PASID GRANULARITY RESOURCE CONTROL FOR IOMMU
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United States of America Patent
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Issued Date -
Dec 21, 2023
app pub date -
Aug 29, 2023
filing date -
Mar 25, 2021
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Abstract
An embodiment of an integrated circuit may comprise memory to store respective resource control descriptors in correspondence with respective identifiers, and an input/output (JO) memory management unit (IOMMU) communicatively coupled to the memory, the IOMMU including circuitry to determine resource control information for an IO transaction based on a resource control descriptor stored in the memory that corresponds to an identifier associated with the IO transaction, and control utilization of one or more resources of the IOMMU based on the determined resource control information. Other embodiments are disclosed and claimed.
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