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iscsic_driverif.c revision 1.3 
      1 /*	$NetBSD: iscsic_driverif.c,v 1.3 2012/06/20 08:11:11 martin Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2005,2006,2011 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Wasabi Systems, Inc.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #include "iscsic_globals.h"
     33 
     34 #include <ctype.h>
     35 #include <inttypes.h>
     36 
     37 typedef struct {
     38 	uint8_t		 asc;
     39 	uint8_t		 ascq;
     40 	const char	*key;
     41 } asc_tab_t;
     42 
     43 asc_tab_t asctab[] = {
     44 	{0x00, 0x01, "FILEMARK DETECTED"},
     45 	{0x00, 0x02, "END-OF-PARTITION/MEDIUM DETECTED"},
     46 	{0x00, 0x03, "SETMARK DETECTED"},
     47 	{0x00, 0x04, "BEGINNING-OF-PARTITION/MEDIUM DETECTED"},
     48 	{0x00, 0x05, "END-OF-DATA DETECTED"},
     49 	{0x00, 0x06, "I/O PROCESS TERMINATED"},
     50 	{0x00, 0x11, "AUDIO PLAY OPERATION IN PROGRESS"},
     51 	{0x00, 0x12, "AUDIO PLAY OPERATION PAUSED"},
     52 	{0x00, 0x13, "AUDIO PLAY OPERATION SUCCESSFULLY COMPLETED"},
     53 	{0x00, 0x14, "AUDIO PLAY OPERATION STOPPED DUE TO ERROR"},
     54 	{0x00, 0x15, "NO CURRENT AUDIO STATUS TO RETURN"},
     55 	{0x01, 0x00, "NO INDEX/SECTOR SIGNAL"},
     56 	{0x02, 0x00, "NO SEEK COMPLETE"},
     57 	{0x03, 0x00, "PERIPHERAL DEVICE WRITE FAULT"},
     58 	{0x03, 0x01, "NO WRITE CURRENT"},
     59 	{0x03, 0x02, "EXCESSIVE WRITE ERRORS"},
     60 	{0x04, 0x00, "LOGICAL UNIT NOT READY, CAUSE NOT REPORTABLE"},
     61 	{0x04, 0x01, "LOGICAL UNIT IS IN PROCESS OF BECOMING READY"},
     62 	{0x04, 0x02, "LOGICAL UNIT NOT READY, INITIALIZING COMMAND REQUIRED"},
     63 	{0x04, 0x03, "LOGICAL UNIT NOT READY, MANUAL INTERVENTION REQUIRED"},
     64 	{0x04, 0x04, "LOGICAL UNIT NOT READY, FORMAT IN PROGRESS"},
     65 	{0x05, 0x00, "LOGICAL UNIT DOES NOT RESPOND TO SELECTION"},
     66 	{0x06, 0x00, "NO REFERENCE POSITION FOUND"},
     67 	{0x07, 0x00, "MULTIPLE PERIPHERAL DEVICES SELECTED"},
     68 	{0x08, 0x00, "LOGICAL UNIT COMMUNICATION FAILURE"},
     69 	{0x08, 0x01, "LOGICAL UNIT COMMUNICATION TIME-OUT"},
     70 	{0x08, 0x02, "LOGICAL UNIT COMMUNICATION PARITY ERROR"},
     71 	{0x09, 0x00, "TRACK FOLLOWING ERROR"},
     72 	{0x09, 0x01, "TRACKING SERVO FAILURE"},
     73 	{0x09, 0x02, "FOCUS SERVO FAILURE"},
     74 	{0x09, 0x03, "SPINDLE SERVO FAILURE"},
     75 	{0x0A, 0x00, "ERROR LOG OVERFLOW"},
     76 	{0x0C, 0x00, "WRITE ERROR"},
