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Method and system maintaining quality of service (QoS) of host commands in multi-port, multi-function peripheral component interconnect express (PCIe) devices
Method and system maintaining quality of service (QoS) of host commands in multi-port, multi-function peripheral component interconnect express (PCIe) devices
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机译:维护多端口,多功能外围组件互连快速(PCIe)设备中主机命令的服务质量(QoS)的方法和系统
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摘要
A method maintaining a fixed QoS for a PCIe device accessed by multiple hosts includes; receiving commands from the hosts in PCIe function queues of the PCIe device, fetching the commands from the PCIe function command queues, queuing the commands according to a command arbitration policy established for the PCIe device, storing the queued commands in an internal memory of the PCIe device, retrieving the queued commands from the internal memory in a sequence determined by applying a calculated QoS to at least one of the queued commands, and allocating PCIe device resources based on payload information corresponding to each one of the retrieved commands.
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