1、American National StandardDeveloped byfor Information Technology AT Attachment-8 ATA/ATAPI Architecture Model(ATA8-AAM)INCITS 451-2008INCITS 451-2008INCITS 451-2008American National Standardfor Information Technology AT Attachment-8 ATA/ATAPI Architecture Model(ATA8-AAM)SecretariatInformation Techno
2、logy Industry CouncilApproved December 18, 2008American National Standards Institute, Inc.AbstractThis standard describes the AT Attachment Architectural Model. The purpose of the architecture model is to provide a common basis for the coordination of ATA standards and to define those aspects of ATA
3、 system behavior that are independent of a particular technology and common to all implementations.Approval of an American National Standard requires review by ANSI that therequirements for due process, consensus, and other criteria for approval havebeen met by the standards developer.Consensus is e
4、stablished when, in the judgement of the ANSI Board ofStandards Review, substantial agreement has been reached by directly andmaterially affected interests. Substantial agreement means much more thana simple majority, but not necessarily unanimity. Consensus requires that allviews and objections be
5、considered, and that a concerted effort be madetowards their resolution.The use of American National Standards is completely voluntary; theirexistence does not in any respect preclude anyone, whether he has approvedthe standards or not, from manufacturing, marketing, purchasing, or usingproducts, pr
6、ocesses, or procedures not conforming to the standards.The American National Standards Institute does not develop standards andwill in no circumstances give an interpretation of any American NationalStandard. Moreover, no person shall have the right or authority to issue aninterpretation of an Ameri
7、can National Standard in the name of the AmericanNational Standards Institute. Requests for interpretations should beaddressed to the secretariat or sponsor whose name appears on the titlepage of this standard.CAUTION NOTICE: This American National Standard may be revised orwithdrawn at any time. Th
8、e procedures of the American National StandardsInstitute require that action be taken periodically to reaffirm, revise, orwithdraw this standard. Purchasers of American National Standards mayreceive current information on all standards by calling or writing the AmericanNational Standards Institute.A
9、merican National StandardPublished byAmerican National Standards Institute, Inc.25 West 43rd Street, New York, NY 10036Copyright 2009 by Information Technology Industry Council (ITI)All rights reserved.No part of this publication may be reproduced in anyform, in an electronic retrieval system or oth
10、erwise,without prior written permission of ITI, 1250 Eye Street NW, Washington, DC 20005. Printed in the United States of AmericaCAUTION: The developers of this standard have requested that holders of patents that may berequired for the implementation of the standard disclose such patents to the pub
11、lisher. However,neither the developers nor the publisher have undertaken a patent search in order to identifywhich, if any, patents may apply to this standard. As of the date of publication of this standardand following calls for the identification of patents that may be required for the implementat
12、ion ofthe standard, no such claims have been made. No further patent search is conducted by the de-veloper or publisher in respect to any standard it processes. No representation is made or impliedthat licenses are not required to avoid infringement in the use of this standard.iContentsPageForeword
13、.ivIntroduction vii1 Scope. 11.1 Introduction 11.2 Requirements precedence. 11.3 ATA family of standards. 22 Normative References . 42.1 General Information . 42.2 Approved normative references. 42.3 Normative references under development. 52.4 Other references 53 Definitions, symbols, abbreviations
14、, and conventions . 63.1 Definitions 63.2 Symbols . 73.3 Abbreviations . 73.4 Keywords . 73.5 Conventions. 83.5.1 Editorial conventions 83.5.2 Numeric conventions . 83.5.3 Lists 83.5.3.1 Lists overview 83.5.3.2 Unordered lists. 93.5.3.3 Ordered lists. 93.5.4 Precedence 94 ATA architecture model . 10
15、4.1 Introduction 104.2 ATA structural model . 104.2.1 The ATA domain 104.2.2 The host. 114.2.3 The device . 124.2.4 Service delivery subsystem . 124.3 ATA architecture layering. 144.4 The ATA client-server model . 154.5 The ATA distributed service model 164.5.1 The ATA distributed service model over
16、view. 164.5.2 Transport protocol services 164.5.3 Data transfer protocol services 17iiPage5 ATA protocol model . 185.1 ATA protocol introduction 185.1.1 ATA protocol overview. 185.1.2 ATA protocol services 195.1.3 ATA protocol service arguments 205.1.4 ATA transport service format . 225.2 Power-on,
17、nexus loss, and device management protocols . 225.2.1 Power-on protocols 225.2.1.1 Power-on protocols overview. 225.2.1.2 Host Power-on protocol description. 235.2.1.3 Device Power-on protocol description . 235.2.2 Nexus Loss protocol 245.2.2.1 Nexus Loss protocol overview . 245.2.2.2 Nexus Loss pro
18、tocol description 245.2.3 Device Management protocol 245.2.3.1 Device Management protocol overview. 245.2.3.2 Device Management protocol description 255.3 Command protocols. 265.3.1 Command protocol overview . 265.3.2 Non-data Command protocol. 265.3.2.1 Non-data Command protocol overview . 265.3.2.
