1/*
2 * Copyright (c) 2007 The Regents of the University of California.
3 * Copyright (c) 2007-2009 Voltaire, Inc. All rights reserved.
4 * Copyright (c) 2009,2010 HNR Consulting. 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_PERFMGR_H_
37#define _OSM_PERFMGR_H_
38
39#if HAVE_CONFIG_H
40#  include <config.h>
41#endif				/* HAVE_CONFIG_H */
42
43#ifdef ENABLE_OSM_PERF_MGR
44
45#include <iba/ib_types.h>
46#include <complib/cl_passivelock.h>
47#include <complib/cl_event.h>
48#include <complib/cl_timer.h>
49#include <opensm/osm_subnet.h>
50#include <opensm/osm_log.h>
51#include <opensm/osm_perfmgr_db.h>
52#include <opensm/osm_sm.h>
53#include <opensm/osm_base.h>
54#include <opensm/osm_event_plugin.h>
55
56#ifdef __cplusplus
57extern "C" {
58#endif				/* __cplusplus */
59
60/****h* OpenSM/PerfMgr
61* NAME
62*	PerfMgr
63*
64* DESCRIPTION
65*       Performance manager thread which takes care of polling the fabric for
66*       Port counters values.
67*
68*	The PerfMgr object is thread safe.
69*
70* AUTHOR
71*	Ira Weiny, LLNL
72*
73*********/
74
75#define OSM_PERFMGR_DEFAULT_SWEEP_TIME_S 180
76#define OSM_PERFMGR_DEFAULT_DUMP_FILE "opensm_port_counters.log"
77#define OSM_PERFMGR_DEFAULT_MAX_OUTSTANDING_QUERIES 500
78#define OSM_PERFMGR_DEFAULT_XMIT_WAIT_THRESHOLD 0x0000FFFF
79
80/****s* OpenSM: PerfMgr/osm_perfmgr_state_t */
81typedef enum {
82	PERFMGR_STATE_DISABLE,
83	PERFMGR_STATE_ENABLED,
84	PERFMGR_STATE_NO_DB
85} osm_perfmgr_state_t;
86
87/****s* OpenSM: PerfMgr/osm_perfmgr_sweep_state_t */
88typedef enum {
89	PERFMGR_SWEEP_SLEEP,
90	PERFMGR_SWEEP_ACTIVE,
91	PERFMGR_SWEEP_SUSPENDED,
92	PERFMGR_SWEEP_POST_PROCESSING
93} osm_perfmgr_sweep_state_t;
94
95typedef struct monitored_port {
96	uint16_t pkey_ix;
97	ib_net16_t orig_lid;
98	boolean_t redirection;
99	boolean_t valid;
100	/* Redirection fields from ClassPortInfo */
101	ib_gid_t gid;
102	ib_net16_t lid;
103	ib_net16_t pkey;
104	ib_net32_t qp;
105	/* ClassPortInfo fields */
106	boolean_t cpi_valid;
107	ib_net16_t cap_mask;
108	/* Remote end connected to */
109	boolean_t remote_valid;
110	uint64_t remote_guid;
111	char *remote_name;
112	uint8_t remote_port;
113} monitored_port_t;
114
115/* Node to store information about nodes being monitored */
116typedef struct monitored_node {
117	cl_map_item_t map_item;
118	struct monitored_node *next;
119	uint64_t guid;
120	uint8_t node_type;
121	boolean_t esp0;
122	char *name;
123	uint32_t num_ports;
124	monitored_port_t port[1];
125} monitored_node_t;
126
127struct osm_opensm;
128
129/****s* OpenSM: PerfMgr/osm_perfmgr_t
130*  This object should be treated as opaque and should
131*  be manipulated only through the provided functions.
132*/
133typedef struct osm_perfmgr {
134	cl_timer_t sweep_timer;
135	struct osm_opensm *osm;
136	osm_subn_t *subn;
137	osm_sm_t *sm;
138	osm_log_t *log;
139	osm_mad_pool_t *mad_pool;
140	atomic32_t trans_id;
141	osm_vendor_t *vendor;
142	osm_bind_handle_t bind_handle;
143	cl_disp_reg_handle_t pc_disp_h;
144	osm_perfmgr_state_t state;
145	osm_perfmgr_sweep_state_t sweep_state;
146	cl_spinlock_t lock;
147	uint16_t sweep_time_s;
148	perfmgr_db_t *db;
149	atomic32_t outstanding_queries;	/* this along with sig_query */
150	cl_event_t sig_query;	/* will throttle our queries */
151	uint32_t max_outstanding_queries;
152	boolean_t ignore_cas;
153	cl_qmap_t monitored_map;	/* map the nodes being tracked */
154	monitored_node_t *remove_list;
155	ib_net64_t port_guid;
156	int16_t local_port;
157	int rm_nodes;
158	boolean_t query_cpi;
159	boolean_t xmit_wait_log;
160	uint32_t xmit_wait_threshold;
161} osm_perfmgr_t;
162/*
163* FIELDS
164*	subn
165*	      Subnet object for this subnet.
166*
167*	log
168*	      Pointer to the log object.
169*
170*	mad_pool
171*	      Pointer to the MAD pool.
