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