Patent · US Active

Direct memory access (“DMA”) descriptor processing using identifiers assigned to descriptors on DMA engines

US10528494B2 · kind B2 · utility

0Cited by

5References

7Claims

0Family size

Assignee

MICROSOFT TECHNOLOGY LICENSING, LLC · US

Inventors

Chad B. McBride · North Bend, US
Jeffrey Powers Bradford · Rochester, US
Steven Wheeler · North Bend, US
Christopher Jon Johnson · Snoqualmie, US
Boris Bobrov · Kirkland, US
Andras Tantos · Bellevue, US

Key dates

Filing date	Jul 17, 2017
Grant date	Jan 7, 2020
Priority date	—
Expiry date	Sep 15, 2037

Classification

Technology area (CPC G)Physics
CPC primaryG06F13/42
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

Hardware accelerated synchronization of data movement across multiple direct memory access (DMA) engines is provided using techniques in which the order of descriptor processing is guaranteed for scenarios involving a single CPU and multiple DMA engines as well as those involving multiple CPUs and multiple DMA engines.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.