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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 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_ */