322 lines
8.8 KiB
C
322 lines
8.8 KiB
C
/* $NetBSD: atapiconf.c,v 1.95 2022/04/09 23:38:32 riastradh Exp $ */
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/*
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* Copyright (c) 1996, 2001 Manuel Bouyer. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: atapiconf.c,v 1.95 2022/04/09 23:38:32 riastradh Exp $");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/malloc.h>
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#include <sys/device.h>
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#include <sys/buf.h>
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#include <sys/proc.h>
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#include <sys/kthread.h>
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#include <sys/atomic.h>
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#include <dev/scsipi/scsipi_all.h>
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#include <dev/scsipi/scsipiconf.h>
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#include <dev/scsipi/atapiconf.h>
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#include "locators.h"
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#define SILENT_PRINTF(flags,string) if (!(flags & A_SILENT)) printf string
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#define MAX_TARGET 1
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const struct scsipi_periphsw atapi_probe_periphsw = {
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NULL,
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NULL,
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NULL,
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NULL,
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};
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static int atapibusmatch(device_t, cfdata_t, void *);
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static void atapibusattach(device_t, device_t, void *);
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static int atapibusdetach(device_t, int flags);
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static void atapibuschilddet(device_t, device_t);
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static int atapibussubmatch(device_t, cfdata_t, const int *, void *);
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static int atapi_probe_bus(struct atapibus_softc *, int);
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static int atapibusprint(void *, const char *);
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CFATTACH_DECL3_NEW(atapibus, sizeof(struct atapibus_softc),
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atapibusmatch, atapibusattach, atapibusdetach, NULL, NULL,
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atapibuschilddet, DVF_DETACH_SHUTDOWN);
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extern struct cfdriver atapibus_cd;
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static const struct scsi_quirk_inquiry_pattern atapi_quirk_patterns[] = {
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{{T_CDROM, T_REMOV,
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"ALPS ELECTRIC CO.,LTD. DC544C", "", "SW03D"}, PQUIRK_NOTUR},
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{{T_CDROM, T_REMOV,
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"CR-2801TE", "", "1.07"}, PQUIRK_NOSENSE},
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{{T_CDROM, T_REMOV,
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"CREATIVECD3630E", "", "AC101"}, PQUIRK_NOSENSE},
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{{T_CDROM, T_REMOV,
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"FX320S", "", "q01"}, PQUIRK_NOSENSE},
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{{T_CDROM, T_REMOV,
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"GCD-R580B", "", "1.00"}, PQUIRK_LITTLETOC},
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{{T_CDROM, T_REMOV,
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"HITACHI CDR-7730", "", "0008a"}, PQUIRK_NOSENSE},
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{{T_CDROM, T_REMOV,
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"MATSHITA CR-574", "", "1.02"}, PQUIRK_NOCAPACITY},
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{{T_CDROM, T_REMOV,
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"MATSHITA CR-574", "", "1.06"}, PQUIRK_NOCAPACITY},
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{{T_CDROM, T_REMOV,
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"Memorex CRW-2642", "", "1.0g"}, PQUIRK_NOSENSE},
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{{T_CDROM, T_REMOV,
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"NEC CD-ROM DRIVE:273", "", "4.21"}, PQUIRK_NOTUR},
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{{T_CDROM, T_REMOV,
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"SANYO CRD-256P", "", "1.02"}, PQUIRK_NOCAPACITY},
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{{T_CDROM, T_REMOV,
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"SANYO CRD-254P", "", "1.02"}, PQUIRK_NOCAPACITY},
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{{T_CDROM, T_REMOV,
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"SANYO CRD-S54P", "", "1.08"}, PQUIRK_NOCAPACITY},
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{{T_CDROM, T_REMOV,
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"CD-ROM CDR-S1", "", "1.70"}, PQUIRK_NOCAPACITY}, /* Sanyo */
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{{T_CDROM, T_REMOV,
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"CD-ROM CDR-N16", "", "1.25"}, PQUIRK_NOCAPACITY}, /* Sanyo */
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};
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int
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atapiprint(void *aux, const char *pnp)
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{
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if (pnp)
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aprint_normal("atapibus at %s", pnp);
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return (UNCONF);
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}
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static int
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atapibusmatch(device_t parent, cfdata_t cf, void *aux)
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{
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struct scsipi_channel *chan = aux;
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if (chan == NULL)
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return (0);
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if (SCSIPI_BUSTYPE_TYPE(chan->chan_bustype->bustype_type) !=
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SCSIPI_BUSTYPE_ATAPI)
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return (0);
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return (1);
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}
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static int
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atapibussubmatch(device_t parent, cfdata_t cf, const int *ldesc, void *aux)
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{
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struct scsipibus_attach_args *sa = aux;
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struct scsipi_periph *periph = sa->sa_periph;
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if (cf->cf_loc[ATAPIBUSCF_DRIVE] != ATAPIBUSCF_DRIVE_DEFAULT &&
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cf->cf_loc[ATAPIBUSCF_DRIVE] != periph->periph_target)
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return (0);
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return (config_match(parent, cf, aux));
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}
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static void
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atapibusattach(device_t parent, device_t self, void *aux)
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{
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struct atapibus_softc *sc = device_private(self);
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struct scsipi_channel *chan = aux;
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sc->sc_channel = chan;
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sc->sc_dev = self;
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chan->chan_name = device_xname(sc->sc_dev);
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chan->chan_id = -1;
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/* ATAPI has no LUNs. */
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chan->chan_nluns = 1;
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aprint_naive("\n");
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aprint_normal(": %d targets\n", chan->chan_ntargets);
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if (atomic_inc_uint_nv(&chan_running(chan)) == 1)
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mutex_init(chan_mtx(chan), MUTEX_DEFAULT, IPL_BIO);
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cv_init(&chan->chan_cv_thr, "scshut");
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cv_init(&chan->chan_cv_comp, "sccomp");
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cv_init(&chan->chan_cv_xs, "xscmd");
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/* Initialize the channel. */
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chan->chan_init_cb = NULL;
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chan->chan_init_cb_arg = NULL;
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scsipi_channel_init(chan);
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if (!pmf_device_register(self, NULL, NULL))
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aprint_error_dev(self, "couldn't establish power handler\n");
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/* Probe the bus for devices. */
