/*-
 * Copyright (c) 1996-1999 Distributed Processing Technology Corporation
 * All rights reserved.
 *
 * Redistribution and use in source form, with or without modification, are
 * permitted provided that redistributions of source code must retain the
 * above copyright notice, this list of conditions and the following disclaimer.
 *
 * This software is provided `as is' by Distributed Processing Technology and
 * any express or implied warranties, including, but not limited to, the
 * implied warranties of merchantability and fitness for a particular purpose,
 * are disclaimed. In no event shall Distributed Processing Technology be
 * liable for any direct, indirect, incidental, special, exemplary or
 * consequential damages (including, but not limited to, procurement of
 * substitute goods or services; loss of use, data, or profits; or business
 * interruptions) however caused and on any theory of liability, whether in
 * contract, strict liability, or tort (including negligence or otherwise)
 * arising in any way out of the use of this driver software, even if advised
 * of the possibility of such damage.
 *
 * $FreeBSD: src/sys/dev/asr/osd_unix.h,v 1.9 2005/01/06 01:42:29 imp Exp $
 */

#ifndef		__OSD_UNIX_H
#define		__OSD_UNIX_H

/*File - OSD_UNIX.H */
/*****************************************************************************/
/*									     */
/*Description:								     */
/*									     */
/*    This file contains definitions for the UNIX OS dependent layer of the  */
/*DPT engine.								     */
/*									     */
/*Copyright Distributed Processing Technology, Corp.			     */
/*	  140 Candace Dr.						     */
/*	  Maitland, Fl. 32751	USA					     */
/*	  Phone: (407) 830-5522	 Fax: (407) 260-5366			     */
/*	  All Rights Reserved						     */
/*									     */
/*Author:	Bob Pasteur						     */
/*Date:		5/28/93							     */
/*									     */
/*Editors:								     */
/*		3/7/96	salyzyn@dpt.com					     */
/*			Added BSDi extensions				     */
/*		30/9/99 salyzyn@dpt.com					     */
/*			Added I2ORESCANCMD				     */
/*		7/12/99 salyzyn@dpt.com					     */
/*			Added I2ORESETCMD				     */
/*									     */
/*Remarks:								     */
/*									     */
/*									     */
/*****************************************************************************/

/* Definitions - Defines & Constants ---------------------------------------*/

#define	DPT_TurnAroundKey  0x01	   /* TurnAround Message Type for engine      */
#define	DPT_EngineKey	   0x02	   /* Message Que and Type for engine	      */
#define	DPT_LoggerKey	   0x03	   /* Message Type For Logger		      */
#define	DPT_CommEngineKey  0x04	   /* Message Que Type Created		      */

#define	MSG_RECEIVE    0x40000000  /* Ored Into Logger PID For Return Msg     */

#define	ENGMSG_ECHO	   0x00	   /* Turnarround Echo Engine Message	      */
#define	ENGMSG_OPEN	   0x01	   /* Turnarround Open Engine Message	      */
#define	ENGMSG_CLOSE	   0x02	   /* Turnarround Close Engine Message	      */

  /* Message Que Creation Flags */

#define	MSG_URD		   00400
#define	MSG_UWR		   00200
#define	MSG_GRD		   00040
#define	MSG_GWR		   00020
#define	MSG_ORD		   00004
#define	MSG_OWR		   00002
#define	MSG_ALLRD	   00444
#define	MSG_ALLWR	   00222

  /* Message Que Creation Flags */

#define	SHM_URD		   00400
#define	SHM_UWR		   00200
#define	SHM_GRD		   00040
#define	SHM_GWR		   00020
#define	SHM_ORD		   00004
#define	SHM_OWR		   00002
#define	SHM_ALLRD	   00444
#define	SHM_ALLWR	   00222

  /* Program Exit Codes */

#define	ExitGoodStatus		 0
#define	ExitBadParameter	 1
#define	ExitSignalFail		 3
#define	ExitMsqAllocFail	 5
#define	ExitBuffAllocFail	 6
#define	ExitMsgSendFail		 8
#define	ExitMsgReceiveFail	 9

