546 lines
14 KiB
C
546 lines
14 KiB
C
/* $NetBSD: scsiconf.c,v 1.22 1995/01/12 10:25:44 mycroft Exp $ */
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/*
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* Copyright (c) 1994 Charles Hannum. 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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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Charles Hannum.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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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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/*
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* Originally written by Julian Elischer (julian@tfs.com)
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* for TRW Financial Systems for use under the MACH(2.5) operating system.
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*
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* TRW Financial Systems, in accordance with their agreement with Carnegie
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* Mellon University, makes this software available to CMU to distribute
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* or use in any manner that they see fit as long as this message is kept with
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* the software. For this reason TFS also grants any other persons or
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* organisations permission to use or modify this software.
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*
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* TFS supplies this software to be publicly redistributed
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* on the understanding that TFS is not responsible for the correct
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* functioning of this software in any circumstances.
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*
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* Ported to run under 386BSD by Julian Elischer (julian@tfs.com) Sept 1992
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*/
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#include <sys/types.h>
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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 <scsi/scsi_all.h>
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#include <scsi/scsiconf.h>
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#if 0
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#if NCALS > 0
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{ T_PROCESSOR, T_FIXED, 1,
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0, 0, 0 },
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#endif /* NCALS */
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#if NBLL > 0
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{ T_PROCESSOR, T_FIXED, 1,
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"AEG ", "READER ", "V1.0" },
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#endif /* NBLL */
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#if NKIL > 0
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{ T_SCANNER, T_FIXED, 0,
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"KODAK ", "IL Scanner 900 ", 0 },
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#endif /* NKIL */
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#endif
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/*
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* Declarations
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*/
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void scsi_probedev __P((struct scsibus_softc *, int, int));
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int scsi_probe_bus __P((int bus, int target, int lun));
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struct scsi_device probe_switch = {
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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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int scsibusmatch __P((struct device *, void *, void *));
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void scsibusattach __P((struct device *, struct device *, void *));
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struct cfdriver scsibuscd = {
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NULL, "scsibus", scsibusmatch, scsibusattach, DV_DULL,
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sizeof(struct scsibus_softc)
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};
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int
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scsibusmatch(parent, match, aux)
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struct device *parent;
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void *match, *aux;
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{
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return 1;
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}
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/*
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* The routine called by the adapter boards to get all their
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* devices configured in.
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*/
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void
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scsibusattach(parent, self, aux)
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struct device *parent, *self;
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void *aux;
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{
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struct scsibus_softc *sb = (struct scsibus_softc *)self;
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struct scsi_link *sc_link_proto = aux;
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sc_link_proto->scsibus = sb->sc_dev.dv_unit;
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sb->adapter_link = sc_link_proto;
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printf("\n");
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#if defined(SCSI_DELAY) && SCSI_DELAY > 2
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printf("%s: waiting for scsi devices to settle\n",
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sb->sc_dev.dv_xname);
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#else /* SCSI_DELAY > 2 */
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#undef SCSI_DELAY
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#define SCSI_DELAY 2
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#endif /* SCSI_DELAY */
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delay(1000000 * SCSI_DELAY);
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scsi_probe_bus(sb->sc_dev.dv_unit, -1, -1);
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}
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int
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scsibussubmatch(parent, match, aux)
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struct device *parent;
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void *match, *aux;
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{
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struct cfdata *cf = match;
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struct scsibus_attach_args *sa = aux;
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struct scsi_link *sc_link = sa->sa_sc_link;
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if (cf->cf_loc[0] != -1 && cf->cf_loc[0] != sc_link->target)
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return 0;
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if (cf->cf_loc[1] != -1 && cf->cf_loc[1] != sc_link->lun)
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return 0;
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return ((*cf->cf_driver->cd_match)(parent, match, aux));
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}
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/*
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* Probe the requested scsi bus. It must be already set up.
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* -1 requests all set up scsi busses.
