+extern struct dentry *kvm_debugfs_dir;
+
+#define KVMTRACE_5D(evt, vcpu, d1, d2, d3, d4, d5, name) \
+ trace_mark(kvm_trace_##name, "%u %p %u %u %u %u %u %u", KVM_TRC_##evt, \
+ vcpu, 5, d1, d2, d3, d4, d5)
+#define KVMTRACE_4D(evt, vcpu, d1, d2, d3, d4, name) \
+ trace_mark(kvm_trace_##name, "%u %p %u %u %u %u %u %u", KVM_TRC_##evt, \
+ vcpu, 4, d1, d2, d3, d4, 0)
+#define KVMTRACE_3D(evt, vcpu, d1, d2, d3, name) \
+ trace_mark(kvm_trace_##name, "%u %p %u %u %u %u %u %u", KVM_TRC_##evt, \
+ vcpu, 3, d1, d2, d3, 0, 0)
+#define KVMTRACE_2D(evt, vcpu, d1, d2, name) \
+ trace_mark(kvm_trace_##name, "%u %p %u %u %u %u %u %u", KVM_TRC_##evt, \
+ vcpu, 2, d1, d2, 0, 0, 0)
+#define KVMTRACE_1D(evt, vcpu, d1, name) \
+ trace_mark(kvm_trace_##name, "%u %p %u %u %u %u %u %u", KVM_TRC_##evt, \
+ vcpu, 1, d1, 0, 0, 0, 0)
+#define KVMTRACE_0D(evt, vcpu, name) \
+ trace_mark(kvm_trace_##name, "%u %p %u %u %u %u %u %u", KVM_TRC_##evt, \
+ vcpu, 0, 0, 0, 0, 0, 0)
+
+#ifdef CONFIG_KVM_TRACE
+int kvm_trace_ioctl(unsigned int ioctl, unsigned long arg);
+void kvm_trace_cleanup(void);
+#else
+static inline
+int kvm_trace_ioctl(unsigned int ioctl, unsigned long arg)
+{
+ return -EINVAL;
+}
+#define kvm_trace_cleanup() ((void)0)
+#endif
+
+#ifdef KVM_ARCH_WANT_MMU_NOTIFIER
+static inline int mmu_notifier_retry(struct kvm_vcpu *vcpu, unsigned long mmu_seq)
+{
+ if (unlikely(vcpu->kvm->mmu_notifier_count))
+ return 1;
+ /*
+ * Both reads happen under the mmu_lock and both values are
+ * modified under mmu_lock, so there's no need of smb_rmb()
+ * here in between, otherwise mmu_notifier_count should be
+ * read before mmu_notifier_seq, see
+ * mmu_notifier_invalidate_range_end write side.
+ */
+ if (vcpu->kvm->mmu_notifier_seq != mmu_seq)
+ return 1;
+ return 0;
+}
+#endif
+
+#ifdef CONFIG_HAVE_KVM_IRQCHIP
+
+#define KVM_MAX_IRQ_ROUTES 1024
+
+int kvm_setup_default_irq_routing(struct kvm *kvm);
+int kvm_set_irq_routing(struct kvm *kvm,
+ const struct kvm_irq_routing_entry *entries,
+ unsigned nr,
+ unsigned flags);
+void kvm_free_irq_routing(struct kvm *kvm);
+
+#else
+
+static inline void kvm_free_irq_routing(struct kvm *kvm) {}
+
+#endif