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6bf9d8f6 | 1 | /* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ |
f28990bc IW |
2 | /* |
3 | * Copyright (c) 2014 Intel Corporation. All rights reserved. | |
f28990bc IW |
4 | */ |
5 | ||
6bf9d8f6 | 6 | #ifndef OPA_SMI_H |
f28990bc IW |
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 | ||
d4ab3470 DD |
16 | #define OPA_MAX_VLS 32 |
17 | #define OPA_MAX_SLS 32 | |
18 | #define OPA_MAX_SCS 32 | |
19 | ||
f28990bc IW |
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 | ||
d4ab3470 DD |
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]; | |
19b1a294 | 74 | } __packed; |
d4ab3470 DD |
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 */ | |
19b1a294 | 90 | } __packed; |
d4ab3470 DD |
91 | |
92 | #define OPA_PARTITION_TABLE_BLK_SIZE 32 | |
93 | ||
f28990bc IW |
94 | static inline u8 |
95 | opa_get_smp_direction(struct opa_smp *smp) | |
96 | { | |
97 | return ib_get_smp_direction((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 opa_get_smp_header_size(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 */ |