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NetBSD/sys/dev/scsipi/scsiconf.c

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/* $NetBSD: scsiconf.c,v 1.303 2022/10/15 18:42:49 jmcneill Exp $ */
/*-
* Copyright (c) 1998, 1999, 2004 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Charles M. Hannum; Jason R. Thorpe of the Numerical Aerospace
* Simulation Facility, NASA Ames Research Center.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``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 FOUNDATION OR CONTRIBUTORS
* 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/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: scsiconf.c,v 1.303 2022/10/15 18:42:49 jmcneill Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/proc.h>
#include <sys/kthread.h>
#include <sys/malloc.h>
#include <sys/mutex.h>
#include <sys/once.h>
#include <sys/device.h>
#include <sys/conf.h>
#include <sys/fcntl.h>
#include <sys/scsiio.h>
#include <sys/queue.h>
#include <sys/atomic.h>
#include <sys/kmem.h>
#include <dev/scsipi/scsi_all.h>
#include <dev/scsipi/scsipi_all.h>
#include <dev/scsipi/scsiconf.h>
#include "locators.h"
static const struct scsipi_periphsw scsi_probe_dev = {
NULL,
NULL,
NULL,
NULL,
};
struct scsi_initq {
struct scsipi_channel *sc_channel;
TAILQ_ENTRY(scsi_initq) scsi_initq;
};
static ONCE_DECL(scsi_conf_ctrl);
static TAILQ_HEAD(, scsi_initq) scsi_initq_head;
static kmutex_t scsibus_qlock;
static kcondvar_t scsibus_qcv;
static int scsi_probe_device(struct scsibus_softc *, int, int);
static int scsibusmatch(device_t, cfdata_t, void *);
static void scsibusattach(device_t, device_t, void *);
static int scsibusdetach(device_t, int flags);
static int scsibusrescan(device_t, const char *, const int *);
static void scsidevdetached(device_t, device_t);
CFATTACH_DECL3_NEW(scsibus, sizeof(struct scsibus_softc),
scsibusmatch, scsibusattach, scsibusdetach, NULL,
scsibusrescan, scsidevdetached, DVF_DETACH_SHUTDOWN);
extern struct cfdriver scsibus_cd;
static dev_type_open(scsibusopen);
static dev_type_close(scsibusclose);
static dev_type_ioctl(scsibusioctl);
const struct cdevsw scsibus_cdevsw = {
.d_open = scsibusopen,
.d_close = scsibusclose,
.d_read = noread,
.d_write = nowrite,
.d_ioctl = scsibusioctl,
.d_stop = nostop,
.d_tty = notty,
.d_poll = nopoll,
.d_mmap = nommap,
.d_kqfilter = nokqfilter,
.d_discard = nodiscard,
.d_flag = D_OTHER | D_MPSAFE
};
static int scsibusprint(void *, const char *);
static void scsibus_discover_thread(void *);
static void scsibus_config(struct scsibus_softc *);
static int
scsibus_init(void)
{
TAILQ_INIT(&scsi_initq_head);
mutex_init(&scsibus_qlock, MUTEX_DEFAULT, IPL_NONE);
cv_init(&scsibus_qcv, "scsinitq");
return 0;
}
static int
scsibusmatch(device_t parent, cfdata_t cf, void *aux)
{
struct scsipi_channel *chan = aux;
if (SCSIPI_BUSTYPE_TYPE(chan->chan_bustype->bustype_type) !=
SCSIPI_BUSTYPE_SCSI)
return 0;
if (cf->cf_loc[SCSICF_CHANNEL] != chan->chan_channel &&
cf->cf_loc[SCSICF_CHANNEL] != SCSICF_CHANNEL_DEFAULT)
return (0);
return (1);
}
static void
scsibusattach(device_t parent, device_t self, void *aux)
{
struct scsibus_softc *sc = device_private(self);
struct scsipi_channel *chan = aux;
struct scsi_initq *scsi_initq;
if (!pmf_device_register(self, NULL, NULL))
aprint_error_dev(self, "couldn't establish power handler\n");
sc->sc_dev = self;
sc->sc_channel = chan;
chan->chan_name = device_xname(sc->sc_dev);
aprint_naive(": SCSI bus\n");
aprint_normal(": %d target%s, %d lun%s per target\n",
chan->chan_ntargets,
chan->chan_ntargets == 1 ? "" : "s",
chan->chan_nluns,
chan->chan_nluns == 1 ? "" : "s");
/*
* XXX
* newer adapters support more than 256 outstanding commands
* per periph and don't use the tag (they eventually allocate one
* internally). Right now scsipi always allocate a tag and
* is limited to 256 tags, per scsi specs.
