/*  dvdisaster: Additional error correction for optical media.
 *  Copyright (C) 2004-2017 Carsten Gnoerlich.
 *  Copyright (C) 2019-2021 The dvdisaster development team.
 *
 *  Email: support@dvdisaster.org
 *
 *  This file is part of dvdisaster.
 *
 *  dvdisaster is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  dvdisaster 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 General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with dvdisaster. If not, see <http://www.gnu.org/licenses/>.
 */

/*** src type: no GUI code ***/

#include "dvdisaster.h"

/***
 *** Error texts taken from /usr/src/linux/drivers/scsi/constants.c,
 *** which contained the following notice:
 *
 * ASCII values for a number of symbolic constants, printing functions,
 * etc.
 * Additions for SCSI 2 and Linux 2.2.x by D. Gilbert (990422)
 *
 */

static const char *snstext[] = {
    "None",                     /* There is no sense information */
    "Recovered Error",          /* The last command completed successfully
                                   but used error correction */
    "Not Ready",                /* The addressed target is not ready */
    "Medium Error",             /* Data error detected on the medium */
    "Hardware Error",           /* Controller or device failure */
    "Illegal Request",
    "Unit Attention",           /* Removable medium was changed, or
                                   the target has been reset */
    "Data Protect",             /* Access to the data is blocked */
    "Blank Check",              /* Reached unexpected written or unwritten
                                   region of the medium */
    "Key=9",                    /* Vendor specific */
    "Copy Aborted",             /* COPY or COMPARE was aborted */
    "Aborted Command",          /* The target aborted the command */
    "Equal",                    /* A SEARCH DATA command found data equal */
    "Volume Overflow",          /* Medium full with still data to be written */
    "Miscompare",               /* Source data and data on the medium
                                   do not agree */
    "Key=15",                   /* Reserved */
};

struct error_info{
    unsigned char code1, code2;
    unsigned short int devices;
    const char * text;
};

#define D 0x0001  /* DIRECT ACCESS DEVICE (disk) */
#define T 0x0002  /* SEQUENTIAL ACCESS DEVICE (tape) */
#define L 0x0004  /* PRINTER DEVICE */
#define P 0x0008  /* PROCESSOR DEVICE */
#define W 0x0010  /* WRITE ONCE READ MULTIPLE DEVICE */
#define R 0x0020  /* READ ONLY (CD-ROM) DEVICE */
#define S 0x0040  /* SCANNER DEVICE */
#define O 0x0080  /* OPTICAL MEMORY DEVICE */
#define M 0x0100  /* MEDIA CHANGER DEVICE */
#define C 0x0200  /* COMMUNICATION DEVICE */
#define A 0x0400  /* ARRAY STORAGE */
#define E 0x0800  /* ENCLOSURE SERVICES DEVICE */
#define B 0x1000  /* SIMPLIFIED DIRECT ACCESS DEVICE */
#define K 0x2000  /* OPTICAL CARD READER/WRITER DEVICE */

