Developer CD Series 1995 February: Tool Chest

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Text File | 1994-11-11 | 30.8 KB | 870 lines | [TEXT/MPS ]

; ; File: SCSI.a ; ; Copyright: © 1984-1994 by Apple Computer, Inc. ; All rights reserved. ; ; Version: Universal Interfaces 2.0a3 ETO #16, MPW prerelease. Friday, November 11, 1994. ; ; Bugs?: If you find a problem with this file, send the file and version ; information (from above) and the problem description to: ; ; Internet: apple.bugs@applelink.apple.com ; AppleLink: APPLE.BUGS ; ; IF &TYPE('__SCSI__') = 'UNDEFINED' THEN __SCSI__ SET 1 IF &TYPE('__TYPES__') = 'UNDEFINED' THEN include 'Types.a' ENDIF ; include 'ConditionalMacros.a' ; IF &TYPE('__MIXEDMODE__') = 'UNDEFINED' THEN include 'MixedMode.a' ENDIF scInc EQU 1 scNoInc EQU 2 scAdd EQU 3 scMove EQU 4 scLoop EQU 5 scNop EQU 6 scStop EQU 7 scComp EQU 8 ; SCSI Manager errors scCommErr EQU 2 ; communications error, operation timeout scArbNBErr EQU 3 ; arbitration timeout waiting for not BSY scBadParmsErr EQU 4 ; bad parameter or TIB opcode scPhaseErr EQU 5 ; SCSI bus not in correct phase for attempted operation scCompareErr EQU 6 ; data compare error scMgrBusyErr EQU 7 ; SCSI Manager busy scSequenceErr EQU 8 ; attempted operation is out of sequence scBusTOErr EQU 9 ; CPU bus timeout scComplPhaseErr EQU 10 ; SCSI bus wasn't in Status phase ; Signatures sbSIGWord EQU $4552 ; signature word for Block 0 ('ER') sbMac EQU 1 ; system type for Mac pMapSIG EQU $504D ; partition map signature ('PM') pdSigWord EQU $5453 oldPMSigWord EQU pdSigWord newPMSigWord EQU pMapSIG ; Driver Descriptor Map Block0 RECORD 0 sbSig ds.w 1 ; unique value for SCSI block 0 sbBlkSize ds.w 1 ; block size of device sbBlkCount ds.l 1 ; number of blocks on device sbDevType ds.w 1 ; device type sbDevId ds.w 1 ; device id sbData ds.l 1 ; not used sbDrvrCount ds.w 1 ; driver descriptor count ddBlock ds.l 1 ; 1st driver's starting block ddSize ds.w 1 ; size of 1st driver (512-byte blks) ddType ds.w 1 ; system type (1 for Mac+) ddPad ds.w 243 ; ARRAY[0..242] OF INTEGER; not used sizeof EQU 512 ENDR ; Partition Map Entry Partition RECORD 0 pmSig ds.w 1 ; unique value for map entry blk pmSigPad ds.w 1 ; currently unused pmMapBlkCnt ds.l 1 ; # of blks in partition map pmPyPartStart ds.l 1 ; physical start blk of partition pmPartBlkCnt ds.l 1 ; # of blks in this partition pmPartName ds.b 32 ; ASCII partition name pmParType ds.b 32 ; ASCII partition type pmLgDataStart ds.l 1 ; log. # of partition's 1st data blk pmDataCnt ds.l 1 ; # of blks in partition's data area pmPartStatus ds.l 1 ; bit field for partition status pmLgBootStart ds.l 1 ; log. blk of partition's boot code pmBootSize ds.l 1 ; number of bytes in boot code pmBootAddr ds.l 1 ; memory load address of boot code pmBootAddr2 ds.l 1 ; currently unused pmBootEntry ds.l 1 ; entry point of boot code pmBootEntry2 ds.l 1 ; currently unused pmBootCksum ds.l 1 ; checksum of boot code pmProcessor ds.b 16 ; ASCII for the processor type pmPad ds.w 188 ; 512 bytes long currently unused sizeof EQU 512 ENDR ; TIB instruction SCSIInstr RECORD 0 scOpcode ds.w 1 scParam1 ds.l 1 scParam2 ds.l 1 sizeof EQU 10 ENDR IF GENERATING68K THEN Macro _SCSIReset dc.w $4267 dc.w $A815 EndM ELSE IMPORT SCSIReset ENDIF IF GENERATING68K THEN