Commit 05f31e3b authored May 21, 2019 by Pierre Morel Committed by Vasily Gorbik Jul 02, 2019

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



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>

parent ec89b55e

arch/s390/kvm/kvm-s390.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -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;