1、American National StandardDeveloped byfor Information Technology SCSI over PCI Express(SOP)INCITS 489-2014INCITS 489-2014INCITS 489-2014American National Standardfor Information Technology SCSI over PCI Express(SOP)SecretariatInformation Technology Industry CouncilApproved June 24, 2014American Nati
2、onal Standards Institute, Inc.AbstractThis standard specifies the information to be transported across PCI Express to support the services required by SAM-5 of a service delivery subsystem.Approval of an American National Standard requires review by ANSI that therequirements for due process, consens
3、us, and other criteria for approval havebeen met by the standards developer.Consensus is established 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 ma
4、jority, but not necessarily unanimity. Consensus requires that allviews and objections be 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 app
5、rovedthe standards or not, from manufacturing, marketing, purchasing, or usingproducts, processes, 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. M
6、oreover, no person shall have the right or authority to issue aninterpretation of an American 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.
7、CAUTION NOTICE: This American National Standard may be revised orwithdrawn at any time. The 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 inf
8、ormation on all standards by calling or writing the AmericanNational Standards Institute.American National StandardPublished byAmerican National Standards Institute, Inc.25 West 43rd Street, New York, NY 10036Copyright 2014 by Information Technology Industry Council (ITI)All rights reserved.No part
9、of this publication may be reproduced in anyform, in an electronic retrieval system or otherwise,without prior written permission of ITI, 1101 K Street NW, Suite 610, Washington, DC 20005. Printed in the United States of AmericaCAUTION: The developers of this standard have requested that holders of
10、patents that may be re-quired for the implementation of the standard disclose such patents to the publisher. However, nei-ther the developers nor the publisher have undertaken a patent search in order to identify which, ifany, patents may apply to this standard. As of the date of publication of this
11、 standard, followingcalls for the identification of patents that may be required for the implementation of the standard,notice of one or more such claims has been received. By publication of this standard, no positionis taken with respect to the validity of this claim or of any rights in connection
12、therewith. The knownpatent holder(s) has (have), however, filed a statement of willingness to grant a license underthese rights on reasonable and nondiscriminatory terms and conditions to applicants desiring to ob-tain such a license. Details may be obtained from the publisher. No further patent sea
13、rch is con-ducted by the developer or publisher in respect to any standard it processes. No representation ismade or implied that this is the only license that may be required to avoid infringement in the use ofthis standard.iContentsPage1 Scope . 12 Normative references . 22.1 Normative references
14、. 22.2 Approved references 22.3 References under development . 22.4 Other references 23 Definitions, symbols, abbreviations, and conventions . 43.1 Definitions . 43.2 Symbols and abbreviations 73.3 Keywords 83.4 Editorial conventions 93.5 Numeric and character conventions . 103.5.1 Numeric conventio
