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scsiconf.c revision 1.163
      1 /*	$NetBSD: scsiconf.c,v 1.163 2001/10/21 23:25:04 mjl Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1998, 1999 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  * Originally written by Julian Elischer (julian (at) tfs.com)
     42  * for TRW Financial Systems for use under the MACH(2.5) operating system.
     43  *
     44  * TRW Financial Systems, in accordance with their agreement with Carnegie
     45  * Mellon University, makes this software available to CMU to distribute
     46  * or use in any manner that they see fit as long as this message is kept with
     47  * the software. For this reason TFS also grants any other persons or
     48  * organisations permission to use or modify this software.
     49  *
     50  * TFS supplies this software to be publicly redistributed
     51  * on the understanding that TFS is not responsible for the correct
     52  * functioning of this software in any circumstances.
     53  *
     54  * Ported to run under 386BSD by Julian Elischer (julian (at) tfs.com) Sept 1992
     55  */
     56 
     57 #include <sys/types.h>
     58 #include <sys/param.h>
     59 #include <sys/systm.h>
     60 #include <sys/kernel.h>
     61 #include <sys/proc.h>
     62 #include <sys/kthread.h>
     63 #include <sys/malloc.h>
     64 #include <sys/device.h>
     65 #include <sys/conf.h>
     66 #include <sys/fcntl.h>
     67 #include <sys/scsiio.h>
     68 
     69 #include <dev/scsipi/scsi_all.h>
     70 #include <dev/scsipi/scsipi_all.h>
     71 #include <dev/scsipi/scsiconf.h>
     72 
     73 #include "locators.h"
     74 
     75 const struct scsipi_periphsw scsi_probe_dev = {
     76 	NULL,
     77 	NULL,
     78 	NULL,
     79 	NULL,
     80 };
     81 
     82 int	scsi_probe_device __P((struct scsibus_softc *, int, int));
     83 
     84 int	scsibusmatch __P((struct device *, struct cfdata *, void *));
     85 void	scsibusattach __P((struct device *, struct device *, void *));
     86 int	scsibusactivate __P((struct device *, enum devact));
     87 int	scsibusdetach __P((struct device *, int flags));
     88 
     89 int	scsibussubmatch __P((struct device *, struct cfdata *, void *));
     90 
     91 struct cfattach scsibus_ca = {
     92 	sizeof(struct scsibus_softc), scsibusmatch, scsibusattach,
     93 	    scsibusdetach, scsibusactivate,
     94 };
     95 
     96 extern struct cfdriver scsibus_cd;
     97 
     98 int	scsibusprint __P((void *, const char *));
     99 void	scsibus_config_interrupts __P((struct device *));
    100 
    101 cdev_decl(scsibus);
    102 
    103 const struct scsipi_bustype scsi_bustype = {
    104 	SCSIPI_BUSTYPE_SCSI,
    105 	scsi_scsipi_cmd,
    106 	scsipi_interpret_sense,
    107 	scsi_print_addr,
    108 	scsi_kill_pending,
    109 };
    110 
    111 int
    112 scsiprint(aux, pnp)
    113 	void *aux;
    114 	const char *pnp;
    115 {
    116 	struct scsipi_channel *chan = aux;
    117 	struct scsipi_adapter *adapt = chan->chan_adapter;
    118 
    119 	/* only "scsibus"es can attach to "scsi"s; easy. */
    120 	if (pnp)
    121 		printf("scsibus at %s", pnp);
    122 
    123 	/* don't print channel if the controller says there can be only one. */
    124 	if (adapt->adapt_nchannels != 1)
    125 		printf(" channel %d", chan->chan_channel);
    126 
    127 	return (UNCONF);
    128 }
    129 
    130 int
    131 scsibusmatch(parent, cf, aux)
    132 	struct device *parent;
    133 	struct cfdata *cf;
    134 	void *aux;
    135 {
    136 	struct scsipi_channel *chan = aux;
    137 
    138 	if (chan->type != BUS_SCSI)
    139 		return 0;
    140 
    141 	if (cf->cf_loc[SCSICF_CHANNEL] != chan->chan_channel &&
    142 	    cf->cf_loc[SCSICF_CHANNEL] != SCSICF_CHANNEL_DEFAULT)
    143 		return (0);
    144 
    145 	return (1);
    146 }
    147 
    148 void
    149 scsibusattach(parent, self, aux)
    150 	struct device *parent, *self;
    151 	void *aux;
    152 {
    153 	struct scsibus_softc *sc = (void *) self;
    154 	struct scsipi_channel *chan = aux;
    155 
    156 	sc->sc_channel = chan;
    157 
    158 	/* Initialize the channel structure first */
    159 	if (scsipi_channel_init(chan)) {
    160 		printf(": failed to init channel\n");
    161 		return;
    162 	}
    163 
    164 	printf(": %d targets, %d luns per target\n",
    165 	    chan->chan_ntargets, chan->chan_nluns);
    166 
    167 
    168 	/*
    169 	 * Defer configuration of the children until interrupts
    170 	 * are enabled.
