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Caching for I/O virtual address translation and validation using device drivers

  • US 20020166038A1
  • Filed: 02/20/2001
  • Published: 11/07/2002
  • Est. Priority Date: 02/20/2001
  • Status: Active Grant
First Claim
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1. In a computer system that implements input/output virtual address translation and validation, a method for input/output virtual address translation and validation comprising the steps of:

  • (a) assigning a range of memory to a device driver for its exclusive use, the device driver associated with a peripheral device; and

    (b) invoking, by the device driver system functionality for receiving a logical address and outputting a physical address, the physical address having a length greater than the logical address.

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