/*
- * Copyright (c) 1982 Regents of the University of California.
+ * Copyright (c) 1982, 1986 Regents of the University of California.
* All rights reserved. The Berkeley software License Agreement
* specifies the terms and conditions for redistribution.
*
- * @(#)ts.c 6.5 (Berkeley) %G%
+ * @(#)ts.c 7.4 (Berkeley) %G%
*/
#include "ts.h"
/*
* TS11 tape driver
*
+ * NB: This driver takes advantage of the fact that there is only one
+ * drive per controller.
+ *
* TODO:
- * write dump code
+ * test dump code
*/
-#include "../machine/pte.h"
-
#include "param.h"
#include "systm.h"
#include "buf.h"
#include "cmap.h"
#include "uio.h"
#include "tty.h"
+#include "syslog.h"
+#include "../machine/pte.h"
#include "../vax/cpu.h"
#include "ubareg.h"
#include "ubavar.h"
struct uba_device *tsdinfo[NTS];
struct buf tsutab[NTS];
u_short tsstd[] = { 0772520, 0 };
-/*** PROBABLY DON'T NEED ALL THESE SINCE CONTROLLER == DRIVE ***/
+/* need all these even though controller == drive */
struct uba_driver zsdriver =
- { tsprobe, tsslave, tsattach, tsdgo, tsstd, "ts", tsdinfo, "zs", tsminfo, 0 };
+ { tsprobe, tsslave, tsattach, tsdgo, tsstd, "ts", tsdinfo, "zs", tsminfo };
/* bits in minor device */
#define TSUNIT(dev) (minor(dev)&03)
#define T_NOREWIND 04
+#define T_1600BPI 010
#define INF (daddr_t)1000000L
* 4. We remember the status registers after the last command, using
* then internally and returning them to the SENSE ioctl.
*/
+struct ts_tsdata { /* data shared with ts11 controller */
+ struct ts_cmd t_cmd; /* the command packet (must be first) */
+ struct ts_sts t_sts; /* status packet, for returned status */
+ struct ts_char t_char; /* characteristics packet */
+};
struct ts_softc {
char sc_openf; /* lock against multiple opens */
char sc_lastiow; /* last op was a write */
short sc_resid; /* copy of last bc */
daddr_t sc_blkno; /* block number, for block device tape */
daddr_t sc_nxrec; /* position of end of tape, if known */
- struct ts_cmd sc_cmd; /* the command packet */
- struct ts_sts sc_sts; /* status packet, for returned status */
- struct ts_char sc_char; /* characteristics packet */
- struct ts_softc *sc_ubaddr; /* Unibus address of ts_softc structure */
+ struct ts_tsdata sc_ts;/* command and status packets */
+ struct ts_tsdata *sc_ubaddr; /* Unibus address of tsdata structure */
u_short sc_uba; /* Unibus addr of cmd pkt for tsdb */
- short sc_mapped; /* is ts_sfotc mapped in Unibus space? */
+ short sc_density; /* value |'ed into char_mode for TC13 density */
struct tty *sc_ttyp; /* record user's tty for errors */
+ int sc_blks; /* number of I/O operations since open */
+ int sc_softerrs; /* number of soft I/O errors since open */
} ts_softc[NTS];
/*
* device interrupt.
*/
/*ARGSUSED*/
-tsprobe(reg)
+tsprobe(reg, ctlr, um)
caddr_t reg;
+ int ctlr;
+ struct uba_ctlr *um;
{
register int br, cvec; /* must be r11,r10; value-result */
+ register struct tsdevice *addr = (struct tsdevice *)reg;
+ register struct ts_softc *sc;
+ register int i;
+ int a;
#ifdef lint
br = 0; cvec = br; br = cvec;
tsintr(0);
#endif
- ((struct tsdevice *)reg)->tssr = 0;
+ addr->tssr = 0; /* initialize subsystem */
DELAY(100);
- if ((((struct tsdevice *)reg)->tssr & TS_NBA) == 0)
- return(0);
- /* IT'S TOO HARD TO MAKE THIS THING INTERRUPT JUST TO FIND ITS VECTOR */
- cvec = ((unsigned)reg) & 07 ? 0260 : 0224;
- br = 0x15;
+ if ((addr->tssr & TS_NBA) == 0)
+ return (0);
+
+ /*
+ * Make it interrupt.
+ * TS_SETCHR|TS_IE alone refuses to interrupt for me.
