2 * Intel SOC Telemetry Driver Header File
3 * Copyright (C) 2015, Intel Corporation.
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms and conditions of the GNU General Public License,
8 * version 2, as published by the Free Software Foundation.
10 * This program is distributed in the hope it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
16 #ifndef INTEL_TELEMETRY_H
17 #define INTEL_TELEMETRY_H
19 #define TELEM_MAX_EVENTS_SRAM 28
20 #define TELEM_MAX_OS_ALLOCATED_EVENTS 20
28 struct telemetry_evtlog
{
33 struct telemetry_evtconfig
{
34 /* Array of Event-IDs to Enable */
37 /* Number of Events (<29) in evtmap */
44 struct telemetry_evtmap
{
49 struct telemetry_unit_config
{
50 struct telemetry_evtmap
*telem_evts
;
61 struct telemetry_plt_config
{
62 struct telemetry_unit_config pss_config
;
63 struct telemetry_unit_config ioss_config
;
64 struct mutex telem_trace_lock
;
65 struct mutex telem_lock
;
69 struct telemetry_core_ops
{
70 int (*get_sampling_period
)(u8
*pss_min_period
, u8
*pss_max_period
,
71 u8
*ioss_min_period
, u8
*ioss_max_period
);
73 int (*get_eventconfig
)(struct telemetry_evtconfig
*pss_evtconfig
,
74 struct telemetry_evtconfig
*ioss_evtconfig
,
75 int pss_len
, int ioss_len
);
77 int (*update_events
)(struct telemetry_evtconfig pss_evtconfig
,
78 struct telemetry_evtconfig ioss_evtconfig
);
80 int (*set_sampling_period
)(u8 pss_period
, u8 ioss_period
);
82 int (*get_trace_verbosity
)(enum telemetry_unit telem_unit
,
85 int (*set_trace_verbosity
)(enum telemetry_unit telem_unit
,
88 int (*raw_read_eventlog
)(enum telemetry_unit telem_unit
,
89 struct telemetry_evtlog
*evtlog
,
90 int len
, int log_all_evts
);
92 int (*read_eventlog
)(enum telemetry_unit telem_unit
,
93 struct telemetry_evtlog
*evtlog
,
94 int len
, int log_all_evts
);
96 int (*add_events
)(u8 num_pss_evts
, u8 num_ioss_evts
,
97 u32
*pss_evtmap
, u32
*ioss_evtmap
);
99 int (*reset_events
)(void);
102 int telemetry_set_pltdata(struct telemetry_core_ops
*ops
,
103 struct telemetry_plt_config
*pltconfig
);
105 int telemetry_clear_pltdata(void);
107 int telemetry_pltconfig_valid(void);
109 int telemetry_get_evtname(enum telemetry_unit telem_unit
,
110 const char **name
, int len
);
112 int telemetry_update_events(struct telemetry_evtconfig pss_evtconfig
,
113 struct telemetry_evtconfig ioss_evtconfig
);
115 int telemetry_add_events(u8 num_pss_evts
, u8 num_ioss_evts
,
116 u32
*pss_evtmap
, u32
*ioss_evtmap
);
118 int telemetry_reset_events(void);
120 int telemetry_get_eventconfig(struct telemetry_evtconfig
*pss_config
,
121 struct telemetry_evtconfig
*ioss_config
,
122 int pss_len
, int ioss_len
);
124 int telemetry_read_events(enum telemetry_unit telem_unit
,
125 struct telemetry_evtlog
*evtlog
, int len
);
127 int telemetry_raw_read_events(enum telemetry_unit telem_unit
,
128 struct telemetry_evtlog
*evtlog
, int len
);
130 int telemetry_read_eventlog(enum telemetry_unit telem_unit
,
131 struct telemetry_evtlog
*evtlog
, int len
);
133 int telemetry_raw_read_eventlog(enum telemetry_unit telem_unit
,
134 struct telemetry_evtlog
*evtlog
, int len
);
136 int telemetry_get_sampling_period(u8
*pss_min_period
, u8
*pss_max_period
,
137 u8
*ioss_min_period
, u8
*ioss_max_period
);
139 int telemetry_set_sampling_period(u8 pss_period
, u8 ioss_period
);
141 int telemetry_set_trace_verbosity(enum telemetry_unit telem_unit
,
144 int telemetry_get_trace_verbosity(enum telemetry_unit telem_unit
,
147 #endif /* INTEL_TELEMETRY_H */