19、2 Non-data Command protocol description 265.3.3 PIO Data-In Command protocol 275.3.3.1 PIO Data-In Command protocol overview . 275.3.3.2 PIO Data-In Command protocol description 275.3.4 PIO Data-Out Command protocol 285.3.4.1 PIO Data-Out Command protocol overview 285.3.4.2 PIO Data-Out Command prot
20、ocol description . 295.3.5 DMA command protocol 305.3.5.1 DMA Command protocol overview 305.3.5.2 DMA Command protocol description . 305.3.6 DMA Queued Command protocol 315.3.6.1 DMA Queued Command protocol overview 315.3.6.2 DMA Queued Command protocol description . 325.3.7 PACKET Command protocol
21、. 335.3.7.1 PACKET Command protocol overview 335.3.7.2 PACKET Command protocol description. 345.3.7.2.1 PACKET command transfer. 345.3.7.2.2 PACKET command completion with no data transfer 355.3.7.2.3 PACKET command completion with read data transfer using PIO 355.3.7.2.4 PACKET command completion w
22、ith write data transfer using PIO 365.3.7.2.5 PACKET command completion with data transfer using DMA 37Tables1 Related host standards examples . 22 Packet delivered command set standards and specifications examples 33 Other related device specifications examples . 3iiiPage4 Standards bodies . 45 App
23、roved normative references . 46 Normative references under development . 57 Other specifications 58 American and ISO numbering conventions 89 ATA protocol services 1910 ATA protocol service arguments 2011 Arguments used for protocol services 21Figures1 Requirements precedence . 12 Standards and spec
24、ifications relationships 23 Simple ATA domain example. 114 Simple host schematic . 125 Simple device schematic 126 Example ATA domain with two devices . 137 ATA architecture layering model 148 Client-server model 159 Transport protocol services 1710 Data transfer protocol services 1711 Host Power-on
25、 procedure call 2312 Device Power-on procedure call 2313 Nexus Loss procedure call. 2414 Device Management procedure call. 2515 Non-data Command procedure call . 2616 PIO Data-In Command procedure call . 2717 PIO Data-Out Command procedure call 2918 DMA Command procedure call 3019 DMA Queued Command
26、 procedure call 3220 PACKET command transfer . 3421 PACKET command completion with no data transfer 3522 PACKET command completion with read data transfer using PIO 3523 PACKET command completion with write data transfer using PIO 3624 PACKET command completion with data transfer using DMA. 37ivFore
27、word (This foreword is not part of American National Standard INCITS 451-2008.)The purpose of this standard is to provide a basis for the coordination of ATA stan-dards development and to define requirements common to all ATA technologies andimplementations that are essential for compatibility with
28、host ATA application soft-ware and device-resident firmware across all ATA transport protocols. These require-ments are defined through a reference model that specifies the behavior and abstractstructure that is generic to all ATA I/O system implementations.Requests for interpretation, suggestions f
29、or improvement and addenda, or defect re-ports are welcome. They should be sent to the INCITS Secretariat, National Commit-tee for Information Technology Standards, Information Technology Institute, 1250Eye Street, NW, Suite 200, Washington, DC 20005-3922.This standard was processed and approved for
30、 submittal to ANSI by the InterNation-al Committee for Information Technology Standards (INCITS). Committee approvalof the standard does not necessarily imply that all committee members voted for itsapproval. At the time of it approved this standard, INCITS had the following mem-bers:Karen Higginbot
31、tom, ChairJennifer Garner, SecretaryOrganization Represented Name of RepresentativeAdobe Systems, Inc. Steve ZillesScott Foshee (Alt.)AIM Global, Inc. Dan MullenCharles Biss (Alt.)Apple Computer, Inc. Kwok LauHelene Workman (Alt.)David Singer (Alt.)Distributed Managment Task Force . Tony DiCenzoElec
32、tronic Industries Alliance . Edward Mikoski, Jr.EMC Corporation Gary RobinsonFarance, Inc. Frank FaranceTimothy Schoechle (Alt.)Google Zaheda BhoratRobert Tai (Alt.)GS1 US Ray DelnickiFrank Sharkey (Alt.)James Chronowski (Alt.)Mary Wilson (Alt.)Hewlett-Packard Company. Paul JeranKaren Higginbottom (
33、Alt.)Scott Jameson (Alt.)IBM Corporation . Ronald F. SillettiRobert Weir (Alt.)IEEE . Judith GormanTerry DeCourcelle (Alt.)Bill Ash (Alt.)Jodie Haasz (Alt.)Bob Labelle (Alt.)Susan Tatiner (Alt.)Intel. Philip WennblomDave Thewlis (Alt.)Grace Wei (Alt.)Lexmark International. Don WrightDwight Lewis (Al
34、t.)Paul Menard (Alt.)Microsoft Corporation . Jim HughesDave Welsh (Alt.)Isabelle Valet-Harper (Alt.)vOrganization Represented Name of RepresentativeNational Institute of Standards b) the electrical characteristics of the interconnecting signals;c) the logical characteristics of the interconnecting s
35、ignals; andd) the protocols for transporting commands, data, and status using the interface.See 2.3 for additional information about this standard.AT Attachment-8 Serial Transport (ATA8-AST): defines the following for the serial ATA interface:a) the connectors and cables for physical interconnection
36、 between host and storage device;b) the electrical characteristics of the interconnecting signals;c) the logical characteristics of the interconnecting signals; andd) the protocols for transporting commands, data, and status using the interface.See 2.3 for additional information about this standard.
