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/* $NetBSD: st.c,v 1.22 1997/04/02 22:37:38 scottr Exp $ */
/*
* Copyright (c) 1996, 1997 Jason R. Thorpe. All rights reserved.
* Copyright (c) 1990 University of Utah.
* Copyright (c) 1990, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* the Systems Programming Group of the University of Utah Computer
* Science Department.
*
* 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.
*
* from: Utah $Hdr: st.c 1.11 92/01/21$
*
* @(#)st.c 8.3 (Berkeley) 1/12/94
*/
/*
* SCSI CCS (Command Command Set) tape driver.
*
* Specific to Exabyte:
* mt status: residual="Mbytes to LEOM"
* minor bit 4 [b1bbbb] (aka /dev/rst16) selects short filemarks
* minor bit 5 [1bbbbb] (aka /dev/rst32) selects fix block mode, 1k blocks.
*
* Archive drive:
* can read both QIC-24 and QIC-II. But only writes
* QIC-24.
*
* Supports Archive Viper QIC-150 tape drive, but scsi.c reports selection
* errors.
*
* Supports Archive Python DAT drive, but will sometimes hang machine.
*
* Supports HP 35450A DAT drive, but will sometimes hang machine.
* Partitioning of tape not supported.
* Vendor unique support has not been added.
*
*
* Supports Archive VIPER (QIC-150).
* Mostly Supports Archive PYTHON (DAT).
* Hangs if write after spin down.
* Need scsi.c that does connect/disconnect.
*/
/*
* support for the block device not implemented
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/buf.h>
#include <sys/file.h>
#include <sys/proc.h>
#include <sys/ioctl.h>
#include <sys/tty.h>
#include <sys/mtio.h>
#include <sys/kernel.h>
#include <sys/tprintf.h>
#include <sys/device.h>
#include <hp300/dev/scsireg.h>
#include <hp300/dev/scsivar.h>
#include <hp300/dev/stvar.h>
static struct scsi_fmt_cdb st_read_cmd = { 6, { CMD_READ } };
static struct scsi_fmt_cdb st_write_cmd = { 6, { CMD_WRITE } };
#define UNIT(x) (minor(x) & 3)
#define stpunit(x) ((x) & 7)
#define STDEV_NOREWIND 0x04
#define STDEV_HIDENSITY 0x08
#define STDEV_EXSFMK 0x10
#define STDEV_FIXEDBLK 0x20
#ifdef DEBUG
int st_debug = 0x0000;
#define ST_OPEN 0x0001
#define ST_GO 0x0002
#define ST_FMKS 0x0004
#define ST_OPENSTAT 0x0008
#define ST_BRESID 0x0010
#define ST_ODDIO 0x0020
#endif
/*
* Patchable variable. If an even length read is requested a dma transfer is
* used. Only after the read will we find out if the read had an odd number
* of bytes. The HP98658 hardware cannot do odd length transfers, the last
* byte of the data will always be 0x00. Normally, the driver will complain
* about such transfers and return EIO. However, if st_dmaoddretry is non-
* zero, the driver will try and issue a BSR and then re-read the data using
* 'programmed transfer mode'. In most cases this works, however for unknown
* reasons it will hang the machine in certain cases.
*
* Note:
* Odd length read requests are always done using programmed transfer mode.
*/
int st_dmaoddretry = 0;
/*
* Exabyte only:
* From adb can have access to fixed vs. variable length modes.
* Use 0x400 for 1k (best capacity) fixed length records.
* In st_open, if minor bit 4 set then 1k records are used.
* If st_exblken is set to anything other then 0 we are in fixed length mode.
* Minor bit 5 requests 1K fixed-length, overriding any setting of st_exblklen.
*/
int st_exblklen = 0;
/* exabyte here for adb access, set at open time */
#define EX_CT 0x80 /* international cart - more space W/P6 */
#define EX_ND 0x20 /* no disconnect */
#define EX_NBE 0x08 /* no busy enable */
#define EX_EBD 0x04 /* even byte disconnect */
#define EX_PE 0x02 /* parity enable */
#define EX_NAL 0x01 /* no auto load */
int st_exvup = (EX_CT|EX_ND|EX_NBE); /* vendor unique parameters */
/*
* motion and reconnect thresholds guidelines:
* write operation; lower motion threshold for faster transfer
* raise reconnect threshold for slower transfer
* read operation; lower motion threshold for slower transfer
* raise reconnect threshold for faster transfer
*/
int st_exmotthr = 0x80; /* motion threshold, 0x80 default */
int st_exreconthr = 0xa0; /* reconnect threshold, 0xa0 default */
int st_exgapthr = 7; /* gap threshold, 7 default */
#ifdef TTI
int st_extti = 0x01; /* bitmask of unit numbers, do extra */
/* sensing so TTi display gets updated */
#endif
/* bdev_decl(st); */
/* cdev_decl(st); */
/* XXX we should use macros to do these... */
int stopen __P((dev_t, int, int, struct proc *));
