ATE450831T1 - Vorrichtung und verfahren zur handhabung von dma- anforderungen in einer virtuellspeicher-umgebung - Google Patents

Vorrichtung und verfahren zur handhabung von dma- anforderungen in einer virtuellspeicher-umgebung

Info

Publication number
ATE450831T1
ATE450831T1 AT06793956T AT06793956T ATE450831T1 AT E450831 T1 ATE450831 T1 AT E450831T1 AT 06793956 T AT06793956 T AT 06793956T AT 06793956 T AT06793956 T AT 06793956T AT E450831 T1 ATE450831 T1 AT E450831T1
Authority
AT
Austria
Prior art keywords
block
data
virtual memory
temporary
written
Prior art date
Application number
AT06793956T
Other languages
German (de)
English (en)
Inventor
Gerald Keith Bartley
John Michael Borkenhagen
William Paul Hovis
Daniel Paul Kolz
Original Assignee
Ibm
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ibm filed Critical Ibm
Application granted granted Critical
Publication of ATE450831T1 publication Critical patent/ATE450831T1/de

Links

Classifications

    • 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

Landscapes

  • 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)
AT06793956T 2005-10-07 2006-10-03 Vorrichtung und verfahren zur handhabung von dma- anforderungen in einer virtuellspeicher-umgebung ATE450831T1 (de)

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 (1)

Publication Number Publication Date
ATE450831T1 true ATE450831T1 (de) 2009-12-15

Family

ID=37912128

Family Applications (1)

Application Number Title Priority Date Filing Date
AT06793956T ATE450831T1 (de) 2005-10-07 2006-10-03 Vorrichtung und verfahren zur handhabung von dma- anforderungen in einer virtuellspeicher-umgebung

Country Status (7)

Country Link
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
US20140122825A1 (en) * 2012-10-30 2014-05-01 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
US7725620B2 (en) 2010-05-25
JP2009512004A (ja) 2009-03-19
WO2007042428A3 (en) 2007-06-28
US20070083681A1 (en) 2007-04-12
EP1934762B1 (en) 2009-12-02
JP4629779B2 (ja) 2011-02-09
CN100589089C (zh) 2010-02-10
EP1934762A2 (en) 2008-06-25
DE602006010893D1 (de) 2010-01-14
WO2007042428A2 (en) 2007-04-19
CN101278270A (zh) 2008-10-01
US20080244112A1 (en) 2008-10-02

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