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/*
* Intel SOC Telemetry Driver Header File
* Copyright (C) 2015, Intel Corporation.
* All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
*/
#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(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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