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Ciprico Rimfire 3880 manual Command Operation

Models: Rimfire 3880

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		Chapter 4 Command Operation
Page 4 - 26		Example ‘C’ Routines for Command List

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User’s Guide

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Ciprico Rimfire 3880 manual Command Operation

Contents

Rimfire 3880 Scsi Host Bus Adapter Page Page 21020285 D User’s Guide Preface Organization Initiator Mode Pass-through Commands Describes OrganizationOverview of the RF3880 User’s Guide Conventions Notational GraphicConventions 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 Latest Bus Specifications About Rimfire DesignBuffering scheme 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 Introduction SummaryHardware Essentials Introduction Hardware Structure Description Intel 80186XLQLogic FAS Pipelined System Interface Data BufferBlock Diagram Hardware EssentialsGenerator blocks are part of the PSI Board Addressing Choosing an Address ModifierChoosing a VMEbus Address Hardware Essentials Board AddressingHardware Port Addresses Overview of the PortsHardware Essentials Hardware Ports General Hardware Port AddressesHardware Essentials Hardware Ports General Address Buffer Port Hardware Essentials Address Buffer PortAddress Buffer Port Writes Address Modifier FieldHardware Essentials Address Buffer Port Control Field Control Field of Address Buffer PortSingle Command Structure Address Fields Channel Attention PortHardware Essentials Channel Attention Port Channel Format Channel AttentionStatus Port Reset Format Status Port ResetStatus Port 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 Hardware Installation Unpacking the Board Step Unpacking BoardShipping Damage Unpacking the Board Hardware Installation Jumpers and Termination Step Jumpers TerminationConfiguration Jumpers Default Jumper SettingsBus Request/ Grant Jumper Bus Request/Grant and Sysfail JumpersSysfail JumperExample Base Address Jumper Settings ExampleAddresses For the Address Modifier JumperReplacement Fuse Scsi bus TerminationHardware Installation Board Insertion General StepsPower-up Sequence Hardware Installation Apply power and observe LEDsMeaning LED’s Error Conditions Step Configure Connect Scsi Devices Hardware Installation Configure and Connect Scsi DevicesSelectable Options 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 accomplishBase ParameterBlock ParameterCommand Descriptor Block Command Operation Base Status Block Base Status BlockStatus Block Format Base Status BlockCommand Operation Base Status Block Setting up Unit Options Multiple Status BlocksSingle Command Structure Format Single Command StructureCommand Operation 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 StructureSome Example Single Commands Example Start Command List Board-controlCommand Operation Some Example Single Commands 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 Command List Structure Format Command List StructureDescription of the Fields Number of Parameter Blocks Number of Status BlocksParameter Block Space Status Block SpaceCreating Command List Structure Command Operation Creating the Command List StructureUsing a Command List Structure Command GuidelinesCommand Operation Using a Command List Structure 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 SummaryCommand Format Initiator Pass- through Parameter Block FormatTarget ID Address ModifierBit-meanings of Flags-1 Field Setting DBV DAT and DIR Bits Using Table Values Example DAT and DIR bit settingsDIR and DAT Settings, Vendor-unique Table of DAT DIR Automatic Settings DAT and DIR Automatic Settings4EH Initiator Mode Pass-through Commands Flags-2 Bit-meanings of Flag-2 FieldMeaning of TAG Opts Bits Scsi Command Descriptor Block VME Memory AddressTransfer Count Message Format Pass-through Message Parameter BlockMessage Code Description of Fields Scsi Pass-through Status BlockBit-meanings of Flags Field Error Scsi Status Field during Unexpected Scsi Phase Bit-meanings of Scsi Status FieldMeaning of Status Byte Code Three signals. This is described below Meaning of Status Byte Unexpected PhaseDefault Ordering of Sense Bytes Up to 32 Sequential Sense BytesOrdering of 1st 16 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 ModeTarget Mode Pass-through Commands Adapter must have a means of handling Scsi protocol issuesWhat must the adapter accomplish in Target Mode? Overview Special Target Mode Commands New commandsTarget Mode Enable Command Target Mode Disable CommandCommand Descriptor Block Group Codes Scsi Command Descriptor Block GroupsCommand Operation Sequence Events Enabling Target ModeTarget Mode Pass-through Commands Command Operation 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 Command Descriptor Block Length Identify Message ReceivedInitiator Identifier Message Bytes ReceivedSemaphore Field Target Mode Response Command Target Mode Response Parameter BlockInitiator ID ⇒ Target Mode Response command Meaning of Response Control Flags Field Message Byte Status or 1st Message ByteTarget Mode Response Command Status Block First TM Response Command Status BlockSecond 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 ReferenceBoard-control Commands General Status Block General Status BlockGeneral Status Block Format General Status BlockList of Commands Board-control Commands List of CommandsBoard-control Commands Board-control Commands Start Command List 01H Start Command