static struct error_info additional[] =
{
  {0x00,0x00,D|T|L|P|W|R|S|O|M|C|A|E|B|K,"No additional sense information"},
  {0x00,0x01,T,"Filemark detected"},
  {0x00,0x02,T|S,"End-of-partition/medium detected"},
  {0x00,0x03,T,"Setmark detected"},
  {0x00,0x04,T|S,"Beginning-of-partition/medium detected"},
  {0x00,0x05,T|L|S,"End-of-data detected"},
  {0x00,0x06,D|T|L|P|W|R|S|O|M|C|A|E|B|K,"I/O process terminated"},
  {0x00,0x11,R,"Audio play operation in progress"},
  {0x00,0x12,R,"Audio play operation paused"},
  {0x00,0x13,R,"Audio play operation successfully completed"},
  {0x00,0x14,R,"Audio play operation stopped due to error"},
  {0x00,0x15,R,"No current audio status to return"},
  {0x00,0x16,D|T|L|P|W|R|S|O|M|C|A|E|B|K,"Operation in progress"},
  {0x00,0x17,D|T|L|W|R|S|O|M|A|E|B|K,"Cleaning requested"},
  {0x01,0x00,D|W|O|B|K,"No index/sector signal"},
  {0x02,0x00,D|W|R|O|M|B|K,"No seek complete"},
  {0x03,0x00,D|T|L|W|S|O|B|K,"Peripheral device write fault"},
  {0x03,0x01,T,"No write current"},
  {0x03,0x02,T,"Excessive write errors"},
  {0x04,0x00,D|T|L|P|W|R|S|O|M|C|A|E|B|K,"Logical unit not ready,cause not reportable"},
  {0x04,0x01,D|T|L|P|W|R|S|O|M|C|A|E|B|K,"Logical unit is in process of becoming ready"},
  {0x04,0x02,D|T|L|P|W|R|S|O|M|C|A|E|B|K,"Logical unit not ready,initializing cmd. required"},
  {0x04,0x03,D|T|L|P|W|R|S|O|M|C|A|E|B|K,"Logical unit not ready,manual intervention required"},
  {0x04,0x04,D|T|L|R|O|B,"Logical unit not ready,format in progress"},
  {0x04,0x05,D|T|W|O|M|C|A|B|K,"Logical unit not ready,rebuild in progress"},
  {0x04,0x06,D|T|W|O|M|C|A|B|K,"Logical unit not ready,recalculation in progress"},
  {0x04,0x07,D|T|L|P|W|R|S|O|M|C|A|E|B|K,"Logical unit not ready,operation in progress"},
  {0x04,0x08,R,"Logical unit not ready,long write in progress"},
  {0x04,0x09,D|T|L|P|W|R|S|O|M|C|A|E|B|K,"Logical unit not ready,self-test in progress"},
  {0x05,0x00,D|T|L|W|R|S|O|M|C|A|E|B|K,"Logical unit does not respond to selection"},
  {0x06,0x00,D|W|R|O|M|B|K,"No reference position found"},
  {0x07,0x00,D|T|L|W|R|S|O|M|B|K,"Multiple peripheral devices selected"},
  {0x08,0x00,D|T|L|W|R|S|O|M|C|A|E|B|K,"Logical unit communication failure"},
  {0x08,0x01,D|T|L|W|R|S|O|M|C|A|E|B|K,"Logical unit communication time-out"},
  {0x08,0x02,D|T|L|W|R|S|O|M|C|A|E|B|K,"Logical unit communication parity error"},
  {0x08,0x03,D|T|R|O|M|B|K,"Logical unit communication CRC error (Ultra-DMA)"},
  {0x08,0x04,D|T|L|P|W|R|S|O|C|K,"Unreachable copy target"},
  {0x09,0x00,D|T|W|R|O|B,"Track following error"},
  {0x09,0x01,W|R|O|K,"Tracking servo failure"},
  {0x09,0x02,W|R|O|K,"Focus servo failure"},
  {0x09,0x03,W|R|O,"Spindle servo failure"},
  {0x09,0x04,D|T|W|R|O|B,"Head select fault"},
  {0x0A,0x00,D|T|L|P|W|R|S|O|M|C|A|E|B|K,"Error log overflow"},
  {0x0B,0x00,D|T|L|P|W|R|S|O|M|C|A|E|B|K,"Warning"},
  {0x0B,0x01,D|T|L|P|W|R|S|O|M|C|A|E|B|K,"Warning - specified temperature exceeded"},
  {0x0B,0x02,D|T|L|P|W|R|S|O|M|C|A|E|B|K,"Warning - enclosure degraded"},
  {0x0C,0x00,T|R|S,"Write error"},
  {0x0C,0x01,K,"Write error - recovered with auto reallocation"},
  {0x0C,0x02,D|W|O|B|K,"Write error - auto reallocation failed"},
  {0x0C,0x03,D|W|O|B|K,"Write error - recommend reassignment"},
  {0x0C,0x04,D|T|W|O|B,"Compression check miscompare error"},
  {0x0C,0x05,D|T|W|O|B,"Data expansion occurred during compression"},
  {0x0C,0x06,D|T|W|O|B,"Block not compressible"},
  {0x0C,0x07,R,"Write error - recovery needed"},
  {0x0C,0x08,R,"Write error - recovery failed"},
  {0x0C,0x09,R,"Write error - loss of streaming"},
  {0x0C,0x0A,R,"Write error - padding blocks added"},
  {0x10,0x00,D|W|O|B|K,"Id CRC or ECC error"},
  {0x11,0x00,D|T|W|R|S|O|B|K,"Unrecovered read error"},
  {0x11,0x01,D|T|W|R|S|O|B|K,"Read retries exhausted"},
  {0x11,0x02,D|T|W|R|S|O|B|K,"Error too long to correct"},
  {0x11,0x03,D|T|W|S|O|B|K,"Multiple read errors"},
  {0x11,0x04,D|W|O|B|K,"Unrecovered read error - auto reallocate failed"},
  {0x11,0x05,W|R|O|B,"L-EC uncorrectable error"},
  {0x11,0x06,W|R|O|B,"CIRC unrecovered error"},
  {0x11,0x07,W|O|B,"Data re-synchronization error"},
  {0x11,0x08,T,"Incomplete block read"},
  {0x11,0x09,T,"No gap found"},
  {0x11,0x0A,D|T|O|B|K,"Miscorrected error"},
  {0x11,0x0B,D|W|O|B|K,"Unrecovered read error - recommend reassignment"},
  {0x11,0x0C,D|W|O|B|K,"Unrecovered read error - recommend rewrite the data"},
  {0x11,0x0D,D|T|W|R|O|B,"De-compression CRC error"},
  {0x11,0x0E,D|T|W|R|O|B,"Cannot decompress using declared algorithm"},
  {0x11,0x0F,R,"Error reading UPC/EAN number"},
  {0x11,0x10,R,"Error reading ISRC number"},
  {0x11,0x11,R,"Read error - loss of streaming"},
  {0x12,0x00,D|W|O|B|K,"Address mark not found for id field"},