Macro _SCSIGet move.w #$0001,-(sp) dc.w $A815 EndM ELSE IMPORT SCSIGet ENDIF IF GENERATING68K THEN Macro _SCSISelect move.w #$0002,-(sp) dc.w $A815 EndM ELSE IMPORT SCSISelect ENDIF IF GENERATING68K THEN Macro _SCSICmd move.w #$0003,-(sp) dc.w $A815 EndM ELSE IMPORT SCSICmd ENDIF IF GENERATING68K THEN Macro _SCSIRead move.w #$0005,-(sp) dc.w $A815 EndM ELSE IMPORT SCSIRead ENDIF IF GENERATING68K THEN Macro _SCSIRBlind move.w #$0008,-(sp) dc.w $A815 EndM ELSE IMPORT SCSIRBlind ENDIF IF GENERATING68K THEN Macro _SCSIWrite move.w #$0006,-(sp) dc.w $A815 EndM ELSE IMPORT SCSIWrite ENDIF IF GENERATING68K THEN Macro _SCSIWBlind move.w #$0009,-(sp) dc.w $A815 EndM ELSE IMPORT SCSIWBlind ENDIF IF GENERATING68K THEN Macro _SCSIComplete move.w #$0004,-(sp) dc.w $A815 EndM ELSE IMPORT SCSIComplete ENDIF IF GENERATING68K THEN Macro _SCSIStat move.w #$000A,-(sp) dc.w $A815 EndM ELSE IMPORT SCSIStat ENDIF IF GENERATING68K THEN Macro _SCSISelAtn move.w #$000B,-(sp) dc.w $A815 EndM ELSE IMPORT SCSISelAtn ENDIF IF GENERATING68K THEN Macro _SCSIMsgIn move.w #$000C,-(sp) dc.w $A815 EndM ELSE IMPORT SCSIMsgIn ENDIF IF GENERATING68K THEN Macro _SCSIMsgOut move.w #$000D,-(sp) dc.w $A815 EndM ELSE IMPORT SCSIMsgOut ENDIF ;——————————————————————— New SCSI Manager Interface ——————————————————————— scsiVERSION EQU 43 ; SCSI Manager function codes SCSINop EQU $00 ; Execute nothing SCSIExecIO EQU $01 ; Execute the specified IO SCSIBusInquiry EQU $03 ; Get parameters for entire path of HBAs SCSIReleaseQ EQU $04 ; Release the frozen SIM queue for particular LUN SCSIAbortCommand EQU $10 ; Abort the selected Control Block SCSIResetBus EQU $11 ; Reset the SCSI bus SCSIResetDevice EQU $12 ; Reset the SCSI device SCSITerminateIO EQU $13 ; Terminate any pending IO SCSIGetVirtualIDInfo EQU $80 ; Find out which bus old ID is on SCSILoadDriver EQU $82 ; Load a driver for a device ident SCSIOldCall EQU $84 ; XPT->SIM private call for old-API SCSICreateRefNumXref EQU $85 ; Register a DeviceIdent to drvr RefNum xref SCSILookupRefNumXref EQU $86 ; Get DeviceIdent to drvr RefNum xref SCSIRemoveRefNumXref EQU $87 ; Remove a DeviceIdent to drvr RefNum xref SCSIRegisterWithNewXPT EQU $88 ; XPT has changed - SIM needs to re-register itself vendorUnique EQU $C0 ; 0xC0 thru 0xFF ; SCSI Callback Procedure Prototypes handshakeDataLength EQU 8 ; Handshake data length maxCDBLength EQU 16 ; Space for the CDB bytes/pointer vendorIDLength EQU 16 ; ASCII string len for Vendor ID ; Define DeviceIdent structure DeviceIdent RECORD 0 diReserved ds.b 1 ; reserved bus ds.b 1 ; SCSI - Bus Number targetID ds.b 1 ; SCSI - Target SCSI ID LUN ds.b 1 ; SCSI - LUN sizeof EQU 4 ENDR ; Command Descriptor Block structure SGRecord RECORD 0 SGAddr ds.l 1 SGCount ds.l 1 sizeof EQU 8 ENDR ; SCSI Phases (used by SIMs to support the Original SCSI Manager kDataOutPhase EQU 0 ; Encoded MSG, C/D, I/O bits kDataInPhase EQU 1 kCommandPhase EQU 2 kStatusPhase EQU 3 kPhaseIllegal0 EQU 4 kPhaseIllegal1 EQU 5 kMessageOutPhase EQU 6 kMessageInPhase EQU 7 kBusFreePhase EQU 8 ; Additional Phases kArbitratePhase EQU 9 kSelectPhase EQU 10 kMessageInPhaseNACK EQU 11 ; Message In Phase with ACK hanging on the bus SCSIHdr RECORD 0 qLink ds.l 1 scsiReserved1 ds.w 1 scsiPBLength ds.w 1 scsiFunctionCode ds.b 1 scsiReserved2 ds.b 