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NetBSD/sys/dev/scsipi/scsiconf.c

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/* $NetBSD: scsiconf.c,v 1.76 1997/03/27 07:37:54 scottr Exp $ */
/*
* Copyright (c) 1994 Charles Hannum. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Charles Hannum.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* Originally written by Julian Elischer (julian@tfs.com)
* for TRW Financial Systems for use under the MACH(2.5) operating system.
*
* TRW Financial Systems, in accordance with their agreement with Carnegie
* Mellon University, makes this software available to CMU to distribute
* or use in any manner that they see fit as long as this message is kept with
* the software. For this reason TFS also grants any other persons or
* organisations permission to use or modify this software.
*
* TFS supplies this software to be publicly redistributed
* on the understanding that TFS is not responsible for the correct
* functioning of this software in any circumstances.
*
* Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992
*/
#include <sys/types.h>
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/malloc.h>
#include <sys/device.h>
#include <scsi/scsi_all.h>
#include <scsi/scsiconf.h>
#if 0
#if NCALS > 0
{ T_PROCESSOR, T_FIXED, 1,
0, 0, 0 },
#endif /* NCALS */
#if NBLL > 0
{ T_PROCESSOR, T_FIXED, 1,
"AEG ", "READER ", "V1.0" },
#endif /* NBLL */
#if NKIL > 0
{ T_SCANNER, T_FIXED, 0,
"KODAK ", "IL Scanner 900 ", 0 },
#endif /* NKIL */
#endif
/*
* Declarations
*/
void scsi_probedev __P((struct scsibus_softc *, int, int));
int scsi_probe_bus __P((int bus, int target, int lun));
struct scsi_device probe_switch = {
NULL,
NULL,
NULL,
NULL,
};
#ifdef __BROKEN_INDIRECT_CONFIG
int scsibusmatch __P((struct device *, void *, void *));
#else
int scsibusmatch __P((struct device *, struct cfdata *, void *));
#endif
void scsibusattach __P((struct device *, struct device *, void *));
#ifdef __BROKEN_INDIRECT_CONFIG
int scsibussubmatch __P((struct device *, void *, void *));
#else
int scsibussubmatch __P((struct device *, struct cfdata *, void *));
#endif
struct cfattach scsibus_ca = {
sizeof(struct scsibus_softc), scsibusmatch, scsibusattach
};
struct cfdriver scsibus_cd = {
NULL, "scsibus", DV_DULL
};
int scsibusprint __P((void *, const char *));
int
scsiprint(aux, pnp)
void *aux;
const char *pnp;
{
struct scsi_link *l = aux;
/* only "scsibus"es can attach to "scsi"s; easy. */
if (pnp)
printf("scsibus at %s", pnp);
/* don't print channel if the controller says there can be only one. */
if (l->channel != SCSI_CHANNEL_ONLY_ONE)
printf(" channel %d", l->channel);
return (UNCONF);
}
int
#ifdef __BROKEN_INDIRECT_CONFIG
scsibusmatch(parent, match, aux)
#else
scsibusmatch(parent, cf, aux)
#endif
struct device *parent;
#ifdef __BROKEN_INDIRECT_CONFIG
void *match;
#else
struct cfdata *cf;
#endif
void *aux;
{
#ifdef __BROKEN_INDIRECT_CONFIG
struct cfdata *cf = match;
#endif
struct scsi_link *l = aux;
int channel;
/*
* Allow single-channel controllers to specify their channel
* in a special way, so that it's not printed.
*/
channel = (l->channel != SCSI_CHANNEL_ONLY_ONE) ? l->channel : 0;
if (cf->scsicf_channel != channel &&
cf->scsicf_channel != SCSI_CHANNEL_UNKNOWN)
return (0);
return (1);
}
/*
* The routine called by the adapter boards to get all their
* devices configured in.
