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scsiconf.c revision 1.156.2.3
      1 /*	$NetBSD: scsiconf.c,v 1.156.2.3 2001/08/24 00:10:47 nathanw 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/lwp.h>
     62 #include <sys/proc.h>
     63 #include <sys/kthread.h>
     64 #include <sys/malloc.h>
     65 #include <sys/device.h>
     66 #include <sys/conf.h>
     67 #include <sys/fcntl.h>
     68 #include <sys/scsiio.h>
     69 
     70 #include <dev/scsipi/scsi_all.h>
     71 #include <dev/scsipi/scsipi_all.h>
     72 #include <dev/scsipi/scsiconf.h>
     73 
     74 #include "locators.h"
     75 
     76 const struct scsipi_periphsw scsi_probe_dev = {
     77 	NULL,
     78 	NULL,
     79 	NULL,
     80 	NULL,
     81 };
     82 
     83 int	scsi_probe_device __P((struct scsibus_softc *, int, int));
     84 
     85 int	scsibusmatch __P((struct device *, struct cfdata *, void *));
     86 void	scsibusattach __P((struct device *, struct device *, void *));
     87 int	scsibusactivate __P((struct device *, enum devact));
     88 int	scsibusdetach __P((struct device *, int flags));
     89 
     90 int	scsibussubmatch __P((struct device *, struct cfdata *, void *));
     91 
     92 struct cfattach scsibus_ca = {
     93 	sizeof(struct scsibus_softc), scsibusmatch, scsibusattach,
     94 	    scsibusdetach, scsibusactivate,
     95 };
     96 
     97 extern struct cfdriver scsibus_cd;
     98 
     99 int	scsibusprint __P((void *, const char *));
    100 void	scsibus_config_interrupts __P((struct device *));
    101 
    102 cdev_decl(scsibus);
    103 
    104 const struct scsipi_bustype scsi_bustype = {
    105 	SCSIPI_BUSTYPE_SCSI,
    106 	scsi_scsipi_cmd,
    107 	scsipi_interpret_sense,
    108 	scsi_print_addr,
    109 	scsi_kill_pending,
    110 };
    111 
    112 int
    113 scsiprint(aux, pnp)
    114 	void *aux;
    115 	const char *pnp;
    116 {
    117 	struct scsipi_channel *chan = aux;
    118 	struct scsipi_adapter *adapt = chan->chan_adapter;
    119 
    120 	/* only "scsibus"es can attach to "scsi"s; easy. */
    121 	if (pnp)
    122 		printf("scsibus at %s", pnp);
    123 
    124 	/* don't print channel if the controller says there can be only one. */
    125 	if (adapt->adapt_nchannels != 1)
    126 		printf(" channel %d", chan->chan_channel);
    127 
    128 	return (UNCONF);
    129 }
    130 
    131 int
    132 scsibusmatch(parent, cf, aux)
    133 	struct device *parent;
    134 	struct cfdata *cf;
    135 	void *aux;
    136 {
    137 	struct scsipi_channel *chan = aux;
    138 
    139 	if (chan->type != BUS_SCSI)
    140 		return 0;
    141 
    142 	if (cf->cf_loc[SCSICF_CHANNEL] != chan->chan_channel &&
    143 	    cf->cf_loc[SCSICF_CHANNEL] != SCSICF_CHANNEL_DEFAULT)
    144 		return (0);
    145 
    146 	return (1);
    147 }
    148 
    149 void
    150 scsibusattach(parent, self, aux)
    151 	struct device *parent, *self;
    152 	void *aux;
    153 {
    154 	struct scsibus_softc *sc = (void *) self;
    155 	struct scsipi_channel *chan = aux;
    156 
    157 	sc->sc_channel = chan;
    158 
    159 	/* Initialize the channel structure first */
    160 	if (scsipi_channel_init(chan)) {
    161 		printf(": failed to init channel\n");
    162 		return;
    163 	}
    164 
    165 	printf(": %d targets, %d luns per target\n",
    166 	    chan->chan_ntargets, chan->chan_nluns);
    167 
    168 
    169 	/*
    170 	 * Defer configuration of the children until interrupts
    171 	 * are enabled.
