1999-06-06 23:16:18 +04:00
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/* $NetBSD: mscp_disk.c,v 1.21 1999/06/06 19:16:18 ragge Exp $ */
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1999-05-29 23:11:41 +04:00
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/*
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* Copyright (c) 1996 Ludd, University of Lule}, Sweden.
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* Copyright (c) 1988 Regents of the University of California.
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* All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Chris Torek.
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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 the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)uda.c 7.32 (Berkeley) 2/13/91
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*/
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/*
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* RA disk device driver
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* RX MSCP floppy disk device driver
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*/
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/*
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* TODO
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* write bad block forwarding code
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*/
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#include <sys/param.h>
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#include <sys/buf.h>
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#include <sys/device.h>
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#include <sys/disk.h>
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#include <sys/disklabel.h>
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#include <sys/ioctl.h>
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#include <sys/stat.h>
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#include <sys/fcntl.h>
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#include <sys/reboot.h>
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#include <sys/proc.h>
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#include <sys/systm.h>
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#include <ufs/ufs/dinode.h>
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#include <ufs/ffs/fs.h>
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1999-06-06 23:16:18 +04:00
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#include <machine/bus.h>
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1999-05-29 23:11:41 +04:00
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#include <machine/cpu.h>
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#include <machine/rpb.h>
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1999-06-06 23:16:18 +04:00
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#include <dev/mscp/mscp.h>
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#include <dev/mscp/mscpreg.h>
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#include <dev/mscp/mscpvar.h>
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1999-05-29 23:11:41 +04:00
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#include "locators.h"
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#include "ioconf.h"
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#include "ra.h"
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#define RAMAJOR 9 /* RA major device number XXX */
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/*
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* Drive status, per drive
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*/
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struct ra_softc {
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struct device ra_dev; /* Autoconf struct */
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struct disk ra_disk;
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int ra_state; /* open/closed state */
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u_long ra_mediaid; /* media id */
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int ra_hwunit; /* Hardware unit number */
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int ra_havelabel; /* true if we have a label */
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int ra_wlabel; /* label sector is currently writable */
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};
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#define rx_softc ra_softc
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void rxattach __P((struct device *, struct device *, void *));
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int rx_putonline __P((struct rx_softc *));
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void rrmakelabel __P((struct disklabel *, long));
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#if NRA
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int ramatch __P((struct device *, struct cfdata *, void *));
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void raattach __P((struct device *, struct device *, void *));
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int raopen __P((dev_t, int, int, struct proc *));
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int raclose __P((dev_t, int, int, struct proc *));
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void rastrategy __P((struct buf *));
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int raread __P((dev_t, struct uio *));
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int rawrite __P((dev_t, struct uio *));
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int raioctl __P((dev_t, int, caddr_t, int, struct proc *));
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int radump __P((dev_t, daddr_t, caddr_t, size_t));
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int rasize __P((dev_t));
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int ra_putonline __P((struct ra_softc *));
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struct cfattach ra_ca = {
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sizeof(struct ra_softc), ramatch, raattach
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};
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/*
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* More driver definitions, for generic MSCP code.
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*/
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int
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ramatch(parent, cf, aux)
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struct device *parent;
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struct cfdata *cf;
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void *aux;
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{
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struct drive_attach_args *da = aux;
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struct mscp *mp = da->da_mp;
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if ((da->da_typ & MSCPBUS_DISK) == 0)
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return 0;
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if (cf->cf_loc[MSCPBUSCF_DRIVE] != MSCPBUSCF_DRIVE_DEFAULT &&
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cf->cf_loc[MSCPBUSCF_DRIVE] != mp->mscp_unit)
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return 0;
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/*
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* Check if this disk is a floppy; then don't configure it.
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* Seems to be a safe way to test it per Chris Torek.
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*/
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if (MSCP_MID_ECH(1, mp->mscp_guse.guse_mediaid) == 'X' - '@')
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return 0;
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return 1;
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}
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/*
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* The attach routine only checks and prints drive type.
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* Bringing the disk online is done when the disk is accessed
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* the first time.
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*/
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void
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raattach(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 ra_softc *ra = (void *)self;
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struct mscp_softc *mi = (void *)parent;
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rxattach(parent, self, aux);
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/*
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* Find out if we booted from this disk.
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*/
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if ((B_TYPE(bootdev) == BDEV_UDA) && (ra->ra_hwunit == B_UNIT(bootdev))
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&& (mi->mi_ctlrnr == B_CONTROLLER(bootdev))
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&& (mi->mi_adapnr == B_ADAPTOR(bootdev)))
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booted_from = self;
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}
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/*
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* (Try to) put the drive online. This is done the first time the
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* drive is opened, or if it har fallen offline.
