The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 23, 2019
Filed:
Jan. 06, 2017
Fujitsu Limited, Kawasaki-shi, Kanagawa, JP;
Satoshi Kazama, Kawasaki, JP;
FUJITSU LIMITED, Kawasaki, JP;
Abstract
An access control method includes: determining a number of a plurality of commands to be continuously transferred; transferring to a storage device, a transfer preparation completion command indicating that preparation for transfer of the plurality of commands is completed, when it is determined that the number is greater than or equal to a threshold value; transferring, in sequence, to the storage device, the plurality of commands when it is determined that the number is less than the threshold value; when a command transferred from the host device is the transfer preparation completion command, issuing a direct memory access request to the host device based on the transfer preparation completion command and receiving the plurality of commands transferred from the host device by a direct memory access method based on the direct memory access request; and accessing the storage, based on each of the plurality of commands received.