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Add back nncr and ncrp for now. ncrcontrol relies on them.

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(To be replaced by sysctl accesses some time ...)

Remove a backward jump from the NCR script, which allowed a SCSI target
to receive any number of NOP messages it desired. If a target indeed
does such a silly thing, make it fail at the next instruction, instead
of causing a timeout a few seconds later.
This commit is contained in:
se 1996-01-09 19:57:49 +00:00
parent 136f35748b
commit 4c496827e5
1 changed files with 7 additions and 4 deletions
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11
sys/pci/ncr.c
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@ -1,6 +1,6 @@
/**************************************************************************
**
** $Id: ncr.c,v 1.53 1995/12/28 13:04:03 se Exp $
** $Id: ncr.c,v 1.54 1996/01/07 19:26:12 gibbs Exp $
**
** Device driver for the NCR 53C810 PCI-SCSI-Controller.
**
@ -1128,7 +1128,7 @@ struct script {
ncrcmd skip [ 8];
ncrcmd skip2 [ 3];
ncrcmd idle [ 2];
ncrcmd select [ 24];
ncrcmd select [ 22];
ncrcmd prepare [ 4];
ncrcmd loadpos [ 14];
ncrcmd prepare2 [ 24];
@ -1249,7 +1249,7 @@ static void ncr_attach (pcici_t tag, int unit);
static char ident[] =
"\n$Id: ncr.c,v 1.53 1995/12/28 13:04:03 se Exp $\n";
"\n$Id: ncr.c,v 1.54 1996/01/07 19:26:12 gibbs Exp $\n";
static u_long ncr_version = NCR_VERSION * 11
+ (u_long) sizeof (struct ncb) * 7
@ -1258,7 +1258,8 @@ static u_long ncr_version = NCR_VERSION * 11
+ (u_long) sizeof (struct tcb) * 2;
#ifdef KERNEL
static const int nncr=MAX_UNITS; /* XXX to be replaced by SYSCTL */
ncb_p ncrp [MAX_UNITS]; /* XXX to be replaced by SYSCTL */
static int ncr_debug = SCSI_DEBUG_FLAGS;
SYSCTL_INT(_debug, OID_AUTO, ncr_debug, CTLFLAG_RW, &ncr_debug, 0, "");
@ -1569,8 +1570,10 @@ static struct script script0 = {
*/
SCR_MOVE_TBL ^ SCR_MSG_OUT,
offsetof (struct dsb, smsg),
#ifdef undef /* XXX better fail than try to deal with this ... */
SCR_JUMPR ^ IFTRUE (WHEN (SCR_MSG_OUT)),
-16,
#endif
SCR_CLR (SCR_ATN),
0,
SCR_COPY (1),