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*/
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int
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ra_putonline(ra)
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struct ra_softc *ra;
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{
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struct disklabel *dl;
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char *msg;
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if (rx_putonline(ra) != MSCP_DONE)
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return MSCP_FAILED;
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dl = ra->ra_disk.dk_label;
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ra->ra_state = DK_RDLABEL;
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printf("%s", ra->ra_dev.dv_xname);
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if ((msg = readdisklabel(MAKEDISKDEV(RAMAJOR, ra->ra_dev.dv_unit,
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RAW_PART), rastrategy, dl, NULL)) != NULL)
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printf(": %s", msg);
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else {
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ra->ra_havelabel = 1;
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ra->ra_state = DK_OPEN;
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}
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printf(": size %d sectors\n", dl->d_secperunit);
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return MSCP_DONE;
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}
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/*
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* Open a drive.
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*/
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/*ARGSUSED*/
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int
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raopen(dev, flag, fmt, p)
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dev_t dev;
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int flag, fmt;
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struct proc *p;
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{
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register struct ra_softc *ra;
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int part, unit, mask;
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/*
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* Make sure this is a reasonable open request.
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*/
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unit = DISKUNIT(dev);
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if (unit >= ra_cd.cd_ndevs)
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return ENXIO;
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ra = ra_cd.cd_devs[unit];
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if (ra == 0)
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return ENXIO;
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/*
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* If this is the first open; we must first try to put
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* the disk online (and read the label).
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*/
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if (ra->ra_state == DK_CLOSED)
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if (ra_putonline(ra) == MSCP_FAILED)
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return ENXIO;
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/* If the disk has no label; allow writing everywhere */
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if (ra->ra_havelabel == 0)
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ra->ra_wlabel = 1;
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part = DISKPART(dev);
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if (part >= ra->ra_disk.dk_label->d_npartitions)
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return ENXIO;
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/*
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* Wait for the state to settle
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*/
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#if notyet
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while (ra->ra_state != DK_OPEN)
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if ((error = tsleep((caddr_t)ra, (PZERO + 1) | PCATCH,
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devopn, 0))) {
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splx(s);
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return (error);
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}
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#endif
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mask = 1 << part;
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switch (fmt) {
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case S_IFCHR:
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ra->ra_disk.dk_copenmask |= mask;
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break;
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case S_IFBLK:
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ra->ra_disk.dk_bopenmask |= mask;
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break;
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}
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ra->ra_disk.dk_openmask |= mask;
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return 0;
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}
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/* ARGSUSED */
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int
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raclose(dev, flags, fmt, p)
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dev_t dev;
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int flags, fmt;
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struct proc *p;
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{
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register int unit = DISKUNIT(dev);
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register struct ra_softc *ra = ra_cd.cd_devs[unit];
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int mask = (1 << DISKPART(dev));
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switch (fmt) {
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case S_IFCHR:
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ra->ra_disk.dk_copenmask &= ~mask;
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break;
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case S_IFBLK:
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ra->ra_disk.dk_bopenmask &= ~mask;
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break;
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}
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ra->ra_disk.dk_openmask =
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ra->ra_disk.dk_copenmask | ra->ra_disk.dk_bopenmask;
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/*
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* Should wait for I/O to complete on this partition even if
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* others are open, but wait for work on blkflush().
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*/
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#if notyet
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if (ra->ra_openpart == 0) {
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1999-06-06 23:16:18 +04:00
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s = splimp();
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1999-05-29 23:11:41 +04:00
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while (udautab[unit].b_actf)
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sleep((caddr_t)&udautab[unit], PZERO - 1);
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splx(s);
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ra->ra_state = CLOSED;
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ra->ra_wlabel = 0;
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}
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#endif
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return (0);
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}
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/*
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* Queue a transfer request, and if possible, hand it to the controller.
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*/
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void
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rastrategy(bp)
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register struct buf *bp;
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{
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register int unit;
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register struct ra_softc *ra;
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/*
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* Make sure this is a reasonable drive to use.
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*/
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unit = DISKUNIT(bp->b_dev);
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if (unit > ra_cd.cd_ndevs || (ra = ra_cd.cd_devs[unit]) == NULL) {
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bp->b_error = ENXIO;
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bp->b_flags |= B_ERROR;
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goto done;
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}
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/*
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* If drive is open `raw' or reading label, let it at it.
