MSR_HV_GUESTID_OPENSRC
((0x01ULL << MSR_HV_GUESTID_OSTYPE_SHIFT) | MSR_HV_GUESTID_OPENSRC)
((0x02ULL << MSR_HV_GUESTID_OSTYPE_SHIFT) | MSR_HV_GUESTID_OPENSRC)
((0x02ULL << MSR_HV_GUESTID_OSTYPE_SHIFT) | MSR_HV_GUESTID_OPENSRC | \