15、ns 103.5.2 Byte encoded character strings conventions 103.6 Bit and byte ordering 113.7 Notation for procedure calls . 133.8 UML notation convention 133.8.1 UML notation convention overview . 133.8.2 Constraint and note conventions 143.8.3 Class diagram conventions . 153.8.4 Object diagram conventio
16、ns . 204 General 214.1 PCI Express configuration 214.2 PCI Express queuing layer services . 214.3 SOP classes . 224.3.1 SOP classes overview 224.3.2 SOP Domain class 244.3.2.1 SOP Domain class overview . 244.3.2.2 SOP Service Delivery Subsystem class 244.3.2.2.1 SOP Service Delivery Subsystem class
17、overview . 244.3.2.2.2 PCI Express Fabric class . 254.3.2.2.3 Queue Structure class . 254.3.2.2.4 Inbound Queue class . 254.3.2.2.5 Outbound Queue class 254.3.2.3 SOP Device class 254.3.2.4 SOP Initiator Device class . 274.3.2.5 SOP Management Application Client class . 274.3.2.5.1 SOP Management Ap
18、plication Client class overview 274.3.2.5.2 Received SOP Management Function Executed operation 284.3.2.5.3 Nexus Loss operation 284.3.2.5.4 Transport Reset operation . 284.3.2.6 SOP SCSI Application client class 284.3.2.6.1 SOP SCSI Application client class overview . 284.3.2.6.2 Command Complete R
19、eceived operation 284.3.2.6.3 Received Task Management Function Executed operation 284.3.2.6.4 Nexus Loss operation 284.3.2.6.5 Transport Reset operation 284.3.2.7 SOP Target Device class 284.3.2.8 SOP Management Device Server class 29ii4.3.2.8.1 SOP Management Device Server class overview . 294.3.2
20、.8.2 SOP Management Function Received operation 294.3.2.9 SOP Port class 294.3.2.9.1 SOP Port class overview . 294.3.2.9.2 Relative Port Identifier attribute . 294.3.2.9.3 SOP Initiator Port class 304.3.2.9.3.1 SOP Initiator Port class overview . 304.3.2.9.3.2 Send SCSI Command operation 304.3.2.9.3
21、.3 Send Task Management Request operation 304.3.2.9.3.4 Send SOP Management Request operation 314.3.2.9.3.5 Outbound IU Received operation . 314.3.2.9.4 Host Queuing Interface class . 314.3.2.9.4.1 Host Queuing Interface class overview 314.3.2.9.4.2 Routing ID attribute 314.3.2.9.4.3 Add To Inbound
22、Queue operation 314.3.2.9.5 SOP Target Port class . 314.3.2.9.5.1 SOP Target Port class overview 314.3.2.9.5.2 Send Data-In operation 324.3.2.9.5.3 Receive Data-Out operation . 324.3.2.9.5.4 Terminate Data Transfer operation 334.3.2.9.5.5 Send Command Complete operation . 334.3.2.9.5.6 Task Manageme
23、nt Function Executed operation . 334.3.2.9.5.7 SOP Management Function Executed operation . 334.3.2.9.5.8 Inbound IU Received operation 334.3.2.9.6 Device Queuing Interface class . 334.3.2.9.6.1 Device Queuing Interface class overview 334.3.2.9.6.2 Routing ID attribute 334.3.2.9.6.3 Add To Outbound
24、Queue operation . 334.3.2.10 SOP Task Router class . 344.3.2.10.1 SOP Task Router class overview 344.3.2.10.2 Route Command operation 344.3.2.10.3 Route Task Management Function operation 344.3.2.11 Bridge class . 344.3.2.11.1 Bridge class overview 344.3.2.11.2 Bridge Application Client class 364.3.
25、2.11.2.1 Bridge Application Client class overview 364.3.2.11.2.2 Forward SCSI Command operation . 364.3.2.11.2.3 Forward Task Management Request operation . 364.3.2.11.2.4 Command Complete Received operation 364.3.2.11.2.5 Received Task Management Function Executed operation . 364.3.2.11.2.6 Nexus L
26、oss operation 364.3.2.11.2.7 Transport Reset operation . 364.3.2.11.3 Bridge Task Manager class . 364.3.2.11.3.1 Bridge Task Manager class overview 364.3.2.11.3.2 SCSI Command Received operation . 364.3.2.11.3.3 Task Management Request Received operation . 374.3.2.11.3.4 Data Transfer Terminated ope
