KVM: s390: implement sigp external call

Implement sigp external call, which might be required for guests that
issue an external call instead of an emergency signal for IPI.

This fixes an issue with "KVM: unknown SIGP: 0x02" when booting
such an SMP guest.

Signed-off-by: Christian Ehrhardt <ehrhardt@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/include/linux/kvm.h b/include/linux/kvm.h
index 68840544006d..f47fcd30273d 100644
--- a/include/linux/kvm.h
+++ b/include/linux/kvm.h
@@ -371,6 +371,7 @@ struct kvm_s390_psw {
 #define KVM_S390_INT_VIRTIO             0xffff2603u
 #define KVM_S390_INT_SERVICE            0xffff2401u
 #define KVM_S390_INT_EMERGENCY          0xffff1201u
+#define KVM_S390_INT_EXTERNAL_CALL      0xffff1202u
 
 struct kvm_s390_interrupt {
         __u32 type;