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authorHarald Freudenberger <freude@linux.ibm.com>2024-02-09 18:14:23 +0300
committerHeiko Carstens <hca@linux.ibm.com>2024-02-16 16:30:13 +0300
commit6a2892d09df545c6ea828bc8ad08112961b88f6d (patch)
tree4012b43383461e6c7f620414950567ea3d747ef5 /drivers/s390/crypto
parent6d749b4e02087fa4a68092eef260d31a345603c6 (diff)
downloadlinux-6a2892d09df545c6ea828bc8ad08112961b88f6d.tar.xz
s390/ap: add debug possibility for AP messages
This patch introduces two dynamic debug hexdump invocation possibilities to be able to a) dump an AP message immediately before it goes into the firmware queue and b) dump a fresh from the firmware queue received AP message. 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')
-rw-r--r--drivers/s390/crypto/ap_queue.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/s390/crypto/ap_queue.c b/drivers/s390/crypto/ap_queue.c
index d8268fee3bd5..6e4e8d324a6d 100644
--- a/drivers/s390/crypto/ap_queue.c
+++ b/drivers/s390/crypto/ap_queue.c
@@ -136,6 +136,8 @@ static struct ap_queue_status ap_sm_recv(struct ap_queue *aq)
switch (status.response_code) {
case AP_RESPONSE_NORMAL:
+ print_hex_dump_debug("aprpl: ", DUMP_PREFIX_ADDRESS, 16, 1,
+ aq->reply->msg, aq->reply->len, false);
aq->queue_count = max_t(int, 0, aq->queue_count - 1);
if (!status.queue_empty && !aq->queue_count)
aq->queue_count++;
@@ -246,6 +248,8 @@ static enum ap_sm_wait ap_sm_write(struct ap_queue *aq)
/* Start the next request on the queue. */
ap_msg = list_entry(aq->requestq.next, struct ap_message, list);
+ print_hex_dump_debug("apreq: ", DUMP_PREFIX_ADDRESS, 16, 1,
+ ap_msg->msg, ap_msg->len, false);
status = __ap_send(qid, ap_msg->psmid,
ap_msg->msg, ap_msg->len,
ap_msg->flags & AP_MSG_FLAG_SPECIAL);