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*/
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if (ra->ra_state == DK_RDLABEL) {
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mscp_strategy(bp, ra->ra_dev.dv_parent);
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return;
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}
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/* If disk is not online, try to put it online */
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if (ra->ra_state == DK_CLOSED)
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if (ra_putonline(ra) == MSCP_FAILED) {
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bp->b_flags |= B_ERROR;
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bp->b_error = EIO;
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goto done;
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}
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/*
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* Determine the size of the transfer, and make sure it is
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* within the boundaries of the partition.
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*/
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if (bounds_check_with_label(bp, ra->ra_disk.dk_label,
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ra->ra_wlabel) <= 0)
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goto done;
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/* Make some statistics... /bqt */
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ra->ra_disk.dk_xfer++;
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ra->ra_disk.dk_bytes += bp->b_bcount;
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mscp_strategy(bp, ra->ra_dev.dv_parent);
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return;
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done:
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biodone(bp);
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}
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int
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raread(dev, uio)
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dev_t dev;
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struct uio *uio;
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{
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return (physio(rastrategy, NULL, dev, B_READ, minphys, uio));
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}
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int
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rawrite(dev, uio)
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dev_t dev;
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struct uio *uio;
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{
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return (physio(rastrategy, NULL, dev, B_WRITE, minphys, uio));
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}
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/*
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* I/O controls.
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*/
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int
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raioctl(dev, cmd, data, flag, p)
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dev_t dev;
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int cmd;
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caddr_t data;
|
|
|
|
int flag;
|
|
|
|
struct proc *p;
|
|
|
|
{
|
|
|
|
register int unit = DISKUNIT(dev);
|
|
|
|
register struct disklabel *lp, *tp;
|
|
|
|
register struct ra_softc *ra = ra_cd.cd_devs[unit];
|
|
|
|
int error = 0;
|
|
|
|
|
|
|
|
lp = ra->ra_disk.dk_label;
|
|
|
|
|
|
|
|
switch (cmd) {
|
|
|
|
|
|
|
|
case DIOCGDINFO:
|
|
|
|
bcopy(lp, data, sizeof (struct disklabel));
|
|
|
|
break;
|
|
|
|
|
|
|
|
case DIOCGPART:
|
|
|
|
((struct partinfo *)data)->disklab = lp;
|
|
|
|
((struct partinfo *)data)->part =
|
|
|
|
&lp->d_partitions[DISKPART(dev)];
|
|
|
|
break;
|
|
|
|
|
|
|
|
case DIOCWDINFO:
|
|
|
|
case DIOCSDINFO:
|
|
|
|
if ((flag & FWRITE) == 0)
|
|
|
|
error = EBADF;
|
|
|
|
else {
|
|
|
|
error = setdisklabel(lp, (struct disklabel *)data,0,0);
|
|
|
|
if ((error == 0) && (cmd == DIOCWDINFO)) {
|
|
|
|
ra->ra_wlabel = 1;
|
|
|
|
error = writedisklabel(dev, rastrategy, lp,0);
|
|
|
|
ra->ra_wlabel = 0;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
|
|
|
|
case DIOCWLABEL:
|
|
|
|
if ((flag & FWRITE) == 0)
|
|
|
|
error = EBADF;
|
|
|
|
else
|
|
|
|
ra->ra_wlabel = 1;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case DIOCGDEFLABEL:
|
|
|
|
tp = (struct disklabel *)data;
|
|
|
|
bzero(data, sizeof(struct disklabel));
|
|
|
|
tp->d_secsize = lp->d_secsize;
|
|
|
|
tp->d_nsectors = lp->d_nsectors;
|
|
|
|
tp->d_ntracks = lp->d_ntracks;
|
|
|
|
tp->d_ncylinders = lp->d_ncylinders;
|
|
|
|
tp->d_secpercyl = lp->d_secpercyl;
|
|
|
|
tp->d_secperunit = lp->d_secperunit;
|
|
|
|
tp->d_type = DTYPE_MSCP;
|
|
|
|
tp->d_rpm = 3600;
|
|
|
|
rrmakelabel(tp, ra->ra_mediaid);
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
|
|
|
error = ENOTTY;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
return (error);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
int
|
|
|
|
radump(dev, blkno, va, size)
|
|
|
|
dev_t dev;
|
|
|
|
daddr_t blkno;
|
|
|
|
caddr_t va;
|
|
|
|
size_t size;
|
|
|
|
{
|
|
|
|
return ENXIO;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Return the size of a partition, if known, or -1 if not.
