Submitted by: Wolfgang Stanglmeier <wolf@dentaro.GUN.de>

Debugging option changed, getirr() removed.
This commit is contained in:
se 1994-10-13 01:11:13 +00:00
parent 0c56fbbdfb
commit 7a47a0760a
2 changed files with 148 additions and 596 deletions

View File

@ -1,6 +1,6 @@
/**************************************************************************
**
** $Id: ncr.c,v 1.7 1994/10/12 02:33:19 se Exp $
** $Id: ncr.c,v 1.8 1994/10/12 04:17:24 se Exp $
**
** Device driver for the NCR 53C810 PCI-SCSI-Controller.
**
@ -57,15 +57,6 @@
**==========================================================
*/
/*
** Enable/Disable debug messages.
** Can be changed at runtime too.
*/
#ifndef SCSI_NCR_DEBUG
#define SCSI_NCR_DEBUG (0)
#endif /* SCSI_NCR_DEBUG */
/*
** SCSI address of this device.
** The boot routines should have set it.
@ -189,7 +180,7 @@
#ifdef __NetBSD__
#include <sys/device.h>
#include <i386/pci/pcivar.h>
#endif
#endif /* __NetBSD */
#include <i386/pci/pcireg.h>
#include <scsi/scsi_all.h>
@ -203,8 +194,6 @@
**==========================================================
*/
#ifdef SCSI_NCR_DEBUG
#define DEBUG_ALLOC (0x0001)
#define DEBUG_PHASE (0x0002)
#define DEBUG_POLL (0x0004)
@ -219,11 +208,18 @@
#define DEBUG_FREEZE (0x0800)
#define DEBUG_RESTART (0x1000)
int ncr_debug = SCSI_NCR_DEBUG;
/*
** Enable/Disable debug messages.
** Can be changed at runtime too.
*/
#ifdef SCSI_DEBUG_FLAGS
#define DEBUG_FLAGS ncr_debug;
#else /* SCSI_DEBUG_FLAGS */
#define SCSI_DEBUG_FLAGS 0
#define DEBUG_FLAGS 0
#endif /* SCSI_DEBUG_FLAGS */
#else /* SCSI_NCR_DEBUG */
int ncr_debug = 0;
#endif /* SCSI_NCR_DEBUG */
/*==========================================================
@ -938,9 +934,9 @@ struct ncb {
#ifdef __NetBSD__
struct device sc_dev;
struct intrhand sc_ih;
#else
#else /* !__NetBSD__ */
int unit;
#endif
#endif /* __NetBSD__ */
/*-----------------------------------------------
** Scripts ..
@ -1027,10 +1023,6 @@ struct ncb {
u_short ticks;
u_short latetime;
u_long lasttime;
#ifndef __NetBSD__
u_short imask;
u_short mcount;
#endif
/*-----------------------------------------------
** Debug and profiling
@ -1195,7 +1187,7 @@ static void ncr_int_sir (ncb_p np);
static void ncr_int_sto (ncb_p np);
#ifndef NEW_SCSICONF
static u_long ncr_lookup (char* id);
#endif
#endif /* NEW_SCSICONF */
static void ncr_min_phys (struct buf *bp);
static void ncr_negotiate (struct ncb* np, struct tcb* tp);
static void ncr_opennings (ncb_p np, lcb_p lp, struct scsi_xfer * xp);
@ -1218,109 +1210,11 @@ static void ncr_wakeup (ncb_p np, u_long code);
#ifdef __NetBSD__
static int ncr_probe (struct device *, struct device *, void *);
static void ncr_attach (struct device *, struct device *, void *);
#else
#else /* !__NetBSD */
static char* ncr_probe (pcici_t tag, pcidi_t type);
static void ncr_attach (pcici_t tag, int unit);
#endif
/*==========================================================
**
**
** Access to processor ports.
**
**
**==========================================================
*/
#ifdef DIRTY
#ifdef __NetBSD__
#include <i386/include/cpufunc.h>
#include <i386/include/pio.h>
#include <i386/isa/isareg.h>
#define DELAY(x) delay(x)
#else /* !__NetBSD__ */
#include <i386/isa/isa.h>
#ifdef ANCIENT
/*
** Doch das ist alles nur geklaut ..
** aus: 386bsd:/sys/i386/include/pio.h
**
** Mach Operating System
** Copyright (c) 1990 Carnegie-Mellon University
** All rights reserved. The CMU software License Agreement specifies
** the terms and conditions for use and redistribution.
*/
#undef inb
#define inb(port) \
({ unsigned char data; \
__asm __volatile("inb %1, %0": "=a" (data): "d" ((u_short)(port))); \
data; })
#undef outb
#define outb(port, data) \
{__asm __volatile("outb %0, %1"::"a" ((u_char)(data)), "d" ((u_short)(port)));}
#define disable_intr() \
{__asm __volatile("cli");}
#define enable_intr() \
{__asm __volatile("sti");}
#endif /* ANCIENT */
/*------------------------------------------------------------------
**
** getirr: get a bit vector of the pending interrupts.
**
** NOTE: this is HIGHLY hardware dependent :-(
**
**------------------------------------------------------------------
*/
static u_long getirr (void)
{
u_long mask;
disable_intr();
#ifndef __FreeBSD__
/*
** XXX FreeBSD defaults to having the irr selected at all times,
** so this is unnecessary.
*/
outb (IO_ICU2, 0x0a);
#endif
mask = inb (IO_ICU2);
#ifndef __FreeBSD__
/*
** XXX FreeBSD defaults to having the irr selected at all times,
** so this breaks things.
*/
outb (IO_ICU2, 0x0b);
#endif
mask <<= 8;
#ifndef __FreeBSD__
outb (IO_ICU1, 0x0a);
#endif
mask|= inb (IO_ICU1);
#ifndef __FreeBSD__
outb (IO_ICU1, 0x0b);
#endif
enable_intr();
return (mask);
}
#endif /* __NetBSD__ */
#else /* DIRTY */
#define getirr() (0)
#endif /* DIRTY */
#endif /* KERNEL */
/*==========================================================
@ -1334,7 +1228,7 @@ static u_long getirr (void)
static char ident[] =
"\n$Id: ncr.c,v 1.7 1994/10/12 02:33:19 se Exp $\n";
"\n$Id: ncr.c,v 2.12 94/10/12 18:30:05 wolf Exp $\n";
u_long ncr_version = NCR_VERSION
+ (u_long) sizeof (struct ncb)
@ -1349,7 +1243,9 @@ u_long nncr=MAX_UNITS;
ncb_p ncrp [MAX_UNITS];
#endif
int ncr_cache; /* may _NOT_ be static */
static int ncr_debug = SCSI_DEBUG_FLAGS;
int ncr_cache; /* to be alligned _NOT_ static */
/*
** SCSI cmd to get the SCSI sense data
@ -3082,11 +2978,9 @@ static void ncr_script_copy_and_bind (struct script *script, ncb_p np)
DELAY (1000000);
};
#ifdef SCSI_NCR_DEBUG
if (ncr_debug & DEBUG_SCRIPT)
if (DEBUG_FLAGS & DEBUG_SCRIPT)
printf ("%x: <%x>\n",
(unsigned)(src-1), (unsigned)opcode);
#endif /* SCSI_NCR_DEBUG */
/*
