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1 /*
2  * Copyright (c) 2007 The Regents of the University of California.
3  * Copyright (c) 2007-2008 Voltaire, Inc. All rights reserved.
4  *
5  * This software is available to you under a choice of one of two
6  * licenses.  You may choose to be licensed under the terms of the GNU
7  * General Public License (GPL) Version 2, available from the file
8  * COPYING in the main directory of this source tree, or the
9  * OpenIB.org BSD license below:
10  *
11  *     Redistribution and use in source and binary forms, with or
12  *     without modification, are permitted provided that the following
13  *     conditions are met:
14  *
15  *      - Redistributions of source code must retain the above
16  *        copyright notice, this list of conditions and the following
17  *        disclaimer.
18  *
19  *      - Redistributions in binary form must reproduce the above
20  *        copyright notice, this list of conditions and the following
21  *        disclaimer in the documentation and/or other materials
22  *        provided with the distribution.
23  *
24  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
25  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
26  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
27  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
28  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
29  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
30  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
31  * SOFTWARE.
32  *
33  */
34
35 #ifndef _OSM_PERFMGR_H_
36 #define _OSM_PERFMGR_H_
37
38 #if HAVE_CONFIG_H
39 #  include <config.h>
40 #endif                          /* HAVE_CONFIG_H */
41
42 #ifdef ENABLE_OSM_PERF_MGR
43
44 #include <iba/ib_types.h>
45 #include <complib/cl_passivelock.h>
46 #include <complib/cl_event.h>
47 #include <complib/cl_timer.h>
48 #include <opensm/osm_subnet.h>
49 #include <opensm/osm_log.h>
50 #include <opensm/osm_perfmgr_db.h>
51 #include <opensm/osm_sm.h>
52 #include <opensm/osm_base.h>
53 #include <opensm/osm_event_plugin.h>
54
55 #ifdef __cplusplus
56 extern "C" {
57 #endif                          /* __cplusplus */
58
59 /****h* OpenSM/PerfMgr
60 * NAME
61 *       PerfMgr
62 *
63 * DESCRIPTION
64 *       Performance manager thread which takes care of polling the fabric for
65 *       Port counters values.
66 *
67 *       The PerfMgr object is thread safe.
68 *
69 * AUTHOR
70 *       Ira Weiny, LLNL
71 *
72 *********/
73
74 #define OSM_PERFMGR_DEFAULT_SWEEP_TIME_S 180
75 #define OSM_PERFMGR_DEFAULT_DUMP_FILE "opensm_port_counters.log"
76 #define OSM_PERFMGR_DEFAULT_MAX_OUTSTANDING_QUERIES 500
77
78 /****s* OpenSM: PerfMgr/osm_perfmgr_state_t */
79 typedef enum {
80         PERFMGR_STATE_DISABLE,
81         PERFMGR_STATE_ENABLED,
82         PERFMGR_STATE_NO_DB
83 } osm_perfmgr_state_t;
84
85 /****s* OpenSM: PerfMgr/osm_perfmgr_sweep_state_t */
86 typedef enum {
87         PERFMGR_SWEEP_SLEEP,
88         PERFMGR_SWEEP_ACTIVE,
89         PERFMGR_SWEEP_SUSPENDED
90 } osm_perfmgr_sweep_state_t;
91
92 /* Redirection information */
93 typedef struct redir {
94         ib_net16_t redir_lid;
95         ib_net32_t redir_qp;
96 } redir_t;
97
98 /* Node to store information about which nodes we are monitoring */
99 typedef struct _monitored_node {
100         cl_map_item_t map_item;
101         struct _monitored_node *next;
102         uint64_t guid;
103         char *name;
104         uint32_t redir_tbl_size;
105         redir_t redir_port[1];  /* redirection on a per port basis */
106 } __monitored_node_t;
107
108 struct osm_opensm;
109 /****s* OpenSM: PerfMgr/osm_perfmgr_t
110 *  This object should be treated as opaque and should
111 *  be manipulated only through the provided functions.
112 */
113 typedef struct osm_perfmgr {
114         cl_event_t sig_sweep;
115         cl_timer_t sweep_timer;
116         struct osm_opensm *osm;
117         osm_subn_t *subn;
118         osm_sm_t *sm;
119         cl_plock_t *lock;
120         osm_log_t *log;
121         osm_mad_pool_t *mad_pool;
122         atomic32_t trans_id;
123         osm_vendor_t *vendor;
124         osm_bind_handle_t bind_handle;
125         cl_disp_reg_handle_t pc_disp_h;
126         osm_perfmgr_state_t state;
127         osm_perfmgr_sweep_state_t sweep_state;
128         uint16_t sweep_time_s;
129         perfmgr_db_t *db;
130         atomic32_t outstanding_queries; /* this along with sig_query */
131         cl_event_t sig_query;   /* will throttle our querys */
132         uint32_t max_outstanding_queries;
133         cl_qmap_t monitored_map;        /* map the nodes we are tracking */
134         __monitored_node_t *remove_list;
135 } osm_perfmgr_t;
136 /*
137 * FIELDS
138 *       subn
139 *             Subnet object for this subnet.
