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/* SPDX-License-Identifier: GPL-2.0-only */ /* * Intel SOC Telemetry Driver Header File * Copyright (C) 2015, Intel Corporation. * All Rights Reserved. */ #ifndef INTEL_TELEMETRY_H #define INTEL_TELEMETRY_H #define TELEM_MAX_EVENTS_SRAM 28 #define TELEM_MAX_OS_ALLOCATED_EVENTS 20 enum telemetry_unit { TELEM_PSS = 0, TELEM_IOSS, TELEM_UNIT_NONE }; struct telemetry_evtlog { u32 telem_evtid; u64 telem_evtlog; }; struct telemetry_evtconfig { /* Array of Event-IDs to Enable */ u32 *evtmap; /* Number of Events (<29) in evtmap */ u8 num_evts; /* Sampling period */ u8 period; }; struct telemetry_evtmap { const char *name; u32 evt_id; }; struct telemetry_unit_config { struct telemetry_evtmap *telem_evts; void __iomem *regmap; u32 ssram_base_addr; u8 ssram_evts_used; u8 curr_period; u8 max_period; u8 min_period; u32 ssram_size; }; struct telemetry_plt_config { struct telemetry_unit_config pss_config; struct telemetry_unit_config ioss_config; struct mutex telem_trace_lock; struct mutex telem_lock; bool telem_in_use; }; struct telemetry_core_ops { int (*get_sampling_period)(u8 *pss_min_period, u8 *pss_max_period, u8 *ioss_min_period, u8 *ioss_max_period); int (*get_eventconfig)(struct telemetry_evtconfig *pss_evtconfig, struct telemetry_evtconfig *ioss_evtconfig, int pss_len, int ioss_len); int (*update_events)(struct telemetry_evtconfig pss_evtconfig, struct telemetry_evtconfig ioss_evtconfig); int (*set_sampling_period)(u8 pss_period, u8 ioss_period); int (*get_trace_verbosity)(enum telemetry_unit telem_unit, u32 *verbosity); int (*set_trace_verbosity)(enum telemetry_unit telem_unit, u32 verbosity); int (*raw_read_eventlog)(enum telemetry_unit telem_unit, struct telemetry_evtlog *evtlog, int len, int log_all_evts); int (*read_eventlog)(enum telemetry_unit telem_unit, struct telemetry_evtlog *evtlog, int len, int log_all_evts); int (*add_events)(u8 num_pss_evts, u8 num_ioss_evts, u32 *pss_evtmap, u32 *ioss_evtmap); int (*reset_events)(void); }; int telemetry_set_pltdata(const struct telemetry_core_ops *ops, struct telemetry_plt_config *pltconfig); int telemetry_clear_pltdata(void); int telemetry_pltconfig_valid(void); int telemetry_get_evtname(enum telemetry_unit telem_unit, const char **name, int len); int telemetry_update_events(struct telemetry_evtconfig pss_evtconfig, struct telemetry_evtconfig ioss_evtconfig); int telemetry_add_events(u8 num_pss_evts, u8 num_ioss_evts, u32 *pss_evtmap, u32 *ioss_evtmap); int telemetry_reset_events(void); int telemetry_get_eventconfig(struct telemetry_evtconfig *pss_config, struct telemetry_evtconfig *ioss_config, int pss_len, int ioss_len); int telemetry_read_events(enum telemetry_unit telem_unit, struct telemetry_evtlog *evtlog, int len); int telemetry_raw_read_events(enum telemetry_unit telem_unit, struct telemetry_evtlog *evtlog, int len); int telemetry_read_eventlog(enum telemetry_unit telem_unit, struct telemetry_evtlog *evtlog, int len); int telemetry_raw_read_eventlog(enum telemetry_unit telem_unit, struct telemetry_evtlog *evtlog, int len); int telemetry_get_sampling_period(u8 *pss_min_period, u8 *pss_max_period, u8 *ioss_min_period, u8 *ioss_max_period); int telemetry_set_sampling_period(u8 pss_period, u8 ioss_period); int telemetry_set_trace_verbosity(enum telemetry_unit telem_unit, u32 verbosity); int telemetry_get_trace_verbosity(enum telemetry_unit telem_unit, u32 *verbosity); #endif /* INTEL_TELEMETRY_H */
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