se_map.h 2.2 KB

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  1. /*
  2. * Copyright (C) 2011-2018 Intel Corporation. All rights reserved.
  3. *
  4. * Redistribution and use in source and binary forms, with or without
  5. * modification, are permitted provided that the following conditions
  6. * are met:
  7. *
  8. * * Redistributions of source code must retain the above copyright
  9. * notice, this list of conditions and the following disclaimer.
  10. * * Redistributions in binary form must reproduce the above copyright
  11. * notice, this list of conditions and the following disclaimer in
  12. * the documentation and/or other materials provided with the
  13. * distribution.
  14. * * Neither the name of Intel Corporation nor the names of its
  15. * contributors may be used to endorse or promote products derived
  16. * from this software without specific prior written permission.
  17. *
  18. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  19. * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  20. * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  21. * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  22. * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  23. * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  24. * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  25. * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  26. * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  27. * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  28. * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29. *
  30. */
  31. #ifndef _SE_MAP_H_
  32. #define _SE_MAP_H_
  33. #include <unistd.h>
  34. #include <sys/mman.h>
  35. #include <string.h>
  36. #include <errno.h>
  37. #include "se_types.h"
  38. #include <sys/types.h>
  39. #include <sys/stat.h>
  40. #include <fcntl.h>
  41. #include <stdio.h>
  42. typedef int se_file_handle_t;
  43. typedef struct {
  44. uint8_t* base_addr; /* pointer to the mapped area */
  45. size_t length; /* the length of the mapping */
  46. } map_handle_t;
  47. #ifdef __cplusplus
  48. extern "C" {
  49. #endif
  50. /* Map a file to memory and get its size. */
  51. map_handle_t* map_file(se_file_handle_t fd, uint32_t *size);
  52. /* Unmap a mapped file. */
  53. void unmap_file(map_handle_t* mh);
  54. #ifdef __cplusplus
  55. }
  56. #endif
  57. #endif