PCIe routing

A data processing apparatus is provided that includes communication circuitry to transmit an interconnect message to a root port using a physical address mapped to the root port. Translation circuitry encapsulates, within the interconnect message to the root port, a Peripheral Component Interconnect...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Joseph, Jacob, Kona, Anitha, Sastry, Nandakishore, Thomas, Tessil, Laughton, Arthur Brian
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:A data processing apparatus is provided that includes communication circuitry to transmit an interconnect message to a root port using a physical address mapped to the root port. Translation circuitry encapsulates, within the interconnect message to the root port, a Peripheral Component Interconnect Express (PCIe) message to a destination, the PCIe message having routing information encoded as a PCIe bus number associated with the destination.