ib_smi.h revision 331769
1/* 2 * Copyright (c) 2004 Mellanox Technologies Ltd. All rights reserved. 3 * Copyright (c) 2004 Infinicon Corporation. All rights reserved. 4 * Copyright (c) 2004 Intel Corporation. All rights reserved. 5 * Copyright (c) 2004 Topspin Corporation. All rights reserved. 6 * Copyright (c) 2004 Voltaire Corporation. All rights reserved. 7 * 8 * This software is available to you under a choice of one of two 9 * licenses. You may choose to be licensed under the terms of the GNU 10 * General Public License (GPL) Version 2, available from the file 11 * COPYING in the main directory of this source tree, or the 12 * OpenIB.org BSD license below: 13 * 14 * Redistribution and use in source and binary forms, with or 15 * without modification, are permitted provided that the following 16 * conditions are met: 17 * 18 * - Redistributions of source code must retain the above 19 * copyright notice, this list of conditions and the following 20 * disclaimer. 21 * 22 * - Redistributions in binary form must reproduce the above 23 * copyright notice, this list of conditions and the following 24 * disclaimer in the documentation and/or other materials 25 * provided with the distribution. 26 * 27 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 28 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 29 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 30 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 31 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 32 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 33 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 34 * SOFTWARE. 35 */ 36 37#if !defined(IB_SMI_H) 38#define IB_SMI_H 39 40#include <rdma/ib_mad.h> 41 42#define IB_SMP_DATA_SIZE 64 43#define IB_SMP_MAX_PATH_HOPS 64 44 45struct ib_smp { 46 u8 base_version; 47 u8 mgmt_class; 48 u8 class_version; 49 u8 method; 50 __be16 status; 51 u8 hop_ptr; 52 u8 hop_cnt; 53 __be64 tid; 54 __be16 attr_id; 55 __be16 resv; 56 __be32 attr_mod; 57 __be64 mkey; 58 __be16 dr_slid; 59 __be16 dr_dlid; 60 u8 reserved[28]; 61 u8 data[IB_SMP_DATA_SIZE]; 62 u8 initial_path[IB_SMP_MAX_PATH_HOPS]; 63 u8 return_path[IB_SMP_MAX_PATH_HOPS]; 64} __attribute__ ((packed)); 65 66#define IB_SMP_DIRECTION cpu_to_be16(0x8000) 67 68/* Subnet management attributes */ 69#define IB_SMP_ATTR_NOTICE cpu_to_be16(0x0002) 70#define IB_SMP_ATTR_NODE_DESC cpu_to_be16(0x0010) 71#define IB_SMP_ATTR_NODE_INFO cpu_to_be16(0x0011) 72#define IB_SMP_ATTR_SWITCH_INFO cpu_to_be16(0x0012) 73#define IB_SMP_ATTR_GUID_INFO cpu_to_be16(0x0014) 74#define IB_SMP_ATTR_PORT_INFO cpu_to_be16(0x0015) 75#define IB_SMP_ATTR_PKEY_TABLE cpu_to_be16(0x0016) 76#define IB_SMP_ATTR_SL_TO_VL_TABLE cpu_to_be16(0x0017) 77#define IB_SMP_ATTR_VL_ARB_TABLE cpu_to_be16(0x0018) 78#define IB_SMP_ATTR_LINEAR_FORWARD_TABLE cpu_to_be16(0x0019) 79#define IB_SMP_ATTR_RANDOM_FORWARD_TABLE cpu_to_be16(0x001A) 80#define