Redo xfer sync/wide/tag notification again: we need to notify upper layer

that we can do tag.
Start sync/wide nego at first command, but wait ADAPTER_REQ_SET_XFER_MODE
to notify upper level.
This commit is contained in:
bouyer 2001-04-26 16:56:53 +00:00
parent 99054d7a6c
commit d032d80637
1 changed files with 42 additions and 30 deletions

View File

@ -1,4 +1,4 @@
/* $NetBSD: aic7xxx.c,v 1.70 2001/04/25 17:53:31 bouyer Exp $ */
/* $NetBSD: aic7xxx.c,v 1.71 2001/04/26 16:56:53 bouyer Exp $ */
/*
* Generic driver for the aic7xxx based adaptec SCSI controllers
@ -284,6 +284,7 @@ static void ahc_set_syncrate(struct ahc_softc *, struct ahc_devinfo *,
static void ahc_set_width(struct ahc_softc *, struct ahc_devinfo *,
u_int, u_int, int, int);
static void ahc_set_tags(struct ahc_softc *, struct ahc_devinfo *, int);
static void ahc_update_xfer_mode(struct ahc_softc *, struct ahc_devinfo *);
static void ahc_construct_sdtr(struct ahc_softc *, u_int, u_int);
static void ahc_construct_wdtr(struct ahc_softc *, u_int);
@ -1271,22 +1272,6 @@ ahc_set_syncrate(struct ahc_softc *ahc, struct ahc_devinfo *devinfo,
ahc_update_pending_syncrates(ahc);
}
/*
* Print messages if we're verbose and at the end of a negotiation
* cycle.
*/
if (done) {
if (offset != 0) {
printf("%s: target %d synchronous at %sMHz, "
"offset = 0x%x\n", ahc_name(ahc),
devinfo->target, syncrate->rate, offset);
} else {
printf("%s: target %d using "
"asynchronous transfers\n",
ahc_name(ahc), devinfo->target);
}
}
if ((type & AHC_TRANS_GOAL) != 0) {
tinfo->goal.period = period;
tinfo->goal.offset = offset;
@ -1331,12 +1316,6 @@ ahc_set_width(struct ahc_softc *ahc, struct ahc_devinfo *devinfo,
tinfo->current.width = width;
}
if (done) {
printf("%s: target %d using %dbit transfers\n",
ahc_name(ahc), devinfo->target,
8 * (0x01 << width));
}
if ((type & AHC_TRANS_GOAL) != 0)
tinfo->goal.width = width;
if ((type & AHC_TRANS_USER) != 0)
@ -1363,6 +1342,34 @@ ahc_set_tags(struct ahc_softc *ahc, struct ahc_devinfo *devinfo, int enable)
}
}
static void
ahc_update_xfer_mode(struct ahc_softc *ahc, struct ahc_devinfo *devinfo)
{
struct scsipi_xfer_mode xm;
struct ahc_initiator_tinfo *tinfo;
struct tmode_tstate *tstate;
if (ahc->inited_targets[devinfo->target] != 2)
return;
tinfo = ahc_fetch_transinfo(ahc, devinfo->channel, devinfo->our_scsiid,
devinfo->target, &tstate);
xm.xm_target = devinfo->target;
xm.xm_mode = 0;
xm.xm_period = tinfo->current.period;
xm.xm_offset = tinfo->current.offset;
if (tinfo->current.width == 1)
xm.xm_mode |= PERIPH_CAP_WIDE16;
if (tinfo->current.period)
xm.xm_mode |= PERIPH_CAP_SYNC;
if (tstate->tagenable & devinfo->target_mask)
xm.xm_mode |= PERIPH_CAP_TQING;
scsipi_async_event(
devinfo->channel == 'B' ? &ahc->sc_channel_b : &ahc->sc_channel,
ASYNC_EVENT_XFER_MODE, &xm);
}
/*
* Attach all the sub-devices we can find
*/
@ -2508,7 +2515,8 @@ ahc_handle_msg_reject(struct ahc_softc *ahc, struct ahc_devinfo *devinfo)
ahc_construct_sdtr(ahc, period, tinfo->goal.offset);
ahc->msgout_index = 0;
response = 1;
}
} else
