1 /*
2  * Copyright (c) 2004-2008 Voltaire, Inc. All rights reserved.
3  * Copyright (c) 2002-2005 Mellanox Technologies LTD. All rights reserved.
4  * Copyright (c) 1996-2003 Intel Corporation. All rights reserved.
5  *
6  * This software is available to you under a choice of one of two
7  * licenses.  You may choose to be licensed under the terms of the GNU
8  * General Public License (GPL) Version 2, available from the file
9  * COPYING in the main directory of this source tree, or the
10  * OpenIB.org BSD license below:
11  *
12  *     Redistribution and use in source and binary forms, with or
13  *     without modification, are permitted provided that the following
14  *     conditions are met:
15  *
16  *      - Redistributions of source code must retain the above
17  *        copyright notice, this list of conditions and the following
18  *        disclaimer.
19  *
20  *      - Redistributions in binary form must reproduce the above
21  *        copyright notice, this list of conditions and the following
22  *        disclaimer in the documentation and/or other materials
23  *        provided with the distribution.
24  *
25  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
26  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
27  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
28  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
29  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
30  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
31  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
32  * SOFTWARE.
33  *
34  */
35 
36 #ifndef _OSM_VENDOR_UMAD_H_
37 #define _OSM_VENDOR_UMAD_H_
38 
39 #include <iba/ib_types.h>
40 #include <complib/cl_qlist.h>
41 #include <opensm/osm_base.h>
42 #include <opensm/osm_log.h>
43 
44 #include <infiniband/umad.h>
45 
46 #ifdef __cplusplus
47 #  define BEGIN_C_DECLS extern "C" {
48 #  define END_C_DECLS   }
49 #else				/* !__cplusplus */
50 #  define BEGIN_C_DECLS
51 #  define END_C_DECLS
52 #endif				/* __cplusplus */
53 
54 BEGIN_C_DECLS
55 /****h* OpenSM/Vendor Access Layer (UMAD)
56 * NAME
57 *	Vendor UMAD
58 *
59 * DESCRIPTION
60 *	This file is the vendor specific file for the UMAD Infiniband API.
61 *
62 * AUTHOR
63 *
64 *
65 *********/
66 #define OSM_DEFAULT_RETRY_COUNT 3
67 #define OSM_UMAD_MAX_CAS	UMAD_MAX_DEVICES
68 #define OSM_UMAD_MAX_PORTS_PER_CA	2
69 #define OSM_UMAD_MAX_AGENTS	32
70 
71 /****s* OpenSM: Vendor UMAD/osm_ca_info_t
72 * NAME
73 *   osm_ca_info_t
74 *
75 * DESCRIPTION
76 * 	Structure containing information about local Channel Adapters.
77 *
78 * SYNOPSIS
79 */
80 typedef struct _osm_ca_info {
81 	ib_net64_t guid;
82 	size_t attr_size;
83 	ib_ca_attr_t *p_attr;
84 } osm_ca_info_t;
85 /*
86 * FIELDS
87 *	guid
88 *		Node GUID of the local CA.
89 *
90 *	attr_size
91 *		Size of the CA attributes for this CA.
92 *
93 *	p_attr
94 *		Pointer to dynamicly allocated CA Attribute structure.
95 *
96 * SEE ALSO
97 *********/
98 
99 /****f* OpenSM: CA Info/osm_ca_info_get_num_ports
100 * NAME
101 *	osm_ca_info_get_num_ports
102 *
103 * DESCRIPTION
104 *	Returns the number of ports owned by this CA.
105 *
106 * SYNOPSIS
107 */
108 static inline uint8_t
osm_ca_info_get_num_ports(IN const osm_ca_info_t * const p_ca_info)109 osm_ca_info_get_num_ports(IN const osm_ca_info_t * const p_ca_info)
110 {
111 	return (p_ca_info->p_attr->num_ports);
112 }
113 
114 /*
115 * PARAMETERS
116 *	p_ca_info
117 *		[in] Pointer to a CA Info object.
118 *
119 * RETURN VUMADUE
120 *	Returns the number of ports owned by this CA.
121 *
122 * NOTES
123 *
124 * SEE ALSO
125 *********/
126 
127 /****s* OpenSM: Vendor UMAD/osm_bind_handle_t
128 * NAME
129 *   osm_bind_handle_t
130 *
131 * DESCRIPTION
132 * 	handle returned by the vendor transport bind call.
133 *
134 * SYNOPSIS
135 */
136 typedef void *osm_bind_handle_t;
137 /***********/
138 
139 typedef struct _umad_match {
140 	ib_net64_t tid;
141 	void *v;
142 	uint32_t version;
143 	uint8_t mgmt_class;
144 } umad_match_t;
145 
146 #define DEFAULT_OSM_UMAD_MAX_PENDING	1000
147 
148 typedef struct vendor_match_tbl {
149 	uint32_t last_version;
150 	int max;
151 	umad_match_t *tbl;
152 } vendor_match_tbl_t;
153 
154 typedef struct _osm_vendor {
155 	osm_log_t *p_log;
156 	uint32_t ca_count;
157 	osm_ca_info_t *p_ca_info;
158 	uint32_t timeout;
159 	int max_retries;
160 	osm_bind_handle_t agents[OSM_UMAD_MAX_AGENTS];
161 	char ca_names[OSM_UMAD_MAX_CAS][UMAD_CA_NAME_LEN];
162 	vendor_match_tbl_t mtbl;
163 	umad_port_t umad_port;
164 	pthread_mutex_t cb_mutex;
165 	pthread_mutex_t match_tbl_mutex;
166 	int umad_port_id;
167 	void *receiver;
168 	int issmfd;
169 	char issm_path[256];
170 } osm_vendor_t;
171 
172 #define OSM_BIND_INVALID_HANDLE 0
173 
174 typedef struct _osm_vend_wrap {
175 	int agent;
176 	int size;
177 	int retries;
178 	void *umad;
179 	osm_bind_handle_t h_bind;
180 } osm_vend_wrap_t;
181 
182 END_C_DECLS
183 #endif				/* _OSM_VENDOR_UMAD_H_ */
184