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scsi_sense.c revision 1.4
      1 /*	$NetBSD: scsi_sense.c,v 1.4 2003/05/17 23:03:28 itojun Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1998 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Charles M. Hannum; Jason R. Thorpe of the Numerical Aerospace
      9  * Simulation Facility, NASA Ames Research Center.
     10  *
     11  * Redistribution and use in source and binary forms, with or without
     12  * modification, are permitted provided that the following conditions
     13  * are met:
     14  * 1. Redistributions of source code must retain the above copyright
     15  *    notice, this list of conditions and the following disclaimer.
     16  * 2. Redistributions in binary form must reproduce the above copyright
     17  *    notice, this list of conditions and the following disclaimer in the
     18  *    documentation and/or other materials provided with the distribution.
     19  * 3. All advertising materials mentioning features or use of this software
     20  *    must display the following acknowledgement:
     21  *        This product includes software developed by the NetBSD
     22  *        Foundation, Inc. and its contributors.
     23  * 4. Neither the name of The NetBSD Foundation nor the names of its
     24  *    contributors may be used to endorse or promote products derived
     25  *    from this software without specific prior written permission.
     26  *
     27  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     28  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     29  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     30  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     31  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     32  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     33  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     34  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     35  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     36  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     37  * POSSIBILITY OF SUCH DAMAGE.
     38  */
     39 
     40 /*
     41  * SCSI sense interpretation.  Lifted from src/sys/dev/scsipi/scsi_verbose.c,
     42  * and modified for userland.
     43  *
     44  * XXX THESE SHOULD BE IN A LIBRARY!
     45  */
     46 
     47 #include <sys/param.h>
     48 #include <sys/device.h>
     49 #include <sys/scsiio.h>
     50 #include <stdio.h>
     51 #include <string.h>
     52 
     53 #include <dev/scsipi/scsipi_all.h>
     54 #include <dev/scsipi/scsi_all.h>
     55 #include <dev/scsipi/scsipiconf.h>
     56 #include <dev/scsipi/scsiconf.h>
     57 
     58 #include "extern.h"
     59 
     60 static const char *sense_keys[16] = {
     61 	"No Additional Sense",
     62 	"Recovered Error",
     63 	"Not Ready",
     64 	"Media Error",
     65 	"Hardware Error",
     66 	"Illegal Request",
     67 	"Unit Attention",
     68 	"Write Protected",
     69 	"Blank Check",
     70 	"Vendor Unique",
     71 	"Copy Aborted",
     72 	"Aborted Command",
     73 	"Equal Error",
     74 	"Volume Overflow",
     75 	"Miscompare Error",
     76 	"Reserved"
     77 };
     78 
     79 static const struct {
     80 	unsigned char asc;
     81 	unsigned char ascq;
     82 	const char *description;
     83 } adesc[] = {
     84 { 0x00, 0x00, "No Additional Sense Information" },
     85 { 0x00, 0x01, "Filemark Detected" },
     86 { 0x00, 0x02, "End-Of-Partition/Medium Detected" },
     87 { 0x00, 0x03, "Setmark Detected" },
