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- /*
- * Copyright (c) 1988 Regents of the University of California.
- * All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * Chris Torek.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * @(#)uda.c 7.32 (Berkeley) 2/13/91
- */
-
- /*
- * UDA50/MSCP device driver
- */
-
- #define POLLSTATS
-
- /*
- * TODO
- * write bad block forwarding code
- */
-
- #include "ra.h"
-
- #if NUDA > 0
-
- /*
- * CONFIGURATION OPTIONS. The next three defines are tunable -- tune away!
- *
- * COMPAT_42 enables 4.2/4.3 compatibility (label mapping)
- *
- * NRSPL2 and NCMDL2 control the number of response and command
- * packets respectively. They may be any value from 0 to 7, though
- * setting them higher than 5 is unlikely to be of any value.
- * If you get warnings about your command ring being too small,
- * try increasing the values by one.
- *
- * MAXUNIT controls the maximum unit number (number of drives per
- * controller) we are prepared to handle.
- *
- * DEFAULT_BURST must be at least 1.
- */
- #define COMPAT_42
-
- #define NRSPL2 5 /* log2 number of response packets */
- #define NCMDL2 5 /* log2 number of command packets */
- #define MAXUNIT 8 /* maximum allowed unit number */
- #define DEFAULT_BURST 4 /* default DMA burst size */
-
- #include "sys/param.h"
- #include "sys/systm.h"
- #include "sys/buf.h"
- #include "sys/conf.h"
- #include "sys/file.h"
- #include "sys/ioctl.h"
- #include "sys/user.h"
- #include "sys/map.h"
- #include "sys/vm.h"
- #include "sys/dkstat.h"
- #include "sys/cmap.h"
- #include "sys/disklabel.h"
- #include "sys/syslog.h"
- #include "sys/stat.h"
-
- #include "../include/pte.h"
-
- #include "../include/cpu.h"
- #include "ubareg.h"
- #include "ubavar.h"
-
- #define NRSP (1 << NRSPL2)
- #define NCMD (1 << NCMDL2)
-
- #include "udareg.h"
- #include "../vax/mscp.h"
- #include "../vax/mscpvar.h"
- #include "../include/mtpr.h"
-
- /*
- * UDA communications area and MSCP packet pools, per controller.
- */
- struct uda {
- struct udaca uda_ca; /* communications area */
- struct mscp uda_rsp[NRSP]; /* response packets */
- struct mscp uda_cmd[NCMD]; /* command packets */
- } uda[NUDA];
-
- /*
- * Software status, per controller.
- */
- struct uda_softc {
- struct uda *sc_uda; /* Unibus address of uda struct */
- short sc_state; /* UDA50 state; see below */
- short sc_flags; /* flags; see below */
- int sc_micro; /* microcode revision */
- int sc_ivec; /* interrupt vector address */
- short sc_ipl; /* interrupt priority, Q-bus */
- struct mscp_info sc_mi;/* MSCP info (per mscpvar.h) */
- #ifndef POLLSTATS
- int sc_wticks; /* watchdog timer ticks */
- #else
- short sc_wticks;
- short sc_ncmd;
- #endif
- } uda_softc[NUDA];
-
- #ifdef POLLSTATS
- struct udastats {
- int ncmd;
- int cmd[NCMD + 1];
- } udastats = { NCMD + 1 };
- #endif
-
- /*
- * Controller states
- */
- #define ST_IDLE 0 /* uninitialised */
- #define ST_STEP1 1 /* in `STEP 1' */
- #define ST_STEP2 2 /* in `STEP 2' */
- #define ST_STEP3 3 /* in `STEP 3' */
- #define ST_SETCHAR 4 /* in `Set Controller Characteristics' */
- #define ST_RUN 5 /* up and running */
-
- /*
- * Flags
- */
- #define SC_MAPPED 0x01 /* mapped in Unibus I/O space */
- #define SC_INSTART 0x02 /* inside udastart() */
- #define SC_GRIPED 0x04 /* griped about cmd ring too small */
- #define SC_INSLAVE 0x08 /* inside udaslave() */
- #define SC_DOWAKE 0x10 /* wakeup when ctlr init done */
- #define SC_STARTPOLL 0x20 /* need to initiate polling */
-
- /*
- * Device to unit number and partition and back
- */
- #define UNITSHIFT 3
- #define UNITMASK 7
- #define udaunit(dev) (minor(dev) >> UNITSHIFT)
- #define udapart(dev) (minor(dev) & UNITMASK)
- #define udaminor(u, p) (((u) << UNITSHIFT) | (p))
-
- /*
- * Drive status, per drive
- */
- struct ra_info {
- daddr_t ra_dsize; /* size in sectors */
- /* u_long ra_type; /* drive type */
- u_long ra_mediaid; /* media id */
- int ra_state; /* open/closed state */
- struct ra_geom { /* geometry information */
- u_short rg_nsectors; /* sectors/track */
- u_short rg_ngroups; /* track groups */
- u_short rg_ngpc; /* groups/cylinder */
- u_short rg_ntracks; /* ngroups*ngpc */
- u_short rg_ncyl; /* ra_dsize/ntracks/nsectors */
- #ifdef notyet
- u_short rg_rctsize; /* size of rct */
- u_short rg_rbns; /* replacement blocks per track */
- u_short rg_nrct; /* number of rct copies */
- #endif
- } ra_geom;
- int ra_wlabel; /* label sector is currently writable */
- u_long ra_openpart; /* partitions open */
- u_long ra_bopenpart; /* block partitions open */
- u_long ra_copenpart; /* character partitions open */
- } ra_info[NRA];
-
- /*
- * Software state, per drive
- */
- #define CLOSED 0
- #define WANTOPEN 1
- #define RDLABEL 2
- #define OPEN 3
- #define OPENRAW 4
-
- /*
- * Definition of the driver for autoconf.
- */
- int udaprobe(), udaslave(), udaattach(), udadgo(), udaintr();
- struct uba_ctlr *udaminfo[NUDA];
- struct uba_device *udadinfo[NRA];
- struct disklabel udalabel[NRA];
-
- u_short udastd[] = { 0772150, 0772550, 0777550, 0 };
- struct uba_driver udadriver =
- { udaprobe, udaslave, udaattach, udadgo, udastd, "ra", udadinfo, "uda",
- udaminfo };
-
- /*
- * More driver definitions, for generic MSCP code.
- */
- int udadgram(), udactlrdone(), udaunconf(), udaiodone();
- int udaonline(), udagotstatus(), udaioerror(), udareplace(), udabb();
-
- struct buf udautab[NRA]; /* per drive transfer queue */
-
- struct mscp_driver udamscpdriver =
- { MAXUNIT, NRA, UNITSHIFT, udautab, udalabel, udadinfo,
- udadgram, udactlrdone, udaunconf, udaiodone,
- udaonline, udagotstatus, udareplace, udaioerror, udabb,
- "uda", "ra" };
-
- /*
- * Miscellaneous private variables.
- */
- char udasr_bits[] = UDASR_BITS;
-
- struct uba_device *udaip[NUDA][MAXUNIT];
- /* inverting pointers: ctlr & unit => Unibus
- device pointer */
-
- int udaburst[NUDA] = { 0 }; /* burst size, per UDA50, zero => default;
- in data space so patchable via adb */
-
- struct mscp udaslavereply; /* get unit status response packet, set
- for udaslave by udaunconf, via udaintr */
-
- static struct uba_ctlr *probeum;/* this is a hack---autoconf should pass ctlr
- info to slave routine; instead, we remember
- the last ctlr argument to probe */
-
- int udawstart, udawatch(); /* watchdog timer */
-
- /*
- * Externals
- */
- int wakeup();
- int hz;
-
- /*
- * Poke at a supposed UDA50 to see if it is there.
- * This routine duplicates some of the code in udainit() only
- * because autoconf has not set up the right information yet.
- * We have to do everything `by hand'.
- */
- udaprobe(reg, ctlr, um)
- caddr_t reg;
- int ctlr;
- struct uba_ctlr *um;
- {
- register int br, cvec;
- register struct uda_softc *sc;
- register struct udadevice *udaddr;
- register struct mscp_info *mi;
- int timeout, tries;
- #ifdef QBA
- int s;
- #endif
-
- #ifdef VAX750
- /*
- * The UDA50 wants to share BDPs on 750s, but not on 780s or
- * 8600s. (730s have no BDPs anyway.) Toward this end, we
- * here set the `keep bdp' flag in the per-driver information
- * if this is a 750. (We just need to do it once, but it is
- * easiest to do it now, for each UDA50.)
- */
- if (cpu == VAX_750)
- udadriver.ud_keepbdp = 1;
- #endif
-
- probeum = um; /* remember for udaslave() */
- #ifdef lint
- br = 0; cvec = br; br = cvec; udaintr(0);
- #endif
- /*
- * Set up the controller-specific generic MSCP driver info.
- * Note that this should really be done in the (nonexistent)
- * controller attach routine.
- */
- sc = &uda_softc[ctlr];
- mi = &sc->sc_mi;
- mi->mi_md = &udamscpdriver;
- mi->mi_ctlr = um->um_ctlr;
- mi->mi_tab = &um->um_tab;
- mi->mi_ip = udaip[ctlr];
- mi->mi_cmd.mri_size = NCMD;
- mi->mi_cmd.mri_desc = uda[ctlr].uda_ca.ca_cmddsc;
- mi->mi_cmd.mri_ring = uda[ctlr].uda_cmd;
- mi->mi_rsp.mri_size = NRSP;
- mi->mi_rsp.mri_desc = uda[ctlr].uda_ca.ca_rspdsc;
- mi->mi_rsp.mri_ring = uda[ctlr].uda_rsp;
- mi->mi_wtab.av_forw = mi->mi_wtab.av_back = &mi->mi_wtab;
-
- /*
- * More controller specific variables. Again, this should
- * be in the controller attach routine.
- */
- if (udaburst[ctlr] == 0)
- udaburst[ctlr] = DEFAULT_BURST;
-
- /*
- * Get an interrupt vector. Note that even if the controller
- * does not respond, we keep the vector. This is not a serious
- * problem; but it would be easily fixed if we had a controller
- * attach routine. Sigh.