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* target and lun optionally narrow the search if not -1
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*/
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int
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scsi_probe_busses(bus, target, lun)
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int bus, target, lun;
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{
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if (bus == -1) {
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for (bus = 0; bus < scsibuscd.cd_ndevs; bus++)
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if (scsibuscd.cd_devs[bus])
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scsi_probe_bus(bus, target, lun);
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return 0;
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} else {
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return scsi_probe_bus(bus, target, lun);
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}
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}
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/*
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* Probe the requested scsi bus. It must be already set up.
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* target and lun optionally narrow the search if not -1
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*/
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int
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scsi_probe_bus(bus, target, lun)
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int bus, target, lun;
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{
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struct scsibus_softc *scsi;
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int maxtarget, mintarget, maxlun, minlun;
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u_int8_t scsi_addr;
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if (bus < 0 || bus >= scsibuscd.cd_ndevs)
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return ENXIO;
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scsi = scsibuscd.cd_devs[bus];
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if (!scsi)
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return ENXIO;
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scsi_addr = scsi->adapter_link->adapter_target;
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if (target == -1) {
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maxtarget = 7;
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mintarget = 0;
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} else {
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if (target < 0 || target > 7)
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return EINVAL;
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maxtarget = mintarget = target;
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}
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if (lun == -1) {
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maxlun = 7;
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minlun = 0;
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} else {
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if (lun < 0 || lun > 7)
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return EINVAL;
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maxlun = minlun = lun;
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}
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for (target = mintarget; target <= maxtarget; target++) {
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if (target == scsi_addr)
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continue;
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for (lun = minlun; lun <= maxlun; lun++) {
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/*
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* See if there's a device present, and configure it.
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*/
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scsi_probedev(scsi, target, lun);
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if ((scsi->moreluns & (1 << target)) == 0)
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break;
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/* otherwise something says we should look further */
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}
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}
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return 0;
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}
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void
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scsi_strvis(dst, src, len)
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u_char *dst, *src;
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int len;
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{
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/* Trim leading and trailing blanks. */
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while (len > 0 && src[0] == ' ')
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++src, --len;
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while (len > 0 && src[len-1] == ' ')
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--len;
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while (len > 0) {
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if (*src < 0x20 || *src >= 0x80) {
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/* non-printable characters */
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*dst++ = '\\';
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*dst++ = ((*src & 0300) >> 6) + '0';
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*dst++ = ((*src & 0070) >> 3) + '0';
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*dst++ = ((*src & 0007) >> 0) + '0';
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} else if (*src == '\\') {
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/* quote characters */
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*dst++ = '\\';
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*dst++ = '\\';
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} else {
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/* normal characters */
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*dst++ = *src;
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}
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++src, --len;
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}
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*dst++ = 0;
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}
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struct scsi_quirk_inquiry_pattern {
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struct scsi_inquiry_pattern pattern;
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u_int8_t quirks;
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};
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struct scsi_quirk_inquiry_pattern scsi_quirk_patterns[] = {
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{T_CDROM, T_REMOV,
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"CHINON ", "CD-ROM CDS-431 ", "H42", SDEV_NOLUNS},
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{T_CDROM, T_REMOV,
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"CHINON ", "CD-ROM CDS-535 ", "Q14", SDEV_NOLUNS},
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{T_CDROM, T_REMOV,
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"DENON ", "DRD-25X ", "V", SDEV_NOLUNS},
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{T_CDROM, T_REMOV,
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"IMS ", "CDD521/10 ", "2.06", SDEV_NOLUNS},
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{T_CDROM, T_REMOV,
