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US 9,542,214 B2Granted
Operating system virtualization for host channel adapters
AssigneeGlobalfoundries Inc.
InventorsJerry W Stevens, Maurice Isrel, Constantinos Kassimis, Donald William Schmidt
Life of this patent
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Abstract
A host information handling system (IHS) provides virtualization of host channel adapters (HCAs). A hypervisor partitions a system memory of the host IHS into multiple logical partitions (LPARs). A particular LPAR includes a single instance of an operating system. The single instance of the operating system includes a common layer that provides virtualization of physical HCAs and sharing of the physical HCAs by multiple virtual HCAs.
Claims7
A method, comprising:
- partitioning a memory of a host information handling system (IHS) into a plurality of logical partitions (LPARs) including a particular LPAR, the host IHS including a plurality of physical host channel adapters (HCAs);
- and
- providing a single instance of an operating system to the particular LPAR, the single instance of the operating system including a common layer that provides virtualization of the physical HCAs and sharing of the physical HCAs by multiple virtual HCAs.
Dependencies are inferred from the claim text.