- */
- sc->sc_ivec = (uba_hd[numuba].uh_lastiv -= 4);
- udaddr = (struct udadevice *) reg;
-
- /*
- * Initialise the controller (partially). The UDA50 programmer's
- * manual states that if initialisation fails, it should be retried
- * at least once, but after a second failure the port should be
- * considered `down'; it also mentions that the controller should
- * initialise within ten seconds. Or so I hear; I have not seen
- * this manual myself.
- */
- #if defined(QBA) && !defined(GENERIC)
- s = spl6();
- #endif
- tries = 0;
- again:
- udaddr->udaip = 0; /* start initialisation */
- timeout = todr() + 1000; /* timeout in 10 seconds */
- while ((udaddr->udasa & UDA_STEP1) == 0)
- if (todr() > timeout)
- goto bad;
- udaddr->udasa = UDA_ERR | (NCMDL2 << 11) | (NRSPL2 << 8) | UDA_IE |
- (sc->sc_ivec >> 2);
- while ((udaddr->udasa & UDA_STEP2) == 0)
- if (todr() > timeout)
- goto bad;
-
- /* should have interrupted by now */
- #ifdef QBA
- #ifndef GENERIC
- sc->sc_ipl = br = qbgetpri();
- #else
- sc->sc_ipl = br = 0x15;
- #endif
- #endif
- return (sizeof (struct udadevice));
- bad:
- if (++tries < 2)
- goto again;
- #if defined(QBA) && !defined(GENERIC)
- splx(s);
- #endif
- return (0);
- }
-
- /*
- * Find a slave. We allow wildcard slave numbers (something autoconf
- * is not really prepared to deal with); and we need to know the
- * controller number to talk to the UDA. For the latter, we keep
- * track of the last controller probed, since a controller probe
- * immediately precedes all slave probes for that controller. For the
- * former, we simply put the unit number into ui->ui_slave after we
- * have found one.
- *
- * Note that by the time udaslave is called, the interrupt vector
- * for the UDA50 has been set up (so that udaunconf() will be called).
- */
- udaslave(ui, reg)
- register struct uba_device *ui;
- caddr_t reg;
- {
- register struct uba_ctlr *um = probeum;
- register struct mscp *mp;
- register struct uda_softc *sc;
- int next = 0, timeout, tries, i;
-
- #ifdef lint
- i = 0; i = i;
- #endif
- /*
- * Make sure the controller is fully initialised, by waiting
- * for it if necessary.
- */
- sc = &uda_softc[um->um_ctlr];
- if (sc->sc_state == ST_RUN)
- goto findunit;
- tries = 0;
- again:
- if (udainit(ui->ui_ctlr))
- return (0);
- timeout = todr() + 1000; /* 10 seconds */
- while (todr() < timeout)
- if (sc->sc_state == ST_RUN) /* made it */
- goto findunit;
- if (++tries < 2)
- goto again;
- printf("uda%d: controller hung\n", um->um_ctlr);
- return (0);
-
- /*
- * The controller is all set; go find the unit. Grab an
- * MSCP packet and send out a Get Unit Status command, with
- * the `next unit' modifier if we are looking for a generic
- * unit. We set the `in slave' flag so that udaunconf()
- * knows to copy the response to `udaslavereply'.
- */
- findunit:
- udaslavereply.mscp_opcode = 0;
- sc->sc_flags |= SC_INSLAVE;
- if ((mp = mscp_getcp(&sc->sc_mi, MSCP_DONTWAIT)) == NULL)
- panic("udaslave"); /* `cannot happen' */
- mp->mscp_opcode = M_OP_GETUNITST;
- if (ui->ui_slave == '?') {
- mp->mscp_unit = next;
- mp->mscp_modifier = M_GUM_NEXTUNIT;
- } else {
- mp->mscp_unit = ui->ui_slave;
- mp->mscp_modifier = 0;
- }
- *mp->mscp_addr |= MSCP_OWN | MSCP_INT;
- i = ((struct udadevice *) reg)->udaip; /* initiate polling */
- mp = &udaslavereply;
- timeout = todr() + 1000;
- while (todr() < timeout)
- if (mp->mscp_opcode)
- goto gotit;
- printf("uda%d: no response to Get Unit Status request\n",
- um->um_ctlr);
- sc->sc_flags &= ~SC_INSLAVE;
- return (0);
-
- gotit:
- sc->sc_flags &= ~SC_INSLAVE;
-
- /*
- * Got a slave response. If the unit is there, use it.
- */
- switch (mp->mscp_status & M_ST_MASK) {
-
- case M_ST_SUCCESS: /* worked */
- case M_ST_AVAILABLE: /* found another drive */
- break; /* use it */
-
- case M_ST_OFFLINE:
- /*
- * Figure out why it is off line. It may be because
- * it is nonexistent, or because it is spun down, or
- * for some other reason.
- */
- switch (mp->mscp_status & ~M_ST_MASK) {
-
- case M_OFFLINE_UNKNOWN:
- /*
- * No such drive, and there are none with
- * higher unit numbers either, if we are
- * using M_GUM_NEXTUNIT.
- */
- return (0);
-
- case M_OFFLINE_UNMOUNTED:
- /*
- * The drive is not spun up. Use it anyway.
- *
- * N.B.: this seems to be a common occurrance
- * after a power failure. The first attempt
- * to bring it on line seems to spin it up
- * (and thus takes several minutes). Perhaps
- * we should note here that the on-line may
- * take longer than usual.
- */
- break;
-
- default:
- /*
- * In service, or something else equally unusable.
- */
- printf("uda%d: unit %d off line: ", um->um_ctlr,
- mp->mscp_unit);
- mscp_printevent(mp);
- goto try_another;
- }
- break;
-
- default:
- printf("uda%d: unable to get unit status: ", um->um_ctlr);
- mscp_printevent(mp);
- return (0);
- }
-
- /*
- * Does this ever happen? What (if anything) does it mean?
- */
- if (mp->mscp_unit < next) {
- printf("uda%d: unit %d, next %d\n",
- um->um_ctlr, mp->mscp_unit, next);
- return (0);
- }
-
- if (mp->mscp_unit >= MAXUNIT) {
- printf("uda%d: cannot handle unit number %d (max is %d)\n",
- um->um_ctlr, mp->mscp_unit, MAXUNIT - 1);
- return (0);
- }
-
- /*
- * See if we already handle this drive.
- * (Only likely if ui->ui_slave=='?'.)
- */
- if (udaip[um->um_ctlr][mp->mscp_unit] != NULL) {
- try_another:
- if (ui->ui_slave != '?')
- return (0);
- next = mp->mscp_unit + 1;
- goto findunit;
- }
-
- /*
- * Voila!
- */
- uda_rasave(ui->ui_unit, mp, 0);
- ui->ui_flags = 0; /* not on line, nor anything else */
- ui->ui_slave = mp->mscp_unit;
- return (1);
- }
-
- /*
- * Attach a found slave. Make sure the watchdog timer is running.
- * If this disk is being profiled, fill in the `wpms' value (used by
- * what?). Set up the inverting pointer, and attempt to bring the
- * drive on line and read its label.
- */
- udaattach(ui)
- register struct uba_device *ui;
- {
- register int unit = ui->ui_unit;
-
- if (udawstart == 0) {
- timeout(udawatch, (caddr_t) 0, hz);
- udawstart++;
- }
-
- /*
- * Floppies cannot be brought on line unless there is
- * a disk in the drive. Since an ONLINE while cold
- * takes ten seconds to fail, and (when notyet becomes now)
- * no sensible person will swap to one, we just
- * defer the ONLINE until someone tries to use the drive.
- *
- * THIS ASSUMES THAT DRIVE TYPES ?X? ARE FLOPPIES
- */
- if (MSCP_MID_ECH(1, ra_info[unit].ra_mediaid) == 'X' - '@') {
- printf(": floppy");
- return;
- }
- if (ui->ui_dk >= 0)
- dk_wpms[ui->ui_dk] = (60 * 31 * 256); /* approx */
- udaip[ui->ui_ctlr][ui->ui_slave] = ui;
-
- if (uda_rainit(ui, 0))
- printf(": offline");
- else if (ra_info[unit].ra_state == OPEN) {
- printf(": %s, size = %d sectors",
- udalabel[unit].d_typename, ra_info[unit].ra_dsize);
- #ifdef notyet
- addswap(makedev(UDADEVNUM, udaminor(unit, 0)), &udalabel[unit]);
- #endif
- }
- }
-
- /*
- * Initialise a UDA50. Return true iff something goes wrong.
- */
- udainit(ctlr)
- int ctlr;
- {
- register struct uda_softc *sc;
- register struct udadevice *udaddr;
- struct uba_ctlr *um;
- int timo, ubinfo;
-
- sc = &uda_softc[ctlr];
- um = udaminfo[ctlr];
- if ((sc->sc_flags & SC_MAPPED) == 0) {
- /*
- * Map the communication area and command and
- * response packets into Unibus space.
- */
- ubinfo = uballoc(um->um_ubanum, (caddr_t) &uda[ctlr],
- sizeof (struct uda), UBA_CANTWAIT);
- if (ubinfo == 0) {
- printf("uda%d: uballoc map failed\n", ctlr);
- return (-1);
- }
- sc->sc_uda = (struct uda *) UBAI_ADDR(ubinfo);
- sc->sc_flags |= SC_MAPPED;
- }
-
- /*
- * While we are thinking about it, reset the next command
- * and response indicies.
- */
- sc->sc_mi.mi_cmd.mri_next = 0;
- sc->sc_mi.mi_rsp.mri_next = 0;
-
- /*
- * Start up the hardware initialisation sequence.
- */
- #define STEP0MASK (UDA_ERR | UDA_STEP4 | UDA_STEP3 | UDA_STEP2 | \
- UDA_STEP1 | UDA_NV)
-
- sc->sc_state = ST_IDLE; /* in case init fails */
- udaddr = (struct udadevice *)um->um_addr;
- udaddr->udaip = 0;
- timo = todr() + 1000;
- while ((udaddr->udasa & STEP0MASK) == 0) {
- if (todr() > timo) {
- printf("uda%d: timeout during init\n", ctlr);
- return (-1);
- }
- }
- if ((udaddr->udasa & STEP0MASK) != UDA_STEP1) {
- printf("uda%d: init failed, sa=%b\n", ctlr,
- udaddr->udasa, udasr_bits);
- udasaerror(um, 0);
- return (-1);
- }
-
- /*
- * Success! Record new state, and start step 1 initialisation.
