//
// iodev/aspi-win32.h
// $Id: aspi-win32.h,v 1.2 2001/06/25 12:52:37 bdenney Exp $
//
// This file was copied from cdrecord 1.9 under libscg/scg/aspi-win32.h.
// The only modification is related to use of the PACKED keyword.  
// 

#ifndef __ASPI_WIN32_H_
#define __ASPI_WIN32_H_

#include <windows.h>

#ifndef PACKED
// It seems that VC++ has no PACKED keyword but Cygwin does.  We can just
// define PACKED to be empty if it's not already defined by the system 
// headers.
#define PACKED /* empty */
#endif

/***************************************************************************
 ** SCSI MISCELLANEOUS EQUATES
 ***************************************************************************/
#define SENSE_LEN                 14     /* Default sense buffer length    */
#define SRB_DIR_SCSI              0x00   /* Direction determined by SCSI   */
#define SRB_POSTING               0x01   /* Enable ASPI posting            */
#define SRB_ENABLE_RESIDUAL_COUNT 0x04   /* Enable residual byte count     */
                                         /* reporting                      */
#define SRB_DIR_IN                0x08   /* Transfer from SCSI target to   */
                                         /* host                           */
#define SRB_DIR_OUT               0x10   /* Transfer from host to SCSI     */
                                         /* target                         */
#define SRB_EVENT_NOTIFY          0x40   /* Enable ASPI event notification */
#define RESIDUAL_COUNT_SUPPORTED  0x02   /* Extended buffer flag           */
#define MAX_SRB_TIMEOUT       1080001u   /* 30 hour maximum timeout in sec */
#define DEFAULT_SRB_TIMEOUT   1080001u   /* use max.timeout by default     */

/***************************************************************************
 ** ASPI command definitions
 ***************************************************************************/
#define SC_HA_INQUIRY             0x00   /* Host adapter inquiry           */
#define SC_GET_DEV_TYPE           0x01   /* Get device type                */
#define SC_EXEC_SCSI_CMD          0x02   /* Execute SCSI command           */
#define SC_ABORT_SRB              0x03   /* Abort an SRB                   */
#define SC_RESET_DEV              0x04   /* SCSI bus device reset          */
#define SC_SET_HA_PARMS           0x05   /* Set HA parameters              */
#define SC_GET_DISK_INFO          0x06   /* Get Disk                       */
#define SC_RESCAN_SCSI_BUS        0x07   /* Rebuild SCSI device map        */
#define SC_GETSET_TIMEOUTS        0x08   /* Get/Set target timeouts        */


/***************************************************************************
 ** SRB Status
 ***************************************************************************/
#define SS_PENDING                0x00   /* SRB being processed            */
#define SS_COMP                   0x01   /* SRB completed without error    */
#define SS_ABORTED                0x02   /* SRB aborted                    */
#define SS_ABORT_FAIL             0x03   /* Unable to abort SRB            */
#define SS_ERR                    0x04   /* SRB completed with error       */
#define SS_INVALID_CMD            0x80   /* Invalid ASPI command           */
#define SS_INVALID_HA             0x81   /* Invalid host adapter number    */
#define SS_NO_DEVICE              0x82   /* SCSI device not installed      */
#define SS_INVALID_SRB            0xE0   /* Invalid parameter set in SRB   */
#define SS_OLD_MANAGER            0xE1   /* ASPI manager doesn't support   */
                                         /* windows                        */
#define SS_BUFFER_ALIGN           0xE1   /* Buffer not aligned (replaces   */
                                         /* SS_OLD_MANAGER in Win32)       */
#define SS_ILLEGAL_MODE           0xE2   /* Unsupported Windows mode       */
#define SS_NO_ASPI                0xE3   /* No ASPI managers               */
#define SS_FAILED_INIT            0xE4   /* ASPI for windows failed init   */
#define SS_ASPI_IS_BUSY           0xE5   /* No resources available to      */
                                         /* execute command                */
#define SS_BUFFER_TO_BIG          0xE6   /* Buffer size too big to handle  */
#define SS_BUFFER_TOO_BIG         0xE6   /* Correct spelling of 'too'      */
#define SS_MISMATCHED_COMPONENTS  0xE7   /* The DLLs/EXEs of ASPI don't    */
                                         /* version check                  */
#define SS_NO_ADAPTERS            0xE8   /* No host adapters to manager    */
#define SS_INSUFFICIENT_RESOURCES 0xE9   /* Couldn't allocate resources    */
                                         /* needed to init                 */
#define SS_ASPI_IS_SHUTDOWN       0xEA   /* Call came to ASPI after        */
                                         /* PROCESS_DETACH                 */
#define SS_BAD_INSTALL            0xEB   /* The DLL or other components    */
                                         /* are installed wrong            */

