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yaml
---
r: 216778
b: refs/heads/master
c: a5a0061
h: refs/heads/master
v: v3
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Stefan Weinhuber authored and Martin Schwidefsky committed Oct 25, 2010
1 parent e451262 commit 8ae0f5d
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Showing 3 changed files with 41 additions and 42 deletions.
2 changes: 1 addition & 1 deletion [refs]
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Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 26cffecf84c8cb33787dd13a72bd2124d107d413
refs/heads/master: a5a0061fb3a22bbd9b108af8382142fd0f41ebee
11 changes: 10 additions & 1 deletion trunk/drivers/s390/block/dasd.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1099,11 +1099,20 @@ void dasd_int_handler(struct ccw_device *cdev, unsigned long intparm,
cqr = (struct dasd_ccw_req *) intparm;
if (!cqr || ((scsw_cc(&irb->scsw) == 1) &&
(scsw_fctl(&irb->scsw) & SCSW_FCTL_START_FUNC) &&
(scsw_stctl(&irb->scsw) & SCSW_STCTL_STATUS_PEND))) {
((scsw_stctl(&irb->scsw) == SCSW_STCTL_STATUS_PEND) ||
(scsw_stctl(&irb->scsw) == (SCSW_STCTL_STATUS_PEND |
SCSW_STCTL_ALERT_STATUS))))) {
if (cqr && cqr->status == DASD_CQR_IN_IO)
cqr->status = DASD_CQR_QUEUED;
if (cqr)
memcpy(&cqr->irb, irb, sizeof(*irb));
device = dasd_device_from_cdev_locked(cdev);
if (!IS_ERR(device)) {
device->discipline->dump_sense_dbf(device, irb,
"unsolicited");
if ((device->features & DASD_FEATURE_ERPLOG))
device->discipline->dump_sense(device, cqr,
irb);
dasd_device_clear_timer(device);
device->discipline->handle_unsolicited_interrupt(device,
irb);
Expand Down
70 changes: 30 additions & 40 deletions trunk/drivers/s390/block/dasd_eckd.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1776,13 +1776,13 @@ static void dasd_eckd_handle_unsolicited_interrupt(struct dasd_device *device,
}

/* summary unit check */
if ((scsw_dstat(&irb->scsw) & DEV_STAT_UNIT_CHECK) &&
(irb->ecw[7] == 0x0D)) {
sense = dasd_get_sense(irb);
if (sense && (sense[7] == 0x0D) &&
(scsw_dstat(&irb->scsw) & DEV_STAT_UNIT_CHECK)) {
dasd_alias_handle_summary_unit_check(device, irb);
return;
}

sense = dasd_get_sense(irb);
/* service information message SIM */
if (sense && !(sense[27] & DASD_SENSE_BIT_0) &&
((sense[6] & DASD_SIM_SENSE) == DASD_SIM_SENSE)) {
Expand All @@ -1791,26 +1791,15 @@ static void dasd_eckd_handle_unsolicited_interrupt(struct dasd_device *device,
return;
}

if ((scsw_cc(&irb->scsw) == 1) &&
(scsw_fctl(&irb->scsw) & SCSW_FCTL_START_FUNC) &&
(scsw_actl(&irb->scsw) & SCSW_ACTL_START_PEND) &&
(scsw_stctl(&irb->scsw) & SCSW_STCTL_STATUS_PEND)) {
if ((scsw_cc(&irb->scsw) == 1) && !sense &&
(scsw_fctl(&irb->scsw) == SCSW_FCTL_START_FUNC) &&
(scsw_actl(&irb->scsw) == SCSW_ACTL_START_PEND) &&
(scsw_stctl(&irb->scsw) == SCSW_STCTL_STATUS_PEND)) {
/* fake irb do nothing, they are handled elsewhere */
dasd_schedule_device_bh(device);
return;
}

if (!sense) {
/* just report other unsolicited interrupts */
DBF_DEV_EVENT(DBF_ERR, device, "%s",
"unsolicited interrupt received");
} else {
DBF_DEV_EVENT(DBF_ERR, device, "%s",
"unsolicited interrupt received "
"(sense available)");
device->discipline->dump_sense_dbf(device, irb, "unsolicited");
}

dasd_schedule_device_bh(device);
return;
};
Expand Down Expand Up @@ -3093,23 +3082,19 @@ dasd_eckd_dump_sense_dbf(struct dasd_device *device, struct irb *irb,
char *reason)
{
u64 *sense;
u32 stat;
u64 *stat;

