1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause OR GPL-2.0 3 * 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. 9 * 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: 15 * 16 * Redistribution and use in source and binary forms, with or 17 * without modification, are permitted provided that the following 18 * conditions are met: 19 * 20 * - Redistributions of source code must retain the above 21 * copyright notice, this list of conditions and the following 22 * disclaimer. 23 * 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. 28 * 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 36 * SOFTWARE. 37 */ 38 39 #if !defined(IB_SMI_H) 40 #define IB_SMI_H 41 42 #include <rdma/ib_mad.h> 43 44 #define IB_SMP_DATA_SIZE 64 45 #define IB_SMP_MAX_PATH_HOPS 64 46 47 struct ib_smp { 48 u8 base_version; 49 u8 mgmt_class; 50 u8 class_version; 51 u8 method; 52 __be16 status; 53 u8 hop_ptr; 54 u8 hop_cnt; 55 __be64 tid; 56 __be16 attr_id; 57 __be16 resv; 58 __be32 attr_mod; 59 __be64 mkey; 60 __be16 dr_slid; 61 __be16 dr_dlid; 62 u8 reserved[28]; 63 u8 data[IB_SMP_DATA_SIZE]; 64 u8 initial_path[IB_SMP_MAX_PATH_HOPS]; 65 u8 return_path[IB_SMP_MAX_PATH_HOPS]; 66 } __attribute__ ((packed)); 67 68 #define IB_SMP_DIRECTION cpu_to_be16(0x8000) 69 70 /* Subnet management attributes */ 71 #define IB_SMP_ATTR_NOTICE cpu_to_be16(0x0002) 72 #define IB_SMP_ATTR_NODE_DESC cpu_to_be16(0x0010) 73 #define IB_SMP_ATTR_NODE_INFO cpu_to_be16(0x0011) 74 #define IB_SMP_ATTR_SWITCH_INFO cpu_to_be16(0x0012) 75 #define IB_SMP_ATTR_GUID_INFO cpu_to_be16(0x0014) 76 #define IB_SMP_ATTR_PORT_INFO cpu_to_be16(0x0015) 77 #define IB_SMP_ATTR_PKEY_TABLE cpu_to_be16(0x0016) 78 #define IB_SMP_ATTR_SL_TO_VL_TABLE cpu_to_be16(0x0017) 79 #define IB_SMP_ATTR_VL_ARB_TABLE cpu_to_be16(0x0018) 80 #define IB_SMP_ATTR_LINEAR_FORWARD_TABLE cpu_to_be16(0x0019) 81 #define IB_SMP_ATTR_RANDOM_FORWARD_TABLE cpu_to_be16(0x001A) 82 #define IB_SMP_ATTR_MCAST_FORWARD_TABLE cpu_to_be16(0x001B) 83 #define IB_SMP_ATTR_SM_INFO cpu_to_be16(0x0020) 84 #define IB_SMP_ATTR_VENDOR_DIAG cpu_to_be16(0x0030) 85 #define IB_SMP_ATTR_LED_INFO cpu_to_be16(0x0031) 86 #define IB_SMP_ATTR_VENDOR_MASK cpu_to_be16(0xFF00) 87 88 struct ib_port_info { 89 __be64 mkey; 90 __be64 gid_prefix; 91 __be16 lid; 92 __be16 sm_lid; 93 __be32 cap_mask; 94 __be16 diag_code; 95 __be16 mkey_lease_period; 96 u8 local_port_num; 97 u8 link_width_enabled; 98 u8 link_width_supported; 99 u8 link_width_active; 100 u8 linkspeed_portstate; /* 4 bits, 4 bits */ 101 u8 portphysstate_linkdown; /* 4 bits, 4 bits */ 102 u8 mkeyprot_resv_lmc; /* 2 bits, 3, 3 */ 103 u8 linkspeedactive_enabled; /* 4 bits, 4 bits */ 104 u8 neighbormtu_mastersmsl; /* 4 bits, 4 bits */ 105 u8 vlcap_inittype; /* 4 bits, 4 bits */ 106 u8 vl_high_limit; 107 u8 vl_arb_high_cap; 108 u8 vl_arb_low_cap; 109 u8 inittypereply_mtucap; /* 4 bits, 4 bits */ 110 u8 vlstallcnt_hoqlife; /* 3 bits, 5 bits */ 111 u8 operationalvl_pei_peo_fpi_fpo; /* 4 bits, 1, 1, 1, 1 */ 112 __be16 mkey_violations; 113 __be16 pkey_violations; 114 __be16 qkey_violations; 115 u8 guid_cap; 116 u8 clientrereg_resv_subnetto; /* 1 bit, 2 bits, 5 */ 117 u8 resv_resptimevalue; /* 3 bits, 5 bits */ 118 u8 localphyerrors_overrunerrors; /* 4 bits, 4 bits */ 119 __be16 max_credit_hint; 120 u8 resv; 121 u8 link_roundtrip_latency[3]; 122 }; 123 124 struct ib_node_info { 125 u8 base_version; 126 u8 class_version; 127 u8 node_type; 128 u8 num_ports; 129 __be64 sys_guid; 130 __be64 node_guid; 131 __be64 port_guid; 132 __be16 partition_cap; 133 __be16 device_id; 134 __be32 revision; 135 u8 local_port_num; 136 u8 vendor_id[3]; 137 } __packed; 138 139 struct ib_vl_weight_elem { 140 u8 vl; /* IB: VL is low 4 bits, upper 4 bits reserved */ 141 /* OPA: VL is low 5 bits, upper 3 bits reserved */ 142 u8 weight; 143 }; 144 145 static inline u8 146 ib_get_smp_direction(const struct ib_smp *smp) 147 { 148 return ((smp->status & IB_SMP_DIRECTION) == IB_SMP_DIRECTION); 149 } 150 151 /* 152 * SM Trap/Notice numbers 153 */ 154 #define IB_NOTICE_TRAP_LLI_THRESH cpu_to_be16(129) 155 #define IB_NOTICE_TRAP_EBO_THRESH cpu_to_be16(130) 156 #define IB_NOTICE_TRAP_FLOW_UPDATE cpu_to_be16(131) 157 #define IB_NOTICE_TRAP_CAP_MASK_CHG cpu_to_be16(144) 158 #define IB_NOTICE_TRAP_SYS_GUID_CHG cpu_to_be16(145) 159 #define IB_NOTICE_TRAP_BAD_MKEY cpu_to_be16(256) 160 #define IB_NOTICE_TRAP_BAD_PKEY cpu_to_be16(257) 161 #define IB_NOTICE_TRAP_BAD_QKEY cpu_to_be16(258) 162 163 /* 164 * Other local changes flags (trap 144). 165 */ 166 #define IB_NOTICE_TRAP_LSE_CHG 0x04 /* Link Speed Enable changed */ 167 #define IB_NOTICE_TRAP_LWE_CHG 0x02 /* Link Width Enable changed */ 168 #define IB_NOTICE_TRAP_NODE_DESC_CHG 0x01 169 170 /* 171 * M_Key volation flags in dr_trunc_hop (trap 256). 172 */ 173 #define IB_NOTICE_TRAP_DR_NOTICE 0x80 174 #define IB_NOTICE_TRAP_DR_TRUNC 0x40 175 176 177 #endif /* IB_SMI_H */ 178