#define	ExitEngOpenFail		 10
#define	ExitDuplicateEngine	 11

#define	ExitCommAllocFail	 12
#define	ExitDuplicateCommEng	 13
#define	ExitCommConnectFail	 14

#ifndef MAX_HAS

#define	MAX_HAS			 18
#define	MAX_NAME		 100

#endif	/* ifndef MAX_HAS */


typedef struct {
	uCHAR ConfigLength[4];	     /* Len in bytes after this field.	    */
	uCHAR EATAsignature[4];
	uCHAR EATAversion;
	uCHAR Flags1;
	uCHAR PadLength[2];
	uCHAR HBA[4];
	uCHAR CPlength[4];	     /* Command Packet Length		    */
	uCHAR SPlength[4];	     /* Status Packet Length		    */
	uCHAR QueueSize[2];	     /* Controller Que depth		    */
	uCHAR SG_Size[4];
	uCHAR Flags2;
	uCHAR Reserved0;	     /* Reserved Field			     */
	uCHAR Flags3;
	uCHAR ScsiValues;
	uCHAR MaxLUN;		     /* Maximun LUN Supported		     */
	uCHAR Flags4;
	uCHAR RaidNum;		     /* RAID HBA Number For Stripping	     */
	uCHAR Reserved3;	     /* Reserved Field			     */
	       } DptReadConfig_t;

#if defined(_DPT_SOLARIS)

#include <sys/types.h>
#include <sys/ddidmareq.h>
#include <sys/mutex.h>
#include <sys/scsi/scsi.h>
/*#define	_KERNEL */
#include <sys/dditypes.h>
#include <sys/ddi_impldefs.h>
#include <sys/scsi/impl/transport.h>
/* #undef _KERNEL */

#undef MSG_DISCONNECT
#define	MSG_DISCONNECT	0x11L

#define	EATAUSRCMD     1
#define	DPT_SIGNATURE  2
#define	DPT_NUMCTRLS   3
#define	DPT_CTRLINFO   4
#define	DPT_SYSINFO    5
#define	DPT_BLINKLED   6
#define	I2OUSRCMD      7
/* #define	I2ORESCANCMD 8 */	/* Use DPT_IO_ACCESS instead */
/* #define	I2ORESETCMD  9 */	/* Use DPT_IO_ACCESS instead */

#define	DPT_MAX_DMA_SEGS  32	     /* Max used Scatter/Gather seg	    */

struct dpt_sg {
       paddr_t data_addr;
       uLONG data_len;
	      };

typedef struct {
	uSHORT NumHBAs;
	uLONG IOAddrs[18];
	       } GetHbaInfo_t;

#elif defined(_DPT_DGUX)

#ifndef _IOWR
# define _IOWR(x,y,z)	(0x0fff3900|y)
#endif
#ifndef _IOW
# define _IOW(x,y,z)	(0x0fff3900|y)
#endif
#ifndef _IOR
# define _IOR(x,y,z)	(0x0fff3900|y)
#endif
#ifndef _IO
# define _IO(x,y)	(0x0fff3900|y)
#endif
/* EATA PassThrough Command	*/
#define	EATAUSRCMD	_IOWR('D',65,EATA_CP)
/* Get Signature Structure	*/
#define	DPT_SIGNATURE	_IOR('D',67,dpt_sig_S)
/* Get Number Of DPT Adapters	*/
#define	DPT_NUMCTRLS	_IOR('D',68,int)
/* Get Adapter Info Structure	*/
#define	DPT_CTRLINFO	_IOR('D',69,CtrlInfo)
/* Get System Info Structure	*/
#define	DPT_SYSINFO	_IOR('D',72,sysInfo_S)
/* Get Blink LED Code		*/
#define	DPT_BLINKLED	_IOR('D',75,int)
/* Get Statistical information (if available) */
#define	DPT_STATS_INFO	      _IOR('D',80,STATS_DATA)
/* Clear the statistical information	      */
#define	DPT_STATS_CLEAR	      _IO('D',81)
/* Send an I2O command */
#define	I2OUSRCMD	_IO('D',76)
/* Inform driver to re-acquire LCT information */
#define	I2ORESCANCMD	_IO('D',77)
/* Inform driver to reset adapter */
#define	I2ORESETCMD	_IO('D',78)

