include/rdma/ibta_vol1_c12.h

   1 /* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
   2 /*
   3  * Copyright (c) 2020, Mellanox Technologies inc. All rights reserved.
   4  *
   5  * This file is IBTA volume 1, chapter 12 declarations:
   6  *  CHAPTER 12: COMMUNICATION MANAGEMENT
   7  */
   8 #ifndef _IBTA_VOL1_C12_H_
   9 #define _IBTA_VOL1_C12_H_
  10
  11 #include <rdma/iba.h>
  12
  13 #define CM_FIELD_BLOC(field_struct, byte_offset, bits_offset, width)           \
  14         IBA_FIELD_BLOC(field_struct,                                           \
  15                        (byte_offset + sizeof(struct ib_mad_hdr)), bits_offset, \
  16                        width)
  17 #define CM_FIELD8_LOC(field_struct, byte_offset, width)                        \
  18         IBA_FIELD8_LOC(field_struct,                                           \
  19                        (byte_offset + sizeof(struct ib_mad_hdr)), width)
  20 #define CM_FIELD16_LOC(field_struct, byte_offset, width)                       \
  21         IBA_FIELD16_LOC(field_struct,                                          \
  22                         (byte_offset + sizeof(struct ib_mad_hdr)), width)
  23 #define CM_FIELD32_LOC(field_struct, byte_offset, width)                       \
  24         IBA_FIELD32_LOC(field_struct,                                          \
  25                         (byte_offset + sizeof(struct ib_mad_hdr)), width)
  26 #define CM_FIELD64_LOC(field_struct, byte_offset)                              \
  27         IBA_FIELD64_LOC(field_struct, (byte_offset + sizeof(struct ib_mad_hdr)))
  28 #define CM_FIELD_MLOC(field_struct, byte_offset, width, type)                  \
  29         IBA_FIELD_MLOC(field_struct,                                           \
  30                        (byte_offset + sizeof(struct ib_mad_hdr)), width, type)
  31 #define CM_STRUCT(field_struct, total_len)                                     \
  32         field_struct                                                           \
  33         {                                                                      \
  34                 struct ib_mad_hdr hdr;                                         \
  35                 u32 _data[(total_len) / 32 +                                   \
  36                           BUILD_BUG_ON_ZERO((total_len) % 32 != 0)];           \
  37         }
  38
  39 /* Table 106 REQ Message Contents */
  40 #define CM_REQ_LOCAL_COMM_ID CM_FIELD32_LOC(struct cm_req_msg, 0, 32)
  41 #define CM_REQ_VENDOR_ID CM_FIELD32_LOC(struct cm_req_msg, 5, 24)
  42 #define CM_REQ_SERVICE_ID CM_FIELD64_LOC(struct cm_req_msg, 8)
  43 #define CM_REQ_LOCAL_CA_GUID CM_FIELD64_LOC(struct cm_req_msg, 16)
  44 #define CM_REQ_LOCAL_Q_KEY CM_FIELD32_LOC(struct cm_req_msg, 28, 32)
  45 #define CM_REQ_LOCAL_QPN CM_FIELD32_LOC(struct cm_req_msg, 32, 24)
  46 #define CM_REQ_RESPONDER_RESOURCES CM_FIELD8_LOC(struct cm_req_msg, 35, 8)
