uuid.h 1.8 KB

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  1. /*
  2. * UUID/GUID definition
  3. *
  4. * Copyright (C) 2010, Intel Corp.
  5. * Huang Ying <ying.huang@intel.com>
  6. *
  7. * This program is free software; you can redistribute it and/or
  8. * modify it under the terms of the GNU General Public License version
  9. * 2 as published by the Free Software Foundation;
  10. *
  11. * This program is distributed in the hope that it will be useful,
  12. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  14. * GNU General Public License for more details.
  15. *
  16. * You should have received a copy of the GNU General Public License
  17. * along with this program; if not, write to the Free Software
  18. * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  19. */
  20. #ifndef _UAPI_LINUX_UUID_H_
  21. #define _UAPI_LINUX_UUID_H_
  22. #include <linux/types.h>
  23. #include <linux/string.h>
  24. typedef struct {
  25. __u8 b[16];
  26. } uuid_le;
  27. typedef struct {
  28. __u8 b[16];
  29. } uuid_be;
  30. #define UUID_LE(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7) \
  31. ((uuid_le) \
  32. {{ (a) & 0xff, ((a) >> 8) & 0xff, ((a) >> 16) & 0xff, ((a) >> 24) & 0xff, \
  33. (b) & 0xff, ((b) >> 8) & 0xff, \
  34. (c) & 0xff, ((c) >> 8) & 0xff, \
  35. (d0), (d1), (d2), (d3), (d4), (d5), (d6), (d7) }})
  36. #define UUID_BE(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7) \
  37. ((uuid_be) \
  38. {{ ((a) >> 24) & 0xff, ((a) >> 16) & 0xff, ((a) >> 8) & 0xff, (a) & 0xff, \
  39. ((b) >> 8) & 0xff, (b) & 0xff, \
  40. ((c) >> 8) & 0xff, (c) & 0xff, \
  41. (d0), (d1), (d2), (d3), (d4), (d5), (d6), (d7) }})
  42. #define NULL_UUID_LE \
  43. UUID_LE(0x00000000, 0x0000, 0x0000, 0x00, 0x00, 0x00, 0x00, \
  44. 0x00, 0x00, 0x00, 0x00)
  45. #define NULL_UUID_BE \
  46. UUID_BE(0x00000000, 0x0000, 0x0000, 0x00, 0x00, 0x00, 0x00, \
  47. 0x00, 0x00, 0x00, 0x00)
  48. #endif /* _UAPI_LINUX_UUID_H_ */