    172 	 */
    173 	config_interrupts(self, scsibus_config_interrupts);
    174 }
    175 
    176 void
    177 scsibus_config_interrupts(self)
    178 	struct device *self;
    179 {
    180 	struct scsibus_softc *sc = (void *) self;
    181 
    182 #ifndef SCSI_DELAY
    183 #define SCSI_DELAY 2
    184 #endif
    185 
    186 	if ((sc->sc_channel->chan_flags & SCSIPI_CHAN_NOSETTLE) == 0 &&
    187 	    SCSI_DELAY > 0) {
    188 		printf("%s: waiting %d seconds for devices to settle...\n",
    189 		    self->dv_xname, SCSI_DELAY);
    190 		/* ...an identifier we know no one will use... */
    191 		(void) tsleep(scsibus_config_interrupts, PRIBIO,
    192 		    "scsidly", SCSI_DELAY * hz);
    193 	}
    194 
    195 	scsi_probe_bus(sc, -1, -1);
    196 }
    197 
    198 int
    199 scsibussubmatch(parent, cf, aux)
    200 	struct device *parent;
    201 	struct cfdata *cf;
    202 	void *aux;
    203 {
    204 	struct scsipibus_attach_args *sa = aux;
    205 	struct scsipi_periph *periph = sa->sa_periph;
    206 
    207 	if (cf->cf_loc[SCSIBUSCF_TARGET] != SCSIBUSCF_TARGET_DEFAULT &&
    208 	    cf->cf_loc[SCSIBUSCF_TARGET] != periph->periph_target)
    209 		return (0);
    210 	if (cf->cf_loc[SCSIBUSCF_LUN] != SCSIBUSCF_LUN_DEFAULT &&
    211 	    cf->cf_loc[SCSIBUSCF_LUN] != periph->periph_lun)
    212 		return (0);
    213 	return ((*cf->cf_attach->ca_match)(parent, cf, aux));
    214 }
    215 
    216 int
    217 scsibusactivate(self, act)
    218 	struct device *self;
    219 	enum devact act;
    220 {
    221 	struct scsibus_softc *sc = (void *) self;
    222 	struct scsipi_channel *chan = sc->sc_channel;
    223 	struct scsipi_periph *periph;
    224 	int target, lun, error = 0, s;
    225 
    226 	s = splbio();
    227 	switch (act) {
    228 	case DVACT_ACTIVATE:
    229 		error = EOPNOTSUPP;
    230 		break;
    231 
    232 	case DVACT_DEACTIVATE:
    233 		for (target = 0; target < chan->chan_ntargets;
    234 		     target++) {
    235 			if (target == chan->chan_id)
    236 				continue;
    237 			for (lun = 0; lun < chan->chan_nluns; lun++) {
    238 				periph = scsipi_lookup_periph(chan,
    239 				    target, lun);
    240 				if (periph == NULL)
    241 					continue;
    242 				error = config_deactivate(periph->periph_dev);
    243 				if (error)
    244 					goto out;
    245 			}
    246 		}
    247 		break;
    248 	}
    249  out:
    250 	splx(s);
    251 	return (error);
    252 }
    253 
    254 int
    255 scsibusdetach(self, flags)
    256 	struct device *self;
    257 	int flags;
    258 {
    259 	struct scsibus_softc *sc = (void *) self;
    260 	struct scsipi_channel *chan = sc->sc_channel;
    261 
    262 	/*
    263 	 * Shut down the channel.
    264 	 */
    265 	scsipi_channel_shutdown(chan);
    266 
    267 	/*
    268 	 * Now detach all of the periphs.
    269 	 */
    270 	return scsipi_target_detach(chan, -1, -1, flags);
    271 }
    272 
    273 /*
    274  * Probe the requested scsi bus. It must be already set up.
    275  * target and lun optionally narrow the search if not -1
    276  */
    277 int
    278 scsi_probe_bus(sc, target, lun)
    279 	struct scsibus_softc *sc;
    280 	int target, lun;
    281 {
    282 	struct scsipi_channel *chan = sc->sc_channel;
    283 	int maxtarget, mintarget, maxlun, minlun;
    284 	int error;
    285 
    286 	if (target == -1) {
    287 		maxtarget = chan->chan_ntargets - 1;
    288 		mintarget = 0;
    289 	} else {
    290 		if (target < 0 || target >= chan->chan_ntargets)
    291 			return (EINVAL);
    292 		maxtarget = mintarget = target;
    293 	}
    294 
    295 	if (lun == -1) {
    296 		maxlun = chan->chan_nluns - 1;
    297 		minlun = 0;
    298 	} else {
    299 		if (lun < 0 || lun >= chan->chan_nluns)
    300 			return (EINVAL);
    301 		maxlun = minlun = lun;
    302 	}
    303 
    304 	/*
    305 	 * Some HBAs provide an abstracted view of the bus; give them an
    306 	 * oppertunity to re-scan it before we do.
    307 	 */
    308 	if (chan->chan_adapter->adapt_ioctl != NULL)
    309 		(*chan->chan_adapter->adapt_ioctl)(chan, SCBUSIOLLSCAN, NULL,
    310 		    0, curproc->l_proc);
    311 
    312 	if ((error = scsipi_adapter_addref(chan->chan_adapter)) != 0)
    313 		return (error);
    314 	for (target = mintarget; target <= maxtarget; target++) {
    315 		if (target == chan->chan_id)
    316 			continue;
    317 		for (lun = minlun; lun <= maxlun; lun++) {
    318 			/*
    319 			 * See if there's a device present, and configure it.
    320 			 */
    321 			if (scsi_probe_device(sc, target, lun) == 0)
    322 				break;
    323 			/* otherwise something says we should look further */
    324 		}
    325 
    326 		/*
    327 		 * Now that we've discovered all of the LUNs on this
    328 		 * I_T Nexus, update the xfer mode for all of them
    329 		 * that we know about.
    330 		 */
    331 		scsipi_set_xfer_mode(chan, target, 1);
    332 	}
    333 	scsipi_adapter_delref(chan->chan_adapter);
    334 	return (0);
    335 }
    336 
    337 /*
    338  * Print out autoconfiguration information for a subdevice.
    339  *
    340  * This is a slight abuse of 'standard' autoconfiguration semantics,
    341  * because 'print' functions don't normally print the colon and
    342  * device information.  However, in this case that's better than
    343  * either printing redundant information before the attach message,
    344  * or having the device driver call a special function to print out
    345  * the standard device information.
    346  */
    347 int
    348 scsibusprint(aux, pnp)
    349 	void *aux;
    350 	const char *pnp;
    351 {
    352 	struct scsipibus_attach_args *sa = aux;
    353 	struct scsipi_inquiry_pattern *inqbuf;
    354 	u_int8_t type;
    355 	const char *dtype, *qtype;
    356 	char vendor[33], product[65], revision[17];
    357 	int target, lun;
    358 
    359 	if (pnp != NULL)
    360 		printf("%s", pnp);
    361 
    362 	inqbuf = &sa->sa_inqbuf;
    363 
    364 	target = sa->sa_periph->periph_target;
    365 	lun = sa->sa_periph->periph_lun;
    366 	type = inqbuf->type & SID_TYPE;
    367 
    368 	/*
    369 	 * Figure out basic device type and qualifier.