  47 #define CM_REQ_LOCAL_EECN CM_FIELD32_LOC(struct cm_req_msg, 36, 24)
  48 #define CM_REQ_INITIATOR_DEPTH CM_FIELD8_LOC(struct cm_req_msg, 39, 8)
  49 #define CM_REQ_REMOTE_EECN CM_FIELD32_LOC(struct cm_req_msg, 40, 24)
  50 #define CM_REQ_REMOTE_CM_RESPONSE_TIMEOUT                                      \
  51         CM_FIELD8_LOC(struct cm_req_msg, 43, 5)
  52 #define CM_REQ_TRANSPORT_SERVICE_TYPE CM_FIELD_BLOC(struct cm_req_msg, 43, 5, 2)
  53 #define CM_REQ_END_TO_END_FLOW_CONTROL                                         \
  54         CM_FIELD_BLOC(struct cm_req_msg, 43, 7, 1)
  55 #define CM_REQ_STARTING_PSN CM_FIELD32_LOC(struct cm_req_msg, 44, 24)
  56 #define CM_REQ_LOCAL_CM_RESPONSE_TIMEOUT CM_FIELD8_LOC(struct cm_req_msg, 47, 5)
  57 #define CM_REQ_RETRY_COUNT CM_FIELD_BLOC(struct cm_req_msg, 47, 5, 3)
  58 #define CM_REQ_PARTITION_KEY CM_FIELD16_LOC(struct cm_req_msg, 48, 16)
  59 #define CM_REQ_PATH_PACKET_PAYLOAD_MTU CM_FIELD8_LOC(struct cm_req_msg, 50, 4)
  60 #define CM_REQ_RDC_EXISTS CM_FIELD_BLOC(struct cm_req_msg, 50, 4, 1)
  61 #define CM_REQ_RNR_RETRY_COUNT CM_FIELD_BLOC(struct cm_req_msg, 50, 5, 3)
  62 #define CM_REQ_MAX_CM_RETRIES CM_FIELD8_LOC(struct cm_req_msg, 51, 4)
  63 #define CM_REQ_SRQ CM_FIELD_BLOC(struct cm_req_msg, 51, 4, 1)
  64 #define CM_REQ_EXTENDED_TRANSPORT_TYPE                                         \
  65         CM_FIELD_BLOC(struct cm_req_msg, 51, 5, 3)
  66 #define CM_REQ_PRIMARY_LOCAL_PORT_LID CM_FIELD16_LOC(struct cm_req_msg, 52, 16)
  67 #define CM_REQ_PRIMARY_REMOTE_PORT_LID CM_FIELD16_LOC(struct cm_req_msg, 54, 16)
  68 #define CM_REQ_PRIMARY_LOCAL_PORT_GID                                          \
  69         CM_FIELD_MLOC(struct cm_req_msg, 56, 128, union ib_gid)
  70 #define CM_REQ_PRIMARY_REMOTE_PORT_GID                                         \
  71         CM_FIELD_MLOC(struct cm_req_msg, 72, 128, union ib_gid)
  72 #define CM_REQ_PRIMARY_FLOW_LABEL CM_FIELD32_LOC(struct cm_req_msg, 88, 20)
  73 #define CM_REQ_PRIMARY_PACKET_RATE CM_FIELD_BLOC(struct cm_req_msg, 91, 2, 6)
  74 #define CM_REQ_PRIMARY_TRAFFIC_CLASS CM_FIELD8_LOC(struct cm_req_msg, 92, 8)
  75 #define CM_REQ_PRIMARY_HOP_LIMIT CM_FIELD8_LOC(struct cm_req_msg, 93, 8)
  76 #define CM_REQ_PRIMARY_SL CM_FIELD8_LOC(struct cm_req_msg, 94, 4)
  77 #define CM_REQ_PRIMARY_SUBNET_LOCAL CM_FIELD_BLOC(struct cm_req_msg, 94, 4, 1)
  78 #define CM_REQ_PRIMARY_LOCAL_ACK_TIMEOUT CM_FIELD8_LOC(struct cm_req_msg, 95, 5)
  79 #define CM_REQ_ALTERNATE_LOCAL_PORT_LID                                        \
  80         CM_FIELD16_LOC(struct cm_req_msg, 96, 16)
  81 #define CM_REQ_ALTERNATE_REMOTE_PORT_LID                                       \
  82         CM_FIELD16_LOC(struct cm_req_msg, 98, 16)
  83 #define CM_REQ_ALTERNATE_LOCAL_PORT_GID                                        \
  84         CM_FIELD_MLOC(struct cm_req_msg, 100, 128, union ib_gid)
