diff options
| author |   Pierre Morel <pmorel@linux.ibm.com> | 2019-05-21 17:34:37 +0200 |
|---|---|---|
| committer |   Vasily Gorbik <gor@linux.ibm.com> | 2019-07-02 16:00:28 +0200 |
| commit | 05f31e3bf6b34fe6e4922868d132f6455f81d5bf (patch) | |
| tree | 86df66ad01871576eacb5950d70f2bc33fac0cc5 /arch/s390/kvm/kvm-s390.c | |
| parent | s390: ap: implement PAPQ AQIC interception in kernel (diff) | |
| download | linux-dev-05f31e3bf6b34fe6e4922868d132f6455f81d5bf.tar.xz linux-dev-05f31e3bf6b34fe6e4922868d132f6455f81d5bf.zip | |
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 '')
| -rw-r--r-- | arch/s390/kvm/kvm-s390.c | 3 |
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; |