** We don't have to decode ALL commands
@ -3439,7 +3333,7 @@ static void ncr_attach (pcici_t config_id, int unit)
ncr_name (np));
DELAY (1000000);
#endif
printf ("%s scanning for targets 0..%d ($Revision: 1.7 $)\n",
printf ("%s scanning for targets 0..%d ($Revision: 2.12 $)\n",
ncr_name (np), MAX_TARGET-1);
/*
@ -3494,9 +3388,7 @@ ncr_intr(np)
{
int n = 0;
#ifdef SCSI_NCR_DEBUG
if (ncr_debug & DEBUG_TINY) printf ("[");
#endif /* SCSI_NCR_DEBUG */
if (DEBUG_FLAGS & DEBUG_TINY) printf ("[");
if (INB(nc_istat) & (INTF|SIP|DIP)) {
/*
@ -3510,9 +3402,7 @@ ncr_intr(np)
np->ticks = 100;
};
#ifdef SCSI_NCR_DEBUG
if (ncr_debug & DEBUG_TINY) printf ("]\n");
#endif /* SCSI_NCR_DEBUG */
if (DEBUG_FLAGS & DEBUG_TINY) printf ("]\n");
return (n);
}
@ -3619,13 +3509,11 @@ static INT32 ncr_start (struct scsi_xfer * xp)
};
#endif /* ANCIENT */
#ifdef SCSI_NCR_DEBUG
if (ncr_debug & DEBUG_TINY) {
if (DEBUG_FLAGS & DEBUG_TINY) {
PRINT_ADDR(xp);
printf ("CMD=%x F=%x L=%x ", cmd->opcode,
(unsigned)xp->flags, (unsigned) xp->datalen);
}
#endif /* SCSI_NCR_DEBUG */
/*--------------------------------------------
**
@ -3751,16 +3639,14 @@ static INT32 ncr_start (struct scsi_xfer * xp)
cp2 = cp2->next_ccb;
if (cp2) continue;
cp->tag=lp->lasttag;
#ifdef SCSI_NCR_DEBUG
if (ncr_debug & DEBUG_TAGS) {
if (DEBUG_FLAGS & DEBUG_TAGS) {
PRINT_ADDR(xp);
printf ("using tag #%d.\n", cp->tag);
};
#endif /* SCSI_NCR_DEBUG */
};
} else {
cp->tag=0;
#if !defined(ANCIENT) && !defined(__NetBSD__)
#if !defined(ANCIENT) && !defined(__NetBSD__) && !(__FreeBSD__ >= 2)
/*
** @GENSCSI@ Bug in "/sys/scsi/cd.c"
**
@ -3821,28 +3707,24 @@ static INT32 ncr_start (struct scsi_xfer * xp)
cp -> scsi_smsg [msglen++] = M_X_SYNC_REQ;
cp -> scsi_smsg [msglen++] = tp->minsync;
cp -> scsi_smsg [msglen++] = tp->maxoffs;
#ifdef SCSI_NCR_DEBUG
if (ncr_debug & DEBUG_NEGO) {
if (DEBUG_FLAGS & DEBUG_NEGO) {
PRINT_ADDR(cp->xfer);
printf ("sync msgout: ");
ncr_show_msg (&cp->scsi_smsg [msglen-5]);
printf (".\n");
};
#endif /* SCSI_NCR_DEBUG */
break;
case NS_WIDE:
cp -> scsi_smsg [msglen++] = M_EXTENDED;
cp -> scsi_smsg [msglen++] = 2;
cp -> scsi_smsg [msglen++] = M_X_WIDE_REQ;
cp -> scsi_smsg [msglen++] = tp->usrwide;
#ifdef SCSI_NCR_DEBUG
if (ncr_debug & DEBUG_NEGO) {
if (DEBUG_FLAGS & DEBUG_NEGO) {
PRINT_ADDR(cp->xfer);
printf ("wide msgout: ");
ncr_show_msg (&cp->scsi_smsg [msglen-4]);
printf (".\n");
};
#endif /* SCSI_NCR_DEBUG */
break;
};
@ -3978,13 +3860,11 @@ static INT32 ncr_start (struct scsi_xfer * xp)
np->squeue [np->squeueput] = vtophys(&cp->phys);
np->squeueput = ptr;
#ifdef SCSI_NCR_DEBUG
if(ncr_debug & DEBUG_QUEUE)
if(DEBUG_FLAGS & DEBUG_QUEUE)
printf ("%s: queuepos=%d tryoffset=%d.\n", ncr_name (np),
np->squeueput,
(unsigned)(np->script->startpos[0]-
(vtophys(&np->script->tryloop))));
#endif /* SCSI_NCR_DEBUG */
/*
** Script processor may be waiting for reconnect.
@ -4001,9 +3881,7 @@ static INT32 ncr_start (struct scsi_xfer * xp)
if (!(flags & SCSI_NOMASK)) {
splx (oldspl);
if (np->lasttime) {
#ifdef SCSI_NCR_DEBUG
if(ncr_debug & DEBUG_TINY) printf ("Q");
#endif /* SCSI_NCR_DEBUG */
if(DEBUG_FLAGS & DEBUG_TINY) printf ("Q");
return(SUCCESSFULLY_QUEUED);
};
};
@ -4015,15 +3893,11 @@ static INT32 ncr_start (struct scsi_xfer * xp)
**----------------------------------------------------
*/
#ifdef SCSI_NCR_DEBUG
if (ncr_debug & DEBUG_POLL) printf("P");
#endif /* SCSI_NCR_DEBUG */
if (DEBUG_FLAGS & DEBUG_POLL) printf("P");
for (i=xp->timeout; i && !(xp->flags & ITSDONE);i--) {
#ifdef SCSI_NCR_DEBUG
if ((ncr_debug & DEBUG_POLL) && (cp->host_status))
if ((DEBUG_FLAGS & DEBUG_POLL) && (cp->host_status))
printf ("%c", (cp->host_status & 0xf) + '0');
#endif /* SCSI_NCR_DEBUG */
DELAY (1000);
ncr_exception (np);
};
@ -4050,12 +3924,10 @@ static INT32 ncr_start (struct scsi_xfer * xp)
ncr_complete (np, cp);
};
#ifdef SCSI_NCR_DEBUG
if (ncr_debug & DEBUG_RESULT) {
if (DEBUG_FLAGS & DEBUG_RESULT) {
printf ("%s: result: %x %x.\n",
ncr_name (np), cp->host_status, cp->scsi_status);
};
#endif /* SCSI_NCR_DEBUG */
if (!(flags & SCSI_NOMASK))
return (SUCCESSFULLY_QUEUED);
switch (xp->error) {
@ -4104,11 +3976,9 @@ void ncr_complete (ncb_p np, ccb_p cp)
*/
ncb_profile (np, cp);
#ifdef SCSI_NCR_DEBUG
if (ncr_debug & DEBUG_TINY)
if (DEBUG_FLAGS & DEBUG_TINY)
printf ("CCB=%x STAT=%x/%x\n", (unsigned)cp & 0xfff,
cp->host_status,cp->scsi_status);
#endif /* SCSI_NCR_DEBUG */
xp = cp->xfer;
cp->xfer = NULL;
@ -4238,15 +4108,13 @@ void ncr_complete (ncb_p np, ccb_p cp)
*/
xp->error = XS_SENSE;
#ifdef SCSI_NCR_DEBUG
if (ncr_debug & (DEBUG_RESULT|DEBUG_TINY)) {
if (DEBUG_FLAGS & (DEBUG_RESULT|DEBUG_TINY)) {
u_char * p = (u_char*) & xp->sense;
int i;
printf ("\n%s: sense data:", ncr_name (np));
for (i=0; i<14; i++) printf (" %x", *p++);
printf (".\n");
};
#endif /* SCSI_NCR_DEBUG */
} else if ((cp->host_status == HS_COMPLETE)
&& (cp->scsi_status == S_BUSY)) {
@ -4363,9 +4231,7 @@ void ncr_wakeup (ncb_p np, u_long code)
break;
case HS_DISCONNECT:
#ifdef SCSI_NCR_DEBUG
if(ncr_debug & DEBUG_TINY) printf ("D");
#endif /* SCSI_NCR_DEBUG */
if(DEBUG_FLAGS & DEBUG_TINY) printf ("D");
/* fall through */
case HS_BUSY:
@ -4932,45 +4798,10 @@ static void ncr_timeout (ncb_p np)
*/
int oldspl = splbio ();
#ifndef __NetBSD__
u_long imask = getirr();
#endif
#ifdef SCSI_NCR_DEBUG
if (ncr_debug & DEBUG_TINY) printf ("{");
#endif /* SCSI_NCR_DEBUG */
if (DEBUG_FLAGS & DEBUG_TINY) printf ("{");
ncr_exception (np);
#ifdef SCSI_NCR_DEBUG
if (ncr_debug & DEBUG_TINY) printf ("}");
#endif /* SCSI_NCR_DEBUG */
#ifndef __NetBSD__
imask &=~getirr();
imask &=~(0x87); /* remove 7,2,1,0 */
if (DEBUG_FLAGS & DEBUG_TINY) printf ("}");
splx (oldspl);
