Imported Upstream version 1.3.11
[debian/mtx] / sg_err.c
diff --git a/sg_err.c b/sg_err.c
new file mode 100644 (file)
index 0000000..2c98c31
--- /dev/null
+++ b/sg_err.c
@@ -0,0 +1,644 @@
+
+/* This file is a huge cut, paste and hack from linux/drivers/scsi/constant.c
+*  which I guess was written by:
+*         Copyright (C) 1993, 1994, 1995 Eric Youngdale
+
+* The rest of this is:
+*  Copyright (C) 1999 - 2001 D. Gilbert
+*
+*  This program 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 2, or (at your option)
+*  any later version.
+*
+*  ASCII values for a number of symbolic constants, printing functions, etc.
+*
+*  Some of the tables have been updated for SCSI 2.
+*
+*  Version 0.84 (20010115)
+*      Change output from stdout to stderr
+*/
+
+#define OUTP stderr
+
+static const unsigned char scsi_command_size[8] = { 6, 10, 10, 12,
+                                                   12, 12, 10, 10 };
+
+#define COMMAND_SIZE(opcode) scsi_command_size[((opcode) >> 5) & 7]
+
+static const char unknown[] = "UNKNOWN";
+
+static const char * group_0_commands[] = {
+/* 00-03 */ "Test Unit Ready", "Rezero Unit", unknown, "Request Sense",
+/* 04-07 */ "Format Unit", "Read Block Limits", unknown, "Reasssign Blocks",
+/* 08-0d */ "Read (6)", unknown, "Write (6)", "Seek (6)", unknown, unknown,
+/* 0e-12 */ unknown, "Read Reverse", "Write Filemarks", "Space", "Inquiry",
+/* 13-16 */ "Verify", "Recover Buffered Data", "Mode Select", "Reserve",
+/* 17-1b */ "Release", "Copy", "Erase", "Mode Sense", "Start/Stop Unit",
+/* 1c-1d */ "Receive Diagnostic", "Send Diagnostic",
+/* 1e-1f */ "Prevent/Allow Medium Removal", unknown,
+};
+
+
+static const char *group_1_commands[] = {
+/* 20-22 */  unknown, unknown, unknown,
+/* 23-28 */ unknown, "Define window parameters", "Read Capacity",
+            unknown, unknown, "Read (10)",
+/* 29-2d */ "Read Generation", "Write (10)", "Seek (10)", "Erase",
+            "Read updated block",
+/* 2e-31 */ "Write Verify","Verify", "Search High", "Search Equal",
+/* 32-34 */ "Search Low", "Set Limits", "Prefetch or Read Position",
+/* 35-37 */ "Synchronize Cache","Lock/Unlock Cache", "Read Defect Data",
+/* 38-3c */ "Medium Scan", "Compare", "Copy Verify", "Write Buffer",
+            "Read Buffer",
+/* 3d-3f */ "Update Block", "Read Long",  "Write Long",
+};
+
+static const char *group_2_commands[] = {
+/* 40-41 */ "Change Definition", "Write Same",
+/* 42-48 */ "Read sub-channel", "Read TOC", "Read header",
+            "Play audio (10)", unknown, "Play audio msf",
+            "Play audio track/index",
+/* 49-4f */ "Play track relative (10)", unknown, "Pause/resume",
+            "Log Select", "Log Sense", unknown, unknown,
+/* 50-55 */ unknown, unknown, unknown, unknown, unknown, "Mode Select (10)",
+/* 56-5b */ unknown, unknown, unknown, unknown, "Mode Sense (10)", unknown,
+/* 5c-5f */ unknown, unknown, unknown,
+};
+
+
+/* The following are 12 byte commands in group 5 */
+static const char *group_5_commands[] = {
+/* a0-a5 */ unknown, unknown, unknown, unknown, unknown,
