tmscsim.h

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/***********************************************************************
;*	File Name : TMSCSIM.H					       *
;*		    TEKRAM DC-390(T) PCI SCSI Bus Master Host Adapter  *
;*		    Device Driver				       *
;***********************************************************************/
/* $Id: tmscsim.h,v 2.15.2.3 2000/11/17 20:52:27 garloff Exp $ */

#ifndef _TMSCSIM_H
#define _TMSCSIM_H

#include <linux/types.h>
#include <linux/config.h>
/* 2.0 compat */
#if defined(__SMP__) && !defined(CONFIG_SMP)
# if LINUX_VERSION_CODE < KERNEL_VERSION (2,2,0)
#  define CONFIG_SMP
# else
#  error __SMP__ defined but not CONFIG_SMP
# endif
#endif


#define IRQ_NONE 255

#define MAX_ADAPTER_NUM 	4
#define MAX_SG_LIST_BUF 	16	/* Not used */
#define MAX_CMD_PER_LUN 	32
#define MAX_CMD_QUEUE		MAX_CMD_PER_LUN+MAX_CMD_PER_LUN/2+1	
#define MAX_SCSI_ID		8
#define MAX_SRB_CNT		MAX_CMD_QUEUE+1	/* Max number of started commands */

#define SEL_TIMEOUT		153	/* 250 ms selection timeout (@ 40 MHz) */

#define END_SCAN		2

typedef u8		UCHAR;	/*  8 bits */
typedef u16		USHORT;	/* 16 bits */
typedef u32		UINT;	/* 32 bits */
typedef unsigned long	ULONG;	/* 32/64 bits */

typedef UCHAR		*PUCHAR;
typedef USHORT		*PUSHORT;
typedef UINT		*PUINT;
typedef ULONG		*PULONG;
typedef Scsi_Host_Template	*PSHT;
typedef struct Scsi_Host	*PSH;
typedef Scsi_Device	*PSCSIDEV;
typedef Scsi_Cmnd	*PSCSICMD;
typedef void		*PVOID;
typedef struct scatterlist  *PSGL, SGL;


/*;-----------------------------------------------------------------------*/
typedef  struct  _SyncMsg
{
UCHAR		ExtendMsg;
UCHAR		ExtMsgLen;
UCHAR		SyncXferReq;
UCHAR		Period;
UCHAR		ReqOffset;
} SyncMsg;
/*;-----------------------------------------------------------------------*/
typedef  struct  _Capacity
{
ULONG		BlockCount;
ULONG		BlockLength;
} Capacity;
/*;-----------------------------------------------------------------------*/
typedef  struct  _SGentry
{
ULONG		SGXferDataPtr;
ULONG		SGXferDataLen;
} SGentry;

typedef  struct  _SGentry1
{
ULONG		SGXLen;
ULONG		SGXPtr;
} SGentry1, *PSGE;


/*
;-----------------------------------------------------------------------
; SCSI Request Block
;-----------------------------------------------------------------------
*/
struct	_SRB
{
//UCHAR		CmdBlock[12];

struct _SRB	*pNextSRB;
struct _DCB	*pSRBDCB;
PSCSICMD	pcmd;
PSGL		pSegmentList;

/* 0x10: */
SGL		Segmentx;	/* make a one entry of S/G list table */

/* 0x1c: */
ULONG		SGBusAddr;	/*;a segment starting address as seen by AM53C974A*/
ULONG		SGToBeXferLen;	/*; to be xfer length */
ULONG		TotalXferredLen;
ULONG		SavedTotXLen;
UINT		SRBState;

/* 0x30: */
UCHAR		SRBStatus;
UCHAR		SRBFlag;	/*; b0-AutoReqSense,b6-Read,b7-write */
				/*; b4-settimeout,b5-Residual valid */
UCHAR		AdaptStatus;
UCHAR		TargetStatus;

UCHAR		ScsiPhase;
UCHAR		TagNumber;
UCHAR		SGIndex;
UCHAR		SGcount;

