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Diffstat (limited to 'arch/s390/kvm/kvm-s390.h')
-rw-r--r--arch/s390/kvm/kvm-s390.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/s390/kvm/kvm-s390.h b/arch/s390/kvm/kvm-s390.h
index b887fe7a7064..cc309cc37e96 100644
--- a/arch/s390/kvm/kvm-s390.h
+++ b/arch/s390/kvm/kvm-s390.h
@@ -217,6 +217,18 @@ static inline void kvm_s390_set_user_cpu_state_ctrl(struct kvm *kvm)
kvm->arch.user_cpu_state_ctrl = 1;
}
+/* get the end gfn of the last (highest gfn) memslot */
+static inline unsigned long kvm_s390_get_gfn_end(struct kvm_memslots *slots)
+{
+ struct kvm_memory_slot *ms;
+
+ if (WARN_ON(!slots->used_slots))
+ return 0;
+
+ ms = slots->memslots;
+ return ms->base_gfn + ms->npages;
+}
+
/* implemented in pv.c */
int kvm_s390_pv_destroy_cpu(struct kvm_vcpu *vcpu, u16 *rc, u16 *rrc);
int kvm_s390_pv_create_cpu(struct kvm_vcpu *vcpu, u16 *rc, u16 *rrc);