     88 { 0x00, 0x04, "Beginning-Of-Partition/Medium Detected" },
     89 { 0x00, 0x05, "End-Of-Data Detected" },
     90 { 0x00, 0x06, "I/O Process Terminated" },
     91 { 0x00, 0x11, "Audio Play Operation In Progress" },
     92 { 0x00, 0x12, "Audio Play Operation Paused" },
     93 { 0x00, 0x13, "Audio Play Operation Successfully Completed" },
     94 { 0x00, 0x14, "Audio Play Operation Stopped Due to Error" },
     95 { 0x00, 0x15, "No Current Audio Status To Return" },
     96 { 0x01, 0x00, "No Index/Sector Signal" },
     97 { 0x02, 0x00, "No Seek Complete" },
     98 { 0x03, 0x00, "Peripheral Device Write Fault" },
     99 { 0x03, 0x01, "No Write Current" },
    100 { 0x03, 0x02, "Excessive Write Errors" },
    101 { 0x04, 0x00, "Logical Unit Not Ready, Cause Not Reportable" },
    102 { 0x04, 0x01, "Logical Unit Is in Process Of Becoming Ready" },
    103 { 0x04, 0x02, "Logical Unit Not Ready, Initialization Command Required" },
    104 { 0x04, 0x03, "Logical Unit Not Ready, Manual Intervention Required" },
    105 { 0x04, 0x04, "Logical Unit Not Ready, Format In Progress" },
    106 { 0x05, 0x00, "Logical Unit Does Not Respond To Selection" },
    107 { 0x06, 0x00, "No Reference Position Found" },
    108 { 0x07, 0x00, "Multiple Peripheral Devices Selected" },
    109 { 0x08, 0x00, "Logical Unit Communication Failure" },
    110 { 0x08, 0x01, "Logical Unit Communication Timeout" },
    111 { 0x08, 0x02, "Logical Unit Communication Parity Error" },
    112 { 0x09, 0x00, "Track Following Error" },
    113 { 0x09, 0x01, "Tracking Servo Failure" },
    114 { 0x09, 0x02, "Focus Servo Failure" },
    115 { 0x09, 0x03, "Spindle Servo Failure" },
    116 { 0x0A, 0x00, "Error Log Overflow" },
    117 { 0x0C, 0x00, "Write Error" },
    118 { 0x0C, 0x01, "Write Error Recovered with Auto Reallocation" },
    119 { 0x0C, 0x02, "Write Error - Auto Reallocate Failed" },
    120 { 0x10, 0x00, "ID CRC Or ECC Error" },
    121 { 0x11, 0x00, "Unrecovered Read Error" },
    122 { 0x11, 0x01, "Read Retried Exhausted" },
    123 { 0x11, 0x02, "Error Too Long To Correct" },
    124 { 0x11, 0x03, "Multiple Read Errors" },
    125 { 0x11, 0x04, "Unrecovered Read Error - Auto Reallocate Failed" },
    126 { 0x11, 0x05, "L-EC Uncorrectable Error" },
    127 { 0x11, 0x06, "CIRC Unrecovered Error" },
    128 { 0x11, 0x07, "Data Resynchronization Error" },
    129 { 0x11, 0x08, "Incomplete Block Found" },
    130 { 0x11, 0x09, "No Gap Found" },
    131 { 0x11, 0x0A, "Miscorrected Error" },
    132 { 0x11, 0x0B, "Uncorrected Read Error - Recommend Reassignment" },
    133 { 0x11, 0x0C, "Uncorrected Read Error - Recommend Rewrite the Data" },
    134 { 0x12, 0x00, "Address Mark Not Found for ID Field" },
    135 { 0x13, 0x00, "Address Mark Not Found for Data Field" },
    136 { 0x14, 0x00, "Recorded Entity Not Found" },
    137 { 0x14, 0x01, "Record Not Found" },
    138 { 0x14, 0x02, "Filemark or Setmark Not Found" },
    139 { 0x14, 0x03, "End-Of-Data Not Found" },
    140 { 0x14, 0x04, "Block Sequence Error" },
    141 { 0x15, 0x00, "Random Positioning Error" },
    142 { 0x15, 0x01, "Mechanical Positioning Error" },
    143 { 0x15, 0x02, "Positioning Error Detected By Read of Medium" },
    144 { 0x16, 0x00, "Data Synchronization Mark Error" },
    145 { 0x17, 0x00, "Recovered Data With No Error Correction Applied" },
    146 { 0x17, 0x01, "Recovered Data With Retries" },
    147 { 0x17, 0x02, "Recovered Data With Positive Head Offset" },
    148 { 0x17, 0x03, "Recovered Data With Negative Head Offset" },
