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authorHarald Freudenberger <freude@linux.ibm.com>2024-01-30 10:07:28 +0100
committerHeiko Carstens <hca@linux.ibm.com>2024-02-16 14:30:12 +0100
commit08b2c3706de21d77cfe88017536f790a86bed397 (patch)
tree0bead37df24a6b92346805b7aa69198f0e747b2d /drivers/s390/crypto/ap_queue.c
parent88e4c0da9b08fb8dd52840922837589157455449 (diff)
s390/zcrypt: introduce dynamic debugging for AP and zcrypt code
This patch replaces all the s390 debug feature calls with debug level by dynamic debug calls pr_debug. These calls are much more flexible and each single invocation can get enabled/disabled at runtime wheres the s390 debug feature debug calls have only one knob - enable or disable all in one bunch. The benefit is especially significant with high frequency called functions like the AP bus scan. In most debugging scenarios you don't want and need them, but sometimes it is crucial to know exactly when and how long the AP bus scan took. Signed-off-by: Harald Freudenberger <freude@linux.ibm.com> Reviewed-by: Holger Dengler <dengler@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Diffstat (limited to 'drivers/s390/crypto/ap_queue.c')
-rw-r--r--drivers/s390/crypto/ap_queue.c27
1 files changed, 15 insertions, 12 deletions
diff --git a/drivers/s390/crypto/ap_queue.c b/drivers/s390/crypto/ap_queue.c
index 682595443145..d8268fee3bd5 100644
--- a/drivers/s390/crypto/ap_queue.c
+++ b/drivers/s390/crypto/ap_queue.c
@@ -169,6 +169,9 @@ static struct ap_queue_status ap_sm_recv(struct ap_queue *aq)
aq->queue_count = 0;
list_splice_init(&aq->pendingq, &aq->requestq);
aq->requestq_count += aq->pendingq_count;
+ pr_debug("%s queue 0x%02x.%04x rescheduled %d reqs (new req %d)\n",
+ __func__, AP_QID_CARD(aq->qid), AP_QID_QUEUE(aq->qid),
+ aq->pendingq_count, aq->requestq_count);
aq->pendingq_count = 0;
break;
default:
@@ -446,9 +449,9 @@ static enum ap_sm_wait ap_sm_assoc_wait(struct ap_queue *aq)
case AP_BS_Q_USABLE:
/* association is through */
aq->sm_state = AP_SM_STATE_IDLE;
- AP_DBF_DBG("%s queue 0x%02x.%04x associated with %u\n",
- __func__, AP_QID_CARD(aq->qid),
- AP_QID_QUEUE(aq->qid), aq->assoc_idx);
+ pr_debug("%s queue 0x%02x.%04x associated with %u\n",
+ __func__, AP_QID_CARD(aq->qid),
+ AP_QID_QUEUE(aq->qid), aq->assoc_idx);
return AP_SM_WAIT_NONE;
case AP_BS_Q_USABLE_NO_SECURE_KEY:
/* association still pending */
@@ -690,9 +693,9 @@ static ssize_t ap_functions_show(struct device *dev,
status = ap_test_queue(aq->qid, 1, &hwinfo);
if (status.response_code > AP_RESPONSE_BUSY) {
- AP_DBF_DBG("%s RC 0x%02x on tapq(0x%02x.%04x)\n",
- __func__, status.response_code,
- AP_QID_CARD(aq->qid), AP_QID_QUEUE(aq->qid));
+ pr_debug("%s RC 0x%02x on tapq(0x%02x.%04x)\n",
+ __func__, status.response_code,
+ AP_QID_CARD(aq->qid), AP_QID_QUEUE(aq->qid));
return -EIO;
}
@@ -846,9 +849,9 @@ static ssize_t se_bind_show(struct device *dev,
status = ap_test_queue(aq->qid, 1, &hwinfo);
if (status.response_code > AP_RESPONSE_BUSY) {
- AP_DBF_DBG("%s RC 0x%02x on tapq(0x%02x.%04x)\n",
- __func__, status.response_code,
- AP_QID_CARD(aq->qid), AP_QID_QUEUE(aq->qid));
+ pr_debug("%s RC 0x%02x on tapq(0x%02x.%04x)\n",
+ __func__, status.response_code,
+ AP_QID_CARD(aq->qid), AP_QID_QUEUE(aq->qid));
return -EIO;
}
@@ -974,9 +977,9 @@ static ssize_t se_associate_show(struct device *dev,
status = ap_test_queue(aq->qid, 1, &hwinfo);
if (status.response_code > AP_RESPONSE_BUSY) {
- AP_DBF_DBG("%s RC 0x%02x on tapq(0x%02x.%04x)\n",
- __func__, status.response_code,
- AP_QID_CARD(aq->qid), AP_QID_QUEUE(aq->qid));
+ pr_debug("%s RC 0x%02x on tapq(0x%02x.%04x)\n",
+ __func__, status.response_code,
+ AP_QID_CARD(aq->qid), AP_QID_QUEUE(aq->qid));
return -EIO;
}