37、Table 2 Packet delivered command set standards and specifications examplesSCSI Primary Commands 3 (SPC-3) aSCSI Block Commands 2 (SBC-2) aSCSI Multimedia Commands 4 (MMC-4) aINF-8070 ATAPI for Removable Media bATA Packet Interface (ATAPI) for Streaming Tape QIC-157 revision D baSee 2.2 for additiona
38、l information about these standards.bSee 2.4 for additional information about these specifications.Table 3 Other related device specifications examplesSerial ATA Revision 2.5 aCF+ and CompactFlash Specification, Revision 3.0 aMultiMediaCard MCA System Specification, Version 4.1 aCE-ATA Digital Proto
39、col, Revision 1.1, released 29 September 2005 aaSee 2.4 for additional information about the specifications listed in this table.INCITS 451-200842 Normative References2.1 General informationThe standards listed in this clause contain provisions that, by reference in the text, constitute provisions o
40、f this standard. The standards, technical reports, and specifications listed in this clause are referenced in this standard. At the time of publication, the editions indicated were valid. All standards, technical reports, and specifications are subject to revision, and parties to agreements based on
41、 this standard are encouraged to investigate the possibility of applying the most recent editions of the standards listed below.Copies of approved ANSI standards may be obtained from ANSI. For further information, contact the ANSI Customer Service Department by phone at 212-642-4900, by fax at 212-3
42、02-1286, or via the World Wide Web at http:/www.ansi.org.Table 4 shows standards bodies referenced in this standard and their web sites.Table 4 Standards bodies2.2 Approved normative referencesAt the time of publication, the referenced standards listed in table 5 had been approved.Abbreviation Stand
43、ards body Web siteANSI American National Standards Institute http:/www.ansi.orgT10 INCITS T10 SCSI storage interfaces http:/www.t10.orgT13 INCITS T13 ATA storage interface http:/www.t13.orgTable 5 Approved normative referencesName NumberProtected Area Run Time Interface Extension Services (PARTIES)
44、standard ANSI INCITS 346-2001ATA/ATAPI Host Adapter Standards (ATA Adapter) standard ANSI INCITS 370-2004SCSI Multimedia Commands 4 (MMC-4) standard ISO/IEC 14776-364, ANSI INCITS 401-2005SCSI Block Commands 2 (SBC-2) standard ISO/IEC 14776-322, ANSI INCITS 405-2005BIOS Enhanced Disk Drive Services
45、3 (EDD-3) standard ANSI INCITS 407-2005SCSI Primary Commands 3 (SPC-3) standard ISO/IEC 14776-453, ANSI INCITS 408-2005INCITS 451-200852.3 Normative references under developmentAt the time of publication, the referenced standards listed in table 6 were still under development. For information on the
46、 current status of the document, or regarding availability, contact the relevant standards body or other organization as indicated.2.4 Other referencesTable 7 lists the other specifications referenced in this standard and where copies of the specifications may be obtained. The contact information wa
47、s correct at the time of the publication of this standard.Table 6 Normative references under developmentName NumberAT Attachment-8 Serial Transport (ATA8-AST) draft standard INCITS Project T13/1697-DAT Attachment-8 Parallel Transport (ATA8-APT) draft standard ISO/IEC 14776-881, INCITS Project T13/16
48、98-DAT Attachment-8 ATA/ATAPI Command Set (ATA8-ACS) draft standard ISO/IEC 14776-871, INCITS Project T13/1699-DTable 7 Other specificationsSpecification Contact information for obtaining specificationSerial ATA Revision 2.5 Serial ATA International Organization (SATA-IO) at http:/www.sata-io.orgCF+
49、 and CompactFlash Association Specification, Revision 3.0CompactFlash Association at http:/pactflash.org.ATA Packet Interface (ATAPI) for Streaming Tape QIC-157 revision DQuarter-Inch Cartridge Drive Standards, Inc., at 805 963-3853 or http:/www.qic.org.INF-8070 ATAPI for Removable Media SFF Committee, 14426 Black Walnut Court, Saratoga, CA 95070, phone: 408-867-6630, fax: 408-867-2115, or http:/www.sffcommittee.org.MultiMediaCard MCA System Specification, Version 4.1MultiMediaCard Association (MMCA), at http:/www.mmca.org.CE-ATA Digital Proto
