Importance

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Abstract

A resource interconnect architecture and associated descriptor protocol provides more efficient communication between different resources in a data processing system. One embodiment uses a backdoor interconnect that allows some resources to communicate without using a central resource interconnect. Another embodiment uses nested descriptors that allow operations by different resources to be chained together without having to communicate back to an originating descriptor resource. In another embodiment, the descriptors are generated in hardware or in software. Other embodiments assign priority or privilege values to the descriptors that optimize processing and error handling performance.

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First Claim