JP4629779B2 - 仮想メモリ環境においてｄｍａリクエストを処理するための装置、方法、及び、コンピュータ・プログラム - Google Patents

仮想メモリ環境においてｄｍａリクエストを処理するための装置、方法、及び、コンピュータ・プログラム Download PDF

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JP4629779B2
JP4629779B2 JP2008534001A JP2008534001A JP4629779B2 JP 4629779 B2 JP4629779 B2 JP 4629779B2 JP 2008534001 A JP2008534001 A JP 2008534001A JP 2008534001 A JP2008534001 A JP 2008534001A JP 4629779 B2 JP4629779 B2 JP 4629779B2
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block
data
dma controller
memory
temporary
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Japanese (ja)
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JP2009512004A (ja
JP2009512004A5 (enExample
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バートレイ、ジェラルド、キース
ボーケンヘイゲン、ジョン、マイケル
ホービス、ウィリアム、ポール
コルツ、ダニエル、ポール
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International Business Machines Corp
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International Business Machines Corp
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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/14—Handling requests for interconnection or transfer
    • G06F13/20—Handling requests for interconnection or transfer for access to input/output bus
    • G06F13/28—Handling requests for interconnection or transfer for access to input/output bus using burst mode transfer, e.g. direct memory access DMA, cycle steal

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Memory System Of A Hierarchy Structure (AREA)
  • Bus Control (AREA)
JP2008534001A 2005-10-07 2006-10-03 仮想メモリ環境においてｄｍａリクエストを処理するための装置、方法、及び、コンピュータ・プログラム Active JP4629779B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/246,824 US7725620B2 (en) 2005-10-07 2005-10-07 Handling DMA requests in a virtual memory environment
PCT/EP2006/066999 WO2007042428A2 (en) 2005-10-07 2006-10-03 Apparatus and method for handling dma requests in a virtual memory environment

Publications (3)

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JP2009512004A JP2009512004A (ja) 2009-03-19
JP2009512004A5 JP2009512004A5 (enExample) 2010-08-12
JP4629779B2 true JP4629779B2 (ja) 2011-02-09

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JP2008534001A Active JP4629779B2 (ja) 2005-10-07 2006-10-03 仮想メモリ環境においてｄｍａリクエストを処理するための装置、方法、及び、コンピュータ・プログラム

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US (2) US7725620B2 (enExample)
EP (1) EP1934762B1 (enExample)
JP (1) JP4629779B2 (enExample)
CN (1) CN100589089C (enExample)
AT (1) ATE450831T1 (enExample)
DE (1) DE602006010893D1 (enExample)
WO (1) WO2007042428A2 (enExample)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4770602B2 (ja) * 2006-06-23 2011-09-14 株式会社デンソー 電子機器
US20080229053A1 (en) * 2007-03-13 2008-09-18 Edoardo Campini Expanding memory support for a processor using virtualization
US8751738B2 (en) * 2010-02-08 2014-06-10 Microsoft Corporation Background migration of virtual storage
US9092149B2 (en) * 2010-11-03 2015-07-28 Microsoft Technology Licensing, Llc Virtualization and offload reads and writes
US9146765B2 (en) 2011-03-11 2015-09-29 Microsoft Technology Licensing, Llc Virtual disk storage techniques
US8903966B2 (en) * 2011-06-01 2014-12-02 International Business Machines Corporation Re-programming programmable hardware devices without system downtime
US9817582B2 (en) 2012-01-09 2017-11-14 Microsoft Technology Licensing, Llc Offload read and write offload provider
WO2014068607A1 (en) * 2012-10-30 2014-05-08 Hitachi, Ltd. Computer system and method for updating configuration information
US9071585B2 (en) 2012-12-12 2015-06-30 Microsoft Technology Licensing, Llc Copy offload for disparate offload providers
US9251201B2 (en) 2012-12-14 2016-02-02 Microsoft Technology Licensing, Llc Compatibly extending offload token size
US9582223B2 (en) 2014-04-14 2017-02-28 International Business Machines Corporation Efficient reclamation of pre-allocated direct memory access (DMA) memory

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4590467A (en) * 1983-10-13 1986-05-20 Rockwell International Corporation Local area network interface controller
US4658351A (en) * 1984-10-09 1987-04-14 Wang Laboratories, Inc. Task control means for a multi-tasking data processing system
EP0348628A3 (en) * 1988-06-28 1991-01-02 International Business Machines Corporation Cache storage system
US5463739A (en) * 1992-12-22 1995-10-31 International Business Machines Corporation Apparatus for vetoing reallocation requests during a data transfer based on data bus latency and the number of received reallocation requests below a threshold
US5640527A (en) * 1993-07-14 1997-06-17 Dell Usa, L.P. Apparatus and method for address pipelining of dynamic random access memory utilizing transparent page address latches to reduce wait states
US5778427A (en) * 1995-07-07 1998-07-07 Sun Microsystems, Inc. Method and apparatus for selecting a way of a multi-way associative cache by storing waylets in a translation structure
US6931471B2 (en) * 2002-04-04 2005-08-16 International Business Machines Corporation Method, apparatus, and computer program product for migrating data subject to access by input/output devices
US6804729B2 (en) * 2002-09-30 2004-10-12 International Business Machines Corporation Migrating a memory page by modifying a page migration state of a state machine associated with a DMA mapper based on a state notification from an operating system kernel
US7574709B2 (en) * 2004-04-30 2009-08-11 Microsoft Corporation VEX-virtual extension framework
US20050246453A1 (en) * 2004-04-30 2005-11-03 Microsoft Corporation Providing direct access to hardware from a virtual environment
US20060069818A1 (en) * 2004-09-27 2006-03-30 Cliff Mather Synchronizing direct memory access and evacuation operations in a computer system
US20060181949A1 (en) * 2004-12-31 2006-08-17 Kini M V Operating system-independent memory power management
US20070074067A1 (en) * 2005-09-29 2007-03-29 Rothman Michael A Maintaining memory reliability

Also Published As

Publication number Publication date
WO2007042428A3 (en) 2007-06-28
CN101278270A (zh) 2008-10-01
ATE450831T1 (de) 2009-12-15
US20070083681A1 (en) 2007-04-12
JP2009512004A (ja) 2009-03-19
EP1934762B1 (en) 2009-12-02
US20080244112A1 (en) 2008-10-02
CN100589089C (zh) 2010-02-10
DE602006010893D1 (de) 2010-01-14
US7725620B2 (en) 2010-05-25
EP1934762A2 (en) 2008-06-25
WO2007042428A2 (en) 2007-04-19

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