/*
** automagically find int vector.
*/
if (imask) {
if ((imask != np->imask) && (np->mcount < 100))
np->mcount = 0;
np->imask = imask;
np->mcount++;
};
/*
** a hint to the user :-)
*/
if (np->mcount == 100) {
if (np->imask & (np->imask-1)) {
printf ("%s: uses one of the irq in %x.\n",
ncr_name (np), np->imask);
} else {
printf ("%s: please configure irq %d.\n",
ncr_name (np), ffs (np->imask)-1);
};
np->mcount++;
};
#endif
};
}
@ -4993,9 +4824,7 @@ void ncr_exception (ncb_p np)
** interrupt on the fly ?
*/
while ((istat = INB (nc_istat)) & INTF) {
#ifdef SCSI_NCR_DEBUG
if (ncr_debug & DEBUG_TINY) printf ("F");
#endif /* SCSI_NCR_DEBUG */
if (DEBUG_FLAGS & DEBUG_TINY) printf ("F");
OUTB (nc_istat, INTF);
np->profile.num_fly++;
ncr_wakeup (np, 0);
@ -5012,14 +4841,12 @@ void ncr_exception (ncb_p np)
sist = INW (nc_sist) ;
np->profile.num_int++;
#ifdef SCSI_NCR_DEBUG
if (ncr_debug & DEBUG_TINY)
if (DEBUG_FLAGS & DEBUG_TINY)
printf ("<%d|%x:%x|%x:%x>",
INB(nc_scr0),
dstat,sist,
(unsigned)INL(nc_dsp),
(unsigned)INL(nc_dbc));
#endif /* SCSI_NCR_DEBUG */
if ((dstat==DFE) && (sist==PAR)) return;
/*==========================================================
@ -5189,12 +5016,11 @@ void ncr_exception (ncb_p np)
OUTB (nc_ctest3, CLF); /* clear scsi offsets */
}
#ifdef SCSI_NCR_DEBUG
/*
** Freeze controller to be able to read the messages.
*/
if (ncr_debug & DEBUG_FREEZE) {
if (DEBUG_FLAGS & DEBUG_FREEZE) {
int i;
unsigned char val;
for (i=0; i<0x60; i++) {
@ -5224,7 +5050,6 @@ void ncr_exception (ncb_p np)
OUTB (nc_istat, SRST);
return;
};
#endif /* SCSI_NCR_DEBUG */
/*
** sorry, have to kill ALL jobs ...
@ -5253,9 +5078,7 @@ void ncr_int_sto (ncb_p np)
{
u_long dsa, scratcha, diff;
ccb_p cp;
#ifdef SCSI_NCR_DEBUG
if (ncr_debug & DEBUG_TINY) printf ("T");
#endif /* SCSI_NCR_DEBUG */
if (DEBUG_FLAGS & DEBUG_TINY) printf ("T");
/*
** look for ccb and set the status.
@ -5372,22 +5195,20 @@ static void ncr_int_ma (ncb_p np)
nxtdsp = dsp;
};
#ifdef SCSI_NCR_DEBUG
/*
** log the information
*/
if (ncr_debug & (DEBUG_TINY|DEBUG_PHASE)) {
if (DEBUG_FLAGS & (DEBUG_TINY|DEBUG_PHASE)) {
printf ("P%d%d ",cmd&7, sbcl&7);
printf ("RL=%d D=%d SS0=%x ",
(unsigned) rest, (unsigned) delta, ss0);
};
if (ncr_debug & DEBUG_PHASE) {
if (DEBUG_FLAGS & DEBUG_PHASE) {
printf ("\nCP=%x CP2=%x DSP=%x NXT=%x VDSP=%x CMD=%x ",
(unsigned)cp, (unsigned)np->header.cp,
(unsigned)dsp,
(unsigned)nxtdsp, (unsigned)vdsp, cmd);
};
#endif /* SCSI_NCR_DEBUG */
/*
** get old startaddress and old length.
@ -5404,15 +5225,13 @@ static void ncr_int_ma (ncb_p np)
olen = vdsp[0] & 0xffffff;
};
#ifdef SCSI_NCR_DEBUG
if (ncr_debug & DEBUG_PHASE) {
if (DEBUG_FLAGS & DEBUG_PHASE) {
printf ("OCMD=%x\nTBLP=%x OLEN=%x OADR=%x\n",
(unsigned) (vdsp[0] >> 24),
(unsigned) tblp,
(unsigned) olen,
(unsigned) oadr);
};
#endif /* SCSI_NCR_DEBUG */
/*
** if old phase not dataphase, leave here.
@ -5446,8 +5265,7 @@ static void ncr_int_ma (ncb_p np)
newcmd[2] = SCR_JUMP;
newcmd[3] = nxtdsp;
#ifdef SCSI_NCR_DEBUG
if (ncr_debug & DEBUG_PHASE) {
if (DEBUG_FLAGS & DEBUG_PHASE) {
PRINT_ADDR(cp->xfer);
printf ("newcmd[%d] %x %x %x %x.\n",
newcmd - cp->patch,
@ -5456,7 +5274,6 @@ static void ncr_int_ma (ncb_p np)
(unsigned)newcmd[2],
(unsigned)newcmd[3]);
}
#endif /* SCSI_NCR_DEBUG */
/*
** fake the return address (to the patch).
** and restart script processor at dispatcher.
@ -5501,9 +5318,7 @@ void ncr_int_sir (ncb_p np)
u_char target = INB (nc_ctest0) & 7;
tcb_p tp = &np->target[target];
int i;
#ifdef SCSI_NCR_DEBUG
if (ncr_debug & DEBUG_TINY) printf ("I#%d", num);
#endif /* SCSI_NCR_DEBUG */
if (DEBUG_FLAGS & DEBUG_TINY) printf ("I#%d", num);
switch (num) {
case SIR_SENSE_RESTART:
@ -5541,38 +5356,26 @@ void ncr_int_sir (ncb_p np)
**------------------------------------------
*/
#ifdef NCR_DEBUG
if (ncr_debug & DEBUG_RESTART)
if (DEBUG_FLAGS & DEBUG_RESTART)
printf ("%s: int#%d",ncr_name (np),num);
#endif /* SCSI_NCR_DEBUG */
cp = (ccb_p) 0;
for (i=0; i<MAX_TARGET; i++) {
#ifdef NCR_DEBUG
if (ncr_debug & DEBUG_RESTART) printf (" t%d", i);
#endif /* SCSI_NCR_DEBUG */
if (DEBUG_FLAGS & DEBUG_RESTART) printf (" t%d", i);
tp = &np->target[i];
#ifdef NCR_DEBUG
if (ncr_debug & DEBUG_RESTART) printf ("+");
#endif /* SCSI_NCR_DEBUG */
if (DEBUG_FLAGS & DEBUG_RESTART) printf ("+");
cp = tp->hold_cp;
if (!cp) continue;
#ifdef NCR_DEBUG
if (ncr_debug & DEBUG_RESTART) printf ("+");
#endif /* SCSI_NCR_DEBUG */
if (DEBUG_FLAGS & DEBUG_RESTART) printf ("+");
if ((cp->host_status==HS_BUSY) &&
(cp->scsi_status==S_CHECK_COND))
break;
#ifdef NCR_DEBUG
if (ncr_debug & DEBUG_RESTART) printf ("- (remove)");
#endif /* SCSI_NCR_DEBUG */
if (DEBUG_FLAGS & DEBUG_RESTART) printf ("- (remove)");
tp->hold_cp = cp = (ccb_p) 0;
};
if (cp) {
#ifdef NCR_DEBUG
if (ncr_debug & DEBUG_RESTART)
if (DEBUG_FLAGS & DEBUG_RESTART)
printf ("+ restart job ..\n");
#endif /* SCSI_NCR_DEBUG */
OUTL (nc_dsa, vtophys (&cp->phys));
OUTL (nc_dsp, vtophys (&np->script->getcc));
return;
@ -5581,9 +5384,7 @@ void ncr_int_sir (ncb_p np)
/*
** no job, resume normal processing
*/
#ifdef NCR_DEBUG
if (ncr_debug & DEBUG_RESTART) printf (" -- remove trap\n");
#endif /* SCSI_NCR_DEBUG */
if (DEBUG_FLAGS & DEBUG_RESTART) printf (" -- remove trap\n");
np->script->start0[0] = SCR_INT ^ IFFALSE (0);
break;
@ -5595,11 +5396,9 @@ void ncr_int_sir (ncb_p np)
**-------------------------------------------
*/
PRINT_ADDR(cp->xfer);
#ifdef NCR_DEBUG
if (ncr_debug & DEBUG_RESTART)
if (DEBUG_FLAGS & DEBUG_RESTART)
printf ("in getcc reselect by t%d.\n",
INB(nc_ssid)&7);
#endif /* SCSI_NCR_DEBUG */
/*
** Mark this job
@ -5694,13 +5493,13 @@ void ncr_int_sir (ncb_p np)
**
**-------------------------------------------------------
*/
#ifdef SCSI_NCR_DEBUG
if (ncr_debug & DEBUG_NEGO) {
if (DEBUG_FLAGS & DEBUG_NEGO) {
PRINT_ADDR(cp->xfer);
printf ("negotiation failed sir=%x status=%x.\n",
num, cp->nego_status);
};