    370 	 */
    371 	dtype = 0;
    372 	switch (inqbuf->type & SID_QUAL) {
    373 	case SID_QUAL_LU_PRESENT:
    374 		qtype = "";
    375 		break;
    376 
    377 	case SID_QUAL_LU_NOTPRESENT:
    378 		qtype = " offline";
    379 		break;
    380 
    381 	case SID_QUAL_reserved:
    382 	case SID_QUAL_LU_NOT_SUPP:
    383 		panic("scsibusprint: impossible qualifier");
    384 
    385 	default:
    386 		qtype = "";
    387 		dtype = "vendor-unique";
    388 		break;
    389 	}
    390 	if (dtype == NULL)
    391 		dtype = scsipi_dtype(type);
    392 
    393 	scsipi_strvis(vendor, 33, inqbuf->vendor, 8);
    394 	scsipi_strvis(product, 65, inqbuf->product, 16);
    395 	scsipi_strvis(revision, 17, inqbuf->revision, 4);
    396 
    397 	printf(" target %d lun %d: <%s, %s, %s> SCSI%d %d/%s %s%s",
    398 	    target, lun, vendor, product, revision,
    399 	    sa->scsipi_info.scsi_version & SID_ANSII, type, dtype,
    400 	    inqbuf->removable ? "removable" : "fixed", qtype);
    401 
    402 	return (UNCONF);
    403 }
    404 
    405 const struct scsi_quirk_inquiry_pattern scsi_quirk_patterns[] = {
    406 	{{T_CDROM, T_REMOV,
    407 	 "CHINON  ", "CD-ROM CDS-431  ", ""},     PQUIRK_NOLUNS},
    408 	{{T_CDROM, T_REMOV,
    409 	 "Chinon  ", "CD-ROM CDS-525  ", ""},     PQUIRK_NOLUNS},
    410 	{{T_CDROM, T_REMOV,
    411 	 "CHINON  ", "CD-ROM CDS-535  ", ""},     PQUIRK_NOLUNS},
    412 	{{T_CDROM, T_REMOV,
    413 	 "DEC     ", "RRD42   (C) DEC ", ""},     PQUIRK_NOLUNS},
    414 	{{T_CDROM, T_REMOV,
    415 	 "DENON   ", "DRD-25X         ", "V"},    PQUIRK_NOLUNS},
    416 	{{T_CDROM, T_REMOV,
    417 	 "GENERIC ", "CRD-BP2         ", ""},     PQUIRK_NOLUNS},
    418 	{{T_CDROM, T_REMOV,
    419 	 "HP      ", "C4324/C4325     ", ""},     PQUIRK_NOLUNS},
    420 	{{T_CDROM, T_REMOV,
    421 	 "IMS     ", "CDD521/10       ", "2.06"}, PQUIRK_NOLUNS},
    422 	{{T_CDROM, T_REMOV,
    423 	 "MATSHITA", "CD-ROM CR-5XX   ", "1.0b"}, PQUIRK_NOLUNS},
    424 	{{T_CDROM, T_REMOV,
    425 	 "MEDAVIS ", "RENO CD-ROMX2A  ", ""},     PQUIRK_NOLUNS},
    426 	{{T_CDROM, T_REMOV,
    427 	 "MEDIAVIS", "CDR-H93MV       ", "1.3"},  PQUIRK_NOLUNS},
    428 	{{T_CDROM, T_REMOV,
    429 	 "NEC     ", "CD-ROM DRIVE:55 ", ""},     PQUIRK_NOLUNS},
    430 	{{T_CDROM, T_REMOV,
    431 	 "NEC     ", "CD-ROM DRIVE:83 ", ""},     PQUIRK_NOLUNS},
    432 	{{T_CDROM, T_REMOV,
    433 	 "NEC     ", "CD-ROM DRIVE:84 ", ""},     PQUIRK_NOLUNS},
    434 	{{T_CDROM, T_REMOV,
    435 	 "NEC     ", "CD-ROM DRIVE:841", ""},     PQUIRK_NOLUNS},
    436 	{{T_CDROM, T_REMOV,
    437 	 "PIONEER ", "CD-ROM DR-124X  ", "1.01"}, PQUIRK_NOLUNS},
    438 	{{T_CDROM, T_REMOV,
    439 	 "SONY    ", "CD-ROM CDU-541  ", ""},     PQUIRK_NOLUNS},
    440 	{{T_CDROM, T_REMOV,
    441 	 "SONY    ", "CD-ROM CDU-55S  ", ""},     PQUIRK_NOLUNS},
    442 	{{T_CDROM, T_REMOV,
    443 	 "SONY    ", "CD-ROM CDU-561  ", ""},     PQUIRK_NOLUNS},
    444 	{{T_CDROM, T_REMOV,
    445 	 "SONY    ", "CD-ROM CDU-8003A", ""},     PQUIRK_NOLUNS},
    446 	{{T_CDROM, T_REMOV,
    447 	 "SONY    ", "CD-ROM CDU-8012 ", ""},     PQUIRK_NOLUNS},
    448 	{{T_CDROM, T_REMOV,
    449 	 "TEAC    ", "CD-ROM          ", "1.06"}, PQUIRK_NOLUNS},
    450 	{{T_CDROM, T_REMOV,
    451 	 "TEAC    ", "CD-ROM CD-56S   ", "1.0B"}, PQUIRK_NOLUNS},