|
|
|
|
*/
|
|
|
|
int
|
|
|
|
rasize(dev)
|
|
|
|
dev_t dev;
|
|
|
|
{
|
|
|
|
register int unit = DISKUNIT(dev);
|
|
|
|
struct ra_softc *ra;
|
|
|
|
|
|
|
|
if (unit >= ra_cd.cd_ndevs || ra_cd.cd_devs[unit] == 0)
|
|
|
|
return -1;
|
|
|
|
|
|
|
|
ra = ra_cd.cd_devs[unit];
|
|
|
|
|
|
|
|
if (ra->ra_state == DK_CLOSED)
|
|
|
|
if (ra_putonline(ra) == MSCP_FAILED)
|
|
|
|
return -1;
|
|
|
|
|
|
|
|
return ra->ra_disk.dk_label->d_partitions[DISKPART(dev)].p_size *
|
|
|
|
(ra->ra_disk.dk_label->d_secsize / DEV_BSIZE);
|
|
|
|
}
|
|
|
|
|
|
|
|
#endif /* NRA */
|
|
|
|
|
|
|
|
#if NRX
|
|
|
|
|
|
|
|
int rxmatch __P((struct device *, struct cfdata *, void *));
|
|
|
|
int rxopen __P((dev_t, int, int, struct proc *));
|
|
|
|
int rxclose __P((dev_t, int, int, struct proc *));
|
|
|
|
void rxstrategy __P((struct buf *));
|
|
|
|
int rxread __P((dev_t, struct uio *));
|
|
|
|
int rxwrite __P((dev_t, struct uio *));
|
|
|
|
int rxioctl __P((dev_t, int, caddr_t, int, struct proc *));
|
|
|
|
int rxdump __P((dev_t, daddr_t, caddr_t, size_t));
|
|
|
|
int rxsize __P((dev_t));
|
|
|
|
|
|
|
|
struct cfattach rx_ca = {
|
|
|
|
sizeof(struct rx_softc), rxmatch, rxattach
|
|
|
|
};
|
|
|
|
|
|
|
|
/*
|
|
|
|
* More driver definitions, for generic MSCP code.
|
|
|
|
*/
|
|
|
|
|
|
|
|
int
|
|
|
|
rxmatch(parent, cf, aux)
|
|
|
|
struct device *parent;
|
|
|
|
struct cfdata *cf;
|
|
|
|
void *aux;
|
|
|
|
{
|
|
|
|
struct drive_attach_args *da = aux;
|
|
|
|
struct mscp *mp = da->da_mp;
|
|
|
|
|
|
|
|
if ((da->da_typ & MSCPBUS_DISK) == 0)
|
|
|
|
return 0;
|
|
|
|
if (cf->cf_loc[MSCPBUSCF_DRIVE] != MSCPBUSCF_DRIVE_DEFAULT &&
|
|
|
|
cf->cf_loc[MSCPBUSCF_DRIVE] != mp->mscp_unit)
|
|
|
|
return 0;
|
|
|
|
/*
|
|
|
|
* Check if this disk is a floppy; then configure it.
|
|
|
|
* Seems to be a safe way to test it per Chris Torek.
|
|
|
|
*/
|
|
|
|
if (MSCP_MID_ECH(1, mp->mscp_guse.guse_mediaid) == 'X' - '@')
|
|
|
|
return 1;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
#endif /* NRX */
|
|
|
|
|
|
|
|
/*
|
|
|
|
* The attach routine only checks and prints drive type.
|
|
|
|
* Bringing the disk online is done when the disk is accessed
|
|
|
|
* the first time.