* this should be revisited
*/
if (chan->chan_flags & SCSIPI_CHAN_OPENINGS) {
if (chan->chan_max_periph > 256)
chan->chan_max_periph = 256;
} else {
if (chan->chan_adapter->adapt_max_periph > 256)
chan->chan_adapter->adapt_max_periph = 256;
}
if (atomic_inc_uint_nv(&chan_running(chan)) == 1)
mutex_init(chan_mtx(chan), MUTEX_DEFAULT, IPL_BIO);
cv_init(&chan->chan_cv_thr, "scshut");
cv_init(&chan->chan_cv_comp, "sccomp");
cv_init(&chan->chan_cv_xs, "xscmd");
if (scsipi_adapter_addref(chan->chan_adapter))
return;
RUN_ONCE(&scsi_conf_ctrl, scsibus_init);
/* Initialize the channel structure first */
chan->chan_init_cb = NULL;
chan->chan_init_cb_arg = NULL;
scsi_initq = malloc(sizeof(struct scsi_initq), M_DEVBUF, M_WAITOK);
scsi_initq->sc_channel = chan;
TAILQ_INSERT_TAIL(&scsi_initq_head, scsi_initq, scsi_initq);
config_pending_incr(sc->sc_dev);
if (scsipi_channel_init(chan)) {
aprint_error_dev(sc->sc_dev, "failed to init channel\n");
return;
}
/*
* Create the discover thread
*/
if (kthread_create(PRI_NONE, 0, NULL, scsibus_discover_thread, sc,
&chan->chan_dthread, "%s-d", chan->chan_name)) {
aprint_error_dev(sc->sc_dev, "unable to create discovery "
"thread for channel %d\n", chan->chan_channel);
return;
}
}
static void
scsibus_discover_thread(void *arg)
{
struct scsibus_softc *sc = arg;
scsibus_config(sc);
sc->sc_channel->chan_dthread = NULL;
kthread_exit(0);
}
static void
scsibus_config(struct scsibus_softc *sc)
{
struct scsipi_channel *chan = sc->sc_channel;
struct scsi_initq *scsi_initq;
#ifndef SCSI_DELAY
#define SCSI_DELAY 2
#endif
if ((chan->chan_flags & SCSIPI_CHAN_NOSETTLE) == 0 &&
SCSI_DELAY > 0) {
aprint_normal_dev(sc->sc_dev,
"waiting %d seconds for devices to settle...\n",
SCSI_DELAY);
/* ...an identifier we know no one will use... */
kpause("scsidly", false, SCSI_DELAY * hz, NULL);
}
/* Make sure the devices probe in scsibus order to avoid jitter. */
mutex_enter(&scsibus_qlock);
for (;;) {
scsi_initq = TAILQ_FIRST(&scsi_initq_head);
if (scsi_initq->sc_channel == chan)
break;
cv_wait(&scsibus_qcv, &scsibus_qlock);
}
mutex_exit(&scsibus_qlock);
scsi_probe_bus(sc, -1, -1);
mutex_enter(&scsibus_qlock);
TAILQ_REMOVE(&scsi_initq_head, scsi_initq, scsi_initq);
cv_broadcast(&scsibus_qcv);
mutex_exit(&scsibus_qlock);
free(scsi_initq, M_DEVBUF);
scsipi_adapter_delref(chan->chan_adapter);
config_pending_decr(sc->sc_dev);
}
static int
scsibusdetach(device_t self, int flags)
{
struct scsibus_softc *sc = device_private(self);
struct scsipi_channel *chan = sc->sc_channel;
int error;
/*
* Defer while discovery thread is running
*/
while (chan->chan_dthread != NULL)
kpause("scsibusdet", false, hz, NULL);
/*
* Detach all of the periphs.
*/
error = scsipi_target_detach(chan, -1, -1, flags);
if (error)
return error;
pmf_device_deregister(self);
/*
* Shut down the channel.
*/
scsipi_channel_shutdown(chan);
cv_destroy(&chan->chan_cv_xs);
cv_destroy(&chan->chan_cv_comp);
cv_destroy(&chan->chan_cv_thr);
membar_release();
if (atomic_dec_uint_nv(&chan_running(chan)) == 0) {
membar_acquire();
mutex_destroy(chan_mtx(chan));
}
return 0;
}
static int
lun_compar(const void *a, const void *b)
{
const uint16_t * const la = a, * const lb = b;
if (*la < *lb)
return -1;
if (*la > *lb)
return 1;
return 0;
}
static int
scsi_report_luns(struct scsibus_softc *sc, int target,
uint16_t ** const luns, size_t *nluns)
{
struct scsi_report_luns replun;
struct scsi_report_luns_header *rlr;
struct scsi_report_luns_lun *lunp;
struct scsipi_channel *chan = sc->sc_channel;
struct scsipi_inquiry_data inqbuf;
struct scsipi_periph *periph;
uint16_t tmp;
int error;
size_t i, rlrlen, rlrlenmin;
memset(&replun, 0, sizeof(replun));
periph = scsipi_alloc_periph(M_WAITOK);
periph->periph_channel = chan;
periph->periph_switch = &scsi_probe_dev;
periph->periph_target = target;
periph->periph_lun = 0;
periph->periph_quirks = chan->chan_defquirks;
if ((error = scsipi_inquire(periph, &inqbuf,
XS_CTL_DISCOVERY | XS_CTL_SILENT)))
goto end2;
periph->periph_version = inqbuf.version & SID_ANSII;
if (periph->periph_version < 3) {
error = ENOTSUP;
goto end2;
}
rlrlen = rlrlenmin = sizeof(*rlr) + sizeof(*lunp) * 1;
again:
rlr = kmem_zalloc(rlrlen, KM_SLEEP);
replun.opcode = SCSI_REPORT_LUNS;
replun.selectreport = SELECTREPORT_NORMAL;
_lto4b(rlrlen, replun.alloclen);
error = scsipi_command(periph, (void *)&replun, sizeof(replun),
(void *)rlr, rlrlen, SCSIPIRETRIES, 10000, NULL,
XS_CTL_DATA_IN | XS_CTL_DISCOVERY | XS_CTL_SILENT);
if (error)
goto end;
if (sizeof(*rlr) + _4btol(rlr->length) > rlrlen &&
sizeof(*rlr) + _4btol(rlr->length) <= 32) {
const size_t old_rlrlen = rlrlen;
rlrlen = sizeof(*rlr) + uimin(_4btol(rlr->length),
16383 * sizeof(*lunp));
kmem_free(rlr, old_rlrlen);
rlr = NULL;
if (rlrlen < rlrlenmin) {
error = EIO;
goto end;
}
goto again;
}
KASSERT(nluns != NULL);
*nluns = (rlrlen - sizeof(*rlr)) / sizeof(*lunp);
KASSERT(luns != NULL);
*luns = kmem_alloc(*nluns * sizeof(**luns), KM_SLEEP);
for (i = 0; i < *nluns; i++) {
lunp = &((struct scsi_report_luns_lun *)&rlr[1])[i];
switch (lunp->lun[0] & 0xC0) {
default:
scsi_print_addr(periph);
printf("LUN %016"PRIx64" ignored\n", _8btol(lunp->lun));
(*luns)[i] = 0;
break;
case 0x40:
(*luns)[i] = _2btol(&lunp->lun[0]) & 0x3FFF;
break;
case 0x00:
(*luns)[i] = _2btol(&lunp->lun[0]) & 0x00FF;
break;
}
}
kheapsort(*luns, *nluns, sizeof(**luns), lun_compar, &tmp);
end:
if (rlr)
kmem_free(rlr, rlrlen);
end2:
scsipi_free_periph(periph);
return error;
}
static void
scsi_discover_luns(struct scsibus_softc *sc, int target, int minlun, int maxlun)
{
uint16_t *luns = NULL; /* XXX gcc */
size_t nluns = 0; /* XXX gcc */
if (scsi_report_luns(sc, target, &luns, &nluns) == 0) {
for (size_t i = 0; i < nluns; i++)
if (luns[i] >= minlun && luns[i] <= maxlun)
scsi_probe_device(sc, target, luns[i]);
kmem_free(luns, sizeof(*luns) * nluns);
return;
}
for (int lun = minlun; lun <= maxlun; lun++) {
/*
* See if there's a device present, and configure it.
