ib_smi.h revision 219820
1259210Sjmmv/*
2259210Sjmmv * Copyright (c) 2004 Mellanox Technologies Ltd.  All rights reserved.
3269902Sngie * Copyright (c) 2004 Infinicon Corporation.  All rights reserved.
4259210Sjmmv * Copyright (c) 2004 Intel Corporation.  All rights reserved.
5269902Sngie * Copyright (c) 2004 Topspin Corporation.  All rights reserved.
6269902Sngie * Copyright (c) 2004 Voltaire Corporation.  All rights reserved.
7259210Sjmmv *
8269902Sngie * This software is available to you under a choice of one of two
9269902Sngie * licenses.  You may choose to be licensed under the terms of the GNU
10259210Sjmmv * General Public License (GPL) Version 2, available from the file
11259210Sjmmv * COPYING in the main directory of this source tree, or the
12259210Sjmmv * OpenIB.org BSD license below:
13259210Sjmmv *
14259210Sjmmv *     Redistribution and use in source and binary forms, with or
15259210Sjmmv *     without modification, are permitted provided that the following
16259210Sjmmv *     conditions are met:
17259210Sjmmv *
18259210Sjmmv *      - Redistributions of source code must retain the above
19259210Sjmmv *        copyright notice, this list of conditions and the following
20259210Sjmmv *        disclaimer.
21259210Sjmmv *
22259210Sjmmv *      - Redistributions in binary form must reproduce the above
23259210Sjmmv *        copyright notice, this list of conditions and the following
24259210Sjmmv *        disclaimer in the documentation and/or other materials
25259210Sjmmv *        provided with the distribution.
26259210Sjmmv *
27259210Sjmmv * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
28259210Sjmmv * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
29259210Sjmmv * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
30259210Sjmmv * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
31259210Sjmmv * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
32259210Sjmmv * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
33259210Sjmmv * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
34259210Sjmmv * SOFTWARE.
35259210Sjmmv */
36259210Sjmmv
37259210Sjmmv#if !defined(IB_SMI_H)
38259210Sjmmv#define IB_SMI_H
39259210Sjmmv
40259210Sjmmv#include <rdma/ib_mad.h>
41259210Sjmmv
42259210Sjmmv#define IB_SMP_DATA_SIZE			64
43259210Sjmmv#define IB_SMP_MAX_PATH_HOPS			64
44259210Sjmmv
45259210Sjmmvstruct ib_smp {
46259210Sjmmv	u8	base_version;
47259210Sjmmv	u8	mgmt_class;
48259210Sjmmv	u8	class_version;
49259210Sjmmv	u8	method;
50259210Sjmmv	__be16	status;
51259210Sjmmv	u8	hop_ptr;
52259210Sjmmv	u8	hop_cnt;
53259210Sjmmv	__be64	tid;
54259210Sjmmv	__be16	attr_id;
55259210Sjmmv	__be16	resv;
56	__be32	attr_mod;
57	__be64	mkey;
58	__be16	dr_slid;
59	__be16	dr_dlid;
60	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			cpu_to_be16(0x8000)
67
68/* Subnet management attributes */
69#define IB_SMP_ATTR_NOTICE			cpu_to_be16(0x0002)
70#define IB_SMP_ATTR_NODE_DESC			cpu_to_be16(0x0010)
71#define IB_SMP_ATTR_NODE_INFO			cpu_to_be16(0x0011)
72#define IB_SMP_ATTR_SWITCH_INFO			cpu_to_be16(0x0012)
73#define IB_SMP_ATTR_GUID_INFO			cpu_to_be16(0x0014)
74#define IB_SMP_ATTR_PORT_INFO			cpu_to_be16(0x0015)
75#define IB_SMP_ATTR_PKEY_TABLE			cpu_to_be16(0x0016)
76#define IB_SMP_ATTR_SL_TO_VL_TABLE		cpu_to_be16(0x0017)
77#define IB_SMP_ATTR_VL_ARB_TABLE		cpu_to_be16(0x0018)
78#define IB_SMP_ATTR_LINEAR_FORWARD_TABLE	cpu_to_be16(0x0019)
79#define IB_SMP_ATTR_RANDOM_FORWARD_TABLE	cpu_to_be16(0x001A)
80#define IB_SMP_ATTR_MCAST_FORWARD_TABLE		cpu_to_be16(0x001B)
81#define IB_SMP_ATTR_SM_INFO			cpu_to_be16(0x0020)
82#define IB_SMP_ATTR_VENDOR_DIAG			cpu_to_be16(0x0030)
83#define IB_SMP_ATTR_LED_INFO			cpu_to_be16(0x0031)
84#define IB_SMP_ATTR_VENDOR_MASK			cpu_to_be16(0xFF00)
85
86struct 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
122static 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 */
129