    149 { 0x17, 0x04, "Recovered Data With Retries and/or CIRC Applied" },
    150 { 0x17, 0x05, "Recovered Data Using Previous Sector ID" },
    151 { 0x17, 0x06, "Recovered Data Without ECC - Data Auto-Reallocated" },
    152 { 0x17, 0x07, "Recovered Data Without ECC - Recommend Reassignment" },
    153 { 0x17, 0x08, "Recovered Data Without ECC - Recommend Rewrite" },
    154 { 0x18, 0x00, "Recovered Data With Error Correction Applied" },
    155 { 0x18, 0x01, "Recovered Data With Error Correction & Retries Applied" },
    156 { 0x18, 0x02, "Recovered Data - Data Auto-Reallocated" },
    157 { 0x18, 0x03, "Recovered Data With CIRC" },
    158 { 0x18, 0x04, "Recovered Data With LEC" },
    159 { 0x18, 0x05, "Recovered Data - Recommend Reassignment" },
    160 { 0x18, 0x06, "Recovered Data - Recommend Rewrite" },
    161 { 0x19, 0x00, "Defect List Error" },
    162 { 0x19, 0x01, "Defect List Not Available" },
    163 { 0x19, 0x02, "Defect List Error in Primary List" },
    164 { 0x19, 0x03, "Defect List Error in Grown List" },
    165 { 0x1A, 0x00, "Parameter List Length Error" },
    166 { 0x1B, 0x00, "Synchronous Data Transfer Error" },
    167 { 0x1C, 0x00, "Defect List Not Found" },
    168 { 0x1C, 0x01, "Primary Defect List Not Found" },
    169 { 0x1C, 0x02, "Grown Defect List Not Found" },
    170 { 0x1D, 0x00, "Miscompare During Verify Operation" },
    171 { 0x1E, 0x00, "Recovered ID with ECC" },
    172 { 0x20, 0x00, "Invalid Command Operation Code" },
    173 { 0x21, 0x00, "Logical Block Address Out of Range" },
    174 { 0x21, 0x01, "Invalid Element Address" },
    175 { 0x22, 0x00, "Illegal Function (Should 20 00, 24 00, or 26 00)" },
    176 { 0x24, 0x00, "Illegal Field in CDB" },
    177 { 0x25, 0x00, "Logical Unit Not Supported" },
    178 { 0x26, 0x00, "Invalid Field In Parameter List" },
    179 { 0x26, 0x01, "Parameter Not Supported" },
    180 { 0x26, 0x02, "Parameter Value Invalid" },
    181 { 0x26, 0x03, "Threshold Parameters Not Supported" },
    182 { 0x27, 0x00, "Write Protected" },
    183 { 0x28, 0x00, "Not Ready To Ready Transition (Medium May Have Changed)" },
    184 { 0x28, 0x01, "Import Or Export Element Accessed" },
    185 { 0x29, 0x00, "Power On, Reset, or Bus Device Reset Occurred" },
    186 { 0x2A, 0x00, "Parameters Changed" },
    187 { 0x2A, 0x01, "Mode Parameters Changed" },
    188 { 0x2A, 0x02, "Log Parameters Changed" },
    189 { 0x2B, 0x00, "Copy Cannot Execute Since Host Cannot Disconnect" },
    190 { 0x2C, 0x00, "Command Sequence Error" },
    191 { 0x2C, 0x01, "Too Many Windows Specified" },
    192 { 0x2C, 0x02, "Invalid Combination of Windows Specified" },
    193 { 0x2D, 0x00, "Overwrite Error On Update In Place" },
    194 { 0x2F, 0x00, "Commands Cleared By Another Initiator" },
    195 { 0x30, 0x00, "Incompatible Medium Installed" },
    196 { 0x30, 0x01, "Cannot Read Medium - Unknown Format" },
    197 { 0x30, 0x02, "Cannot Read Medium - Incompatible Format" },
    198 { 0x30, 0x03, "Cleaning Cartridge Installed" },
    199 { 0x31, 0x00, "Medium Format Corrupted" },
    200 { 0x31, 0x01, "Format Command Failed" },
    201 { 0x32, 0x00, "No Defect Spare Location Available" },
    202 { 0x32, 0x01, "Defect List Update Failure" },
    203 { 0x33, 0x00, "Tape Length Error" },
    204 { 0x36, 0x00, "Ribbon, Ink, or Toner Failure" },
    205 { 0x37, 0x00, "Rounded Parameter" },
    206 { 0x39, 0x00, "Saving Parameters Not Supported" },
    207 { 0x3A, 0x00, "Medium Not Present" },
    208 { 0x3B, 0x00, "Positioning Error" },
