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-rw-r--r--drivers/s390/block/dasd.c11
-rw-r--r--drivers/s390/block/dasd_eckd.c70
2 files changed, 40 insertions, 41 deletions
diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index aa95f1001761..80e45de096a9 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -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);
diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c
index ea0e565ebc9d..50cf96389d2c 100644
--- a/drivers/s390/block/dasd_eckd.c
+++ b/drivers/s390/block/dasd_eckd.c
@@ -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)) {
@@ -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;
};
@@ -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");
}
}
@@ -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),
@@ -3238,11 +3226,13 @@ 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),
@@ -3250,7 +3240,7 @@ static void dasd_eckd_dump_sense_tcw(struct dasd_device *device,
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);
@@ -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);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.