148 lines
4 KiB
C
148 lines
4 KiB
C
/*
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* Intel SOC Telemetry Driver Header File
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* Copyright (C) 2015, Intel Corporation.
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* All Rights Reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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*/
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#ifndef INTEL_TELEMETRY_H
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#define INTEL_TELEMETRY_H
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#define TELEM_MAX_EVENTS_SRAM 28
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#define TELEM_MAX_OS_ALLOCATED_EVENTS 20
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enum telemetry_unit {
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TELEM_PSS = 0,
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TELEM_IOSS,
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TELEM_UNIT_NONE
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};
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struct telemetry_evtlog {
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u32 telem_evtid;
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u64 telem_evtlog;
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};
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struct telemetry_evtconfig {
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/* Array of Event-IDs to Enable */
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u32 *evtmap;
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/* Number of Events (<29) in evtmap */
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u8 num_evts;
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/* Sampling period */
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u8 period;
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};
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struct telemetry_evtmap {
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const char *name;
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u32 evt_id;
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};
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struct telemetry_unit_config {
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struct telemetry_evtmap *telem_evts;
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void __iomem *regmap;
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u32 ssram_base_addr;
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u8 ssram_evts_used;
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u8 curr_period;
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u8 max_period;
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u8 min_period;
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u32 ssram_size;
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};
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struct telemetry_plt_config {
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struct telemetry_unit_config pss_config;
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struct telemetry_unit_config ioss_config;
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struct mutex telem_trace_lock;
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struct mutex telem_lock;
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bool telem_in_use;
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};
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struct telemetry_core_ops {
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int (*get_sampling_period)(u8 *pss_min_period, u8 *pss_max_period,
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u8 *ioss_min_period, u8 *ioss_max_period);
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int (*get_eventconfig)(struct telemetry_evtconfig *pss_evtconfig,
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struct telemetry_evtconfig *ioss_evtconfig,
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int pss_len, int ioss_len);
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int (*update_events)(struct telemetry_evtconfig pss_evtconfig,
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struct telemetry_evtconfig ioss_evtconfig);
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int (*set_sampling_period)(u8 pss_period, u8 ioss_period);
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int (*get_trace_verbosity)(enum telemetry_unit telem_unit,
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u32 *verbosity);
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int (*set_trace_verbosity)(enum telemetry_unit telem_unit,
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u32 verbosity);
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int (*raw_read_eventlog)(enum telemetry_unit telem_unit,
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struct telemetry_evtlog *evtlog,
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int len, int log_all_evts);
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int (*read_eventlog)(enum telemetry_unit telem_unit,
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struct telemetry_evtlog *evtlog,
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int len, int log_all_evts);
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int (*add_events)(u8 num_pss_evts, u8 num_ioss_evts,
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u32 *pss_evtmap, u32 *ioss_evtmap);
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int (*reset_events)(void);
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};
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int telemetry_set_pltdata(const struct telemetry_core_ops *ops,
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struct telemetry_plt_config *pltconfig);
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int telemetry_clear_pltdata(void);
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int telemetry_pltconfig_valid(void);
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int telemetry_get_evtname(enum telemetry_unit telem_unit,
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const char **name, int len);
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int telemetry_update_events(struct telemetry_evtconfig pss_evtconfig,
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struct telemetry_evtconfig ioss_evtconfig);
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int telemetry_add_events(u8 num_pss_evts, u8 num_ioss_evts,
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u32 *pss_evtmap, u32 *ioss_evtmap);
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int telemetry_reset_events(void);
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int telemetry_get_eventconfig(struct telemetry_evtconfig *pss_config,
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struct telemetry_evtconfig *ioss_config,
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int pss_len, int ioss_len);
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int telemetry_read_events(enum telemetry_unit telem_unit,
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struct telemetry_evtlog *evtlog, int len);
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int telemetry_raw_read_events(enum telemetry_unit telem_unit,
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struct telemetry_evtlog *evtlog, int len);
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int telemetry_read_eventlog(enum telemetry_unit telem_unit,
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struct telemetry_evtlog *evtlog, int len);
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int telemetry_raw_read_eventlog(enum telemetry_unit telem_unit,
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struct telemetry_evtlog *evtlog, int len);
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int telemetry_get_sampling_period(u8 *pss_min_period, u8 *pss_max_period,
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u8 *ioss_min_period, u8 *ioss_max_period);
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int telemetry_set_sampling_period(u8 pss_period, u8 ioss_period);
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int telemetry_set_trace_verbosity(enum telemetry_unit telem_unit,
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u32 verbosity);
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int telemetry_get_trace_verbosity(enum telemetry_unit telem_unit,
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u32 *verbosity);
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#endif /* INTEL_TELEMETRY_H */
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