1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Intel SOC Telemetry Driver Header File
4 * Copyright (C) 2015, Intel Corporation.
7 #ifndef INTEL_TELEMETRY_H
8 #define INTEL_TELEMETRY_H
10 #define TELEM_MAX_EVENTS_SRAM 28
11 #define TELEM_MAX_OS_ALLOCATED_EVENTS 20
19 struct telemetry_evtlog {
24 struct telemetry_evtconfig {
25 /* Array of Event-IDs to Enable */
28 /* Number of Events (<29) in evtmap */
35 struct telemetry_evtmap {
40 struct telemetry_unit_config {
41 struct telemetry_evtmap *telem_evts;
52 struct telemetry_plt_config {
53 struct telemetry_unit_config pss_config;
54 struct telemetry_unit_config ioss_config;
55 struct mutex telem_trace_lock;
56 struct mutex telem_lock;
60 struct telemetry_core_ops {
61 int (*get_sampling_period)(u8 *pss_min_period, u8 *pss_max_period,
62 u8 *ioss_min_period, u8 *ioss_max_period);
64 int (*get_eventconfig)(struct telemetry_evtconfig *pss_evtconfig,
65 struct telemetry_evtconfig *ioss_evtconfig,
66 int pss_len, int ioss_len);
68 int (*update_events)(struct telemetry_evtconfig pss_evtconfig,
69 struct telemetry_evtconfig ioss_evtconfig);
71 int (*set_sampling_period)(u8 pss_period, u8 ioss_period);
73 int (*get_trace_verbosity)(enum telemetry_unit telem_unit,
76 int (*set_trace_verbosity)(enum telemetry_unit telem_unit,
79 int (*raw_read_eventlog)(enum telemetry_unit telem_unit,
80 struct telemetry_evtlog *evtlog,
81 int len, int log_all_evts);
83 int (*read_eventlog)(enum telemetry_unit telem_unit,
84 struct telemetry_evtlog *evtlog,
85 int len, int log_all_evts);
87 int (*add_events)(u8 num_pss_evts, u8 num_ioss_evts,
88 u32 *pss_evtmap, u32 *ioss_evtmap);
90 int (*reset_events)(void);
93 int telemetry_set_pltdata(const struct telemetry_core_ops *ops,
94 struct telemetry_plt_config *pltconfig);
96 int telemetry_clear_pltdata(void);
98 int telemetry_pltconfig_valid(void);
100 int telemetry_get_evtname(enum telemetry_unit telem_unit,
101 const char **name, int len);
103 int telemetry_update_events(struct telemetry_evtconfig pss_evtconfig,
104 struct telemetry_evtconfig ioss_evtconfig);
106 int telemetry_add_events(u8 num_pss_evts, u8 num_ioss_evts,
107 u32 *pss_evtmap, u32 *ioss_evtmap);
109 int telemetry_reset_events(void);
111 int telemetry_get_eventconfig(struct telemetry_evtconfig *pss_config,
112 struct telemetry_evtconfig *ioss_config,
113 int pss_len, int ioss_len);
115 int telemetry_read_events(enum telemetry_unit telem_unit,
116 struct telemetry_evtlog *evtlog, int len);
118 int telemetry_raw_read_events(enum telemetry_unit telem_unit,
119 struct telemetry_evtlog *evtlog, int len);
121 int telemetry_read_eventlog(enum telemetry_unit telem_unit,
122 struct telemetry_evtlog *evtlog, int len);
124 int telemetry_raw_read_eventlog(enum telemetry_unit telem_unit,
125 struct telemetry_evtlog *evtlog, int len);
127 int telemetry_get_sampling_period(u8 *pss_min_period, u8 *pss_max_period,
128 u8 *ioss_min_period, u8 *ioss_max_period);
130 int telemetry_set_sampling_period(u8 pss_period, u8 ioss_period);
132 int telemetry_set_trace_verbosity(enum telemetry_unit telem_unit,
135 int telemetry_get_trace_verbosity(enum telemetry_unit telem_unit,
138 #endif /* INTEL_TELEMETRY_H */