- * The rest is done in the interrupt handler.
- */
- sc->sc_state = ST_STEP1;
- udaddr->udasa = UDA_ERR | (NCMDL2 << 11) | (NRSPL2 << 8) | UDA_IE |
- (sc->sc_ivec >> 2);
- return (0);
- }
-
- /*
- * Open a drive.
- */
- /*ARGSUSED*/
- udaopen(dev, flag, fmt)
- dev_t dev;
- int flag, fmt;
- {
- register int unit;
- register struct uba_device *ui;
- register struct uda_softc *sc;
- register struct disklabel *lp;
- register struct partition *pp;
- register struct ra_info *ra;
- int s, i, part, mask, error = 0;
- daddr_t start, end;
-
- /*
- * Make sure this is a reasonable open request.
- */
- unit = udaunit(dev);
- if (unit >= NRA || (ui = udadinfo[unit]) == 0 || ui->ui_alive == 0)
- return (ENXIO);
-
- /*
- * Make sure the controller is running, by (re)initialising it if
- * necessary.
- */
- sc = &uda_softc[ui->ui_ctlr];
- s = spl5();
- if (sc->sc_state != ST_RUN) {
- if (sc->sc_state == ST_IDLE && udainit(ui->ui_ctlr)) {
- splx(s);
- return (EIO);
- }
- /*
- * In case it does not come up, make sure we will be
- * restarted in 10 seconds. This corresponds to the
- * 10 second timeouts in udaprobe() and udaslave().
- */
- sc->sc_flags |= SC_DOWAKE;
- timeout(wakeup, (caddr_t) sc, 10 * hz);
- sleep((caddr_t) sc, PRIBIO);
- if (sc->sc_state != ST_RUN) {
- splx(s);
- printf("uda%d: controller hung\n", ui->ui_ctlr);
- return (EIO);
- }
- untimeout(wakeup, (caddr_t) sc);
- }
-
- /*
- * Wait for the state to settle
- */
- ra = &ra_info[unit];
- while (ra->ra_state != OPEN && ra->ra_state != OPENRAW &&
- ra->ra_state != CLOSED)
- if (error = tsleep((caddr_t)ra, (PZERO + 1) | PCATCH,
- devopn, 0)) {
- splx(s);
- return (error);
- }
-
- /*
- * If not on line, or we are not sure of the label, reinitialise
- * the drive.
- */
- if ((ui->ui_flags & UNIT_ONLINE) == 0 ||
- (ra->ra_state != OPEN && ra->ra_state != OPENRAW))
- error = uda_rainit(ui, flag);
- splx(s);
- if (error)
- return (error);
-
- part = udapart(dev);
- lp = &udalabel[unit];
- if (part >= lp->d_npartitions)
- return (ENXIO);
- /*
- * Warn if a partition is opened that overlaps another
- * already open, unless either is the `raw' partition
- * (whole disk).
- */
- #define RAWPART 2 /* 'c' partition */ /* XXX */
- mask = 1 << part;
- if ((ra->ra_openpart & mask) == 0 && part != RAWPART) {
- pp = &lp->d_partitions[part];
- start = pp->p_offset;
- end = pp->p_offset + pp->p_size;
- for (pp = lp->d_partitions, i = 0;
- i < lp->d_npartitions; pp++, i++) {
- if (pp->p_offset + pp->p_size <= start ||
- pp->p_offset >= end || i == RAWPART)
- continue;
- if (ra->ra_openpart & (1 << i))
- log(LOG_WARNING,
- "ra%d%c: overlaps open partition (%c)\n",
- unit, part + 'a', i + 'a');
- }
- }
- switch (fmt) {
- case S_IFCHR:
- ra->ra_copenpart |= mask;
- break;
- case S_IFBLK:
- ra->ra_bopenpart |= mask;
- break;
- }
- ra->ra_openpart |= mask;
- return (0);
- }
-
- /* ARGSUSED */
- udaclose(dev, flags, fmt)
- dev_t dev;
- int flags, fmt;
- {
- register int unit = udaunit(dev);
- register struct ra_info *ra = &ra_info[unit];
- int s, mask = (1 << udapart(dev));
-
- switch (fmt) {
- case S_IFCHR:
- ra->ra_copenpart &= ~mask;
- break;
- case S_IFBLK:
- ra->ra_bopenpart &= ~mask;
- break;
- }
- ra->ra_openpart = ra->ra_copenpart | ra->ra_bopenpart;
-
- /*
- * Should wait for I/O to complete on this partition even if
- * others are open, but wait for work on blkflush().
- */
- if (ra->ra_openpart == 0) {
- s = spl5();
- while (udautab[unit].b_actf)
- sleep((caddr_t)&udautab[unit], PZERO - 1);
- splx(s);
- ra->ra_state = CLOSED;
- ra->ra_wlabel = 0;
- }
- return (0);
- }
-
- /*
- * Initialise a drive. If it is not already, bring it on line,
- * and set a timeout on it in case it fails to respond.
- * When on line, read in the pack label.
- */
- uda_rainit(ui, flags)
- register struct uba_device *ui;
- int flags;
- {
- register struct uda_softc *sc = &uda_softc[ui->ui_ctlr];
- register struct disklabel *lp;
- register struct mscp *mp;
- register int unit = ui->ui_unit;
- register struct ra_info *ra;
- char *msg, *readdisklabel();
- int s, i, udastrategy();
- extern int cold;
-
- ra = &ra_info[unit];
- if ((ui->ui_flags & UNIT_ONLINE) == 0) {
- mp = mscp_getcp(&sc->sc_mi, MSCP_WAIT);
- mp->mscp_opcode = M_OP_ONLINE;
- mp->mscp_unit = ui->ui_slave;
- mp->mscp_cmdref = (long)&ui->ui_flags;
- *mp->mscp_addr |= MSCP_OWN | MSCP_INT;
- ra->ra_state = WANTOPEN;
- if (!cold)
- s = spl5();
- i = ((struct udadevice *)ui->ui_addr)->udaip;
-
- if (cold) {
- i = todr() + 1000;
- while ((ui->ui_flags & UNIT_ONLINE) == 0)
- if (todr() > i)
- break;
- } else {
- timeout(wakeup, (caddr_t)&ui->ui_flags, 10 * hz);
- sleep((caddr_t)&ui->ui_flags, PSWP + 1);
- splx(s);
- untimeout(wakeup, (caddr_t)&ui->ui_flags);
- }
- if (ra->ra_state != OPENRAW) {
- ra->ra_state = CLOSED;
- wakeup((caddr_t)ra);
- return (EIO);
- }
- }
-
- lp = &udalabel[unit];
- lp->d_secsize = DEV_BSIZE;
- lp->d_secperunit = ra->ra_dsize;
-
- if (flags & O_NDELAY)
- return (0);
- ra->ra_state = RDLABEL;
- /*
- * Set up default sizes until we have the label, or longer
- * if there is none. Set secpercyl, as readdisklabel wants
- * to compute b_cylin (although we do not need it), and set
- * nsectors in case diskerr is called.
- */
- lp->d_secpercyl = 1;
- lp->d_npartitions = 1;
- lp->d_secsize = 512;
- lp->d_secperunit = ra->ra_dsize;
- lp->d_nsectors = ra->ra_geom.rg_nsectors;
- lp->d_partitions[0].p_size = lp->d_secperunit;
- lp->d_partitions[0].p_offset = 0;
-
- /*
- * Read pack label.
- */
- if ((msg = readdisklabel(udaminor(unit, 0), udastrategy, lp)) != NULL) {
- if (cold)
- printf(": %s", msg);
- else
- log(LOG_ERR, "ra%d: %s", unit, msg);
- #ifdef COMPAT_42
- if (udamaptype(unit, lp))
- ra->ra_state = OPEN;
- else
- ra->ra_state = OPENRAW;
- #else
- ra->ra_state = OPENRAW;
- uda_makefakelabel(ra, lp);
- #endif
- } else
- ra->ra_state = OPEN;
- wakeup((caddr_t)ra);
- return (0);
- }
-
- /*
- * Copy the geometry information for the given ra from a
- * GET UNIT STATUS response. If check, see if it changed.
- */
- uda_rasave(unit, mp, check)
- int unit;
- register struct mscp *mp;
- int check;
- {
- register struct ra_info *ra = &ra_info[unit];
-
- if (check && ra->ra_mediaid != mp->mscp_guse.guse_mediaid) {
- printf("ra%d: changed types! was %d now %d\n", unit,
- ra->ra_mediaid, mp->mscp_guse.guse_mediaid);
- ra->ra_state = CLOSED; /* ??? */
- }
- /* ra->ra_type = mp->mscp_guse.guse_drivetype; */
- ra->ra_mediaid = mp->mscp_guse.guse_mediaid;
- ra->ra_geom.rg_nsectors = mp->mscp_guse.guse_nspt;
- ra->ra_geom.rg_ngroups = mp->mscp_guse.guse_group;
- ra->ra_geom.rg_ngpc = mp->mscp_guse.guse_ngpc;
- ra->ra_geom.rg_ntracks = ra->ra_geom.rg_ngroups * ra->ra_geom.rg_ngpc;
- /* ra_geom.rg_ncyl cannot be computed until we have ra_dsize */
- #ifdef notyet
- ra->ra_geom.rg_rctsize = mp->mscp_guse.guse_rctsize;
- ra->ra_geom.rg_rbns = mp->mscp_guse.guse_nrpt;
- ra->ra_geom.rg_nrct = mp->mscp_guse.guse_nrct;
- #endif
- }
-
- /*
- * 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.
- */
- udastrategy(bp)
- register struct buf *bp;
- {
- register int unit;
- register struct uba_device *ui;
- register struct ra_info *ra;
- struct partition *pp;
- int p;
- daddr_t sz, maxsz;
-
- /*
- * Make sure this is a reasonable drive to use.
