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-rw-r--r--drivers/s390/block/dasd.c24
-rw-r--r--drivers/s390/block/dasd_3990_erp.c3
-rw-r--r--drivers/s390/block/dasd_diag.c19
-rw-r--r--drivers/s390/block/dasd_diag.h4
-rw-r--r--drivers/s390/block/dasd_eckd.c68
-rw-r--r--drivers/s390/block/dasd_proc.c1
6 files changed, 61 insertions, 58 deletions
diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index aa95f1001761..fb613d70c2cb 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -1099,16 +1099,30 @@ 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)) {
- dasd_device_clear_timer(device);
- device->discipline->handle_unsolicited_interrupt(device,
- irb);
+ if (IS_ERR(device))
+ return;
+ /* ignore unsolicited interrupts for DIAG discipline */
+ if (device->discipline == dasd_diag_discipline_pointer) {
dasd_put_device(device);
+ return;
}
+ 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);
+ dasd_put_device(device);
return;
}
diff --git a/drivers/s390/block/dasd_3990_erp.c b/drivers/s390/block/dasd_3990_erp.c
index e82d427ff5eb..968c76cf7127 100644
--- a/drivers/s390/block/dasd_3990_erp.c
+++ b/drivers/s390/block/dasd_3990_erp.c
@@ -221,6 +221,7 @@ dasd_3990_erp_DCTL(struct dasd_ccw_req * erp, char modifier)
ccw->cmd_code = CCW_CMD_DCTL;
ccw->count = 4;
ccw->cda = (__u32)(addr_t) DCTL_data;
+ dctl_cqr->flags = erp->flags;
dctl_cqr->function = dasd_3990_erp_DCTL;
dctl_cqr->refers = erp;
dctl_cqr->startdev = device;
@@ -1710,6 +1711,7 @@ dasd_3990_erp_action_1B_32(struct dasd_ccw_req * default_erp, char *sense)
ccw->cda = cpa;
/* fill erp related fields */
+ erp->flags = default_erp->flags;
erp->function = dasd_3990_erp_action_1B_32;
erp->refers = default_erp->refers;
erp->startdev = device;
@@ -2354,6 +2356,7 @@ static struct dasd_ccw_req *dasd_3990_erp_add_erp(struct dasd_ccw_req *cqr)
ccw->cda = (long)(cqr->cpaddr);
}
+ erp->flags = cqr->flags;
erp->function = dasd_3990_erp_add_erp;
erp->refers = cqr;
erp->startdev = device;
diff --git a/drivers/s390/block/dasd_diag.c b/drivers/s390/block/dasd_diag.c
index 2b3bc3ec0541..266b34b55403 100644
--- a/drivers/s390/block/dasd_diag.c
+++ b/drivers/s390/block/dasd_diag.c
@@ -228,25 +228,22 @@ dasd_diag_term_IO(struct dasd_ccw_req * cqr)
}
/* Handle external interruption. */
-static void
-dasd_ext_handler(__u16 code)
+static void dasd_ext_handler(unsigned int ext_int_code,
+ unsigned int param32, unsigned long param64)
{
struct dasd_ccw_req *cqr, *next;
struct dasd_device *device;
unsigned long long expires;
unsigned long flags;
- u8 int_code, status;
addr_t ip;
int rc;
- int_code = *((u8 *) DASD_DIAG_LC_INT_CODE);
- status = *((u8 *) DASD_DIAG_LC_INT_STATUS);
- switch (int_code) {
+ switch (ext_int_code >> 24) {
case DASD_DIAG_CODE_31BIT:
- ip = (addr_t) *((u32 *) DASD_DIAG_LC_INT_PARM_31BIT);
+ ip = (addr_t) param32;
break;
case DASD_DIAG_CODE_64BIT:
- ip = (addr_t) *((u64 *) DASD_DIAG_LC_INT_PARM_64BIT);
+ ip = (addr_t) param64;
break;
default:
return;
@@ -281,7 +278,7 @@ dasd_ext_handler(__u16 code)
cqr->stopclk = get_clock();
expires = 0;
- if (status == 0) {
+ if ((ext_int_code & 0xff0000) == 0) {
cqr->status = DASD_CQR_SUCCESS;
/* Start first request on queue if possible -> fast_io. */
if (!list_empty(&device->ccw_queue)) {
@@ -296,8 +293,8 @@ dasd_ext_handler(__u16 code)
} else {
cqr->status = DASD_CQR_QUEUED;
DBF_DEV_EVENT(DBF_DEBUG, device, "interrupt status for "
- "request %p was %d (%d retries left)", cqr, status,
- cqr->retries);
+ "request %p was %d (%d retries left)", cqr,
+ (ext_int_code >> 16) & 0xff, cqr->retries);
dasd_diag_erp(device);
}
diff --git a/drivers/s390/block/dasd_diag.h b/drivers/s390/block/dasd_diag.h
index b8c78267ff3e..4f71fbe60c82 100644
--- a/drivers/s390/block/dasd_diag.h
+++ b/drivers/s390/block/dasd_diag.h
@@ -18,10 +18,6 @@
#define DEV_CLASS_FBA 0x01
#define DEV_CLASS_ECKD 0x04
-#define DASD_DIAG_LC_INT_CODE 132
-#define DASD_DIAG_LC_INT_STATUS 133
-#define DASD_DIAG_LC_INT_PARM_31BIT 128
-#define DASD_DIAG_LC_INT_PARM_64BIT 4536
#define DASD_DIAG_CODE_31BIT 0x03
#define DASD_DIAG_CODE_64BIT 0x07
diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c
index 59b4ecfb967b..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;
};
@@ -3093,19 +3082,19 @@ dasd_eckd_dump_sense_dbf(struct dasd_device *device, struct irb *irb,
char *reason)
{
u64 *sense;
+ u64 *stat;
sense = (u64 *) dasd_get_sense(irb);
+ stat = (u64 *) &irb->scsw;
if (sense) {
- DBF_DEV_EVENT(DBF_EMERG, device,
- "%s: %s %02x%02x%02x %016llx %016llx %016llx "
- "%016llx", reason,
- scsw_is_tm(&irb->scsw) ? "t" : "c",
- scsw_cc(&irb->scsw), scsw_cstat(&irb->scsw),
- scsw_dstat(&irb->scsw), sense[0], sense[1],
- sense[2], sense[3]);
+ 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");
}
}
@@ -3131,9 +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),
@@ -3234,11 +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),
@@ -3246,7 +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);
@@ -3344,7 +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);
diff --git a/drivers/s390/block/dasd_proc.c b/drivers/s390/block/dasd_proc.c
index 2eb025592809..c4a6a31bd9cd 100644
--- a/drivers/s390/block/dasd_proc.c
+++ b/drivers/s390/block/dasd_proc.c
@@ -251,7 +251,6 @@ static ssize_t dasd_stats_proc_write(struct file *file,
buffer = dasd_get_user_string(user_buf, user_len);
if (IS_ERR(buffer))
return PTR_ERR(buffer);
- DBF_EVENT(DBF_DEBUG, "/proc/dasd/statictics: '%s'\n", buffer);
/* check for valid verbs */
str = skip_spaces(buffer);
generated by cgit v1.2.3 (git 2.0.4) at 2025-01-03 21:44:15 +0000