|
|
|
|
*/
|
|
|
|
void
|
|
|
|
rxattach(parent, self, aux)
|
|
|
|
struct device *parent, *self;
|
|
|
|
void *aux;
|
|
|
|
{
|
|
|
|
struct rx_softc *rx = (void *)self;
|
|
|
|
struct drive_attach_args *da = aux;
|
|
|
|
struct mscp *mp = da->da_mp;
|
|
|
|
struct mscp_softc *mi = (void *)parent;
|
|
|
|
struct disklabel *dl;
|
|
|
|
|
|
|
|
rx->ra_mediaid = mp->mscp_guse.guse_mediaid;
|
|
|
|
rx->ra_state = DK_CLOSED;
|
|
|
|
rx->ra_hwunit = mp->mscp_unit;
|
|
|
|
mi->mi_dp[mp->mscp_unit] = self;
|
|
|
|
|
|
|
|
rx->ra_disk.dk_name = rx->ra_dev.dv_xname;
|
|
|
|
disk_attach((struct disk *)&rx->ra_disk);
|
|
|
|
|
|
|
|
/* Fill in what we know. The actual size is gotten later */
|
|
|
|
dl = rx->ra_disk.dk_label;
|
|
|
|
|
|
|
|
dl->d_secsize = DEV_BSIZE;
|
|
|
|
dl->d_nsectors = mp->mscp_guse.guse_nspt;
|
|
|
|
dl->d_ntracks = mp->mscp_guse.guse_ngpc * mp->mscp_guse.guse_group;
|
|
|
|
dl->d_secpercyl = dl->d_nsectors * dl->d_ntracks;
|
|
|
|
disk_printtype(mp->mscp_unit, mp->mscp_guse.guse_mediaid);
|
|
|
|
#ifdef DEBUG
|
|
|
|
printf("%s: nspt %d group %d ngpc %d rct %d nrpt %d nrct %d\n",
|
|
|
|
self->dv_xname, mp->mscp_guse.guse_nspt, mp->mscp_guse.guse_group,
|
|
|
|
mp->mscp_guse.guse_ngpc, mp->mscp_guse.guse_rctsize,
|
|
|
|
mp->mscp_guse.guse_nrpt, mp->mscp_guse.guse_nrct);
|
|
|
|
#endif
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* (Try to) put the drive online. This is done the first time the
|
|
|
|
* drive is opened, or if it har fallen offline.
|
|
|
|
*/
|
|
|
|
int
|
|
|
|
rx_putonline(rx)
|
|
|
|
struct rx_softc *rx;
|
|
|
|
{
|
|
|
|
struct mscp *mp;
|
|
|
|
struct mscp_softc *mi = (struct mscp_softc *)rx->ra_dev.dv_parent;
|
|
|
|
volatile int i;
|
|
|
|
|
|
|
|
rx->ra_state = DK_CLOSED;
|
|
|
|
mp = mscp_getcp(mi, MSCP_WAIT);
|
|
|
|
mp->mscp_opcode = M_OP_ONLINE;
|
|
|
|
mp->mscp_unit = rx->ra_hwunit;
|
|
|
|
mp->mscp_cmdref = 1;
|
|
|
|
*mp->mscp_addr |= MSCP_OWN | MSCP_INT;
|
|
|
|
|
|
|
|
/* Poll away */
|
1999-06-06 23:16:18 +04:00
|
|
|
i = bus_space_read_2(mi->mi_iot, mi->mi_iph, 0);
|
1999-05-29 23:11:41 +04:00
|
|
|
if (tsleep(&rx->ra_dev.dv_unit, PRIBIO, "rxonline", 100*100))
|
|
|
|
rx->ra_state = DK_CLOSED;
|
|
|
|
|
|
|
|
if (rx->ra_state == DK_CLOSED)
|
|
|
|
return MSCP_FAILED;
|
|
|
|
|
|
|
|
return MSCP_DONE;
|
|
|
|
}
|
|
|
|
|
|
|
|
#if NRX
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Open a drive.
|
|
|
|
*/
|
|
|
|
/*ARGSUSED*/
|
|
|
|
int
|
|
|
|
rxopen(dev, flag, fmt, p)
|
|
|
|
dev_t dev;
|
|
|
|
int flag, fmt;
|
|
|
|
struct proc *p;
|
|
|
|
{
|
|
|
|
register struct rx_softc *rx;
|
|
|
|
int unit;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Make sure this is a reasonable open request.
|
|
|
|
*/
|
|
|
|
unit = DISKUNIT(dev);
|
|
|
|
if (unit >= rx_cd.cd_ndevs)
|
|
|
|
return ENXIO;
|
|
|
|
rx = rx_cd.cd_devs[unit];
|
|
|
|
if (rx == 0)
|
|
|
|
return ENXIO;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* If this is the first open; we must first try to put
|
|
|
|
* the disk online (and read the label).
|
|
|
|
*/
|
|
|
|
if (rx->ra_state == DK_CLOSED)
|
|
|
|
if (rx_putonline(rx) == MSCP_FAILED)
|
|
|
|
return ENXIO;
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* ARGSUSED */
|
|
|
|
int
|
|
|
|
rxclose(dev, flags, fmt, p)
|
|
|
|
dev_t dev;
|
|
|
|
int flags, fmt;
|
|
|
|
struct proc *p;
|
|
|
|
{
|
|
|
|
return (0);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Queue a transfer request, and if possible, hand it to the controller.
|
|
|
|
*
|
|
|
|
* This routine is broken into two so that the internal version
|
|
|
|
* udastrat1() can be called by the (nonexistent, as yet) bad block
|
|
|
|
* revectoring routine.
