diff options
| author | Harald Freudenberger <freude@linux.ibm.com> | 2021-11-11 16:31:46 +0300 |
|---|---|---|
| committer | Vasily Gorbik <gor@linux.ibm.com> | 2022-03-08 02:33:00 +0300 |
| commit | d64e5e9120a6afc8ebb9e9b46c1302f13b16b68d (patch) | |
| tree | c008a53c36943c1f3b55b35ede39c40510423d6b /drivers/s390/crypto/zcrypt_msgtype50.c | |
| parent | 966ffbd8615a5c1b0bf474314bbd9ea8eb6ef423 (diff) | |
| download | linux-d64e5e9120a6afc8ebb9e9b46c1302f13b16b68d.tar.xz | |
s390/ap/zcrypt: debug feature improvements
This patch adds some debug feature improvements related
to some failures happened in the past. With CEX8 the max
request and response sizes have been extended but the
user space applications did not rework their code and
thus ran into receive buffer issues. This ffdc patch
here helps with additional checks and debug feature
messages in debugging and pointing to the root cause of
some failures related to wrong buffer sizes.
Signed-off-by: Harald Freudenberger <freude@linux.ibm.com>
Reviewed-by: Jürgen Christ <jchrist@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Diffstat (limited to 'drivers/s390/crypto/zcrypt_msgtype50.c')
| -rw-r--r-- | drivers/s390/crypto/zcrypt_msgtype50.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/s390/crypto/zcrypt_msgtype50.c b/drivers/s390/crypto/zcrypt_msgtype50.c index f42e8c511184..b6dcdd2a66d4 100644 --- a/drivers/s390/crypto/zcrypt_msgtype50.c +++ b/drivers/s390/crypto/zcrypt_msgtype50.c @@ -497,6 +497,10 @@ static long zcrypt_cex2a_modexpo(struct zcrypt_queue *zq, ap_cancel_message(zq->queue, ap_msg); out: ap_msg->private = NULL; + if (rc) + ZCRYPT_DBF_DBG("%s send me cprb at dev=%02x.%04x rc=%d\n", + __func__, AP_QID_CARD(zq->queue->qid), + AP_QID_QUEUE(zq->queue->qid), rc); return rc; } @@ -542,6 +546,10 @@ static long zcrypt_cex2a_modexpo_crt(struct zcrypt_queue *zq, ap_cancel_message(zq->queue, ap_msg); out: ap_msg->private = NULL; + if (rc) + ZCRYPT_DBF_DBG("%s send crt cprb at dev=%02x.%04x rc=%d\n", + __func__, AP_QID_CARD(zq->queue->qid), + AP_QID_QUEUE(zq->queue->qid), rc); return rc; } |