c2_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. * Copyright (c) 2005 Open Grid Computing, Inc. All rights reserved.
  5. *
  6. * This software is available to you under a choice of one of two
  7. * licenses. You may choose to be licensed under the terms of the GNU
  8. * General Public License (GPL) Version 2, available from the file
  9. * COPYING in the main directory of this source tree, or the
  10. * OpenIB.org BSD license below:
  11. *
  12. * Redistribution and use in source and binary forms, with or
  13. * without modification, are permitted provided that the following
  14. * conditions are met:
  15. *
  16. * - Redistributions of source code must retain the above
  17. * copyright notice, this list of conditions and the following
  18. * disclaimer.
  19. *
  20. * - Redistributions in binary form must reproduce the above
  21. * copyright notice, this list of conditions and the following
  22. * disclaimer in the documentation and/or other materials
  23. * provided with the distribution.
  24. *
  25. * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  26. * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  27. * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  28. * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  29. * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  30. * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  31. * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  32. * SOFTWARE.
  33. *
  34. */
  35. #ifndef C2_USER_H
  36. #define C2_USER_H
  37. #include <linux/types.h>
  38. /*
  39. * Make sure that all structs defined in this file remain laid out so
  40. * that they pack the same way on 32-bit and 64-bit architectures (to
  41. * avoid incompatibility between 32-bit userspace and 64-bit kernels).
  42. * In particular do not use pointer types -- pass pointers in __u64
  43. * instead.
  44. */
  45. struct c2_alloc_ucontext_resp {
  46. __u32 qp_tab_size;
  47. __u32 uarc_size;
  48. };
  49. struct c2_alloc_pd_resp {
  50. __u32 pdn;
  51. __u32 reserved;
  52. };
  53. struct c2_create_cq {
  54. __u32 lkey;
  55. __u32 pdn;
  56. __u64 arm_db_page;
  57. __u64 set_db_page;
  58. __u32 arm_db_index;
  59. __u32 set_db_index;
  60. };
  61. struct c2_create_cq_resp {
  62. __u32 cqn;
  63. __u32 reserved;
  64. };
  65. struct c2_create_qp {
  66. __u32 lkey;
  67. __u32 reserved;
  68. __u64 sq_db_page;
  69. __u64 rq_db_page;
  70. __u32 sq_db_index;
  71. __u32 rq_db_index;
  72. };
  73. #endif /* C2_USER_H */