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:
Jan. 06, 2004
Filed:
Sep. 03, 1999
Jerrie L. Coffman, Beaverton, OR (US);
Arlin R. Davis, Yamhill, OR (US);
Intel Corporation, Santa Clara, CA (US);
Abstract
An apparatus and method for efficient input/output processing without the use of interrupts is described. The apparatus includes a plurality of descriptors where each descriptor includes a completion indicator and data associated with an input/output request. The plurality of descriptors includes a head descriptor and a tail descriptor. The apparatus further include a plurality of address holders associated with an input/output processor, and each the plurality of address holders is uniquely affiliated with one of the plurality of descriptors. The apparatus further include a polling mechanism for evaluating the completion indicator of the head descriptor and a completion processor for interfacing with the head descriptor. Finally, the apparatus includes connectors between the tail descriptor and address holder and between the input/output processor and the head descriptor.