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"NEC ", "CD-ROM DRIVE:83 ", "1.2 ", SDEV_NOLUNS},
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{T_CDROM, T_REMOV,
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"NEC ", "CD-ROM DRIVE:841", "1.0 ", SDEV_NOLUNS},
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{T_CDROM, T_REMOV,
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"SONY ", "CD-ROM CDU-541 ", "4.3d", SDEV_NOLUNS},
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{T_CDROM, T_REMOV,
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"SONY ", "CD-ROM CDU-55S ", "1.0i", SDEV_NOLUNS},
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{T_CDROM, T_REMOV,
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"TEAC ", "CD-ROM ", "1.06", SDEV_NOLUNS},
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{T_CDROM, T_REMOV,
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"TEXEL ", "CD-ROM ", "1.06", SDEV_NOLUNS},
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{T_CDROM, T_REMOV,
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"MEDIAVIS", "CDR-H93MV ", "1.31", SDEV_NOLUNS},
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{T_DIRECT, T_FIXED,
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"MAXTOR ", "XT-3280 ", "PR02", SDEV_NOLUNS},
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{T_DIRECT, T_FIXED,
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"MAXTOR ", "XT-4380S ", "B3C", SDEV_NOLUNS},
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{T_DIRECT, T_FIXED,
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"MAXTOR ", "MXT-1240S ", "I1.2", SDEV_NOLUNS},
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{T_DIRECT, T_FIXED,
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"MAXTOR ", "XT-4170S ", "B5A", SDEV_NOLUNS},
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{T_DIRECT, T_FIXED,
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"MAXTOR ", "XT-8760S ", "B7B", SDEV_NOLUNS},
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{T_DIRECT, T_FIXED,
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"RODIME ", "RO3000S ", "2.33", SDEV_NOLUNS},
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{T_DIRECT, T_FIXED,
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"SEAGATE ", "ST157N ", "\004|j", SDEV_NOLUNS},
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{T_DIRECT, T_FIXED,
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"SEAGATE ", "ST296 ", "921", SDEV_NOLUNS},
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{T_DIRECT, T_FIXED,
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"QUANTUM ", "LPS525S ", "3110", SDEV_NOLUNS},
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{T_DIRECT, T_FIXED,
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"QUANTUM ", "PD1225S ", "3110", SDEV_NOLUNS},
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{T_SEQUENTIAL, T_REMOV,
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"TANDBERG", " TDC 3600 ", "U07", SDEV_NOLUNS},
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{T_SEQUENTIAL, T_REMOV,
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"SONY ", "SDT-2000 ", "2.09", SDEV_NOLUNS},
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{T_SEQUENTIAL, T_REMOV,
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"SONY ", "SDT-5000 ", "3.17", SDEV_NOSYNCWIDE},
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{T_SEQUENTIAL, T_REMOV,
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"WangDAT ", "Model 1300 ", "02.4", SDEV_NOSYNCWIDE},
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{T_SEQUENTIAL, T_REMOV,
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"WangDAT ", "Model 2600 ", "01.7", SDEV_NOSYNCWIDE},
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{T_SEQUENTIAL, T_REMOV,
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"WangDAT ", "Model 3200 ", "02.2", SDEV_NOSYNCWIDE},
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};
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/*
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* given a target and lu, ask the device what
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* it is, and find the correct driver table
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* entry.
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*/
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void
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scsi_probedev(scsi, target, lun)
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struct scsibus_softc *scsi;
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int target, lun;
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{
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struct scsi_link *sc_link;
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static struct scsi_inquiry_data inqbuf;
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struct scsi_quirk_inquiry_pattern *finger;
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int priority;
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u_int8_t type;
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boolean removable;
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char *dtype, *qtype;
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char vendor[33], product[65], revision[17];
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struct scsibus_attach_args sa;
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struct cfdata *cf;
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/* Skip this slot if it is already attached. */
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if (scsi->sc_link[target][lun])
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return;
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sc_link = malloc(sizeof(*sc_link), M_DEVBUF, M_NOWAIT);
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*sc_link = *scsi->adapter_link;
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sc_link->target = target;
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sc_link->lun = lun;
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sc_link->device = &probe_switch;
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/*
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* Ask the device what it is
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*/
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#ifdef SCSIDEBUG
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if (target == DEBUGTARGET && lun == DEBUGLUN)
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sc_link->flags |= DEBUGLEVEL;
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else
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sc_link->flags &= ~(SDEV_DB1 | SDEV_DB2 | SDEV_DB3 | SDEV_DB4);
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#endif /* SCSIDEBUG */
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(void) scsi_test_unit_ready(sc_link,
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SCSI_AUTOCONF | SCSI_IGNORE_ILLEGAL_REQUEST | SCSI_IGNORE_NOT_READY | SCSI_IGNORE_MEDIA_CHANGE);
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#ifdef SCSI_2_DEF
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/* some devices need to be told to go to SCSI2 */
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/* However some just explode if you tell them this.. leave it out */
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scsi_change_def(sc_link, SCSI_AUTOCONF | SCSI_SILENT);
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#endif /* SCSI_2_DEF */
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/* Now go ask the device all about itself. */
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bzero(&inqbuf, sizeof(inqbuf));
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if (scsi_inquire(sc_link, &inqbuf, SCSI_AUTOCONF) != 0)
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goto bad;