+ */
+ sc = &ts_softc[ctlr];
+ tsmap(sc, numuba, &a);
+ i = (int)&sc->sc_ubaddr->t_char;
+ sc->sc_ts.t_cmd.c_loba = i;
+ sc->sc_ts.t_cmd.c_hiba = (i >> 16) & 3;
+ sc->sc_ts.t_cmd.c_size = sizeof(struct ts_char);
+ sc->sc_ts.t_cmd.c_cmd = TS_ACK | TS_SETCHR;
+ sc->sc_ts.t_char.char_addr = (int)&sc->sc_ubaddr->t_sts;
+ sc->sc_ts.t_char.char_size = sizeof(struct ts_sts);
+ sc->sc_ts.t_char.char_mode = 0; /* mode is unimportant */
+ addr->tsdb = sc->sc_uba;
+ DELAY(20000);
+ sc->sc_ts.t_cmd.c_cmd = TS_ACK | TS_CVC | TS_IE | TS_SENSE;
+ sc->sc_ts.t_cmd.c_repcnt = 1;
+ addr->tsdb = sc->sc_uba;
+ DELAY(20000);
+ /* should have interrupted by now */
+
+ if (cvec == 0 || cvec == 0x200) /* no interrupt */
+ ubarelse(numuba, &a);
+
return (sizeof (struct tsdevice));
}
+/*
+ * Map in the command, status, and characteristics packet. We
+ * make them contiguous to keep overhead down. This also sets
+ * sc_uba (which then never changes).
+ */
+tsmap(sc, uban, a)
+ register struct ts_softc *sc;
+ int uban, *a;
+{
+ register int i;
+
+ i = uballoc(uban, (caddr_t)&sc->sc_ts, sizeof(sc->sc_ts), 0);
+ if (a != NULL)
+ *a = i;
+ i = UBAI_ADDR(i);
+ sc->sc_ubaddr = (struct ts_tsdata *)i;
+ /*
+ * Note that i == the Unibus address of the command packet,
+ * and that it is a multiple of 4 (guaranteed by the compiler).
+ */
+ sc->sc_uba = i + ((i >> 16) & 3);
+}
+
/*
* TS11 only supports one drive per controller;
* check for ui_slave == 0.
- *
- * DO WE REALLY NEED THIS ROUTINE???
*/
/*ARGSUSED*/
tsslave(ui, reg)
caddr_t reg;
{
- if (ui->ui_slave) /* non-zero slave not allowed */
- return(0);
- return (1);
+ return (ui->ui_slave == 0); /* non-zero slave not allowed */
}
/*
* Record attachment of the unit to the controller.
- *
- * SHOULD THIS ROUTINE DO ANYTHING???
*/
/*ARGSUSED*/
tsattach(ui)
struct uba_device *ui;
{
+ /* void */
}
/*
* Open the device. Tapes are unique open
* devices, so we refuse if it is already open.
- * We also check that a tape is available, and
- * don't block waiting here; if you want to wait
- * for a tape you should timeout in user code.
*/
tsopen(dev, flag)
dev_t dev;
int flag;
{
- register int tsunit;
+ register int tsunit = TSUNIT(dev);
register struct uba_device *ui;
register struct ts_softc *sc;
- tsunit = TSUNIT(dev);
- if (tsunit>=NTS || (sc = &ts_softc[tsunit])->sc_openf ||
- (ui = tsdinfo[tsunit]) == 0 || ui->ui_alive == 0)
- return (ENXIO);
- if (tsinit(tsunit))
+ if (tsunit >= NTS || (ui = tsdinfo[tsunit]) == 0 || ui->ui_alive == 0)
return (ENXIO);
+ if ((sc = &ts_softc[ui->ui_ctlr])->sc_openf)
+ return (EBUSY);
+ sc->sc_openf = 1;
+ sc->sc_density = (minor(dev) & T_1600BPI) ? TS_NRZI : 0;
tscommand(dev, TS_SENSE, 1);
- if ((sc->sc_sts.s_xs0&TS_ONL) == 0) {
+ if (ctsbuf[tsunit].b_flags & B_ERROR)
+ /*
+ * Try it again in case it went off-line
+ */
+ tscommand(dev, TS_SENSE, 1);
+ if (tsinit(ui->ui_ctlr)) {
+ sc->sc_openf = 0;
+ return (ENXIO);
+ }
+ if ((sc->sc_ts.t_sts.s_xs0&TS_ONL) == 0) {
+ sc->sc_openf = 0;
uprintf("ts%d: not online\n", tsunit);
return (EIO);
}
- if ((flag&(FREAD|FWRITE)) == FWRITE && (sc->sc_sts.s_xs0&TS_WLK)) {
+ if ((flag&FWRITE) && (sc->sc_ts.t_sts.s_xs0&TS_WLK)) {
+ sc->sc_openf = 0;
uprintf("ts%d: no write ring\n", tsunit);
return (EIO);
}
- sc->sc_openf = 1;
sc->sc_blkno = (daddr_t)0;
sc->sc_nxrec = INF;
sc->sc_lastiow = 0;
+ sc->sc_blks = 0;
+ sc->sc_softerrs = 0;
sc->sc_ttyp = u.u_ttyp;
return (0);
}
*/
tsclose(dev, flag)
register dev_t dev;
- register flag;
+ register int flag;
{
register struct ts_softc *sc = &ts_softc[TSUNIT(dev)];
* preventing a TS_SENSE from completing.