/***************************************************************************
 ** Host Adapter Status
 ***************************************************************************/
#define HASTAT_OK                 0x00   /* No error detected by HA        */
#define HASTAT_SEL_TO             0x11   /* Selection Timeout              */
#define HASTAT_DO_DU              0x12   /* Data overrun/data underrun     */
#define HASTAT_BUS_FREE           0x13   /* Unexpected bus free            */
#define HASTAT_PHASE_ERR          0x14   /* Target bus phase sequence      */
#define HASTAT_TIMEOUT            0x09   /* Timed out while SRB was        */
                                         /* waiting to be processed        */
#define HASTAT_COMMAND_TIMEOUT    0x0B   /* Adapter timed out while        */
                                         /* processing SRB                 */
#define HASTAT_MESSAGE_REJECT     0x0D   /* While processing the SRB, the  */
                                         /* adapter received a MESSAGE     */
#define HASTAT_BUS_RESET          0x0E   /* A bus reset was detected       */
#define HASTAT_PARITY_ERROR       0x0F   /* A parity error was detected    */
#define HASTAT_REQUEST_SENSE_FAILED 0x10 /* The adapter failed in issuing  */

/***************************************************************************
 ** SRB - HOST ADAPTER INQUIRIY - SC_HA_INQUIRY (0)
 ***************************************************************************/
typedef struct {
  BYTE     SRB_Cmd;           /* 00/000 ASPI command code == SC_HA_INQUIRY */
  BYTE     SRB_Status;        /* 01/001 ASPI command status byte           */
  BYTE     SRB_HaId;          /* 02/002 ASPI host adapter number           */
  BYTE     SRB_Flags;         /* 03/003 ASPI request flags                 */
  DWORD    SRB_Hdr_Rsvd;      /* 04/004 Reserved, must = 0                 */
  BYTE     HA_Count;          /* 08/008 Number of host adapters present    */
  BYTE     HA_SCSI_ID;        /* 09/009 SCSI ID of host adapter            */
  BYTE     HA_ManagerId[16];  /* 0a/010 String describing the manager      */
  BYTE     HA_Identifier[16]; /* 1a/026 String describing the host adapter */
  BYTE     HA_Unique[16];     /* 2a/042 Host Adapter Unique parameters     */
  WORD     HA_Rsvd1;          /* 3a/058 Reserved, must = 0                 */
} PACKED SRB_HAInquiry, *PSRB_HAInquiry, FAR *LPSRB_HAInquiry;


/***************************************************************************
 ** SRB - GET DEVICE TYPE - SC_GET_DEV_TYPE (1)
 ***************************************************************************/
typedef struct
{
  BYTE     SRB_Cmd;           /* 00/000 ASPI cmd code == SC_GET_DEV_TYPE   */
  BYTE     SRB_Status;        /* 01/001 ASPI command status byte           */
  BYTE     SRB_HaId;          /* 02/002 ASPI host adapter number           */
  BYTE     SRB_Flags;         /* 03/003 Reserved, must = 0                 */
  DWORD    SRB_Hdr_Rsvd;      /* 04/004 Reserved, must = 0                 */
  BYTE     SRB_Target;        /* 08/008 Target's SCSI ID                   */
  BYTE     SRB_Lun;           /* 09/009 Target's LUN number                */
  BYTE     SRB_DeviceType;    /* 0a/010 Target's peripheral device type    */
  BYTE     SRB_Rsvd1;         /* 0b/011 Reserved, must = 0                 */
} PACKED SRB_GDEVBlock, *PSRB_GDEVBlock, FAR *LPSRB_GDEVBlock;