+            "Move medium/play audio(12)",
+/* a6-a9 */ "Exchange medium", unknown, "Read(12)", "Play track relative(12)",
+/* aa-ae */ "Write(12)", unknown, "Erase(12)", unknown,
+            "Write and verify(12)",
+/* af-b1 */ "Verify(12)", "Search data high(12)", "Search data equal(12)",
+/* b2-b4 */ "Search data low(12)", "Set limits(12)", unknown,
+/* b5-b6 */ "Request volume element address", "Send volume tag",
+/* b7-b9 */ "Read defect data(12)", "Read element status", unknown,
+/* ba-bf */ unknown, unknown, unknown, unknown, unknown, unknown,
+};
+
+
+
+
+#define group(opcode) (((opcode) >> 5) & 7)
+
+#define RESERVED_GROUP  0
+#define VENDOR_GROUP    1
+
+static const char **commands[] = {
+    group_0_commands, group_1_commands, group_2_commands,
+    (const char **) RESERVED_GROUP, (const char **) RESERVED_GROUP,
+    group_5_commands, (const char **) VENDOR_GROUP,
+    (const char **) VENDOR_GROUP
+};
+
+static const char reserved[] = "RESERVED";
+static const char vendor[] = "VENDOR SPECIFIC";
+
+static void print_opcode(int opcode) {
+    const char **table = commands[ group(opcode) ];
+    switch ((unsigned long) table) {
+    case RESERVED_GROUP:
+        fprintf(OUTP, "%s(0x%02x) ", reserved, opcode);
+        break;
+    case VENDOR_GROUP:
+        fprintf(OUTP, "%s(0x%02x) ", vendor, opcode);
+        break;
+    default:
+        if (table[opcode & 0x1f] != unknown)
+            fprintf(OUTP, "%s ",table[opcode & 0x1f]);
+        else
+            fprintf(OUTP, "%s(0x%02x) ", unknown, opcode);
+        break;
+    }
+}
+
+void sg_print_command (const unsigned char * command) {
+    int i,s;
+    print_opcode(command[0]);
+    for ( i = 1, s = COMMAND_SIZE(command[0]); i < s; ++i)
+        fprintf(OUTP, "%02x ", command[i]);
+    fprintf(OUTP, "\n");
+}
+
+static const char * statuses[] = {
+/* 0-4 */ "Good", "Check Condition", "Condition Met", unknown, "Busy",
+/* 5-9 */ unknown, unknown, unknown, "Intermediate", unknown,
+/* a-c */ "Intermediate-Condition Met", unknown, "Reservation Conflict",
+/* d-10 */ unknown, unknown, unknown, unknown,
+/* 11-14 */ "Command Terminated", unknown, unknown, "Queue Full",
+/* 15-1a */ unknown, unknown, unknown,  unknown, unknown, unknown,
+/* 1b-1f */ unknown, unknown, unknown,  unknown, unknown,
+};
+
+void sg_print_status (int masked_status) {
+    /* status = (status >> 1) & 0xf; */ /* already done */
+    fprintf(OUTP, "%s ",statuses[masked_status]);
+}
+
+#define D 0x001  /* DIRECT ACCESS DEVICE (disk) */
+#define T 0x002  /* SEQUENTIAL ACCESS DEVICE (tape) */
+#define L 0x004  /* PRINTER DEVICE */
+#define P 0x008  /* PROCESSOR DEVICE */
+#define W 0x010  /* WRITE ONCE READ MULTIPLE DEVICE */
+#define R 0x020  /* READ ONLY (CD-ROM) DEVICE */
+#define S 0x040  /* SCANNER DEVICE */
+#define O 0x080  /* OPTICAL MEMORY DEVICE */
+#define M 0x100  /* MEDIA CHANGER DEVICE */
+#define C 0x200  /* COMMUNICATION DEVICE */
+
+struct error_info{
+    unsigned char code1, code2;
+    unsigned short int devices;
+    const char * text;
+};
+