    452 	{{T_CDROM, T_REMOV,
    453 	 "TEXEL   ", "CD-ROM          ", "1.06"}, PQUIRK_NOLUNS},
    454 	{{T_CDROM, T_REMOV,
    455 	 "TEXEL   ", "CD-ROM DM-XX24 K", "1.09"}, PQUIRK_NOLUNS},
    456 	{{T_CDROM, T_REMOV,
    457 	 "TEXEL   ", "CD-ROM DM-XX24 K", "1.10"}, PQUIRK_NOLUNS},
    458 	{{T_CDROM, T_REMOV,
    459 	 "TOSHIBA ", "XM-4101TASUNSLCD", "1755"}, PQUIRK_NOLUNS|PQUIRK_NOSYNC},
    460 	/* "IBM CDRM00201     !F" 0724 is an IBM OEM Toshiba XM-4101BME */
    461 	{{T_CDROM, T_REMOV,
    462 	 "IBM     ", "CDRM00201     !F", "0724"}, PQUIRK_NOLUNS|PQUIRK_NOSYNC},
    463 	{{T_CDROM, T_REMOV,
    464 	 "ShinaKen", "CD-ROM DM-3x1S", "1.04"},   PQUIRK_NOLUNS},
    465 	{{T_CDROM, T_REMOV,
    466 	 "JVC     ", "R2626",            ""},     PQUIRK_NOLUNS},
    467 	{{T_CDROM, T_REMOV,
    468 	 "YAMAHA", "CRW8424S",           ""},     PQUIRK_NOLUNS},
    469 	{{T_CDROM, T_REMOV,
    470 	 "VMware", "Virtual",           "1.0"},
    471 				PQUIRK_NOSTARTUNIT|PQUIRK_NODOORLOCK},
    472 
    473 	{{T_DIRECT, T_FIXED,
    474 	 "MICROP  ", "1588-15MBSUN0669", ""},     PQUIRK_AUTOSAVE},
    475 	{{T_DIRECT, T_FIXED,
    476 	 "MICROP  ", "2217-15MQ1091501", ""},     PQUIRK_NOSYNCCACHE},
    477 	{{T_OPTICAL, T_REMOV,
    478 	 "EPSON   ", "OMD-5010        ", "3.08"}, PQUIRK_NOLUNS},
    479 	{{T_DIRECT, T_FIXED,
    480 	 "TOSHIBA ","CD-ROM XM-3401TA", "0283"},  PQUIRK_CDROM|PQUIRK_NOLUNS},
    481 	{{T_DIRECT, T_FIXED,
    482 	 "TOSHIBA ", "CD-ROM DRIVE:XM", "1971"}, PQUIRK_CDROM|PQUIRK_NOLUNS},
    483 	{{T_DIRECT, T_FIXED,
    484 	 "ADAPTEC ", "AEC-4412BD",       "1.2A"}, PQUIRK_NOMODESENSE},
    485 	{{T_DIRECT, T_FIXED,
    486 	 "DEC     ", "RZ55     (C) DEC", ""},     PQUIRK_AUTOSAVE},
    487 	{{T_DIRECT, T_FIXED,
    488 	 "EMULEX  ", "MD21/S2     ESDI", "A00"},  PQUIRK_FORCELUNS|PQUIRK_AUTOSAVE},
    489 	/* Gives non-media hardware failure in response to start-unit command */
    490 	{{T_DIRECT, T_FIXED,
    491 	 "HITACHI", "DK515C",		"CP16"},  PQUIRK_NOSTARTUNIT},
    492 	{{T_DIRECT, T_FIXED,
    493 	 "HITACHI", "DK515C",		"CP15"},  PQUIRK_NOSTARTUNIT},
    494 	{{T_DIRECT, T_FIXED,
    495 	 "HP      ", "C372",             ""},     PQUIRK_NOTAG},
    496 	{{T_DIRECT, T_FIXED,
    497 	 "IBMRAID ", "0662S",		 ""},     PQUIRK_AUTOSAVE},
    498 	{{T_DIRECT, T_FIXED,
    499 	 "IBM     ", "0663H",		 ""},     PQUIRK_AUTOSAVE},
    500 	{{T_DIRECT, T_FIXED,
    501 	 "IBM",	     "0664",		 ""},     PQUIRK_AUTOSAVE},
    502 	{{T_DIRECT, T_FIXED,
    503 	 "IBM     ", "H3171-S2",	 ""},	  PQUIRK_NOLUNS|PQUIRK_AUTOSAVE},
    504 	{{T_DIRECT, T_FIXED,
    505 	 "IBM     ", "KZ-C",		 ""},	  PQUIRK_AUTOSAVE},
    506 	/* Broken IBM disk */
    507 	{{T_DIRECT, T_FIXED,
    508 	 ""	   , "DFRSS2F",		 ""},	  PQUIRK_AUTOSAVE},
    509 	{{T_DIRECT, T_REMOV,
    510 	 "MPL     ", "MC-DISK-        ", ""},     PQUIRK_NOLUNS},
    511 	{{T_DIRECT, T_FIXED,
    512 	 "MAXTOR  ", "XT-3280         ", ""},     PQUIRK_NOLUNS},
    513 	{{T_DIRECT, T_FIXED,
    514 	 "MAXTOR  ", "XT-4380S        ", ""},     PQUIRK_NOLUNS},
    515 	{{T_DIRECT, T_FIXED,
    516 	 "MAXTOR  ", "MXT-1240S       ", ""},     PQUIRK_NOLUNS},
    517 	{{T_DIRECT, T_FIXED,
    518 	 "MAXTOR  ", "XT-4170S        ", ""},     PQUIRK_NOLUNS},
    519 	{{T_DIRECT, T_FIXED,
