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:
Jan. 23, 2018

Filed:

Oct. 02, 2015
Applicant:

Futurewei Technologies, Inc., Plano, TX (US);

Inventors:

Thomas Boyle, Santa Clara, CA (US);

Chang Yu, Hangzhou, CN;

Wesley Shao, Cupertino, CA (US);

Ligang Chen, Hangzhou, CN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 13/00 (2006.01); G06F 13/40 (2006.01); G06F 13/42 (2006.01);
U.S. Cl.
CPC ...
G06F 13/4072 (2013.01); G06F 13/4282 (2013.01);
Abstract

A method for accessing a device in a primary peripheral component interconnect express (PCIe) domain from a secondary PCIe domain includes determining which one or more virtual functions of the device in the primary PCIe domain are to be made available to the secondary PCIe domain. A virtual function driver is installed in the primary PCIe domain associated with the one or more virtual functions. Information corresponding to the one or more virtual functions is provided to the secondary PCIe domain. A virtual function driver associated with the one or more virtual functions is installed in the secondary PCIe domain from the information. The virtual function driver in the secondary PCIe domain has same properties as the virtual function driver in the primary PCIe domain. The device in the primary PCIe domain is accessed from the virtual function driver in the secondary PCIe domain.


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