  {0x13,0x00,D|W|O|B|K,"Address mark not found for data field"},
  {0x14,0x00,D|T|L|W|R|S|O|B|K,"Recorded entity not found"},
  {0x14,0x01,D|T|W|R|O|B|K,"Record not found"},
  {0x14,0x02,T,"Filemark or setmark not found"},
  {0x14,0x03,T,"End-of-data not found"},
  {0x14,0x04,T,"Block sequence error"},
  {0x14,0x05,D|T|W|O|B|K,"Record not found - recommend reassignment"},
  {0x14,0x06,D|T|W|O|B|K,"Record not found - data auto-reallocated"},
  {0x15,0x00,D|T|L|W|R|S|O|M|B|K,"Random positioning error"},
  {0x15,0x01,D|T|L|W|R|S|O|M|B|K,"Mechanical positioning error"},
  {0x15,0x02,D|T|W|R|O|B|K,"Positioning error detected by read of medium"},
  {0x16,0x00,D|W|O|B|K,"Data synchronization mark error"},
  {0x16,0x01,D|W|O|B|K,"Data sync error - data rewritten"},
  {0x16,0x02,D|W|O|B|K,"Data sync error - recommend rewrite"},
  {0x16,0x03,D|W|O|B|K,"Data sync error - data auto-reallocated"},
  {0x16,0x04,D|W|O|B|K,"Data sync error - recommend reassignment"},
  {0x17,0x00,D|T|W|R|S|O|B|K,"Recovered data with no error correction applied"},
  {0x17,0x01,D|T|W|R|S|O|B|K,"Recovered data with retries"},
  {0x17,0x02,D|T|W|R|O|B|K,"Recovered data with positive head offset"},
  {0x17,0x03,D|T|W|R|O|B|K,"Recovered data with negative head offset"},
  {0x17,0x04,W|R|O|B,"Recovered data with retries and/or circ applied"},
  {0x17,0x05,D|W|R|O|B|K,"Recovered data using previous sector id"},
  {0x17,0x06,D|W|O|B|K,"Recovered data without ecc - data auto-reallocated"},
  {0x17,0x07,D|W|R|O|B|K,"Recovered data without ecc - recommend reassignment"},
  {0x17,0x08,D|W|R|O|B|K,"Recovered data without ecc - recommend rewrite"},
  {0x17,0x09,D|W|R|O|B|K,"Recovered data without ecc - data rewritten"},
  {0x18,0x00,D|T|W|R|O|B|K,"Recovered data with error correction applied"},
  {0x18,0x01,D|W|R|O|B|K,"Recovered data with error corr. & retries applied"},
  {0x18,0x02,D|W|R|O|B|K,"Recovered data - data auto-reallocated"},
  {0x18,0x03,R,"Recovered data with CIRC"},
  {0x18,0x04,R,"Recovered data with L-EC"},
  {0x18,0x05,D|W|R|O|B|K,"Recovered data - recommend reassignment"},
  {0x18,0x06,D|W|R|O|B|K,"Recovered data - recommend rewrite"},
  {0x18,0x07,D|W|O|B|K,"Recovered data with ecc - data rewritten"},
  {0x19,0x00,D|O|K,"Defect list error"},
  {0x19,0x01,D|O|K,"Defect list not available"},
  {0x19,0x02,D|O|K,"Defect list error in primary list"},
  {0x19,0x03,D|O|K,"Defect list error in grown list"},
  {0x1A,0x00,D|T|L|P|W|R|S|O|M|C|A|E|B|K,"Parameter list length error"},
  {0x1B,0x00,D|T|L|P|W|R|S|O|M|C|A|E|B|K,"Synchronous data transfer error"},
  {0x1C,0x00,D|O|B|K,"Defect list not found"},
  {0x1C,0x01,D|O|B|K,"Primary defect list not found"},
  {0x1C,0x02,D|O|B|K,"Grown defect list not found"},
  {0x1D,0x00,D|T|W|R|O|B|K,"Miscompare during verify operation"},
  {0x1E,0x00,D|W|O|B|K,"Recovered id with ecc correction"},
  {0x1F,0x00,D|O|K,"Partial defect list transfer"},
  {0x20,0x00,D|T|L|P|W|R|S|O|M|C|A|E|B|K,"Invalid command operation code"},
  {0x21,0x00,D|T|W|R|O|M|B|K,"Logical block address out of range"},
  {0x21,0x01,D|T|W|R|O|M|B|K,"Invalid element address"},
  {0x22,0x00,D,"Illegal function (use 20 00,24 00,or 26 00)"},
  {0x24,0x00,D|T|L|P|W|R|S|O|M|C|A|E|B|K,"Invalid field in cdb"},
  {0x24,0x01,D|T|L|P|W|R|S|O|M|C|A|E|B|K,"CDB decryption error"},
  {0x25,0x00,D|T|L|P|W|R|S|O|M|C|A|E|B|K,"Logical unit not supported"},
  {0x26,0x00,D|T|L|P|W|R|S|O|M|C|A|E|B|K,"Invalid field in parameter list"},
  {0x26,0x01,D|T|L|P|W|R|S|O|M|C|A|E|B|K,"Parameter not supported"},
  {0x26,0x02,D|T|L|P|W|R|S|O|M|C|A|E|B|K,"Parameter value invalid"},
  {0x26,0x03,D|T|L|P|W|R|S|O|M|C|A|E|K,"Threshold parameters not supported"},
  {0x26,0x04,D|T|L|P|W|R|S|O|M|C|A|E|B|K,"Invalid release of persistent reservation"},
  {0x26,0x05,D|T|L|P|W|R|S|O|M|C|A|B|K,"Data decryption error"},
  {0x26,0x06,D|T|L|P|W|R|S|O|C|K,"Too many target descriptors"},
  {0x26,0x07,D|T|L|P|W|R|S|O|C|K,"Unsupported target descriptor type code"},
  {0x26,0x08,D|T|L|P|W|R|S|O|C|K,"Too many segment descriptors"},
  {0x26,0x09,D|T|L|P|W|R|S|O|C|K,"Unsupported segment descriptor type code"},
  {0x26,0x0A,D|T|L|P|W|R|S|O|C|K,"Unexpected inexact segment"},
  {0x26,0x0B,D|T|L|P|W|R|S|O|C|K,"Inline data length exceeded"},
  {0x26,0x0C,D|T|L|P|W|R|S|O|C|K,"Invalid operation for copy source or destination"},
  {0x26,0x0D,D|T|L|P|W|R|S|O|C|K,"Copy segment granularity violation"},
  {0x27,0x00,D|T|W|R|O|B|K,"Write protected"},
  {0x27,0x01,D|T|W|R|O|B|K,"Hardware write protected"},
  {0x27,0x02,D|T|W|R|O|B|K,"Logical unit software write protected"},
  {0x27,0x03,T|R,"Associated write protect"},
  {0x27,0x04,T|R,"Persistent write protect"},
  {0x27,0x05,T|R,"Permanent write protect"},
  {0x28,0x00,D|T|L|P|W|R|S|O|M|C|A|E|B|K,"Not ready to ready change,medium may have changed"},