     77 	{0x0C, 0x01, "WRITE ERROR RECOVERED WITH AUTO REALLOCATION"},
     78 	{0x0C, 0x02, "WRITE ERROR - AUTO REALLOCATION FAILED"},
     79 	{0x10, 0x00, "ID CRC OR ECC ERROR"},
     80 	{0x11, 0x00, "UNRECOVERED READ ERROR"},
     81 	{0x11, 0x01, "READ RETRIES EXHAUSTED"},
     82 	{0x11, 0x02, "ERROR TOO LONG TO CORRECT"},
     83 	{0x11, 0x03, "MULTIPLE READ ERRORS"},
     84 	{0x11, 0x04, "UNRECOVERED READ ERROR - AUTO REALLOCATE FAILED"},
     85 	{0x11, 0x05, "L-EC UNCORRECTABLE ERROR"},
     86 	{0x11, 0x06, "CIRC UNRECOVERED ERROR"},
     87 	{0x11, 0x07, "DATA RESYNCHRONIZATION ERROR"},
     88 	{0x11, 0x08, "INCOMPLETE BLOCK READ"},
     89 	{0x11, 0x09, "NO GAP FOUND"},
     90 	{0x11, 0x0A, "MISCORRECTED ERROR"},
     91 	{0x11, 0x0B, "UNRECOVERED READ ERROR - RECOMMEND REASSIGNMENT"},
     92 	{0x11, 0x0C, "UNRECOVERED READ ERROR - RECOMMEND REWRITE THE DATA"},
     93 	{0x12, 0x00, "ADDRESS MARK NOT FOUND FOR ID FIELD"},
     94 	{0x13, 0x00, "ADDRESS MARK NOT FOUND FOR DATA FIELD"},
     95 	{0x14, 0x00, "RECORDED ENTITY NOT FOUND"},
     96 	{0x14, 0x01, "RECORD NOT FOUND"},
     97 	{0x14, 0x02, "FILEMARK OR SETMARK NOT FOUND"},
     98 	{0x14, 0x03, "END-OF-DATA NOT FOUND"},
     99 	{0x14, 0x04, "BLOCK SEQUENCE ERROR"},
    100 	{0x15, 0x00, "RANDOM POSITIONING ERROR"},
    101 	{0x15, 0x01, "MECHANICAL POSITIONING ERROR"},
    102 	{0x15, 0x02, "POSITIONING ERROR DETECTED BY READ OF MEDIUM"},
    103 	{0x16, 0x00, "DATA SYNCHRONIZATION MARK ERROR"},
    104 	{0x17, 0x00, "RECOVERED DATA WITH NO ERROR CORRECTION APPLIED"},
    105 	{0x17, 0x01, "RECOVERED DATA WITH RETRIES"},
    106 	{0x17, 0x02, "RECOVERED DATA WITH POSITIVE HEAD OFFSET"},
    107 	{0x17, 0x03, "RECOVERED DATA WITH NEGATIVE HEAD OFFSET"},
    108 	{0x17, 0x04, "RECOVERED DATA WITH RETRIES AND/OR CIRC APPLIED"},
    109 	{0x17, 0x05, "RECOVERED DATA USING PREVIOUS SECTOR ID"},
    110 	{0x17, 0x06, "RECOVERED DATA WITHOUT ECC - DATA AUTO-REALLOCATED"},
    111 	{0x17, 0x07, "RECOVERED DATA WITHOUT ECC - RECOMMEND REASSIGNMENT"},
    112 	{0x17, 0x08, "RECOVERED DATA WITHOUT ECC - RECOMMEND REWRITE"},
    113 	{0x18, 0x00, "RECOVERED DATA WITH ERROR CORRECTION APPLIED"},
    114 	{0x18, 0x01, "RECOVERED DATA WITH ERROR CORRECTION & RETRIES APPLIED"},
    115 	{0x18, 0x02, "RECOVERED DATA - DATA AUTO-REALLOCATED"},
    116 	{0x18, 0x03, "RECOVERED DATA WITH CIRC"},
    117 	{0x18, 0x04, "RECOVERED DATA WITH L-EC"},
    118 	{0x18, 0x05, "RECOVERED DATA - RECOMMEND REASSIGNMENT"},
