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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * Copyright (c) 2004 Mellanox Technologies Ltd. All rights reserved.
3 * Copyright (c) 2004 Infinicon Corporation. All rights reserved.
4 * Copyright (c) 2004 Intel Corporation. All rights reserved.
5 * Copyright (c) 2004 Topspin Corporation. All rights reserved.
6 * Copyright (c) 2004 Voltaire Corporation. All rights reserved.
7 *
8 * This software is available to you under a choice of one of two
9 * licenses. You may choose to be licensed under the terms of the GNU
10 * General Public License (GPL) Version 2, available from the file
11 * COPYING in the main directory of this source tree, or the
12 * OpenIB.org BSD license below:
13 *
14 * Redistribution and use in source and binary forms, with or
15 * without modification, are permitted provided that the following
16 * conditions are met:
17 *
18 * - Redistributions of source code must retain the above
19 * copyright notice, this list of conditions and the following
20 * disclaimer.
21 *
22 * - Redistributions in binary form must reproduce the above
23 * copyright notice, this list of conditions and the following
24 * disclaimer in the documentation and/or other materials
25 * provided with the distribution.
26 *
27 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
28 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
29 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
30 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
31 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
32 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
33 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
34 * SOFTWARE.
Linus Torvalds1da177e2005-04-16 15:20:36 -070035 */
36
Dotan Barak4deccd62008-07-14 23:48:44 -070037#if !defined(IB_SMI_H)
Linus Torvalds1da177e2005-04-16 15:20:36 -070038#define IB_SMI_H
39
Roland Dreiera4d61e82005-08-25 13:40:04 -070040#include <rdma/ib_mad.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070041
Linus Torvalds1da177e2005-04-16 15:20:36 -070042#define IB_SMP_DATA_SIZE 64
43#define IB_SMP_MAX_PATH_HOPS 64
44
45struct ib_smp {
46 u8 base_version;
47 u8 mgmt_class;
48 u8 class_version;
49 u8 method;
Sean Hefty97f52eb2005-08-13 21:05:57 -070050 __be16 status;
Linus Torvalds1da177e2005-04-16 15:20:36 -070051 u8 hop_ptr;
52 u8 hop_cnt;
Sean Hefty97f52eb2005-08-13 21:05:57 -070053 __be64 tid;
54 __be16 attr_id;
55 __be16 resv;
56 __be32 attr_mod;
57 __be64 mkey;
58 __be16 dr_slid;
59 __be16 dr_dlid;
Linus Torvalds1da177e2005-04-16 15:20:36 -070060 u8 reserved[28];
61 u8 data[IB_SMP_DATA_SIZE];
62 u8 initial_path[IB_SMP_MAX_PATH_HOPS];
63 u8 return_path[IB_SMP_MAX_PATH_HOPS];
64} __attribute__ ((packed));
65
66#define IB_SMP_DIRECTION __constant_htons(0x8000)
67
68/* Subnet management attributes */
69#define IB_SMP_ATTR_NOTICE __constant_htons(0x0002)
70#define IB_SMP_ATTR_NODE_DESC __constant_htons(0x0010)
71#define IB_SMP_ATTR_NODE_INFO __constant_htons(0x0011)
72#define IB_SMP_ATTR_SWITCH_INFO __constant_htons(0x0012)
73#define IB_SMP_ATTR_GUID_INFO __constant_htons(0x0014)
74#define IB_SMP_ATTR_PORT_INFO __constant_htons(0x0015)
75#define IB_SMP_ATTR_PKEY_TABLE __constant_htons(0x0016)
76#define IB_SMP_ATTR_SL_TO_VL_TABLE __constant_htons(0x0017)
77#define IB_SMP_ATTR_VL_ARB_TABLE __constant_htons(0x0018)
78#define IB_SMP_ATTR_LINEAR_FORWARD_TABLE __constant_htons(0x0019)
79#define IB_SMP_ATTR_RANDOM_FORWARD_TABLE __constant_htons(0x001A)
80#define IB_SMP_ATTR_MCAST_FORWARD_TABLE __constant_htons(0x001B)
81#define IB_SMP_ATTR_SM_INFO __constant_htons(0x0020)
82#define IB_SMP_ATTR_VENDOR_DIAG __constant_htons(0x0030)
83#define IB_SMP_ATTR_LED_INFO __constant_htons(0x0031)
84#define IB_SMP_ATTR_VENDOR_MASK __constant_htons(0xFF00)
85
Leonid Arshda2ab622006-06-17 20:37:36 -070086struct ib_port_info {
87 __be64 mkey;
88 __be64 gid_prefix;
89 __be16 lid;
90 __be16 sm_lid;
91 __be32 cap_mask;
92 __be16 diag_code;
93 __be16 mkey_lease_period;
94 u8 local_port_num;
95 u8 link_width_enabled;
96 u8 link_width_supported;
97 u8 link_width_active;
98 u8 linkspeed_portstate; /* 4 bits, 4 bits */
99 u8 portphysstate_linkdown; /* 4 bits, 4 bits */
100 u8 mkeyprot_resv_lmc; /* 2 bits, 3, 3 */
101 u8 linkspeedactive_enabled; /* 4 bits, 4 bits */
102 u8 neighbormtu_mastersmsl; /* 4 bits, 4 bits */
103 u8 vlcap_inittype; /* 4 bits, 4 bits */
104 u8 vl_high_limit;
105 u8 vl_arb_high_cap;
106 u8 vl_arb_low_cap;
107 u8 inittypereply_mtucap; /* 4 bits, 4 bits */
108 u8 vlstallcnt_hoqlife; /* 3 bits, 5 bits */
109 u8 operationalvl_pei_peo_fpi_fpo; /* 4 bits, 1, 1, 1, 1 */
110 __be16 mkey_violations;
111 __be16 pkey_violations;
112 __be16 qkey_violations;
113 u8 guid_cap;
114 u8 clientrereg_resv_subnetto; /* 1 bit, 2 bits, 5 */
115 u8 resv_resptimevalue; /* 3 bits, 5 bits */
116 u8 localphyerrors_overrunerrors; /* 4 bits, 4 bits */
117 __be16 max_credit_hint;
118 u8 resv;
119 u8 link_roundtrip_latency[3];
120};
121
Linus Torvalds1da177e2005-04-16 15:20:36 -0700122static inline u8
123ib_get_smp_direction(struct ib_smp *smp)
124{
125 return ((smp->status & IB_SMP_DIRECTION) == IB_SMP_DIRECTION);
126}
127
128#endif /* IB_SMI_H */