int stclose __P((dev_t, int, int, struct proc *));
int stioctl __P((dev_t, u_long, caddr_t, int, struct proc *));
int stread __P((dev_t, struct uio *, int));
int stwrite __P((dev_t, struct uio *, int));
void ststrategy __P((struct buf *));
int stdump __P((dev_t));
#ifdef DEBUG
void dumpxsense __P((struct st_xsense *));
void prtmodsel __P((struct mode_select_data *, int));
void prtmodstat __P((struct mode_sense *));
#endif /* DEBUG */
static void stfinish __P((struct st_softc *, struct buf *));
static void sterror __P((struct st_softc *, int));
static int stmatch __P((struct device *, struct cfdata *, void *));
static void stattach __P((struct device *, struct device *, void *));
struct cfattach st_ca = {
sizeof(struct st_softc), stmatch, stattach
};
struct cfdriver st_cd = {
NULL, "st", DV_TAPE
};
static int
stmatch(parent, match, aux)
struct device *parent;
struct cfdata *match;
void *aux;
{
struct oscsi_attach_args *osa = aux;
if ((osa->osa_inqbuf->type != 0x01 || /* sequential access device */
osa->osa_inqbuf->qual != 0x80 || /* removable media */
(osa->osa_inqbuf->version != 0x01 &&
osa->osa_inqbuf->version != 0x02)) &&
(osa->osa_inqbuf->type != 0x01 || /* M4 ??! */
/*
* the M4 is a little too smart (ass?) for its own good:
* qual codes:
* 0x80: you can take the tape out (unit not online)
* 0xf8: online and at 6250bpi
* 0xf9: online and at 1600bpi
*/
osa->osa_inqbuf->version != 0x09)) /* M4 tape */
return (0);
return (1);
}
static void
stattach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct st_softc *sc = (struct st_softc *)self;
struct oscsi_attach_args *osa = aux;
char vendor[9], product[17], revision[5];
int stat;
static int havest = 0;
printf("\n");
sc->sc_tab.b_actb = &sc->sc_tab.b_actf;
bzero(vendor, sizeof(vendor));
bzero(product, sizeof(product));
bzero(revision, sizeof(revision));
scsi_str(osa->osa_inqbuf->vendor_id, vendor,
sizeof(osa->osa_inqbuf->vendor_id));
scsi_str(osa->osa_inqbuf->product_id, product,
sizeof(osa->osa_inqbuf->product_id));
scsi_str(osa->osa_inqbuf->rev, revision,
sizeof(osa->osa_inqbuf->rev));
sc->sc_target = osa->osa_target;
sc->sc_lun = osa->osa_lun;
/* Initialize SCSI queue entry. */
sc->sc_sq.sq_softc = sc;
sc->sc_sq.sq_target = sc->sc_target;
sc->sc_sq.sq_lun = sc->sc_lun;
sc->sc_sq.sq_start = ststart;
sc->sc_sq.sq_go = stgo;
sc->sc_sq.sq_intr = stintr;
if (bcmp("EXB-8200", product, 8) == 0) {
sc->sc_tapeid = MT_ISEXABYTE;
sc->sc_datalen[CMD_REQUEST_SENSE] = 26;
sc->sc_datalen[CMD_INQUIRY] = 52;
sc->sc_datalen[CMD_MODE_SELECT] = 17;
sc->sc_datalen[CMD_MODE_SENSE] = 17;
} else if (bcmp("VIPER 150", product, 9) == 0 ||
bcmp("VIPER 60", product, 8) == 0) {
sc->sc_tapeid = MT_ISVIPER1;
sc->sc_datalen[CMD_REQUEST_SENSE] = 14;
sc->sc_datalen[CMD_INQUIRY] = 36;
sc->sc_datalen[CMD_MODE_SELECT] = 12;
sc->sc_datalen[CMD_MODE_SENSE] = 12;
} else if (bcmp("Python 25501", product, 12) == 0 ||
bcmp("Python 28849", product, 12) == 0) {
sc->sc_tapeid = MT_ISPYTHON;
sc->sc_datalen[CMD_REQUEST_SENSE] = 14;
sc->sc_datalen[CMD_INQUIRY] = 36;
sc->sc_datalen[CMD_MODE_SELECT] = 12;
sc->sc_datalen[CMD_MODE_SENSE] = 12;
} else if (bcmp("HP35450A", product, 8) == 0) {
/* XXX "extra" stat makes the HP drive happy at boot time */
stat = scsi_test_unit_rdy(sc->sc_dev.dv_parent->dv_unit,
sc->sc_target, sc->sc_lun);
sc->sc_tapeid = MT_ISHPDAT;
sc->sc_datalen[CMD_REQUEST_SENSE] = 14;
sc->sc_datalen[CMD_INQUIRY] = 36;
sc->sc_datalen[CMD_MODE_SELECT] = 12;
sc->sc_datalen[CMD_MODE_SENSE] = 12;
} else if (bcmp("123107 SCSI", product, 11) == 0 ||
bcmp("OPEN REEL TAPE", product, 14) == 0) {
sc->sc_tapeid = MT_ISMFOUR;
sc->sc_datalen[CMD_REQUEST_SENSE] = 8;
sc->sc_datalen[CMD_INQUIRY] = 5;
sc->sc_datalen[CMD_MODE_SELECT] = 12;
sc->sc_datalen[CMD_MODE_SENSE] = 12;
} else {
printf("%s: Unsupported tape device, faking it\n",
sc->sc_dev.dv_xname);
sc->sc_tapeid = MT_ISAR;
sc->sc_datalen[CMD_REQUEST_SENSE] = 8;
sc->sc_datalen[CMD_INQUIRY] = 5;
sc->sc_datalen[CMD_MODE_SELECT] = 12;
sc->sc_datalen[CMD_MODE_SENSE] = 12;
}
sc->sc_filepos = 0;
/* load xsense */
scsi_delay(-1);
stxsense(sc->sc_dev.dv_parent->dv_unit, sc->sc_target, sc->sc_lun, sc);
scsi_delay(0);
/* XXX if we have a tape, we must up the delays in the HA driver */
if (!havest) {
havest = 1;
scsi_delay(20000);
}
sc->sc_blkno = 0;
sc->sc_flags = STF_ALIVE;
}
int
stopen(dev, flag, type, p)
dev_t dev;
int flag, type;
struct proc *p;
{
struct st_softc *sc;
