1/*
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,v 1.1.1.1 2007/08/03 18:53:46 Exp $
37 */
38
39#if !defined(IB_SMI_H)
40#define IB_SMI_H
41
42#include <rdma/ib_mad.h>
43
44#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;
52	__be16	status;
53	u8	hop_ptr;
54	u8	hop_cnt;
55	__be64	tid;
56	__be16	attr_id;
57	__be16	resv;
58	__be32	attr_mod;
59	__be64	mkey;
60	__be16	dr_slid;
61	__be16	dr_dlid;
62	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
88struct 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
124static 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 */
131