Commit | Line | Data |
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6bf9d8f6 | 1 | /* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ |
1da177e4 LT |
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. | |
1da177e4 LT |
8 | */ |
9 | ||
6bf9d8f6 | 10 | #ifndef IB_SMI_H |
1da177e4 LT |
11 | #define IB_SMI_H |
12 | ||
a4d61e84 | 13 | #include <rdma/ib_mad.h> |
1da177e4 | 14 | |
1da177e4 LT |
15 | #define IB_SMP_DATA_SIZE 64 |
16 | #define IB_SMP_MAX_PATH_HOPS 64 | |
17 | ||
18 | struct ib_smp { | |
19 | u8 base_version; | |
20 | u8 mgmt_class; | |
21 | u8 class_version; | |
22 | u8 method; | |
97f52eb4 | 23 | __be16 status; |
1da177e4 LT |
24 | u8 hop_ptr; |
25 | u8 hop_cnt; | |
97f52eb4 SH |
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; | |
1da177e4 LT |
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]; | |
19b1a294 | 37 | } __packed; |
1da177e4 | 38 | |
9c3da099 | 39 | #define IB_SMP_DIRECTION cpu_to_be16(0x8000) |
1da177e4 LT |
40 | |
41 | /* Subnet management attributes */ | |
9c3da099 HH |
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) | |
1da177e4 | 58 | |
da2ab62a LA |
59 | struct 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 | ||
0629cb06 IW |
95 | struct 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 | ||
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 */ | |
113 | u8 weight; | |
114 | }; | |
115 | ||
1da177e4 LT |
116 | static inline u8 |
117 | ib_get_smp_direction(struct ib_smp *smp) | |
118 | { | |
119 | return ((smp->status & IB_SMP_DIRECTION) == IB_SMP_DIRECTION); | |
120 | } | |
121 | ||
0629cb06 IW |
122 | /* |
123 | * SM Trap/Notice numbers | |
124 | */ | |
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 0x01 | |
140 | ||
141 | /* | |
142 | * M_Key volation flags in dr_trunc_hop (trap 256). | |
143 | */ | |
144 | #define IB_NOTICE_TRAP_DR_NOTICE 0x80 | |
145 | #define IB_NOTICE_TRAP_DR_TRUNC 0x40 | |
146 | ||
d82e2b27 LR |
147 | /** |
148 | * ib_init_query_mad - Initialize query MAD. | |
149 | * @mad: MAD to initialize. | |
150 | */ | |
151 | static 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 | } | |
1da177e4 | 158 | #endif /* IB_SMI_H */ |