    209 { 0x3B, 0x01, "Tape Position Error At Beginning-of-Medium" },
    210 { 0x3B, 0x02, "Tape Position Error At End-of-Medium" },
    211 { 0x3B, 0x03, "Tape or Electronic Vertical Forms Unit Not Ready" },
    212 { 0x3B, 0x04, "Slew Failure" },
    213 { 0x3B, 0x05, "Paper Jam" },
    214 { 0x3B, 0x06, "Failed To Sense Top-Of-Form" },
    215 { 0x3B, 0x07, "Failed To Sense Bottom-Of-Form" },
    216 { 0x3B, 0x08, "Reposition Error" },
    217 { 0x3B, 0x09, "Read Past End Of Medium" },
    218 { 0x3B, 0x0A, "Read Past Begining Of Medium" },
    219 { 0x3B, 0x0B, "Position Past End Of Medium" },
    220 { 0x3B, 0x0C, "Position Past Beginning Of Medium" },
    221 { 0x3B, 0x0D, "Medium Destination Element Full" },
    222 { 0x3B, 0x0E, "Medium Source Element Empty" },
    223 { 0x3D, 0x00, "Invalid Bits In IDENTIFY Message" },
    224 { 0x3E, 0x00, "Logical Unit Has Not Self-Configured Yet" },
    225 { 0x3F, 0x00, "Target Operating Conditions Have Changed" },
    226 { 0x3F, 0x01, "Microcode Has Changed" },
    227 { 0x3F, 0x02, "Changed Operating Definition" },
    228 { 0x3F, 0x03, "INQUIRY Data Has Changed" },
    229 { 0x40, 0x00, "RAM FAILURE (Should Use 40 NN)" },
    230 { 0x41, 0x00, "Data Path FAILURE (Should Use 40 NN)" },
    231 { 0x42, 0x00, "Power-On or Self-Test FAILURE (Should Use 40 NN)" },
    232 { 0x43, 0x00, "Message Error" },
    233 { 0x44, 0x00, "Internal Target Failure" },
    234 { 0x45, 0x00, "Select Or Reselect Failure" },
    235 { 0x46, 0x00, "Unsuccessful Soft Reset" },
    236 { 0x47, 0x00, "SCSI Parity Error" },
    237 { 0x48, 0x00, "INITIATOR DETECTED ERROR Message Received" },
    238 { 0x49, 0x00, "Invalid Message Error" },
    239 { 0x4A, 0x00, "Command Phase Error" },
    240 { 0x4B, 0x00, "Data Phase Error" },
    241 { 0x4C, 0x00, "Logical Unit Failed Self-Configuration" },
    242 { 0x4E, 0x00, "Overlapped Commands Attempted" },
    243 { 0x50, 0x00, "Write Append Error" },
    244 { 0x50, 0x01, "Write Append Position Error" },
    245 { 0x50, 0x01, "Write Append Position Error" },
    246 { 0x50, 0x02, "Position Error Related To Timing" },
    247 { 0x51, 0x00, "Erase Failure" },
    248 { 0x52, 0x00, "Cartridge Fault" },
    249 { 0x53, 0x00, "Media Load or Eject Failed" },
    250 { 0x53, 0x01, "Unload Tape Failure" },
    251 { 0x53, 0x02, "Medium Removal Prevented" },
    252 { 0x54, 0x00, "SCSI To Host System Interface Failure" },
    253 { 0x55, 0x00, "System Resource Failure" },
    254 { 0x57, 0x00, "Unable To Recover Table-Of-Contents" },
    255 { 0x58, 0x00, "Generation Does Not Exist" },
    256 { 0x59, 0x00, "Updated Block Read" },
    257 { 0x5A, 0x00, "Operator Request or State Change Input (Unspecified)" },
    258 { 0x5A, 0x01, "Operator Medium Removal Requested" },
    259 { 0x5A, 0x02, "Operator Selected Write Protect" },
    260 { 0x5A, 0x03, "Operator Selected Write Permit" },
    261 { 0x5B, 0x00, "Log Exception" },
    262 { 0x5B, 0x01, "Threshold Condition Met" },
    263 { 0x5B, 0x02, "Log Counter At Maximum" },
    264 { 0x5B, 0x03, "Log List Codes Exhausted" },
    265 { 0x5C, 0x00, "RPL Status Change" },
    266 { 0x5C, 0x01, "Spindles Synchronized" },
    267 { 0x5C, 0x02, "Spindles Not Synchronized" },
    268 { 0x60, 0x00, "Lamp Failure" },
    269 { 0x61, 0x00, "Video Acquisition Error" },
    270 { 0x61, 0x01, "Unable To Acquire Video" },
    271 { 0x61, 0x02, "Out Of Focus" },
    272 { 0x62, 0x00, "Scan Head Positioning Error" },
    273 { 0x63, 0x00, "End Of User Area Encountered On This Track" },
    274 { 0x64, 0x00, "Illegal Mode For This Track" },