1 scsiResult ds.w 1 scsiDevice ds DeviceIdent scsiCompletion ds.l 1 scsiFlags ds.l 1 scsiDriverStorage ds.l 1 scsiXPTprivate ds.l 1 scsiReserved3 ds.l 1 sizeof EQU 36 ENDR SCSI_PB RECORD 0 qLink ds.l 1 scsiReserved1 ds.w 1 scsiPBLength ds.w 1 scsiFunctionCode ds.b 1 scsiReserved2 ds.b 1 scsiResult ds.w 1 scsiDevice ds DeviceIdent scsiCompletion ds.l 1 scsiFlags ds.l 1 scsiDriverStorage ds.l 1 scsiXPTprivate ds.l 1 scsiReserved3 ds.l 1 sizeof EQU 36 ENDR SCSI_IO RECORD 0 qLink ds.l 1 scsiReserved1 ds.w 1 scsiPBLength ds.w 1 scsiFunctionCode ds.b 1 scsiReserved2 ds.b 1 scsiResult ds.w 1 scsiDevice ds DeviceIdent scsiCompletion ds.l 1 scsiFlags ds.l 1 scsiDriverStorage ds.l 1 scsiXPTprivate ds.l 1 scsiReserved3 ds.l 1 scsiResultFlags ds.w 1 scsiReserved3pt5 ds.w 1 scsiDataPtr ds.l 1 scsiDataLength ds.l 1 scsiSensePtr ds.l 1 scsiSenseLength ds.b 1 scsiCDBLength ds.b 1 scsiSGListCount ds.w 1 scsiReserved4 ds.l 1 scsiSCSIstatus ds.b 1 scsiSenseResidual ds.b 1 scsiReserved5 ds.w 1 scsiDataResidual ds.l 1 scsiCDB ds.w 3 scsiTimeout ds.l 1 scsiReserved5pt5 ds.l 1 scsiReserved5pt6 ds.w 1 scsiIOFlags ds.w 1 scsiTagAction ds.b 1 scsiReserved6 ds.b 1 scsiReserved7 ds.w 1 scsiSelectTimeout ds.w 1 scsiDataType ds.b 1 scsiTransferType ds.b 1 scsiReserved8 ds.l 1 scsiReserved9 ds.l 1 scsiHandshake ds.w 1 scsiReserved10 ds.l 1 scsiReserved11 ds.l 1 scsiCommandLink ds.l 1 scsiSIMpublics ds.b 8 scsiAppleReserved6 ds.b 8 scsiCurrentPhase ds.w 1 scsiSelector ds.w 1 scsiOldCallResult ds.w 1 scsiSCSImessage ds.b 1 XPTprivateFlags ds.b 1 XPTextras ds.b 12 sizeof EQU 152 ENDR ; Bus inquiry PB SCSIBusInquiryPB RECORD 0 qLink ds.l 1 scsiReserved1 ds.w 1 scsiPBLength ds.w 1 scsiFunctionCode ds.b 1 scsiReserved2 ds.b 1 scsiResult ds.w 1 scsiDevice ds DeviceIdent scsiCompletion ds.l 1 scsiFlags ds.l 1 scsiDriverStorage ds.l 1 scsiXPTprivate ds.l 1 scsiReserved3 ds.l 1 scsiEngineCount ds.w 1 ; <- Number of engines on HBA scsiMaxTransferType ds.w 1 ; <- Number of transfer types for this HBA scsiDataTypes ds.l 1 ; <- which data types are supported by this SIM scsiIOpbSize ds.w 1 ; <- Size of SCSI_IO PB for this SIM/HBA scsiMaxIOpbSize ds.w 1 ; <- Size of max SCSI_IO PB for all SIM/HBAs scsiFeatureFlags ds.l 1 ; <- Supported features flags field scsiVersionNumber ds.b 1 ; <- Version number for the SIM/HBA scsiHBAInquiry ds.b 1 ; <- Mimic of INQ byte 7 for the HBA scsiTargetModeFlags ds.b 1 ; <- Flags for target mode support scsiScanFlags ds.b 1 ; <- Scan related feature flags scsiSIMPrivatesPtr ds.l 1 ; <- Ptr to SIM private data area scsiSIMPrivatesSize ds.l 1 ; <- Size of SIM private data area scsiAsyncFlags ds.l 1 ; <- Event cap. for Async Callback scsiHiBusID ds.b 1 ; <- Highest path ID in the subsystem scsiInitiatorID ds.b 1 ; <- ID of the HBA on the SCSI bus scsiBIReserved0 ds.w 1 ; scsiBIReserved1 ds.l 1 ; <- scsiFlagsSupported ds.l 1 ; <- which scsiFlags are supported scsiIOFlagsSupported ds.w 1 ; <- which scsiIOFlags are supported scsiWeirdStuff ds.w 1 ; <- scsiMaxTarget ds.w 1 ; <- maximum Target number supported scsiMaxLUN ds.w 1 ; <- maximum Logical Unit number supported scsiSIMVendor ds.b 1 ; <- Vendor ID of SIM (or XPT if bus<FF) scsiHBAVendor ds.b 1 ; <- Vendor ID of the HBA scsiControllerFamily ds.b 1 ; <- Family of SCSI Controller scsiControllerType