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) 98CM_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) 106CM_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) 116CM_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) 138CM_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) 144CM_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) 151CM_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) 157CM_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) 182CM_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) 193CM_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) 201CM_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) 217CM_STRUCT(struct cm_sidr_rep_msg, 96 * 8 + 1088); 218 219#endif /* _IBTA_VOL1_C12_H_ */ 220