cma_priv.h 3.7 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128
  1. /*
  2. * Copyright (c) 2005 Voltaire Inc. All rights reserved.
  3. * Copyright (c) 2002-2005, Network Appliance, Inc. All rights reserved.
  4. * Copyright (c) 1999-2005, Mellanox Technologies, Inc. All rights reserved.
  5. * Copyright (c) 2005-2006 Intel Corporation. All rights reserved.
  6. *
  7. * This software is available to you under a choice of one of two
  8. * licenses. You may choose to be licensed under the terms of the GNU
  9. * General Public License (GPL) Version 2, available from the file
  10. * COPYING in the main directory of this source tree, or the
  11. * OpenIB.org BSD license below:
  12. *
  13. * Redistribution and use in source and binary forms, with or
  14. * without modification, are permitted provided that the following
  15. * conditions are met:
  16. *
  17. * - Redistributions of source code must retain the above
  18. * copyright notice, this list of conditions and the following
  19. * disclaimer.
  20. *
  21. * - Redistributions in binary form must reproduce the above
  22. * copyright notice, this list of conditions and the following
  23. * disclaimer in the documentation and/or other materials
  24. * provided with the distribution.
  25. *
  26. * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  27. * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  28. * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  29. * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  30. * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  31. * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  32. * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  33. * SOFTWARE.
  34. */
  35. #ifndef _CMA_PRIV_H
  36. #define _CMA_PRIV_H
  37. enum rdma_cm_state {
  38. RDMA_CM_IDLE,
  39. RDMA_CM_ADDR_QUERY,
  40. RDMA_CM_ADDR_RESOLVED,
  41. RDMA_CM_ROUTE_QUERY,
  42. RDMA_CM_ROUTE_RESOLVED,
  43. RDMA_CM_CONNECT,
  44. RDMA_CM_DISCONNECT,
  45. RDMA_CM_ADDR_BOUND,
  46. RDMA_CM_LISTEN,
  47. RDMA_CM_DEVICE_REMOVAL,
  48. RDMA_CM_DESTROYING
  49. };
  50. struct rdma_id_private {
  51. struct rdma_cm_id id;
  52. struct rdma_bind_list *bind_list;
  53. struct hlist_node node;
  54. struct list_head list; /* listen_any_list or cma_device.list */
  55. struct list_head listen_list; /* per device listens */
  56. struct cma_device *cma_dev;
  57. struct list_head mc_list;
  58. int internal_id;
  59. enum rdma_cm_state state;
  60. spinlock_t lock;
  61. struct mutex qp_mutex;
  62. struct completion comp;
  63. refcount_t refcount;
  64. struct mutex handler_mutex;
  65. int backlog;
  66. int timeout_ms;
  67. struct ib_sa_query *query;
  68. int query_id;
  69. union {
  70. struct ib_cm_id *ib;
  71. struct iw_cm_id *iw;
  72. } cm_id;
  73. u32 seq_num;
  74. u32 qkey;
  75. u32 qp_num;
  76. u32 options;
  77. u8 srq;
  78. u8 tos;
  79. u8 tos_set:1;
  80. u8 timeout_set:1;
  81. u8 reuseaddr;
  82. u8 afonly;
  83. u8 timeout;
  84. enum ib_gid_type gid_type;
  85. /*
  86. * Internal to RDMA/core, don't use in the drivers
  87. */
  88. struct rdma_restrack_entry res;
  89. struct rdma_ucm_ece ece;
  90. };
  91. #if IS_ENABLED(CONFIG_INFINIBAND_ADDR_TRANS_CONFIGFS)
  92. int cma_configfs_init(void);
  93. void cma_configfs_exit(void);
  94. #else
  95. static inline int cma_configfs_init(void)
  96. {
  97. return 0;
  98. }
  99. static inline void cma_configfs_exit(void)
  100. {
  101. }
  102. #endif
  103. void cma_dev_get(struct cma_device *dev);
  104. void cma_dev_put(struct cma_device *dev);
  105. typedef bool (*cma_device_filter)(struct ib_device *, void *);
  106. struct cma_device *cma_enum_devices_by_ibdev(cma_device_filter filter,
  107. void *cookie);
  108. int cma_get_default_gid_type(struct cma_device *dev, unsigned int port);
  109. int cma_set_default_gid_type(struct cma_device *dev, unsigned int port,
  110. enum ib_gid_type default_gid_type);
  111. int cma_get_default_roce_tos(struct cma_device *dev, unsigned int port);
  112. int cma_set_default_roce_tos(struct cma_device *dev, unsigned int port,
  113. u8 default_roce_tos);
  114. struct ib_device *cma_get_ib_dev(struct cma_device *dev);
  115. #endif /* _CMA_PRIV_H */