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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
#include <linux/platform_data/x86/intel_scu_ipc.h>
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;
u8 ssram_evts_used;
u8 curr_period;
u8 max_period;
u8 min_period;
};
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;
struct intel_pmc_dev *pmc;
struct intel_scu_ipc_dev *scu;
bool telem_in_use;
};
struct telemetry_core_ops {
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 telemetry_set_pltdata(const struct telemetry_core_ops *ops,
struct telemetry_plt_config *pltconfig);
int telemetry_clear_pltdata(void);
struct telemetry_plt_config *telemetry_get_pltdata(void);
int telemetry_get_evtname(enum telemetry_unit telem_unit,
const char **name, int len);
int telemetry_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_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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