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path: root/drivers/s390/cio/qdio_main.c
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Diffstat (limited to 'drivers/s390/cio/qdio_main.c')
-rw-r--r--drivers/s390/cio/qdio_main.c74
1 files changed, 34 insertions, 40 deletions
diff --git a/drivers/s390/cio/qdio_main.c b/drivers/s390/cio/qdio_main.c
index d15648514a0f..e6eabc853422 100644
--- a/drivers/s390/cio/qdio_main.c
+++ b/drivers/s390/cio/qdio_main.c
@@ -330,6 +330,7 @@ static int qdio_siga_output(struct qdio_q *q)
int cc;
u32 busy_bit;
u64 start_time = 0;
+ char dbf_text[15];
QDIO_DBF_TEXT5(0, trace, "sigaout");
QDIO_DBF_HEX5(0, trace, &q, sizeof(void *));
@@ -338,6 +339,9 @@ static int qdio_siga_output(struct qdio_q *q)
again:
cc = qdio_do_siga_output(q, &busy_bit);
if (queue_type(q) == QDIO_IQDIO_QFMT && cc == 2 && busy_bit) {
+ sprintf(dbf_text, "bb%4x%2x", q->irq_ptr->schid.sch_no, q->nr);
+ QDIO_DBF_TEXT3(0, trace, dbf_text);
+
if (!start_time)
start_time = get_usecs();
else if ((get_usecs() - start_time) < QDIO_BUSY_BIT_PATIENCE)
@@ -748,16 +752,18 @@ static void qdio_kick_outbound_q(struct qdio_q *q)
rc = qdio_siga_output(q);
switch (rc) {
case 0:
- /* went smooth this time, reset timestamp */
- q->u.out.timestamp = 0;
-
/* TODO: improve error handling for CC=0 case */
#ifdef CONFIG_QDIO_DEBUG
- QDIO_DBF_TEXT3(0, trace, "cc2reslv");
- sprintf(dbf_text, "%4x%2x%2x", q->irq_ptr->schid.sch_no, q->nr,
- atomic_read(&q->u.out.busy_siga_counter));
- QDIO_DBF_TEXT3(0, trace, dbf_text);
+ if (q->u.out.timestamp) {
+ QDIO_DBF_TEXT3(0, trace, "cc2reslv");
+ sprintf(dbf_text, "%4x%2x%2x", q->irq_ptr->schid.sch_no,
+ q->nr,
+ atomic_read(&q->u.out.busy_siga_counter));
+ QDIO_DBF_TEXT3(0, trace, dbf_text);
+ }
#endif /* CONFIG_QDIO_DEBUG */
+ /* went smooth this time, reset timestamp */
+ q->u.out.timestamp = 0;
break;
/* cc=2 and busy bit */
case (2 | QDIO_ERROR_SIGA_BUSY):
@@ -1066,14 +1072,12 @@ void qdio_int_handler(struct ccw_device *cdev, unsigned long intparm,
if (IS_ERR(irb)) {
switch (PTR_ERR(irb)) {
case -EIO:
- sprintf(dbf_text, "ierr%4x",
- cdev->private->schid.sch_no);
+ sprintf(dbf_text, "ierr%4x", irq_ptr->schid.sch_no);
QDIO_DBF_TEXT2(1, setup, dbf_text);
qdio_int_error(cdev);
return;
case -ETIMEDOUT:
- sprintf(dbf_text, "qtoh%4x",
- cdev->private->schid.sch_no);
+ sprintf(dbf_text, "qtoh%4x", irq_ptr->schid.sch_no);
QDIO_DBF_TEXT2(1, setup, dbf_text);
qdio_int_error(cdev);
return;
@@ -1124,8 +1128,10 @@ void qdio_int_handler(struct ccw_device *cdev, unsigned long intparm,
struct qdio_ssqd_desc *qdio_get_ssqd_desc(struct ccw_device *cdev)
{
struct qdio_irq *irq_ptr;
+ char dbf_text[15];
- QDIO_DBF_TEXT0(0, setup, "getssqd");
+ sprintf(dbf_text, "qssq%4x", cdev->private->schid.sch_no);
+ QDIO_DBF_TEXT0(0, setup, dbf_text);
irq_ptr = cdev->private->qdio_data;
if (!irq_ptr)
@@ -1149,14 +1155,13 @@ int qdio_cleanup(struct ccw_device *cdev, int how)
char dbf_text[15];
int rc;
+ sprintf(dbf_text, "qcln%4x", cdev->private->schid.sch_no);
+ QDIO_DBF_TEXT0(0, setup, dbf_text);
+
irq_ptr = cdev->private->qdio_data;
if (!irq_ptr)
return -ENODEV;
- sprintf(dbf_text, "qcln%4x", irq_ptr->schid.sch_no);
- QDIO_DBF_TEXT1(0, trace, dbf_text);
- QDIO_DBF_TEXT0(0, setup, dbf_text);
-
rc = qdio_shutdown(cdev, how);
if (rc == 0)
rc = qdio_free(cdev);
@@ -1191,6 +1196,9 @@ int qdio_shutdown(struct ccw_device *cdev, int how)
unsigned long flags;
char dbf_text[15];