+struct error_info2{
+    unsigned char code1, code2_min, code2_max;
+    unsigned short int devices;
+    const char * text;
+};
+
+static struct error_info2 additional2[] =
+{
+  {0x40,0x00,0x7f,D,"Ram failure (%x)"},
+  {0x40,0x80,0xff,D|T|L|P|W|R|S|O|M|C,"Diagnostic failure on component (%x)"},
+  {0x41,0x00,0xff,D,"Data path failure (%x)"},
+  {0x42,0x00,0xff,D,"Power-on or self-test failure (%x)"},
+  {0, 0, 0, 0, NULL}
+};
+
+static struct error_info additional[] =
+{
+  {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|S,"End-of-data detected"},
+  {0x00,0x06,D|T|L|P|W|R|S|O|M|C,"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"},
+  {0x01,0x00,D|W|O,"No index/sector signal"},
+  {0x02,0x00,D|W|R|O|M,"No seek complete"},
+  {0x03,0x00,D|T|L|W|S|O,"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,
+     "Logical unit not ready, cause not reportable"},
+  {0x04,0x01,D|T|L|P|W|R|S|O|M|C,
+     "Logical unit is in process of becoming ready"},
+  {0x04,0x02,D|T|L|P|W|R|S|O|M|C,
+     "Logical unit not ready, initializing command required"},
+  {0x04,0x03,D|T|L|P|W|R|S|O|M|C,
+     "Logical unit not ready, manual intervention required"},
+  {0x04,0x04,D|T|L|O,"Logical unit not ready, format in progress"},
+  {0x05,0x00,D|T|L|W|R|S|O|M|C,"Logical unit does not respond to selection"},
+  {0x06,0x00,D|W|R|O|M,"No reference position found"},
+  {0x07,0x00,D|T|L|W|R|S|O|M,"Multiple peripheral devices selected"},
+  {0x08,0x00,D|T|L|W|R|S|O|M|C,"Logical unit communication failure"},
+  {0x08,0x01,D|T|L|W|R|S|O|M|C,"Logical unit communication time-out"},
+  {0x08,0x02,D|T|L|W|R|S|O|M|C,"Logical unit communication parity error"},
+  {0x09,0x00,D|T|W|R|O,"Track following error"},
+  {0x09,0x01,W|R|O,"Tracking servo failure"},
+  {0x09,0x02,W|R|O,"Focus servo failure"},
+  {0x09,0x03,W|R|O,"Spindle servo failure"},
+  {0x0A,0x00,D|T|L|P|W|R|S|O|M|C,"Error log overflow"},
+  {0x0C,0x00,T|S,"Write error"},
+  {0x0C,0x01,D|W|O,"Write error recovered with auto reallocation"},
+  {0x0C,0x02,D|W|O,"Write error - auto reallocation failed"},
+  {0x10,0x00,D|W|O,"Id crc or ecc error"},
+  {0x11,0x00,D|T|W|R|S|O,"Unrecovered read error"},
+  {0x11,0x01,D|T|W|S|O,"Read retries exhausted"},
+  {0x11,0x02,D|T|W|S|O,"Error too long to correct"},
+  {0x11,0x03,D|T|W|S|O,"Multiple read errors"},
+  {0x11,0x04,D|W|O,"Unrecovered read error - auto reallocate failed"},
+  {0x11,0x05,W|R|O,"L-ec uncorrectable error"},
+  {0x11,0x06,W|R|O,"Circ unrecovered error"},
+  {0x11,0x07,W|O,"Data resynchronization error"},
+  {0x11,0x08,T,"Incomplete block read"},
+  {0x11,0x09,T,"No gap found"},
+  {0x11,0x0A,D|T|O,"Miscorrected error"},
+  {0x11,0x0B,D|W|O,"Unrecovered read error - recommend reassignment"},
+  {0x11,0x0C,D|W|O,"Unrecovered read error - recommend rewrite the data"},
+  {0x12,0x00,D|W|O,"Address mark not found for id field"},
+  {0x13,0x00,D|W|O,"Address mark not found for data field"},
+  {0x14,0x00,D|T|L|W|R|S|O,"Recorded entity not found"},
+  {0x14,0x01,D|T|W|R|O,"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"},