#elif defined(SNI_MIPS)
  /* Unix Ioctl Command definitions */

#define	EATAUSRCMD     (('D'<<8)|65)
#define	DPT_DEBUG      (('D'<<8)|66)
#define	DPT_SIGNATURE  (('D'<<8)|67)
#define	DPT_NUMCTRLS   (('D'<<8)|68)
#define	DPT_CTRLINFO   (('D'<<8)|69)
#define	DPT_STATINFO   (('D'<<8)|70)
#define	DPT_CLRSTAT    (('D'<<8)|71)
#define	DPT_SYSINFO    (('D'<<8)|72)
/* Set Timeout Value		*/
#define	DPT_TIMEOUT    (('D'<<8)|73)
/* Get config Data		*/
#define	DPT_CONFIG     (('D'<<8)|74)
/* Get config Data		*/
#define	DPT_BLINKLED   (('D'<<8)|75)
/* Get Statistical information (if available) */
#define	DPT_STATS_INFO	      (('D'<<8)|80)
/* Clear the statistical information	      */
#define	DPT_STATS_CLEAR	      (('D'<<8)|81)
/* Send an I2O command */
#define	I2OUSRCMD	(('D'<<8)|76)
/* Inform driver to re-acquire LCT information */
#define	I2ORESCANCMD	(('D'<<8)|77)
/* Inform driver to reset adapter */
#define	I2ORESETCMD	(('D'<<8)|78)

#else

  /* Unix Ioctl Command definitions */

#ifdef _DPT_AIX

#undef _IOWR
#undef _IOW
#undef _IOR
#undef _IO
#endif

#ifndef _IOWR
# define _IOWR(x,y,z)	(((x)<<8)|y)
#endif
#ifndef _IOW
# define _IOW(x,y,z)	(((x)<<8)|y)
#endif
#ifndef _IOR
# define _IOR(x,y,z)	(((x)<<8)|y)
#endif
#ifndef _IO
# define _IO(x,y)	(((x)<<8)|y)
#endif
/* EATA PassThrough Command	*/
#define	EATAUSRCMD	_IOWR('D',65,EATA_CP)
/* Set Debug Level If Enabled	*/
#define	DPT_DEBUG	_IOW('D',66,int)
/* Get Signature Structure	*/
#define	DPT_SIGNATURE	_IOR('D',67,dpt_sig_S)
#if defined __bsdi__
#define	DPT_SIGNATURE_PACKED   _IOR('D',67,dpt_sig_S_Packed)
#endif
/* Get Number Of DPT Adapters	*/
#define	DPT_NUMCTRLS	_IOR('D',68,int)
/* Get Adapter Info Structure	*/
#define	DPT_CTRLINFO	_IOR('D',69,CtrlInfo)
/* Get Statistics If Enabled	*/
#define	DPT_STATINFO	_IO('D',70)
/* Clear Stats If Enabled	*/
#define	DPT_CLRSTAT	_IO('D',71)
/* Get System Info Structure	*/
#define	DPT_SYSINFO	_IOR('D',72,sysInfo_S)
/* Set Timeout Value		*/
#define	DPT_TIMEOUT	_IO('D',73)
/* Get config Data		*/
#define	DPT_CONFIG	_IO('D',74)
/* Get Blink LED Code		*/
#define	DPT_BLINKLED	_IOR('D',75,int)
/* Get Statistical information (if available) */
#define	DPT_STATS_INFO	      _IOR('D',80,STATS_DATA)
/* Clear the statistical information	      */
#define	DPT_STATS_CLEAR	      _IO('D',81)
/* Get Performance metrics */
#define	DPT_PERF_INFO	     _IOR('D',82,dpt_perf_t)
/* Send an I2O command */
#define	I2OUSRCMD	_IO('D',76)
/* Inform driver to re-acquire LCT information */
#define	I2ORESCANCMD	_IO('D',77)
/* Inform driver to reset adapter */
#define	I2ORESETCMD	_IO('D',78)
#if defined _DPT_LINUX
/* See if the target is mounted */
#define	DPT_TARGET_BUSY _IOR('D',79, TARGET_BUSY_T)
#endif


