Example #1
0
func (vcpu *Vcpu) SetMsr(index uint32, value uint64) error {

	// Setup our structure.
	data := make([]byte, C.msr_size(), C.msr_size())

	// Set our index and value.
	C.msr_set(unsafe.Pointer(&data[0]), C.__u32(index), C.__u64(value))

	// Execute our ioctl.
	_, _, e := syscall.Syscall(
		syscall.SYS_IOCTL,
		uintptr(vcpu.fd),
		uintptr(C.IoctlSetMsrs),
		uintptr(unsafe.Pointer(&data[0])))
	if e != 0 {
		return e
	}

	return nil
}
Example #2
0
func (vcpu *Vcpu) GetMsr(index uint32) (uint64, error) {

	// Setup our structure.
	data := make([]byte, C.msr_size(), C.msr_size())

	// Set our index to retrieve.
	C.msr_set(unsafe.Pointer(&data[0]), C.__u32(index), C.__u64(0))

	// Execute our ioctl.
	_, _, e := syscall.Syscall(
		syscall.SYS_IOCTL,
		uintptr(vcpu.fd),
		uintptr(C.IoctlGetMsrs),
		uintptr(unsafe.Pointer(&data[0])))
	if e != 0 {
		return 0, e
	}

	// Return our value.
	return uint64(C.msr_get(unsafe.Pointer(&data[0]))), nil
}