1 /*
2  * Copyright (c) 2013 Mellanox Technologies LTD. All rights reserved.
3  * Copyright (c) 2008 Voltaire, Inc. All rights reserved.
4  * Copyright (c) 2007 The Regents of the University of California.
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_EVENT_PLUGIN_H_
37 #define _OSM_EVENT_PLUGIN_H_
38 
39 #include <time.h>
40 #include <iba/ib_types.h>
41 #include <complib/cl_qlist.h>
42 #include <opensm/osm_config.h>
43 #include <opensm/osm_switch.h>
44 
45 #ifdef __cplusplus
46 #  define BEGIN_C_DECLS extern "C" {
47 #  define END_C_DECLS   }
48 #else				/* !__cplusplus */
49 #  define BEGIN_C_DECLS
50 #  define END_C_DECLS
51 #endif				/* __cplusplus */
52 
53 BEGIN_C_DECLS
54 /****h* OpenSM Event plugin interface
55 * DESCRIPTION
56 *       Database interface to record subnet events
57 *
58 *       Implementations of this object _MUST_ be thread safe.
59 *
60 * AUTHOR
61 *	Ira Weiny, LLNL
62 *
63 *********/
64 
65 #define OSM_EPI_NODE_NAME_LEN (65)
66 
67 struct osm_opensm;
68 /** =========================================================================
69  * Event types
70  */
71 typedef enum {
72 	OSM_EVENT_ID_PORT_ERRORS = 0,
73 	OSM_EVENT_ID_PORT_DATA_COUNTERS,
74 	OSM_EVENT_ID_PORT_SELECT,
75 	OSM_EVENT_ID_TRAP,
76 	OSM_EVENT_ID_SUBNET_UP,
77 	OSM_EVENT_ID_HEAVY_SWEEP_START,
78 	OSM_EVENT_ID_HEAVY_SWEEP_DONE,
79 	OSM_EVENT_ID_UCAST_ROUTING_DONE,
80 	OSM_EVENT_ID_STATE_CHANGE,
81 	OSM_EVENT_ID_SA_DB_DUMPED,
82 	OSM_EVENT_ID_LFT_CHANGE,
83 	OSM_EVENT_ID_MAX
84 } osm_epi_event_id_t;
85 
86 typedef struct osm_epi_port_id {
87 	uint64_t node_guid;
88 	uint8_t port_num;
89 	char node_name[OSM_EPI_NODE_NAME_LEN];
90 } osm_epi_port_id_t;
91 
92 typedef enum {
93 	LFT_CHANGED_LFT_TOP = (1 << 0),
94 	LFT_CHANGED_BLOCK = (1 << 1)
95 } osm_epi_lft_change_flags_t;
96 
97 typedef enum {
98 	UCAST_ROUTING_NONE,
99 	UCAST_ROUTING_HEAVY_SWEEP,
100 	UCAST_ROUTING_REROUTE
101 } osm_epi_ucast_routing_flags_t;
102 
103 typedef struct osm_epi_lft_change_event {
104 	osm_switch_t *p_sw;
105 	osm_epi_lft_change_flags_t flags;
106 	uint16_t lft_top;
107 	uint32_t block_num;
108 } osm_epi_lft_change_event_t;
109 
110 /** =========================================================================
111  * Port error event
112  * OSM_EVENT_ID_PORT_COUNTER
113  * This is a difference from the last reading.  NOT an absolute reading.
114  */
115 typedef struct osm_epi_pe_event {
116 	osm_epi_port_id_t port_id;
117 	uint64_t symbol_err_cnt;
118 	uint64_t link_err_recover;
119 	uint64_t link_downed;
120 	uint64_t rcv_err;
121 	uint64_t rcv_rem_phys_err;
122 	uint64_t rcv_switch_relay_err;
123 	uint64_t xmit_discards;
124 	uint64_t xmit_constraint_err;
125 	uint64_t rcv_constraint_err;
126 	uint64_t link_integrity;
127 	uint64_t buffer_overrun;
128 	uint64_t vl15_dropped;
129 	uint64_t xmit_wait;
130 	time_t time_diff_s;
131 } osm_epi_pe_event_t;
132 
133 /** =========================================================================
134  * Port data counter event
135  * This is a difference from the last reading.  NOT an absolute reading.
136  */
137 typedef struct osm_epi_dc_event {
138 	osm_epi_port_id_t port_id;
139 	uint64_t xmit_data;
140 	uint64_t rcv_data;
141 	uint64_t xmit_pkts;
142 	uint64_t rcv_pkts;
143 	uint64_t unicast_xmit_pkts;
144 	uint64_t unicast_rcv_pkts;
145 	uint64_t multicast_xmit_pkts;
146 	uint64_t multicast_rcv_pkts;
147 	time_t time_diff_s;
148 } osm_epi_dc_event_t;
149 
150 /** =========================================================================
151  * Port select event
152  * This is a difference from the last reading.  NOT an absolute reading.
153  */
154 typedef struct osm_api_ps_event {
155 	osm_epi_port_id_t port_id;
156 	uint64_t xmit_wait;
157 	time_t time_diff_s;
158 } osm_epi_ps_event_t;
159 
160 /** =========================================================================
161  * Plugin creators should allocate an object of this type
162  *    (named OSM_EVENT_PLUGIN_IMPL_NAME)
163  * The version should be set to OSM_EVENT_PLUGIN_INTERFACE_VER
164  */
165 #define OSM_EVENT_PLUGIN_IMPL_NAME "osm_event_plugin"
166 #define OSM_ORIG_EVENT_PLUGIN_INTERFACE_VER 1
167 #define OSM_EVENT_PLUGIN_INTERFACE_VER 2
168 typedef struct osm_event_plugin {
169 	const char *osm_version;
170 	void *(*create) (struct osm_opensm *osm);
171 	void (*delete) (void *plugin_data);
172 	void (*report) (void *plugin_data, osm_epi_event_id_t event_id,
173 			void *event_data);
174 } osm_event_plugin_t;
175 
176 /** =========================================================================
177  * The plugin structure should be considered opaque
178  */
179 typedef struct osm_epi_plugin {
180 	cl_list_item_t list;
181 	void *handle;
182 	osm_event_plugin_t *impl;
183 	void *plugin_data;
184 	char *plugin_name;
185 } osm_epi_plugin_t;
186 
187 /**
188  * functions
189  */
190 osm_epi_plugin_t *osm_epi_construct(struct osm_opensm *osm, char *plugin_name);
191 void osm_epi_destroy(osm_epi_plugin_t * plugin);
192 
193 /** =========================================================================
194  * Helper functions
195  */
196 static inline void
osm_epi_create_port_id(osm_epi_port_id_t * port_id,uint64_t node_guid,uint8_t port_num,char * node_name)197 osm_epi_create_port_id(osm_epi_port_id_t * port_id, uint64_t node_guid,
198 		       uint8_t port_num, char *node_name)
199 {
200 	port_id->node_guid = node_guid;
201 	port_id->port_num = port_num;
202 	strncpy(port_id->node_name, node_name, OSM_EPI_NODE_NAME_LEN);
203 	port_id->node_name[OSM_EPI_NODE_NAME_LEN - 1] = '\0';
204 }
205 
206 END_C_DECLS
207 #endif				/* _OSM_EVENT_PLUGIN_H_ */
208