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:
Aug. 05, 2025

Filed:

Jun. 27, 2022
Applicant:

Western Digital Technologies, Inc., San Jose, CA (US);

Inventors:

Marjan Radi, San Jose, CA (US);

Dejan Vucinic, San Jose, CA (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 9/455 (2018.01); G06F 9/54 (2006.01); G06F 12/0815 (2016.01);
U.S. Cl.
CPC ...
G06F 9/45558 (2013.01); G06F 9/545 (2013.01); G06F 12/0815 (2013.01); G06F 2009/45579 (2013.01); G06F 2009/45583 (2013.01);
Abstract

A Virtual Switching (VS) kernel module manages different flows of packets between at least one Virtual Machine (VM) running at a node and one or more other VMs running at the node or at one or more other nodes in a network. A packet is received from a first VM using the VS kernel module and is parsed to identify a memory message and an address for at least one memory block stored in a shared memory. At least one entry for the at least one memory block is updated in a directory in a kernel space using the VS kernel module based on the memory message. According to another aspect, a state for the at least one memory block is determined from the directory and the VS kernel module is used to respond to the memory request based on the determined state.


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