*/
tscommand(dev, TS_REW, 0);
+ if (sc->sc_blks > 100 && sc->sc_softerrs > sc->sc_blks / 100)
+ log(LOG_INFO, "ts%d: %d soft errors in %d blocks\n",
+ TSUNIT(dev), sc->sc_softerrs, sc->sc_blks);
sc->sc_openf = 0;
}
/*
- * Initialize the TS11. Set up Unibus mapping for command
- * packets and set device characteristics.
+ * Initialize a TS11. Set device characteristics.
*/
-tsinit(unit)
- register int unit;
+tsinit(ctlr)
+ register int ctlr;
{
- register struct ts_softc *sc = &ts_softc[unit];
- register struct uba_ctlr *um = tsminfo[unit];
+ register struct ts_softc *sc = &ts_softc[ctlr];
+ register struct uba_ctlr *um = tsminfo[ctlr];
register struct tsdevice *addr = (struct tsdevice *)um->um_addr;
register int i;
- /*
- * Map the command and message packets into Unibus
- * address space. We do all the command and message
- * packets at once to minimize the amount of Unibus
- * mapping necessary.
- */
- if (sc->sc_mapped == 0) {
- ctsbuf[unit].b_un.b_addr = (caddr_t)sc;
- ctsbuf[unit].b_bcount = sizeof(*sc);
- i = ubasetup(um->um_ubanum, &ctsbuf[unit], 0);
- i &= 0777777;
- sc->sc_ubaddr = (struct ts_softc *)i;
- sc->sc_mapped++;
- }
- /*
- * Now initialize the TS11 controller.
- * Set the characteristics.
- */
- if (addr->tssr & (TS_NBA|TS_OFL)) {
+ if (addr->tssr & (TS_NBA|TS_OFL) || sc->sc_ts.t_sts.s_xs0 & TS_BOT) {
addr->tssr = 0; /* subsystem initialize */
tswait(addr);
- i = (int)&sc->sc_ubaddr->sc_cmd; /* Unibus addr of cmd */
- sc->sc_uba = (u_short)(i + ((i>>16)&3));
- sc->sc_char.char_addr = (int)&sc->sc_ubaddr->sc_sts;
- sc->sc_char.char_size = sizeof(struct ts_sts);
- sc->sc_char.char_mode = TS_ESS;
- sc->sc_cmd.c_cmd = TS_ACK | TS_SETCHR;
- i = (int)&sc->sc_ubaddr->sc_char;
- sc->sc_cmd.c_loba = i;
- sc->sc_cmd.c_hiba = (i>>16)&3;
- sc->sc_cmd.c_size = sizeof(struct ts_char);
+ i = (int)&sc->sc_ubaddr->t_char;
+ sc->sc_ts.t_cmd.c_loba = i;
+ sc->sc_ts.t_cmd.c_hiba = (i >> 16) & 3;
+ sc->sc_ts.t_cmd.c_size = sizeof(struct ts_char);
+ sc->sc_ts.t_cmd.c_cmd = TS_ACK | TS_CVC | TS_SETCHR;
+ sc->sc_ts.t_char.char_addr = (int)&sc->sc_ubaddr->t_sts;
+ sc->sc_ts.t_char.char_size = sizeof(struct ts_sts);
+ sc->sc_ts.t_char.char_mode = TS_ESS | TS_EAI | TS_ERI |
+ /* TS_ENB | */ sc->sc_density;
addr->tsdb = sc->sc_uba;
tswait(addr);
if (addr->tssr & TS_NBA)
{
register struct buf *bp;
register int s;
+ int didsleep = 0;
bp = &ctsbuf[TSUNIT(dev)];
s = spl5();
break;
bp->b_flags |= B_WANTED;
sleep((caddr_t)bp, PRIBIO);
+ didsleep = 1;
}
bp->b_flags = B_BUSY|B_READ;
splx(s);
+ if (didsleep)
+ (void) tsinit(tsdinfo[TSUNIT(dev)]->ui_ctlr);
bp->b_dev = dev;
bp->b_repcnt = count;
bp->b_command = com;
*/
if (count == 0)
return;
- iowait(bp);
+ biowait(bp);
if (bp->b_flags&B_WANTED)
wakeup((caddr_t)bp);
bp->b_flags &= B_ERROR;
tsstrategy(bp)
register struct buf *bp;
{
- int tsunit = TSUNIT(bp->b_dev);
+ register int tsunit = TSUNIT(bp->b_dev);
register struct uba_ctlr *um;
register struct buf *dp;
- register int s;
+ int s;
/*
* Put transfer at end of controller queue
*/
bp->av_forw = NULL;
um = tsdinfo[tsunit]->ui_mi;
- s = spl5();
dp = &tsutab[tsunit];
+ s = spl5();
if (dp->b_actf == NULL)
dp->b_actf = bp;
else
register struct buf *bp;
register struct tsdevice *addr = (struct tsdevice *)um->um_addr;
register struct ts_softc *sc;
- register struct ts_cmd *tc;
register struct uba_device *ui;
- int tsunit, cmd;
+ register int tsunit;
+ int cmd;
daddr_t blkno;
/*
* Start the controller if there is something for it to do.