*/
void
scsibusattach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct scsibus_softc *sb = (struct scsibus_softc *)self;
struct scsi_link *sc_link_proto = aux;
size_t nbytes;
int i;
sc_link_proto->scsibus = sb->sc_dev.dv_unit;
sb->adapter_link = sc_link_proto;
sb->sc_maxtarget = sc_link_proto->max_target;
printf(": %d targets\n", sb->sc_maxtarget + 1);
nbytes = sb->sc_maxtarget * sizeof(struct scsi_link **);
sb->sc_link = (struct scsi_link ***)malloc(nbytes, M_DEVBUF,
M_NOWAIT);
if (sb->sc_link == NULL)
panic("scsibusattach: can't allocate target links");
nbytes = 8 * sizeof(struct scsi_link *);
for (i = 0; i <= sb->sc_maxtarget; i++) {
sb->sc_link[i] = (struct scsi_link **)malloc(nbytes,
M_DEVBUF, M_NOWAIT);
if (sb->sc_link[i] == NULL)
panic("scsibusattach: can't allocate lun links");
bzero(sb->sc_link[i], nbytes);
}
#if defined(SCSI_DELAY) && SCSI_DELAY > 2
printf("%s: waiting for scsi devices to settle\n",
sb->sc_dev.dv_xname);
#else /* SCSI_DELAY > 2 */
#undef SCSI_DELAY
#define SCSI_DELAY 2
#endif /* SCSI_DELAY */
delay(1000000 * SCSI_DELAY);
scsi_probe_bus(sb->sc_dev.dv_unit, -1, -1);
}
int
#ifdef __BROKEN_INDIRECT_CONFIG
scsibussubmatch(parent, match, aux)
#else
scsibussubmatch(parent, cf, aux)
#endif
struct device *parent;
#ifdef __BROKEN_INDIRECT_CONFIG
void *match;
#else
struct cfdata *cf;
#endif
void *aux;
{
#ifdef __BROKEN_INDIRECT_CONFIG
struct cfdata *cf = match;
#endif
struct scsibus_attach_args *sa = aux;
struct scsi_link *sc_link = sa->sa_sc_link;
if (cf->cf_loc[0] != -1 && cf->cf_loc[0] != sc_link->target)
return 0;
if (cf->cf_loc[1] != -1 && cf->cf_loc[1] != sc_link->lun)
return 0;
return ((*cf->cf_attach->ca_match)(parent, cf, aux));
}
/*
* Probe the requested scsi bus. It must be already set up.
* -1 requests all set up scsi busses.
* target and lun optionally narrow the search if not -1
*/
int
scsi_probe_busses(bus, target, lun)
int bus, target, lun;
{
if (bus == -1) {
for (bus = 0; bus < scsibus_cd.cd_ndevs; bus++)
if (scsibus_cd.cd_devs[bus])
scsi_probe_bus(bus, target, lun);
return 0;
} else {
return scsi_probe_bus(bus, target, lun);
}
}
/*
* Probe the requested scsi bus. It must be already set up.
* target and lun optionally narrow the search if not -1
*/
int
scsi_probe_bus(bus, target, lun)
int bus, target, lun;
{
struct scsibus_softc *scsi;
int maxtarget, mintarget, maxlun, minlun;
u_int8_t scsi_addr;
if (bus < 0 || bus >= scsibus_cd.cd_ndevs)
return ENXIO;
scsi = scsibus_cd.cd_devs[bus];
if (!scsi)
return ENXIO;
scsi_addr = scsi->adapter_link->adapter_target;
if (target == -1) {
maxtarget = scsi->sc_maxtarget;
mintarget = 0;
} else {
if (target < 0 || target > scsi->sc_maxtarget)
return EINVAL;
maxtarget = mintarget = target;
}
if (lun == -1) {
maxlun = 7;
minlun = 0;
} else {
if (lun < 0 || lun > 7)
return EINVAL;
maxlun = minlun = lun;
}
for (target = mintarget; target <= maxtarget; target++) {
if (target == scsi_addr)
continue;
for (lun = minlun; lun <= maxlun; lun++) {
/*
* See if there's a device present, and configure it.