struct st_xsense *xsense;
int count;
int stat;
int ctlr, slave, unit;
struct mode_select_data msd;
struct mode_sense mode;
int modlen;
int error;
static struct scsi_fmt_cdb modsel = {
6,
{ CMD_MODE_SELECT, 0, 0, 0, sizeof(msd), 0 }
};
static struct scsi_fmt_cdb modsense = {
6,
{ CMD_MODE_SENSE, 0, 0, 0, sizeof(mode), 0 }
};
if (UNIT(dev) > st_cd.cd_ndevs ||
(sc = st_cd.cd_devs[UNIT(dev)]) == NULL ||
(sc->sc_flags & STF_ALIVE) == 0)
return (ENXIO);
if (sc->sc_flags & STF_OPEN)
return (EBUSY);
ctlr = sc->sc_dev.dv_parent->dv_unit;
slave = sc->sc_target;
unit = sc->sc_lun;
xsense = &sc->sc_sense;
/*
* Be prepared to print error messages
*/
sc->sc_ctty = tprintf_open(p);
/* do a mode sense to get current */
modlen = sc->sc_datalen[CMD_MODE_SENSE];
modsense.cdb[4] = modlen;
stat = scsi_immed_command(ctlr, slave, unit, &modsense,
(u_char *)&mode, modlen, B_READ);
/* do a mode sense to get current */
modlen = sc->sc_datalen[CMD_MODE_SENSE];
modsense.cdb[4] = modlen;
stat = scsi_immed_command(ctlr, slave, unit, &modsense,
(u_char *)&mode, modlen, B_READ);
/* set record length */
switch (sc->sc_tapeid) {
case MT_ISAR:
sc->sc_blklen = 512;
break;
case MT_ISEXABYTE:
if (minor(dev) & STDEV_FIXEDBLK)
sc->sc_blklen = 0x400;
else
sc->sc_blklen = st_exblklen;
break;
case MT_ISHPDAT:
sc->sc_blklen = 512;
break;
case MT_ISVIPER1:
sc->sc_blklen = 512;
break;
case MT_ISPYTHON:
sc->sc_blklen = 512;
break;
case MT_ISMFOUR:
sc->sc_blklen = 0;
break;
default:
if ((mode.md.blklen2 << 16 |
mode.md.blklen1 << 8 |
mode.md.blklen0) != 0)
sc->sc_blklen = mode.md.blklen2 << 16 |
mode.md.blklen1 << 8 |
mode.md.blklen0;
else
sc->sc_blklen = 512;
}
/* setup for mode select */
msd.rsvd1 = 0;
msd.rsvd2 = 0;
msd.rsvd3 = 0;
msd.buff = 1;
msd.speed = 0;
msd.blkdeslen = 0x08;
msd.density = 0;
msd.blks2 = 0;
msd.blks1 = 0;
msd.blks0 = 0;
msd.rsvd4 = 0;
msd.blklen2 = (sc->sc_blklen >> 16) & 0xff;
msd.blklen1 = (sc->sc_blklen >> 8) & 0xff;
msd.blklen0 = sc->sc_blklen & 0xff;
/*
* Do we have any density problems?
*/
switch (sc->sc_tapeid) {
case MT_ISAR:
if (minor(dev) & STDEV_HIDENSITY)
msd.density = 0x5;
else {
if (flag & FWRITE) {
uprintf("Can only write QIC-24\n");
return(EIO);
}
msd.density = 0x4;
}
break;
case MT_ISEXABYTE:
if (minor(dev) & STDEV_HIDENSITY)
uprintf("EXB-8200 density support only\n");
msd.vupb = (u_char)st_exvup;
msd.rsvd5 = 0;
msd.p5 = 0;
msd.motionthres = (u_char)st_exmotthr;
msd.reconthres = (u_char)st_exreconthr;
msd.gapthres = (u_char)st_exgapthr;
break;
case MT_ISHPDAT:
case MT_ISVIPER1:
case MT_ISPYTHON:
if (minor(dev) & STDEV_HIDENSITY)
uprintf("Only one density supported\n");
break;
case MT_ISMFOUR:
break; /* XXX could do density select? */
default:
uprintf("Unsupported drive\n");
return(EIO);
}
modlen = sc->sc_datalen[CMD_MODE_SELECT];
modsel.cdb[4] = modlen;
/* mode select */
count = 0;
retryselect:
stat = scsi_immed_command(ctlr, slave, unit, &modsel,
(u_char *)&msd, modlen, B_WRITE);
/*
* First command after power cycle, bus reset or tape change
* will error. Try command again
*/
if (stat == STS_CHECKCOND) {
sc->sc_filepos = 0;
stxsense(ctlr, slave, unit, sc);
stat = scsi_immed_command(ctlr, slave, unit, &modsel,
(u_char *)&msd, modlen, B_WRITE);
#ifdef DEBUG
if (stat && (st_debug & ST_OPEN))
printf("stopen: stat on mode select 0x%x second try\n", stat);
#endif
if (stat == STS_CHECKCOND) {
stxsense(ctlr, slave, unit, sc);
prtkey(sc);
}
if (stat)
return(EIO);
}
if (stat == -1 || stat == STS_BUSY) {
/*
* XXX it might just be that the bus is busy because
* another tape is doing a command. This would change
* with connect/disconnect, ie. the other drive would
* not hold onto the bus.
*
* Sleep on lbolt for up to 20 minutes (max time to FSF
* an exabyte to EOT: 16:xx minutes)
*/
if (++count > 60*20) {
uprintf("SCSI bus timeout\n");
return(EBUSY);
}
if ((error = tsleep((caddr_t)&lbolt, PZERO | PCATCH,
"st_scsiwait", 0)))
return (error);
goto retryselect;
}
/* drive ready ? */
stat = scsi_test_unit_rdy(ctlr, slave, unit);
if (stat == STS_CHECKCOND) {
stxsense(ctlr, slave, unit, sc);
switch (sc->sc_tapeid) {
case MT_ISEXABYTE:
if ((xsense->sc_xsense.key & XSK_NOTRDY) &&
xsense->exb_xsense.tnp)
uprintf("no cartridge\n");
else if (xsense->sc_xsense.key & XSK_NOTRDY)
uprintf("cartridge not loaded\n");
else if (xsense->sc_xsense.key & XSK_UNTATTEN) {
uprintf("new cart/power interrupt\n");
stat = 0;