  85 #define CM_REQ_ALTERNATE_REMOTE_PORT_GID                                       \
  86         CM_FIELD_MLOC(struct cm_req_msg, 116, 128, union ib_gid)
  87 #define CM_REQ_ALTERNATE_FLOW_LABEL CM_FIELD32_LOC(struct cm_req_msg, 132, 20)
  88 #define CM_REQ_ALTERNATE_PACKET_RATE CM_FIELD_BLOC(struct cm_req_msg, 135, 2, 6)
  89 #define CM_REQ_ALTERNATE_TRAFFIC_CLASS CM_FIELD8_LOC(struct cm_req_msg, 136, 8)
  90 #define CM_REQ_ALTERNATE_HOP_LIMIT CM_FIELD8_LOC(struct cm_req_msg, 137, 8)
  91 #define CM_REQ_ALTERNATE_SL CM_FIELD8_LOC(struct cm_req_msg, 138, 4)
  92 #define CM_REQ_ALTERNATE_SUBNET_LOCAL                                          \
  93         CM_FIELD_BLOC(struct cm_req_msg, 138, 4, 1)
  94 #define CM_REQ_ALTERNATE_LOCAL_ACK_TIMEOUT                                     \
  95         CM_FIELD8_LOC(struct cm_req_msg, 139, 5)
  96 #define CM_REQ_SAP_SUPPORTED CM_FIELD_BLOC(struct cm_req_msg, 139, 5, 1)
  97 #define CM_REQ_PRIVATE_DATA CM_FIELD_MLOC(struct cm_req_msg, 140, 736, void)
  98 CM_STRUCT(struct cm_req_msg, 140 * 8 + 736);
  99
 100 /* Table 107 MRA Message Contents */
 101 #define CM_MRA_LOCAL_COMM_ID CM_FIELD32_LOC(struct cm_mra_msg, 0, 32)
 102 #define CM_MRA_REMOTE_COMM_ID CM_FIELD32_LOC(struct cm_mra_msg, 4, 32)
 103 #define CM_MRA_MESSAGE_MRAED CM_FIELD8_LOC(struct cm_mra_msg, 8, 2)
 104 #define CM_MRA_SERVICE_TIMEOUT CM_FIELD8_LOC(struct cm_mra_msg, 9, 5)
 105 #define CM_MRA_PRIVATE_DATA CM_FIELD_MLOC(struct cm_mra_msg, 10, 1776, void)
 106 CM_STRUCT(struct cm_mra_msg, 10 * 8 + 1776);
 107
 108 /* Table 108 REJ Message Contents */
 109 #define CM_REJ_LOCAL_COMM_ID CM_FIELD32_LOC(struct cm_rej_msg, 0, 32)
 110 #define CM_REJ_REMOTE_COMM_ID CM_FIELD32_LOC(struct cm_rej_msg, 4, 32)
 111 #define CM_REJ_MESSAGE_REJECTED CM_FIELD8_LOC(struct cm_rej_msg, 8, 2)
 112 #define CM_REJ_REJECTED_INFO_LENGTH CM_FIELD8_LOC(struct cm_rej_msg, 9, 7)
 113 #define CM_REJ_REASON CM_FIELD16_LOC(struct cm_rej_msg, 10, 16)
 114 #define CM_REJ_ARI CM_FIELD_MLOC(struct cm_rej_msg, 12, 576, void)
 115 #define CM_REJ_PRIVATE_DATA CM_FIELD_MLOC(struct cm_rej_msg, 84, 1184, void)
 116 CM_STRUCT(struct cm_rej_msg, 84 * 8 + 1184);
 117
 118 /* Table 110 REP Message Contents */
 119 #define CM_REP_LOCAL_COMM_ID CM_FIELD32_LOC(struct cm_rep_msg, 0, 32)
 120 #define CM_REP_REMOTE_COMM_ID CM_FIELD32_LOC(struct cm_rep_msg, 4, 32)
 121 #define CM_REP_LOCAL_Q_KEY CM_FIELD32_LOC(struct cm_rep_msg, 8, 32)
 122 #define CM_REP_LOCAL_QPN CM_FIELD32_LOC(struct cm_rep_msg, 12, 24)
 123 #define CM_REP_VENDOR_ID_H CM_FIELD8_LOC(struct cm_rep_msg, 15, 8)
 124 #define CM_REP_LOCAL_EE_CONTEXT_NUMBER CM_FIELD32_LOC(struct cm_rep_msg, 16, 24)
 125 #define CM_REP_VENDOR_ID_M CM_FIELD8_LOC(struct cm_rep_msg, 19, 8)
 126 #define CM_REP_STARTING_PSN CM_FIELD32_LOC(struct cm_rep_msg, 20, 24)
 127 #define CM_REP_VENDOR_ID_L CM_FIELD8_LOC(struct cm_rep_msg, 23, 8)
 128 #define CM_REP_RESPONDER_RESOURCES CM_FIELD8_LOC(struct cm_rep_msg, 24, 8)