+  {0x15,0x00,D|T|L|W|R|S|O|M,"Random positioning error"},
+  {0x15,0x01,D|T|L|W|R|S|O|M,"Mechanical positioning error"},
+  {0x15,0x02,D|T|W|R|O,"Positioning error detected by read of medium"},
+  {0x16,0x00,D|W|O,"Data synchronization mark error"},
+  {0x17,0x00,D|T|W|R|S|O,"Recovered data with no error correction applied"},
+  {0x17,0x01,D|T|W|R|S|O,"Recovered data with retries"},
+  {0x17,0x02,D|T|W|R|O,"Recovered data with positive head offset"},
+  {0x17,0x03,D|T|W|R|O,"Recovered data with negative head offset"},
+  {0x17,0x04,W|R|O,"Recovered data with retries and/or circ applied"},
+  {0x17,0x05,D|W|R|O,"Recovered data using previous sector id"},
+  {0x17,0x06,D|W|O,"Recovered data without ecc - data auto-reallocated"},
+  {0x17,0x07,D|W|O,"Recovered data without ecc - recommend reassignment"},
+  {0x18,0x00,D|T|W|R|O,"Recovered data with error correction applied"},
+  {0x18,0x01,D|W|R|O,"Recovered data with error correction and retries applied"},
+  {0x18,0x02,D|W|R|O,"Recovered data - data auto-reallocated"},
+  {0x18,0x03,R,"Recovered data with circ"},
+  {0x18,0x04,R,"Recovered data with lec"},
+  {0x18,0x05,D|W|R|O,"Recovered data - recommend reassignment"},
+  {0x19,0x00,D|O,"Defect list error"},
+  {0x19,0x01,D|O,"Defect list not available"},
+  {0x19,0x02,D|O,"Defect list error in primary list"},
+  {0x19,0x03,D|O,"Defect list error in grown list"},
+  {0x1A,0x00,D|T|L|P|W|R|S|O|M|C,"Parameter list length error"},
+  {0x1B,0x00,D|T|L|P|W|R|S|O|M|C,"Synchronous data transfer error"},
+  {0x1C,0x00,D|O,"Defect list not found"},
+  {0x1C,0x01,D|O,"Primary defect list not found"},
+  {0x1C,0x02,D|O,"Grown defect list not found"},
+  {0x1D,0x00,D|W|O,"Miscompare during verify operation"},
+  {0x1E,0x00,D|W|O,"Recovered id with ecc correction"},
+  {0x20,0x00,D|T|L|P|W|R|S|O|M|C,"Invalid command operation code"},
+  {0x21,0x00,D|T|W|R|O|M,"Logical block address out of range"},
+  {0x21,0x01,M,"Invalid element address"},
+  {0x22,0x00,D,"Illegal function (should use 20 00, 24 00, or 26 00)"},
+  {0x24,0x00,D|T|L|P|W|R|S|O|M|C,"Invalid field in cdb"},
+  {0x25,0x00,D|T|L|P|W|R|S|O|M|C,"Logical unit not supported"},
+  {0x26,0x00,D|T|L|P|W|R|S|O|M|C,"Invalid field in parameter list"},
+  {0x26,0x01,D|T|L|P|W|R|S|O|M|C,"Parameter not supported"},
+  {0x26,0x02,D|T|L|P|W|R|S|O|M|C,"Parameter value invalid"},
+  {0x26,0x03,D|T|L|P|W|R|S|O|M|C,"Threshold parameters not supported"},
+  {0x27,0x00,D|T|W|O,"Write protected"},
+  {0x28,0x00,D|T|L|P|W|R|S|O|M|C,"Not ready to ready transition (medium may have changed)"},
+  {0x28,0x01,M,"Import or export element accessed"},
+  {0x29,0x00,D|T|L|P|W|R|S|O|M|C,"Power on, reset, or bus device reset occurred"},
+  {0x2A,0x00,D|T|L|W|R|S|O|M|C,"Parameters changed"},
+  {0x2A,0x01,D|T|L|W|R|S|O|M|C,"Mode parameters changed"},
+  {0x2A,0x02,D|T|L|W|R|S|O|M|C,"Log parameters changed"},
+  {0x2B,0x00,D|T|L|P|W|R|S|O|C,"Copy cannot execute since host cannot disconnect"},
+  {0x2C,0x00,D|T|L|P|W|R|S|O|M|C,"Command sequence error"},