    171 	 */
    172 	config_interrupts(self, scsibus_config_interrupts);
    173 }
    174 
    175 void
    176 scsibus_config_interrupts(self)
    177 	struct device *self;
    178 {
    179 	struct scsibus_softc *sc = (void *) self;
    180 
    181 #ifndef SCSI_DELAY
    182 #define SCSI_DELAY 2
    183 #endif
    184 
    185 	if ((sc->sc_channel->chan_flags & SCSIPI_CHAN_NOSETTLE) == 0 &&
    186 	    SCSI_DELAY > 0) {
    187 		printf("%s: waiting %d seconds for devices to settle...\n",
    188 		    self->dv_xname, SCSI_DELAY);
    189 		/* ...an identifier we know no one will use... */
    190 		(void) tsleep(scsibus_config_interrupts, PRIBIO,
    191 		    "scsidly", SCSI_DELAY * hz);
    192 	}
    193 
    194 	scsi_probe_bus(sc, -1, -1);
    195 }
    196 
    197 int
    198 scsibussubmatch(parent, cf, aux)
    199 	struct device *parent;
    200 	struct cfdata *cf;
    201 	void *aux;
    202 {
    203 	struct scsipibus_attach_args *sa = aux;
    204 	struct scsipi_periph *periph = sa->sa_periph;
    205 
    206 	if (cf->cf_loc[SCSIBUSCF_TARGET] != SCSIBUSCF_TARGET_DEFAULT &&
    207 	    cf->cf_loc[SCSIBUSCF_TARGET] != periph->periph_target)
    208 		return (0);
    209 	if (cf->cf_loc[SCSIBUSCF_LUN] != SCSIBUSCF_LUN_DEFAULT &&
    210 	    cf->cf_loc[SCSIBUSCF_LUN] != periph->periph_lun)
    211 		return (0);
    212 	return ((*cf->cf_attach->ca_match)(parent, cf, aux));
    213 }
    214 
    215 int
    216 scsibusactivate(self, act)
    217 	struct device *self;
    218 	enum devact act;
    219 {
    220 	struct scsibus_softc *sc = (void *) self;
    221 	struct scsipi_channel *chan = sc->sc_channel;
    222 	struct scsipi_periph *periph;
    223 	int target, lun, error = 0, s;
    224 
    225 	s = splbio();
    226 	switch (act) {
    227 	case DVACT_ACTIVATE:
    228 		error = EOPNOTSUPP;
    229 		break;
    230 
    231 	case DVACT_DEACTIVATE:
    232 		for (target = 0; target < chan->chan_ntargets;
    233 		     target++) {
    234 			if (target == chan->chan_id)
    235 				continue;
    236 			for (lun = 0; lun < chan->chan_nluns; lun++) {
    237 				periph = scsipi_lookup_periph(chan,
    238 				    target, lun);
    239 				if (periph == NULL)
    240 					continue;
    241 				error = config_deactivate(periph->periph_dev);
    242 				if (error)
    243 					goto out;
    244 			}
    245 		}
    246 		break;
    247 	}
    248  out:
    249 	splx(s);
    250 	return (error);
    251 }
    252 
    253 int
    254 scsibusdetach(self, flags)
    255 	struct device *self;
    256 	int flags;
    257 {
    258 	struct scsibus_softc *sc = (void *) self;
    259 	struct scsipi_channel *chan = sc->sc_channel;
    260 
    261 	/*
    262 	 * Shut down the channel.
    263 	 */
    264 	scsipi_channel_shutdown(chan);
    265 
    266 	/*
    267 	 * Now detach all of the periphs.
    268 	 */
    269 	return scsipi_target_detach(chan, -1, -1, flags);
    270 }
    271 
    272 /*
    273  * Probe the requested scsi bus. It must be already set up.
    274  * target and lun optionally narrow the search if not -1
    275  */
    276 int
    277 scsi_probe_bus(sc, target, lun)
    278 	struct scsibus_softc *sc;
    279 	int target, lun;
    280 {
    281 	struct scsipi_channel *chan = sc->sc_channel;
    282 	int maxtarget, mintarget, maxlun, minlun;
    283 	int error;
    284 
    285 	if (target == -1) {
    286 		maxtarget = chan->chan_ntargets - 1;
    287 		mintarget = 0;
    288 	} else {
    289 		if (target < 0 || target >= chan->chan_ntargets)
    290 			return (EINVAL);
    291 		maxtarget = mintarget = target;
    292 	}
    293 
    294 	if (lun == -1) {
    295 		maxlun = chan->chan_nluns - 1;
    296 		minlun = 0;
    297 	} else {
    298 		if (lun < 0 || lun >= chan->chan_nluns)
    299 			return (EINVAL);
    300 		maxlun = minlun = lun;
    301 	}
    302 
    303 	/*
    304 	 * Some HBAs provide an abstracted view of the bus; give them an
    305 	 * oppertunity to re-scan it before we do.
    306 	 */
    307 	if (chan->chan_adapter->adapt_ioctl != NULL)
    308 		(*chan->chan_adapter->adapt_ioctl)(chan, SCBUSIOLLSCAN, NULL,
    309 		    0, curproc);
    310 
    311 	if ((error = scsipi_adapter_addref(chan->chan_adapter)) != 0)
    312 		return (error);
    313 	for (target = mintarget; target <= maxtarget; target++) {
    314 		if (target == chan->chan_id)
    315 			continue;
    316 		for (lun = minlun; lun <= maxlun; lun++) {
    317 			/*
    318 			 * See if there's a device present, and configure it.
    319 			 */
    320 			if (scsi_probe_device(sc, target, lun) == 0)
    321 				break;
    322 			/* otherwise something says we should look further */
    323 		}
    324 
    325 		/*
    326 		 * Now that we've discovered all of the LUNs on this
    327 		 * I_T Nexus, update the xfer mode for all of them
    328 		 * that we know about.
    329 		 */
    330 		scsipi_set_xfer_mode(chan, target, 1);
    331 	}
    332 	scsipi_adapter_delref(chan->chan_adapter);
    333 	return (0);
    334 }
    335 
    336 /*
    337  * Print out autoconfiguration information for a subdevice.
    338  *
    339  * This is a slight abuse of 'standard' autoconfiguration semantics,
    340  * because 'print' functions don't normally print the colon and
    341  * device information.  However, in this case that's better than
    342  * either printing redundant information before the attach message,
    343  * or having the device driver call a special function to print out
    344  * the standard device information.
    345  */
    346 int
    347 scsibusprint(aux, pnp)
    348 	void *aux;
    349 	const char *pnp;
    350 {
    351 	struct scsipibus_attach_args *sa = aux;
    352 	struct scsipi_inquiry_pattern *inqbuf;
    353 	u_int8_t type;
    354 	const char *dtype, *qtype;
    355 	char vendor[33], product[65], revision[17];
    356 	int target, lun;
    357 
    358 	if (pnp != NULL)
    359 		printf("%s", pnp);
    360 
    361 	inqbuf = &sa->sa_inqbuf;
    362 
    363 	target = sa->sa_periph->periph_target;
    364 	lun = sa->sa_periph->periph_lun;
    365 	type = inqbuf->type & SID_TYPE;
    366 
    367 	/*
    368 	 * Figure out basic device type and qualifier.