*/
loop:
- if ((bp = um->um_tab.b_actf->b_actf) == NULL)
+ if ((bp = um->um_tab.b_actf->b_actf) == NULL) {
+ um->um_tab.b_active = 0;
return;
+ }
tsunit = TSUNIT(bp->b_dev);
ui = tsdinfo[tsunit];
sc = &ts_softc[tsunit];
- tc = &sc->sc_cmd;
/*
* Default is that last command was NOT a write command;
- * if we do a write command we will notice this in tsintr().
+ * if we finish a write command we will notice this in tsintr().
*/
sc->sc_lastiow = 0;
if (sc->sc_openf < 0 || (addr->tssr&TS_OFL)) {
bp->b_flags |= B_ERROR;
goto next;
}
- if (bp == &ctsbuf[TSUNIT(bp->b_dev)]) {
+ if (bp == &ctsbuf[tsunit]) {
/*
* Execute control operation with the specified count.
*/
um->um_tab.b_active =
bp->b_command == TS_REW ? SREW : SCOM;
- tc->c_repcnt = bp->b_repcnt;
+ sc->sc_ts.t_cmd.c_repcnt = bp->b_repcnt;
goto dobpcmd;
}
/*
- * The following checks handle boundary cases for operation
- * on non-raw tapes. On raw tapes the initialization of
- * sc->sc_nxrec by tsphys causes them to be skipped normally
- * (except in the case of retries).
+ * For raw I/O, save the current block
+ * number in case we have to retry.
*/
- if (bdbtofsb(bp->b_blkno) > sc->sc_nxrec) {
- /*
- * Can't read past known end-of-file.
- */
- bp->b_flags |= B_ERROR;
- bp->b_error = ENXIO;
- goto next;
- }
- if (bdbtofsb(bp->b_blkno) == sc->sc_nxrec &&
- bp->b_flags&B_READ) {
+ if (bp == &rtsbuf[tsunit]) {
+ if (um->um_tab.b_errcnt == 0)
+ sc->sc_blkno = bdbtofsb(bp->b_blkno);
+ } else {
/*
- * Reading at end of file returns 0 bytes.
+ * Handle boundary cases for operation
+ * on non-raw tapes.
*/
- bp->b_resid = bp->b_bcount;
- clrbuf(bp);
- goto next;
+ if (bdbtofsb(bp->b_blkno) > sc->sc_nxrec) {
+ /*
+ * Can't read past known end-of-file.
+ */
+ bp->b_flags |= B_ERROR;
+ bp->b_error = ENXIO;
+ goto next;
+ }
+ if (bdbtofsb(bp->b_blkno) == sc->sc_nxrec &&
+ bp->b_flags&B_READ) {
+ /*
+ * Reading at end of file returns 0 bytes.
+ */
+ bp->b_resid = bp->b_bcount;
+ clrbuf(bp);
+ goto next;
+ }
+ if ((bp->b_flags&B_READ) == 0)
+ /*
+ * Writing sets EOF
+ */
+ sc->sc_nxrec = bdbtofsb(bp->b_blkno) + 1;
}
- if ((bp->b_flags&B_READ) == 0)
- /*
- * Writing sets EOF
- */
- sc->sc_nxrec = bdbtofsb(bp->b_blkno) + 1;
+
/*
* If the data transfer command is in the correct place,
* set up all the registers except the csr, and give
* wait for resources to start the i/o.
*/
if ((blkno = sc->sc_blkno) == bdbtofsb(bp->b_blkno)) {
- tc->c_size = bp->b_bcount;
+ sc->sc_ts.t_cmd.c_size = bp->b_bcount;
if ((bp->b_flags&B_READ) == 0)
cmd = TS_WCOM;
else
if (um->um_tab.b_errcnt)
cmd |= TS_RETRY;
um->um_tab.b_active = SIO;
- tc->c_cmd = TS_ACK | TS_CVC | TS_IE | cmd;
+ sc->sc_ts.t_cmd.c_cmd = TS_ACK | TS_CVC | TS_IE | cmd;
(void) ubago(ui);
return;
}
um->um_tab.b_active = SSEEK;
if (blkno < bdbtofsb(bp->b_blkno)) {
bp->b_command = TS_SFORW;
- tc->c_repcnt = bdbtofsb(bp->b_blkno) - blkno;
+ sc->sc_ts.t_cmd.c_repcnt = bdbtofsb(bp->b_blkno) - blkno;
} else {
bp->b_command = TS_SREV;
- tc->c_repcnt = blkno - bdbtofsb(bp->b_blkno);
+ sc->sc_ts.t_cmd.c_repcnt = blkno - bdbtofsb(bp->b_blkno);
}
dobpcmd:
/*
* Do the command in bp.
