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oasis-root

Compiled tree of Oasis Linux based on own branch at <https://hacktivis.me/git/oasis/> git clone https://anongit.hacktivis.me/git/oasis-root.git

efa-abi.h (3646B)

    

  1. /* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) */
  2. /*
  3.  * Copyright 2018-2024 Amazon.com, Inc. or its affiliates. All rights reserved.
  4.  */
  6. #ifndef EFA_ABI_USER_H
  7. #define EFA_ABI_USER_H
  9. #include <linux/types.h>
  10. #include <rdma/ib_user_ioctl_cmds.h>
  12. /*
  13.  * Increment this value if any changes that break userspace ABI
  14.  * compatibility are made.
  15.  */
  16. #define EFA_UVERBS_ABI_VERSION 1
  18. /*
  19.  * Keep structs aligned to 8 bytes.
  20.  * Keep reserved fields as arrays of __u8 named reserved_XXX where XXX is the
  21.  * hex bit offset of the field.
  22.  */
  24. enum {
  25. 	EFA_ALLOC_UCONTEXT_CMD_COMP_TX_BATCH  = 1 << 0,
  26. 	EFA_ALLOC_UCONTEXT_CMD_COMP_MIN_SQ_WR = 1 << 1,
  27. };
  29. struct efa_ibv_alloc_ucontext_cmd {
  30. 	__u32 comp_mask;
  31. 	__u8 reserved_20[4];
  32. };
  34. enum efa_ibv_user_cmds_supp_udata {
  35. 	EFA_USER_CMDS_SUPP_UDATA_QUERY_DEVICE = 1 << 0,
  36. 	EFA_USER_CMDS_SUPP_UDATA_CREATE_AH    = 1 << 1,
  37. };
  39. struct efa_ibv_alloc_ucontext_resp {
  40. 	__u32 comp_mask;
  41. 	__u32 cmds_supp_udata_mask;
  42. 	__u16 sub_cqs_per_cq;
  43. 	__u16 inline_buf_size;
  44. 	__u32 max_llq_size; /* bytes */
  45. 	__u16 max_tx_batch; /* units of 64 bytes */
  46. 	__u16 min_sq_wr;
  47. 	__u8 reserved_a0[4];
  48. };
  50. struct efa_ibv_alloc_pd_resp {
  51. 	__u32 comp_mask;
  52. 	__u16 pdn;
  53. 	__u8 reserved_30[2];
  54. };
  56. enum {
  57. 	EFA_CREATE_CQ_WITH_COMPLETION_CHANNEL = 1 << 0,
  58. 	EFA_CREATE_CQ_WITH_SGID               = 1 << 1,
  59. };
  61. struct efa_ibv_create_cq {
  62. 	__u32 comp_mask;
  63. 	__u32 cq_entry_size;
  64. 	__u16 num_sub_cqs;
  65. 	__u8 flags;
  66. 	__u8 reserved_58[5];
  67. };
  69. enum {
  70. 	EFA_CREATE_CQ_RESP_DB_OFF = 1 << 0,
  71. };
  73. struct efa_ibv_create_cq_resp {
  74. 	__u32 comp_mask;
  75. 	__u8 reserved_20[4];
  76. 	__aligned_u64 q_mmap_key;
  77. 	__aligned_u64 q_mmap_size;
  78. 	__u16 cq_idx;
  79. 	__u8 reserved_d0[2];
  80. 	__u32 db_off;
  81. 	__aligned_u64 db_mmap_key;
  82. };
  84. enum {
  85. 	EFA_QP_DRIVER_TYPE_SRD = 0,
  86. };
  88. enum {
  89. 	EFA_CREATE_QP_WITH_UNSOLICITED_WRITE_RECV = 1 << 0,
  90. };
  92. struct efa_ibv_create_qp {
  93. 	__u32 comp_mask;
  94. 	__u32 rq_ring_size; /* bytes */
  95. 	__u32 sq_ring_size; /* bytes */
  96. 	__u32 driver_qp_type;
  97. 	__u16 flags;
  98. 	__u8 reserved_90[6];
  99. };
  101. struct efa_ibv_create_qp_resp {
  102. 	__u32 comp_mask;
  103. 	/* the offset inside the page of the rq db */
  104. 	__u32 rq_db_offset;
  105. 	/* the offset inside the page of the sq db */
  106. 	__u32 sq_db_offset;
  107. 	/* the offset inside the page of descriptors buffer */
  108. 	__u32 llq_desc_offset;
  109. 	__aligned_u64 rq_mmap_key;
  110. 	__aligned_u64 rq_mmap_size;
  111. 	__aligned_u64 rq_db_mmap_key;
  112. 	__aligned_u64 sq_db_mmap_key;
  113. 	__aligned_u64 llq_desc_mmap_key;
  114. 	__u16 send_sub_cq_idx;
  115. 	__u16 recv_sub_cq_idx;
  116. 	__u8 reserved_1e0[4];
  117. };
  119. struct efa_ibv_create_ah_resp {
  120. 	__u32 comp_mask;
  121. 	__u16 efa_address_handle;
  122. 	__u8 reserved_30[2];
  123. };
  125. enum {
  126. 	EFA_QUERY_DEVICE_CAPS_RDMA_READ = 1 << 0,
  127. 	EFA_QUERY_DEVICE_CAPS_RNR_RETRY = 1 << 1,
  128. 	EFA_QUERY_DEVICE_CAPS_CQ_NOTIFICATIONS = 1 << 2,
  129. 	EFA_QUERY_DEVICE_CAPS_CQ_WITH_SGID     = 1 << 3,
  130. 	EFA_QUERY_DEVICE_CAPS_DATA_POLLING_128 = 1 << 4,
  131. 	EFA_QUERY_DEVICE_CAPS_RDMA_WRITE = 1 << 5,
  132. 	EFA_QUERY_DEVICE_CAPS_UNSOLICITED_WRITE_RECV = 1 << 6,
  133. };
  135. struct efa_ibv_ex_query_device_resp {
  136. 	__u32 comp_mask;
  137. 	__u32 max_sq_wr;
  138. 	__u32 max_rq_wr;
  139. 	__u16 max_sq_sge;
  140. 	__u16 max_rq_sge;
  141. 	__u32 max_rdma_size;
  142. 	__u32 device_caps;
  143. };
  145. enum {
  146. 	EFA_QUERY_MR_VALIDITY_RECV_IC_ID = 1 << 0,
  147. 	EFA_QUERY_MR_VALIDITY_RDMA_READ_IC_ID = 1 << 1,
  148. 	EFA_QUERY_MR_VALIDITY_RDMA_RECV_IC_ID = 1 << 2,
  149. };
  151. enum efa_query_mr_attrs {
  152. 	EFA_IB_ATTR_QUERY_MR_HANDLE = (1U << UVERBS_ID_NS_SHIFT),
  153. 	EFA_IB_ATTR_QUERY_MR_RESP_IC_ID_VALIDITY,
  154. 	EFA_IB_ATTR_QUERY_MR_RESP_RECV_IC_ID,
  155. 	EFA_IB_ATTR_QUERY_MR_RESP_RDMA_READ_IC_ID,
  156. 	EFA_IB_ATTR_QUERY_MR_RESP_RDMA_RECV_IC_ID,
  157. };
  159. enum efa_mr_methods {
  160. 	EFA_IB_METHOD_MR_QUERY = (1U << UVERBS_ID_NS_SHIFT),
  161. };
  163. #endif /* EFA_ABI_USER_H */