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_ */ 220