Patents by Inventor Kaveh Naderi

Kaveh Naderi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 10838816
    Abstract: A method, system and computer program product are provided for detecting state and sparing of optical Peripheral Component Interconnect Express (PCI-Express or PCIE) cable channels attached to an IO drawer. System firmware is provided for implementing health check functions and state detection and sparing functions. One or more optical cables are connected between a host bridge and an PCIE enclosure, each optical cable includes one or more spare optical channels. An identified failed optical channel is rerouted to the spare optical channel.
    Type: Grant
    Filed: November 29, 2017
    Date of Patent: November 17, 2020
    Assignee: International Business Machines Corporation
    Inventors: Jesse P. Arroyo, Ellen M. Bauman, Timothy R. Block, Christoper J. Engel, Kaveh Naderi, Gregory M. Nordstrom, Harald Pross, Thomas R. Sand
  • Patent number: 10467110
    Abstract: A method, system and computer program product are provided for implementing cable failover in multiple cable Peripheral Component Interconnect Express (PCIE) IO interconnections to an external IO enclosure. System firmware is provided for implementing health check functions for the PCIE IO interconnections to identify a faulted low byte cable. A cable failover mechanism recovers a PCI link to the external IO enclosure. A multiplexer logic is provided between the PCIE host bridge (PHB) and the cable connected to the IO enclosure to perform a full lane reversal of the PCIE lanes.
    Type: Grant
    Filed: November 19, 2017
    Date of Patent: November 5, 2019
    Assignee: International Business Machines Corporation
    Inventors: Jesse P. Arroyo, Christopher J. Engel, Kaveh Naderi, James E. Smith
  • Patent number: 10467111
    Abstract: A method, system and computer program product are provided for implementing cable failover in multiple cable Peripheral Component Interconnect Express (PCIE) IO interconnections to an external IO enclosure. System firmware is provided for implementing health check functions for the PCIE IO interconnections to identify a faulted low byte cable. A cable failover mechanism recovers a PCI link to the external IO enclosure. A multiplexer logic is provided between the PCIE host bridge (PHB) and the cable connected to the IO enclosure to perform a full lane reversal of the PCIE lanes.
    Type: Grant
    Filed: November 19, 2017
    Date of Patent: November 5, 2019
    Assignee: International Business Machines Corporation
    Inventors: Jesse P. Arroyo, Christopher J. Engel, Kaveh Naderi, James E. Smith
  • Patent number: 10108575
    Abstract: An approach is provided in which a host system receives a request to power down a selected I/O module located in a PCIe I/O expansion drawer. The host system identifies at least one cable card located in the host system that corresponds to the selected I/O module and transmits at least one set of sideband signals to the PCIe I/O expansion drawer through at least one set of PCIe cable links. The host system, in turn, inhibits the transmission of the at least one set of sideband signals to power down the selected I/O module.
    Type: Grant
    Filed: April 14, 2016
    Date of Patent: October 23, 2018
    Assignee: International Business Machines Corporation
    Inventors: Curtis S. Eide, Christopher J. Engel, Kaveh Naderi, Matthew S. Spinler
  • Patent number: 10073751
    Abstract: A method for determining cable connections identifies a plurality of cables connected to a link included in a first device. The method identifies a first cable connected to the link included in the first device. The method determines that a second cable connected to is connected to a link included in a second device The method further determines that only one of an inbound and an outbound channel of a signaling lane included in the first cable is operable. The method utilizes a second cable to perform one of disabling signal transmission or detecting loss of signal on the operable channel. The method enables and disables signal transmission on the operable channel to determine that the first cable is connected to the link included in the remote device.
    Type: Grant
    Filed: November 20, 2015
    Date of Patent: September 11, 2018
    Assignee: International Business Machines Corporation
    Inventors: Jesse P. Arroyo, Christopher J. Engel, Kaveh Naderi
  • Patent number: 9985876
    Abstract: A method and a system for enabling communications on a signaling link include a first and a second device interconnected by the signaling link. The first device performs the method to acquire information from the second device. Based on the information acquired the first device determines to enable the signaling link for operational communications between the first device and the second device. A computer programming product instructs a computer to perform the method.
    Type: Grant
    Filed: November 20, 2015
    Date of Patent: May 29, 2018
    Assignee: International Business Machines Corporation
    Inventors: Jesse P. Arroyo, Christopher J. Engel, Kaveh Naderi
  • Publication number: 20180101453
    Abstract: A method, system and computer program product are provided for implementing cable failover in multiple cable Peripheral Component Interconnect Express (PCIE) IO interconnections to an external IO enclosure. System firmware is provided for implementing health check functions for the PCIE IO interconnections to identify a faulted low byte cable. A cable failover mechanism recovers a PCI link to the external IO enclosure. A multiplexer logic is provided between the PCIE host bridge (PHB) and the cable connected to the IO enclosure to perform a full lane reversal of the PCIE lanes.