#endif	/* _DPT_SOLARIS else */

		 /* Adapter Flags Field Bit Definitions */

#define	CTLR_INSTALLED	0x00000001  /* Adapter Was Installed	    */
#define	CTLR_DMA	0x00000002  /* DMA Supported		    */
#define	CTLR_OVERLAP	0x00000004  /* Overlapped Commands Support  */
#define	CTLR_SECONDARY	0x00000008  /* I/O Address Not 0x1f0	    */
#define	CTLR_BLINKLED	0x00000010  /* Adapter In Blink LED State   */
#define	CTLR_HBACI	0x00000020  /* Cache Inhibit Supported	    */
#define	CTLR_CACHE	0x00000040  /* Adapter Has Cache	    */
#define	CTLR_SANE	0x00000080  /* Adapter Functioning OK	    */
#define	CTLR_BUS_QUIET	0x00000100  /* Bus Quite On This Adapter    */
#define	CTLR_ABOVE_16	0x00000200  /* Support For Mem. Above 16 MB */
#define	CTLR_SCAT_GATH	0x00000400  /* Scatter Gather Supported	    */


/* Definitions - Structure & Typedef ---------------------------------------*/

typedef struct {
		 uLONG	   MsgID;
		 DPT_TAG_T engineTag;
		 DPT_TAG_T targetTag;
		 DPT_MSG_T engEvent;
		 long	   BufferID;
		 uLONG	   FromEngBuffOffset;
		 uLONG	   callerID;
		 DPT_RTN_T result;
		 uLONG	   timeOut;
	       } MsgHdr;

#define	MsgDataSize sizeof(MsgHdr) - 4

#ifndef SNI_MIPS

/*-------------------------------------------------------------------------*/
/*		       EATA Command Packet definition			   */
/*-------------------------------------------------------------------------*/

typedef struct EATACommandPacket {

#ifdef _DPT_UNIXWARE

	uCHAR	  EataID[4];
	uINT	  EataCmd;
	uCHAR	  *CmdBuffer;

#endif	 /* _DPT_UNIXWARE */

#ifdef _DPT_AIX

	uCHAR	  HbaTargetID;
	uCHAR	  HbaLUN;

#endif	/* _DPT_AIX */

	uCHAR	 cp_Flags1;	     /* Command Flags			    */
	uCHAR	 cp_Req_Len;	     /* AutoRequestSense Data length.	    */
	uCHAR	 cp_Resv1[3];	     /* Reserved Fields			    */
	uCHAR	 cp_Flags2;
	uCHAR	 cp_Flags3;
	uCHAR	 cp_ScsiAddr;
	uCHAR	 cp_msg0;	     /* Identify and Disconnect Message.    */
	uCHAR	 cp_msg1;
	uCHAR	 cp_msg2;
	uCHAR	 cp_msg3;
	uCHAR	 cp_cdb[12];	     /* SCSI cdb for command.		    */
	uLONG	 cp_dataLen;	     /* Data length in Bytes for command.   */
	uLONG	 cp_Vue;	     /* Vendor Unique Area		    */
	uCHAR	 *cp_DataAddr;	     /* Data Address For The Command.	    */
	uCHAR	 *cp_SpAddr;	     /* Status Packet Physical Address.	    */
	uCHAR	 *cp_SenseAddr;	     /* AutoRequestSense Data Phy Address.  */

#ifdef _DPT_SOLARIS

	uCHAR	  HostStatus;
	uCHAR	  TargetStatus;
	uCHAR	  CdbLength;
	uCHAR	  SG_Size;
	struct scsi_arq_status ReqSenseData;
	struct	dpt_sg SG_List[DPT_MAX_DMA_SEGS];
	union {
		char *b_scratch;
		struct scsi_cmd *b_ownerp;
	      } cc;
	paddr_t ccb_paddr;
	uSHORT IOAddress;

#else  /* _DPT_SOLARIS */

	uLONG	  TimeOut ;
	uCHAR	  HostStatus;
	uCHAR	  TargetStatus;
	uCHAR	  Retries;

