1 /*
2 * Copyright (c) 2014 Intel Corporation. All rights reserved.
3 *
4 * This software is available to you under a choice of one of two
5 * licenses. You may choose to be licensed under the terms of the GNU
6 * General Public License (GPL) Version 2, available from the file
7 * COPYING in the main directory of this source tree, or the
8 * OpenIB.org BSD license below:
9 *
10 * Redistribution and use in source and binary forms, with or
11 * without modification, are permitted provided that the following
12 * conditions are met:
13 *
14 * - Redistributions of source code must retain the above
15 * copyright notice, this list of conditions and the following
16 * disclaimer.
17 *
18 * - Redistributions in binary form must reproduce the above
19 * copyright notice, this list of conditions and the following
20 * disclaimer in the documentation and/or other materials
21 * provided with the distribution.
22 *
23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
30 * SOFTWARE.
31 */
32
33 #if !defined(OPA_SMI_H)
34 #define OPA_SMI_H
35
36 #include <rdma/ib_mad.h>
37 #include <rdma/ib_smi.h>
38
39 #define OPA_SMP_LID_DATA_SIZE 2016
40 #define OPA_SMP_DR_DATA_SIZE 1872
41 #define OPA_SMP_MAX_PATH_HOPS 64
42
43 #define OPA_MAX_VLS 32
44 #define OPA_MAX_SLS 32
45 #define OPA_MAX_SCS 32
46
47 #define OPA_LID_PERMISSIVE cpu_to_be32(0xFFFFFFFF)
48
49 struct opa_smp {
50 u8 base_version;
51 u8 mgmt_class;
52 u8 class_version;
53 u8 method;
54 __be16 status;
55 u8 hop_ptr;
56 u8 hop_cnt;
57 __be64 tid;
58 __be16 attr_id;
59 __be16 resv;
60 __be32 attr_mod;
61 __be64 mkey;
62 union {
63 struct {
64 uint8_t data[OPA_SMP_LID_DATA_SIZE];
65 } lid;
66 struct {
67 __be32 dr_slid;
68 __be32 dr_dlid;
69 u8 initial_path[OPA_SMP_MAX_PATH_HOPS];
70 u8 return_path[OPA_SMP_MAX_PATH_HOPS];
71 u8 reserved[8];
72 u8 data[OPA_SMP_DR_DATA_SIZE];
73 } dr;
74 } route;
75 } __packed;
76
77
78 /* Subnet management attributes */
79 /* ... */
80 #define OPA_ATTRIB_ID_NODE_DESCRIPTION cpu_to_be16(0x0010)
81 #define OPA_ATTRIB_ID_NODE_INFO cpu_to_be16(0x0011)
82 #define OPA_ATTRIB_ID_PORT_INFO cpu_to_be16(0x0015)
83 #define OPA_ATTRIB_ID_PARTITION_TABLE cpu_to_be16(0x0016)
84 #define OPA_ATTRIB_ID_SL_TO_SC_MAP cpu_to_be16(0x0017)
85 #define OPA_ATTRIB_ID_VL_ARBITRATION cpu_to_be16(0x0018)
86 #define OPA_ATTRIB_ID_SM_INFO cpu_to_be16(0x0020)
87 #define OPA_ATTRIB_ID_CABLE_INFO cpu_to_be16(0x0032)
88 #define OPA_ATTRIB_ID_AGGREGATE cpu_to_be16(0x0080)
89 #define OPA_ATTRIB_ID_SC_TO_SL_MAP cpu_to_be16(0x0082)
90 #define OPA_ATTRIB_ID_SC_TO_VLR_MAP cpu_to_be16(0x0083)
91 #define OPA_ATTRIB_ID_SC_TO_VLT_MAP cpu_to_be16(0x0084)
92 #define OPA_ATTRIB_ID_SC_TO_VLNT_MAP cpu_to_be16(0x0085)
93 /* ... */
94 #define OPA_ATTRIB_ID_PORT_STATE_INFO cpu_to_be16(0x0087)
95 /* ... */
96 #define OPA_ATTRIB_ID_BUFFER_CONTROL_TABLE cpu_to_be16(0x008A)
97 /* ... */
98
99 struct opa_node_description {
100 u8 data[64];
101 } __packed;
102
103 struct opa_node_info {
104 u8 base_version;
105 u8 class_version;
106 u8 node_type;
107 u8 num_ports;
108 __be32 reserved;
109 __be64 system_image_guid;
110 __be64 node_guid;
111 __be64 port_guid;
112 __be16 partition_cap;
113 __be16 device_id;
114 __be32 revision;
115 u8 local_port_num;
116 u8 vendor_id[3]; /* network byte order */
117 } __packed;
118
119 #define OPA_PARTITION_TABLE_BLK_SIZE 32
120
121 static inline u8
opa_get_smp_direction(struct opa_smp * smp)122 opa_get_smp_direction(struct opa_smp *smp)
123 {
124 return ib_get_smp_direction((struct ib_smp *)smp);
125 }
126
opa_get_smp_data(struct opa_smp * smp)127 static inline u8 *opa_get_smp_data(struct opa_smp *smp)
128 {
129 if (smp->mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE)
130 return smp->route.dr.data;
131
132 return smp->route.lid.data;
133 }
134
opa_get_smp_data_size(struct opa_smp * smp)135 static inline size_t opa_get_smp_data_size(struct opa_smp *smp)
136 {
137 if (smp->mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE)
138 return sizeof(smp->route.dr.data);
139
140 return sizeof(smp->route.lid.data);
141 }
142
opa_get_smp_header_size(struct opa_smp * smp)143 static inline size_t opa_get_smp_header_size(struct opa_smp *smp)
144 {
145 if (smp->mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE)
146 return sizeof(*smp) - sizeof(smp->route.dr.data);
147
148 return sizeof(*smp) - sizeof(smp->route.lid.data);
149 }
150
151 #endif /* OPA_SMI_H */
152