From: Harald Freudenberger Date: Fri, 9 Feb 2024 15:14:23 +0000 (+0100) Subject: s390/ap: add debug possibility for AP messages X-Git-Tag: for-linus-6.9~378^2~68 X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=6a2892d09df545c6ea828bc8ad08112961b88f6d;p=users%2Fdwmw2%2Flinux.git 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 Reviewed-by: Holger Dengler Signed-off-by: Heiko Carstens --- diff --git a/drivers/s390/crypto/ap_queue.c b/drivers/s390/crypto/ap_queue.c index d8268fee3bd5c..6e4e8d324a6de 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);