Method and apparatus for direct input and output in a virtual machine environment

Method and apparatus for allowing a direct memory access unit (225) to have access to a virtual address space is accomplished by receiving a request for memory access (5) from the direct memory access device (225); determining a device identifier (10) according to the received request for memory acc...

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Hauptverfasser:	LOVELL, MATTHEW B, JOHNSON, LEITH L, ROSS, JONATHAN K, COWAN, JOE P
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CALCULATING COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING PHYSICS
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creator	LOVELL, MATTHEW B JOHNSON, LEITH L ROSS, JONATHAN K COWAN, JOE P
description	Method and apparatus for allowing a direct memory access unit (225) to have access to a virtual address space is accomplished by receiving a request for memory access (5) from the direct memory access device (225); determining a device identifier (10) according to the received request for memory access; determining a memory protection schema (15) according to the determined device identifier; and granting the direct memory access unit access to memory (20) in accordance with the determined memory protection schema.
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language	eng ; fre ; ger
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subjects	CALCULATING COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING PHYSICS
title	Method and apparatus for direct input and output in a virtual machine environment
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