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Ciprico Rimfire 3880 manual

Models: Rimfire 3880

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Appendix E Design Differences

Page E - 2

Introduction

Introduction

Although the RF3880 is compatible with previous Ciprico VME/SCSI adapters, it is designed to new industry specifications and therefore has some differences that you may need to note if you are upgrading a driver that was written for one of Ciprico’s previous products.

Summary

•Changes in supported features

•Changes in implementation of features

This appendix is useful to anyone who is modifying an existing driver for use with the RF3880.

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User’s Guide

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Ciprico Rimfire 3880 manual

Contents

Rimfire 3880 Scsi Host Bus Adapter Page Page 21020285 D User’s Guide Preface Organization Overview of the RF3880 User’s Guide Initiator Mode Pass-through Commands DescribesOrganization Conventions ConventionsNotational Graphic Graphic Representation of Parameter BlockReference Documents 21020285 D Reference DocumentsContents Scsi ID Status Block Format LUN LUN Table of Contents Description of Fields Command Identifier Diagnostic/Self-test 09H Table of Contents Table of Contents Introduction Summary Specifications Index O d u c t O v e r v i e w Buffering scheme Latest Bus SpecificationsAbout Rimfire Design Product Overview About the Rimfire 3880 DesignTarget Mode Implementation Buffer ManagementWhat next? Product Overview What next?R d w a r e E s s e n t i a l s Hardware Essentials Introduction IntroductionSummary QLogic FAS Hardware Structure DescriptionIntel 80186XL Pipelined System Interface Data BufferGenerator blocks are part of the PSI Block DiagramHardware Essentials Choosing a VMEbus Address Board AddressingChoosing an Address Modifier Hardware Essentials Board AddressingHardware Essentials Hardware Ports General Hardware Port AddressesOverview of the Ports Hardware Port AddressesHardware Essentials Hardware Ports General Address Buffer Port Writes Address Buffer PortHardware Essentials Address Buffer Port Address Modifier FieldHardware Essentials Address Buffer Port Control Field Control Field of Address Buffer PortHardware Essentials Channel Attention Port Single Command Structure Address FieldsChannel Attention Port Channel Format Channel AttentionStatus Port Status Port Reset FormatStatus Port Reset Hardware Essentials Status PortStatus Port Error Codes Status Port Error CodesStatus Port General Format Status Port GeneralStatus Port Catastrophic Error Codes Chapter Hardware Essentials Status PortReset Port Hardware Essentials Reset PortDescriptions of Port Usage Hardware Essentials Descriptions of Port UsageHardware Essentials R d w a r e Installation Hardware Installation Introduction Overview Installation Process Shipping Damage Unpacking the Board Hardware Installation Unpacking the BoardStep Unpacking Board Hardware Installation Jumpers and Termination Step Jumpers TerminationConfiguration Jumpers Default Jumper SettingsBus Request/ Grant Jumper Bus Request/Grant and Sysfail JumpersSysfail JumperAddresses Example Base Address Jumper SettingsExample For the Address Modifier JumperReplacement Fuse Scsi bus TerminationHardware Installation Board Insertion General StepsMeaning LED’s Power-up SequenceHardware Installation Apply power and observe LEDs Error Conditions Selectable Options Step Configure Connect Scsi DevicesHardware Installation Configure and Connect Scsi Devices OptionsScsi Cable Connector CablingHardware Installation M m a n d O p e r a t i o n Command Operation Introduction Command Operation What the Adapter must accomplish What the Adapter must accomplishBlock BaseParameter ParameterCommand Descriptor Block Status Block Format Command Operation Base Status BlockBase Status Block Base Status BlockCommand Operation Base Status Block Setting up Unit Options Multiple Status BlocksCommand Operation Single Command Structure Single Command StructureFormat Single Command Structure Parameter BlockCommand Operation Single Command Structure Interrupt Bit-meanings of Interrupt FieldUsing a Single Command Structure Command Operation Using a Single Command StructureCommand Operation Some Example Single Commands Some Example Single CommandsExample Start Command List Board-control Command Identifier = 822F4HCommand = 01H Interrupt = 0300H21020285 D User’s Guide Example 2Inquiry Pass-through Command Example Pass-through command PBCommand Operation Command Operation Some Example Single Commands Description of the Fields Command List StructureFormat Command List Structure Parameter Block Space Number of Parameter BlocksNumber of Status Blocks Status Block