*/
if (scsi_probe_device(sc, target, lun) == 0)
break;
/* otherwise something says we should look further */
}
}
/*
* 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(struct scsibus_softc *sc, int target, int lun)
{
struct scsipi_channel *chan = sc->sc_channel;
int maxtarget, mintarget, maxlun, minlun;
int error;
if (target == -1) {
maxtarget = chan->chan_ntargets - 1;
mintarget = 0;
} else {
if (target < 0 || target >= chan->chan_ntargets)
return (EINVAL);
maxtarget = mintarget = target;
}
if (lun == -1) {
maxlun = chan->chan_nluns - 1;
minlun = 0;
} else {
if (lun < 0 || lun >= chan->chan_nluns)
return (EINVAL);
maxlun = minlun = lun;
}
/*
* Some HBAs provide an abstracted view of the bus; give them an
* opportunity to re-scan it before we do.
*/
scsipi_adapter_ioctl(chan, SCBUSIOLLSCAN, NULL, 0, curproc);
if ((error = scsipi_adapter_addref(chan->chan_adapter)) != 0)
goto ret;
for (target = mintarget; target <= maxtarget; target++) {
if (target == chan->chan_id)
continue;
scsi_discover_luns(sc, target, minlun, maxlun);
/*
* Now that we've discovered all of the LUNs on this
* I_T Nexus, update the xfer mode for all of them
* that we know about.
*/
scsipi_set_xfer_mode(chan, target, 1);
}
scsipi_adapter_delref(chan->chan_adapter);
ret:
return (error);
}
static int
scsibusrescan(device_t sc, const char *ifattr, const int *locators)
{
KASSERT(ifattr && !strcmp(ifattr, "scsibus"));
KASSERT(locators);
return (scsi_probe_bus(device_private(sc),
locators[SCSIBUSCF_TARGET], locators[SCSIBUSCF_LUN]));
}
static void
scsidevdetached(device_t self, device_t child)
{
struct scsibus_softc *sc = device_private(self);
struct scsipi_channel *chan = sc->sc_channel;
struct scsipi_periph *periph;
int target, lun;
target = device_locator(child, SCSIBUSCF_TARGET);
lun = device_locator(child, SCSIBUSCF_LUN);
mutex_enter(chan_mtx(chan));
periph = scsipi_lookup_periph_locked(chan, target, lun);
KASSERT(periph != NULL && periph->periph_dev == child);
scsipi_remove_periph(chan, periph);
scsipi_free_periph(periph);
mutex_exit(chan_mtx(chan));
}
/*
* 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.
*/
static int
scsibusprint(void *aux, const char *pnp)
{
struct scsipibus_attach_args *sa = aux;
struct scsipi_inquiry_pattern *inqbuf;
u_int8_t type;
const char *dtype;
char vendor[33], product[65], revision[17];
int target, lun;
if (pnp != NULL)
aprint_normal("%s", pnp);
inqbuf = &sa->sa_inqbuf;
target = sa->sa_periph->periph_target;
lun = sa->sa_periph->periph_lun;
type = inqbuf->type & SID_TYPE;
dtype = scsipi_dtype(type);
strnvisx(vendor, sizeof(vendor), inqbuf->vendor, 8,
VIS_TRIM|VIS_SAFE|VIS_OCTAL);
strnvisx(product, sizeof(product), inqbuf->product, 16,
VIS_TRIM|VIS_SAFE|VIS_OCTAL);
strnvisx(revision, sizeof(revision), inqbuf->revision, 4,
VIS_TRIM|VIS_SAFE|VIS_OCTAL);
aprint_normal(" target %d lun %d: <%s, %s, %s> %s %s%s",
target, lun, vendor, product, revision, dtype,
inqbuf->removable ? "removable" : "fixed",
(sa->sa_periph->periph_opcs != NULL)
? " timeout-info" : "");
return (UNCONF);
}
static const struct scsi_quirk_inquiry_pattern scsi_quirk_patterns[] = {
{{T_DIRECT, T_REMOV,
"Apple ", "iPod ", ""}, PQUIRK_START},
{{T_CDROM, T_REMOV,