    369 	 */
    370 	dtype = 0;
    371 	switch (inqbuf->type & SID_QUAL) {
    372 	case SID_QUAL_LU_PRESENT:
    373 		qtype = "";
    374 		break;
    375 
    376 	case SID_QUAL_LU_NOTPRESENT:
    377 		qtype = " offline";
    378 		break;
    379 
    380 	case SID_QUAL_reserved:
    381 	case SID_QUAL_LU_NOT_SUPP:
    382 		panic("scsibusprint: impossible qualifier");
    383 
    384 	default:
    385 		qtype = "";
    386 		dtype = "vendor-unique";
    387 		break;
    388 	}
    389 	if (dtype == NULL)
    390 		dtype = scsipi_dtype(type);
    391 
    392 	scsipi_strvis(vendor, 33, inqbuf->vendor, 8);
    393 	scsipi_strvis(product, 65, inqbuf->product, 16);
    394 	scsipi_strvis(revision, 17, inqbuf->revision, 4);
    395 
    396 	printf(" target %d lun %d: <%s, %s, %s> SCSI%d %d/%s %s%s",
    397 	    target, lun, vendor, product, revision,
    398 	    sa->scsipi_info.scsi_version & SID_ANSII, type, dtype,
    399 	    inqbuf->removable ? "removable" : "fixed", qtype);
    400 
    401 	return (UNCONF);
    402 }
    403 
    404 const struct scsi_quirk_inquiry_pattern scsi_quirk_patterns[] = {
    405 	{{T_CDROM, T_REMOV,
    406 	 "CHINON  ", "CD-ROM CDS-431  ", ""},     PQUIRK_NOLUNS},
    407 	{{T_CDROM, T_REMOV,
    408 	 "Chinon  ", "CD-ROM CDS-525  ", ""},     PQUIRK_NOLUNS},
    409 	{{T_CDROM, T_REMOV,
    410 	 "CHINON  ", "CD-ROM CDS-535  ", ""},     PQUIRK_NOLUNS},
    411 	{{T_CDROM, T_REMOV,
    412 	 "DEC     ", "RRD42   (C) DEC ", ""},     PQUIRK_NOLUNS},
    413 	{{T_CDROM, T_REMOV,
    414 	 "DENON   ", "DRD-25X         ", "V"},    PQUIRK_NOLUNS},
    415 	{{T_CDROM, T_REMOV,
    416 	 "GENERIC ", "CRD-BP2         ", ""},     PQUIRK_NOLUNS},
    417 	{{T_CDROM, T_REMOV,
    418 	 "HP      ", "C4324/C4325     ", ""},     PQUIRK_NOLUNS},
    419 	{{T_CDROM, T_REMOV,
    420 	 "IMS     ", "CDD521/10       ", "2.06"}, PQUIRK_NOLUNS},
    421 	{{T_CDROM, T_REMOV,
    422 	 "MATSHITA", "CD-ROM CR-5XX   ", "1.0b"}, PQUIRK_NOLUNS},
    423 	{{T_CDROM, T_REMOV,
    424 	 "MEDAVIS ", "RENO CD-ROMX2A  ", ""},     PQUIRK_NOLUNS},
    425 	{{T_CDROM, T_REMOV,
    426 	 "MEDIAVIS", "CDR-H93MV       ", "1.3"},  PQUIRK_NOLUNS},
    427 	{{T_CDROM, T_REMOV,
    428 	 "NEC     ", "CD-ROM DRIVE:55 ", ""},     PQUIRK_NOLUNS},
    429 	{{T_CDROM, T_REMOV,
    430 	 "NEC     ", "CD-ROM DRIVE:83 ", ""},     PQUIRK_NOLUNS},
    431 	{{T_CDROM, T_REMOV,
    432 	 "NEC     ", "CD-ROM DRIVE:84 ", ""},     PQUIRK_NOLUNS},
    433 	{{T_CDROM, T_REMOV,
    434 	 "NEC     ", "CD-ROM DRIVE:841", ""},     PQUIRK_NOLUNS},
    435 	{{T_CDROM, T_REMOV,
    436 	 "PIONEER ", "CD-ROM DR-124X  ", "1.01"}, PQUIRK_NOLUNS},
    437 	{{T_CDROM, T_REMOV,
    438 	 "SONY    ", "CD-ROM CDU-541  ", ""},     PQUIRK_NOLUNS},
    439 	{{T_CDROM, T_REMOV,
    440 	 "SONY    ", "CD-ROM CDU-55S  ", ""},     PQUIRK_NOLUNS},
    441 	{{T_CDROM, T_REMOV,
    442 	 "SONY    ", "CD-ROM CDU-561  ", ""},     PQUIRK_NOLUNS},
    443 	{{T_CDROM, T_REMOV,
    444 	 "SONY    ", "CD-ROM CDU-8003A", ""},     PQUIRK_NOLUNS},
    445 	{{T_CDROM, T_REMOV,
    446 	 "SONY    ", "CD-ROM CDU-8012 ", ""},     PQUIRK_NOLUNS},
    447 	{{T_CDROM, T_REMOV,
    448 	 "TEAC    ", "CD-ROM          ", "1.06"}, PQUIRK_NOLUNS},
    449 	{{T_CDROM, T_REMOV,
    450 	 "TEAC    ", "CD-ROM CD-56S   ", "1.0B"}, PQUIRK_NOLUNS},
    451 	{{T_CDROM, T_REMOV,
    452 	 "TEXEL   ", "CD-ROM          ", "1.06"}, PQUIRK_NOLUNS},