} else if ((xsense->sc_xsense.key & XSK_UNTATTEN) &&
xsense->exb_xsense.tnp)
uprintf("cartridge unloading\n");
else
prtkey(sc);
break;
case MT_ISMFOUR:
case MT_ISAR:
if (xsense->sc_xsense.key & XSK_UNTATTEN)
stat = scsi_test_unit_rdy(ctlr, slave, unit);
if (stat == STS_CHECKCOND) {
stxsense(ctlr, slave, unit, sc);
if (xsense->sc_xsense.key)
prtkey(sc);
} else {
sc->sc_filepos = 0; /* new tape */
stat = 0;
}
break;
case MT_ISHPDAT:
case MT_ISVIPER1:
case MT_ISPYTHON:
if (xsense->sc_xsense.key & XSK_UNTATTEN)
stat = scsi_test_unit_rdy(ctlr, slave, unit);
if (stat == STS_CHECKCOND) {
stxsense(ctlr, slave, unit, sc);
if (xsense->sc_xsense.key)
prtkey(sc);
}
break;
default:
uprintf("%s: not ready\n", sc->sc_dev.dv_xname);
prtkey(sc);
break;
}
}
if (stat)
return(EIO);
/* mode sense */
modlen = sc->sc_datalen[CMD_MODE_SENSE];
modsense.cdb[4] = modlen;
stat = scsi_immed_command(ctlr, slave, unit, &modsense,
(u_char *)&mode, modlen, B_READ);
#ifdef DEBUG
if (st_debug & ST_OPENSTAT)
prtmodstat(&mode);
#endif
if (stat == STS_CHECKCOND) {
stxsense(ctlr, slave, unit, sc);
#ifdef DEBUG
if (st_debug & ST_OPEN)
dumpxsense(xsense);
#endif
}
if (stat)
return(EIO);
if ((flag & FWRITE) && mode.md.wp) {
uprintf("st:%d write protected\n", UNIT(dev));
return(EACCES);
}
/* save total number of blocks on tape */
sc->sc_numblks = mode.md.numblk2 << 16 |
mode.md.numblk1 << 8 |
mode.md.numblk0;
if (xsense->sc_xsense.eom && !(sc->sc_flags & STF_LEOT))
sc->sc_filepos = 0;
#ifdef DEBUG
if (st_debug & ST_FMKS)
printf("%s: open filepos = %d\n", sc->sc_dev.dv_xname,
sc->sc_filepos);
#endif
sc->sc_flags |= (STF_OPEN);
if (flag & FWRITE)
sc->sc_flags |= STF_WMODE;
sc->sc_flags &= ~STF_MOVED;
#ifdef TTI
/* make stats available, also lit up TTi display */
sc->sc_tticntdwn = 100;
#endif
stxsense(ctlr, slave, unit, sc);
return(0);
}
/*ARGSUSED*/
int
stclose(dev, flag, mode, p)
dev_t dev;
int flag, mode;
struct proc *p;
{
struct st_softc *sc = st_cd.cd_devs[UNIT(dev)];
int hit = 0;
if ((sc->sc_flags & (STF_WMODE|STF_WRTTN)) == (STF_WMODE|STF_WRTTN)) {
/*
* Cartridge tapes don't do double EOFs on EOT.
* We assume that variable-block devices use double EOF.
*/
stcommand(dev, MTWEOF, 1);
if (sc->sc_blklen == 0) {
stcommand(dev, MTWEOF, 1);
stcommand(dev, MTBSR, 1);
}
hit++;
}
if ((minor(dev) & STDEV_NOREWIND) == 0) {
stcommand(dev, MTREW, 1);
hit++;
}
#ifdef NOTDEF
/* wait until more stable before trying [XXX Needed ?] */
if (!hit && (sc->sc_flags & SFT_WMODE))
/* force out any any bufferd write data */
stcommand(dev, MTFSR, 0);
#endif
/* make stats available */
stxsense(sc->sc_dev.dv_parent->dv_unit, sc->sc_target, sc->sc_lun, sc);
sc->sc_flags &= ~(STF_OPEN|STF_WMODE|STF_WRTTN);
tprintf_close(sc->sc_ctty);
return(0); /* XXX */
}
void
ststrategy(bp)
struct buf *bp;
{
struct st_softc *sc;
struct buf *dp;
int unit, s;
unit = UNIT(bp->b_dev);
sc = st_cd.cd_devs[unit];
dp = &sc->sc_tab;
bp->b_actf = NULL;
s = splbio();
bp->b_actb = dp->b_actb;
*dp->b_actb = bp;
dp->b_actb = &bp->b_actf;
if (dp->b_active == 0) {
dp->b_active = 1;
stustart(unit);
}
splx(s);
}
void
stustart(unit)
int unit;
{
struct st_softc *sc = st_cd.cd_devs[unit];
if (scsireq(sc->sc_dev.dv_parent, &sc->sc_sq))
ststart(sc);
}
void
ststart(arg)
void *arg;
{
struct st_softc *sc = arg;
if (scsiustart(sc->sc_dev.dv_parent->dv_unit))
stgo(arg);
}
void
stgo(arg)
void *arg;
{
struct st_softc *sc = arg;
struct scsi_fmt_cdb *cmd;
struct buf *bp = sc->sc_tab.b_actf;
int pad, stat;
long nblks;
if (sc->sc_flags & STF_CMD) {
cmd = &sc->sc_cmdstore;
pad = 0;
} else {
cmd = bp->b_flags & B_READ ? &st_read_cmd : &st_write_cmd;
if (sc->sc_blklen)
cmd->cdb[1] |= 0x01; /* fixed mode */
else
cmd->cdb[1] &= 0xfe;
if (bp->b_flags & B_READ)
sc->sc_flags &= ~STF_WRTTN;
else
sc->sc_flags |= STF_WRTTN;
if (sc->sc_blklen) { /* fixed mode */
nblks = bp->b_bcount / sc->sc_blklen;
if (bp->b_bcount % sc->sc_blklen) {
tprintf(sc->sc_ctty,
"%s: I/O not block aligned %d/%ld\n",
sc->sc_dev.dv_xname, sc->sc_blklen,
bp->b_bcount);
cmd->cdb[1] &= 0xfe; /* force error */
}
} else /* variable len */
nblks = bp->b_bcount;
*(u_char *)(&cmd->cdb[2]) = (u_char) (nblks >> 16);
*(u_char *)(&cmd->cdb[3]) = (u_char) (nblks >> 8);
*(u_char *)(&cmd->cdb[4]) = (u_char) nblks;
/*
* Always Zero. We are either writing in variable
* length mode we are writing in fixed block mode,
* or we are going to do odd length IO and are not
* going to use DMA.
