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:
Nov. 17, 2015

Filed:

Apr. 09, 2012
Applicants:

Balaji Kanigicherla, Hyderabad, IN;

Krishna Mohan Tandaboina, Hyderabad, IN;

Siva Raghuram Voleti, Hyderabad, IN;

Karamveer Yadav, Hyderabad, IN;

Inventors:

Balaji Kanigicherla, Hyderabad, IN;

Krishna Mohan Tandaboina, Hyderabad, IN;

Siva Raghuram Voleti, Hyderabad, IN;

Karamveer Yadav, Hyderabad, IN;

Assignee:

INEDA SYSTEMS PVT. LTD., Hyderabad, IN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 3/06 (2006.01); G06F 13/12 (2006.01);
U.S. Cl.
CPC ...
G06F 3/0632 (2013.01); G06F 3/067 (2013.01); G06F 3/0625 (2013.01); G06F 13/126 (2013.01);
Abstract

Described herein is a system having a multi-host SATA controller () configured to provide communication and control between two or more independent host processors () and a single SATA device (). In one implementation, the multi-host SATA controller () includes the device switching layer (), the device control layer (), the link layer (), and the physical layer (). The device switching layer () allows the host processors () to issue commands concurrently rather than in sequential order. For this, the device switching layer () has independent set of host device registers () corresponding to each of the host processors (). The device switching layer () also has independent DMA engines () to perform a command pre-fetching from respective host system memories (). Further, a command switch engine () may arbitrate commands in case both the host processors () wish to access the SATA device () simultaneously.


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Kanigicherla, Balaji. (2015). Multi-host sata controller (U.S. Patent No. 9189166). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9189166

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