 129 #define CM_REP_INITIATOR_DEPTH CM_FIELD8_LOC(struct cm_rep_msg, 25, 8)
 130 #define CM_REP_TARGET_ACK_DELAY CM_FIELD8_LOC(struct cm_rep_msg, 26, 5)
 131 #define CM_REP_FAILOVER_ACCEPTED CM_FIELD_BLOC(struct cm_rep_msg, 26, 5, 2)
 132 #define CM_REP_END_TO_END_FLOW_CONTROL                                         \
 133         CM_FIELD_BLOC(struct cm_rep_msg, 26, 7, 1)
 134 #define CM_REP_RNR_RETRY_COUNT CM_FIELD8_LOC(struct cm_rep_msg, 27, 3)
 135 #define CM_REP_SRQ CM_FIELD_BLOC(struct cm_rep_msg, 27, 3, 1)
 136 #define CM_REP_LOCAL_CA_GUID CM_FIELD64_LOC(struct cm_rep_msg, 28)
 137 #define CM_REP_PRIVATE_DATA CM_FIELD_MLOC(struct cm_rep_msg, 36, 1568, void)
 138 CM_STRUCT(struct cm_rep_msg, 36 * 8 + 1568);
 139
 140 /* Table 111 RTU Message Contents */
 141 #define CM_RTU_LOCAL_COMM_ID CM_FIELD32_LOC(struct cm_rtu_msg, 0, 32)
 142 #define CM_RTU_REMOTE_COMM_ID CM_FIELD32_LOC(struct cm_rtu_msg, 4, 32)
 143 #define CM_RTU_PRIVATE_DATA CM_FIELD_MLOC(struct cm_rtu_msg, 8, 1792, void)
 144 CM_STRUCT(struct cm_rtu_msg, 8 * 8 + 1792);
 145
 146 /* Table 112 DREQ Message Contents */
 147 #define CM_DREQ_LOCAL_COMM_ID CM_FIELD32_LOC(struct cm_dreq_msg, 0, 32)
 148 #define CM_DREQ_REMOTE_COMM_ID CM_FIELD32_LOC(struct cm_dreq_msg, 4, 32)
 149 #define CM_DREQ_REMOTE_QPN_EECN CM_FIELD32_LOC(struct cm_dreq_msg, 8, 24)
 150 #define CM_DREQ_PRIVATE_DATA CM_FIELD_MLOC(struct cm_dreq_msg, 12, 1760, void)
 151 CM_STRUCT(struct cm_dreq_msg, 12 * 8 + 1760);
 152
 153 /* Table 113 DREP Message Contents */
 154 #define CM_DREP_LOCAL_COMM_ID CM_FIELD32_LOC(struct cm_drep_msg, 0, 32)
 155 #define CM_DREP_REMOTE_COMM_ID CM_FIELD32_LOC(struct cm_drep_msg, 4, 32)
 156 #define CM_DREP_PRIVATE_DATA CM_FIELD_MLOC(struct cm_drep_msg, 8, 1792, void)
 157 CM_STRUCT(struct cm_drep_msg, 8 * 8 + 1792);
 158
 159 /* Table 115 LAP Message Contents */
 160 #define CM_LAP_LOCAL_COMM_ID CM_FIELD32_LOC(struct cm_lap_msg, 0, 32)
 161 #define CM_LAP_REMOTE_COMM_ID CM_FIELD32_LOC(struct cm_lap_msg, 4, 32)
 162 #define CM_LAP_REMOTE_QPN_EECN CM_FIELD32_LOC(struct cm_lap_msg, 12, 24)
 163 #define CM_LAP_REMOTE_CM_RESPONSE_TIMEOUT                                      \
 164         CM_FIELD8_LOC(struct cm_lap_msg, 15, 5)
 165 #define CM_LAP_ALTERNATE_LOCAL_PORT_LID                                        \
 166         CM_FIELD16_LOC(struct cm_lap_msg, 20, 16)
 167 #define CM_LAP_ALTERNATE_REMOTE_PORT_LID                                       \
 168         CM_FIELD16_LOC(struct cm_lap_msg, 22, 16)
 169 #define CM_LAP_ALTERNATE_LOCAL_PORT_GID                                        \
 170         CM_FIELD_MLOC(struct cm_lap_msg, 24, 128, union ib_gid)
 171 #define CM_LAP_ALTERNATE_REMOTE_PORT_GID                                       \
 172         CM_FIELD_MLOC(struct cm_lap_msg, 40, 128, union ib_gid)
 173 #define CM_LAP_ALTERNATE_FLOW_LABEL CM_FIELD32_LOC(struct cm_lap_msg, 56, 20)
 174 #define CM_LAP_ALTERNATE_TRAFFIC_CLASS CM_FIELD8_LOC(struct cm_lap_msg, 59, 8)