#endif	/* _DPT_SOLARIS else */

				  } EATA_CP;
#endif /* SNI_MIPS */


		      /* Control Flags 1 Definitions */

#define	SCSI_RESET	  0x01	     /* Cause a SCSI Bus reset on the cmd */
#define	HBA_INIT	  0x02	     /* Cause Controller to reInitialize  */
#define	AUTO_REQ_SENSE	  0x04	     /* Do Auto Request Sense on errors	  */
#define	SCATTER_GATHER	  0x08	     /* Data Ptr points to a SG Packet	  */
#define	INTERPRET	  0x20	     /* Interpret the SCSI cdb of own use */
#define	DATA_OUT	  0x04	     /* Data Out phase with command	  */
#define	DATA_IN		  0x08	     /* Data In phase with command	  */

		      /* Control Flags 2 Definitions */

#define	FIRMWARE_NESTED	  0x01


		      /* Control Flags 3 Definitions */

#define	PHYSICAL_UNIT	  0x01	     /* Send Command Directly To Target	  */
#define	IAT		  0x02	     /* Inhibit Address Translation	  */
#define	HBACI		  0x04	     /* Inhibit Caching			  */


  /* Structure Returned From Get Controller Info			     */

typedef struct {

	uCHAR	 state;		   /* Operational state		      */
	uCHAR	 id;		   /* Host adapter SCSI id	      */
	int	 vect;		   /* Interrupt vector number	      */
	int	 base;		   /* Base I/O address		      */
	int	 njobs;		   /* # of jobs sent to HA	      */
	int	 qdepth;	   /* Controller queue depth.	      */
	int	 wakebase;	   /* mpx wakeup base index.	      */
	uLONG	 SGsize;	   /* Scatter/Gather list size.	      */
	unsigned heads;		   /* heads for drives on cntlr.      */
	unsigned sectors;	   /* sectors for drives on cntlr.    */
	uCHAR	 do_drive32;	   /* Flag for Above 16 MB Ability    */
	uCHAR	 BusQuiet;	   /* SCSI Bus Quiet Flag	      */
	char	 idPAL[4];	   /* 4 Bytes Of The ID Pal	      */
	uCHAR	 primary;	   /* 1 For Primary, 0 For Secondary  */
	uCHAR	 eataVersion;	   /* EATA Version		      */
	uLONG	 cpLength;	   /* EATA Command Packet Length      */
	uLONG	 spLength;	   /* EATA Status Packet Length	      */
	uCHAR	 drqNum;	   /* DRQ Index (0,5,6,7)	      */
	uCHAR	 flag1;		   /* EATA Flags 1 (Byte 9)	      */
	uCHAR	 flag2;		   /* EATA Flags 2 (Byte 30)	      */

	       } CtrlInfo;

#ifndef SNI_MIPS
#ifdef _DPT_UNIXWARE

typedef struct {

	uINT	 state;		   /* Operational state		   */
	uCHAR	 id[4];		   /* Host adapter SCSI id	   */
	uINT	 vect;		   /* Interrupt vector number	   */
	uLONG	 base;		   /* Base I/O address		   */
	int	 ha_max_jobs;	   /* Max number of Active Jobs	   */
	uLONG	 ha_cacheParams;
	int	 ha_nbus;	   /* Number Of Busses on HBA	   */
	int	 ha_ntargets;	   /* Number Of Targets Supported  */
	int	 ha_nluns;	   /* Number Of LUNs Supported	   */
	int	 ha_tshift;	   /* Shift value for target	   */
	int	 ha_bshift;	   /* Shift value for bus	   */
	uINT	 ha_npend;	   /* # of jobs sent to HA	   */
	int	 ha_active_jobs;   /* Number Of Active Jobs	   */

	       } HbaInfo;

	/* SDI ioctl prefix for hba specific ioctl's */

#define	SDI_IOC	       (('S'<<24)|('D'<<16)|('I'<<8))

#define	SDI_HBANAME    ((SDI_IOC)|0x14) /* Get HBA module name	    */
#define	SDI_SEND       0x0081		/* Send a SCSI command	    */