+  {0x2C,0x01,S,"Too many windows specified"},
+  {0x2C,0x02,S,"Invalid combination of windows specified"},
+  {0x2D,0x00,T,"Overwrite error on update in place"},
+  {0x2F,0x00,D|T|L|P|W|R|S|O|M|C,"Commands cleared by another initiator"},
+  {0x30,0x00,D|T|W|R|O|M,"Incompatible medium installed"},
+  {0x30,0x01,D|T|W|R|O,"Cannot read medium - unknown format"},
+  {0x30,0x02,D|T|W|R|O,"Cannot read medium - incompatible format"},
+  {0x30,0x03,D|T,"Cleaning cartridge installed"},
+  {0x31,0x00,D|T|W|O,"Medium format corrupted"},
+  {0x31,0x01,D|L|O,"Format command failed"},
+  {0x32,0x00,D|W|O,"No defect spare location available"},
+  {0x32,0x01,D|W|O,"Defect list update failure"},
+  {0x33,0x00,T,"Tape length error"},
+  {0x36,0x00,L,"Ribbon, ink, or toner failure"},
+  {0x37,0x00,D|T|L|W|R|S|O|M|C,"Rounded parameter"},
+  {0x39,0x00,D|T|L|W|R|S|O|M|C,"Saving parameters not supported"},
+  {0x3A,0x00,D|T|L|W|R|S|O|M,"Medium not present"},
+  {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,S,"Position past beginning of medium"},
+  {0x3B,0x0D,M,"Medium destination element full"},
+  {0x3B,0x0E,M,"Medium source element empty"},
+  {0x3D,0x00,D|T|L|P|W|R|S|O|M|C,"Invalid bits in identify message"},
+  {0x3E,0x00,D|T|L|P|W|R|S|O|M|C,"Logical unit has not self-configured yet"},
+  {0x3F,0x00,D|T|L|P|W|R|S|O|M|C,"Target operating conditions have changed"},
+  {0x3F,0x01,D|T|L|P|W|R|S|O|M|C,"Microcode has been changed"},
+  {0x3F,0x02,D|T|L|P|W|R|S|O|M|C,"Changed operating definition"},
+  {0x3F,0x03,D|T|L|P|W|R|S|O|M|C,"Inquiry data has changed"},
+  {0x43,0x00,D|T|L|P|W|R|S|O|M|C,"Message error"},
+  {0x44,0x00,D|T|L|P|W|R|S|O|M|C,"Internal target failure"},
+  {0x45,0x00,D|T|L|P|W|R|S|O|M|C,"Select or reselect failure"},
+  {0x46,0x00,D|T|L|P|W|R|S|O|M|C,"Unsuccessful soft reset"},
+  {0x47,0x00,D|T|L|P|W|R|S|O|M|C,"Scsi parity error"},
+  {0x48,0x00,D|T|L|P|W|R|S|O|M|C,"Initiator detected error message received"},
+  {0x49,0x00,D|T|L|P|W|R|S|O|M|C,"Invalid message error"},
+  {0x4A,0x00,D|T|L|P|W|R|S|O|M|C,"Command phase error"},
+  {0x4B,0x00,D|T|L|P|W|R|S|O|M|C,"Data phase error"},
+  {0x4C,0x00,D|T|L|P|W|R|S|O|M|C,"Logical unit failed self-configuration"},
+  {0x4E,0x00,D|T|L|P|W|R|S|O|M|C,"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|O,"Erase failure"},
+  {0x52,0x00,T,"Cartridge fault"},
+  {0x53,0x00,D|T|L|W|R|S|O|M,"Media load or eject failed"},
+  {0x53,0x01,T,"Unload tape failure"},
+  {0x53,0x02,D|T|W|R|O|M,"Medium removal prevented"},
+  {0x54,0x00,P,"Scsi to host system interface failure"},
+  {0x55,0x00,P,"System resource failure"},
+  {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,"Operator request or state change input (unspecified)"},
+  {0x5A,0x01,D|T|W|R|O|M,"Operator medium removal request"},
+  {0x5A,0x02,D|T|W|O,"Operator selected write protect"},
+  {0x5A,0x03,D|T|W|O,"Operator selected write permit"},
+  {0x5B,0x00,D|T|L|P|W|R|S|O|M,"Log exception"},
+  {0x5B,0x01,D|T|L|P|W|R|S|O|M,"Threshold condition met"},
+  {0x5B,0x02,D|T|L|P|W|R|S|O|M,"Log counter at maximum"},