*/
pad = 0;
}
#ifdef DEBUG
if (st_debug & ST_GO)
printf("stgo: cmd len %d [0]0x%x [1]0x%x [2]0x%x [3]0x%x [4]0x%x [5]0x%x\n",
cmd->len, cmd->cdb[0], cmd->cdb[1], cmd->cdb[2],
cmd->cdb[3], cmd->cdb[4], cmd->cdb[5]);
#endif
sc->sc_flags |= STF_MOVED;
if (bp->b_bcount & 1) {
#ifdef DEBUG
if (st_debug & ST_ODDIO)
printf("%s: stgo: odd count %ld using manual transfer\n",
sc->sc_dev.dv_xname, bp->b_bcount);
#endif
stat = scsi_tt_oddio(sc->sc_dev.dv_parent->dv_unit,
sc->sc_target, sc->sc_lun, bp->b_un.b_addr, bp->b_bcount,
bp->b_flags, 1);
if (stat == 0) {
bp->b_resid = 0;
stfinish(sc, bp);
}
} else
stat = scsigo(sc->sc_dev.dv_parent->dv_unit,
sc->sc_target, sc->sc_lun, bp, cmd, pad);
if (stat) {
bp->b_error = EIO;
bp->b_flags |= B_ERROR;
stxsense(sc->sc_dev.dv_parent->dv_unit, sc->sc_target,
sc->sc_lun, sc);
sterror(sc, stat);
stfinish(sc, bp);
}
}
static void
stfinish(sc, bp)
struct st_softc *sc;
struct buf *bp;
{
struct buf *dp;
sc->sc_tab.b_errcnt = 0;
if ((dp = bp->b_actf))
dp->b_actb = bp->b_actb;
else
sc->sc_tab.b_actb = bp->b_actb;
*bp->b_actb = dp;
iodone(bp);
scsifree(sc->sc_dev.dv_parent, &sc->sc_sq);
if (sc->sc_tab.b_actf)
stustart(sc->sc_dev.dv_unit);
else
sc->sc_tab.b_active = 0;
}
int
stread(dev, uio, flags)
dev_t dev;
struct uio *uio;
int flags;
{
return (physio(ststrategy, NULL, dev, B_READ, minphys, uio));
}
int
stwrite(dev, uio, flags)
dev_t dev;
struct uio *uio;
int flags;
{
/* XXX: check for hardware write-protect? */
return (physio(ststrategy, NULL, dev, B_WRITE, minphys, uio));
}
/*ARGSUSED*/
int
stdump(dev)
dev_t dev;
{
return(ENXIO);
}
/*ARGSUSED*/
int
stioctl(dev, cmd, data, flag, p)
dev_t dev;
u_long cmd;
caddr_t data;
int flag;
struct proc *p;
{
struct st_softc *sc = st_cd.cd_devs[UNIT(dev)];
int cnt;
struct mtget *mtget;
struct st_xsense *xp = &sc->sc_sense;
struct mtop *op;
long resid = 0; /* XXX compiler complains needlessly :-( */
switch (cmd) {
/* tape operation */
case MTIOCTOP:
op = (struct mtop *)data;
switch (op->mt_op) {
case MTBSR:
case MTFSR:
if (sc->sc_tapeid == MT_ISAR)
return(ENXIO);
case MTWEOF:
case MTFSF:
case MTBSF:
cnt = (int)op->mt_count;
break;
case MTREW:
case MTOFFL:
cnt = 1;
break;
case MTNOP:
return(0);
default:
return(EINVAL);
}
if (cnt <= 0)
return(EINVAL);
stcommand(dev, (u_int)op->mt_op, cnt);
break;
/* drive status */
case MTIOCGET:
mtget = (struct mtget *)data;
stxsense(sc->sc_dev.dv_parent->dv_unit, sc->sc_target,
sc->sc_lun, sc);
mtget->mt_type = sc->sc_tapeid;
mtget->mt_dsreg = 0;
mtget->mt_erreg = ((xp->sc_xsense.valid << 15) |
(xp->sc_xsense.filemark << 14) |
(xp->sc_xsense.eom << 13) |
(xp->sc_xsense.ili << 12) |
(xp->sc_xsense.key << 8));
if (sc->sc_tapeid == MT_ISEXABYTE) {
mtget->mt_dsreg = sc->sc_flags;
resid = (xp->exb_xsense.tplft2 << 16 |
xp->exb_xsense.tplft1 << 8 |
xp->exb_xsense.tplft0);
mtget->mt_resid = resid / 1000;
mtget->mt_erreg |= (((xp->exb_xsense.rwerrcnt2 << 16 |
xp->exb_xsense.rwerrcnt1 << 8 |
xp->exb_xsense.rwerrcnt0) * 100) /
(sc->sc_numblks - resid)) & 0xff;
} else if (xp->sc_xsense.valid) {
resid = ((xp->sc_xsense.info1 << 24) |
(xp->sc_xsense.info2 << 16) |
(xp->sc_xsense.info3 << 8) |
(xp->sc_xsense.info4));
if (sc->sc_blklen) /* if fixed mode */
resid *= sc->sc_blklen;
mtget->mt_resid = resid;
} else
mtget->mt_resid = 0;
break;
default:
return(ENXIO);
}
return(0);
}
void
stintr(arg, stat)
void *arg;
int stat;
{
struct st_softc *sc = arg;
struct st_xsense *xp = &sc->sc_sense;
struct buf *bp = sc->sc_tab.b_actf;
#ifdef DEBUG
if (bp == NULL) {
printf("%s: bp == NULL\n", sc->sc_dev.dv_xname);
return;
}
#endif
switch (stat) {
/* scsi command completed ok */
case 0:
bp->b_resid = 0;
break;
/* more status */
case STS_CHECKCOND:
stxsense(sc->sc_dev.dv_parent->dv_unit, sc->sc_target,
sc->sc_lun, sc);
if (xp->sc_xsense.valid) {
bp->b_resid = (u_long)((xp->sc_xsense.info1 << 24) |
(xp->sc_xsense.info2 << 16) |
(xp->sc_xsense.info3 << 8) |
(xp->sc_xsense.info4));
if (sc->sc_blklen) /* fixed mode */
bp->b_resid *= sc->sc_blklen;
}
if (xp->sc_xsense.filemark) {
sc->sc_filepos++;
break;
}
if (xp->sc_xsense.key != XSK_NOSENCE
&& xp->sc_xsense.key != XSK_NOTUSED1
&& xp->sc_xsense.key != XSK_NOTUSEDC
&& xp->sc_xsense.key != XSK_NOTUSEDE) {
sterror(sc, stat);
bp->b_flags |= B_ERROR;
bp->b_error = EIO;
break;
}
if (xp->sc_xsense.ili) {
/*
* Fixed length blocks, an error.
