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ASSOCIATION OF MEMORY ACCESS THROUGH PROTECTION ATTRIBUTES THAT ARE ASSOCIATED TO AN ACCESS CONTROL LEVEL ON A PCI ADAPTER THAT SUPPORTS VIRTUALIZATION

  • US 20080168461A1
  • Filed: 03/25/2008
  • Published: 07/10/2008
  • Est. Priority Date: 02/25/2005
  • Status: Active Grant
First Claim
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1. A method in a logical partitioned data processing system for dynamically sharing adapter resources among multiple operating system instances, comprising:

  • locating available resources in an adapter;

    allocating at least part of the available adapter resources to a given partition, wherein a hypervisor is used to track allocated adapter resources and perform adapter resource allocation;

    notifying the adapter of the adapter resource allocation to the given partition; and

    updating an internal structure of the adapter to reflect the allocation.

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