"CHINON ", "CD-ROM CDS-431 ", ""}, PQUIRK_NOLUNS},
{{T_CDROM, T_REMOV,
"CHINON ", "CD-ROM CDS-435 ", ""}, PQUIRK_NOLUNS},
{{T_CDROM, T_REMOV,
"Chinon ", "CD-ROM CDS-525 ", ""}, PQUIRK_NOLUNS},
{{T_CDROM, T_REMOV,
"CHINON ", "CD-ROM CDS-535 ", ""}, PQUIRK_NOLUNS},
{{T_CDROM, T_REMOV,
"DEC ", "RRD42 (C) DEC ", ""}, PQUIRK_NOLUNS},
{{T_CDROM, T_REMOV,
"DENON ", "DRD-25X ", "V"}, PQUIRK_NOLUNS},
{{T_CDROM, T_REMOV,
"GENERIC ", "CRD-BP2 ", ""}, PQUIRK_NOLUNS},
{{T_CDROM, T_REMOV,
"HP ", "C4324/C4325 ", ""}, PQUIRK_NOLUNS},
{{T_CDROM, T_REMOV,
"IMS ", "CDD521/10 ", "2.06"}, PQUIRK_NOLUNS},
{{T_CDROM, T_REMOV,
"MATSHITA", "CD-ROM CR-5XX ", "1.0b"}, PQUIRK_NOLUNS},
{{T_CDROM, T_REMOV,
"MEDAVIS ", "RENO CD-ROMX2A ", ""}, PQUIRK_NOLUNS},
{{T_CDROM, T_REMOV,
"MEDIAVIS", "CDR-H93MV ", "1.3"}, PQUIRK_NOLUNS},
{{T_CDROM, T_REMOV,
"NEC ", "CD-ROM DRIVE:502", ""}, PQUIRK_NOLUNS},
{{T_CDROM, T_REMOV,
"NEC ", "CD-ROM DRIVE:55 ", ""}, PQUIRK_NOLUNS},
{{T_CDROM, T_REMOV,
"NEC ", "CD-ROM DRIVE:83 ", ""}, PQUIRK_NOLUNS},
{{T_CDROM, T_REMOV,
"NEC ", "CD-ROM DRIVE:84 ", ""}, PQUIRK_NOLUNS},
{{T_CDROM, T_REMOV,
"NEC ", "CD-ROM DRIVE:841", ""}, PQUIRK_NOLUNS},
{{T_CDROM, T_REMOV,
"OLYMPUS ", "CDS620E ", "1.1d"},
PQUIRK_NOLUNS|PQUIRK_NOSYNC|PQUIRK_NOCAPACITY},
{{T_CDROM, T_REMOV,
"PIONEER ", "CD-ROM DR-124X ", "1.01"}, PQUIRK_NOLUNS},
{{T_CDROM, T_REMOV,
"PLEXTOR ", "CD-ROM PX-4XCS ", "1.01"},
PQUIRK_NOLUNS|PQUIRK_NOSYNC},
{{T_CDROM, T_REMOV,
"SONY ", "CD-ROM CDU-541 ", ""}, PQUIRK_NOLUNS},
{{T_CDROM, T_REMOV,
"SONY ", "CD-ROM CDU-55S ", ""}, PQUIRK_NOLUNS},
{{T_CDROM, T_REMOV,
"SONY ", "CD-ROM CDU-561 ", ""}, PQUIRK_NOLUNS},
{{T_CDROM, T_REMOV,
"SONY ", "CD-ROM CDU-76S", ""},
PQUIRK_NOLUNS|PQUIRK_NOSYNC|PQUIRK_NOWIDE},
{{T_CDROM, T_REMOV,
"SONY ", "CD-ROM CDU-8003A", ""}, PQUIRK_NOLUNS},
{{T_CDROM, T_REMOV,
"SONY ", "CD-ROM CDU-8012 ", ""}, PQUIRK_NOLUNS},
{{T_CDROM, T_REMOV,
"TEAC ", "CD-ROM ", "1.06"}, PQUIRK_NOLUNS},
{{T_CDROM, T_REMOV,
"TEAC ", "CD-ROM CD-56S ", "1.0B"}, PQUIRK_NOLUNS},
{{T_CDROM, T_REMOV,
"TEXEL ", "CD-ROM ", "1.06"}, PQUIRK_NOLUNS},
{{T_CDROM, T_REMOV,
"TEXEL ", "CD-ROM DM-XX24 K", "1.09"}, PQUIRK_NOLUNS},
{{T_CDROM, T_REMOV,
"TEXEL ", "CD-ROM DM-XX24 K", "1.10"}, PQUIRK_NOLUNS},
{{T_CDROM, T_REMOV,
"TOSHIBA ", "XM-4101TASUNSLCD", ""}, PQUIRK_NOLUNS|PQUIRK_NOSYNC},
/* "IBM CDRM00201 !F" 0724 is an IBM OEM Toshiba XM-4101BME */
{{T_CDROM, T_REMOV,
"IBM ", "CDRM00201 !F", "0724"}, PQUIRK_NOLUNS|PQUIRK_NOSYNC},
{{T_CDROM, T_REMOV,
"ShinaKen", "CD-ROM DM-3x1S", "1.04"}, PQUIRK_NOLUNS},
{{T_CDROM, T_REMOV,
"JVC ", "R2626", ""}, PQUIRK_NOLUNS},
{{T_CDROM, T_REMOV,
"YAMAHA", "CRW8424S", ""}, PQUIRK_NOLUNS},
{{T_CDROM, T_REMOV,
"NEC ", "CD-ROM DRIVE:222", ""}, PQUIRK_NOLUNS|PQUIRK_NOSYNC},
{{T_DIRECT, T_FIXED,
"MICROP ", "1588-15MBSUN0669", ""}, PQUIRK_AUTOSAVE},
{{T_DIRECT, T_FIXED,
"MICROP ", "2217-15MQ1091501", ""}, PQUIRK_NOSYNCCACHE},
{{T_OPTICAL, T_REMOV,
"EPSON ", "OMD-5010 ", "3.08"}, PQUIRK_NOLUNS},
{{T_DIRECT, T_FIXED,
"ADAPTEC ", "AEC-4412BD", "1.2A"}, PQUIRK_NOMODESENSE},
{{T_DIRECT, T_FIXED,
"ADAPTEC ", "ACB-4000", ""}, PQUIRK_FORCELUNS|PQUIRK_AUTOSAVE|PQUIRK_NOMODESENSE},
{{T_DIRECT, T_FIXED,
"DEC ", "RZ55 (C) DEC", ""}, PQUIRK_AUTOSAVE},