    453 	{{T_CDROM, T_REMOV,
    454 	 "TEXEL   ", "CD-ROM DM-XX24 K", "1.09"}, PQUIRK_NOLUNS},
    455 	{{T_CDROM, T_REMOV,
    456 	 "TEXEL   ", "CD-ROM DM-XX24 K", "1.10"}, PQUIRK_NOLUNS},
    457 	{{T_CDROM, T_REMOV,
    458 	 "TOSHIBA ", "XM-4101TASUNSLCD", "1755"}, PQUIRK_NOLUNS|PQUIRK_NOSYNC},
    459 	/* "IBM CDRM00201     !F" 0724 is an IBM OEM Toshiba XM-4101BME */
    460 	{{T_CDROM, T_REMOV,
    461 	 "IBM     ", "CDRM00201     !F", "0724"}, PQUIRK_NOLUNS|PQUIRK_NOSYNC},
    462 	{{T_CDROM, T_REMOV,
    463 	 "ShinaKen", "CD-ROM DM-3x1S", "1.04"},   PQUIRK_NOLUNS},
    464 	{{T_CDROM, T_REMOV,
    465 	 "JVC     ", "R2626",            ""},     PQUIRK_NOLUNS},
    466 	{{T_CDROM, T_REMOV,
    467 	 "YAMAHA", "CRW8424S",           ""},     PQUIRK_NOLUNS},
    468 	{{T_CDROM, T_REMOV,
    469 	 "VMware", "Virtual",           "1.0"},
    470 				PQUIRK_NOSTARTUNIT|PQUIRK_NODOORLOCK},
    471 
    472 	{{T_DIRECT, T_FIXED,
    473 	 "MICROP  ", "1588-15MBSUN0669", ""},     PQUIRK_AUTOSAVE},
    474 	{{T_DIRECT, T_FIXED,
    475 	 "MICROP  ", "2217-15MQ1091501", ""},     PQUIRK_NOSYNCCACHE},
    476 	{{T_OPTICAL, T_REMOV,
    477 	 "EPSON   ", "OMD-5010        ", "3.08"}, PQUIRK_NOLUNS},
    478 	{{T_DIRECT, T_FIXED,
    479 	 "TOSHIBA ","CD-ROM XM-3401TA", "0283"},  PQUIRK_CDROM|PQUIRK_NOLUNS},
    480 	{{T_DIRECT, T_FIXED,
    481 	 "TOSHIBA ", "CD-ROM DRIVE:XM", "1971"}, PQUIRK_CDROM|PQUIRK_NOLUNS},
    482 	{{T_DIRECT, T_FIXED,
    483 	 "ADAPTEC ", "AEC-4412BD",       "1.2A"}, PQUIRK_NOMODESENSE},
    484 	{{T_DIRECT, T_FIXED,
    485 	 "DEC     ", "RZ55     (C) DEC", ""},     PQUIRK_AUTOSAVE},
    486 	{{T_DIRECT, T_FIXED,
    487 	 "EMULEX  ", "MD21/S2     ESDI", "A00"},  PQUIRK_FORCELUNS|PQUIRK_AUTOSAVE},
    488 	/* Gives non-media hardware failure in response to start-unit command */
    489 	{{T_DIRECT, T_FIXED,
    490 	 "HITACHI", "DK515C",		"CP16"},  PQUIRK_NOSTARTUNIT},
    491 	{{T_DIRECT, T_FIXED,
    492 	 "HITACHI", "DK515C",		"CP15"},  PQUIRK_NOSTARTUNIT},
    493 	{{T_DIRECT, T_FIXED,
    494 	 "MICROP",  "1548-15MZ1077801", "HZ2P"},  PQUIRK_NOTAG},
    495 	{{T_DIRECT, T_FIXED,
    496 	 "HP      ", "C372",             ""},     PQUIRK_NOTAG},
    497 	{{T_DIRECT, T_FIXED,
    498 	 "IBMRAID ", "0662S",		 ""},     PQUIRK_AUTOSAVE},
    499 	{{T_DIRECT, T_FIXED,
    500 	 "IBM     ", "0663H",		 ""},     PQUIRK_AUTOSAVE},
    501 	{{T_DIRECT, T_FIXED,
    502 	 "IBM",	     "0664",		 ""},     PQUIRK_AUTOSAVE},
    503 	{{T_DIRECT, T_FIXED,
    504 	 "IBM     ", "H3171-S2",	 ""},	  PQUIRK_NOLUNS|PQUIRK_AUTOSAVE},
    505 	{{T_DIRECT, T_FIXED,
    506 	 "IBM     ", "KZ-C",		 ""},	  PQUIRK_AUTOSAVE},
    507 	/* Broken IBM disk */
    508 	{{T_DIRECT, T_FIXED,
    509 	 ""	   , "DFRSS2F",		 ""},	  PQUIRK_AUTOSAVE},
    510 	{{T_DIRECT, T_REMOV,
    511 	 "MPL     ", "MC-DISK-        ", ""},     PQUIRK_NOLUNS},
    512 	{{T_DIRECT, T_FIXED,
    513 	 "MAXTOR  ", "XT-3280         ", ""},     PQUIRK_NOLUNS},
    514 	{{T_DIRECT, T_FIXED,
    515 	 "MAXTOR  ", "XT-4380S        ", ""},     PQUIRK_NOLUNS},
    516 	{{T_DIRECT, T_FIXED,
    517 	 "MAXTOR  ", "MXT-1240S       ", ""},     PQUIRK_NOLUNS},
    518 	{{T_DIRECT, T_FIXED,
    519 	 "MAXTOR  ", "XT-4170S        ", ""},     PQUIRK_NOLUNS},
    520 	{{T_DIRECT, T_FIXED,
    521 	 "MAXTOR  ", "XT-8760S",         ""},     PQUIRK_NOLUNS},
