2 * SPDX-License-Identifier: BSD-2-Clause OR GPL-2.0
4 * Copyright (c) 2004 Mellanox Technologies Ltd. All rights reserved.
5 * Copyright (c) 2004 Infinicon Corporation. All rights reserved.
6 * Copyright (c) 2004 Intel Corporation. All rights reserved.
7 * Copyright (c) 2004 Topspin Corporation. All rights reserved.
8 * Copyright (c) 2004 Voltaire Corporation. All rights reserved.
10 * This software is available to you under a choice of one of two
11 * licenses. You may choose to be licensed under the terms of the GNU
12 * General Public License (GPL) Version 2, available from the file
13 * COPYING in the main directory of this source tree, or the
14 * OpenIB.org BSD license below:
16 * Redistribution and use in source and binary forms, with or
17 * without modification, are permitted provided that the following
20 * - Redistributions of source code must retain the above
21 * copyright notice, this list of conditions and the following
24 * - Redistributions in binary form must reproduce the above
25 * copyright notice, this list of conditions and the following
26 * disclaimer in the documentation and/or other materials
27 * provided with the distribution.
29 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
30 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
31 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
32 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
33 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
34 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
35 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
41 #if !defined(IB_SMI_H)
44 #include <rdma/ib_mad.h>
46 #define IB_SMP_DATA_SIZE 64
47 #define IB_SMP_MAX_PATH_HOPS 64
65 u8 data[IB_SMP_DATA_SIZE];
66 u8 initial_path[IB_SMP_MAX_PATH_HOPS];
67 u8 return_path[IB_SMP_MAX_PATH_HOPS];
68 } __attribute__ ((packed));
70 #define IB_SMP_DIRECTION cpu_to_be16(0x8000)
72 /* Subnet management attributes */
73 #define IB_SMP_ATTR_NOTICE cpu_to_be16(0x0002)
74 #define IB_SMP_ATTR_NODE_DESC cpu_to_be16(0x0010)
75 #define IB_SMP_ATTR_NODE_INFO cpu_to_be16(0x0011)
76 #define IB_SMP_ATTR_SWITCH_INFO cpu_to_be16(0x0012)
77 #define IB_SMP_ATTR_GUID_INFO cpu_to_be16(0x0014)
78 #define IB_SMP_ATTR_PORT_INFO cpu_to_be16(0x0015)
79 #define IB_SMP_ATTR_PKEY_TABLE cpu_to_be16(0x0016)
80 #define IB_SMP_ATTR_SL_TO_VL_TABLE cpu_to_be16(0x0017)
81 #define IB_SMP_ATTR_VL_ARB_TABLE cpu_to_be16(0x0018)
82 #define IB_SMP_ATTR_LINEAR_FORWARD_TABLE cpu_to_be16(0x0019)
83 #define IB_SMP_ATTR_RANDOM_FORWARD_TABLE cpu_to_be16(0x001A)
84 #define IB_SMP_ATTR_MCAST_FORWARD_TABLE cpu_to_be16(0x001B)
85 #define IB_SMP_ATTR_SM_INFO cpu_to_be16(0x0020)
86 #define IB_SMP_ATTR_VENDOR_DIAG cpu_to_be16(0x0030)
87 #define IB_SMP_ATTR_LED_INFO cpu_to_be16(0x0031)
88 #define IB_SMP_ATTR_VENDOR_MASK cpu_to_be16(0xFF00)
97 __be16 mkey_lease_period;
99 u8 link_width_enabled;
100 u8 link_width_supported;
101 u8 link_width_active;
102 u8 linkspeed_portstate; /* 4 bits, 4 bits */
103 u8 portphysstate_linkdown; /* 4 bits, 4 bits */
104 u8 mkeyprot_resv_lmc; /* 2 bits, 3, 3 */
105 u8 linkspeedactive_enabled; /* 4 bits, 4 bits */
106 u8 neighbormtu_mastersmsl; /* 4 bits, 4 bits */
107 u8 vlcap_inittype; /* 4 bits, 4 bits */
111 u8 inittypereply_mtucap; /* 4 bits, 4 bits */
112 u8 vlstallcnt_hoqlife; /* 3 bits, 5 bits */
113 u8 operationalvl_pei_peo_fpi_fpo; /* 4 bits, 1, 1, 1, 1 */
114 __be16 mkey_violations;
115 __be16 pkey_violations;
116 __be16 qkey_violations;
118 u8 clientrereg_resv_subnetto; /* 1 bit, 2 bits, 5 */
119 u8 resv_resptimevalue; /* 3 bits, 5 bits */
120 u8 localphyerrors_overrunerrors; /* 4 bits, 4 bits */
121 __be16 max_credit_hint;
123 u8 link_roundtrip_latency[3];
126 struct ib_node_info {
134 __be16 partition_cap;
141 struct ib_vl_weight_elem {
142 u8 vl; /* IB: VL is low 4 bits, upper 4 bits reserved */
143 /* OPA: VL is low 5 bits, upper 3 bits reserved */
148 ib_get_smp_direction(const struct ib_smp *smp)
150 return ((smp->status & IB_SMP_DIRECTION) == IB_SMP_DIRECTION);
154 * SM Trap/Notice numbers
156 #define IB_NOTICE_TRAP_LLI_THRESH cpu_to_be16(129)
157 #define IB_NOTICE_TRAP_EBO_THRESH cpu_to_be16(130)
158 #define IB_NOTICE_TRAP_FLOW_UPDATE cpu_to_be16(131)
159 #define IB_NOTICE_TRAP_CAP_MASK_CHG cpu_to_be16(144)
160 #define IB_NOTICE_TRAP_SYS_GUID_CHG cpu_to_be16(145)
161 #define IB_NOTICE_TRAP_BAD_MKEY cpu_to_be16(256)
162 #define IB_NOTICE_TRAP_BAD_PKEY cpu_to_be16(257)
163 #define IB_NOTICE_TRAP_BAD_QKEY cpu_to_be16(258)
166 * Other local changes flags (trap 144).
168 #define IB_NOTICE_TRAP_LSE_CHG 0x04 /* Link Speed Enable changed */
169 #define IB_NOTICE_TRAP_LWE_CHG 0x02 /* Link Width Enable changed */
170 #define IB_NOTICE_TRAP_NODE_DESC_CHG 0x01
173 * M_Key volation flags in dr_trunc_hop (trap 256).
175 #define IB_NOTICE_TRAP_DR_NOTICE 0x80
176 #define IB_NOTICE_TRAP_DR_TRUNC 0x40
179 #endif /* IB_SMI_H */