ds.b 1 ; <- Specific Model of SCSI Controller used scsiXPTversion ds.b 4 ; <- version number of XPT scsiSIMversion ds.b 4 ; <- version number of SIM scsiHBAversion ds.b 4 ; <- version number of HBA scsiHBAslotType ds.b 1 ; <- type of "slot" that this HBA is in scsiHBAslotNumber ds.b 1 ; <- slot number of this HBA scsiSIMsRsrcID ds.w 1 ; <- resource ID of this SIM scsiBIReserved3 ds.w 1 ; <- scsiAdditionalLength ds.w 1 ; <- additional BusInquiry PB len sizeof EQU 112 ENDR ; Abort SIM Request PB SCSIAbortCommandPB RECORD 0 qLink ds.l 1 scsiReserved1 ds.w 1 scsiPBLength ds.w 1 scsiFunctionCode ds.b 1 scsiReserved2 ds.b 1 scsiResult ds.w 1 scsiDevice ds DeviceIdent scsiCompletion ds.l 1 scsiFlags ds.l 1 scsiDriverStorage ds.l 1 scsiXPTprivate ds.l 1 scsiReserved3 ds.l 1 scsiIOptr ds.l 1 ; Pointer to the PB to abort sizeof EQU 40 ENDR ; Terminate I/O Process Request PB SCSITerminateIOPB RECORD 0 qLink ds.l 1 scsiReserved1 ds.w 1 scsiPBLength ds.w 1 scsiFunctionCode ds.b 1 scsiReserved2 ds.b 1 scsiResult ds.w 1 scsiDevice ds DeviceIdent scsiCompletion ds.l 1 scsiFlags ds.l 1 scsiDriverStorage ds.l 1 scsiXPTprivate ds.l 1 scsiReserved3 ds.l 1 scsiIOptr ds.l 1 ; Pointer to the PB to terminate sizeof EQU 40 ENDR ; Reset SCSI Bus PB SCSIResetBusPB RECORD 0 qLink ds.l 1 scsiReserved1 ds.w 1 scsiPBLength ds.w 1 scsiFunctionCode ds.b 1 scsiReserved2 ds.b 1 scsiResult ds.w 1 scsiDevice ds DeviceIdent scsiCompletion ds.l 1 scsiFlags ds.l 1 scsiDriverStorage ds.l 1 scsiXPTprivate ds.l 1 scsiReserved3 ds.l 1 sizeof EQU 36 ENDR ; Reset SCSI Device PB SCSIResetDevicePB RECORD 0 qLink ds.l 1 scsiReserved1 ds.w 1 scsiPBLength ds.w 1 scsiFunctionCode ds.b 1 scsiReserved2 ds.b 1 scsiResult ds.w 1 scsiDevice ds DeviceIdent scsiCompletion ds.l 1 scsiFlags ds.l 1 scsiDriverStorage ds.l 1 scsiXPTprivate ds.l 1 scsiReserved3 ds.l 1 sizeof EQU 36 ENDR ; Release SIM Queue PB SCSIReleaseQPB RECORD 0 qLink ds.l 1 scsiReserved1 ds.w 1 scsiPBLength ds.w 1 scsiFunctionCode ds.b 1 scsiReserved2 ds.b 1 scsiResult ds.w 1 scsiDevice ds DeviceIdent scsiCompletion ds.l 1 scsiFlags ds.l 1 scsiDriverStorage ds.l 1 scsiXPTprivate ds.l 1 scsiReserved3 ds.l 1 sizeof EQU 36 ENDR ; SCSI Get Virtual ID Info PB SCSIGetVirtualIDInfoPB RECORD 0 qLink ds.l 1 scsiReserved1 ds.w 1 scsiPBLength ds.w 1 scsiFunctionCode ds.b 1 scsiReserved2 ds.b 1 scsiResult ds.w 1 scsiDevice ds DeviceIdent scsiCompletion ds.l 1 scsiFlags ds.l 1 scsiDriverStorage ds.l 1 scsiXPTprivate ds.l 1 scsiReserved3 ds.l 1 scsiOldCallID ds.w 1 ; -> SCSI ID of device in question scsiExists ds.b 1 ; <- true if device exists filler ds.b 1 sizeof EQU 40 ENDR ; Create/Lookup/Remove RefNum for Device PB SCSIDriverPB RECORD 0 qLink ds.l 1 scsiReserved1 ds.w 1 scsiPBLength ds.w 1 scsiFunctionCode ds.b 1 scsiReserved2 ds.b 1 scsiResult ds.w 1 scsiDevice ds DeviceIdent scsiCompletion ds.l 1 scsiFlags ds.l 1 scsiDriverStorage ds.l 1 scsiXPTprivate ds.l 1 scsiReserved3 ds.l 1 scsiDriver ds.w 1 ; -> DriverRefNum, For SetDriver, <- For GetNextDriver scsiDriverFlags ds.w 1 ; <> Details of driver/device scsiNextDevice ds DeviceIdent ; <- DeviceIdent of the NEXT Item in the list sizeof EQU 44 ENDR ; Load Driver PB SCSILoadDriverPB RECORD 0 qLink ds.l 1 scsiReserved1 ds.w 1 scsiPBLength ds.w 1 scsiFunctionCode ds.b 1 scsiReserved2 ds.b 1 