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Use the SCSIACCEL ioctl() to turn on TAG QUEUEs.

This commit is contained in:
eeh 2001-01-19 23:04:23 +00:00
parent 4a962c6cd9
commit 905ef1b7fa
2 changed files with 17 additions and 10 deletions
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21
sys/dev/ic/ncr53c9x.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: ncr53c9x.c,v 1.69 2000/12/20 15:49:03 briggs Exp $ */
/* $NetBSD: ncr53c9x.c,v 1.70 2001/01/19 23:04:23 eeh Exp $ */
/*-
* Copyright (c) 1998 The NetBSD Foundation, Inc.
@ -251,7 +251,7 @@ ncr53c9x_attach(sc, adapter, device)
sc->sc_link.scsipi_scsi.adapter_target = sc->sc_id;
sc->sc_link.adapter = (adapter) ? adapter : &ncr53c9x_adapter;
sc->sc_link.device = (device) ? device : &ncr53c9x_device;
sc->sc_link.openings = 32;
sc->sc_link.openings = 2;
sc->sc_link.scsipi_scsi.max_target = 7;
sc->sc_link.scsipi_scsi.max_lun = 7;
sc->sc_link.type = BUS_SCSI;
@ -442,14 +442,13 @@ ncr53c9x_init(sc, doreset)
struct ncr53c9x_tinfo *ti = &sc->sc_tinfo[r];
/* XXX - config flags per target: low bits: no reselect; high bits: no synch */
ti->flags = ((sc->sc_cfflags & (1<<(r+16))) ? T_TAGOFF : 0) |
((sc->sc_minsync && !(sc->sc_cfflags & (1<<(r+8))))
ti->flags = ((sc->sc_minsync && !(sc->sc_cfflags & (1<<(r+8))))
? 0 : T_SYNCHOFF) |
((sc->sc_cfflags & (1<<r)) ? T_RSELECTOFF : 0) |
T_NEED_TO_RESET;
#ifdef DEBUG
if (ncr53c9x_notag)
ti->flags |= T_TAGOFF;
ti->flags &= ~T_TAG;
#endif
ti->period = sc->sc_minsync;
ti->offset = 0;
@ -940,6 +939,12 @@ ncr53c9x_ioctl(link, cmd, arg, flag, p)
sc->sc_dev.dv_xname, sp->sa_target);
ti->flags |= T_NEGOTIATE;
}
if ((sp->sa_flags & SC_ACCEL_TAGS) != 0) {
if ((sc->sc_cfflags & (1<<((sp->sa_target)+16))) == 0) {
ti->flags |= T_TAG;
link->openings = 255;
}
}
break;
}
default:
@ -987,7 +992,9 @@ ncr53c9x_sched(sc)
lun = sc_link->scsipi_scsi.lun;
/* Select type of tag for this command */
if ((ti->flags & (T_RSELECTOFF|T_TAGOFF)) != 0)
if ((ti->flags & (T_RSELECTOFF)) != 0)
tag = 0;
else if ((ti->flags & (T_TAG)) == 0)
tag = 0;
else if ((ecb->flags & ECB_SENSE) != 0)
tag = 0;
@ -1504,7 +1511,7 @@ gotit:
NCR_MSGS(("(rejected sent tag)"));
NCRCMD(sc, NCRCMD_FLUSH);
DELAY(1);
ti->flags |= T_TAGOFF;
ti->flags &= ~T_TAG;
lun = ecb->xs->sc_link->scsipi_scsi.lun;
li = TINFO_LUN(ti, lun);
if (ecb->tag[0] &&

4
sys/dev/ic/ncr53c9xvar.h
View File

@ -1,4 +1,4 @@
/* $NetBSD: ncr53c9xvar.h,v 1.29 2000/12/20 03:19:34 eeh Exp $ */
/* $NetBSD: ncr53c9xvar.h,v 1.30 2001/01/19 23:04:23 eeh Exp $ */
/*-
* Copyright (c) 1997 The NetBSD Foundation, Inc.
@ -175,7 +175,7 @@ struct ncr53c9x_tinfo {
#define T_SYNCMODE 0x08 /* SYNC mode has been negotiated */
#define T_SYNCHOFF 0x10 /* SYNC mode for is permanently off */
#define T_RSELECTOFF 0x20 /* RE-SELECT mode is off */
#define T_TAGOFF 0x40 /* TAG QUEUEs are off */
#define T_TAG 0x40 /* Turn on TAG QUEUEs */
u_char period; /* Period suggestion */
u_char offset; /* Offset suggestion */
u_char nextag; /* Next available tag */