#endif /* SCSI_NCR_DEBUG */
/*
** any error in negotiation:
** fall back to default mode.
@ -5726,14 +5525,13 @@ void ncr_int_sir (ncb_p np)
/*
** Synchronous request message received.
*/
#ifdef SCSI_NCR_DEBUG
if (ncr_debug & DEBUG_NEGO) {
if (DEBUG_FLAGS & DEBUG_NEGO) {
PRINT_ADDR(cp->xfer);
printf ("sync msgin: ");
(void) ncr_show_msg (np->msgin);
printf (".\n");
};
#endif /* SCSI_NCR_DEBUG */
/*
** get requested values.
@ -5770,13 +5568,11 @@ void ncr_int_sir (ncb_p np)
if (ofs && (fak>7)) {chg = 1; ofs = 0;}
if (!ofs) fak=7;
#ifdef SCSI_NCR_DEBUG
if (ncr_debug & DEBUG_NEGO) {
if (DEBUG_FLAGS & DEBUG_NEGO) {
PRINT_ADDR(cp->xfer);
printf ("sync: per=%d ofs=%d fak=%d chg=%d.\n",
per, ofs, fak, chg);
}
#endif /* SCSI_NCR_DEBUG */
if (INB (HS_PRT) == HS_NEGOTIATE) {
OUTB (HS_PRT, HS_BUSY);
@ -5824,28 +5620,24 @@ void ncr_int_sir (ncb_p np)
cp->nego_status = NS_SYNC;
#ifdef SCSI_NCR_DEBUG
if (ncr_debug & DEBUG_NEGO) {
if (DEBUG_FLAGS & DEBUG_NEGO) {
PRINT_ADDR(cp->xfer);
printf ("sync msgout: ");
(void) ncr_show_msg (np->msgin);
printf (".\n");
}
#endif /* SCSI_NCR_DEBUG */
break;
case SIR_NEGO_WIDE:
/*
** Wide request message received.
*/
#ifdef SCSI_NCR_DEBUG
if (ncr_debug & DEBUG_NEGO) {
if (DEBUG_FLAGS & DEBUG_NEGO) {
PRINT_ADDR(cp->xfer);
printf ("wide msgin: ");
(void) ncr_show_msg (np->msgin);
printf (".\n");
};
#endif /* SCSI_NCR_DEBUG */
/*
** get requested values.
@ -5869,12 +5661,10 @@ void ncr_int_sir (ncb_p np)
if (wide > tp->usrwide)
{chg = 1; wide = tp->usrwide;}
#ifdef SCSI_NCR_DEBUG
if (ncr_debug & DEBUG_NEGO) {
if (DEBUG_FLAGS & DEBUG_NEGO) {
PRINT_ADDR(cp->xfer);
printf ("wide: wide=%d chg=%d.\n", wide, chg);
}
#endif /* SCSI_NCR_DEBUG */
if (INB (HS_PRT) == HS_NEGOTIATE) {
OUTB (HS_PRT, HS_BUSY);
@ -5921,14 +5711,12 @@ void ncr_int_sir (ncb_p np)
cp->nego_status = NS_WIDE;
#ifdef SCSI_NCR_DEBUG
if (ncr_debug & DEBUG_NEGO) {
if (DEBUG_FLAGS & DEBUG_NEGO) {
PRINT_ADDR(cp->xfer);
printf ("wide msgout: ");
(void) ncr_show_msg (np->msgin);
printf (".\n");
}
#endif /* SCSI_NCR_DEBUG */
break;
/*--------------------------------------------------------------------
@ -6272,12 +6060,10 @@ static void ncr_alloc_ccb (ncb_p np, struct scsi_xfer * xp)
if (!cp)
return;
#ifdef SCSI_NCR_DEBUG
if (ncr_debug & DEBUG_ALLOC) {
if (DEBUG_FLAGS & DEBUG_ALLOC) {
PRINT_ADDR(xp);
printf ("new ccb @%x.\n", (unsigned) cp);
}
#endif /* SCSI_NCR_DEBUG */
/*
** Count it
@ -6342,11 +6128,9 @@ static void ncr_opennings (ncb_p np, lcb_p lp, struct scsi_xfer * xp)
xp->sc_link->opennings -= diff;
lp->actlink -= diff;
#ifdef SCSI_NCR_DEBUG
if (ncr_debug & DEBUG_TAGS)
if (DEBUG_FLAGS & DEBUG_TAGS)
printf ("%s: actlink: diff=%d, new=%d, req=%d\n",
ncr_name(np), diff, lp->actlink, lp->reqlink);
#endif /* SCSI_NCR_DEBUG */
return;
};
@ -6359,11 +6143,9 @@ static void ncr_opennings (ncb_p np, lcb_p lp, struct scsi_xfer * xp)
xp->sc_link->opennings += diff;
lp->actlink += diff;
wakeup ((caddr_t) xp->sc_link);
#ifdef SCSI_NCR_DEBUG
if (ncr_debug & DEBUG_TAGS)
if (DEBUG_FLAGS & DEBUG_TAGS)
printf ("%s: actlink: diff=%d, new=%d, req=%d\n",
ncr_name(np), diff, lp->actlink, lp->reqlink);
#endif
};
#endif
}
@ -6419,11 +6201,9 @@ static int ncr_scatter
while ((chunk * free >= 2 * datalen) && (chunk>=1024))
chunk /= 2;
#ifdef SCSI_NCR_DEBUG
if(ncr_debug & DEBUG_SCATTER)
if(DEBUG_FLAGS & DEBUG_SCATTER)
printf("ncr?:\tscattering virtual=0x%x size=%d chunk=%d.\n",
(unsigned) vaddr, (unsigned) datalen, (unsigned) chunk);
#endif /* SCSI_NCR_DEBUG */
/*
** Build data descriptors.
@ -6461,14 +6241,12 @@ static int ncr_scatter
paddr = vtophys (vaddr);
};
#ifdef SCSI_NCR_DEBUG
if(ncr_debug & DEBUG_SCATTER)
if(DEBUG_FLAGS & DEBUG_SCATTER)
printf ("\tseg #%d addr=%x size=%d (rest=%d).\n",
segment,
(unsigned) segaddr,
(unsigned) segsize,
(unsigned) datalen);
#endif /* SCSI_NCR_DEBUG */
phys->data[segment].addr = segaddr;
phys->data[segment].size = segsize;
@ -6715,11 +6493,9 @@ static void ncr_getclock (ncb_p np)
if (f>4) f=4;
np -> ns_async = (ns_clock * tbl[f]) / 2;
np -> rv_scntl3 |= f;
#ifdef SCSI_NCR_DEBUG
if (ncr_debug & DEBUG_TIMING)
if (DEBUG_FLAGS & DEBUG_TIMING)
printf ("%s: sclk=%d async=%d sync=%d (ns) scntl3=0x%x\n",
ncr_name (np), ns_clock, np->ns_async, np->ns_sync, np->rv_scntl3);
#endif /* SCSI_NCR_DEBUG */
}
/*=========================================================================*/

View File

