System to use descriptor rings for I/O communication

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United States of America Patent

PATENT NO 11741029
APP PUB NO 20220405218A1
SERIAL NO

17894116

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Abstract

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A system and method for input/output communication is disclosed. In one embodiment, a device identifies a queue including a plurality of input/output (I/O) descriptors, each of the plurality of I/O descriptors representing one of: an active descriptor associated with an active I/O request or an executed descriptor that is associated with an executed I/O request. The device retrieves, from a first index in the queue, one or more active descriptors associated with an I/O request. The device executes the I/O request. The device writes a first executed descriptor to a second index in the queue, where the first executed descriptor indicates the I/O request has been executed.

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Patent Owner(s)

  • RED HAT, INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Tsirkin, Michael Yokneam Illit, IL 625 3691

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