scsiResult ds.w 1 scsiDevice ds DeviceIdent scsiCompletion ds.l 1 scsiFlags ds.l 1 scsiDriverStorage ds.l 1 scsiXPTprivate ds.l 1 scsiReserved3 ds.l 1 scsiLoadedRefNum ds.w 1 ; <- SIM returns refnum of driver scsiDiskLoadFailed ds.b 1 ; -> if true, indicates call after failure to load filler ds.b 1 sizeof EQU 40 ENDR ; Defines for the scsiTransferType field scsiTransferBlind EQU 0 scsiTransferPolled EQU 1 ; Defines for the scsiDataType field scsiDataBuffer EQU 0 ; single contiguous buffer supplied scsiDataTIB EQU 1 ; TIB supplied (ptr in scsiDataPtr) scsiDataSG EQU 2 ; scatter/gather list supplied ; Defines for the SCSIMgr scsiResult field in the PB header. ; $E100 thru E1FF ; -$1EFF thru -1E00 ; -#7935 thru -7681 ; = 0xE100 scsiErrorBase EQU -7936 scsiRequestInProgress EQU 1 ; 1 = PB request is in progress ; Execution failed 00-2F scsiRequestAborted EQU scsiErrorBase + 2 ; -7934 = PB request aborted by the host scsiUnableToAbort EQU scsiErrorBase + 3 ; -7933 = Unable to Abort PB request scsiNonZeroStatus EQU scsiErrorBase + 4 ; -7932 = PB request completed with an err scsiUnused05 EQU scsiErrorBase + 5 ; -7931 = scsiUnused06 EQU scsiErrorBase + 6 ; -7930 = scsiUnused07 EQU scsiErrorBase + 7 ; -7929 = scsiUnused08 EQU scsiErrorBase + 8 ; -7928 = scsiUnableToTerminate EQU scsiErrorBase + 9 ; -7927 = Unable to Terminate I/O PB req scsiSelectTimeout EQU scsiErrorBase + 10 ; -7926 = Target selection timeout scsiCommandTimeout EQU scsiErrorBase + 11 ; -7925 = Command timeout scsiIdentifyMessageRejected EQU scsiErrorBase + 12 ; -7924 = scsiMessageRejectReceived EQU scsiErrorBase + 13 ; -7923 = Message reject received scsiSCSIBusReset EQU scsiErrorBase + 14 ; -7922 = SCSI bus reset sent/received scsiParityError EQU scsiErrorBase + 15 ; -7921 = Uncorrectable parity error occured scsiAutosenseFailed EQU scsiErrorBase + 16 ; -7920 = Autosense: Request sense cmd fail scsiUnused11 EQU scsiErrorBase + 17 ; -7919 = scsiDataRunError EQU scsiErrorBase + 18 ; -7918 = Data overrun/underrun error scsiUnexpectedBusFree EQU scsiErrorBase + 19 ; -7917 = Unexpected BUS free scsiSequenceFailed EQU scsiErrorBase + 20 ; -7916 = Target bus phase sequence failure scsiWrongDirection EQU scsiErrorBase + 21 ; -7915 = Data phase was in wrong direction scsiUnused16 EQU scsiErrorBase + 22 ; -7914 = scsiBDRsent EQU scsiErrorBase + 23 ; -7913 = A SCSI BDR msg was sent to target scsiTerminated EQU scsiErrorBase + 24 ; -7912 = PB request terminated by the host scsiNoNexus EQU scsiErrorBase + 25 ; -7911 = Nexus is not established scsiCDBReceived EQU scsiErrorBase + 26 ; -7910 = The SCSI CDB has been received ; Couldn't begin execution 30-3F scsiTooManyBuses EQU scsiErrorBase + 48 ; -7888 = Register failed because we're full scsiBusy EQU scsiErrorBase + 49 ; -7887 = SCSI subsystem is busy scsiProvideFail EQU scsiErrorBase + 50 ; -7886 = Unable to provide requ. capability scsiDeviceNotThere EQU scsiErrorBase + 51 ; -7885 = SCSI device not installed/there scsiNoHBA EQU scsiErrorBase + 52 ; -7884 = No HBA detected Error scsiDeviceConflict EQU scsiErrorBase + 53 ; -7883 = sorry, max 1 refNum per DeviceIdent scsiNoSuchXref EQU scsiErrorBase + 54 ; -7882 = no such RefNum xref scsiQLinkInvalid EQU scsiErrorBase + 55 ; -7881 = pre-linked PBs not supported ; (The QLink field was