    Type: Application
    Filed: November 19, 2017
    Publication date: April 12, 2018
    Inventors: Jesse P. Arroyo, Christopher J. Engel, Kaveh Naderi, James E. Smith
  • Publication number: 20180081761
    Abstract: A method, system and computer program product are provided for detecting state and sparing of optical Peripheral Component Interconnect Express (PCI-Express or PCIE) cable channels attached to an IO drawer. System firmware is provided for implementing health check functions and state detection and sparing functions. One or more optical cables are connected between a host bridge and an PCIE enclosure, each optical cable includes one or more spare optical channels. An identified failed optical channel is rerouted to the spare optical channel.
    Type: Application
    Filed: November 29, 2017
    Publication date: March 22, 2018
    Inventors: Jesse P. Arroyo, Ellen M. Bauman, Timothy R. Block, Christoper J. Engel, Kaveh Naderi, Gregory M. Nordstrom, Harald Pross, Thomas R. Sand
  • Publication number: 20180074923
    Abstract: A method, system and computer program product are provided for implementing cable failover in multiple cable Peripheral Component Interconnect Express (PCIE) IO interconnections to an external IO enclosure. System firmware is provided for implementing health check functions for the PCIE IO interconnections to identify a faulted low byte cable. A cable failover mechanism recovers a PCI link to the external IO enclosure. A multiplexer logic is provided between the PCIE host bridge (PHB) and the cable connected to the IO enclosure to perform a full lane reversal of the PCIE lanes.
    Type: Application
    Filed: November 19, 2017
    Publication date: March 15, 2018
    Inventors: Jesse P. Arroyo, Christopher J. Engel, Kaveh Naderi, James E. Smith
  • Patent number: 9891998
    Abstract: A method, system and computer program product are provided for detecting state and sparing of optical Peripheral Component Interconnect Express (PCI-Express or PCIE) cable channels attached to an IO drawer. System firmware is provided for implementing health check functions and state detection and sparing functions. One or more optical cables are connected between a host bridge and an PCIE enclosure, each optical cable includes one or more spare optical channels. An identified failed optical channel is rerouted to the spare optical channel.
    Type: Grant
    Filed: September 26, 2015
    Date of Patent: February 13, 2018
    Assignee: International Business Machines Corporation
    Inventors: Jesse P. Arroyo, Ellen M. Bauman, Timothy R. Block, Christopher J. Engel, Kaveh Naderi, Gregory M. Nordstrom, Harald Pross, Thomas R. Sand
  • Patent number: 9864662
    Abstract: A method, system and computer program product are provided for implementing cable failover in multiple cable Peripheral Component Interconnect Express (PCIE) IO interconnections to an external IO enclosure. System firmware is provided for implementing health check functions for the PCIE IO interconnections to identify a faulted low byte cable. A cable failover mechanism recovers a PCI link to the external IO enclosure. A multiplexer logic is provided between the PCIE host bridge (PHB) and the cable connected to the IO enclosure to perform a full lane reversal of the PCIE lanes.
    Type: Grant
    Filed: March 8, 2016
    Date of Patent: January 9, 2018
    Assignee: International Business Machines Corporation
    Inventors: Jesse P. Arroyo, Christopher J. Engel, Kaveh Naderi, James E. Smith
  • Patent number: 9858161
    Abstract: A method, system and computer program product are provided for implementing cable failover in multiple cable Peripheral Component Interconnect Express (PCIE) IO interconnections to an external IO enclosure. System firmware is provided for implementing health check functions for the PCIE IO interconnections to identify a faulted low byte cable. A cable failover mechanism recovers a PCI link to the external IO enclosure. A multiplexer logic is provided between the PCIE host bridge (PHB) and the cable connected to the IO enclosure to perform a full lane reversal of the PCIE lanes.
    Type: Grant
    Filed: October 27, 2015
    Date of Patent: January 2, 2018
    Assignee: International Business Machines Corporation
    Inventors: Jesse P. Arroyo, Christopher J. Engel, Kaveh Naderi, James E. Smith
  • Patent number: 9838110
    Abstract: Method for repairing a communication link failure. In certain embodiments, the method generally includes communicating with another apparatus using an initial number of channels of a plurality of channels of a communication link; selectively coupling a plurality of communication lanes with the plurality of channels of the communication link, wherein, during an initial state, a first lane of the plurality of lanes is coupled with a first channel of the plurality of channels, and wherein the plurality of channels comprises a spare channel; determining whether at least one channel of the plurality of channels is experiencing a failure; and controlling at least one of the multiplexers such that the failed channel is replaced by another channel of the plurality of channels by using the spare channel.
