185 lines
6.7 KiB
C
185 lines
6.7 KiB
C
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/* Copyright (C) 1991 by Always Technology Corporation.
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This module contains information proprietary to
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Always Technology Corporation, and should be treated as confidential.
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*/
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#ifndef __ENVLIB_H__
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#define __ENVLIB_H__
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#define FourCharVers "13.14"
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/* Revision:
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.13.14- Added "NO DISCONNECT" flag to DOS ASPIrequests. Int 13 sets this flag.
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.13.13- Fix rounding of sync. period in 53c7x0.c.
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.13.12- 53C7x0 plug handles Reject messages on sync. negotiations.
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.13.11- Map to physical now uses the same segment descriptor as GetXferSegment()
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.13.10- Support for revert & resume configurations; add power down commands
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to board plugs.
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.13.9 - Fixed '720 driver to DWORD align the script only once in a multi-
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adapter configuration.
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.13.8 - 53c7x0: Added support for phase verification.
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.13.7 - Support for discontiguous SCSI IDs for INT 13.
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.13.6 - Fixed '7000 load of burst length register, switch polarity for
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cache line burst
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.13.5 - Attach sync. negotiations to non-data commands.
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- Added timer support to msdrvenv.c - Currently disabled
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.13.4 - Change from leaving ints disabeld in IN2000_ISR() to using
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InDOSFlag in General_ISR() in MSDRVENV.C
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- Increase timeout count in WaitForRead in 33c93.c
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.13.3 - Fix report of last cyl. number in Int 13 GetParam
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.13.2 - Fix AL-7000 IRQ decode.
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.13.1 - VDS support
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.13 - Additional fixes to '720 disconnects. First real release
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for AL7000.
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.12.16- Fixed 53c7x0 to not get illegal instr. when reselect comes in
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when a select is started.
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.12.15- Changed I/O decodes for AL-7000
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.12.14- Support for Chicago; S/G fix to IN2000.c
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.12.11- Added S/G support to ASPIMGR and to AL7000 pieces.
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.12.10- Added Int 15 support to Int 13 handler
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.12.9 - Fixed connect/disconnect in 53c7x0.c
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.12.8 - Added variables "GlobalAllowDisc" & "GlobalAllowSync" to ASPIMGR.C.
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- Changed DOS ASPIDRVR.ASM to scan command line and set these variables.
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.12.7 - Added int-13 support for AL-7000, and others using BIOS control interface
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.12.6 - Added support for AL-7000
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.12.5 - Changed INT 13 code to be compatable with VCN: 1-04 BIOS
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.12.4 - Fixed "GetDASD" to preserve ES.
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.12.3 - Corrected target initiated sync. xfer. request by adding a parameter
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to AskSync()
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- Corrected the conditionals for xfer period and offset in target initiated
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sync. xfer. request.
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- Modified Int 13 code to support VCN: 1-04 bios
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.12.2 - Fixed bug in IN2000_ISR(), where it would spin flushing the FIFO
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upon completion of a write, while waiting for the 33C93 interrupt.
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- EVAL720 code.
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.12.1 - Added size definitive typeing (i.e. U32)
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.12 - Release of 11.9
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.11.9 - Fixed problem with release of device descriptors on device timeout.
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Fixed long delay on selection timeout
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.11.8 - Fixed synchronous calculation in 33c93 initalize
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Enabled Synchronous as default
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.11.7 - Made DOS driver work with 11.6 changes
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.11.6 - Started work on NT driver
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.11.5 - More generalizing stuff
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.11.4 - Robert Lou added AL6K plug
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.11.3 - Changed Adapter structure to add Physical & Supports structures
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.11.2 - Modified to common error code, returned through APISetStatus
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.11 - Release of 10.3
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.10.3 - Added delay in IN2000.c after reset to allow 33C93 to settle.
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- Reduced the min. number of device descr., since LUNs no longer
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require unique device descr.