IB_SMP_ATTR_MCAST_FORWARD_TABLE cpu_to_be16(0x001B) 81#define IB_SMP_ATTR_SM_INFO cpu_to_be16(0x0020) 82#define IB_SMP_ATTR_VENDOR_DIAG cpu_to_be16(0x0030) 83#define IB_SMP_ATTR_LED_INFO cpu_to_be16(0x0031) 84#define IB_SMP_ATTR_VENDOR_MASK cpu_to_be16(0xFF00) 85 86struct ib_port_info { 87 __be64 mkey; 88 __be64 gid_prefix; 89 __be16 lid; 90 __be16 sm_lid; 91 __be32 cap_mask; 92 __be16 diag_code; 93 __be16 mkey_lease_period; 94 u8 local_port_num; 95 u8 link_width_enabled; 96 u8 link_width_supported; 97 u8 link_width_active; 98 u8 linkspeed_portstate; /* 4 bits, 4 bits */ 99 u8 portphysstate_linkdown; /* 4 bits, 4 bits */ 100 u8 mkeyprot_resv_lmc; /* 2 bits, 3, 3 */ 101 u8 linkspeedactive_enabled; /* 4 bits, 4 bits */ 102 u8 neighbormtu_mastersmsl; /* 4 bits, 4 bits */ 103 u8 vlcap_inittype; /* 4 bits, 4 bits */ 104 u8 vl_high_limit; 105 u8 vl_arb_high_cap; 106 u8 vl_arb_low_cap; 107 u8 inittypereply_mtucap; /* 4 bits, 4 bits */ 108 u8 vlstallcnt_hoqlife; /* 3 bits, 5 bits */ 109 u8 operationalvl_pei_peo_fpi_fpo; /* 4 bits, 1, 1, 1, 1 */ 110 __be16 mkey_violations; 111 __be16 pkey_violations; 112 __be16 qkey_violations; 113 u8 guid_cap; 114 u8 clientrereg_resv_subnetto; /* 1 bit, 2 bits, 5 */ 115 u8 resv_resptimevalue; /* 3 bits, 5 bits */ 116 u8 localphyerrors_overrunerrors; /* 4 bits, 4 bits */ 117 __be16 max_credit_hint; 118 u8 resv; 119 u8 link_roundtrip_latency[3]; 120}; 121 122struct ib_node_info { 123 u8 base_version; 124 u8 class_version; 125 u8 node_type; 126 u8 num_ports; 127 __be64 sys_guid; 128 __be64 node_guid; 129 __be64 port_guid; 130 __be16 partition_cap; 131 __be16 device_id; 132 __be32 revision; 133 u8 local_port_num; 134 u8 vendor_id[3]; 135} __packed; 136 137struct ib_vl_weight_elem { 138 u8 vl; /* IB: VL is low 4 bits, upper 4 bits reserved */ 139 /* OPA: VL is low 5 bits, upper 3 bits reserved */ 140 u8 weight; 141}; 142 143static inline u8 144ib_get_smp_direction(const struct ib_smp *smp) 145{ 146 return ((smp->status & IB_SMP_DIRECTION) == IB_SMP_DIRECTION); 147} 148 149/* 150 * SM Trap/Notice numbers 151 */ 152#define IB_NOTICE_TRAP_LLI_THRESH cpu_to_be16(129) 153#define IB_NOTICE_TRAP_EBO_THRESH cpu_to_be16(130) 154#define IB_NOTICE_TRAP_FLOW_UPDATE cpu_to_be16(131) 155#define IB_NOTICE_TRAP_CAP_MASK_CHG cpu_to_be16(144) 156#define IB_NOTICE_TRAP_SYS_GUID_CHG cpu_to_be16(145) 157#define IB_NOTICE_TRAP_BAD_MKEY cpu_to_be16(256) 158#define IB_NOTICE_TRAP_BAD_PKEY cpu_to_be16(257) 159#define IB_NOTICE_TRAP_BAD_QKEY cpu_to_be16(258) 160 161/* 162 * Other local changes flags (trap 144). 163 */ 164#define IB_NOTICE_TRAP_LSE_CHG 0x04 /* Link Speed Enable changed */ 165#define IB_NOTICE_TRAP_LWE_CHG 0x02 /* Link Width Enable changed */ 166#define IB_NOTICE_TRAP_NODE_DESC_CHG 0x01 167 168/* 169 * M_Key volation flags in dr_trunc_hop (trap 256). 170 */ 171#define IB_NOTICE_TRAP_DR_NOTICE 0x80 172#define IB_NOTICE_TRAP_DR_TRUNC 0x40 173 174 175#endif /* IB_SMI_H */ 176