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FAST INVALIDATION IN PERIPHERAL COMPONENT INTERCONNECT (PCI) EXPRESS (PCIe) ADDRESS TRANSLATION SERVICES (ATS)
FAST INVALIDATION IN PERIPHERAL COMPONENT INTERCONNECT (PCI) EXPRESS (PCIe) ADDRESS TRANSLATION SERVICES (ATS)
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机译:外围组件互连(PCI)快速(PCIe)地址翻译服务(ATS)中的快速失效
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摘要
Fast invalidation in peripheral component interconnect (PCI) express (PCIe) address translation services (ATS) initially utilize a fast invalidation request to alert endpoints that an address is being invalidated with a fast invalidation synchronization command that causes the endpoints to flush through any residual read/write commands associated with any invalidated address and delete any associated address entries in an address translation cache (ATC). Each endpoint may send a synchronization complete acknowledgement to the host. Further, a tag having an incrementing identifier for each invalidation request may be used to determine if an endpoint has missed an invalidation request.
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