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atapi_probe_bus(sc, -1);
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}
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static void
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atapibuschilddet(device_t self, device_t child)
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{
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struct atapibus_softc *sc = device_private(self);
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struct scsipi_channel *chan = sc->sc_channel;
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struct scsipi_periph *periph;
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int target;
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mutex_enter(chan_mtx(chan));
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for (target = 0; target < chan->chan_ntargets; target++) {
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periph = scsipi_lookup_periph_locked(chan, target, 0);
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if (periph == NULL || periph->periph_dev != child)
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continue;
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scsipi_remove_periph(chan, periph);
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scsipi_free_periph(periph);
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break;
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}
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mutex_exit(chan_mtx(chan));
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}
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/* same as scsibusdetach */
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static int
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atapibusdetach(device_t self, int flags)
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{
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struct atapibus_softc *sc = device_private(self);
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struct scsipi_channel *chan = sc->sc_channel;
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int error = 0;
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/*
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* Detach all of the periphs.
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*/
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error = scsipi_target_detach(chan, -1, -1, flags);
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if (error)
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return error;
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pmf_device_deregister(self);
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/*
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* Shut down the channel.
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*/
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scsipi_channel_shutdown(chan);
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cv_destroy(&chan->chan_cv_xs);
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cv_destroy(&chan->chan_cv_comp);
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cv_destroy(&chan->chan_cv_thr);
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membar_release();
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if (atomic_dec_uint_nv(&chan_running(chan)) == 0) {
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membar_acquire();
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mutex_destroy(chan_mtx(chan));
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}
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return 0;
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}
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static int
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atapi_probe_bus(struct atapibus_softc *sc, int target)
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{
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struct scsipi_channel *chan = sc->sc_channel;
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int maxtarget, mintarget;
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int error;
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struct atapi_adapter *atapi_adapter;
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KASSERT(chan->chan_ntargets >= 1);
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if (target == -1) {
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maxtarget = chan->chan_ntargets - 1;
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mintarget = 0;
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} else {
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if (target < 0 || target >= chan->chan_ntargets)
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return (ENXIO);
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maxtarget = mintarget = target;
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}
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if ((error = scsipi_adapter_addref(chan->chan_adapter)) != 0)
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return (error);
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atapi_adapter = (struct atapi_adapter*)chan->chan_adapter;
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for (target = mintarget; target <= maxtarget; target++)
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atapi_adapter->atapi_probe_device(sc, target);
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scsipi_adapter_delref(chan->chan_adapter);
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return (0);
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}
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void *
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atapi_probe_device(struct atapibus_softc *sc, int target,
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struct scsipi_periph *periph, struct scsipibus_attach_args *sa)
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{
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struct scsipi_channel *chan = sc->sc_channel;
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const struct scsi_quirk_inquiry_pattern *finger;
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cfdata_t cf;
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int priority, quirks;
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finger = scsipi_inqmatch(
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&sa->sa_inqbuf, (const void *)atapi_quirk_patterns,
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sizeof(atapi_quirk_patterns) /
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sizeof(atapi_quirk_patterns[0]),
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sizeof(atapi_quirk_patterns[0]), &priority);
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if (finger != NULL)
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quirks = finger->quirks;
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else
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quirks = 0;
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/*
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* Now apply any quirks from the table.
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*/
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periph->periph_quirks |= quirks;
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if ((cf = config_search(sc->sc_dev, sa,
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CFARGS(.submatch =
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atapibussubmatch))) != NULL) {
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scsipi_insert_periph(chan, periph);
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/*
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* XXX Can't assign periph_dev here, because we'll
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* XXX need it before config_attach() returns. Must
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* XXX assign it in periph driver.
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*/
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return config_attach(sc->sc_dev, cf, sa, atapibusprint,
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CFARGS_NONE);
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} else {
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atapibusprint(sa, device_xname(sc->sc_dev));
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aprint_normal(" not configured\n");
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scsipi_free_periph(periph);
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return NULL;
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}
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}
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static int
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atapibusprint(void *aux, const char *pnp)
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{
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struct scsipibus_attach_args *sa = aux;
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struct scsipi_inquiry_pattern *inqbuf;
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const char *dtype;
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if (pnp != NULL)
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aprint_normal("%s", pnp);
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inqbuf = &sa->sa_inqbuf;
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dtype = scsipi_dtype(inqbuf->type & SID_TYPE);
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aprint_normal(" drive %d: <%s, %s, %s> %s %s",
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sa->sa_periph->periph_target, inqbuf->vendor,
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inqbuf->product, inqbuf->revision, dtype,
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inqbuf->removable ? "removable" : "fixed");
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return (UNCONF);
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}
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