SpaceCreating Command List Structure Command Operation Creating the Command List StructureCommand Operation Using a Command List Structure Using a Command List StructureCommand Guidelines Index GuidelinesAdding a Parameter Block Removing a Status Block Example ‘C’ Routines for Command List Command Operation Example ‘C’ Routines for Command ListStcdone Command Operation Example ‘C’ Routines for Command List Command Operation I t i a t o r t h r o u g h D e P a s s C o m m a n d s Initiator Mode Pass-through Commands Introduction Introduction SummaryTarget ID Command FormatInitiator Pass- through Parameter Block Format Address ModifierBit-meanings of Flags-1 Field DIR and DAT Settings, Vendor-unique Setting DBV DAT and DIR Bits Using Table ValuesExample DAT and DIR bit settings Table of DAT DIR Automatic Settings DAT and DIR Automatic Settings4EH Initiator Mode Pass-through Commands Meaning of TAG Opts Bits Flags-2Bit-meanings of Flag-2 Field Transfer Count Scsi Command Descriptor BlockVME Memory Address Message Code Message FormatPass-through Message Parameter Block Bit-meanings of Flags Field Description of FieldsScsi Pass-through Status Block Error Meaning of Status Byte Code Scsi Status Field during Unexpected Scsi PhaseBit-meanings of Scsi Status Field Three signals. This is described below Meaning of Status Byte Unexpected PhaseOrdering of 1st 16 Sequential Sense Bytes Default Ordering of Sense BytesUp to 32 Sequential Sense Bytes Example of Selected Sense Bytes Initiator Mode Pass-through Commands R g e t t h r o u g h D e P a s s C o m m a n d s Target Mode Pass-through Commands Introduction What is Target Mode? Target Mode Pass-through Commands Overview of Target ModeWhat must the adapter accomplish in Target Mode? Target Mode Pass-through CommandsAdapter must have a means of handling Scsi protocol issues Target Mode Enable Command Overview Special Target Mode CommandsNew commands Target Mode Disable CommandCommand Descriptor Block Group Codes Scsi Command Descriptor Block GroupsTarget Mode Pass-through Commands Command Operation Command OperationSequence Events Enabling Target Mode Sequence Events Receiving a Command From an Initiator Sequence of Events Responding to an Initiator Target Selection Data Structure Target Selection Data StructureMeaning of Flags Field Meaning of Scsi Flags Field Initiator Identifier Command Descriptor Block LengthIdentify Message Received Message Bytes ReceivedSemaphore Field Initiator ID Target Mode Response CommandTarget Mode Response Parameter Block ⇒ Target Mode Response command Meaning of Response Control Flags Field Message Byte Status or 1st Message ByteSecond TM Response Command Status Block Target Mode Response Command Status BlockFirst TM Response Command Status Block Meaning of Status Block Flags Field Meaning of Command Status Flags Field Target Mode Error Sequence Codes Message Byte ReceivedA r d c o n t r o l C o m m a n d s Board-control Commands Introduction Using the Reference Board-control Commands Using the ReferenceGeneral Status Block Format Board-control Commands General Status BlockGeneral Status Block General Status BlockBoard-control Commands List of CommandsBoard-control Commands List of Commands Command List Memory Address Board-control Commands Start Command List 01HStart Command List Parameter Block Adapter IDBoard-control Commands Start Command List 01H Interrupt Command CodeBoard-control Commands Stop Command List 02H Stop Command List Parameter BlockIdentify 05H Board-control Commands Identify 05HIdentify Command Parameter Block Engineering Revision Identify Command Status BlockIdentify Command Status Block Firmware RevisionAdapter Scsi ID Bits Board-control Commands Identify 05H Option FlagsOption Flags Field Identify Status Block Day, Month, YearBoard Statistics 06H Board-control Commands Board Statistics 06HBoard Statistics Command Parameter Block Board-control Commands Board Statistics 06H Options Options FieldTarget Mode Selection Count Total Commands ProcessedTotal Scsi Commands issued to an ID Statistics Data StructureGeneral Options Command Parameter Block Command Format Description of FieldsBoard-control Commands General Options 07H General Options 07HSelect Flags Bus ThrottleBus Throttle Field Values Select Flags ByteCommand code for this command is 07H Unit Options 08H Board-control Commands Unit Options 08HUnit Options Command Parameter Block Unit Scsi IDRetry Control Board-control Commands Unit Options 08H Disconnect Time-outRetry Limit Retry ControlUnit Flags Select Time-outUnit Flags Initiator Mode Sense CountSelected Sense Bytes Example Use of Selected Sense Bytes Fields Example Selection of Sense BytesDiagnostic/Self-test Parameter Block Diagnostic/ Self-test 09HBoard-control Commands Diagnostic/Self-test 