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. 08, 2025
Filed:
Jun. 15, 2021
Applicant:
Intel Corporation, Santa Clara, CA (US);
Inventors:
Utkarsh Y. Kakaiya, Folsom, CA (US);
David Koufaty, Portland, OR (US);
Rajesh Sankaran, Portland, OR (US);
Vedvyas Shanbhogue, Austin, TX (US);
Assignee:
Intel Corporation, Santa Clara, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 3/06 (2006.01); G06F 13/28 (2006.01);
U.S. Cl.
CPC ...
G06F 3/065 (2013.01); G06F 3/0604 (2013.01); G06F 3/0679 (2013.01); G06F 13/28 (2013.01);
Abstract
An embodiment of an integrated circuit comprises circuitry to share page tables associated with a page between a processor memory management unit (MMU) and an input/output memory management unit (IOMMU), store a page table entry in the memory associated with the page, and separately control access to the page from a processor and from a direct memory access (DMA) request based on one or more fields of the stored page table entry. Other embodiments are disclosed and claimed.