@ -1,6 +1,6 @@
/**************************************************************************
**
** $Id: ncr.c,v 1.7 1994/10/12 02:33:19 se Exp $
** $Id: ncr.c,v 1.8 1994/10/12 04:17:24 se Exp $
**
** Device driver for the NCR 53C810 PCI-SCSI-Controller.
**
@ -57,15 +57,6 @@
**==========================================================
*/
/*
** Enable/Disable debug messages.
** Can be changed at runtime too.
*/
#ifndef SCSI_NCR_DEBUG
#define SCSI_NCR_DEBUG (0)
#endif /* SCSI_NCR_DEBUG */
/*
** SCSI address of this device.
** The boot routines should have set it.
@ -189,7 +180,7 @@
#ifdef __NetBSD__
#include <sys/device.h>
#include <i386/pci/pcivar.h>
#endif
#endif /* __NetBSD */
#include <i386/pci/pcireg.h>
#include <scsi/scsi_all.h>
@ -203,8 +194,6 @@
**==========================================================
*/
#ifdef SCSI_NCR_DEBUG
#define DEBUG_ALLOC (0x0001)
#define DEBUG_PHASE (0x0002)
#define DEBUG_POLL (0x0004)
@ -219,11 +208,18 @@
#define DEBUG_FREEZE (0x0800)
#define DEBUG_RESTART (0x1000)
int ncr_debug = SCSI_NCR_DEBUG;
/*
** Enable/Disable debug messages.
** Can be changed at runtime too.
*/
#ifdef SCSI_DEBUG_FLAGS
#define DEBUG_FLAGS ncr_debug;
#else /* SCSI_DEBUG_FLAGS */
#define SCSI_DEBUG_FLAGS 0
#define DEBUG_FLAGS 0
#endif /* SCSI_DEBUG_FLAGS */
#else /* SCSI_NCR_DEBUG */
int ncr_debug = 0;
#endif /* SCSI_NCR_DEBUG */
/*==========================================================
@ -938,9 +934,9 @@ struct ncb {
#ifdef __NetBSD__
struct device sc_dev;
struct intrhand sc_ih;
#else
#else /* !__NetBSD__ */
int unit;
#endif
#endif /* __NetBSD__ */
/*-----------------------------------------------
** Scripts ..
@ -1027,10 +1023,6 @@ struct ncb {
u_short ticks;
u_short latetime;
u_long lasttime;
#ifndef __NetBSD__
u_short imask;
u_short mcount;
#endif
/*-----------------------------------------------
** Debug and profiling
@ -1195,7 +1187,7 @@ static void ncr_int_sir (ncb_p np);
static void ncr_int_sto (ncb_p np);
#ifndef NEW_SCSICONF
static u_long ncr_lookup (char* id);
#endif
#endif /* NEW_SCSICONF */
static void ncr_min_phys (struct buf *bp);
static void ncr_negotiate (struct ncb* np, struct tcb* tp);
static void ncr_opennings (ncb_p np, lcb_p lp, struct scsi_xfer * xp);
@ -1218,109 +1210,11 @@ static void ncr_wakeup (ncb_p np, u_long code);
#ifdef __NetBSD__
static int ncr_probe (struct device *, struct device *, void *);
static void ncr_attach (struct device *, struct device *, void *);
#else
#else /* !__NetBSD */
static char* ncr_probe (pcici_t tag, pcidi_t type);
static void ncr_attach (pcici_t tag, int unit);
#endif
/*==========================================================
**
**
** Access to processor ports.
**
**
**==========================================================
*/
#ifdef DIRTY
#ifdef __NetBSD__
#include <i386/include/cpufunc.h>
#include <i386/include/pio.h>
#include <i386/isa/isareg.h>
#define DELAY(x) delay(x)
#else /* !__NetBSD__ */
#include <i386/isa/isa.h>
#ifdef ANCIENT
/*
** Doch das ist alles nur geklaut ..
** aus: 386bsd:/sys/i386/include/pio.h
**
** Mach Operating System
** Copyright (c) 1990 Carnegie-Mellon University
** All rights reserved. The CMU software License Agreement specifies
** the terms and conditions for use and redistribution.
*/
#undef inb
#define inb(port) \
({ unsigned char data; \
__asm __volatile("inb %1, %0": "=a" (data): "d" ((u_short)(port))); \
data; })
#undef outb
#define outb(port, data) \
{__asm __volatile("outb %0, %1"::"a" ((u_char)(data)), "d" ((u_short)(port)));}
#define disable_intr() \
{__asm __volatile("cli");}
#define enable_intr() \
{__asm __volatile("sti");}
#endif /* ANCIENT */
/*------------------------------------------------------------------
**
** getirr: get a bit vector of the pending interrupts.
**
** NOTE: this is HIGHLY hardware dependent :-(
**
**------------------------------------------------------------------
*/
static u_long getirr (void)
{
u_long mask;
disable_intr();
#ifndef __FreeBSD__
/*
** XXX FreeBSD defaults to having the irr selected at all times,
** so this is unnecessary.
*/
outb (IO_ICU2, 0x0a);
#endif
mask = inb (IO_ICU2);
#ifndef __FreeBSD__
/*
** XXX FreeBSD defaults to having the irr selected at all times,
** so this breaks things.
*/
outb (IO_ICU2, 0x0b);
#endif
mask <<= 8;
#ifndef __FreeBSD__
outb (IO_ICU1, 0x0a);
#endif
mask|= inb (IO_ICU1);
#ifndef __FreeBSD__
outb (IO_ICU1, 0x0b);
#endif
enable_intr();
return (mask);
}
#endif /* __NetBSD__ */
#else /* DIRTY */
#define getirr() (0)
#endif /* DIRTY */
#endif /* KERNEL */
/*==========================================================
@ -1334,7 +1228,7 @@ static u_long getirr (void)
static char ident[] =
"\n$Id: ncr.c,v 1.7 1994/10/12 02:33:19 se Exp $\n";
"\n$Id: ncr.c,v 2.12 94/10/12 18:30:05 wolf Exp $\n";
u_long ncr_version = NCR_VERSION
+ (u_long) sizeof (struct ncb)
@ -1349,7 +1243,9 @@ u_long nncr=MAX_UNITS;
ncb_p ncrp [MAX_UNITS];
#endif
int ncr_cache; /* may _NOT_ be static */
static int ncr_debug = SCSI_DEBUG_FLAGS;
int ncr_cache; /* to be alligned _NOT_ static */
/*
** SCSI cmd to get the SCSI sense data
@ -3082,11 +2978,9 @@ static void ncr_script_copy_and_bind (struct script *script, ncb_p np)
DELAY (1000000);
};
#ifdef SCSI_NCR_DEBUG
if (ncr_debug & DEBUG_SCRIPT)
if (DEBUG_FLAGS & DEBUG_SCRIPT)
printf ("%x: <%x>\n",
(unsigned)(src-1), (unsigned)opcode);
#endif /* SCSI_NCR_DEBUG */
/*
** We don't have to decode ALL commands
@ -3439,7 +3333,7 @@ static void ncr_attach (pcici_t config_id, int unit)
ncr_name (np));
DELAY (1000000);
