dlls/wnaspi32/winescsi.h

   1 /*
   2  * Copyright (C) 2000 David Elliott <dfe@infinite-internet.net>
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17  */
  18
  19 #ifndef __WINESCSI_H__
  20 #define __WINESCSI_H__
  21
  22 #ifdef linux
  23 /* Copy of info from 2.2.x kernel */
  24 #define SG_MAX_SENSE 16   /* too little, unlikely to change in 2.2.x */
  25
  26 #define SG_NEXT_CMD_LEN 0x2283  /* override SCSI command length with given
  27                    number on the next write() on this file descriptor */
  28
  29 struct sg_header
  30 {
  31     int pack_len;    /* [o] reply_len (ie useless), ignored as input */
  32     int reply_len;   /* [i] max length of expected reply (inc. sg_header) */
  33     int pack_id;     /* [io] id number of packet (use ints >= 0) */
  34     int result;      /* [o] 0==ok, else (+ve) Unix errno (best ignored) */
  35     unsigned int twelve_byte:1;
  36         /* [i] Force 12 byte command length for group 6 & 7 commands  */
  37     unsigned int target_status:5;   /* [o] scsi status from target */
  38     unsigned int host_status:8;     /* [o] host status (see "DID" codes) */
  39     unsigned int driver_status:8;   /* [o] driver status+suggestion */
  40     unsigned int other_flags:10;    /* unused */
  41     unsigned char sense_buffer[SG_MAX_SENSE]; /* [o] Output in 3 cases:
  42            when target_status is CHECK_CONDITION or
  43            when target_status is COMMAND_TERMINATED or
  44            when (driver_status & DRIVER_SENSE) is true. */
  45 };      /* This structure is 36 bytes long on i386 */
  46
  47 #define SCSI_OFF sizeof(struct sg_header)
  48
  49 #define SG_SET_TIMEOUT  0x2201
  50 #define SG_GET_TIMEOUT  0x2202
  51 #define SCSI_DEFAULT_TIMEOUT 6000*5 /* 5 minutes */
  52 #endif
  53
  54
  55 /* RegKey used for SCSI info under HKLM */
  56 #define KEYNAME_SCSI "HARDWARE\\DEVICEMAP\\Scsi\\Scsi Port %d\\Scsi Bus %d\\Target Id %d\\Logical Unit Id %d"
  57
  58 /* Function prototypes from dlls/wnaspi32/aspi.c */
  59 void
  60 SCSI_Init(void) DECLSPEC_HIDDEN;
  61
  62 int
  63 ASPI_GetNumControllers(void) DECLSPEC_HIDDEN;
  64
  65 int
  66 SCSI_OpenDevice( int h, int c, int t, int d ) DECLSPEC_HIDDEN;
  67
  68 int
  69 SCSI_LinuxSetTimeout( int fd, int timeout ) DECLSPEC_HIDDEN;
  70
  71 #ifdef linux
  72 BOOL
  73 SCSI_LinuxDeviceIo( int fd,
  74                 struct sg_header * lpvInBuffer, DWORD cbInBuffer,
  75                 struct sg_header * lpvOutBuffer, DWORD cbOutBuffer,
  76                 LPDWORD lpcbBytesReturned ) DECLSPEC_HIDDEN;
  77
  78 void
  79 SCSI_Fix_CMD_LEN( int fd, int cmd, int len ) DECLSPEC_HIDDEN;
  80 #endif
  81
  82 DWORD
  83 ASPI_GetHCforController( int controller ) DECLSPEC_HIDDEN;
  84
  85 /*** This is where we throw some miscellaneous crap ***/
  86
  87 #define ASPI_POSTING(prb) (prb->SRB_Flags & 0x1)
  88
  89 /* WNASPI32/WINASPI defs */
  90 #define HOST_TO_TARGET(prb) (((prb->SRB_Flags>>3) & 0x3) == 0x2)
  91 #define TARGET_TO_HOST(prb) (((prb->SRB_Flags>>3) & 0x3) == 0x1)
  92 #define NO_DATA_TRANSFERRED(prb) (((prb->SRB_Flags>>3) & 0x3) == 0x3)
  93
  94
  95 #define INQUIRY_VENDOR          8
  96
  97 #define MUSTEK_SCSI_AREA_AND_WINDOWS 0x04
  98 #define MUSTEK_SCSI_READ_SCANNED_DATA 0x08
  99 #define MUSTEK_SCSI_GET_IMAGE_STATUS 0x0f
 100 #define MUSTEK_SCSI_ADF_AND_BACKTRACE 0x10
 101 #define MUSTEK_SCSI_CCD_DISTANCE 0x11
 102 #define MUSTEK_SCSI_START_STOP 0x1b
 103
 104
 105 #define INQURIY_CMDLEN 6
 106 #define INQURIY_REPLY_LEN 96
 107 #define INQUIRY_VENDOR 8
 108
 109 #define SENSE_BUFFER(prb) (&prb->CDBByte[prb->SRB_CDBLen])
 110
 111 /* Just a container for seeing what devices are open */
 112 struct ASPI_DEVICE_INFO {
 113     struct ASPI_DEVICE_INFO *   next;
 114     int                         fd;
 115     int                         hostId;
 116     int                         target;
 117     int                         lun;
 118 };
 119
 120 typedef struct ASPI_DEVICE_INFO ASPI_DEVICE_INFO;
 121
 122 /*** End Miscellaneous crap ***/
 123
 124 #endif /* #ifndef __WINESCSI_H */