  {0x28,0x01,D|T|W|R|O|M|B,"Import or export element accessed"},
  {0x29,0x00,D|T|L|P|W|R|S|O|M|C|A|E|B|K,"Power on,reset,or bus device reset occurred"},
  {0x29,0x01,D|T|L|P|W|R|S|O|M|C|A|E|B|K,"Power on occurred"},
  {0x29,0x02,D|T|L|P|W|R|S|O|M|C|A|E|B|K,"Scsi bus reset occurred"},
  {0x29,0x03,D|T|L|P|W|R|S|O|M|C|A|E|B|K,"Bus device reset function occurred"},
  {0x29,0x04,D|T|L|P|W|R|S|O|M|C|A|E|B|K,"Device internal reset"},
  {0x29,0x05,D|T|L|P|W|R|S|O|M|C|A|E|B|K,"Transceiver mode changed to single-ended"},
  {0x29,0x06,D|T|L|P|W|R|S|O|M|C|A|E|B|K,"Transceiver mode changed to lvd"},
  {0x2A,0x00,D|T|L|W|R|S|O|M|C|A|E|B|K,"Parameters changed"},
  {0x2A,0x01,D|T|L|W|R|S|O|M|C|A|E|B|K,"Mode parameters changed"},
  {0x2A,0x02,D|T|L|W|R|S|O|M|C|A|E|K,"Log parameters changed"},
  {0x2A,0x03,D|T|L|P|W|R|S|O|M|C|A|E|K,"Reservations preempted"},
  {0x2A,0x04,D|T|L|P|W|R|S|O|M|C|A|E,"Reservations released"},
  {0x2A,0x05,D|T|L|P|W|R|S|O|M|C|A|E,"Registrations preempted"},
  {0x2B,0x00,D|T|L|P|W|R|S|O|C|K,"Copy cannot execute since host cannot disconnect"},
  {0x2C,0x00,D|T|L|P|W|R|S|O|M|C|A|E|B|K,"Command sequence error"},
  {0x2C,0x01,S,"Too many windows specified"},
  {0x2C,0x02,S,"Invalid combination of windows specified"},
  {0x2C,0x03,R,"Current program area is not empty"},
  {0x2C,0x04,R,"Current program area is empty"},
  {0x2C,0x05,B,"Illegal power condition request"},
  {0x2D,0x00,T,"Overwrite error on update in place"},
  {0x2F,0x00,D|T|L|P|W|R|S|O|M|C|A|E|B|K,"Commands cleared by another initiator"},
  {0x30,0x00,D|T|W|R|O|M|B|K,"Incompatible medium installed"},
  {0x30,0x01,D|T|W|R|O|B|K,"Cannot read medium - unknown format"},
  {0x30,0x02,D|T|W|R|O|B|K,"Cannot read medium - incompatible format"},
  {0x30,0x03,D|T|R|K,"Cleaning cartridge installed"},
  {0x30,0x04,D|T|W|R|O|B|K,"Cannot write medium - unknown format"},
  {0x30,0x05,D|T|W|R|O|B|K,"Cannot write medium - incompatible format"},
  {0x30,0x06,D|T|W|R|O|B,"Cannot format medium - incompatible medium"},
  {0x30,0x07,D|T|L|W|R|S|O|M|A|E|B|K,"Cleaning failure"},
  {0x30,0x08,R,"Cannot write - application code mismatch"},
  {0x30,0x09,R,"Current session not fixated for append"},
  {0x31,0x00,D|T|W|R|O|B|K,"Medium format corrupted"},
  {0x31,0x01,D|L|R|O|B,"Format command failed"},
  {0x32,0x00,D|W|O|B|K,"No defect spare location available"},
  {0x32,0x01,D|W|O|B|K,"Defect list update failure"},
  {0x33,0x00,T,"Tape length error"},
  {0x34,0x00,D|T|L|P|W|R|S|O|M|C|A|E|B|K,"Enclosure failure"},
  {0x35,0x00,D|T|L|P|W|R|S|O|M|C|A|E|B|K,"Enclosure services failure"},
  {0x35,0x01,D|T|L|P|W|R|S|O|M|C|A|E|B|K,"Unsupported enclosure function"},
  {0x35,0x02,D|T|L|P|W|R|S|O|M|C|A|E|B|K,"Enclosure services unavailable"},
  {0x35,0x03,D|T|L|P|W|R|S|O|M|C|A|E|B|K,"Enclosure services transfer failure"},
  {0x35,0x04,D|T|L|P|W|R|S|O|M|C|A|E|B|K,"Enclosure services transfer refused"},
  {0x36,0x00,L,"Ribbon,ink,or toner failure"},
  {0x37,0x00,D|T|L|W|R|S|O|M|C|A|E|B|K,"Rounded parameter"},
  {0x38,0x00,B,"Event status notification"},
  {0x38,0x02,B,"Esn - power management class event"},
  {0x38,0x04,B,"Esn - media class event"},
  {0x38,0x06,B,"Esn - device busy class event"},
  {0x39,0x00,D|T|L|W|R|S|O|M|C|A|E|K,"Saving parameters not supported"},
  {0x3A,0x00,D|T|L|W|R|S|O|M|B|K,"Medium not present"},
  {0x3A,0x01,D|T|W|R|O|M|B|K,"Medium not present - tray closed"},
  {0x3A,0x02,D|T|W|R|O|M|B|K,"Medium not present - tray open"},
  {0x3A,0x03,D|T|W|R|O|M|B,"Medium not present - loadable"},
  {0x3A,0x04,D|T|W|R|O|M|B,"Medium not present - medium auxiliary memory accessible"},
  {0x3B,0x00,T|L,"Sequential positioning error"},
  {0x3B,0x01,T,"Tape position error at beginning-of-medium"},
  {0x3B,0x02,T,"Tape position error at end-of-medium"},
  {0x3B,0x03,L,"Tape or electronic vertical forms unit not ready"},
  {0x3B,0x04,L,"Slew failure"},
  {0x3B,0x05,L,"Paper jam"},
  {0x3B,0x06,L,"Failed to sense top-of-form"},
  {0x3B,0x07,L,"Failed to sense bottom-of-form"},
  {0x3B,0x08,T,"Reposition error"},
  {0x3B,0x09,S,"Read past end of medium"},
  {0x3B,0x0A,S,"Read past beginning of medium"},
  {0x3B,0x0B,S,"Position past end of medium"},
  {0x3B,0x0C,T|S,"Position past beginning of medium"},
  {0x3B,0x0D,D|T|W|R|O|M|B|K,"Medium destination element full"},
  {0x3B,0x0E,D|T|W|R|O|M|B|K,"Medium source element empty"},
  {0x3B,0x0F,R,"End of medium reached"},
  {0x3B,0x11,D|T|W|R|O|M|B|K,"Medium magazine not accessible"},
  {0x3B,0x12,D|T|W|R|O|M|B|K,"Medium magazine removed"},
  {0x3B,0x13,D|T|W|R|O|M|B|K,"Medium magazine inserted"},
  {0x3B,0x14,D|T|W|R|O|M|B|K,"Medium magazine locked"},
  {0x3B,0x15,D|T|W|R|O|M|B|K,"Medium magazine unlocked"},
  {0x3B,0x16,R,"Mechanical positioning or changer error"},