*/
if (sc->sc_blklen) {
tprintf(sc->sc_ctty,
"%s: Incorrect Length Indicator, blkcnt diff %ld\n",
sc->sc_dev.dv_xname,
sc->sc_blklen - bp->b_resid);
bp->b_flags |= B_ERROR;
bp->b_error = EIO;
break;
}
/*
* Variable length but read more than requested,
* an error. (XXX ??? wrong for 9 track?)
*/
if (bp->b_resid < 0) {
bp->b_resid = 0;
bp->b_flags |= B_ERROR;
bp->b_error = ENOMEM;
break;
}
/*
* Variable length and odd, may require special
* handling.
*/
if (bp->b_resid & 1 && (sc->sc_tapeid != MT_ISAR)) {
/*
* Normal behavior, treat as an error.
*/
if (!st_dmaoddretry) {
tprintf(sc->sc_ctty,
"%s: Odd length read %ld\n",
sc->sc_dev.dv_xname,
bp->b_bcount - bp->b_resid);
bp->b_error = EIO;
bp->b_flags |= B_ERROR;
break;
}
/*
* Attempt to back up and re-read using oddio.
*/
#ifdef DEBUG
if (st_debug & ST_ODDIO)
printf("%s: stintr odd count %ld, do BSR then oddio\n",
sc->sc_dev.dv_xname,
bp->b_bcount - bp->b_resid);
#endif
stat =
scsi_tt_oddio(sc->sc_dev.dv_parent->dv_unit,
sc->sc_target, sc->sc_lun, 0, -1, 0, 0);
if (stat == 0)
stat = scsi_tt_oddio(
sc->sc_dev.dv_parent->dv_unit,
sc->sc_target, sc->sc_lun,
bp->b_un.b_addr,
bp->b_bcount - bp->b_resid,
bp->b_flags, 0);
if (stat) {
bp->b_error = EIO;
bp->b_flags |= B_ERROR;
stxsense(sc->sc_dev.dv_parent->dv_unit,
sc->sc_target, sc->sc_lun, sc);
sterror(sc, stat);
}
}
break;
}
if (xp->sc_xsense.eom) {
bp->b_flags |= B_ERROR;
bp->b_error = ENOSPC;
break;
}
tprintf(sc->sc_ctty, "%s: unknown scsi error\n",
sc->sc_dev.dv_xname);
bp->b_flags |= B_ERROR;
bp->b_error = EIO;
break;
default:
printf("%s: stintr unknown stat 0x%x\n", sc->sc_dev.dv_xname,
stat);
break;
}
#ifdef DEBUG
if ((st_debug & ST_BRESID) && bp->b_resid != 0)
printf("b_resid %ld b_flags 0x%lx b_error 0x%x\n",
bp->b_resid, bp->b_flags, bp->b_error);
#endif
/* asked for more filemarks then on tape */
if (bp->b_resid != 0 &&
(sc->sc_flags & STF_CMD) && sc->sc_cmd == CMD_SPACE) {
sc->sc_filepos -= bp->b_resid;
if (sc->sc_filepos < 0)
sc->sc_filepos = 0;
}
#ifdef TTI
if (st_extti & (1 << sc->sc_dev.dv_unit) &&
sc->sc_type == MT_ISEXABYTE) /* to make display lit up */
/*
* XXX severe performance penality for this.
* Try and throttle by not calling stxsense on every intr.
* Mostly for TTi we, get a stxsense call in open and close.
*/
if (sc->sc_tticntdwn-- == 0) {
stxsense(sc->sc_dev.dv_parent->dv_unit,
sc->sc_target, sc->sc_lun, sc);
sc->sc_tticntdwn = 100;
}
#endif
stfinish(sc, bp);
}
void
stcommand(dev, command, cnt)
dev_t dev;
u_int command;
int cnt;
{
struct st_softc *sc = st_cd.cd_devs[UNIT(dev)];
struct buf *bp = &sc->sc_bufstore;
struct scsi_fmt_cdb *cmd = &sc->sc_cmdstore;
int cmdcnt, s;
cmd->len = 6; /* all tape commands are cdb6 */
cmd->cdb[1] = sc->sc_lun;
cmd->cdb[2] = cmd->cdb[3] = cmd->cdb[4] = cmd->cdb[5] = 0;
cmdcnt = 0;
/*
* XXX Assumption is that everything except Archive can take
* repeat count in cdb block.