    522 	{{T_DIRECT, T_FIXED,
    523 	 "MAXTOR  ", "LXT-213S        ", ""},     PQUIRK_NOLUNS},
    524 	{{T_DIRECT, T_FIXED,
    525 	 "MAXTOR  ", "LXT-213S SUN0207", ""},     PQUIRK_NOLUNS},
    526 	{{T_DIRECT, T_FIXED,
    527 	 "MAXTOR  ", "LXT-200S        ", ""},     PQUIRK_NOLUNS},
    528 	{{T_DIRECT, T_FIXED,
    529 	 "MEGADRV ", "EV1000",           ""},     PQUIRK_NOMODESENSE},
    530 	{{T_DIRECT, T_FIXED,
    531 	 "MST     ", "SnapLink        ", ""},     PQUIRK_NOLUNS},
    532 	{{T_DIRECT, T_FIXED,
    533 	 "NEC     ", "D3847           ", "0307"}, PQUIRK_NOLUNS},
    534 	{{T_DIRECT, T_FIXED,
    535 	 "QUANTUM ", "ELS85S          ", ""},     PQUIRK_AUTOSAVE},
    536 	{{T_DIRECT, T_FIXED,
    537 	 "QUANTUM ", "LPS525S         ", ""},     PQUIRK_NOLUNS},
    538 	{{T_DIRECT, T_FIXED,
    539 	 "QUANTUM ", "P105S 910-10-94x", ""},     PQUIRK_NOLUNS},
    540 	{{T_DIRECT, T_FIXED,
    541 	 "QUANTUM ", "PD1225S         ", ""},     PQUIRK_NOLUNS},
    542 	{{T_DIRECT, T_FIXED,
    543 	 "QUANTUM ", "PD210S   SUN0207", ""},     PQUIRK_NOLUNS},
    544 	{{T_DIRECT, T_FIXED,
    545 	 "RODIME  ", "RO3000S         ", ""},     PQUIRK_NOLUNS},
    546 	{{T_DIRECT, T_FIXED,
    547 	 "SEAGATE ", "ST125N          ", ""},     PQUIRK_NOLUNS},
    548 	{{T_DIRECT, T_FIXED,
    549 	 "SEAGATE ", "ST157N          ", ""},     PQUIRK_NOLUNS},
    550 	{{T_DIRECT, T_FIXED,
    551 	 "SEAGATE ", "ST296           ", ""},     PQUIRK_NOLUNS},
    552 	{{T_DIRECT, T_FIXED,
    553 	 "SEAGATE ", "ST296N          ", ""},     PQUIRK_NOLUNS},
    554 	{{T_DIRECT, T_FIXED,
    555 	 "SEAGATE ", "ST15150N        ", ""},     PQUIRK_NOTAG},
    556 	{{T_DIRECT, T_FIXED,
    557 	 "SEAGATE ", "ST19171",          ""},     PQUIRK_NOMODESENSE},
    558 	{{T_DIRECT, T_FIXED,
    559 	 "SEAGATE ", "ST34501FC       ", ""},     PQUIRK_NOMODESENSE},
    560 	{{T_DIRECT, T_FIXED,
    561 	 "TOSHIBA ", "MK538FB         ", "6027"}, PQUIRK_NOLUNS},
    562 	{{T_DIRECT, T_FIXED,
    563 	 "VMware", "Virtual",           "1.0"},
    564 				PQUIRK_NOSTARTUNIT|PQUIRK_NODOORLOCK},
    565 
    566 	{{T_DIRECT, T_REMOV,
    567 	 "iomega", "jaz 1GB", 		 ""},	  PQUIRK_NOMODESENSE},
    568 	{{T_DIRECT, T_REMOV,
    569 	 "IOMEGA", "ZIP 100",		 ""},	  PQUIRK_NOMODESENSE},
    570 	{{T_DIRECT, T_REMOV,
    571 	 "IOMEGA", "ZIP 100",		 "J.03"}, PQUIRK_NOMODESENSE|PQUIRK_NOLUNS},
    572 	/* Letting the motor run kills floppy drives and disks quite fast. */
    573 	{{T_DIRECT, T_REMOV,
    574 	 "TEAC", "FC-1",		 ""},	  PQUIRK_NOSTARTUNIT},
    575 
    576 	{{T_DIRECT, T_REMOV,
    577 	 "Y-E DATA", "USB-FDU",          "3.04"}, PQUIRK_NOMODESENSE},
    578 	{{T_DIRECT, T_REMOV,
    579 	 "TEAC", "FD-05PUB",             "1026"}, PQUIRK_NOMODESENSE},
    580 	{{T_DIRECT, T_REMOV,
    581 	 "M-Sys", "DiskOnKey",           "2.01"}, PQUIRK_NOMODESENSE
    582 	      | PQUIRK_NODOORLOCK | PQUIRK_ONLYBIG | PQUIRK_NOBIGMODESENSE},
    583 
    584 	/* XXX: QIC-36 tape behind Emulex adapter.  Very broken. */
    585 	{{T_SEQUENTIAL, T_REMOV,
    586 	 "        ", "                ", "    "}, PQUIRK_NOLUNS},
    587 	{{T_SEQUENTIAL, T_REMOV,
    588 	 "CALIPER ", "CP150           ", ""},     PQUIRK_NOLUNS},
    589 	{{T_SEQUENTIAL, T_REMOV,
    590 	 "EXABYTE ", "EXB-8200        ", ""},     PQUIRK_NOLUNS},
    591 	{{T_SEQUENTIAL, T_REMOV,
    592 	 "SONY    ", "GY-10C          ", ""},     PQUIRK_NOLUNS},
