Import 2.3.18pre1

[davej-history.git] / drivers / scsi / constants.c

/* 
 * ASCII values for a number of symbolic constants, printing functions,
 * etc.
 * Additions for SCSI 2 and Linux 2.2.x by D. Gilbert (990422)
 *
 */

#define __NO_VERSION__
#include <linux/module.h>

#include <linux/config.h>
#include <linux/blk.h>
#include <linux/kernel.h>
#include"scsi.h"
#include"hosts.h"

#define CONST_COMMAND 0x01
#define CONST_STATUS 0x02
#define CONST_SENSE 0x04
#define CONST_XSENSE 0x08
#define CONST_CMND 0x10
#define CONST_MSG 0x20
#define CONST_HOST 0x40
#define CONST_DRIVER 0x80

static const char unknown[] ="UNKNOWN";

#ifdef CONFIG_SCSI_CONSTANTS
#ifdef CONSTANTS
#undef CONSTANTS
#endif
#define CONSTANTS (CONST_COMMAND | CONST_STATUS | CONST_SENSE | CONST_XSENSE \
 | CONST_CMND | CONST_MSG | CONST_HOST | CONST_DRIVER)
#endif

#if (CONSTANTS & CONST_COMMAND)
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 voidprint_opcode(int opcode) {
const char**table = commands[group(opcode) ];
switch((unsigned long) table) {
case RESERVED_GROUP:
printk("%s(0x%02x) ", reserved, opcode);
break;
case VENDOR_GROUP:
printk("%s(0x%02x) ", vendor, opcode);
break;
default:
if(table[opcode &0x1f] != unknown)
printk("%s ",table[opcode &0x1f]);
else
printk("%s(0x%02x) ", unknown, opcode);
break;
}
}
#else/* CONST & CONST_COMMAND */
static voidprint_opcode(int opcode) {
printk("0x%02x ", opcode);
}
#endif 

voidprint_command(unsigned char*command) {
int i,s;
print_opcode(command[0]);
for( i =1, s =COMMAND_SIZE(command[0]); i < s; ++i)
printk("%02x ", command[i]);
printk("\n");
}

#if (CONSTANTS & CONST_STATUS)
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,
};
#endif

voidprint_status(int status) {
 status = (status >>1) &0x1f;
#if (CONSTANTS & CONST_STATUS)
printk("%s ",statuses[status]);
#else
printk("0x%0x ", status);
#endif 
}

#if (CONSTANTS & CONST_XSENSE)
#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}
};
#endif

#if (CONSTANTS & CONST_SENSE)
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 */
};
#endif

/* Print sense information */
voidprint_sense(const char* devclass, Scsi_Cmnd * SCpnt)
{
int i, s;
int sense_class, valid, code;
unsigned char* sense_buffer = SCpnt->sense_buffer;
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 >sizeof(SCpnt->sense_buffer))
 s =sizeof(SCpnt->sense_buffer);

if(!valid)
printk("[valid=0] ");
printk("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)
printk("FMK ");/* current command has read a filemark */
if(sense_buffer[2] &0x40)
printk("EOM ");/* end-of-medium condition exists */
if(sense_buffer[2] &0x20)
printk("ILI ");/* incorrect block length requested */

switch(code) {
case0x0:
 error ="Current";/* error concerns current command */
break;
case0x1:
 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";
}

printk("%s ", error);

#if (CONSTANTS & CONST_SENSE)
printk("%s%s: sense key %s\n", devclass,
kdevname(SCpnt->request.rq_dev), snstext[sense_buffer[2] &0x0f]);
#else
printk("%s%s: sns = %2x %2x\n", devclass,
kdevname(SCpnt->request.rq_dev), sense_buffer[0], sense_buffer[2]);
#endif

/* 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;

#if (CONSTANTS & CONST_XSENSE)
for(i=0; additional[i].text; i++)
if(additional[i].code1 == sense_buffer[12] &&
 additional[i].code2 == sense_buffer[13])
printk("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]) {
printk("Additional sense indicates ");
printk(additional2[i].text, sense_buffer[13]);
printk("\n");
};
#else
printk("ASC=%2x ASCQ=%2x\n", sense_buffer[12], sense_buffer[13]);
#endif
}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 (CONSTANTS & CONST_SENSE)
if(sense_buffer[0] <15)
printk("%s%s: old sense key %s\n", devclass,
kdevname(SCpnt->request.rq_dev), snstext[sense_buffer[0] &0x0f]);
else
#endif
printk("%s%s: sns = %2x %2x\n", devclass,
kdevname(SCpnt->request.rq_dev), sense_buffer[0], sense_buffer[2]);

printk("Non-extended sense class %d code 0x%0x ", sense_class, code);
 s =4;
}

 done:
#if !(CONSTANTS & CONST_SENSE)
printk("Raw sense data:");
for(i =0; i < s; ++i)
printk("0x%02x ", sense_buffer[i]);
printk("\n");
#endif
return;
}

#if (CONSTANTS & CONST_MSG) 
static const char*one_byte_msgs[] = {
/* 0x00 */"Command Complete", NULL,"Save Pointers",
/* 0x03 */"Restore Pointers","Disconnect","Initiator Error",
/* 0x06 */"Abort","Message Reject","Nop","Message Parity Error",
/* 0x0a */"Linked Command Complete","Linked Command Complete w/flag",
/* 0x0c */"Bus device reset","Abort Tag","Clear Queue",
/* 0x0f */"Initiate Recovery","Release Recovery"
};

#define NO_ONE_BYTE_MSGS (sizeof(one_byte_msgs) / sizeof (const char *))

static const char*two_byte_msgs[] = {
/* 0x20 */"Simple Queue Tag","Head of Queue Tag","Ordered Queue Tag"
/* 0x23 */"Ignore Wide Residue"
};