{{T_DIRECT, T_FIXED,
"EMULEX ", "MD21/S2 ESDI", "A00"},
PQUIRK_FORCELUNS|PQUIRK_AUTOSAVE},
{{T_DIRECT, T_FIXED,
"MICROP", "1548-15MZ1077801", "HZ2P"}, PQUIRK_NOTAG},
{{T_DIRECT, T_FIXED,
"HP ", "C372", ""}, PQUIRK_NOTAG},
{{T_DIRECT, T_FIXED,
"IBMRAID ", "0662S", ""}, PQUIRK_AUTOSAVE},
{{T_DIRECT, T_FIXED,
"IBM ", "0663H", ""}, PQUIRK_AUTOSAVE},
{{T_DIRECT, T_FIXED,
"IBM", "0664", ""}, PQUIRK_AUTOSAVE},
{{T_DIRECT, T_FIXED,
/* improperly report DT-only sync mode */
"IBM ", "DXHS36D", ""},
PQUIRK_CAP_SYNC|PQUIRK_CAP_WIDE16},
{{T_DIRECT, T_FIXED,
"IBM ", "DXHS18Y", ""},
PQUIRK_CAP_SYNC|PQUIRK_CAP_WIDE16},
{{T_DIRECT, T_FIXED,
"IBM ", "H3171-S2", ""},
PQUIRK_NOLUNS|PQUIRK_AUTOSAVE},
{{T_DIRECT, T_FIXED,
"IBM ", "KZ-C", ""}, PQUIRK_AUTOSAVE},
/* Broken IBM disk */
{{T_DIRECT, T_FIXED,
"" , "DFRSS2F", ""}, PQUIRK_AUTOSAVE},
{{T_DIRECT, T_FIXED,
"Initio ", "", ""}, PQUIRK_NOBIGMODESENSE},
{{T_DIRECT, T_FIXED,
"JMicron ", "Generic ", ""}, PQUIRK_NOFUA},
{{T_DIRECT, T_REMOV,
"MPL ", "MC-DISK- ", ""}, PQUIRK_NOLUNS},
{{T_DIRECT, T_FIXED,
"MAXTOR ", "XT-3280 ", ""}, PQUIRK_NOLUNS},
{{T_DIRECT, T_FIXED,
"MAXTOR ", "XT-4380S ", ""}, PQUIRK_NOLUNS},
{{T_DIRECT, T_FIXED,
"MAXTOR ", "MXT-1240S ", ""}, PQUIRK_NOLUNS},
{{T_DIRECT, T_FIXED,
"MAXTOR ", "XT-4170S ", ""}, PQUIRK_NOLUNS},
{{T_DIRECT, T_FIXED,
"MAXTOR ", "XT-8760S", ""}, PQUIRK_NOLUNS},
{{T_DIRECT, T_FIXED,
"MAXTOR ", "LXT-213S ", ""}, PQUIRK_NOLUNS},
{{T_DIRECT, T_FIXED,
"MAXTOR ", "LXT-213S SUN0207", ""}, PQUIRK_NOLUNS},
{{T_DIRECT, T_FIXED,
"MAXTOR ", "LXT-200S ", ""}, PQUIRK_NOLUNS},
{{T_DIRECT, T_FIXED,
"MEGADRV ", "EV1000", ""}, PQUIRK_NOMODESENSE},
{{T_DIRECT, T_FIXED,
"MICROP", "1991-27MZ", ""}, PQUIRK_NOTAG},
{{T_DIRECT, T_FIXED,
"MST ", "SnapLink ", ""}, PQUIRK_NOLUNS},
{{T_DIRECT, T_FIXED,
"NEC ", "D3847 ", "0307"}, PQUIRK_NOLUNS},
{{T_DIRECT, T_FIXED,
"QUANTUM ", "ELS85S ", ""}, PQUIRK_AUTOSAVE},
{{T_DIRECT, T_FIXED,
"QUANTUM ", "LPS525S ", ""}, PQUIRK_NOLUNS},
{{T_DIRECT, T_FIXED,
"QUANTUM ", "P105S 910-10-94x", ""}, PQUIRK_NOLUNS},
{{T_DIRECT, T_FIXED,
"QUANTUM ", "PD1225S ", ""}, PQUIRK_NOLUNS},
{{T_DIRECT, T_FIXED,
"QUANTUM ", "PD210S SUN0207", ""}, PQUIRK_NOLUNS},
{{T_DIRECT, T_FIXED,
"QUANTUM ", "ATLAS IV 9 WLS", "0A0A"}, PQUIRK_CAP_NODT},
{{T_DIRECT, T_FIXED,
"RODIME ", "RO3000S ", ""}, PQUIRK_NOLUNS},
{{T_DIRECT, T_FIXED,
"SEAGATE ", "ST125N ", ""}, PQUIRK_NOLUNS},
{{T_DIRECT, T_FIXED,
"SEAGATE ", "ST157N ", ""}, PQUIRK_NOLUNS},
{{T_DIRECT, T_FIXED,
"SEAGATE ", "ST296 ", ""}, PQUIRK_NOLUNS},
{{T_DIRECT, T_FIXED,
"SEAGATE ", "ST296N ", ""}, PQUIRK_NOLUNS},
{{T_DIRECT, T_FIXED,
"SEAGATE ", "ST318404LC ", ""}, PQUIRK_NOLUNS},
{{T_DIRECT, T_FIXED,
"SEAGATE ", "ST336753LC ", ""}, PQUIRK_NOLUNS},
{{T_DIRECT, T_FIXED,
"SEAGATE ", "ST336753LW ", ""}, PQUIRK_NOLUNS},
{{T_DIRECT, T_FIXED,
"SEAGATE ", "ST336754LC ", ""}, PQUIRK_NOLUNS},
{{T_DIRECT, T_FIXED,
"SEAGATE ", "ST39236LC ", ""}, PQUIRK_NOLUNS},
{{T_DIRECT, T_FIXED,
"SEAGATE ", "ST15150N ", ""}, PQUIRK_NOTAG},
{{T_DIRECT, T_FIXED,
"SEAGATE ", "ST19171", ""}, PQUIRK_NOMODESENSE},
{{T_DIRECT, T_FIXED,
"SEAGATE ", "ST32430N", ""}, PQUIRK_CAP_SYNC},
{{T_DIRECT, T_FIXED,
"SEAGATE ", "ST34501FC ", ""}, PQUIRK_NOMODESENSE},
