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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.
35 *
36 * $Id: ib_smi.h 1389 2004-12-27 22:56:47Z roland $
37 */
38
39#if !defined( IB_SMI_H )
40#define IB_SMI_H
41
Roland Dreiera4d61e82005-08-25 13:40:04 -070042#include <rdma/ib_mad.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070043
Linus Torvalds1da177e2005-04-16 15:20:36 -070044#define IB_SMP_DATA_SIZE 64
45#define IB_SMP_MAX_PATH_HOPS 64
46
47struct ib_smp {
48 u8 base_version;
49 u8 mgmt_class;
50 u8 class_version;
51 u8 method;
Sean Hefty97f52eb2005-08-13 21:05:57 -070052 __be16 status;
Linus Torvalds1da177e2005-04-16 15:20:36 -070053 u8 hop_ptr;
54 u8 hop_cnt;
Sean Hefty97f52eb2005-08-13 21:05:57 -070055 __be64 tid;
56 __be16 attr_id;
57 __be16 resv;
58 __be32 attr_mod;
59 __be64 mkey;
60 __be16 dr_slid;
61 __be16 dr_dlid;
Linus Torvalds1da177e2005-04-16 15:20:36 -070062 u8 reserved[28];
63 u8 data[IB_SMP_DATA_SIZE];
64 u8 initial_path[IB_SMP_MAX_PATH_HOPS];
65 u8 return_path[IB_SMP_MAX_PATH_HOPS];
66} __attribute__ ((packed));
67
68#define IB_SMP_DIRECTION __constant_htons(0x8000)
69
70/* Subnet management attributes */
71#define IB_SMP_ATTR_NOTICE __constant_htons(0x0002)
72#define IB_SMP_ATTR_NODE_DESC __constant_htons(0x0010)
73#define IB_SMP_ATTR_NODE_INFO __constant_htons(0x0011)
74#define IB_SMP_ATTR_SWITCH_INFO __constant_htons(0x0012)
75#define IB_SMP_ATTR_GUID_INFO __constant_htons(0x0014)
76#define IB_SMP_ATTR_PORT_INFO __constant_htons(0x0015)
77#define IB_SMP_ATTR_PKEY_TABLE __constant_htons(0x0016)
78#define IB_SMP_ATTR_SL_TO_VL_TABLE __constant_htons(0x0017)
79#define IB_SMP_ATTR_VL_ARB_TABLE __constant_htons(0x0018)
80#define IB_SMP_ATTR_LINEAR_FORWARD_TABLE __constant_htons(0x0019)
81#define IB_SMP_ATTR_RANDOM_FORWARD_TABLE __constant_htons(0x001A)
82#define IB_SMP_ATTR_MCAST_FORWARD_TABLE __constant_htons(0x001B)
83#define IB_SMP_ATTR_SM_INFO __constant_htons(0x0020)
84#define IB_SMP_ATTR_VENDOR_DIAG __constant_htons(0x0030)
85#define IB_SMP_ATTR_LED_INFO __constant_htons(0x0031)
86#define IB_SMP_ATTR_VENDOR_MASK __constant_htons(0xFF00)
87
Leonid Arshda2ab622006-06-17 20:37:36 -070088struct ib_port_info {
89 __be64 mkey;
90 __be64 gid_prefix;
91 __be16 lid;
92 __be16 sm_lid;
93 __be32 cap_mask;
94 __be16 diag_code;
95 __be16 mkey_lease_period;
96 u8 local_port_num;
97 u8 link_width_enabled;
98 u8 link_width_supported;
99 u8 link_width_active;
100 u8 linkspeed_portstate; /* 4 bits, 4 bits */
101 u8 portphysstate_linkdown; /* 4 bits, 4 bits */
102 u8 mkeyprot_resv_lmc; /* 2 bits, 3, 3 */
103 u8 linkspeedactive_enabled; /* 4 bits, 4 bits */
104 u8 neighbormtu_mastersmsl; /* 4 bits, 4 bits */
105 u8 vlcap_inittype; /* 4 bits, 4 bits */
106 u8 vl_high_limit;
107 u8 vl_arb_high_cap;
108 u8 vl_arb_low_cap;
109 u8 inittypereply_mtucap; /* 4 bits, 4 bits */
110 u8 vlstallcnt_hoqlife; /* 3 bits, 5 bits */
111 u8 operationalvl_pei_peo_fpi_fpo; /* 4 bits, 1, 1, 1, 1 */
112 __be16 mkey_violations;
113 __be16 pkey_violations;
114 __be16 qkey_violations;
115 u8 guid_cap;
116 u8 clientrereg_resv_subnetto; /* 1 bit, 2 bits, 5 */
117 u8 resv_resptimevalue; /* 3 bits, 5 bits */
118 u8 localphyerrors_overrunerrors; /* 4 bits, 4 bits */
119 __be16 max_credit_hint;
120 u8 resv;
121 u8 link_roundtrip_latency[3];
122};
123
Linus Torvalds1da177e2005-04-16 15:20:36 -0700124static inline u8
125ib_get_smp_direction(struct ib_smp *smp)
126{
127 return ((smp->status & IB_SMP_DIRECTION) == IB_SMP_DIRECTION);
128}
129
130#endif /* IB_SMI_H */