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temp fix for internal queue overflow problem

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This commit is contained in:
Matt Jacob 1999-04-14 17:37:36 +00:00
parent 7bf01a1401
commit 17b1ea0341
1 changed files with 34 additions and 14 deletions
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48
sys/dev/isp/isp.c
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@ -1,5 +1,5 @@
/* $Id: isp.c,v 1.16 1999/03/26 00:33:13 mjacob Exp $ */
/* release_4_3_99 */
/* $Id: isp.c,v 1.17 1999/04/04 02:28:29 mjacob Exp $ */
/* release_4_3_99+ */
/*
* Machine and OS Independent (well, as best as possible)
* code for the Qlogic ISP SCSI adapters.
@ -1611,31 +1611,35 @@ isp_intr(arg)
}
/*
* It really has to be a bounced request just copied
* from the request queue to the response queue.
* from the request queue to the response queue. If
* not, something bad has happened.
*/
if (sp->req_header.rqs_entry_type != RQSTYPE_REQUEST) {
ISP_WRITE(isp, INMAILBOX5, optr);
PRINTF("%s: not RESPONSE in RESPONSE Queue "
"(type 0x%x) @ idx %d (next %d)\n",
isp->isp_name,
sp->req_header.rqs_entry_type, oop, optr);
continue;
}
PRINTF("%s: not RESPONSE in RESPONSE Queue "
"(type 0x%x) @ idx %d (next %d)\n", isp->isp_name,
sp->req_header.rqs_entry_type, oop, optr);
buddaboom = 1;
}
if (sp->req_header.rqs_flags & 0xf) {
#define _RQS_OFLAGS \
~(RQSFLAG_CONTINUATION|RQSFLAG_FULL|RQSFLAG_BADHEADER|RQSFLAG_BADPACKET)
if (sp->req_header.rqs_flags & RQSFLAG_CONTINUATION) {
IDPRINTF(3, ("%s: continuation segment\n",
isp->isp_name));
ISP_WRITE(isp, INMAILBOX5, optr);
continue;
}
PRINTF("%s: rqs_flags=%x", isp->isp_name,
sp->req_header.rqs_flags & 0xf);
if (sp->req_header.rqs_flags & RQSFLAG_FULL) {
PRINTF("%s: internal queues full\n",
isp->isp_name);
/* XXXX: this command *could* get restarted */
buddaboom++;
IDPRINTF(2, ("%s: internal queues full\n",
isp->isp_name));
/*
* We'll synthesize a QUEUE FULL message below.
*/
}
if (sp->req_header.rqs_flags & RQSFLAG_BADHEADER) {
PRINTF("%s: bad header\n", isp->isp_name);
@ -1646,6 +1650,12 @@ isp_intr(arg)
isp->isp_name);
buddaboom++;
}
if (sp->req_header.rqs_flags & _RQS_OFLAGS) {
PRINTF("%s: unknown flags in response (0x%x)\n",
isp->isp_name, sp->req_header.rqs_flags);
buddaboom++;
}
#undef _RQS_OFLAGS
}
if (sp->req_handle > RQUEST_QUEUE_LEN || sp->req_handle < 1) {
PRINTF("%s: bad request handle %d\n", isp->isp_name,
@ -1685,6 +1695,16 @@ isp_intr(arg)
isp->isp_update = 1;
sdp->isp_devparam[XS_TGT(xs)].dev_refresh = 1;
}
} else if (sp->req_header.rqs_entry_type == RQSTYPE_REQUEST) {
if (sp->req_header.rqs_flags & RQSFLAG_FULL) {
/*
* Force Queue Full status.
*/
XS_STS(xs) = 0x28;
XS_SETERR(xs, HBA_NOERROR);
} else if (XS_NOERR(xs)) {
XS_SETERR(xs, HBA_BOTCH);
}
} else {
if (XS_STS(xs) == SCSI_CHECK) {
XS_SNS_IS_VALID(xs);
@ -3656,7 +3676,7 @@ isp_setdfltparm(isp)
sdp->isp_async_data_setup = 6;
}
sdp->isp_selection_timeout = 250;
sdp->isp_max_queue_depth = 128;
sdp->isp_max_queue_depth = MAXISPREQUEST;
sdp->isp_tag_aging = 8;
sdp->isp_bus_reset_delay = 3;
sdp->isp_retry_count = 0;