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Input Output Memory Management Unit (IOMMU) Two-Layer Addressing

  • US 20120246381A1
  • Filed: 12/02/2011
  • Published: 09/27/2012
  • Est. Priority Date: 12/14/2010
  • Status: Abandoned Application
First Claim
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1. A method, comprising:

  • translating a guest virtual address (GVA) to a corresponding guest physical address (GPA) using a process address space identifier associated with an address translation transaction associated with an I/O device; and

    translating the GPA to a corresponding system physical address (SPA) using a system address translation table according to a device identifier associated with the address translation transaction.

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