KVM: s390: vsie: support 64-bit-SCAO

Let's provide the 64-bit-SCAO facility to guest 2, so he can set up a SCA
for guest 3 that has a 64 bit address. Please note that we already require
the 64 bit SCAO for our vsie implementation, in order to forward the SCA
directly (by pinning the page).

Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/arch/s390/include/uapi/asm/kvm.h b/arch/s390/include/uapi/asm/kvm.h
index 62423b1931c0..c5e4537e96d9 100644
--- a/arch/s390/include/uapi/asm/kvm.h
+++ b/arch/s390/include/uapi/asm/kvm.h
@@ -99,6 +99,7 @@ struct kvm_s390_vm_cpu_machine {
 #define KVM_S390_VM_CPU_FEAT_NR_BITS    1024
 #define KVM_S390_VM_CPU_FEAT_ESOP       0
 #define KVM_S390_VM_CPU_FEAT_SIEF2      1
+#define KVM_S390_VM_CPU_FEAT_64BSCAO    2
 struct kvm_s390_vm_cpu_feat {
         __u64 feat[16];
 };