System, apparatus and method for synchronizing multiple virtual link states over a package interconnect

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United States of America Patent

PATENT NO 11442876
APP PUB NO 20190347218A1
SERIAL NO

16426361

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Abstract

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In one embodiment, an apparatus includes an arbitration circuit with virtual link state machines to virtualize link states associated with multiple communication protocol stacks. The apparatus further includes a physical circuit coupled to the arbitration circuit and to interface with a physical link, where the physical circuit, in response to a retraining of the physical link, is to cause a plurality of the virtual link state machines to synchronize with corresponding virtual link state machines associated with a second side of the physical link, and where at least one of the communication protocol stacks is to remain in a low power state during the retraining and the synchronization. Other embodiments are described and claimed.

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Patent Owner(s)

Patent OwnerAddress
INTEL CORPORATION2200 MISSION COLLEGE BOULEVARD SANTA CLARA CA 95054

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hor, Joon Teik Bayan Lepas, MY 7 17
Lim, Su Wei Bayan Lepas, MY 53 451
Song, Ting Lok Bayan Lepas, MY 17 84
Wagh, Mahesh Portland, US 119 1586

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