  {0x3D,0x00,D|T|L|P|W|R|S|O|M|C|A|E|K,"Invalid bits in identify message"},
  {0x3E,0x00,D|T|L|P|W|R|S|O|M|C|A|E|B|K,"Logical unit has not self-configured yet"},
  {0x3E,0x01,D|T|L|P|W|R|S|O|M|C|A|E|B|K,"Logical unit failure"},
  {0x3E,0x02,D|T|L|P|W|R|S|O|M|C|A|E|B|K,"Timeout on logical unit"},
  {0x3E,0x03,D|T|L|P|W|R|S|O|M|C|A|E|B|K,"Logical unit failed self-test"},
  {0x3E,0x04,D|T|L|P|W|R|S|O|M|C|A|E|B|K,"Logical unit unable to update self-test log"},
  {0x3F,0x00,D|T|L|P|W|R|S|O|M|C|A|E|B|K,"Target operating conditions have changed"},
  {0x3F,0x01,D|T|L|P|W|R|S|O|M|C|A|E|B|K,"Microcode has been changed"},
  {0x3F,0x02,D|T|L|P|W|R|S|O|M|C|B|K,"Changed operating definition"},
  {0x3F,0x03,D|T|L|P|W|R|S|O|M|C|A|E|B|K,"Inquiry data has changed"},
  {0x3F,0x04,D|T|W|R|O|M|C|A|E|B|K,"Component device attached"},
  {0x3F,0x05,D|T|W|R|O|M|C|A|E|B|K,"Device identifier changed"},
  {0x3F,0x06,D|T|W|R|O|M|C|A|E|B,"Redundancy group created or modified"},
  {0x3F,0x07,D|T|W|R|O|M|C|A|E|B,"Redundancy group deleted"},
  {0x3F,0x08,D|T|W|R|O|M|C|A|E|B,"Spare created or modified"},
  {0x3F,0x09,D|T|W|R|O|M|C|A|E|B,"Spare deleted"},
  {0x3F,0x0A,D|T|W|R|O|M|C|A|E|B|K,"Volume set created or modified"},
  {0x3F,0x0B,D|T|W|R|O|M|C|A|E|B|K,"Volume set deleted"},
  {0x3F,0x0C,D|T|W|R|O|M|C|A|E|B|K,"Volume set deassigned"},
  {0x3F,0x0D,D|T|W|R|O|M|C|A|E|B|K,"Volume set reassigned"},
  {0x3F,0x0E,D|T|L|P|W|R|S|O|M|C|A|E,"Reported luns data has changed"},
  {0x3F,0x10,D|T|W|R|O|M|B,"Medium loadable"},
  {0x3F,0x11,D|T|W|R|O|M|B,"Medium auxiliary memory accessible"},
  {0x40,0x00,D,"Ram failure (should use 40 nn)"},
  /*
   * FIXME(eric) - need a way to represent wildcards here.
   */
  {0x40,0x00,D|T|L|P|W|R|S|O|M|C|A|E|B|K,"Diagnostic failure on component nn (80h-ffh)"},
  {0x41,0x00,D,"Data path failure (should use 40 nn)"},
  {0x42,0x00,D,"Power-on or self-test failure (should use 40 nn)"},
  {0x43,0x00,D|T|L|P|W|R|S|O|M|C|A|E|B|K,"Message error"},
  {0x44,0x00,D|T|L|P|W|R|S|O|M|C|A|E|B|K,"Internal target failure"},
  {0x45,0x00,D|T|L|P|W|R|S|O|M|C|A|E|B|K,"Select or reselect failure"},
  {0x46,0x00,D|T|L|P|W|R|S|O|M|C|B|K,"Unsuccessful soft reset"},
  {0x47,0x00,D|T|L|P|W|R|S|O|M|C|A|E|B|K,"Scsi parity error"},
  {0x47,0x01,D|T|L|P|W|R|S|O|M|C|A|E|B|K,"Data phase CRC error detected"},
  {0x47,0x02,D|T|L|P|W|R|S|O|M|C|A|E|B|K,"Scsi parity error detected during st data phase"},
  {0x47,0x03,D|T|L|P|W|R|S|O|M|C|A|E|B|K,"Information unit CRC error detected"},
  {0x47,0x04,D|T|L|P|W|R|S|O|M|C|A|E|B|K,"Asynchronous information protection error detected"},
  {0x48,0x00,D|T|L|P|W|R|S|O|M|C|A|E|B|K,"Initiator detected error message received"},
  {0x49,0x00,D|T|L|P|W|R|S|O|M|C|A|E|B|K,"Invalid message error"},
  {0x4A,0x00,D|T|L|P|W|R|S|O|M|C|A|E|B|K,"Command phase error"},
  {0x4B,0x00,D|T|L|P|W|R|S|O|M|C|A|E|B|K,"Data phase error"},
  {0x4C,0x00,D|T|L|P|W|R|S|O|M|C|A|E|B|K,"Logical unit failed self-configuration"},
  /*
   * FIXME(eric) - need a way to represent wildcards here.
   */
  {0x4D,0x00,D|T|L|P|W|R|S|O|M|C|A|E|B|K,"Tagged overlapped commands (nn = queue tag)"},
  {0x4E,0x00,D|T|L|P|W|R|S|O|M|C|A|E|B|K,"Overlapped commands attempted"},
  {0x50,0x00,T,"Write append error"},
  {0x50,0x01,T,"Write append position error"},
  {0x50,0x02,T,"Position error related to timing"},
  {0x51,0x00,T|R|O,"Erase failure"},
  {0x52,0x00,T,"Cartridge fault"},
  {0x53,0x00,D|T|L|W|R|S|O|M|B|K,"Media load or eject failed"},
  {0x53,0x01,T,"Unload tape failure"},
  {0x53,0x02,D|T|W|R|O|M|B|K,"Medium removal prevented"},
  {0x54,0x00,P,"Scsi to host system interface failure"},
  {0x55,0x00,P,"System resource failure"},
  {0x55,0x01,D|O|B|K,"System buffer full"},
  {0x55,0x02,D|T|L|P|W|R|S|O|M|A|E|K,"Insufficient reservation resources"},
  {0x55,0x03,D|T|L|P|W|R|S|O|M|C|A|E,"Insufficient resources"},
  {0x55,0x04,D|T|L|P|W|R|S|O|M|A|E,"Insufficient registration resources"},
  {0x57,0x00,R,"Unable to recover table-of-contents"},
  {0x58,0x00,O,"Generation does not exist"},
  {0x59,0x00,O,"Updated block read"},
  {0x5A,0x00,D|T|L|P|W|R|S|O|M|B|K,"Operator request or state change input"},
  {0x5A,0x01,D|T|W|R|O|M|B|K,"Operator medium removal request"},
  {0x5A,0x02,D|T|W|R|O|A|B|K,"Operator selected write protect"},
  {0x5A,0x03,D|T|W|R|O|A|B|K,"Operator selected write permit"},
  {0x5B,0x00,D|T|L|P|W|R|S|O|M|K,"Log exception"},
  {0x5B,0x01,D|T|L|P|W|R|S|O|M|K,"Threshold condition met"},
  {0x5B,0x02,D|T|L|P|W|R|S|O|M|K,"Log counter at maximum"},
  {0x5B,0x03,D|T|L|P|W|R|S|O|M|K,"Log list codes exhausted"},
  {0x5C,0x00,D|O,"Rpl status change"},
  {0x5C,0x01,D|O,"Spindles synchronized"},
  {0x5C,0x02,D|O,"Spindles not synchronized"},
  {0x5D,0x00,D|T|L|P|W|R|S|O|M|C|A|E|B|K,"Failure prediction threshold exceeded"},