{{T_DIRECT, T_FIXED,
"SEAGATE ", "SX910800N", ""}, PQUIRK_NOTAG},
{{T_DIRECT, T_FIXED,
"TOSHIBA ", "MK538FB ", "6027"}, PQUIRK_NOLUNS},
{{T_DIRECT, T_FIXED,
"MICROP ", "1924", ""}, PQUIRK_CAP_SYNC},
{{T_DIRECT, T_FIXED,
"FUJITSU ", "M2266", ""}, PQUIRK_CAP_SYNC},
{{T_DIRECT, T_FIXED,
"FUJITSU ", "M2624S-512 ", ""}, PQUIRK_CAP_SYNC},
{{T_DIRECT, T_FIXED,
"SEAGATE ", "SX336704LC" , ""}, PQUIRK_CAP_SYNC | PQUIRK_CAP_WIDE16},
{{T_DIRECT, T_FIXED,
"SEAGATE ", "SX173404LC", ""}, PQUIRK_CAP_SYNC | PQUIRK_CAP_WIDE16},
{{T_DIRECT, T_FIXED,
"ORACLE", "BlockVolume", ""}, PQUIRK_ONLYBIG},
{{T_DIRECT, T_REMOV,
"IOMEGA", "ZIP 100", "J.03"}, PQUIRK_NOLUNS|PQUIRK_NOSYNC},
{{T_DIRECT, T_REMOV,
"INSITE", "I325VM", ""}, PQUIRK_NOLUNS},
/* XXX: QIC-36 tape behind Emulex adapter. Very broken. */
{{T_SEQUENTIAL, T_REMOV,
" ", " ", " "}, PQUIRK_NOLUNS},
{{T_SEQUENTIAL, T_REMOV,
"EMULEX ", "MT-02 QIC ", ""}, PQUIRK_NOLUNS},
{{T_SEQUENTIAL, T_REMOV,
"CALIPER ", "CP150 ", ""}, PQUIRK_NOLUNS},
{{T_SEQUENTIAL, T_REMOV,
"EXABYTE ", "EXB-8200 ", ""}, PQUIRK_NOLUNS},
{{T_SEQUENTIAL, T_REMOV,
"SONY ", "GY-10C ", ""}, PQUIRK_NOLUNS},
{{T_SEQUENTIAL, T_REMOV,
"SONY ", "SDT-2000 ", "2.09"}, PQUIRK_NOLUNS},
{{T_SEQUENTIAL, T_REMOV,
"SONY ", "SDT-5000 ", "3."}, PQUIRK_NOSYNC|PQUIRK_NOWIDE},
{{T_SEQUENTIAL, T_REMOV,
"SONY ", "SDT-5200 ", "3."}, PQUIRK_NOLUNS},
{{T_SEQUENTIAL, T_REMOV,
"TANDBERG", " TDC 3600 ", ""}, PQUIRK_NOLUNS},
/* Following entry reported as a Tandberg 3600; ref. PR1933 */
{{T_SEQUENTIAL, T_REMOV,
"ARCHIVE ", "VIPER 150 21247", ""}, PQUIRK_NOLUNS},
/* Following entry for a Cipher ST150S; ref. PR4171 */
{{T_SEQUENTIAL, T_REMOV,
"ARCHIVE ", "VIPER 1500 21247", "2.2G"}, PQUIRK_NOLUNS},
{{T_SEQUENTIAL, T_REMOV,
"ARCHIVE ", "Python 28454-XXX", ""}, PQUIRK_NOLUNS},
{{T_SEQUENTIAL, T_REMOV,
"WANGTEK ", "5099ES SCSI", ""}, PQUIRK_NOLUNS},
{{T_SEQUENTIAL, T_REMOV,
"WANGTEK ", "5150ES SCSI", ""}, PQUIRK_NOLUNS},
{{T_SEQUENTIAL, T_REMOV,
"WANGTEK ", "SCSI-36", ""}, PQUIRK_NOLUNS},
{{T_SEQUENTIAL, T_REMOV,
"WangDAT ", "Model 1300 ", "02.4"}, PQUIRK_NOSYNC|PQUIRK_NOWIDE},
{{T_SEQUENTIAL, T_REMOV,
"WangDAT ", "Model 2600 ", "01.7"}, PQUIRK_NOSYNC|PQUIRK_NOWIDE},
{{T_SEQUENTIAL, T_REMOV,
"WangDAT ", "Model 3200 ", "02.2"}, PQUIRK_NOSYNC|PQUIRK_NOWIDE},
{{T_SEQUENTIAL, T_REMOV,
"TEAC ", "MT-2ST/N50 ", ""}, PQUIRK_NOLUNS},
{{T_SCANNER, T_FIXED,
"RICOH ", "IS60 ", "1R08"}, PQUIRK_NOLUNS},
{{T_SCANNER, T_FIXED,
"UMAX ", "Astra 1200S ", "V2.9"}, PQUIRK_NOLUNS},
{{T_SCANNER, T_FIXED,
"UMAX ", "Astra 1220S ", ""}, PQUIRK_NOLUNS},
{{T_SCANNER, T_FIXED,
"UMAX ", "UMAX S-6E ", "V2.0"}, PQUIRK_NOLUNS},
{{T_SCANNER, T_FIXED,
"UMAX ", "UMAX S-12 ", "V2.1"}, PQUIRK_NOLUNS},
{{T_SCANNER, T_FIXED,
"ULTIMA ", "A6000C ", ""}, PQUIRK_NOLUNS},
{{T_PROCESSOR, T_FIXED,
"ESG-SHV", "SCA HSBP M15", ""}, PQUIRK_NOLUNS},
{{T_PROCESSOR, T_FIXED,
"SYMBIOS", "", ""}, PQUIRK_NOLUNS},
{{T_PROCESSOR, T_FIXED,
"LITRONIC", "PCMCIA ", ""}, PQUIRK_NOLUNS},
{{T_CHANGER, T_REMOV,
"SONY ", "CDL1100 ", ""}, PQUIRK_NOLUNS},
{{T_ENCLOSURE, T_FIXED,
"SUN ", "SENA ", ""}, PQUIRK_NOLUNS},
};
/*
* given a target and lun, ask the device what
* it is, and find the correct driver table
* entry.