140 *
141 *       log
142 *             Pointer to the log object.
143 *
144 *       mad_pool
145 *               Pointer to the MAD pool.
146 *
147 *       mad_ctrl
148 *               Mad Controller
149 *********/
150
151 /****f* OpenSM: Creation Functions */
152 void osm_perfmgr_shutdown(osm_perfmgr_t * const p_perfmgr);
153 void osm_perfmgr_destroy(osm_perfmgr_t * const p_perfmgr);
154
155 /****f* OpenSM: Inline accessor functions */
156 inline static void osm_perfmgr_set_state(osm_perfmgr_t * p_perfmgr,
157                                          osm_perfmgr_state_t state)
158 {
159         p_perfmgr->state = state;
160         if (state == PERFMGR_STATE_ENABLED)
161                 osm_sm_signal(p_perfmgr->sm, OSM_SIGNAL_PERFMGR_SWEEP);
162 }
163
164 inline static osm_perfmgr_state_t osm_perfmgr_get_state(osm_perfmgr_t
165                                                           * p_perfmgr)
166 {
167         return (p_perfmgr->state);
168 }
169
170 inline static char *osm_perfmgr_get_state_str(osm_perfmgr_t * p_perfmgr)
171 {
172         switch (p_perfmgr->state) {
173         case PERFMGR_STATE_DISABLE:
174                 return ("Disabled");
175                 break;
176         case PERFMGR_STATE_ENABLED:
177                 return ("Enabled");
178                 break;
179         case PERFMGR_STATE_NO_DB:
180                 return ("No Database");
181                 break;
182         }
183         return ("UNKNOWN");
184 }
185
186 inline static char *osm_perfmgr_get_sweep_state_str(osm_perfmgr_t * perfmgr)
187 {
188         switch (perfmgr->sweep_state) {
189         case PERFMGR_SWEEP_SLEEP:
190                 return ("Sleeping");
191                 break;
192         case PERFMGR_SWEEP_ACTIVE:
193                 return ("Active");
194                 break;
195         case PERFMGR_SWEEP_SUSPENDED:
196                 return ("Suspended");
197                 break;
198         }
199         return ("UNKNOWN");
200 }
201
202 inline static void osm_perfmgr_set_sweep_time_s(osm_perfmgr_t * p_perfmgr,
203                                                 uint16_t time_s)
204 {
205         p_perfmgr->sweep_time_s = time_s;
206         osm_sm_signal(p_perfmgr->sm, OSM_SIGNAL_PERFMGR_SWEEP);
207 }
208
209 inline static uint16_t osm_perfmgr_get_sweep_time_s(osm_perfmgr_t * p_perfmgr)
210 {
211         return (p_perfmgr->sweep_time_s);
212 }
213
214 void osm_perfmgr_clear_counters(osm_perfmgr_t * p_perfmgr);
215 void osm_perfmgr_dump_counters(osm_perfmgr_t * p_perfmgr,
216                                perfmgr_db_dump_t dump_type);
217 void osm_perfmgr_print_counters(osm_perfmgr_t *pm, char *nodename,
218                                 FILE *fp);
219
220 ib_api_status_t osm_perfmgr_bind(osm_perfmgr_t * const p_perfmgr,
221                                  const ib_net64_t port_guid);
222
223 void osm_perfmgr_process(osm_perfmgr_t * pm);
224
225 /****f* OpenSM: PerfMgr/osm_perfmgr_init */
226 ib_api_status_t osm_perfmgr_init(osm_perfmgr_t * const perfmgr,
227                                  struct osm_opensm *osm,
228                                  const osm_subn_opt_t * const p_opt);
229 /*
230 * PARAMETERS
231 *       perfmgr
232 *               [in] Pointer to an osm_perfmgr_t object to initialize.
233 *
234 *       osm
235 *               [in] Pointer to the OpenSM object.
236 *
237 *       p_opt
238 *               [in] Starting options
239 *
240 * RETURN VALUES
241 *       IB_SUCCESS if the PerfMgr object was initialized successfully.
242 *********/
243
244 #ifdef __cplusplus
245 }
246 #endif                          /* __cplusplus */
247
248 #endif                          /* ENABLE_OSM_PERF_MGR */
249
250 #endif                          /* _OSM_PERFMGR_H_ */