Association of host translations that are associated to an access control level on a PCI bridge that supports virtualization
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United States of America Patent
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May 10, 2011
Grant Date -
Oct 30, 2008
app pub date -
Jun 13, 2008
filing date -
Feb 25, 2005
priority date (Note) -
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Abstract
A method, computer program product, and distributed data processing system that allows a system image within a multiple system image virtual server to directly expose a portion, or all, of its associated system memory to a shared PCI adapter without having to go through a trusted component, such as a Hypervisor. Specifically, the present invention is directed to a mechanism for sharing conventional PCI I/O adapters, PCI-X I/O Adapters, PCI-Express I/O Adapters, and, in general, any I/O adapter that uses a memory mapped I/O interface for communications.
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