    119 	{0x18, 0x06, "RECOVERED DATA - RECOMMEND REWRITE"},
    120 	{0x19, 0x00, "DEFECT LIST ERROR"},
    121 	{0x19, 0x01, "DEFECT LIST NOT AVAILABLE"},
    122 	{0x19, 0x02, "DEFECT LIST ERROR IN PRIMARY LIST"},
    123 	{0x19, 0x03, "DEFECT LIST ERROR IN GROWN LIST"},
    124 	{0x1A, 0x00, "PARAMETER LIST LENGTH ERROR"},
    125 	{0x1B, 0x00, "SYNCHRONOUS DATA TRANSFER ERROR"},
    126 	{0x1C, 0x00, "DEFECT LIST NOT FOUND"},
    127 	{0x1C, 0x01, "PRIMARY DEFECT LIST NOT FOUND"},
    128 	{0x1C, 0x02, "GROWN DEFECT LIST NOT FOUND"},
    129 	{0x1D, 0x00, "MISCOMPARE DURING VERIFY OPERATION"},
    130 	{0x1E, 0x00, "RECOVERED ID WITH ECC CORRECTION"},
    131 	{0x20, 0x00, "INVALID COMMAND OPERATION CODE"},
    132 	{0x21, 0x00, "LOGICAL BLOCK ADDRESS OUT OF RANGE"},
    133 	{0x21, 0x01, "INVALID ELEMENT ADDRESS"},
    134 	{0x22, 0x00, "ILLEGAL FUNCTION"},
    135 	{0x24, 0x00, "INVALID FIELD IN CDB"},
    136 	{0x25, 0x00, "LOGICAL UNIT NOT SUPPORTED"},
    137 	{0x26, 0x00, "INVALID FIELD IN PARAMETER LIST"},
    138 	{0x26, 0x01, "PARAMETER NOT SUPPORTED"},
    139 	{0x26, 0x02, "PARAMETER VALUE INVALID"},
    140 	{0x26, 0x03, "THRESHOLD PARAMETERS NOT SUPPORTED"},
    141 	{0x27, 0x00, "WRITE PROTECTED"},
    142 	{0x28, 0x00, "NOT READY TO READY TRANSITION, MEDIUM MAY HAVE CHANGED"},
    143 	{0x28, 0x01, "IMPORT OR EXPORT ELEMENT ACCESSED"},
    144 	{0x29, 0x00, "POWER ON, RESET, OR BUS DEVICE RESET OCCURRED"},
    145 	{0x2A, 0x00, "PARAMETERS CHANGED"},
    146 	{0x2A, 0x01, "MODE PARAMETERS CHANGED"},
    147 	{0x2A, 0x02, "LOG PARAMETERS CHANGED"},
    148 	{0x2B, 0x00, "COPY CANNOT EXECUTE SINCE HOST CANNOT DISCONNECT"},
    149 	{0x2C, 0x00, "COMMAND SEQUENCE ERROR"},
    150 	{0x2C, 0x01, "TOO MANY WINDOWS SPECIFIED"},
    151 	{0x2C, 0x02, "INVALID COMBINATION OF WINDOWS SPECIFIED"},
    152 	{0x2D, 0x00, "OVERWRITE ERROR ON UPDATE IN PLACE"},
    153 	{0x2F, 0x00, "COMMANDS CLEARED BY ANOTHER INITIATOR"},
    154 	{0x30, 0x00, "INCOMPATIBLE MEDIUM INSTALLED"},
    155 	{0x30, 0x01, "CANNOT READ MEDIUM - UNKNOWN FORMAT"},
    156 	{0x30, 0x02, "CANNOT READ MEDIUM - INCOMPATIBLE FORMAT"},
    157 	{0x30, 0x03, "CLEANING CARTRIDGE INSTALLED"},
    158 	{0x31, 0x00, "MEDIUM FORMAT CORRUPTED"},
    159 	{0x31, 0x01, "FORMAT COMMAND FAILED"},
    160 	{0x32, 0x00, "NO DEFECT SPARE LOCATION AVAILABLE"},
    161 	{0x32, 0x01, "DEFECT LIST UPDATE FAILURE"},
    162 	{0x33, 0x00, "TAPE LENGTH ERROR"},
    163 	{0x36, 0x00, "RIBBON, INK, OR TONER FAILURE"},
    164 	{0x37, 0x00, "ROUNDED PARAMETER"},
