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97 lines
2.6 KiB
C
97 lines
2.6 KiB
C
/*
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File: XPT.h
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Contains: header stuff for XPT
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Entry points:
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Written by: Paul Wolf
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Copyright: © 1992-1994 by Apple Computer, Inc., all rights reserved.
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Change History (most recent first):
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<ML2> 1/5/94 pdw Added SCSIBusy to OldSCSICalls even though it's not used in
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XPTOldCall.c.
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<SMG2> 9/29/93 chp Include ACAM.h if necessary.
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<SM12> 10/14/93 pdw <MC> roll-in.
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<MC2> 10/12/93 pdw Added support for Synchronous data transfers, rewrote State
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Machine, message handling etc.
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<SM11> 6/29/93 pdw Massive checkins: Change asynchronicity mechanism to CallMachine
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stack switching mechanism. Adding support for Cold Fusion.
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Rearranging HW/SW Init code. Some code optimizations.
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<SM10> 5/5/93 PW Converted names to meanies-friendly names. Updated with latest
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from Ludwig stuff.
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<LW4> 3/26/93 PW Changing the name of CallCompRoutine to XPTCallCompRoutine as
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part of moving all EnteringSIM/ExitingSIM calls into SIM.
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<LW3> 3/1/93 DCB Changed prototype to CallCompRoutine to make life easier for
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developers.
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<LW2> 1/27/93 PW Removed DItoLUN/Target macros and moved some prototypes to
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XPTpriv.h
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<SM6> 12/5/92 PW Added kSCSICmdInProgress state for support of returning from
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SCSICmd before REQ for next phase.
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<SM5> 11/20/92 PW Removed DItoBus macro and added InitXPT prototype.
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<SM4> 11/1/92 DCB Changed final status to OSErr so that CallCompRoutine won't
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truncate the result.
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<SM3> 10/30/92 DCB Changes to reflect new ACAM.h
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<SM2> 10/8/92 PW Added globals needed for variable-sized SCSI_IO support.
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*/
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#ifndef __XPT__
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#define __XPT__
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#ifndef __ACAM__
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#include "ACAM.h"
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#endif
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/******** Old Call Enumerators ********/
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typedef enum { kSCSIReset =0, // 0
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kSCSIGet,
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kSCSISelect,
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kSCSICmd,
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kSCSIComplete, // 4
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kSCSIRead,
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kSCSIWrite,
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kSCSIunused,
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kSCSIRBlind, // 8
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kSCSIWBlind,
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kSCSIStat,
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kSCSISelAtn,
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kSCSIMsgIn, // C
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kSCSIMsgOut,
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kSCSIBusy,
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kNumOldSCSICalls,
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kOldSCSICallsBogus =256
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} OldSCSICalls;
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/******** Old Call States ********/
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typedef enum { kNotConnected =0, // 0
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kGotGet,
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kSelectInProgress,
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kConnected,
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kSCSICmdInProgress,
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kNumOldCallStates,
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kOldCallStatesBogus =256
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} OldCallStates;
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/************ Function Prototypes **************/
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void XPTCallCompRoutine( SCSI_IO * ioPtr); // <LW3>
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OSErr InitXPT();
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pascal void DeferredCall(void); // called by DeferredTaskMgr
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/************ Inlines **************/
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#pragma parameter __D0 sp(__D0) /* move.l sp, D0 */
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long sp(void) = {0x200f};
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#endif __XPT__
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