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xen-compat.h 1.9KB

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  1. /******************************************************************************
  2. * xen-compat.h
  3. *
  4. * Guest OS interface to Xen. Compatibility layer.
  5. *
  6. * Permission is hereby granted, free of charge, to any person obtaining a copy
  7. * of this software and associated documentation files (the "Software"), to
  8. * deal in the Software without restriction, including without limitation the
  9. * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
  10. * sell copies of the Software, and to permit persons to whom the Software is
  11. * furnished to do so, subject to the following conditions:
  12. *
  13. * The above copyright notice and this permission notice shall be included in
  14. * all copies or substantial portions of the Software.
  15. *
  16. * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17. * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18. * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  19. * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20. * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  21. * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  22. * DEALINGS IN THE SOFTWARE.
  23. *
  24. * Copyright (c) 2006, Christian Limpach
  25. */
  26. #ifndef __XEN_PUBLIC_XEN_COMPAT_H__
  27. #define __XEN_PUBLIC_XEN_COMPAT_H__
  28. FILE_LICENCE ( MIT );
  29. #define __XEN_LATEST_INTERFACE_VERSION__ 0x00040400
  30. #if defined(__XEN__) || defined(__XEN_TOOLS__)
  31. /* Xen is built with matching headers and implements the latest interface. */
  32. #define __XEN_INTERFACE_VERSION__ __XEN_LATEST_INTERFACE_VERSION__
  33. #elif !defined(__XEN_INTERFACE_VERSION__)
  34. /* Guests which do not specify a version get the legacy interface. */
  35. #define __XEN_INTERFACE_VERSION__ 0x00000000
  36. #endif
  37. #if __XEN_INTERFACE_VERSION__ > __XEN_LATEST_INTERFACE_VERSION__
  38. #error "These header files do not support the requested interface version."
  39. #endif
  40. #endif /* __XEN_PUBLIC_XEN_COMPAT_H__ */