27、ration 374.3.2.11.3.5 Forward Task Management Function Executed operation 374.3.2.11.3.6 Nexus Loss operation 374.3.2.11.3.7 Transport Reset operation . 374.3.2.11.3.8 Power Loss Expected operation 374.3.2.11.4 Bridge Device Server class 374.3.2.11.4.1 Bridge Device Server class overview . 374.3.2.1
28、1.4.2 Data-In Delivered operation . 374.3.2.11.4.3 Data-Out Received operation . 374.3.2.11.4.4 Data Transfer Terminated operation 384.3.2.11.4.5 Forward Command Complete operation 38iii4.3.2.11.4.6 Nexus Loss operation 384.3.2.11.4.7 Transport Reset operation . 384.3.2.11.4.8 Power Loss Expected op
29、eration 384.3.2.11.4.9 SCSI Initiator Port class . 384.3.2.12 SOP domain example . 394.4 Names and identifiers . 404.4.1 Names and identifiers overview 404.4.2 PCI Express IDs . 424.4.3 NAA IEEE Registered format identifier . 424.4.4 NAA Locally Assigned format identifier . 424.4.5 Device names . 43
30、4.4.6 SOP target port names . 434.4.7 SOP target port identifiers 434.4.8 Routing ID . 434.4.9 Nexus Identifiers . 444.5 Bridge . 444.5.1 Bridge overview 444.5.2 Nexus identifiers for bridges . 464.5.3 Nexus generation count 464.5.4 Forwarding by a bridge . 474.5.5 SCSI Command Received to Send SCSI
31、 Command mapping . 494.5.6 Command Complete Received to Send Command Complete mapping . 514.5.7 Task Management Request Received to Send Task Management Request mapping 534.5.8 Received Task Management Function Executed to Task Management Function Executed mapping . 554.5.9 Request identifier and ou
32、tbound queue identifier mapping . 564.6 Data transfers . 564.7 Request identifier . 574.8 SCSI events . 574.8.1 Hard reset . 574.8.2 I_T nexus loss . 584.8.3 Power loss expected . 584.9 Fencing . 584.9.1 Fencing overview 584.9.2 Sending a request IU for a fencing command or fencing task management f
33、unction . 594.9.3 Processing a fencing command or a fencing task management function . 594.9.4 Processing a response IU for a fencing command or fencing task management function . 604.10 Asynchronous events . 604.10.1 Asynchronous events overview 604.10.2 INBOUND QUEUE ERROR event type 624.10.3 NEXU
34、S IDENTIFIER INVENTORY HAS CHANGED event type 634.10.4 BRIDGE LOCAL PORT DETECTED ERROR event type 644.11 Parameter rounding 645 SOP information unit layer . 655.1 SOP information unit layer overview 655.2 SOP IU definitions 655.2.1 SOP IU definitions overview . 655.2.2 IU header 675.2.3 NULL IU 695
35、.2.4 General management request IUs 705.2.4.1 REPORT GENERAL IU . 705.2.4.1.1 REPORT GENERAL IU overview 705.2.4.1.2 REPORT GENERAL parameter data 715.2.4.2 REPORT EVENT CONFIGURATION IU . 735.2.4.2.1 REPORT EVENT CONFIGURATION IU overview 735.2.4.2.2 REPORT EVENT CONFIGURATION Data-In Buffer conten
36、ts 745.2.4.3 SET EVENT CONFIGURATION IU . 75iv5.2.4.3.1 SET EVENT CONFIGURATION IU overview 755.2.4.3.2 SET EVENT CONFIGURATION parameter list . 775.2.5 SCSI request IUs 795.2.5.1 LIMITED COMMAND IU 795.2.5.2 COMMAND IU . 815.2.5.3 EXTENDED COMMAND IU 855.2.5.4 TASK MANAGEMENT IU 895.2.6 Bridge mana
37、gement request IUs 925.2.6.1 REPORT BRIDGE LOCAL PORTS IU 925.2.6.1.1 REPORT BRIDGE LOCAL PORTS IU overview . 925.2.6.1.2 REPORT BRIDGE LOCAL PORTS parameter data . 935.2.6.2 REPORT BRIDGE LOCAL PORT DETAILS IU 955.2.6.2.1 REPORT BRIDGE LOCAL PORT DETAILS IU overview . 955.2.6.2.2 REPORT BRIDGE LOCA
38、L PORT DETAILS parameter data 975.2.6.3 REPORT BRIDGE NEXUSES IU 995.2.6.3.1 REPORT BRIDGE NEXUSES IU overview . 995.2.6.3.2 REPORT BRIDGE NEXUSES parameter data . 1005.2.6.4 REPORT BRIDGE NEXUS DETAILS IU . 1025.2.6.4.1 REPORT BRIDGE NEXUS DETAILS IU overview 1025.2.6.4.2 REPORT BRIDGE NEXUS DETAIL