- */
- if ((unit = udaunit(bp->b_dev)) >= NRA ||
- (ui = udadinfo[unit]) == NULL || ui->ui_alive == 0 ||
- (ra = &ra_info[unit])->ra_state == CLOSED) {
- bp->b_error = ENXIO;
- goto bad;
- }
-
- /*
- * If drive is open `raw' or reading label, let it at it.
- */
- if (ra->ra_state < OPEN) {
- udastrat1(bp);
- return;
- }
- p = udapart(bp->b_dev);
- if ((ra->ra_openpart & (1 << p)) == 0) {
- bp->b_error = ENODEV;
- goto bad;
- }
-
- /*
- * Determine the size of the transfer, and make sure it is
- * within the boundaries of the partition.
- */
- pp = &udalabel[unit].d_partitions[p];
- maxsz = pp->p_size;
- if (pp->p_offset + pp->p_size > ra->ra_dsize)
- maxsz = ra->ra_dsize - pp->p_offset;
- sz = (bp->b_bcount + DEV_BSIZE - 1) >> DEV_BSHIFT;
- if (bp->b_blkno + pp->p_offset <= LABELSECTOR &&
- #if LABELSECTOR != 0
- bp->b_blkno + pp->p_offset + sz > LABELSECTOR &&
- #endif
- (bp->b_flags & B_READ) == 0 && ra->ra_wlabel == 0) {
- bp->b_error = EROFS;
- goto bad;
- }
- if (bp->b_blkno < 0 || bp->b_blkno + sz > maxsz) {
- /* if exactly at end of disk, return an EOF */
- if (bp->b_blkno == maxsz) {
- bp->b_resid = bp->b_bcount;
- biodone(bp);
- return;
- }
- /* or truncate if part of it fits */
- sz = maxsz - bp->b_blkno;
- if (sz <= 0) {
- bp->b_error = EINVAL; /* or hang it up */
- goto bad;
- }
- bp->b_bcount = sz << DEV_BSHIFT;
- }
- udastrat1(bp);
- return;
- bad:
- bp->b_flags |= B_ERROR;
- biodone(bp);
- }
-
- /*
- * Work routine for udastrategy.
- */
- udastrat1(bp)
- register struct buf *bp;
- {
- register int unit = udaunit(bp->b_dev);
- register struct uba_ctlr *um;
- register struct buf *dp;
- struct uba_device *ui;
- int s = spl5();
-
- /*
- * Append the buffer to the drive queue, and if it is not
- * already there, the drive to the controller queue. (However,
- * if the drive queue is marked to be requeued, we must be
- * awaiting an on line or get unit status command; in this
- * case, leave it off the controller queue.)
- */
- um = (ui = udadinfo[unit])->ui_mi;
- dp = &udautab[unit];
- APPEND(bp, dp, av_forw);
- if (dp->b_active == 0 && (ui->ui_flags & UNIT_REQUEUE) == 0) {
- APPEND(dp, &um->um_tab, b_forw);
- dp->b_active++;
- }
-
- /*
- * Start activity on the controller. Note that unlike other
- * Unibus drivers, we must always do this, not just when the
- * controller is not active.
- */
- udastart(um);
- splx(s);
- }
-
- /*
- * Start up whatever transfers we can find.
- * Note that udastart() must be called at spl5().
- */
- udastart(um)
- register struct uba_ctlr *um;
- {
- register struct uda_softc *sc = &uda_softc[um->um_ctlr];
- register struct buf *bp, *dp;
- register struct mscp *mp;
- struct uba_device *ui;
- struct udadevice *udaddr;
- struct partition *pp;
- int i, sz;
-
- #ifdef lint
- i = 0; i = i;
- #endif
- /*
- * If it is not running, try (again and again...) to initialise
- * it. If it is currently initialising just ignore it for now.
- */
- if (sc->sc_state != ST_RUN) {
- if (sc->sc_state == ST_IDLE && udainit(um->um_ctlr))
- printf("uda%d: still hung\n", um->um_ctlr);
- return;
- }
-
- /*
- * If um_cmd is nonzero, this controller is on the Unibus
- * resource wait queue. It will not help to try more requests;
- * instead, when the Unibus unblocks and calls udadgo(), we
- * will call udastart() again.
- */
- if (um->um_cmd)
- return;
-
- sc->sc_flags |= SC_INSTART;
- udaddr = (struct udadevice *) um->um_addr;
-
- loop:
- /*
- * Service the drive at the head of the queue. It may not
- * need anything, in which case it might be shutting down
- * in udaclose().
- */
- if ((dp = um->um_tab.b_actf) == NULL)
- goto out;
- if ((bp = dp->b_actf) == NULL) {
- dp->b_active = 0;
- um->um_tab.b_actf = dp->b_forw;
- if (ra_info[dp - udautab].ra_openpart == 0)
- wakeup((caddr_t)dp); /* finish close protocol */
- goto loop;
- }
-
- if (udaddr->udasa & UDA_ERR) { /* ctlr fatal error */
- udasaerror(um, 1);
- goto out;
- }
-
- /*
- * Get an MSCP packet, then figure out what to do. If
- * we cannot get a command packet, the command ring may
- * be too small: We should have at least as many command
- * packets as credits, for best performance.
- */
- if ((mp = mscp_getcp(&sc->sc_mi, MSCP_DONTWAIT)) == NULL) {
- if (sc->sc_mi.mi_credits > MSCP_MINCREDITS &&
- (sc->sc_flags & SC_GRIPED) == 0) {
- log(LOG_NOTICE, "uda%d: command ring too small\n",
- um->um_ctlr);
- sc->sc_flags |= SC_GRIPED;/* complain only once */
- }
- goto out;
- }
-
- /*
- * Bring the drive on line if it is not already. Get its status
- * if we do not already have it. Otherwise just start the transfer.
- */
- ui = udadinfo[udaunit(bp->b_dev)];
- if ((ui->ui_flags & UNIT_ONLINE) == 0) {
- mp->mscp_opcode = M_OP_ONLINE;
- goto common;
- }
- if ((ui->ui_flags & UNIT_HAVESTATUS) == 0) {
- mp->mscp_opcode = M_OP_GETUNITST;
- common:
- if (ui->ui_flags & UNIT_REQUEUE) panic("udastart");
- /*
- * Take the drive off the controller queue. When the
- * command finishes, make sure the drive is requeued.
- */
- um->um_tab.b_actf = dp->b_forw;
- dp->b_active = 0;
- ui->ui_flags |= UNIT_REQUEUE;
- mp->mscp_unit = ui->ui_slave;
- *mp->mscp_addr |= MSCP_OWN | MSCP_INT;
- sc->sc_flags |= SC_STARTPOLL;
- #ifdef POLLSTATS
- sc->sc_ncmd++;
- #endif
- goto loop;
- }
-
- pp = &udalabel[ui->ui_unit].d_partitions[udapart(bp->b_dev)];
- mp->mscp_opcode = (bp->b_flags & B_READ) ? M_OP_READ : M_OP_WRITE;
- mp->mscp_unit = ui->ui_slave;
- mp->mscp_seq.seq_lbn = bp->b_blkno + pp->p_offset;
- sz = (bp->b_bcount + DEV_BSIZE - 1) >> DEV_BSHIFT;
- mp->mscp_seq.seq_bytecount = bp->b_blkno + sz > pp->p_size ?
- (pp->p_size - bp->b_blkno) >> DEV_BSHIFT : bp->b_bcount;
- /* mscp_cmdref is filled in by mscp_go() */
-
- /*
- * Drop the packet pointer into the `command' field so udadgo()
- * can tell what to start. If ubago returns 1, we can do another
- * transfer. If not, um_cmd will still point at mp, so we will
- * know that we are waiting for resources.
- */
- um->um_cmd = (int)mp;
- if (ubago(ui))
- goto loop;
-
- /*
- * All done, or blocked in ubago(). If we managed to
- * issue some commands, start up the beast.
- */
- out:
- if (sc->sc_flags & SC_STARTPOLL) {
- #ifdef POLLSTATS
- udastats.cmd[sc->sc_ncmd]++;
- sc->sc_ncmd = 0;
- #endif
- i = ((struct udadevice *)um->um_addr)->udaip;
- }
- sc->sc_flags &= ~(SC_INSTART | SC_STARTPOLL);
- }
-
- /*
- * Start a transfer.
- *
- * If we are not called from within udastart(), we must have been
- * blocked, so call udastart to do more requests (if any). If
- * this calls us again immediately we will not recurse, because
- * that time we will be in udastart(). Clever....
- */
- udadgo(um)
- register struct uba_ctlr *um;
- {
- struct uda_softc *sc = &uda_softc[um->um_ctlr];
- struct mscp *mp = (struct mscp *)um->um_cmd;
-
- um->um_tab.b_active++; /* another transfer going */
-
- /*
- * Fill in the MSCP packet and move the buffer to the
- * I/O wait queue. Mark the controller as no longer on
- * the resource queue, and remember to initiate polling.