/***************************************************************************
 ** SRB - EXECUTE SCSI COMMAND - SC_EXEC_SCSI_CMD (2)
 ***************************************************************************/
typedef struct
{
  BYTE     SRB_Cmd;           /* 00/000 ASPI cmd code == SC_EXEC_SCSI_CMD  */
  BYTE     SRB_Status;        /* 01/001 ASPI command status byte           */
  BYTE     SRB_HaId;          /* 02/002 ASPI host adapter number           */
  BYTE     SRB_Flags;         /* 03/003 Reserved, must = 0                 */
  DWORD    SRB_Hdr_Rsvd;      /* 04/004 Reserved, must = 0                 */
  BYTE     SRB_Target;        /* 08/008 Target's SCSI ID                   */
  BYTE     SRB_Lun;           /* 09/009 Target's LUN                       */
  WORD     SRB_Rsvd1;         /* 0a/010 Reserved for alignment             */
  DWORD    SRB_BufLen;        /* 0c/012 Data Allocation Length             */
  BYTE FAR *SRB_BufPointer;   /* 10/016 Data Buffer Pointer                */
  BYTE     SRB_SenseLen;      /* 14/020 Sense Allocation Length            */
  BYTE     SRB_CDBLen;        /* 15/021 CDB Length                         */
  BYTE     SRB_HaStat;        /* 16/022 Host Adapter Status                */
  BYTE     SRB_TargStat;      /* 17/023 Target Status                      */
  VOID FAR *SRB_PostProc;     /* 18/024 Post routine                       */
  BYTE     SRB_Rsvd2[20];     /* 1c/028 Reserved, must = 0                 */
  BYTE     CDBByte[16];       /* 30/048 SCSI CDB                           */
  BYTE SenseArea[SENSE_LEN+2]; /* 40/064 Request Sense buffer              */
} PACKED SRB_ExecSCSICmd, *PSRB_ExecSCSICmd, FAR *LPSRB_ExecSCSICmd;


typedef struct
{
  BYTE     SRB_Cmd;           /* 00/000 ASPI cmd code == SC_ABORT_SRB      */
  BYTE     SRB_Status;        /* 01/001 ASPI command status byte           */
  BYTE     SRB_HaId;          /* 02/002 ASPI host adapter number           */
  BYTE     SRB_Flags;         /* 03/003 Reserved, must = 0                 */
  DWORD    SRB_Hdr_Rsvd;      /* 04/004 Reserved, must = 0                 */
  void     *SRB_ToAbort;      /* 08/008 Pointer to SRB to abort            */
} PACKED SRB_Abort, *PSRB_Abort, FAR *LPSRB_Abort;


/***************************************************************************
 ** SRB - BUS DEVICE RESET - SC_RESET_DEV (4)
 ***************************************************************************/
typedef struct
{
  BYTE     SRB_Cmd;           /* 00/000 ASPI cmd code == SC_RESET_DEV      */
  BYTE     SRB_Status;        /* 01/001 ASPI command status byte           */
  BYTE     SRB_HaId;          /* 02/002 ASPI host adapter number           */
  DWORD    SRB_Flags;	      /* 04/004 Reserved                           */
  BYTE     SRB_Target;        /* 08/008 Target's SCSI ID                   */
  BYTE     SRB_Lun;           /* 09/009 Target's LUN number                */
  BYTE     SRB_Rsvd1[12];     /* 0A/010 Reserved for alignment             */
  BYTE     SRB_HaStat;        /* 16/022 Host Adapter Status                */
  BYTE     SRB_TargStat;      /* 17/023 Target Status                      */
  VOID FAR *SRB_PostProc;     /* 18/024 Post routine                       */
  BYTE     SRB_Rsvd2[36];     /* 1C/028 Reserved, must = 0                 */
} SRB_BusDeviceReset, *PSRB_BusDeviceReset, FAR *LPSRB_BusDeviceReset;

typedef struct tag_ASPI32BUFF
{
  PBYTE     AB_BufPointer;
  DWORD     AB_BufLen;
  DWORD     AB_ZeroFill;
  DWORD     AB_Reserved;
} PACKED ASPI32BUFF, *PASPI32BUFF, FAR *LPASPI32BUFF;

typedef struct 
{
  BYTE      SRB_Cmd;
  BYTE      SRB_Status;
  BYTE      SRB_HaId;
  BYTE      SRB_Flags;
  DWORD     SRB_Hdr_Rsvd;
} SRB, *PSRB, FAR *LPSRB;

#endif
