What is the use of z90crypt device driver ?

Solution Verified - Updated -

Issue

  • What is the use of z90crypt device driver ?
  • Which kernel version support Crypto Express 4 (CEX4) adapter card ?
  • How to load and unload z90crypt device driver for Crypto Express 4 (CEX4) adapter card ?

Environment

  • Red Hat Enterprise Linux 6 (s390/s390x)
  • Crypto Express 4 (CEX4) adapter card
  • z90crypt

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