- */
- mp->mscp_seq.seq_buffer = UBAI_ADDR(um->um_ubinfo) |
- (UBAI_BDP(um->um_ubinfo) << 24);
- mscp_go(&sc->sc_mi, mp, um->um_ubinfo);
- um->um_cmd = 0;
- um->um_ubinfo = 0; /* tyke it awye */
- sc->sc_flags |= SC_STARTPOLL;
- #ifdef POLLSTATS
- sc->sc_ncmd++;
- #endif
- if ((sc->sc_flags & SC_INSTART) == 0)
- udastart(um);
- }
-
- udaiodone(mi, bp, info)
- register struct mscp_info *mi;
- struct buf *bp;
- int info;
- {
- register struct uba_ctlr *um = udaminfo[mi->mi_ctlr];
-
- um->um_ubinfo = info;
- ubadone(um);
- biodone(bp);
- if (um->um_bdp && mi->mi_wtab.av_forw == &mi->mi_wtab)
- ubarelse(um->um_ubanum, &um->um_bdp);
- um->um_tab.b_active--; /* another transfer done */
- }
-
- static struct saerr {
- int code; /* error code (including UDA_ERR) */
- char *desc; /* what it means: Efoo => foo error */
- } saerr[] = {
- { 0100001, "Eunibus packet read" },
- { 0100002, "Eunibus packet write" },
- { 0100003, "EUDA ROM and RAM parity" },
- { 0100004, "EUDA RAM parity" },
- { 0100005, "EUDA ROM parity" },
- { 0100006, "Eunibus ring read" },
- { 0100007, "Eunibus ring write" },
- { 0100010, " unibus interrupt master failure" },
- { 0100011, "Ehost access timeout" },
- { 0100012, " host exceeded command limit" },
- { 0100013, " unibus bus master failure" },
- { 0100014, " DM XFC fatal error" },
- { 0100015, " hardware timeout of instruction loop" },
- { 0100016, " invalid virtual circuit id" },
- { 0100017, "Eunibus interrupt write" },
- { 0104000, "Efatal sequence" },
- { 0104040, " D proc ALU" },
- { 0104041, "ED proc control ROM parity" },
- { 0105102, "ED proc w/no BD#2 or RAM parity" },
- { 0105105, "ED proc RAM buffer" },
- { 0105152, "ED proc SDI" },
- { 0105153, "ED proc write mode wrap serdes" },
- { 0105154, "ED proc read mode serdes, RSGEN & ECC" },
- { 0106040, "EU proc ALU" },
- { 0106041, "EU proc control reg" },
- { 0106042, " U proc DFAIL/cntl ROM parity/BD #1 test CNT" },
- { 0106047, " U proc const PROM err w/D proc running SDI test" },
- { 0106055, " unexpected trap" },
- { 0106071, "EU proc const PROM" },
- { 0106072, "EU proc control ROM parity" },
- { 0106200, "Estep 1 data" },
- { 0107103, "EU proc RAM parity" },
- { 0107107, "EU proc RAM buffer" },
- { 0107115, " test count wrong (BD 12)" },
- { 0112300, "Estep 2" },
- { 0122240, "ENPR" },
- { 0122300, "Estep 3" },
- { 0142300, "Estep 4" },
- { 0, " unknown error code" }
- };
-
- /*
- * If the error bit was set in the controller status register, gripe,
- * then (optionally) reset the controller and requeue pending transfers.
- */
- udasaerror(um, doreset)
- register struct uba_ctlr *um;
- int doreset;
- {
- register int code = ((struct udadevice *)um->um_addr)->udasa;
- register struct saerr *e;
-
- if ((code & UDA_ERR) == 0)
- return;
- for (e = saerr; e->code; e++)
- if (e->code == code)
- break;
- printf("uda%d: controller error, sa=0%o (%s%s)\n",
- um->um_ctlr, code, e->desc + 1,
- *e->desc == 'E' ? " error" : "");
- if (doreset) {
- mscp_requeue(&uda_softc[um->um_ctlr].sc_mi);
- (void) udainit(um->um_ctlr);
- }
- }
-
- /*
- * Interrupt routine. Depending on the state of the controller,
- * continue initialisation, or acknowledge command and response
- * interrupts, and process responses.
- */
- udaintr(ctlr)
- int ctlr;
- {
- register struct uba_ctlr *um = udaminfo[ctlr];
- register struct uda_softc *sc = &uda_softc[ctlr];
- register struct udadevice *udaddr = (struct udadevice *)um->um_addr;
- register struct uda *ud;
- register struct mscp *mp;
- register int i;
-
- #ifdef QBA
- splx(sc->sc_ipl); /* Qbus interrupt protocol is odd */
- #endif
- sc->sc_wticks = 0; /* reset interrupt watchdog */
-
- /*
- * Combinations during steps 1, 2, and 3: STEPnMASK
- * corresponds to which bits should be tested;
- * STEPnGOOD corresponds to the pattern that should
- * appear after the interrupt from STEPn initialisation.
- * All steps test the bits in ALLSTEPS.
- */
- #define ALLSTEPS (UDA_ERR|UDA_STEP4|UDA_STEP3|UDA_STEP2|UDA_STEP1)
-
- #define STEP1MASK (ALLSTEPS | UDA_IE | UDA_NCNRMASK)
- #define STEP1GOOD (UDA_STEP2 | UDA_IE | (NCMDL2 << 3) | NRSPL2)
-
- #define STEP2MASK (ALLSTEPS | UDA_IE | UDA_IVECMASK)
- #define STEP2GOOD (UDA_STEP3 | UDA_IE | (sc->sc_ivec >> 2))
-
- #define STEP3MASK ALLSTEPS
- #define STEP3GOOD UDA_STEP4
-
- switch (sc->sc_state) {
-
- case ST_IDLE:
- /*
- * Ignore unsolicited interrupts.
- */
- log(LOG_WARNING, "uda%d: stray intr\n", ctlr);
- return;
-
- case ST_STEP1:
- /*
- * Begin step two initialisation.
- */
- if ((udaddr->udasa & STEP1MASK) != STEP1GOOD) {
- i = 1;
- initfailed:
- printf("uda%d: init step %d failed, sa=%b\n",
- ctlr, i, udaddr->udasa, udasr_bits);
- udasaerror(um, 0);
- sc->sc_state = ST_IDLE;
- if (sc->sc_flags & SC_DOWAKE) {
- sc->sc_flags &= ~SC_DOWAKE;
- wakeup((caddr_t)sc);
- }
- return;
- }
- udaddr->udasa = (int)&sc->sc_uda->uda_ca.ca_rspdsc[0] |
- (cpu == VAX_780 || cpu == VAX_8600 ? UDA_PI : 0);
- sc->sc_state = ST_STEP2;
- return;
-
- case ST_STEP2:
- /*
- * Begin step 3 initialisation.
- */
- if ((udaddr->udasa & STEP2MASK) != STEP2GOOD) {
- i = 2;
- goto initfailed;
- }
- udaddr->udasa = ((int)&sc->sc_uda->uda_ca.ca_rspdsc[0]) >> 16;
- sc->sc_state = ST_STEP3;
- return;
-
- case ST_STEP3:
- /*
- * Set controller characteristics (finish initialisation).
- */
- if ((udaddr->udasa & STEP3MASK) != STEP3GOOD) {
- i = 3;
- goto initfailed;
- }
- i = udaddr->udasa & 0xff;
- if (i != sc->sc_micro) {
- sc->sc_micro = i;
- printf("uda%d: version %d model %d\n",
- ctlr, i & 0xf, i >> 4);
- }
-
- /*
- * Present the burst size, then remove it. Why this
- * should be done this way, I have no idea.
- *
- * Note that this assumes udaburst[ctlr] > 0.
- */
- udaddr->udasa = UDA_GO | (udaburst[ctlr] - 1) << 2;
- udaddr->udasa = UDA_GO;
- printf("uda%d: DMA burst size set to %d\n",
- ctlr, udaburst[ctlr]);
-
- udainitds(ctlr); /* initialise data structures */
-
- /*
- * Before we can get a command packet, we need some
- * credits. Fake some up to keep mscp_getcp() happy,
- * get a packet, and cancel all credits (the right
- * number should come back in the response to the
- * SCC packet).
- */
- sc->sc_mi.mi_credits = MSCP_MINCREDITS + 1;
- mp = mscp_getcp(&sc->sc_mi, MSCP_DONTWAIT);
- if (mp == NULL) /* `cannot happen' */
- panic("udaintr");
- sc->sc_mi.mi_credits = 0;
- mp->mscp_opcode = M_OP_SETCTLRC;
- mp->mscp_unit = 0;
- mp->mscp_sccc.sccc_ctlrflags = M_CF_ATTN | M_CF_MISC |
- M_CF_THIS;
- *mp->mscp_addr |= MSCP_OWN | MSCP_INT;
- i = udaddr->udaip;
- sc->sc_state = ST_SETCHAR;
- return;
-
- case ST_SETCHAR:
- case ST_RUN:
- /*
- * Handle Set Ctlr Characteristics responses and operational
- * responses (via mscp_dorsp).
- */
- break;
-
- default:
- printf("uda%d: driver bug, state %d\n", ctlr, sc->sc_state);
- panic("udastate");
- }
-
- if (udaddr->udasa & UDA_ERR) { /* ctlr fatal error */
- udasaerror(um, 1);
- return;
- }
-
- ud = &uda[ctlr];
-
- /*
- * Handle buffer purge requests.
- */
- if (ud->uda_ca.ca_bdp) {
- UBAPURGE(um->um_hd->uh_uba, ud->uda_ca.ca_bdp);
- ud->uda_ca.ca_bdp = 0;
- udaddr->udasa = 0; /* signal purge complete */
- }
-
- /*
- * Check for response and command ring transitions.
- */
- if (ud->uda_ca.ca_rspint) {
- ud->uda_ca.ca_rspint = 0;
- mscp_dorsp(&sc->sc_mi);
- }
- if (ud->uda_ca.ca_cmdint) {
- ud->uda_ca.ca_cmdint = 0;
- MSCP_DOCMD(&sc->sc_mi);
- }
- udastart(um);
- }
-
- /*
- * Initialise the various data structures that control the UDA50.
- */
- udainitds(ctlr)
- int ctlr;
- {
- register struct uda *ud = &uda[ctlr];
- register struct uda *uud = uda_softc[ctlr].sc_uda;
- register struct mscp *mp;
- register int i;
-
- for (i = 0, mp = ud->uda_rsp; i < NRSP; i++, mp++) {
- ud->uda_ca.ca_rspdsc[i] = MSCP_OWN | MSCP_INT |
- (long)&uud->uda_rsp[i].mscp_cmdref;
- mp->mscp_addr = &ud->uda_ca.ca_rspdsc[i];
- mp->mscp_msglen = MSCP_MSGLEN;
- }
- for (i = 0, mp = ud->uda_cmd; i < NCMD; i++, mp++) {
- ud->uda_ca.ca_cmddsc[i] = MSCP_INT |
- (long)&uud->uda_cmd[i].mscp_cmdref;
- mp->mscp_addr = &ud->uda_ca.ca_cmddsc[i];
- mp->mscp_msglen = MSCP_MSGLEN;
- }
- }
-
- /*
- * Handle an error datagram.
- */
- udadgram(mi, mp)
- struct mscp_info *mi;
- struct mscp *mp;
- {
-
- mscp_decodeerror(mi->mi_md->md_mname, mi->mi_ctlr, mp);
- /*
- * SDI status information bytes 10 and 11 are the microprocessor
- * error code and front panel code respectively. These vary per
- * drive type and are printed purely for field service information.
