mthca_user.h 2.4 KB

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  1. /*
  2. * Copyright (c) 2005 Topspin Communications. All rights reserved.
  3. * Copyright (c) 2005 Cisco Systems. All rights reserved.
  4. *
  5. * This software is available to you under a choice of one of two
  6. * licenses. You may choose to be licensed under the terms of the GNU
  7. * General Public License (GPL) Version 2, available from the file
  8. * COPYING in the main directory of this source tree, or the
  9. * OpenIB.org BSD license below:
  10. *
  11. * Redistribution and use in source and binary forms, with or
  12. * without modification, are permitted provided that the following
  13. * conditions are met:
  14. *
  15. * - Redistributions of source code must retain the above
  16. * copyright notice, this list of conditions and the following
  17. * disclaimer.
  18. *
  19. * - Redistributions in binary form must reproduce the above
  20. * copyright notice, this list of conditions and the following
  21. * disclaimer in the documentation and/or other materials
  22. * provided with the distribution.
  23. *
  24. * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  25. * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  26. * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  27. * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  28. * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  29. * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  30. * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  31. * SOFTWARE.
  32. *
  33. */
  34. #ifndef MTHCA_USER_H
  35. #define MTHCA_USER_H
  36. #include <linux/types.h>
  37. /*
  38. * Make sure that all structs defined in this file remain laid out so
  39. * that they pack the same way on 32-bit and 64-bit architectures (to
  40. * avoid incompatibility between 32-bit userspace and 64-bit kernels).
  41. * In particular do not use pointer types -- pass pointers in __u64
  42. * instead.
  43. */
  44. struct mthca_alloc_ucontext_resp {
  45. __u32 qp_tab_size;
  46. __u32 uarc_size;
  47. };
  48. struct mthca_alloc_pd_resp {
  49. __u32 pdn;
  50. __u32 reserved;
  51. };
  52. struct mthca_create_cq {
  53. __u32 lkey;
  54. __u32 pdn;
  55. __u64 arm_db_page;
  56. __u64 set_db_page;
  57. __u32 arm_db_index;
  58. __u32 set_db_index;
  59. };
  60. struct mthca_create_cq_resp {
  61. __u32 cqn;
  62. __u32 reserved;
  63. };
  64. struct mthca_create_srq {
  65. __u32 lkey;
  66. __u32 db_index;
  67. __u64 db_page;
  68. };
  69. struct mthca_create_srq_resp {
  70. __u32 srqn;
  71. __u32 reserved;
  72. };
  73. struct mthca_create_qp {
  74. __u32 lkey;
  75. __u32 reserved;
  76. __u64 sq_db_page;
  77. __u64 rq_db_page;
  78. __u32 sq_db_index;
  79. __u32 rq_db_index;
  80. };
  81. #endif /* MTHCA_USER_H */