edmm_utility.h 2.9 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 _EDMM_UTILITY_H_
  32. #define _EDMM_UTILITY_H_
  33. #ifdef __cplusplus
  34. extern "C" {
  35. #endif
  36. /* open_se_device()
  37. * Parameters:
  38. * hdevice [out] - The device handle as returned from the open_se_device API.
  39. * in_kernel_driver [out] - Indicate it is in-kernel driver or not.
  40. * Return Value:
  41. * true - The function succeeds.
  42. * false - The function fails.
  43. */
  44. bool open_se_device(int *hdevice, bool *in_kernel_driver);
  45. /* close_se_device()
  46. * Parameters:
  47. * hdevice [in out] - The device handle will be set to -1 if it is closed successfully.
  48. * Return Value:
  49. * true - The function succeeds.
  50. * false - The function fails.
  51. */
  52. bool close_se_device(int *hdevice);
  53. /* is_cpu_support_edmm()
  54. * Parameters:
  55. * None.
  56. * Return Value:
  57. * true - CPU supports EDMM.
  58. * false - CPU does not support EDMM.
  59. */
  60. bool is_cpu_support_edmm();
  61. /* is_driver_support_edmm()
  62. * Parameters:
  63. * hdevice [in] - The device handle used to communicate with driver.
  64. * Return Value:
  65. * true - Driver supports EDMM.
  66. * false - Driver does not support EDMM.
  67. */
  68. bool is_driver_support_edmm(int hdevice);
  69. /* is_support_edmm()
  70. * Parameters:
  71. * None.
  72. * Return Value:
  73. * true - CPU/driver/uRTS supports EDMM.
  74. * false - Either of CPU/driver/uRTS does not support EDMM.
  75. */
  76. bool is_support_edmm();
  77. #ifdef __cplusplus
  78. }
  79. #endif
  80. #endif //_EDMM_UTILITY_H_