    275 { 0x00, 0x00, NULL }
    276 };
    277 
    278 static void asc2ascii __P((unsigned char, unsigned char, char *, size_t));
    279 
    280 static void
    281 asc2ascii(asc, ascq, result, reslen)
    282 	unsigned char asc, ascq;
    283 	char *result;
    284 	size_t reslen;
    285 {
    286 	int i = 0;
    287 
    288 	while (adesc[i].description != NULL) {
    289 		if (adesc[i].asc == asc && adesc[i].ascq == ascq)
    290 			break;
    291 		i++;
    292 	}
    293 	if (adesc[i].description == NULL) {
    294 		if (asc == 0x40 && ascq != 0)
    295 			(void) snprintf(result, reslen,
    296 			    "Diagnostic Failure on Component 0x%02x",
    297 			    ascq & 0xff);
    298 		else
    299 			(void) snprintf(result, reslen,
    300 			    "ASC 0x%02x ASCQ 0x%02x",
    301 			    asc & 0xff, ascq & 0xff);
    302 	} else
    303 		(void) strlcpy(result, adesc[i].description, reslen);
    304 }
    305 
    306 void
    307 scsi_print_sense_data(s, slen, verbosity)
    308 	const unsigned char *s;
    309 	int slen, verbosity;
    310 {
    311 	int32_t info;
    312 	int i, j, k;
    313 	char sbs[132], *cp;
    314 
    315 	/*
    316 	 * Basics - print out SENSE KEY
    317 	 */
    318 	printf("    SENSE KEY: %s", scsi_decode_sense(s, 0, sbs, sizeof(sbs)));
    319 
    320 	/*
    321 	 * Print out, unqualified but aligned, FMK, EOM and ILI status.
    322 	 */
    323 	if (s[2] & 0xe0) {
    324 		char pad;
    325 	        printf("\n              ");
    326 		pad = ' ';
    327 		if (s[2] & SSD_FILEMARK) {
    328 			printf("%c Filemark Detected", pad);
    329 			pad = ',';
    330 		}
    331 		if (s[2] & SSD_EOM) {
    332 			printf("%c EOM Detected", pad);
    333 			pad = ',';
    334 		}
    335 		if (s[2] & SSD_ILI)
    336 			printf("%c Incorrect Length Indicator Set", pad);
    337 	}
    338 
    339 	/*
    340 	 * Now we should figure out, based upon device type, how
    341 	 * to format the information field. Unfortunately, that's
    342 	 * not convenient here, so we'll print it as a signed
    343 	 * 32 bit integer.
    344 	 */
    345 	info = _4btol(&s[3]);
    346 	if (info)
    347 		printf("\n   INFO FIELD: %d", info);
    348 
    349 	/*
    350 	 * Now we check additional length to see whether there is
    351 	 * more information to extract.
    352 	 */
    353 
    354 	/* enough for command specific information? */
    355 	if (((unsigned int) s[7]) < 4) {
    356 		printf("\n");
    357 		return;
    358 	}
    359 	info = _4btol(&s[8]);
    360 	if (info)
    361 		printf("\n COMMAND INFO: %d (0x%x)", info, info);
    362 
    363 	/*
    364 	 * Decode ASC && ASCQ info, plus FRU, plus the rest...
    365 	 */
    366 
    367 	cp = scsi_decode_sense(s, 1, sbs, sizeof(sbs));
    368 	if (cp)
    369 		printf("\n     ASC/ASCQ: %s", cp);
    370 	if (s[14] != 0)
    371 		printf("\n     FRU CODE: 0x%x", s[14] & 0xff);
    372 	cp = scsi_decode_sense(s, 3, sbs, sizeof(sbs));
    373 	if (cp)
    374 		printf("\n         SKSV: %s", cp);
    375 	printf("\n");
    376 	if (verbosity == 0) {
    377 		printf("\n");
    378 		return;
    379 	}
    380 
    381 	/*
    382 	 * Now figure whether we should print any additional informtion.
    383 	 *
    384 	 * Where should we start from? If we had SKSV data,
    385 	 * start from offset 18, else from offset 15.
    386 	 *
    387 	 * From that point until the end of the buffer, check for any
    388 	 * nonzero data. If we have some, go back and print the lot,
    389 	 * otherwise we're done.
