-/* up.c 4.40 81/11/18 */
+/* up.c 4.53 82/05/27 */
#include "up.h"
#if NSC > 0
daddr_t nblocks;
int cyloff;
} up_sizes[8] = {
+#ifdef ERNIE
+ 49324, 0, /* A=cyl 0 thru 26 */
+#else
15884, 0, /* A=cyl 0 thru 26 */
+#endif
33440, 27, /* B=cyl 27 thru 81 */
495520, 0, /* C=cyl 0 thru 814 */
15884, 562, /* D=cyl 562 thru 588 */
#else
213760, 155,
#endif
+}, upam_sizes[8] = {
+ 15884, 0, /* A=cyl 0 thru 31 */
+ 33440, 32, /* B=cyl 32 thru 97 */
+ 524288, 0, /* C=cyl 0 thru 1023 */
+ 27786, 668,
+ 27786, 723,
+ 125440, 778,
+ 181760, 668, /* G=cyl 668 thru 1022 */
+ 291346, 98, /* H=cyl 98 thru 667 */
};
/* END OF STUFF WHICH SHOULD BE READ IN PER DISK */
-#define _upSDIST 2 /* 1.0 msec */
+/*
+ * On a 780 upSDIST could be 2, but
+ * in the interest of 750's...
+ */
+#define _upSDIST 3 /* 1.5 msec */
#define _upRDIST 4 /* 2.0 msec */
int upSDIST = _upSDIST;
int upprobe(), upslave(), upattach(), updgo(), upintr();
struct uba_ctlr *upminfo[NSC];
struct uba_device *updinfo[NUP];
-struct uba_device *upip[NSC][4];
+#define UPIPUNITS 8
+struct uba_device *upip[NSC][UPIPUNITS]; /* fuji w/fixed head gives n,n+4 */
u_short upstd[] = { 0776700, 0774400, 0776300, 0 };
struct uba_driver scdriver =
32, 19, 32*19, 823, up_sizes, /* 9300/cdc */
/* 9300 actually has 815 cylinders... */
32, 10, 32*10, 823, fj_sizes, /* fujitsu 160m */
+ 32, 16, 32*16, 1024, upam_sizes, /* ampex capricorn */
};
u_char up_offset[16] = {
#ifdef lint
br = 0; cvec = br; br = cvec;
- upintr(0);
#endif
((struct updevice *)reg)->upcs1 = UP_IE|UP_RDY;
DELAY(10);
upaddr->upcs1 = 0; /* conservative */
upaddr->upcs2 = ui->ui_slave;
+ upaddr->upcs1 = UP_NOP|UP_GO;
if (upaddr->upcs2&UPCS2_NED) {
upaddr->upcs1 = UP_DCLR|UP_GO;
return (0);
upaddr->uphr = UPHR_MAXTRAK;
if (upaddr->uphr == 9)
ui->ui_type = 1; /* fujitsu hack */
+ else if (upaddr->uphr == 15)
+ ui->ui_type = 2; /* ampex hack */
upaddr->upcs2 = UPCS2_CLR;
/*
upaddr->uphr = UPHR_MAXCYL;
{
register struct updevice *upaddr = (struct updevice *)um->um_addr;
+ um->um_tab.b_active = 2; /* should now be 2 */
upaddr->upba = um->um_ubinfo;
upaddr->upcs1 = um->um_cmd|((um->um_ubinfo>>8)&0x300);
}
* interrupt for attention status on seeking drives.
* Just service them.
*/
- if (um->um_tab.b_active == 0) {
+ if (um->um_tab.b_active != 2 && !sc->sc_recal) {
if (upaddr->upcs1 & UP_TRE)
upaddr->upcs1 = UP_TRE;
goto doattn;
}
+ um->um_tab.b_active = 1;
/*
* Get device and block structures, and a pointer
* to the uba_device for the drive. Select the drive.
unit--; /* was 1 origin */
as &= ~(1<<unit);
upaddr->upas = 1<<unit;
- if (upustart(upip[sc21][unit]))
+ if (unit < UPIPUNITS && upustart(upip[sc21][unit]))
needie = 0;
}
/*
i++;
bit -= 8;
}
- um->um_tab.b_active++; /* Either complete or continuing... */
if (up->upwc == 0)
return (0);
/*
up->upba = ubaddr;
cmd = (ubaddr >> 8) & 0x300;
cmd |= UP_IE|UP_GO|UP_RCOM;
+ um->um_tab.b_active = 2; /* continuing transfer ... */
up->upcs1 = cmd;
#endif
return (1);
um->um_tab.b_active = 0;
um->um_tab.b_actf = um->um_tab.b_actl = 0;
up_softc[sc21].sc_recal = 0;
+ up_softc[sc21].sc_wticks = 0;
if (um->um_ubinfo) {
printf("<%d>", (um->um_ubinfo>>28)&0xf);
ubadone(um);
register struct uba_device *ui;
register short *rp;
struct upst *st;
+ register int retry;
unit = minor(dev) >> 3;
if (unit >= NUP)
uba = phys(struct uba_hd *, ui->ui_hd)->uh_physuba;
ubainit(uba);
upaddr = (struct updevice *)ui->ui_physaddr;
- DELAY(2000000);
+ DELAY(5000000);
num = maxfree;
- start = 0;
upaddr->upcs2 = unit;
DELAY(100);
- if ((upaddr->upcs1&UP_DVA) == 0)
- return (EFAULT);
- if ((upaddr->upds & UPDS_VV) == 0) {
- upaddr->upcs1 = UP_DCLR|UP_GO;
- upaddr->upcs1 = UP_PRESET|UP_GO;
- upaddr->upof = UPOF_FMT22;
- }
+ upaddr->upcs1 = UP_DCLR|UP_GO;
+ upaddr->upcs1 = UP_PRESET|UP_GO;
+ upaddr->upof = UPOF_FMT22;
+ retry = 0;
+ do {
+ DELAY(25);
+ if (++retry > 527)
+ break;
+ } while ((upaddr->upds & UP_RDY) == 0);
if ((upaddr->upds & UPDS_DREADY) != UPDS_DREADY)
return (EFAULT);
+ start = 0;
st = &upst[ui->ui_type];
sizes = phys(struct size *, st->sizes);
if (dumplo < 0 || dumplo + num >= sizes[minor(dev)&07].nblocks)
*--rp = 0;
*--rp = -blk*NBPG / sizeof (short);
*--rp = UP_GO|UP_WCOM;
+ retry = 0;
do {
DELAY(25);
+ if (++retry > 527)
+ break;
} while ((upaddr->upcs1 & UP_RDY) == 0);
+ if ((upaddr->upds & UPDS_DREADY) != UPDS_DREADY) {
+ printf("up%d: not ready", unit);
+ if ((upaddr->upds & UPDS_DREADY) != UPDS_DREADY) {
+ printf("\n");
+ return (EIO);
+ }
+ printf(" (flakey)\n");
+ }
if (upaddr->upds&UPDS_ERR)
return (EIO);
start += blk*NBPG;