text: /*
   * Copyright (C) 2000 David Elliott <dfe@infinite-internet.net>
   *
   * This library is free software; you can redistribute it and/or
   * modify it under the terms of the GNU Lesser General Public
   * License as published by the Free Software Foundation; either
   * version 2.1 of the License, or (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   * Lesser General Public License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
   */
  
  #ifndef __WINESCSI_H__
  #define __WINESCSI_H__
  
  #ifdef linux
  /* Copy of info from 2.2.x kernel */
  #define SG_MAX_SENSE 16   /* too little, unlikely to change in 2.2.x */
  
  #define SG_NEXT_CMD_LEN 0x2283  /* override SCSI command length with given
  		   number on the next write() on this file descriptor */
  
  struct sg_header
  {
      int pack_len;    /* [o] reply_len (ie useless), ignored as input */
      int reply_len;   /* [i] max length of expected reply (inc. sg_header) */
      int pack_id;     /* [io] id number of packet (use ints >= 0) */
      int result;      /* [o] 0==ok, else (+ve) Unix errno (best ignored) */
      unsigned int twelve_byte:1;
          /* [i] Force 12 byte command length for group 6 & 7 commands  */
      unsigned int target_status:5;   /* [o] scsi status from target */
      unsigned int host_status:8;     /* [o] host status (see "DID" codes) */
      unsigned int driver_status:8;   /* [o] driver status+suggestion */
      unsigned int other_flags:10;    /* unused */
      unsigned char sense_buffer[SG_MAX_SENSE]; /* [o] Output in 3 cases:
             when target_status is CHECK_CONDITION or
             when target_status is COMMAND_TERMINATED or
             when (driver_status & DRIVER_SENSE) is true. */
  };      /* This structure is 36 bytes long on i386 */
  
  #define SCSI_OFF sizeof(struct sg_header)
  
  #define SG_SET_TIMEOUT	0x2201
  #define SG_GET_TIMEOUT	0x2202
  #define SCSI_DEFAULT_TIMEOUT 6000*5 /* 5 minutes */
  #endif
  
  
  /* RegKey used for SCSI info under HKLM */
  #define KEYNAME_SCSI "HARDWARE\\DEVICEMAP\\Scsi\\Scsi Port %d\\Scsi Bus %d\\Target Id %d\\Logical Unit Id %d"
  
  /* Function prototypes from dlls/wnaspi32/aspi.c */
  void
  SCSI_Init(void);
  
  int
  ASPI_GetNumControllers(void);
  
  int
  SCSI_OpenDevice( int h, int c, int t, int d );
  
  int
  SCSI_LinuxSetTimeout( int fd, int timeout );
  
  #ifdef linux
  BOOL
  SCSI_LinuxDeviceIo( int fd,
  		struct sg_header * lpvInBuffer, DWORD cbInBuffer,
  		struct sg_header * lpvOutBuffer, DWORD cbOutBuffer,
  		LPDWORD lpcbBytesReturned );
  
  void
  SCSI_Fix_CMD_LEN( int fd, int cmd, int len );
  #endif
  
  BOOL
  SCSI_GetDeviceName(int h, int c, int t, int d, LPSTR devstr, LPDWORD lpcbData);
  
  DWORD
  ASPI_GetHCforController( int controller );
  
  /*** This is where we throw some miscellaneous crap ***/
  
  #define ASPI_POSTING(prb) (prb->SRB_Flags & 0x1)
  
  /* WNASPI32/WINASPI defs */
  #define HOST_TO_TARGET(prb) (((prb->SRB_Flags>>3) & 0x3) == 0x2)
  #define TARGET_TO_HOST(prb) (((prb->SRB_Flags>>3) & 0x3) == 0x1)
  #define NO_DATA_TRANSFERRED(prb) (((prb->SRB_Flags>>3) & 0x3) == 0x3)
  
  
  #define INQUIRY_VENDOR          8
  
  #define MUSTEK_SCSI_AREA_AND_WINDOWS 0x04
  #define MUSTEK_SCSI_READ_SCANNED_DATA 0x08
  #define MUSTEK_SCSI_GET_IMAGE_STATUS 0x0f
  #define MUSTEK_SCSI_ADF_AND_BACKTRACE 0x10
  #define MUSTEK_SCSI_CCD_DISTANCE 0x11
  #define MUSTEK_SCSI_START_STOP 0x1b
  
  
  #define INQURIY_CMDLEN 6
  #define INQURIY_REPLY_LEN 96
  #define INQUIRY_VENDOR 8
  
  #define SENSE_BUFFER(prb) (&prb->CDBByte[prb->SRB_CDBLen])
  
  /* Just a container for seeing what devices are open */
  struct ASPI_DEVICE_INFO {
      struct ASPI_DEVICE_INFO *   next;
      int                         fd;
      int                         hostId;
      int                         target;
      int                         lun;
  };
  
  typedef struct ASPI_DEVICE_INFO ASPI_DEVICE_INFO;
  
  /*** End Miscellaneous crap ***/
  
  #endif /* #ifndef __WINESCSI_H */
  