s390/ap/zcrypt: debug feature improvements

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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>

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Harald Freudenberger 2021-11-11 14:31:46 +01:00 • committed by Vasily Gorbik

parent 966ffbd861

commit d64e5e9120

4 changed files with 58 additions and 4 deletions

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3

drivers/s390/crypto/ap_queue.c

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19

drivers/s390/crypto/zcrypt_api.c

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8

drivers/s390/crypto/zcrypt_msgtype50.c

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32

drivers/s390/crypto/zcrypt_msgtype6.c

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