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:
Mar. 07, 2023
Filed:
Mar. 30, 2019
Applicant:
Intel Corporation, Santa Clara, CA (US);
Inventors:
Vedvyas Shanbhogue, Austin, TX (US);
Rajesh Sankaran, Portland, OR (US);
Abhishek Basak, Hillsboro, OR (US);
Pradeep Pappachan, Hillsboro, OR (US);
Utkarsh Y. Kakaiya, Folsom, CA (US);
Ravi Sahita, Portland, OR (US);
Rupin Vakharwala, Hillsboro, OR (US);
Assignee:
Intel Corporation, Santa Clara, CA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 21/44 (2013.01); G06F 13/16 (2006.01); G06F 3/06 (2006.01); G06F 21/79 (2013.01);
U.S. Cl.
CPC ...
G06F 21/44 (2013.01); G06F 3/0622 (2013.01); G06F 3/0659 (2013.01); G06F 3/0673 (2013.01); G06F 13/1668 (2013.01); G06F 21/79 (2013.01);
Abstract
Systems, methods, and apparatuses relating to performing an attachment of an input-output memory management unit (IOMMU) to a device, and a verification of the attachment. In one embodiment, a protocol and IOMMU extensions are used by a secure arbitration mode (SEAM) module and/or circuitry to determine if the IOMMU that is attached to the device requested to be mapped to a trusted domain.