dlls/winaspi/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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  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 /* This is what the linux kernel thinks.... */
  30 static const unsigned char scsi_command_size[8] =
  31 {
  32         6, 10, 10, 12,
  33         12, 12, 10, 10
  34 };
  35
  36 struct sg_header
  37 {
  38     int pack_len;    /* [o] reply_len (ie useless), ignored as input */
  39     int reply_len;   /* [i] max length of expected reply (inc. sg_header) */
  40     int pack_id;     /* [io] id number of packet (use ints >= 0) */
  41     int result;      /* [o] 0==ok, else (+ve) Unix errno (best ignored) */
  42     unsigned int twelve_byte:1;
  43         /* [i] Force 12 byte command length for group 6 & 7 commands  */
  44     unsigned int target_status:5;   /* [o] scsi status from target */
  45     unsigned int host_status:8;     /* [o] host status (see "DID" codes) */
  46     unsigned int driver_status:8;   /* [o] driver status+suggestion */
  47     unsigned int other_flags:10;    /* unused */
  48     unsigned char sense_buffer[SG_MAX_SENSE]; /* [o] Output in 3 cases:
  49            when target_status is CHECK_CONDITION or
  50            when target_status is COMMAND_TERMINATED or
  51            when (driver_status & DRIVER_SENSE) is true. */
  52 };      /* This structure is 36 bytes long on i386 */
  53
  54 #define SCSI_OFF sizeof(struct sg_header)
  55
  56 #define SG_SET_TIMEOUT  0x2201
  57 #define SG_GET_TIMEOUT  0x2202
  58 #define SCSI_DEFAULT_TIMEOUT 6000*5 /* 5 minutes */
  59 #endif
  60
  61
  62 /* RegKey used for SCSI info under HKEY_DYN_DATA */
  63 #define KEYNAME_SCSI "WineScsi"
  64 #define KEYNAME_SCSI_CONTROLLERMAP "ControllerMap"
  65
  66 /* Function prototypes from dlls/wnaspi32/aspi.c */
  67 void
  68 SCSI_Init();
  69
  70 int
  71 ASPI_GetNumControllers();
  72
  73 int
  74 SCSI_OpenDevice( int h, int c, int t, int d );
  75
  76 int
  77 SCSI_LinuxSetTimeout( int fd, int timeout );
  78
  79 #ifdef linux
  80 BOOL
  81 SCSI_LinuxDeviceIo( int fd,
  82                 struct sg_header * lpvInBuffer, DWORD cbInBuffer,
  83                 struct sg_header * lpvOutBuffer, DWORD cbOutBuffer,
  84                 LPDWORD lpcbBytesReturned );
  85
  86 void
  87 SCSI_Fix_CMD_LEN( int fd, int cmd, int len );
  88 #endif
  89
  90 BOOL
  91 SCSI_GetDeviceName(int h, int c, int t, int d, LPSTR devstr, LPDWORD lpcbData);
  92
  93 DWORD
  94 ASPI_GetHCforController( int controller );
  95
  96 /*** This is where we throw some miscellaneous crap ***/
  97
  98 #define ASPI_POSTING(prb) (prb->SRB_Flags & 0x1)
  99
 100 /* WNASPI32/WINASPI defs */
 101 #define HOST_TO_TARGET(prb) (((prb->SRB_Flags>>3) & 0x3) == 0x2)
 102 #define TARGET_TO_HOST(prb) (((prb->SRB_Flags>>3) & 0x3) == 0x1)
 103 #define NO_DATA_TRANSFERED(prb) (((prb->SRB_Flags>>3) & 0x3) == 0x3)
 104
 105
 106 #define INQUIRY_VENDOR          8
 107
 108 #define MUSTEK_SCSI_AREA_AND_WINDOWS 0x04
 109 #define MUSTEK_SCSI_READ_SCANNED_DATA 0x08
 110 #define MUSTEK_SCSI_GET_IMAGE_STATUS 0x0f
 111 #define MUSTEK_SCSI_ADF_AND_BACKTRACE 0x10
 112 #define MUSTEK_SCSI_CCD_DISTANCE 0x11
 113 #define MUSTEK_SCSI_START_STOP 0x1b
 114
 115
 116 #define INQURIY_CMDLEN 6
 117 #define INQURIY_REPLY_LEN 96
 118 #define INQUIRY_VENDOR 8
 119
 120 #define SENSE_BUFFER(prb) (&prb->CDBByte[prb->SRB_CDBLen])
 121
 122 /* Just a container for seeing what devices are open */
 123 struct ASPI_DEVICE_INFO {
 124     struct ASPI_DEVICE_INFO *   next;
 125     int                         fd;
 126     int                         hostId;
 127     int                         target;
 128     int                         lun;
 129 };
 130
 131 typedef struct ASPI_DEVICE_INFO ASPI_DEVICE_INFO;
 132
 133 /*** End Miscellaneous crap ***/
 134
 135 #endif /* #ifndef __WINESCSI_H */