39、S parameter data 1035.2.6.5 REMOVE BRIDGE NEXUS IU 1045.2.7 General response IUs . 1055.2.7.1 MANAGEMENT RESPONSE IU . 1055.2.7.1.1 MANAGEMENT RESPONSE IU overview 1055.2.7.1.2 Result specific data for INVALID FIELD IN REQUEST IU . 1075.2.7.1.3 Result specific data for INVALID FIELD IN DATA-OUT BUFF
40、ER . 1075.2.7.2 EVENT IU 1085.2.7.3 EVENT ACKNOWLEDGE IU 1095.2.8 SCSI command response IUs . 1095.2.8.1 SUCCESS IU 1095.2.8.2 COMMAND RESPONSE IU 1115.2.8.2.1 COMMAND RESPONSE IU overview . 1115.2.8.2.2 No sense data and no response data 1165.2.8.2.3 Sense data present 1165.2.8.2.4 Response data pr
41、esent 1165.2.8.3 TASK MANAGEMENT RESPONSE IU . 1185.3 SOP sequences for SCSI commands and task management functions 1185.3.1 SOP sequences for SCSI commands and task management functions overview 1185.3.2 Task management function sequence 1195.3.3 Non-data command sequence 1195.3.4 Read command sequ
42、ence 1205.3.5 Write command sequence 1205.3.6 Bidirectional command sequence . 1226 Application layer . 1236.1 Application layer overview 1236.2 SCSI transport protocol services 1246.2.1 SCSI transport protocol services for SCSI commands . 1246.2.1.1 SCSI transport protocol services for SCSI command
43、s overview 1246.2.1.2 Send SCSI Command transport protocol service request . 1256.2.1.3 SCSI Command Received transport protocol service indication . 1266.2.1.4 Send Command Complete transport protocol service response . 1286.2.1.5 Command Complete Received transport protocol service confirmation .
44、1316.2.1.6 Send Data-In transport protocol service request . 1326.2.1.7 Data-In Delivered transport protocol service confirmation 1346.2.1.8 Receive Data-Out transport protocol service request . 1346.2.1.9 Data-Out Received transport protocol service confirmation 135v6.2.1.10 Terminate Data Transfer
45、 transport protocol service request . 1366.2.1.11 Data Transfer Terminated transport protocol service confirmation . 1366.2.2 SCSI transport protocol services for task management functions 1376.2.2.1 SCSI transport protocol services for task management functions overview . 1376.2.2.2 Send Task Manag
46、ement Request transport protocol service request 1386.2.2.3 Task Management Request Received SCSI transport protocol service indication . 1406.2.2.4 Task Management Function Executed SCSI transport protocol service response . 1426.2.2.5 Received Task Management Function Executed transport protocol s
47、ervice confirmation 1446.2.3 SCSI transport protocol services for event notification . 1456.2.3.1 Transport Reset transport protocol service indication . 1456.2.3.2 Nexus Loss transport protocol service indication 1466.2.3.3 Power Loss Expected transport protocol service indication 1466.3 Task route
48、r and task manager error handling 1476.3.1 Request identifier overlap handling summary . 1476.3.2 SCSI command overlap with SCSI command . 1476.3.3 SCSI command overlap with task management function or SOP management function . 1476.3.4 Task management function overlap 1486.3.5 SOP management functi
49、on overlap . 1486.4 Device server error handling 1496.4.1 Device server Data-In Buffer error handling . 1496.4.2 Device server Data-Out Buffer error handling . 1506.5 SCSI commands 1516.5.1 INQUIRY command 1516.5.2 MODE SELECT and MODE SENSE commands 1516.6 SCSI mode parameters 1516.6.1 SCSI mode parameters overview . 1516.6.2 Protocol-Specific Logical Unit mode page 1526.6.3 Protocol-Specific Port mode page 1526.7 SCSI vital product data (VPD) 1536.7.1 SCSI vital product data (VPD) overview . 1536.7.2 Device Identification VPD page 153Annex A (normative) Mapping SOP over PQI 156A.1 SOP
