1 /* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
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.
13 #include <rdma/ib_mad.h>
15 #define IB_SMP_DATA_SIZE 64
16 #define IB_SMP_MAX_PATH_HOPS 64
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];
39 #define IB_SMP_DIRECTION cpu_to_be16(0x8000)
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)
66 __be16 mkey_lease_period;
68 u8 link_width_enabled;
69 u8 link_width_supported;
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 */
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;
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;
92 u8 link_roundtrip_latency[3];
103 __be16 partition_cap;
110 struct 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 */
117 ib_get_smp_direction(struct ib_smp *smp)
119 return ((smp->status & IB_SMP_DIRECTION) == IB_SMP_DIRECTION);
123 * SM Trap/Notice numbers
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)
135 * Other local changes flags (trap 144).
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 0x01
142 * M_Key volation flags in dr_trunc_hop (trap 256).
144 #define IB_NOTICE_TRAP_DR_NOTICE 0x80
145 #define IB_NOTICE_TRAP_DR_TRUNC 0x40
148 * ib_init_query_mad - Initialize query MAD.
149 * @mad: MAD to initialize.
151 static inline void ib_init_query_mad(struct ib_smp *mad)
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;
158 #endif /* IB_SMI_H */