- */
- if (mp->mscp_format == M_FM_SDI)
- printf("\tsdi uproc error code 0x%x, front panel code 0x%x\n",
- mp->mscp_erd.erd_sdistat[10],
- mp->mscp_erd.erd_sdistat[11]);
- }
-
- /*
- * The Set Controller Characteristics command finished.
- * Record the new state of the controller.
- */
- udactlrdone(mi, mp)
- register struct mscp_info *mi;
- struct mscp *mp;
- {
- register struct uda_softc *sc = &uda_softc[mi->mi_ctlr];
-
- if ((mp->mscp_status & M_ST_MASK) == M_ST_SUCCESS)
- sc->sc_state = ST_RUN;
- else {
- printf("uda%d: SETCTLRC failed: ",
- mi->mi_ctlr, mp->mscp_status);
- mscp_printevent(mp);
- sc->sc_state = ST_IDLE;
- }
- if (sc->sc_flags & SC_DOWAKE) {
- sc->sc_flags &= ~SC_DOWAKE;
- wakeup((caddr_t)sc);
- }
- }
-
- /*
- * Received a response from an as-yet unconfigured drive. Configure it
- * in, if possible.
- */
- udaunconf(mi, mp)
- struct mscp_info *mi;
- register struct mscp *mp;
- {
-
- /*
- * If it is a slave response, copy it to udaslavereply for
- * udaslave() to look at.
- */
- if (mp->mscp_opcode == (M_OP_GETUNITST | M_OP_END) &&
- (uda_softc[mi->mi_ctlr].sc_flags & SC_INSLAVE) != 0) {
- udaslavereply = *mp;
- return (MSCP_DONE);
- }
-
- /*
- * Otherwise, it had better be an available attention response.
- */
- if (mp->mscp_opcode != M_OP_AVAILATTN)
- return (MSCP_FAILED);
-
- /* do what autoconf does */
- return (MSCP_FAILED); /* not yet, arwhite, not yet */
- }
-
- /*
- * A drive came on line. Check its type and size. Return DONE if
- * we think the drive is truly on line. In any case, awaken anyone
- * sleeping on the drive on-line-ness.
- */
- udaonline(ui, mp)
- register struct uba_device *ui;
- struct mscp *mp;
- {
- register struct ra_info *ra = &ra_info[ui->ui_unit];
-
- wakeup((caddr_t)&ui->ui_flags);
- if ((mp->mscp_status & M_ST_MASK) != M_ST_SUCCESS) {
- if (!cold)
- printf("uda%d: ra%d", ui->ui_ctlr, ui->ui_unit);
- printf(": attempt to bring on line failed: ");
- mscp_printevent(mp);
- ra->ra_state = CLOSED;
- return (MSCP_FAILED);
- }
-
- ra->ra_state = OPENRAW;
- ra->ra_dsize = (daddr_t)mp->mscp_onle.onle_unitsize;
- if (!cold)
- printf("ra%d: uda%d, unit %d, size = %d sectors\n", ui->ui_unit,
- ui->ui_ctlr, mp->mscp_unit, ra->ra_dsize);
- /* can now compute ncyl */
- ra->ra_geom.rg_ncyl = ra->ra_dsize / ra->ra_geom.rg_ntracks /
- ra->ra_geom.rg_nsectors;
- return (MSCP_DONE);
- }
-
- /*
- * We got some (configured) unit's status. Return DONE if it succeeded.
- */
- udagotstatus(ui, mp)
- register struct uba_device *ui;
- register struct mscp *mp;
- {
-
- if ((mp->mscp_status & M_ST_MASK) != M_ST_SUCCESS) {
- printf("uda%d: attempt to get status for ra%d failed: ",
- ui->ui_ctlr, ui->ui_unit);
- mscp_printevent(mp);
- return (MSCP_FAILED);
- }
- /* record for (future) bad block forwarding and whatever else */
- uda_rasave(ui->ui_unit, mp, 1);
- return (MSCP_DONE);
- }
-
- /*
- * A transfer failed. We get a chance to fix or restart it.
- * Need to write the bad block forwaring code first....
- */
- /*ARGSUSED*/
- udaioerror(ui, mp, bp)
- register struct uba_device *ui;
- register struct mscp *mp;
- struct buf *bp;
- {
-
- if (mp->mscp_flags & M_EF_BBLKR) {
- /*
- * A bad block report. Eventually we will
- * restart this transfer, but for now, just
- * log it and give up.
- */
- log(LOG_ERR, "ra%d: bad block report: %d%s\n",
- ui->ui_unit, mp->mscp_seq.seq_lbn,
- mp->mscp_flags & M_EF_BBLKU ? " + others" : "");
- } else {
- /*
- * What the heck IS a `serious exception' anyway?
- * IT SURE WOULD BE NICE IF DEC SOLD DOCUMENTATION
- * FOR THEIR OWN CONTROLLERS.
- */
- if (mp->mscp_flags & M_EF_SEREX)
- log(LOG_ERR, "ra%d: serious exception reported\n",
- ui->ui_unit);
- }
- return (MSCP_FAILED);
- }
-
- /*
- * A replace operation finished.
- */
- /*ARGSUSED*/
- udareplace(ui, mp)
- struct uba_device *ui;
- struct mscp *mp;
- {
-
- panic("udareplace");
- }
-
- /*
- * A bad block related operation finished.
- */
- /*ARGSUSED*/
- udabb(ui, mp, bp)
- struct uba_device *ui;
- struct mscp *mp;
- struct buf *bp;
- {
-
- panic("udabb");
- }
-
-
- /*
- * I/O controls.
- */
- udaioctl(dev, cmd, data, flag)
- dev_t dev;
- int cmd;
- caddr_t data;
- int flag;
- {
- register int unit = udaunit(dev);
- register struct disklabel *lp;
- register struct ra_info *ra = &ra_info[unit];
- int error = 0;
-
- lp = &udalabel[unit];
-
- switch (cmd) {
-
- case DIOCGDINFO:
- *(struct disklabel *)data = *lp;
- break;
-
- case DIOCGPART:
- ((struct partinfo *)data)->disklab = lp;
- ((struct partinfo *)data)->part =
- &lp->d_partitions[udapart(dev)];
- break;
-
- case DIOCSDINFO:
- if ((flag & FWRITE) == 0)
- error = EBADF;
- else
- error = setdisklabel(lp, (struct disklabel *)data,
- (ra->ra_state == OPENRAW) ? 0 : ra->ra_openpart);
- break;
-
- case DIOCWLABEL:
- if ((flag & FWRITE) == 0)
- error = EBADF;
- else
- ra->ra_wlabel = *(int *)data;
- break;
-
- case DIOCWDINFO:
- if ((flag & FWRITE) == 0)
- error = EBADF;
- else if ((error = setdisklabel(lp, (struct disklabel *)data,
- (ra->ra_state == OPENRAW) ? 0 : ra->ra_openpart)) == 0) {
- int wlab;
-
- ra->ra_state = OPEN;
- /* simulate opening partition 0 so write succeeds */
- ra->ra_openpart |= (1 << 0); /* XXX */
- wlab = ra->ra_wlabel;
- ra->ra_wlabel = 1;
- error = writedisklabel(dev, udastrategy, lp);
- ra->ra_openpart = ra->ra_copenpart | ra->ra_bopenpart;
- ra->ra_wlabel = wlab;
- }
- break;
-
- #ifdef notyet
- case UDAIOCREPLACE:
- /*
- * Initiate bad block replacement for the given LBN.
- * (Should we allow modifiers?)
- */
- error = EOPNOTSUPP;
- break;
-
- case UDAIOCGMICRO:
- /*
- * Return the microcode revision for the UDA50 running
- * this drive.
- */
- *(int *)data = uda_softc[uddinfo[unit]->ui_ctlr].sc_micro;
- break;
- #endif
-
- default:
- error = ENOTTY;
- break;
- }
- return (error);
- }
-
- /*
- * A Unibus reset has occurred on UBA uban. Reinitialise the controller(s)
- * on that Unibus, and requeue outstanding I/O.
- */
- udareset(uban)
- int uban;
- {
- register struct uba_ctlr *um;
- register struct uda_softc *sc;
- register int ctlr;
-
- for (ctlr = 0, sc = uda_softc; ctlr < NUDA; ctlr++, sc++) {
- if ((um = udaminfo[ctlr]) == NULL || um->um_ubanum != uban ||
- um->um_alive == 0)
- continue;
- printf(" uda%d", ctlr);
-
- /*
- * Our BDP (if any) is gone; our command (if any) is
- * flushed; the device is no longer mapped; and the
- * UDA50 is not yet initialised.
- */
- if (um->um_bdp) {
- printf("<%d>", UBAI_BDP(um->um_bdp));
- um->um_bdp = 0;
- }
- um->um_ubinfo = 0;
- um->um_cmd = 0;
- sc->sc_flags &= ~SC_MAPPED;
- sc->sc_state = ST_IDLE;
-
- /* reset queues and requeue pending transfers */
- mscp_requeue(&sc->sc_mi);
-
- /*
- * If it fails to initialise we will notice later and
- * try again (and again...). Do not call udastart()
- * here; it will be done after the controller finishes
- * initialisation.
- */
- if (udainit(ctlr))
- printf(" (hung)");
- }
- }
-
- /*
- * Watchdog timer: If the controller is active, and no interrupts
- * have occurred for 30 seconds, assume it has gone away.
- */
- udawatch()
- {
- register int i;
- register struct uba_ctlr *um;
- register struct uda_softc *sc;
-
- timeout(udawatch, (caddr_t) 0, hz); /* every second */
- for (i = 0, sc = uda_softc; i < NUDA; i++, sc++) {
- if ((um = udaminfo[i]) == 0 || !um->um_alive)
- continue;
- if (sc->sc_state == ST_IDLE)
- continue;
- if (sc->sc_state == ST_RUN && !um->um_tab.b_active)
- sc->sc_wticks = 0;
- else if (++sc->sc_wticks >= 30) {
- sc->sc_wticks = 0;
- printf("uda%d: lost interrupt\n", i);
- ubareset(um->um_ubanum);
- }
- }
- }
-
- /*
- * Do a panic dump. We set up the controller for one command packet
- * and one response packet, for which we use `struct uda1'.
