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 * $FreeBSD$ 39 */ 40 41#if !defined(IB_SMI_H) 42#define IB_SMI_H 43 44#include <rdma/ib_mad.h> 45 46#define IB_SMP_DATA_SIZE 64 47#define IB_SMP_MAX_PATH_HOPS 64 48 49struct ib_smp { 50 u8 base_version; 51 u8 mgmt_class; 52 u8 class_version; 53 u8 method; 54 __be16 status; 55 u8 hop_ptr; 56 u8 hop_cnt; 57 __be64 tid; 58 __be16 attr_id; 59 __be16 resv; 60 __be32 attr_mod; 61 __be64 mkey; 62 __be16 dr_slid; 63 __be16 dr_dlid; 64 u8 reserved[28]; 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)); 69 70#define IB_SMP_DIRECTION cpu_to_be16(0x8000) 71 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) 89 90struct ib_port_info { 91 __be64 mkey; 92 __be64 gid_prefix; 93 __be16 lid; 94 __be16 sm_lid; 95 __be32 cap_mask; 96 __be16 diag_code; 97 __be16 mkey_lease_period; 98 u8 local_port_num; 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 */ 108 u8 vl_high_limit; 109 u8 vl_arb_high_cap; 110 u8 vl_arb_low_cap; 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; 117 u8 guid_cap; 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; 122 u8 resv; 123 u8 link_roundtrip_latency[3]; 124}; 125 126struct ib_node_info { 127 u8 base_version; 128 u8 class_version; 129 u8 node_type; 130 u8 num_ports; 131 __be64 sys_guid; 132 __be64 node_guid; 133 __be64 port_guid; 134 __be16 partition_cap; 135 __be16 device_id; 136 __be32 revision; 137 u8 local_port_num; 138 u8 vendor_id[3]; 139} __packed; 140 141struct 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 */ 144 u8 weight; 145}; 146 147static inline u8 148ib_get_smp_direction(const struct ib_smp *smp) 149{ 150 return ((smp->status & IB_SMP_DIRECTION) == IB_SMP_DIRECTION); 151} 152 153/* 154 * SM Trap/Notice numbers 155 */ 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) 164 165/* 166 * Other local changes flags (trap 144). 167 */ 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 171 172/* 173 * M_Key volation flags in dr_trunc_hop (trap 256). 174 */ 175#define IB_NOTICE_TRAP_DR_NOTICE 0x80 176#define IB_NOTICE_TRAP_DR_TRUNC 0x40 177 178 179#endif /* IB_SMI_H */ 180