+ sprintf(dbf_text, "qshu%4x", cdev->private->schid.sch_no);
+ QDIO_DBF_TEXT0(0, setup, dbf_text);
+
irq_ptr = cdev->private->qdio_data;
if (!irq_ptr)
return -ENODEV;
@@ -1205,10 +1213,6 @@ int qdio_shutdown(struct ccw_device *cdev, int how)
return 0;
}
- sprintf(dbf_text, "qsqs%4x", irq_ptr->schid.sch_no);
- QDIO_DBF_TEXT1(0, trace, dbf_text);
- QDIO_DBF_TEXT0(0, setup, dbf_text);
-
tiqdio_remove_input_queues(irq_ptr);
qdio_shutdown_queues(cdev);
qdio_shutdown_debug_entries(irq_ptr, cdev);
@@ -1247,7 +1251,6 @@ no_cleanup:
qdio_set_state(irq_ptr, QDIO_IRQ_STATE_INACTIVE);
mutex_unlock(&irq_ptr->setup_mutex);
- module_put(THIS_MODULE);
if (rc)
return rc;
return 0;
@@ -1263,16 +1266,14 @@ int qdio_free(struct ccw_device *cdev)
struct qdio_irq *irq_ptr;
char dbf_text[15];
+ sprintf(dbf_text, "qfre%4x", cdev->private->schid.sch_no);
+ QDIO_DBF_TEXT0(0, setup, dbf_text);
+
irq_ptr = cdev->private->qdio_data;
if (!irq_ptr)
return -ENODEV;
mutex_lock(&irq_ptr->setup_mutex);
-
- sprintf(dbf_text, "qfqs%4x", irq_ptr->schid.sch_no);
- QDIO_DBF_TEXT1(0, trace, dbf_text);
- QDIO_DBF_TEXT0(0, setup, dbf_text);
-
cdev->private->qdio_data = NULL;
mutex_unlock(&irq_ptr->setup_mutex);
@@ -1295,7 +1296,6 @@ int qdio_initialize(struct qdio_initialize *init_data)
sprintf(dbf_text, "qini%4x", init_data->cdev->private->schid.sch_no);
QDIO_DBF_TEXT0(0, setup, dbf_text);
- QDIO_DBF_TEXT0(0, trace, dbf_text);
rc = qdio_allocate(init_data);
if (rc)
@@ -1319,7 +1319,6 @@ int qdio_allocate(struct qdio_initialize *init_data)
sprintf(dbf_text, "qalc%4x", init_data->cdev->private->schid.sch_no);
QDIO_DBF_TEXT0(0, setup, dbf_text);
- QDIO_DBF_TEXT0(0, trace, dbf_text);
if ((init_data->no_input_qs && !init_data->input_handler) ||
(init_data->no_output_qs && !init_data->output_handler))
@@ -1389,6 +1388,9 @@ int qdio_establish(struct qdio_initialize *init_data)
unsigned long saveflags;
int rc;
+ sprintf(dbf_text, "qest%4x", cdev->private->schid.sch_no);
+ QDIO_DBF_TEXT0(0, setup, dbf_text);
+
irq_ptr = cdev->private->qdio_data;
if (!irq_ptr)
return -ENODEV;
@@ -1396,13 +1398,6 @@ int qdio_establish(struct qdio_initialize *init_data)
if (cdev->private->state != DEV_STATE_ONLINE)
return -EINVAL;
- if (!try_module_get(THIS_MODULE))
- return -EINVAL;
-
- sprintf(dbf_text, "qest%4x", cdev->private->schid.sch_no);
- QDIO_DBF_TEXT0(0, setup, dbf_text);
- QDIO_DBF_TEXT0(0, trace, dbf_text);
-
mutex_lock(&irq_ptr->setup_mutex);
qdio_setup_irq(init_data);
@@ -1472,6 +1467,9 @@ int qdio_activate(struct ccw_device *cdev)
unsigned long saveflags;
char dbf_text[20];
+ sprintf(dbf_text, "qact%4x", cdev->private->schid.sch_no);
+ QDIO_DBF_TEXT0(0, setup, dbf_text);
+
irq_ptr = cdev->private->qdio_data;
if (!irq_ptr)
return -ENODEV;
@@ -1485,10 +1483,6 @@ int qdio_activate(struct ccw_device *cdev)
goto out;
}
- sprintf(dbf_text, "qact%4x", irq_ptr->schid.sch_no);
- QDIO_DBF_TEXT2(0, setup, dbf_text);
- QDIO_DBF_TEXT2(0, trace, dbf_text);
-
irq_ptr->ccw.cmd_code = irq_ptr->aqueue.cmd;
irq_ptr->ccw.flags = CCW_FLAG_SLI;
irq_ptr->ccw.count = irq_ptr->aqueue.count;
@@ -1663,7 +1657,7 @@ int do_QDIO(struct ccw_device *cdev, unsigned int callflags,
#ifdef CONFIG_QDIO_DEBUG
char dbf_text[20];
- sprintf(dbf_text, "doQD%04x", cdev->private->schid.sch_no);
+ sprintf(dbf_text, "doQD%4x", cdev->private->schid.sch_no);
QDIO_DBF_TEXT3(0, trace, dbf_text);
#endif /* CONFIG_QDIO_DEBUG */
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