nonzero) ; Parameter errors 40-7F scsiPBLengthError EQU scsiErrorBase + 64 ; -7872 = (scsiPBLength is insuf'ct/invalid scsiFunctionNotAvailable EQU scsiErrorBase + 65 ; -7871 = The requ. func is not available scsiRequestInvalid EQU scsiErrorBase + 66 ; -7870 = PB request is invalid scsiBusInvalid EQU scsiErrorBase + 67 ; -7869 = Bus ID supplied is invalid scsiTIDInvalid EQU scsiErrorBase + 68 ; -7868 = Target ID supplied is invalid scsiLUNInvalid EQU scsiErrorBase + 69 ; -7867 = LUN supplied is invalid scsiIDInvalid EQU scsiErrorBase + 70 ; -7866 = The initiator ID is invalid scsiDataTypeInvalid EQU scsiErrorBase + 71 ; -7865 = scsiDataType requested not supported scsiTransferTypeInvalid EQU scsiErrorBase + 72 ; -7864 = scsiTransferType field is too high scsiCDBLengthInvalid EQU scsiErrorBase + 73 ; -7863 = scsiCDBLength field is too big scsiExecutionErrors EQU scsiErrorBase scsiNotExecutedErrors EQU scsiTooManyBuses scsiParameterErrors EQU scsiPBLengthError ; Defines for the scsiResultFlags field scsiSIMQFrozen EQU $0001 ; The SIM queue is frozen w/this err scsiAutosenseValid EQU $0002 ; Autosense data valid for target scsiBusNotFree EQU $0004 ; At time of callback, SCSI bus is not free ; Defines for the bit numbers of the scsiFlags field in the PB header for the SCSIExecIO function kbSCSIDisableAutosense EQU 29 ; Disable auto sense feature kbSCSIFlagReservedA EQU 28 ; kbSCSIFlagReserved0 EQU 27 ; kbSCSICDBLinked EQU 26 ; The PB contains a linked CDB kbSCSIQEnable EQU 25 ; Target queue actions are enabled kbSCSICDBIsPointer EQU 24 ; The CDB field contains a pointer kbSCSIFlagReserved1 EQU 23 ; kbSCSIInitiateSyncData EQU 22 ; Attempt Sync data xfer and SDTR kbSCSIDisableSyncData EQU 21 ; Disable sync, go to async kbSCSISIMQHead EQU 20 ; Place PB at the head of SIM Q kbSCSISIMQFreeze EQU 19 ; Return the SIM Q to frozen state kbSCSISIMQNoFreeze EQU 18 ; Disallow SIM Q freezing kbSCSIDoDisconnect EQU 17 ; Definitely do disconnect kbSCSIDontDisconnect EQU 16 ; Definitely don't disconnect kbSCSIDataReadyForDMA EQU 15 ; Data buffer(s) are ready for DMA kbSCSIFlagReserved3 EQU 14 ; kbSCSIDataPhysical EQU 13 ; SG/Buffer data ptrs are physical kbSCSISensePhysical EQU 12 ; Autosense buffer ptr is physical kbSCSIFlagReserved5 EQU 11 ; kbSCSIFlagReserved6 EQU 10 ; kbSCSIFlagReserved7 EQU 9 ; kbSCSIFlagReserved8 EQU 8 ; kbSCSIDataBufferValid EQU 7 ; Data buffer valid kbSCSIStatusBufferValid EQU 6 ; Status buffer valid kbSCSIMessageBufferValid EQU 5 ; Message buffer valid kbSCSIFlagReserved9 EQU 4 ; ; Defines for the bit masks of the scsiFlags field scsiDirectionMask EQU $C0000000 ; Data direction mask scsiDirectionNone EQU $C0000000 ; Data direction (11: no data) scsiDirectionReserved EQU $00000000 ; Data direction (00: reserved) scsiDirectionOut EQU $80000000 ; Data direction (10: DATA OUT) scsiDirectionIn EQU $40000000 ; Data direction (01: DATA IN) scsiDisableAutosense EQU $20000000 ; Disable auto sense feature scsiFlagReservedA EQU $10000000 ; scsiFlagReserved0 EQU $08000000 ; scsiCDBLinked EQU $04000000 ; The PB contains a linked CDB scsiQEnable EQU $02000000 ; Target queue actions are enabled scsiCDBIsPointer EQU $01000000 ; The CDB field contains a pointer scsiFlagReserved1 EQU $00800000 ; scsiInitiateSyncData EQU $00400000 ; Attempt Sync data