/* 0x38: */
UCHAR		MsgCnt;
UCHAR		EndMessage;
UCHAR		RetryCnt;
UCHAR		SavedSGCount;			

ULONG		Saved_Ptr;

/* 0x40: */
UCHAR		MsgInBuf[6];
UCHAR		MsgOutBuf[6];

//UCHAR		IORBFlag;	/*;81h-Reset, 2-retry */
/* 0x4c: */
};


typedef  struct  _SRB	 DC390_SRB, *PSRB;

/*
;-----------------------------------------------------------------------
; Device Control Block
;-----------------------------------------------------------------------
*/
struct	_DCB
{
struct _DCB	*pNextDCB;
struct _ACB	*pDCBACB;

/* Aborted Commands */
//PSCSICMD	AboIORBhead;
//PSCSICMD	AboIORBtail;
//ULONG		AboIORBcnt;

/* 0x08: */
/* Queued SRBs */
PSRB		pWaitingSRB;
PSRB		pWaitLast;
PSRB		pGoingSRB;
PSRB		pGoingLast;
PSRB		pActiveSRB;
UCHAR		WaitSRBCnt;	/* Not used */
UCHAR		GoingSRBCnt;

UCHAR		DevType;
UCHAR		MaxCommand;

/* 0x20: */
UINT		TagMask;

UCHAR		TargetID;	/*; SCSI Target ID  (SCSI Only) */
UCHAR		TargetLUN;	/*; SCSI Log.  Unit (SCSI Only) */
UCHAR		DevMode;
UCHAR		DCBFlag;

UCHAR		CtrlR1;
UCHAR		CtrlR3;
UCHAR		CtrlR4;
UCHAR		Inquiry7;

/* 0x2c: */
UCHAR		SyncMode;	/*; 0:async mode */
UCHAR		NegoPeriod;	/*;for nego. */
UCHAR		SyncPeriod;	/*;for reg. */
UCHAR		SyncOffset;	/*;for reg. and nego.(low nibble) */

/* 0x30:*/
//UCHAR		InqDataBuf[8];
//UCHAR		CapacityBuf[8];
///* 0x40: */
};

typedef  struct  _DCB	 DC390_DCB, *PDCB;
/*
;-----------------------------------------------------------------------
; Adapter Control Block
;-----------------------------------------------------------------------
*/
struct	_ACB
{
PSH		pScsiHost;
struct _ACB	*pNextACB;
USHORT		IOPortBase;
UCHAR		IRQLevel;
UCHAR		status;

UCHAR		SRBCount;
UCHAR		AdapterIndex;	/*; nth Adapter this driver */
UCHAR		DeviceCnt;
UCHAR		DCBCnt;

/* 0x10: */
UCHAR		TagMaxNum;
UCHAR		ACBFlag;
UCHAR		Gmode2;
UCHAR		scan_devices;

PDCB		pLinkDCB;
PDCB		pLastDCB;
PDCB		pDCBRunRobin;

PDCB		pActiveDCB;
PSRB		pFreeSRB;
PSRB		pTmpSRB;

/* 0x2c: */
ULONG		QueryCnt;
PSCSICMD	pQueryHead;
PSCSICMD	pQueryTail;

/* 0x38: */
UCHAR		msgin123[4];
UCHAR		DCBmap[MAX_SCSI_ID];
UCHAR		Connected;
UCHAR		pad;

/* 0x3c: */
#if defined(USE_SPINLOCKS) && USE_SPINLOCKS > 1 && (defined(CONFIG_SMP) || DEBUG_SPINLOCKS > 0)
spinlock_t	lock;
#endif
UCHAR		sel_timeout;
UCHAR		glitch_cfg;

UCHAR		MsgLen;
UCHAR		Ignore_IRQ;	/* Not used */

PDEVDECL1;			/* Pointer to PCI cfg. space */
/* 0x4c/0x48: */
ULONG		Cmds;
UINT		SelLost;
UINT		SelConn;
UINT		CmdInQ;
UINT		CmdOutOfSRB;
	
