rdma_user_cm.h 4.5 KB

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  1. /*
  2. * Copyright (c) 2005-2006 Intel Corporation. All rights reserved.
  3. *
  4. * This software is available to you under a choice of one of two
  5. * licenses. You may choose to be licensed under the terms of the GNU
  6. * General Public License (GPL) Version 2, available from the file
  7. * COPYING in the main directory of this source tree, or the
  8. * OpenIB.org BSD license below:
  9. *
  10. * Redistribution and use in source and binary forms, with or
  11. * without modification, are permitted provided that the following
  12. * conditions are met:
  13. *
  14. * - Redistributions of source code must retain the above
  15. * copyright notice, this list of conditions and the following
  16. * disclaimer.
  17. *
  18. * - Redistributions in binary form must reproduce the above
  19. * copyright notice, this list of conditions and the following
  20. * disclaimer in the documentation and/or other materials
  21. * provided with the distribution.
  22. *
  23. * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  24. * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  25. * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  26. * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  27. * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  28. * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  29. * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  30. * SOFTWARE.
  31. */
  32. #ifndef RDMA_USER_CM_H
  33. #define RDMA_USER_CM_H
  34. #include <linux/types.h>
  35. #include <linux/in6.h>
  36. #include <rdma/ib_user_verbs.h>
  37. #include <rdma/ib_user_sa.h>
  38. #define RDMA_USER_CM_ABI_VERSION 4
  39. #define RDMA_MAX_PRIVATE_DATA 256
  40. enum {
  41. RDMA_USER_CM_CMD_CREATE_ID,
  42. RDMA_USER_CM_CMD_DESTROY_ID,
  43. RDMA_USER_CM_CMD_BIND_ADDR,
  44. RDMA_USER_CM_CMD_RESOLVE_ADDR,
  45. RDMA_USER_CM_CMD_RESOLVE_ROUTE,
  46. RDMA_USER_CM_CMD_QUERY_ROUTE,
  47. RDMA_USER_CM_CMD_CONNECT,
  48. RDMA_USER_CM_CMD_LISTEN,
  49. RDMA_USER_CM_CMD_ACCEPT,
  50. RDMA_USER_CM_CMD_REJECT,
  51. RDMA_USER_CM_CMD_DISCONNECT,
  52. RDMA_USER_CM_CMD_INIT_QP_ATTR,
  53. RDMA_USER_CM_CMD_GET_EVENT,
  54. RDMA_USER_CM_CMD_GET_OPTION,
  55. RDMA_USER_CM_CMD_SET_OPTION,
  56. RDMA_USER_CM_CMD_NOTIFY,
  57. RDMA_USER_CM_CMD_JOIN_MCAST,
  58. RDMA_USER_CM_CMD_LEAVE_MCAST
  59. };
  60. /*
  61. * command ABI structures.
  62. */
  63. struct rdma_ucm_cmd_hdr {
  64. __u32 cmd;
  65. __u16 in;
  66. __u16 out;
  67. };
  68. struct rdma_ucm_create_id {
  69. __u64 uid;
  70. __u64 response;
  71. __u16 ps;
  72. __u8 reserved[6];
  73. };
  74. struct rdma_ucm_create_id_resp {
  75. __u32 id;
  76. };
  77. struct rdma_ucm_destroy_id {
  78. __u64 response;
  79. __u32 id;
  80. __u32 reserved;
  81. };
  82. struct rdma_ucm_destroy_id_resp {
  83. __u32 events_reported;
  84. };
  85. struct rdma_ucm_bind_addr {
  86. __u64 response;
  87. struct sockaddr_in6 addr;
  88. __u32 id;
  89. };
  90. struct rdma_ucm_resolve_addr {
  91. struct sockaddr_in6 src_addr;
  92. struct sockaddr_in6 dst_addr;
  93. __u32 id;
  94. __u32 timeout_ms;
  95. };
  96. struct rdma_ucm_resolve_route {
  97. __u32 id;
  98. __u32 timeout_ms;
  99. };
  100. struct rdma_ucm_query_route {
  101. __u64 response;
  102. __u32 id;
  103. __u32 reserved;
  104. };
  105. struct rdma_ucm_query_route_resp {
  106. __u64 node_guid;
  107. struct ib_user_path_rec ib_route[2];
  108. struct sockaddr_in6 src_addr;
  109. struct sockaddr_in6 dst_addr;
  110. __u32 num_paths;
  111. __u8 port_num;
  112. __u8 reserved[3];
  113. };
  114. struct rdma_ucm_conn_param {
  115. __u32 qp_num;
  116. __u32 reserved;
  117. __u8 private_data[RDMA_MAX_PRIVATE_DATA];
  118. __u8 private_data_len;
  119. __u8 srq;
  120. __u8 responder_resources;
  121. __u8 initiator_depth;
  122. __u8 flow_control;
  123. __u8 retry_count;
  124. __u8 rnr_retry_count;
  125. __u8 valid;
  126. };
  127. struct rdma_ucm_ud_param {
  128. __u32 qp_num;
  129. __u32 qkey;
  130. struct ib_uverbs_ah_attr ah_attr;
  131. __u8 private_data[RDMA_MAX_PRIVATE_DATA];
  132. __u8 private_data_len;
  133. __u8 reserved[7];
  134. };
  135. struct rdma_ucm_connect {
  136. struct rdma_ucm_conn_param conn_param;
  137. __u32 id;
  138. __u32 reserved;
  139. };
  140. struct rdma_ucm_listen {
  141. __u32 id;
  142. __u32 backlog;
  143. };
  144. struct rdma_ucm_accept {
  145. __u64 uid;
  146. struct rdma_ucm_conn_param conn_param;
  147. __u32 id;
  148. __u32 reserved;
  149. };
  150. struct rdma_ucm_reject {
  151. __u32 id;
  152. __u8 private_data_len;
  153. __u8 reserved[3];
  154. __u8 private_data[RDMA_MAX_PRIVATE_DATA];
  155. };
  156. struct rdma_ucm_disconnect {
  157. __u32 id;
  158. };
  159. struct rdma_ucm_init_qp_attr {
  160. __u64 response;
  161. __u32 id;
  162. __u32 qp_state;
  163. };
  164. struct rdma_ucm_notify {
  165. __u32 id;
  166. __u32 event;
  167. };
  168. struct rdma_ucm_join_mcast {
  169. __u64 response; /* rdma_ucm_create_id_resp */
  170. __u64 uid;
  171. struct sockaddr_in6 addr;
  172. __u32 id;
  173. };
  174. struct rdma_ucm_get_event {
  175. __u64 response;
  176. };
  177. struct rdma_ucm_event_resp {
  178. __u64 uid;
  179. __u32 id;
  180. __u32 event;
  181. __u32 status;
  182. union {
  183. struct rdma_ucm_conn_param conn;
  184. struct rdma_ucm_ud_param ud;
  185. } param;
  186. };
  187. #endif /* RDMA_USER_CM_H */