Translation of input/output addresses to memory addresses

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United States of America Patent

PATENT NO 9626298
APP PUB NO 20140129796A1
SERIAL NO

14093609

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An address provided in a request issued by an adapter is converted to an address directly usable in accessing system memory. The address includes a plurality of bits, in which the plurality of bits includes a first portion of bits and a second portion of bits. The second portion of bits is used to index into one or more levels of address translation tables to perform the conversion, while the first portion of bits are ignored for the conversion. The first portion of bits are used to validate the address.

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Patent Owner(s)

  • INTERNATIONAL BUSINESS MACHINES CORPORATION

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Craddock, David New Paltz, US 55 1590
Gregg, Thomas A Highland, US 185 3829
Greiner, Dan F San Jose, US 272 4310
Lais, Eric N Tillson, US 70 712

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