KVM: vmx: Emulate MSR IA32_UMWAIT_CONTROL

[linux.git] / arch / x86 / kvm / vmx / vmx.h

diff --git a/arch/x86/kvm/vmx/vmx.h b/arch/x86/kvm/vmx/vmx.h
index 64d5a4890aa9e3e5f88343a6f0aec2c63e21d36e..bee16687dc0bf054957273d520306cfcbbd178dc 100644 (file)
--- a/arch/x86/kvm/vmx/vmx.h
+++ b/arch/x86/kvm/vmx/vmx.h
@@ -14,6 +14,8 @@
 extern const u32 vmx_msr_index[];
 extern u64 host_efer;
 
+extern u32 get_umwait_control_msr(void);
+
 #define MSR_TYPE_R     1
 #define MSR_TYPE_W     2
 #define MSR_TYPE_RW    3
@@ -211,6 +213,7 @@ struct vcpu_vmx {
 #endif
 
        u64                   spec_ctrl;
+       u32                   msr_ia32_umwait_control;
 
        u32 secondary_exec_control;
 
@@ -497,6 +500,12 @@ static inline void decache_tsc_multiplier(struct vcpu_vmx *vmx)
        vmcs_write64(TSC_MULTIPLIER, vmx->current_tsc_ratio);
 }
 
+static inline bool vmx_has_waitpkg(struct vcpu_vmx *vmx)
+{
+       return vmx->secondary_exec_control &
+               SECONDARY_EXEC_ENABLE_USR_WAIT_PAUSE;
+}
+
 void dump_vmcs(void);
 
 #endif /* __KVM_X86_VMX_H */