*/
static int
scsi_probe_device(struct scsibus_softc *sc, int target, int lun)
{
struct scsipi_channel *chan = sc->sc_channel;
struct scsipi_periph *periph;
struct scsipi_inquiry_data inqbuf;
const struct scsi_quirk_inquiry_pattern *finger;
int checkdtype, priority, docontinue, quirks;
struct scsipibus_attach_args sa;
cfdata_t cf;
int locs[SCSIBUSCF_NLOCS];
/*
* Assume no more LUNs to search after this one.
* If we successfully get Inquiry data and after
* merging quirks we find we can probe for more
* LUNs, we will.
*/
docontinue = 0;
/* Skip this slot if it is already attached. */
if (scsipi_lookup_periph(chan, target, lun) != NULL)
return (docontinue);
periph = scsipi_alloc_periph(M_WAITOK);
periph->periph_channel = chan;
periph->periph_switch = &scsi_probe_dev;
periph->periph_target = target;
periph->periph_lun = lun;
periph->periph_quirks = chan->chan_defquirks;
#ifdef SCSIPI_DEBUG
if (SCSIPI_DEBUG_TYPE == SCSIPI_BUSTYPE_SCSI &&
SCSIPI_DEBUG_TARGET == target &&
SCSIPI_DEBUG_LUN == lun)
periph->periph_dbflags |= SCSIPI_DEBUG_FLAGS;
#endif
/*
* Ask the device what it is
*/
#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(periph, XS_CTL_DISCOVERY | XS_CTL_SILENT);
#endif /* SCSI_2_DEF */
/* Now go ask the device all about itself. */
memset(&inqbuf, 0, sizeof(inqbuf));
{
u_int8_t *extension = &inqbuf.flags1;
int len = 0;
while (len < 3)
extension[len++] = '\0';
while (len < 3 + 28)
extension[len++] = ' ';
while (len < 3 + 28 + 20)
extension[len++] = '\0';
while (len < 3 + 28 + 20 + 1)
extension[len++] = '\0';
while (len < 3 + 28 + 20 + 1 + 1)
extension[len++] = '\0';
while (len < 3 + 28 + 20 + 1 + 1 + (8*2))
extension[len++] = ' ';
}
if (scsipi_inquire(periph, &inqbuf, XS_CTL_DISCOVERY | XS_CTL_SILENT))
goto bad;
periph->periph_type = inqbuf.device & SID_TYPE;
if (inqbuf.dev_qual2 & SID_REMOVABLE)
periph->periph_flags |= PERIPH_REMOVABLE;
periph->periph_version = inqbuf.version & SID_ANSII;
/*
* 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_PRESENT:
checkdtype = 1;
break;
case SID_QUAL_LU_NOTPRESENT:
case SID_QUAL_reserved:
case SID_QUAL_LU_NOT_SUPP:
goto bad;
default:
break;
}
/* Let the adapter driver handle the device separately if it wants. */
if (chan->chan_adapter->adapt_accesschk != NULL &&
(*chan->chan_adapter->adapt_accesschk)(periph, &sa.sa_inqbuf))
goto bad;
if (checkdtype) {
switch (periph->periph_type) {
case T_DIRECT:
case T_SEQUENTIAL:
case T_PRINTER:
case T_PROCESSOR:
case T_WORM:
case T_CDROM:
case T_SCANNER:
case T_OPTICAL:
case T_CHANGER:
case T_COMM:
case T_IT8_1:
case T_IT8_2:
case T_STORARRAY:
case T_ENCLOSURE:
case T_SIMPLE_DIRECT:
case T_OPTIC_CARD_RW:
case T_OBJECT_STORED:
default:
break;
case T_NODEVICE:
goto bad;
}
}
sa.sa_periph = periph;
sa.sa_inqbuf.type = inqbuf.device;
sa.sa_inqbuf.removable = inqbuf.dev_qual2 & SID_REMOVABLE ?
T_REMOV : T_FIXED;
sa.sa_inqbuf.vendor = inqbuf.vendor;
sa.sa_inqbuf.product = inqbuf.product;
sa.sa_inqbuf.revision = inqbuf.revision;
sa.scsipi_info.scsi_version = inqbuf.version;
sa.sa_inqptr = &inqbuf;
finger = scsipi_inqmatch(
&sa.sa_inqbuf, scsi_quirk_patterns,
sizeof(scsi_quirk_patterns)/sizeof(scsi_quirk_patterns[0]),
sizeof(scsi_quirk_patterns[0]), &priority);
if (finger != NULL)
quirks = finger->quirks;
else
quirks = 0;
/*
* Determine the operating mode capabilities of the device.
