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. 03, 2007
Filed:
May. 29, 2003
Michael Norman Day, Round Rock, TX (US);
Harm Peter Hofstee, Austin, TX (US);
Charles Ray Johns, Austin, TX (US);
Peichum Peter Liu, Austin, TX (US);
Thuong Quang Truong, Austin, TX (US);
Takeshi Yamazaki, Austin, TX (US);
Michael Norman Day, Round Rock, TX (US);
Harm Peter Hofstee, Austin, TX (US);
Charles Ray Johns, Austin, TX (US);
Peichum Peter Liu, Austin, TX (US);
Thuong Quang Truong, Austin, TX (US);
Takeshi Yamazaki, Austin, TX (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
The present invention provides for asynchronous DMA command completion notification in a computer system. A command tag, associated with a plurality DMA command is generated. A DMA data movement command having the command tag is grouped with another DMA data movement command having the command tag. DMA commands belonging to the same tag group are monitored to see whether all DMA commands of the same tag group are completed.