*/
switch (command) {
case MTWEOF:
cmd->cdb[0] = CMD_WRITE_FILEMARK;
if (sc->sc_tapeid != MT_ISAR) {
cmdcnt = cnt;
cnt = 1;
} else
cmdcnt = 1;
*(u_char *)(&cmd->cdb[2]) = (u_char) (cmdcnt >> 16);
*(u_char *)(&cmd->cdb[3]) = (u_char) (cmdcnt >> 8);
*(u_char *)(&cmd->cdb[4]) = (u_char) cmdcnt;
if (sc->sc_tapeid == MT_ISEXABYTE &&
(minor(dev) & STDEV_EXSFMK)) /* short filemarks */
cmd->cdb[5] |= 0x80;
else
cmd->cdb[5] &= 0x7f;
break;
case MTBSF:
/* Archive can't back up, will not get to BSR case */
if (sc->sc_tapeid == MT_ISAR) {
if ((sc->sc_filepos - cnt) < 0) {
stcommand(dev, MTREW, 1);
return;
}
cmdcnt = sc->sc_filepos - cnt + 1;
stcommand(dev, MTREW, 1);
stcommand(dev, MTFSF, cmdcnt);
return;
}
case MTBSR:
case MTFSR:
case MTFSF:
if (command == MTBSF || command == MTBSR)
cnt = cnt * (-1); /* backward move */
if (command == MTFSF || command == MTBSF)
cmd->cdb[1] |= 0x01; /* filemarks */
else
cmd->cdb[1] |= 0x00; /* logical blocks */
if (sc->sc_tapeid != MT_ISAR) {
cmdcnt = cnt;
cnt = 1;
} else
cmdcnt = 1;
*(u_char *)(&cmd->cdb[2]) = (u_char) (cmdcnt >> 16);
*(u_char *)(&cmd->cdb[3]) = (u_char) (cmdcnt >> 8);
*(u_char *)(&cmd->cdb[4]) = (u_char) cmdcnt;
cmd->cdb[0] = CMD_SPACE;
break;
case MTREW:
cmd->cdb[0] = CMD_REWIND;
sc->sc_filepos = 0;
break;
case MTOFFL:
cmd->cdb[0] = CMD_LOADUNLOAD;
sc->sc_filepos = 0;
break;
default:
printf("%s: stcommand bad command 0x%x\n",
sc->sc_dev.dv_xname, command);
}
sc->sc_flags |= STF_CMD;
sc->sc_cmd = cmd->cdb[0];
sc->sc_bp = bp;
again:
#ifdef DEBUG
if (st_debug & ST_FMKS)
printf("%s: stcommand filepos %d cmdcnt %d cnt %d\n",
sc->sc_dev.dv_xname, sc->sc_filepos, cmdcnt, cnt);
#endif
s = splbio();
while (bp->b_flags & B_BUSY) {
if (bp->b_flags & B_DONE)
break;
bp->b_flags |= B_WANTED;
sleep((caddr_t)bp, PRIBIO);
}
bp->b_flags = B_BUSY|B_READ;
splx(s);
bp->b_dev = dev;
bp->b_bcount = 0;
bp->b_resid = 0;
bp->b_blkno = 0;
bp->b_error = 0;
ststrategy(bp);
iowait(bp);
if (bp->b_flags & B_WANTED)
wakeup((caddr_t)bp);
bp->b_flags &= B_ERROR;
if (command == MTWEOF || command == MTFSF || command == MTBSF)
sc->sc_filepos += cmdcnt;
if (--cnt > 0)
goto again;
sc->sc_flags |= STF_MOVED;
sc->sc_flags &= ~(STF_CMD|STF_WRTTN);
}
static void
sterror(sc, stat)
struct st_softc *sc;
int stat;
{
/* stxsense must have been called before sterror() */
if (stat & STS_CHECKCOND)
prtkey(sc);
else if (stat)
tprintf(sc->sc_ctty,
"%s: bad scsi status 0x%x\n", sc->sc_dev.dv_xname,
stat);
if ((sc->sc_flags & STF_CMD) && sc->sc_cmd == CMD_SPACE) /* fsf */
sc->sc_filepos--;
}
void
stxsense(ctlr, slave, unit, sc)
int ctlr, slave, unit;
struct st_softc *sc;
{
unsigned len;
len = sc->sc_datalen[CMD_REQUEST_SENSE];
scsi_request_sense(ctlr, slave, unit, (u_char *)&sc->sc_sense, len);
}
void
prtkey(sc)
struct st_softc *sc;
{
struct st_xsense *xp = &sc->sc_sense;
switch (xp->sc_xsense.key) {
case XSK_NOSENCE:
break;
case XSK_NOTUSED1:
case XSK_NOTUSEDC:
case XSK_NOTUSEDE:
break;
case XSK_REVERVED:
tprintf(sc->sc_ctty, "%s: Reserved sense key 0x%x\n",
sc->sc_dev.dv_xname, xp->sc_xsense.key);
break;
case XSK_NOTRDY:
tprintf(sc->sc_ctty, "%s: NOT READY\n", sc->sc_dev.dv_xname);
break;
case XSK_MEDERR:
tprintf(sc->sc_ctty, "%s: MEDIUM ERROR\n", sc->sc_dev.dv_xname);
break;
case XSK_HRDWERR:
tprintf(sc->sc_ctty, "%s: HARDWARE ERROR\n",
sc->sc_dev.dv_xname);
break;
case XSK_ILLREQ:
tprintf(sc->sc_ctty, "%s: ILLEGAL REQUEST\n",
sc->sc_dev.dv_xname);
break;
case XSK_UNTATTEN:
tprintf(sc->sc_ctty, "%s: UNIT ATTENTION\n",
sc->sc_dev.dv_xname);
break;
case XSK_DATAPROT:
tprintf(sc->sc_ctty, "%s: DATA PROTECT\n", sc->sc_dev.dv_xname);
break;
case XSK_BLNKCHK:
tprintf(sc->sc_ctty, "%s: BLANK CHECK\n", sc->sc_dev.dv_xname);
break;
case XSK_VENDOR:
tprintf(sc->sc_ctty, "%s: VENDER UNIQUE SENSE KEY ",
sc->sc_dev.dv_xname);
switch (sc->sc_tapeid) {
case MT_ISEXABYTE:
tprintf(sc->sc_ctty, "Exabyte: ");
if (xp->exb_xsense.xfr)
tprintf(sc->sc_ctty,
"Transfer Abort Error\n");
if (xp->exb_xsense.tmd)
tprintf(sc->sc_ctty,
"Tape Mark Detect Error\n");
break;
default:
tprintf(sc->sc_ctty, "\n");
}
break;
case XSK_CPYABORT:
tprintf(sc->sc_ctty, "%s: COPY ABORTED\n", sc->sc_dev.dv_xname);
break;
case XSK_ABORTCMD:
tprintf(sc->sc_ctty, "%s: ABORTED COMMAND\n",
sc->sc_dev.dv_xname);
break;
case XSK_VOLOVER:
tprintf(sc->sc_ctty, "%s: VOLUME OVERFLOW\n",
sc->sc_dev.dv_xname);
break;