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.10.2 - Fixed adapter id message from ASPI adapter info command
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.10.1 - Internal; Shortens reset time from 250 ms to a pulse
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.10 - First non-beta release; fixed problems w/ smart drive
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*/
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// Scatter / gather segment descriptor:
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typedef struct {
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// Offset of last use of this descr.; -1 if invalid
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U32 LastOffset;
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// Work areas for S/G handler; preserved from last call only if LastOffset != -1
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U32 APIScratch[2];
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U32 MappingScratch[2]; // Area reserved for MapToPhysical and UnlockRegion
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// Length in bytes of (remaining) segment described by SegmentPtr
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U32 SegmentLength;
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// Pointer to data buffer, to start/resume data xfer
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U32 SegmentPtr;
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struct {
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BOOLEAN Valid; // Is SegmentPtr a valid address?
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BOOLEAN IsPhysical; // Is SegmentPtr (above) physical?
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BOOLEAN SegmentNeedsUnlocking; // Do we need to Unlock when done?
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} Flags;
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} SegmentDescr;
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#if !defined(critical)
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extern void critical(struct Adapter ALLOC_D *HA); // Conditional (nested) start critical context
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extern void uncritical(struct Adapter ALLOC_D *HA); // Conditional (nested) end critical context
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extern int MaybeCritical(void); // Set critical if machine in critical state
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extern void MaybeUncritical(int Was); // Balance the MaybeUncritical, using its return value
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#endif
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extern void Notify(struct Adapter ALLOC_D *HA, IO_REQ_PTR Req); // Signal a request completion
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#if !defined(min)
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#define min(X, Y) ((X <= Y) ? X : Y)
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#endif
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#if !defined(max)
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#define max(X, Y) ((X >= Y) ? X : Y)
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#endif
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#if !defined(NW386)
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#if !defined(LogMessage)
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extern void LogMessage(ADAPTER_PTR HA, IO_REQ_PTR Req, int TID, int LUN, int ErrCode, int Misc);
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#endif
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#endif
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extern ALLOC_T allocm(unsigned count);
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extern void freem(ALLOC_T block, unsigned count);
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extern void copym(ALLOC_T dest, ALLOC_T src, unsigned count);
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extern void DMASetup(unsigned Channel, void FAR *MemHndl, U32 Index,
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U32 Count, int UseSGList, unsigned Direction);
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extern void DMAComplete(unsigned Channel, void FAR *MemHndl, U32 Index,
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U32 Count, int UseSGList, unsigned Direction);
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extern U32 MapToPhysical(void ALLOC_D *HA, SegmentDescr *Descr);
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extern void UnlockRegion(void ALLOC_D *HA, SegmentDescr *Descr);
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extern void FAR *MapToVirtual(void ALLOC_D *HA, U32 PAddr);
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#if !defined(ExportReq)
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extern IO_REQ_PTR ExportReq(IO_REQ_PTR Req);
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#endif
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#if !defined(ImportReq)
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extern IO_REQ_PTR ImportReq(IO_REQ_PTR Req);
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#endif
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#if !defined(msPause)
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extern void msPause(unsigned msTicks);
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#endif
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#if !defined(PanicMsg)
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extern void PanicMsg(char *Msg);
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#endif
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#if !defined(RegisterIO)
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extern IOHandle RegisterIO(struct Adapter ALLOC_D *HA, U16 Base, U16 Length, int AddrSpace);
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#endif
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#if !defined(repinsb)
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extern void repinsb(const unsigned port, unsigned char far *bufferp, unsigned count);
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#endif
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#if !defined(repoutsb)
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extern void repoutsb(const unsigned port, unsigned char far *bufferp, unsigned count);
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#endif
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#if !defined(repinsw)
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extern void repinsw(const unsigned port, unsigned short far *bufferp, unsigned wcount);
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#endif
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#if !defined(repoutsw)
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extern void repoutsw(const unsigned port, unsigned short far *bufferp, unsigned wcount);
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#endif
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extern void setm(ALLOC_T block, int val, unsigned count);
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extern ALLOC_T shrinkm(ALLOC_T oldblock, unsigned oldsize, unsigned newsize);
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#endif /* __ENVLIB_H__ */
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