|
|
|
|
*/
|
|
|
|
void
|
|
|
|
rxstrategy(bp)
|
|
|
|
register struct buf *bp;
|
|
|
|
{
|
|
|
|
register int unit;
|
|
|
|
register struct rx_softc *rx;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Make sure this is a reasonable drive to use.
|
|
|
|
*/
|
|
|
|
unit = DISKUNIT(bp->b_dev);
|
|
|
|
if (unit > rx_cd.cd_ndevs || (rx = rx_cd.cd_devs[unit]) == NULL) {
|
|
|
|
bp->b_error = ENXIO;
|
|
|
|
bp->b_flags |= B_ERROR;
|
|
|
|
goto done;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* If disk is not online, try to put it online */
|
|
|
|
if (rx->ra_state == DK_CLOSED)
|
|
|
|
if (rx_putonline(rx) == MSCP_FAILED) {
|
|
|
|
bp->b_flags |= B_ERROR;
|
|
|
|
bp->b_error = EIO;
|
|
|
|
goto done;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Determine the size of the transfer, and make sure it is
|
|
|
|
* within the boundaries of the partition.
|
|
|
|
*/
|
|
|
|
if (bp->b_blkno >= rx->ra_disk.dk_label->d_secperunit) {
|
|
|
|
bp->b_resid = bp->b_bcount;
|
|
|
|
goto done;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Make some statistics... /bqt */
|
|
|
|
rx->ra_disk.dk_xfer++;
|
|
|
|
rx->ra_disk.dk_bytes += bp->b_bcount;
|
|
|
|
mscp_strategy(bp, rx->ra_dev.dv_parent);
|
|
|
|
return;
|
|
|
|
|
|
|
|
done:
|
|
|
|
biodone(bp);
|
|
|
|
}
|
|
|
|
|
|
|
|
int
|
|
|
|
rxread(dev, uio)
|
|
|
|
dev_t dev;
|
|
|
|
struct uio *uio;
|
|
|
|
{
|
|
|
|
|
|
|
|
return (physio(rxstrategy, NULL, dev, B_READ, minphys, uio));
|
|
|
|
}
|
|
|
|
|
|
|
|
int
|
|
|
|
rxwrite(dev, uio)
|
|
|
|
dev_t dev;
|
|
|
|
struct uio *uio;
|
|
|
|
{
|
|
|
|
|
|
|
|
return (physio(rxstrategy, NULL, dev, B_WRITE, minphys, uio));
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* I/O controls.
|
|
|
|
*/
|
|
|
|
int
|
|
|
|
rxioctl(dev, cmd, data, flag, p)
|
|
|
|
dev_t dev;
|
|
|
|
int cmd;
|
|
|
|
caddr_t data;
|
|
|
|
int flag;
|
|
|
|
struct proc *p;
|
|
|
|
{
|
|
|
|
register int unit = DISKUNIT(dev);
|
|
|
|
register struct disklabel *lp;
|
|
|
|
register struct rx_softc *rx = rx_cd.cd_devs[unit];
|
|
|
|
int error = 0;
|
|
|
|
|
|
|
|
lp = rx->ra_disk.dk_label;
|
|
|
|
|
|
|
|
switch (cmd) {
|
|
|
|
|
|
|
|
case DIOCGDINFO:
|
|
|
|
bcopy(lp, data, sizeof (struct disklabel));
|
|
|
|
break;
|
|
|
|
|
|
|
|
case DIOCGPART:
|
|
|
|
((struct partinfo *)data)->disklab = lp;
|
|
|
|
((struct partinfo *)data)->part =
|
|
|
|
&lp->d_partitions[DISKPART(dev)];
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
|
|
case DIOCWDINFO:
|
|
|
|
case DIOCSDINFO:
|
|
|
|
case DIOCWLABEL:
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
|
|
|
error = ENOTTY;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
return (error);
|
|
|
|
}
|
|
|
|
|
|
|
|
int
|
|
|
|
rxdump(dev, blkno, va, size)
|
|
|
|
dev_t dev;
|
|
|
|
daddr_t blkno;
|
|
|
|
caddr_t va;
|
|
|
|
size_t size;
|
|
|
|
{
|
|
|
|
|
|
|
|
/* Not likely. */
|
|
|
|
return ENXIO;
|
|
|
|
}
|
|
|
|
|
|
|
|
int
|
|
|
|
rxsize(dev)
|
|
|
|
dev_t dev;
|
|
|
|
{
|
|
|
|
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
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#endif /* NRX */
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void rrdgram __P((struct device *, struct mscp *, struct mscp_softc *));
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void rriodone __P((struct device *, struct buf *));
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int rronline __P((struct device *, struct mscp *));
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int rrgotstatus __P((struct device *, struct mscp *));
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void rrreplace __P((struct device *, struct mscp *));
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int rrioerror __P((struct device *, struct mscp *, struct buf *));
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void rrfillin __P((struct buf *, struct mscp *));
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void rrbb __P((struct device *, struct mscp *, struct buf *));
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struct mscp_device ra_device = {
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rrdgram,
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rriodone,
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rronline,
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rrgotstatus,
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rrreplace,
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rrioerror,
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rrbb,
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rrfillin,
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};
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/*
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* Handle an error datagram.