    165 	{0x39, 0x00, "SAVING PARAMETERS NOT SUPPORTED"},
    166 	{0x3A, 0x00, "MEDIUM NOT PRESENT"},
    167 	{0x3B, 0x00, "SEQUENTIAL POSITIONING ERROR"},
    168 	{0x3B, 0x01, "TAPE POSITION ERROR AT BEGINNING-OF-MEDIUM"},
    169 	{0x3B, 0x02, "TAPE POSITION ERROR AT END-OF-MEDIUM"},
    170 	{0x3B, 0x03, "TAPE OR ELECTRONIC VERTICAL FORMS UNIT NOT READY"},
    171 	{0x3B, 0x04, "SLEW FAILURE"},
    172 	{0x3B, 0x05, "PAPER JAM"},
    173 	{0x3B, 0x06, "FAILED TO SENSE TOP-OF-FORM"},
    174 	{0x3B, 0x07, "FAILED TO SENSE BOTTOM-OF-FORM"},
    175 	{0x3B, 0x08, "REPOSITION ERROR"},
    176 	{0x3B, 0x09, "READ PAST END OF MEDIUM"},
    177 	{0x3B, 0x0A, "READ PAST BEGINNING OF MEDIUM"},
    178 	{0x3B, 0x0B, "POSITION PAST END OF MEDIUM"},
    179 	{0x3B, 0x0C, "POSITION PAST BEGINNING OF MEDIUM"},
    180 	{0x3B, 0x0D, "MEDIUM DESTINATION ELEMENT FULL"},
    181 	{0x3B, 0x0E, "MEDIUM SOURCE ELEMENT EMPTY"},
    182 	{0x3D, 0x00, "INVALID BITS IN IDENTIFY MESSAGE"},
    183 	{0x3E, 0x00, "LOGICAL UNIT HAS NOT SELF-CONFIGURED YET"},
    184 	{0x3F, 0x00, "TARGET OPERATING CONDITIONS HAVE CHANGED"},
    185 	{0x3F, 0x01, "MICROCODE HAS BEEN CHANGED"},
    186 	{0x3F, 0x02, "LPWRSOMC CHANGED OPERATING DEFINITION"},
    187 	{0x3F, 0x03, "INQUIRY DATA HAS CHANGED"},
    188 	{0x40, 0x00, "RAM FAILURE (SHOULD USE 40 NN)"},
    189 	{0x41, 0x00, "DATA PATH FAILURE (SHOULD USE 40 NN)"},
    190 	{0x42, 0x00, "POWER-ON OR SELF-TEST FAILURE (SHOULD USE 40 NN)"},
    191 	{0x43, 0x00, "MESSAGE ERROR"},
    192 	{0x44, 0x00, "INTERNAL TARGET FAILURE"},
    193 	{0x45, 0x00, "SELECT OR RESELECT FAILURE"},
    194 	{0x46, 0x00, "UNSUCCESSFUL SOFT RESET"},
    195 	{0x47, 0x00, "SCSI PARITY ERROR"},
    196 	{0x48, 0x00, "INITIATOR DETECTED ERROR MESSAGE RECEIVED"},
    197 	{0x49, 0x00, "INVALID MESSAGE ERROR"},
    198 	{0x4A, 0x00, "COMMAND PHASE ERROR"},
    199 	{0x4B, 0x00, "DATA PHASE ERROR"},
    200 	{0x4C, 0x00, "LOGICAL UNIT FAILED SELF-CONFIGURATION"},
    201 	{0x4E, 0x00, "OVERLAPPED COMMANDS ATTEMPTED"},
    202 	{0x50, 0x00, "WRITE APPEND ERROR"},
    203 	{0x50, 0x01, "WRITE APPEND POSITION ERROR"},
    204 	{0x50, 0x02, "POSITION ERROR RELATED TO TIMING"},
    205 	{0x51, 0x00, "ERASE FAILURE"},
    206 	{0x52, 0x00, "CARTRIDGE FAULT"},
    207 	{0x53, 0x00, "MEDIA LOAD OR EJECT FAILED"},
    208 	{0x53, 0x01, "UNLOAD TAPE FAILURE"},
    209 	{0x53, 0x02, "MEDIUM REMOVAL PREVENTED"},
    210 	{0x54, 0x00, "SCSI TO HOST SYSTEM INTERFACE FAILURE"},
