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光纤通道协议标准FC-AE-RDMA
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光纤通道FC-AE-RDMA标准,Fibre Channel Avionics Environment - SCSI-3 Remote Direct Memory Access, 英文版ANSI标准
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Copies of this document may be purchased from: INCITS TR-xx-200x
Global Engineering, 15 Inverness Way East, T11/Project 1651-DT
Englewood, CO 80112-5704
Phone: (800) 854-7179 T11/05-339v5
INCITS working draft proposed
Technical Report
September 22, 2005
Secretariat: Information Technology Industry Council
NOTE:
This is a working draft technical report of the International Accredited Standards Committee,
INCITS. As such, this is not a completed technical report. The T11 Technical Committee or
anyone else may modify this document as a result of comments received anytime, or during a
future public review and its eventual approval as a technical report. Use of the information
contained herein is at your own risk.
Permission is granted to members of INCITS, its technical committees, and their associated task
groups to reproduce this document for the purposes of INCITS standardization activities without
further permission, provided this notice is included. All other rights are reserved. Any
duplication of this document for commercial or for-profit use is strictly Prohibited.
POINTS OF CONTACT:
Robert Snively (T11 Chairman)
Brocade Communications
1745 Technology Drive
San Jose, CA 95131
408-333-8135
E-Mail:
rsnively@brocade.com
Claudio DeSanti (T11 Vice Chairman)
Cisco Systems
170 W. Tasman Dr.
San Jose, CA 95134
408-853-9172 Fax: 408-853-9172
E-Mail:
cds@cisco.com
Craig Carlson (TG T11.3 Chairman)
Qlogic
6321 Bury Drive
Eden Prairie, MN 55346
952-932-4064 Fax: (952) 932-4037
E-Mail:
craig.carlson@qlogic.com
Jim Nelson (FC-AE-2 Facilitator)
Northrop Grumman
1 Hornet Way
El Segundo, CA 90245-2804
310-350-5485 Fax: 310-335-3260
E-Mail:
james.nelson@ngc.com
Steve Wilson (FC-AE-RDMA Editor)
Boeing
8901 Airport Road
St. Louis, MO 63134
314-234-1699 Fax: 314-233-8323
E-Mail:
steven.h.wilson@boeing.com
FIBRE CHANNEL
AVIONICS ENVIRONMENT –
SCSI-3 REMOTE DIRECT MEMORY ACCESS
(FC-AE-RDMA)
REV 1.1
Editor’s Notes, revision 1.1 (post Letter Ballots):
A few highlights –
Added the Foreword and Introduction sections, using FC-SW-4, FC-DA, and FC-MI-2 as guides;
Removed “hanging text”;
Fixed Note numbers and cross-references;
Made all the Technical and Editorial changes necessary from Letter Ballot comments received. See file
05-583v1.pdf.
INCITS TR-xx-200x FC-AE-RDMA, Rev 1.1, September 22, 2005
ANSI®
INCITS TR-xx-200x
draft proposed INCITS Technical Report
Fibre Channel –
SCSI-3 Remote Direct Memory Access –
(FC-AE-RDMA)
Secretariat
Information Technology Industry Council
Approved , 200x
American National Standards Institute, Inc.
Abstract
This technical report defines a set of features necessary to implement a real-time Fibre Channel network
(switched fabric or arbitrated loop) supporting the FC-AE-RDMA Upper Level Protocol. Any device
complying with this report should interoperate with other devices that comply with the FC-AE-RDMA
protocol. The FC-AE-RDMA ULP was first defined in the FC-AE Technical Report, INCITS TR-31-2002.
This is the first update to FC-AE-RDMA as a standalone document.
INCITS TR-xx-200x FC-AE-RDMA, Rev 1.1, September 22, 2005
INCITS
Technical
Report
Series
This technical report is one in a series produced by the American National
Standards Committee, INCITS, Information Technology. The secretariat for
INCITS is held by the Information Technology Industry Council (ITI), 1250 Eye
Street, NW Suite 200, Washington DC 20005.
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 are 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 rigorous standard due to the existence of a number of
viable options, the choice of which depends on the user’s particular
requirements. These technical reports, thus, provide guidelines, the use of which
can result in greater consistency 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 technical report have requested that holders
of patents that may be required for the implementation of the technical report
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 technical 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 respect 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.
Published by
American National Standards Institute
25 W. 43rd Street, New York, New York 10036
Copyright © 200x 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 otherwise,
without prior written permission of the publisher.
Printed in the United States of America
INCITS TR-xx-200x FC-AE-RDMA, Rev 1.1, September 22, 2005
Contents
Foreword.......................................................................................................................................................iii
Introduction .................................................................................................................................................. iv
1. Scope ........................................................................................................................................................1
2. Normative References ..............................................................................................................................2
2.1 Overview..............................................................................................................................................2
2.2 Approved references...........................................................................................................................2
2.3 References under development ..........................................................................................................2
3. Definitions and conventions......................................................................................................................3
3.1 Overview..............................................................................................................................................3
3.2 Definitions............................................................................................................................................3
3.3 Editorial conventions ...........................................................................................................................4
3.3.1 Overview.......................................................................................................................................4
3.3.2 Binary notation..............................................................................................................................4
3.3.3 Hexadecimal notation ...................................................................................................................4
3.4 Abbreviations and acronyms...............................................................................................................5
3.5 Applicability and use of this document................................................................................................6
4. FC-AE-RDMA Protocol .............................................................................................................................7
4.1 Introduction to FC-AE-RDMA..............................................................................................................7
4.2 Remote Direct Memory Access (RDMA) using FCP...........................................................................7
4.2.1 FC-AE-RDMA Modifications to FCP.............................................................................................7
4.2.2 Logical Unit ...................................................................................................................................7
4.2.3 FC-AE-RDMA Frame Header.......................................................................................................8
4.2.4 FC-AE-RDMA Features................................................................................................................8
4.2.4.1 Overview ................................................................................................................................8
4.2.4.2 Port Login Service Parameters ............................................................................................14
4.2.4.3 Process Login Service Parameters......................................................................................14
4.2.4.4 FCP_CMND IU.....................................................................................................................14
4.2.4.4.1 Overview........................................................................................................................14
4.2.4.4.2 Logical Unit Number (FCP_LUN)..................................................................................14
4.2.4.4.3 Control Field (FCP_CNTL)............................................................................................14
4.2.4.4.4 Command Descriptor Block (FCP_CDB) ......................................................................14
4.2.4.4.5 Data Length (FCP_DL)..................................................................................................14
4.2.4.5 FCP_XFER_RDY IU ............................................................................................................14
4.2.4.6 FCP_DATA IU......................................................................................................................15
4.2.4.7 FCP_RSP IU ........................................................................................................................15
Annex A.......................................................................................................................................................17
A.1 Introduction ......................................................................................................................................17
A.2 FC-FS and FC-AL-2 Features for FC-AE-RDMA ............................................................................17
A.2.1 Overview....................................................................................................................................17
A.2.2 Link Protocols............................................................................................................................23
A.2.3 Arbitrated Loop..........................................................................................................................23
A.2.4 Fabric Login...............................................................................................................................24
A.2.4.1 Overview .............................................................................................................................24
A.2.4.2 Fabric Login – Common Service Parameters.....................................................................24
A.2.4.3 Fabric Login – Class Specific Service Parameters.............................................................25
A.2.5 N_Port Login...................................................................................................................................25
A.2.5.1 Overview .............................................................................................................................25
i
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