root/arch/x86/include/asm/xen/

1. cpuid.h
2. events.h
3. hypercall.h
4. hypervisor.h
5. interface.h
6. interface_32.h
7. interface_64.h
8. page-coherent.h
9. page.h
10. pci.h
11. swiotlb-xen.h
12. trace_types.h