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1/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */2/*3 * Copyright (c) 2004 Mellanox Technologies Ltd. All rights reserved.4 * Copyright (c) 2004 Infinicon Corporation. All rights reserved.5 * Copyright (c) 2004 Intel Corporation. All rights reserved.6 * Copyright (c) 2004 Topspin Corporation. All rights reserved.7 * Copyright (c) 2004 Voltaire Corporation. All rights reserved.8 */9 10#ifndef IB_SMI_H11#define IB_SMI_H12 13#include <rdma/ib_mad.h>14 15#define IB_SMP_DATA_SIZE 6416#define IB_SMP_MAX_PATH_HOPS 6417 18struct ib_smp {19 u8 base_version;20 u8 mgmt_class;21 u8 class_version;22 u8 method;23 __be16 status;24 u8 hop_ptr;25 u8 hop_cnt;26 __be64 tid;27 __be16 attr_id;28 __be16 resv;29 __be32 attr_mod;30 __be64 mkey;31 __be16 dr_slid;32 __be16 dr_dlid;33 u8 reserved[28];34 u8 data[IB_SMP_DATA_SIZE];35 u8 initial_path[IB_SMP_MAX_PATH_HOPS];36 u8 return_path[IB_SMP_MAX_PATH_HOPS];37} __packed;38 39#define IB_SMP_DIRECTION cpu_to_be16(0x8000)40 41/* Subnet management attributes */42#define IB_SMP_ATTR_NOTICE cpu_to_be16(0x0002)43#define IB_SMP_ATTR_NODE_DESC cpu_to_be16(0x0010)44#define IB_SMP_ATTR_NODE_INFO cpu_to_be16(0x0011)45#define IB_SMP_ATTR_SWITCH_INFO cpu_to_be16(0x0012)46#define IB_SMP_ATTR_GUID_INFO cpu_to_be16(0x0014)47#define IB_SMP_ATTR_PORT_INFO cpu_to_be16(0x0015)48#define IB_SMP_ATTR_PKEY_TABLE cpu_to_be16(0x0016)49#define IB_SMP_ATTR_SL_TO_VL_TABLE cpu_to_be16(0x0017)50#define IB_SMP_ATTR_VL_ARB_TABLE cpu_to_be16(0x0018)51#define IB_SMP_ATTR_LINEAR_FORWARD_TABLE cpu_to_be16(0x0019)52#define IB_SMP_ATTR_RANDOM_FORWARD_TABLE cpu_to_be16(0x001A)53#define IB_SMP_ATTR_MCAST_FORWARD_TABLE cpu_to_be16(0x001B)54#define IB_SMP_ATTR_SM_INFO cpu_to_be16(0x0020)55#define IB_SMP_ATTR_VENDOR_DIAG cpu_to_be16(0x0030)56#define IB_SMP_ATTR_LED_INFO cpu_to_be16(0x0031)57#define IB_SMP_ATTR_VENDOR_MASK cpu_to_be16(0xFF00)58 59struct ib_port_info {60 __be64 mkey;61 __be64 gid_prefix;62 __be16 lid;63 __be16 sm_lid;64 __be32 cap_mask;65 __be16 diag_code;66 __be16 mkey_lease_period;67 u8 local_port_num;68 u8 link_width_enabled;69 u8 link_width_supported;70 u8 link_width_active;71 u8 linkspeed_portstate; /* 4 bits, 4 bits */72 u8 portphysstate_linkdown; /* 4 bits, 4 bits */73 u8 mkeyprot_resv_lmc; /* 2 bits, 3, 3 */74 u8 linkspeedactive_enabled; /* 4 bits, 4 bits */75 u8 neighbormtu_mastersmsl; /* 4 bits, 4 bits */76 u8 vlcap_inittype; /* 4 bits, 4 bits */77 u8 vl_high_limit;78 u8 vl_arb_high_cap;79 u8 vl_arb_low_cap;80 u8 inittypereply_mtucap; /* 4 bits, 4 bits */81 u8 vlstallcnt_hoqlife; /* 3 bits, 5 bits */82 u8 operationalvl_pei_peo_fpi_fpo; /* 4 bits, 1, 1, 1, 1 */83 __be16 mkey_violations;84 __be16 pkey_violations;85 __be16 qkey_violations;86 u8 guid_cap;87 u8 clientrereg_resv_subnetto; /* 1 bit, 2 bits, 5 */88 u8 resv_resptimevalue; /* 3 bits, 5 bits */89 u8 localphyerrors_overrunerrors; /* 4 bits, 4 bits */90 __be16 max_credit_hint;91 u8 resv;92 u8 link_roundtrip_latency[3];93};94 95struct ib_node_info {96 u8 base_version;97 u8 class_version;98 u8 node_type;99 u8 num_ports;100 __be64 sys_guid;101 __be64 node_guid;102 __be64 port_guid;103 __be16 partition_cap;104 __be16 device_id;105 __be32 revision;106 u8 local_port_num;107 u8 vendor_id[3];108} __packed;109 110struct ib_vl_weight_elem {111 u8 vl; /* IB: VL is low 4 bits, upper 4 bits reserved */112 /* OPA: VL is low 5 bits, upper 3 bits reserved */113 u8 weight;114};115 116static inline u8117ib_get_smp_direction(struct ib_smp *smp)118{119 return ((smp->status & IB_SMP_DIRECTION) == IB_SMP_DIRECTION);120}121 122/*123 * SM Trap/Notice numbers124 */125#define IB_NOTICE_TRAP_LLI_THRESH cpu_to_be16(129)126#define IB_NOTICE_TRAP_EBO_THRESH cpu_to_be16(130)127#define IB_NOTICE_TRAP_FLOW_UPDATE cpu_to_be16(131)128#define IB_NOTICE_TRAP_CAP_MASK_CHG cpu_to_be16(144)129#define IB_NOTICE_TRAP_SYS_GUID_CHG cpu_to_be16(145)130#define IB_NOTICE_TRAP_BAD_MKEY cpu_to_be16(256)131#define IB_NOTICE_TRAP_BAD_PKEY cpu_to_be16(257)132#define IB_NOTICE_TRAP_BAD_QKEY cpu_to_be16(258)133 134/*135 * Other local changes flags (trap 144).136 */137#define IB_NOTICE_TRAP_LSE_CHG 0x04 /* Link Speed Enable changed */138#define IB_NOTICE_TRAP_LWE_CHG 0x02 /* Link Width Enable changed */139#define IB_NOTICE_TRAP_NODE_DESC_CHG 0x01140 141/*142 * M_Key volation flags in dr_trunc_hop (trap 256).143 */144#define IB_NOTICE_TRAP_DR_NOTICE 0x80145#define IB_NOTICE_TRAP_DR_TRUNC 0x40146 147/**148 * ib_init_query_mad - Initialize query MAD.149 * @mad: MAD to initialize.150 */151static inline void ib_init_query_mad(struct ib_smp *mad)152{153 mad->base_version = IB_MGMT_BASE_VERSION;154 mad->mgmt_class = IB_MGMT_CLASS_SUBN_LID_ROUTED;155 mad->class_version = 1;156 mad->method = IB_MGMT_METHOD_GET;157}158#endif /* IB_SMI_H */159