    520 	 "MAXTOR  ", "XT-8760S",         ""},     PQUIRK_NOLUNS},
    521 	{{T_DIRECT, T_FIXED,
    522 	 "MAXTOR  ", "LXT-213S        ", ""},     PQUIRK_NOLUNS},
    523 	{{T_DIRECT, T_FIXED,
    524 	 "MAXTOR  ", "LXT-213S SUN0207", ""},     PQUIRK_NOLUNS},
    525 	{{T_DIRECT, T_FIXED,
    526 	 "MAXTOR  ", "LXT-200S        ", ""},     PQUIRK_NOLUNS},
    527 	{{T_DIRECT, T_FIXED,
    528 	 "MEGADRV ", "EV1000",           ""},     PQUIRK_NOMODESENSE},
    529 	{{T_DIRECT, T_FIXED,
    530 	 "MST     ", "SnapLink        ", ""},     PQUIRK_NOLUNS},
    531 	{{T_DIRECT, T_FIXED,
    532 	 "NEC     ", "D3847           ", "0307"}, PQUIRK_NOLUNS},
    533 	{{T_DIRECT, T_FIXED,
    534 	 "QUANTUM ", "ELS85S          ", ""},     PQUIRK_AUTOSAVE},
    535 	{{T_DIRECT, T_FIXED,
    536 	 "QUANTUM ", "LPS525S         ", ""},     PQUIRK_NOLUNS},
    537 	{{T_DIRECT, T_FIXED,
    538 	 "QUANTUM ", "P105S 910-10-94x", ""},     PQUIRK_NOLUNS},
    539 	{{T_DIRECT, T_FIXED,
    540 	 "QUANTUM ", "PD1225S         ", ""},     PQUIRK_NOLUNS},
    541 	{{T_DIRECT, T_FIXED,
    542 	 "QUANTUM ", "PD210S   SUN0207", ""},     PQUIRK_NOLUNS},
    543 	{{T_DIRECT, T_FIXED,
    544 	 "RODIME  ", "RO3000S         ", ""},     PQUIRK_NOLUNS},
    545 	{{T_DIRECT, T_FIXED,
    546 	 "SEAGATE ", "ST125N          ", ""},     PQUIRK_NOLUNS},
    547 	{{T_DIRECT, T_FIXED,
    548 	 "SEAGATE ", "ST157N          ", ""},     PQUIRK_NOLUNS},
    549 	{{T_DIRECT, T_FIXED,
    550 	 "SEAGATE ", "ST296           ", ""},     PQUIRK_NOLUNS},
    551 	{{T_DIRECT, T_FIXED,
    552 	 "SEAGATE ", "ST296N          ", ""},     PQUIRK_NOLUNS},
    553 	{{T_DIRECT, T_FIXED,
    554 	 "SEAGATE ", "ST19171",          ""},     PQUIRK_NOMODESENSE},
    555 	{{T_DIRECT, T_FIXED,
    556 	 "SEAGATE ", "ST34501FC       ", ""},     PQUIRK_NOMODESENSE},
    557 	{{T_DIRECT, T_FIXED,
    558 	 "TOSHIBA ", "MK538FB         ", "6027"}, PQUIRK_NOLUNS},
    559 	{{T_DIRECT, T_FIXED,
    560 	 "VMware", "Virtual",           "1.0"},
    561 				PQUIRK_NOSTARTUNIT|PQUIRK_NODOORLOCK},
    562 
    563 	{{T_DIRECT, T_REMOV,
    564 	 "iomega", "jaz 1GB", 		 ""},	  PQUIRK_NOMODESENSE},
    565 	{{T_DIRECT, T_REMOV,
    566 	 "IOMEGA", "ZIP 100",		 ""},	  PQUIRK_NOMODESENSE},
    567 	{{T_DIRECT, T_REMOV,
    568 	 "IOMEGA", "ZIP 100",		 "J.03"}, PQUIRK_NOMODESENSE|PQUIRK_NOLUNS},
    569 	/* Letting the motor run kills floppy drives and disks quite fast. */
    570 	{{T_DIRECT, T_REMOV,
    571 	 "TEAC", "FC-1",		 ""},	  PQUIRK_NOSTARTUNIT},
    572 
    573 	{{T_DIRECT, T_REMOV,
    574 	 "Y-E DATA", "USB-FDU",          "3.04"}, PQUIRK_NOMODESENSE},
    575 	{{T_DIRECT, T_REMOV,
    576 	 "TEAC", "FD-05PUB",             "1026"}, PQUIRK_NOMODESENSE},
    577 
    578 	/* XXX: QIC-36 tape behind Emulex adapter.  Very broken. */
    579 	{{T_SEQUENTIAL, T_REMOV,
    580 	 "        ", "                ", "    "}, PQUIRK_NOLUNS},
    581 	{{T_SEQUENTIAL, T_REMOV,
    582 	 "CALIPER ", "CP150           ", ""},     PQUIRK_NOLUNS},
    583 	{{T_SEQUENTIAL, T_REMOV,
    584 	 "EXABYTE ", "EXB-8200        ", ""},     PQUIRK_NOLUNS},
    585 	{{T_SEQUENTIAL, T_REMOV,
    586 	 "SONY    ", "GY-10C          ", ""},     PQUIRK_NOLUNS},
    587 	{{T_SEQUENTIAL, T_REMOV,
    588 	 "SONY    ", "SDT-2000        ", "2.09"}, PQUIRK_NOLUNS},
