1 | /* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ |
2 | /* |
3 | * Copyright (c) 2014 Intel Corporation. All rights reserved. |
4 | */ |
5 | |
6 | #ifndef OPA_SMI_H |
7 | #define OPA_SMI_H |
8 | |
9 | #include <rdma/ib_mad.h> |
10 | #include <rdma/ib_smi.h> |
11 | |
12 | #define OPA_SMP_LID_DATA_SIZE 2016 |
13 | #define OPA_SMP_DR_DATA_SIZE 1872 |
14 | #define OPA_SMP_MAX_PATH_HOPS 64 |
15 | |
16 | #define OPA_MAX_VLS 32 |
17 | #define OPA_MAX_SLS 32 |
18 | #define OPA_MAX_SCS 32 |
19 | |
20 | #define OPA_LID_PERMISSIVE cpu_to_be32(0xFFFFFFFF) |
21 | |
22 | struct opa_smp { |
23 | u8 base_version; |
24 | u8 mgmt_class; |
25 | u8 class_version; |
26 | u8 method; |
27 | __be16 status; |
28 | u8 hop_ptr; |
29 | u8 hop_cnt; |
30 | __be64 tid; |
31 | __be16 attr_id; |
32 | __be16 resv; |
33 | __be32 attr_mod; |
34 | __be64 mkey; |
35 | union { |
36 | struct { |
37 | uint8_t data[OPA_SMP_LID_DATA_SIZE]; |
38 | } lid; |
39 | struct { |
40 | __be32 dr_slid; |
41 | __be32 dr_dlid; |
42 | u8 initial_path[OPA_SMP_MAX_PATH_HOPS]; |
43 | u8 return_path[OPA_SMP_MAX_PATH_HOPS]; |
44 | u8 reserved[8]; |
45 | u8 data[OPA_SMP_DR_DATA_SIZE]; |
46 | } dr; |
47 | } route; |
48 | } __packed; |
49 | |
50 | |
51 | /* Subnet management attributes */ |
52 | /* ... */ |
53 | #define OPA_ATTRIB_ID_NODE_DESCRIPTION cpu_to_be16(0x0010) |
54 | #define OPA_ATTRIB_ID_NODE_INFO cpu_to_be16(0x0011) |
55 | #define OPA_ATTRIB_ID_PORT_INFO cpu_to_be16(0x0015) |
56 | #define OPA_ATTRIB_ID_PARTITION_TABLE cpu_to_be16(0x0016) |
57 | #define OPA_ATTRIB_ID_SL_TO_SC_MAP cpu_to_be16(0x0017) |
58 | #define OPA_ATTRIB_ID_VL_ARBITRATION cpu_to_be16(0x0018) |
59 | #define OPA_ATTRIB_ID_SM_INFO cpu_to_be16(0x0020) |
60 | #define OPA_ATTRIB_ID_CABLE_INFO cpu_to_be16(0x0032) |
61 | #define OPA_ATTRIB_ID_AGGREGATE cpu_to_be16(0x0080) |
62 | #define OPA_ATTRIB_ID_SC_TO_SL_MAP cpu_to_be16(0x0082) |
63 | #define OPA_ATTRIB_ID_SC_TO_VLR_MAP cpu_to_be16(0x0083) |
64 | #define OPA_ATTRIB_ID_SC_TO_VLT_MAP cpu_to_be16(0x0084) |
65 | #define OPA_ATTRIB_ID_SC_TO_VLNT_MAP cpu_to_be16(0x0085) |
66 | /* ... */ |
67 | #define OPA_ATTRIB_ID_PORT_STATE_INFO cpu_to_be16(0x0087) |
68 | /* ... */ |
69 | #define OPA_ATTRIB_ID_BUFFER_CONTROL_TABLE cpu_to_be16(0x008A) |
70 | /* ... */ |
71 | |
72 | struct opa_node_description { |
73 | u8 data[64]; |
74 | } __packed; |
75 | |
76 | struct opa_node_info { |
77 | u8 base_version; |
78 | u8 class_version; |
79 | u8 node_type; |
80 | u8 num_ports; |
81 | __be32 reserved; |
82 | __be64 system_image_guid; |
83 | __be64 node_guid; |
84 | __be64 port_guid; |
85 | __be16 partition_cap; |
86 | __be16 device_id; |
87 | __be32 revision; |
88 | u8 local_port_num; |
89 | u8 vendor_id[3]; /* network byte order */ |
90 | } __packed; |
91 | |
92 | #define OPA_PARTITION_TABLE_BLK_SIZE 32 |
93 | |
94 | static inline u8 |
95 | opa_get_smp_direction(struct opa_smp *smp) |
96 | { |
97 | return ib_get_smp_direction(smp: (struct ib_smp *)smp); |
98 | } |
99 | |
100 | static inline u8 *opa_get_smp_data(struct opa_smp *smp) |
101 | { |
102 | if (smp->mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE) |
103 | return smp->route.dr.data; |
104 | |
105 | return smp->route.lid.data; |
106 | } |
107 | |
108 | static inline size_t opa_get_smp_data_size(struct opa_smp *smp) |
109 | { |
110 | if (smp->mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE) |
111 | return sizeof(smp->route.dr.data); |
112 | |
113 | return sizeof(smp->route.lid.data); |
114 | } |
115 | |
116 | static inline size_t (struct opa_smp *smp) |
117 | { |
118 | if (smp->mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE) |
119 | return sizeof(*smp) - sizeof(smp->route.dr.data); |
120 | |
121 | return sizeof(*smp) - sizeof(smp->route.lid.data); |
122 | } |
123 | |
124 | #endif /* OPA_SMI_H */ |
125 | |