*/
- tc->c_cmd = TS_ACK | TS_CVC | TS_IE | bp->b_command;
+ sc->sc_ts.t_cmd.c_cmd = TS_ACK | TS_CVC | TS_IE | bp->b_command;
addr->tsdb = sc->sc_uba;
return;
ubadone(um);
um->um_tab.b_errcnt = 0;
um->um_tab.b_actf->b_actf = bp->av_forw;
- iodone(bp);
+ biodone(bp);
goto loop;
}
tsdgo(um)
register struct uba_ctlr *um;
{
- register struct tsdevice *addr = (struct tsdevice *)um->um_addr;
register struct ts_softc *sc = &ts_softc[um->um_ctlr];
register int i;
- i = um->um_ubinfo & 0777777;
- sc->sc_cmd.c_loba = i;
- sc->sc_cmd.c_hiba = (i>>16)&3;
- addr->tsdb = sc->sc_uba;
+ /*
+ * The uba code uses byte-offset mode if using bdp;
+ * mask off the low bit here.
+ */
+ i = UBAI_ADDR(um->um_ubinfo);
+ if (UBAI_BDP(um->um_ubinfo))
+ i &= ~1;
+ sc->sc_ts.t_cmd.c_loba = i;
+ sc->sc_ts.t_cmd.c_hiba = (i >> 16) & 3;
+ ((struct tsdevice *)um->um_addr)->tsdb = sc->sc_uba;
}
/*
* Ts interrupt routine.
*/
/*ARGSUSED*/
-tsintr(ts11)
- int ts11;
+tsintr(tsunit)
+ register int tsunit;
{
register struct buf *bp;
- register struct uba_ctlr *um = tsminfo[ts11];
+ register struct uba_ctlr *um;
register struct tsdevice *addr;
register struct ts_softc *sc;
- int tsunit;
- register state;
+ register int state;
+#if VAX630
+ (void) spl5();
+#endif
+ um = tsdinfo[tsunit]->ui_mi;
if ((bp = um->um_tab.b_actf->b_actf) == NULL)
return;
- tsunit = TSUNIT(bp->b_dev);
- addr = (struct tsdevice *)tsdinfo[tsunit]->ui_addr;
+ addr = (struct tsdevice *)um->um_addr;
/*
* If last command was a rewind, and tape is still
* rewinding, wait for the rewind complete interrupt.
/*
* An operation completed... record status
*/
- sc = &ts_softc[tsunit];
+ sc = &ts_softc[um->um_ctlr];
if ((bp->b_flags & B_READ) == 0)
sc->sc_lastiow = 1;
state = um->um_tab.b_active;
- um->um_tab.b_active = 0;
/*
* Check for errors.
*/
switch (addr->tssr & TS_TC) {
case TS_UNREC: /* unrecoverable */
case TS_FATAL: /* fatal error */
- case TS_ATTN: /* attention (shouldn't happen) */
case TS_RECNM: /* recoverable, no motion */
break;
+ case TS_ATTN: /* attention */
+ if (sc->sc_ts.t_sts.s_xs0 & TS_VCK) {
+ /* volume check - may have changed tapes */
+ bp->b_flags |= B_ERROR;
+ goto ignoreerr;
+ }
+ break;
case TS_SUCC: /* success termination */
- printf("ts%d: success\n", TSUNIT(minor(bp->b_dev)));
+ printf("ts%d: success\n", tsunit);
goto ignoreerr;
case TS_ALERT: /* tape status alert */
* If we hit the end of the tape file,
* update our position.
*/
- if (sc->sc_sts.s_xs0 & (TS_TMK|TS_EOT)) {
- tsseteof(bp); /* set blkno and nxrec */
- state = SCOM; /* force completion */
+ if (sc->sc_ts.t_sts.s_xs0 & (TS_TMK|TS_EOT)) {
+ tsseteof(bp); /* set blkno and nxrec */
+ state = SCOM; /* force completion */
/*
* Stuff bc so it will be unstuffed correctly
* later to get resid.
*/
- sc->sc_sts.s_rbpcr = bp->b_bcount;
+ sc->sc_ts.t_sts.s_rbpcr = bp->b_bcount;
goto opdone;
}
/*
- * If we were reading raw tape and the record was too long
- * or too short, then we don't consider this an error.
+ * If we were reading raw tape and the record was too
+ * long or too short, we don't consider this an error.
*/
- if (bp == &rtsbuf[TSUNIT(bp->b_dev)] && (bp->b_flags&B_READ) &&
- sc->sc_sts.s_xs0&(TS_RLS|TS_RLL))
+ if (bp == &rtsbuf[tsunit] && bp->b_flags&B_READ &&
+ sc->sc_ts.t_sts.s_xs0&(TS_RLS|TS_RLL))
goto ignoreerr;
+ /* FALLTHROUGH */
+
case TS_RECOV: /* recoverable, tape moved */
/*
* If this was an i/o operation retry up to 8 times.
*/
- if (state==SIO) {
+ if (state == SIO) {
if (++um->um_tab.b_errcnt < 7) {
ubadone(um);
goto opcont;
* Non-i/o errors on non-raw tape
* cause it to close.
