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:
Jul. 14, 2020

Filed:

Aug. 01, 2017
Applicant:

Huawei Technologies Co., Ltd., Shenzhen, CN;

Inventor:

Langbo Li, Chengdu, CN;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 9/455 (2018.01); G06F 12/1009 (2016.01); G06F 12/109 (2016.01);
U.S. Cl.
CPC ...
G06F 9/45558 (2013.01); G06F 12/1009 (2013.01); G06F 12/109 (2013.01); G06F 2009/45579 (2013.01); G06F 2009/45583 (2013.01); G06F 2212/657 (2013.01);
Abstract

A method, an apparatus, and a system for accessing a storage device. The method includes: acquiring, by an I/O adapter, an access request from a virtual machine, where the access request carries virtual address information of a to-be-accessed storage area; generating an access instruction according to the access request, where the access instruction carries the virtual address information and an identifier of a virtual channel of the virtual machine, where the virtual channel corresponds to the virtual machine on a one-to-one basis and is used to connect the corresponding virtual machine to a storage device target, and the storage device target is configured to manage access to the storage device; and sending the access instruction to the storage device target.


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