    211 	{0x55, 0x00, "SYSTEM RESOURCE FAILURE"},
    212 	{0x57, 0x00, "UNABLE TO RECOVER TABLE-OF-CONTENTS"},
    213 	{0x58, 0x00, "GENERATION DOES NOT EXIST"},
    214 	{0x59, 0x00, "UPDATED BLOCK READ"},
    215 	{0x5A, 0x00, "OPERATOR REQUEST OR STATE CHANGE INPUT (UNSPECIFIED)"},
    216 	{0x5A, 0x01, "OPERATOR MEDIUM REMOVAL REQUEST"},
    217 	{0x5A, 0x02, "OPERATOR SELECTED WRITE PROTECT"},
    218 	{0x5A, 0x03, "OPERATOR SELECTED WRITE PERMIT"},
    219 	{0x5B, 0x00, "LOG EXCEPTION"},
    220 	{0x5B, 0x01, "THRESHOLD CONDITION MET"},
    221 	{0x5B, 0x02, "LOG COUNTER AT MAXIMUM"},
    222 	{0x5B, 0x03, "LOG LIST CODES EXHAUSTED"},
    223 	{0x5C, 0x00, "RPL STATUS CHANGE"},
    224 	{0x5C, 0x01, "SPINDLES SYNCHRONIZED"},
    225 	{0x5C, 0x02, "SPINDLES NOT SYNCHRONIZED"},
    226 	{0x60, 0x00, "LAMP FAILURE"},
    227 	{0x61, 0x00, "VIDEO ACQUISITION ERROR"},
    228 	{0x61, 0x01, "UNABLE TO ACQUIRE VIDEO"},
    229 	{0x61, 0x02, "OUT OF FOCUS"},
    230 	{0x62, 0x00, "SCAN HEAD POSITIONING ERROR"},
    231 	{0x63, 0x00, "END OF USER AREA ENCOUNTERED ON THIS TRACK"},
    232 	{0x64, 0x00, "ILLEGAL MODE FOR THIS TRACK"},
    233 	{0x00, 0x00, NULL}
    234 };
    235 
    236 /*
    237  * get_sessid:
    238  *    Get session ID. Queries Daemon for numeric ID if the user specifies
    239  *    a symbolic session name.
    240  *
    241  *    Parameter:  argc, argv (shifted)
    242  *
    243  *    Returns:    session ID if OK - else it doesn't return at all.
    244  */
    245 
    246 uint32_t
    247 get_sessid(int argc, char **argv, int optional)
    248 {
    249 	iscsid_sym_id_t sid;
    250 	iscsid_search_list_req_t srch;
    251 	iscsid_response_t *rsp;
    252 
    253 	if (!cl_get_id('I', &sid, argc, argv)) {
    254 		if (!optional) {
    255 			arg_missing("Session ID");
    256 		}
    257 		return 0;
    258 	}
    259 
    260 	if (!sid.id) {
    261 		srch.list_kind = SESSION_LIST;
    262 		srch.search_kind = FIND_NAME;
    263 		strlcpy((char *)srch.strval, (char *)sid.name, sizeof(srch.strval));
    264 		srch.intval = 0;
    265 
    266 		send_request(ISCSID_SEARCH_LIST, sizeof(srch), &srch);
    267 		rsp = get_response(FALSE);
    268 		if (rsp->status)
    269 			status_error_slist(rsp->status);
    270 
    271 		GET_SYM_ID(sid.id, rsp->parameter);
    272 		free_response(rsp);
    273 	}
    274 	return sid.id;
    275 }
    276 
    277 
    278 /*
    279  * dump_data:
    280  *    Displays the returned data in hex and ASCII format.