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* This can come from an unconfigured drive as well.
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*/
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void
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rrdgram(usc, mp, mi)
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struct device *usc;
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struct mscp *mp;
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struct mscp_softc *mi;
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{
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if (mscp_decodeerror(usc == NULL?"unconf disk" : usc->dv_xname, mp, mi))
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return;
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/*
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* SDI status information bytes 10 and 11 are the microprocessor
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* error code and front panel code respectively. These vary per
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* drive type and are printed purely for field service information.
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*/
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if (mp->mscp_format == M_FM_SDI)
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printf("\tsdi uproc error code 0x%x, front panel code 0x%x\n",
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mp->mscp_erd.erd_sdistat[10],
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mp->mscp_erd.erd_sdistat[11]);
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}
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void
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rriodone(usc, bp)
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struct device *usc;
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struct buf *bp;
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{
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biodone(bp);
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}
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/*
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* A drive came on line. Check its type and size. Return DONE if
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* we think the drive is truly on line. In any case, awaken anyone
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* sleeping on the drive on-line-ness.
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*/
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int
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rronline(usc, mp)
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struct device *usc;
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struct mscp *mp;
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{
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struct rx_softc *rx = (struct rx_softc *)usc;
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struct disklabel *dl;
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wakeup((caddr_t)&usc->dv_unit);
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if ((mp->mscp_status & M_ST_MASK) != M_ST_SUCCESS) {
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printf("%s: attempt to bring on line failed: ", usc->dv_xname);
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mscp_printevent(mp);
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return (MSCP_FAILED);
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}
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rx->ra_state = DK_OPEN;
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dl = rx->ra_disk.dk_label;
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dl->d_secperunit = (daddr_t)mp->mscp_onle.onle_unitsize;
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if (dl->d_secpercyl) {
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dl->d_ncylinders = dl->d_secperunit/dl->d_secpercyl;
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dl->d_type = DTYPE_MSCP;
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dl->d_rpm = 3600;
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} else {
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dl->d_type = DTYPE_FLOPPY;
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dl->d_rpm = 300;
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}
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rrmakelabel(dl, rx->ra_mediaid);
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return (MSCP_DONE);
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}
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void
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rrmakelabel(dl, type)
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struct disklabel *dl;
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long type;
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{
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|
int n, p = 0;
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dl->d_bbsize = BBSIZE;
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dl->d_sbsize = SBSIZE;
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/* Create the disk name for disklabel. Phew... */
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dl->d_typename[p++] = MSCP_MID_CHAR(2, type);
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dl->d_typename[p++] = MSCP_MID_CHAR(1, type);
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if (MSCP_MID_ECH(0, type))
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dl->d_typename[p++] = MSCP_MID_CHAR(0, type);
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n = MSCP_MID_NUM(type);
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if (n > 99) {
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|
dl->d_typename[p++] = '1';
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n -= 100;
|
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|
}
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|
if (n > 9) {
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|
dl->d_typename[p++] = (n / 10) + '0';
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|
n %= 10;
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|
}
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dl->d_typename[p++] = n + '0';
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|
dl->d_typename[p] = 0;
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dl->d_npartitions = MAXPARTITIONS;
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dl->d_partitions[0].p_size = dl->d_partitions[2].p_size =
|
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|
dl->d_secperunit;
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dl->d_partitions[0].p_offset = dl->d_partitions[2].p_offset = 0;
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dl->d_interleave = dl->d_headswitch = 1;
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dl->d_magic = dl->d_magic2 = DISKMAGIC;
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|
dl->d_checksum = dkcksum(dl);
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|
}
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|
/*
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|
* We got some (configured) unit's status. Return DONE if it succeeded.
