Add the 'asr' driver, supplied by Mark Salyzyn of Adaptec (nee DPT).

This provides support for the Adaptec SCSI RAID controller family,
as well as the DPT SmartRAID V and VI families.

The driver will be maintained by Mark and Adaptec, and any changes
should be referred to the MAINTAINER.

1 files changed, 590 insertions, 0 deletions

diff --git a/sys/dev/asr/osd_unix.h b/sys/dev/asr/osd_unix.h
new file mode 100644
index 0000000..d283aff
--- /dev/null
+++ b/sys/dev/asr/osd_unix.h
@@ -0,0 +1,590 @@
+/* $FreeBSD$ */
+/*	BSDI osd_unix.h,v 1.7 1998/06/03 19:14:58 karels Exp	*/
+
+/*
+ * 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.
+ *
+ */
+
+#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 */