Quality of Service Arbitration Method and Quality of Service Arbiter Thereof
OwnerKuo-Cheng Lu, Chan-Shih Lininventors
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Abstract
A quality of service (QoS) arbitration method for an on-chip bus is disclosed. The bus arbitration method includes steps of classifying each of a plurality of requestors into one of a plurality of first QoS types; classifying the each of the plurality of requestors into one of a plurality of second QoS types corresponding to a plurality of service priorities according to a due date or a data rate of the each of the plurality of requestors and the one of the plurality of first QoS types; and choosing a requestor with a highest service priority among the plurality of requestors to service.
Claims18
A quality of service (QoS) arbitration method for an on-chip bus, the QoS arbitration method comprising:
- classifying each of a plurality of requestors into one of a plurality of first QoS types;
- classifying the each of the plurality of requestors into one of a plurality of second QoS types corresponding to a plurality of service priorities according to a due date or a data rate of the each of the plurality of requestors and the one of the plurality of first QoS types;
- and
- choosing a requestor with a highest service priority among the plurality of requestors to service.
A quality of service (QoS) arbiter, comprising:
- a plurality of classifiers, each for classifying each of a plurality of requestors into one of a plurality of first QoS types, and classifying the each of the plurality of requestors into one of a plurality of second QoS types corresponding to a plurality of service priorities according to a due date or a data rate of the each of the plurality of requestors and the one of the plurality of first QoS types;
- and
- a strict priority arbiter, for choosing a requestor with a highest service priority among the plurality of requestors to service.
Dependencies are inferred from the claim text.