 175 #define CM_LAP_ALTERNATE_HOP_LIMIT CM_FIELD8_LOC(struct cm_lap_msg, 60, 8)
 176 #define CM_LAP_ALTERNATE_PACKET_RATE CM_FIELD_BLOC(struct cm_lap_msg, 61, 2, 6)
 177 #define CM_LAP_ALTERNATE_SL CM_FIELD8_LOC(struct cm_lap_msg, 62, 4)
 178 #define CM_LAP_ALTERNATE_SUBNET_LOCAL CM_FIELD_BLOC(struct cm_lap_msg, 62, 4, 1)
 179 #define CM_LAP_ALTERNATE_LOCAL_ACK_TIMEOUT                                     \
 180         CM_FIELD8_LOC(struct cm_lap_msg, 63, 5)
 181 #define CM_LAP_PRIVATE_DATA CM_FIELD_MLOC(struct cm_lap_msg, 64, 1344, void)
 182 CM_STRUCT(struct cm_lap_msg, 64 * 8 + 1344);
 183
 184 /* Table 116 APR Message Contents */
 185 #define CM_APR_LOCAL_COMM_ID CM_FIELD32_LOC(struct cm_apr_msg, 0, 32)
 186 #define CM_APR_REMOTE_COMM_ID CM_FIELD32_LOC(struct cm_apr_msg, 4, 32)
 187 #define CM_APR_ADDITIONAL_INFORMATION_LENGTH                                   \
 188         CM_FIELD8_LOC(struct cm_apr_msg, 8, 8)
 189 #define CM_APR_AR_STATUS CM_FIELD8_LOC(struct cm_apr_msg, 9, 8)
 190 #define CM_APR_ADDITIONAL_INFORMATION                                          \
 191         CM_FIELD_MLOC(struct cm_apr_msg, 12, 576, void)
 192 #define CM_APR_PRIVATE_DATA CM_FIELD_MLOC(struct cm_apr_msg, 84, 1184, void)
 193 CM_STRUCT(struct cm_apr_msg, 84 * 8 + 1184);
 194
 195 /* Table 119 SIDR_REQ Message Contents */
 196 #define CM_SIDR_REQ_REQUESTID CM_FIELD32_LOC(struct cm_sidr_req_msg, 0, 32)
 197 #define CM_SIDR_REQ_PARTITION_KEY CM_FIELD16_LOC(struct cm_sidr_req_msg, 4, 16)
 198 #define CM_SIDR_REQ_SERVICEID CM_FIELD64_LOC(struct cm_sidr_req_msg, 8)
 199 #define CM_SIDR_REQ_PRIVATE_DATA                                               \
 200         CM_FIELD_MLOC(struct cm_sidr_req_msg, 16, 1728, void)
 201 CM_STRUCT(struct cm_sidr_req_msg, 16 * 8 + 1728);
 202
 203 /* Table 120 SIDR_REP Message Contents */
 204 #define CM_SIDR_REP_REQUESTID CM_FIELD32_LOC(struct cm_sidr_rep_msg, 0, 32)
 205 #define CM_SIDR_REP_STATUS CM_FIELD8_LOC(struct cm_sidr_rep_msg, 4, 8)
 206 #define CM_SIDR_REP_ADDITIONAL_INFORMATION_LENGTH                              \
 207         CM_FIELD8_LOC(struct cm_sidr_rep_msg, 5, 8)
 208 #define CM_SIDR_REP_VENDOR_ID_H CM_FIELD16_LOC(struct cm_sidr_rep_msg, 6, 16)
 209 #define CM_SIDR_REP_QPN CM_FIELD32_LOC(struct cm_sidr_rep_msg, 8, 24)
 210 #define CM_SIDR_REP_VENDOR_ID_L CM_FIELD8_LOC(struct cm_sidr_rep_msg, 11, 8)
 211 #define CM_SIDR_REP_SERVICEID CM_FIELD64_LOC(struct cm_sidr_rep_msg, 12)
 212 #define CM_SIDR_REP_Q_KEY CM_FIELD32_LOC(struct cm_sidr_rep_msg, 20, 32)
 213 #define CM_SIDR_REP_ADDITIONAL_INFORMATION                                     \
 214         CM_FIELD_MLOC(struct cm_sidr_rep_msg, 24, 576, void)
 215 #define CM_SIDR_REP_PRIVATE_DATA                                               \
 216         CM_FIELD_MLOC(struct cm_sidr_rep_msg, 96, 1088, void)
 217 CM_STRUCT(struct cm_sidr_rep_msg, 96 * 8 + 1088);
 218
 219 #endif /* _IBTA_VOL1_C12_H_ */