+  {0x5B,0x03,D|T|L|P|W|R|S|O|M,"Log list codes exhausted"},
+  {0x5C,0x00,D|O,"Rpl status change"},
+  {0x5C,0x01,D|O,"Spindles synchronized"},
+  {0x5C,0x02,D|O,"Spindles not synchronized"},
+  {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"},
+  {0x64,0x00,R,"Illegal mode for this track"},
+  {0, 0, 0, NULL}
+};
+
+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 */
+};
+
+/* Print sense information */
+void sg_print_sense(const char * leadin, const unsigned char * sense_buffer,
+                    int sb_len)
+{
+    int i, s;
+    int sense_class, valid, code;
+    const char * error = NULL;
+
+    sense_class = (sense_buffer[0] >> 4) & 0x07;
+    code = sense_buffer[0] & 0xf;
+    valid = sense_buffer[0] & 0x80;
+
+    if (sense_class == 7) {     /* extended sense data */
+        s = sense_buffer[7] + 8;
+        if(s > sb_len)
+           s = sb_len;
+
+        if (!valid)
+            fprintf(OUTP, "[valid=0] ");
+        fprintf(OUTP, "Info fld=0x%x, ", (int)((sense_buffer[3] << 24) |
+                (sense_buffer[4] << 16) | (sense_buffer[5] << 8) |
+                sense_buffer[6]));
+
+        if (sense_buffer[2] & 0x80)
+           fprintf(OUTP, "FMK ");     /* current command has read a filemark */
+        if (sense_buffer[2] & 0x40)
+           fprintf(OUTP, "EOM ");     /* end-of-medium condition exists */
+        if (sense_buffer[2] & 0x20)
+           fprintf(OUTP, "ILI ");     /* incorrect block length requested */
+
+        switch (code) {
+        case 0x0:
+            error = "Current";  /* error concerns current command */
+            break;
+        case 0x1:
+            error = "Deferred"; /* error concerns some earlier command */
+                /* e.g., an earlier write to disk cache succeeded, but
+                   now the disk discovers that it cannot write the data */
+            break;
+        default:
+            error = "Invalid";
+        }
+
+        fprintf(OUTP, "%s ", error);
+
+        if (leadin)
+            fprintf(OUTP, "%s: ", leadin);
+        fprintf(OUTP, "sense key: %s\n", snstext[sense_buffer[2] & 0x0f]);
+
+        /* Check to see if additional sense information is available */
+        if(sense_buffer[7] + 7 < 13 ||
+           (sense_buffer[12] == 0  && sense_buffer[13] ==  0)) goto done;
+
+        for(i=0; additional[i].text; i++)
+            if(additional[i].code1 == sense_buffer[12] &&
+               additional[i].code2 == sense_buffer[13])
+                fprintf(OUTP, "Additional sense indicates: %s\n",
+                        additional[i].text);
+
+        for(i=0; additional2[i].text; i++)
+            if(additional2[i].code1 == sense_buffer[12] &&
+               additional2[i].code2_min >= sense_buffer[13]  &&
+               additional2[i].code2_max <= sense_buffer[13]) {
+                fprintf(OUTP, "Additional sense indicates: ");
+                fprintf(OUTP, additional2[i].text, sense_buffer[13]);
+                fprintf(OUTP, "\n");
+            };
+    } else {    /* non-extended sense data */
+