#else

typedef struct {

	uLONG  flags;		 /* Operational State Flags	    */
	uCHAR  id[4];		 /* Host Adapter SCSI ID	    */
	int    vect;		 /* Interrupt Vector Number	    */
	int    base;		 /* Base I/O Address		    */
	int    njobs;		 /* # Of CCBs Outstanding To HBA    */
	int    qdepth;		 /* Controller Queue depth.	    */
	uLONG  SGsize;		 /* Scatter/Gather List Size.	    */
	char   idPAL[4];	 /* 4 Bytes Of The ID Pal	    */
	uCHAR  eataVersion;	 /* EATA Version		    */
	uLONG  cpLength;	 /* EATA Command Packet Length	    */
	uLONG  spLength;	 /* EATA Status Packet Length	    */
	uCHAR  drqNum;		 /* DRQ Index (0,5,6,7)		    */
	uCHAR  eataflag1;	 /* EATA Flags 1 (Byte 9)	    */
	uCHAR  eataflag2;	 /* EATA Flags 2 (Byte 30)	    */
	uCHAR  maxChannel;	 /* Maximum Channel Number	    */
	uCHAR  maxID;		 /* Maximum Target ID		    */
	uCHAR  maxLUN;		 /* Maximum LUN			    */
	uCHAR  HbaBusType;	 /* HBA Bus Type, EISA, PCI, etc    */
	uCHAR  RaidNum;		 /* Host Adapter RAID Number	    */

	       } HbaInfo;

#endif	/* _DPT_UNIXWARE */
#endif /* SNI_MIPS */


#ifdef _DPT_AIX

/*
 * DPT Host Adapter config information structure - this structure contains
 * configuration information about an adapter.	It is imbedded into the
 * dpt_ctl structure.
 */

typedef struct dpt_cfg {
    uchar	flags;			/* Operational state flags	*/
    uchar	id[4];			/* Host adapter SCSI IDs	*/
    int		vect;			/* Interrupt vector number	*/
    ulong	base_addr;		/* Base I/O address		*/
    int		qdepth;			/* Controller queue depth.	*/
    ulong	SGsize;			/* Max scatter/gather list sz	*/
    ulong	SGmax;			/* Max s/g we can use per req	*/
    uchar	eataVersion;		/* EATA version			*/
    ushort	cpPadLen;		/* # of pad bytes sent to HA for
					   PIO commands			*/
    ulong	cpLength;		/* EATA Command Packet length	*/
    ulong	spLength;		/* EATA Status Packet length	*/
    uchar	eataflag1;		/* EATA Flags 1 (Byte 9)	*/
    uchar	eataflag2;		/* EATA Flags 2 (Byte 30)	*/
    uchar	maxChan;		/* Maximum Channel number	*/
    uchar	maxID;			/* Maximum target ID		*/
    uchar	maxLUN;			/* Maximum LUN			*/
    uchar	HbaBusType;		/* HBA bus type, EISA, PCI, etc */
    uchar	RaidNum;		/* Host adapter RAID number	*/
} DptCfg_t;

#endif /* _DPT_AIX */


#define	MAX_ELEMENT_COUNT	 64
#define	MAX_BUCKET_COUNT	 10

/*
 * DPT statistics structure definitions
 */
typedef struct IO_SIZE_STATS
{
  uLONG TotalIoCount;
  uLONG IoCountRead;
  uLONG IoCountReadSg;
  uLONG IoCountWrite;
  uLONG IoCountWriteSg;
  uLONG UnalignedIoAddress;
  uLONG SgElementCount[MAX_ELEMENT_COUNT];

} IO_SIZE_STATS_T, *pIO_SIZE_STATS_T;

typedef struct STATS_DATA
{
  uLONG TotalIoCount;
  uLONG TotalUnCachedIoCount;
  uLONG MaxOutstandingIoCount;
  uLONG CurrentOutstandingIoCount;
  uLONG OutstandingIoRunningCount;
  uLONG UnalignedPktCount;
  uLONG UnalignedSgCount;
  uLONG NonPageListAddressSgCount;
  uLONG MaxMessagesPerInterrupt;
  IO_SIZE_STATS_T IoSize[MAX_BUCKET_COUNT];

} STATS_DATA_T, *pSTATS_DATA_T;

typedef struct TARGET_BUSY
{
  uLONG channel;
  uLONG id;
  uLONG lun;
  uLONG isBusy;
} TARGET_BUSY_T;
#endif /* __OSD_UNIX_H */