*/
- if (sc->sc_openf>0 && bp != &rtsbuf[TSUNIT(bp->b_dev)])
+ if (sc->sc_openf > 0 && bp != &rtsbuf[tsunit])
sc->sc_openf = -1;
}
break;
case TS_REJECT: /* function reject */
- if (state == SIO && sc->sc_sts.s_xs0 & TS_WLE)
+ if (state == SIO && sc->sc_ts.t_sts.s_xs0 & TS_WLE)
tprintf(sc->sc_ttyp, "ts%d: write locked\n",
- TSUNIT(bp->b_dev));
- if ((sc->sc_sts.s_xs0 & TS_ONL) == 0)
+ tsunit);
+ if ((sc->sc_ts.t_sts.s_xs0 & TS_ONL) == 0)
tprintf(sc->sc_ttyp, "ts%d: offline\n",
- TSUNIT(bp->b_dev));
+ tsunit);
break;
}
/*
* Couldn't recover error
*/
- tprintf(sc->sc_ttyp, "ts%d: hard error bn%d xs0=%b",
- TSUNIT(bp->b_dev), bp->b_blkno, sc->sc_sts.s_xs0, TSXS0_BITS);
- if (sc->sc_sts.s_xs1)
- tprintf(sc->sc_ttyp, " xs1=%b", sc->sc_sts.s_xs1,
+ tprintf(sc->sc_ttyp, "ts%d: hard error bn%d tssr=%b xs0=%b",
+ tsunit, bp->b_blkno, addr->tssr, TSSR_BITS,
+ sc->sc_ts.t_sts.s_xs0, TSXS0_BITS);
+ if (sc->sc_ts.t_sts.s_xs1)
+ tprintf(sc->sc_ttyp, " xs1=%b", sc->sc_ts.t_sts.s_xs1,
TSXS1_BITS);
- if (sc->sc_sts.s_xs2)
- tprintf(sc->sc_ttyp, " xs2=%b", sc->sc_sts.s_xs2,
+ if (sc->sc_ts.t_sts.s_xs2)
+ tprintf(sc->sc_ttyp, " xs2=%b", sc->sc_ts.t_sts.s_xs2,
TSXS2_BITS);
- if (sc->sc_sts.s_xs3)
- tprintf(sc->sc_ttyp, " xs3=%b", sc->sc_sts.s_xs3,
+ if (sc->sc_ts.t_sts.s_xs3)
+ tprintf(sc->sc_ttyp, " xs3=%b", sc->sc_ts.t_sts.s_xs3,
TSXS3_BITS);
tprintf(sc->sc_ttyp, "\n");
bp->b_flags |= B_ERROR;
* Read/write increments tape block number
*/
sc->sc_blkno++;
+ sc->sc_blks++;
+ if (um->um_tab.b_errcnt)
+ sc->sc_softerrs++;
goto opdone;
case SCOM:
/*
* For forward/backward space record update current position.
*/
- if (bp == &ctsbuf[TSUNIT(bp->b_dev)])
- switch (bp->b_command) {
+ if (bp == &ctsbuf[tsunit])
+ switch ((int)bp->b_command) {
- case TS_SFORW:
- sc->sc_blkno += bp->b_repcnt;
- break;
+ case TS_SFORW:
+ sc->sc_blkno += bp->b_repcnt;
+ break;
- case TS_SREV:
- sc->sc_blkno -= bp->b_repcnt;
- break;
- }
+ case TS_SREV:
+ sc->sc_blkno -= bp->b_repcnt;
+ break;
+ }
goto opdone;
case SSEEK:
*/
um->um_tab.b_errcnt = 0;
um->um_tab.b_actf->b_actf = bp->av_forw;
- bp->b_resid = sc->sc_sts.s_rbpcr;
+ bp->b_resid = sc->sc_ts.t_sts.s_rbpcr;
ubadone(um);
- iodone(bp);
- if (um->um_tab.b_actf->b_actf == 0)
+ biodone(bp);
+ if (um->um_tab.b_actf->b_actf == 0) {
+ um->um_tab.b_active = 0;
return;
+ }
opcont:
tsstart(um);
}
register struct buf *bp;
{
register int tsunit = TSUNIT(bp->b_dev);
- register struct ts_softc *sc = &ts_softc[tsunit];
+ register struct ts_softc *sc = &ts_softc[tsdinfo[tsunit]->ui_ctlr];
- if (bp == &ctsbuf[TSUNIT(bp->b_dev)]) {
+ if (bp == &ctsbuf[tsunit]) {
if (sc->sc_blkno > bdbtofsb(bp->b_blkno)) {
/* reversing */
- sc->sc_nxrec = bdbtofsb(bp->b_blkno) - sc->sc_sts.s_rbpcr;
+ sc->sc_nxrec = bdbtofsb(bp->b_blkno) -
+ sc->sc_ts.t_sts.s_rbpcr;
sc->sc_blkno = sc->sc_nxrec;
} else {
/* spacing forward */
- sc->sc_blkno = bdbtofsb(bp->b_blkno) + sc->sc_sts.s_rbpcr;
+ sc->sc_blkno = bdbtofsb(bp->b_blkno) +
+ sc->sc_ts.t_sts.s_rbpcr;
sc->sc_nxrec = sc->sc_blkno - 1;
}
return;
dev_t dev;
struct uio *uio;
{
- int errno;
- errno = tsphys(dev, uio);
- if (errno)
- return (errno);
return (physio(tsstrategy, &rtsbuf[TSUNIT(dev)], dev, B_READ, minphys, uio));
}
dev_t dev;
struct uio *uio;
{
- int errno;
- errno = tsphys(dev, uio);
- if (errno)
- return (errno);
return (physio(tsstrategy, &rtsbuf[TSUNIT(dev)], dev, B_WRITE, minphys, uio));
}
-/*
- * Check that a raw device exists.
