Function

hv_vcpu_enable_native_msr(_:_:_:)

Enables or disables a machine specific register (MSR) to be used natively by the VM.

Declaration

func hv_vcpu_enable_native_msr(_ vcpu: hv_vcpuid_t, _ msr: UInt32, _ enable: Bool) -> hv_return_t

Parameters

vcpu

The ID of the vCPU.

msr

The ID of the MSR.

enable

If true, the specified MSR is enabled. If false, the specified MSR is disabled.

Return Value

HV_SUCCESS if the operation was successful, otherwise an error code specified in hv_return_t.

Discussion

This function must be called by the owning thread.

See Also

Creating and Managing vCPU Instances

func hv_vcpu_destroy(hv_vcpuid_t) -> hv_return_t

Destroys the vCPU instance associated with the current thread.

func hv_vcpu_interrupt(UnsafeMutablePointer<hv_vcpuid_t>!, UInt32) -> hv_return_t

Forces an immediate VMEXIT of a set of vCPU instances of the VM.

func hv_vcpu_invalidate_tlb(hv_vcpuid_t) -> hv_return_t

Invalidates the translation look-aside buffer (TLB) of a vCPU.

func hv_vcpu_flush(hv_vcpuid_t) -> hv_return_t

Flushes the cached state of a vCPU.

func hv_vcpu_get_exec_time(hv_vcpuid_t, UnsafeMutablePointer<UInt64>!) -> hv_return_t

Returns, by reference, the cumulative execution time of a vCPU, in nanoseconds.