    593 	{{T_SEQUENTIAL, T_REMOV,
    594 	 "SONY    ", "SDT-2000        ", "2.09"}, PQUIRK_NOLUNS},
    595 	{{T_SEQUENTIAL, T_REMOV,
    596 	 "SONY    ", "SDT-5000        ", "3."},   PQUIRK_NOSYNC|PQUIRK_NOWIDE},
    597 	{{T_SEQUENTIAL, T_REMOV,
    598 	 "SONY    ", "SDT-5200        ", "3."},   PQUIRK_NOLUNS},
    599 	{{T_SEQUENTIAL, T_REMOV,
    600 	 "TANDBERG", " TDC 3600       ", ""},     PQUIRK_NOLUNS},
    601 	/* Following entry reported as a Tandberg 3600; ref. PR1933 */
    602 	{{T_SEQUENTIAL, T_REMOV,
    603 	 "ARCHIVE ", "VIPER 150  21247", ""},     PQUIRK_NOLUNS},
    604 	/* Following entry for a Cipher ST150S; ref. PR4171 */
    605 	{{T_SEQUENTIAL, T_REMOV,
    606 	 "ARCHIVE ", "VIPER 1500 21247", "2.2G"}, PQUIRK_NOLUNS},
    607 	{{T_SEQUENTIAL, T_REMOV,
    608 	 "ARCHIVE ", "Python 28454-XXX", ""},     PQUIRK_NOLUNS},
    609 	{{T_SEQUENTIAL, T_REMOV,
    610 	 "WANGTEK ", "5099ES SCSI",      ""},     PQUIRK_NOLUNS},
    611 	{{T_SEQUENTIAL, T_REMOV,
    612 	 "WANGTEK ", "5150ES SCSI",      ""},     PQUIRK_NOLUNS},
    613 	{{T_SEQUENTIAL, T_REMOV,
    614 	 "WANGTEK ", "SCSI-36",		 ""},     PQUIRK_NOLUNS},
    615 	{{T_SEQUENTIAL, T_REMOV,
    616 	 "WangDAT ", "Model 1300      ", "02.4"}, PQUIRK_NOSYNC|PQUIRK_NOWIDE},
    617 	{{T_SEQUENTIAL, T_REMOV,
    618 	 "WangDAT ", "Model 2600      ", "01.7"}, PQUIRK_NOSYNC|PQUIRK_NOWIDE},
    619 	{{T_SEQUENTIAL, T_REMOV,
    620 	 "WangDAT ", "Model 3200      ", "02.2"}, PQUIRK_NOSYNC|PQUIRK_NOWIDE},
    621 	{{T_SEQUENTIAL, T_REMOV,
    622 	 "TEAC    ", "MT-2ST/N50      ", ""},     PQUIRK_NOLUNS},
    623 
    624 	{{T_SCANNER, T_FIXED,
    625 	 "RICOH   ", "IS60            ", "1R08"}, PQUIRK_NOLUNS},
    626 	{{T_SCANNER, T_FIXED,
    627 	 "UMAX    ", "Astra 1200S     ", "V2.9"}, PQUIRK_NOLUNS},
    628 	{{T_SCANNER, T_FIXED,
    629 	 "UMAX    ", "Astra 1220S     ", ""},     PQUIRK_NOLUNS},
    630 	{{T_SCANNER, T_FIXED,
    631 	 "UMAX    ", "UMAX S-6E       ", "V2.0"}, PQUIRK_NOLUNS},
    632 	{{T_SCANNER, T_FIXED,
    633 	 "UMAX    ", "UMAX S-12       ", "V2.1"}, PQUIRK_NOLUNS},
    634 	{{T_SCANNER, T_FIXED,
    635 	 "ULTIMA  ", "A6000C          ", ""}, PQUIRK_NOLUNS},
    636 	{{T_PROCESSOR, T_FIXED,
    637 	 "SYMBIOS", "", ""},     PQUIRK_NOLUNS},
    638 	{{T_PROCESSOR, T_FIXED,
    639 	 "LITRONIC", "PCMCIA          ", ""},     PQUIRK_NOLUNS},
    640 	{{T_CHANGER, T_REMOV,
    641 	 "SONY    ", "CDL1100         ", ""},     PQUIRK_NOLUNS},
    642 	{{T_ENCLOSURE, T_FIXED,
    643 	 "SUN     ", "SENA            ", ""}, PQUIRK_NOLUNS},
    644 };
    645 
    646 /*
    647  * given a target and lun, ask the device what
    648  * it is, and find the correct driver table
    649  * entry.
    650  */
    651 int
    652 scsi_probe_device(sc, target, lun)
    653 	struct scsibus_softc *sc;
    654 	int target, lun;
    655 {
    656 	struct scsipi_channel *chan = sc->sc_channel;
    657 	struct scsipi_periph *periph;
    658 	struct scsipi_inquiry_data inqbuf;
    659 	struct scsi_quirk_inquiry_pattern *finger;
    660 	int checkdtype, priority, docontinue, quirks;
    661 	struct scsipibus_attach_args sa;
    662 	struct cfdata *cf;
    663 
    664 	/*
    665 	 * Assume no more luns to search after this one.
    666 	 * If we successfully get Inquiry data and after
    667 	 * merging quirks we find we can probe for more
    668 	 * luns, we will.