  {0x5D,0x01,R|B,"Media failure prediction threshold exceeded"},
  {0x5D,0x02,R,"Logical unit failure prediction threshold exceeded"},
  {0x5D,0x10,D|B,"Hardware impending failure general hard drive failure"},
  {0x5D,0x11,D|B,"Hardware impending failure drive error rate too high"},
  {0x5D,0x12,D|B,"Hardware impending failure data error rate too high"},
  {0x5D,0x13,D|B,"Hardware impending failure seek error rate too high"},
  {0x5D,0x14,D|B,"Hardware impending failure too many block reassigns"},
  {0x5D,0x15,D|B,"Hardware impending failure access times too high"},
  {0x5D,0x16,D|B,"Hardware impending failure start unit times too high"},
  {0x5D,0x17,D|B,"Hardware impending failure channel parametrics"},
  {0x5D,0x18,D|B,"Hardware impending failure controller detected"},
  {0x5D,0x19,D|B,"Hardware impending failure throughput performance"},
  {0x5D,0x1A,D|B,"Hardware impending failure seek time performance"},
  {0x5D,0x1B,D|B,"Hardware impending failure spin-up retry count"},
  {0x5D,0x1C,D|B,"Hardware impending failure drive calibration retry count"},
  {0x5D,0x20,D|B,"Controller impending failure general hard drive failure"},
  {0x5D,0x21,D|B,"Controller impending failure drive error rate too high"},
  {0x5D,0x22,D|B,"Controller impending failure data error rate too high"},
  {0x5D,0x23,D|B,"Controller impending failure seek error rate too high"},
  {0x5D,0x24,D|B,"Controller impending failure too many block reassigns"},
  {0x5D,0x25,D|B,"Controller impending failure access times too high"},
  {0x5D,0x26,D|B,"Controller impending failure start unit times too high"},
  {0x5D,0x27,D|B,"Controller impending failure channel parametrics"},
  {0x5D,0x28,D|B,"Controller impending failure controller detected"},
  {0x5D,0x29,D|B,"Controller impending failure throughput performance"},
  {0x5D,0x2A,D|B,"Controller impending failure seek time performance"},
  {0x5D,0x2B,D|B,"Controller impending failure spin-up retry count"},
  {0x5D,0x2C,D|B,"Controller impending failure drive calibration retry count"},
  {0x5D,0x30,D|B,"Data channel impending failure general hard drive failure"},
  {0x5D,0x31,D|B,"Data channel impending failure drive error rate too high"},
  {0x5D,0x32,D|B,"Data channel impending failure data error rate too high"},
  {0x5D,0x33,D|B,"Data channel impending failure seek error rate too high"},
  {0x5D,0x34,D|B,"Data channel impending failure too many block reassigns"},
  {0x5D,0x35,D|B,"Data channel impending failure access times too high"},
  {0x5D,0x36,D|B,"Data channel impending failure start unit times too high"},
  {0x5D,0x37,D|B,"Data channel impending failure channel parametrics"},
  {0x5D,0x38,D|B,"Data channel impending failure controller detected"},
  {0x5D,0x39,D|B,"Data channel impending failure throughput performance"},
  {0x5D,0x3A,D|B,"Data channel impending failure seek time performance"},
  {0x5D,0x3B,D|B,"Data channel impending failure spin-up retry count"},
  {0x5D,0x3C,D|B,"Data channel impending failure drive calibration retry count"},
  {0x5D,0x40,D|B,"Servo impending failure general hard drive failure"},
  {0x5D,0x41,D|B,"Servo impending failure drive error rate too high"},
  {0x5D,0x42,D|B,"Servo impending failure data error rate too high"},
  {0x5D,0x43,D|B,"Servo impending failure seek error rate too high"},
  {0x5D,0x44,D|B,"Servo impending failure too many block reassigns"},
  {0x5D,0x45,D|B,"Servo impending failure access times too high"},
  {0x5D,0x46,D|B,"Servo impending failure start unit times too high"},
  {0x5D,0x47,D|B,"Servo impending failure channel parametrics"},
  {0x5D,0x48,D|B,"Servo impending failure controller detected"},
  {0x5D,0x49,D|B,"Servo impending failure throughput performance"},
  {0x5D,0x4A,D|B,"Servo impending failure seek time performance"},
  {0x5D,0x4B,D|B,"Servo impending failure spin-up retry count"},
  {0x5D,0x4C,D|B,"Servo impending failure drive calibration retry count"},
  {0x5D,0x50,D|B,"Spindle impending failure general hard drive failure"},
  {0x5D,0x51,D|B,"Spindle impending failure drive error rate too high"},
  {0x5D,0x52,D|B,"Spindle impending failure data error rate too high"},
  {0x5D,0x53,D|B,"Spindle impending failure seek error rate too high"},
  {0x5D,0x54,D|B,"Spindle impending failure too many block reassigns"},
  {0x5D,0x55,D|B,"Spindle impending failure access times too high"},
  {0x5D,0x56,D|B,"Spindle impending failure start unit times too high"},
  {0x5D,0x57,D|B,"Spindle impending failure channel parametrics"},
  {0x5D,0x58,D|B,"Spindle impending failure controller detected"},
  {0x5D,0x59,D|B,"Spindle impending failure throughput performance"},
  {0x5D,0x5A,D|B,"Spindle impending failure seek time performance"},
  {0x5D,0x5B,D|B,"Spindle impending failure spin-up retry count"},