#endif
printf ("%s scanning for targets 0..%d ($Revision: 1.7 $)\n",
printf ("%s scanning for targets 0..%d ($Revision: 2.12 $)\n",
ncr_name (np), MAX_TARGET-1);
/*
@ -3494,9 +3388,7 @@ ncr_intr(np)
{
int n = 0;
#ifdef SCSI_NCR_DEBUG
if (ncr_debug & DEBUG_TINY) printf ("[");
#endif /* SCSI_NCR_DEBUG */
if (DEBUG_FLAGS & DEBUG_TINY) printf ("[");
if (INB(nc_istat) & (INTF|SIP|DIP)) {
/*
@ -3510,9 +3402,7 @@ ncr_intr(np)
np->ticks = 100;
};
#ifdef SCSI_NCR_DEBUG
if (ncr_debug & DEBUG_TINY) printf ("]\n");
#endif /* SCSI_NCR_DEBUG */
if (DEBUG_FLAGS & DEBUG_TINY) printf ("]\n");
return (n);
}
@ -3619,13 +3509,11 @@ static INT32 ncr_start (struct scsi_xfer * xp)
};
#endif /* ANCIENT */
#ifdef SCSI_NCR_DEBUG
if (ncr_debug & DEBUG_TINY) {
if (DEBUG_FLAGS & DEBUG_TINY) {
PRINT_ADDR(xp);
printf ("CMD=%x F=%x L=%x ", cmd->opcode,
(unsigned)xp->flags, (unsigned) xp->datalen);
}
#endif /* SCSI_NCR_DEBUG */
/*--------------------------------------------
**
@ -3751,16 +3639,14 @@ static INT32 ncr_start (struct scsi_xfer * xp)
cp2 = cp2->next_ccb;
if (cp2) continue;
cp->tag=lp->lasttag;
#ifdef SCSI_NCR_DEBUG
if (ncr_debug & DEBUG_TAGS) {
if (DEBUG_FLAGS & DEBUG_TAGS) {
PRINT_ADDR(xp);
printf ("using tag #%d.\n", cp->tag);
};
#endif /* SCSI_NCR_DEBUG */
};
} else {
cp->tag=0;
#if !defined(ANCIENT) && !defined(__NetBSD__)
#if !defined(ANCIENT) && !defined(__NetBSD__) && !(__FreeBSD__ >= 2)
/*
** @GENSCSI@ Bug in "/sys/scsi/cd.c"
**
@ -3821,28 +3707,24 @@ static INT32 ncr_start (struct scsi_xfer * xp)
cp -> scsi_smsg [msglen++] = M_X_SYNC_REQ;
cp -> scsi_smsg [msglen++] = tp->minsync;
cp -> scsi_smsg [msglen++] = tp->maxoffs;
#ifdef SCSI_NCR_DEBUG
if (ncr_debug & DEBUG_NEGO) {
if (DEBUG_FLAGS & DEBUG_NEGO) {
PRINT_ADDR(cp->xfer);
printf ("sync msgout: ");
ncr_show_msg (&cp->scsi_smsg [msglen-5]);
printf (".\n");
};
#endif /* SCSI_NCR_DEBUG */
break;
case NS_WIDE:
cp -> scsi_smsg [msglen++] = M_EXTENDED;
cp -> scsi_smsg [msglen++] = 2;
cp -> scsi_smsg [msglen++] = M_X_WIDE_REQ;
cp -> scsi_smsg [msglen++] = tp->usrwide;
#ifdef SCSI_NCR_DEBUG
if (ncr_debug & DEBUG_NEGO) {
if (DEBUG_FLAGS & DEBUG_NEGO) {
PRINT_ADDR(cp->xfer);
printf ("wide msgout: ");
ncr_show_msg (&cp->scsi_smsg [msglen-4]);
printf (".\n");
};
#endif /* SCSI_NCR_DEBUG */
break;
};
@ -3978,13 +3860,11 @@ static INT32 ncr_start (struct scsi_xfer * xp)
np->squeue [np->squeueput] = vtophys(&cp->phys);
np->squeueput = ptr;
#ifdef SCSI_NCR_DEBUG
if(ncr_debug & DEBUG_QUEUE)
if(DEBUG_FLAGS & DEBUG_QUEUE)
printf ("%s: queuepos=%d tryoffset=%d.\n", ncr_name (np),
np->squeueput,
(unsigned)(np->script->startpos[0]-
(vtophys(&np->script->tryloop))));
#endif /* SCSI_NCR_DEBUG */
/*
** Script processor may be waiting for reconnect.
@ -4001,9 +3881,7 @@ static INT32 ncr_start (struct scsi_xfer * xp)
if (!(flags & SCSI_NOMASK)) {
splx (oldspl);
if (np->lasttime) {
#ifdef SCSI_NCR_DEBUG
if(ncr_debug & DEBUG_TINY) printf ("Q");
#endif /* SCSI_NCR_DEBUG */
if(DEBUG_FLAGS & DEBUG_TINY) printf ("Q");
return(SUCCESSFULLY_QUEUED);
};
};
@ -4015,15 +3893,11 @@ static INT32 ncr_start (struct scsi_xfer * xp)
**----------------------------------------------------
*/
#ifdef SCSI_NCR_DEBUG
if (ncr_debug & DEBUG_POLL) printf("P");
#endif /* SCSI_NCR_DEBUG */
if (DEBUG_FLAGS & DEBUG_POLL) printf("P");
for (i=xp->timeout; i && !(xp->flags & ITSDONE);i--) {
#ifdef SCSI_NCR_DEBUG
if ((ncr_debug & DEBUG_POLL) && (cp->host_status))
if ((DEBUG_FLAGS & DEBUG_POLL) && (cp->host_status))
printf ("%c", (cp->host_status & 0xf) + '0');
#endif /* SCSI_NCR_DEBUG */
DELAY (1000);
ncr_exception (np);
};
@ -4050,12 +3924,10 @@ static INT32 ncr_start (struct scsi_xfer * xp)
ncr_complete (np, cp);
};
#ifdef SCSI_NCR_DEBUG
if (ncr_debug & DEBUG_RESULT) {
if (DEBUG_FLAGS & DEBUG_RESULT) {
printf ("%s: result: %x %x.\n",
ncr_name (np), cp->host_status, cp->scsi_status);
};
#endif /* SCSI_NCR_DEBUG */
if (!(flags & SCSI_NOMASK))
return (SUCCESSFULLY_QUEUED);
switch (xp->error) {
@ -4104,11 +3976,9 @@ void ncr_complete (ncb_p np, ccb_p cp)
*/
ncb_profile (np, cp);
#ifdef SCSI_NCR_DEBUG
if (ncr_debug & DEBUG_TINY)
if (DEBUG_FLAGS & DEBUG_TINY)
printf ("CCB=%x STAT=%x/%x\n", (unsigned)cp & 0xfff,
cp->host_status,cp->scsi_status);
#endif /* SCSI_NCR_DEBUG */
xp = cp->xfer;
cp->xfer = NULL;
@ -4238,15 +4108,13 @@ void ncr_complete (ncb_p np, ccb_p cp)
*/
xp->error = XS_SENSE;
#ifdef SCSI_NCR_DEBUG
if (ncr_debug & (DEBUG_RESULT|DEBUG_TINY)) {
if (DEBUG_FLAGS & (DEBUG_RESULT|DEBUG_TINY)) {
u_char * p = (u_char*) & xp->sense;
int i;
printf ("\n%s: sense data:", ncr_name (np));
for (i=0; i<14; i++) printf (" %x", *p++);
printf (".\n");
};
#endif /* SCSI_NCR_DEBUG */
} else if ((cp->host_status == HS_COMPLETE)
&& (cp->scsi_status == S_BUSY)) {
@ -4363,9 +4231,7 @@ void ncr_wakeup (ncb_p np, u_long code)
break;
case HS_DISCONNECT:
#ifdef SCSI_NCR_DEBUG
if(ncr_debug & DEBUG_TINY) printf ("D");
#endif /* SCSI_NCR_DEBUG */
if(DEBUG_FLAGS & DEBUG_TINY) printf ("D");
/* fall through */
case HS_BUSY:
@ -4932,45 +4798,10 @@ static void ncr_timeout (ncb_p np)
*/
int oldspl = splbio ();
#ifndef __NetBSD__
u_long imask = getirr();
#endif
#ifdef SCSI_NCR_DEBUG
if (ncr_debug & DEBUG_TINY) printf ("{");
#endif /* SCSI_NCR_DEBUG */
if (DEBUG_FLAGS & DEBUG_TINY) printf ("{");
ncr_exception (np);
#ifdef SCSI_NCR_DEBUG
if (ncr_debug & DEBUG_TINY) printf ("}");
#endif /* SCSI_NCR_DEBUG */
#ifndef __NetBSD__
imask &=~getirr();
imask &=~(0x87); /* remove 7,2,1,0 */
if (DEBUG_FLAGS & DEBUG_TINY) printf ("}");
splx (oldspl);
