kernel_allocator.h 4.0 KB

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  1. /****************************************************************************
  2. *
  3. * The MIT License (MIT)
  4. *
  5. * Copyright (c) 2014 - 2021 Vivante Corporation
  6. *
  7. * Permission is hereby granted, free of charge, to any person obtaining a
  8. * copy of this software and associated documentation files (the "Software"),
  9. * to deal in the Software without restriction, including without limitation
  10. * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  11. * and/or sell copies of the Software, and to permit persons to whom the
  12. * Software is furnished to do so, subject to the following conditions:
  13. *
  14. * The above copyright notice and this permission notice shall be included in
  15. * all copies or substantial portions of the Software.
  16. *
  17. * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18. * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19. * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  20. * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21. * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  22. * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  23. * DEALINGS IN THE SOFTWARE.
  24. *
  25. *****************************************************************************
  26. *
  27. * The GPL License (GPL)
  28. *
  29. * Copyright (C) 2014 - 2021 Vivante Corporation
  30. *
  31. * This program is free software; you can redistribute it and/or
  32. * modify it under the terms of the GNU General Public License
  33. * as published by the Free Software Foundation; either version 2
  34. * of the License, or (at your option) any later version.
  35. *
  36. * This program is distributed in the hope that it will be useful,
  37. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  38. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  39. * GNU General Public License for more details.
  40. *
  41. * You should have received a copy of the GNU General Public License
  42. * along with this program; if not, write to the Free Software Foundation,
  43. * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  44. *
  45. *****************************************************************************
  46. *
  47. * Note: This software is released under dual MIT and GPL licenses. A
  48. * recipient may use this file under the terms of either the MIT license or
  49. * GPL License. If you wish to use only one license not the other, you can
  50. * indicate your decision by deleting one of the above license notices in your
  51. * version of this file.
  52. *
  53. *****************************************************************************/
  54. #ifndef __gc_hal_kernel_allocator_h_
  55. #define __gc_hal_kernel_allocator_h_
  56. #include "../memalloc/memalloc.h"
  57. #define IN
  58. #define OUT
  59. #define INOUT
  60. #define OPTIONAL
  61. /* No special needs. */
  62. #define ALLOC_FLAG_NONE 0x00000000
  63. /* Physical contiguous. */
  64. #define ALLOC_FLAG_CONTIGUOUS 0x00000001
  65. /* Physical non contiguous. */
  66. #define ALLOC_FLAG_NON_CONTIGUOUS 0x00000002
  67. /* Need 32bit address. */
  68. #define ALLOC_FLAG_4GB_ADDR 0x00000004
  69. #define MEMORY_IOC_MAGIC 'a'
  70. #define MEMORY_IOC_ALLOCATE _IOWR(MEMORY_IOC_MAGIC, 1, MemallocParams *)
  71. #define MEMORY_IOC_FREE _IOWR(MEMORY_IOC_MAGIC, 2, MemallocParams *)
  72. #define MEMORY_IOC_DMABUF_EXPORT _IOWR(MEMORY_IOC_MAGIC, 3, MemallocParams *)
  73. #define MEMORY_IOC_DMABUF_IMPORT _IOWR(MEMORY_IOC_MAGIC, 4, MemallocParams *)
  74. #define MEMORY_IOC_DMABUF_RELEASE _IOWR(MEMORY_IOC_MAGIC, 5, MemallocParams *)
  75. #define MEMORY_IOC_MAXNR 5
  76. #if 0
  77. int
  78. GFP_Alloc(
  79. INOUT MemallocParams *params,
  80. IN unsigned int Flags,
  81. IN struct device *dev
  82. );
  83. void
  84. GFP_Free(
  85. INOUT MemallocParams *params
  86. );
  87. int
  88. DMABUF_Export(
  89. IN MemallocParams *params,
  90. IN signed int Flags,
  91. OUT signed int *FD
  92. );
  93. int
  94. DMABUF_Import(
  95. IN unsigned int FD,
  96. IN struct device *dev,
  97. OUT MemallocParams *params
  98. );
  99. void
  100. DMABUF_Release(
  101. INOUT MemallocParams *params
  102. );
  103. #endif
  104. #endif