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gerrit-public.fairphone.software / kernel / msm-4.9 / 0b25e9fa01fc9ed333d266172128ba37d44cd7be / . / include / rdma / opa_smi.h
blob: 4a529ef479951b1a8726f5f52fcc82216a6e514e [file] [log] [blame]
Ira Weinyf28990b2015-06-06 14:38:34 -0400[diff] [blame]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
Dennis Dalessandrod4ab3472015-07-30 15:17:32 -0400[diff] [blame]43#define OPA_MAX_VLS 32
44#define OPA_MAX_SLS 32
45#define OPA_MAX_SCS 32
46
Ira Weinyf28990b2015-06-06 14:38:34 -0400[diff] [blame]47#define OPA_SMI_CLASS_VERSION 0x80
48
49#define OPA_LID_PERMISSIVE cpu_to_be32(0xFFFFFFFF)
50
51struct opa_smp {
52 u8 base_version;
53 u8 mgmt_class;
54 u8 class_version;
55 u8 method;
56 __be16 status;
57 u8 hop_ptr;
58 u8 hop_cnt;
59 __be64 tid;
60 __be16 attr_id;
61 __be16 resv;
62 __be32 attr_mod;
63 __be64 mkey;
64 union {
65 struct {
66 uint8_t data[OPA_SMP_LID_DATA_SIZE];
67 } lid;
68 struct {
69 __be32 dr_slid;
70 __be32 dr_dlid;
71 u8 initial_path[OPA_SMP_MAX_PATH_HOPS];
72 u8 return_path[OPA_SMP_MAX_PATH_HOPS];
73 u8 reserved[8];
74 u8 data[OPA_SMP_DR_DATA_SIZE];
75 } dr;
76 } route;
77} __packed;
78
79
Dennis Dalessandrod4ab3472015-07-30 15:17:32 -0400[diff] [blame]80/* Subnet management attributes */
81/* ... */
82#define OPA_ATTRIB_ID_NODE_DESCRIPTION cpu_to_be16(0x0010)
83#define OPA_ATTRIB_ID_NODE_INFO cpu_to_be16(0x0011)
84#define OPA_ATTRIB_ID_PORT_INFO cpu_to_be16(0x0015)
85#define OPA_ATTRIB_ID_PARTITION_TABLE cpu_to_be16(0x0016)
86#define OPA_ATTRIB_ID_SL_TO_SC_MAP cpu_to_be16(0x0017)
87#define OPA_ATTRIB_ID_VL_ARBITRATION cpu_to_be16(0x0018)
88#define OPA_ATTRIB_ID_SM_INFO cpu_to_be16(0x0020)
89#define OPA_ATTRIB_ID_CABLE_INFO cpu_to_be16(0x0032)
90#define OPA_ATTRIB_ID_AGGREGATE cpu_to_be16(0x0080)
91#define OPA_ATTRIB_ID_SC_TO_SL_MAP cpu_to_be16(0x0082)
92#define OPA_ATTRIB_ID_SC_TO_VLR_MAP cpu_to_be16(0x0083)
93#define OPA_ATTRIB_ID_SC_TO_VLT_MAP cpu_to_be16(0x0084)
94#define OPA_ATTRIB_ID_SC_TO_VLNT_MAP cpu_to_be16(0x0085)
95/* ... */
96#define OPA_ATTRIB_ID_PORT_STATE_INFO cpu_to_be16(0x0087)
97/* ... */
98#define OPA_ATTRIB_ID_BUFFER_CONTROL_TABLE cpu_to_be16(0x008A)
99/* ... */
100
101struct opa_node_description {
102 u8 data[64];
103} __attribute__ ((packed));
104
105struct opa_node_info {
106 u8 base_version;
107 u8 class_version;
108 u8 node_type;
109 u8 num_ports;
110 __be32 reserved;
111 __be64 system_image_guid;
112 __be64 node_guid;
113 __be64 port_guid;
114 __be16 partition_cap;
115 __be16 device_id;
116 __be32 revision;
117 u8 local_port_num;
118 u8 vendor_id[3]; /* network byte order */
119} __attribute__ ((packed));
120
121#define OPA_PARTITION_TABLE_BLK_SIZE 32
122
Ira Weinyf28990b2015-06-06 14:38:34 -0400[diff] [blame]123static inline u8
124opa_get_smp_direction(struct opa_smp *smp)
125{
126 return ib_get_smp_direction((struct ib_smp *)smp);
127}
128
129static inline u8 *opa_get_smp_data(struct opa_smp *smp)
130{
131 if (smp->mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE)
132 return smp->route.dr.data;
133
134 return smp->route.lid.data;
135}
136
137static inline size_t opa_get_smp_data_size(struct opa_smp *smp)
138{
139 if (smp->mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE)
140 return sizeof(smp->route.dr.data);
141
142 return sizeof(smp->route.lid.data);
143}
144
145static inline size_t opa_get_smp_header_size(struct opa_smp *smp)
146{
147 if (smp->mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE)
148 return sizeof(*smp) - sizeof(smp->route.dr.data);
149
150 return sizeof(*smp) - sizeof(smp->route.lid.data);
151}
152
153#endif /* OPA_SMI_H */