xfer and SDTR scsiDisableSyncData EQU $00200000 ; Disable sync, go to async scsiSIMQHead EQU $00100000 ; Place PB at the head of SIM Q scsiSIMQFreeze EQU $00080000 ; Return the SIM Q to frozen state scsiSIMQNoFreeze EQU $00040000 ; Disallow SIM Q freezing scsiDoDisconnect EQU $00020000 ; Definitely do disconnect scsiDontDisconnect EQU $00010000 ; Definitely don't disconnect scsiDataReadyForDMA EQU $00008000 ; Data buffer(s) are ready for DMA scsiFlagReserved3 EQU $00004000 ; scsiDataPhysical EQU $00002000 ; SG/Buffer data ptrs are physical scsiSensePhysical EQU $00001000 ; Autosense buffer ptr is physical scsiFlagReserved5 EQU $00000800 ; scsiFlagReserved6 EQU $00000400 ; scsiFlagReserved7 EQU $00000200 ; scsiFlagReserved8 EQU $00000100 ; ; bit masks for the scsiIOFlags field in SCSIExecIOPB scsiNoParityCheck EQU $0002 ; disable parity checking scsiDisableSelectWAtn EQU $0004 ; disable select w/Atn scsiSavePtrOnDisconnect EQU $0008 ; do SaveDataPointer upon Disconnect msg scsiNoBucketIn EQU $0010 ; don’t bit bucket in during this I/O scsiNoBucketOut EQU $0020 ; don’t bit bucket out during this I/O scsiDisableWide EQU $0040 ; disable wide transfer negotiation scsiInitiateWide EQU $0080 ; initiate wide transfer negotiation scsiRenegotiateSense EQU $0100 ; renegotiate sync/wide before issuing autosense scsiDisableDiscipline EQU $0200 ; disable parameter checking on SCSIExecIO calls scsiIOFlagReserved0080 EQU $0080 ; scsiIOFlagReserved8000 EQU $8000 ; ; Defines for the SIM/HBA queue actions. These values are used in the ; SCSIExecIOPB, for the queue action field. [These values should match the ; defines from some other include file for the SCSI message phases. We may ; not need these definitions here. ] scsiSimpleQTag EQU $20 ; Tag for a simple queue scsiHeadQTag EQU $21 ; Tag for head of queue scsiOrderedQTag EQU $22 ; Tag for ordered queue ; Defines for the Bus Inquiry PB fields. ; scsiHBAInquiry field bits scsiBusMDP EQU $80 ; Supports Modify Data Pointer message scsiBusWide32 EQU $40 ; Supports 32 bit wide SCSI scsiBusWide16 EQU $20 ; Supports 16 bit wide SCSI scsiBusSDTR EQU $10 ; Supports Sync Data Transfer Req message scsiBusLinkedCDB EQU $08 ; Supports linked CDBs scsiBusTagQ EQU $02 ; Supports tag queue message scsiBusSoftReset EQU $01 ; Supports soft reset ; scsiDataTypes field bits ; bits 0->15 Apple-defined, 16->30 3rd-party unique, 31 = reserved scsiBusDataTIB EQU (1 << scsiDataTIB) ; TIB supplied (ptr in scsiDataPtr) scsiBusDataBuffer EQU (1 << scsiDataBuffer) ; single contiguous buffer supplied scsiBusDataSG EQU (1 << scsiDataSG) ; scatter/gather list supplied scsiBusDataReserved EQU $80000000 ; ; scsiScanFlags field bits scsiBusScansDevices EQU $80 ; Bus scans for and maintains device list scsiBusScansOnInit EQU $40 ; Bus scans performed at power-up/reboot scsiBusLoadsROMDrivers EQU $20 ; may load ROM drivers to support targets ; scsiFeatureFlags field bits scsiBusInternalExternalMask EQU $000000C0 ; bus internal/external mask scsiBusInternalExternalUnknown EQU $00000000 ; not known whether bus is inside or outside scsiBusInternalExternal EQU $000000C0 ; bus goes inside and outside the box scsiBusInternal EQU $00000080 ; bus goes inside the box scsiBusExternal EQU $00000040 ; bus goes outside the box scsiBusCacheCoherentDMA