- */
- struct uda1 {
- struct uda1ca uda1_ca; /* communications area */
- struct mscp uda1_rsp; /* response packet */
- struct mscp uda1_cmd; /* command packet */
- } uda1;
-
- #define DBSIZE 32 /* dump 16K at a time */
-
- udadump(dev)
- dev_t dev;
- {
- struct udadevice *udaddr;
- struct uda1 *ud_ubaddr;
- char *start;
- int num, blk, unit, maxsz, blkoff, reg;
- struct partition *pp;
- register struct uba_regs *uba;
- register struct uba_device *ui;
- register struct uda1 *ud;
- register struct pte *io;
- register int i;
-
- /*
- * Make sure the device is a reasonable place on which to dump.
- */
- unit = udaunit(dev);
- if (unit >= NRA)
- return (ENXIO);
- #define phys(cast, addr) ((cast) ((int)addr & 0x7fffffff))
- ui = phys(struct uba_device *, udadinfo[unit]);
- if (ui == NULL || ui->ui_alive == 0)
- return (ENXIO);
-
- /*
- * Find and initialise the UBA; get the physical address of the
- * device registers, and of communications area and command and
- * response packet.
- */
- uba = phys(struct uba_hd *, ui->ui_hd)->uh_physuba;
- ubainit(uba);
- udaddr = (struct udadevice *)ui->ui_physaddr;
- ud = phys(struct uda1 *, &uda1);
-
- /*
- * Map the ca+packets into Unibus I/O space so the UDA50 can get
- * at them. Use the registers at the end of the Unibus map (since
- * we will use the registers at the beginning to map the memory
- * we are dumping).
- */
- num = btoc(sizeof(struct uda1)) + 1;
- reg = NUBMREG - num;
- io = &uba->uba_map[reg];
- for (i = 0; i < num; i++)
- *(int *)io++ = UBAMR_MRV | (btop(ud) + i);
- ud_ubaddr = (struct uda1 *)(((int)ud & PGOFSET) | (reg << 9));
-
- /*
- * Initialise the controller, with one command and one response
- * packet.
- */
- udaddr->udaip = 0;
- if (udadumpwait(udaddr, UDA_STEP1))
- return (EFAULT);
- udaddr->udasa = UDA_ERR;
- if (udadumpwait(udaddr, UDA_STEP2))
- return (EFAULT);
- udaddr->udasa = (int)&ud_ubaddr->uda1_ca.ca_rspdsc;
- if (udadumpwait(udaddr, UDA_STEP3))
- return (EFAULT);
- udaddr->udasa = ((int)&ud_ubaddr->uda1_ca.ca_rspdsc) >> 16;
- if (udadumpwait(udaddr, UDA_STEP4))
- return (EFAULT);
- uda_softc[ui->ui_ctlr].sc_micro = udaddr->udasa & 0xff;
- udaddr->udasa = UDA_GO;
-
- /*
- * Set up the command and response descriptor, then set the
- * controller characteristics and bring the drive on line.
- * Note that all uninitialised locations in uda1_cmd are zero.
- */
- ud->uda1_ca.ca_rspdsc = (long)&ud_ubaddr->uda1_rsp.mscp_cmdref;
- ud->uda1_ca.ca_cmddsc = (long)&ud_ubaddr->uda1_cmd.mscp_cmdref;
- /* ud->uda1_cmd.mscp_sccc.sccc_ctlrflags = 0; */
- /* ud->uda1_cmd.mscp_sccc.sccc_version = 0; */
- if (udadumpcmd(M_OP_SETCTLRC, ud, ui))
- return (EFAULT);
- ud->uda1_cmd.mscp_unit = ui->ui_slave;
- if (udadumpcmd(M_OP_ONLINE, ud, ui))
- return (EFAULT);
-
- pp = phys(struct partition *,
- &udalabel[unit].d_partitions[udapart(dev)]);
- maxsz = pp->p_size;
- blkoff = pp->p_offset;
-
- /*
- * Dump all of physical memory, or as much as will fit in the
- * space provided.
- */
- start = 0;
- num = maxfree;
- if (dumplo + num >= maxsz)
- num = maxsz - dumplo;
- blkoff += dumplo;
-
- /*
- * Write out memory, DBSIZE pages at a time.
- * N.B.: this code depends on the fact that the sector
- * size == the page size.
- */
- while (num > 0) {
- blk = num > DBSIZE ? DBSIZE : num;
- io = uba->uba_map;
- /*
- * Map in the pages to write, leaving an invalid entry
- * at the end to guard against wild Unibus transfers.
- * Then do the write.
- */
- for (i = 0; i < blk; i++)
- *(int *)io++ = UBAMR_MRV | (btop(start) + i);
- *(int *)io = 0;
- ud->uda1_cmd.mscp_unit = ui->ui_slave;
- ud->uda1_cmd.mscp_seq.seq_lbn = btop(start) + blkoff;
- ud->uda1_cmd.mscp_seq.seq_bytecount = blk << PGSHIFT;
- if (udadumpcmd(M_OP_WRITE, ud, ui))
- return (EIO);
- start += blk << PGSHIFT;
- num -= blk;
- }
- return (0); /* made it! */
- }
-
- /*
- * Wait for some of the bits in `bits' to come on. If the error bit
- * comes on, or ten seconds pass without response, return true (error).
- */
- udadumpwait(udaddr, bits)
- register struct udadevice *udaddr;
- register int bits;
- {
- register int timo = todr() + 1000;
-
- while ((udaddr->udasa & bits) == 0) {
- if (udaddr->udasa & UDA_ERR) {
- printf("udasa=%b\ndump ", udaddr->udasa, udasr_bits);
- return (1);
- }
- if (todr() >= timo) {
- printf("timeout\ndump ");
- return (1);
- }
- }
- return (0);
- }
-
- /*
- * Feed a command to the UDA50, wait for its response, and return
- * true iff something went wrong.
- */
- udadumpcmd(op, ud, ui)
- int op;
- register struct uda1 *ud;
- struct uba_device *ui;
- {
- register struct udadevice *udaddr;
- register int n;
- #define mp (&ud->uda1_rsp)
-
- udaddr = (struct udadevice *)ui->ui_physaddr;
- ud->uda1_cmd.mscp_opcode = op;
- ud->uda1_cmd.mscp_msglen = MSCP_MSGLEN;
- ud->uda1_rsp.mscp_msglen = MSCP_MSGLEN;
- ud->uda1_ca.ca_rspdsc |= MSCP_OWN | MSCP_INT;
- ud->uda1_ca.ca_cmddsc |= MSCP_OWN | MSCP_INT;
- if (udaddr->udasa & UDA_ERR) {
- printf("udasa=%b\ndump ", udaddr->udasa, udasr_bits);
- return (1);
- }
- n = udaddr->udaip;
- n = todr() + 1000;
- for (;;) {
- if (todr() > n) {
- printf("timeout\ndump ");
- return (1);
- }
- if (ud->uda1_ca.ca_cmdint)
- ud->uda1_ca.ca_cmdint = 0;
- if (ud->uda1_ca.ca_rspint == 0)
- continue;
- ud->uda1_ca.ca_rspint = 0;
- if (mp->mscp_opcode == (op | M_OP_END))
- break;
- printf("\n");
- switch (MSCP_MSGTYPE(mp->mscp_msgtc)) {
-
- case MSCPT_SEQ:
- printf("sequential");
- break;
-
- case MSCPT_DATAGRAM:
- mscp_decodeerror("uda", ui->ui_ctlr, mp);
- printf("datagram");
- break;
-
- case MSCPT_CREDITS:
- printf("credits");
- break;
-
- case MSCPT_MAINTENANCE:
- printf("maintenance");
- break;
-
- default:
- printf("unknown (type 0x%x)",
- MSCP_MSGTYPE(mp->mscp_msgtc));
- break;
- }
- printf(" ignored\ndump ");
- ud->uda1_ca.ca_rspdsc |= MSCP_OWN | MSCP_INT;
- }
- if ((mp->mscp_status & M_ST_MASK) != M_ST_SUCCESS) {
- printf("error: op 0x%x => 0x%x status 0x%x\ndump ", op,
- mp->mscp_opcode, mp->mscp_status);
- return (1);
- }
- return (0);
- #undef mp
- }
-
- /*
- * Return the size of a partition, if known, or -1 if not.
- */
- udasize(dev)
- dev_t dev;
- {
- register int unit = udaunit(dev);
- register struct uba_device *ui;
-
- if (unit >= NRA || (ui = udadinfo[unit]) == NULL ||
- ui->ui_alive == 0 || (ui->ui_flags & UNIT_ONLINE) == 0 ||
- ra_info[unit].ra_state != OPEN)
- return (-1);
- return ((int)udalabel[unit].d_partitions[udapart(dev)].p_size);
- }
-
- #ifdef COMPAT_42
- /*
- * Tables mapping unlabelled drives.
- */
- struct size {
- daddr_t nblocks;
- daddr_t blkoff;
- } ra60_sizes[8] = {
- 15884, 0, /* A=sectors 0 thru 15883 */
- 33440, 15884, /* B=sectors 15884 thru 49323 */
- 400176, 0, /* C=sectors 0 thru 400175 */
- 82080, 49324, /* 4.2 G => D=sectors 49324 thru 131403 */
- 268772, 131404, /* 4.2 H => E=sectors 131404 thru 400175 */
- 350852, 49324, /* F=sectors 49324 thru 400175 */
- 157570, 242606, /* UCB G => G=sectors 242606 thru 400175 */
- 193282, 49324, /* UCB H => H=sectors 49324 thru 242605 */
- }, ra70_sizes[8] = {
- 15884, 0, /* A=blk 0 thru 15883 */
- 33440, 15972, /* B=blk 15972 thru 49323 */
- -1, 0, /* C=blk 0 thru end */
- 15884, 341220, /* D=blk 341220 thru 357103 */
- 55936, 357192, /* E=blk 357192 thru 413127 */
- -1, 413457, /* F=blk 413457 thru end */
- -1, 341220, /* G=blk 341220 thru end */
- 291346, 49731, /* H=blk 49731 thru 341076 */
- }, ra80_sizes[8] = {
- 15884, 0, /* A=sectors 0 thru 15883 */
- 33440, 15884, /* B=sectors 15884 thru 49323 */
- 242606, 0, /* C=sectors 0 thru 242605 */
- 0, 0, /* D=unused */
- 193282, 49324, /* UCB H => E=sectors 49324 thru 242605 */
- 82080, 49324, /* 4.2 G => F=sectors 49324 thru 131403 */
- 192696, 49910, /* G=sectors 49910 thru 242605 */
- 111202, 131404, /* 4.2 H => H=sectors 131404 thru 242605 */
- }, ra81_sizes[8] ={
- /*
- * These are the new standard partition sizes for ra81's.
