mac-rom/Interfaces/CIncludes/SCSIStandard.h
Elliot Nunn 5b0f0cc134 Bring in CubeE sources
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2017-12-26 10:02:57 +08:00

88 lines
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C

/*
File: SCSIStandard.h
Contains: Commonly used structures and values from SCSI standard
Written by: Paul Wolf
Copyright: © 1990-1993 by Apple Computer, Inc., all rights reserved.
Change History (most recent first):
<SM4> 11/10/93 fau Update from SuperMunggio <SMG2>.
<SMG2> 9/29/93 chp Fix up header and conditional inclusion.
<SM3> 10/14/93 pdw Got rid of the 'code' following ExtendedMsg.
<SM2> 7/17/93 pdw Changed phz to phas in all of the SCSIPhase enums.
<SM1> 1/27/93 PW first checked in
*/
#ifndef __SCSISTANDARD__
#define __SCSISTANDARD__
/********************************************************************/
// General SCSI stuff
/********************************************************************/
// SCSI status
#define scsiStatGood 0x00 // Good Status
#define scsiStatCheckCondition 0x02 // Check Condition
#define scsiStatConditionMet 0x04 // Condition Met
#define scsiStatBusy 0x08 // Busy
#define scsiStatIntermediate 0x10 // Intermediate
#define scsiStatIntermedMet 0x14 // Intermediate - Condition Met
#define scsiStatResvConflict 0x18 // Reservation conflict
#define scsiStatTerminated 0x20 // Command terminated
#define scsiStatQFull 0x28 // Queue full
// SCSI messages
typedef enum { kCmdCompleteMsg = 0,
kExtendedMsg, // 0x01
kSaveDataPointerMsg, // 0x02
kRestorePointersMsg, // 0x03
kDisconnectMsg, // 0x04
kInitiatorDetectedErrorMsg, // 0x05
kAbortMsg, // 0x06
kMsgRejectMsg, // 0x07
kNoOperationMsg, // 0x08
kMsgParityErrorMsg, // 0x09
kLinkedCmdCompleteMsg, // 0x0a
kLinkedCmdCompleteWithFlagMsg, // 0x0b
kBusDeviceResetMsg, // 0x0c
kAbortTagMsg, // 0x0d
kClearQueueMsg, // 0x0e
kInitiateRecoveryMsg, // 0x0f
kReleaseRecoveryMsg, // 0x10
kTerminateIOProcessMsg, // 0x11
kSimpleQueueTag = 0x20, // 0x20
kHeadOfQueueTagMsg, // 0x21
kOrderedQueueTagMsg, // 0x22
kIgnoreWideResidueMsg // 0x23
} SCSI1stMsg;
// SCSI Phases - 1st 8 phases (thru MessageInPhase) are straight off the chip's phase bits
typedef enum { kDataOutPhase, // 0
kDataInPhase, // 1
kCommandPhase, // 2
kStatusPhase, // 3
kPhaseIllegal0,
kPhaseIllegal1,
kMessageOutPhase, // 6
kMessageInPhase, // 7
kBusFreePhase, // 8
kArbitratePhase, // 9
kSelectPhase, // 0xA
kMessageInPhaseNACK, // 0xB
kSCSIphaseBogus = 256
} SCSIphase;
#endif __SCSISTANDARD__