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authorPierre Morel <pmorel@linux.ibm.com>2019-05-21 17:34:37 +0200
committerVasily Gorbik <gor@linux.ibm.com>2019-07-02 16:00:28 +0200
commit05f31e3bf6b34fe6e4922868d132f6455f81d5bf (patch)
tree86df66ad01871576eacb5950d70f2bc33fac0cc5 /arch/s390
parentec89b55e3bce7c8a4bc6b1203280e81342d6745c (diff)
downloadlinux-05f31e3bf6b34fe6e4922868d132f6455f81d5bf.tar.gz
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>
Diffstat (limited to 'arch/s390')
-rw-r--r--arch/s390/kvm/kvm-s390.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index 28ebd647784c..1c4113f0f2a8 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -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;