X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=arch%2Fs390%2Fkvm%2Fkvm-s390.h;h=c5aefef158e52f0f5855834e6df45f9d1e933128;hb=18280d8b4bcd4a2b174ee3cd748166c6190acacb;hp=5d54191e573ec8da83b4a6d8ac4d2190a089c80b;hpb=400ac6cd73633f61e42a035b910c3db2b590b9d5;p=firefly-linux-kernel-4.4.55.git

diff --git a/arch/s390/kvm/kvm-s390.h b/arch/s390/kvm/kvm-s390.h
index 5d54191e573e..c5aefef158e5 100644
--- a/arch/s390/kvm/kvm-s390.h
+++ b/arch/s390/kvm/kvm-s390.h
@@ -149,6 +149,17 @@ static inline int test_kvm_facility(struct kvm *kvm, unsigned long nr)
 		__test_facility(nr, kvm->arch.model.fac->list);
 }
 
+static inline int set_kvm_facility(u64 *fac_list, unsigned long nr)
+{
+	unsigned char *ptr;
+
+	if (nr >= MAX_FACILITY_BIT)
+		return -EINVAL;
+	ptr = (unsigned char *) fac_list + (nr >> 3);
+	*ptr |= (0x80UL >> (nr & 7));
+	return 0;
+}
+
 /* are cpu states controlled by user space */
 static inline int kvm_s390_user_cpu_state_ctrl(struct kvm *kvm)
 {