    589 	{{T_SEQUENTIAL, T_REMOV,
    590 	 "SONY    ", "SDT-5000        ", "3."},   PQUIRK_NOSYNC|PQUIRK_NOWIDE},
    591 	{{T_SEQUENTIAL, T_REMOV,
    592 	 "SONY    ", "SDT-5200        ", "3."},   PQUIRK_NOLUNS},
    593 	{{T_SEQUENTIAL, T_REMOV,
    594 	 "TANDBERG", " TDC 3600       ", ""},     PQUIRK_NOLUNS},
    595 	/* Following entry reported as a Tandberg 3600; ref. PR1933 */
    596 	{{T_SEQUENTIAL, T_REMOV,
    597 	 "ARCHIVE ", "VIPER 150  21247", ""},     PQUIRK_NOLUNS},
    598 	/* Following entry for a Cipher ST150S; ref. PR4171 */
    599 	{{T_SEQUENTIAL, T_REMOV,
    600 	 "ARCHIVE ", "VIPER 1500 21247", "2.2G"}, PQUIRK_NOLUNS},
    601 	{{T_SEQUENTIAL, T_REMOV,
    602 	 "ARCHIVE ", "Python 28454-XXX", ""},     PQUIRK_NOLUNS},
    603 	{{T_SEQUENTIAL, T_REMOV,
    604 	 "WANGTEK ", "5099ES SCSI",      ""},     PQUIRK_NOLUNS},
    605 	{{T_SEQUENTIAL, T_REMOV,
    606 	 "WANGTEK ", "5150ES SCSI",      ""},     PQUIRK_NOLUNS},
    607 	{{T_SEQUENTIAL, T_REMOV,
    608 	 "WANGTEK ", "SCSI-36",		 ""},     PQUIRK_NOLUNS},
    609 	{{T_SEQUENTIAL, T_REMOV,
    610 	 "WangDAT ", "Model 1300      ", "02.4"}, PQUIRK_NOSYNC|PQUIRK_NOWIDE},
    611 	{{T_SEQUENTIAL, T_REMOV,
    612 	 "WangDAT ", "Model 2600      ", "01.7"}, PQUIRK_NOSYNC|PQUIRK_NOWIDE},
    613 	{{T_SEQUENTIAL, T_REMOV,
    614 	 "WangDAT ", "Model 3200      ", "02.2"}, PQUIRK_NOSYNC|PQUIRK_NOWIDE},
    615 	{{T_SEQUENTIAL, T_REMOV,
    616 	 "TEAC    ", "MT-2ST/N50      ", ""},     PQUIRK_NOLUNS},
    617 
    618 	{{T_SCANNER, T_FIXED,
    619 	 "RICOH   ", "IS60            ", "1R08"}, PQUIRK_NOLUNS},
    620 	{{T_SCANNER, T_FIXED,
    621 	 "UMAX    ", "Astra 1200S     ", "V2.9"}, PQUIRK_NOLUNS},
    622 	{{T_SCANNER, T_FIXED,
    623 	 "UMAX    ", "Astra 1220S     ", ""},     PQUIRK_NOLUNS},
    624 	{{T_SCANNER, T_FIXED,
    625 	 "UMAX    ", "UMAX S-6E       ", "V2.0"}, PQUIRK_NOLUNS},
    626 	{{T_SCANNER, T_FIXED,
    627 	 "UMAX    ", "UMAX S-12       ", "V2.1"}, PQUIRK_NOLUNS},
    628 	{{T_SCANNER, T_FIXED,
    629 	 "ULTIMA  ", "A6000C          ", ""}, PQUIRK_NOLUNS},
    630 	{{T_PROCESSOR, T_FIXED,
    631 	 "SYMBIOS", "", ""},     PQUIRK_NOLUNS},
    632 	{{T_PROCESSOR, T_FIXED,
    633 	 "LITRONIC", "PCMCIA          ", ""},     PQUIRK_NOLUNS},
    634 	{{T_CHANGER, T_REMOV,
    635 	 "SONY    ", "CDL1100         ", ""},     PQUIRK_NOLUNS},
    636 	{{T_ENCLOSURE, T_FIXED,
    637 	 "SUN     ", "SENA            ", ""}, PQUIRK_NOLUNS},
    638 };
    639 
    640 /*
    641  * given a target and lun, ask the device what
    642  * it is, and find the correct driver table
    643  * entry.
    644  */
    645 int
    646 scsi_probe_device(sc, target, lun)
    647 	struct scsibus_softc *sc;
    648 	int target, lun;
    649 {
    650 	struct scsipi_channel *chan = sc->sc_channel;
    651 	struct scsipi_periph *periph;
    652 	struct scsipi_inquiry_data inqbuf;
    653 	struct scsi_quirk_inquiry_pattern *finger;
    654 	int checkdtype, priority, docontinue, quirks;
    655 	struct scsipibus_attach_args sa;
    656 	struct cfdata *cf;
    657 
    658 	/*
    659 	 * Assume no more luns to search after this one.
    660 	 * If we successfully get Inquiry data and after
    661 	 * merging quirks we find we can probe for more
    662 	 * luns, we will.