List Parameter BlockCommand List Memory Address Adapter IDBoard-control Commands Start Command List 01H Interrupt Command CodeBoard-control Commands Stop Command List 02H Stop Command List Parameter BlockBoard-control Commands Identify 05H Identify Command Parameter BlockIdentify 05H Identify Command Status Block Identify Command Status BlockEngineering Revision Firmware RevisionBoard-control Commands Identify 05H Option Flags Option Flags Field Identify Status BlockAdapter Scsi ID Bits Day, Month, YearBoard-control Commands Board Statistics 06H Board Statistics Command Parameter BlockBoard Statistics 06H Board-control Commands Board Statistics 06H Options Options FieldTotal Commands Processed Total Scsi Commands issued to an IDTarget Mode Selection Count Statistics Data StructureCommand Format Description of Fields Board-control Commands General Options 07HGeneral Options Command Parameter Block General Options 07HBus Throttle Bus Throttle Field ValuesSelect Flags Select Flags ByteCommand code for this command is 07H Board-control Commands Unit Options 08H Unit Options Command Parameter BlockUnit Options 08H Unit Scsi IDBoard-control Commands Unit Options 08H Disconnect Time-out Retry LimitRetry Control Retry ControlSelect Time-out Unit FlagsUnit Flags Initiator Mode Sense CountSelected Sense Bytes Example Use of Selected Sense Bytes Fields Example Selection of Sense BytesDiagnostic/ Self-test 09H Board-control Commands Diagnostic/Self-test 09HDiagnostic/Self-test Parameter Block Diagnostics Command Test Flags FieldCommand code for this operation is 09H Diagnostic Command Status Block Flags ByteBit-meanings of Flags Byte in Status Block Target Mode Enable 0AH Board-control Commands Target Mode Enable 0AHTarget Mode Enable Parameter Block Pointer to the Target Selection Data StructureMeaning of Selection Interrupt Field Target Mode Disable 0BH Board-control Commands Target Mode Disable 0BHTarget Mode Disable Parameter Block Meaning of Flags-1 FieldBoard-control Commands Abort 0DH Command Identifier of CMD to be AbortedAbort 0DH Abort Parameter BlockScsi Hard Reset 10H Board-control Commands Scsi Hard Reset 10HScsi Hard Reset Parameter Block Board-control Commands Board Information 15H Board Information 15HBoard-control Commands Board Information 15H Options Board Information Data StructureBoard Information Options Field 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 JumperBoard-control Commands Board Information 15H Termination Scsi Cfig BlockAdapter Base Model # Per Target Retry Limit Per Target Sense CountPer Target Device Flags Bit-meanings of Device Flags FieldPer Target Synch Period Per Target Width Per Target Selected Sense BytesBoard-control Commands Extended Board Statistics 16H Extended Board Statistics 16HExtended Board Statistics Parameter Block Board-control Commands Extended Board Statistics 16H Options Extended Board Options FieldTotal Commands Issued Number of Scsi Parity ErrorsPer Scsi Target Number of Commands Extended Statistics Data StructureBoard-control Commands Per Scsi Target Queue Full CountPer Scsi Target Maximum Queued Board-control Commands Extended Unit Options 18H Extended Unit Options 18HExtended Unit Options Parameter Block 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 Need for Swapping Details of Usage Byte and Word SwappingExample of Memory Differences Variations in Intel and Motorola MemoryPass-through command Parameters Intel Ordering Motorola OrderingCommand Structure Swapping RF3880 Swapping OptionsIntel Ordered Parameter Block Data Swapping Sharing TapesDual Initiators How to Use TaggedQueuing TaggedDetails of Usage Tagged Queuing Choose a tag message Meaning of Flags-2 FieldRF3880 sends the tag message Usage Queue Tag NumbersQueue Full Status Message RejectTarget Mode Usage Scsi Protocol Handling Scsi Bus Reset HandlingSelection Queue Target Mode Disable Command Handling Abort Command Handling Synchronous Data Transfer RequestsWide Data Transfer Requests Parity error conditions Message parity errorsInitiator-detected Error messages Target RoutinesDisconnect Privilege Message HandlingMessage Bytes Received from the Initiator 21020285 D User’s Guide User’s Guide 21020285 D Details of Usage Error codes Status Block Error Codes Appendix a Error Codes IntroductionCodes Reported in Status Block and Status Port Appendix a Error Codes Summary Error CodesAppendix a Error Codes 2BHA1H Status Port Error Codes Catastrophic Error CodesAppendix a Error Codes Status Port 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 Connector Appendix B Cables and Connectors Scsi ConnectorCable Connector Pin-outs for the RF3886 Maximum Cable LengthVMEbus Connector Pinouts Appendix B Cables and Connectors VMEbus Connector PinoutsP1 Connector P2 Connector RetryAppendix B Cables and Connectors Specification s Appendix C Specifications Introduction Specifications Appendix C SpecificationsSpecifications for the Rf3880 Appendix C Specifications 21020285 D User’s Guide Fault s Appendix D Defaults Introduction Hardware Defaults Appendix D Defaults Hardware DefaultsHardware Defaults Jumpers Defaults for Hardware PortsDefaults Appendix D DefaultsCommand 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 Features no longer Supported Appendix E Design Differences Features no longer SupportedScatter/Gather Operations Byte and Word Swapping of DataStatus Port Error Codes and Test Flags Appendix E Design Differences Implementation DifferencesWidth of Data Transfers on the VMEbus 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