Generalized control registers

US9606936B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9606936-B2
Application numberUS-201113309748-A
CountryUS
Kind codeB2
Filing dateDec 2, 2011
Priority dateDec 16, 2010
Publication dateMar 28, 2017
Grant dateMar 28, 2017

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Abstract

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Methods, systems, and computer readable media generalize control registers in the context of memory address translations for I/O devices. A method includes maintaining a table including a plurality of concurrently available control register base pointers each associated with a corresponding input/output (I/O) device, associating each control register base pointer with a first translation from a guest virtual address (GVA) to a guest physical address (GPA) and a second translation from the GPA to a system physical address (SPA), and operating the first and second translations concurrently for the plurality of I/O devices.

First claim

Opening claim text (preview).

What is claimed is: 1. A method, comprising: maintaining at least one table, the at least one table including a plurality of concurrently available pointers, each being associated with a corresponding one of a plurality of input/output (I/O) devices; creating for each pointer a first translation from a virtual address to a first type physical address associated with a first physical address space, and a second translation from the first type physical address to a second type phy…

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What does patent US9606936B2 cover?
Methods, systems, and computer readable media generalize control registers in the context of memory address translations for I/O devices. A method includes maintaining a table including a plurality of concurrently available control register base pointers each associated with a corresponding input/output (I/O) device, associating each control register base pointer with a first translation from a…
Who is the assignee on this patent?
Kegel Andy, Hummel Mark, Asaro Tony, and 3 more
What technology area does this patent fall under?
Primary CPC classification G06F12/1081. Mapped technology areas include Physics.
When was this patent published?
Publication date Tue Mar 28 2017 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).