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s390: ap: kvm: Enable PQAP/AQIC facility for the guest

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AP Queue Interruption Control (AQIC) facility gives
the guest the possibility to control interruption for
the Cryptographic Adjunct Processor queues.

Signed-off-by: Pierre Morel <pmorel@linux.ibm.com>
Reviewed-by: Tony Krowiak <akrowiak@linux.ibm.com>
Acked-by: Harald Freudenberger <freude@linux.ibm.com>
Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Halil Pasic <pasic@linux.ibm.com>
[ Modified while picking: we may not expose STFLE facility 65
unconditionally because AIV is a pre-requirement.]
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
This commit is contained in:
Pierre Morel 2019-05-21 17:34:37 +02:00 committed by Vasily Gorbik
parent ec89b55e3b
commit 05f31e3bf6
1 changed files with 3 additions and 0 deletions
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arch/s390/kvm/kvm-s390.c
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@ -2461,6 +2461,9 @@ int kvm_arch_init_vm(struct kvm *kvm, unsigned long type)
set_kvm_facility(kvm->arch.model.fac_list, 147);
}
if (css_general_characteristics.aiv && test_facility(65))
set_kvm_facility(kvm->arch.model.fac_mask, 65);
kvm->arch.model.cpuid = kvm_s390_get_initial_cpuid();
kvm->arch.model.ibc = sclp.ibc & 0x0fff;