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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 MANAGEMENT7 */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