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:
Dec. 02, 2014
Filed:
May. 27, 2011
Charles S. Cardinell, Tucson, AZ (US);
Roger G. Hathorn, Tucson, AZ (US);
Matthew J. Kalos, Tucson, AZ (US);
Timothy J. Van Patten, Tucson, AZ (US);
Charles S. Cardinell, Tucson, AZ (US);
Roger G. Hathorn, Tucson, AZ (US);
Matthew J. Kalos, Tucson, AZ (US);
Timothy J. Van Patten, Tucson, AZ (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
Provided are a computer program product, system, and method for selecting Direct Memory Access (DMA) engines in an adaptor for processing Input/Output requests received at the adaptor. A determination is made of an assignment of a plurality of processors to the DMA engines, wherein each processor is assigned to use one of the DMA engines. I/O request related work for a received I/O request directed to the storage is processed by determining the DMA engine assigned to the processor processing the I/O request related work and accessing the determined DMA engine to perform the I/O related work.