09H Diagnostics Command Test Flags FieldCommand code for this operation is 09H Bit-meanings of Flags Byte in Status Block Diagnostic Command Status BlockFlags Byte Target Mode Enable Parameter Block Target Mode Enable 0AHBoard-control Commands Target Mode Enable 0AH Pointer to the Target Selection Data StructureMeaning of Selection Interrupt Field Target Mode Disable Parameter Block Target Mode Disable 0BHBoard-control Commands Target Mode Disable 0BH Meaning of Flags-1 FieldAbort 0DH Board-control Commands Abort 0DHCommand Identifier of CMD to be Aborted Abort Parameter BlockScsi Hard Reset Parameter Block Scsi Hard Reset 10HBoard-control Commands Scsi Hard Reset 10H Board-control Commands Board Information 15H Board Information 15HBoard Information Options Field Board-control Commands Board Information 15H OptionsBoard Information Data Structure Board Information Data StructureBoard Information Select Flags Field Board-control Commands Board Information 15H Bus Throttle Board-control Commands Board Information 15H Option Flags RST Reset JumperAdapter Base Model # Board-control Commands Board Information 15H TerminationScsi Cfig Block Per Target Device Flags Per Target Retry LimitPer Target Sense Count Bit-meanings of Device Flags FieldPer Target Synch Period Per Target Width Per Target Selected Sense BytesExtended Board Statistics Parameter Block Board-control Commands Extended Board Statistics 16HExtended Board Statistics 16H Board-control Commands Extended Board Statistics 16H Options Extended Board Options FieldPer Scsi Target Number of Commands Total Commands IssuedNumber of Scsi Parity Errors Extended Statistics Data StructurePer Scsi Target Maximum Queued Board-control CommandsPer Scsi Target Queue Full Count Extended Unit Options Parameter Block Board-control Commands Extended Unit Options 18HExtended Unit Options 18H Extended Unit Options Data Structure Description of Fields Extended Unit Options Data StructureBit-meanings of Retry Control Field Board-control Commands Extended Unit Options 18H Unit Flags Unit Flags of Extended Unit OptionsBoard-control Commands Extended Unit Options 18H Selected Sense Bytes T a i l s o f U s a g e Details of Usage Introduction Example of Memory Differences Need for SwappingDetails of Usage Byte and Word Swapping Variations in Intel and Motorola MemoryPass-through command Parameters Intel Ordering Motorola OrderingIntel Ordered Parameter Block Command Structure SwappingRF3880 Swapping Options Dual Initiators Data SwappingSharing Tapes Queuing How to UseTagged TaggedRF3880 sends the tag message Details of Usage Tagged Queuing Choose a tag messageMeaning of Flags-2 Field Queue Full Status UsageQueue Tag Numbers Message RejectSelection Queue Target Mode Usage Scsi Protocol HandlingScsi Bus Reset Handling Target Mode Disable Command Handling Abort Command Handling Synchronous Data Transfer RequestsWide Data Transfer Requests Initiator-detected Error messages Parity error conditionsMessage parity errors Target RoutinesMessage Bytes Received from the Initiator Disconnect PrivilegeMessage Handling 21020285 D User’s Guide User’s Guide 21020285 D Details of Usage Error codes Codes Reported in Status Block and Status Port Status Block Error CodesAppendix a Error Codes Introduction Appendix a Error Codes Summary Error CodesAppendix a Error Codes 2BHA1H Appendix a Error Codes Status Port Error Codes Status Port Error CodesCatastrophic Error Codes Self-test Error Codes Diagnostic Command Self-test Status Port Error Codes 8CHB l e s a n d C o n n e c t o r s Appendix B Cables and Connectors Introduction Cable Connector Pin-outs for the RF3886 ConnectorAppendix B Cables and Connectors Scsi Connector Maximum Cable LengthP1 Connector VMEbus Connector PinoutsAppendix B Cables and Connectors VMEbus Connector Pinouts P2 Connector RetryAppendix B Cables and Connectors Specification s Appendix C Specifications Introduction Specifications for the Rf3880 SpecificationsAppendix C Specifications Appendix C Specifications 21020285 D User’s Guide Fault s Appendix D Defaults Introduction Hardware Defaults Jumpers Hardware DefaultsAppendix D Defaults Hardware Defaults Defaults for Hardware PortsCommand Defaults DefaultsAppendix D Defaults TAG Appendix D Defaults S i g n D i f f e r e n c e s Appendix E Design Differences Introduction Scatter/Gather Operations Features no longer SupportedAppendix E Design Differences Features no longer Supported Byte and Word Swapping of DataWidth of Data Transfers on the VMEbus Status Port Error Codes and Test FlagsAppendix E Design Differences Implementation Differences Extended Scsi ID’sBlock Mode Transfers Scsi Data WidthsHow to Maximize Performance Odd-byte AddressingD e Index User’s Guide 21020285 D PSI Scsi ID Index Page 21020285 D