/*
** automagically find int vector.
*/
if (imask) {
if ((imask != np->imask) && (np->mcount < 100))
np->mcount = 0;
np->imask = imask;
np->mcount++;
};
/*
** a hint to the user :-)
*/
if (np->mcount == 100) {
if (np->imask & (np->imask-1)) {
printf ("%s: uses one of the irq in %x.\n",
ncr_name (np), np->imask);
} else {
printf ("%s: please configure irq %d.\n",
ncr_name (np), ffs (np->imask)-1);
};
np->mcount++;
};
#endif
};
}
@ -4993,9 +4824,7 @@ void ncr_exception (ncb_p np)
** interrupt on the fly ?
*/
while ((istat = INB (nc_istat)) & INTF) {
#ifdef SCSI_NCR_DEBUG
if (ncr_debug & DEBUG_TINY) printf ("F");
#endif /* SCSI_NCR_DEBUG */
if (DEBUG_FLAGS & DEBUG_TINY) printf ("F");
OUTB (nc_istat, INTF);
np->profile.num_fly++;
ncr_wakeup (np, 0);
@ -5012,14 +4841,12 @@ void ncr_exception (ncb_p np)
sist = INW (nc_sist) ;
np->profile.num_int++;
#ifdef SCSI_NCR_DEBUG
if (ncr_debug & DEBUG_TINY)
if (DEBUG_FLAGS & DEBUG_TINY)
printf ("<%d|%x:%x|%x:%x>",
INB(nc_scr0),
dstat,sist,
(unsigned)INL(nc_dsp),
(unsigned)INL(nc_dbc));
#endif /* SCSI_NCR_DEBUG */
if ((dstat==DFE) && (sist==PAR)) return;
/*==========================================================
@ -5189,12 +5016,11 @@ void ncr_exception (ncb_p np)
OUTB (nc_ctest3, CLF); /* clear scsi offsets */
}
#ifdef SCSI_NCR_DEBUG
/*
** Freeze controller to be able to read the messages.
*/
if (ncr_debug & DEBUG_FREEZE) {
if (DEBUG_FLAGS & DEBUG_FREEZE) {
int i;
unsigned char val;
for (i=0; i<0x60; i++) {
@ -5224,7 +5050,6 @@ void ncr_exception (ncb_p np)
OUTB (nc_istat, SRST);
return;
};
#endif /* SCSI_NCR_DEBUG */
/*
** sorry, have to kill ALL jobs ...
@ -5253,9 +5078,7 @@ void ncr_int_sto (ncb_p np)
{
u_long dsa, scratcha, diff;
ccb_p cp;
#ifdef SCSI_NCR_DEBUG
if (ncr_debug & DEBUG_TINY) printf ("T");
#endif /* SCSI_NCR_DEBUG */
if (DEBUG_FLAGS & DEBUG_TINY) printf ("T");
/*
** look for ccb and set the status.
@ -5372,22 +5195,20 @@ static void ncr_int_ma (ncb_p np)
nxtdsp = dsp;
};
#ifdef SCSI_NCR_DEBUG
/*
** log the information
*/
if (ncr_debug & (DEBUG_TINY|DEBUG_PHASE)) {
if (DEBUG_FLAGS & (DEBUG_TINY|DEBUG_PHASE)) {
printf ("P%d%d ",cmd&7, sbcl&7);
printf ("RL=%d D=%d SS0=%x ",
(unsigned) rest, (unsigned) delta, ss0);
};
if (ncr_debug & DEBUG_PHASE) {
if (DEBUG_FLAGS & DEBUG_PHASE) {
printf ("\nCP=%x CP2=%x DSP=%x NXT=%x VDSP=%x CMD=%x ",
(unsigned)cp, (unsigned)np->header.cp,
(unsigned)dsp,
(unsigned)nxtdsp, (unsigned)vdsp, cmd);
};
#endif /* SCSI_NCR_DEBUG */
/*
** get old startaddress and old length.
@ -5404,15 +5225,13 @@ static void ncr_int_ma (ncb_p np)
olen = vdsp[0] & 0xffffff;
};
#ifdef SCSI_NCR_DEBUG
if (ncr_debug & DEBUG_PHASE) {
if (DEBUG_FLAGS & DEBUG_PHASE) {
printf ("OCMD=%x\nTBLP=%x OLEN=%x OADR=%x\n",
(unsigned) (vdsp[0] >> 24),
(unsigned) tblp,
(unsigned) olen,
(unsigned) oadr);
};
#endif /* SCSI_NCR_DEBUG */
/*
** if old phase not dataphase, leave here.
@ -5446,8 +5265,7 @@ static void ncr_int_ma (ncb_p np)
newcmd[2] = SCR_JUMP;
newcmd[3] = nxtdsp;
#ifdef SCSI_NCR_DEBUG
if (ncr_debug & DEBUG_PHASE) {
if (DEBUG_FLAGS & DEBUG_PHASE) {
PRINT_ADDR(cp->xfer);
printf ("newcmd[%d] %x %x %x %x.\n",
newcmd - cp->patch,
@ -5456,7 +5274,6 @@ static void ncr_int_ma (ncb_p np)
(unsigned)newcmd[2],
(unsigned)newcmd[3]);
}
#endif /* SCSI_NCR_DEBUG */
/*
** fake the return address (to the patch).
** and restart script processor at dispatcher.
@ -5501,9 +5318,7 @@ void ncr_int_sir (ncb_p np)
u_char target = INB (nc_ctest0) & 7;
tcb_p tp = &np->target[target];
int i;
#ifdef SCSI_NCR_DEBUG
if (ncr_debug & DEBUG_TINY) printf ("I#%d", num);
#endif /* SCSI_NCR_DEBUG */
if (DEBUG_FLAGS & DEBUG_TINY) printf ("I#%d", num);
switch (num) {
case SIR_SENSE_RESTART:
@ -5541,38 +5356,26 @@ void ncr_int_sir (ncb_p np)
**------------------------------------------
*/
#ifdef NCR_DEBUG
if (ncr_debug & DEBUG_RESTART)
if (DEBUG_FLAGS & DEBUG_RESTART)
printf ("%s: int#%d",ncr_name (np),num);
#endif /* SCSI_NCR_DEBUG */
cp = (ccb_p) 0;
for (i=0; i<MAX_TARGET; i++) {
#ifdef NCR_DEBUG
if (ncr_debug & DEBUG_RESTART) printf (" t%d", i);
#endif /* SCSI_NCR_DEBUG */
if (DEBUG_FLAGS & DEBUG_RESTART) printf (" t%d", i);
tp = &np->target[i];
#ifdef NCR_DEBUG
if (ncr_debug & DEBUG_RESTART) printf ("+");
#endif /* SCSI_NCR_DEBUG */
if (DEBUG_FLAGS & DEBUG_RESTART) printf ("+");
cp = tp->hold_cp;
if (!cp) continue;
#ifdef NCR_DEBUG
if (ncr_debug & DEBUG_RESTART) printf ("+");
#endif /* SCSI_NCR_DEBUG */
if (DEBUG_FLAGS & DEBUG_RESTART) printf ("+");
if ((cp->host_status==HS_BUSY) &&
(cp->scsi_status==S_CHECK_COND))
break;
#ifdef NCR_DEBUG
if (ncr_debug & DEBUG_RESTART) printf ("- (remove)");
#endif /* SCSI_NCR_DEBUG */
if (DEBUG_FLAGS & DEBUG_RESTART) printf ("- (remove)");
tp->hold_cp = cp = (ccb_p) 0;
};
if (cp) {
#ifdef NCR_DEBUG
if (ncr_debug & DEBUG_RESTART)
if (DEBUG_FLAGS & DEBUG_RESTART)
printf ("+ restart job ..\n");
#endif /* SCSI_NCR_DEBUG */
OUTL (nc_dsa, vtophys (&cp->phys));
OUTL (nc_dsp, vtophys (&np->script->getcc));
return;
@ -5581,9 +5384,7 @@ void ncr_int_sir (ncb_p np)
/*
** no job, resume normal processing
*/
#ifdef NCR_DEBUG
if (ncr_debug & DEBUG_RESTART) printf (" -- remove trap\n");
#endif /* SCSI_NCR_DEBUG */
if (DEBUG_FLAGS & DEBUG_RESTART) printf (" -- remove trap\n");
np->script->start0[0] = SCR_INT ^ IFFALSE (0);
break;
@ -5595,11 +5396,9 @@ void ncr_int_sir (ncb_p np)
**-------------------------------------------
*/
PRINT_ADDR(cp->xfer);
#ifdef NCR_DEBUG
if (ncr_debug & DEBUG_RESTART)
if (DEBUG_FLAGS & DEBUG_RESTART)
printf ("in getcc reselect by t%d.\n",
INB(nc_ssid)&7);
#endif /* SCSI_NCR_DEBUG */
/*
** Mark this job
@ -5694,13 +5493,13 @@ void ncr_int_sir (ncb_p np)
**
**-------------------------------------------------------
*/
#ifdef SCSI_NCR_DEBUG
if (ncr_debug & DEBUG_NEGO) {
if (DEBUG_FLAGS & DEBUG_NEGO) {
PRINT_ADDR(cp->xfer);
printf ("negotiation failed sir=%x status=%x.\n",
num, cp->nego_status);
};