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|
*/
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|
int
|
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|
rrgotstatus(usc, mp)
|
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|
|
register struct device *usc;
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|
|
register struct mscp *mp;
|
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|
|
{
|
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|
|
if ((mp->mscp_status & M_ST_MASK) != M_ST_SUCCESS) {
|
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|
|
printf("%s: attempt to get status failed: ", usc->dv_xname);
|
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|
|
mscp_printevent(mp);
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|
return (MSCP_FAILED);
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|
|
}
|
|
|
|
/* record for (future) bad block forwarding and whatever else */
|
|
|
|
#ifdef notyet
|
|
|
|
uda_rasave(ui->ui_unit, mp, 1);
|
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|
|
#endif
|
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|
|
return (MSCP_DONE);
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|
|
|
}
|
|
|
|
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|
|
|
/*
|
|
|
|
* A replace operation finished.
|
|
|
|
*/
|
|
|
|
/*ARGSUSED*/
|
|
|
|
void
|
|
|
|
rrreplace(usc, mp)
|
|
|
|
struct device *usc;
|
|
|
|
struct mscp *mp;
|
|
|
|
{
|
|
|
|
|
|
|
|
panic("udareplace");
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* A transfer failed. We get a chance to fix or restart it.
|
|
|
|
* Need to write the bad block forwaring code first....
|
|
|
|
*/
|
|
|
|
/*ARGSUSED*/
|
|
|
|
int
|
|
|
|
rrioerror(usc, mp, bp)
|
|
|
|
register struct device *usc;
|
|
|
|
register struct mscp *mp;
|
|
|
|
struct buf *bp;
|
|
|
|
{
|
|
|
|
struct ra_softc *ra = (void *)usc;
|
|
|
|
int code = mp->mscp_event;
|
|
|
|
|
|
|
|
switch (code & M_ST_MASK) {
|
|
|
|
/* The unit has fallen offline. Try to figure out why. */
|
|
|
|
case M_ST_OFFLINE:
|
|
|
|
bp->b_flags |= B_ERROR;
|
|
|
|
bp->b_error = EIO;
|
|
|
|
ra->ra_state = DK_CLOSED;
|
|
|
|
if (code & M_OFFLINE_UNMOUNTED)
|
|
|
|
printf("%s: not mounted/spun down\n", usc->dv_xname);
|
|
|
|
if (code & M_OFFLINE_DUPLICATE)
|
|
|
|
printf("%s: duplicate unit number!!!\n", usc->dv_xname);
|
|
|
|
return MSCP_DONE;
|
|
|
|
|
|
|
|
case M_ST_AVAILABLE:
|
|
|
|
ra->ra_state = DK_CLOSED; /* Force another online */
|
|
|
|
return MSCP_DONE;
|
|
|
|
|
|
|
|
default:
|
|
|
|
printf("%s:", usc->dv_xname);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
return (MSCP_FAILED);
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Fill in disk addresses in a mscp packet waiting for transfer.
|
|
|
|
*/
|
|
|
|
void
|
|
|
|
rrfillin(bp, mp)
|
|
|
|
struct buf *bp;
|
|
|
|
struct mscp *mp;
|
|
|
|
{
|
|
|
|
struct rx_softc *rx = 0; /* Wall */
|
|
|
|
struct disklabel *lp;
|
|
|
|
int unit = DISKUNIT(bp->b_dev);
|
|
|
|
int part = DISKPART(bp->b_dev);
|
|
|
|
|
|
|
|
#if NRA
|
|
|
|
if (major(bp->b_dev) == RAMAJOR)
|
|
|
|
rx = ra_cd.cd_devs[unit];
|
|
|
|
#endif
|
|
|
|
#if NRX
|
|
|
|
if (major(bp->b_dev) != RAMAJOR)
|
|
|
|
rx = rx_cd.cd_devs[unit];
|
|
|
|
#endif
|
|
|
|
lp = rx->ra_disk.dk_label;
|
|
|
|
|
|
|
|
mp->mscp_seq.seq_lbn = lp->d_partitions[part].p_offset + bp->b_blkno;
|
|
|
|
mp->mscp_unit = rx->ra_hwunit;
|
|
|
|
mp->mscp_seq.seq_bytecount = bp->b_bcount;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* A bad block related operation finished.
|
|
|
|
*/
|
|
|
|
/*ARGSUSED*/
|
|
|
|
void
|
|
|
|
rrbb(usc, mp, bp)
|
|
|
|
struct device *usc;
|
|
|
|
struct mscp *mp;
|
|
|
|
struct buf *bp;
|
|
|
|
{
|
|
|
|
|
|
|
|
panic("udabb");
|
|
|
|
}
|