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_H |
11 | #define IB_SMI_H |
12 | |
13 | #include <rdma/ib_mad.h> |
14 | |
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; |
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 | |
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 | |
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 | |
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 | |
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 | |
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 | } |
158 | #endif /* IB_SMI_H */ |
159 | |