mac-rom/Interfaces/CIncludes/SCSI.h

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/************************************************************
Created: Saturday, July 27, 1991 at 6:39 PM
SCSI.h
C Interface to the Macintosh Libraries
Copyright Apple Computer, Inc. 1986-1991
All rights reserved
This file is used in these builds: Mac32 BigBang Sys606
Change History (most recent first):
<SM2> 5/29/93 PW Adding sbMac constant and rearranged a little more logically.
<6> 7/31/91 JL Updated Copyright.
<5> 1/27/91 LN Checked in Database generate file from DSG.
<4> 11/7/90 JL Changed all #defines to anonymous enums
To Do:
************************************************************/
#ifndef __SCSI__
#define __SCSI__
#ifndef __TYPES__
#include <Types.h>
#endif
/* TIB opcodes */
enum {
scInc = 1,
scNoInc= 2,
scAdd = 3,
scMove = 4,
scLoop = 5,
scNop = 6,
scStop = 7,
scComp = 8
};
/* SCSI Manager errors */
enum {
scCommErr = 2, /*communications error, operation timeout*/
scArbNBErr = 3, /*arbitration timeout waiting for not BSY*/
scBadParmsErr = 4, /*bad parameter or TIB opcode*/
scPhaseErr = 5, /*SCSI bus not in correct phase for attempted operation*/
scCompareErr = 6, /*data compare error*/
scMgrBusyErr = 7, /*SCSI Manager busy */
scSequenceErr = 8, /*attempted operation is out of sequence*/
scBusTOErr = 9, /*CPU bus timeout*/
scComplPhaseErr= 10 /*SCSI bus wasn't in Status phase*/
};
/* Driver Descriptor Map */
/* signature word for Block 0 */
#define sbSIGWord 0x4552
/* system type for Mac */
#define sbMac 1
struct Block0 {
unsigned short sbSig; /*unique value for SCSI block 0*/
unsigned short sbBlkSize; /*block size of device*/
unsigned long sbBlkCount; /*number of blocks on device*/
unsigned short sbDevType; /*device type*/
unsigned short sbDevId; /*device id*/
unsigned long sbData; /*not used*/
unsigned short sbDrvrCount; /*driver descriptor count*/
unsigned long ddBlock; /*1st driver's starting block*/
unsigned short ddSize; /*size of 1st driver (512-byte blks)*/
unsigned short ddType; /*system type (1 for Mac+)*/
unsigned short ddPad[243]; /*ARRAY[0..242] OF INTEGER; not used*/
};
typedef struct Block0 Block0;
/* Partition Map Entry */
/* OLD partition map signature */
#define pdSigWord 0x5453
#define oldPMSigWord pdSigWord
/* NEW partition map signature */
#define pMapSIG 0x504D
#define newPMSigWord pMapSIG
struct Partition {
unsigned short pmSig; /*unique value for map entry blk*/
unsigned short pmSigPad; /*currently unused*/
unsigned long pmMapBlkCnt; /*# of blks in partition map*/
unsigned long pmPyPartStart; /*physical start blk of partition*/
unsigned long pmPartBlkCnt; /*# of blks in this partition*/
unsigned char pmPartName[32]; /*ASCII partition name*/
unsigned char pmParType[32]; /*ASCII partition type*/
unsigned long pmLgDataStart; /*log. # of partition's 1st data blk*/
unsigned long pmDataCnt; /*# of blks in partition's data area*/
unsigned long pmPartStatus; /*bit field for partition status*/
unsigned long pmLgBootStart; /*log. blk of partition's boot code*/
unsigned long pmBootSize; /*number of bytes in boot code*/
unsigned long pmBootAddr; /*memory load address of boot code*/
unsigned long pmBootAddr2; /*currently unused*/
unsigned long pmBootEntry; /*entry point of boot code*/
unsigned long pmBootEntry2; /*currently unused*/
unsigned long pmBootCksum; /*checksum of boot code*/
unsigned char pmProcessor[16]; /*ASCII for the processor type*/
unsigned short pmPad[188]; /*512 bytes long currently unused*/
};
typedef struct Partition Partition;
/* TIB instruction */
struct SCSIInstr {
unsigned short scOpcode;
unsigned long scParam1;
unsigned long scParam2;
};
typedef struct SCSIInstr SCSIInstr;
#ifdef __cplusplus
extern "C" {
#endif
pascal OSErr SCSIReset(void)
= {0x4267,0xA815};
pascal OSErr SCSIGet(void)
= {0x3F3C,0x0001,0xA815};
pascal OSErr SCSISelect(short targetID)
= {0x3F3C,0x0002,0xA815};
pascal OSErr SCSICmd(Ptr buffer,short count)
= {0x3F3C,0x0003,0xA815};
pascal OSErr SCSIRead(Ptr tibPtr)
= {0x3F3C,0x0005,0xA815};
pascal OSErr SCSIRBlind(Ptr tibPtr)
= {0x3F3C,0x0008,0xA815};
pascal OSErr SCSIWrite(Ptr tibPtr)
= {0x3F3C,0x0006,0xA815};
pascal OSErr SCSIWBlind(Ptr tibPtr)
= {0x3F3C,0x0009,0xA815};
pascal OSErr SCSIComplete(short *stat,short *message,unsigned long wait)
= {0x3F3C,0x0004,0xA815};
pascal short SCSIStat(void)
= {0x3F3C,0x000A,0xA815};
pascal OSErr SCSISelAtn(short targetID)
= {0x3F3C,0x000B,0xA815};
pascal OSErr SCSIMsgIn(short *message)
= {0x3F3C,0x000C,0xA815};
pascal OSErr SCSIMsgOut(short message)
= {0x3F3C,0x000D,0xA815};
#ifdef __cplusplus
}
#endif
#endif