*/
scsi_probedev(scsi, target, lun);
if ((scsi->moreluns & (1 << target)) == 0)
break;
/* otherwise something says we should look further */
}
}
return 0;
}
void
scsi_strvis(dst, src, len)
u_char *dst, *src;
int len;
{
/* Trim leading and trailing blanks and NULs. */
while (len > 0 && (src[0] == ' ' || src[0] == '\0'))
++src, --len;
while (len > 0 && (src[len-1] == ' ' || src[len-1] == '\0'))
--len;
while (len > 0) {
if (*src < 0x20 || *src >= 0x80) {
/* non-printable characters */
*dst++ = '\\';
*dst++ = ((*src & 0300) >> 6) + '0';
*dst++ = ((*src & 0070) >> 3) + '0';
*dst++ = ((*src & 0007) >> 0) + '0';
} else if (*src == '\\') {
/* quote characters */
*dst++ = '\\';
*dst++ = '\\';
} else {
/* normal characters */
*dst++ = *src;
}
++src, --len;
}
*dst++ = 0;
}
struct scsi_quirk_inquiry_pattern {
struct scsi_inquiry_pattern pattern;
u_int8_t quirks;
};
struct scsi_quirk_inquiry_pattern scsi_quirk_patterns[] = {
{{T_CDROM, T_REMOV,
"CHINON ", "CD-ROM CDS-431 ", ""}, SDEV_NOLUNS},
{{T_CDROM, T_REMOV,
"Chinon ", "CD-ROM CDS-525 ", ""}, SDEV_NOLUNS},
{{T_CDROM, T_REMOV,
"CHINON ", "CD-ROM CDS-535 ", ""}, SDEV_NOLUNS},
{{T_CDROM, T_REMOV,
"DENON ", "DRD-25X ", "V"}, SDEV_NOLUNS},
{{T_CDROM, T_REMOV,
"IMS ", "CDD521/10 ", "2.06"}, SDEV_NOLUNS},
{{T_CDROM, T_REMOV,
"MATSHITA", "CD-ROM CR-5XX ", "1.0b"}, SDEV_NOLUNS},
{{T_CDROM, T_REMOV,
"MEDIAVIS", "CDR-H93MV ", "1.31"}, SDEV_NOLUNS},
{{T_CDROM, T_REMOV,
"NEC ", "CD-ROM DRIVE:55 ", ""}, SDEV_NOLUNS},
{{T_CDROM, T_REMOV,
"NEC ", "CD-ROM DRIVE:83 ", ""}, SDEV_NOLUNS},
{{T_CDROM, T_REMOV,
"NEC ", "CD-ROM DRIVE:84 ", ""}, SDEV_NOLUNS},
{{T_CDROM, T_REMOV,
"NEC ", "CD-ROM DRIVE:841", ""}, SDEV_NOLUNS},
{{T_CDROM, T_REMOV,
"PIONEER ", "CD-ROM DR-124X ", "1.01"}, SDEV_NOLUNS},
{{T_CDROM, T_REMOV,
"SONY ", "CD-ROM CDU-541 ", ""}, SDEV_NOLUNS},
{{T_CDROM, T_REMOV,
"SONY ", "CD-ROM CDU-55S ", ""}, SDEV_NOLUNS},
{{T_CDROM, T_REMOV,
"SONY ", "CD-ROM CDU-8003A", ""}, SDEV_NOLUNS},
{{T_CDROM, T_REMOV,
"SONY ", "CD-ROM CDU-8012 ", ""}, SDEV_NOLUNS},
{{T_CDROM, T_REMOV,
"TEAC ", "CD-ROM ", "1.06"}, SDEV_NOLUNS},
{{T_CDROM, T_REMOV,
"TEAC ", "CD-ROM CD-56S ", "1.0B"}, SDEV_NOLUNS},
{{T_CDROM, T_REMOV,
"TEXEL ", "CD-ROM ", "1.06"}, SDEV_NOLUNS},
{{T_CDROM, T_REMOV,
"TEXEL ", "CD-ROM DM-XX24 K", "1.10"}, SDEV_NOLUNS},
{{T_CDROM, T_REMOV,
"ShinaKen", "CD-ROM DM-3x1S", "1.04"}, SDEV_NOLUNS},
{{T_OPTICAL, T_REMOV,
"EPSON ", "OMD-5010 ", "3.08"}, SDEV_NOLUNS},
{{T_DIRECT, T_FIXED,
"DEC ", "RZ55 (C) DEC", ""}, SDEV_AUTOSAVE},
{{T_DIRECT, T_FIXED,
"EMULEX ", "MD21/S2 ESDI", "A00"}, SDEV_FORCELUNS},
{{T_DIRECT, T_FIXED,
"IBM ", "0663H08", ""}, SDEV_AUTOSAVE},
{{T_DIRECT, T_FIXED,
"IBM ", "0663H12", ""}, SDEV_AUTOSAVE},