- * If it does, set up sc_blkno and sc_nxrec
- * so that the tape will appear positioned correctly.
- */
-tsphys(dev, uio)
- dev_t dev;
- struct uio *uio;
-{
- register int tsunit = TSUNIT(dev);
- register daddr_t a;
- register struct ts_softc *sc;
- register struct uba_device *ui;
-
- if (tsunit >= NTS || (ui=tsdinfo[tsunit]) == 0 || ui->ui_alive == 0)
- return (ENXIO);
- sc = &ts_softc[tsunit];
- a = bdbtofsb(uio->uio_offset >> 9);
- sc->sc_blkno = a;
- sc->sc_nxrec = a + 1;
- return (0);
-}
-
tsreset(uban)
int uban;
{
register struct uba_ctlr *um;
register struct uba_device *ui;
register struct buf *dp;
- register ts11;
+ register int ts11, i;
for (ts11 = 0; ts11 < NTS; ts11++) {
if ((um = tsminfo[ts11]) == 0 || um->um_alive == 0 ||
- um->um_ubanum != uban)
+ um->um_ubanum != uban)
continue;
printf(" ts%d", ts11);
um->um_tab.b_active = 0;
if (ts_softc[ts11].sc_openf > 0)
ts_softc[ts11].sc_openf = -1;
if (um->um_ubinfo) {
- printf("<%d>", (um->um_ubinfo>>28)&0xf);
+ printf("<%d>", UBAI_BDP(um->um_ubinfo));
um->um_ubinfo = 0;
}
- if ((ui = tsdinfo[ts11]) && ui->ui_mi == um && ui->ui_alive) {
- dp = &tsutab[ts11];
- dp->b_active = 0;
- dp->b_forw = 0;
- if (um->um_tab.b_actf == NULL)
- um->um_tab.b_actf = dp;
- else
- um->um_tab.b_actl->b_forw = dp;
- um->um_tab.b_actl = dp;
+ /*
+ * tsdinfo should be 1-to-1 with tsminfo, but someone
+ * might have screwed up the config file:
+ */
+ for (i = 0; i < NTS; i++) {
+ if ((ui = tsdinfo[i]) != NULL &&
+ ui->ui_alive && ui->ui_mi == um) {
+ um->um_tab.b_actf = um->um_tab.b_actl =
+ &tsutab[i];
+ break;
+ }
}
- ts_softc[ts11].sc_mapped = 0;
+ tsmap(&ts_softc[ts11], uban, (int *)NULL);
(void) tsinit(ts11);
tsstart(um);
}
dev_t dev;
{
int tsunit = TSUNIT(dev);
- register struct ts_softc *sc = &ts_softc[tsunit];
+ register struct ts_softc *sc = &ts_softc[tsdinfo[tsunit]->ui_ctlr];
register struct buf *bp = &ctsbuf[TSUNIT(dev)];
- register callcount;
+ register int callcount;
int fcount;
struct mtop *mtop;
struct mtget *mtget;
/* we depend of the values and order of the MT codes here */
- static tsops[] =
+ static int tsops[] =
{TS_WEOF,TS_SFORWF,TS_SREVF,TS_SFORW,TS_SREV,TS_REW,TS_OFFL,TS_SENSE};
switch (cmd) {
if ((mtop->mt_op == MTFSR || mtop->mt_op == MTBSR) &&
bp->b_resid)
return (EIO);
- if ((bp->b_flags&B_ERROR) || sc->sc_sts.s_xs0&TS_BOT)
+ if ((bp->b_flags&B_ERROR) ||
+ sc->sc_ts.t_sts.s_xs0&TS_BOT)
break;
}
return (geterror(bp));
case MTIOCGET:
mtget = (struct mtget *)data;
mtget->mt_dsreg = 0;
- mtget->mt_erreg = sc->sc_sts.s_xs0;
+ mtget->mt_erreg = sc->sc_ts.t_sts.s_xs0;
mtget->mt_resid = sc->sc_resid;
mtget->mt_type = MT_ISTS;
break;
#define DBSIZE 20
-tsdump()
+tsdump(dev)
+ dev_t dev;
{
register struct uba_device *ui;
- register struct uba_regs *up;
+ register struct uba_regs *uba;
register struct tsdevice *addr;
- int blk, num;
- int start;
+ register int i;
+ register struct pte *io;
