ANSI-INCITS-TR-37-2004.pdf
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1、American National Standard Developed by INCITS Technical Report for Information Technology - Time-Limited Commands (TLC) INCITS TR-37-2004 INCITS TR-37-2004 Copyright American National Standards Institute Provided by IHS under license with ANSI Licensee=USN Ship Repair Facility Yokosuka/9961031100 N
2、ot for Resale, 05/08/2007 21:15:35 MDTNo reproduction or networking permitted without license from IHS -,-,- Copyright American National Standards Institute Provided by IHS under license with ANSI Licensee=USN Ship Repair Facility Yokosuka/9961031100 Not for Resale, 05/08/2007 21:15:35 MDTNo reprodu
3、ction or networking permitted without license from IHS -,-,- INCITS TR-37-2004 INCITS Technical Report for Information Technology Time-Limited Commands (TLC) Secretariat Information Technology Industry Council Abstract The purpose of the Time-Limited Commands (TLC) feature set is to define a mode of
4、 operation that bal- ances streaming performance with reliability. Copyright American National Standards Institute Provided by IHS under license with ANSI Licensee=USN Ship Repair Facility Yokosuka/9961031100 Not for Resale, 05/08/2007 21:15:35 MDTNo reproduction or networking permitted without lice
5、nse from IHS -,-,- Published by American National Standards Institute 25 West 43rd Street, New York, New York 10036 Copyright 2004 by Information Technology Industry Council (ITI) All rights reserved. No part of this publication may be reproduced in any form, in an electronic retrieval system or oth
6、erwise, without prior written permission of the publisher. Printed in the United States of America INCITS Technical Report Series This Technical Report is one in a series produced by the International Committee for Information Technology Standards (INCITS). The secretariat for INCITS is held by the
7、Information Technology Industry Council (ITI), 1250 Eye Street, NW, Suite 200, Washington, DC 2005. As a by-product of the standards development process and the resources of knowledge devoted to it, INCITS from time to time produces Technical Reports. Such Technical Reports are not standards, nor ar
8、e they intended to be used as such. INCITS Technical Reports are produced in some cases to disseminate the technical and logical concepts reflected in standards already published or under development. In other cases, they derive from studies in areas where it is found premature to develop a standard
9、 due to a still changing technology, or inappropriate to develop a rigorous standard due to the existence of a number of viable options, the choice of which depends on the users particular requirements. These Technical Reports, thus, provide guidelines, the use of which can result in greater consist
10、ency and coherence of information processing systems. When the draft Technical Report is completed, the Technical Committee approval process is the same as for a draft standard. Processing by INCITS is also similar to that for a draft standard. Patent Statement CAUTION: The developers of this Techni
11、cal Report have requested that holders of patents that may be required for the implementation of the standard, disclose such patents to the publisher. However, neither the developers nor the publisher have undertaken a patent search in order to identify which, if any, patents may apply to this Techn
12、ical Report. As of the date of publication of this Technical Report and following calls for the identification of patents that may be required for the implementation of the Technical Report, no such claims have been made. No further patent search is conducted by the developer or the publisher in res
13、pect to any Technical Report it processes. No representation is made or implied that licenses are not required to avoid infringement in the use of this Technical Report. Copyright American National Standards Institute Provided by IHS under license with ANSI Licensee=USN Ship Repair Facility Yokosuka
14、/9961031100 Not for Resale, 05/08/2007 21:15:35 MDTNo reproduction or networking permitted without license from IHS -,-,- i Contents Page Foreword .iii Introduction v 1Scope . 1 1.1Assumptions 1 2Normative references. 1 2.1Approved references 1 2.2References under development. 1 2.3Other references
15、1 3Definitions, abbreviations, and conventions. 2 3.1Definitions and abbreviations. 2 3.1.1AbortMode . 2 3.1.2CCTL 2 3.1.3Command Timer 2 3.1.4DWE. 2 3.1.5NormalMode 2 3.1.6Qualified TLC command 2 3.1.7Re-arm the timer 2 3.1.8RC 2 3.1.9ReadContinuous Mode 2 3.1.10SE 2 3.1.11Timer armed. 2 3.1.12Time
16、r expired. 2 3.1.13Timer running. 3 3.1.14TLC Mode 3 3.1.15WC. 3 3.1.16WriteContinuous Mode 3 3.2Conventions. 3 3.2.1Conventions are defined elsewhere. 3 4Description of the Feature Set. 4 4.1TLC feature set 4 4.2Command Completion Timer. 4 4.3Commands Affected 4 4.4Operational Summary 4 4.4.1Host B
17、ehavior 4 4.4.2Device Behavior. 5 4.5State Diagrams 6 4.5.1Time-Limited Command Overview. 6 4.5.2Time-Limited Flush Cache Command . 8 4.5.3TLC Error Handling 10 4.6Changes to Host Adapter Registers 13 4.6.1Error register 13 Copyright American National Standards Institute Provided by IHS under licens
18、e with ANSI Licensee=USN Ship Repair Facility Yokosuka/9961031100 Not for Resale, 05/08/2007 21:15:35 MDTNo reproduction or networking permitted without license from IHS -,-,- ii Page 4.7Changes to Commands. 13 4.7.1Commands Affected 13 4.7.2FLUSH CACHE . 14 4.7.3FLUSH CACHE EXT . 15 4.7.4IDENTIFY D
19、EVICE 17 4.7.5READ DMA 18 4.7.6READ DMA EXT 19 4.7.7READ LOG EXT 21 4.7.8SET FEATURES 22 4.7.9WRITE DMA 23 4.7.10WRITE DMA EXT 24 Figures 1TLC Overview State Diagram 6 2TLC Flush Cache State Diagram. 8 3TLC Error Handling State Diagram 10 Copyright American National Standards Institute Provided by I
20、HS under license with ANSI Licensee=USN Ship Repair Facility Yokosuka/9961031100 Not for Resale, 05/08/2007 21:15:35 MDTNo reproduction or networking permitted without license from IHS -,-,- iii Foreword (This foreword is not part of INCITS Technical Report INCITS TR-37-2004.) This technical report
21、describes the Time-Limited Commands (TLC) feature. This technical report was developed by T13 during 2004. The approval process start- ed in 2004. This document is not an American National Standard and the material contained herein is not normative in nature. Comments on the content of this document
22、 should be sent to the INCITS Secretariat, Information Technology Industry Council, 1250 Eye Street, NW, Suite 200, Washington, DC 20005. This technical report was processed and approved for submittal to ANSI by the Inter- National Commitee for Information Technology Standards, INCITS. Committee ap-
23、 proval of the technical report does not necessarily imply that all committee members voted for approval. At the time it approved this technical report, the INCITS Commit- tee had the following members: Karen Higginbottom, Chair Jennifer Garner, Secretary Organization RepresentedName of Representati
24、ve Apple Computer, Inc.David Michael Farance, IncFrank Farance Hewlett-Packard Company.Karen Higginbottom Scott Jameson (Alt.) Steve Mills (Alt.) EIAEdward Mikoski, Jr. Suan Hoyler (Alt.) EMC2 .Gary Robinson IBM Corporation .Ronald F. Silletti Institute for Certification of Computer Professionals.Ke
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