    281  *
    282  *    Parameter:
    283  *       title    Title text for Dump.
    284  *       buf      Buffer to dump.
    285  *       len      Number of bytes in buffer.
    286  */
    287 
    288 void
    289 dump_data(const char *title, const void *buffer, size_t len)
    290 {
    291 	const uint8_t *bp = buffer;
    292 	size_t i, nelem;
    293 
    294 	printf("%s\n", title);
    295 
    296 	while (len > 0) {
    297 		nelem = min(16, len);
    298 		printf("  ");
    299 
    300 		for (i = 0; i < nelem; i++) {
    301 			printf("%02x ", bp[i]);
    302 		}
    303 		for (i = nelem; i < 16; i++) {
    304 			printf("   ");
    305 		}
    306 		printf(" '");
    307 		for (i = 0; i < nelem; i++) {
    308 			if (i >= len)
    309 				break;
    310 			printf("%c", isprint(bp[i]) ? bp[i] : ' ');
    311 		}
    312 		printf("'\n");
    313 		if (len < 16)
    314 			break;
    315 		len -= 16;
    316 		bp += 16;
    317 	}
    318 }
    319 
    320 
    321 /*
    322  * add_asc_info:
    323  *    Examines additional sense code and qualifier, adds text to given string
    324  *    if it's in the table.
    325  *
    326  *    Parameter:
    327  *       str      The existing sense code string
    328  *       asc      Additional sense code
    329  *       ascq     Additional sense code qualifier
    330  *
    331  *    Returns: the result string.
    332  */
    333 
    334 STATIC char *
    335 add_asc_info(char *str, uint8_t asc, uint8_t ascq)
    336 {
    337 	asc_tab_t *pt;
    338 	char *bp;
    339 
    340 	for (pt = asctab; pt->key != NULL && asc >= pt->asc; pt++) {
    341 		if (asc == pt->asc && ascq == pt->ascq) {
    342 			bp = (char *)&buf[1024];
    343 			snprintf(bp, sizeof(buf) - 1024, "%s: %s",
    344 					str, pt->key);
    345 			return bp;
    346 		}
    347 	}
    348 	return str;
    349 }
    350 
    351 
    352 /*
    353  * do_ioctl:
    354  *    Executes the I/O command, evaluates the return code, and displays
    355  *    sense data if the command failed.
    356  *
    357  *    Parameter:
    358  *       io       The i/o command parameters.
    359  *
    360  *    Returns: 0 if OK, else an error code.
    361  */
    362 
    363 int
    364 do_ioctl(iscsi_iocommand_parameters_t * io, int rd)
    365 {
    366 	char	*esp;
    367 	char	 es[64];
    368 	int	 rc;
    369 
    370 	io->req.databuf = buf;
    371 	io->req.senselen = sizeof(io->req.sense);
    372 	io->req.senselen_used = 0;
    373 	io->req.flags = (rd) ? SCCMD_READ : SCCMD_WRITE;
    374 
    375 	rc = ioctl(driver, ISCSI_IO_COMMAND, io);
    376 
    377 	if (io->req.senselen_used) {
    378 		switch (io->req.sense[2] & 0x0f) {
    379 		case 0x01:
    380 			snprintf(esp = es, sizeof(es), "Recovered Error");
    381 			break;
    382 		case 0x02:
    383 			snprintf(esp = es, sizeof(es), "Not Ready");
    384 			break;
    385 		case 0x03:
    386 			snprintf(esp = es, sizeof(es), "Medium Error");
    387 			break;
    388 		case 0x04:
    389 			snprintf(esp = es, sizeof(es), "Hardware Error");
    390 			break;
    391 		case 0x05:
    392 			snprintf(esp = es, sizeof(es), "Illegal Request");
    393 			break;
    394 		case 0x06:
    395 			snprintf(esp = es, sizeof(es), "Unit Attention");
    396 			break;
    397 		case 0x07:
    398 			snprintf(esp = es, sizeof(es), "Data Protect");
    399 			break;
    400 		case 0x08:
    401 			snprintf(esp = es, sizeof(es), "Blank Check");
    402 			break;
    403 		default:
    404 			snprintf(esp = (char *)&buf[256], sizeof(buf) - 256, "Sense key 0x%x",
    405 				io->req.sense[2] & 0x0f);
    406 			break;
    407 		}
    408 		if (io->req.senselen_used >= 14) {
    409 			add_asc_info(esp, io->req.sense[12], io->req.sense[13]);
    410 		}
    411 		snprintf((char *)buf, sizeof(buf), "Sense Data (%s):", esp);
    412 		dump_data((char *)buf, io->req.sense, io->req.senselen_used);
    413 		return io->req.retsts;
    414 	}
    415 
    416 	if (io->status) {
    417 		status_error(io->status);
    418 	}
    419 	if (rc) {
    420 		io_error("I/O command");
    421 	}
    422 	return 0;
    423 }
    424 
    425 
    426 /*
    427  * inquiry:
    428  *    Handle the inquiry command.
    429  *
    430  *    Parameter:  argc, argv (shifted)
    431  *
    432  *    Returns:    0 if OK - else it doesn't return at all.
    433  */
    434 
    435 int
    436 inquiry(int argc, char **argv)
    437 {
    438 	iscsi_iocommand_parameters_t io;
    439 	char opt;
    440 	int pag, rc;
    441 
    442 	(void) memset(&io, 0x0, sizeof(io));
    443 	if ((io.session_id = get_sessid(argc, argv, FALSE)) == 0) {
    444 		return 1;
    445 	}
    446 	io.lun = cl_get_longlong('l', argc, argv);
    447 
    448 	opt = cl_get_char('d', argc, argv);
    449 	switch (opt) {
    450 	case 0:
    451 	case '0':
    452 		opt = 0;
    453 		break;
    454 
    455 	case 'p':
    456 	case 'P':
    457 		io.req.cmd[1] = 0x01;
    458 		opt = 1;
    459 		break;
    460 
    461 	case 'c':
    462 	case 'C':
    463 		io.req.cmd[1] = 0x02;
    464 		opt = 2;
    465 		break;
    466 
    467 	default:
    468 		gen_error("Invalid detail option '%c'\n", opt);
    469 	}
    470 
    471 	pag = cl_get_int('p', argc, argv);
    472 
    473 	check_extra_args(argc, argv);
    474 
    475 	io.req.cmdlen = 6;
    476 	io.req.cmd[0] = 0x12;
    477 	io.req.cmd[2] = (uint8_t) pag;
    478 	io.req.cmd[4] = 0xff;
    479 
    480 	io.req.datalen = 0xff;
    481 
    482 	if ((rc = do_ioctl(&io, TRUE)) != 0) {
    483 		return rc;
    484 	}
    485 	if (!io.req.datalen_used) {
    486 		printf("No Data!\n");
    487 		return 1;
    488 	}
    489 	dump_data("Inquiry Data:", buf, io.req.datalen_used);
    490 	return 0;
    491 }
    492 
    493 
    494 /*
    495  * read_capacity:
    496  *    Handle the read_capacity command.
    497  *
    498  *    Parameter:  argc, argv (shifted)
    499  *
    500  *    Returns:    0 if OK - else it doesn't return at all.