*/
if (periph->periph_version >= 2) {
if ((inqbuf.flags3 & SID_CmdQue) != 0 &&
(quirks & PQUIRK_NOTAG) == 0)
periph->periph_cap |= PERIPH_CAP_TQING;
if ((inqbuf.flags3 & SID_Linked) != 0)
periph->periph_cap |= PERIPH_CAP_LINKCMDS;
if ((inqbuf.flags3 & SID_Sync) != 0 &&
(quirks & PQUIRK_NOSYNC) == 0)
periph->periph_cap |= PERIPH_CAP_SYNC;
if ((inqbuf.flags3 & SID_WBus16) != 0 &&
(quirks & PQUIRK_NOWIDE) == 0)
periph->periph_cap |= PERIPH_CAP_WIDE16;
if ((inqbuf.flags3 & SID_WBus32) != 0 &&
(quirks & PQUIRK_NOWIDE) == 0)
periph->periph_cap |= PERIPH_CAP_WIDE32;
if ((inqbuf.flags3 & SID_SftRe) != 0)
periph->periph_cap |= PERIPH_CAP_SFTRESET;
if ((inqbuf.flags3 & SID_RelAdr) != 0)
periph->periph_cap |= PERIPH_CAP_RELADR;
/* SPC-2 */
if (periph->periph_version >= 3 &&
!(quirks & PQUIRK_CAP_NODT)){
/*
* Report ST clocking though CAP_WIDExx/CAP_SYNC.
* If the device only supports DT, clear these
* flags (DT implies SYNC and WIDE)
*/
switch (inqbuf.flags4 & SID_Clocking) {
case SID_CLOCKING_DT_ONLY:
periph->periph_cap &=
~(PERIPH_CAP_SYNC |
PERIPH_CAP_WIDE16 |
PERIPH_CAP_WIDE32);
/* FALLTHROUGH */
case SID_CLOCKING_SD_DT:
periph->periph_cap |= PERIPH_CAP_DT;
break;
default: /* ST only or invalid */
/* nothing to do */
break;
}
}
if (periph->periph_version >= 3) {
if (inqbuf.flags4 & SID_IUS)
periph->periph_cap |= PERIPH_CAP_IUS;
if (inqbuf.flags4 & SID_QAS)
periph->periph_cap |= PERIPH_CAP_QAS;
}
}
if (quirks & PQUIRK_CAP_SYNC)
periph->periph_cap |= PERIPH_CAP_SYNC;
if (quirks & PQUIRK_CAP_WIDE16)
periph->periph_cap |= PERIPH_CAP_WIDE16;
/*
* Now apply any quirks from the table.
*/
periph->periph_quirks |= quirks;
if (periph->periph_version == 0 &&
(periph->periph_quirks & PQUIRK_FORCELUNS) == 0)
periph->periph_quirks |= PQUIRK_NOLUNS;
if ((periph->periph_quirks & PQUIRK_NOLUNS) == 0)
docontinue = 1;
locs[SCSIBUSCF_TARGET] = target;
locs[SCSIBUSCF_LUN] = lun;
KERNEL_LOCK(1, NULL);
if ((cf = config_search(sc->sc_dev, &sa,
CFARGS(.submatch = config_stdsubmatch,
.locators = locs))) != NULL) {
scsipi_insert_periph(chan, periph);
/*
* Determine supported opcodes and timeouts if available.
* Only do this on peripherals reporting SCSI version 3
* or greater - this command isn't in the SCSI-2 spec. and
* it causes either timeouts or peripherals disappearing
* when sent to some SCSI-1 or SCSI-2 peripherals.
*/
if (periph->periph_version >= 3)
scsipi_get_opcodeinfo(periph);
/*
* XXX Can't assign periph_dev here, because we'll
* XXX need it before config_attach() returns. Must
* XXX assign it in periph driver.
*/
config_attach(sc->sc_dev, cf, &sa, scsibusprint,
CFARGS(.locators = locs));
KERNEL_UNLOCK_ONE(NULL);
} else {
scsibusprint(&sa, device_xname(sc->sc_dev));
aprint_normal(" not configured\n");
KERNEL_UNLOCK_ONE(NULL);
goto bad;
}
return (docontinue);
bad:
scsipi_free_periph(periph);
return (docontinue);
}
/****** Entry points for user control of the SCSI bus. ******/
static int
scsibusopen(dev_t dev, int flag, int fmt,
struct lwp *l)
{
struct scsibus_softc *sc;
int error, unit = minor(dev);
sc = device_lookup_private(&scsibus_cd, unit);
if (sc == NULL)
return (ENXIO);
if (sc->sc_flags & SCSIBUSF_OPEN)
return (EBUSY);
if ((error = scsipi_adapter_addref(sc->sc_channel->chan_adapter)) != 0)
return (error);
sc->sc_flags |= SCSIBUSF_OPEN;
return (0);
}
static int
scsibusclose(dev_t dev, int flag, int fmt,
struct lwp *l)
{
struct scsibus_softc *sc;
sc = device_lookup_private(&scsibus_cd, minor(dev));
scsipi_adapter_delref(sc->sc_channel->chan_adapter);
sc->sc_flags &= ~SCSIBUSF_OPEN;
return (0);
}
static int
scsibusioctl(dev_t dev, u_long cmd, void *addr, int flag, struct lwp *l)
{
struct scsibus_softc *sc;
struct scsipi_channel *chan;
int error;
sc = device_lookup_private(&scsibus_cd, minor(dev));
chan = sc->sc_channel;
/*
* Enforce write permission for ioctls that change the
* state of the bus. Host adapter specific ioctls must
* be checked by the adapter driver.
*/
switch (cmd) {
case SCBUSIOSCAN:
case SCBUSIODETACH:
case SCBUSIORESET:
if ((flag & FWRITE) == 0)
return (EBADF);
}
switch (cmd) {
case SCBUSIOSCAN:
{
struct scbusioscan_args *a =
(struct scbusioscan_args *)addr;
error = scsi_probe_bus(sc, a->sa_target, a->sa_lun);
break;
}
case SCBUSIODETACH:
{
struct scbusiodetach_args *a =
(struct scbusiodetach_args *)addr;
error = scsipi_target_detach(chan, a->sa_target, a->sa_lun, 0);
break;
}
case SCBUSIORESET:
/* FALLTHROUGH */
default:
error = scsipi_adapter_ioctl(chan, cmd, addr, flag, l->l_proc);
break;
}
return (error);
}
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