#endif /* SCSI_NCR_DEBUG */
/*
** any error in negotiation:
** fall back to default mode.
@ -5726,14 +5525,13 @@ void ncr_int_sir (ncb_p np)
/*
** Synchronous request message received.
*/
#ifdef SCSI_NCR_DEBUG
if (ncr_debug & DEBUG_NEGO) {
if (DEBUG_FLAGS & DEBUG_NEGO) {
PRINT_ADDR(cp->xfer);
printf ("sync msgin: ");
(void) ncr_show_msg (np->msgin);
printf (".\n");
};
#endif /* SCSI_NCR_DEBUG */
/*
** get requested values.
@ -5770,13 +5568,11 @@ void ncr_int_sir (ncb_p np)
if (ofs && (fak>7)) {chg = 1; ofs = 0;}
if (!ofs) fak=7;
#ifdef SCSI_NCR_DEBUG
if (ncr_debug & DEBUG_NEGO) {
if (DEBUG_FLAGS & DEBUG_NEGO) {
PRINT_ADDR(cp->xfer);
printf ("sync: per=%d ofs=%d fak=%d chg=%d.\n",
per, ofs, fak, chg);
}
#endif /* SCSI_NCR_DEBUG */
if (INB (HS_PRT) == HS_NEGOTIATE) {
OUTB (HS_PRT, HS_BUSY);
@ -5824,28 +5620,24 @@ void ncr_int_sir (ncb_p np)
cp->nego_status = NS_SYNC;
#ifdef SCSI_NCR_DEBUG
if (ncr_debug & DEBUG_NEGO) {
if (DEBUG_FLAGS & DEBUG_NEGO) {
PRINT_ADDR(cp->xfer);
printf ("sync msgout: ");
(void) ncr_show_msg (np->msgin);
printf (".\n");
}
#endif /* SCSI_NCR_DEBUG */
break;
case SIR_NEGO_WIDE:
/*
** Wide request message received.
*/
#ifdef SCSI_NCR_DEBUG
if (ncr_debug & DEBUG_NEGO) {
if (DEBUG_FLAGS & DEBUG_NEGO) {
PRINT_ADDR(cp->xfer);
printf ("wide msgin: ");
(void) ncr_show_msg (np->msgin);
printf (".\n");
};
#endif /* SCSI_NCR_DEBUG */
/*
** get requested values.
@ -5869,12 +5661,10 @@ void ncr_int_sir (ncb_p np)
if (wide > tp->usrwide)
{chg = 1; wide = tp->usrwide;}
#ifdef SCSI_NCR_DEBUG
if (ncr_debug & DEBUG_NEGO) {
if (DEBUG_FLAGS & DEBUG_NEGO) {
PRINT_ADDR(cp->xfer);
printf ("wide: wide=%d chg=%d.\n", wide, chg);
}
#endif /* SCSI_NCR_DEBUG */
if (INB (HS_PRT) == HS_NEGOTIATE) {
OUTB (HS_PRT, HS_BUSY);
@ -5921,14 +5711,12 @@ void ncr_int_sir (ncb_p np)
cp->nego_status = NS_WIDE;
#ifdef SCSI_NCR_DEBUG
if (ncr_debug & DEBUG_NEGO) {
if (DEBUG_FLAGS & DEBUG_NEGO) {
PRINT_ADDR(cp->xfer);
printf ("wide msgout: ");
(void) ncr_show_msg (np->msgin);
printf (".\n");
}
#endif /* SCSI_NCR_DEBUG */
break;
/*--------------------------------------------------------------------
@ -6272,12 +6060,10 @@ static void ncr_alloc_ccb (ncb_p np, struct scsi_xfer * xp)
if (!cp)
return;
#ifdef SCSI_NCR_DEBUG
if (ncr_debug & DEBUG_ALLOC) {
if (DEBUG_FLAGS & DEBUG_ALLOC) {
PRINT_ADDR(xp);
printf ("new ccb @%x.\n", (unsigned) cp);
}
#endif /* SCSI_NCR_DEBUG */
/*
** Count it
@ -6342,11 +6128,9 @@ static void ncr_opennings (ncb_p np, lcb_p lp, struct scsi_xfer * xp)
xp->sc_link->opennings -= diff;
lp->actlink -= diff;
#ifdef SCSI_NCR_DEBUG
if (ncr_debug & DEBUG_TAGS)
if (DEBUG_FLAGS & DEBUG_TAGS)
printf ("%s: actlink: diff=%d, new=%d, req=%d\n",
ncr_name(np), diff, lp->actlink, lp->reqlink);
#endif /* SCSI_NCR_DEBUG */
return;
};
@ -6359,11 +6143,9 @@ static void ncr_opennings (ncb_p np, lcb_p lp, struct scsi_xfer * xp)
xp->sc_link->opennings += diff;
lp->actlink += diff;
wakeup ((caddr_t) xp->sc_link);
#ifdef SCSI_NCR_DEBUG
if (ncr_debug & DEBUG_TAGS)
if (DEBUG_FLAGS & DEBUG_TAGS)
printf ("%s: actlink: diff=%d, new=%d, req=%d\n",
ncr_name(np), diff, lp->actlink, lp->reqlink);
#endif
};
#endif
}
@ -6419,11 +6201,9 @@ static int ncr_scatter
while ((chunk * free >= 2 * datalen) && (chunk>=1024))
chunk /= 2;
#ifdef SCSI_NCR_DEBUG
if(ncr_debug & DEBUG_SCATTER)
if(DEBUG_FLAGS & DEBUG_SCATTER)
printf("ncr?:\tscattering virtual=0x%x size=%d chunk=%d.\n",
(unsigned) vaddr, (unsigned) datalen, (unsigned) chunk);
#endif /* SCSI_NCR_DEBUG */
/*
** Build data descriptors.
@ -6461,14 +6241,12 @@ static int ncr_scatter
paddr = vtophys (vaddr);
};
#ifdef SCSI_NCR_DEBUG
if(ncr_debug & DEBUG_SCATTER)
if(DEBUG_FLAGS & DEBUG_SCATTER)
printf ("\tseg #%d addr=%x size=%d (rest=%d).\n",
segment,
(unsigned) segaddr,
(unsigned) segsize,
(unsigned) datalen);
#endif /* SCSI_NCR_DEBUG */
phys->data[segment].addr = segaddr;
phys->data[segment].size = segsize;
@ -6715,11 +6493,9 @@ static void ncr_getclock (ncb_p np)
if (f>4) f=4;
np -> ns_async = (ns_clock * tbl[f]) / 2;
np -> rv_scntl3 |= f;
#ifdef SCSI_NCR_DEBUG
if (ncr_debug & DEBUG_TIMING)
if (DEBUG_FLAGS & DEBUG_TIMING)
printf ("%s: sclk=%d async=%d sync=%d (ns) scntl3=0x%x\n",
ncr_name (np), ns_clock, np->ns_async, np->ns_sync, np->rv_scntl3);
#endif /* SCSI_NCR_DEBUG */
}
/*=========================================================================*/