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KVM: s390/cpacf: Enable/disable protected key functions for kvm guest
Created new KVM device attributes for indicating whether the AES and DES/TDES protected key functions are available for programs running on the KVM guest. The attributes are used to set up the controls in the guest SIE block that specify whether programs running on the guest will be given access to the protected key functions available on the s390 hardware. Signed-off-by: Tony Krowiak <akrowiak@linux.vnet.ibm.com> Reviewed-by: David Hildenbrand <dahi@linux.vnet.ibm.com> Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com> Reviewed-by: Michael Mueller <mimu@linux.vnet.ibm.com> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> [split MSA4/protected key into two patches]
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