s390/vfio-ap: wait for response code 05 to clear on queue reset

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Response code 05, AP busy, is a valid response code for a ZAPQ or TAPQ.
Instead of returning error -EIO when a ZAPQ fails with response code 05,
let's wait until the queue is no longer busy and try the ZAPQ again.

Signed-off-by: Tony Krowiak <akrowiak@linux.ibm.com>
Acked-by: Janosch Frank <frankja@linux.ibm.com>
Tested-by: Viktor Mihajlovski <mihajlov@linux.ibm.com>
Link: https://lore.kernel.org/r/20230815184333.6554-4-akrowiak@linux.ibm.com
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>

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Tony Krowiak 2023-08-15 14:43:24 -04:00 • committed by Heiko Carstens

parent 7aa7b2a80c

commit 411b0109da

1 changed files with 2 additions and 0 deletions

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drivers/s390/crypto/vfio_ap_ops.c

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