ahc_update_xfer_mode(ahc, devinfo);
} else if (ahc_sent_msg(ahc, MSG_EXT_SDTR, /*full*/FALSE)) {
/* note asynch xfers and clear flag */
ahc_set_syncrate(ahc, devinfo, /*syncrate*/NULL, /*period*/0,
@ -2520,12 +2528,14 @@ ahc_handle_msg_reject(struct ahc_softc *ahc, struct ahc_devinfo *devinfo)
ahc_name(ahc),
devinfo->channel, devinfo->target);
#endif
ahc_update_xfer_mode(ahc, devinfo);
} else if ((scb->hscb->control & TAG_ENB) != 0) {
printf("%s:%c:%d: refuses tagged commands. Performing "
"non-tagged I/O\n", ahc_name(ahc),
devinfo->channel, devinfo->target);
ahc_set_tags(ahc, devinfo, FALSE);
ahc_update_xfer_mode(ahc, devinfo);
/*
* Resend the identify for this CCB as the target
@ -2943,6 +2953,7 @@ ahc_parse_msg(struct ahc_softc *ahc, struct scsipi_periph *periph,
syncrate, period, offset,
AHC_TRANS_ACTIVE|AHC_TRANS_GOAL,
/*paused*/TRUE, /*done*/TRUE);
ahc_update_xfer_mode(ahc, devinfo);
/*
* See if we initiated Sync Negotiation
@ -3066,7 +3077,8 @@ ahc_parse_msg(struct ahc_softc *ahc, struct scsipi_periph *periph,
ahc_construct_sdtr(ahc, period, offset);
ahc->msgout_index = 0;
response = TRUE;
}
} else
ahc_update_xfer_mode(ahc, devinfo);
}
done = MSGLOOP_MSGCOMPLETE;
break;
@ -3251,6 +3263,7 @@ ahc_handle_devreset(struct ahc_softc *ahc, struct ahc_devinfo *devinfo,
ahc_set_syncrate(ahc, devinfo, /*syncrate*/NULL,
/*period*/0, /*offset*/0, AHC_TRANS_CUR,
/*paused*/TRUE, /*done*/FALSE);
ahc_update_xfer_mode(ahc, devinfo);
if (message != NULL && (verbose_level <= 0))
printf("%s: %s on %c:%d. %d SCBs aborted\n", ahc_name(ahc),
@ -3832,7 +3845,7 @@ ahc_action(struct scsipi_channel *chan, scsipi_adapter_req_t req, void *arg)
xs = arg;
periph = xs->xs_periph;
SC_DEBUG(periph, SDEV_DB3, ("ahc_action\n"));
SC_DEBUG(xs->xs_periph, SDEV_DB3, ("ahc_action\n"));
/* must protect the queue */
s = splbio();
@ -3904,7 +3917,6 @@ ahc_action(struct scsipi_channel *chan, scsipi_adapter_req_t req, void *arg)
our_id, target_id, &tstate);
if (ahc->inited_targets[target_id] == 0) {
struct ahc_devinfo devinfo;
s = splbio();
ahc_compile_devinfo(&devinfo, our_id, target_id,
periph->periph_lun,
@ -3915,7 +3927,6 @@ ahc_action(struct scsipi_channel *chan, scsipi_adapter_req_t req, void *arg)
ahc->inited_targets[target_id] = 1;
splx(s);
}
hscb->scsirate = tinfo->scsirate;
hscb->scsioffset = tinfo->current.offset;
if ((tstate->ultraenb & mask) != 0)
@ -3951,13 +3962,13 @@ ahc_action(struct scsipi_channel *chan, scsipi_adapter_req_t req, void *arg)
&tstate);
ahc_compile_devinfo(&devinfo, our_id, target_id,
0, channel, ROLE_INITIATOR);
ahc->inited_targets[target_id] = 2;
if (xm->xm_mode & PERIPH_CAP_TQING &&
(tstate->tagdisable & devinfo.target_mask) == 0) {
ahc_set_tags(ahc, &devinfo, TRUE);
printf("%s: target %d using tagged queuing\n",
ahc_name(ahc), target_id);
}
splx(s);
ahc_update_xfer_mode(ahc, &devinfo);
}
}
}
@ -5226,6 +5237,7 @@ ahc_reset_channel(struct ahc_softc *ahc, char channel, int initiate_reset)
/*syncrate*/NULL, /*period*/0,
/*offset*/0, AHC_TRANS_CUR,
/*paused*/TRUE, FALSE);
ahc_update_xfer_mode(ahc, &devinfo);
}
}