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{
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int len = inqbuf.additional_length;
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while (len < 3)
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inqbuf.unused[len++] = '\0';
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while (len < 3 + 28)
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inqbuf.unused[len++] = ' ';
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}
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finger = (struct scsi_quirk_inquiry_pattern *)scsi_inqmatch(&inqbuf,
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(caddr_t)scsi_quirk_patterns,
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sizeof(scsi_quirk_patterns)/sizeof(scsi_quirk_patterns[0]),
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sizeof(scsi_quirk_patterns[0]), &priority);
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if (priority != 0)
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sc_link->quirks |= finger->quirks;
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if ((inqbuf.version & SID_ANSII) == 0)
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sc_link->quirks |= SDEV_NOLUNS;
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if ((sc_link->quirks & SDEV_NOLUNS) == 0)
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scsi->moreluns |= (1 << target);
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/*
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* note what BASIC type of device it is
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*/
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type = inqbuf.device & SID_TYPE;
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removable = inqbuf.dev_qual2 & SID_REMOVABLE ? 1 : 0;
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if (removable)
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sc_link->flags |= SDEV_REMOVABLE;
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/*
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* Any device qualifier that has the top bit set (qualifier&4 != 0)
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* is vendor specific and won't match in this switch.
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*/
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dtype = 0;
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switch (inqbuf.device & SID_QUAL) {
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case SID_QUAL_LU_OK:
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qtype = "";
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break;
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case SID_QUAL_LU_OFFLINE:
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qtype = " offline";
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break;
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case SID_QUAL_RSVD:
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case SID_QUAL_BAD_LU:
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goto bad;
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default:
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qtype = "";
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dtype = "vendor-unique";
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break;
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}
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if (dtype == 0) {
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switch (type) {
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case T_DIRECT:
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dtype = "direct";
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break;
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case T_SEQUENTIAL:
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dtype = "sequential";
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break;
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case T_PRINTER:
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dtype = "printer";
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break;
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case T_PROCESSOR:
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dtype = "processor";
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break;
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case T_CDROM:
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dtype = "cdrom";
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break;
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case T_WORM:
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dtype = "worm";
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break;
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case T_SCANNER:
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dtype = "scanner";
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break;
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case T_OPTICAL:
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dtype = "optical";
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break;
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case T_CHANGER:
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dtype = "changer";
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break;
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case T_COMM:
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dtype = "communication";
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break;
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case T_NODEVICE:
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goto bad;
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default:
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dtype = "unknown";
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break;
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}
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}
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scsi_strvis(vendor, inqbuf.vendor, 8);
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scsi_strvis(product, inqbuf.product, 16);
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scsi_strvis(revision, inqbuf.revision, 4);
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printf("%s targ %d lun %d: <%s, %s, %s> SCSI%d %d/%s %s%s\n",
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((struct device *)sc_link->adapter_softc)->dv_xname,
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target, lun, vendor, product, revision,
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inqbuf.version & SID_ANSII, type, dtype,
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removable ? "removable" : "fixed", qtype);
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sa.sa_sc_link = sc_link;
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sa.sa_inqbuf = &inqbuf;
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if ((cf = config_search(scsibussubmatch, (struct device *)scsi, &sa)) != 0) {
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config_attach((struct device *)scsi, cf, &sa, NULL);
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scsi->sc_link[target][lun] = sc_link;
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} else
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goto bad;
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return;
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bad:
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free(sc_link, M_DEVBUF);
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return;
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}
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/*
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* 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 0
|
|
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);
|
|
}
|