INTERNATIONAL ISO/IEC STANDARD 14165-222 First edition 2005-05 Information technology - Fibre channel - Part 222: Single-byte command sets-2 mapping protocol (FC-SB-2) IEC ISO Reference number ISO/IEC 14165-222:2005(E) INTERNATIONAL ISO/IEC STANDARD 14165-222 First edition 2005-05 Information technology - Fibre channel Part 222: Single-byte command sets-2 mapping protocol (FC-SB-2) @ ISO/IEC 2005 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any ans, electronic or mechanical, including photocopying and microfilm, without perm ission in writing from the publishe ISO/IEC Copyright Office · Case postale 56· CH-1211 Geneve 20 · Switzerland EC PRICE CODE XC ISO For price, see current catalogue 14165-222 @ ISO/IEC:2005(E) 2 Foreword 9 Introduction 10 Scope 12 2 Normative references 13 2.1 General information concerning references 13 2.2 Approved references 13 2.3 References under development 13 3 Definitions and conventions 14 3.1 Definitions 14 3.2 Keywords 15 3.3 Conventions 16 3.3.1 English usage conventions 16 3.3.2 FC-PH 17 3.3.3E Bit numbering 17 3.3.4 Binary notation 17 3.3.5 Hexadecimal notation 17 3.3.6 Abbreviations, acronyms and symbols 17 4 Structure and concepts 19 4.1 Introduction 19 4.2 FC-4 General description 19 4.3 SB-2 overview 19 4.3.1 SB-2 instance 19 4.3.2 SB-2 protocols 19 4.4 Channel-path elements 20 4.4.1 Overview of channel-path elements 20 4.4.2 Channel 20 4.4.3 Channel image 20 4.4.4 Control unit 21 4.4.5 Control-unit image 21 4.4.6 Link ... 22 4.5 Channel-path configurations 22 4.5.1 Channel-path configuration overview 22 4.5.2 Point-to-point configuration 22 4.5.3 Fabric configuration 23 4.5.4 Physical path 24 4.5.5 Logical path 25 4.5.6 Channel-to-channel communication 25 4.6 Information transfer 26 4.7 Protocols 27 4.7.1 Protocol overview 27 4.7.2 Link leve! 27 4.7.3 Device level 28 4.7.4 Addressing 28 5 FC-PH Link Control 30 5.1 FC-PH Link control overview 30 14165-222@ISO/IEC:2005(E) 5.2 Class of service 30 5.3 Buffer-to-buffer credit reclamation 30 5.4 SB-2 Sequences and exchanges 31 5.4.1 SB-2 sequences 31 5.4.2 SB-2 exchange pairs 31 5.5 FC-PH frame header fields 33 5.5.1 Frame header field overview 33 5.5.2 R_CTL field 33 5.5.3 D_ID and S_ID fields 33 5.5.4 CS_CTL 34 5.5.5 TYPE field 34 5.5.6 F_CTL field 34 5.5.7 SEQ_ID 34 5.5.8 DF_CTL 34 5.5.9 SEQ CNT 34 5.5.10 OX_ID 34 5.5.11 RX_ID 34 5.5.12 Parameter field 35 5.6 Other FC-PH mechanisms 35 6 Link-Level functions 36 6.1 Link-level function overview 36 6.2 FC-PH Basic-link-services 36 6.2.1 Abort sequence 36 6.3 FC-PH Extended link services 36 6.3.1 F_Port login 36 6.3.2 N_Port login 36 6.3.3 N_Port logout 37 6.3.4 Reinstate recovery qualifier 37 6.3.5 Registered state change notification 37 6.3.6 State-change registration 38 6.3.7 Request Node-ldentification Data 39 6.3.8 Registered Link-Incident Record 43 6.3.9 Registered Link-Incident Record requests and responses 43 6.3.10 Link-lncident-Record Registration 47 6.4 SB-2 Link-control functions 47 6.4.1 SB-2 Link-control function overview 47 6.4.2 Establish logical path 49 6.4.3 Remove logical path 52 6.4.4 Logical path established 52 6.4.5 Logical path removed 53 6.4.6 Link-level acknowledgment 54 6.4.7 Test initialization 55 6.4.8 Test initialization result 56 6.4.9 Link-level reject 57 6.4.10 Link-leve! busy 58 7 N_Port link initialization 60 7.1 N_Port link initialization overview 60 7.2 Link-initialization procedure 61 7.3 Initialization process for a channel 62 14165-222@ISO/IEC:2005(E) 5.2 Class of service 30 5.3 Buffer-to-buffer credit reclamation 30 5.4 SB-2 Sequences and exchanges 31 5.4.1 SB-2 sequences 31 5.4.2 SB-2 exchange pairs 31 5.5 FC-PH frame header fields 33 5.5.1 Frame header field overview 33 5.5.2 R_CTL field 33 5.5.3 D_ID and S_ID fields 33 5.5.4 CS_CTL 34 5.5.5 TYPE field 34 5.5.6 F_CTL field 34 5.5.7 SEQ_ID 34 5.5.8 DF_CTL 34 5.5.9 SEQ CNT 34 5.5.10 OX_ID 34 5.5.11 RX_ID 34 5.5.12 Paramet