    501  */
    502 
    503 int
    504 read_capacity(int argc, char **argv)
    505 {
    506 	iscsi_iocommand_parameters_t io;
    507 	int rc;
    508 	uint32_t bsz;
    509 	uint64_t lbn, cap;
    510 	uint32_t n;
    511 
    512 	(void) memset(&io, 0x0, sizeof(io));
    513 	if ((io.session_id = get_sessid(argc, argv, FALSE)) == 0) {
    514 		return 1;
    515 	}
    516 	io.lun = cl_get_longlong('l', argc, argv);
    517 	check_extra_args(argc, argv);
    518 
    519 	io.req.cmdlen = 10;
    520 	io.req.cmd[0] = 0x25;
    521 
    522 	io.req.datalen = 8;
    523 
    524 	if ((rc = do_ioctl(&io, TRUE)) != 0) {
    525 		return rc;
    526 	}
    527 	(void) memcpy(&n, buf, sizeof(n));
    528 	lbn = (uint64_t)(n + 1);
    529 	(void) memcpy(&n, &buf[4], sizeof(n));
    530 	bsz = ntohl(n);
    531 	cap = lbn * bsz;
    532 	printf("Total Blocks: %" PRIu64 ", Block Size: %u, Capacity: %" PRIu64 " Bytes\n",
    533 		lbn, bsz, cap);
    534 
    535 	return 0;
    536 }
    537 
    538 
    539 /*
    540  * test_unit_ready:
    541  *    Handle the test_unit_ready command.
    542  *
    543  *    Parameter:  argc, argv (shifted)
    544  *
    545  *    Returns:    0 if OK - else it doesn't return at all.
    546  */
    547 
    548 int
    549 test_unit_ready(int argc, char **argv)
    550 {
    551 	iscsi_iocommand_parameters_t io;
    552 	int rc;
    553 
    554 	(void) memset(&io, 0x0, sizeof(io));
    555 	if ((io.session_id = get_sessid(argc, argv, FALSE)) == 0) {
    556 		return 1;
    557 	}
    558 	io.lun = cl_get_longlong('l', argc, argv);
    559 	check_extra_args(argc, argv);
    560 
    561 	io.req.cmdlen = 6;
    562 	io.req.cmd[0] = 0x00;
    563 
    564 	io.req.datalen = 0;
    565 
    566 	if ((rc = do_ioctl(&io, TRUE)) != 0) {
    567 		return rc;
    568 	}
    569 	printf("Unit is ready\n");
    570 	return 0;
    571 }
    572 
    573 
    574 /*
    575  * report_luns:
    576  *    Handle the report_luns command.
    577  *
    578  *    Parameter:  argc, argv (shifted)
    579  *
    580  *    Returns:    0 if OK - else it doesn't return at all.
    581  */
    582 
    583 int
    584 report_luns(int argc, char **argv)
    585 {
    586 	iscsi_iocommand_parameters_t io;
    587 	int rc;
    588 	size_t llen;
    589 	uint32_t n;
    590 	uint16_t n2;
    591 	uint64_t *lp;
    592 
    593 	(void) memset(&io, 0x0, sizeof(io));
    594 	if ((io.session_id = get_sessid(argc, argv, FALSE)) == 0) {
    595 		return 1;
    596 	}
    597 	check_extra_args(argc, argv);
    598 
    599 	io.req.cmdlen = 12;
    600 	io.req.cmd[0] = 0xa0;
    601 	n = htonl(sizeof(buf));
    602 	(void) memcpy(&io.req.cmd[6], &n, sizeof(n));
    603 
    604 	io.req.datalen = sizeof(buf);
    605 
    606 	if ((rc = do_ioctl(&io, TRUE)) != 0) {
    607 		return rc;
    608 	}
    609 	(void) memcpy(&n2, buf, sizeof(n2));
    610 	llen = ntohs(n2);
    611 	if (!llen) {
    612 		printf("No LUNs!\n");
    613 		return 1;
    614 	}
    615 	if (llen + 8 > sizeof(buf))
    616 		printf("Partial ");
    617 	printf("LUN List:\n");
    618 	lp = (uint64_t *)(void *) &buf[8];
    619 
    620 	for (llen = min(llen, sizeof(buf) - 8) / 8; llen; llen--) {
    621 		printf("  0x%" PRIx64 "\n", ntohq(*lp));
    622 		lp++;
    623 	}
    624 	return 0;
    625 }
    626