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Diffstat (limited to 'include/linux/kvm_host.h')
-rw-r--r--include/linux/kvm_host.h33
1 files changed, 32 insertions, 1 deletions
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index 291d49b9bf05..3bde4fb5c6aa 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -1015,6 +1015,10 @@ static inline struct kvm_vcpu *kvm_get_vcpu_by_id(struct kvm *kvm, int id)
void kvm_destroy_vcpus(struct kvm *kvm);
+int kvm_trylock_all_vcpus(struct kvm *kvm);
+int kvm_lock_all_vcpus(struct kvm *kvm);
+void kvm_unlock_all_vcpus(struct kvm *kvm);
+
void vcpu_load(struct kvm_vcpu *vcpu);
void vcpu_put(struct kvm_vcpu *vcpu);
@@ -1505,7 +1509,16 @@ bool kvm_vcpu_block(struct kvm_vcpu *vcpu);
void kvm_arch_vcpu_blocking(struct kvm_vcpu *vcpu);
void kvm_arch_vcpu_unblocking(struct kvm_vcpu *vcpu);
bool kvm_vcpu_wake_up(struct kvm_vcpu *vcpu);
-void kvm_vcpu_kick(struct kvm_vcpu *vcpu);
+
+#ifndef CONFIG_S390
+void __kvm_vcpu_kick(struct kvm_vcpu *vcpu, bool wait);
+
+static inline void kvm_vcpu_kick(struct kvm_vcpu *vcpu)
+{
+ __kvm_vcpu_kick(vcpu, false);
+}
+#endif
+
int kvm_vcpu_yield_to(struct kvm_vcpu *target);
void kvm_vcpu_on_spin(struct kvm_vcpu *vcpu, bool yield_to_kernel_mode);
@@ -1610,6 +1623,7 @@ void kvm_arch_disable_virtualization(void);
int kvm_arch_enable_virtualization_cpu(void);
void kvm_arch_disable_virtualization_cpu(void);
#endif
+bool kvm_vcpu_has_events(struct kvm_vcpu *vcpu);
int kvm_arch_vcpu_runnable(struct kvm_vcpu *vcpu);
bool kvm_arch_vcpu_in_kernel(struct kvm_vcpu *vcpu);
int kvm_arch_vcpu_should_kick(struct kvm_vcpu *vcpu);
@@ -2252,6 +2266,14 @@ static __always_inline void kvm_make_request(int req, struct kvm_vcpu *vcpu)
__kvm_make_request(req, vcpu);
}
+#ifndef CONFIG_S390
+static inline void kvm_make_request_and_kick(int req, struct kvm_vcpu *vcpu)
+{
+ kvm_make_request(req, vcpu);
+ __kvm_vcpu_kick(vcpu, req & KVM_REQUEST_WAIT);
+}
+#endif
+
static inline bool kvm_request_pending(struct kvm_vcpu *vcpu)
{
return READ_ONCE(vcpu->requests);
@@ -2284,6 +2306,7 @@ static inline bool kvm_check_request(int req, struct kvm_vcpu *vcpu)
}
#ifdef CONFIG_KVM_GENERIC_HARDWARE_ENABLING
+extern bool enable_virt_at_load;
extern bool kvm_rebooting;
#endif
@@ -2571,4 +2594,12 @@ long kvm_arch_vcpu_pre_fault_memory(struct kvm_vcpu *vcpu,
struct kvm_pre_fault_memory *range);
#endif
+#ifdef CONFIG_KVM_GENERIC_HARDWARE_ENABLING
+int kvm_enable_virtualization(void);
+void kvm_disable_virtualization(void);
+#else
+static inline int kvm_enable_virtualization(void) { return 0; }
+static inline void kvm_disable_virtualization(void) { }
+#endif
+
#endif