172*
173*	mad_ctrl
174*	      Mad Controller
175*********/
176
177/****f* OpenSM: Creation Functions */
178void osm_perfmgr_shutdown(osm_perfmgr_t * p_perfmgr);
179void osm_perfmgr_destroy(osm_perfmgr_t * p_perfmgr);
180
181/****f* OpenSM: Inline accessor functions */
182inline static void osm_perfmgr_set_state(osm_perfmgr_t * p_perfmgr,
183					 osm_perfmgr_state_t state)
184{
185	p_perfmgr->state = state;
186	if (state == PERFMGR_STATE_ENABLED) {
187		cl_timer_start(&p_perfmgr->sweep_timer, p_perfmgr->sweep_time_s * 1000);
188	} else {
189		cl_timer_stop(&p_perfmgr->sweep_timer);
190	}
191}
192
193inline static osm_perfmgr_state_t osm_perfmgr_get_state(osm_perfmgr_t * perfmgr)
194{
195	return perfmgr->state;
196}
197
198inline static void osm_perfmgr_set_rm_nodes(osm_perfmgr_t *perfmgr,
199					    int rm_nodes)
200{
201	perfmgr->rm_nodes = rm_nodes;
202}
203
204inline static int osm_perfmgr_get_rm_nodes(osm_perfmgr_t *perfmgr)
205{
206	return perfmgr->rm_nodes;
207}
208
209inline static void osm_perfmgr_set_query_cpi(osm_perfmgr_t *perfmgr,
210					    int query_cpi)
211{
212	perfmgr->query_cpi = query_cpi;
213}
214
215inline static int osm_perfmgr_get_query_cpi(osm_perfmgr_t *perfmgr)
216{
217	return perfmgr->query_cpi;
218}
219
220inline static const char *osm_perfmgr_get_state_str(osm_perfmgr_t * p_perfmgr)
221{
222	switch (p_perfmgr->state) {
223	case PERFMGR_STATE_DISABLE:
224		return "Disabled";
225		break;
226	case PERFMGR_STATE_ENABLED:
227		return "Enabled";
228		break;
229	case PERFMGR_STATE_NO_DB:
230		return "No Database";
231		break;
232	}
233	return "UNKNOWN";
234}
235
236inline static const char *osm_perfmgr_get_sweep_state_str(osm_perfmgr_t * perfmgr)
237{
238	switch (perfmgr->sweep_state) {
239	case PERFMGR_SWEEP_SLEEP:
240		return "Sleeping";
241		break;
242	case PERFMGR_SWEEP_ACTIVE:
243		return "Active";
244		break;
245	case PERFMGR_SWEEP_SUSPENDED:
246		return "Suspended";
247		break;
248	case PERFMGR_SWEEP_POST_PROCESSING:
249		return "PostProcessing";
250		break;
251	}
252	return "UNKNOWN";
253}
254
255inline static void osm_perfmgr_set_sweep_time_s(osm_perfmgr_t * p_perfmgr,
256						uint16_t time_s)
257{
258	p_perfmgr->sweep_time_s = time_s;
259	osm_sm_signal(p_perfmgr->sm, OSM_SIGNAL_PERFMGR_SWEEP);
260}
261
262inline static uint16_t osm_perfmgr_get_sweep_time_s(osm_perfmgr_t * p_perfmgr)
263{
264	return p_perfmgr->sweep_time_s;
265}
266
267inline static unsigned osm_perfmgr_delete_inactive(osm_perfmgr_t * pm)
268{
269	unsigned rc;
270	perfmgr_db_delete_inactive(pm->db, &rc);
271	return (rc);
272}
273
274void osm_perfmgr_clear_counters(osm_perfmgr_t * p_perfmgr);
275void osm_perfmgr_dump_counters(osm_perfmgr_t * p_perfmgr,
276			       perfmgr_db_dump_t dump_type);
277void osm_perfmgr_print_counters(osm_perfmgr_t *pm, char *nodename, FILE *fp,
278				char *port, int err_only);
279void osm_perfmgr_update_nodename(osm_perfmgr_t *pm, uint64_t node_guid,
280				char *nodename);
281
282ib_api_status_t osm_perfmgr_bind(osm_perfmgr_t * p_perfmgr,
283				 ib_net64_t port_guid);
284
285void osm_perfmgr_process(osm_perfmgr_t * pm);
286
287/****f* OpenSM: PerfMgr/osm_perfmgr_init */
288ib_api_status_t osm_perfmgr_init(osm_perfmgr_t * perfmgr,
289				 struct osm_opensm *osm,
290				 const osm_subn_opt_t * p_opt);
291/*
292* PARAMETERS
293*	perfmgr
294*		[in] Pointer to an osm_perfmgr_t object to initialize.
295*
296*	osm
297*		[in] Pointer to the OpenSM object.
298*
299*	p_opt
300*		[in] Pointer to the subnet options structure.
301*
302* RETURN VALUES
303*	IB_SUCCESS if the PerfMgr object was initialized successfully.
304*********/
305
306#ifdef __cplusplus
307}
308#endif				/* __cplusplus */
309
310#endif				/* ENABLE_OSM_PERF_MGR */
311
312#endif				/* _OSM_PERFMGR_H_ */
313