diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/include/asm/intel_telemetry.h | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/arch/x86/include/asm/intel_telemetry.h b/arch/x86/include/asm/intel_telemetry.h new file mode 100644 index 000000000000..ed65fe701de5 --- /dev/null +++ b/arch/x86/include/asm/intel_telemetry.h @@ -0,0 +1,147 @@ +/* + * 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 */ |