From cc1412aaa6949f4080fc9b1cfb6e79242d977424 Mon Sep 17 00:00:00 2001
From: David du Colombier <0intro@gmail.com>
Date: Tue, 28 Mar 1995 00:00:00 +0000
Subject: [PATCH] Plan 9 from Bell Labs 1995-03-28

---
 pc/devi82365.c | 41 +++++++++++++++++++++++------------------
 pc/fns.h       |  6 +++++-
 pc/scsi.c      | 41 +++++++++++++++++++++++++++--------------
 3 files changed, 55 insertions(+), 33 deletions(-)

diff --git a/pc/devi82365.c b/pc/devi82365.c
index 8d6e419c614b7f42608a0ccb42db33a884961bb7..980572d2c6836f68f625c958522e15376f6a48a6 100644
--- a/pc/devi82365.c
+++ b/pc/devi82365.c
@@ -559,6 +559,19 @@ i82386probe(int x, int d, int dev)
 	return cp;
 }
 
+static void
+i82365dump(Slot *pp)
+{
+	int i;
+
+	for(i = 0; i < 0x40; i++){
+		if((i&0x7) == 0)
+			print("\n%ux:	", i);
+		print("%ux ", rdreg(pp, i));
+	}
+	print("\n");
+}
+
 /*
  *  set up for slot cards
  */
@@ -593,7 +606,10 @@ i82365reset(void)
 			pp->memlen = 64*MB;
 			pp->base = (cp->dev<<7) | (j<<6);
 			pp->cp = cp;
+if(pp == slot)i82365dump(pp);
+/*
 			slotdis(pp);
+*/
 
 			/* interrupt on status change */
 			wrreg(pp, Rcscic, ((PCMCIAvec-Int0vec)<<4) | Fchangeena);
@@ -780,18 +796,6 @@ i82365read(Chan *c, void *a, long n, ulong offset)
 		if(pp->busy)
 			cp += sprint(cp, "busy\n");
 		cp += sprint(cp, "battery lvl %d\n", pp->battery);
-{
-	int i;
-
-	cp += sprint(cp, "x %x d %x b %x\n", pp->cp->xreg, pp->cp->dreg, pp->base);
-	for(i = 0; i < 0x40; i++){
-		cp += sprint(cp, "%2.2ux ", rdreg(pp, i));
-		if((i%8) == 7)
-			cp += sprint(cp, "\n");
-	}
-	if(i%8)
-		cp += sprint(cp, "\n");
-}
 		*cp = 0;
 		return readstr(offset, a, n, buf);
 	default:
@@ -934,21 +938,21 @@ pcmio(int slotno, ISAConf *isa)
 		/*  Reset adapter */
 		m = pcmmap(slotno, pp->caddr + Rconfig, 1, 1);
 		p = (uchar*)(KZERO|(m->isa + pp->caddr + Rconfig - m->ca));
+if(strstr(pp->verstr, "KeepInTouch") == 0){
 		*p = Creset;
 		delay(5);
 		*p = 0;
 		delay(5);
-	
-		/*
-		 *  Set level sensitive (not pulsed) interrupts and
-		 *  configuration number 1.
-		 *  Setting the configuration number enables IO port access.
-		 */
+}
+
+		/* set configuration */
+if(strstr(pp->verstr, "KeepInTouch") == 0){
 		if(isa->irq > 7)
 			*p = Clevel | ct->index;
 		else
 			*p = ct->index;
 		delay(5);
+} else i82365dump(pp);
 		pcmunmap(slotno, m);
 	}
 	return 0;
@@ -1306,3 +1310,4 @@ tvers1(Slot *pp, int ttype)
 	}
 	pp->verstr[i] = 0;
 }
+
diff --git a/pc/fns.h b/pc/fns.h
index 6133ab7f81b0417fb56652c72ae1ef14f9a951e1..e3663aa0792c82acf28941719a32dc1c6de380a3 100644
--- a/pc/fns.h
+++ b/pc/fns.h
@@ -2,7 +2,7 @@
 
 void	aamloop(int);
 void	addconf(char*, char*);
-void	addscsicard(char*, Scsiio (*)(int, ISAConf*));
+void	addscsilink(char*, Scsiio (*)(int, ISAConf*));
 void	bbinit(void);
 void	bigcursor(void);
 void	bootargs(ulong);
@@ -125,3 +125,7 @@ ulong	ifunroute(ulong);
 void	parseip(char*, char*);
 
 #define	dcflush(a, b)
+
+int scsibtissue(int, int, uchar*, int, uchar*, int);
+Scsiio scsibt24(int, int, ISAConf*);
+Scsiio scsibt32(int, int, ISAConf*);
diff --git a/pc/scsi.c b/pc/scsi.c
index d9e8d256e74678169d4d3ba48c5035b993205ef1..f09e6a43b407a35df7761ab4ab306746b5f1a2ef 100644
--- a/pc/scsi.c
+++ b/pc/scsi.c
@@ -25,28 +25,38 @@ typedef struct {
 
 static Ctlr *scsi[MaxScsi];
 
-static struct {
+typedef struct Link Link;
+typedef struct Link {
 	char	*type;
 	Scsiio	(*reset)(int, ISAConf*);
-} cards[MaxScsi+1];
+
+	Link*	link;
+} Link;
+
+static Link *link;
+static int linkcount;
 
 void
-addscsicard(char *t, Scsiio (*r)(int, ISAConf*))
+addscsilink(char *t, Scsiio (*r)(int, ISAConf*))
 {
-	static int ncard;
+	Link *lp;
+
+	if((lp = xalloc(sizeof(Link))) == 0)
+		return;
+	lp->type = t;
+	lp->reset = r;
 
-	if(ncard == MaxScsi)
-		panic("too many scsi cards\n");
-	cards[ncard].type = t;
-	cards[ncard].reset = r;
-	ncard++;
+	lp->link = link;
+	link = lp;
+	linkcount++;
 }
 
 void
 scsireset(void)
 {
 	Ctlr *ctlr;
-	int ctlrno, n, t;
+	int ctlrno, t;
+	Link *lp;
 
 	for(ctlr = 0, ctlrno = 0; ctlrno < MaxScsi; ctlrno++){
 		if(ctlr == 0)
@@ -54,15 +64,18 @@ scsireset(void)
 		memset(ctlr, 0, sizeof(Ctlr));
 		if(isaconfig("scsi", ctlrno, ctlr) == 0)
 			continue;
-		for(n = 0; cards[n].type; n++){
-			if(strcmp(cards[n].type, ctlr->type))
+		for(lp = link; lp; lp = lp->link){
+			if(strcmp(lp->type, ctlr->type))
 				continue;
-			if((ctlr->io = (*cards[n].reset)(ctlrno, ctlr)) == 0)
+			if((ctlr->io = (*lp->reset)(ctlrno, ctlr)) == 0)
 				break;
 
-			print("scsi%d: %s: port %lux irq %d addr %lux size %d\n",
+			print("scsi%d: %s: port %lux irq %d",
 				ctlrno, ctlr->type, ctlr->port,
 				ctlr->irq, ctlr->mem, ctlr->size);
+			if(ctlr->mem)
+				print(" addr %lux size %d\n", ctlr->mem, ctlr->size);
+			print("\n");
 
 			for(t = 0; t < NTarget; t++){
 				ctlr->target[t].ctlrno = ctlrno;