elements and stored, with priority over second request information which is different from the first request information, when the request information is fetched.

主权项

1. An interface control apparatus comprising:
an interface configured to transmit information between a host and a data storage apparatus; and a controller configured to fetch first and second request information that is indicative of a processing request for the data storage apparatus, from elements and a single element through the interface, respectively, the element being a storage unit of a queue provided on the host, the first request information being divided and stored in the elements, and the second request information different from the first request information being stored in the single element, wherein the controller is configured to execute read request processing of fetching a part of the first request information from the elements, and of continuously fetching a remaining of the first request information from the elements with priority over the second request information.