- * An RA_COMPAT system is compiled with D, E, and F corresponding
- * to the 4.2 partitions for G, H, and F respectively.
- */
- #ifndef UCBRA
- 15884, 0, /* A=sectors 0 thru 15883 */
- 66880, 16422, /* B=sectors 16422 thru 83301 */
- 891072, 0, /* C=sectors 0 thru 891071 */
- #ifdef RA_COMPAT
- 82080, 49324, /* 4.2 G => D=sectors 49324 thru 131403 */
- 759668, 131404, /* 4.2 H => E=sectors 131404 thru 891071 */
- 478582, 412490, /* 4.2 F => F=sectors 412490 thru 891071 */
- #else
- 15884, 375564, /* D=sectors 375564 thru 391447 */
- 307200, 391986, /* E=sectors 391986 thru 699185 */
- 191352, 699720, /* F=sectors 699720 thru 891071 */
- #endif RA_COMPAT
- 515508, 375564, /* G=sectors 375564 thru 891071 */
- 291346, 83538, /* H=sectors 83538 thru 374883 */
-
- /*
- * These partitions correspond to the sizes used by sites at Berkeley,
- * and by those sites that have received copies of the Berkeley driver
- * with deltas 6.2 or greater (11/15/83).
- */
- #else UCBRA
-
- 15884, 0, /* A=sectors 0 thru 15883 */
- 33440, 15884, /* B=sectors 15884 thru 49323 */
- 891072, 0, /* C=sectors 0 thru 891071 */
- 15884, 242606, /* D=sectors 242606 thru 258489 */
- 307200, 258490, /* E=sectors 258490 thru 565689 */
- 325382, 565690, /* F=sectors 565690 thru 891071 */
- 648466, 242606, /* G=sectors 242606 thru 891071 */
- 193282, 49324, /* H=sectors 49324 thru 242605 */
-
- #endif UCBRA
- }, ra82_sizes[8] = {
- 15884, 0, /* A=blk 0 thru 15883 */
- 66880, 16245, /* B=blk 16245 thru 83124 */
- -1, 0, /* C=blk 0 thru end */
- 15884, 375345, /* D=blk 375345 thru 391228 */
- 307200, 391590, /* E=blk 391590 thru 698789 */
- -1, 699390, /* F=blk 699390 thru end */
- -1, 375345, /* G=blk 375345 thru end */
- 291346, 83790, /* H=blk 83790 thru 375135 */
- }, rc25_sizes[8] = {
- 15884, 0, /* A=blk 0 thru 15883 */
- 10032, 15884, /* B=blk 15884 thru 49323 */
- -1, 0, /* C=blk 0 thru end */
- 0, 0, /* D=blk 340670 thru 356553 */
- 0, 0, /* E=blk 356554 thru 412489 */
- 0, 0, /* F=blk 412490 thru end */
- -1, 25916, /* G=blk 49324 thru 131403 */
- 0, 0, /* H=blk 131404 thru end */
- }, rd52_sizes[8] = {
- 15884, 0, /* A=blk 0 thru 15883 */
- 9766, 15884, /* B=blk 15884 thru 25649 */
- -1, 0, /* C=blk 0 thru end */
- 0, 0, /* D=unused */
- 0, 0, /* E=unused */
- 0, 0, /* F=unused */
- -1, 25650, /* G=blk 25650 thru end */
- 0, 0, /* H=unused */
- }, rd53_sizes[8] = {
- 15884, 0, /* A=blk 0 thru 15883 */
- 33440, 15884, /* B=blk 15884 thru 49323 */
- -1, 0, /* C=blk 0 thru end */
- 0, 0, /* D=unused */
- 33440, 0, /* E=blk 0 thru 33439 */
- -1, 33440, /* F=blk 33440 thru end */
- -1, 49324, /* G=blk 49324 thru end */
- -1, 15884, /* H=blk 15884 thru end */
- }, rd54_sizes[8] = {
- 15884, 0, /* A=blk 0 thru 15883 */
- 33440, 15884, /* B=blk 15884 thru 49323 */
- -1, 0, /* C=blk 0 thru end */
- 130938, 49324, /* D=blk 49324 thru 180261 */
- 130938, 180262, /* E=blk 180262 thru 311199 (end) */
- 0, 0, /* F=unused */
- 261876, 49324, /* G=blk 49324 thru 311199 (end) */
- 0, 0, /* H=unused */
- }, rx50_sizes[8] = {
- 800, 0, /* A=blk 0 thru 799 */
- 0, 0,
- -1, 0, /* C=blk 0 thru end */
- 0, 0,
- 0, 0,
- 0, 0,
- 0, 0,
- 0, 0,
- };
-
- /*
- * Media ID decoding table.
- */
- struct udatypes {
- u_long ut_id; /* media drive ID */
- char *ut_name; /* drive type name */
- struct size *ut_sizes; /* partition tables */
- int ut_nsectors, ut_ntracks, ut_ncylinders;
- } udatypes[] = {
- { MSCP_MKDRIVE2('R', 'A', 60), "ra60", ra60_sizes, 42, 4, 2382 },
- { MSCP_MKDRIVE2('R', 'A', 70), "ra70", ra70_sizes, 33, 11, 1507 },
- { MSCP_MKDRIVE2('R', 'A', 80), "ra80", ra80_sizes, 31, 14, 559 },
- { MSCP_MKDRIVE2('R', 'A', 81), "ra81", ra81_sizes, 51, 14, 1248 },
- { MSCP_MKDRIVE2('R', 'A', 82), "ra82", ra82_sizes, 57, 15, 1423 },
- { MSCP_MKDRIVE2('R', 'C', 25), "rc25-removable",
- rc25_sizes, 42, 4, 302 },
- { MSCP_MKDRIVE3('R', 'C', 'F', 25), "rc25-fixed",
- rc25_sizes, 42, 4, 302 },
- { MSCP_MKDRIVE2('R', 'D', 52), "rd52", rd52_sizes, 18, 7, 480 },
- { MSCP_MKDRIVE2('R', 'D', 53), "rd53", rd53_sizes, 18, 8, 963 },
- { MSCP_MKDRIVE2('R', 'D', 32), "rd54-from-rd32",
- rd54_sizes, 17, 15, 1220 },
- { MSCP_MKDRIVE2('R', 'D', 54), "rd54", rd54_sizes, 17, 15, 1220 },
- { MSCP_MKDRIVE2('R', 'X', 50), "rx50", rx50_sizes, 10, 1, 80 },
- 0
- };
-
- #define NTYPES (sizeof(udatypes) / sizeof(*udatypes))
-
- udamaptype(unit, lp)
- int unit;
- register struct disklabel *lp;
- {
- register struct udatypes *ut;
- register struct size *sz;
- register struct partition *pp;
- register char *p;
- register int i;
- register struct ra_info *ra = &ra_info[unit];
-
- i = MSCP_MEDIA_DRIVE(ra->ra_mediaid);
- for (ut = udatypes; ut->ut_id; ut++)
- if (ut->ut_id == i &&
- ut->ut_nsectors == ra->ra_geom.rg_nsectors &&
- ut->ut_ntracks == ra->ra_geom.rg_ntracks &&
- ut->ut_ncylinders == ra->ra_geom.rg_ncyl)
- goto found;
-
- /* not one we know; fake up a label for the whole drive */
- uda_makefakelabel(ra, lp);
- i = ra->ra_mediaid; /* print the port type too */
- addlog(": no partition table for %c%c %c%c%c%d, size %d;\n\
- using (s,t,c)=(%d,%d,%d)",
- MSCP_MID_CHAR(4, i), MSCP_MID_CHAR(3, i),
- MSCP_MID_CHAR(2, i), MSCP_MID_CHAR(1, i),
- MSCP_MID_CHAR(0, i), MSCP_MID_NUM(i), lp->d_secperunit,
- lp->d_nsectors, lp->d_ntracks, lp->d_ncylinders);
- if (!cold)
- addlog("\n");
- return (0);
- found:
- p = ut->ut_name;
- for (i = 0; i < sizeof(lp->d_typename) - 1 && *p; i++)
- lp->d_typename[i] = *p++;
- lp->d_typename[i] = 0;
- sz = ut->ut_sizes;
- lp->d_nsectors = ut->ut_nsectors;
- lp->d_ntracks = ut->ut_ntracks;
- lp->d_ncylinders = ut->ut_ncylinders;
- lp->d_npartitions = 8;
- lp->d_secpercyl = lp->d_nsectors * lp->d_ntracks;
- for (pp = lp->d_partitions; pp < &lp->d_partitions[8]; pp++, sz++) {
- pp->p_offset = sz->blkoff;
- if ((pp->p_size = sz->nblocks) == (u_long)-1)
- pp->p_size = ra->ra_dsize - sz->blkoff;
- }
- return (1);
- }
- #endif /* COMPAT_42 */
-
- /*
- * Construct a label for a drive from geometry information
- * if we have no better information.
- */
- uda_makefakelabel(ra, lp)
- register struct ra_info *ra;
- register struct disklabel *lp;
- {
- lp->d_nsectors = ra->ra_geom.rg_nsectors;
- lp->d_ntracks = ra->ra_geom.rg_ntracks;
- lp->d_ncylinders = ra->ra_geom.rg_ncyl;
- lp->d_secpercyl = lp->d_nsectors * lp->d_ntracks;
- bcopy("ra??", lp->d_typename, sizeof("ra??"));
- lp->d_npartitions = 1;
- lp->d_partitions[0].p_offset = 0;
- lp->d_partitions[0].p_size = lp->d_secperunit;
- }
- #endif /* NUDA > 0 */
-