{{T_DIRECT, T_FIXED,
"MAXTOR ", "XT-3280 ", ""}, SDEV_NOLUNS},
{{T_DIRECT, T_FIXED,
"MAXTOR ", "XT-4380S ", ""}, SDEV_NOLUNS},
{{T_DIRECT, T_FIXED,
"MAXTOR ", "MXT-1240S ", ""}, SDEV_NOLUNS},
{{T_DIRECT, T_FIXED,
"MAXTOR ", "XT-4170S ", ""}, SDEV_NOLUNS},
{{T_DIRECT, T_FIXED,
"MAXTOR ", "XT-8760S", ""}, SDEV_NOLUNS},
{{T_DIRECT, T_FIXED,
"MAXTOR ", "LXT-213S ", ""}, SDEV_NOLUNS},
{{T_DIRECT, T_FIXED,
"MAXTOR ", "LXT-213S SUN0207", ""}, SDEV_NOLUNS},
{{T_DIRECT, T_FIXED,
"MAXTOR ", "LXT-200S ", ""}, SDEV_NOLUNS},
{{T_DIRECT, T_FIXED,
"MST ", "SnapLink ", ""}, SDEV_NOLUNS},
{{T_DIRECT, T_FIXED,
"NEC ", "D3847 ", "0307"}, SDEV_NOLUNS},
{{T_DIRECT, T_FIXED,
"QUANTUM ", "LPS525S ", ""}, SDEV_NOLUNS},
{{T_DIRECT, T_FIXED,
"QUANTUM ", "P105S 910-10-94x", ""}, SDEV_NOLUNS},
{{T_DIRECT, T_FIXED,
"QUANTUM ", "PD1225S ", ""}, SDEV_NOLUNS},
{{T_DIRECT, T_FIXED,
"QUANTUM ", "PD210S SUN0207", ""}, SDEV_NOLUNS},
{{T_DIRECT, T_FIXED,
"RODIME ", "RO3000S ", ""}, SDEV_NOLUNS},
{{T_DIRECT, T_FIXED,
"SEAGATE ", "ST125N ", ""}, SDEV_NOLUNS},
{{T_DIRECT, T_FIXED,
"SEAGATE ", "ST157N ", ""}, SDEV_NOLUNS},
{{T_DIRECT, T_FIXED,
"SEAGATE ", "ST296 ", ""}, SDEV_NOLUNS},
{{T_DIRECT, T_FIXED,
"SEAGATE ", "ST296N ", ""}, SDEV_NOLUNS},
{{T_DIRECT, T_FIXED,
"TOSHIBA ", "MK538FB ", "6027"}, SDEV_NOLUNS},
{{T_DIRECT, T_REMOV,
"iomega", "jaz 1GB", ""}, SDEV_NOMODESENSE},
{{T_DIRECT, T_REMOV,
"IOMEGA", "ZIP 100", ""}, SDEV_NOMODESENSE},
/* Letting the motor run kills floppy drives and disks quit fast. */
{{T_DIRECT, T_REMOV,
"TEAC", "FC-1", ""}, SDEV_NOSTARTUNIT},
/* XXX: QIC-36 tape behind Emulex adapter. Very broken. */
{{T_SEQUENTIAL, T_REMOV,
" ", " ", " "}, SDEV_NOLUNS},
{{T_SEQUENTIAL, T_REMOV,
"CALIPER ", "CP150 ", ""}, SDEV_NOLUNS},
{{T_SEQUENTIAL, T_REMOV,
"EXABYTE ", "EXB-8200 ", ""}, SDEV_NOLUNS},
{{T_SEQUENTIAL, T_REMOV,
"SONY ", "SDT-2000 ", "2.09"}, SDEV_NOLUNS},
{{T_SEQUENTIAL, T_REMOV,
"SONY ", "SDT-5000 ", "3."}, SDEV_NOSYNCWIDE},
{{T_SEQUENTIAL, T_REMOV,
"SONY ", "SDT-5200 ", "3."}, SDEV_NOLUNS},
{{T_SEQUENTIAL, T_REMOV,
"TANDBERG", " TDC 3600 ", ""}, SDEV_NOLUNS},
/* Following entry reported as a Tandberg 3600; ref. PR1933 */
{{T_SEQUENTIAL, T_REMOV,
"ARCHIVE ", "VIPER 150 21247", ""}, SDEV_NOLUNS},
{{T_SEQUENTIAL, T_REMOV,
"WANGTEK ", "5099ES SCSI", ""}, SDEV_NOLUNS},
{{T_SEQUENTIAL, T_REMOV,
"WANGTEK ", "5150ES SCSI", ""}, SDEV_NOLUNS},
{{T_SEQUENTIAL, T_REMOV,
"WangDAT ", "Model 1300 ", "02.4"}, SDEV_NOSYNCWIDE},
{{T_SEQUENTIAL, T_REMOV,
"WangDAT ", "Model 2600 ", "01.7"}, SDEV_NOSYNCWIDE},
{{T_SEQUENTIAL, T_REMOV,
"WangDAT ", "Model 3200 ", "02.2"}, SDEV_NOSYNCWIDE},
};
/*
* Print out autoconfiguration information for a subdevice.