  {0x5D,0x5C,D|B,"Spindle impending failure drive calibration retry count"},
  {0x5D,0x60,D|B,"Firmware impending failure general hard drive failure"},
  {0x5D,0x61,D|B,"Firmware impending failure drive error rate too high"},
  {0x5D,0x62,D|B,"Firmware impending failure data error rate too high"},
  {0x5D,0x63,D|B,"Firmware impending failure seek error rate too high"},
  {0x5D,0x64,D|B,"Firmware impending failure too many block reassigns"},
  {0x5D,0x65,D|B,"Firmware impending failure access times too high"},
  {0x5D,0x66,D|B,"Firmware impending failure start unit times too high"},
  {0x5D,0x67,D|B,"Firmware impending failure channel parametrics"},
  {0x5D,0x68,D|B,"Firmware impending failure controller detected"},
  {0x5D,0x69,D|B,"Firmware impending failure throughput performance"},
  {0x5D,0x6A,D|B,"Firmware impending failure seek time performance"},
  {0x5D,0x6B,D|B,"Firmware impending failure spin-up retry count"},
  {0x5D,0x6C,D|B,"Firmware impending failure drive calibration retry count"},
  {0x5D,0xFF,D|T|L|P|W|R|S|O|M|C|A|E|B|K,"Failure prediction threshold exceeded (false)"},
  {0x5E,0x00,D|T|L|P|W|R|S|O|C|A|K,"Low power condition on"},
  {0x5E,0x01,D|T|L|P|W|R|S|O|C|A|K,"Idle condition activated by timer"},
  {0x5E,0x02,D|T|L|P|W|R|S|O|C|A|K,"Standby condition activated by timer"},
  {0x5E,0x03,D|T|L|P|W|R|S|O|C|A|K,"Idle condition activated by command"},
  {0x5E,0x04,D|T|L|P|W|R|S|O|C|A|K,"Standby condition activated by command"},
  {0x5E,0x41,B,"Power state change to active"},
  {0x5E,0x42,B,"Power state change to idle"},
  {0x5E,0x43,B,"Power state change to standby"},
  {0x5E,0x45,B,"Power state change to sleep"},
  {0x5E,0x47,B|K,"Power state change to device control"},
  {0x60,0x00,S,"Lamp failure"},
  {0x61,0x00,S,"Video acquisition error"},
  {0x61,0x01,S,"Unable to acquire video"},
  {0x61,0x02,S,"Out of focus"},
  {0x62,0x00,S,"Scan head positioning error"},
  {0x63,0x00,R,"End of user area encountered on this track"},
  {0x63,0x01,R,"Packet does not fit in available space"},
  {0x64,0x00,R,"Illegal mode for this track"},
  {0x64,0x01,R,"Invalid packet size"},
  {0x65,0x00,D|T|L|P|W|R|S|O|M|C|A|E|B|K,"Voltage fault"},
  {0x66,0x00,S,"Automatic document feeder cover up"},
  {0x66,0x01,S,"Automatic document feeder lift up"},
  {0x66,0x02,S,"Document jam in automatic document feeder"},
  {0x66,0x03,S,"Document miss feed automatic in document feeder"},
  {0x67,0x00,A,"Configuration failure"},
  {0x67,0x01,A,"Configuration of incapable logical units failed"},
  {0x67,0x02,A,"Add logical unit failed"},
  {0x67,0x03,A,"Modification of logical unit failed"},
  {0x67,0x04,A,"Exchange of logical unit failed"},
  {0x67,0x05,A,"Remove of logical unit failed"},
  {0x67,0x06,A,"Attachment of logical unit failed"},
  {0x67,0x07,A,"Creation of logical unit failed"},
  {0x67,0x08,A,"Assign failure occurred"},
  {0x67,0x09,A,"Multiply assigned logical unit"},
  {0x68,0x00,A,"Logical unit not configured"},
  {0x69,0x00,A,"Data loss on logical unit"},
  {0x69,0x01,A,"Multiple logical unit failures"},
  {0x69,0x02,A,"Parity/data mismatch"},
  {0x6A,0x00,A,"Informational,refer to log"},
  {0x6B,0x00,A,"State change has occurred"},
  {0x6B,0x01,A,"Redundancy level got better"},
  {0x6B,0x02,A,"Redundancy level got worse"},
  {0x6C,0x00,A,"Rebuild failure occurred"},
  {0x6D,0x00,A,"Recalculate failure occurred"},
  {0x6E,0x00,A,"Command to logical unit failed"},
  {0x6F,0x00,R,"Copy protection key exchange failure - authentication failure"},
  {0x6F,0x01,R,"Copy protection key exchange failure - key not present"},
  {0x6F,0x02,R,"Copy protection key exchange failure - key not established"},
  {0x6F,0x03,R,"Read of scrambled sector without authentication"},
  {0x6F,0x04,R,"Media region code is mismatched to logical unit region"},
  {0x6F,0x05,R,"Drive region must be permanent/region reset count error"},
  /*
   * FIXME(eric) - need a way to represent wildcards here.
   */
  {0x70,0x00,T,"Decompression exception short algorithm id of nn"},
  {0x71,0x00,T,"Decompression exception long algorithm id"},
  {0x72,0x00,R,"Session fixation error"},
  {0x72,0x01,R,"Session fixation error writing lead-in"},
  {0x72,0x02,R,"Session fixation error writing lead-out"},
  {0x72,0x03,R,"Session fixation error - incomplete track in session"},
  {0x72,0x04,R,"Empty or partially written reserved track"},
  {0x72,0x05,R,"No more track reservations allowed"},
  {0x73,0x00,R,"Cd control error"},
  {0x73,0x01,R,"Power calibration area almost full"},
  {0x73,0x02,R,"Power calibration area is full"},
  {0x73,0x03,R,"Power calibration area error"},
  {0x73,0x04,R,"Program memory area update failure"},
  {0x73,0x05,R,"Program memory area is full"},
  {0x73,0x06,R,"RMA/PMA is full"},


