summaryrefslogtreecommitdiff
path: root/include/rdma/opa_smi.h
blob: f7896117936e67bcc0f368f4edbdc39e17893cac (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
/*
 * Copyright (c) 2014 Intel Corporation.  All rights reserved.
 *
 * This software is available to you under a choice of one of two
 * licenses.  You may choose to be licensed under the terms of the GNU
 * General Public License (GPL) Version 2, available from the file
 * COPYING in the main directory of this source tree, or the
 * OpenIB.org BSD license below:
 *
 *     Redistribution and use in source and binary forms, with or
 *     without modification, are permitted provided that the following
 *     conditions are met:
 *
 *      - Redistributions of source code must retain the above
 *        copyright notice, this list of conditions and the following
 *        disclaimer.
 *
 *      - Redistributions in binary form must reproduce the above
 *        copyright notice, this list of conditions and the following
 *        disclaimer in the documentation and/or other materials
 *        provided with the distribution.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

#if !defined(OPA_SMI_H)
#define OPA_SMI_H

#include <rdma/ib_mad.h>
#include <rdma/ib_smi.h>

#define OPA_SMP_LID_DATA_SIZE			2016
#define OPA_SMP_DR_DATA_SIZE			1872
#define OPA_SMP_MAX_PATH_HOPS			64

#define OPA_MAX_VLS				32
#define OPA_MAX_SLS				32
#define OPA_MAX_SCS				32

#define OPA_LID_PERMISSIVE			cpu_to_be32(0xFFFFFFFF)

struct opa_smp {
	u8	base_version;
	u8	mgmt_class;
	u8	class_version;
	u8	method;
	__be16	status;
	u8	hop_ptr;
	u8	hop_cnt;
	__be64	tid;
	__be16	attr_id;
	__be16	resv;
	__be32	attr_mod;
	__be64	mkey;
	union {
		struct {
			uint8_t data[OPA_SMP_LID_DATA_SIZE];
		} lid;
		struct {
			__be32	dr_slid;
			__be32	dr_dlid;
			u8	initial_path[OPA_SMP_MAX_PATH_HOPS];
			u8	return_path[OPA_SMP_MAX_PATH_HOPS];
			u8	reserved[8];
			u8	data[OPA_SMP_DR_DATA_SIZE];
		} dr;
	} route;
} __packed;


/* Subnet management attributes */
/* ... */
#define OPA_ATTRIB_ID_NODE_DESCRIPTION		cpu_to_be16(0x0010)
#define OPA_ATTRIB_ID_NODE_INFO			cpu_to_be16(0x0011)
#define OPA_ATTRIB_ID_PORT_INFO			cpu_to_be16(0x0015)
#define OPA_ATTRIB_ID_PARTITION_TABLE		cpu_to_be16(0x0016)
#define OPA_ATTRIB_ID_SL_TO_SC_MAP		cpu_to_be16(0x0017)
#define OPA_ATTRIB_ID_VL_ARBITRATION		cpu_to_be16(0x0018)
#define OPA_ATTRIB_ID_SM_INFO			cpu_to_be16(0x0020)
#define OPA_ATTRIB_ID_CABLE_INFO		cpu_to_be16(0x0032)
#define OPA_ATTRIB_ID_AGGREGATE			cpu_to_be16(0x0080)
#define OPA_ATTRIB_ID_SC_TO_SL_MAP		cpu_to_be16(0x0082)
#define OPA_ATTRIB_ID_SC_TO_VLR_MAP		cpu_to_be16(0x0083)
#define OPA_ATTRIB_ID_SC_TO_VLT_MAP		cpu_to_be16(0x0084)
#define OPA_ATTRIB_ID_SC_TO_VLNT_MAP		cpu_to_be16(0x0085)
/* ... */
#define OPA_ATTRIB_ID_PORT_STATE_INFO		cpu_to_be16(0x0087)
/* ... */
#define OPA_ATTRIB_ID_BUFFER_CONTROL_TABLE	cpu_to_be16(0x008A)
/* ... */

struct opa_node_description {
	u8 data[64];
} __attribute__ ((packed));

struct opa_node_info {
	u8      base_version;
	u8      class_version;
	u8      node_type;
	u8      num_ports;
	__be32  reserved;
	__be64  system_image_guid;
	__be64  node_guid;
	__be64  port_guid;
	__be16  partition_cap;
	__be16  device_id;
	__be32  revision;
	u8      local_port_num;
	u8      vendor_id[3];   /* network byte order */
} __attribute__ ((packed));

#define OPA_PARTITION_TABLE_BLK_SIZE 32

static inline u8
opa_get_smp_direction(struct opa_smp *smp)
{
	return ib_get_smp_direction((struct ib_smp *)smp);
}

static inline u8 *opa_get_smp_data(struct opa_smp *smp)
{
	if (smp->mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE)
		return smp->route.dr.data;

	return smp->route.lid.data;
}

static inline size_t opa_get_smp_data_size(struct opa_smp *smp)
{
	if (smp->mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE)
		return sizeof(smp->route.dr.data);

	return sizeof(smp->route.lid.data);
}

static inline size_t opa_get_smp_header_size(struct opa_smp *smp)
{
	if (smp->mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE)
		return sizeof(*smp) - sizeof(smp->route.dr.data);

	return sizeof(*smp) - sizeof(smp->route.lid.data);
}

#endif /* OPA_SMI_H */