default:
tprintf(sc->sc_ctty, "%s: unknown sense key 0x%x\n",
sc->sc_dev.dv_xname, xp->sc_xsense.key);
}
if (sc->sc_tapeid == MT_ISEXABYTE) {
if (xp->exb_xsense.bpe)
tprintf(sc->sc_ctty, "%s: Bus Parity Error",
sc->sc_dev.dv_xname);
if (xp->exb_xsense.fpe)
tprintf(sc->sc_ctty,
"%s: Formatted Buffer Parity Error",
sc->sc_dev.dv_xname);
if (xp->exb_xsense.eco)
tprintf(sc->sc_ctty, "%s: Error Counter Overflow",
sc->sc_dev.dv_xname);
if (xp->exb_xsense.tme)
tprintf(sc->sc_ctty, "%s: Tape Motion Error",
sc->sc_dev.dv_xname);
if (xp->exb_xsense.xfr)
tprintf(sc->sc_ctty, "%s: Transfer About Error",
sc->sc_dev.dv_xname);
if (xp->exb_xsense.tmd)
tprintf(sc->sc_ctty, "%s: Tape Mark Detect Error",
sc->sc_dev.dv_xname);
if (xp->exb_xsense.fmke)
tprintf(sc->sc_ctty, "%s: Filemark Error",
sc->sc_dev.dv_xname);
if (xp->exb_xsense.ure)
tprintf(sc->sc_ctty, "%s: Under Run Error",
sc->sc_dev.dv_xname);
if (xp->exb_xsense.sse)
tprintf(sc->sc_ctty, "%s: Servo System Error",
sc->sc_dev.dv_xname);
if (xp->exb_xsense.fe)
tprintf(sc->sc_ctty, "%s: Formatter Error",
sc->sc_dev.dv_xname);
if (xp->exb_xsense.wseb)
tprintf(sc->sc_ctty, "%s: WSEB Error",
sc->sc_dev.dv_xname);
if (xp->exb_xsense.wseo)
tprintf(sc->sc_ctty, "%s: WSEO Error",
sc->sc_dev.dv_xname);
}
}
#ifdef DEBUG
void
dumpxsense(sensebuf)
struct st_xsense *sensebuf;
{
struct st_xsense *xp = sensebuf;
printf("valid 0x%x errorclass 0x%x errorcode 0x%x\n",
xp->sc_xsense.valid,
xp->sc_xsense.class, xp->sc_xsense.code);
printf("seg number 0x%x\n", xp->sc_xsense.segment);
printf("FMK 0x%x EOM 0x%x ILI 0x%x RSVD 0x%x sensekey 0x%x\n",
xp->sc_xsense.filemark, xp->sc_xsense.eom, xp->sc_xsense.ili,
xp->sc_xsense.rsvd, xp->sc_xsense.key);
printf("info 0x%lx\n",
(u_long)((xp->sc_xsense.info1<<24)|(xp->sc_xsense.info2<<16)|
(xp->sc_xsense.info3<<8)|(xp->sc_xsense.info4)) );
printf("ASenseL 0x%x\n", xp->sc_xsense.len);
if (xp->sc_xsense.len != 0x12) /* MT_ISEXB Exabyte only ?? */
return; /* What about others */
printf("ASenseC 0x%x\n", xp->exb_xsense.addsens);
printf("AsenseQ 0x%x\n", xp->exb_xsense.addsensq);
printf("R/W Errors 0x%lx\n",
(u_long)((xp->exb_xsense.rwerrcnt2<<16)|
(xp->exb_xsense.rwerrcnt1<<8)|
(xp->exb_xsense.rwerrcnt1)) );
printf("PF 0x%x BPE 0x%x FPE 0x%x ME 0x%x ECO 0x%x TME 0x%x TNP 0x%x BOT 0x%x\n",
xp->exb_xsense.pf, xp->exb_xsense.bpe, xp->exb_xsense.fpe,
xp->exb_xsense.me, xp->exb_xsense.eco, xp->exb_xsense.tme,
xp->exb_xsense.tnp, xp->exb_xsense.bot);
printf("XFR 0x%x TMD 0x%x WP 0x%x FMKE 0x%x URE 0x%x WE1 0x%x SSE 0x%x FE 0x%x\n",
xp->exb_xsense.xfr, xp->exb_xsense.tmd, xp->exb_xsense.wp,
xp->exb_xsense.fmke, xp->exb_xsense.ure, xp->exb_xsense.we1,
xp->exb_xsense.sse, xp->exb_xsense.fe);
printf("WSEB 0x%x WSEO 0x%x\n",
xp->exb_xsense.wseb, xp->exb_xsense.wseo);
printf("Remaining Tape 0x%lx\n",
(u_long)((xp->exb_xsense.tplft2<<16)|
(xp->exb_xsense.tplft1<<8)|
(xp->exb_xsense.tplft0)) );
}
void
prtmodsel(msd, modlen)
struct mode_select_data *msd;
int modlen;
{
printf("Modsel command. len is 0x%x.\n", modlen);
printf("rsvd1 0x%x rsvd2 0x%x rsvd3 0x%x bufferd 0x%x speed 0x%x bckdeslen 0x%x\n",
msd->rsvd1,msd->rsvd2,msd->rsvd3,msd->buff,msd->speed,msd->blkdeslen);
printf("density 0x%x blks2 0x%x blks1 0x%x blks0 0x%x rsvd 0x%x blklen2 0x%x blklen1 0x%x blklen0 0x%x\n",
msd->density,msd->blks2,msd->blks1,msd->blks0,msd->rsvd4,msd->blklen2,msd->blklen1,msd->blklen0);
printf("vupb 0x%x rsvd 0x%x p5 0x%x motionthres 0x%x reconthres 0x%x gapthres 0x%x \n",
msd->vupb,msd->rsvd5,msd->p5,msd->motionthres,msd->reconthres,msd->gapthres);
}
void
prtmodstat(mode)
struct mode_sense *mode;
{
printf("Mode Status\n");
printf("sdl 0x%x medtype 0x%x wp 0x%x bfmd 0x%x speed 0x%x bdl 0x%x\n",
mode->md.sdl, mode->md.medtype, mode->md.wp, mode->md.bfmd,
mode->md.speed, mode->md.bdl);
printf("dencod 0x%x numblk 0x%x blklen 0x%x\n",
mode->md.dencod,
(mode->md.numblk2<<16)|(mode->md.numblk1<<8)|(mode->md.numblk0),
(mode->md.blklen2<<16)|(mode->md.blklen1<<8)|(mode->md.blklen0) );
printf("ct 0x%x nd 0x%x nbe 0x%x edb 0x%x pe 0x%x nal 0x%x p5 0x%x\n",
mode->ex.ct, mode->ex.nd, mode->ex.nbe,
mode->ex.ebd, mode->ex.pe, mode->ex.nal, mode->ex.p5);
printf("motionthres 0x%x reconthres 0x%x gapthres 0x%x\n",
mode->ex.motionthres, mode->ex.reconthres, mode->ex.gapthres);
}
#endif /* DEBUG */
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