  /*
   * Faked errors by software L-EC
   */
  {0xff,0x00,R,"No data returned"},
  {0xff,0x01,R,"EDC failure in RAW sector"},
  {0xff,0x02,R,"Wrong MSF in RAW sector"},
  {0xff,0x03,R,"RAW reading > 16 sectors at once not supported"},
  {0xff,0x04,R,"RAW buffer not allocated"},
  {0xff,0x05,R,"Invalid zero sector"},
  {0xff,0x06,R,"Sector accumulated for analysis"},
  {0xff,0x07,R,"Recovery failed"},
  {0xff,0x08,R,"Invalid sector; possibly random data returned"},

  /*
   * Errors created by the SCSI layer simulation code
   */

  {0xff, 0xe0,R,"mode not supported by SCSI simulation"},

  /*
   * Faked error by defect simulation mode
   */
  {0xff,0xfe,R,"sg driver ioctl() failed"},
  {0xff,0xff,R,"[dvdisaster: Simulated medium defect]"},

  {0, 0, 0, NULL}
};

/***
 *** Okay, and here is our wrapper.
 ***/

/*
 * Remember the most recent sense error.
 * Sense error printing is optional, so they are not
 * automatically printed by the low-level functions.
 */

static int sense_key, asc, ascq;

void RememberSense(int k, int a, int aq)
{  sense_key = k;
   asc       = a;
   ascq      = aq;
}

/*
 * Get static string describing the sense error.
 */

char *GetSenseString(int sense_key, int asc, int ascq, int verbose)
{  static char text[256];
   struct error_info *ei;
   int raw_reader_error;
   const char *sns_text;
   char sep;
   int idx,len;

   /* Special treatment for our fake SCSI errors */

   raw_reader_error = (asc == 255) && (ascq < 255);
   if(!raw_reader_error) 
   {  sep = ';';
      sns_text = snstext[sense_key];
   }
   else
   {  sep = ':';
      sns_text = "Raw Reader";
   }

   /* Go print them */

   if(sense_key <0 || sense_key > 15) 
        g_snprintf(text, 255, _("Sense error (0x%02x); "),sense_key);
   else 
   {   if(verbose) g_snprintf(text, 255, _("Sense error: %s%c "),sns_text, sep);
       else        g_snprintf(text, 255, "%s%c ",sns_text, sep);
   }

   idx = strlen(text); 
   len = 255-idx;

   for(ei = additional; ei->text; ei++)
     if(ei->code1 == asc && ei->code2 == ascq)
     {  g_snprintf(text+idx, len, "%s.",ei->text);
        break;
     }

   if(!ei->text)
     g_snprintf(text+idx, len, _("unknown asc/ascq code (0x%02x, 0x%02x)."),asc,ascq);

   return text;
}


/*
 * Get static string describing the last sense error.
 */

char* GetLastSenseString(int verbose)
{  return GetSenseString(sense_key, asc, ascq, verbose);
}

void GetLastSense(int *key_out, int *asc_out, int *ascq_out)
{  *key_out  = sense_key;
   *asc_out  = asc;
   *ascq_out = ascq;
}