+ int blk, num, unit, reg, start;
+ u_short db;
+ struct ts_tsdata *tc, *tc_ubaddr;
- start = 0;
- num = maxfree;
+ unit = TSUNIT(dev);
+ if (unit >= NTS)
+ return (ENXIO);
#define phys(a,b) ((b)((int)(a)&0x7fffffff))
- if (tsdinfo[0] == 0)
+ ui = phys(tsdinfo[unit], struct uba_device *);
+ if (ui->ui_alive == 0)
return (ENXIO);
- ui = phys(tsdinfo[0], struct uba_device *);
- up = phys(ui->ui_hd, struct uba_hd *)->uh_physuba;
- ubainit(up);
- DELAY(1000000);
+ uba = phys(ui->ui_hd, struct uba_hd *)->uh_physuba;
+ ubainit(uba);
addr = (struct tsdevice *)ui->ui_physaddr;
+
+ /* map a ts_tsdata structure */
+ tc = phys(&ts_softc[0].sc_ts, struct ts_tsdata *);
+ num = btoc(sizeof(struct ts_tsdata)) + 1;
+ io = &uba->uba_map[reg = NUBMREG - num];
+ for (i = 0; i < num; i++)
+ *(int *)io++ = UBAMR_MRV | (btop(tc) + i);
+ i = (((int)tc & PGOFSET) | (reg << 9));
+ tc_ubaddr = (struct ts_tsdata *)i;
+ db = i + ((i >> 16) & 3);
+
+ /* init the drive */
addr->tssr = 0;
tswait(addr);
- while (num > 0) {
+ if ((addr->tssr & (TS_NBA|TS_OFL)) != TS_NBA)
+ return (EFAULT);
+
+ /* set characteristics */
+ i = (int)&tc_ubaddr->t_char;
+ tc->t_cmd.c_loba = i;
+ tc->t_cmd.c_hiba = (i >> 16) & 3;
+ tc->t_cmd.c_size = sizeof(struct ts_char);
+ tc->t_cmd.c_cmd = TS_ACK | TS_CVC | TS_SETCHR;
+ tc->t_char.char_addr = (int)&tc_ubaddr->t_sts;
+ tc->t_char.char_size = sizeof(struct ts_sts);
+ tc->t_char.char_mode = TS_ESS;
+ addr->tsdb = db;
+ tswait(addr);
+ if (addr->tssr & TS_NBA)
+ return (ENXIO);
+
+ /* dump */
+ tc->t_cmd.c_cmd = TS_ACK | TS_WCOM;
+ tc->t_cmd.c_repcnt = 1;
+ num = maxfree;
+ for (start = 0, num = maxfree; num > 0; start += blk, num -= blk) {
blk = num > DBSIZE ? DBSIZE : num;
- tsdwrite(start, blk, addr, up);
- start += blk;
- num -= blk;
+ io = uba->uba_map;
+ for (i = 0; i < blk; i++)
+ *(int *)io++ = UBAMR_MRV | (1 << UBAMR_DPSHIFT) |
+ (start + i);
+ *(int *)io = 0;
+ addr->tsdb = db;
+ tswait(addr);
}
- tseof(addr);
- tseof(addr);
+
+ /* eof */
+ tc->t_cmd.c_cmd = TS_WEOF;
+ addr->tsdb = db;
tswait(addr);
+ addr->tsdb = db;
+ tswait(addr);
+
if (addr->tssr&TS_SC)
return (EIO);
addr->tssr = 0;
return (0);
}
-tsdwrite(dbuf, num, addr, up)
- register int dbuf, num;
- register struct tsdevice *addr;
- struct uba_regs *up;
-{
- register struct pte *io;
- register int npf;
-
- tswait(addr);
- io = up->uba_map;
- npf = num+1;
- while (--npf != 0)
- *(int *)io++ = (dbuf++ | (1<<UBAMR_DPSHIFT) | UBAMR_MRV);
- *(int *)io = 0;
-#ifdef notyet
- addr->tsbc = -(num*NBPG);
- addr->tsba = 0;
- addr->tscs = TS_WCOM | TM_GO;
-#endif
-}
-
tswait(addr)
register struct tsdevice *addr;
{
- register s;
- do
- s = addr->tssr;
- while ((s & TS_SSR) == 0);
+ while ((addr->tssr & TS_SSR) == 0)
+ /* void */;
}
-tseof(addr)
- struct tsdevice *addr;
-{
-
- tswait(addr);
-#ifdef notyet
- addr->tscs = TS_WEOF | TM_GO;
-#endif
-}
-#endif
+#endif /* NTS > 0 */