    663 	 */
    664 	docontinue = 0;
    665 
    666 	/* Skip this slot if it is already attached. */
    667 	if (scsipi_lookup_periph(chan, target, lun) != NULL)
    668 		return (docontinue);
    669 
    670 	periph = scsipi_alloc_periph(M_NOWAIT);
    671 	if (periph == NULL) {
    672 #ifdef	DIAGNOSTIC
    673 		printf("%s: cannot allocate periph for target %d lun %d\n",
    674 		    sc->sc_dev.dv_xname, target, lun);
    675 #endif
    676 		return (ENOMEM);
    677 	}
    678 	periph->periph_channel = chan;
    679 	periph->periph_switch = &scsi_probe_dev;
    680 
    681 	periph->periph_target = target;
    682 	periph->periph_lun = lun;
    683 	periph->periph_quirks = chan->chan_defquirks;
    684 
    685 #ifdef SCSIPI_DEBUG
    686 	if (SCSIPI_DEBUG_TYPE == SCSIPI_BUSTYPE_SCSI &&
    687 	    SCSIPI_DEBUG_TARGET == target &&
    688 	    SCSIPI_DEBUG_LUN == lun)
    689 		periph->periph_dbflags |= SCSIPI_DEBUG_FLAGS;
    690 #endif
    691 
    692 	/*
    693 	 * Ask the device what it is
    694 	 */
    695 	(void) scsipi_test_unit_ready(periph,
    696 	    XS_CTL_DISCOVERY | XS_CTL_IGNORE_ILLEGAL_REQUEST |
    697 	    XS_CTL_IGNORE_NOT_READY | XS_CTL_IGNORE_MEDIA_CHANGE);
    698 
    699 #ifdef SCSI_2_DEF
    700 	/* some devices need to be told to go to SCSI2 */
    701 	/* However some just explode if you tell them this.. leave it out */
    702 	scsi_change_def(periph, XS_CTL_DISCOVERY | XS_CTL_SILENT);
    703 #endif /* SCSI_2_DEF */
    704 
    705 	/* Now go ask the device all about itself. */
    706 	memset(&inqbuf, 0, sizeof(inqbuf));
    707 	if (scsipi_inquire(periph, &inqbuf,
    708 	    XS_CTL_DISCOVERY | XS_CTL_DATA_ONSTACK) != 0)
    709 		goto bad;
    710 	{
    711 		u_int8_t *extension = &inqbuf.flags1;
    712 		int len = inqbuf.additional_length;
    713 		while (len < 3)
    714 			extension[len++] = '\0';
    715 		while (len < 3 + 28)
    716 			extension[len++] = ' ';
    717 		while (len < 3 + 28 + 20)
    718 			extension[len++] = '\0';
    719 		while (len < 3 + 28 + 20 + 1)
    720 			extension[len++] = '\0';
    721 		while (len < 3 + 28 + 20 + 1 + 1)
    722 			extension[len++] = '\0';
    723 		while (len < 3 + 28 + 20 + 1 + 1 + (8*2))
    724 			extension[len++] = ' ';
    725 	}
    726 
    727 	periph->periph_type = inqbuf.device & SID_TYPE;
    728 	if (inqbuf.dev_qual2 & SID_REMOVABLE)
    729 		periph->periph_flags |= PERIPH_REMOVABLE;
    730 	periph->periph_version = inqbuf.version & SID_ANSII;
    731 
    732 	/*
    733 	 * Any device qualifier that has the top bit set (qualifier&4 != 0)
    734 	 * is vendor specific and won't match in this switch.
    735 	 * All we do here is throw out bad/negative responses.
    736 	 */
    737 	checkdtype = 0;
    738 	switch (inqbuf.device & SID_QUAL) {
    739 	case SID_QUAL_LU_PRESENT:
    740 	case SID_QUAL_LU_NOTPRESENT:
    741 		checkdtype = 1;
    742 		break;
    743 
    744 	case SID_QUAL_reserved:
    745 	case SID_QUAL_LU_NOT_SUPP:
    746 		goto bad;
    747 
    748 	default:
    749 		break;
    750 	}
    751 
    752 	/* Let the adapter driver handle the device separatley if it wants. */
    753 	if (chan->chan_adapter->adapt_accesschk != NULL &&
    754 	    (*chan->chan_adapter->adapt_accesschk)(periph, &sa.sa_inqbuf))
    755 		goto bad;
    756 
    757 	if (checkdtype) {
    758 		switch (periph->periph_type) {
    759 		case T_DIRECT:
    760 		case T_SEQUENTIAL:
    761 		case T_PRINTER:
    762 		case T_PROCESSOR:
    763 		case T_WORM:
    764 		case T_CDROM:
    765 		case T_SCANNER:
    766 		case T_OPTICAL:
    767 		case T_CHANGER:
    768 		case T_COMM:
    769 		case T_IT8_1:
    770 		case T_IT8_2:
    771 		case T_STORARRAY:
    772 		case T_ENCLOSURE:
    773 		case T_SIMPLE_DIRECT:
    774 		case T_OPTIC_CARD_RW:
    775 		case T_OBJECT_STORED:
    776 		default:
    777 			break;
    778 		case T_NODEVICE:
    779 			goto bad;
    780 		}
    781 	}
    782 
    783 	sa.sa_periph = periph;
    784 	sa.sa_inqbuf.type = inqbuf.device;
    785 	sa.sa_inqbuf.removable = inqbuf.dev_qual2 & SID_REMOVABLE ?
    786 	    T_REMOV : T_FIXED;
    787 	sa.sa_inqbuf.vendor = inqbuf.vendor;
    788 	sa.sa_inqbuf.product = inqbuf.product;
    789 	sa.sa_inqbuf.revision = inqbuf.revision;
    790 	sa.scsipi_info.scsi_version = inqbuf.version;
    791 	sa.sa_inqptr = &inqbuf;
    792 
    793 	finger = (struct scsi_quirk_inquiry_pattern *)scsipi_inqmatch(
    794 	    &sa.sa_inqbuf, (caddr_t)scsi_quirk_patterns,
    795 	    sizeof(scsi_quirk_patterns)/sizeof(scsi_quirk_patterns[0]),
    796 	    sizeof(scsi_quirk_patterns[0]), &priority);
    797 
    798 	if (finger != NULL)
    799 		quirks = finger->quirks;
    800 	else
    801 		quirks = 0;
    802 
    803 	/*
    804 	 * Determine the operating mode capabilities of the device.
    805 	 */
    806 	if (periph->periph_version >= 2) {
    807 		if ((inqbuf.flags3 & SID_CmdQue) != 0 &&
    808 		    (quirks & PQUIRK_NOTAG) == 0)
    809 			periph->periph_cap |= PERIPH_CAP_TQING;
    810 		if ((inqbuf.flags3 & SID_Linked) != 0)
    811 			periph->periph_cap |= PERIPH_CAP_LINKCMDS;
    812 		if ((inqbuf.flags3 & SID_Sync) != 0 &&
    813 		    (quirks & PQUIRK_NOSYNC) == 0)
    814 			periph->periph_cap |= PERIPH_CAP_SYNC;
    815 		if ((inqbuf.flags3 & SID_WBus16) != 0 &&
    816 		    (quirks & PQUIRK_NOWIDE) == 0)
    817 			periph->periph_cap |= PERIPH_CAP_WIDE16;
    818 		if ((inqbuf.flags3 & SID_WBus32) != 0 &&
    819 		    (quirks & PQUIRK_NOWIDE) == 0)
    820 			periph->periph_cap |= PERIPH_CAP_WIDE32;
    821 		if ((inqbuf.flags3 & SID_SftRe) != 0)
    822 			periph->periph_cap |= PERIPH_CAP_SFTRESET;
    823 		if ((inqbuf.flags3 & SID_RelAdr) != 0)
    824 			periph->periph_cap |= PERIPH_CAP_RELADR;
    825 	}
    826 
    827 	/*
    828 	 * Now apply any quirks from the table.
