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.

Date of Patent:
Dec. 01, 2015

Filed:

Jun. 21, 2013
Applicant:

Ati Technologies Ulc, Markham, CA;

Inventors:

Gongxian Jeffrey Cheng, Toronto, CA;

Anthony Asaro, Toronto, CA;

Yinan Jiang, Richmond Hill, CA;

Assignee:

ATI Technologies ULC, Markham, Ontario, CA;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 11/00 (2006.01); G06F 9/00 (2006.01); G06F 9/455 (2006.01); G06F 1/24 (2006.01); G06F 11/14 (2006.01);
U.S. Cl.
CPC ...
G06F 9/45558 (2013.01); G06F 1/24 (2013.01); G06F 9/45533 (2013.01); G06F 11/1441 (2013.01); G06F 2009/4557 (2013.01); G06F 2009/45575 (2013.01); G06F 2009/45591 (2013.01);
Abstract

In a hardware-based virtualization system, a hypervisor switches out of a first function into a second function. The first function is one of a physical function and a virtual function and the second function is one of a physical function and a virtual function. During the switching a malfunction of the first function is detected. The first function is reset without resetting the second function. The switching, detecting, and resetting operations are performed by a hypervisor of the hardware-based virtualization system. Embodiments further include a communication mechanism for the hypervisor to notify a driver of the function that was reset to enable the driver to restore the function without delay.


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Quick Actions:

Cheng, Gongxian. (2015). Virtualized device reset (U.S. Patent No. 9201682). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9201682

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