#define NO_TWO_BYTE_MSGS (sizeof(two_byte_msgs) / sizeof (const char *))

static const char*extended_msgs[] = {
/* 0x00 */"Modify Data Pointer","Synchronous Data Transfer Request",
/* 0x02 */"SCSI-I Extended Identify","Wide Data Transfer Request"
};

#define NO_EXTENDED_MSGS (sizeof(two_byte_msgs) / sizeof (const char *))
#endif/* (CONSTANTS & CONST_MSG) */

intprint_msg(const unsigned char*msg) {
int len =0, i;
if(msg[0] == EXTENDED_MESSAGE) {
 len =3+ msg[1];
#if (CONSTANTS & CONST_MSG)
if(msg[2] < NO_EXTENDED_MSGS)
printk("%s ", extended_msgs[msg[2]]);
else
printk("Extended Message, reserved code (0x%02x) ", (int) msg[2]);
switch(msg[2]) {
case EXTENDED_MODIFY_DATA_POINTER:
printk("pointer = %d", (int) (msg[3] <<24) | (msg[4] <<16) |
(msg[5] <<8) | msg[6]);
break;
case EXTENDED_SDTR:
printk("period = %d ns, offset = %d", (int) msg[3] *4, (int)
 msg[4]);
break;
case EXTENDED_WDTR:
printk("width = 2^%d bytes", msg[3]);
break;
default:
for(i =2; i < len; ++i)
printk("%02x ", msg[i]);
}
#else
for(i =0; i < len; ++i)
printk("%02x ", msg[i]);
#endif
/* Identify */
}else if(msg[0] &0x80) {
#if (CONSTANTS & CONST_MSG)
printk("Identify disconnect %sallowed %s %d ",
(msg[0] &0x40) ?"":"not ",
(msg[0] &0x20) ?"target routine":"lun",
 msg[0] &0x7);
#else
printk("%02x ", msg[0]);
#endif
 len =1;
/* Normal One byte */
}else if(msg[0] <0x1f) {
#if (CONSTANTS & CONST_MSG)
if(msg[0] < NO_ONE_BYTE_MSGS)
printk(one_byte_msgs[msg[0]]);
else
printk("reserved (%02x) ", msg[0]);
#else
printk("%02x ", msg[0]);
#endif
 len =1;
/* Two byte */
}else if(msg[0] <=0x2f) {
#if (CONSTANTS & CONST_MSG)
if((msg[0] -0x20) < NO_TWO_BYTE_MSGS)
printk("%s %02x ", two_byte_msgs[msg[0] -0x20],
 msg[1]);
else
printk("reserved two byte (%02x %02x) ",
 msg[0], msg[1]);
#else
printk("%02x %02x", msg[0], msg[1]);
#endif
 len =2;
}else
#if (CONSTANTS & CONST_MSG)
printk(reserved);
#else
printk("%02x ", msg[0]);
#endif
return len;
}

voidprint_Scsi_Cmnd(Scsi_Cmnd *cmd) {
printk("scsi%d : destination target %d, lun %d\n",
 cmd->host->host_no,
 cmd->target,
 cmd->lun);
printk(" command = ");
print_command(cmd->cmnd);
}

#if (CONSTANTS & CONST_HOST)
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};

voidprint_hostbyte(int scsiresult)
{static int maxcode=0;
int i;

if(!maxcode) {
for(i=0;hostbyte_table[i];i++) ;
 maxcode=i-1;
}
printk("Hostbyte=0x%02x",host_byte(scsiresult));
if(host_byte(scsiresult)>maxcode) {
printk("is invalid ");
return;
}
printk("(%s) ",hostbyte_table[host_byte(scsiresult)]);
}
#else
voidprint_hostbyte(int scsiresult)
{printk("Hostbyte=0x%02x ",host_byte(scsiresult));
}
#endif

#if (CONSTANTS & CONST_DRIVER)
static const char* driverbyte_table[]={
"DRIVER_OK","DRIVER_BUSY","DRIVER_SOFT","DRIVER_MEDIA","DRIVER_ERROR",
"DRIVER_INVALID","DRIVER_TIMEOUT","DRIVER_HARD",NULL };

static const char* driversuggest_table[]={"SUGGEST_OK",
"SUGGEST_RETRY","SUGGEST_ABORT","SUGGEST_REMAP","SUGGEST_DIE",
unknown,unknown,unknown,"SUGGEST_SENSE",NULL};


voidprint_driverbyte(int scsiresult)
{static int driver_max=0,suggest_max=0;
int i,dr=driver_byte(scsiresult)&DRIVER_MASK,
 su=(driver_byte(scsiresult)&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;
}
printk("Driverbyte=0x%02x",driver_byte(scsiresult));
printk("(%s,%s) ",
 dr<driver_max ? driverbyte_table[dr]:"invalid",
 su<suggest_max ? driversuggest_table[su]:"invalid");
}
#else
voidprint_driverbyte(int scsiresult)
{printk("Driverbyte=0x%02x ",driver_byte(scsiresult));
}
#endif

/*
 * Overrides for Emacs so that we almost follow Linus's tabbing style.
 * Emacs will notice this stuff at the end of the file and automatically
 * adjust the settings for this buffer only. This must remain at the end
 * of the file.
 * ---------------------------------------------------------------------------
 * Local variables:
 * c-indent-level: 4
 * c-brace-imaginary-offset: 0
 * c-brace-offset: -4
 * c-argdecl-indent: 4
 * c-label-offset: -4
 * c-continued-statement-offset: 4
 * c-continued-brace-offset: 0
 * indent-tabs-mode: nil
 * tab-width: 8
 * End:
 */