/* 0x60/0x5c: */
struct timer_list	Waiting_Timer;
/* 0x74/0x70: */
DC390_SRB	TmpSRB;
/* 0xd8/0xd4: */
DC390_SRB	SRB_array[MAX_SRB_CNT]; 	/* 50 SRBs */
/* 0xfb0/0xfac: */
};

typedef  struct  _ACB	 DC390_ACB, *PACB;

/*;-----------------------------------------------------------------------*/


#define BIT31	0x80000000
#define BIT30	0x40000000
#define BIT29	0x20000000
#define BIT28	0x10000000
#define BIT27	0x08000000
#define BIT26	0x04000000
#define BIT25	0x02000000
#define BIT24	0x01000000
#define BIT23	0x00800000
#define BIT22	0x00400000
#define BIT21	0x00200000
#define BIT20	0x00100000
#define BIT19	0x00080000
#define BIT18	0x00040000
#define BIT17	0x00020000
#define BIT16	0x00010000
#define BIT15	0x00008000
#define BIT14	0x00004000
#define BIT13	0x00002000
#define BIT12	0x00001000
#define BIT11	0x00000800
#define BIT10	0x00000400
#define BIT9	0x00000200
#define BIT8	0x00000100
#define BIT7	0x00000080
#define BIT6	0x00000040
#define BIT5	0x00000020
#define BIT4	0x00000010
#define BIT3	0x00000008
#define BIT2	0x00000004
#define BIT1	0x00000002
#define BIT0	0x00000001

/*;---UnitCtrlFlag */
#define UNIT_ALLOCATED	BIT0
#define UNIT_INFO_CHANGED BIT1
#define FORMATING_MEDIA BIT2
#define UNIT_RETRY	BIT3

/*;---UnitFlags */
#define DASD_SUPPORT	BIT0
#define SCSI_SUPPORT	BIT1
#define ASPI_SUPPORT	BIT2

/*;----SRBState machine definition */
#define SRB_FREE	0
#define SRB_WAIT	BIT0
#define SRB_READY	BIT1
#define SRB_MSGOUT	BIT2	/*;arbitration+msg_out 1st byte*/
#define SRB_MSGIN	BIT3
#define SRB_MSGIN_MULTI BIT4
#define SRB_COMMAND	BIT5
#define SRB_START_	BIT6	/*;arbitration+msg_out+command_out*/
#define SRB_DISCONNECT	BIT7
#define SRB_DATA_XFER	BIT8
#define SRB_XFERPAD	BIT9
#define SRB_STATUS	BIT10
#define SRB_COMPLETED	BIT11
#define SRB_ABORT_SENT	BIT12
#define DO_SYNC_NEGO	BIT13
#define SRB_UNEXPECT_RESEL BIT14

/*;---SRBstatus */
#define SRB_OK		BIT0
#define ABORTION	BIT1
#define OVER_RUN	BIT2
#define UNDER_RUN	BIT3
#define PARITY_ERROR	BIT4
#define SRB_ERROR	BIT5

/*;---ACBFlag */
#define RESET_DEV	BIT0
#define RESET_DETECT	BIT1
#define RESET_DONE	BIT2

/*;---DCBFlag */
#define ABORT_DEV_	BIT0

/*;---SRBFlag */
#define DATAOUT 	BIT7
#define DATAIN		BIT6
#define RESIDUAL_VALID	BIT5
#define ENABLE_TIMER	BIT4
#define RESET_DEV0	BIT2
#define ABORT_DEV	BIT1
#define AUTO_REQSENSE	BIT0

/*;---Adapter status */
#define H_STATUS_GOOD	 0
#define H_SEL_TIMEOUT	 0x11
#define H_OVER_UNDER_RUN 0x12
#define H_UNEXP_BUS_FREE 0x13
#define H_TARGET_PHASE_F 0x14