    Type: Grant
    Filed: September 29, 2015
    Date of Patent: December 5, 2017
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Daniel M. Dreps, Nanju Na, Kaveh Naderi, James E. Smith
  • Publication number: 20170300446
    Abstract: An approach is provided in which a host system receives a request to power down a selected I/O module located in a PCIe I/O expansion drawer. The host system identifies at least one cable card located in the host system that corresponds to the selected I/O module and transmits at least one set of sideband signals to the PCIe I/O expansion drawer through at least one set of PCIe cable links. The host system, in turn, inhibits the transmission of the at least one set of sideband signals to power down the selected I/O module.
    Type: Application
    Filed: April 14, 2016
    Publication date: October 19, 2017
    Inventors: Curtis S. Eide, Christopher J. Engel, Kaveh Naderi, Matthew S. Spinler
  • Patent number: 9774389
    Abstract: Computer program product and apparatus for repairing a communication link failure. In certain embodiments, the apparatus generally includes a controller configured to initialize the communication link for communication with another apparatus using an initial number of channels of a plurality of channels. The apparatus may also include a plurality of multiplexers configured to selectively couple a plurality of communication lanes with the plurality of channels of the communication link. In certain embodiments, during an initial state, a first lane of the plurality of lanes may be coupled with a first channel of the plurality of channels, and the plurality of channels may include a spare channel. The controller may determine whether at least one channel of the plurality of channels is experiencing a failure and control at least one of the multiplexers such that the failed channel is replaced by another channel of the plurality of channels by using the spare channel.
    Type: Grant
    Filed: September 1, 2015
    Date of Patent: September 26, 2017
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Daniel M. Dreps, Nanju Na, Kaveh Naderi, James E. Smith
  • Patent number: 9720871
    Abstract: A method for determining cable connections identifies a plurality of cables connected to a link included in a first device. The method identifies a first cable connected to the link included in the first device. The method determines that a second cable connected to is connected to a link included in a second device The method further determines that only one of an inbound and an outbound channel of a signaling lane included in the first cable is operable. The method utilizes a second cable to perform one of disabling signal transmission or detecting loss of signal on the operable channel. The method enables and disables signal transmission on the operable channel to determine that the first cable is connected to the link included in the remote device.
    Type: Grant
    Filed: August 29, 2016
    Date of Patent: August 1, 2017
    Assignee: International Business Machines Corporation
    Inventors: Jesse P. Arroyo, Christopher J. Engel, Kaveh Naderi
  • Patent number: 9697167
    Abstract: A method, system and computer program product are provided for implementing health check for optical cable attached Peripheral Component Interconnect Express (PCIE) enclosures in a computer system. System firmware is provided for implementing health check functions. One or more optical cables are connected between a host bridge and a PCIE enclosure. A PCIE link to the PCIE enclosure is reset responsive to a predefined event. After a set delay, a PCIE link health check is performed verifying PCIE link width and speed.
    Type: Grant
    Filed: March 19, 2016
    Date of Patent: July 4, 2017
    Assignee: International Business Machines Corporation
    Inventors: Jesse P. Arroyo, Ellen M. Bauman, Timothy R. Block, Christopher J. Engel, Kaveh Naderi, Harald Pross, Thomas R. Sand
  • Patent number: 9697166
    Abstract: A method, system and computer program product are provided for implementing health check for optical cable attached Peripheral Component Interconnect Express (PCIE) enclosures in a computer system. System firmware is provided for implementing health check functions. One or more optical cables are connected between a host bridge and a PCIE enclosure. A PCIE link to the PCIE enclosure is reset responsive to a predefined event. After a set delay, a PCIE link health check is performed verifying PCIE link width and speed.
    Type: Grant
    Filed: November 21, 2014
    Date of Patent: July 4, 2017
    Assignee: International Business Machines Corporation
    Inventors: Jesse P. Arroyo, Ellen M. Bauman, Timothy R. Block, Christopher J. Engel, Kaveh Naderi, Harald Pross, Thomas R. Sand
  • Publication number: 20170147525
    Abstract: A method for determining cable connections identifies a plurality of cables connected to a link included in a first device. The method identifies a first cable connected to the link included in the first device. The method determines that a second cable connected to is connected to a link included in a second device The method further determines that only one of an inbound and an outbound channel of a signaling lane included in the first cable is operable. The method utilizes a second cable to perform one of disabling signal transmission or detecting los of signal on the operable channel. The method enables and disables signal transmission on the operable channel to determine that the first cable is connected to the link included in the remote device.
    Type: Application
    Filed: August 29, 2016
    Publication date: May 25, 2017
    Inventors: Jesse P. Arroyo, Christopher J. Engel, Kaveh Naderi
  • Publication number: 20170149655
    Abstract: A method and a system for enabling communications on a signaling link include a first and a second device interconnected by the signaling link. The first device performs the method to acquire information from the second device. Based on the information acquired the first device determines to enable the signaling link for operational communications between the first device and the second device. A computer programming product instructs a computer to perform the method.
    Type: Application
    Filed: November 20, 2015
    Publication date: May 25, 2017
    Inventors: Jesse P. Arroyo, Christopher J. Engel, Kaveh Naderi