*
* This is a slight abuse of 'standard' autoconfiguration semantics,
* because 'print' functions don't normally print the colon and
* device information. However, in this case that's better than
* either printing redundant information before the attach message,
* or having the device driver call a special function to print out
* the standard device information.
*/
int
scsibusprint(aux, pnp)
void *aux;
const char *pnp;
{
struct scsibus_attach_args *sa = aux;
struct scsi_inquiry_data *inqbuf;
u_int8_t type;
boolean removable;
char *dtype, *qtype;
char vendor[33], product[65], revision[17];
int target, lun;
if (pnp != NULL)
printf("%s", pnp);
inqbuf = sa->sa_inqbuf;
target = sa->sa_sc_link->target;
lun = sa->sa_sc_link->lun;
type = inqbuf->device & SID_TYPE;
removable = inqbuf->dev_qual2 & SID_REMOVABLE ? 1 : 0;
/*
* Figure out basic device type and qualifier.
*/
dtype = 0;
switch (inqbuf->device & SID_QUAL) {
case SID_QUAL_LU_OK:
qtype = "";
break;
case SID_QUAL_LU_OFFLINE:
qtype = " offline";
break;
case SID_QUAL_RSVD:
case SID_QUAL_BAD_LU:
panic("scsibusprint: impossible qualifier");
default:
qtype = "";
dtype = "vendor-unique";
break;
}
if (dtype == 0) {
switch (type) {
case T_DIRECT:
dtype = "direct";
break;
case T_SEQUENTIAL:
dtype = "sequential";
break;
case T_PRINTER:
dtype = "printer";
break;
case T_PROCESSOR:
dtype = "processor";
break;
case T_CDROM:
dtype = "cdrom";
break;
case T_WORM:
dtype = "worm";
break;
case T_SCANNER:
dtype = "scanner";
break;
case T_OPTICAL:
dtype = "optical";
break;
case T_CHANGER:
dtype = "changer";
break;
case T_COMM:
dtype = "communication";
break;
case T_NODEVICE:
panic("scsibusprint: impossible device type");
default:
dtype = "unknown";
break;
}
}
scsi_strvis(vendor, inqbuf->vendor, 8);
scsi_strvis(product, inqbuf->product, 16);
scsi_strvis(revision, inqbuf->revision, 4);
printf(" targ %d lun %d: <%s, %s, %s> SCSI%d %d/%s %s%s",
target, lun, vendor, product, revision,
inqbuf->version & SID_ANSII, type, dtype,
removable ? "removable" : "fixed", qtype);
return (UNCONF);
}
/*
* given a target and lu, ask the device what
* it is, and find the correct driver table
* entry.
