X-Git-Url: https://git.subgeniuskitty.com/unix-history/.git/blobdiff_plain/c10bcf0aabaedee4b1f74ec2184fd7dfce84d0c5..de59ccc2375aad4c9f0ff41f3291584ead755f15:/usr/src/sys/vax/uba/up.c

diff --git a/usr/src/sys/vax/uba/up.c b/usr/src/sys/vax/uba/up.c
index 9357c868b4..44e1bdbeb2 100644
--- a/usr/src/sys/vax/uba/up.c
+++ b/usr/src/sys/vax/uba/up.c
@@ -1,4 +1,4 @@
-/*	up.c	4.45	82/03/31	*/
+/*	up.c	4.53	82/05/27	*/
 
 #include "up.h"
 #if NSC > 0
@@ -42,7 +42,11 @@ struct	size
 	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 */
@@ -68,13 +72,13 @@ struct	size
 #else
 	213760,	155,
 #endif
-}, am_sizes[8] = {
+}, upam_sizes[8] = {
 	15884,	0,		/* A=cyl 0 thru 31 */
 	33440,	32,		/* B=cyl 32 thru 97 */
 	524288,	0,		/* C=cyl 0 thru 1023 */
-	0,	0,
-	0,	0,
-	0,	0,
+	27786,	668,
+	27786,	723,
+	125440,	778,
 	181760,	668,		/* G=cyl 668 thru 1022 */
 	291346,	98,		/* H=cyl 98 thru 667 */
 };
@@ -111,7 +115,7 @@ struct	upst {
 	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,	am_sizes,	/* ampex capricorn */
+	32,	16,	32*16,	1024,	upam_sizes,	/* ampex capricorn */
 };
 
 u_char	up_offset[16] = {
@@ -156,6 +160,7 @@ upslave(ui, reg)
 
 	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);
@@ -460,7 +465,7 @@ updgo(um)
 {
 	register struct updevice *upaddr = (struct updevice *)um->um_addr;
 
-	um->um_tab.b_active++;	/* should now be 2 */
+	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);
 }
@@ -492,6 +497,7 @@ upintr(sc21)
 			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.
@@ -738,7 +744,6 @@ upecc(ui)
 		i++;
 		bit -= 8;
 	}
-	um->um_tab.b_active = 2;	/* Either complete or continuing... */
 	if (up->upwc == 0)
 		return (0);
 	/*
@@ -766,6 +771,7 @@ upecc(ui)
 	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);
@@ -858,6 +864,7 @@ updump(dev)
 	register struct uba_device *ui;
 	register short *rp;
 	struct upst *st;
+	register int retry;
 
 	unit = minor(dev) >> 3;
 	if (unit >= NUP)
@@ -869,20 +876,22 @@ updump(dev)
 	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)
@@ -909,9 +918,20 @@ updump(dev)
 		*--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;