    669 	 */
    670 	docontinue = 0;
    671 
    672 	/* Skip this slot if it is already attached. */
    673 	if (scsipi_lookup_periph(chan, target, lun) != NULL)
    674 		return (docontinue);
    675 
    676 	periph = scsipi_alloc_periph(M_NOWAIT);
    677 	if (periph == NULL) {
    678 #ifdef	DIAGNOSTIC
    679 		printf("%s: cannot allocate periph for target %d lun %d\n",
    680 		    sc->sc_dev.dv_xname, target, lun);
    681 #endif
    682 		return (ENOMEM);
    683 	}
    684 	periph->periph_channel = chan;
    685 	periph->periph_switch = &scsi_probe_dev;
    686 
    687 	periph->periph_target = target;
    688 	periph->periph_lun = lun;
    689 	periph->periph_quirks = chan->chan_defquirks;
    690 
    691 #ifdef SCSIPI_DEBUG
    692 	if (SCSIPI_DEBUG_TYPE == SCSIPI_BUSTYPE_SCSI &&
    693 	    SCSIPI_DEBUG_TARGET == target &&
    694 	    SCSIPI_DEBUG_LUN == lun)
    695 		periph->periph_dbflags |= SCSIPI_DEBUG_FLAGS;
    696 #endif
    697 
    698 	/*
    699 	 * Ask the device what it is
    700 	 */
    701 	(void) scsipi_test_unit_ready(periph,
    702 	    XS_CTL_DISCOVERY | XS_CTL_IGNORE_ILLEGAL_REQUEST |
    703 	    XS_CTL_IGNORE_NOT_READY | XS_CTL_IGNORE_MEDIA_CHANGE);
    704 
    705 #ifdef SCSI_2_DEF
    706 	/* some devices need to be told to go to SCSI2 */
    707 	/* However some just explode if you tell them this.. leave it out */
    708 	scsi_change_def(periph, XS_CTL_DISCOVERY | XS_CTL_SILENT);
    709 #endif /* SCSI_2_DEF */
    710 
    711 	/* Now go ask the device all about itself. */
    712 	memset(&inqbuf, 0, sizeof(inqbuf));
    713 	if (scsipi_inquire(periph, &inqbuf,
    714 	    XS_CTL_DISCOVERY | XS_CTL_DATA_ONSTACK) != 0)
    715 		goto bad;
    716 	{
    717 		u_int8_t *extension = &inqbuf.flags1;
    718 		int len = inqbuf.additional_length;
    719 		while (len < 3)
    720 			extension[len++] = '\0';
    721 		while (len < 3 + 28)
    722 			extension[len++] = ' ';
    723 		while (len < 3 + 28 + 20)
    724 			extension[len++] = '\0';
    725 		while (len < 3 + 28 + 20 + 1)
    726 			extension[len++] = '\0';
    727 		while (len < 3 + 28 + 20 + 1 + 1)
    728 			extension[len++] = '\0';
    729 		while (len < 3 + 28 + 20 + 1 + 1 + (8*2))
    730 			extension[len++] = ' ';
    731 	}
    732 
    733 	periph->periph_type = inqbuf.device & SID_TYPE;
    734 	if (inqbuf.dev_qual2 & SID_REMOVABLE)
    735 		periph->periph_flags |= PERIPH_REMOVABLE;
    736 	periph->periph_version = inqbuf.version & SID_ANSII;
    737 
    738 	/*
    739 	 * Any device qualifier that has the top bit set (qualifier&4 != 0)
    740 	 * is vendor specific and won't match in this switch.
    741 	 * All we do here is throw out bad/negative responses.
    742 	 */
    743 	checkdtype = 0;
    744 	switch (inqbuf.device & SID_QUAL) {
    745 	case SID_QUAL_LU_PRESENT:
    746 	case SID_QUAL_LU_NOTPRESENT:
    747 		checkdtype = 1;
    748 		break;
    749 
    750 	case SID_QUAL_reserved:
    751 	case SID_QUAL_LU_NOT_SUPP:
    752 		goto bad;
    753 
    754 	default:
    755 		break;
    756 	}
    757 
    758 	/* Let the adapter driver handle the device separatley if it wants. */
    759 	if (chan->chan_adapter->adapt_accesschk != NULL &&
    760 	    (*chan->chan_adapter->adapt_accesschk)(periph, &sa.sa_inqbuf))
    761 		goto bad;
    762 
    763 	if (checkdtype) {
    764 		switch (periph->periph_type) {
    765 		case T_DIRECT:
    766 		case T_SEQUENTIAL:
    767 		case T_PRINTER:
    768 		case T_PROCESSOR:
    769 		case T_WORM:
    770 		case T_CDROM:
    771 		case T_SCANNER:
    772 		case T_OPTICAL:
    773 		case T_CHANGER:
    774 		case T_COMM:
    775 		case T_IT8_1:
    776 		case T_IT8_2:
    777 		case T_STORARRAY:
    778 		case T_ENCLOSURE:
    779 		case T_SIMPLE_DIRECT:
    780 		case T_OPTIC_CARD_RW:
    781 		case T_OBJECT_STORED:
    782 		default:
    783 			break;
    784 		case T_NODEVICE:
    785 			goto bad;
    786 		}
    787 	}
    788 
    789 	sa.sa_periph = periph;
    790 	sa.sa_inqbuf.type = inqbuf.device;
    791 	sa.sa_inqbuf.removable = inqbuf.dev_qual2 & SID_REMOVABLE ?
    792 	    T_REMOV : T_FIXED;
    793 	sa.sa_inqbuf.vendor = inqbuf.vendor;
    794 	sa.sa_inqbuf.product = inqbuf.product;
    795 	sa.sa_inqbuf.revision = inqbuf.revision;
    796 	sa.scsipi_info.scsi_version = inqbuf.version;
    797 	sa.sa_inqptr = &inqbuf;
    798 
    799 	finger = (struct scsi_quirk_inquiry_pattern *)scsipi_inqmatch(
    800 	    &sa.sa_inqbuf, (caddr_t)scsi_quirk_patterns,
    801 	    sizeof(scsi_quirk_patterns)/sizeof(scsi_quirk_patterns[0]),
    802 	    sizeof(scsi_quirk_patterns[0]), &priority);
    803 
    804 	if (finger != NULL)
    805 		quirks = finger->quirks;
    806 	else
    807 		quirks = 0;
    808 
    809 	/*
    810 	 * Determine the operating mode capabilities of the device.
