VMCS_IDENT
error = vmcs_setreg(vmcs, 0, VMCS_IDENT(mask_ident), mask_value);
error = vmcs_setreg(vmcs, 0, VMCS_IDENT(shadow_ident), initial);
VMCS_IDENT(VMCS_GUEST_INTERRUPTIBILITY), &gi);
ident = VMCS_IDENT(VMCS_GUEST_INTERRUPTIBILITY);
VMCS_IDENT(VMCS_ENTRY_CTLS), &ctls);
VMCS_IDENT(VMCS_ENTRY_CTLS), ctls);
VMCS_IDENT(shadow), val);
VMCS_IDENT(VMCS_GUEST_PHYSICAL_ADDRESS),
return (vm_get_register(vcpu, VMCS_IDENT(field), ret_val));