aboutsummaryrefslogtreecommitdiffstats
path: root/include/rdma/ib_smi.h
blob: f29af135ba833c841926e33b6d9bac0de42693e9 (plain) (blame)
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
/*
 * Copyright (c) 2004 Mellanox Technologies Ltd.  All rights reserved.
 * Copyright (c) 2004 Infinicon Corporation.  All rights reserved.
 * Copyright (c) 2004 Intel Corporation.  All rights reserved.
 * Copyright (c) 2004 Topspin Corporation.  All rights reserved.
 * Copyright (c) 2004 Voltaire 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.
 *
 * $Id: ib_smi.h 1389 2004-12-27 22:56:47Z roland $
 */

#if !defined( IB_SMI_H )
#define IB_SMI_H

#include <rdma/ib_mad.h>

#define IB_SMP_DATA_SIZE			64
#define IB_SMP_MAX_PATH_HOPS			64

struct ib_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;
	__be16	dr_slid;
	__be16	dr_dlid;
	u8	reserved[28];
	u8	data[IB_SMP_DATA_SIZE];
	u8	initial_path[IB_SMP_MAX_PATH_HOPS];
	u8	return_path[IB_SMP_MAX_PATH_HOPS];
} __attribute__ ((packed));

#define IB_SMP_DIRECTION			__constant_htons(0x8000)

/* Subnet management attributes */
#define IB_SMP_ATTR_NOTICE			__constant_htons(0x0002)
#define IB_SMP_ATTR_NODE_DESC			__constant_htons(0x0010)
#define IB_SMP_ATTR_NODE_INFO			__constant_htons(0x0011)
#define IB_SMP_ATTR_SWITCH_INFO			__constant_htons(0x0012)
#define IB_SMP_ATTR_GUID_INFO			__constant_htons(0x0014)
#define IB_SMP_ATTR_PORT_INFO			__constant_htons(0x0015)
#define IB_SMP_ATTR_PKEY_TABLE			__constant_htons(0x0016)
#define IB_SMP_ATTR_SL_TO_VL_TABLE		__constant_htons(0x0017)
#define IB_SMP_ATTR_VL_ARB_TABLE		__constant_htons(0x0018)
#define IB_SMP_ATTR_LINEAR_FORWARD_TABLE	__constant_htons(0x0019)
#define IB_SMP_ATTR_RANDOM_FORWARD_TABLE	__constant_htons(0x001A)
#define IB_SMP_ATTR_MCAST_FORWARD_TABLE		__constant_htons(0x001B)
#define IB_SMP_ATTR_SM_INFO			__constant_htons(0x0020)
#define IB_SMP_ATTR_VENDOR_DIAG			__constant_htons(0x0030)
#define IB_SMP_ATTR_LED_INFO			__constant_htons(0x0031)
#define IB_SMP_ATTR_VENDOR_MASK			__constant_htons(0xFF00)

struct ib_port_info {
	__be64 mkey;
	__be64 gid_prefix;
	__be16 lid;
	__be16 sm_lid;
	__be32 cap_mask;
	__be16 diag_code;
	__be16 mkey_lease_period;
	u8 local_port_num;
	u8 link_width_enabled;
	u8 link_width_supported;
	u8 link_width_active;
	u8 linkspeed_portstate;			/* 4 bits, 4 bits */
	u8 portphysstate_linkdown;		/* 4 bits, 4 bits */
	u8 mkeyprot_resv_lmc;			/* 2 bits, 3, 3 */
	u8 linkspeedactive_enabled;		/* 4 bits, 4 bits */
	u8 neighbormtu_mastersmsl;		/* 4 bits, 4 bits */
	u8 vlcap_inittype;			/* 4 bits, 4 bits */
	u8 vl_high_limit;
	u8 vl_arb_high_cap;
	u8 vl_arb_low_cap;
	u8 inittypereply_mtucap;		/* 4 bits, 4 bits */
	u8 vlstallcnt_hoqlife;			/* 3 bits, 5 bits */
	u8 operationalvl_pei_peo_fpi_fpo;	/* 4 bits, 1, 1, 1, 1 */
	__be16 mkey_violations;
	__be16 pkey_violations;
	__be16 qkey_violations;
	u8 guid_cap;
	u8 clientrereg_resv_subnetto;		/* 1 bit, 2 bits, 5 */
	u8 resv_resptimevalue;			/* 3 bits, 5 bits */
	u8 localphyerrors_overrunerrors;	/* 4 bits, 4 bits */
	__be16 max_credit_hint;
	u8 resv;
	u8 link_roundtrip_latency[3];
};

static inline u8
ib_get_smp_direction(struct ib_smp *smp)
{
	return ((smp->status & IB_SMP_DIRECTION) == IB_SMP_DIRECTION);
}

#endif /* IB_SMI_H */