    811 	 */
    812 	if (periph->periph_version >= 2) {
    813 		if ((inqbuf.flags3 & SID_CmdQue) != 0 &&
    814 		    (quirks & PQUIRK_NOTAG) == 0)
    815 			periph->periph_cap |= PERIPH_CAP_TQING;
    816 		if ((inqbuf.flags3 & SID_Linked) != 0)
    817 			periph->periph_cap |= PERIPH_CAP_LINKCMDS;
    818 		if ((inqbuf.flags3 & SID_Sync) != 0 &&
    819 		    (quirks & PQUIRK_NOSYNC) == 0)
    820 			periph->periph_cap |= PERIPH_CAP_SYNC;
    821 		if ((inqbuf.flags3 & SID_WBus16) != 0 &&
    822 		    (quirks & PQUIRK_NOWIDE) == 0)
    823 			periph->periph_cap |= PERIPH_CAP_WIDE16;
    824 		if ((inqbuf.flags3 & SID_WBus32) != 0 &&
    825 		    (quirks & PQUIRK_NOWIDE) == 0)
    826 			periph->periph_cap |= PERIPH_CAP_WIDE32;
    827 		if ((inqbuf.flags3 & SID_SftRe) != 0)
    828 			periph->periph_cap |= PERIPH_CAP_SFTRESET;
    829 		if ((inqbuf.flags3 & SID_RelAdr) != 0)
    830 			periph->periph_cap |= PERIPH_CAP_RELADR;
    831 	}
    832 
    833 	/*
    834 	 * Now apply any quirks from the table.
    835 	 */
    836 	periph->periph_quirks |= quirks;
    837 	if (periph->periph_version == 0 &&
    838 	    (periph->periph_quirks & PQUIRK_FORCELUNS) == 0)
    839 		periph->periph_quirks |= PQUIRK_NOLUNS;
    840 
    841 	if (periph->periph_quirks & PQUIRK_CDROM) {
    842 		periph->periph_quirks ^= PQUIRK_CDROM;
    843 		inqbuf.dev_qual2 |= SID_REMOVABLE;
    844 		sa.sa_inqbuf.type = inqbuf.device = ((inqbuf.device & ~SID_REMOVABLE) | T_CDROM);
    845 		sa.sa_inqbuf.removable = T_REMOV;
    846 	}
    847 
    848 	if ((periph->periph_quirks & PQUIRK_NOLUNS) == 0)
    849 		docontinue = 1;
    850 
    851 	if ((cf = config_search(scsibussubmatch, &sc->sc_dev, &sa)) != NULL) {
    852 		scsipi_insert_periph(chan, periph);
    853 		/*
    854 		 * XXX Can't assign periph_dev here, because we'll
    855 		 * XXX need it before config_attach() returns.  Must
    856 		 * XXX assign it in periph driver.
    857 		 */
    858 		(void) config_attach(&sc->sc_dev, cf, &sa, scsibusprint);
    859 	} else {
    860 		scsibusprint(&sa, sc->sc_dev.dv_xname);
    861 		printf(" not configured\n");
    862 		goto bad;
    863 	}
    864 
    865 	return (docontinue);
    866 
    867 bad:
    868 	free(periph, M_DEVBUF);
    869 	return (docontinue);
    870 }
    871 
    872 /****** Entry points for user control of the SCSI bus. ******/
    873 
    874 int
    875 scsibusopen(dev, flag, fmt, p)
    876 	dev_t dev;
    877 	int flag, fmt;
    878 	struct proc *p;
    879 {
    880 	struct scsibus_softc *sc;
    881 	int error, unit = minor(dev);
    882 
    883 	if (unit >= scsibus_cd.cd_ndevs ||
    884 	    (sc = scsibus_cd.cd_devs[unit]) == NULL)
    885 		return (ENXIO);
    886 
    887 	if (sc->sc_flags & SCSIBUSF_OPEN)
    888 		return (EBUSY);
    889 
    890 	if ((error = scsipi_adapter_addref(sc->sc_channel->chan_adapter)) != 0)
    891 		return (error);
    892 
    893 	sc->sc_flags |= SCSIBUSF_OPEN;
    894 
    895 	return (0);
    896 }
    897 
    898 int
    899 scsibusclose(dev, flag, fmt, p)
    900 	dev_t dev;
    901 	int flag, fmt;
    902 	struct proc *p;
    903 {
    904 	struct scsibus_softc *sc = scsibus_cd.cd_devs[minor(dev)];
    905 
    906 	scsipi_adapter_delref(sc->sc_channel->chan_adapter);
    907 
    908 	sc->sc_flags &= ~SCSIBUSF_OPEN;
    909 
    910 	return (0);
    911 }
    912 
    913 int
    914 scsibusioctl(dev, cmd, addr, flag, p)
    915 	dev_t dev;
    916 	u_long cmd;
    917 	caddr_t addr;
    918 	int flag;
    919 	struct proc *p;
    920 {
    921 	struct scsibus_softc *sc = scsibus_cd.cd_devs[minor(dev)];
    922 	struct scsipi_channel *chan = sc->sc_channel;
    923 	int error;
    924 
    925 	/*
    926 	 * Enforce write permission for ioctls that change the
    927 	 * state of the bus.  Host adapter specific ioctls must
    928 	 * be checked by the adapter driver.
    929 	 */
    930 	switch (cmd) {
    931 	case SCBUSIOSCAN:
    932 	case SCBUSIODETACH:
    933 	case SCBUSIORESET:
    934 		if ((flag & FWRITE) == 0)
    935 			return (EBADF);
    936 	}
    937 
    938 	switch (cmd) {
    939 	case SCBUSIOSCAN:
    940 	    {
    941 		struct scbusioscan_args *a =
    942 		    (struct scbusioscan_args *)addr;
    943 
    944 		error = scsi_probe_bus(sc, a->sa_target, a->sa_lun);
    945 		break;
    946 	    }
    947 
    948 	case SCBUSIODETACH:
    949 	    {
    950 		struct scbusiodetach_args *a =
    951 		    (struct scbusiodetach_args *)addr;
    952 
    953 		error = scsipi_target_detach(chan, a->sa_target, a->sa_lun, 0);
    954 		break;
    955 	    }
    956 
    957 
    958 	case SCBUSIORESET:
    959 		/* FALLTHROUGH */
    960 	default:
    961 		if (chan->chan_adapter->adapt_ioctl == NULL)
    962 			error = ENOTTY;
    963 		else
    964 			error = (*chan->chan_adapter->adapt_ioctl)(chan,
    965 			    cmd, addr, flag, p);
    966 		break;
    967 	}
    968 
    969 	return (error);
    970 }
    971