    829 	 */
    830 	periph->periph_quirks |= quirks;
    831 	if (periph->periph_version == 0 &&
    832 	    (periph->periph_quirks & PQUIRK_FORCELUNS) == 0)
    833 		periph->periph_quirks |= PQUIRK_NOLUNS;
    834 
    835 	if (periph->periph_quirks & PQUIRK_CDROM) {
    836 		periph->periph_quirks ^= PQUIRK_CDROM;
    837 		inqbuf.dev_qual2 |= SID_REMOVABLE;
    838 		sa.sa_inqbuf.type = inqbuf.device = ((inqbuf.device & ~SID_REMOVABLE) | T_CDROM);
    839 		sa.sa_inqbuf.removable = T_REMOV;
    840 	}
    841 
    842 	if ((periph->periph_quirks & PQUIRK_NOLUNS) == 0)
    843 		docontinue = 1;
    844 
    845 	if ((cf = config_search(scsibussubmatch, &sc->sc_dev, &sa)) != NULL) {
    846 		scsipi_insert_periph(chan, periph);
    847 		/*
    848 		 * XXX Can't assign periph_dev here, because we'll
    849 		 * XXX need it before config_attach() returns.  Must
    850 		 * XXX assign it in periph driver.
    851 		 */
    852 		(void) config_attach(&sc->sc_dev, cf, &sa, scsibusprint);
    853 	} else {
    854 		scsibusprint(&sa, sc->sc_dev.dv_xname);
    855 		printf(" not configured\n");
    856 		goto bad;
    857 	}
    858 
    859 	return (docontinue);
    860 
    861 bad:
    862 	free(periph, M_DEVBUF);
    863 	return (docontinue);
    864 }
    865 
    866 /****** Entry points for user control of the SCSI bus. ******/
    867 
    868 int
    869 scsibusopen(dev, flag, fmt, p)
    870 	dev_t dev;
    871 	int flag, fmt;
    872 	struct proc *p;
    873 {
    874 	struct scsibus_softc *sc;
    875 	int error, unit = minor(dev);
    876 
    877 	if (unit >= scsibus_cd.cd_ndevs ||
    878 	    (sc = scsibus_cd.cd_devs[unit]) == NULL)
    879 		return (ENXIO);
    880 
    881 	if (sc->sc_flags & SCSIBUSF_OPEN)
    882 		return (EBUSY);
    883 
    884 	if ((error = scsipi_adapter_addref(sc->sc_channel->chan_adapter)) != 0)
    885 		return (error);
    886 
    887 	sc->sc_flags |= SCSIBUSF_OPEN;
    888 
    889 	return (0);
    890 }
    891 
    892 int
    893 scsibusclose(dev, flag, fmt, p)
    894 	dev_t dev;
    895 	int flag, fmt;
    896 	struct proc *p;
    897 {
    898 	struct scsibus_softc *sc = scsibus_cd.cd_devs[minor(dev)];
    899 
    900 	scsipi_adapter_delref(sc->sc_channel->chan_adapter);
    901 
    902 	sc->sc_flags &= ~SCSIBUSF_OPEN;
    903 
    904 	return (0);
    905 }
    906 
    907 int
    908 scsibusioctl(dev, cmd, addr, flag, p)
    909 	dev_t dev;
    910 	u_long cmd;
    911 	caddr_t addr;
    912 	int flag;
    913 	struct proc *p;
    914 {
    915 	struct scsibus_softc *sc = scsibus_cd.cd_devs[minor(dev)];
    916 	struct scsipi_channel *chan = sc->sc_channel;
    917 	int error;
    918 
    919 	/*
    920 	 * Enforce write permission for ioctls that change the
    921 	 * state of the bus.  Host adapter specific ioctls must
    922 	 * be checked by the adapter driver.
    923 	 */
    924 	switch (cmd) {
    925 	case SCBUSIOSCAN:
    926 	case SCBUSIODETACH:
    927 	case SCBUSIORESET:
    928 		if ((flag & FWRITE) == 0)
    929 			return (EBADF);
    930 	}
    931 
    932 	switch (cmd) {
    933 	case SCBUSIOSCAN:
    934 	    {
    935 		struct scbusioscan_args *a =
    936 		    (struct scbusioscan_args *)addr;
    937 
    938 		error = scsi_probe_bus(sc, a->sa_target, a->sa_lun);
    939 		break;
    940 	    }
    941 
    942 	case SCBUSIODETACH:
    943 	    {
    944 		struct scbusiodetach_args *a =
    945 		    (struct scbusiodetach_args *)addr;
    946 
    947 		error = scsipi_target_detach(chan, a->sa_target, a->sa_lun, 0);
    948 		break;
    949 	    }
    950 
    951 
    952 	case SCBUSIORESET:
    953 		/* FALLTHROUGH */
    954 	default:
    955 		if (chan->chan_adapter->adapt_ioctl == NULL)
    956 			error = ENOTTY;
    957 		else
    958 			error = (*chan->chan_adapter->adapt_ioctl)(chan,
    959 			    cmd, addr, flag, p);
    960 		break;
    961 	}
    962 
    963 	return (error);
    964 }
    965