EQU $00000020 ; DMA is cache coherent scsiBusOldCallCapable EQU $00000010 ; SIM is old call capable scsiBusDifferential EQU $00000004 ; Single Ended (0) or Differential (1) scsiBusFastSCSI EQU $00000002 ; HBA supports fast SCSI scsiBusDMAavailable EQU $00000001 ; DMA is available ; scsiWeirdStuff field bits scsiOddDisconnectUnsafeRead1 EQU $0001 ; Disconnects on odd byte boundries are unsafe with DMA and/or blind reads scsiOddDisconnectUnsafeWrite1 EQU $0002 ; Disconnects on odd byte boundries are unsafe with DMA and/or blind writes scsiBusErrorsUnsafe EQU $0004 ; Non-handshaked delays or disconnects during blind transfers may cause a crash scsiRequiresHandshake EQU $0008 ; Non-handshaked delays or disconnects during blind transfers may cause data corruption scsiTargetDrivenSDTRSafe EQU $0010 ; Targets which initiate synchronous negotiations are supported ; scsiHBAslotType values scsiMotherboardBus EQU $01 ; A built in Apple supplied bus scsiNuBus EQU $02 ; A SIM on a NuBus card scsiPDSBus EQU $03 ; " on a PDS card scsiPCIBus EQU $04 ; " on a PCI bus card scsiPCMCIABus EQU $05 ; " on a PCMCIA card scsiFireWireBridgeBus EQU $06 ; " connected through a FireWire bridge ; Defines for the scsiDriverFlags field (in SCSIDriverPB) scsiDeviceSensitive EQU $0001 ; Only driver should access this device scsiDeviceNoOldCallAccess EQU $0002 ; no old call access to this device ; SIMInitInfo PB ; directions are for SCSIRegisterBus call ( -> parm, <- result) SIMInitInfo RECORD 0 SIMstaticPtr ds.l 1 ; <- alloc. ptr to the SIM's static vars staticSize ds.l 1 ; -> num bytes SIM needs for static vars SIMInit ds.l 1 ; -> pointer to the SIM init routine SIMAction ds.l 1 ; -> pointer to the SIM action routine SIM_ISR ds.l 1 ; reserved SIMInterruptPoll ds.l 1 ; -> pointer to the SIM interrupt poll routine NewOldCall ds.l 1 ; -> pointer to the SIM NewOldCall routine ioPBSize ds.w 1 ; -> size of SCSI_IO_PBs required for this SIM oldCallCapable ds.b 1 ; -> true if this SIM can handle old-API calls simInfoUnused1 ds.b 1 ; reserved simInternalUse ds.l 1 ; xx not affected or viewed by XPT XPT_ISR ds.l 1 ; reserved EnteringSIM ds.l 1 ; <- ptr to the EnteringSIM routine ExitingSIM ds.l 1 ; <- ptr to the ExitingSIM routine MakeCallback ds.l 1 ; <- the XPT layer’s SCSIMakeCallback routine busID ds.w 1 ; <- bus number for the registered bus simInfoUnused3 ds.w 1 ; <- reserved simInfoUnused4 ds.l 1 ; <- reserved sizeof EQU 60 ENDR ; Glue between SCSI calls and SCSITrap format xptSCSIAction EQU $0001 xptSCSIRegisterBus EQU $0002 xptSCSIDeregisterBus EQU $0003 xptSCSIReregisterBus EQU $0004 xptSCSIKillXPT EQU $0005 ; kills Mini-XPT after transition xptSCSIInitialize EQU $000A ; Initialize the SCSI manager ; moveq #kSCSIx, D0; _SCSIAtomic IF GENERATING68K THEN Macro _SCSIAction moveq #1,d0 dc.w $A089 EndM ELSE IMPORT SCSIAction ENDIF IF GENERATING68K THEN Macro _SCSIRegisterBus moveq #2,d0 dc.w $A089 EndM ELSE IMPORT SCSIRegisterBus ENDIF IF GENERATING68K THEN Macro _SCSIDeregisterBus moveq #3,d0 dc.w $A089 EndM ELSE IMPORT SCSIDeregisterBus ENDIF IF GENERATING68K THEN Macro _SCSIReregisterBus moveq #4,d0 dc.w $A089 EndM ELSE IMPORT SCSIReregisterBus ENDIF IF GENERATING68K THEN Macro _SCSIKillXPT moveq #5,d0 dc.w $A089 EndM ELSE IMPORT SCSIKillXPT ENDIF ENDIF ; __SCSI__