sense = (u64 *) dasd_get_sense(irb);
stat = scsw_cstat(&irb->scsw);
stat <<= 8;
stat |= scsw_dstat(&irb->scsw);
stat <<= 8;
stat |= scsw_cc(&irb->scsw);

stat = (u64 *) &irb->scsw;
if (sense) {
DBF_DEV_EVENT(DBF_EMERG, device,
"%s: %s %06x %016llx %016llx %016llx %016llx",
reason, scsw_is_tm(&irb->scsw) ? "t" : "c", stat,
DBF_DEV_EVENT(DBF_EMERG, device, "%s: %016llx %08x : "
"%016llx %016llx %016llx %016llx",
reason, *stat, *((u32 *) (stat + 1)),
sense[0], sense[1], sense[2], sense[3]);
} else {
DBF_DEV_EVENT(DBF_EMERG, device, "%s",
"SORRY - NO VALID SENSE AVAILABLE\n");
DBF_DEV_EVENT(DBF_EMERG, device, "%s: %016llx %08x : %s",
reason, *stat, *((u32 *) (stat + 1)),
"NO VALID SENSE");
}
}

Expand All @@ -3135,9 +3120,12 @@ static void dasd_eckd_dump_sense_ccw(struct dasd_device *device,
" I/O status report for device %s:\n",
dev_name(&device->cdev->dev));
len += sprintf(page + len, KERN_ERR PRINTK_HEADER
" in req: %p CS: 0x%02X DS: 0x%02X CC: 0x%02X RC: %d\n",
req, scsw_cstat(&irb->scsw), scsw_dstat(&irb->scsw),
scsw_cc(&irb->scsw), req ? req->intrc : 0);
" in req: %p CC:%02X FC:%02X AC:%02X SC:%02X DS:%02X "
"CS:%02X RC:%d\n",
req, scsw_cc(&irb->scsw), scsw_fctl(&irb->scsw),
scsw_actl(&irb->scsw), scsw_stctl(&irb->scsw),
scsw_dstat(&irb->scsw), scsw_cstat(&irb->scsw),
req ? req->intrc : 0);
len += sprintf(page + len, KERN_ERR PRINTK_HEADER
" device %s: Failing CCW: %p\n",
dev_name(&device->cdev->dev),
Expand Down Expand Up @@ -3238,19 +3226,21 @@ static void dasd_eckd_dump_sense_tcw(struct dasd_device *device,
" I/O status report for device %s:\n",
dev_name(&device->cdev->dev));
len += sprintf(page + len, KERN_ERR PRINTK_HEADER
" in req: %p CS: 0x%02X DS: 0x%02X CC: 0x%02X RC: %d "
"fcxs: 0x%02X schxs: 0x%02X\n", req,
scsw_cstat(&irb->scsw), scsw_dstat(&irb->scsw),
scsw_cc(&irb->scsw), req->intrc,
irb->scsw.tm.fcxs, irb->scsw.tm.schxs);
" in req: %p CC:%02X FC:%02X AC:%02X SC:%02X DS:%02X "
"CS:%02X fcxs:%02X schxs:%02X RC:%d\n",
req, scsw_cc(&irb->scsw), scsw_fctl(&irb->scsw),
scsw_actl(&irb->scsw), scsw_stctl(&irb->scsw),
scsw_dstat(&irb->scsw), scsw_cstat(&irb->scsw),
irb->scsw.tm.fcxs, irb->scsw.tm.schxs,
req ? req->intrc : 0);
len += sprintf(page + len, KERN_ERR PRINTK_HEADER
" device %s: Failing TCW: %p\n",
dev_name(&device->cdev->dev),
(void *) (addr_t) irb->scsw.tm.tcw);

tsb = NULL;
sense = NULL;
if (irb->scsw.tm.tcw && (irb->scsw.tm.fcxs == 0x01))
if (irb->scsw.tm.tcw && (irb->scsw.tm.fcxs & 0x01))
tsb = tcw_get_tsb(
(struct tcw *)(unsigned long)irb->scsw.tm.tcw);

Expand Down Expand Up @@ -3348,7 +3338,7 @@ static void dasd_eckd_dump_sense_tcw(struct dasd_device *device,
static void dasd_eckd_dump_sense(struct dasd_device *device,
struct dasd_ccw_req *req, struct irb *irb)
{
if (req && scsw_is_tm(&req->irb.scsw))
if (scsw_is_tm(&irb->scsw))
dasd_eckd_dump_sense_tcw(device, req, irb);
else
dasd_eckd_dump_sense_ccw(device, req, irb);
Expand Down

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