+         /*
+          * Standard says:
+          *    sense_buffer[0] & 0200 : address valid
+          *    sense_buffer[0] & 0177 : vendor-specific error code
+          *    sense_buffer[1] & 0340 : vendor-specific
+          *    sense_buffer[1..3] : 21-bit logical block address
+          */
+
+        if (leadin)
+            fprintf(OUTP, "%s: ", leadin);
+        if (sense_buffer[0] < 15)
+            fprintf(OUTP, 
+                   "old sense: key %s\n", snstext[sense_buffer[0] & 0x0f]);
+        else
+            fprintf(OUTP, "sns = %2x %2x\n", sense_buffer[0], sense_buffer[2]);
+
+        fprintf(OUTP, "Non-extended sense class %d code 0x%0x ", 
+               sense_class, code);
+        s = 4;
+    }
+
+ done:
+    fprintf(OUTP, "Raw sense data (in hex):\n  ");
+    for (i = 0; i < s; ++i) {
+        if ((i > 0) && (0 == (i % 24)))
+            fprintf(OUTP, "\n  ");
+        fprintf(OUTP, "%02x ", sense_buffer[i]);
+    }
+    fprintf(OUTP, "\n");
+    return;
+}
+
+static const char * hostbyte_table[]={
+"DID_OK", "DID_NO_CONNECT", "DID_BUS_BUSY", "DID_TIME_OUT", "DID_BAD_TARGET",
+"DID_ABORT", "DID_PARITY", "DID_ERROR", "DID_RESET", "DID_BAD_INTR",
+"DID_PASSTHROUGH", "DID_SOFT_ERROR", NULL};
+
+void sg_print_host_status(int host_status)
+{   static int maxcode=0;
+    int i;
+
+    if(! maxcode) {
+        for(i = 0; hostbyte_table[i]; i++) ;
+        maxcode = i-1;
+    }
+    fprintf(OUTP, "Host_status=0x%02x", host_status);
+    if(host_status > maxcode) {
+        fprintf(OUTP, "is invalid ");
+        return;
+    }
+    fprintf(OUTP, "(%s) ",hostbyte_table[host_status]);
+}
+
+static const char * driverbyte_table[]={
+"DRIVER_OK", "DRIVER_BUSY", "DRIVER_SOFT",  "DRIVER_MEDIA", "DRIVER_ERROR",
+"DRIVER_INVALID", "DRIVER_TIMEOUT", "DRIVER_HARD", "DRIVER_SENSE", NULL};
+
+static const char * driversuggest_table[]={"SUGGEST_OK",
+"SUGGEST_RETRY", "SUGGEST_ABORT", "SUGGEST_REMAP", "SUGGEST_DIE",
+unknown,unknown,unknown, "SUGGEST_SENSE",NULL};
+
+
+void sg_print_driver_status(int driver_status)
+{
+    static int driver_max =0 , suggest_max=0;
+    int i;
+    int dr = driver_status & SG_ERR_DRIVER_MASK;
+    int su = (driver_status & SG_ERR_SUGGEST_MASK) >> 4;
+
+    if(! driver_max) {
+        for(i = 0; driverbyte_table[i]; i++) ;
+        driver_max = i;
+        for(i = 0; driversuggest_table[i]; i++) ;
+        suggest_max = i;
+    }
+    fprintf(OUTP, "Driver_status=0x%02x",driver_status);
+    fprintf(OUTP, " (%s,%s) ",
+            dr < driver_max  ? driverbyte_table[dr]:"invalid",
+            su < suggest_max ? driversuggest_table[su]:"invalid");
+}
+
+#ifdef SG_IO
+int sg_chk_n_print3(const char * leadin, struct sg_io_hdr * hp)
+{
+    return sg_chk_n_print(leadin, hp->masked_status, hp->host_status,
+                          hp->driver_status, hp->sbp, hp->sb_len_wr);
+}
+#endif
+
+int sg_chk_n_print(const char * leadin, int masked_status,
+                   int host_status, int driver_status,
+                   const unsigned char * sense_buffer, int sb_len)
