9318 PT*3 90 485190301010453 INTERNATIONAL ISO/IEC STANDARD 9318-3 First'edition 1990-12-15 Information technology - Intelligent Peripheral Interface Part 3: Device generic command set for magnetic and optical disk drives Technologies de I'information -- Interface pour les peripheriques intelligents- Partie 3: Jeu de commandes generiques appareil pour les disques magnetiques et optiques Referencenumber ISO/IEC9318-3:1990 (E) copynigt 9hOTOTO EOTS 931 PT*3 90 5 ISO/IEC 9318-3 : 1990 (E) Contents Page Foreword xxvi Introduction xxvii 1 Scope 1 2 Normative reference 2 3 Definitionsandconventions 3 3.1 Definitions 3 3.2 Conventions 5 4 Logicalinterfacecharacteristics 6 4.1 Operations 6 4.1.1 Commands .. . 6 4.1.1.1 Command types 6 4.1.1.2 Command stacking 6 4.1.1.2.1 Individual 6 4.1.1.2.2 Queued . 7 4.1.1.3 Command execution order 4.1.2 Operation responses 8 4.1.2.1 interrupts 8 4.1.2.2 Responsetypes 9 4.1.2.2.1 Command completion response . 9 4.1.2.2.2 Transfer Notification Response (optional) 6 4.1.2.2.3 Asynchronous response . : 9 4.1.2.2.4 Imbedded data response (optional) 9 4.1.2.3 Response handling .. . 9 4.1.3 Physical interface error recovery considerations 4.1.3.1 Recovery from unsuccessful Slave Status octet 10 4.1.3.2 Recovery from bad parity on the Slave Status octet 10 4.2Operationsequences. 11 4.2.1 Siave procedures 11 4.2.2Basicsteps 11 4.2.2.1 Transmit Command packet to slave 11 4.2.2.2 Poll interrupts . 12 ... 4.2.2.3 Receive Response packet from slave 12 4.2.2.4 Transfer of data between master and slave 12 4.2.3 Operation sequence examples .. . . 33 4.2.3.1 Example of facility selection and individual commands 4.2.3.2 Example of facility selection and queued commands 13 4.2.3.3 Example of slave selection. 14 4.2.3.4 Example of slave selection and slave control of Bus 14 4.3 Multiplexed data transfers (optional) 15 4.3.1 Physical interface Pause and Continue (optional) 55 4.3.2 Slave pause and master Continue . : 4.3.2.1 Implicit continue 16 4.3.2.2Explicitcontinue 16 4.3.3 lSlave control of Pause and Continue 16 4.3.4MastercontrolofPauseandContinue 67 4.3.5 Uses of multiplexing . 4.3.5.1 One paused transfer per facility 17 ISO/IEC1990 All rights reserved.Nopart of this publicationmaybe reproduced or utilized in any form or by any means,electronic or mecharlical, including photocopying and microfilm, without permission in writing from the publisher. ISp/IEC Copyright Office Case postale 56. CH-1211 Geneve 20Switzerland Printed in Switzerland ii Device Generic Command Set for Magnetic and Optical Disk Drives Not for Resale Ob. E*Jd ateb 4851903 0101047 7 ISO/IEC 9318-3 : 1990 (E) 4.3.5.2 One paused transfer per slave 4.3.5.3 Multiple paused transfers per slave 4.3.6 Anticipated pause 4.3.6.1 Master stays selected 4.3.6.2 Master deselects 4.3.7 Unanticipated pauses by the slave 88 4.3.8 Unanticipated pauses by the master 4.3.9 Multiplexed transfer mode identification 18 4.4 Data groupings 18 99990 4.4.1 PhysicalBlocks 4.4.2 DataB1ocks 4.4.3 Extents 4.4.4 Partitions 4.4.4.1 Slave-defined partitions 20 4.4.4.1.1Datapartition. 20 4.4.4.1.2 Maintenance partitions 20 4.4.4.2 Master-defined partitions 20 4.4.4.2.1 Data partitions 20 4.4.4.2.2 Maintenance partitions 20 4.4.5 Alternate data areas 20 4.4.6 Physical groups 4.5 Media addressing definitions 4.5.1 Absolute addressing 4.5.2 Physical addressing . 4.5.3 Logical addressing 4.5.4 Media defect managem onsiderations 4.6 Interface addressing definitions 4.6.1 Actual Addresses 4.6.2 Selection Addresses 4.6.3CommandAddresses 4.6.4 Facility Address 4.6.5 Synonym Addresses (optional) 4.6.6 Alias Addresses (optional) 4.6.7 Partition parameters . 4.6.8 Communication addresses (optional) 4.6.9Addressexamples 4.7 Slave and facility conditions 4.7.1 Interface conditions 4.7.1.1 P-Available 4.7.1.2 Not P-Available 4.7.1.3 Operational 4.7.1.4 Not Operational 4.7.1.5 P-Busy 4.7.1.6 Not P-Busy 4.7.1.7 L-Available 4.7.1.8 Not L-Available 4.7.1.10 Not L-Busy 4.7.2 General conditions