    390 	 */
    391 	if (sbs)
    392 		i = 18;
    393 	else
    394 		i = 15;
    395 	for (j = i; j < slen; j++)
    396 		if (s[j])
    397 			break;
    398 	if (j == slen)
    399 		return;
    400 
    401 	printf("\n Additional Sense Information (byte %d out...):\n", i);
    402 	if (i == 15) {
    403 		printf("\n\t%2d:", i);
    404 		k = 7;
    405 	} else {
    406 		printf("\n\t%2d:", i);
    407 		k = 2;
    408 		j -= 2;
    409 	}
    410 	while (j > 0) {
    411 		if (i >= slen)
    412 			break;
    413 		if (k == 8) {
    414 			k = 0;
    415 			printf("\n\t%2d:", i);
    416 		}
    417 		printf(" 0x%02x", s[i] & 0xff);
    418 		k++;
    419 		j--;
    420 		i++;
    421 	}
    422 	printf("\n\n");
    423 }
    424 
    425 char *
    426 scsi_decode_sense(snsbuf, flag, rqsbuf, rqsbuflen)
    427 	const unsigned char *snsbuf;
    428 	int flag;
    429 	char *rqsbuf;
    430 	size_t rqsbuflen;
    431 {
    432 	unsigned char skey;
    433 	char localbuf[64];
    434 
    435 	skey = 0;
    436 
    437 	if (flag == 0 || flag == 2 || flag == 3)
    438 		skey = snsbuf[2] & 0xf;
    439 	if (flag == 0) {			/* Sense Key Only */
    440 		(void) strlcpy(rqsbuf, sense_keys[skey], rqsbuflen);
    441 		return (rqsbuf);
    442 	} else if (flag == 1) {			/* ASC/ASCQ Only */
    443 		asc2ascii(snsbuf[12], snsbuf[13], rqsbuf, rqsbuflen);
    444 		return (rqsbuf);
    445 	} else  if (flag == 2) {		/* Sense Key && ASC/ASCQ */
    446 		asc2ascii(snsbuf[12], snsbuf[13], localbuf, sizeof(localbuf));
    447 		(void) snprintf(rqsbuf, rqsbuflen, "%s, %s", sense_keys[skey],
    448 		    localbuf);
    449 		return (rqsbuf);
    450 	} else if (flag == 3 && snsbuf[7] >= 9 && (snsbuf[15] & 0x80)) {
    451 		/*
    452 		 * SKSV Data
    453 		 */
    454 		switch (skey) {
    455 		case SKEY_ILLEGAL_REQUEST:
    456 			if (snsbuf[15] & 0x8)
    457 				(void) snprintf(rqsbuf, rqsbuflen,
    458 				    "Error in %s, Offset %d, bit %d",
    459 				    (snsbuf[15] & 0x40)? "CDB" : "Parameters",
    460 				    (snsbuf[16] & 0xff) << 8 |
    461 				    (snsbuf[17] & 0xff), snsbuf[15] & 0x7);
    462 			else
    463 				(void) snprintf(rqsbuf, rqsbuflen,
    464 				    "Error in %s, Offset %d",
    465 				    (snsbuf[15] & 0x40)? "CDB" : "Parameters",
    466 				    (snsbuf[16] & 0xff) << 8 |
    467 				    (snsbuf[17] & 0xff));
    468 			return (rqsbuf);
    469 
    470 		case SKEY_RECOVERED_ERROR:
    471 		case SKEY_MEDIUM_ERROR:
    472 		case SKEY_HARDWARE_ERROR:
    473 			(void) snprintf(rqsbuf, rqsbuflen,
    474 			    "Actual Retry Count: %d",
    475 			    (snsbuf[16] & 0xff) << 8 | (snsbuf[17] & 0xff));
    476 			return (rqsbuf);
    477 
    478 		case SKEY_NOT_READY:
    479 			(void) snprintf(rqsbuf, rqsbuflen,
    480 			    "Progress Indicator: %d",
    481 			    (snsbuf[16] & 0xff) << 8 | (snsbuf[17] & 0xff));
    482 			return (rqsbuf);
    483 
    484 		default:
    485 			break;
    486 		}
    487 	}
    488 	return (NULL);
    489 }
    490 
    491 void
    492 scsi_print_sense(name, req, verbosity)
    493 	const char *name;
    494 	const scsireq_t *req;
    495 	int verbosity;
    496 {
    497 	int i;
    498 
    499  	printf("%s: Check Condition on CDB:", name);
    500  	for (i = 0; i < req->cmdlen; i++)
    501  		printf(" %02x", req->cmd[i]);
    502  	printf("\n");
    503 	scsi_print_sense_data(req->sense, req->senselen_used, verbosity);
    504 }
    505