+{
+    int done_leadin = 0;
+    int done_sense = 0;
+
+    if ((0 == masked_status) && (0 == host_status) &&
+        (0 == driver_status))
+        return 1;       /* No problems */
+    if (0 != masked_status) {
+        if (leadin)
+            fprintf(OUTP, "%s: ", leadin);
+        done_leadin = 1;
+        sg_print_status(masked_status);
+        fprintf(OUTP, "\n");
+        if (sense_buffer && ((masked_status == CHECK_CONDITION) ||
+                             (masked_status == COMMAND_TERMINATED))) {
+            sg_print_sense(0, sense_buffer, sb_len);
+            done_sense = 1;
+        }
+    }
+    if (0 != host_status) {
+        if (leadin && (! done_leadin))
+            fprintf(OUTP, "%s: ", leadin);
+        if (done_leadin)
+            fprintf(OUTP, "plus...: ");
+        else
+            done_leadin = 1;
+        sg_print_host_status(host_status);
+        fprintf(OUTP, "\n");
+    }
+    if (0 != driver_status) {
+        if (leadin && (! done_leadin))
+            fprintf(OUTP, "%s: ", leadin);
+        if (done_leadin)
+            fprintf(OUTP, "plus...: ");
+        else
+            done_leadin = 1;
+        sg_print_driver_status(driver_status);
+        fprintf(OUTP, "\n");
+        if (sense_buffer && (! done_sense) &&
+            (SG_ERR_DRIVER_SENSE & driver_status))
+            sg_print_sense(0, sense_buffer, sb_len);
+    }
+    return 0;
+}
+
+#ifdef SG_IO
+int sg_err_category3(struct sg_io_hdr * hp)
+{
+    return sg_err_category(hp->masked_status, hp->host_status,
+                           hp->driver_status, hp->sbp, hp->sb_len_wr);
+}
+#endif
+
+int sg_err_category(int masked_status, int host_status,
+                    int driver_status, const unsigned char * sense_buffer,
+                    int sb_len)
+{
+    if ((0 == masked_status) && (0 == host_status) &&
+        (0 == driver_status))
+        return SG_ERR_CAT_CLEAN;
+    if ((CHECK_CONDITION == masked_status) ||
+        (COMMAND_TERMINATED == masked_status) ||
+        (SG_ERR_DRIVER_SENSE & driver_status)) {
+        if (sense_buffer && (sb_len > 2)) {
+            if(RECOVERED_ERROR == sense_buffer[2])
+                return SG_ERR_CAT_RECOVERED;
+            else if ((UNIT_ATTENTION == (0x0f & sense_buffer[2])) &&
+                     (sb_len > 12)) {
+                if (0x28 == sense_buffer[12])
+                    return SG_ERR_CAT_MEDIA_CHANGED;
+                if (0x29 == sense_buffer[12])
+                    return SG_ERR_CAT_RESET;
+            }
+        }
+        return SG_ERR_CAT_SENSE;
+    }
+    if (0 != host_status) {
+        if ((SG_ERR_DID_NO_CONNECT == host_status) ||
+            (SG_ERR_DID_BUS_BUSY == host_status) ||
+            (SG_ERR_DID_TIME_OUT == host_status))
+            return SG_ERR_CAT_TIMEOUT;
+    }
+    if (0 != driver_status) {
+        if (SG_ERR_DRIVER_TIMEOUT == driver_status)
+            return SG_ERR_CAT_TIMEOUT;
+    }
+    return SG_ERR_CAT_OTHER;
+}
+
+int sg_get_command_size(unsigned char opcode)
+{
+    return COMMAND_SIZE(opcode);
+}