*/
void
scsi_probedev(scsi, target, lun)
struct scsibus_softc *scsi;
int target, lun;
{
struct scsi_link *sc_link;
static struct scsi_inquiry_data inqbuf;
struct scsi_quirk_inquiry_pattern *finger;
int checkdtype, priority;
struct scsibus_attach_args sa;
struct cfdata *cf;
/* Skip this slot if it is already attached. */
if (scsi->sc_link[target][lun])
return;
sc_link = malloc(sizeof(*sc_link), M_DEVBUF, M_NOWAIT);
*sc_link = *scsi->adapter_link;
sc_link->target = target;
sc_link->lun = lun;
sc_link->device = &probe_switch;
/*
* Ask the device what it is
*/
#ifdef SCSIDEBUG
if (target == DEBUGTARGET && lun == DEBUGLUN)
sc_link->flags |= DEBUGLEVEL;
#endif /* SCSIDEBUG */
(void) scsi_test_unit_ready(sc_link,
SCSI_AUTOCONF | SCSI_IGNORE_ILLEGAL_REQUEST | SCSI_IGNORE_NOT_READY | SCSI_IGNORE_MEDIA_CHANGE);
#ifdef SCSI_2_DEF
/* some devices need to be told to go to SCSI2 */
/* However some just explode if you tell them this.. leave it out */
scsi_change_def(sc_link, SCSI_AUTOCONF | SCSI_SILENT);
#endif /* SCSI_2_DEF */
/* Now go ask the device all about itself. */
bzero(&inqbuf, sizeof(inqbuf));
if (scsi_inquire(sc_link, &inqbuf, SCSI_AUTOCONF) != 0)
goto bad;
{
int len = inqbuf.additional_length;
while (len < 3)
inqbuf.unused[len++] = '\0';
while (len < 3 + 28)
inqbuf.unused[len++] = ' ';
}
finger = (struct scsi_quirk_inquiry_pattern *)scsi_inqmatch(&inqbuf,
(caddr_t)scsi_quirk_patterns,
sizeof(scsi_quirk_patterns)/sizeof(scsi_quirk_patterns[0]),
sizeof(scsi_quirk_patterns[0]), &priority);
if (priority != 0)
sc_link->quirks |= finger->quirks;
if ((inqbuf.version & SID_ANSII) == 0 &&
(sc_link->quirks & SDEV_FORCELUNS) == 0)
sc_link->quirks |= SDEV_NOLUNS;
sc_link->scsi_version = inqbuf.version;
if ((sc_link->quirks & SDEV_NOLUNS) == 0)
scsi->moreluns |= (1 << target);
/*
* note what BASIC type of device it is
*/
if ((inqbuf.dev_qual2 & SID_REMOVABLE) != 0)
sc_link->flags |= SDEV_REMOVABLE;
/*
* Any device qualifier that has the top bit set (qualifier&4 != 0)
* is vendor specific and won't match in this switch.
* All we do here is throw out bad/negative responses.
*/
checkdtype = 0;
switch (inqbuf.device & SID_QUAL) {
case SID_QUAL_LU_OK:
case SID_QUAL_LU_OFFLINE:
checkdtype = 1;
break;
case SID_QUAL_RSVD:
case SID_QUAL_BAD_LU:
goto bad;
default:
break;
}
if (checkdtype) {
switch (inqbuf.device & SID_TYPE) {
case T_DIRECT:
case T_SEQUENTIAL:
case T_PRINTER:
case T_PROCESSOR:
case T_CDROM:
case T_WORM:
case T_SCANNER:
case T_OPTICAL:
case T_CHANGER:
case T_COMM:
default:
break;
case T_NODEVICE:
goto bad;
}
}
sa.sa_sc_link = sc_link;
sa.sa_inqbuf = &inqbuf;
if ((cf = config_search(scsibussubmatch, (struct device *)scsi, &sa)) != 0) {
scsi->sc_link[target][lun] = sc_link;
config_attach((struct device *)scsi, cf, &sa, scsibusprint);
} else {
scsibusprint(&sa, scsi->sc_dev.dv_xname);
printf(" not configured\n");
goto bad;
}
return;
bad:
free(sc_link, M_DEVBUF);
return;
}
/*
* Return a priority based on how much of the inquiry data matches
* the patterns for the particular driver.
*/
caddr_t
scsi_inqmatch(inqbuf, base, nmatches, matchsize, bestpriority)
struct scsi_inquiry_data *inqbuf;
caddr_t base;
int nmatches, matchsize;
int *bestpriority;
{
u_int8_t type;
boolean removable;
caddr_t bestmatch;
/* Include the qualifier to catch vendor-unique types. */
type = inqbuf->device;
removable = inqbuf->dev_qual2 & SID_REMOVABLE ? T_REMOV : T_FIXED;
for (*bestpriority = 0, bestmatch = 0; nmatches--; base += matchsize) {
struct scsi_inquiry_pattern *match = (void *)base;
int priority, len;
if (type != match->type)
continue;
if (removable != match->removable)
continue;
priority = 2;
len = strlen(match->vendor);
if (bcmp(inqbuf->vendor, match->vendor, len))
continue;
priority += len;
len = strlen(match->product);
if (bcmp(inqbuf->product, match->product, len))
continue;
priority += len;
len = strlen(match->revision);
if (bcmp(inqbuf->revision, match->revision, len))
continue;
priority += len;
#if SCSIDEBUG
printf("scsi_inqmatch: %d/%d/%d <%s, %s, %s>\n",
priority, match->type, match->removable,
match->vendor, match->product, match->revision);
#endif
if (priority > *bestpriority) {
*bestpriority = priority;
bestmatch = base;
}
}
return (bestmatch);
}
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